Levering device

A levering device includes a coupling block, a gripper, an operating rod, and a constraint sleeve. The coupling block includes a coupling chamber, two guide slots in communication with the coupling chamber, an extension rod, and an axial hole axially cut through the extension rod in communication with the coupling chamber. The operating rod being axially movably inserted through the axial hole into a bearing chamber of a housing of a motor-driven water lifting device to stop against respective one end of a wheel axle of the motor-driven water lifting device. The gripper is attachable to the two guide slots of the coupling block and includes two gripper blocks and two claw bars respectively connected to the gripper blocks. The constraint sleeve is sleeved onto the coupling block to stop the two claw bars in the respective the guide slots.

BACKGROUND OF THE INVENTION

1. Field of the Invention

The present invention relates to contact lens processing technology and more particularly, to a motor-driven water lifting device, which has a water supply pipe disposed at the periphery of the housing of the water lifting device for guiding water through the accommodation chamber in the housing, an air valve mounted in an air inlet hole on the housing of the water lifting device for guiding an external gas such as air, carbon dioxide, hydrogen, oxygen or ozone gas into the accommodation chamber to mix with the intake water so that a bubble water can be produced for cleaning various objects to achieve an optimized cleaning effect.

2. Description of the Related Art

In a conventional motor-based water supply and lifting device, a water supply pipe and a water lifting device are provided at one side of a motor. To ensure smooth rotating of the water-lifting wheel of the water lifting device, axle bearings are used to support the wheel axle of the water-lifting wheel. However, the axle bearings of the conventional water-lifting wheel is packaged inside the water lifting device. When the motor is started up to rotate the wheel axle of the water-lifting wheel, the vanes are rotated with the water-lifting wheel to lift water. The water-lifting wheel, the wheel axle and the axle bearings inside the water lifting device are in a state of high-intensity operation for a long time, which is easy to cause wear and failure of the axle bearings, resulting in unsmooth rotation of the water lifting device and low performance of the motor. However, since the axle bearings are hidden in the depth of the inside of the water lifting device and it is almost impossible to replace the axle bearings, when the bearing of the water purging device fails, it represents the reimbursement of the water motor, and the water lifting device needs to be replaced as a whole, which is quite inconsistent with economic benefits.

Further, the water supply pipe is disposed at the periphery of the housing of the water lifting device, having a water inlet at one end thereof and a water outlet at an opposite end thereof. The water inlet is connected to a water source for guiding water into the inside of the housing of the water lifting device. The water outlet is connected to a water nozzle or water trough for guiding water out of the housing of the water lifting device. When the water outlet is connected to a high-pressure outlet nozzle for cleaning foods, when the water molecules of the output water are not easy to penetrate into the food to clean, and the pesticide, bacteria and toxic substances cannot be effectively removed. Therefore, the present invention specifically redesigns the water supply pipe, so that the water molecules can be fined, and various objects can be cleaned to achieve an optimized cleaning effect.

SUMMARY OF THE INVENTION

It is an object of the present invention to provide a levering device is for use to remove axle bearings from a wheel axle of a motor-driven water lifting device having a housing including an accommodation chamber and comprises a coupling block, a gripper, an operating rod, and a constraint sleeve. The coupling block is attachable to arched bearing holder plates at one side of the housing of the motor-driven water lifting device. The coupling block comprises a coupling chamber for receiving the arched bearing holder plates at one side of the housing, two guide slots cut through a peripheral wall thereof in communication with the coupling chamber and respectively disposed corresponding to channels between the two arched bearing holder plates at one side of the housing, an extension rod axially extended from one side thereof opposite to the accommodation chamber, and an axial hole axially cut through the extension rod in communication with the coupling chamber. The operating rod being axially movably inserted through the axial hole into a bearing chamber of the housing to stop against respective one end of the wheel axle. The gripper being attachable to the two guide slots of the coupling block. The gripper comprising two gripper blocks respectively disposed at two opposite sides relative to the extension rod of the coupling block outside the guide slots and two claw bars respectively connected to the gripper blocks and respectively terminating in a claw for catching the axle bearings. The constraint sleeve being sleeved onto the coupling block to stop the two claw bars in the respective the guide slots.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

Referring toFIG.1, a motor-driven water lifting device generally comprises a motor1, a water lifting device2and a levering device3. The detailed explanation of each component is as follows:

The motor1is used for lifting and delivering water, having one side thereof connected to the water lifting device2.

The water lifting device2comprises a housing21, a water supply pipe22, a water-lifting wheel23and two protective caps24. The detailed explanation of each component of the water lifting device2is as follows:

The housing21defines therein an accommodation chamber210that accommodates the water-lifting wheel23. The housing21is composed of two shells211. The two shells211each comprise an axle hole2101at the center in communication with the accommodation chamber210, two arched bearing holder plates212protruded from an outer surface thereof around the axle hole2101, a bearing chamber2120defined in the outer surface between the two arched bearing holder plates212and disposed in communication with the accommodation chamber210through the axle hole2101, and two channels2122defined between the two arched bearing holder plates212at two opposite sides.

The two protective caps24are respectively fastened to the arched bearing holder plates212of the two shells211of the housing21. The water-lifting wheel23comprises a wheel body231, a plurality of vanes232spaced around the periphery of the wheel body231, a wheel axle233located at the center of the wheel body231and axially extended out of two opposite sides of the wheel body231, and at least one, for example, one axle bearing234mounted on each of the two opposite ends of the wheel axle233and respectively accommodated in the bearing chamber2120in between the two arched bearing holder plates212at each of the two opposite sides of the housing21.

The water supply pipe22is disposed on the periphery of the housing21at one side, comprising a water inlet connection portion221, a water outlet connection portion222, a water inlet2210defined in the water inlet connection portion221for guiding water into the accommodation chamber210, a water outlet2220defined in the water outlet connection portion222for guiding water out of the accommodation chamber210.

The water supply pipe22further comprises an air inlet hole223for supplying an external gas into the accommodation chamber210of the housing21, so that the intake gas can mix with the flowing water in the accommodation chamber210and sufficiently agitated by the water-lifting wheel23to form a bubble water. The external gas can be air, carbon dioxide, hydrogen, oxygen or ozone gas. The water supply pipe22further comprises an air valve224threaded into the air inlet hole223. The air valve224comprises a valve body2241having a gas passage therein (not shown), and a nut2242threaded onto the top end of the valve body2241. Further, a gasket (not shown) is provided between the air valve224and the air inlet hole223to prevent bubble water leakage from the accommodation chamber210. The air valve224is to be connected to an external gas source (not shown) so that an external gas (air, carbon dioxide, hydrogen, oxygen or ozone gas) can be filled into the air valve224.

The above various gas mixed waters are described in the field of application of bubble water as follows: if air or oxygen (O2) is added with water, the bubble water can be applied to the wastewater treatment pressure floating method, generating negative ions or increasing the gas content in the water. If ozone (O3) is added with water, the bubble water can be used for food cleaning, sterilization, disinfection, decomposition of pesticides, semiconductor panel or wafer cleaning. If the carbon dioxide (CO2) is added with water, the bubble water can be applied to seaweed culture, nano calcium carbonate coating, replacing carbon capture and storage. If hydrogen (H2) is added with water, the bubble water can be applied to the oxidation-reduction potential of water with a negative redox value and negative hydrogen ion water.

The levering device3is used to be attached to the arched bearing holder plates212at one of the two opposite sides of the housing21to remove the respective axle bearing234from the wheel axle233. The levering device3comprises a coupling block31, a gripper32, an operating rod33and a constraint sleeve34. The coupling block31is attachable to the arched bearing holder plates212at one side of the housing21, comprising a coupling chamber310for receiving the arched bearing holder plates212at one side of the housing21, two guide slots311cut through the peripheral wall thereof in communication with the coupling chamber310and respectively disposed corresponding to the channels2122between the two arched bearing holder plates212, an extension rod312axially extended from one side thereof opposite to the accommodation chamber210, and an axial hole3120axially cut through the extension rod312in communication with the coupling chamber310. The operating rod33is axially movably inserted through the axial hole3120into the bearing chamber2120to stop against the respective one end of the wheel axle233. The gripper32is attachable to the two guide slots311of the coupling block31, comprising two gripper blocks321respectively disposed at two opposite sides relative to the extension rod312of the coupling block31outside the guide slots311and providing a respective pivot connection portion3211, and two claw bars322respectively pivotally connected to the pivot connection portions3211of the gripper blocks321and respectively terminating in a claw3221for catching the axle bearing234. The constraint sleeve34is sleeved onto the coupling block31to stop the two claw bars322in the respective guide slots311.

As described above, the axle bearings234are respectively mounted on the two opposite ends of the wheel axle233and accommodated in the bearing chambers2120in between the respective arched bearing holder plates212at each of the two opposite sides of the housing21. Further, buckle grooves2121are respectively defined between the axle bearing234and the channels2122for the entering of the claws3221of the gripper32of the levering device3.

Further, an outer thread313and an inner thread341are respectively formed on the outer perimeter of the coupling block31and the inner perimeter of the constraint sleeve34. Further, the operating rod33is detachably mounted in the extension rod312. The extension rod312has a female thread3121spirally extended in the axial hole3120. The operating rod33has male thread331spirally extended spirally extended around the periphery thereof for threading into the female thread3121in the axial hole3120, a push portion332located at one end thereof and movable with the operating rod33into the coupling chamber310in the coupling block31, a head333located at an opposite end thereof, a screw hole3330transversely formed in the head333, and a handle334fastened to the head333. The handle334has a screw rod portion3341for threading into the screw hole3330in the head333so that the handle334can be operated to rotate the head333and the operating rod33. Further, the constraint sleeve34is attached onto the coupling block31by threading the inner thread341of the constraint sleeve34onto the outer thread313of the coupling block31, allowing the constraint sleeve34to be rotated and axially moved relative to the coupling block31.

As described above, the two gripper blocks321of the gripper32of the levering device3are disposed at two opposite sides relative to the extension rod312, and the claw bars322are respectively pivotally connected to the pivot connection portions3211of the gripper blocks321with the claws3221inserted into the respective buckle grooves2121to catch the axle bearing234.

In summary, as illustrated inFIGS.1-12, the invention provides a motor-driven water lifting device, which comprises a motor and a water lifting device connected to the motor. The water lifting device comprises a housing consisting of two shells with an accommodation chamber defined therein, a water-lifting wheel mounted in the accommodation chamber, a water supply pipe disposed at the periphery of the housing and having a water inlet for guiding water into the accommodation chamber and a water outlet for guiding water out of the accommodation chamber, and an air inlet hole located on the water supply pipe for allowing an external gas such as air, carbon dioxide, hydrogen, oxygen or ozone gas to be filled into the accommodation chamber of the housing so that when water is guided through the water inlet into the accommodation chamber, the intake water is agitated by the water-lifting wheel and mixed with the external gas in the accommodation chamber to form a bubble water. The water molecules of the bubble water are finely mixed by mixing with the gas, and the fine bubble water is suitable for cleaning various objects to achieve an optimized cleaning effect.

Further, the fine bubble water can be applied to the cleaning of various fields and various objects, such as: business travel home life, agricultural planting, aquaculture, animal husbandry, industrial equipment cleaning, sewage treatment purposes. Further, as described above, the housing is composed of two shells, each shell comprising an axle hole at the center in communication with the accommodation chamber, two arched bearing holder plates protruded from an outer surface thereof, a bearing chamber defined in the outer surface between the two arched bearing holder plates and two channels defined between the two arched bearing holder plates at two opposite sides. Further, the water-lifting wheel comprises a wheel body, a plurality of vanes spaced around the periphery of the wheel body rotated with the wheel body to lift water out of the accommodation chamber through the water outlet of the water supply pipe, a wheel axle located at the center of said wheel body and axially extended out of two opposite sides of the wheel body and pivotally coupled to the axle holes of the shells of the housing, and a plurality of axle bearings respectively mounted on two opposite ends of the wheel axle and respectively accommodated in the bearing chambers of the housing. This arrangement facilitates removal of the axle bearings for replacement or repair to extend the lifespan of the motor. The design of the air inlet hole of the water lifting device allows an external gas to be filled into the accommodation chamber to mix with the intake water so that a bubble water can be produced for cleaning foods and other various objects. The production of fine bubble water for food cleaning has great business opportunities in the healthy eating market, so the present application is filed for patent to seek patent protection.