The invention relates to the technical field of manpower bicycles, and particularly discloses a bicycle folding labor-saving pedal device which comprises a crank, a screw rod, pedals and a labor-saving rod, one end of the labor-saving rod is transversely hinged to the crank through the screw rod, and the other end of the labor-saving rod is longitudinally hinged to the pedals. The longitudinal hinged ends of the labor-saving rod and the pedal are respectively provided with symmetrical fan-shaped boss limiting structures which correspond to each other. The device not only has a labor-saving effect, but also has a smaller folding size, and is convenient to refit.

    本发明涉及人力自行车技术领域,具体的公开了一种自行车折叠省力脚踏装置,包括曲柄、螺丝杆、脚踏板、省力杆,省力杆的一端通过螺丝杆与曲柄横向铰接,省力杆的另一端与脚踏板纵向铰接,所述省力杆与脚踏板的纵向铰接端分别设有相互对应的对称扇形凸台限位结构。该装置不仅具有省力的效果还具有较小的折叠尺寸,且便于改装。


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    Titel :

    Bicycle folding labor-saving pedal device


    Weitere Titelangaben:

    一种自行车折叠省力脚踏装置


    Beteiligte:
    WANG XIANGJUN (Autor:in)

    Erscheinungsdatum :

    2023-07-18


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B62K Fahrräder , CYCLES



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