CN218606907U

CN218606907U - Water pump of tooth flushing device sharing eccentric wheel

Info

Publication number: CN218606907U
Application number: CN202222619050.0U
Authority: CN
Inventors: 唐华生; 李刚
Original assignee: Guangdong Roman Technology Co Ltd
Current assignee: Guangdong Roman Technology Co Ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-03-14
Anticipated expiration: 2032-09-29

Abstract

The utility model discloses a tooth ware water pump that dashes of sharing eccentric wheel, including the nozzle, with nozzle turn-on connection's outlet pipe, drive assembly and two at least water pump assembly, drive assembly is including the motor and the eccentric wheel of being connected with the motor shaft transmission, water pump assembly is including the pump case, piston and driving lever, the pump case be equipped with outlet pipe turn-on connection's pump chamber, the piston can be in the pump chamber piston motion, the piston is connected to the one end of driving lever, the other end pin joint of driving lever in the eccentric wheel. Compared with the prior art, the deflector rod of each water pump assembly is pivoted with the eccentric wheel, the eccentric wheel is driven by the motor to rotate, so that two water pump assemblies can work simultaneously to input liquid into the water outlet pipe, and the liquid is finally sprayed out from one nozzle; can make from nozzle spun liquid pressure, liquid flow bigger to improve the washing effect of towards the tooth ware, promote the user and use experience and feel.

Description

Water pump of tooth flushing device sharing eccentric wheel

Technical Field

The utility model relates to a water pump field technology of tooth flushing device, in particular to a water pump of tooth flushing device sharing eccentric wheel.

Background

The tooth flushing device is an auxiliary tool for cleaning the oral cavity, the working principle is that teeth and slits are cleaned in a pulse water flow impact mode, and a water pump in the tooth flushing device plays a role in improving water pressure, so that a nozzle of the tooth flushing device can spray water flow with certain pressure.

In the related art, the water pump of the tooth flushing device comprises a shell, a movable rod and a driving mechanism, wherein the shell is fixed on a rack, specifically, one end of the shell is provided with a water inlet, the end of the shell adjacent to the water inlet is provided with a water outlet, the water inlet is communicated with the water outlet, the communication position of the water inlet and the water outlet is positioned in a cavity of the shell, in addition, the end of the shell opposite to the water outlet is also provided with a slide hole, and the slide hole is communicated with the cavity.

Please refer to the water pump of the tooth washing device announced by the chinese utility model CN 216278383U and the water pump and tooth washing device announced by the chinese utility model CN 214464720U in the lump, in the creation process of realizing the technical scheme of the present application, the inventor finds that the water pump of the tooth washing device in the prior art adopts the single piston to act on the water flow to spray from the nozzle, so the structure can make the water pressure small and the water flow small, and the use experience of the user is influenced.

Therefore, a new technical solution is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides a tooth washing device water pump of sharing eccentric wheel, solves effectively among the prior art tooth washing device water pump to have the defect that water pressure is little and discharge is little.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a water pump of a tooth flushing device sharing an eccentric wheel comprises a nozzle and a water outlet pipe which is communicated and connected with the nozzle, wherein the water outlet pipe is used for conveying liquid to the nozzle; the water pump assembly comprises a pump shell, a piston and a deflector rod, the pump shell is provided with a pump cavity communicated with a water outlet pipe, the piston can move in the pump cavity, one end of the deflector rod is connected with the piston, and the other end of the deflector rod is pivoted on the eccentric wheel.

The application provides a pair of towards tooth ware water pump of sharing eccentric wheel's beneficial effect lies in: compared with the prior art, the water pipe is communicated with at least two water pump assemblies, the pistons of the water pump assemblies drive the pistons to move in the pump cavities through the deflector rods, the deflector rods of each water pump assembly are pivoted with the eccentric wheel, the eccentric wheels are driven to rotate through the motor, the two water pump assemblies can simultaneously work, liquid is input into the water outlet pipe, and finally the liquid is sprayed out from one nozzle; can make from nozzle spun liquid pressure, liquid flow bigger to improve the washing effect of towards the tooth ware, promote the user and use experience and feel.

Further, as the eccentric wheel rotates, the movement directions of the two shift levers are opposite, so that the two water pump assemblies work in turn.

Furthermore, drive assembly still includes first fluted disc, and first eccentric shaft is installed to first fluted disc, and the eccentric wheel is installed in first eccentric shaft.

Compared with the prior art, through the mode that a plurality of driving levers were come the transmission to the first eccentric shaft of installation on first fluted disc, can simplify the structure to further reduce the water pump and occupy the possibility in towards tooth ware main part space, so that the installation.

Furthermore, a first gear is mounted on the rotating shaft of the motor, and the first fluted disc is provided with first teeth which are in meshed connection with the first gear.

Further, the diameter of the first toothed disc is larger than the diameter of the first gear.

Because the diameter of the first fluted disc is larger than that of the first gear, when a plurality of driving levers are driven by a motor with low power consumption to work, a stable working state can be obtained.

Furthermore, one end of the deflector rod is connected with the piston, and the other end of the deflector rod is provided with a first shaft hole for inserting the eccentric wheel.

Furthermore, the pump shell is provided with a water inlet and a water outlet, the water inlet and the water outlet are communicated with the pump cavity, each water inlet is connected with a water inlet pipeline, and each water outlet is communicated with a water outlet pipe.

Furthermore, the water inlets and the water outlets of the pump shells are arranged in a transversely and longitudinally staggered manner.

Furthermore, the water outlet pipe is a three-way pipe, the three-way pipe is provided with at least one water outlet end and at least two water inlet ends respectively communicated with the water outlet end, the nozzle is arranged at the water outlet end of the three-way pipe, and the pump cavity of a pump shell is communicated with the water inlet end.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the embodiments or the prior art description 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 for those skilled in the art, other drawings may be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic perspective view of a water pump of a tooth irrigator sharing an eccentric wheel according to an embodiment of the present application;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a partial cross-sectional view of the water pump of the dental irrigator of FIG. 1 sharing an eccentric;

fig. 4 is a partially enlarged view of fig. 3 at B.

Wherein, in the figures, the respective reference numerals:

10. a nozzle;

20. a water outlet pipe; 21. a three-way pipe;

30. a drive assembly; 31. a motor; 311. a first gear; 32. an eccentric wheel; 33. a first fluted disc; 331. a first eccentric shaft; 332. a first tooth;

40. a water pump assembly; 41. a pump housing; 411. a pump chamber; 412. a water inlet; 413. a water outlet; 414. a water inlet pipe; 415. a one-way valve; 42. a piston; 43. a deflector rod; 431. the first shaft hole.

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 and not restrictive on the broad 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.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

Referring to fig. 1 to 4 together, a water pump of a tooth irrigator which shares an eccentric wheel according to an embodiment of the present application will now be described. The utility model provides a water pump of tooth flushing device of sharing eccentric wheel, includes: nozzle 10, outlet pipe 20, drive assembly 30 and at least two water pump assemblies 40.

The water outlet pipe 20 is used for being in conduction connection with the nozzle 10, and the water outlet pipe 20 can pump out water in a water tank of the tooth flusher through the water pump assembly 40 and spray the water to the nozzle 10 through the water outlet pipe 20; the driving assembly 30 includes a motor 31 and an eccentric wheel 32 in transmission connection with a rotating shaft of the motor 31, the water pump assembly 40 includes a pump housing 41, a piston 42 and a deflector rod 43, the pump housing 41 is provided with a pump chamber 411 in conduction connection with the water outlet pipe 20, the piston 42 can move in the pump chamber 411 in a piston manner, one end of the deflector rod 43 is connected with the piston 42, and the other end of the deflector rod 43 is pivoted to the eccentric wheel 32.

In operation, the motor 31 drives the eccentric wheel 32 to rotate, and further drives the piston 42 to perform piston movement in the pump cavity 411 through the shift lever 43; when the piston 42 moves downwards relative to the pump chamber 411, negative pressure is generated in the pump chamber 411 and liquid in the water tank of the tooth flusher is sucked into the pump chamber 411, and when the piston 42 moves upwards relative to the pump chamber, pressure can be added to the pump chamber 411 so that the liquid in the pump chamber 411 is discharged from the water outlet pipe 20, and finally the liquid is sprayed out of the nozzle 10. Because the water pump assembly 40 has at least two, two water pump assembly 40 drive its work jointly through a drive assembly 30, and two water pumps are connected in a outlet pipe 20, so can improve the pressure of liquid and liquid water yield, let from nozzle 10 spun liquid pressure and water yield bigger to improve and wash tooth effect, improve user's use and experience and feel.

Because the motor 31 drives the eccentric wheel 32 to rotate, the driving rod 43 drives the piston 42 to perform piston motion in the pump cavity 411, so that two conditions exist when the two water pump assemblies 40 work; firstly, the two water pump assemblies 40 simultaneously carry out negative pressure water absorption and pressurization water drainage operations; the second one is that along with the rotation of the eccentric wheel, the motion directions of the two driving levers are opposite, so that the two water pump components work in turn; that is, at least two water pump assemblies 40 are operated, one is to suck water under negative pressure, and the other is to discharge water under increased pressure.

In the embodiment of the present application, the driving assembly 30 further includes a first gear plate 33, the first gear plate 33 is mounted with a first eccentric shaft 331, and the eccentric wheel 32 is mounted on the first eccentric shaft 331; a first gear 311 is mounted on a rotating shaft of the motor 31, and a first tooth disc 33 is provided with a first tooth 332 meshed with the first gear 311; moreover, the diameter of the first fluted disc 33 is larger than that of the first gear 311; because of the cooperation of first gear 311 and first fluted disc 33, can improve torsion to can use the motor 31 of little consumption to carry out the transmission, the transmission mode is more reliable and steady moreover.

As mentioned above, one end of the shift lever 43 is connected to the piston 42, and the other end of the shift lever 43 is provided with a first axial hole 431 into which the eccentric wheel 32 is inserted; the first shaft holes 431 of the plurality of shift levers 43 are coaxially arranged, so that the eccentric wheel 32 can be inserted in the axial direction of the plurality of first shaft holes 431 to complete installation, fastening is not needed by an auxiliary tool, and the installation is simpler and more convenient.

More specifically, the pump case 41 is provided with a water inlet 412 and a water outlet 413, the water inlet 412 and the water outlet 413 are both communicated with the pump chamber 411, and the water inlet 412 and the water outlet 413 of each pump case 41 are arranged in a staggered manner in the horizontal and vertical directions; the water inlet 412 is connected with a water inlet pipeline 414, the water outlet 413 is respectively communicated with a water outlet pipe 20, the other end of the water inlet pipeline 414 is communicated with a water tank of the tooth flushing device, the water outlet pipe 20 is connected with the water outlet 413, and the water inlet 412 and the water outlet 413 are provided with one-way valves 415. In the embodiment of the present application, a three-way pipe 21 is disposed in the center of the water outlet pipe 20, the three-way pipe 21 has at least one water outlet end and at least two water inlet ends respectively connected to the water outlet ends, the nozzle 10 is installed at the water outlet end of the three-way pipe 21, a pump cavity 411 of a pump housing 41 is connected to one of the water inlet ends, and finally the liquid in the water outlet pipe 20 flows to the nozzle 10 through the three-way pipe 21.

The foregoing is only a preferred embodiment of the present invention, and the technical principles of the present invention have been specifically described, and the description is only for the purpose of explaining the principles of the present invention, and should not be construed as limiting the scope of the present invention in any way. Any modifications, equivalents and improvements made within the spirit and principles of the invention and other embodiments of the invention without the creative effort of those skilled in the art are intended to be included within the protection scope of the invention.

Claims

1. A water pump of a tooth flushing device sharing an eccentric wheel comprises a nozzle (10) and a water outlet pipe (20) which is communicated with the nozzle (10), wherein the water outlet pipe (20) is used for conveying liquid to the nozzle (10); the method is characterized in that:

the water pump is characterized by further comprising a driving assembly (30) and at least two water pump assemblies (40), the driving assembly (30) comprises a motor (31) and an eccentric wheel (32) in transmission connection with a rotating shaft of the motor (31), the water pump assemblies (40) comprise a pump shell (41), a piston (42) and a deflector rod (43), the pump shell (41) is provided with a pump cavity (411) which is in conduction connection with a water outlet pipe (20), the piston can move in the pump cavity (411) through the piston, one end of the deflector rod (43) is connected with the piston (42), and the other end of the deflector rod (43) is pivoted to the eccentric wheel (32).

2. The water pump of the water toothpick according to claim 1, wherein said eccentric comprises: as the eccentric wheel (32) rotates, the movement directions of the two shift levers (43) are opposite, so that the two water pump assemblies (40) work in turn.

3. The eccentric-wheel-shared water pump for the water irrigator according to claim 1, wherein: the driving assembly (30) further comprises a first gear disc (33), a first eccentric shaft (331) is installed on the first gear disc (33), and the eccentric wheel (32) is installed on the first eccentric shaft (331).

4. The eccentric-wheel-shared water pump for the water irrigator according to claim 3, wherein: a first gear (311) is installed on a rotating shaft of the motor (31), and a first tooth disc (33) is provided with first teeth (332) connected with the first gear (311) in a meshed mode.

5. The eccentric-wheel-shared water pump for the water irrigator according to claim 4, wherein: the diameter of the first toothed disc (33) is greater than the diameter of the first gear wheel (311).

6. The water pump of the water toothpick according to claim 1, wherein said eccentric comprises: one end of the deflector rod (43) is connected with the piston (42), and the other end of the deflector rod (43) is provided with a first shaft hole (431) for inserting the eccentric wheel (32).

7. The water pump of the water toothpick according to claim 1, wherein said eccentric comprises: the pump shell (41) is provided with a water inlet (412) and a water outlet (413), the water inlet (412) and the water outlet (413) are both communicated with the pump cavity (411), each water inlet (412) is connected with a water inlet pipeline (414), and each water outlet (413) is respectively communicated with the water outlet pipe (20).

8. The water pump of the water toothpick according to claim 1, wherein said eccentric comprises: the water inlets (412) and the water outlets (413) of the pump shells (41) are arranged in a transversely and longitudinally staggered mode.

9. The water pump of the water toothpick according to claim 1, wherein said eccentric comprises: the water outlet pipe (20) is a three-way pipe (21), the three-way pipe (21) is provided with at least one water outlet end and at least two water inlet ends respectively communicated with the water outlet end, the nozzle (10) is arranged at the water outlet end of the three-way pipe (21), and a pump cavity (411) of the pump shell (41) is communicated with one water inlet end.