CN218773968U

CN218773968U - Tooth flushing device core and tooth flushing device

Info

Publication number: CN218773968U
Application number: CN202222743543.5U
Authority: CN
Inventors: 刘潇
Original assignee: Fly Cat Electrical Co Ltd
Current assignee: Fly Cat Electrical Co Ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-03-31
Anticipated expiration: 2032-10-17

Abstract

The application provides a tooth flushing device core, which comprises a shell, a hydraulic pump, a nozzle seat, a liquid outlet valve and a nozzle, wherein the hydraulic pump is arranged in the shell, and a liquid storage cavity is arranged in the hydraulic pump; the outer wall of the nozzle seat is provided with a first annular bulge and a liquid inlet valve, and the nozzle seat is connected with the hydraulic pump at the first annular bulge; the nozzle seat is internally provided with a liquid outlet channel which is communicated with the liquid storage cavity; the liquid inlet valve can be communicated to the liquid outlet channel in a one-way; the inner wall of the nozzle seat is provided with a second annular bulge; the liquid outlet valve is movably connected with the nozzle seat at the liquid outlet channel; the nozzle is connected to the nozzle holder at the second annular projection. The application also provides a tooth flushing device which comprises the tooth flushing device core. In this application, first annular arch and the annular arch of second homoenergetic play sealed effect when nozzle seat connection nozzle and hydraulic pump, have reduced the use of sealing washer, and the feed liquor valve has reduced the assembly of part with the integrative design of nozzle seat to practice thrift manufacturing cost, improved the assembly efficiency of core.

Description

Tooth flushing device core and tooth flushing device

Technical Field

The application belongs to the technical field of oral care tools, and more particularly relates to a tooth flushing device core and a tooth flushing device.

Background

With the advancement of science and technology and the development of socioeconomic performance, oral care has received increasing attention from consumers. Such as: electric toothbrushes and tooth rinsers are commonly used automatic oral care products. Wherein, the tooth flusher is an auxiliary tool for cleaning the oral cavity, and can clean teeth and tooth gaps by utilizing a pulse water flow impact mode.

At present, the number of the machine core assemblies of the tooth flushing device on the market is large, and the machine core assemblies generally comprise a connecting rod, a piston, a pump body, a water inlet elbow sealing ring, a water inlet valve plate, a water outlet valve plate spring, a nozzle seat sealing ring, a nozzle water sealing ring and the like. The number of the components is large, and the production process on a production line is complex and the production cost is high.

Therefore, it is desirable to provide a novel tooth-rinsing device core to solve the technical problems in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a tooth flushing device core and a tooth flushing device, so as to solve the technical problems of complex production process and high production cost caused by the large number of tooth flushing device core components in the prior art.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the core of the tooth flushing device comprises a shell, a hydraulic pump, a nozzle seat, a liquid outlet valve and a nozzle, wherein the hydraulic pump is arranged in the shell, and a liquid storage cavity is arranged in the hydraulic pump; the outer wall of the nozzle seat is provided with a first annular bulge and a liquid inlet valve, and the nozzle seat is connected with the hydraulic pump at the first annular bulge; a liquid outlet channel is arranged in the nozzle seat and communicated with the liquid storage cavity; the liquid inlet valve can be communicated to the liquid outlet channel in a one-way mode; the inner wall of the nozzle seat is provided with a second annular bulge; the liquid outlet valve is movably connected with the nozzle seat at the liquid outlet channel; the nozzle is connected to the nozzle holder at the second annular projection.

Optionally, a partition is arranged in the liquid outlet channel, and the partition is provided with a mounting hole and a liquid outlet hole; the liquid outlet valve is arranged at the mounting hole and is movably connected with the isolating piece, and the liquid outlet hole can be opened or closed by moving the liquid outlet valve.

Optionally, the liquid outlet valve comprises a valve core and a valve cover, one end of the valve core is connected with the valve cover, and the other end of the valve core is slidably connected with the partition at the mounting hole; the valve cover can shield the liquid outlet hole.

Optionally, the tooth flusher core further comprises a driving piece, the driving piece is in transmission connection with the hydraulic pump, and the driving piece is used for driving the hydraulic pump to suck liquid and spray liquid.

Optionally, the hydraulic pump includes the pump body and piston, the stock solution chamber is located in the piston, the pump body with but the inner wall sliding connection of piston, the piston with driving piece transmission is connected.

Optionally, the pump body is provided with a cavity communicated with the liquid outlet channel and the liquid storage cavity; the nozzle holder is connected to the inner wall of the first end of the pump body at a first annular bulge; and a liquid inlet interface is arranged on the side wall of the pump body, and the liquid inlet valve faces the liquid inlet interface.

Optionally, the tooth flushing device core further comprises a transmission gear and an eccentric gear, the transmission gear is meshed with the eccentric gear, the transmission gear is connected with the driving piece, and the eccentric gear is connected with the piston.

Optionally, the dental irrigator cartridge further comprises a link; the first end of the connecting rod is connected with the end part of the piston, and the connecting rod, the piston and the pump body are enclosed to form the liquid storage cavity; the second end of the connecting rod is connected with the eccentric gear.

Optionally, the second end of the pump body is slidably connected to the inner wall of the piston through a seal ring, the outer wall of the pump body is provided with an assembly groove, and the seal ring is accommodated in the assembly groove.

The application also provides a tooth flushing device which comprises the tooth flushing device core.

The application provides a pair of towards tooth ware core and towards tooth ware's beneficial effect lies in: compared with the prior art, this application is towards tooth ware core, be equipped with first annular arch and the annular arch of second on the nozzle holder, the homoenergetic plays sealed effect when nozzle and hydraulic pump are connected to the nozzle holder, has reduced the use of sealing washer, and feed liquor valve and the integrative design of nozzle holder have reduced the assembly of part to practiced thrift material cost and assembly cost, reduced the core volume, improved the assembly efficiency of core, increased the productivity.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious 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 to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is an exploded view of a dental irrigator cartridge according to an embodiment of the present disclosure;

fig. 2 is a schematic perspective view of a nozzle holder in a dental irrigator cartridge according to an embodiment of the present disclosure;

FIG. 3 is a schematic cross-sectional view of a nozzle holder in a dental irrigator cartridge according to an embodiment of the present disclosure;

FIG. 4 is a schematic perspective cross-sectional view of a nozzle holder of a dental irrigator cartridge according to an embodiment of the present disclosure;

FIG. 5 is a schematic perspective view of a liquid outlet valve in a core of a tooth rinsing device according to an embodiment of the present disclosure;

FIG. 6 is a schematic perspective view of a hydraulic pump in a dental irrigator cartridge according to an embodiment of the present disclosure;

fig. 7 is a schematic perspective view of a pump body in a dental irrigator cartridge according to an embodiment of the present disclosure;

fig. 8 is a schematic perspective view of an eccentric wheel in a dental irrigator movement according to an embodiment of the present disclosure;

FIG. 9 is a schematic view of a liquid flow direction of a dental irrigator cartridge according to an embodiment of the present application in a liquid-imbibing state;

fig. 10 is a schematic view illustrating a flow direction of liquid in a liquid spraying state of a dental irrigator core according to an embodiment of the present application.

Wherein, in the figures, the respective reference numerals:

101-upper shell; 102-a lower shell; 103-bolt;

201-a pump body; 211-a cavity; 212-a liquid inlet interface; 213-assembly groove; 202-a piston; 203-a liquid storage cavity; 204-liquid inlet pipe; 205-sealing ring;

300-a nozzle holder; 301-a first annular projection; 302-a second annular projection; 303-liquid inlet valve; 304-a liquid outlet channel; 305-a third annular projection; 306-a spacer; 361-mounting holes; 362-liquid outlet hole;

400-a liquid outlet valve; 401-a valve core; 402-a valve cover;

500-a nozzle;

600-a drive member;

700-a drive gear;

800-eccentric gear; 801-gear portion; 802-eccentric section; 803-a rotating shaft;

900-connecting rod; 901-strip groove.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

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, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 10 together, a description will now be given of a dental irrigator cartridge according to an embodiment of the present application. The tooth flushing device core comprises a shell, a hydraulic pump, a nozzle seat 300, a liquid outlet valve 400 and a nozzle 500, wherein the hydraulic pump is arranged in the shell, and a liquid storage cavity 203 is formed in the hydraulic pump; the outer wall of the nozzle holder 300 is provided with a first annular bulge 301 and a liquid inlet valve 303, and the nozzle holder 300 is connected with a hydraulic pump at the first annular bulge 301; the nozzle holder 300 is internally provided with a liquid outlet channel 304, and the liquid outlet channel 304 is communicated with the liquid storage cavity 203; the liquid inlet valve 303 can be communicated to the liquid outlet channel 304 in a one-way; the inner wall of nozzle holder 300 is provided with second annular projection 302; liquid outlet valve 400 is movably connected with nozzle holder 300 at liquid outlet channel 304; nozzle 500 is coupled to nozzle carrier 300 at second annular protrusion 302.

The utility model provides a pair of wash tooth ware core, compared with the prior art, the wash tooth ware core that this application embodiment provided, be equipped with first annular arch 301 and the annular arch 302 of second on nozzle holder 300, the homoenergetic plays sealed effect when nozzle holder 300 connects nozzle 500 and hydraulic pump, the use of sealing washer 205 has been reduced, feed liquor valve 303 and the integrative design of nozzle holder 300, the assembly of part has been reduced, thereby material cost and assembly cost have been practiced thrift, the core volume has been reduced, the assembly efficiency of core has been improved, the productivity has been increased.

In one embodiment of the present application, referring to fig. 1, the housing includes an upper shell 101 and a lower shell 102 which are covered with each other, and the upper shell 101 and the lower shell 102 are connected by bolts 103; the hydraulic pump is arranged in a cavity between the upper shell 101 and the lower shell 102, and a slot position is arranged in the upper shell 101 or the lower shell 102 and used for limiting the hydraulic pump and preventing the hydraulic pump from loosening.

In an embodiment of the present application, referring to fig. 3 and fig. 4, a partition 306 is disposed in the liquid outlet channel 304, and the partition 306 has a mounting hole 361 and a liquid outlet hole 362; effluent valve 400 is movably coupled to partition 306 at mounting aperture 361, and effluent aperture 362 can be opened or closed by moving effluent valve 400. Specifically, the number of the liquid outlet holes 362 is plural, the plural liquid outlet holes 362 are annularly distributed on the partition 306 with the mounting hole 361 as a center, and the amount of the liquid outlet can be increased by providing the plural liquid outlet holes 362.

In an embodiment of the present application, referring to fig. 5, the effluent valve 400 includes a valve core 401 and a valve cover 402, one end of the valve core 401 is connected to the valve cover 402, and the other end of the valve core 401 is slidably connected to the partition 306 at the mounting hole 361; the valve cover 402 can cover the liquid outlet hole 362.

Specifically, the valve core 401 and the valve cover 402 can be integrally formed to form an umbrella-shaped structure; the outlet valve 400 may be made of soft material, for example: rubber, silicone, and the like.

In one embodiment of the present application, referring to fig. 1, 9 and 10, the dental irrigator cartridge further comprises a driving member 600, the driving member 600 is in transmission connection with the hydraulic pump, and the driving member 600 is used for driving the hydraulic pump to suck and spray liquid. Specifically, the driving member 600 may employ a driving motor, and the driving motor may be installed in the housing.

In one embodiment of the present application, referring to fig. 1 and fig. 6, the hydraulic pump includes a pump body 201 and a piston 202, a fluid storage cavity 203 is located in the piston 202, the pump body 201 is slidably connected with an inner wall of the piston 202, and the piston 202 is in transmission connection with a driving member 600. Specifically, the piston 202 is a cylindrical sleeve structure.

In an embodiment of the present application, please refer to fig. 6 and fig. 7, a cavity 211 is formed in the pump body 201, and the cavity 211 is communicated with the liquid outlet channel 304 and the liquid storage cavity 203; the nozzle holder 300 is connected to the inner wall of the first end of the pump body 201 at the first annular bulge 301, and the first end of the pump body 201 is a liquid outlet end; the side wall of the pump body 201 is provided with a liquid inlet interface 212, and the liquid inlet valve 303 is arranged towards the liquid inlet interface 212. The inlet interface 212 is used to connect to the inlet pipe 204.

In one embodiment of the present application, liquid inlet valve 303 is a plate structure, liquid inlet valve 303 and nozzle holder 300 are integrally formed, and two notches may be formed on the main structure of nozzle holder 300 to form liquid inlet valve 303. The size of liquid inlet valve 303 is larger than that of liquid inlet interface 212, and after nozzle holder 300 is assembled on pump body 201, when liquid flows into liquid inlet interface 212, liquid inlet valve 303 can be pushed open, so that liquid flows into nozzle holder 300; on the contrary, when the liquid in the nozzle holder 300 reversely flows, the liquid inlet valve 303 is pushed, so that the liquid inlet valve 303 is abutted against the inner wall of the pump body 201, and the liquid inlet interface 212 is closed; therefore, the intake valve 303 can be opened only in one direction.

In one embodiment of the present application, referring to fig. 1, 9 and 10, the dental irrigator cartridge further comprises a transmission gear 700 and an eccentric gear 800, the transmission gear 700 is engaged with the eccentric gear 800, the transmission gear 700 is connected with the driving member 600, and the eccentric gear 800 is connected with the piston 202. Specifically, the transmission gear 700 is connected to an output shaft of the driving motor, the driving motor can drive the transmission gear 700 to rotate, and the transmission gear 700 drives the eccentric gear 800 to rotate, so as to drive the piston 202 to reciprocate.

In one embodiment of the present application, referring to fig. 1 and 6 together, the dental irrigator cartridge further comprises a link 900; the first end of the connecting rod 900 is connected with the end of the piston 202, and the connecting rod 900, the piston 202 and the pump body 201 enclose to form a liquid storage cavity 203; a second end of the connecting rod 900 is connected with the eccentric gear 800. The eccentric gear 800 rotates to drive the connecting rod 900 to linearly reciprocate.

Specifically, the connecting rod 900 and the piston 202 may be connected by a screw thread, and a sealant may be applied to a joint of the connecting rod 900 and the piston 202 to improve sealing performance and prevent liquid leakage.

In one embodiment of the present application, referring to fig. 6, the second end of the pump body 201 is slidably connected to the inner wall of the piston 202 through a sealing ring 205, the outer wall of the pump body 201 is provided with a mounting groove 213, and the sealing ring 205 is accommodated in the mounting groove 213. The sealing ring 205 can be soft rubber, and by arranging the sealing ring 205, the sealing performance between the pump body 201 and the piston 202 can be increased, liquid leakage in the liquid storage cavity 203 is avoided, and the pressure of liquid spraying can be enhanced when the hydraulic pump works. The assembling groove 213 is formed in the pump body 201 and used for placing the sealing ring 205, so that the sealing ring 205 can be limited, and when the pump body 201 and the piston 202 slide relatively, the sealing ring 205 can be prevented from moving or even falling off.

Specifically, the number of the fitting grooves 213 may be provided in plural, the plural fitting grooves 213 are distributed along the direction in which the pump body 201 moves relative to the piston 202, the number of the seal rings 205 corresponds to the number of the fitting grooves 213 one by one, that is, one seal ring 205 is provided in one fitting groove 213, and the number of the fitting grooves 213 may be two, three, or even more.

In one embodiment of the present application, referring to fig. 8, an eccentric gear 800 includes a gear portion 801 and an eccentric wheel portion 802, and an axis of the eccentric wheel portion 802 is spaced from an axis of the gear portion 801; the gear portion 801 meshes with the transmission gear 700; the second end of the connecting rod 900 has a strip-shaped groove 901, and the eccentric wheel portion 802 is movably connected with the connecting rod 900 at the strip-shaped groove 901.

Specifically, the gear portion 801 is rotatably connected to the housing through a rotation shaft 803; the eccentric wheel portion 802 has a cylindrical structure and protrudes from an end surface of the gear portion 801.

The working principle of the tooth flushing device core provided by the embodiment of the application is as follows:

the driving member 600 is started, the driving member 600 drives the transmission gear 700 to rotate, the transmission gear 700 drives the eccentric gear 800 to rotate, the eccentric wheel portion 802 of the eccentric gear 800 is matched with the strip-shaped groove 901 of the connecting rod 900, the connecting rod 900 is driven to reciprocate, the connecting rod 900 is connected with the piston 202, and finally the piston 202 and the pump body 201 slide relatively;

when the piston 202 moves away from the pump body 201, the space of the liquid storage cavity 203 is increased, the external pressure is greater than the pressure in the liquid storage cavity 203, liquid enters from the liquid inlet pipe 204 and pushes the liquid inlet valve 303 open, at the moment, the liquid outlet valve 400 is in a closed state, and the liquid flows into the liquid storage cavity 203 along the cavity 211 in the pump body 201 to complete the liquid suction action; as shown in fig. 9, the direction indicated by the arrow in the figure is the flow direction of the liquid when the liquid is absorbed;

when the piston 202 moves towards the pump body 201, the space of the liquid storage cavity 203 is compressed, the liquid storage cavity 203 is pushed out along the cavity 211 in the pump body 201, the liquid outlet valve 400 in the liquid outlet channel 304 is pushed open, the liquid flows into the nozzle 500 along the liquid outlet channel 304, and finally the liquid is sprayed out of the nozzle 500, so that the liquid spraying action is completed. As shown in fig. 10, when the direction indicated by the arrow in the figure is a liquid-ejecting state, the liquid flows in the direction.

The embodiment of the application also provides a tooth flushing device, which comprises a tooth flushing device main body (not shown) and a tooth flushing device core connected with the tooth flushing device main body. Specifically, referring to fig. 2 to 4, a third annular protrusion 305 is further disposed on the outer wall of the nozzle holder 300, and the third annular protrusion 305 is used for connecting a tooth rinsing device body (not shown) to perform a sealing and fixing function.

The above description is only a preferred embodiment of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A dental irrigator cartridge comprising:

a housing;

the hydraulic pump is arranged in the shell, and a liquid storage cavity is formed in the hydraulic pump;

the outer wall of the nozzle seat is provided with a first annular bulge and a liquid inlet valve, and the nozzle seat is connected with the hydraulic pump at the first annular bulge; a liquid outlet channel is arranged in the nozzle seat and communicated with the liquid storage cavity; the liquid inlet valve can be communicated to the liquid outlet channel in a one-way mode; the inner wall of the nozzle seat is provided with a second annular bulge;

the liquid outlet valve is movably connected with the nozzle seat at the liquid outlet channel; and

a nozzle connected to the nozzle mount at the second annular protrusion.

2. The dental irrigator cartridge of claim 1 wherein a spacer is disposed in said exit channel, said spacer having a mounting hole and an exit hole; the liquid outlet valve is arranged at the mounting hole and is movably connected with the isolating piece, and the liquid outlet hole can be opened or closed by moving the liquid outlet valve.

3. The core of the tooth-rinsing device as claimed in claim 2, wherein said outlet valve comprises a valve core and a valve cover, one end of said valve core is connected with said valve cover, and said mounting hole at the other end of said valve core is slidably connected with said spacer; the valve cover can shield the liquid outlet hole.

4. The dental irrigator cartridge of any one of claims 1-3 further comprising a drive member drivingly connected to said hydraulic pump, said drive member for driving said hydraulic pump to aspirate and dispense liquid.

5. The dental irrigator cartridge according to claim 4, wherein said hydraulic pump includes a pump body and a piston, said reservoir being located in said piston, said pump body being slidably connected to an inner wall of said piston, said piston being drivingly connected to said drive member.

6. The dental irrigator cartridge of claim 5 wherein said pump body has a cavity therein, said cavity communicating with said fluid outlet channel and said reservoir chamber; the nozzle holder is connected to the inner wall of the first end of the pump body at a first annular bulge; and a liquid inlet interface is arranged on the side wall of the pump body, and the liquid inlet valve faces the liquid inlet interface.

7. The dental irrigator cartridge of claim 6 further comprising a drive gear and an eccentric gear, wherein said drive gear is engaged with said eccentric gear, said drive gear is connected to said drive member, and said eccentric gear is connected to said piston.

8. The dental irrigator cartridge of claim 7 wherein said dental irrigator cartridge further comprises a linkage; the first end of the connecting rod is connected with the end part of the piston, and the connecting rod, the piston and the pump body are enclosed to form the liquid storage cavity; the second end of the connecting rod is connected with the eccentric gear.

9. The dental irrigator cartridge of claim 8 wherein the second end of the pump body is slidably connected to the inner wall of the piston by a seal ring, the outer wall of the pump body having a mounting groove in which the seal ring is received.

10. A dental irrigator characterized in that it comprises a dental irrigator cartridge according to any one of claims 1 to 9.