The invention relates to a bicycle driving structure which comprises a middle shaft and a driving mechanism, the middle shaft is rotationally arranged on a bicycle frame, one end of the middle shaft is fixedly connected with a driving chain wheel, and the driving mechanism comprises a left swing arm and a right swing arm; one end of the left swing arm rotationally sleeves the middle shaft, the other end of the left swing arm is rotationally connected with a left crankshaft, one end of the left crankshaft is fixedly connected with a left swing arm chain wheel, and the other end of the left crankshaft is connected with a left crank; one end of the right swing arm rotationally sleeves the middle shaft, the other end of the right swing arm is rotationally connected with a right crankshaft, one end of the right crankshaft is fixedly connected with a right swing arm chain wheel, and the other end of the right crankshaft is connected with a right crank; the included angle between the left crank and the right crank is 180 degrees; a left middle shaft chain wheel and a right middle shaft chain wheel which are located between the left swing arm and the right swing arm are fixedly sleeved on the middle shaft, the left middle shaft chain wheel is in transmission connection with the left swing arm chain wheel through a chain, and the right middle shaft chain wheel is in transmission connection with the right swing arm chain wheel through a chain. According to the technical scheme, the problem of treading dead points can be effectively solved, and meanwhile good balance is achieved in a rotary treading mode.

    本发明涉及一种自行车驱动结构,包括中轴和驱动机构,中轴转动设置于车架上,中轴一端固定连接有驱动链轮,驱动机构包括左摆臂和右摆臂;左摆臂一端转动套于中轴上,另一端转动连接有左曲柄轴,左曲柄轴一端固定连接有左摆臂链轮,另一端连接有左曲柄;右摆臂一端转动套于中轴上,另一端转动连接有右曲柄轴,右曲柄轴一端固定连接有右摆臂链轮,另一端连接有右曲柄;左曲柄和右曲柄之间的夹角为180°;中轴上固定套接有位于左摆臂与右摆臂之间的左中轴链轮和右中轴链轮,左中轴链轮与左摆臂链轮通过链条传动连接,右中轴链轮与右摆臂链轮通过链条传动连接。本技术方案能够有效消除踩踏死点的问题,同时通过旋转蹬踏的方式具有良好的平衡性。


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    Titel :

    Bicycle driving structure


    Weitere Titelangaben:

    自行车驱动结构


    Beteiligte:
    ZHANG BIHUI (Autor:in) / ZHANG LU (Autor:in)

    Erscheinungsdatum :

    14.05.2021


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

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



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