CN216021485U

CN216021485U - Novel water pump and tooth flushing device

Info

Publication number: CN216021485U
Application number: CN202122301505.XU
Authority: CN
Inventors: 周琴兵
Original assignee: Shenzhen Zhengling Network System Co ltd
Current assignee: Shenzhen Zhengling Network System Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-03-15
Anticipated expiration: 2031-09-22

Abstract

A novel water pump and a tooth flushing device relate to the technical field of tooth flushing devices. The water pump includes: a pump body provided with a pump cavity, a water inlet and a water outlet; the water inlet one-way valve is arranged at the water inlet; the water outlet one-way valve is arranged at the water outlet; an elastic partition member sealingly mounted to said pump body for reciprocating movement relative to said pump chamber to periodically increase or decrease the volume of said pump chamber; an eccentric disposed opposite the resilient spacer; one end of the connecting rod is arranged on the elastic spacing piece, and the other end of the connecting rod is in transmission connection with the eccentric wheel; the motor is positioned between the eccentric wheel and the pump body; and one end of the transmission component is in transmission connection with the motor, and the other end of the transmission component is provided with the eccentric wheel. The tooth flushing device comprises the water pump. Adopt above-mentioned technical scheme to have the antiseep, long service life, high safety in utilization, the transmission is steady, the noise is little, compact structure and the big advantage of water storage capacity.

Description

Novel water pump and tooth flushing device

Technical Field

The utility model relates to the technical field of tooth flushing devices, in particular to a novel water pump and a tooth flushing device.

Background

The tooth flushing device is an auxiliary tool for cleaning the oral cavity, and utilizes a pulse water flow impact mode to clean teeth and tooth gaps. The cleaning function is realized by mainly jetting the impact force of a high-speed water column under the action of a water pump.

However, the water pump that current tooth washing device adopted is mostly reciprocating piston pump, and the during operation inevitably can relative friction cause wearing and tearing between piston and the pump chamber wall portion, causes the pump chamber to take place the seepage, influences the performance and the life of water pump and has the potential safety hazard of electric leakage.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects and shortcomings of the prior art, the utility model provides a novel water pump and a tooth flushing device, which have the advantages of leakage prevention, long service life, high use safety, stable transmission, low noise, compact structure and large water storage capacity.

In order to achieve the purpose, the utility model adopts the technical scheme that: a novel water pump comprising: a pump body provided with a pump cavity, a water inlet and a water outlet; the water inlet one-way valve is arranged at the water inlet; the water outlet one-way valve is arranged at the water outlet; an elastic partition member sealingly mounted to said pump body for reciprocating movement relative to said pump chamber to periodically increase or decrease the volume of said pump chamber; an eccentric disposed opposite the resilient spacer; one end of the connecting rod is arranged on the elastic spacing piece, and the other end of the connecting rod is in transmission connection with the eccentric wheel; the motor is positioned between the eccentric wheel and the pump body; and one end of the transmission component is in transmission connection with the motor, and the other end of the transmission component is provided with the eccentric wheel.

One end of the connecting rod, which is close to the elastic spacing part, is provided with a first mounting hole, and a connector, one end of which is fixedly assembled with the elastic spacing part, is assembled at the first mounting hole in a clearance way.

The elastic separation part is provided with a thickened part, and an embedding hole for embedding the connector is formed in the thickened part.

And a second mounting hole for mounting the eccentric wheel is formed in one end, far away from the elastic spacing part, of the connecting rod.

The eccentric wheel is rotatably arranged in a pump shell through a rotating shaft, and the pump body, the connecting rod, the elastic spacing piece and the transmission assembly are further arranged in the pump shell.

The periphery of the elastic separation part is provided with a mounting ring, and the pump body is detachably provided with a pressing ring used for pressing the mounting ring on the pump body.

The transmission assembly includes: the driving gear is arranged at the power output end of the motor; and the driven gear is meshed with the driving gear and is coaxially connected with the eccentric wheel.

The water outlet one-way valve comprises: a pipe body mounted at the water outlet; and the first valve core and the second valve core are arranged in the pipe body channel and extend in a manner of approaching to each other along the inner wall of the pipe body towards the water outlet direction, and a water outlet gap is formed between the first valve core and the second valve core.

The water inlet check valve is sheet-shaped, a water blocking part is arranged in the middle of the water inlet check valve, water inlet holes are formed in the periphery of the water blocking part, the water inlet is blocked, the water inlet check valve enters the blocking frame of the pump cavity, and the opposite side of the blocking frame is provided with a space for the water inlet check valve.

A dental irrigator comprising: a waterproof shell; the water storage device is arranged on the waterproof shell; the water pump is fixedly assembled in the waterproof shell; the water pumping pipe is arranged on the water inlet through the waterproof shell and is communicated with the water storage device; the control device is embedded on the waterproof shell and is electrically connected with the water pump; the power supply is arranged in the waterproof shell and is electrically connected with the control device; and the nozzle is arranged at the water inlet through the waterproof shell.

After the technical scheme is adopted, the utility model has the beneficial effects that: when the water pump works, the motor drives the transmission assembly to move, so that the eccentric wheel is driven to rotate around the rotating shaft, the connecting rod is driven to do linear reciprocating motion through the rotation of the eccentric wheel, and the elastic spacing part does reciprocating motion relative to the pump cavity to periodically increase or reduce the volume of the pump cavity so as to change the pressure in the pump cavity and achieve the water suction and water discharge of the water pump. The following problems in the prior art are solved: the relative sliding between the piston and the pump cavity causes the abrasion of the pump cavity and the piston, and the water leakage phenomenon occurs over time, the water leaked from the pump cavity flows into the transmission component and the motor, which influences the performance and the service life of the water pump, and the water pump is the most important part of the tooth flusher, thereby indirectly influencing the performance and the service life of the tooth flusher. The effects of leakage prevention, long service life and high use safety are achieved.

In addition, the motor is arranged between the pump body and the eccentric wheel, the whole water pump is in a T shape, and the moments generated by the pistons on the two sides are mutually offset when the water pump works, so that the transmission stability is effectively improved, and the vibration is reduced, so that the noise is reduced; in addition, the structure of the water pump is more compact, and the tooth flusher with the same volume can store more water.

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, and 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 a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a half sectional view of the water pump of the present invention;

fig. 4 is an exploded view of the water pump of the present invention.

Description of reference numerals: 1. a waterproof shell; 11. a pump mounting housing; 12. a hollow column; 13. an upper cover; 14. a receiving channel; 15. a cover body; 16. a second seal ring; 17. a third seal ring; 2. a water storage device; 3. a water pump; 30. a rotating shaft; 31. a pump housing; 32. a pump body; 321. a pump chamber; 322. a water inlet; 323. a water outlet; 324. pressing a ring; 325. a blocking frame; 33. a water inlet one-way valve; 331. a water plugging part; 332. a water inlet hole; 34. a water outlet one-way valve; 341. a pipe body; 342. a first valve spool; 343. a second valve core; 344. a water outlet gap; 35. an elastic spacer; 351. thickening part; 352. an insertion hole; 353. a mounting ring; 36. an eccentric wheel; 37. a connecting rod; 371. a first mounting hole; 372. a second mounting hole; 373. a connector; 38. a motor; 39. a transmission assembly; 391. a driving gear; 392. a driven gear; 4. a water pumping pipe; 5. a control device; 6. a power source; 7. a spray head; 8. a first seal ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment as necessary without making a contribution thereto after reading the present specification, but all are protected by patent laws within the scope of the claims of the present invention.

The present embodiment relates to a tooth rinsing device, as shown in fig. 1 and 2, which comprises: the device comprises a waterproof shell 1, a water storage device 2, a water pump 3, a water pumping pipe 4, a control device 5, a power supply 6 and a spray head 7.

Wherein, water storage device 2 installs outside water proof shell 1, and water pump 3 fixed assembly is in water proof shell 1, and water proof shell 1 is used for carrying out dry wet partition with water storage device 2 and water pump 3. The water pumping pipe 4 is installed at the water inlet 322 of the water pump 3 through the waterproof case 1 and extends to the bottom of the water storage device 2. The control device 5 is embedded on the waterproof shell 1, is electrically connected with the water pump 3 and is used for controlling the work of the water pump 3. The power supply 6 is a storage battery, which is installed in the waterproof case 1 and electrically connected to the control device 5 to provide electric support. The nozzle 7 is installed at the water inlet 322 through the waterproof case 1.

Preferably, water storage device 2 is for having the open-ended cup, and the open end cover of cup is on partly water proof shell 1 to carry out the joint with water proof shell 1, and be equipped with first sealing washer 8 between cup and the water proof shell 1, in order to improve the leakproofness in the water storage chamber that cup and water proof shell 1 formed, thereby prevent the hourglass water.

As shown in fig. 4, the water pump 3 includes: pump case 31, pump body 32, water inlet check valve 33, water outlet check valve 34, elastic partition 35, eccentric wheel 36, connecting rod 37, motor 38 and transmission assembly 39.

Wherein, the pump shell 31 is installed in the water-stop shell 1 through screws, and the pump body 32, the water inlet check valve 33, the water outlet check valve 34, the elastic separator 35, the eccentric wheel 36, the connecting rod 37 and the transmission assembly 39 are all installed in the pump shell 31. The pump body 32 is provided with a pump cavity 321, a water inlet 322 and a water outlet 323 which are communicated with the pump cavity 321 are arranged on the pump body 32, a first through hole is arranged on the pump shell 31 corresponding to the water outlet 323 and the water inlet 322, the water inlet check valve 33 is arranged at the water inlet 322, and the water outlet check valve 34 is arranged at the water outlet 323. The elastic partition 35 is hermetically installed on the opening of the pump body 32 and can reciprocate with high frequency relative to the pump cavity 321 to periodically increase or decrease the volume of the pump cavity 321, so as to change the pressure in the pump cavity 321 and achieve the water suction and discharge of the water pump 3.

The motor 38 is fixedly mounted to the pump housing 31 by screws between the eccentric 36 and the pump body 32. The power output end of the motor 38 penetrates through the pump shell 31 to be in transmission connection with one end of a transmission assembly 39, and the other end of the transmission assembly 39 is provided with an eccentric wheel 36. The eccentric 36 is rotatably mounted in the pump housing 31 by the rotating shaft 30 and is disposed opposite the elastic spacer 35. The connecting rod 37 is provided with a second mounting hole 372 at one end far away from the elastic spacing member 35 for mounting the eccentric wheel 36, and the other end of the connecting rod 37 is mounted on the elastic spacing member 35.

When the water pump 3 is in operation, the motor 38 drives the transmission assembly 39 to move, so as to drive the eccentric wheel 36 to rotate around the rotating shaft 30, the connecting rod 37 is driven to do linear reciprocating motion through the rotation of the eccentric wheel 36, and the elastic partition 35 makes reciprocating motion relative to the pump cavity 321 to periodically increase or decrease the volume of the pump cavity 321, so as to change the pressure in the pump cavity 321 and achieve the water suction and water discharge of the water pump 3. The following problems in the prior art are solved: the relative sliding between the piston and the pump cavity 321 causes the pump cavity 321 and the piston to be worn, and water leakage occurs over time, and water leaking from the pump cavity 321 flows into the transmission assembly 39 and the motor 38, which affects the performance and the service life of the water pump 3, and further indirectly affects the performance and the service life of the tooth flusher because the water pump 3 is the most important part of the tooth flusher.

In addition, the motor 38 is arranged between the pump body 32 and the eccentric wheel 36, the whole water pump 3 is in a T shape, and the moments generated by the pistons on the two sides of the water pump 3 during working are mutually offset, so that the transmission stability is effectively improved, and the vibration is reduced, so that the noise is reduced; in addition, the structure of the water pump 3 is more compact, and the tooth flusher with the same volume can store more water.

Further, since the rotation of the eccentric wheel 36 may cause the connecting rod 37 to be angularly deflected, which affects the smoothness and smoothness of the movement, in order to make the transmission of the connecting rod 37 more smooth and smooth, a first mounting hole 371 is provided at one end of the connecting rod 37 close to the elastic partition 35, and a connecting head 373 having one end fixedly assembled with the elastic partition 35 is gap-assembled at the first mounting hole 371. The elastic spacer 35 is provided with a thickened portion 351, and the thickened portion 351 is provided with an insertion hole 352 into which the connector 373 is inserted.

Further, an installation ring 353 is provided on the outer periphery of the elastic spacer 35, and a pressing ring 324 for pressing the installation ring 353 on the pump body 32 is detachably mounted on the pump body 32.

Further, the transmission assembly 39 includes: a drive gear 391 and a driven gear 392. The drive gear 391 is mounted to the power take-off of the motor 38. The driven gear 392 is engaged with the driving gear 391 and is coaxially connected with the eccentric wheel 36.

Further, the water outlet check valve 34 comprises: a tube body 341 and first and second valve spools 342 and 343. Wherein, the tube 341 is installed at the water outlet 323. The first valve element 342 and the second valve element 343 are provided in the passage of the pipe 341 and extend in a direction of water discharge along the inner wall of the pipe 341 so as to be close to each other, and a water discharge gap 344 is formed between the first valve element 342 and the second valve element 343, so that water can be discharged only from the water discharge gap 344.

Furthermore, the water inlet check valve 33 is sheet-shaped, and the middle part of the water inlet check valve is provided with a water blocking part 331 for blocking the nozzle of the suction pipe, water inlet holes 332 are arranged around the water blocking part 331, and a blocking frame 325 for blocking the water inlet check valve 33 from entering the pump cavity 321 is arranged at the water inlet 322. A space which is used for moving the water inlet one-way valve 33 and has the height smaller than the diameter of the water inlet one-way valve 33 is arranged between the blocking frame 325 and the water suction pipe.

When the water pump 3 discharges water, the connecting rod 37 pushes the elastic partition member to be sunken into the pump cavity 321, the pressure in the pump cavity 321 is increased, the water inlet check valve 33 is closed under pressure, the water outlet check valve 34 is opened, and the water in the pump cavity 321 is sprayed out. When the water pump 3 sucks water, the connecting rod 37 moves in the direction away from the pump body 32, the pressure of the pump cavity 321 is reduced, the elastic partition member is gradually reset, the water inlet check valve 33 is opened, the water outlet check valve 34 is closed, and the water pump 3 sucks water.

As shown in fig. 2, the water-proof shell 1 includes a pump mounting shell 11, an opening is provided at one end of the pump mounting shell 11, a hollow column 12 for mounting the power supply 38 and the power supply 6 is provided at the opposite side of the opening, an upper cover 13 is clamped at the opening, and a second sealing ring 16 is provided between the inner wall of the upper cover 13 and the outer wall of the water-proof shell 1. The spray head 7 is detachably assembled with the upper cover 13. The water-stop case 1 is provided with a storage passage 14 leading from the upper cover 13 to the water tank and used for storing the spray head 7, and a cover body 15 is rotatably assembled at the inlet of the storage passage 14. A third seal ring 17 is provided on the passage peripheral side between the upper cover 13 and the pump mounting case 11.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered by the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A novel water pump, characterized by comprising: a pump body (32) provided with a pump cavity (321), a water inlet (322) and a water outlet (323);

a water inlet check valve (33) arranged at the water inlet (322);

the water outlet one-way valve (34) is arranged at the water outlet (323);

an elastic partition member (35) sealingly mounted to the pump body (32) for reciprocating relative to the pump chamber (321) to periodically increase or decrease the volume of the pump chamber (321);

an eccentric (36) arranged opposite the elastic spacer (35);

a connecting rod (37) with one end mounted on the elastic spacing member (35) and the other end in transmission connection with the eccentric wheel (36);

a motor (38) located between the eccentric (36) and the pump body (32); and the number of the first and second groups,

one end of the transmission component (39) is in transmission connection with the motor (38), and the other end of the transmission component is provided with the eccentric wheel (36).

2. The novel water pump as claimed in claim 1, wherein a first mounting hole (371) is formed at one end of the connecting rod (37) close to the elastic partition (35), and a connecting head (373) with one end fixedly assembled with the elastic partition (35) is arranged at the first mounting hole (371) in a clearance mode.

3. The new water pump as claimed in claim 2, characterized in that said elastic partition (35) is provided with a thickened portion (351), said thickened portion (351) being provided with an insertion hole (352) for said connection head (373) to be inserted.

4. The new water pump as claimed in claim 2, characterized in that the connecting rod (37) is provided with a second mounting hole (372) for the eccentric (36) at the end remote from the elastic spacer (35).

5. The new water pump according to claim 1, characterized in that the eccentric wheel (36) is rotatably mounted in a pump housing (31) by a rotating shaft (30), and the pump body (32), the connecting rod (37), the elastic partition (35) and the transmission assembly (39) are further arranged in the pump housing (31).

6. The novel water pump as claimed in claim 1, characterized in that the elastic spacer (35) is provided with a mounting ring (353) at the periphery, and a pressing ring (324) for pressing the mounting ring (353) on the pump body (32) is detachably mounted on the pump body (32).

7. The new water pump according to claim 1, characterized in that said transmission assembly (39) comprises: a driving gear (391) mounted on a power output end of the motor (38); and the number of the first and second groups,

a driven gear (392) meshed with the driving gear (391) and coaxially connected with the eccentric wheel (36).

8. The new water pump as claimed in claim 1, characterized in that said outlet check valve (34) comprises thereon: a pipe body (341) attached to the water outlet (323); and the number of the first and second groups,

the valve comprises a first valve core (342) and a second valve core (343) which are arranged in a channel of the pipe body (341) and extend in a manner of approaching each other along the inner wall of the pipe body (341) to the water outlet direction, and a water outlet gap (344) is formed between the first valve core (342) and the second valve core (343).

9. The novel water pump as claimed in claim 8, wherein the water inlet check valve (33) is in a shape of a sheet, a water blocking portion (331) is disposed at a middle portion of the water inlet check valve, a water inlet hole (332) is disposed around the water blocking portion (331), a blocking frame (325) for blocking the water inlet check valve (33) from entering the pump cavity (321) is disposed at the position of the water inlet (322), and a space for the water inlet check valve (33) is disposed at an opposite side of the blocking frame (325).

10. A dental irrigator, comprising: a waterproof case (1);

a water storage device (2) arranged on the waterproof shell (1);

-a new water pump (3) according to any one of claims 1 to 8, fixedly fitted inside the water-stop casing (1); a water pumping pipe (4) which is arranged on the water inlet (322) through the waterproof shell (1) and is communicated with the water storage device (2);

the control device (5) is embedded on the waterproof shell (1) and is electrically connected with the novel water pump (3);

a power supply (6) which is arranged in the waterproof shell (1) and is electrically connected with the control device (5); and the nozzle (7) is arranged at the water inlet (322) through the water-stop shell (1).