CN108757375A - Water pumps and teeth cleaning devices - Google Patents

Abstract

The invention relates to a water pump, comprising: water inlet and outlet assembly and drive assembly. The business turn over water subassembly includes: the water inlet joint is arranged on the bracket; a linear movable channel is arranged in the bracket; the movable channel is respectively connected with the water inlet joint and the water outlet joint; the direction of the water inlet joint is vertical to that of the movable channel, and the direction of the water outlet joint is consistent with that of the movable channel; the drive assembly includes: a pusher, a connecting rod, an eccentric wheel, and a motor; the rotating shaft of the eccentric wheel is vertical to the movable channel; the orientation of the rotating shaft of the motor is consistent with that of the movable channel. Meanwhile, a tooth cleaning device comprising the water pump is also provided. The water outlet device has the advantages that the motor, the movable channel and the water outlet joint which are arranged in a linear structure are utilized, and meanwhile, the water outlet joint is arranged to be perpendicular to the movable channel, so that the water outlet efficiency and the water outlet force are improved, and the width of the whole water pump is reduced.

Description

Water pumps and teeth cleaning devices

technical field

The invention relates to the technical field of tooth cleaning equipment, in particular to a water pump and a tooth cleaning device.

Background technique

The advancement of science and technology has made people's lives more and more convenient. For example, for cleaning teeth, tooth cleaners have been developed. A miniature water pump is arranged in the toothwasher, and the water is pumped through the water pump to realize teeth flushing. Flossers are generally used in conjunction with electric toothbrushes. If the width of the two cannot be reduced as much as possible when combined, it will reduce the grip of the user and reduce the product experience. Therefore, how to compress the width of the flosser is a problem that manufacturers must consider. In addition, how to design the waterway for liquid flow to improve the efficiency and strength of water discharge is also a problem that manufacturers need to consider.

Contents of the invention

Based on this, the present invention provides a water pump, which uses a motor, a movable channel, and a water outlet joint arranged in a linear structure, and at the same time sets the water outlet joint perpendicular to the movable channel, so as to improve the efficiency and power of water outlet, and reduce the width of the entire water pump.

A water pump comprising:

The water inlet and outlet assembly; the water inlet and outlet assembly includes: a bracket, a water inlet joint connected to the bracket, a water outlet joint connected to the bracket, a one-way water inlet piece connected between the water inlet joint and the bracket, and a water outlet connected between the water outlet joint and the bracket One-way water outlet piece; there is a linear movable channel in the bracket; one end of the movable channel is respectively connected to the water inlet joint and the water outlet joint; the water inlet joint and the water outlet joint are arranged perpendicular to each other; the direction of the water inlet joint is perpendicular to the direction of the movable channel, The orientation of the water outlet joint is consistent with the orientation of the movable channel; the one-way water inlet piece is located between the water inlet joint and the movable channel; the one-way water outlet piece is located between the water outlet joint and the movable channel; and

The drive assembly connected to the water inlet and outlet assembly; the drive assembly includes: a pusher with one end pierced in the active channel, a connecting rod connected to the opposite end of the pusher, an eccentric wheel connected to the connecting rod, and a motor connected to the eccentric wheel; the eccentric wheel The rotation axis of the eccentric wheel is perpendicular to the movable channel; the peripheral edge of one side of the eccentric wheel is protruded with convex teeth arranged along the radial direction of the eccentric wheel; the rotating shaft sleeve of the motor is provided with a gear meshing with the convex teeth; the direction of the rotating shaft of the motor is consistent with the direction of the movable channel .

When the above-mentioned water pump is in use, the motor of the drive assembly rotates, and the gears and convex teeth are used to reverse the direction to drive the eccentric wheel to rotate. The eccentric wheel drives the connecting rod to swing, and then drives the pusher to move through the connecting rod. And one end of the pusher is installed in the movable channel of the bracket of the water inlet and outlet assembly, and the action of the pusher is used to repeatedly change the space that the movable channel can accommodate the liquid. The joint is sucked into the active channel, and the liquid entering the active channel is pushed out to the outside by cooperating with the one-way water inlet piece and the one-way water outlet piece. Among them, the direction of the motor, the movable channel, and the water outlet joint are all set to be consistent, and the three form a linear structure, while the water inlet joint is perpendicular to the movable channel, which reduces the resistance when the water is discharged, makes the water discharge more efficient and powerful, and better compresses the entire body. The width of the pump. Through the above design, the motor, the movable channel, and the water outlet joint arranged in a linear structure are used, and the water outlet joint is set perpendicular to the movable channel, so as to improve the efficiency and strength of water outlet, and reduce the width of the entire water pump.

In one of the embodiments, the bracket is provided with a water inlet channel and a water outlet channel; the water inlet channel is perpendicular to the movable channel; the orientation of the water outlet channel is consistent with the orientation of the movable channel; the water inlet channel is connected between the water inlet joint and the movable channel; The water outlet channel is connected between the water outlet joint and the movable channel; the end of the water inlet channel close to the one-way water inlet sheet is provided with a water inlet avoidance groove; the end of the water outlet joint close to the one-way water outlet sheet is provided with a water outlet avoidance groove; the one-way inlet The water sheet is an elastic sheet structure and includes: a first fixed part fixed between the bracket and the water inlet joint and a first movable part connected to the first fixed part; One end of the water sheet; the one-way water outlet sheet is an elastic sheet structure and includes: a second fixed part fixed between the bracket and the water outlet joint and a second movable part connected to the second fixed part; the second movable part covers the water outlet The channel is close to one end of the one-way water outlet sheet. Since the first movable part of the one-way water inlet sheet covers the end of the water inlet joint close to the one-way water inlet sheet, when the water flow direction flows from the one-way water inlet sheet to the water inlet joint, the first movable part will seal the water inlet joint. live. And when the water flow direction flows from the water inlet joint to the one-way water inlet piece, the water inlet avoidance groove on the bracket provides a deformation space for the first movable part, so that the water flow can flow from the water inlet head into the water inlet channel of the bracket . Similarly, since the second movable part of the one-way water outlet sheet covers the end of the water outlet channel of the bracket close to the one-way water outlet sheet, when the water flow direction flows from the water outlet joint to the one-way water outlet sheet, the second movable part will seal the water outlet channel . And when the water flow direction flows from the unidirectional water outlet sheet to the water outlet joint, the water outlet avoidance groove on the water outlet joint provides a deformation space for the second movable part, so that the water flow can flow into the water outlet joint from the water outlet channel. The advantage of this design is that the structure of the one-way water inlet valve and the one-way water outlet valve are respectively formed by using the simple one-way water inlet piece and the one-way water outlet piece to cooperate with the bracket, which simplifies the structure of the water pump.

In one of the embodiments, the end of the water outlet channel close to the movable channel is provided with a water outlet conical groove; the wider end of the water outlet conical groove is close to the movable channel. The water outlet tapered groove is conducive to guiding the water to flow smoothly into the water outlet channel.

In one of the embodiments, the end of the water outlet joint close to the one-way water outlet sheet is provided with an auxiliary tapered groove; the wider end of the auxiliary tapered groove is close to the one-way water outlet sheet. The auxiliary tapered groove guides the water flow to smoothly enter the water outlet joint after the water flow passes through the one-way water outlet sheet.

In one of the embodiments, the pusher includes: a sleeve located in the movable channel and a push rod connecting the sleeve; the sleeve is fixed relative to the bracket; one end of the sleeve is provided with a water inlet and outlet; the opposite end of the sleeve is provided with There is a closed elastic piece; the side of the elastic piece opposite to the water inlet and outlet is connected to one end of the push rod; the end of the push rod away from the elastic piece is connected to the connecting rod to realize linear reciprocating motion driven by the motor. Driven by the connecting rod, the push rod reciprocates in a straight line, while the sleeve is fixed relative to the bracket. Therefore, the elastic piece on the sleeve is driven by the push rod to reciprocate and deform to produce a vibration effect, thereby repeatedly changing the movable channel. The size of the space that can hold the liquid.

In one of the embodiments, the pushing member further includes: a guiding ring connected to the bracket and sleeved with the pushing rod. The guide ring is used to guide the action of the push rod to improve the precision of the push rod.

In one embodiment, the pusher includes: a piston slidingly connected in the movable channel; one end of the piston is connected with a connecting rod. The space in which the liquid can be accommodated in the active channel is changed by the movement of the piston.

In one of the embodiments, the water inlet and outlet assembly further includes: a first sealing ring sleeved on the end of the water inlet joint close to the bracket and a second sealing ring sleeved on the end of the water outlet joint close to the bracket; the first sealing ring is located between the water inlet joint and the bracket. between the brackets; the second sealing ring is located between the water outlet joint and the bracket. The first sealing ring is used to strengthen the sealing between the water inlet joint and the bracket, and the second sealing ring is used to strengthen the sealing between the water outlet joint and the bracket.

In one of the embodiments, the bracket includes: a main body and a mounting seat detachably connected to the main body; the main body is used for connecting the water inlet joint and the water outlet joint; the movable channel and the gear are respectively arranged on the main body; the mounting seat is used for installing the motor. When assembling, first install the pusher, connecting rod, and eccentric wheel on the main body, install the motor on the mounting seat, and then combine the main body and the mounting seat, which is convenient for disassembly and assembly.

At the same time, the present invention also provides a tooth cleaning device, which includes the water pump in any one of the above embodiments.

Description of drawings

Fig. 1 is the three-dimensional schematic diagram of the water pump of a kind of embodiment of the present invention;

Fig. 2 is a three-dimensional schematic diagram of another perspective of the water pump shown in Fig. 1;

Fig. 3 is an exploded schematic diagram of the water pump shown in Fig. 1;

Fig. 4 is a half-sectional schematic diagram of the water pump shown in Fig. 1;

Fig. 5 is an explosion diagram of the water pump shown in Fig. 1;

Fig. 6 is a schematic diagram of the inlet and outlet water components of the water pump shown in Fig. 1;

Fig. 7 is a partial cross-sectional view of the water inlet and outlet assembly shown in Fig. 6;

Fig. 8 is a combined schematic view of the driving assembly and the pivot shaft in the water pump shown in Fig. 1;

Fig. 9 is a partial schematic diagram of the drive assembly shown in Fig. 8;

Fig. 10 is a schematic diagram of another mode of the push member in the drive assembly described in Fig. 8;

Fig. 11 is an exploded schematic view of the pusher shown in Fig. 10;

Fig. 12 is a cross-sectional view of the pusher shown in Fig. 10 .

The meanings of each label in the accompanying drawings are:

100-water pump;

10-Water inlet and outlet assembly, 11-Bracket, 111-Active channel, 112-Water inlet channel, 1121-Water inlet avoidance groove, 113-Water outlet channel, 1131-Water outlet tapered groove, 114-Main body, 115-Installation seat, 12-Water inlet connector, 13-Water outlet connector, 131-Water outlet avoidance groove, 132-Auxiliary tapered groove, 14-One-way water inlet piece, 141-First fixed part, 142-First movable part, 15-Single To the water outlet piece, 151-the second fixed part, 152-the second movable part, 16-the pivot shaft;

20-drive assembly, (21, 21a)-pushing member, 211-sleeve, 2111-water inlet and outlet, 2112-elastic sheet, 2113-flange, 212-pushing rod, 213-guiding ring, 22-connecting rod, 23-eccentric wheel, 231-convex teeth, 24-motor, 241-gear;

30 - drainage tube.

Detailed ways

In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.

It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention.

Hereinafter, referring to FIG. 1 to FIG. 12 , it is a water pump 100 according to an embodiment of the present invention.

As shown in Figures 1 and 2, the water pump 100 includes: a water inlet and outlet assembly 10 and a drive assembly 20 connected to the water inlet and outlet assembly 10, wherein the water inlet and outlet assembly 10 is used to connect an external water source and outlet water, and the drive assembly 20 is used to cooperate The water in and out assembly 10 generates driving force for sucking liquid and pushing liquid.

As shown in FIG. 3 to FIG. 7 , they all show the structure of the water inlet and outlet assembly 10 .

As shown in Figures 5 to 7, the water inlet and outlet assembly 10 includes: a bracket 11, a water inlet joint 12 connected to the bracket 11, a water outlet joint 13 connected to the bracket 11, a one-way water inlet connected between the water inlet joint 12 and the bracket 11. The water sheet 14 and the one-way water outlet sheet 15 connected between the water outlet joint 13 and the bracket 11 . The bracket 11 is provided with a linear movable channel 111 . One end of the movable channel 111 is connected to the water inlet joint 12 and the water outlet joint 13 respectively. The water inlet joint 12 and the water outlet joint 13 are arranged vertically to each other. The direction of the water inlet joint 12 is perpendicular to the direction of the movable channel 111 , and the direction of the water outlet joint 13 is consistent with the direction of the movable channel 111 . The one-way water inlet piece 14 is located between the water inlet joint 12 and the movable channel 111 . The one-way water outlet piece 15 is located between the water outlet joint 13 and the movable channel 111 .

In order to simplify the structure of the water pump 100 and reduce the number of parts, the one-way water inlet piece 14, the one-way water outlet piece 15, and the bracket 11 are improved in this embodiment.

As shown in FIG. 6 and FIG. 7 , the bracket 11 is provided with a water inlet channel 112 and a water outlet channel 113 . The water inlet channel 112 is perpendicular to the movable channel 111 . The direction of the water outlet channel 113 is consistent with the direction of the movable channel 111 . The water inlet channel 112 is connected between the water inlet joint 12 and the movable channel 111 . The water outlet channel 113 is connected between the water outlet joint 13 and the movable channel 111 . One end of the water inlet channel 112 close to the one-way water inlet piece 14 is provided with a water inlet avoidance groove 1121 . One end of the water outlet connector 13 close to the one-way water outlet plate 15 is provided with a water outlet avoidance groove 131 . The one-way water inlet sheet 14 is an elastic sheet structure and includes: a first fixed portion 141 fixed between the bracket 11 and the water inlet joint 12 and a first movable portion 142 connected to the first fixed portion 141 . The first movable part 142 covers an end of the water inlet joint 12 close to the one-way water inlet piece 14 . The one-way water outlet sheet 15 is an elastic sheet structure and includes: a second fixed portion 151 fixed between the bracket 11 and the water outlet joint 13 and a second movable portion 152 connected to the second fixed portion 151 . The second movable part 152 covers an end of the water outlet channel 113 close to the one-way water outlet sheet 15 . Since the first movable portion 142 of the one-way water inlet piece 14 covers the end of the water inlet joint 12 close to the one-way water inlet piece 14, when the water flow direction flows from the one-way water inlet piece 14 to the water inlet joint 12, the first movable part The part 142 will seal the water inlet joint 12. And when the water flow direction flows from the water inlet joint 12 to the one-way water inlet piece 14, the water inlet avoidance groove 1121 on the bracket 11 provides a deformation space for the first movable part 142, so that the water flow can flow into the bracket from the water inlet head 11 in the water inlet channel 112. Similarly, since the second movable part 152 of the one-way water outlet sheet 15 covers the end of the water outlet channel 113 of the bracket 11 close to the one-way water outlet sheet 15, when the water flow direction flows from the water outlet joint 13 to the one-way water outlet sheet 15, the second The movable part 152 will seal the water outlet channel 113 . And when the water flow direction flows from the one-way water outlet piece 15 to the water outlet joint 13, the water outlet avoidance groove 131 on the water outlet joint 13 provides a deformation space for the second movable part 152, so that the water flow can flow from the water outlet channel 113 to the water outlet joint 13 middle. The advantage of this design is that the structure of the water pump 100 is simplified by using the simple one-way water inlet piece 14 and the one-way water outlet piece 15 to cooperate with the bracket 11 respectively to form a one-way water inlet valve structure and a one-way water outlet valve structure.

It is added that, in this embodiment, the one-way water inlet sheet 14 and the one-way water outlet sheet 15 can be elastic plastic sheets or elastic metal sheets.

In addition, in order to further improve the smoothness of water flow, improvements can also be made.

For example, as shown in FIG. 6 , one end of the water outlet channel 113 close to the movable channel 111 is provided with a water outlet tapered groove 1131 . The wider end of the water outlet tapered groove 1131 is close to the movable channel 111 . The wider end of the water outlet tapered groove 1131 is close to the one-way water inlet piece 14 . The water outlet tapered groove 1131 is conducive to guiding the water to flow smoothly into the water outlet channel 113 .

For another example, as shown in FIG. 6 , an auxiliary tapered groove 132 is provided at the end of the water outlet joint 13 close to the one-way water outlet plate 15 . The wider end of the auxiliary tapered groove 132 is close to the one-way water outlet piece 15 . The auxiliary tapered groove 132 guides the water flow into the water outlet joint 13 smoothly after the water flow passes through the one-way water outlet sheet 15 .

Considering the liquid tightness problem, the following improvements can also be made.

For example, in other embodiments, the water inlet and outlet assembly 10 may further include: a first sealing ring sleeved on the end of the water inlet joint 12 close to the bracket 11 and a second sealing ring sleeved on an end of the water outlet joint 13 close to the bracket 11 . The first sealing ring is located between the water inlet joint 12 and the bracket 11 . The second sealing ring is located between the water outlet joint 13 and the bracket 11 . The first sealing ring is used to enhance the tightness between the water inlet joint 12 and the bracket 11 , and the second sealing ring is used to strengthen the tightness between the water outlet joint 13 and the bracket 11 .

In conjunction with FIG. 8 to FIG. 12 , they all show the structure of the driving assembly 20 .

As shown in FIGS. 8 and 9 , the drive assembly 20 includes: a pusher 21 with one end passing through the movable channel 111 , a connecting rod 22 connecting the opposite end of the pusher 21 , an eccentric wheel 23 connecting the connecting rod 22 , and Connect the motor 24 of the eccentric wheel 23. The rotating shaft of the eccentric wheel 23 is perpendicular to the movable channel 111 . A peripheral edge of one side of the eccentric wheel 23 protrudes with protruding teeth 231 arranged along the radial direction of the eccentric wheel 23 . The rotating shaft sleeve of the motor 24 is provided with a gear 241 engaging with the protruding teeth 231 . The orientation of the rotating shaft of the motor 24 is consistent with the orientation of the movable channel 111 .

Wherein, there may be many kinds of specific settings for the pushing member 21 .

For example, as shown in FIG. 8 , in this embodiment, the pusher 21 includes: a piston slidably connected in the movable channel 111 . One end of the piston is connected with the connecting rod 22 . The space in which the liquid can be accommodated in the movable channel 111 is changed by the movement of the piston.

For another example, as shown in FIG. 10 to FIG. 12 , another implementation of the pusher 21 a is shown: the pusher 21 a may include a sleeve 211 located in the movable channel 111 and a push rod 212 connecting the sleeve 211 . The sleeve 211 is fixed relative to the bracket 11 . One end of the sleeve 211 is provided with a water inlet and outlet 2111 . The opposite end of the sleeve 211 is provided with a closed elastic piece 2112 . A side of the elastic sheet 2112 opposite to the water inlet and outlet 2111 is connected to one end of the push rod 212 . The end of the push rod 212 away from the elastic piece 2112 is connected to the connecting rod 22 to realize linear reciprocating motion driven by the motor 24 . Driven by the connecting rod 22, the push rod 212 reciprocates linearly, and the sleeve 211 is fixed relative to the bracket 11. Therefore, the elastic piece 2112 on the sleeve 211 is driven by the push rod 212 to reciprocate and deform to produce a vibration effect. In this way, the size of the liquid-accommodating space of the movable channel 111 can be repeatedly changed.

In this embodiment, the sleeve 211 is made of silica gel, which has elastic deformation ability, and the sleeve 211 is also provided with a flange 2113 protruding from the periphery of the water inlet and outlet 2111, and the sleeve 211 can be clamped by using the flange 2113. Connect and fix on the bracket 11.

Further, in this embodiment, the pusher 21 a further includes: a guide ring 213 connected to the bracket 11 and sleeved with the push rod 212 . The guide ring 213 is used to guide the movement of the push rod 212 to improve the precision of the push rod 212 .

In addition, on the premise of ensuring the stability of the installation of each component in the water pump 100 , improvements can also be made to improve the convenience of assembling and disassembling of the water pump 100 .

For example, as shown in FIG. 3 , FIG. 4 and FIG. 7 , in this embodiment, the bracket 11 includes: a main body 114 and a mount 115 detachably connected to the main body 114 . The main body 114 is used to connect the water inlet joint 12 and the water outlet joint 13 . The movable channel 111 and the gear 241 are respectively disposed on the main body 114 . The mounting base 115 is used for mounting the motor 24 . During assembling, first push piece 21, connecting rod 22, eccentric wheel 23 are installed on the main body 114, motor 24 is installed on the mounting seat 115, then main body 114 and mounting seat 115 are combined (as shown in Figure 4, this In the embodiment, a pivot shaft 16 can also be used to install the eccentric wheel 23 between the main body 114 and the mounting seat 115, so as to improve the running stability of the eccentric wheel 23), and it is easy to assemble and disassemble.

In addition, as shown in FIGS. 1 to 3 , in this embodiment, the water pump 100 is also provided with a drainage tube 30 connected to the water inlet joint 12 , and the drainage tube 30 is arranged close to the outer wall of the bracket 11 and faces the outlet joint 13 . Extend in the opposite direction. The drainage tube 30 is used to connect to an external water source.

When the above-mentioned water pump 100 is in use, the motor 24 of the drive assembly 20 rotates, and the gear 241 and the convex tooth 231 are used to reverse the direction to drive the eccentric wheel 23 to rotate. And one end of the pusher 21 is set in the movable channel 111 of the bracket 11 of the water inlet and outlet assembly 10, and the space that the movable channel 111 can accommodate liquid is repeatedly changed by the action of the pusher 21, and the one-way water inlet piece 14 and the one-way water outlet are matched. The sheet 15 allows external liquid to be sucked into the movable channel 111 from the water inlet joint 12 , and cooperates with the one-way water inlet sheet 14 and the one-way water outlet sheet 15 to push out the liquid entering the movable channel 111 to the outside. Wherein, the direction of the motor 24, the movable channel 111, and the water outlet joint 13 are set to be consistent, and the three form a straight line structure, and the water inlet joint 12 is perpendicular to the movable channel 111, which reduces the resistance when the water is discharged, makes the water discharge more efficient and powerful, and The entire width of the water pump 100 is better compressed. Through the above design, the motor 24, the movable channel 111, and the water outlet joint 13 arranged in a linear structure are used, and the water outlet joint 13 is set perpendicular to the movable channel 111, so as to improve the efficiency and power of water outlet, and reduce the width of the entire water pump 100.

In addition, the present invention also provides a tooth cleaning device, which includes the water pump 100 in any one of the above-mentioned embodiments.

The technical features of the above embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, they should be It is considered to be within the range described in this specification.

The above examples only express the preferred implementation of the present invention, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the scope of the patent for the invention. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (10)

1. A water pump, characterized in that: comprising: The water inlet and outlet assembly; the water inlet and outlet assembly includes: a bracket, a water inlet joint connected to the bracket, a water outlet joint connected to the bracket, a one-way water inlet piece connected between the water inlet joint and the bracket, And a one-way water outlet piece connected between the water outlet joint and the bracket; a linear movable channel is provided in the bracket; one end of the movable channel is respectively connected to the water inlet joint and the water outlet joint; The water inlet joint and the water outlet joint are arranged perpendicular to each other; the direction of the water inlet joint is perpendicular to the direction of the movable channel, and the direction of the water outlet joint is consistent with the direction of the movable channel; the one-way inlet The water sheet is located between the water inlet connector and the movable channel; the one-way water outlet sheet is located between the water outlet connector and the movable channel; and The drive assembly connected to the water inlet and outlet assembly; the drive assembly includes: a pusher with one end passing through the movable channel, a connecting rod connected with the opposite end of the pusher, and an eccentric wheel connected with the connecting rod , and a motor connected to the eccentric wheel; the rotating shaft of the eccentric wheel is perpendicular to the movable channel; the peripheral edge of one side of the eccentric wheel protrudes with protruding teeth arranged along the radial direction of the eccentric wheel; The rotating shaft sleeve of the motor is provided with a gear meshing with the protruding teeth; the direction of the rotating shaft of the motor is consistent with the direction of the movable channel. 2. The water pump according to claim 1, wherein the support is provided with a water inlet channel and a water outlet channel; the water inlet channel is perpendicular to the movable channel; the orientation of the water outlet channel is the same as that of the movable channel The orientations are consistent; the water inlet channel is connected between the water inlet joint and the active channel; the water outlet channel is connected between the water outlet joint and the active channel; the water inlet channel is close to the One end of the one-way water inlet sheet is provided with a water inlet avoidance groove; the end of the water outlet joint close to the one-way water outlet sheet is provided with a water outlet avoidance groove; the one-way water inlet sheet is an elastic sheet structure and includes : a first fixed part fixed between the bracket and the water inlet joint and a first movable part connected to the first fixed part; the first movable part covers the water inlet joint close to the single One end of the water inlet sheet; the one-way water outlet sheet is an elastic sheet structure and includes: a second fixing part fixed between the bracket and the water outlet joint and a second fixing part connected to the second fixing part Movable part; the second movable part covers the end of the water outlet channel close to the one-way water outlet sheet. 3. The water pump according to claim 2, characterized in that, one end of the water outlet channel close to the movable channel is provided with a water outlet conical groove; the wider end of the water outlet conical groove is close to the movable channel. 4. The water pump according to claim 2, wherein an auxiliary tapered groove is provided at the end of the water outlet joint close to the one-way water outlet piece; the wider end of the auxiliary tapered groove is close to the one-way water outlet Flip out the water. 5. The water pump according to claim 1, wherein the pusher comprises: a sleeve located in the movable channel and a push rod connected to the sleeve; the sleeve is fixed relative to the bracket One end of the sleeve is provided with a water inlet and outlet; the opposite end of the sleeve is provided with a closed elastic piece; the side of the elastic piece opposite to the water inlet and outlet is connected to one end of the push rod; The end of the push rod away from the elastic piece is connected to the connecting rod to realize linear reciprocating motion driven by the motor. 6 . The water pump according to claim 5 , wherein the push member further comprises: a guide ring connected to the support and sleeved with the push rod. 6 . 7. The water pump according to claim 1, wherein the pushing member comprises: a piston slidably connected in the movable channel; one end of the piston is connected to the connecting rod. 8. The water pump according to claim 1, wherein the water inlet and outlet assembly further comprises: a first sealing ring sleeved on the end of the water inlet joint close to the bracket, and a first sealing ring sleeved on the end of the water outlet joint close to the bracket. The second sealing ring at one end of the support; the first sealing ring is located between the water inlet joint and the support; the second sealing ring is located between the water outlet joint and the support. 9. The water pump according to claim 1, characterized in that, the bracket comprises: a main body and a mounting seat detachably connected to the main body; the main body is used to connect the water inlet joint and the water outlet joint ; the movable channel and the gear are respectively arranged on the main body; the mounting seat is used for installing the motor. 10. A tooth cleaning device, characterized by comprising the water pump according to any one of claims 1-9.