CN217652898U

CN217652898U - Noise reduction structure

Info

Publication number: CN217652898U
Application number: CN202220683507.1U
Authority: CN
Inventors: 李冬保; 李保正
Original assignee: Shenzhen Risun Technology Co Ltd
Current assignee: Shenzhen Risun Technology Co Ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-10-25
Anticipated expiration: 2032-03-25

Abstract

The utility model discloses a structure of making an uproar falls for on dashing the tooth ware, it includes the pump body, piston rod and driver to dash the tooth ware, be equipped with the piston in the pump body, piston rod's one end insert be connected to the inside of piston, fall the structure of making an uproar including being used for reducing the body of making an uproar that falls of the noise that dashes tooth ware during operation sent, the power take off end of driver passes through fall the body of making an uproar with piston rod's the other end is connected, in order to be used for driving the piston to be in reciprocating motion in the pump body, it has along to fall the body of making an uproar the power take off end of driver rotate time with the first lubricant film that the power take off end friction of driver produced, it still has the second lubricant film to fall the body of making an uproar, the second lubricant film is located piston rod and fall in the clearance that forms between the body of making an uproar. Can greatly reduce the noise generated by the operation of the tooth flushing device.

Description

Noise reduction structure

Technical Field

The utility model relates to a towards tooth ware field, especially relate to a structure of making an uproar falls.

Background

The tooth flusher is an auxiliary tool for cleaning oral cavity, and is a tool for cleaning teeth and tooth gaps by means of high-pressure pulse water flow impact, and is mainly portable and table-type, and its flushing pressure is generally 0-150 psi.

The existing tooth flushing device can generate great noise in the using process, so that the using experience is influenced; in order to reduce noise, a plurality of sound-absorbing cotton blocks are generally arranged between the water pump and the shell of the tooth flushing device on the market, but the noise reduction effect is not ideal and the cost is high.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a noise reduction structure which can greatly reduce the noise generated by the work of the tooth flushing device.

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

the utility model provides a structure of making an uproar falls for on dashing the tooth ware, it includes the pump body, piston rod and driver to dash the tooth ware, be equipped with the piston in the pump body, the one end of piston rod inserts and is connected to the inside of piston, fall the structure of making an uproar including being used for reducing the body of making an uproar that falls that dashes the noise that the tooth ware during operation sent, the power take off end of driver passes through fall the body of making an uproar with the other end of piston rod is connected, in order to be used for driving the piston reciprocating motion in the pump body, fall the body of making an uproar have along when the power take off end of driver rotates with the power take off end friction of driver produces the first lubricant film, it still has the second lubricant film to fall the body of making an uproar, the second lubricant film is located piston rod and fall the clearance that forms between the body of making an uproar.

Further, it is the hollow cylinder structure of both ends open-ended to fall the body of making an uproar, the driver includes motor, drive gear and eccentric gear, the drive gear cover is located on the output shaft of motor, eccentric gear with drive gear meshes, the top of eccentric gear is equipped with eccentric post, the periphery side of eccentric post is rotated the cover and is equipped with at least one fall the body of making an uproar, the other end of piston rod is equipped with both ends opening and hollow connecting sleeve post, the connecting sleeve post cover is established fall the periphery side of the body of making an uproar, the internal surface and the surface of falling the body of making an uproar evenly coated respectively have first lubricant blanket and second lubricant blanket.

Furthermore, the outer side wall of the noise reduction body is provided with a notch which extends along the axial direction of the noise reduction body and penetrates through the end parts of the two axial ends of the noise reduction body.

Further, the top end opening of the connecting sleeve column extends inwards in the radial direction to form an annular stopping part.

Further, the first lubricating layer and the second lubricating layer are lubricating grease.

Furthermore, the noise reduction body is made of metal.

Further, the noise reduction body is made of copper.

Furthermore, the noise reduction body is made of a non-metal material.

Furthermore, the noise reduction body is made of Teflon material.

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

the utility model discloses in, because the power take off end of driver is connected with the piston rod other end through falling the body of making an uproar, when the power take off end operation of driver, the accessible falls the body of making an uproar and plays the cushioning effect to avoid violent vibrations to cause the noise, the power take off end that has reduced the driver simultaneously through first lubricating layer and second lubricating layer at the during operation and fall the friction between the body of making an uproar, reduced piston rod and fall the friction between the body of making an uproar through the second lubricating layer, thereby avoid the friction and lead to producing the noise. The utility model discloses a structure of making an uproar falls has realized reducing the power take off end of driver and has fallen the body of making an uproar and fall the friction between the body of making an uproar and the piston rod to realize the effect of safe noise reduction.

Drawings

FIG. 1 is an exploded view of a tooth irrigator according to 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 a schematic view of a noise reduction structure provided by the present invention;

fig. 7 is an exploded view of a main body of the tooth rinsing device provided by the present invention;

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; 224. an eccentric column; 225. a noise reducing body; 2251. a first lubricant layer; 2252. a second lubricant layer; 2253. a notch; 226. a piston connecting rod; 2261. connecting a sleeve column; 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" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill 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. 5-7, for the present invention provides a noise reduction structure for use in a tooth punching device, as shown in fig. 1-4, the tooth punching device includes a pump body 228, a piston rod 226 and a driver, a piston 227 is disposed in the pump body 228, one end of the piston rod 226 is inserted into the piston 227, wherein the noise reduction structure includes a noise reduction body 225 for reducing noise generated when the tooth punching device operates, a power output end of the driver is connected to the other end of the piston rod 226 through the noise reduction body 225, so as to drive the piston 227 to reciprocate in the pump body 228, the noise reduction body 225 has a first lubrication layer 2251 generated by friction with the power output end of the driver when rotating along with the power output end of the driver, the noise reduction body 225 also has a second lubrication layer 2252, and the second lubrication layer 2252 is located in a gap formed between the piston rod 226 and the noise reduction body 225.

The utility model discloses in, because the power take off end of driver is connected with the piston rod 226 other end through making an uproar body 225 falls, when the power take off end operation of driver, the accessible falls the body 225 of making an uproar and plays the cushioning effect of making an uproar, thereby avoid acutely shaking and cause the noise, the power take off end that has reduced the driver simultaneously through first lubricating layer 2251 at the during operation and fall the friction between the body 225 of making an uproar, through second lubricating layer 2252 reduced piston rod 226 and fall the friction between the body 225 of making an uproar, thereby avoid contact friction and lead to producing the noise. The utility model discloses a structure of making an uproar falls has realized reducing the power take off end of driver and has fallen the body 225 of making an uproar and fall the friction between the body 225 of making an uproar and piston rod 226 to realize the effect of safe noise reduction.

As a preferred embodiment, the noise reduction body 225 is a hollow cylinder structure with openings at two ends, the driver includes a motor 221, a transmission gear 222 and an eccentric gear 223, the transmission gear 222 is sleeved on an output shaft of the motor 221, the eccentric gear 223 is meshed with the transmission gear 222, an eccentric column 224 is disposed at a top end of the eccentric gear 223, at least one noise reduction body 225 is rotatably sleeved on an outer circumferential side of the eccentric column 224, a hollow connecting sleeve column 2261 with openings at two ends is disposed at the other end of the piston connecting rod 226, the connecting sleeve column 2261 is sleeved on the outer circumferential side of the noise reduction body 225, and the first lubricating layer 2251 and the second lubricating layer 2252 are uniformly coated on an inner surface and an outer surface of the noise reduction body 225 respectively.

In this embodiment, the inner surface and the outer surface of the noise reducing body 225 are coated with the first lubricating layer 2251 and the second lubricating layer 2252, respectively, so that the friction coefficient between the inner wall and the outer wall of the noise reducing body 225 is very low, the contact friction between the noise reducing body 225 and the connecting sleeve 2261 and the contact friction between the noise reducing body 225 and the eccentric column 224 are reduced, and the frictional noise is reduced, thereby achieving a more ideal noise reducing effect.

In a preferred embodiment, the outer sidewall of the noise reducing body 225 is provided with notches 2253 extending along the axial direction of the noise reducing body 225 and penetrating through the two axial end portions of the noise reducing body 225. In this embodiment, the axial direction of the noise reducer 225 is taken as the vertical direction, and a notch 2253 penetrating the noise reducer 225 vertically is formed on the sidewall of the noise reducer 225; the gap 2253 is provided to automatically change the diameter of the noise reducer 225, which may reduce the fit clearance between the power take-off of the driver and the piston rod 226.

In a preferred embodiment, the top opening of the coupling sleeve 2261 extends radially inward with an annular stop 2262. By providing the annular stopper 2262, the noise reducing body 225 is positioned away from the eccentric post 224.

In a preferred embodiment, both the first lubricating layer 2251 and the second lubricating layer 2252 are lubricating grease.

In a preferred embodiment, the noise reduction body 225 is made of metal.

In a preferred embodiment, the noise reduction body 225 is made of copper and has high wear resistance, so that the abrasion between the noise reduction body 225 and the eccentric column 224 is reduced, the noise during the gear operation is reduced, and the service life is prolonged.

In a preferred embodiment, the noise reduction body 225 is made of a non-metal material.

In a preferred embodiment, the noise reducer 225 is made of teflon, has high wear resistance, and achieves the effect of light weight, thereby greatly reducing the noise generated during the operation of the tooth irrigator.

Additionally, the utility model provides a tooth flushing device, wherein, including nozzle 1, host computer 2 and water tank 3, host computer 2 includes casing 21 and locates the pump package spare 22 in casing 21, and pump package spare 22 includes the pump body 228, piston rod 226 and driver. The transmission gear 222 is driven to rotate by the motor 221, 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 body 225 to rotate, the noise reduction body 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 of the nozzle 1; through set up between piston connecting rod 226 and eccentric gear 223 and fall the body 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, an eccentric shaft 229 is rotatably connected to the inside of the eccentric 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, the housing 21 comprises 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 on the basis of the present invention are all within the protection scope of the present invention.

Claims

1. A noise reduction structure for use in a dental irrigator comprising a pump body (228), a piston rod (226) and a driver, a piston (227) being provided in the pump body (228), one end of the piston rod (226) being inserted into and connected to the interior of the piston (227), characterized in that the noise reduction structure comprises a noise reduction body (225) for reducing noise generated when the dental irrigator is in operation, a power take-off of the driver being connected to the other end of the piston rod (226) through the noise reduction body (225) for driving the piston (227) to reciprocate within the pump body (228), the noise reduction body (225) having a first lubricating layer (2251) which is caused by friction with the power take-off of the driver when rotating with the power take-off of the driver, the noise reduction body (225) further having a second lubricating layer (2252), the second lubricating layer (2252) being located in a gap formed between the piston rod (226) and the noise reduction body (225).

2. The noise reduction structure according to claim 1, wherein the noise reduction body (225) is a hollow cylinder structure with openings at two ends, the driver includes a motor (221), a transmission gear (222) and an eccentric gear (223), the transmission gear (222) is sleeved on an output shaft of the motor (221), the eccentric gear (223) is meshed with the transmission gear (222), an eccentric column (224) is arranged at a top end of the eccentric gear (223), at least one noise reduction body (225) is rotatably sleeved on an outer peripheral side of the eccentric column (224), a hollow connecting sleeve column (2261) with openings at two ends is arranged at the other end of the piston connecting rod (226), the connecting sleeve column (2261) is sleeved on the outer peripheral side of the noise reduction body (225), and the first lubricating layer (2251) and the second lubricating layer (2252) are uniformly coated on an inner surface and an outer surface of the noise reduction body (225), respectively.

3. The noise reduction structure according to claim 2, wherein the outer side wall of the noise reduction body (225) is provided with notches (2253) extending along the axial direction of the noise reduction body (225) and penetrating through the axial ends of the noise reduction body (225).

4. Noise reduction structure according to claim 2, characterized in that the top end opening of the coupling studs (2261) extends radially inwards with an annular stop (2262).

5. Noise reduction structure according to claim 1, characterized in that both the first (2251) and the second (2252) lubrication layers are of lubricating grease.

6. Noise reducing structure according to any of claims 1-5, characterized in that the noise reducing body (225) is of metal.

7. Noise reducing structure according to claim 6, characterized in that the noise reducing body (225) is of copper material.

8. Noise reducing structure according to any of claims 1-5, characterized in that the noise reducing body (225) is of non-metallic material.

9. Noise reducing structure according to claim 8, characterized in that the noise reducing body (225) is of teflon.