Electric toothbrush main-body driving structure

Abstract

The invention discloses an electric toothbrush main-body driving structure. The electric toothbrush main-body driving structure is capable of realizing reciprocating torsional output of the electric toothbrush, and can be composed of a direct-current motor, a cam transmission unit, a swing bar unit and an output shaft; a pinion, with which the output shaft of the direct-current motor is sleeved, is meshed with an internal gear arranged inside the cam transmission unit; a cam of the cam transmission unit cooperates with the U-shaped swing bar unit; an output end of the swing bar unit transmitspower to the head of the toothbrush through the output shaft; and the moving parts and the motor in the electric toothbrush main-body driving structure can be fixed on a bracket. The electric toothbrush main-body driving structure disclosed by the invention is capable of realizing transformation of continuous rotary motion of the motor into periodic reciprocating torsion of the main shaft of the toothbrush. Moreover, the moving mechanism consists of relatively few parts, and is relatively high in strength, low in process requirements, stable in operation, low in noise, small in power consumption and long in service life; and thus, the electric toothbrush main-body driving structure has good marketing benefits.

Description

technical field [0001] The invention relates to the technical field of electric toothbrushes, in particular to an electric toothbrush main body drive structure capable of transforming the continuous rotary motion of a motor into the periodic reciprocating torsion of the main shaft of the toothbrush. Background technique [0002] With the improvement of people's living standards and the emphasis on their own oral health care, more and more electric toothbrushes have entered ordinary families. Compared with ordinary traditional toothbrushes, electric toothbrushes have the obvious advantage of high cleaning efficiency. But the electric toothbrush that is popular on the market is technically divided into the vibration type of brush head and the reciprocating motion mode of certain range. The invention belongs to the power driving structure of the reciprocating motion of the bristles. Although many designs of existing similar products have excellent performance, most of them hav...

AI Technical Summary

Problems solved by technology

Although many designs of existing similar products have excellent performance, most of them have high process requirements and complex structures. In order to meet the final performance, most of them use a large number of metal components. The final cost of the product is high, which is not good for product promotion.

Although some structures are simple, they have poor bearing capacity, are easy to wear, and have high noise, which cannot meet the user's requirements for product performance.

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