CN214577682U

CN214577682U - Water pump of tooth flushing device

Info

Publication number: CN214577682U
Application number: CN202120624355.3U
Authority: CN
Inventors: 林韶孟
Original assignee: Dongguan Tianze Household Appliances Co ltd
Current assignee: Dongguan Tianze Household Appliances Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-11-02
Anticipated expiration: 2031-03-26

Abstract

The utility model belongs to the technical field of tooth flushers, in particular to a water pump of a tooth flusher; the device comprises a pump body, a piston and a driving device; the pump body is provided with a water inlet, a water spray nozzle and a water outlet, the water inlet, the water spray nozzle and the water outlet are all communicated with the inner cavity of the pump body, the water inlet is provided with a water inlet valve plate, and the water spray nozzle is provided with a water spray valve plate; the piston is movably arranged in the inner cavity, a sealing ring and a waterproof ring are arranged on the side wall of the piston, the communication position of the water outlet and the inner cavity is positioned between the sealing ring and the waterproof ring, and the driving device is in transmission connection with the piston. Be provided with waterproof circle and outlet in this towards tooth ware water pump, after the sealing washer on the piston is ageing, when the clear water flows to the circuit part by the clearance between the lateral wall of piston and inner chamber, this waterproof circle can block the clear water that flows to the circuit part to make the clear water can outwards be discharged by the outlet, take place with the impaired condition of avoiding the circuit part, thereby the effectual improvement is towards the life of tooth ware.

Description

Water pump of tooth flushing device

Technical Field

The utility model belongs to the technical field of towards the tooth ware, concretely relates to towards tooth ware water pump.

Background

The tooth flusher is a household oral cavity cleaning device, and the working principle of the tooth flusher is that tooth is flushed by pulse water flow so as to remove dental plaque and food remained below a gum line.

At present, a common tooth flushing device in the market drives a piston type reciprocating water pump through a motor, the motor drives an eccentric wheel to rotate at a high speed so as to drive a piston to complete up-and-down reciprocating motion, so that the volume of an inner cavity of a pump body generates periodic change, and the pump body alternately sucks and sprays water flow (pulse water flow) to flush teeth and tooth gaps.

However, after the water pump in the existing tooth rinsing device is used for a long time, the sealing ring on the piston of the water pump is aged and worn, so that the clean water entering the water pump flows to the circuit part of the tooth rinsing device from the gap between the piston and the side wall of the inner cavity, and the tooth rinsing device cannot be used or is damaged. Therefore, the invention provides a water pump of a tooth flushing device, which can avoid water leakage of the tooth flushing device caused by aging of a sealing ring, and is a technical problem to be solved urgently by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned problem that prior art exists, the utility model provides a towards tooth ware water pump to the clear water can enter into the circuit part towards tooth ware after the ageing of sealing washer on the piston that exists among the solution prior art, and then leads to towards the technical problem that tooth ware damaged.

The utility model discloses a following technical scheme specifically realizes:

a water pump of a tooth flushing device comprises a pump body, a piston and a driving device;

the pump body is provided with a water inlet, a water spraying port and a water discharging port, the water inlet, the water spraying port and the water discharging port are all communicated with the inner cavity of the pump body, a water inlet valve plate is arranged at the water inlet, and a water spraying valve plate is arranged at the water spraying port;

the piston is movably arranged in the inner cavity, a sealing ring and a waterproof ring are arranged on the side wall of the piston, the communication position of the water outlet and the inner cavity is located between the sealing ring and the waterproof ring, and the driving device is in transmission connection with the piston.

In order to better realize the utility model discloses, do further optimization in above-mentioned structure, be provided with the water catch bowl on the lateral wall of piston, the water catch bowl is located the sealing washer with between the waterproof circle.

In order to better realize the utility model discloses, make further optimization in above-mentioned structure, be provided with the sliding sleeve on the lateral wall of inner chamber, the piston slides and sets up in the sliding sleeve.

In order to better realize the utility model discloses, do further optimization in above-mentioned structure, this towards tooth ware water pump still includes water inlet tap and water discharging nozzle, the water inlet tap is pegged graft and is set up water inlet tap department, water discharging nozzle pegs graft and sets up water discharging nozzle department.

In order to better realize the utility model discloses, do further optimization in above-mentioned structure, this towards tooth ware water pump still includes the mounting, the mounting sets up water jet department, the mounting with set up the spring between the water spray valve block, the both ends of spring respectively with the mounting with the water spray valve block butt.

In order to better realize the utility model discloses, do further optimization in above-mentioned structure, the sealing washer includes first sealing washer and second sealing washer, first sealing washer with the second sealing washer is followed the axis direction of piston is arranged and is set up.

In order to better realize the utility model, the structure is further optimized, and the cross-sectional shapes of the sealing ring and the waterproof ring are both in a Y shape.

In order to better realize the utility model discloses, do further optimization in above-mentioned structure, the piston includes cock body, connecting rod and locating pin, the stiff end of connecting rod passes through the locating pin with the cock body is articulated, the expansion end of connecting rod with the drive arrangement transmission is connected.

In order to better realize the utility model discloses, do further optimization in above-mentioned structure, drive arrangement includes motor and eccentric wheel, the motor with the eccentric wheel transmission is connected, the expansion end cover of connecting rod is established on the eccentric wheel.

In order to better realize the utility model discloses, do further optimization in above-mentioned structure, this towards tooth ware water pump still includes the casing, the pump body with drive arrangement all sets up in the casing, the water inlet the water jet with the outlet all passes casing and outside intercommunication.

To sum up, the utility model discloses following technological effect has:

be provided with waterproof circle and outlet in this towards tooth ware water pump, after the sealing washer on the piston is ageing, when the clear water flows to the circuit part by the clearance between the lateral wall of piston and inner chamber, this waterproof circle can block the clear water that flows to the circuit part to make the clear water can outwards be discharged by the outlet, take place with the impaired condition of avoiding the circuit part, thereby the effectual improvement is towards the life of tooth ware.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an exploded view of a water pump of a water toothpick;

FIG. 2 is a drawing showing the connection between the pump body and the driving device in the water pump of the water pump for rinsing teeth of the present invention;

FIG. 3 is a schematic structural view of a pump body in a water pump of the tooth rinsing device of the present invention;

FIG. 4 is a cross-sectional view of a pump body in a water pump of the tooth flusher of the present invention;

FIG. 5 is a schematic structural view of a piston in a water pump of the water pump for a dental irrigator according to the present invention;

fig. 6 is a schematic structural view of a water inlet valve plate in a water pump of the tooth flushing device of the present invention.

Reference numerals:

1. a pump body; 11. a water inlet; 12. a water jet; 13. a water outlet; 14. a water inlet valve plate; 15. a water spray valve plate; 16. a sliding sleeve; 17. a water inlet nozzle; 18. a water discharge nozzle; 19. a fixing member; 2. a piston; 211. a first seal ring; 212. a second seal ring; 22. a waterproof ring; 23. a water collection tank; 24. a plug body; 25. a connecting rod; 26. positioning pins; 3. a drive device; 31. a motor; 32. an eccentric wheel; 4. a housing.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example (b):

as shown in fig. 1 to 6:

a water pump of a tooth flushing device comprises a pump body 1, a piston 2 and a driving device 3;

the pump body 1 is provided with a water inlet 11, a water spray port 12 and a water discharge port 13, the water inlet 11, the water spray port 12 and the water discharge port 13 are all communicated with an inner cavity of the pump body 1, a water inlet valve plate 14 is arranged at the water inlet 11, and a water spray valve plate 15 is arranged at the water spray port 12;

the piston 2 is movably arranged in the inner cavity, a sealing ring and a waterproof ring 22 are arranged on the side wall of the piston 2, the communication position of the water outlet 13 and the inner cavity is positioned between the sealing ring and the waterproof ring 22, and the driving device 3 is in transmission connection with the piston 2.

When the water pump of the tooth flushing device with the structure is used, a user only needs to start the driving device 3, the driving device 3 can drive the piston 2 to do reciprocating motion in the pump body 1, so that the volume of the inner cavity of the pump body 1 is changed periodically, and the pump body 1 alternately sucks and sprays water flow (pulse water flow) to flush teeth and tooth gaps;

after the sealing ring on the piston 2 is aged or worn, the clean water entering the inner cavity of the pump body 1 flows downwards from the gap between the piston 2 and the side wall of the inner cavity, at the moment, the waterproof ring 22 on the piston 2 can effectively block the clean water flowing to the circuit part, and the clean water can be discharged outwards through the water outlet 13, so that the circuit part of the tooth flushing device is prevented from being damaged.

Preferably, the side wall of the piston 2 is provided with a water collecting groove 23; wherein the content of the first and second substances,

the water collecting tank 23 is positioned between the sealing ring and the waterproof ring 22, when the sealing ring fails due to aging or abrasion, the clean water entering the inner cavity flows into the water collecting tank 23 along the gap between the piston 2 and the side wall of the inner cavity, and is discharged outwards through the water outlet 13; the water collecting groove 23 can avoid the condition that the waterproof ring 22 fails due to the fact that the water inlet speed is greater than the water drainage speed.

Preferably, a sliding sleeve 16 is arranged on the side wall of the inner cavity; wherein the content of the first and second substances,

the sliding sleeve 16 is a circular tubular structure, the piston 2 is slidably disposed in the sliding sleeve 16, so that the piston 2 and the sliding sleeve 16 are in clearance fit, and the sealing ring on the piston 2 and the sliding sleeve 16 are in interference fit; the sliding sleeve 16 can effectively reduce the abrasion of the sealing ring, so that the service life of the water pump of the tooth flushing device is effectively prolonged.

Preferably, the sliding sleeve 16 is made of stainless steel, which can reduce the friction coefficient between the sliding sleeve 16 and the seal ring, thereby further reducing the wear of the seal ring.

Preferably, the water pump of the tooth flusher further comprises a water inlet nozzle 17 and a water discharge nozzle 18; wherein the content of the first and second substances,

the water inlet nozzle 17 is inserted into the water inlet 11, and the water outlet nozzle 18 is inserted into the water outlet 13, so that the water inlet pipe and the water outlet pipe can be conveniently installed on the pump body 1, and the water pump of the water tooth flusher is more convenient to use.

Preferably, the cover is equipped with the sealing washer on the grafting end of water inlet tap 17, and the grafting end of water discharging tap 18 also is provided with the sealing washer, and the sealing washer on the water inlet tap 17 and the sealing washer on the water discharging tap 18 can effectual sealed water inlet tap 17 and the clearance between the water discharging tap 18 and the pump body 1 to the condition of leaking avoids appearing.

It should be noted that the insertion end of the water inlet nozzle 17 refers to an end of the water inlet nozzle 17 inserted into the water inlet 11 of the pump body 1, and the insertion end of the water discharge nozzle 18 refers to an end of the water discharge nozzle 18 inserted into the water discharge opening 13 of the pump body 1.

Preferably, the water pump of the tooth flusher further comprises a fixing piece 19; wherein the content of the first and second substances,

the fixing piece 19 is arranged at the water spraying opening 12, a spring is arranged between the fixing piece 19 and the water spraying valve piece 15, and two ends of the spring are respectively abutted against the fixing piece 19 and the water spraying valve piece 15;

during the use process, a user can insert the nozzle into the water outlet 13 of the pump body 1 through the fixing piece 19, when pumping water, the piston 2 moves to one end far away from the water jet 12, the volume of the inner cavity is increased, the movable part of the water jet valve plate 15 is abutted by the spring, so that the movable part tightly covers the water jet 12, air is prevented from entering the inner cavity through the water jet 12, and a sufficient amount of water can be pumped into the inner cavity of the pump body 1 during the water inlet process;

when water is sprayed, the piston 2 moves towards one end close to the water spraying opening 12, at the moment, the movable part of the water inlet valve plate 14 can block the water inlet 11, and clear water in the inner cavity can be sprayed out from the water spraying opening 12 under the pressure provided by the piston 2 and under the action of overcoming the elastic force of the water spraying valve plate 15 and the spring, so that the effect of washing teeth and tooth gaps can be achieved.

Preferably, the above-mentioned sealing rings comprise a first sealing ring 211 and a second sealing ring 212, wherein,

the first sealing ring 211 and the second sealing ring 212 are arranged in line along the axial direction of the piston 2, the distance between the first sealing ring 211 and the water jet 12 is smaller than the distance between the second sealing ring 212 and the driving device 3, and the water collecting tank 23 is positioned between the waterproof ring 22 and the second sealing ring 212; the arrangement of the first sealing ring 211 and the second sealing ring 212 can further improve the sealing effect between the piston 2 and the inner cavity, so that the use of the water pump of the tooth flushing device is more convenient.

Preferably, two mounting grooves are formed in the side wall of the piston 2, and the first sealing ring 211 and the second sealing ring 212 are respectively disposed in the two mounting grooves, so as to prevent the first sealing ring 211 and the second sealing ring 212 from falling off from the piston 2, and to stabilize the structure of the water pump of the tooth flushing device.

More preferably, the first seal ring 211, the second seal ring 212, and the waterproof ring 22 have a Y-shaped cross section.

Preferably, the piston 2 comprises a plug body 23, a connecting rod 25 and a positioning pin 26; wherein the content of the first and second substances,

the fixed end of the connecting rod 25 is hinged on the plug body 23 through a positioning pin 26, and the movable end of the connecting rod 25 is in transmission connection with the driving device 3; in the process of using the water pump of the tooth flusher, the driving device 3 drives the plug body 23 to realize reciprocating motion in the inner cavity through the connecting rod 25, so that the water pump of the tooth flusher can finish the effects of water pumping and water spraying.

Preferably, the above-mentioned driving device 3 comprises a motor 31 and an eccentric wheel 32; wherein the content of the first and second substances,

the power output end of the motor 31 is in transmission connection with the eccentric wheel 32, and the movable end of the connecting rod 25 is arranged at the eccentric part of the eccentric wheel 32; when the motor 31 is started, the motor 31 drives the eccentric wheel 32 to rotate, and the eccentric wheel 32 can drive the connecting rod 25 to act during rotation, so that the piston 2 can realize reciprocating motion in the pump body 1.

Preferably, the driving device 3 includes a storage battery and a circuit board, the storage battery is electrically connected to the motor 31 through the circuit board, and supplies the motor 31 with electric energy required by its operation.

Preferably, the water pump of the tooth flusher further comprises a shell 4, the pump body 1 and the driving device 3 are arranged in the shell 4, the water inlet 11, the water spraying opening 12 and the water discharging opening 13 penetrate through the shell 4 to be communicated with the outside, and the storage battery and the circuit board are also arranged on the shell 4, so that the water pump of the tooth flusher is more compact in structure.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a water pump for tooth flushing device which characterized in that: comprises a pump body (1), a piston (2) and a driving device (3);

the pump body (1) is provided with a water inlet (11), a water spraying opening (12) and a water discharging opening (13), the water inlet (11), the water spraying opening (12) and the water discharging opening (13) are all communicated with an inner cavity of the pump body (1), a water inlet valve plate (14) is arranged at the water inlet (11), and a water spraying valve plate (15) is arranged at the water spraying opening (12);

piston (2) activity sets up in the inner chamber, be provided with sealing washer and waterproof circle (22) on the lateral wall of piston (2), outlet (13) with the intercommunication department of inner chamber is located the sealing washer with between the waterproof circle (22), drive arrangement (3) with piston (2) transmission is connected.

2. The water pump according to claim 1, wherein: the side wall of the piston (2) is provided with a water collecting groove (23), and the water collecting groove (23) is located between the sealing ring and the waterproof ring (22).

3. The water pump according to claim 2, wherein: a sliding sleeve (16) is arranged on the side wall of the inner cavity, and the piston (2) is arranged in the sliding sleeve (16) in a sliding mode.

4. The water pump according to claim 3, wherein: still include inlet tap (17) and drain tap (18), inlet tap (17) are pegged graft and are set up water inlet (11) department, drain tap (18) are pegged graft and are set up drain opening (13) department.

5. The water pump according to claim 4, wherein: still include mounting (19), mounting (19) set up spout (12) department, mounting (19) with set up the spring between water spray valve piece (15), the both ends of spring respectively with mounting (19) with water spray valve piece (15) butt.

6. The water pump according to claim 5, wherein: the sealing ring comprises a first sealing ring (211) and a second sealing ring (212), and the first sealing ring (211) and the second sealing ring (212) are arranged in an axial direction of the piston (2).

7. The water pump according to claim 6, wherein: the cross-sectional shapes of the sealing ring and the waterproof ring (22) are both Y-shaped.

8. The water pump according to any one of claims 1 to 7, wherein: piston (2) are including cock body (24), connecting rod (25) and locating pin (26), the stiff end of connecting rod (25) is passed through locating pin (26) with cock body (24) are articulated, the expansion end of connecting rod (25) with drive arrangement (3) transmission is connected.

9. The water pump according to claim 8, wherein: the driving device (3) comprises a motor (31) and an eccentric wheel (32), the motor (31) is in transmission connection with the eccentric wheel (32), and the movable end of the connecting rod (25) is arranged on the eccentric wheel (32).

10. The water pump according to claim 1, wherein: the water pump further comprises a shell (4), the pump body (1) and the driving device (3) are arranged in the shell (4), and the water inlet (11), the water spraying port (12) and the water discharging port (13) penetrate through the shell (4) to be communicated with the outside.