CN218739210U

CN218739210U - Tooth flushing device core structure and tooth flushing device

Info

Publication number: CN218739210U
Application number: CN202222522005.3U
Authority: CN
Inventors: 张洪平
Original assignee: Dongguan Xiewei Plastic Electronic Technology Co ltd
Current assignee: Dongguan Xiewei Plastic Electronic Technology Co ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2023-03-28
Anticipated expiration: 2032-09-21

Abstract

The utility model discloses a towards tooth ware core structure and towards tooth ware, towards tooth ware core structure includes: the water pumping device, the water injection pipeline and the water outlet pipeline; the water pumping device comprises a shell, a driving assembly, a linkage and a pumping liquid assembly, wherein a water pumping cavity is arranged in the shell; the driving assembly, the linkage and the liquid pumping assembly are arranged in the shell from front to back, and the liquid pumping assembly is arranged in the water pumping cavity; the driving assembly is connected with the linkage piece and drives the linkage piece to move in a reciprocating mode, and the linkage piece and the pump liquid assembly are fixedly installed to prevent lubricating oil of the driving assembly from entering the pump water cavity; the pump liquid assembly can be arranged in the pump water cavity in a contracting or rebounding mode, and the elastic pump liquid assembly is adopted to replace a traditional friction sealing structure, so that the service life of the pump liquid assembly is prolonged; the pump water cavity is communicated with the water injection pipeline and the water outlet pipeline, so that when the pump liquid assembly contracts, the pump water cavity pumps liquid into the pump water cavity through the water injection pipeline; when the liquid pumping assembly rebounds, liquid is pumped out of the water outlet pipeline through the water pumping cavity, and the water pumping structure is simple.

Description

Tooth flushing device core structure and tooth flushing device

Technical Field

The utility model relates to a towards the tooth ware field, especially relate to a towards tooth ware core structure and towards tooth ware.

Background

Along with the continuous improvement of living standard of people, people pay more and more attention to their health, and a plurality of electric tooth brushing products and electric tooth rinsers appear on the market. Electric tooth brushing products have been popular in the market for a wide variety of reasons, but have not been effective in cleaning food remaining in the crevices of the teeth, and thus have been developed as tooth rinses.

The existing tooth flushing devices on the market are few in types, the water pumping structure is complex, the service life loss of the driving assembly is large due to long-term friction of the sealing structure, and lubricating oil of the driving assembly can be brought into water flow, so that the health of a human body is not facilitated; therefore, there is a need to provide a safe and reliable tooth irrigator core structure and a tooth irrigator to solve the above problems, so as to meet the market development requirements.

SUMMERY OF THE UTILITY MODEL

The utility model provides a towards tooth ware core structure aims at simplifying the structure of pump liquid subassembly, reduces the friction frequency of pump liquid subassembly, through separating pump water cavity and drive assembly for drive assembly's lubricated liquid can not contact with the rivers in the pump water cavity, so that towards tooth ware's factor of safety improves.

The utility model discloses a core structure of a tooth flushing device, which comprises a water pumping device, a water injection pipeline and a water outlet pipeline; the water injection pipeline and the water outlet pipeline are respectively connected with the water pumping device; the water pumping device comprises a shell, a driving assembly, a linkage and a pumping liquid assembly, wherein a water pumping cavity is arranged in the shell;

the driving assembly, the linkage and the liquid pumping assembly are arranged in the shell from front to back, and the liquid pumping assembly is arranged in the water pumping cavity; the driving assembly is connected with the linkage piece and drives the linkage piece to reciprocate, the linkage piece and the liquid pumping assembly are fixedly mounted, so that the liquid pumping assembly can be arranged in the water pumping cavity in a retractable or rebounding manner, the water pumping cavity is communicated with the water injection pipeline and the water outlet pipeline, and liquid is pumped into the water pumping cavity through the water injection pipeline when the liquid pumping assembly retracts; when the liquid pumping assembly rebounds, liquid is pumped out of the water outlet pipeline through the water pumping cavity.

In the core structure of the tooth flushing device according to an embodiment of the present invention, an caulking groove is formed on the inner wall of the water pumping cavity; the periphery of the liquid pumping assembly is embedded in the embedded groove, and the periphery of the liquid pumping assembly is in interference fit with the embedded groove.

The utility model discloses an among the tooth ware core structure of washing of embodiment, pump liquid subassembly includes elastic component and mounting, the elastic component with mounting fixed connection, the mounting with the linkage is connected, makes the mounting is followed when the linkage is movable, the elastic component shrink or kick-back.

In the core structure of the tooth-rinsing device according to an embodiment of the present invention, the inner diameter of the pump water chamber is gradually increased by the water injection pipe to the direction of the pump liquid assembly.

In the core structure of the tooth rinsing device according to an embodiment of the present invention, the housing includes a pump body, an upper cover and a lower cover, and the pump water chamber is provided in the pump body; the upper cover and the lower cover are fixedly covered, so that the shell is provided with a mounting cavity with a forward opening, and the pump body is in butt joint with the opening parts of the upper cover and the lower cover.

The utility model discloses an embodiment's towards tooth ware core structure, drive assembly includes motor, drive tooth, installation axle and bevel gear, drive the tooth with the motor drive installation, the installation axle install in the shell, the bevel gear is installed in the installation epaxially, the bevel gear with drive tooth meshing transmission.

The utility model discloses an embodiment's towards tooth ware core structure, the protruding cam that is equipped with in bevel gear middle part, installation off-centre axle is inserted and is located in the cam, a pot head of linkage piece is located on the cam, make the linkage piece can move towards the reciprocal activity of direction in pump water cavity.

In the core structure of the tooth rinsing device according to an embodiment of the present invention, a check valve diaphragm is installed at one end of the water injection pipeline; and a duckbill valve is installed at one end of the water outlet pipeline connected with the water pumping device.

The utility model discloses an embodiment's towards tooth ware core structure, outlet conduit with the end cover is installed to the one end that the pumping device is connected, the end cover inlays and is equipped with the rubber ring.

The utility model also provides a tooth flushing device, which comprises the core structure of the tooth flushing device.

The technical scheme provided by the embodiment of the application can have the following beneficial effects: the tooth flushing device core structure is simple in structure, and a driving assembly, a linkage and a liquid pumping assembly are arranged in a shell from front to back; secondly, the pump liquid assembly is arranged in the pump water cavity, the pump liquid assembly can contract or rebound in the pump water cavity to achieve a water pumping effect, the traditional sealing structure is replaced, the water pumping effect is achieved through friction, the loss of the driving assembly caused by friction is reduced, and the service life of the driving assembly is prolonged; finally, the driving assembly and the liquid pumping assembly realize reciprocating motion through the linkage piece, so that lubricating liquid of the driving assembly cannot be in contact with water flow in the water pumping cavity, and the safety coefficient of the tooth flushing device is high.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a partially assembled schematic view of a dental irrigator according to an embodiment of the present application;

FIG. 2 is a partial cross-sectional view of a dental irrigator provided by an embodiment of the present application;

fig. 3 is a partially exploded view of a dental irrigator according to an embodiment of the present application.

Description of reference numerals:

100. a water pumping device; 101. a water pumping cavity; 102. caulking grooves; 103. a mounting cavity; 104. a water injection port; 105. a water outlet; 106. a screw; 110. a housing; 111. a pump body; 112. an upper cover; 113. a lower cover; 120. a drive assembly; 121. a motor; 122. a drive tooth; 123. installing a shaft; 124. umbrella teeth; 124a, a cam; 130. a linkage member; 131. a cam hole; 140. a pumping assembly; 141. an elastic member; 142. a fixing member; 143. a boss portion; 200. a water injection pipeline; 201. a one-way valve diaphragm; 300. a water outlet pipeline; 301. a duckbill valve; 302. a rubber ring; 303. an end cap; 400. and (4) a nozzle.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

As shown in fig. 1 to 3, the present application provides a core structure of a tooth irrigator, which is used for being installed in a tooth irrigator to pump liquid in a water tank of the tooth irrigator out of a tooth irrigator tooth-irrigating nozzle 400; this towards tooth ware core structure includes: the water pumping device 100, the water injection pipeline 200 and the water outlet pipeline 300, wherein the water injection pipeline 200 and the water outlet pipeline 300 are respectively connected with the water pumping device 100; the other end of the water injection pipe 200 is connected with the water tank of the water flushing device, so that liquid can be injected through the water injection pipe 200 when the water pumping device 100 is used; the other end of the outlet tube 300 is connected to the die tip 400 so that the fluid in the pump assembly 100 can be pumped out of the die tip 400 through the outlet tube 300.

The water pumping device 100 comprises a shell 110, a driving assembly 120, a linkage member 130 and a pumping liquid assembly 140, wherein a water pumping cavity 101 is arranged in the shell 110; the general water pumping device drives the piston to reciprocate in the water pumping cavity through the driving component and the linkage component, so that the liquid of the tooth flushing device is pumped in or out by the piston, the liquid pumping component is replaced by the elastic liquid pumping component 140, the friction loss generated by the back-and-forth sliding of the piston in the water pumping cavity 101 can be reduced, the service life of the core structure of the tooth flushing device is prolonged, the requirement on sealing performance is lowered, and meanwhile, the structure of the water pumping device 100 is simple.

In an embodiment, the driving assembly 120, the linkage 130 and the pumping assembly 140 are arranged in the housing 110 from front to back, the pumping assembly 140 is installed in the pumping cavity 101, so that the pumping cavity 101 formed by the pumping assembly 140 and the housing 110 can generate pressure under the action of the driving assembly 120, and the pumping device 100 can pump the liquid; through drive assembly 120 and linkage 130 connection, this linkage 130 and pump liquid subassembly 140 fixed mounting, when using the tooth ware of washing, this drive assembly 120 can drive linkage 130 and carry out reciprocating motion for this pump liquid subassembly 140 can contract or set up in pump water cavity 101 with springing back, and the volume of pump water cavity 101 increases or reduces along with the reciprocating motion of pump liquid subassembly 140, so that liquid can be pumped into or pump out.

It should be noted that, when the driving assembly 120 uses the lubricating liquid, the linking member 130 is separated between the liquid pumping assembly 140 and the driving assembly 120, so that the lubricating liquid does not contact with the water flow in the water pumping cavity 101, and the safety factor of the tooth flushing device is improved; in an implementation, the water pumping cavity 101 is communicated with the water injection pipeline 200 and the water outlet pipeline 300, and when the pumping liquid assembly 140 is contracted, the water pumping cavity 101 pumps liquid from the water injection pipeline 200; when the liquid pumping assembly 140 rebounds, liquid is pumped out of the water outlet pipeline 300 from the liquid pumping cavity 101, that is, the liquid pumping in the liquid pumping cavity 101 of the casing 110 can be realized through the arrangement of the driving assembly 120, the linkage member 130 and the liquid pumping assembly 140, and the structure is simple.

Compared with the prior art, the tooth flushing device core structure and the tooth flushing device at least have the following beneficial effects:

firstly, the tooth flusher core structure can realize the function of pumping liquid into or out of the pump water cavity 101 only by arranging the driving component 120, the linkage component 130 and the pump liquid component 140 in the shell 110 from front to back, and driving the driving component 120 to drive the linkage rod and then drive the pump liquid component 140 to reciprocate, and the pump water structure is simple;

secondly, the pumping liquid assembly 140 is installed in the pumping water cavity 101, so that a pumping effect can be realized by the contraction or rebound of the pumping liquid assembly 140 in the pumping water cavity 101, the traditional sealing structure is replaced to realize the pumping effect through friction, the loss of the driving assembly 120 caused by friction is reduced, and the service life of the driving assembly 120 is prolonged;

thirdly, the driving assembly 120 and the pumping assembly 140 realize reciprocating motion through the link 130, even if the driving assembly 120 uses lubricating liquid to improve pumping efficiency, the lubricating liquid will not contact with the water flow in the pumping cavity 101, so that the tooth washing device has a high safety factor.

In an alternative embodiment, in order to make the closed space of the water pumping chamber 101 have sufficient tightness, the inner wall of the water pumping chamber 101 is provided with an embedded groove 102; the periphery of the liquid pumping assembly 140 is embedded in the embedded groove 102, and the periphery of the liquid pumping assembly 140 is in interference fit with the embedded groove 102 to form a tight installation structure, in this embodiment, the width of the opening of the embedded groove 102 is smaller than the width in the embedded groove 102, and the thicknesses of the liquid pumping assembly 140 and the embedded groove 102 are also relatively thin, so that the driving force of the driving assembly 120 for driving the liquid pumping assembly 140 can be reduced; meanwhile, the periphery of the liquid pumping assembly 140 has a corresponding protrusion 143 corresponding to the width of the embedded groove 102, and the protrusion 143 is clamped in the embedded groove 102, so that the liquid pumping assembly 140 cannot be separated from the water pumping chamber 101 along with the reciprocating motion of the driving assembly 120.

In an alternative embodiment, the pumping fluid assembly 140 includes an elastic member 141 and a fixing member 142, the elastic member 141 is fixedly connected to the fixing member 142, and the elastic member 141 completely covers the head of the fixing member 142, optionally, is injection-molded and bonded so that the fixing member 142 and the elastic member 141 are not separated; in addition, the tail of the fixed part 142 is connected with the linkage part 130, and the fixed part 142 is connected with the linkage part 130 in a screwing mode, so that the fixed part 142 can move along with the linkage part 130, the connection structure is stable, and the fixed part 142 is not easy to fall off due to frequent use; the elastic member 141 has elasticity, and when the link 130 reciprocates and the fluid pumping assembly 140 pumps fluid, the elastic member 141 contracts or rebounds.

In an alternative embodiment, the inner diameter of the pump water cavity 101 gradually increases from the direction of the water injection pipe 200 to the pump fluid assembly 140; when the pump water cavity 101 is used, water flows through the water injection pipeline 200 to enter the pump water cavity 101 with the gradually increased volume, so that the reciprocating times of the driving assembly 120 can be reduced as much as possible; then, when the water flow is pumped out of the pump water cavity 101, the pump water cavity 101 with the gradually decreasing inner diameter provides an inner driving force for the liquid to be pumped out of the outlet pipe 300, so that the outlet pipe 300 ensures the water output while the liquid has a certain impulse force.

In an alternative embodiment, the housing 110 includes a pump body 111, an upper cover 112, and a lower cover 113, and the pump water chamber 101 is opened in the pump body 111; the upper cover 112 and the lower cover 113 are closed and fixed, so that the housing 110 has a mounting cavity 103 opened forward, and the pump body 111 is butted with the opening parts of the upper cover 112 and the lower cover 113; the water inlet 104 of the housing 110 communicating with the water injection pipeline 200 is provided at the pump body 111, and the water outlet 105 of the housing 110 communicating with the water outlet pipeline 300 is also provided at the pump body 111.

In the present embodiment, the assembly process of the housing 110 is as follows:

firstly, a driving component 120, a linkage component 130 and a liquid pumping component 140 are sequentially arranged in the mounting cavity 103 of the lower cover 113 (or the upper cover 112);

then, the upper cover 112 (or the lower cover 113) is closed and fixed by the screw 106;

at this time, the elastic member 141 of the pumping assembly 140 partially protrudes out of the mounting cavity 103 and covers the forward opening of the mounting cavity 103;

finally, pump body 111 is fitted to the openings of upper cover 112 and lower cover 113, and pump body 111 covers elastic member 141 and is fixed to pump body 111 with screw 106.

In an embodiment, the pump body 111, the upper cover 112 and the lower cover 113 are formed around the insertion groove 102, so that the sealing structure is simple and has good sealing performance, and the periphery of the elastic member 141 can be fastened in the insertion groove 102 by the locking screw 106.

In an alternative embodiment, the driving assembly 120 includes a motor 121, a driving gear 122, a mounting shaft 123, and a bevel gear 124, wherein the driving gear 122 is drivingly mounted to the motor 121, the mounting shaft 123 is mounted in the housing 110, the bevel gear 124 is mounted on the mounting shaft 123, and the bevel gear 124 is in meshing transmission with the driving gear 122; in an embodiment, the motor 121 drives the driving gear 122 to rotate, and since the bevel gear 124 is meshed with the driving gear 122, the bevel gear 124 is geared with the driving gear 122 (i.e. the rotation axes of the two gears are perpendicular to each other to achieve vertical engagement), so that the motor 121 drives the driving gear 122 to rotate in the vertical direction, and the bevel gear 124 mounted on the mounting shaft 123 can rotate in the horizontal direction.

In this embodiment, a cam 124a is protruded from the middle of the bevel gear 124, the mounting shaft 123 is eccentrically inserted into the cam 124a, and one end of the link 130 is sleeved on the cam 124a, so that the link 130 can reciprocate toward the pump water chamber 101; in an implementation manner, one end of the linkage rod is provided with a cam hole 131 correspondingly connected with the cam 124a, the cam hole 131 is sleeved on the cam 124a, so that when the linkage member 130 rotates relative to the bevel gear 124, the extension direction of the linkage rod is located on the side of the cam 124a with a shorter radius relative to the axis of the mounting shaft 123, the cam 124a rotates eccentrically relative to the mounting shaft 123, the cam 124a rotates for a circle, the pump liquid assembly 140 realizes reciprocating motion one by one, and the core structure of the tooth flushing device realizes the liquid pumping function of pumping liquid and pumping liquid.

In an alternative embodiment, one end of the water injection pipe 200 is provided with a check valve diaphragm 201; a duckbill valve 301 is arranged at one end of the water outlet pipeline 300 connected with the water pumping device 100; in the present embodiment, a check valve diaphragm 201 is installed in the water injection port 104 between the case 110 and the water injection pipe 200, so that the water injection pipe 200 can pump the liquid in one direction; in addition, the duckbill valve 301 is arranged in the water outlet 105 between the outer shell 110 and the water outlet pipeline 300, so that liquid does not flow back when the water outlet pipeline 300 is filled with water, and the function of unidirectional water outlet can be realized.

In an alternative embodiment, an end cap 303 is installed at one end of the water outlet pipe 300 connected with the water pumping device 100, the rubber ring 302 is embedded in the end cap 303, and the nozzle 400 of the tooth flusher is installed on the water outlet pipe 300 through the rubber ring 302, so that the nozzle 400 can be replaced or installed when being impacted, damaged or out of dimension, and the water outlet pipe has strong practicability and high fault tolerance.

Based on the above core structure of the tooth-rinsing device, the utility model also provides a tooth-rinsing device, wherein the tooth-rinsing device further comprises a nozzle 400 and a water tank (not shown), the nozzle 400 is fixedly installed with the water outlet pipe 300, and the water injection pipe 200 is connected with the water tank; compared with the prior art, the tooth flushing device at least has the following beneficial effects: the movement has simple structure, long service life and high safety factor.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A core structure of a tooth flushing device is characterized by comprising a water pumping device, a water injection pipeline and a water outlet pipeline; the water injection pipeline and the water outlet pipeline are respectively connected with the water pumping device; the water pumping device comprises a shell, a driving assembly, a linkage and a pumping liquid assembly, wherein a water pumping cavity is arranged in the shell;

the driving assembly, the linkage and the liquid pumping assembly are arranged in the shell from front to back, and the liquid pumping assembly is arranged in the water pumping cavity; the driving assembly is connected with the linkage piece and drives the linkage piece to reciprocate, the linkage piece is fixedly installed with the pump liquid assembly, so that the pump liquid assembly can be arranged in the pump water cavity in a retractable or rebounding mode, the pump water cavity is communicated with the water injection pipeline and the water outlet pipeline, and liquid is pumped into the pump water cavity through the water injection pipeline when the pump liquid assembly is retracted; when the liquid pumping assembly rebounds, liquid is pumped out of the water outlet pipeline through the water pumping cavity.

2. The core structure of the tooth flusher according to claim 1, wherein an embedding groove is formed on the inner wall of the water pumping cavity; the periphery of the liquid pumping assembly is embedded in the embedded groove, and the periphery of the liquid pumping assembly is in interference fit with the embedded groove.

3. The dental irrigator cartridge structure according to claim 1, wherein the pump assembly comprises an elastic member and a fixed member, the elastic member is fixedly connected with the fixed member, and the fixed member is connected with the linkage member, so that when the fixed member moves along with the linkage member, the elastic member contracts or rebounds.

4. The dental irrigator cartridge structure according to any one of claims 1 to 3, wherein the inner diameter of the pump water chamber is gradually increased from the water injection pipe to the pump fluid assembly.

5. The dental irrigator cartridge structure according to any one of claims 1 to 3, wherein the housing includes a pump body, an upper cover and a lower cover, the pump water chamber opening in the pump body; the upper cover and the lower cover are fixedly covered, so that the shell is provided with a mounting cavity with a forward opening, and the pump body is in butt joint with the opening parts of the upper cover and the lower cover.

6. The tooth flushing device movement structure according to any one of claims 1 to 3, wherein the driving assembly comprises a motor, a driving tooth, a mounting shaft and a bevel tooth, the driving tooth is installed with the motor in a driving manner, the mounting shaft is installed in the shell, the bevel tooth is installed on the mounting shaft, and the bevel tooth is in meshing transmission with the driving tooth.

7. The core structure of the tooth flusher according to claim 6, wherein a cam is convexly arranged in the middle of the bevel gear, the mounting shaft is eccentrically inserted into the cam, and one end of the linkage piece is sleeved on the cam, so that the linkage piece can move back and forth towards the direction of the water pumping cavity.

8. The tooth-rinsing device movement structure according to any one of claims 1 to 3, wherein one end of the water injection pipeline is provided with a one-way valve membrane; and a duckbill valve is installed at one end of the water outlet pipeline connected with the water pumping device.

9. The tooth flushing device core structure according to any one of claims 1 to 3, wherein an end cover is installed at one end of the water outlet pipeline connected with the water pumping device, and a rubber ring is embedded in the end cover.

10. A dental irrigator comprising a dental irrigator cartridge according to any one of claims 1 to 9.