The invention relates to a torque sensor device and a power-assisted bicycle, and the torque sensor device comprises a five-way assembly which comprises a bearing sleeve which is provided with a first sleeving part; the first bearing is arranged in the first sleeving part in a sleeving mode, the middle shaft is arranged in an inner ring of the first bearing in a penetrating mode, and the middle shaft can rotate around an axis relative to the first sleeving part through the first bearing; the strain gauge is arranged in the radial direction of the middle shaft, a part of the peripheral surface of the first sleeving part is cut to form a cutting surface, and the strain gauge is arranged on the cutting surface; when the center shaft rotates around the axis, radial pressure can be applied to the cutting portion, with the cutting face, of the first sleeving portion through the first bearing, the cutting portion can deform in the tangential direction perpendicular to the radial direction, and the strain gauge can deform along with deformation of the cutting portion.

    本发明涉及一种力矩传感器装置和助力自行车,包括:五通组件,包括轴承套,所述轴承套具有第一套设部;第一轴承和中轴,第一轴承套设于所述第一套设部内,所述中轴穿设于所述第一轴承的内圈内,所述中轴能够通过所述第一轴承绕一轴线相对于所述第一套设部转动;应变片,在所述中轴的径向上,所述第一套设部的部分外周面削切形成削切面,所述应变片安装于所述削切面;所述中轴绕所述轴线转动时能够通过所述第一轴承向所述第一套设部具有所述削切面的削切部施加径向压力,所述削切部能够在与径向相垂直的切线方向产生变形,所述应变片能够跟随所述削切部变形而发生形变。


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    Title :

    Torque sensor device and power-assisted bicycle


    Additional title:

    力矩传感器装置和助力自行车


    Contributors:

    Publication date :

    2025-02-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer



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