阅读说明：本技术 一种防漏水泵及洗牙器 (Leak protection water pump and tooth washing device ) 是由 黄嘉诚 李玉彬 邹休 王志东 赵玉强 于 2020-08-26 设计创作，主要内容包括：本发明公开了一种防漏水泵,泵体包括壳体和活塞装置,驱动装置连接于活塞装置,以带动活塞装置于壳体内做往复运动,活塞装置将壳体分隔成泵水腔体和防漏腔体；泵水腔体设有进水口和出水口,防漏腔体设有排水口,排水口用以供渗漏至防漏腔体的洗牙液排出使用。通过上述结构的设置,活塞移向防漏腔体,泵水腔体压力变小,洗牙液由进水口泵入；活塞移向泵水腔体,泵水腔体压力变大,洗牙液由出水口泵出；而洗牙液渗漏至防漏腔体时,排水口可将洗牙液排出,保护其内的电路元件等结构,保障用户的使用安全,提升用户的使用体验,延长产品的使用寿命,结构简单,使用方便,设计合理。(The invention discloses a leakage-proof water pump, wherein a pump body comprises a shell and a piston device, a driving device is connected to the piston device to drive the piston device to reciprocate in the shell, and the shell is divided into a water pumping cavity and a leakage-proof cavity by the piston device; the water pumping cavity is provided with a water inlet and a water outlet, the leakage-proof cavity is provided with a water outlet, and the water outlet is used for discharging the tooth washing liquid leaked to the leakage-proof cavity. Through the arrangement of the structure, the piston moves to the leakage-proof cavity, the pressure of the water pumping cavity is reduced, and the tooth washing liquid is pumped in from the water inlet; the piston moves to the water pumping cavity, the pressure of the water pumping cavity is increased, and the tooth washing liquid is pumped out from the water outlet; and when the tooth cleaning solution seepage during to the leak protection cavity, the outlet can discharge tooth cleaning solution, protects circuit element isotructure in it, ensures user's safe in utilization, promotes user's use and experiences, prolongs the life of product, simple structure, convenient to use, reasonable in design.)

1. A leak-proof water pump comprises a driving device (1) and a pump body (2), and is characterized in that the pump body (2) comprises a shell (21) and a piston device (22), the driving device (1) is connected to the piston device (22) to drive the piston device (22) to reciprocate in the shell (21), and the piston device (22) divides the shell (21) into a water pumping cavity (23) and a leak-proof cavity (24); the pump water cavity (23) is provided with a water inlet (231) and a water outlet (232), the leakage-proof cavity (24) is provided with a water outlet (241), and the water outlet (241) is used for leaking to discharge the tooth washing liquid of the leakage-proof cavity (24).

2. The leakproof water pump as claimed in claim 1, wherein the piston device (22) comprises a connecting rod (25), a piston (26) and a sealing member (27), one end of the connecting rod (25) is connected to the driving device (1), the other end of the connecting rod (25) is connected to the piston (26), the sealing member is sleeved on the piston (26), and the sealing member (27) abuts against the inner wall of the housing (21).

3. The leakproof water pump according to claim 2, characterized in that the sealing member (27) comprises a connecting part (271), a first protruding part (272) and a second protruding part (273), the piston (26) is provided with a first mounting groove (261), the connecting part (271) is mounted in the first mounting groove (261) so that the sealing member (27) covers the upper part of the piston (26), and the first protruding part (272) and the second protruding part (273) are both pressed against the inner wall of the housing (21).

4. The leakproof water pump according to claim 2, further comprising a sealing cover (3), wherein the connecting rod (25) is sleeved with the sealing cover (3), and the other end of the sealing cover (3) is connected to the housing (21).

5. The leak-proof water pump according to claim 4, further comprising a limiting plate (4), wherein the limiting plate (4) is provided with a limiting groove (41), the sealing cover (3) is provided with a limiting block (31), the limiting block (31) is arranged in the limiting groove (41), and the limiting plate (4) covers the housing (21) so that the limiting block (274) abuts against the inner wall of the limiting groove (41) and the housing (21).

6. The leakage-proof water pump of claim 1, further comprising a water inlet pipe (51), a water inlet end cover (52) and a first sealing rubber ring (53), wherein a second mounting groove (212) is formed at the water inlet (231), the water inlet end cover (52) is provided with a first sealing groove (521), the first sealing rubber ring (53) is arranged in the first sealing groove (521), the water inlet end cover (52) is inserted in the second mounting groove (212), so that the first sealing rubber ring (53) is abutted against the inner wall of the second mounting groove (212) and the inner wall of the first sealing groove (521), and the water inlet pipe (51) is inserted in the water inlet end cover (52).

7. The leakproof water pump according to claim 1, further comprising a water outlet end cover (61) and a second sealing rubber ring (62), wherein a third mounting groove (213) is formed at the water outlet (232), the water outlet end cover (61) is provided with a second sealing groove (611), the second sealing rubber ring (62) is disposed in the second sealing groove (611), and the water outlet end cover (61) is inserted into the third mounting groove (213) so that the second sealing rubber ring (611) abuts against the inner wall of the third mounting groove (213) and the inner wall of the second sealing groove (611).

8. The leakage-proof water pump according to claim 1, further comprising a drain pipe (7), wherein one end of the drain pipe (7) is sleeved on the drain opening (241), and the other end of the drain opening (241) is communicated to the outside of the tooth washing device shell.

9. The leakage-proof water pump according to claim 1, further comprising a first check means (81), a second check means (82) and a third check means (83), said first check means (81) being provided at said water inlet (231) for allowing the tooth-washing liquid to enter therethrough and preventing the tooth-washing liquid from flowing back; the second non-return device (82) is arranged at the water outlet (232) and is used for allowing the tooth washing liquid to flow out and preventing the tooth washing liquid from flowing back; the third check means (83) is provided to the drain opening (241) to allow the tooth washing solution to flow out therefrom and prevent the tooth washing solution from flowing back.

10. A dental prophylaxis pump (101) for a dental prophylaxis device according to any one of claims 1 to 9, a body shell (102) and a dental prophylaxis nozzle (103), the prophylaxis pump (101) being mounted in the body shell (102), the dental prophylaxis nozzle (103) being inserted into the water outlet (232) for spraying a dental rinse.

Technical Field

The invention relates to the technical field of tooth cleaning, in particular to an anti-leakage water pump and a tooth washing device.

Background

With the development of society, the requirements of people on living standard are higher and higher, and more people are pursuing the quality of life. For example: people are beginning to focus on their own tooth whitening and health. Furthermore, because the dental rinser is expensive and needs a long time to be used in oral hospitals for nursing teeth, the rinser is more and more popular. However, with the continuous use of the tooth washing device, the pump body part of the tooth washing device is easy to leak water, and once the water leaks into the tooth washing device, the internal circuit of the product is easy to be short-circuited, so that danger is brought to users; the product is easy to rust, the service life of the product is influenced, and the use experience of a user is influenced. Therefore, the invention provides an anti-leakage water pump and a tooth washing device, which aim to solve the problems.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the leakage-proof water pump and the tooth washing device, which have the advantages of simple structure, convenience in use and good waterproof sealing effect.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the invention provides a leakage-proof water pump, wherein a pump body comprises a shell and a piston device, a driving device is connected to the piston device to drive the piston device to reciprocate in the shell, and the shell is divided into a water pumping cavity and a leakage-proof cavity by the piston device; the water pumping cavity is provided with a water inlet and a water outlet, the leak-proof cavity is provided with a water outlet, and the water outlet is used for discharging the tooth washing liquid leaked to the leak-proof cavity.

Further, the piston device comprises a connecting rod, a piston and a sealing element, one end of the connecting rod is connected to the driving device, the other end of the connecting rod is connected to the piston, the sealing element is sleeved on the piston, and the sealing element is abutted to the inner wall of the shell.

Further, the sealing element comprises a connecting part, a first protruding part and a second protruding part, the piston is provided with a first mounting groove, the connecting part is mounted in the first mounting groove, so that the sealing element is wrapped on the upper part of the piston, and the first protruding part and the second protruding part are abutted against the inner wall of the shell.

Further, the anti-leakage water pump further comprises a sealing cover, the connecting rod is sleeved with the sealing cover, and the other end of the sealing cover is connected to the shell.

Further, this leak protection water pump still includes the limiting plate, the casing is equipped with the spacing groove, the sealing member is equipped with the stopper, the stopper set up in the spacing groove, the limiting plate lid fits the spacing groove, so that the stopper support the top in the spacing inslot wall with the limiting plate.

Further, this leak protection water pump still includes inlet tube, water inlet end cover and first sealed rubber ring, water inlet department is equipped with the second mounting groove, the water inlet end cover is equipped with first seal groove, first sealed rubber ring set up in first seal groove, the water inlet end cover cartridge in the second mounting groove, so that first sealed rubber ring support push up in second mounting groove inner wall and first seal groove inner wall, the inlet tube cartridge in the water inlet end cover.

Furthermore, this leak protection water pump still includes a water outlet end cover and a second sealing rubber ring, water outlet department is equipped with the third mounting groove, water outlet end cover is equipped with the second seal groove, the second sealing rubber ring set up in the second seal groove, water outlet end cover cartridge in the third mounting groove, so that the second sealing rubber ring support the top in third mounting groove inner wall and second seal groove inner wall.

Furthermore, the anti-leakage water pump also comprises a water drainage pipe, one end of the water drainage pipe is sleeved on the water drainage port, and the other end of the water drainage port is communicated to the outside of the tooth washing device shell.

Further, the anti-leakage water pump also comprises a first check device, a second check device and a third check device, wherein the first check device is arranged at the water inlet and is used for allowing the tooth washing liquid to enter and preventing the tooth washing liquid from flowing back; the second non-return device is arranged at the water outlet and is used for allowing the tooth washing liquid to flow out and preventing the tooth washing liquid from flowing back; the third non-return device is arranged at the water outlet and is used for allowing the tooth washing liquid to flow out and preventing the tooth washing liquid from flowing back.

The invention also discloses a tooth washing device, which comprises the anti-leakage water pump of the tooth washing device, a machine body shell, a tooth washing device spray head and a water tank, wherein the anti-leakage water pump is arranged in the machine body shell, the tooth washing device spray head is inserted into the water outlet and is used for spraying tooth washing liquid, and the water tank is connected with the water inlet pipe and is used for containing the tooth washing liquid.

The invention has the beneficial effects that: through the arrangement of the structure, the piston moves to the leakage-proof cavity, the pressure of the water pumping cavity is reduced, and the tooth washing liquid is pumped in from the water inlet; the piston moves to the water pumping cavity, the pressure of the water pumping cavity is increased, and the tooth washing liquid is pumped out from the water outlet; and when the tooth cleaning solution seepage during to the leak protection cavity, the outlet can discharge tooth cleaning solution, protects circuit element isotructure in it, ensures user's safe in utilization, promotes user's use and experiences, prolongs the life of product, simple structure, convenient to use, reasonable in design.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings may be obtained according to the drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic illustration of the explosive structure of a first embodiment of the present invention;

FIG. 2 is a schematic view of a cutaway structure of the present invention;

FIG. 3 is a schematic structural diagram of a second embodiment of the present invention;

FIG. 4 is a schematic diagram of an explosive structure of a second embodiment of the present invention

Fig. 5 is an enlarged view of fig. 2 at circle a.

Detailed Description