The invention discloses an electric bicycle and a speed torque sensor system thereof. The system comprises a five-way pipe; a middle shaft which penetrates through the five-way pipe along the axis, and two ends of the middle shaft are fixed to the left and right pedals; a torque deformation sleeve which is integrally formed and arranged on the middle shaft in a sleeving mode, a first fixing part of the torque deformation sleeve is fixed to the middle shaft, a second fixing part of the torque deformation sleeve is fixed to the crankset connecting sleeve, and the strain part is located between the first fixing part and the second fixing part in the axial direction and comprises a first strain part and a second strain part which are provided with a plurality of strain concave parts; a crankset connecting sleeve which is sleeved on the middle shaft and the torque deformation sleeve and comprises a first connecting part and a second connecting part; a left wrist guard assembly which comprises a sleeve-shaped left wrist guard connected with one end of the five-way pipe; a left wrister adjusting assembly which is provided with a cylindrical first part, and the first part comprises a connecting part fixedly connected to the left wrister and a mounting part adjacent to the connecting part and used for mounting a fastening ring; the fastening ring is fixed to the radial outer side of the extending part and axially abuts against the axial end of the left wrist guard. And the bearing bush part is sleeved on the middle shaft and is positioned in the crankset connecting sleeve.

    公开了一种电动自行车及其速度力矩传感器系统,该系统包括:五通管;沿轴线穿过五通管且两端固定至左右脚蹬的中轴;一体成型并套设于中轴的力矩变形套管,其第一固定部固定至中轴、第二固定部固定至牙盘连接套管、应变部沿轴向位于第一和第二固定部间,其包括设置多个应变凹部的第一和第二应变部;套设于中轴和力矩变形套管的牙盘连接套管,包括第一和第二连接部;左护腕组件,包括连接五通管一端且为套筒形的左护腕;左护腕调节组件,具有筒形的第一部分,第一部分包括固定连接至左护腕的连接部和与连接部相邻且用于安装紧固环的安装部;紧固环固定于延伸部径向外侧且轴向抵靠左护腕轴向端;轴瓦部件套设于中轴且位于牙盘连接套管内。


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    Title :

    Electric bicycle speed torque sensor system and electric bicycle


    Additional title:

    电动自行车速度力矩传感器系统及电动自行车


    Contributors:
    WANG QINGHUA (author) / WANG YINGZHE (author) / DING JUN (author) / ZHAO ZHIJUN (author)

    Publication date :

    2021-07-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS / B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer / G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE , Anzeigen oder Aufzeichnen in Verbindung mit Messen allgemein



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