CN112746952A

CN112746952A - Tooth flushing device and water suction pump for tooth flushing device

Info

Publication number: CN112746952A
Application number: CN202110033139.6A
Authority: CN
Inventors: 麦华彬
Original assignee: Aigdoo Shenzhen Technology Co ltd S
Current assignee: Aigdoo Shenzhen Technology Co ltd S
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-05-04
Also published as: WO2022147929A1

Abstract

The invention relates to a tooth flushing device and a water pump for the tooth flushing device, wherein the water pump for the tooth flushing device comprises a pump body and a piston assembly which can reciprocate and is arranged in the pump body; an accommodating cavity for accommodating lubricating oil is arranged between the inner side wall of the pump body and the piston assembly; and an oil injection channel communicated with the accommodating cavity and used for injecting lubricating oil into the accommodating cavity is arranged on the side wall of the pump body. This a suction pump for towards tooth ware sets up oiling passageway through on the lateral wall of the pump body to can pour into lubricating oil into in the holding chamber between the inside wall of this pump body and this piston assembly at the settlement time, thereby avoid leading to piston wearing and tearing because of the lubricating oil in this pump body is used up, and then should towards tooth ware and use inconveniently or scrap.

Description

Tooth flushing device and water suction pump for tooth flushing device

Technical Field

The invention relates to a tooth cleaning appliance, in particular to a tooth flusher and a water suction pump for the tooth flusher.

Background

The tooth flusher in the related art needs to add lubricating oil between the body of the water suction pump and the piston assembly so as to facilitate the movement of the piston assembly. In the related art, lubricating oil is injected in advance, and when the lubricating oil is used up, the lubricating oil cannot be added automatically, so that the piston is abraded, and the smoothness of the movement of the piston assembly is weakened.

Disclosure of Invention

The invention aims to provide an improved water suction pump for a tooth flushing device, and further provides an improved tooth flushing device.

The technical scheme adopted by the invention for solving the technical problems is as follows: constructing a water suction pump for a tooth flushing device, which comprises a pump body and a piston assembly which can be arranged in the pump body in a reciprocating manner;

an accommodating cavity for accommodating lubricating oil is arranged between the inner side wall of the pump body and the piston assembly;

and an oil injection channel communicated with the accommodating cavity and used for injecting lubricating oil into the accommodating cavity is arranged on the side wall of the pump body.

Preferably, an oil injection pipe communicated with the accommodating cavity for injecting lubricating oil into the accommodating cavity is arranged on the side wall of the pump body;

the oil filling channel is arranged in the oil filling pipe.

Preferably, the filler pipe extends towards the outside of the pump body; one end of the oil injection pipe, which is far away from the accommodating cavity, is provided with an access port for accessing lubricating oil;

the access port is detachably provided with a cover cap.

Preferably, the water suction pump further comprises an oil storage tank communicated with the oil filling channel.

Preferably, an opening for filling lubricating oil is formed in one end, far away from the oil filling channel, of the oil storage tank;

the opening is detachably provided with a cover cap.

Preferably, the water pump further comprises a power mechanism for pressing the lubricating oil in the oil storage tank into the oil filling channel;

the power mechanism comprises a pressure lever which extends into the oil storage tank from one end far away from the oil injection channel and can press lubricating oil into the oil injection channel through reciprocating motion.

Preferably, an opening is formed in the oil storage tank, and a pushing member capable of reciprocating in the oil storage tank to push lubricating oil in the oil storage tank out of the oil filling channel to the accommodating cavity is arranged in the oil storage tank;

a water pumping channel for pumping water out of the piston assembly is arranged in the pump body; the piston assembly makes the water pumping channel inject water to form power to drive the pushing piece to reciprocate through reciprocating motion in the pump body.

Preferably, the oil storage tank is arranged on the piston assembly and is communicated with the accommodating cavity through the oil injection channel, and the pushing piece is arranged close to the water pumping channel.

Or the oil storage tank is arranged on the outer side of the pump body, and a communication channel communicated with the water pumping channel is arranged at the opening of the oil storage tank; the pushing piece comprises a pushing part for pushing out the lubricating oil in the oil storage tank and a matching part penetrating into the communication channel.

Preferably, the accommodating cavity comprises a first cavity and a second cavity, and the first cavity and the second cavity are sequentially arranged along the movement direction of the piston assembly;

the oil storage tank set up in the outside of the pump body, the oiling passageway is including the intercommunication the oil storage chamber with the first oiling passageway of first cavity and intercommunication the oil storage chamber with the second oiling passageway of second cavity.

The invention also constructs a tooth flushing device which comprises a shell, the water suction pump arranged in the shell and used for the tooth flushing device, and a nozzle assembly arranged on the shell and connected with the water suction pump.

The water pump for the tooth flushing device and the tooth flushing device have the following beneficial effects that: this a suction pump for towards tooth ware sets up oiling passageway through on the lateral wall of the pump body to can pour into lubricating oil into in the holding chamber between the inside wall of this pump body and this piston assembly at the settlement time, thereby avoid leading to piston wearing and tearing because of the lubricating oil in this pump body is used up, and then should towards tooth ware and use inconveniently or scrap.

Drawings

The invention will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a cross-sectional view of a dental irrigator according to a first embodiment of the present invention;

FIG. 2 is a schematic view of a portion of the dental irrigator of FIG. 1;

FIG. 3 is a schematic structural view of a dental irrigator according to a second embodiment of the present invention;

FIG. 4 is a schematic view of a portion of the dental irrigator of FIG. 3;

FIG. 5 is a schematic structural view of a tooth irrigator according to a third embodiment of the present invention;

FIG. 6 is a schematic view of a portion of the dental irrigator of FIG. 5;

FIG. 7 is a schematic structural view of a tooth irrigator according to a fourth embodiment of the present invention;

FIG. 8 is a schematic view of a portion of the dental irrigator of FIG. 7;

FIG. 9 is a schematic structural view of a tooth irrigator according to a fifth embodiment of the present invention;

fig. 10 is a partial structural schematic view of the tooth irrigator shown in fig. 9.

Detailed Description

For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

Fig. 1 and 2 show a first embodiment of the dental prophylaxis device of the present invention. The tooth washing device has the advantages of convenient use, long service life and low use cost. In some embodiments, the dental prophylaxis device may include a housing 20, a suction pump 10, and a nozzle assembly 30. The housing 20 may be used to house the water pump 10 and may form a reservoir for storing a cleaning solution. The water pump 10 may be disposed in the housing 10, and may be used to pump out the cleaning solution in the liquid storage cavity of the housing 10. The nozzle assembly 30 may be disposed at one end of the housing 10, and may be connected to the water pump 10 for spraying the cleaning solution.

Further, in the present embodiment, the water pump 10 may be used for a dental irrigator, although it is understood that in other embodiments, the water pump 10 may not be limited to use with a dental irrigator. The pump 10 may include a pump body 11, and a piston assembly 12. The pump body 11 is a hollow structure, and can be filled with the piston assembly 12 and can be used for the piston assembly 12 to reciprocate. In some embodiments, the piston assembly 12 may be disposed in the pump body 11 and may reciprocate in the pump body 11 to pump the cleaning fluid from the reservoir in the housing 10 to the nozzle assembly 30.

Further, in the present embodiment, the piston assembly 12 may include a piston 121 and a waterproof sealing sleeve 122. The piston 121 is disposed in the pump body 11 in a reciprocating manner, the waterproof sealing sleeve 122 is disposed on the piston 121, and the waterproof sealing sleeve 122 may be an elastic structure. In some embodiments, the waterproof sealing sleeve 122 may be a silicone sleeve or a rubber sleeve. This waterproof sealing boot 122's the biggest radial dimension can with the radial dimension looks adaptation in this pump body 11, and then can with the inside wall butt of this pump body 11 to form sealing connection, thereby can avoid the cavity of piston 121 one end and the cavity intercommunication of the piston 121 other end, avoid liquid from the cavity of piston 121 one end towards the cavity weeping of the piston 122 other end.

Further, in this embodiment, an accommodating cavity 111 may be disposed between the inner sidewall of the pump body 11 and the piston assembly 12, the accommodating cavity 111 may be located on the waterproof sealing sleeve 122, the circumferential direction of the waterproof sealing sleeve 122 may be disposed on the outer circumferential wall of the waterproof sealing sleeve 122, and the accommodating cavity 111 may be an annular cavity. The receiving cavity 111 can be used for receiving lubricating oil.

Further, in the present embodiment, a filler pipe 13 may be disposed on a sidewall of the pump body 11, the filler pipe 13 may extend toward an outer side of the pump body 11, and in some embodiments, the filler pipe 131 may extend radially toward the outer side of the pump body 11 to a sidewall of the housing 20. The oil filling pipe 131 can be communicated with the accommodating cavity 111, so that lubricating oil can be injected into the accommodating cavity 111 through the oil filling pipe 131, the lubricating oil can be timely added into the accommodating cavity 111 at set time or when the lubricating oil is used up, and the phenomenon that the tooth flushing device is inconvenient to use or scrapped due to abrasion of the piston 121 is avoided. In some embodiments, an oil filling channel 131 may be disposed on a side wall of the pump body 11, and the oil filling channel 131 may be formed in the oil filling pipe 13 and may communicate with the accommodating cavity 111 to fill the accommodating cavity 111 with lubricating oil. In some embodiments, the oil injection channel 131 may be tapered, and the radial dimension thereof may gradually decrease toward one end of the receiving cavity 111, so as to increase the pressure of oil injection.

Further, in this embodiment, an access port may be disposed at an end of the oil filling pipe 13 away from the accommodating cavity 111, and the access port may be accessed by the lubricating oil. In some embodiments, the water pump for the tooth flushing device may further include a cap 14, wherein the cap 14 is detachably disposed at the access port, and can cover the oil filling channel 131 when oil filling is not needed, so as to avoid oil leakage. When oil injection is required, the cap 14 can be opened for oil injection. In some embodiments, the cap 14 can be removably coupled to the access port by providing a snap-fit arrangement. Of course, it is understood that in other embodiments, the cap 14 may be threaded with the access port by providing a threaded structure.

Figures 3 and 4 show a second embodiment of the dental irrigator of the invention which differs from the first embodiment in that it further comprises a reservoir 15. The oil storage tank 15 may be disposed on an outer side wall of the pump body 11, may be located in the housing 11, and may extend to a top wall of the housing 11 along a longitudinal direction of the housing 11. The oil reservoir 15 may be disposed to communicate with the oil filling passage 131, and the oil reservoir 15 may be used to store lubricating oil. In this embodiment, an opening may be formed at an end of the oil storage tank 15 away from the oil filling channel 131, and the opening may be formed at a top wall of the housing 11, and the opening may be used for filling the oil storage tank 15 with lubricating oil.

In this embodiment, a cap 14 may be disposed on the opening, and the cap 14 may be detachably connected to the opening. The cap 14 may be used to cover the opening to avoid oil leakage. When the oil tank 15 needs to be filled with oil, the cap 14 is opened to fill the oil. In some embodiments, the cap 14 may be removably coupled to the opening by providing a snap-fit arrangement, or may be removably coupled to the opening by providing a threaded arrangement.

In this embodiment, the water pump may further include a power mechanism, and the power mechanism 16 may be disposed to extend into the oil storage tank 15 and may be configured to press the lubricant in the oil storage tank 15 into the oil filling channel 131. In some embodiments, the power mechanism 16 may be a pressing rod, which can extend into the oil storage tank 15 from an end away from the oil filling channel 131 and can reciprocate along the longitudinal direction of the oil storage tank 15, so as to press the lubricating oil into the oil filling channel 131, thereby filling the accommodating cavity 111 with oil. In use, the user can open the cap 14 when the set time period or the lubricant in the receiving cavity 111 is used up, and press the pressing rod by using a tool, such as a screwdriver, so that the lubricant can be injected into the receiving cavity 111, thereby preventing the lubricant from drying out and causing the abrasion of the piston 121.

Fig. 5 and 6 show a third embodiment of the tooth irrigator of the present invention, which is different from the second embodiment in that the water pump can automatically fill the receiving cavity 111 with lubricant, so as to improve the convenience of filling the lubricant.

In this embodiment, the pump body 11 may be disposed in a pumping channel 112, the pumping channel 112 may be in communication with the nozzle assembly 30, and the pumping channel 112 may allow the piston assembly 12 to pump water to the nozzle assembly 30.

In this embodiment, the oil reservoir 15 may be disposed on the piston assembly 12, and specifically, the oil reservoir 15 may be disposed on a piston rod of the piston assembly 12 and may be disposed along an axial direction of the piston rod. The filler pipe 13 may be disposed on the inner sidewall of the pump body 11 and may extend radially toward the waterproof sealing sleeve 122, so as to communicate the liquid storage cavity 15 with the accommodating cavity 111. In some embodiments, the filler pipe 13 may be plural, and the plurality of filler pipes 13 may be provided at intervals along the circumferential direction of the pump body 11. In this embodiment, the reservoir 15 may be provided with an opening which may be arranged flush with the end surface of the piston rod of the piston 12. In the present embodiment, a pushing member 151 may be disposed in the oil reservoir 15, and the pushing member 151 may be reciprocally movable in the oil reservoir 15 in the direction in which the piston assembly 12 moves, and may push the lubricating oil in the oil reservoir 15 out of the oil filling channel 131 into the accommodating chamber 111 by the reciprocal movement. In some embodiments, the cross-sectional dimension of the pushing member 151 can be adapted to the cross-sectional dimension of the reservoir 15, so that the reservoir 15 can be divided into two chambers that are not communicated with each other during movement. In this embodiment, the pushing member 151 may be disposed near the pumping channel 112, and when the piston assembly 12 reciprocates in the pump body 11, the pushing member 151 may be driven to reciprocate by the power generated by the water injected into the pumping channel 112.

Fig. 7 and 8 show a fourth embodiment of the tooth irrigator of the invention, which differs from the third embodiment in that the oil reservoir 15 can be arranged outside the pump body 11, and the filler pipe 13 can extend towards the outside of the pump body 11, communicating the oil reservoir 15 with the housing chamber 111.

In this embodiment, the opening of the oil storage tank 15 may be provided with a communication passage 152 communicating with the water pumping passage 112, and the communication passage 152 may allow part of the water in the water pumping passage 112 to enter the chamber above the pushing member 151 of the oil storage chamber 15. The pushing member 151 may include a pushing portion 1511 and a fitting portion 1512, the pushing portion 1511 may be located in the oil storage tank 15, and the cross-sectional dimension may be adapted to the cross-sectional dimension of the oil storage tank 15, the fitting portion 1512 may be disposed at one end of the pushing portion 1511 and may penetrate into the communicating channel 152, when the communicating channel 152 is filled with water, water pressure may be generated to drive the fitting portion 1512 to press down, so as to drive the pushing portion 1511 to push the lubricating oil in the oil storage tank 15 to push out.

Fig. 9 and 10 illustrate a fifth embodiment of the present invention, which is different from the third embodiment in that the receiving chamber 111 may include a first chamber 1111 and a second chamber 1112, and the first chamber 1111 and the second chamber 1112 may be sequentially disposed along the moving direction of the piston assembly 12. Specifically, a protrusion protruding toward the waterproof sealing sleeve 122 may be disposed in the accommodating cavity 111, and the accommodating cavity 111 may be divided into a first cavity 1111 and a second cavity 1112 by the protrusion.

In this embodiment, the oil storage tank 15 may be disposed outside the pump body 11, and the oil pipe 13 may include two oil pipes 13, and the two oil pipes 13 may be disposed corresponding to the two first cavities 1111 and the second cavity 112. In some embodiments, the oil filling passage 131 may include a first oil filling passage 131a and a second oil filling passage 131b, and the first oil filling passage 131a and the second oil filling passage 131b may be provided in one-to-one correspondence with the two oil filling pipes 13. The first oil passage 131a may communicate the oil reservoir 15 with the first cavity 1111, and the second oil passage 131b may communicate the oil reservoir 15 with the second cavity 1112. When the piston assembly 12 moves, the volumes of the first chamber 1111 and the second chamber 1112 change, so that the piston assembly 12 can discharge or draw the lubricating oil from the oil reservoir 15, thereby recycling the lubricating oil in the piston assembly 12 and maintaining the state that the lubricating oil is always in the accommodating chamber 111.

It is to be understood that the foregoing examples, while indicating the preferred embodiments of the invention, are given by way of illustration and description, and are not to be construed as limiting the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.

Claims

1. A suction pump for a dental irrigator, comprising a pump body (11), a piston assembly (12) reciprocally disposed in said pump body (11);

an accommodating cavity (111) for accommodating lubricating oil is arranged between the inner side wall of the pump body (11) and the piston assembly (12);

and an oil filling channel (131) communicated with the accommodating cavity (111) and used for filling lubricating oil into the accommodating cavity (111) is arranged on the side wall of the pump body (11).

2. The suction pump for the tooth flusher according to claim 1, characterized in that an oil filling pipe (13) which is communicated with the accommodating cavity (111) to fill the accommodating cavity (111) with lubricating oil is arranged on the side wall of the pump body (11);

the oil filling passage (131) is provided in the oil filling pipe (13).

3. The suction pump for a dental irrigator according to claim 2, characterized in that said filling pipe (13) extends towards the outside of the pump body (11); one end of the oil injection pipe (13), which is far away from the accommodating cavity (111), is provided with an access port for accessing lubricating oil;

a cap (14) is detachably arranged at the access opening.

4. The suction pump for a dental irrigator according to claim 1, further comprising a reservoir (15) communicating with the priming channel (131).

5. The suction pump for a water pick-up device as claimed in claim 4, characterized in that the end of the oil reservoir (15) remote from the filling channel (131) is provided with an opening for filling in lubricating oil;

the opening is detachably provided with a cover cap (14).

6. The suction pump for a dental irrigator according to claim 4, further comprising a power mechanism (16) for pressing the lubricant in the reservoir (15) into the filling channel (131);

the power mechanism (16) comprises a pressure rod which extends into the oil storage tank (15) from one end far away from the oil filling channel (131) and can press lubricating oil into the oil filling channel (131) through reciprocating motion.

7. The suction pump for a water pick-up device as claimed in claim 4, wherein the oil storage tank (15) is provided with an opening, and the oil storage tank (15) is provided therein with a pushing member (151) which can reciprocate in the oil storage tank (15) to push the lubricating oil in the oil storage tank (15) out of the oil filling channel (131) to the accommodating chamber (111);

a water pumping channel (112) for pumping water out of the piston assembly (12) is arranged in the pump body (11); the piston assembly (12) makes the water pumping channel (112) inject water to form power to drive the pushing piece (151) to reciprocate through reciprocating motion in the pump body (11).

8. The suction pump for a dental irrigator according to claim 7, wherein said oil reservoir (15) is provided on said piston assembly (12) and communicates with said housing chamber (111) through said oiling channel (131), said pusher (151) being provided close to said pumping channel (112);

or the oil storage tank (15) is arranged on the outer side of the pump body (11), and a communication channel (152) communicated with the water pumping channel (112) is arranged at the opening of the oil storage tank (15); the urging member (151) includes an urging portion (1511) that urges out the lubricating oil in the oil reservoir (15) and a fitting portion (1512) that is provided so as to penetrate the communication passage (152).

9. The suction pump for a water pick according to claim 4, characterized in that said housing chamber (111) comprises a first cavity (1111) and a second cavity (1112), said first cavity (1111) and said second cavity (1112) being arranged in succession along the direction of movement of said piston assembly (12);

oil storage tank (15) set up in the outside of pump body (11), oiling passageway (131) are including the intercommunication oil storage chamber (15) with first oiling passageway (131a) of first cavity (1111) and intercommunication oil storage chamber (15) with second oiling passageway (131b) of second cavity (1112).

10. A dental irrigator, characterized by comprising a housing (20), a suction pump (10) for a dental irrigator according to any one of claims 1 to 9 arranged in said housing (20), and a nozzle assembly (30) arranged on said housing (20) and connected to said suction pump (10).