CN212326641U

CN212326641U - Elastic structure in brush handle of electric toothbrush

Info

Publication number: CN212326641U
Application number: CN202020136716.5U
Authority: CN
Inventors: 陈秋文
Original assignee: National Music Intelligent Technology Nanjing Co ltd
Current assignee: National Music Intelligent Technology Nanjing Co ltd
Priority date: 2019-09-25
Filing date: 2020-01-20
Publication date: 2021-01-12
Anticipated expiration: 2030-01-20

Abstract

The utility model discloses an inside elastic construction of brush holder of electric toothbrush, including the brush holder, the inside bottom butt fusion of brush holder has the motor cabinet, the upper surface of motor cabinet is seted up flutedly, the inner wall sliding connection of recess has the motor cover, fixedly connected with spring between the bottom of motor cover and the bottom surface of recess, the inboard of motor cover is inlayed and is had the motor, the top fixedly connected with motor shaft of motor, it has the second silica gel layer to inlay between the periphery of the upper end of motor shaft and the brush holder, the periphery of motor shaft bottom is provided with a plurality of spring leaf, it has a plurality of silica gel grain to fill between the periphery of motor upper end and the inner wall of brush holder, the cavity has been seted up to the inside of silica gel grain, a plurality of through. Through the cooperation setting of motor cabinet and motor cover, can avoid on the vibrations that the motor produced directly transmit the brush holder, through the silica gel grain of motor periphery, can carry out the shock attenuation to the periphery of motor, can reduce the noise that produces when the motor moves simultaneously.

Description

Elastic structure in brush handle of electric toothbrush

Technical Field

The utility model relates to the technical field of electric toothbrushes, in particular to an elastic structure inside a brush handle of an electric toothbrush.

Background

The electric toothbrush is a toothbrush invented by Philippe-GuyWoog, and is used as a personal care appliance in the field of oral care. Compared with the common toothbrush, the toothbrush has the advantages of more thoroughly removing dental plaque and more scientifically and effectively reducing oral diseases including gingivitis, periodontal disease, gingival bleeding and the like, and is gradually favored by consumers.

The existing electric toothbrush handle is internally provided with an elastic mechanism, so that the phenomenon that the motor generates large vibration when running to influence the gripping experience of a user is prevented, and meanwhile, the electric appliance elements inside the electric toothbrush are prevented from being damaged by vibration. However, most of the existing electric toothbrushes have simple damping elastic structures and poor damping and buffering effects, so that an elastic structure in a brush handle of the electric toothbrush is provided to solve the technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an elastic structure inside a brush handle of an electric toothbrush, which solves the problems that the prior majority of electric toothbrushes provided by the background technology have simple damping elastic structure and relatively poor damping and buffering effects.

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

an elastic structure in a brush holder of an electric toothbrush comprises a brush holder, wherein a control switch is inlaid on the outer surface of the brush holder, a motor base is welded at the bottom end in the brush holder, a first silica gel layer is filled between the bottom of the motor base and the bottom surface in the brush holder, a groove is formed in the upper surface of the motor base, a motor sleeve is connected to the inner wall of the groove in a sliding manner, a spring is fixedly connected between the bottom of the motor sleeve and the bottom surface of the groove, a motor is inlaid in the inner side of the motor sleeve, a motor shaft is fixedly connected to the top of the motor, a second silica gel layer is inlaid between the outer periphery of the upper end of the motor shaft and the brush holder, a plurality of spring pieces are arranged on the outer periphery of the bottom end of the motor shaft and inlaid on the inner wall of the upper end in the brush holder, and, the silica gel particle is characterized in that a cavity is formed in the silica gel particle, a plurality of through holes are uniformly formed in the outer surface of the silica gel particle, and the bottom ends of the through holes are communicated with the cavity.

Further, the control switch is matched with the motor for use.

Further, the spring is in a compressed state.

Furthermore, the first silica gel layer, the second silica gel layer and the silica gel particles are all made of silica gel materials.

Further, the spring piece is made of spring steel and is in a semicircular ring shape.

Furthermore, the spring pieces are distributed in a centrosymmetric mode by taking the axis of the motor shaft as the center, and the spring pieces are tangent to the outer surface of the motor shaft.

Further, the silica gel grain from top to bottom evenly fills between motor and brush handle to it is tangent between two adjacent silica gel grains.

Compared with the prior art, the utility model discloses the beneficial effect who realizes:

through the matching arrangement of the motor base and the motor sleeve, the bottom of the motor can be damped, meanwhile, the motor is prevented from being directly contacted with the shell of the brush handle, and the vibration generated by the motor is prevented from being directly transmitted to the brush handle;

the periphery of the motor can be damped through the silica gel particles on the periphery of the motor, and meanwhile, a sound attenuation effect can be achieved by utilizing cavities and through holes in the silica gel particles, so that noise generated when the motor operates is reduced;

through the cooperation setting of spring leaf and motor shaft, when the motor shaft vibrations, the spring leaf can the atress and produce elastic deformation to the impact force that produces when this can offset some vibrations improves the stability of electric toothbrush vibrations.

Drawings

Fig. 1 is a schematic diagram of the external structure of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the present invention.

Fig. 3 is a partially enlarged view of a portion a of fig. 2 according to the present invention.

In FIGS. 1-3: 1-brush handle, 2-control switch, 3-motor base, 301-groove, 4-motor sleeve, 5-spring, 6-first silica gel layer, 7-motor, 8-motor shaft, 9-spring piece, 10-second silica gel layer, 11-silica gel particles, 1101-cavity and 1102-through hole.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Please refer to fig. 1 to 3:

the utility model provides an elastic structure inside the brush holder of an electric toothbrush, which comprises a brush holder 1, and each part of the elastic structure inside the brush holder of an electric toothbrush is described in detail below:

a control switch 2 is embedded in the outer surface of the brush handle 1, a motor base 3 is welded at the bottom end inside the brush handle 1, a first silica gel layer 6 is filled between the bottom of the motor base 3 and the bottom surface inside the brush handle 1, a groove 301 is formed in the upper surface of the motor base 3, a motor sleeve 4 is connected to the inner wall of the groove 301 in a sliding mode, and a spring 5 is fixedly connected between the bottom of the motor sleeve 4 and the bottom surface of the groove 301;

specifically, the motor 7 can be controlled to be switched on and off through the control switch 2, the first silica gel layer 6 can play a certain shock absorption effect on the bottom of the motor base 3, the bottom of the motor 7 can be damped in the running process of the motor 7 through the sliding connection between the groove 301 of the motor base 3 and the motor sleeve 4 and the matching of the spring 5, meanwhile, the motor 7 is prevented from being directly contacted with the shell of the brush handle 1, the shock generated by the motor 7 is prevented from being directly transmitted to the brush handle 1, the spring 5 can generate an upward pre-tightening force when being compressed, and the pre-tightening force can ensure that the motor 7 can be stably fixed in the brush handle 1 and cannot shake;

according to the above, the motor 7 is embedded in the inner side of the motor sleeve 4, the top of the motor 7 is fixedly connected with the motor shaft 8, the second silica gel layer 10 is embedded between the periphery of the upper end of the motor shaft 8 and the brush holder 1, the periphery of the bottom end of the motor shaft 8 is provided with the plurality of spring pieces 9, the spring pieces 9 are embedded on the inner wall of the upper end inside the brush holder 1, the plurality of silica gel particles 11 are filled between the periphery of the upper end of the motor 7 and the inner wall of the brush holder 1, the cavity 1101 is formed inside the silica gel particles 11, the outer surface of the silica gel particles 11 is uniformly provided with the plurality of;

specifically, the motor 7 can drive the motor shaft 8 to vibrate after being started, the second silica gel layer 10 filled between the motor shaft 8 and the brush handle 1 can well ensure that the motor shaft 8 can be fixed in the brush handle, and can play a certain role in damping and buffering, and when the motor shaft 8 vibrates, the spring piece 9 can be stressed to generate elastic deformation, so that impact force generated when a part of vibration can be counteracted, and the vibration stability of the electric toothbrush is improved;

meanwhile, in the operation process of the motor 7, the silica gel particles 11 absorb shock to the side surface of the motor 7, and the silica gel particles 11 can absorb and offset sound generated in the operation process of the motor 7 by utilizing the cavities 1101 and the through holes 1102, so that a certain noise reduction effect can be achieved.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides an inside elastic construction of brush holder of electric toothbrush, includes brush holder (1), its characterized in that: the outer surface of the brush handle (1) is inlaid with a control switch (2), the bottom inside the brush handle (1) is welded with a motor base (3), a first silica gel layer (6) is filled between the bottom of the motor base (3) and the bottom inside the brush handle (1), a groove (301) is formed in the upper surface of the motor base (3), a motor sleeve (4) is connected to the inner wall of the groove (301) in a sliding mode, a spring (5) is fixedly connected between the bottom of the motor sleeve (4) and the bottom of the groove (301), a motor (7) is inlaid in the inner side of the motor sleeve (4), a motor shaft (8) is fixedly connected to the top of the motor (7), a second silica gel layer (10) is inlaid between the periphery of the upper end of the motor shaft (8) and the brush handle (1), and a plurality of spring pieces (9) are arranged on the periphery of the bottom end of the motor, spring leaf (9) are inlayed on the inner wall of the inside upper end of brush holder (1), it has a plurality of silica gel grain (11) to fill between the periphery of motor (7) upper end and the inner wall of brush holder (1), cavity (1101) have been seted up to the inside of silica gel grain (11), a plurality of through-hole (1102) have evenly been seted up to the surface of silica gel grain (11), the bottom and the cavity (1101) of through-hole (1102) communicate with each other.

2. The resilient structure within the handle of an electric toothbrush of claim 1, wherein: the control switch (2) is matched with the motor (7) for use.

3. The resilient structure within the handle of an electric toothbrush of claim 1, wherein: the spring (5) is in a compressed state.

4. The resilient structure within the handle of an electric toothbrush of claim 1, wherein: the first silica gel layer (6), the second silica gel layer (10) and the silica gel particles (11) are all made of silica gel materials.

5. The resilient structure within the handle of an electric toothbrush of claim 1, wherein: the spring piece (9) is made of spring steel, and the spring piece (9) is semicircular.

6. The resilient structure within the handle of an electric toothbrush of claim 1, wherein: the spring pieces (9) are distributed in a centrosymmetric mode by taking the axis of the motor shaft (8) as the center, and the spring pieces (9) are tangent to the outer surface of the motor shaft (8).

7. The resilient structure within the handle of an electric toothbrush of claim 1, wherein: the silica gel particles (11) are uniformly filled between the motor (7) and the brush handle (1) from top to bottom, and the adjacent two silica gel particles (11) are tangent.