CN115324860A

CN115324860A - Water pump structure of tooth flushing device and tooth flushing device

Info

Publication number: CN115324860A
Application number: CN202211064516.3A
Authority: CN
Inventors: 刘信全
Original assignee: Fly Cat Electrical Co Ltd
Current assignee: Fly Cat Electrical Co Ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2022-11-11

Abstract

The application provides a water pump structure and towards tooth ware of tooth ware. The water pump structure includes: a pump body and a movable cylinder; the movable barrel is sleeved outside the pump body and is in sliding connection with the surface of the pump body; a water flow channel is arranged inside the pump body; when the movable cylinder moves in a direction away from the pump body, a cavity between the movable cylinder and the pump body is enlarged, and external liquid flows into the cavity through the water flow channel; when the movable cylinder moves towards the direction close to the pump body, the cavity between the movable cylinder and the pump body is reduced, and liquid in the cavity flows out through the water flow channel. This application adopts the assembly methods who cup joints, makes a movable section of thick bamboo is followed the surperficial slip of the pump body can promote a movable section of thick bamboo's motion stability to effective noise reduction and wearing and tearing.

Description

Water pump structure of tooth flushing device and tooth flushing device

Technical Field

The application relates to the technical field of tooth flushing devices, in particular to a water pump structure of a tooth flushing device and the tooth flushing device.

Background

The tooth flusher is one kind of oral cavity cleaning product, and includes mainly water pump, water storing tank and nozzle.

The design of tooth washing device water pump structure on the present market generally adopts the piston pump, including the pump body, piston, connecting rod and eccentric wheel subassembly, the one end of piston and the inner chamber sliding connection of the pump body, the other end is connected with the one end of connecting rod, and the other pot head of connecting rod is established on the eccentric wheel subassembly, drives the connecting rod swing through the eccentric wheel subassembly, and the connecting rod drives the piston along the inner chamber reciprocating motion of the pump body, reaches the purpose that absorbs water and the drainage.

However, in the existing tooth flusher piston pump, the stability of assembling the piston and the pump body is not strong, and the piston has poor motion stability due to complex stress (axial stress besides radial stress) in the motion process, and is easy to wear in the reciprocating motion process.

Disclosure of Invention

In view of the above, the present application is proposed to provide a water pump structure of a dental irrigator and a dental irrigator which overcome or at least partially solve the above problems, including:

a water pump structure of a water toothpick, comprising: a pump body and a movable cylinder;

the movable barrel is sleeved outside the pump body and is in sliding connection with the surface of the pump body; a water flow channel is arranged inside the pump body;

when the movable cylinder moves in a direction away from the pump body, a cavity between the movable cylinder and the pump body is enlarged, and external liquid flows into the cavity through the water flow channel;

when the movable cylinder moves towards the direction close to the pump body, the cavity between the movable cylinder and the pump body is reduced, and liquid in the cavity flows out through the water flow channel.

Preferably, the device further comprises a sealing ring; the sealing ring is embedded outside the pump body and is in interference connection with the inner wall of the movable cylinder.

Preferably, the sealing ring comprises a fixing part and an extending part which are integrally connected; the fixed part is embedded in the surface of the pump body; the longitudinal section of the extension part is Y-shaped.

Preferably, the surface of the pump body is provided with a water inlet and a water outlet; one end of the water flow channel is communicated with the inner cavity of the movable cylinder, and the other end of the water flow channel is connected with the water inlet and the water outlet respectively.

A water tooth flushing device comprises a shell, a nozzle, a water tank, a power supply assembly, a driving assembly and a water pump structure as described in any one of the above items; the power supply assembly, the driving impedance and the water pump structure are respectively arranged inside the shell; the power supply assembly is electrically connected with the driving assembly; the driving component is connected with the movable cylinder and drives the movable cylinder to reciprocate along the surface of the pump body; the nozzle and the water tank are respectively connected to the surface of the shell; the water outlet of the pump body is connected with the nozzle; and the water inlet of the pump body is connected with the water tank.

Preferably, the driving assembly comprises a rotating motor, a motor gear, a transmission gear, a cam, a connecting rod and a ball head assembly; the power supply assembly is electrically connected with the rotating motor; the motor gear is fixed on a rotating shaft of the rotating motor; the transmission gear is meshed with the motor gear; the cam is arranged on the end face of the transmission gear and is not coaxially arranged with the transmission gear; one end of the connecting rod is sleeved outside the cam, and the other end of the connecting rod is connected with the movable barrel through the ball head assembly.

Preferably, the ball head assembly comprises a ball head and a fitting; the bulb is connected with the end part of the movable cylinder; the fitting is connected with an end of the connecting rod; a groove corresponding to the ball head in shape is formed in the assembly part; the ball head is clamped in the groove.

Preferably, the ball head assembly comprises a ball head and a fitting; the ball head is connected with the end part of the connecting rod; the assembly is connected with the end part of the movable cylinder; a groove corresponding to the ball head in shape is formed in the assembly part; the ball head is clamped in the groove.

Preferably, the device also comprises a bracket assembly; the bracket assembly is mounted inside the shell; the pump body, the movable cylinder and the driving assembly are respectively installed in the support assembly.

Preferably, the bracket assembly comprises an upper bracket and a lower bracket; the pump body, the movable cylinder and the driving assembly are respectively installed between the upper support and the lower support.

The application has the following advantages:

in the embodiment of the application, the pump body and the movable barrel are used; the movable barrel is sleeved outside the pump body and is in sliding connection with the surface of the pump body; a water flow channel is arranged inside the pump body; when the movable cylinder moves in a direction away from the pump body, a cavity between the movable cylinder and the pump body is enlarged, and external liquid flows into the cavity through the water flow channel; when the movable cylinder moves towards the direction close to the pump body, the cavity between the movable cylinder and the pump body is reduced, and liquid in the cavity flows out through the water flow channel. The assembly mode of cup joint is adopted, so that the movable cylinder slides along the surface of the pump body, the motion stability of the movable cylinder can be improved, and the noise and the abrasion are effectively reduced.

Drawings

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

FIG. 1 is a schematic structural diagram of a water pump structure of a tooth flushing device according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a pump body and a sealing ring in a water pump structure of a tooth flushing device according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a pump body, a movable cylinder, a sealing ring, a driving assembly and a bracket assembly in the tooth irrigator according to an embodiment of the present application;

FIG. 4 is another schematic structural view of a pump body, a movable cylinder, a sealing ring, a driving assembly and a bracket assembly of the water toothpick provided by an embodiment of the present application;

FIG. 5 is a schematic structural diagram illustrating a pump body, a movable cylinder, a sealing ring, a driving assembly and a bracket assembly of the water irrigator according to an embodiment of the present disclosure in a water-absorbing state;

fig. 6 is a schematic structural diagram of a pump body, a movable cylinder, a sealing ring, a driving assembly and a bracket assembly in a water discharging state in the tooth irrigator according to an embodiment of the present application.

The reference numbers in the drawings of the specification are as follows:

100. a pump body; 110. a water flow channel; 120. a water inlet; 130. a water outlet; 200. a movable barrel; 300. a seal ring; 310. a fixed part; 320. an extension portion; 400. a drive assembly; 500. a bracket assembly.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, the present application is described in further detail with reference to the accompanying drawings and the detailed description. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

Referring to fig. 1-2, a water pump structure of a tooth flushing device according to an embodiment of the present application is shown, including: the pump body 100 and the movable barrel 200;

the movable cylinder 200 is sleeved outside the pump body 100 and is connected with the surface of the pump body 100 in a sliding manner; a water flow channel 110 is arranged inside the pump body 100;

when the movable cylinder 200 moves away from the pump body 100, a cavity between the movable cylinder 200 and the pump body 100 is enlarged, and external liquid flows into the cavity through the water flow passage 110;

when the movable cylinder 200 moves in a direction approaching the pump body 100, the cavity between the movable cylinder 200 and the pump body 100 is reduced, and the liquid in the cavity flows out through the water flow passage 110.

In the embodiment of the present application, the fluid is introduced through the pump body 100 and the movable barrel 200; the movable cylinder 200 is sleeved outside the pump body 100 and is connected with the surface of the pump body 100 in a sliding manner; a water flow channel 110 is arranged inside the pump body 100; when the movable cylinder 200 moves away from the pump body 100, a cavity between the movable cylinder 200 and the pump body 100 is enlarged, and external liquid flows into the cavity through the water flow passage 110; when the movable cylinder 200 moves in a direction approaching the pump body 100, the cavity between the movable cylinder 200 and the pump body 100 is reduced, and the liquid in the cavity flows out through the water flow passage 110. By adopting a sleeved assembly mode, the movable cylinder 200 slides along the surface of the pump body 100, so that the motion stability of the movable cylinder 200 can be improved, and the noise and the abrasion are effectively reduced.

Next, a structure of the water pump of the dental irrigator according to the present exemplary embodiment will be further described.

In this embodiment, a seal ring 300 is further included; the seal ring 300 is embedded outside the pump body 100 and is in interference fit with the inner wall of the movable cylinder 200. Specifically, an annular sealing groove is formed in the surface of the pump body 100; the sealing ring 300 is embedded inside the sealing groove. The sealing ring 300 is made of an elastic material and has good deformation capability. By arranging the sealing ring 300 between the pump body 100 and the movable cylinder 200, the sealing performance of the water pump structure can be improved, and liquid is prevented from being carried out by the movable cylinder 200 in the reciprocating process. Further, the seal ring 300 is fitted to the outside of the pump body 100, so that the assembly accuracy of the movable tube 200 and the pump body 100 is not affected.

In this embodiment, the sealing ring 300 includes a fixing portion 310 and an extending portion 320 that are integrally connected; the fixing portion 310 is embedded in the surface of the pump body 100; the longitudinal sectional shape of the extension 320 is "Y" shaped. Specifically, the longitudinal section of the sealing groove is concave, the fixing portion 310 is embedded in an opening on one side of the concave, the portion of the extending portion 320 corresponding to the I is embedded in an opening in the middle of the concave, and the portion of the extending portion 320 corresponding to the V is embedded in an opening on the other side of the concave. The seal ring 300 is tightly assembled with the pump body 100 by the above arrangement. In a natural state, a portion of the extension 320 corresponding to the "V" protrudes from the surface of the pump body 100, so that the sealing ring 300 and the movable cylinder 200 can be connected in an interference manner. The structural configuration of the sealing ring 300 can constantly compensate for the wear generated, avoiding the liquid being carried out by the movable cylinder 200 during the reciprocating movement. It should be noted that, in other embodiments, the longitudinal cross-sectional shape of the extension 320 may also be other shapes such as "K", "M", "O", or "X", and the application is not limited thereto.

In this embodiment, the surface of the pump body 100 is provided with a water inlet 120 and a water outlet 130; one end of the water flow channel 110 is communicated with the inner cavity of the movable cylinder 200, and the other end is connected with the water inlet 120 and the water outlet 130 respectively. Specifically, the water inlet 120 is provided with a water inlet check valve plate; the water outlet 130 is provided with a water outlet one-way valve plate. When the movable cylinder 200 moves away from the pump body 100, a cavity between the movable cylinder 200 and the pump body 100 is enlarged, and external liquid flows into the cavity through the water inlet 120 and the water flow channel 110 in sequence; when the movable cylinder 200 moves towards the direction close to the pump body 100, the cavity between the movable cylinder 200 and the pump body 100 is reduced, and the liquid in the cavity sequentially passes through the water flow channel 110 and the water outlet 130 and flows out.

Referring to fig. 3-6, in an embodiment of the present application, there is further provided a dental irrigator comprising a housing, a nozzle, a water tank, a power supply assembly, a drive assembly 400 and a water pump structure as described in any of the above embodiments; the power supply assembly, the driving impedance and the water pump structure are respectively arranged inside the shell; the power supply assembly is electrically connected with the driving assembly 400; the driving assembly 400 is connected with the movable cylinder 200 and drives the movable cylinder 200 to reciprocate along the surface of the pump body 100; the nozzle and the water tank are respectively connected to the surface of the shell; the water outlet 130 of the pump body 100 is connected with the nozzle; the water inlet 120 of the pump body 100 is connected to the water tank.

In this embodiment, the driving assembly 400 includes a rotating motor, a motor gear, a transmission gear, a cam, a connecting rod, and a ball head assembly; the power supply assembly is electrically connected with the rotating motor; the motor gear is fixed on a rotating shaft of the rotating motor; the transmission gear is meshed with the motor gear; the cam is arranged on the end face of the transmission gear and is not coaxially arranged with the transmission gear; one end of the connecting rod is sleeved outside the cam, and the other end of the connecting rod is connected with the movable cylinder 200 through the ball head assembly. When the motor gear is driven by the rotating motor to rotate, the transmission gear is driven by the motor gear to rotate, the cam is driven by the transmission gear to rotate, the connecting rod is driven by the cam to swing, and the movable cylinder 200 is driven by the connecting rod and the ball head assembly to reciprocate along the surface of the pump body 100. The ball head assembly has a good guiding function, can convert the rotating motion of the connecting rod into the reciprocating motion of the movable cylinder 200, has high kinetic energy conversion rate, and can reduce the influence of the radial swing of the connecting rod on the reciprocating motion of the movable cylinder 200.

In this embodiment, the ball assembly includes a ball and an assembly; the ball head is connected with the end part of the movable cylinder 200; the fitting is connected with an end of the connecting rod; a groove corresponding to the shape of the ball head is formed in the assembly part; the ball head is clamped in the groove. Specifically, the ball head is integrally connected to the movable cylinder 200.

In this embodiment, the ball assembly includes a ball and an assembly; the ball head is connected with the end part of the connecting rod; the fitting is connected to an end of the movable barrel 200; a groove corresponding to the ball head in shape is formed in the assembly part; the ball head is clamped in the groove. Specifically, the ball head is integrally connected with the connecting rod.

In this embodiment, a bracket assembly 500 is also included; the bracket assembly 500 is mounted inside the housing; the pump body 100, the movable cylinder 200 and the driving assembly 400 are respectively installed inside the bracket assembly 500. By providing the bracket assembly 500, the assembly stability of the pump body 100, the movable cylinder 200, and the driving assembly 400 can be improved.

In this embodiment, the bracket assembly 500 includes an upper bracket and a lower bracket; the pump body 100, the movable cylinder 200, and the driving assembly 400 are respectively installed between the upper bracket and the lower bracket. Specifically, the upper bracket and the lower bracket are connected through bolts or buckles.

While preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the true scope of the embodiments of the application.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "include", "including" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or terminal device including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such process, method, article, or terminal device. Without further limitation, an element defined by the phrases "comprising one of \ 8230; \8230;" does not exclude the presence of additional like elements in a process, method, article, or terminal device that comprises the element.

The above detailed description is given to the water pump structure of the tooth flushing device and the tooth flushing device, and the specific examples are applied herein to explain the principle and the implementation of the present application, and the description of the above examples is only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. A water pump structure of a tooth flushing device is characterized by comprising: a pump body and a movable cylinder;

2. The water pump structure of claim 1, further comprising a seal ring; the sealing ring is embedded outside the pump body and is in interference connection with the inner wall of the movable cylinder.

3. The water pump structure as claimed in claim 2, wherein the sealing ring includes a fixing portion and an extending portion integrally connected; the fixed part is embedded in the surface of the pump body; the longitudinal section of the extension part is Y-shaped.

4. The water pump structure according to claim 1, wherein a surface of the pump body is provided with a water inlet and a water outlet; one end of the water flow channel is communicated with the inner cavity of the movable cylinder, and the other end of the water flow channel is connected with the water inlet and the water outlet respectively.

5. A dental irrigator comprising a housing, a nozzle, a tank, a power module, a drive module and a pump arrangement according to any one of claims 1 to 4; the power supply assembly, the driving impedance and the water pump structure are respectively arranged inside the shell; the power supply assembly is electrically connected with the driving assembly; the driving component is connected with the movable cylinder and drives the movable cylinder to reciprocate along the surface of the pump body; the nozzle and the water tank are respectively connected to the surface of the shell; the water outlet of the pump body is connected with the nozzle; and the water inlet of the pump body is connected with the water tank.

6. The dental irrigator of claim 5 wherein said drive assembly comprises a rotary motor, a motor gear, a drive gear, a cam, a linkage and a bulb assembly; the power supply assembly is electrically connected with the rotating motor; the motor gear is fixed on a rotating shaft of the rotating motor; the transmission gear is meshed with the motor gear; the cam is arranged on the end face of the transmission gear and is not coaxially arranged with the transmission gear; one end of the connecting rod is sleeved outside the cam, and the other end of the connecting rod is connected with the movable barrel through the ball head assembly.

7. The dental irrigator of claim 6 wherein said bulb assembly includes a bulb and a fitting; the bulb is connected with the end part of the movable cylinder; the fitting is connected with an end of the connecting rod; a groove corresponding to the shape of the ball head is formed in the assembly part; the ball head is clamped in the groove.

8. The dental irrigator of claim 6 wherein said bulb assembly includes a bulb and a fitting; the ball head is connected with the end part of the connecting rod; the assembly is connected with the end part of the movable cylinder; a groove corresponding to the shape of the ball head is formed in the assembly part; the ball head is clamped in the groove.

9. The dental irrigator of claim 5 further comprising a bracket assembly; the bracket component is arranged inside the shell; the pump body, the movable cylinder and the driving component are respectively arranged in the bracket component.

10. The dental irrigator of claim 9 wherein said bracket assembly comprises an upper bracket and a lower bracket; the pump body, the movable cylinder and the driving assembly are respectively installed between the upper support and the lower support.