CN214104720U

CN214104720U - Electric toothbrush shaft structure

Info

Publication number: CN214104720U
Application number: CN202023155882.9U
Authority: CN
Inventors: 马洪良
Original assignee: Suzhou Merritt Electronics Technology Co ltd
Current assignee: Suzhou Merritt Electronics Technology Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-09-03
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses an electric toothbrush axle construction, including vibrating motor, drive shaft, vibrating motor's output side transversely is equipped with first connecting rod, the fixed circular seal circle that is provided with in side middle part of first connecting rod, first connecting rod is kept away from vibrating motor one end side and is equipped with the second connecting rod through the shaft coupling, the second connecting rod is close to shaft coupling one end side and is equipped with the box of making an uproar that falls, it keeps away from shaft coupling one end lateral surface activity and is provided with the buffering box to fall the box of making an uproar, the buffering box is provided with the frequency modulation attenuator with the second connecting rod side of the box combination inner chamber of making an uproar that falls, the horizontal activity of drive shaft sets up and keeps away from box one end side of making an uproar that falls in the buffering box, the drive shaft is located the fixed round platform shape rubber pad that is provided with in the side of the outside one end of buffering box. The utility model discloses in the vibration that produces when electric toothbrush uses was passed to the cushion box by the second connecting rod, utilize its inside frequency modulation attenuator to accomplish the frequency modulation and adjust when can accomplishing noise elimination processing, excellent in use effect.

Description

Electric toothbrush shaft structure

Technical Field

The utility model relates to an electric toothbrush technical field specifically is an electric toothbrush axle construction.

Background

The electric toothbrush is a toothbrush invented by Philippe-Guy Woog, the brush head generates high-frequency vibration through the quick rotation or vibration of the motor core, toothpaste is instantly decomposed into fine foam to deeply clean slits between teeth, and meanwhile, the vibration of the bristles can promote the blood circulation in the oral cavity and has a massage effect on gum tissues. In principle, electric toothbrushes have two main categories: rotation and vibration. The principle of the rotary toothbrush is simple, namely the motor drives the circular brush head to rotate, the friction effect is enhanced while the ordinary tooth brushing action is carried out, the rotary toothbrush is high in noise, the tooth surface is cleaned cleanly, the tooth gaps are relatively weak to clean, the abrasion to teeth is large, and the rotary toothbrush is not recommended to be used for a long time. The shaft structure of the existing electric toothbrush is mostly a direct vibration structure, for example, the application number is 201721927117.X, the name is a patent of the shaft structure of the electric toothbrush, the transmission structure is simple, the control performance of the vibration frequency is insufficient, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric toothbrush axle construction to solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electric toothbrush axle construction, includes vibrating motor, drive shaft, vibrating motor's output side is provided with first connecting rod through the horizontal activity of connecting seat, the fixed circular seal circle that is provided with in side middle part of first connecting rod, vibrating motor one end side is kept away from to first connecting rod is provided with the second connecting rod through the shaft coupling is fixed, the second connecting rod is close to fixed being provided with in shaft coupling one end side and falls the box of making an uproar, it is provided with the buffering box through seting up the recess activity to fall the box of making an uproar to keep away from shaft coupling one end lateral surface, the fixed frequency modulation attenuator that is provided with in second connecting rod side of buffering box and the box combination inner chamber of making an uproar, the horizontal activity of drive shaft sets up and keeps away from at the buffering box and falls box one end side of making an uproar, the fixed round platform shape rubber pad that is provided with in the side that the drive shaft is located the outside one end of buffering box.

Preferably, the vibration motor is a 612 coreless motor, and an output shaft of the vibration motor synchronously controls the rotation of the first connecting rod through a built-in gear of the connecting seat.

Preferably, the diameter of the second connecting rod is smaller than that of the first connecting rod, and the second connecting rod and the noise reduction box are integrated into a whole.

Preferably, the noise reduction box and the buffer box are of embedded sliding structures, and the inner walls of the noise reduction box and the buffer box are provided with rhombic silencing grooves.

Preferably, a plurality of U-shaped clamping grooves are formed in the side face of one end, far away from the buffer box, of the driving shaft.

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

1. the side face of the second connecting rod of the combined inner cavity of the buffer box and the noise reduction box is provided with the frequency modulation damper, the second connecting rod is arranged on the side face of one end, far away from the vibration motor, of the first connecting rod through the coupler, vibration generated when the electric toothbrush is used is transmitted into the buffer box through the second connecting rod, the noise reduction treatment can be completed, meanwhile, the vibration frequency adjustment is completed through the frequency modulation damper inside the electric toothbrush, and the using effect is good.

2. The sealing ring is arranged in the middle of the side face of the first connecting rod, the position of the first connecting rod can be effectively limited when the vibration motor is installed, the rubber pad is arranged on the side face, located at one end of the outer portion of the buffering box, of the driving shaft, friction between the brush head and the shell is reduced when the toothbrush is used, waterproofness is enhanced, and the practicability is high.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the connection structure of the present invention.

In the figure: 1. a vibration motor; 2. a drive shaft; 3. a first link; 4. a seal ring; 5. a second link; 6. a coupling; 7. a noise reduction box; 8. a buffer box; 9. a frequency-modulated damper; 10. a rubber pad; 11. a connecting seat; 12. a silencing groove; 13. screens groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, in an embodiment of the present invention, an electric toothbrush shaft structure includes a vibration motor 1, a driving shaft 2, a first connecting rod 3 is transversely and movably arranged on the side surface of the output end of a vibrating motor 1 through a connecting seat 11, a circular sealing ring 4 is fixedly arranged in the middle of the side surface of the first connecting rod 3, a second connecting rod 5 is fixedly arranged on the side surface of one end, far away from the vibrating motor 1, of the first connecting rod 3 through a coupler 6, a noise reduction box 7 is fixedly arranged on the side surface of one end, close to the coupler 6, of the second connecting rod 5, a buffer box 8 is movably arranged on the outer side surface of one end, far away from the coupler 6, of the noise reduction box 7 through a groove, a frequency modulation damper 9 is fixedly arranged on the side surface of the second connecting rod 5 in a combined inner cavity of the buffer box 8 and the noise reduction box 7, the driving shaft 2 is transversely and movably arranged on the side surface of one end, far away from the noise reduction box 7, of the buffer box 8, and a circular truncated cone-shaped rubber pad 10 is fixedly arranged on the side surface of one end, positioned outside the buffer box 8, of the driving shaft 2; the vibration motor 1 is a 612 hollow cup motor, and an output shaft of the vibration motor 1 synchronously controls the rotation of the first connecting rod 3 through a built-in gear of the connecting seat 11; the diameter of the second connecting rod 5 is smaller than that of the first connecting rod 3, and the second connecting rod 5 and the noise reduction box 7 are integrated into a whole; the noise reduction box 7 and the buffer box 8 are of embedded sliding structures, and the inner walls of the noise reduction box 7 and the buffer box 8 are provided with rhombic silencing grooves 12; the side surface of one end of the driving shaft 2 far away from the buffer box 8 is provided with a plurality of U-shaped clamping grooves 13.

The utility model discloses a theory of operation and use flow: during the use according to the demand with vibrating motor 1 equipment in the inside one end of casing, and accomplish the fixed to first connecting rod 3 position through sealing washer 4, arrange the combination of box 8 and the box 7 of making an uproar of falling in the shells inner wall middle section and accomplish being connected of first connecting rod 3 and second connecting rod 5 through shaft coupling 6, drive shaft 2 has the one end of screens groove 13 and locates the casing outside through rubber pad 10 and accomplish the equipment with the brush head, the vibration that produces when electric toothbrush uses is passed to in the box 8 by second connecting rod 5, utilize its inside frequency modulation attenuator 9 to accomplish the regulation of shaking frequently when can accomplishing the noise elimination processing, excellent in use effect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an electronic toothbrush axle construction, includes vibrating motor (1), drive shaft (2), its characterized in that: the vibration motor is characterized in that a first connecting rod (3) is transversely movably arranged on the side face of the output end of the vibration motor (1) through a connecting seat (11), a circular sealing ring (4) is fixedly arranged in the middle of the side face of the first connecting rod (3), a second connecting rod (5) is fixedly arranged on the side face of one end, far away from the vibration motor (1), of the first connecting rod (3) through a coupler (6), a noise reduction box (7) is fixedly arranged on the side face of one end, close to the coupler (6), of the second connecting rod (5), a buffer box (8) is movably arranged on the outer side face of one end, far away from the coupler (6), of the noise reduction box (7), a frequency modulation damper (9) is fixedly arranged on the side face of the second connecting rod (5) of a combined inner cavity of the buffer box (8) and the noise reduction box (7), and the driving shaft (2) is transversely movably arranged on the side face of one end, far away from the noise reduction box (7), of the buffer box (8), and a truncated cone-shaped rubber pad (10) is fixedly arranged on the side surface of one end of the driving shaft (2) positioned outside the buffer box (8).

2. A motorized toothbrush shaft construction, in accordance with claim 1, wherein: the vibration motor (1) is a 612 hollow cup motor, and an output shaft of the vibration motor (1) synchronously controls the rotation of the first connecting rod (3) through a built-in gear of the connecting seat (11).

3. A motorized toothbrush shaft construction, in accordance with claim 1, wherein: the diameter of the second connecting rod (5) is smaller than that of the first connecting rod (3), and the second connecting rod (5) and the noise reduction box (7) are integrated into a whole.

4. A motorized toothbrush shaft construction, in accordance with claim 1, wherein: the noise reduction box (7) and the buffer box (8) are of embedded sliding structures, and the inner walls of the noise reduction box (7) and the buffer box (8) are provided with diamond-shaped silencing grooves (12).

5. A motorized toothbrush shaft construction, in accordance with claim 1, wherein: and a plurality of U-shaped clamping grooves (13) are formed in the side surface of one end, far away from the buffer box (8), of the driving shaft (2).