CN217999808U - Transmission assembly and tooth flushing device - Google Patents

Abstract

The utility model discloses a drive assembly and towards tooth ware, including the pump body, motor, eccentric gear and piston rod, the inside of the pump body is equipped with the piston, the output shaft of motor is equipped with drive gear, drive gear and eccentric gear meshing, eccentric gear's top is equipped with eccentric rotation post, the week side rotation of eccentric rotation post is connected with the part of making an uproar of falling, piston rod's a pot head is established fall on the part of making an uproar, piston rod's the other end insert be connected to the inside of piston, the motor via drive gear, eccentric gear, fall the part of making an uproar and piston rod drive piston at the internal reciprocating motion of pump. Can reduce the vibration and the noise that the ware of washing one's teeth in the use produced, promote user's experience and feel.

Description

Transmission assembly and tooth flushing device

Technical Field

The utility model relates to a towards tooth ware technical field, especially relate to a transmission assembly and towards tooth ware.

Background

With the increasing awareness of oral health, teeth cleaning is also regarded by more and more people, and how to clean slits between teeth is also concerned by more and more people. At present, high-pressure pulse water flow is an accepted method for cleaning teeth gaps. In the prior art, either a hand-held or a stand-type dental irrigator generally comprises a housing, a pump, a reservoir, a motor, a nozzle, a control circuit board and related fluid lines. The motor and the pump driven by the motor are arranged in the accommodating cavity surrounded by the shell and directly or indirectly carried by the shell. The water pumped out from the liquid storage tank by the pump is sprayed out from the sharp mouth end of the spray pipe in a high-pressure water flow mode, and then teeth, slits between teeth, gums or tongues are cleaned.

However, the existing toothpicks on the market have large noise, cause discomfort in user experience and have poor experience, so the low-noise and ultra-silent toothpicks are the bottleneck problems which are urgently needed to be solved in the market at present.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a transmission assembly which can reduce the vibration and noise generated in the using process.

The utility model discloses an one of the purpose adopts following technical scheme to realize:

the utility model provides a transmission assembly, includes the pump body, motor, eccentric gear and piston rod, the pump body have with the water inlet that the water tank is connected and with the delivery port that the nozzle is connected, the inside of the pump body is equipped with the piston, the output shaft of motor is equipped with drive gear, drive gear and eccentric gear meshing, eccentric gear's top is equipped with the eccentric rotation post, the week side rotation of eccentric rotation post is connected with the part of making an uproar that falls, piston rod's a pot head is established on the part of making an uproar falls, piston rod's the other end inserts and is connected to the inside of piston, the motor via drive gear, eccentric gear, fall the part of making an uproar and piston rod drive piston reciprocating motion in the pump body.

Furthermore, one end of the piston connecting rod is provided with a hollow connecting cylinder with two open ends, and the connecting cylinder is sleeved on the outer peripheral side of the noise reduction component so as to realize concentric rotation of the piston connecting rod and the noise reduction component.

Furthermore, the teeth on the transmission gear and the eccentric gear are inclined.

Furthermore, an eccentric shaft is rotatably connected inside the eccentric rotating column, and the rotation axis of the output shaft of the motor is perpendicular to the rotation axis of the eccentric shaft.

Further, an annular stopping portion for stopping the noise reduction component extends radially inwards from the top end opening of the connecting cylinder.

Furthermore, the noise reduction component is a hollow noise reduction cylinder with two open ends.

Further, the inner surface and the outer surface of the noise reduction cylinder are respectively and uniformly coated with a lubricating coating.

Further, the lubricating coating is a lubricating grease.

Further, the noise reduction part is made of a copper material or a Teflon material.

The second purpose of the utility model is to provide a tooth washing device, which can reduce the vibration and noise generated during the use of the tooth washing device, and improve the experience of users.

The second purpose of the utility model is realized by adopting the following technical scheme:

the utility model provides a tooth flushing device, includes nozzle, host computer and water tank, the host computer includes the casing, still includes foretell drive assembly, drive assembly establish with the casing in, the pump body have with the water inlet that the water tank is connected and with the delivery port that the nozzle is connected.

Compared with the prior art, the beneficial effects of the utility model reside in that:

in the utility model, the transmission gear is driven to rotate by the motor, the transmission gear is meshed with the eccentric gear, the transmission gear drives the eccentric gear to rotate, the eccentric gear drives the noise reduction part to rotate, the noise reduction part drives the piston connecting rod to rotate, and the piston connecting rod drives the piston to reciprocate, so that water in the pump body is sprayed out; through set up the part of making an uproar of falling between piston connecting rod and eccentric gear, reduced vibration between gear and the piston connecting rod, and then played the effect of noise reduction, structural design is reasonable, has promoted user's experience greatly and has felt.

Drawings

Fig. 1 is an exploded view of a tooth irrigator provided by the present invention;

FIG. 2 is a schematic view of a main body of the tooth rinsing device provided by the present invention;

FIG. 3 isbase:Sub>A cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 5 is an enlarged view at C of FIG. 4;

fig. 6 is an exploded view of a transmission assembly provided by the present invention;

fig. 7 is a schematic view of an eccentric gear of a transmission assembly provided by the utility model;

in the figure: 1. a nozzle; 2. a host; 21. a housing; 211. an upper bracket; 212. a lower bracket; 22. a pump assembly; 221. a motor; 222. a transmission gear; 223. an eccentric gear; 2231. teeth; 224. an eccentric rotation post; 225. a noise reduction component; 2251. a lubricating coating; 226. a piston connecting rod; 2261. connecting the columns; 2262. an annular stop; 227. a piston; 228. a pump body; 229. an eccentric shaft; 3. a water tank.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "inner", "outer", 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 simplicity of description, and 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," "one," "another," and the like are used to distinguish similar elements, and these terms and other similar terms are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. Corresponding reference numerals are used throughout the figures to indicate corresponding or corresponding elements (e.g., elements identified as "1XX" and "2XX" are structurally identical and functionally similar).

As shown in fig. 1-7, for the utility model provides a transmission assembly, including the pump body 228, motor 221, eccentric gear 223 and piston connecting rod 226, the inside of pump body 228 is equipped with piston 227, the output shaft of motor 221 is equipped with drive gear 222, drive gear 222 and eccentric gear 223 mesh, the top of eccentric gear 223 is equipped with eccentric rotation post 224, the week side rotation of eccentric rotation post 224 is connected with noise reduction part 225, a pot head of piston connecting rod 226 is in on noise reduction part 225, the other end of piston connecting rod 226 insert be connected to the inside of piston 227, motor 221 drives piston 227 through drive gear 222, eccentric gear 223, noise reduction part 225 and piston connecting rod 226 and reciprocates in pump body 228.

In the utility model, the motor 221 drives the transmission gear 222 to rotate, the transmission gear 222 is meshed with the eccentric gear 223, the transmission gear 222 drives the eccentric gear 223 to rotate, the eccentric gear 223 drives the noise reduction part 225 to rotate, the noise reduction part 225 drives the piston connecting rod 226 to rotate, and the piston connecting rod 226 drives the piston 227 to reciprocate, so that water in the pump body 228 is sprayed out; through set up between piston connecting rod 226 and eccentric gear 223 and fall part 225 of making an uproar, reduced vibration between eccentric gear 223 and the piston connecting rod 226, and then played the effect of noise reduction, structural design is reasonable, has promoted user's experience greatly and has felt.

In a preferred embodiment, one end of the piston rod 226 is provided with a hollow connecting cylinder 2261 with two open ends, and the connecting cylinder 2261 is sleeved on the outer circumferential side of the noise reduction component 225 to realize the concentric rotation of the piston rod 226 and the noise reduction component 225. By providing the connecting cylinder 2261, the piston rod 226 and the noise reduction component 225 can rotate concentrically, and the noise reduction component 225 can be assembled quickly.

In a preferred embodiment, the teeth 2231 of the transmission gear 222 and the eccentric gear 223 are inclined. Therefore, the teeth 2231 of the transmission gear 222 and the eccentric gear 223 are in inclined contact when rotating, the contact time of the teeth 2231 is relatively prolonged, the noise generated by instantaneous contact is reduced, and the inclined teeth 2231 are almost free of gaps when being engaged with each other, so that the noise generated by the rotation between the gears is greatly reduced, and the noise reduction effect is further improved.

In a preferred embodiment, an eccentric shaft 229 is rotatably connected to the inside of the eccentric rotation column 224, and a rotation axis of an output shaft of the motor 221 is perpendicular to a rotation axis of the eccentric shaft 229. Therefore, the length direction of the motor 221 is positioned on or parallel to the rotating surface of the eccentric gear 223, so that the occupation of an overlarge space is avoided, the whole volume of the tooth flushing device is reduced, and the tooth flushing device is convenient to carry.

In a preferred embodiment, an annular stopper 2262 for stopping the noise reduction member 225 extends radially inward from the top opening of the connection cylinder 2261. The provision of the annular stopper 2262 prevents the noise reduction member 225 from being disengaged from the eccentric rotation post 224.

In a preferred embodiment, the noise reduction component 225 is a hollow noise reduction cylinder with two open ends. This facilitates installation with the eccentric rotation post 224 and the coupling post 2261.

In a preferred embodiment, the inner and outer surfaces of the noise reduction cylinder are uniformly coated with a lubricating coating 2251, respectively. The friction coefficient of the inner wall and the outer wall of the noise reduction cylinder is very low, and the contact friction between the noise reduction cylinder and the connecting cylinder 2261 and the contact friction between the noise reduction cylinder and the eccentric rotation cylinder 224 are reduced, so that the friction noise is reduced, and the ideal noise reduction effect is achieved.

As a preferred embodiment, the lubricating coating 2251 is a lubricating grease.

In a preferred embodiment, the noise reduction features 225 are copper or teflon material. The copper material or the Teflon material has high wear resistance, so that the abrasion of the noise reduction part 225 and the eccentric rotation column 224 is reduced, the noise during the gear operation is reduced, and the service life is prolonged. In addition, the teflon material also has the effect of light weight.

The utility model also provides a tooth flushing device, including nozzle 1, host computer 2 and water tank 3, host computer 2 includes casing 21, still includes foretell drive assembly, and in drive assembly located casing 21, the pump body 228 have with the water inlet that water tank 3 is connected and with the delivery port that nozzle 1 is connected. By applying the transmission assembly to the tooth rinsing device, the noise generated in the use process is greatly reduced.

In a preferred embodiment, the housing 21 includes an upper bracket 211 and a lower bracket 212 which are detachably mounted, and the upper bracket 211 and the lower bracket 212 are assembled to form a cavity for accommodating the pump assembly 22. The upper bracket 211 and the lower bracket 212 are removably connected to facilitate maintenance and replacement of the pump assembly 22 within the cavity.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (10)

1. The utility model provides a transmission assembly, characterized in that, includes the pump body (228), motor (221), eccentric gear (223) and piston connecting rod (226), the inside of pump body (228) is equipped with piston (227), the output shaft of motor (221) is equipped with drive gear (222), drive gear (222) and eccentric gear (223) meshing, the top of eccentric gear (223) is equipped with eccentric rotation post (224), the week side rotation of eccentric rotation post (224) is connected with noise reduction part (225), the pot head of piston connecting rod (226) is in on noise reduction part (225), the other end of piston connecting rod (226) inserts and is connected to the inside of piston (227), motor (221) via drive gear (222), eccentric gear (223), noise reduction part (225) and piston connecting rod (226) drive piston (227) reciprocating motion in pump body (228).

2. The transmission assembly according to claim 1, wherein one end of the piston rod (226) is provided with a hollow connecting cylinder (2261) with two open ends, and the connecting cylinder (2261) is sleeved on the outer periphery of the noise reduction component (225) to realize the concentric rotation of the piston rod (226) and the noise reduction component (225).

3. The transmission assembly according to claim 1, characterized in that the teeth (2231) of the transmission gear (222) and of the eccentric gear (223) are inclined.

4. The transmission assembly according to claim 1, characterized in that an eccentric shaft (229) is rotatably connected inside the eccentric rotation column (224), and the rotation axis of the output shaft of the motor (221) is arranged perpendicular to the rotation axis of the eccentric shaft (229).

5. The transmission assembly according to claim 2, wherein the top end opening of the coupling cylinder (2261) extends radially inwards with an annular stop (2262) for stopping the noise reduction means (225).

6. The drive assembly of claim 1, wherein the noise reduction features (225) are noise reduction cylinders open at both ends and hollow.

7. The drive assembly of claim 6, wherein the inner and outer surfaces of the noise reduction cylinder are each uniformly coated with a lubricating coating (2251).

8. The transmission assembly of claim 7, wherein the lubricating coating (2251) is grease.

9. The drive assembly of claim 1, wherein the noise reduction features (225) are copper material or teflon material.

10. A tooth-rinsing device, characterized by comprising a nozzle (1), a main body (2) and a water tank (3), wherein the main body (2) comprises a housing (21) and a transmission assembly according to any one of claims 1 to 9, the transmission assembly is arranged in the housing (21), and the pump body (228) has a water inlet connected with the water tank (3) and a water outlet connected with the nozzle (1).

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