A bicycle center shaft gearbox with on-load speed change comprises a box body, an input shaft, an output shaft and a speed change unit, the two ends of the input shaft are connected with bicycle pedals, the output shaft is connected with wheels, the input shaft and the output shaft are connected through the speed change unit, and the speed change unit comprises a driving gear set, a driven gear set, a transmission gear set and a speed regulating mechanism. The speed regulating mechanism comprises a speed regulating rotating shaft, a driving fixing block, a driven fixing block, driving speed regulating transmission rods and driven speed regulating transmission rods; the number of the driving speed regulating transmission rods is consistent with that of the driving gears; the number of the driven speed regulating transmission rods is consistent with that of the driven gears; the number of the driving speed regulation rings is consistent with that of the driving speed regulation transmission rods, the number of the driven speed regulation rings is consistent with that of the driven speed regulation transmission rods, and the driving speed regulation transmission rods and the driven speed regulation transmission rods are both connected with reset springs. The return spring provides acting force for the driving speed regulation transmission rod and the driven speed regulation transmission rod to downwards push the driving ratchet wheel and the driven ratchet wheel to be meshed with the corresponding driving gear and the corresponding driven gear respectively.

    一种带负荷变速的自行车中轴变速箱,包括箱体、输入轴、输出轴以及变速机组,输入轴两端与自行车踏板相连,输出轴与车轮相连,输入轴和输出轴之间通过变速机组相连,变速机组包括主动齿轮组、从动齿轮组、传动齿轮组和调速机构,调速机构包括调速转轴、主动固定块、从动固定块、数量与主动齿轮相一致的主动调速传动杆和数量与从动齿轮相一致的从动调速传动杆,调速转轴上设有与主动调速传动杆数量相一致的主动调速环以及与从动调速传动杆数量相一致的从动调速环,主动调速传动杆和从动调速传动杆上均连接有回复弹簧,回复弹簧提供主动调速传动杆和从动调速传动杆向下推动主动棘轮和从动棘轮分别与对应的主动齿轮和从动齿轮之间啮合的作用力。


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    Titel :

    Bicycle center shaft gearbox with on-load speed change


    Weitere Titelangaben:

    一种带负荷变速的自行车中轴变速箱


    Beteiligte:
    CAI MING (Autor:in)

    Erscheinungsdatum :

    18.10.2022


    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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