Patent Description:
The electric motorcycle is one of the electric vehicles, which provides electric power to the electric motor by a battery pack with electricity stored, and then the electric motor drives the rear wheel of the electric motorcycle to rotate, so that the electric motorcycle can run on the ground.

The national standard General Technical Conditions for Electric Motorcycles and Electric Mopeds (hereinafter referred to as the "electric motorcycle standard") was issued on June <NUM>, <NUM> and implemented on January <NUM>, <NUM>. According to this standard, two or three wheeled vehicles with a maximum design speed of greater than <NUM>/h and less than <NUM>/h and driven by electricity are called mopeds or electric motorcycles, and electric motorcycles or mopeds are included in the category of motor vehicles.

The maximum speed of the electric motorcycle is below <NUM>/h. At this speed, the vibration frequency of the electric motorcycle is small, and the requirements for the vehicle body strength and battery endurance are small. However, when the speed of the electric motorcycle is increased to greater than <NUM>/h, the vibration frequency of the electric motorcycle increases, and the requirements for the vehicle body strength and the power storage capacity of the battery are high.

In order to meet the requirements that the speed of the electric motorcycle is greater than <NUM>/h, it is necessary to improve the vehicle body strength of the electric motorcycle and the safety and controllability of the electric motorcycle when it runs at the highest speed.

The object of the disclosure is to provide an electric motorcycle with improved safety when running at a speed of greater than <NUM>/h.

An electric motorcycle includes a frame, a front wheel, a rear wheel, a front suspension, a rear suspension, a steering system, an electric motor, a battery pack, a charging device, a controller, a plurality of seats, a dashboard panel, a front cowling, a plurality of lights, a side box, and a vehicle cover. The battery pack, the controller and the charging device are all disposed on the frame. The battery pack provides electric power for the electric equipment on the electric motorcycle, and the charging device converts the electric energy of the public grid into DC to charge the battery pack. The controller is connected to the electric motor by wires, and the controller controls the electric motor.

According to the invention, the battery pack, the controller and the charging device are arranged in sequence along the height direction of the frame. The battery pack and the charging device are positioned on the frame adjacent to the front wheel. The controller is arranged on the battery pack. The electric motorcycle is more compact and the center of gravity of the electric motorcycle is lower. Therefore, the electric motorcycle can run stably even at a maximum speed of <NUM>/h.

According to the invention, the battery bank comprises a battery and a battery case, the battery is arranged within the battery case. The battery case is connected to the frame. The battery case is connected to the frame to enhance the strength of the frame. The structure of the battery bank on the frame is compact, improving the stability of the electric motorcycle.

Optionally, the frame comprises a front frame adjacent to the front wheel and a rear frame adjacent to the rear wheel, the side of the battery case adjacent to the front wheel is connected to the front frame, and the side of the battery case adjacent to the rear wheel is connected to the rear frame.

Optionally, the side of the battery case adjacent to the front wheel is provided with a first connection seat, a second connection seat and a third connection seat. The side of the battery case adjacent to the rear frame is provided with a fourth connection seat and a fifth connection seat. The front frame is connected to the first connection seat, the second connection seat and the third connection seat by shafts. The rear frame is connected to the fourth connection seat and the fifth connection seat by shafts.

Optionally, the battery case comprises a body case and a plurality of side plates which are fixed on the body case by bolts.

Optionally, the side plates are provided with a plurality of ribs. The ribs increase the surface area of the battery case and improve the heat dissipation of the battery bank. At the same time, the strength of the battery case is enhanced, thereby improving the safety of the electric motorcycle.

Optionally, the bottom of the battery case is provided with a plurality of indentations, a cushion block is arranged between two adjacent indentations, the upper end surface of the cushion block is flat with the upper end surface of the indentation.

Optionally, a plurality of holes is arranged on each cushion block.

Optionally, the electric motorcycle is provided with a cooling air passage for cooling the battery bank. The heat can be quickly dissipated from the battery bank, which can make the working temperature of the battery bank within the preset range and reduce the electricity loss of battery bank when the electric motorcycle is running at high speed, thereby ensuring the safety and endurance of the electric motorcycle.

Optionally, the cooling air passage is a passage formed around the battery bank and the space between the vehicle cover and the battery bank.

Optionally, the frame is provided with a water-cooling device, which includes a water tank, a water pump connected to the water tank by a pipe and a cooling pipe connected to the water pump. The cooling pipe is arranged on the battery bank, and the cooling pipe is connected to a return pipe, the return pipe is connected to the water tank. The battery bank can keep running at low temperature to improve the safety of the electric motorcycle when the electric motorcycle is running at high speed.

Optionally, a plurality of radiating fins is arranged on the side wall of the water tank.

Optionally, the water-cooling device also includes a radiator fan, the radiating fan corresponds to the water tank.

Optionally, the controller is placed at one end of the battery case adjacent to the dashboard panel. The controller can keep running at low temperature to improve the safety of the electric motorcycle when the electric motorcycle is running at high speed.

Optionally, an installation site is arranged on the battery case and a groove is arranged on the installation site, the controller is installed on the installation site and fixed on the battery case by screws.

Optionally, the frame is provided with a water-cooling device, the water-cooling device includes a water tank, a cooling pipe connected to the water tank and a water pump connected to the cooling pipe, and the cooling pipe is at least partially arranged on the controller.

Optionally, the controller is provided with a coolant channel, the coolant channel is provided with an inlet and an outlet; a coolant pipe comprises a second branch pipe connected to the inlet of the coolant channel and a third branch pipe connected to the outlet of the coolant channel, and the second branch pipe is connected to a water pump, and the third branch pipe is connected to a water tank.

Optionally, the water-cooling device further comprises a plurality of radiating fans arranged on the frame or the water tank, and the radiating fans corresponds to the water tank.

Optionally, the water-cooling device further comprises an auxiliary water tank arranged on the frame, the auxiliary water tank is connected to the water tank by a pipeline, and the coolant is pumped from the auxiliary water tank into the water tank through negative pressure. The coolant in the auxiliary water tank is automatically replenished to the water tank to maintain the flow of coolant through the controller and maintain the constant heat dissipation performance of the controller.

Optionally, the frame or controller is provided with a cooling fan for cooling the controller. The air inlet of the cooling fan faces toward the rear wheel, and the air outlet of the cooling fan faces toward the controller.

Optionally, the controller is provided with a wire connector. The wire connector is connected to the electric motor by cables.

Optionally, the charging device is arranged on the frame, and the controller is positioned between the charging device and the battery bank.

Optionally, the charging device is provided with a charging connector, and the charging connector faces the seats.

Alternatively, the axis along the length direction of the charging connector is defined as a straight line L1, the line connecting the center point of the front wheel and the center point of the rear wheel is defined as a straight line L2, an angle is defined by a straight line L1 and the straight line L2, and the angle is in the range from <NUM>° to <NUM>°.

Optionally, the charging connector is detachably connected to a sealing plug. The sealing plug is waterproof and dust-proof, protecting the charging connector from leakage, and ensuring the safety of electric motorcycle.

Optionally, the sealing plug includes a sealing plug and a plug cap, on which a connecting rope is arranged, and one end of the connecting rope is connected to the charging connector.

Optionally, a charging port corresponding to the charging connector is arranged on the vehicle cover, and a charging port cover for closing the charging port is connected to the vehicle cover. The charging port cover protects the charging connector, improving the safety of electric motorcycle.

Optionally, the surface of the charging port cover is smoothly incorporated into the surface of the vehicle cover.

Optionally, the charging port cover is connected to the vehicle cover by a locking structure, and the charging port cover is turned and opened towards the dashboard panel. The locking structure includes a connecting rod connected to one side of the charging port cover, a rotating shaft connected to the connecting rod, a torsional spring arranged on the rotating shaft, and a button arranged on the charging port cover. The rotating shaft is rotatably arranged on the vehicle cover, an elastic member is arranged between the button and a bottom plate.

Optionally, a rotating shaft mounting part is arranged on the vehicle cover, and two ends of the rotating shaft is rotatably arranged on the rotating shaft mounting part.

Optionally, a damping member is disposed on the connection between the rotating shaft and the vehicle cover.

Optionally, the charging port cover comprises a cover plate and a bottom plate, a cavity is defined by the cover plate and the bottom plate, a first recess is defined at the end of the cover plate facing the dashboard panel, a second recess is defined at the end of the cover plate facing the seats, the connecting rod is connected to the first recess, and a button is arranged in the second recess.

Optionally, the sealing plug is a part of the charging port cover. The sealing plug is a part of the charging port cover, which can be opened during charging, improving the overall strength of the vehicle.

Optionally, the charging device is provided with a cooling fan, the air inlet of the cooling fan faces the seats, and the air outlet of the cooling fan faces the interior of the charging device.

Optionally, the charging device includes at least two cooling fans, and the two cooling fans are symmetrically arranged on two sides of the charging connector, respectively. The two cooling fans are symmetrically arranged to evenly dissipate the heat from the charging device.

Optionally, the charging device is provided with a plurality of air outlets, which face toward the dashboard panel.

Optionally, the frame is provided with a water-cooling device for cooling the charging device. The water-cooling device includes a water tank, a cooling pipe connected to the water tank and a water pump connected to the cooling pipe. The cooling pipe is partially arranged on the charging device.

Optionally, a plurality of radiating fins are arranged on the side wall of the water tank.

Optionally, the water-cooling device further includes a radiating fan for cooling the water tank arranged on the frame or the water tank.

Optionally, the water-cooling device further comprises an auxiliary water tank arranged on the frame, the auxiliary water tank is connected to the water tank by a pipeline, and the coolant is pumped from the auxiliary water tank into the water tank through negative pressure. The coolant in the auxiliary water tank is automatically replenished to the water tank to maintain the heat dissipation performance of the water-cooling device for the controller.

According to the invention, the rear suspension includes a rear fork and a shock absorber connected to the frame by a shaft, the rear fork is connected to the rear wheel, and the electric motor is arranged on the rear fork. The electric motor then moves synchronously with the rear fork, and the tightness of the timing belt remains unchanged. When the electric motorcycle runs at a speed of <NUM>/h, the safety of the electric motorcycle can be guaranteed.

Optionally, the electric motor is arranged on the end of the rear fork away from the rear wheel.

Optionally, the rear fork includes two symmetrical support plates, and the electric motor is positioned between the two support plates.

Optionally, one end of the rear fork is movably connected to a connecting lugs on the battery case by shafts.

Optionally, the shock absorber includes a telescopic rod and a shock absorption spring sleeved on the telescopic rod. One end of the telescopic rod is connected to the connecting lugs by shafts, and the other end is connected to the rear fork by shafts.

Optionally, the telescopic rod includes a sleeve, a rod body and a joint connected to the rod body. The joint is connected to the connecting lugs by shafts, and the rod body is inserted into the sleeve.

Optionally, the sleeve body is provided with a first stopper, and the rod body is provided with a second stopper. One end of the damping spring is connected to the first stopper, and the other end is connected to the second stopper.

Optionally, the telescopic rod body is provided with an elastic shock pad.

Optionally, the rear fork is fixed with a rear fender by screws, and the rear fender corresponds to the rear wheel.

Optionally, one end of the rear fender is connected to the rear fork, and the other end is suspended in midair; the rear fender portion is folded to form a connection part, and the connection part is connected to the rear fork by screws.

Optionally, the electric motorcycle further includes a steering system, the steering system comprises a steering handle, an electronic-controlled throttle and a switch assembly are arranged on the steering handle, wherein the switch assembly is provided with a first operation area, a second operation area and a third operation area that are able to be operated easily by the thumb, the switch assembly is also provided with a fourth operation area that is able to be operated by the index finger.

Optionally, a cutting plane is made along the thickness direction of the switch assembly, an origin point is defined as the center point of the cavity of the switch assembly on the steering handle, a x-axis is defined as the length direction of the electric motorcycle, and a y-axis is defined as the height direction of the electric motorcycle, and the projection of the first operation area on the cutting plane coordinate system xoy is in the scanning area of -<NUM>- <NUM>°.

Optionally, a cutting plane is made along the thickness direction of the switch assembly, an origin point is defined as the center point of the cavity of the switch assembly on the steering handle, an x-axis is defined as the length direction of the electric motorcycle, and a y-axis is defined as the height direction of the electric motorcycle, and the projection of the second operation area on the cutting plane coordinate system xoy is in the scanning area of <NUM>- <NUM>°.

Optionally, a cutting plane is made along the thickness direction of the switch assembly, an origin point is defined as the center point of the cavity of the switch assembly on the steering handle, an x-axis is defined as the length direction of the electric motorcycle, and a y-axis is defined as the height direction of the electric motorcycle, and the projection of the third operation area on the cutting plane coordinate system xoy is in the scanning area of <NUM>- <NUM>°.

Optionally, a cutting plane is made along the thickness direction of the switch assembly, an origin point is defined as the center point of the cavity of the switch assembly on the steering handle, an x-axis is defined as the length direction of the electric motorcycle, and a y-axis is defined as the height direction of the electric motorcycle, and the projection of the fourth operation area on the cutting plane coordinate system xoy is in the scanning area of <NUM>- <NUM>°.

Optionally, the first operation area is provided with a horn button and a turn signal light button.

Optionally, the first operation area is also provided with a photographing button.

Optionally, the second operation area is provided with a power assisted pushing button and a shift button.

Optionally, the third operation area is provided with a multifunction button and a loudspeaker on/off button.

The multifunction button includes a lifting button and a switching button. The lifting button is provided with a concave portion, and the switching button is partially inserted into the concave portion after the switching button moves toward the steering handle.

Optionally, the fourth operation area is provided with a high beam light on/off button.

A front cowling is arranged on the frame, and a windshield is arranged on the front cowling. The windshield is fitted with the front cowling, and the lifting button controls the lifting of the windshield.

Optionally, the middle of the windshield protrudes along the direction of the rear wheel towards the shroud, forming an arched section.

Optionally, the front cowling is provided with a windshield, which is fitted with the windshield, thereby forming a middle projection, and two sides is arranged to the side opposite to the middle projection.

Optionally, the windshield is liftable and arranged on the front cowling.

The side box includes a box body and a box cap. The frame is provided with a rear shroud and/or a center guard plate, and the box body is a part of the rear tail shroud or the center guard. The box body and rear tail shroud is integrated to improve the strength of the whole vehicle and reduce the wind resistance.

Optionally, an accommodating cavity is formed on the box body, an annular bulge is arranged along the circumferential wall of the accommodating cavity, and a locking structure is arranged on the annular bulge.

Optionally, the locking member is provided with a side box locating opening, the locking member is also provided with a locating member opening in communication with the side box locating opening, and a semicircular notch is defined by the side box locating opening and the locating member opening jointly; a drive member drives the locating member to enter the side box locating opening from the side box locating member opening, or enter the side box locating member opening from the side box locating opening.

Optionally, a rear bumper corresponding to the side box is arranged on the side of the frame adjacent to the rear wheel.

Optionally, the rear bumper is provided with a buffer structure.

Optionally, the buffer structure is a rubber pad arranged on the frame.

Optionally, the length of the rear bumper along the width of the motorcycle is greater than the width of the side box.

Optionally, the frame is provided with a rear trunk, which includes a trunk and a trunk cap movably connected to the rear trunk.

Optionally, the rear trunk is provided with a cushion.

Optionally, the frame is provided with a rear seat and a backrest assembly associated with the rear seat.

Optionally, the backrest assembly includes a backrest cushion and a backrest cushion bracket connected to the backrest cushion. The backrest cushion is connected to the backrest cushion bracket, and the backrest cushion bracket is connected to the frame.

Optionally, the backrest cushion bracket may at least include two cushion armrests and a backrest cushion connecting frame arranged on two sides of the backrest cushion bracket. The cushion armrests may be symmetrically arranged on both sides of the backrest cushion, and one end of the cushion armrests is connected to the backrest cushion connecting frame, and the other end is connected to the frame.

Optionally, the backrest cushion may at least include a backrest cushion body and a backrest cushion connecting plate arranged on the backrest cushion body, and the backrest cushion connecting plate is connected to the backrest cushion frame.

Optionally, the front frame is provided with a front bumper adjacent to the front wheels, and the front bumper is a straight bar.

Optionally, the front bumper is provided with a buffer member, which is an elastic structure.

Optionally, the front bumper includes a tube body and a rod body connected to the front frame, a cavity is arranged on the tube body, a second reinforce rod body is inserted into the cavity, and a buffer spring is arranged in the cavity, and one end of the buffer spring is connected to the rod body.

The front frame is provided with a battery bumper for protecting the battery case.

Optionally, the battery bumper includes a first bumper body, a first connector connected to the first bumper body, a second bumper body and a second connector connected to the second bumper body, wherein the first connector and the second connector is connected by screws; the first bumper body is connected to one side of the front frame, and the second bumper body is connected to the other side of the frame.

Optionally, a front bumper is arranged on the front frame, and the front bumper is a bar.

Optionally, the front frame is provided with a connecting block, the front bumper is connected to one side of the connecting block by screws, and the battery bumper is connected to the other side of the connecting block by screws.

Optionally, the front frame is connected to the rear frame by a reinforce bracket, and the charging device is arranged on the reinforce bracket.

Optionally, the controller is arranged between the battery case and the reinforce bracket.

The reinforce bracket comprises two reinforce rods symmetrically arranged and a brace rod connecting the two reinforce rods. each reinforce rod comprises a first reinforce rod body along the length direction of the electric motorcycle, a second reinforce rod body along the height direction of the frame, a bent rod part connecting the first reinforce rod body and the second reinforce rod body, and a connecting rod part connecting the second reinforce rod body, the connecting rod part is connected to the rear frame, and the first reinforce rod body is connected to the front frame.

Optionally, a support scaffold is arranged on the front frame, and a plurality of lights are arranged on the support scaffold.

Optionally, the rear wheel comprises a wheel hub and a pulley arranged on the wheel hub, and the pulley is provided with a hard layer, and the hard layer is a part of the pulley.

Optionally, the thickness of the hard layer is <NUM>µ m-<NUM>µ m.

The disclosure has the following advantages. The battery pack, the controller and the charging device are arranged on the frame adjacent to the front wheel. The electric motorcycle has a compact structure and high structural strength. The wind resistance is smaller and the electric motorcycle is more safely when the electric motorcycle runs at the maximum speed of <NUM>/h.

The battery pack, the controller and the charging device are arranged on the frame adjacent to the front wheel. The center of gravity of the electric motorcycle is adjacent to the front, and the electric motorcycle can run stably even at a maximum speed of <NUM>/h.

The electric motor is positioned on the rear fork, and the electric motor and the rear fork move up and down synchronously, so that there is no speed difference when the timing belt drives, so that the rear wheel and the front wheel can be kept on the same plane, so that the electric motorcycle can reach a speed of <NUM>/h or even more.

For a better understanding of the purpose, technical solutions and advantages of the present disclosure, preferred embodiments of the present disclosure are described and illustrated below. In the following description, the directions of front, rear, left, right, up and down are based on the driver on the electric motorcycle and shown in <FIG>.

<FIG> is a perspective view of the electric motorcycle from the back to the front. <FIG> is another perspective view of the electric motorcycle.

In <FIG> and <FIG>, in some embodiments, an electric motorcycle <NUM> includes a frame <NUM>, a front wheel <NUM>, a rear wheel <NUM>, a plurality of seats <NUM>, a dashboard panel <NUM>, a front suspension <NUM>, a rear suspension <NUM>, a vehicle cover <NUM>, an electric motor <NUM>, a battery pack <NUM>, a controller <NUM>, a charging device <NUM>, a rear side-box assembly <NUM>, a braking system <NUM>, a front cowling <NUM>, and a steering system <NUM>. The battery pack <NUM> and the controller <NUM> are respectively arranged on the frame <NUM>. The battery pack <NUM> supplies electric power for the controller <NUM> and the motor <NUM>. The controller <NUM> controls the electric motor <NUM> to drive the rear wheel <NUM> to rotate. The charging device <NUM> is arranged on the frame <NUM>. The charging device <NUM> is connected to the public supply system by wires, so as to convert the AC from the public supply system into DC to charge the battery pack <NUM>.

In <FIG>, the battery pack <NUM>, the controller <NUM> and the charging device <NUM> are arranged in sequence along the height direction of the frame <NUM>, and the vertical dimension from the charging device <NUM> to the dashboard panel <NUM> is less than the vertical dimension from the battery pack <NUM> to the dashboard panel <NUM>. The battery pack <NUM>, the controller <NUM> and the charging device <NUM> are arranged on the frame <NUM> adjacent to the front wheel <NUM>. The position for placing the battery pack <NUM>, controller <NUM> and charging device <NUM> on the frame corresponds to the position of the fuel tank on the fuel motorcycle. Thus, the electric motorcycle <NUM> is more compact. The center of gravity of electric motorcycle <NUM> is concentrated on the half adjacent to the front wheel <NUM>, and the center of gravity is lower. The electric motorcycle can run stably and safely even at a maximum speed of <NUM>/h. The volume of electric motorcycle <NUM> can be smaller and the wind resistance can be reduced, thereby improve the controllability of electric motorcycle while achieving high endurance.

In <FIG>, the battery pack <NUM> includes a battery <NUM> and a battery case <NUM>. The battery <NUM> is arranged in the battery case <NUM>. The battery case <NUM> is connected to the frame <NUM>. The battery case <NUM> enhances the strength of the frame <NUM> and improves the firmness of the electric motorcycle <NUM>.

In <FIG>, in some embodiments, the battery case <NUM> includes a body case <NUM> and a plurality of side plates <NUM>, which are fixed to the body case <NUM> by screws. The side plates are provided with a plurality of ribs <NUM>. The ribs <NUM> increase the surface area of the battery case <NUM> and improve the heat dissipation of the battery pack <NUM>. At the same time, the strength of the battery case <NUM> is enhanced, thereby improving the safety of the electric motorcycle <NUM>.

In <FIG>, in some embodiments, the bottom of the body case <NUM> is provided with a plurality of indentations <NUM>. In this embodiment, the number of indentations <NUM> is three. A cushion block <NUM> having a plurality of holes is arranged between two adjacent indentations <NUM>. The upper end surface of the cushion block <NUM> is flat with the upper end surface of the indentation <NUM>. The battery <NUM> is arranged in the body case <NUM> and is supported by the indentations <NUM> and the cushion blocks <NUM>.

In <FIG> and <FIG>, the electric motorcycle is provided with a cooling air passage <NUM> for cooling the battery pack <NUM>. A cooling air passage <NUM> is a passage formed around the battery pack <NUM> and a space between the vehicle cover <NUM> and the battery pack <NUM>. The heat can be quickly dissipated from the battery pack <NUM> via the cooling air passage <NUM>, which can make the working temperature of the battery pack within the preset range and reduce the electricity loss of battery pack when the electric motorcycle is running at high speed, thereby ensuring the safety and endurance of the electric motorcycle.

In <FIG>, in other embodiments, the battery pack <NUM> is also be cooled down by a radiator 71a. Water-cooling can make the battery pack <NUM> rapidly cooled down at high temperatures, and the battery pack <NUM> can work normally and efficiently. The radiator 71a includes a water tank 711a, a radiating pipe 712a connected to the water tank 711a, and a water pump 713a in fluid communication with the radiating pipe 712a. The radiating pipe 712a is partially arranged on the battery pack <NUM>. The radiating pipe 712a includes a first branch pipe 7121a, a second branch pipe 7122a and a third branch pipe 7123a. One end of the first branch pipe 7121a is in fluid communication with the outlet of the water tank 711a, and the other end is in fluid communication with the inlet of the water pump 713a. One end of the second branch pipe 7122a is in fluid communication with the outlet of the water pump 713a, and the other end is in fluid communication with the inlet of the battery pack <NUM>. The third branch pipe 7123a is in fluid communication with the outlet of the battery pack <NUM>, and the other end is in fluid communication with the return end of the water tank 711a, and the third branch 7123a is partially fixed on the battery pack <NUM>.

In <FIG>, a plurality of radiating fins 7112a are arranged on the side wall of water tank 711a. The radiating fins 7112a increases the contact area between battery case and air to improve heat dissipation effect.

In <FIG>, the radiator 71a also includes a radiating fan 7113a, which is arranged on one side of the water tank 711a. The fan bracket 7114a is fixed on the water tank 711a by screws, and the radiating fan 7113a is arranged on the fan bracket 7114a. The air inlet of the radiating fan 7113a faces toward the seats <NUM>, and the air outlet of the radiating fan 7113a faces toward the dashboard panel <NUM>. When the radiating fan 7113a works, the air flow generated by the radiating fan 7113a flows towards the water tank 711a, which improves heat dissipation efficiency of the water tank 711a and keeps the coolant in the water tank 711a at a low temperature, thereby improving the cooling efficiency of the coolant for the battery pack <NUM> and further improving the safety of the electric motorcycle <NUM> at high speed.

In <FIG>, the radiator 71a also includes an auxiliary water tank 714a arranged on the frame <NUM>. The auxiliary water tank 714a is in fluid communication with a liquid delivery pipe 7144a, and the liquid delivery pipe 7144a is in fluid communication with the water tank 711a. A negative pressure is formed in the water tank 711a when the volume of the coolant in the water tank 711a decreases. The coolant in the auxiliary water tank 714a can be delivered to the water tank 711a by the liquid delivery pipe via the negative pressure. The auxiliary water tank 714a can keep the coolant content in the water tank 711a unchanged, maintains the cooling performance of the coolant to the battery pack <NUM>, and ensures the safety of the electric motorcycle <NUM> when driving.

In <FIG>, in some embodiments, the controller <NUM> is positioned between the charging device <NUM> and the battery pack <NUM>. The controller is provided with a wire connector, which is connected to the electric motor through cables. The controller <NUM> is arranged on the battery case <NUM>, and the controller <NUM> is positioned at one end of the battery case <NUM> adjacent to the dashboard panel <NUM>. An installation portion <NUM> having a groove is arranged on the battery case <NUM>. The controller is installed in the groove and fixed on the battery case <NUM> by screws.

In <FIG>, in some embodiments, the frame <NUM> is provided with a cooling device 71b for cooling the controller <NUM>. The cooling device 71b includes a cooling box 711b, a coolant pipe 712b in fluid communication with the cooling box 711b, and a pump body 713b in fluid communication with the coolant pipe 712b. The coolant in the coolant pipe 712b is also flows through the controller <NUM>. The coolant pipe 712b includes a first branch pipe 7121b, a second branch pipe 7122b and a third branch pipe 7123b. One end of the first branch pipe 7121b is in fluid communication with the outlet of the cooling box 711b, and the other end is in fluid communication with the inlet of the pump body 713b. One end of the second branch pipe 7122b is in fluid communication with the outlet of the pump body 713b, and the other end is in fluid communication with the inlet of the controller <NUM>. The third branch pipe 7123b is in fluid communication with the outlet of the controller <NUM>, and the other end is in fluid communication with the return end of the cooling box 711b, and the third branch pipe 7123b is partially fixed on the battery pack <NUM>.

In <FIG>, the side wall of the cooling box 711b also includes a plurality of radiating fins 7112b and a radiating fan 7113b. The radiating fan 7113b is used to cooling the cooling box 711b. The radiating fan 7113b and the radiating fins 7112b is arranged on the same side. The radiating fan 7113b is installed on the cooling box 711b by a fan bracket 7114b to cool the cooling box 711b, which improves the heat dissipation efficiency of the radiating fins 7112b. The air inlet of the radiating fan 7113b faces toward the seats <NUM>, and the air outlet of the radiating fan 7113a faces toward the dashboard panel <NUM>. After the radiating fan 7113b is started, the airflow generated flows from the side adjacent to the seats <NUM> to the side far away from the seats <NUM>, so as to avoid hot air blowing directly to the driver.

In <FIG>, the cooling device 71b may further include an auxiliary water tank 714b arranged on the frame <NUM>. The auxiliary water tank 714b is in fluid communication with a liquid delivery pipe 7144b, and the liquid delivery pipe 7144b is in fluid communication with the cooling box 711b. A negative pressure is formed in the cooling box 711b when the amount of coolant in the cooling box 711b decreases. The coolant in the auxiliary water tank 714b is delivered to the cooling box 711b by the liquid delivery pipe under the negative pressure of the cooling box 711b. The auxiliary water tank 714b can keep the coolant content in the cooling box 711b unchanged, maintains the cooling performance of the coolant to the battery pack <NUM>, and ensures the safety of the electric motorcycle <NUM> when driving.

Please continue to refer to <FIG>, in other embodiments, the coolant in the coolant pipe 712b also flows through the battery pack <NUM>.

In <FIG>, in other embodiments, a plurality of cooling fans <NUM> are arranged on the frame <NUM>. The air inlets of the cooling fans <NUM> face toward the rear wheel <NUM>, and the air outlets of the cooling fans <NUM> face toward the front wheel <NUM>. The air from the air outlets blows to the controller <NUM>. The cooling fans <NUM> conduct air-cooling for the controller <NUM>. The air inlet faces toward the rear wheel <NUM>, which makes the air flow towards the front wheel <NUM> to avoid hot air blowing directly to the driver.

In <FIG>, in some embodiments, the charging device <NUM> is arranged on the frame <NUM>, and the charging device <NUM> is positioned on the frame <NUM> adjacent to the seats <NUM>. The charging device <NUM> is provided with a charging connector <NUM>, which faces toward the opposite direction of the front cowling <NUM>. The charging connector <NUM> is positioned on the side of the charging unit <NUM> away from the controller <NUM>, and is positioned on the side of the seats <NUM> toward the dashboard panel <NUM>.

In <FIG>, in some embodiments, the charging device <NUM> is provided with a charging connector <NUM>, the charging connector <NUM> is provided with a charging interface <NUM>, and the opening of the charging interface <NUM> faces toward the seats <NUM>.

In <FIG>, in some embodiments, the axis along the length direction of the charging connector <NUM> is defined as a straight line L1, the line connecting the center point of the front wheel and the center point of the rear wheel is defined as a straight line L2, an angle is defined by a straight line L1 and the straight line L2, and the angle is in the range from <NUM>° to <NUM>°.

In <FIG>, in some embodiments, the charging connector <NUM> is detachably connected to a sealing plug <NUM>. The sealing plug <NUM> includes a plug body <NUM> and a plug cap <NUM>. The plug cap <NUM> is provided with a connecting rope <NUM>, and one end of the connecting rope is connected to the charging connector <NUM> or the plug body <NUM>. The plug body <NUM> is detachably connected to the charging connector <NUM>. The plug cap <NUM> is partially inserted into the plug body <NUM>. The plug cap <NUM> is provided with a ring groove on the side facing the charging connector <NUM>. After the plug cap <NUM> is inserted into the plug body <NUM>, the ring groove covers the side wall of the plug body <NUM>, and the ring groove and the plug body <NUM> extrude each other to form a seal.

In <FIG>, in some embodiments, the vehicle cover <NUM> is provided with a charging port <NUM> corresponding to the charging connector <NUM>. One end of the charging port <NUM> extends toward the charging connector <NUM>, and a shutter <NUM> is arranged on the end of the charging port <NUM>. The middle of the shutter <NUM> is provided with a shutter opening <NUM>, and the position of the shutter opening <NUM> corresponds to the charging connector <NUM>. The shutter <NUM> is provided with at least one water leakage hole <NUM>, and the water leakage hole <NUM> is opened at the lowest point of the shutter <NUM> along the motorcycle height direction.

In <FIG>, in some embodiments, the end face of the charging connector <NUM> facing toward the charging port <NUM> is provided with a plug body <NUM>, and the end face of the plug body <NUM> away from the charging connector <NUM> is at least partially passes through the shutter opening <NUM> along the axis direction of the charging connector <NUM>.

In addition, In <FIG>, in other embodiments, the connection surface between the charging connector <NUM> and the external connector at least partially passes through the shutter opening <NUM> along the axis direction of the charging connector <NUM>.

In <FIG>, in some embodiments, the vehicle cover <NUM> is equipped with a charging port cover mounting part <NUM> corresponding to the charging connector <NUM>. The charging port cover mounting part <NUM> is positioned at the side of the seats <NUM> facing toward the front wheel <NUM>, and the charging port cover mounting part <NUM> is provided with two shaft mounting parts <NUM> extending toward the front.

In <FIG>, in some embodiments, the vehicle cover <NUM> is connected to a charging port cover <NUM> that closes the charging port <NUM>. The end face of the charging port cover <NUM> is smoothly incorporated into the end face of the vehicle cover <NUM>. The locking structure <NUM> is connected to the vehicle cover <NUM>. The charging port cover <NUM> is turned and opened toward the dashboard panel <NUM>. The charging port cover <NUM> is arranged on the charging port cover mounting part <NUM>.

In <FIG>, the locking structure <NUM> includes a connecting rod <NUM>, a rotating shaft <NUM>, a button <NUM> and a torsion spring <NUM>. The connecting rod <NUM> is connected to one side of the charging port cover <NUM>. The rotating shaft <NUM> is connected to the connecting rod <NUM> and is rotatably arranged on the vehicle cover <NUM>. The torsion spring <NUM> is arranged on the rotating shaft <NUM>, and one end of the torsion spring is connected to the connecting rod <NUM>, and the other end is connected to the vehicle cover <NUM>. The lock of the charging port cover <NUM> is released after the button <NUM> is pressed. The connecting rod <NUM> rotates around the rotating shaft <NUM> under the action of the restoring force of the torsion spring <NUM>, and the charging port cover <NUM> opens automatically. The button <NUM> is arranged on the charging port cover <NUM>, and an elastic element <NUM> is arranged between the button <NUM> and the charging port cover <NUM>. In this embodiment, the elastic element <NUM> is a compression spring.

In <FIG>, in some embodiments, the connecting rod <NUM> bents toward the charging connector <NUM>. The connecting rod <NUM> includes a first segment <NUM> connected to the rotating shaft <NUM> and a second segment <NUM> connected to the charging port cover <NUM>. In the rotation plane of the connecting rod <NUM>, the length of the first segment <NUM> is greater than or equal to the distance between the edge of the shutter opening <NUM> adjacent to the front wheel <NUM> and the rotation center of the rotating shaft <NUM>. The second segment <NUM> passes through the shutter opening <NUM> and is connected to the charging port cover <NUM>.

In <FIG>, in some embodiments, two ends of the rotating shaft <NUM> are rotatably arranged on the rotating shaft mounting part <NUM>. A damping member is disposed on the connection between the rotating shaft <NUM> and the vehicle cover <NUM>.

In <FIG>, in some embodiments, the charging port cover <NUM> includes a cover plate <NUM> and a bottom plate <NUM>. A cavity is defined by the cover plate <NUM> and the bottom plate <NUM>. A first recess <NUM> is defined at one end of the bottom plate <NUM> facing toward the dashboard panel <NUM>. A second recess <NUM> is defined at one end of the bottom plate <NUM> facing toward the seats <NUM>. The connecting rod <NUM> is connected to the first recess <NUM>, and the button <NUM> is arranged within the second recess <NUM>.

In <FIG>, in some embodiments, the cover plate <NUM> defines a pressing hole <NUM> for the button <NUM> to pass through. The pressing surface of the button <NUM> is flush with the surface of the cover plate <NUM>, or is sunken from the surface of the cover plate <NUM> to the bottom plate <NUM>. The outer edge of the button <NUM> is provided with a limiting convex ring <NUM>, which is abutted against with the cover plate <NUM> under the thrust of the elastic element <NUM> to prevent dust and impurities from entering into the second concave part <NUM> through the gap between the pressing surface of the button <NUM> and the cover plate <NUM>.

In <FIG>, in some embodiments, the sealing plug 82b is a part of the charging port cover 83b. The sealing plug 82b is separated from the charging connector 81b to facilitate charging when the charging port cover 83b is opened.

In <FIG>, in some embodiments, a plurality of cooling fans <NUM> is arranged on the charging device <NUM>. The air inlet of the cooling fans <NUM> faces toward the seats <NUM>, and the air outlet of the cooling fans <NUM> faces toward the interior of the charging device <NUM>. The charging device <NUM> includes at least two cooling fans <NUM>, and the two cooling fans <NUM> is symmetrically arranged on the charging device <NUM> respective to the line connecting the center point of the front wheel <NUM> and the center point of the rear wheel <NUM>. The charging device <NUM> is provided with a plurality of air outlets <NUM> oriented toward the dashboard panel <NUM>. The cooling fans <NUM> cool down the charging device <NUM> by air to improve the safety of the motorcycle during charging. The air outlet <NUM> faces toward the dashboard panel <NUM> to avoid hot air blowing directly to the driver.

In <FIG>, in other embodiments, the charging device <NUM> is also be cooled down by a water-cooling device 71c. The water-cooling device 71c includes a water tank 711c, a cooling pipe 712c connected to the water tank 711c, and a water pump 713c connected to the cooling pipe 712c. The coolant in the cooling pipe 712c flows through the charging device <NUM>, and the cooling pipe 712c is partially arranged on the charging device <NUM>. The cooling pipe 712c includes a first pipeline 7121c, a second pipe line 7122c and a third pipeline 7123c. One end of the first pipeline 7121c is connected to the outlet of the water tank 711c, and the other end is connected to the inlet of the water pump 713c. One end of the second pipeline 7122c is in fluid communication with the outlet of the water pump 713c, and the other end is in fluid communication with the inlet of the charging device <NUM>. The third pipeline 7123c is in fluid communication with the outlet of the charging device <NUM>, and the other end is in fluid communication with the return end of the water tank 711c, and the third pipeline 7123c is partially fixed on the battery pack <NUM>.

In <FIG>, the side wall of water tank 711c is also provided with a plurality of radiating fins 7112c and a radiating fan 7113c. The radiating fan 7113c is used to cooling the water tank 711c. The radiating fan 7113c and the radiating fins 7112c is arranged on the same side. The radiating fan 7113c is installed on the water tank 711c by a fan bracket 7114c to cool down the water tank 711c, which improves the heat dissipation efficiency of the radiating fins 7112c. The air inlet of the radiating fan 7113c faces toward the seats <NUM>, and the air outlet of the radiating fan 7113a faces toward the dashboard panel <NUM>. After the radiating fan 7113c is started, the airflow generated flows from the side adjacent to the seats <NUM> to the side far away from the seats <NUM>, so as to avoid hot air blowing directly to the driver.

In <FIG>, the water-cooling device 71c also includes an auxiliary water tank 714c arranged on the frame. The auxiliary water tank 714c is fixed on the frame <NUM> or the battery case <NUM>, and is in fluid communication with the water tank 711c through pipelines. The water tank 711c draws coolant from the auxiliary water tank 714c via negative pressure. The coolant in the auxiliary water tank 714c is automatically replenished to the water tank 711c to maintain the heat dissipation performance of the water cooling device 71c to the charging device <NUM>.

In <FIG>, in some embodiments, a cooling device 71d for cooling the electric motor <NUM> and the controller <NUM> is arranged on the electric motorcycle. The cooling device 71d includes a cooling box 711d, a coolant pipe 712d in fluid communication with the cooling box 711d and a water pump 713d in fluid communication with the coolant pipe 712d. The coolant pipe 712d is partially disposed on the battery pack <NUM>. The coolant pipe 712d includes a first branch pipe 7121d, a second branch pipe 7122d, a third branch pipe 7123d and a fourth branch pipe 7124d. One end of the first branch pipe 7121d is in fluid communication with the outlet of the cooling box 711d, and the other end is in fluid communication with the inlet of the water pump 713d. One end of the second branch pipe 7122d is in fluid communication with the outlet of the water pump <NUM>, and the other end is in fluid communication with the inlet of the controller <NUM>. The third branch pipe 7123d is in fluid communication with the outlet of the controller <NUM>, and the other end is in fluid communication with the inlet of the motor <NUM>. One end of the fourth branch pipe 7124d is in fluid communication with the outlet of the electric motor <NUM>, and the other end is in fluid communication with the return end of the cooling box 711d. The fourth branch pipe 7124d is partially fixed on the battery pack <NUM>. In other embodiments, the coolant in the coolant pipe 712d may first flow through the electric motor <NUM>, then flow through the controller <NUM>, and then return to the cooling box 711d.

In <FIG>, the side wall of water tank 711d is also provided with a plurality of radiating fins 7112d and a radiating fan 7113d. The radiating fan 7113d is used to cooling the water tank 711d. The radiating fan 7113d and the radiating fins 7112d are arranged on the same side. The radiating fan 7113b is installed on the cooling box 711d by a fan bracket 7114d to cool the cooling box 711d, which improves the heat dissipation efficiency of the radiating fins 7112d. The air inlet of the radiating fan 7113d faces toward the seats <NUM>, and the air outlet of the radiating fan 7113a faces toward the dashboard panel <NUM>. After the radiating fan 7113d is started, the airflow generated flows from the side adjacent to the seats <NUM> to the side far away from the seats <NUM>, so as to avoid hot air blowing directly to the driver.

In <FIG>, the cooling device 71d also includes an auxiliary water tank 714d arranged on the frame. The auxiliary water tank 714d is fixed on the frame <NUM> or the battery case <NUM>, and is in fluid communication with the cooling box 711d through pipelines. The cooling box 711d draws coolant from the auxiliary water tank <NUM> through negative pressure. The coolant in the auxiliary water tank 714d is automatically replenished to the cooling tank 711d to maintain the heat dissipation performance of the water-cooling device <NUM> to the electric motor <NUM>.

In <FIG>, the auxiliary water tank 714d includes an auxiliary water tank body 7141d, water-adding channel7142d, and an auxiliary water tank cap 7143d. The auxiliary water tank body <NUM> is mounted on the frame <NUM> by bolts. The water-adding channel 7142d is in fluid communication with the auxiliary water tank body 7141d. The water-adding channel 7142d is a curved structure, which is convenient for adding water. The auxiliary water tank cap 7143d is detachably connected to the end of the water-adding channel <NUM> far away from the auxiliary water tank body 7141d to close the auxiliary water tank body 7141d. In this embodiment, the auxiliary water tank cap 7143d and the auxiliary water tank body 7141d is connected by threads. In other embodiments, they are connected to each other with an interference fit or other connection methods. The auxiliary water tank 714d is fixed to the frame <NUM>. In other embodiments, the auxiliary water tank 714d is fixed to the battery case <NUM>. The auxiliary water tank 714d is positioned on one side of the battery case <NUM>, and the cooling box 711d is positioned on the other side of the battery case <NUM>. In other embodiments, the auxiliary water tank 714d and the cooling box 711d is positioned on the same side of the battery case <NUM>. The auxiliary water tank 714d is in fluid communication with the cooling box 711d through a water-replenishing pipe 7144d fixed on the battery case <NUM>. In other embodiments, the water-replenishing pipe 7144d is fixed on the frame <NUM>. The cooling box 711d is provided with a water-replenishing port in fluid communication with the water-replenishing pipe 7144d. The water in the auxiliary water tank 714d will flow into the water tank <NUM> through the water-replenishing pipe 7144d when the water level in the cooling box 711d is below the preset value.

In addition, In <FIG>, in other embodiments, the electric motor <NUM> is also be cooled down by a water-cooling device 71e. The water-cooling device 71e includes a water tank <NUM>, a cooling pipe 712e in fluid communication with the water tank 711e, and a water pump 713e in fluid communication with the cooling pipe 712e. The coolant in the cooling pipe 712e flows through the electric motor <NUM>. The cooling pipe 712e includes a first branch pipe 7121e, a second branch pipe 7122e and a third branch pipe 7123e. One end of the first branch pipe 7121e is in fluid communication with the outlet of the water tank 711e, and the other end is in fluid communication with the inlet of the water pump 713e. One end of the second branch pipe 7122e is in fluid communication with the outlet of the water pump 713e, and the other end is in fluid communication with the inlet of the electric motor <NUM>. The third branch pipe 7123e is in fluid communication with the outlet of the electric motor <NUM>, and the other end is in fluid communication with the return end of the cooling box 711d, and the third branch pipe 7123e is partially fixed on the battery pack <NUM>.

In <FIG>, the side wall of water tank 711e is also be provided with a plurality of radiating fins 7112e and a radiating fan 7113e. The radiating fan 7113e is used to cool the water tank 711e. The radiating fan 7113e and the radiating fins 7112e are arranged on the same side. The radiating fan 7113c is installed on the water tank 711e by a fan bracket 7114e to cool down the water tank 711e, which improves the heat dissipation efficiency of the radiating fins 7112e. The air inlet of the radiating fan 7113e faces toward the seats <NUM>, and the air outlet of the radiating fan 7113a faces toward the dashboard panel <NUM>. After the radiating fan 7113e is started, the airflow generated flows from the side adjacent to the seats <NUM> to the side far away from the seats <NUM>, so as to avoid hot air blowing directly to the driver.

In <FIG>, the water-cooling device 71e also includes an auxiliary water tank 714e fixed on the frame <NUM> or the battery case <NUM>. The auxiliary water tank 714e is in fluid communication with the water tank 711e by a pipeline. The coolant is pumped from the auxiliary water tank 714e into the water tank 711e through negative pressure. The coolant in the auxiliary water tank 714e is automatically replenished to the water tank 711e to maintain the heat dissipation performance of the water-cooling device 71e to the electric motor <NUM>.

In <FIG>, in some embodiments, the frame <NUM> includes a front frame <NUM> adjacent to front wheel <NUM> and rear frame <NUM> adjacent to rear wheel <NUM>.

In <FIG>, in some embodiments, a plurality of front bumpers 241a is mounted on the front frame <NUM>. The number of the front bumpers 241a is greater than or equal to two. Two front bumpers 241a are symmetrically arranged on two sides of the battery housing <NUM>. The front bumpers 241a are straight bar, which reduces the wind resistance of the electric motorcycle at high speed, and improves the controllability and safety of the electric motorcycle. The front bumpers 241a are provided with a buffer member with an elastic structure. In other embodiments, the front bumpers 241a are provided with a hydraulic telescopic rod buffer structure or a pneumatic telescopic rod buffer structure.

In addition, In <FIG>, in other embodiments, each front bumper 241b includes a tube body 2411b and a rod body 2412b connected to the frame <NUM>. A cavity is defined inside the tube body 2411b, and the rod body 2412b is partially inserted into the cavity. A buffer spring 2413b is also inserted into the cavity. One end of the buffer spring 2413b is connected to the rod body 2412b. The buffer member 242b is coupled to the other end of the rod body 2412b.

In <FIG> and <FIG>, in some embodiments, at least two fixing rods <NUM> is mounted on the front frame <NUM>. One end of the fixing rod <NUM> is mounted on the front frame <NUM> by a connector <NUM>, and the other end is connected to the battery case <NUM>. The front bumper 241a is connected to the fixing rod <NUM> by connecting blocks <NUM>, which is a part of the fixing rod <NUM> and symmetrically arranged on two sides of the battery pack <NUM>. Therefore, the pressure from the front bumpers 241a to the battery pack <NUM> can be transferred to the whole frame <NUM> when the front bumpers 241a are impacted.

In <FIG>, in some embodiments, a battery bumper <NUM> for protecting the battery case <NUM> from impacting is mounted on the front frame <NUM>. The battery bumper <NUM> includes a first bumper body 2451a, a first connector 2451b connected to the first bumper body 2451a, a second bumper body 2451c and a second connector 2451d connected to the second bumper body 2451c. The first connector 2451b and the second connector 2451d are staggered and connected by screws. The first bumper body 2451a is connected to one side of the frame, and the second bumper body 2451c is connected to the other side of the frame <NUM>.

In <FIG>, in some embodiments, the front bumper 241a is connected to one side of the connection block <NUM> by screws, and the battery bumper <NUM> is connected to the other side of the connection block <NUM> by screws. The battery bumper <NUM> is arranged between the two connecting blocks <NUM>. The axis of the battery bumper <NUM> is staggered with the axis of the front bumper 241a, which improves the strength between the fixing rods <NUM> and prevents the deformation of the fixing rods <NUM> due to the impact force on the front bumpers 241a.

In <FIG>, in some embodiments, the outer wall of the body case <NUM> is provided with a plurality of connecting lugs <NUM> with a shaft hole <NUM>. The battery case <NUM> is connected to the frame <NUM> by the connecting lugs <NUM>.

In <FIG>, in some embodiments, the side of the battery case <NUM> adjacent to the front wheel <NUM> is connected to the front frame <NUM>, and the side of the battery housing <NUM> adjacent to the rear wheel <NUM> is connected to the rear frame <NUM>. A plurality of connection seats with a shaft hole is arranged on the outer wall of the battery case <NUM>. Further, the connection seats are an arc-shaped bulges formed on the edge of the body case <NUM>, and the shaft hole penetrates the bulge. The body case <NUM> is provided with a first connection seat 624a, a second connection seat 624b, a third connection seat 624c, a fourth connection seat 624d, a fifth connection seat 624e, a sixth connection seat 624f and a seventh connection seat <NUM>. The first connection seat 624a is positioned at the top of the battery case <NUM>. The second connection seat 624b is positioned at the side of the battery case <NUM> facing toward the front wheel <NUM>. The third connection seat 624c is positioned at the side of the battery case <NUM> facing toward the rear wheel <NUM> and at the edge of the battery case <NUM>. The fourth connection seat 624d and the fifth connection seat 624e are both positioned at the side of the battery housing <NUM> toward the rear wheel <NUM>. Two first connection seats 624a, two second connection seats 624b, two third connection seats 624c, two fourth connection seats 624d, two fifth connection seats 624e, two sixth connection seats 624d and two seventh connection seats 624e are symmetrically positioned on the battery case <NUM>. The first connection seats 624a and the second connection seats 624b are connected to the front frame <NUM> with shaft and hole fit. The third connection seats 624c and the fourth connection seats 624d are connected to the rear frame <NUM> with shaft and hole fit. The seventh connection seats <NUM> are connected to the fixing rods <NUM> with shaft and hole fit.

In <FIG> and <FIG>, in some embodiments, the battery case <NUM> is connected to a kickstand <NUM>. The kickstand <NUM> is connected to a middle brace <NUM> and a diagonal brace <NUM>. The kickstand <NUM> includes a bracket <NUM> and a mounting racks <NUM>. The bracket <NUM> is fitted with the bottom surface of the battery case <NUM>. A bending portion connected to the battery case <NUM> was defined by bending the two ends of the bracket <NUM>. The bending portion <NUM> is fitted with the battery case <NUM>. One end of the bracket <NUM> facing toward the rear wheel <NUM> is hinged with the middle brace <NUM>. Two mounting racks <NUM> is respectively mounted on the two sides of battery case <NUM>. The mounting racks <NUM> is extended follow the edge contour of the bending portion <NUM>. One end of the mounting rack is connected to the sixth connection seats 624f of the battery case <NUM>, and the other end is connected to one side surface of the battery case <NUM>. Each mounting rack <NUM> is provided with a diagonal brace fixing part <NUM>, which is arranged obliquely against the side surface of the battery case <NUM>, and the diagonal brace fixing part <NUM> is hinged with the diagonal brace <NUM>.

In <FIG> and <FIG>, in some embodiments, the middle brace <NUM> is connected to the fifth connection seats 624e. The middle brace <NUM> includes two symmetrically arranged support rods <NUM>, one middle deflector rod <NUM> and a first tension spring <NUM>. The support rods <NUM> is arranged below the bracket <NUM>. A reinforcing shaft <NUM> is connected between the support rods <NUM>. The middle deflector rod <NUM> is connected to one of the two support rods <NUM>. A connection rib <NUM> is connected between the support rod <NUM> and the deflector rod <NUM>. One end of the first tension spring <NUM> is connected to the support rod <NUM>, and the other end is connected to the bracket <NUM>.

In <FIG>, in some embodiments, the diagonal brace <NUM> includes a diagonal brace hinge <NUM>, a diagonal brace <NUM>, and a second tension spring <NUM>. The diagonal brace hinge <NUM> is a part of the diagonal brace <NUM>, one end of which is hinged with the diagonal brace fixing part <NUM>. The diagonal brace fixing part <NUM> is inclined outwards, and the diagonal brace hinge <NUM> and the diagonal brace <NUM> is also inclined outwards. One end of the second tension spring <NUM> is connected to the diagonal brace <NUM>, and the other end is connected to the bracket <NUM>.

In <FIG>, the frame <NUM> is also provided with an alarm light mounting seat <NUM>. The alarm lamp mounting base <NUM> is provided with an alarm lamp telescopic rod <NUM>. The alarm lamp 2731a is arranged on the alarm lamp telescopic rod <NUM>.

In <FIG> and <FIG>, the rear suspension <NUM> includes a rear fork <NUM>. The motor is arranged on the rear fork <NUM>. One end of the rear fork <NUM> is connected to the rear wheel <NUM>, and the other end is connected to the electric motor <NUM>. The electric motor <NUM> is arranged at the end away from the rear wheel <NUM>. The electric motor <NUM> is associated with the rear wheel <NUM> through a timing belt <NUM>. The electric motor <NUM> can move synchronously with the rear fork <NUM>, and the tightness of the timing belt <NUM> remains unchanged.

In <FIG>, in some embodiments, the rear fork <NUM> includes two symmetrically arranged support plates <NUM>, and the electric motor <NUM> is arranged between the two support plates <NUM>.

In <FIG> and <FIG>, in some embodiments, the rear fork <NUM> is provided with an electric motor connecting shaft <NUM>. The seventh connection seats <NUM> is arranged on the battery case <NUM>. The rear fork <NUM> is moveably connected to the seventh connection seats <NUM> by the electric motor connecting shaft <NUM>.

In <FIG> and <FIG>, in some embodiments, each support plate <NUM> is provided with a connection chute 3212a at the same position. A rear wheel connecting shaft <NUM> is arranged on the rear wheel <NUM> through a bearing. One end of the rear wheel connecting shaft <NUM> is connected to the connecting chute 3212a on the one support plate <NUM>, and the other end is connected to the connecting chute 3212a on the other support plate <NUM>. One end of the two support plates <NUM> with a connecting chute 3212a is connected by a rear wheel connecting shaft <NUM>, and the other end is connected by a electric motor connecting shaft <NUM>, and the electric motor <NUM> is arranged between two support plates <NUM>.

Each support plate <NUM> includes an electric motor connecting part <NUM> connected to the electric motor connecting shaft <NUM> and a rear wheel connecting part <NUM> connected to the connecting chute 3212a. The electric motor <NUM> is connected to the electric motor connecting part <NUM>. The electric motor <NUM> is positioned between two symmetrically arranged electric motor connecting parts <NUM>. Moreover, the electric motor connecting shaft <NUM> may also connected to the battery case <NUM>. A plurality of connecting lugs are arranged on the battery case <NUM>. The connecting lugs with a shaft hole are projections formed on the edge of the battery case <NUM>, and symmetrically arranged on both sides of the battery case <NUM>. The connecting lugs includes a first connecting lug 625a and a second connecting lug 625b. The electric motor connecting shaft <NUM> is inserted into the shaft hole of the first connecting lug 625a. The rear fork <NUM> is movably connected to the battery case <NUM> with a shaft and hole fit, which improves damping performance.

In <FIG>, in some embodiments, the rear suspension <NUM> also includes a shock absorber <NUM>, which includes a telescopic rod <NUM> and a damping spring <NUM> sleeved on the telescopic rod <NUM>. One end of the telescopic rod <NUM> is connected to the battery case <NUM>, and the other end is connected to the rear fork <NUM>. Two cross beam connecting parts 3211a connected to each other is symmetrically arranged on the two support plates <NUM>. The two cross beam connecting parts 3211a are both connected to the telescopic rod <NUM>. The shock absorber <NUM> includes a telescopic rod <NUM> and a damping spring <NUM>. One end of the telescopic rod <NUM> is connected to the battery case <NUM>, and the other end is connected to the rear fork <NUM>, which can reduce the vibration generated during the movement of the rear fork <NUM> relative to the battery case <NUM> and reduce the vibration generated during the driving of the motorcycle.

In <FIG>, in some embodiments, the telescopic rod <NUM> includes a sleeve <NUM> and a telescopic rod body <NUM>. A cavity 3222a is defined in the sleeve <NUM>. The sleeve <NUM> is connected to the battery case <NUM>. One end of the damping spring <NUM> is connected to the sleeve <NUM>, and the other end of the damping spring <NUM> is connected to the telescopic rod body <NUM>. The telescopic rod body <NUM> is capable of sliding within the cavity 3222a.

In <FIG>, in some embodiments, the telescopic rod body <NUM> is provided with a shock pad 3223a positioned between the telescopic rod body <NUM> and the sleeve <NUM>. The shock pad 3223a can further reduce the speed of the telescopic rod body moving back and forth relative to the sleeve <NUM>.

In <FIG>, in some embodiments, a cavity 3222a is defined at one end of the sleeve <NUM>, and the other end of the sleeve <NUM> is provided with a first spring stopper 3222b. One end of the telescopic rod body <NUM> is moved in the cavity 3222a, and the other end is provided with a second spring stopper 3223b. One end of the damping spring <NUM> is abutted against the first spring stopper 3222b, and the other end is abutted against the second spring stopper 3223b.

In <FIG>, in some embodiments, the shock pad 3223a is connected to the second spring stopper 3223b. The shock pad 3223a and the telescopic rod body <NUM> are positioned on the same side of the second spring stopper 3223b. The second spring stopper 3223b and the shock pad 3223a are both provided with concentrically arranged screw holes. One end of the telescopic rod body <NUM> is capable of sliding back and forth in the cavity 3222a, and the other end is connected to the rear fork <NUM> by the screw hole. The telescopic rod <NUM> is be provided with a flange gasket <NUM>. The flange gasket <NUM> is clamped into the screw hole on the second spring stopper 3223b and the screw hole on the telescopic rod body <NUM>. One end of the telescopic rod body <NUM> is capable of sliding in the cavity 3222a, and the other end is connected to a spring adjusting nut 3223c. The second spring stopper 3223b is provided with a damping limit groove, which is a groove formed on the second spring stopper 3223b. The spring adjusting nut 3223c is clamped into the damping limit groove.

In <FIG> and <FIG>, in some embodiments, one end of the telescopic rod <NUM> is connected to the battery case <NUM>, and the other end is connected to the rear fork <NUM>. The sleeve <NUM> is connected to the battery case <NUM>. The telescopic rod body <NUM> is connected to the rear fork <NUM>. A cavity 3222a is defined at one end of the sleeve <NUM>. The other end of the sleeve <NUM> is provided with a first damping connecting shaft 3222c. The first damping connecting shaft 3222c is sleeved with a first connector 3222d, which is connected to the provided with <NUM>. The first damping connecting shaft 3222c is capable of rotating within the first connector 3222d, and the first damping connecting shaft 3222c is connected to the battery case <NUM>. The first damping connecting shaft 3222c is connected to the second connecting lug 625b.

In <FIG>, in some embodiments, the telescopic rod body <NUM> is connected to the rear fork <NUM>. One end of the telescopic rod body <NUM> is capable of sliding within the cavity 3222a, and the other end of the telescopic rod body <NUM> is provided with a second damping connecting shaft 3223e. The second damping connecting shaft 3223e is rotatably connected to a second joint 3223d. Each of the two support plates <NUM> is provided with a cross beam connecting parts 3211a having a damping rod connecting screw hole. The two cross beam connecting parts 3211a are connected to each other. Two ends of the second damping connecting shaft 3223e are respectively inserted into the two damping rod connecting screw hole of the cross beam connecting part 3211a. The telescopic rod body is rotatably connected to the rear flat by a shaft, thereby increasing the mobility of telescopic rod body.

In <FIG>, in some embodiments, a rear fender <NUM> is arranged on the rear fork <NUM>, the cross section of the rear fender <NUM> is arc-shaped towards the middle, and the rear fender <NUM> covers the rear wheel <NUM>. One end of the rear fender <NUM> is connected to the rear fork <NUM>, and the other end is suspended in midair and covers a part of the rear wheel <NUM>. The middle of the rear fender <NUM> covers the rear wheel <NUM>, and both sides extend towards two sides of the rear wheel <NUM>.

A driven wheel housing <NUM> that covers a driven wheel <NUM> positioned on the rear wheel <NUM> is arranged on the rear fender <NUM>. One end of the rear fender <NUM> is connected to the rear fork <NUM>, and the other end extends along the edge of the rear wheel <NUM> and is arc-shaped. One end of the rear fender <NUM> is arc-shaped and suspended in midair. The other end is folded to form a fender connecting part <NUM>. The cross beam connecting part 3211a on the two symmetrically arranged support plates <NUM> is connected to the fender connecting part <NUM> by screws. The rear fender <NUM> can prevent the mud and water rolled up by the rear wheel <NUM> from splashing onto the driver.

In <FIG> and <FIG>, in some embodiments, the front cowling <NUM> can be detachably arranged on the front strut <NUM>. The middle of the front cowling <NUM> protrudes in the direction of vehicle travel, and both sides bend towards the side opposite to the direction of vehicle travel, thus forming an arc-shaped surface on the front cowling <NUM>. A headlight <NUM>, at least two turn signal lights <NUM>, a windscreen plate <NUM> and an on-board camera <NUM> are mounted on the front strut <NUM>. The headlight <NUM> are arranged on the front cowling <NUM>. Two of the turn signal lights <NUM> are symmetrically arranged on both sides of the headlight <NUM>. The on-board camera <NUM> is arranged below the headlight <NUM>, facing toward the direction of from the rear wheel <NUM> to the front wheel <NUM>. The windscreen plate <NUM> is arranged on the front cowling <NUM>. The contour of the windscreen plate <NUM> is fitted with the contour of the front cowling <NUM>, so that the windscreen plate <NUM> forms an arc-shape similar to the front cowling <NUM>.

In <FIG>, <FIG> and <FIG>, in some embodiments, the contour of the windshield <NUM> is fitted with the contour of the windshield <NUM>, so that the windshield <NUM> protrudes in the direction of vehicle travel, and both sides bend towards the side opposite to the direction of vehicle travel. That is to say, the middle of the windshield <NUM> protrudes along the direction of the rear wheel <NUM> toward the front cowling <NUM>, forming an arched shape.

The windshield <NUM> is arranged on the windshield plate <NUM>, and the windshield plate <NUM> is connected to the windshield <NUM> by a lifting structure <NUM>. The windshield <NUM> can slide up and down on the windshield plate <NUM> driven by the lifting structure <NUM>. The windshield plate <NUM> for mixing the windshield <NUM> increase the strength of the windshield.

In <FIG>, in some embodiments, the lifting structure <NUM> includes a lifting motor <NUM>, a worm gear <NUM>, a worm <NUM> and two connecting frames <NUM>. The output shaft of the lifting motor <NUM> is connected to the worm <NUM>. The worm gear <NUM> is provided with a worm gear drive rod 1542a connected to the connecting frame <NUM>. Two ends of worm gear drive rod 1542a are connected to the connecting frames <NUM>, and the lifting motor <NUM> is arranged between the two connecting frames <NUM>. The power can be transmitted to the worm gear transmission rod 1542a when the output shaft of the lifting motor <NUM> is perpendicular to the worm gear drive rod <NUM>. The cross section of the worm gear drive rod <NUM> is square, and the worm gear drive rod <NUM> is a metal straight rod. The connecting frame <NUM> is provided with a windshield connecting rod 1544a, a rotating rod 1544b and a windshield hinge rod 1544c. One end of the rotating rod 1544b is connected to the worm gear drive rod <NUM>, and the other end is connected to the windshield connecting rod 1544a. The rotating rod 1544b can be driven by the worm gear drive rod <NUM> to rotate. One end of the windshield hinge rod 1544c is rotatably connected to the vehicle head <NUM>, and the other end is rotatably connected to the windshield hinge rod <NUM>. The worm gear drive rod <NUM> can drive the windshield <NUM> to rotate.

In <FIG> and <FIG>, in some embodiments, the steering system <NUM> are associated with the rear suspension <NUM> to control the rotation of the front wheel <NUM>. The steering system includes a steering handle <NUM> and a pair of a grip assemblies <NUM> symmetrically arranged on both sides of the steering handle <NUM>. The driver holds one of the grip assemblies <NUM> in each hand while driving.

In <FIG> and <FIG>, in some embodiments, the grip assembly <NUM> includes a grip switch assembly <NUM> and an electronic-controlled throttle <NUM>. The electronic-controlled throttle <NUM> is a hollow rod body. The electronic-controlled throttle <NUM> is sleeved on the steering handle <NUM>. The output power of the electric motor 50T can be increased by turning electronic-controlled throttle <NUM>. Each grip assembly <NUM> also includes two grip counterbalance blocks <NUM> and a thread insert <NUM>. The electronic-controlled throttle1122 is sleeved on the steering handle <NUM>. The two grip counterbalance block <NUM> are respectively arranged on two ends of the steering handle <NUM>. The grip counterbalance block <NUM> is abutted against the electronic-controlled throttle <NUM>. A through hole is defined at the axial position of the grip counterbalance block <NUM>. The thread insert <NUM> is inserted into the through hole. The thread insert <NUM> is abutted against the grip counterbalance block <NUM>, which is abutted against the electronic-controlled throttle <NUM>, so as to fix the electronic-controlled throttle <NUM> on the steering handle <NUM>. One end of the electronic-controlled throttle <NUM> is connected to the grip counterbalance block <NUM>, and the other end is connected to the switch assembly <NUM>. The electronic-controlled throttle <NUM> is equipped with a grip sleeve <NUM>, which is abutted against the switch assembly <NUM>. The steering handle <NUM> is also provided with a hand-operated brake <NUM>, which is associated with the brake system <NUM>.

An x-axis is defined as the length direction of the electric motorcycle, and a y-axis is defined as the height direction of the electric motorcycle. The projection of the first operation area on a cutting plane coordinate system xoy is in the scanning area of - <NUM>-<NUM>°.

In <FIG>, in some embodiments, the girp assembly <NUM> is provided with a switch assembly <NUM>, and a plurality of buttons are arranged in different areas of the switch assembly <NUM>. The switch assembly <NUM> is provided with a first operation area, a second operation area, a third operation area and a fourth operation area. An x-axis is defined as the length direction of the electric motorcycle, and a y-axis is defined as the height direction of the electric motorcycle. The projection of the first operation area on a cutting plane coordinate system xoy is in the scanning area of -<NUM>-<NUM>°. The projection of the second operation area on a cutting plane coordinate system xoy is in the scanning area of <NUM>- <NUM>°. The projection of the third operation area on a cutting plane coordinate system xoy is in the scanning area of <NUM>- <NUM>°. The projection of the fourth operation area on a cutting plane coordinate system xoy is in the scanning area of <NUM>-<NUM>°.

The first operation area is provided with a horn button 1121a and turn signal light button 1121b. The second operation area is provided with a power assisted pushing button 1121c and a shift button 1121d. The power assisted pushing button 1121c can realize the switching of forward gear and backward gear mainly by controlling the switching of forward and reverse rotation of electric motor <NUM>. The third operation area is provided with a multi-function button, a loudspeaker button <NUM>, and a loudspeaker circular broadcast button 1121j. The fourth operation area is provided with a high and low beam light on/off button <NUM>.

In <FIG> and <FIG>, in some embodiments, the multi-function button includes a lifting button 1121e and a switching button 1121f. The lifting button 1121e is provided with a concave portion. The switching button 1121f is partially inserted into the concave portion after the switching button moves toward the steering handle. The lifting button 1121e is capable of controlling the lifting of the windshield <NUM> when the switching button 1121f is inserted into the concave portion. The lifting button 1121e is capable of controlling the lifting of the alarm light when the switching button 1121f is detached from the concave portion. Alternatively, in other embodiments, the lifting button 1121e is capable of controlling the lifting of the alarm lights when the switching button 1121f is inserted into the concave portion. The buttons with different frequency of use are arranged in different areas, which can increase the convenience of operation and facilitate the driver to remember the positions of buttons with different functions. Windshield can be raised and lowered according to different driving scenarios.

In <FIG> and <FIG>, in some embodiments, the first operation area is also provided with a photographing button 1121i for controlling the on-board camera <NUM>. The on-board camera is configured to capture photos during cruise.

In <FIG> and <FIG>, in some embodiments, the vehicle cover <NUM> covers the most of the electric motorcycle <NUM>. Gaps are defined between various components on the vehicle cover <NUM> to provide air flow to the inner wall of the vehicle cover, thereby cooling various components covered by the vehicle cover <NUM>. The vehicle cover <NUM> includes a side cover <NUM>, a upper cowling <NUM>, a front cowling <NUM>, a battery cover <NUM>, a lower cowling <NUM>, a front fender <NUM>, a front shield <NUM>, a charging device cover <NUM> and a rear fork cover <NUM>. Gaps are defined between various components on the vehicle cover <NUM> to provide air flow to the interior of the vehicle cover, thereby cooling various components covered by the vehicle cover <NUM>. The charging device cover <NUM> covers the charging device <NUM>. The battery cover <NUM> is wrapped on the outside of the battery case <NUM>, and the upper cowling <NUM> is positioned between the charging device cover <NUM> and the battery cover <NUM>. One end of the battery cover <NUM> fits the upper cowling <NUM>, and the other end fits the lower cowling <NUM>. The front shield <NUM> is arranged between the front wheel <NUM> and the power battery <NUM>. The front shield <NUM> is provided with a vent for air. The rear fork cover <NUM> covers the area of the rear suspension <NUM>.

In <FIG>, <FIG> and <FIG>, in some embodiments, the rear fork cover <NUM> is provided with one or more foot pedals <NUM>, and the foot pedals <NUM> are provided with anti-skid grooves. The foot pedals <NUM> include an upper foot pedal <NUM> and a lower foot pedal <NUM>. The upper foot pedal <NUM> is covered with the lower foot pedal <NUM>. The anti-skid groove is arranged on the upper foot pedal <NUM>, and the lower foot pedal <NUM> is connected to the rear fork cover <NUM>.

In <FIG>, <FIG> and <FIG>, in some embodiments, the rear fork cover <NUM> is at least provided with one or more foot pedals <NUM>. The one or more foot pedals <NUM> include a inclined foot pedal <NUM> inclined to the rear fork cover <NUM>. The foot pedal <NUM> is provided with a foot pedal connecting block <NUM>, which is connected to the rear fork cover <NUM>. The rear fork cover <NUM> is provided with a plurality of pedal connecting slots <NUM>, and at least one pedal connecting slot <NUM> has an inclined inner wall. The pedal connecting block <NUM> is closely fitted with the side wall of the pedal connecting slot <NUM>.

The foot pedal connecting block <NUM> and the foot pedal connecting slot <NUM> are both provided with a concentrically arranged foot pedal connecting through hole. The foot pedal connecting shaft <NUM> is inserted into the foot pedal connecting through hole. The foot pedal connecting shaft <NUM> is sleeved with a foot pedal reset member <NUM>. The foot pedal reset part <NUM> is a torsion spring.

In <FIG>, in some embodiments, two rear side-boxes <NUM> arranged on the frame include a box body <NUM> and a box cap <NUM>. The two rear side-boxes <NUM> are respectively arranged at two sides of the electric motorcycle <NUM>. The box body <NUM> and the vehicle cover <NUM> are integrated∘ The frame <NUM> is provided with a rear tail cover/center guard plate, which is a part of the vehicle cover <NUM>. The box body <NUM> is a part of the rear tail cover/center guard plate, and the box body <NUM> and the rear tail cover are integrated. The rear side-box and the vehicle cover are integrated, which can increase the aesthetics and the connection strength of the vehicle cover. The box body <NUM> includes a side-box cap 911a and a side-box liner 911b. The side-box inner 911b is placed inside the side-box cap 911a, and the contour of the he side box inner 911b is fitted with the contour of the side-box cap 911a. The side-box cover <NUM> comprises a side-box top cover 912c, a side-box cover inner plate 912b and a side-box cover cap 912a fitted with each other. The side-box cover inner plate 912b is positioned between the side-box top cover 912c and the side-box cover cap 912a.

In <FIG>, in some embodiments, the box body <NUM> and the box cover <NUM> are movably connected to each other. One end of the box body <NUM> and one end of the box cap <NUM> are hinged by a rear side-box hinge <NUM>, and the other ends are connected by a locking structure <NUM>. The distance from the central point of the rear wheel <NUM> to the rear side -box hinge <NUM> is less than the distance from the central point of the rear wheel <NUM> to the locking structure <NUM>.

In <FIG>, in some embodiments, the box body <NUM> is provided with a box cover puller <NUM>. One end of the box cover puller <NUM> is hinged with the box body <NUM>, and the other end is hinged with the box cover <NUM>. When the box cover <NUM> is opened and turned toward the ground, the box cover puller <NUM> will pull the box cover <NUM>. A rear side-box containing cavity is defined on the box <NUM>. An annular bulge <NUM> is formed along the circumferential wall of the rear side box containing cavity. The side-box cover <NUM> covers the annular bulge <NUM>. The rear side-box hinges <NUM> and the side-box cover puller <NUM> are all arranged on the annular bulge <NUM>. The locking member <NUM> is arranged on the annular bulge <NUM>. The locking member <NUM> includes a drive member <NUM>, a plurality of locking members <NUM>, and a locating member <NUM>.

In <FIG>, in some embodiments, the locating member <NUM> is provided with a side-box locating opening 9143a, and the locking member <NUM> moves back and forth in the side-box locating opening 9143a. The locking members <NUM> are connected to the drive member <NUM> by a locating member connecting piece <NUM>, and the locating member connecting piece <NUM> is arranged around the annular bulge <NUM>. The locating member <NUM> is provided with an opening 9143b connected to the side-box locating opening 9143a. The drive member <NUM> drives the locating member connecting piece <NUM> to move back and forth. A drive member drives the locating member to enter the locating opening 9143a from the locating member opening 9143b, or enter the locating member opening 9143b from the locating opening 9143a. The side-box can be released and opened by the locking members.

In <FIG>, in some embodiments, at least two rear bumpers <NUM> connected to the frame are arranged at two sides of the electric motorcycle <NUM>. Two of the rear bumpers <NUM> are symmetrically arranged at two sides of the electric motorcycle <NUM>. The two rear bumpers <NUM> are connected to each other by a rear bumper connection rod <NUM>. Two ends of the connection rod <NUM> are respectively connected to the two rear bumpers <NUM>. The rear bumpers <NUM> are provided with a rear bumper folding part <NUM>, which is formed by bending the rear bumper <NUM>.

The distance of the rear bumper <NUM> along the width of the motorcycle is greater than the distance of the side box assembly <NUM> along the width of the motorcycle. The shortest distance between the end faces of the two rear bumpers <NUM> is greater than the shortest distance between the end faces of the two side-box assemblies <NUM>. The rear bumper <NUM> is provided with a rear bumper buffer structure. The rear bumper buffer structure is a rear bumper buffer pad <NUM> at the end of the rear bumper <NUM>. The rear bumper buffer pad <NUM> is a rubber pad. The buffer structure arranged on the rear bumper can protect the rear bumper body in case of emergency. The distance between the rear bumpers in a width direction is greater than the distance between the side-boxes, so that the rear bumpers can protect the side boxes.

In <FIG>, in some embodiments, the alarm lamp mounting seat <NUM> is arranged on the rear bumpers <NUM>, and the alarm lamp mounting seat <NUM> is connected to the rear bumper folding part <NUM> on the rear bumper.

In <FIG> and <FIG>, in some embodiments, a trunk assembly <NUM> includes a trunk body <NUM> and a trunk cover <NUM> hinged by a trunk cover hinge <NUM>. A trunk storage chamber for containing articles is defined in the trunk body <NUM>. A trunk boss <NUM> is formed by extending the circumferential wall of the trunk storage chamber toward the axis of the trunk storage chamber. The trunk cover hinge <NUM> is arranged on the trunk boss <NUM>.

In <FIG>, in some embodiments, the trunk cover hinge <NUM> includes an articulated ring sleeve <NUM>. The trunk body <NUM> is provided with a trunk articulated shaft <NUM> on which the articulated ring sleeve <NUM> is sleeved. The trunk cover hinge <NUM> is also connected to the trunk cover <NUM>.

In <FIG> and <FIG>, in some embodiments, the trunk <NUM> is also provided with a trunk clearance lamp <NUM>, which can reflect light. The trunk clearance lamp <NUM> is arranged on the side of the trunk body <NUM>. The trunk <NUM> is also provided with a trunk backrest <NUM> connected to the side of the trunk body <NUM>. The trunk backrest <NUM> is arranged on the side of the trunk <NUM> facing the back of the rider. That is to say, the trunk backrest <NUM> is concave toward the side of the trunk body <NUM>. The side of the trunk <NUM> that contacts the trunk backrest <NUM> is curved. That is to say, the side of the trunk <NUM> that contacts the trunk backrest <NUM> is concave toward the center of the trunk <NUM>.

In <FIG>, in some embodiments, the trunk assembly <NUM> may also be removable to dispose a rear seat <NUM> and a rear seat backrest assembly <NUM>. The rear seat backrest assembly <NUM> includes a backrest cushion <NUM> and a backrest cushion bracket <NUM> connected to the backrest cushion <NUM>. The backrest cushion bracket <NUM> is connected to the frame <NUM>.

In <FIG>, in some embodiments, the backrest cushion bracket <NUM> is connected to the cushion armrest <NUM> and the backrest connecting frame <NUM>, wherein the number of the cushion armrest <NUM> is equal to or greater than two. One end of each cushion armrest <NUM> is connected to the backrest connecting frame <NUM>, and the other end is connected to the rear frame <NUM>. The backrest cushion <NUM> includes the backrest cushion body and the backrest cushion connecting plate 9311a, which is connected to the backrest cushion bracket <NUM>. That is to say, the backrest cushion connecting plate 9311a is connected to the backrest connecting frame <NUM>. One end of the backrest connecting frame <NUM> is connected to the backrest connecting plate 9311a, and the other end is connected to the rear armrest trim cover 9314a.

Claim 1:
An electric motorcycle (<NUM>) comprising:
a frame (<NUM>);
a front wheel (<NUM>);
a rear wheel (<NUM>);
a seat (<NUM>) arranged on the frame (<NUM>);
a vehicle cover (<NUM>) arranged on the frame (<NUM>);
a dashboard panel (<NUM>) arranged on the frame (<NUM>);
a controller (<NUM>);
a suspension system comprising a front suspension (<NUM>) and a rear suspension (<NUM>), the front wheel (<NUM>) being connected to the frame (<NUM>) by the front suspension (<NUM>), and the rear wheel (<NUM>) being connected to the frame (<NUM>) by the rear suspension (<NUM>);
an electric motor (<NUM>), the rear wheel (<NUM>) being connected to the electric motor (<NUM>);
a battery pack (<NUM>) arranged on the frame (<NUM>), the battery pack (<NUM>) being electrically connected to the electric motor (<NUM>); and
a charging device (<NUM>) arranged on the frame (<NUM>) and electrically connected to the battery pack (<NUM>), the charging device (<NUM>) including a charging connector (<NUM>);
wherein the battery pack (<NUM>), the controller (<NUM>) and the charging device (<NUM>) are arranged in sequence along the height direction of the frame (<NUM>), the battery pack (<NUM>) and the charging device (<NUM>) are positioned on the frame (<NUM>) adjacent to the front wheel (<NUM>), and the controller (<NUM>) is arranged on the battery pack (<NUM>);
wherein the rear suspension (<NUM>) comprises a rear fork (<NUM>) and a shock absorber (<NUM>) connected to the frame (<NUM>) by a shaft, the rear fork (<NUM>) is connected to the rear wheel (<NUM>); and the battery pack (<NUM>) comprises a battery (<NUM>) and a battery case (<NUM>), the battery is arranged within the battery case (<NUM>), and the battery case is connected to the frame (<NUM>); characterized in that
the electric motor (<NUM>) is arranged on the rear fork (<NUM>);
the battery case (<NUM>) is configured for enhancing a strength of the frame (<NUM>) and improving a firmness of the electric motorcycle (<NUM>).