Electric toothbrush

By setting a rocker rod and a swing mechanism in the electric toothbrush to drive the brush head to swing back and forth along the width direction, the problems of poor teeth cleaning effect and high noise are solved, and an efficient, stable and low-noise teeth cleaning effect is achieved.

CN223392541UActive Publication Date: 2025-09-30张辉
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Patent Information

Application Number
CN202422376357.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-27
Publication Date
2025-09-30
Estimated Expiration
2034-09-27

AI Technical Summary

Technical Problem

Existing electric toothbrushes have the following problems: poor teeth cleaning effect, complex structure, loud noise, and many parts.

Method used

An electric toothbrush is designed. A swing rod is set in a hollow handle. The head of the swing rod is connected to the brush handle, the tail is equipped with a motor, and a rotating part is provided on the inner side of the handle. The output shaft is fixedly connected to a transmission column and an eccentric connecting rod. The connecting rod drives the brush head to swing back and forth along the width direction through a swing mechanism. A limit device and sound insulation cotton are combined to improve stability and reduce noise.

Benefits of technology

The reciprocating motion of the brush head along the width direction is realized, which improves the teeth cleaning effect, has high transmission efficiency, stable performance, low noise, compact structure and long service life.

✦ Generated by Eureka AI based on patent content.
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Abstract

The utility model relates to the technical field of toothbrushes, and discloses an electric toothbrush which comprises a brush handle and a brush head fixedly connected with the brush handle, bristles are arranged on the brush head, the electric toothbrush further comprises a hollow handle, a swing rod is arranged in an inner cavity of the handle, the head of the swing rod extends out of the handle, and a motor is arranged on one side of the tail of the swing rod. A rotating portion rotationally connected with the handle is arranged on the swing rod on the side, away from the motor, of the inner side of the handle, the swing rod can swing in the width direction of the brush head, an output shaft is arranged on one side of the motor and fixedly connected with a transmission column, and a connecting rod eccentric to the output shaft is fixedly connected to the side, away from the motor, of the transmission column and connected with the tail of the swing rod through a swing mechanism. The motor drives the transmission column to rotate, and the transmission column drives the brush head to swing back and forth through the swing mechanism. The electric toothbrush is simple in structure, high in transmission efficiency, stable in performance, high in response speed, stable in swinging, low in noise, compact in structure, long in service life and good in tooth cleaning effect, and the brush head can reciprocate in the width direction of the electric toothbrush.
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