Patent Publication Number: US-11644271-B1

Title: Toy gun

Description:
TECHNICAL FIELD 
     The present invention relates to the technical field of toys, in particular to a toy gun. 
     BACKGROUND 
     With the development of society, people&#39;s living standards continue to improve, and toy guns for children are becoming more and more scientific and technological. In order to prevent solid plastic bullets from hurting people, there is a bullet made of water-absorbing resin on the market, referred to as a gel ball, which will gradually absorb water after being put into the water and become spherical, bringing strong elasticity and safety. However, the firing of such gel ball requires a corresponding toy gun. The existing toy guns are more photoelectric, pursuing sound diversity and loveliness, and difficultly fire the gel balls mentioned above, so that the playability is reduced. 
     SUMMARY 
     The objective of the present invention is to provide a toy gun, so as to realize the firing of much safer gel balls and improve the playability. 
     To achieve the above objective, the technical solution adopted by the present invention is as follows: 
     a toy gun includes a gun shell, a driving mechanism, a gear set, an inflatable set and a gun barrel, wherein the inflatable set is arranged in the gun shell in a sliding manner, and the driving mechanism drives the gear set to rotate; 
     the inflatable set includes a cylinder body and a piston, the piston is arranged in the cylinder body in a sliding manner, one end of the cylinder body is fixedly provided with an air nozzle which is inserted at one end of the gun barrel, and the gear set drives the piston to move reciprocally in the cylinder body, and at the same time drives the cylinder body to move reciprocally in the gun shell. 
     Further, an upper side of the gun barrel is provided with a loading hole, and the air nozzle and the loading hole are matched with each other. 
     Further, the driving mechanism includes a power supply, a touch switch and a motor, and the power supply, the touch switch and the motor are electrically connected in series and in sequence. 
     Further, the gear set includes a cylindrical gear, a first transmission gear, a second transmission gear, a third transmission gear and a fourth transmission gear; the motor drives the cylindrical gear to rotate; and the cylindrical gear, the first transmission gear, the second transmission gear, the third transmission gear and the fourth transmission gear are in an engaged transmission in turn. 
     Further, the fourth gear is fixedly provided with a first half gear and a second half gear, a tip diameter of the first half gear is less than that of the second half gear, the cylinder body is fixedly provided with a first rack, the first half gear and the first rack cooperate with each other, the piston is fixedly provided with a second rack, and the second half gear and the second rack cooperate with each other. 
     Further, the gear set further includes a check member and a torsion spring, the check member abuts against a side surface of the first transmission gear by means of the torsion spring, one end of the check member is provided with check teeth, the side surface of the first transmission gear is provided with check grooves, and the check teeth and the check grooves cooperate with each other. 
     Further, the gun shell is internally provided with a smooth bore, the cylinder body is arranged in the smooth bore in a sliding manner, a side wall of the smooth bore is provided with a chute, an outer side of the cylinder body is fixedly provided with a first slider, an outer side of the piston is fixedly provided with a second slider, and the first slider and the second slider are both arranged in the chute in a sliding manner. 
     Further, the inflatable set further includes a push spring, a guide rod and a tension spring; one end of the piston away from the cylinder body is provided with a guide groove, the guide rod and the guide groove cooperate with each other, one end of the guide rod away from the guide groove is fixedly provided with a stopper, one end of the push spring abuts into the guide groove, the other end of the push spring is arranged on the guide rod in a sleeving manner and abuts against the stopper, and the cylinder body abuts against the gun barrel by means of the tension spring. 
     The present invention has the beneficial effect as follows: in the present invention, the driving mechanism drives the gear set to rotate, and the gear set drives the piston to move reciprocally in the cylinder body, so that the piston compresses air in the cylinder body, and high-pressure air is ejected from the air nozzle. After a gel ball is loaded into the gun barrel, since the air nozzle is inserted at one end of the gun barrel, the compressed air ejected from the air nozzle pushes the gel ball out of the gun barrel, thereby realizing the firing of the gel ball. Compared with the toy gun that cannot fire bullets in the traditional art, the present invention improves the playability. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         FIG.  1    is a schematic diagram of an overall structure of the present invention; 
         FIG.  2    is a schematic diagram of an internal structure of the present invention; 
         FIG.  3    is a cross-sectional view of an internal structure of a gun shell in the present invention; 
         FIG.  4    is a schematic structural diagram of a cylindrical gear, a first transmission gear, a check member and a torsion spring in the present invention; 
         FIG.  5    is a schematic structural diagram of a fourth transmission gear, a cylinder body and a piston in the present invention; and 
         FIG.  6    is a schematic structural diagram of a fourth transmission gear driving a piston to extend out of a cylinder body in the present invention. 
     
    
    
     Reference number listing is as follows: 
     gun shell  1 , chute  11 , 
     touch switch  21 , motor  22   
     gear set  3 , cylindrical gear  31 , first transmission gear  32 , check groove  321 , second transmission gear  33 , third transmission gear  34 , fourth transmission gear  35 , first half gear  351 , second half gear  352 , check member  36 , check teeth  361 , torsion spring  37 , 
     inflatable set  4 , cylinder body  41 , air nozzle  411 , air inlet  410 , first slider  412 , first rack  414 , piston  42 , second slider  421 , second rack  422 , guide groove  423 , push spring  43 , guide rod  44 , stopper  441 , tension spring  45 , 
     gun barrel  5 , and loading hole  51 . 
     DETAILED DESCRIPTION 
     The present invention is further described with reference to the drawings. 
     A toy gun as shown in  FIGS.  1  to  6    includes a gun shell  1 , a driving mechanism, a gear set  3 , an inflatable set  4  and a gun barrel  5 , wherein the inflatable set  4  is arranged in the gun shell  1  in a sliding manner, and the driving mechanism drives the gear set  3  to rotate. 
     The driving mechanism includes a power supply, a touch switch  21  and a motor  22 , wherein the power supply, the touch switch  21  and the motor  22  are electrically connected in series and in sequence by means of wires, the power supply is used to supply power to the motor  22 , and the touch switch  21  is used to control the start and stop of the power supply. 
     The gear set  3  includes a cylindrical gear  31 , a first transmission gear  32 , a second transmission gear  33 , a third transmission gear  34 , a fourth transmission gear  35 , a check member  36  and a torsion spring  37 , wherein the motor  22  drives the cylindrical gear  31  to rotate, and the cylindrical gear  31 , the first transmission gear  32 , the second transmission gear  33 , the third transmission gear  34  and the fourth transmission gear  35  are in an engaged transmission in turn. 
     The motor  22  drives the cylindrical gear  31  to rotate at a high speed, the cylindrical gear  31  drives the first transmission gear  32  to rotate to form a first-stage deceleration effect; the first transmission gear  32  drives the second transmission gear  33  to rotate to form a second-stage deceleration effect; the second transmission gear  33  drives the third transmission gear  34  to rotate to form a third-stage deceleration effect; the third transmission gear  34  drives the fourth transmission gear  35  to rotate to form a fourth-stage deceleration effect; and the power from the motor  22  forms a larger torque by means of multi-stage deceleration of the gear set  3 , which is more conducive to driving the operation of the inflatable set  4 . 
     The inflatable set  4  includes a cylinder body  41 , a piston  42 , a push spring  43 , a guide rod  44  and a tension spring  45 , wherein the piston  42  is arranged in the cylinder body  41  in a sliding manner, one end of the cylinder body  41  is fixedly provided with an air nozzle  411  which is inserted at one end of the gun barrel  5 , and the gear set  3  drives the piston  42  to move reciprocally in the cylinder body  41 , and at the same time drives the cylinder body  41  to move reciprocally in the gun shell  1 . 
     The gun shell  1  is internally provided with a smooth bore, the cylinder body  41  is arranged in the smooth bore in a sliding manner, a side wall of the smooth bore is provided with a chute  11 , an outer side of the cylinder body  41  is fixedly provided with a first slider  412 , an outer side of the piston  42  is fixedly provided with a second slider  421 , and the first slider  412  and the second slider  421  are both arranged in the chute  11  in a sliding manner; the cylinder body  41  can slide back and forth in the smoothbore, the first slider  412  is arranged in the chute  11  in a sliding manner, so as to ensure that the sliding of the cylinder body  41  is more stable; at the same time, the piston  42  is arranged in the cylinder body  41  in a sliding manner, and the second slider  421  is arranged in the chute  11  in a sliding manner, so as to ensure that the sliding of the piston  42  is more stable. 
     One end of the piston  42  away from the cylinder body  41  is provided with a guide groove  423 , the guide rod  44  and the guide groove  423  cooperate with each other, one end of the guide rod  44  away from the guide groove  423  is fixedly provided with a stopper  441 , one end of the push spring  43  abuts into the guide groove  423 , the other end of the push spring  43  is arranged on the guide rod  44  in a sleeving manner and abuts against the stopper  441 , and the push spring  43  is compressed between the stopper  441  and the piston  42 , so that the piston  42  is pushed back into the cylinder body  41 ; the cylinder body  41  abuts against the gun barrel  5  by means of the tension spring  45 , one end of the tension spring  45  is fixed inside the gun shell  1 , and the other end of the tension spring  45  is fixed on the cylinder body  41 ; under the action of the tension spring  45 , the cylinder body  41  is pulled toward the gun barrel  5 , so that the air nozzle  411  is completely inserted into the gun barrel  5 . 
     An upper side of the gun barrel  5  is provided with a loading hole  51 , a gel ball is loaded into the gun barrel  5  from the loading hole  51 , the diameter of the gel ball is slightly greater than the inner diameter of the gun barrel  5 , and the air nozzle  411  and the loading hole  51  cooperate with each other; when the air nozzle  411  is completely inserted into the gun barrel  5 , the lower end of the loading hole  51  is completely blocked by the air nozzle  411 . 
     The fourth gear is fixedly provided with a first half gear  351  and a second half gear  352 , a tip diameter of the first half gear  351  is less than that of the second half gear  352 , the cylinder body  41  is fixedly provided with a first rack  414 , the first half gear  351  and the first rack  414  cooperate with each other, the piston  42  is fixedly provided with a second rack  422 , and the second half gear  352  and the second rack  422  cooperate with each other. 
     The first half gear  351  and the first rack  414  are engaged with each other, when the fourth transmission gear  35  rotates, the first half gear  351  and the second half gear  352  are driven at the same time to rotate, the first half gear  351  drives the first rack  414  to move, the first rack  414  drives the cylinder body  41  to move backward along the smoothbore, the cylinder body  41  drives the air nozzle  411  to extend out from the gun barrel  5  until the air nozzle  411  leaves the loading hole  51 , and at this time, the gel ball in the loading hole  51  falls into the gun barrel  5  by means of gravity; when the first half gear  351  rotates half a turn and is disengaged from the first rack  414 , under the action of the tension spring  45 , the cylinder body  41  is pulled toward the gun barrel  5 , and at the same time, the air nozzle  411  is inserted into the gun barrel  5  again and pushes the gel ball falling into the gun barrel  5  forward, so that the gel ball leaves the loading hole  51  and is stuck in the gun barrel  5 . 
     The second gear and the second rack  422  are engaged with each other, when the fourth transmission gear  35  rotates, the first half gear  351  and the second half gear  352  are driven at the same time to rotate, the second half gear  352  drives the second rack  422  to move, the second rack  422  drives the piston  42  to move backward along the cylinder body  41 , air enters the cylinder body  41  from the air nozzle  411 , and a front end of the air nozzle  411  away from the cylinder body  41  is provided with an air inlet  410 , so as to ensure that when the air nozzle  411  abuts against the gel ball, the air can still enter the interior of the cylinder body  41  through the air inlet  410 ; when the second half gear  352  rotates half a turn and is disengaged from the second rack  422 , under the push of the push spring  43 , the piston  42  is pushed toward the cylinder body  41 , so that the air in the cylinder body  41  is compressed, and the compressed air is ejected from the air nozzle  411 , thereby pushing the gel ball forward to achieve the firing of the gel ball. 
     When the fourth transmission gear  35  rotates, the first half gear  351  and the second half gear  352  are driven at the same time to rotate, so that the piston  42  and the cylinder body  41  move backward at the same time; the cylinder body  41  moves backward a shorter distance, which only needs to ensure that the air nozzle  411  pushes the bullet at the loading hole  51  into the gun barrel  5 , while the piston  42  needs to move backward a longer distance, which needs to ensure that sufficient air pressure is generated in the cylinder body  41 ; since the tip diameter of the first half gear  351  is less than that of the second half gear  352 , the distance of the piston  42  moving backward is ensured to be greater than the distance of the cylinder body  41  moving backward according to actual needs. 
     The check member  36  abuts against aside surface of the first transmission gear  32  by means of the torsion spring  37 , one end of the check member  36  is provided with check teeth  361 , the side surface of the first transmission gear  32  is provided with check grooves  321 , and the check teeth  361  and the check grooves  321  are matched with each other; the gear set  3  is used to prevent the first transmission gear  32  from reversing and causing damage to other components; the check member  36  abuts against the side surface of the first transmission gear  32  under the action of the torsion spring  37 , when the first transmission gear  32  rotates forward, the check teeth  361  scrape on the side surface of the first transmission gear  32 , and at the same time scrape on the check grooves  321 ; and when the first transmission gear  32  rotates in reverse, the check teeth  361  are stuck in the check grooves  321 , so as to prevent the first transmission gear  32  from reversing. 
     The working principle of the present invention is as follows: 
     1. the gel ball is loaded into the gun barrel  5  from the loading hole  51 , and the driving mechanism drives the gear set  3  to rotate; 
     2. when the fourth transmission gear  35  rotates, the first half gear  351  and the second half gear  352  are driven at the same time to rotate, the first half gear  351  drives the first rack  414  to move, the first rack  414  drives the cylinder body  41  to move backward along the smoothbore, the cylinder body  41  drives the air nozzle  411  to extend out from the gun barrel  5  until the air nozzle  411  leaves the loading hole  51 , and at this time, the gel ball in the loading hole  51  falls into the gun barrel  5  by means of gravity; when the first half gear  351  rotates half a turn and is disengaged from the first rack  414 , under the action of the tension spring  45 , the cylinder body  41  is pulled toward the gun barrel  5 , and at the same time, the air nozzle  411  is inserted into the gun barrel  5  again and pushes the gel ball falling into the gun barrel  5  forward, so that the gel ball leaves the loading hole  51  and is stuck in the gun barrel  5 ; and 
     3. the second half gear  352  drives the second rack  422  to move, the second rack  422  drives the piston  42  to move backward along the cylinder body  41 , air enters the cylinder body  41  from the air nozzle  411 , and the front end of the air nozzle  411  away from the cylinder body  41  is provided with an air inlet  410 , so as to ensure that when the air nozzle  411  abuts against the gel ball, the air can still enter the interior of the cylinder body  41  through the air inlet  410 ; when the second half gear  352  rotates half a turn and is disengaged from the second rack  422 , under the push of the push spring  43 , the piston  42  is pushed toward the cylinder body  41 , so that the air in the cylinder body  41  is compressed, and the compressed air is ejected from the air nozzle  411 , thereby pushing the gel ball forward to achieve the firing of the gel ball. 
     The present invention can be implemented in many other ways different from those described herein, and a person skilled in the art can make similar modifications without departing from the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.