Driving motor

By designing multiple slots on the electric toothbrush motor shaft to snap the toothbrush head, socket the waterproof sleeve and install the detection components, the problem of unstable connection between the motor shaft and the toothbrush head and difficulty in installing the detection components is solved, and higher connection stability and detection functions are achieved.

CN222691537UActive Publication Date: 2025-03-28RISUN TECH (SHENZHEN) LTD
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Patent Information

Application Number
CN202420612439.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-26
Publication Date
2025-03-28
Estimated Expiration
2034-03-26

AI Technical Summary

Technical Problem

The existing electric toothbrush motor shaft and the toothbrush head are not connected to the stable enough, and it is difficult to install detection components such as pressure sensors.

Method used

A driving motor is designed, and the motor shaft is provided with a first groove in sequence in the axial direction for clamping the toothbrush head, a second groove for socketing the waterproof sleeve and a third groove for installing the detection components. The inner bottom surface of the third groove is a flat surface, which facilitates the installation of detection components.

Benefits of technology

Through this design, the connection stability between the motor shaft and the toothbrush head is improved, which facilitates the installation of detection components and improves the performance of electric toothbrushes.

✦ Generated by Eureka AI based on patent content.
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Abstract

The utility model relates to the technical field of motors, and discloses a driving motor which comprises a motor body and a motor shaft, the motor body is used for driving the motor shaft to rotate, the motor shaft is sequentially provided with a first groove, a second groove and a third groove in the axial direction of the motor shaft, the first groove is used for clamping an external toothbrush head, and the second groove is used for sleeving an external waterproof sleeve. The third groove is used for installing a detection component; wherein the first groove is an annular groove, a first inclined surface and a second inclined surface are oppositely arranged in the first groove, and the inner bottom surface of the first groove is a cylindrical surface; the third groove is a groove and penetrates through the outer wall of the motor shaft in the radial direction of the motor shaft, and the inner bottom face of the third groove is a plane. According to the driving motor provided by the utility model, the inner bottom surface of the third groove is a plane, so that a detection component is convenient to install, the toothbrush head can be clamped and matched through the first groove, and the connection stability between the motor shaft and the toothbrush head is improved.
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