The embodiment of the invention discloses a split type driving and speed changing device and an electric power-assisted bicycle, and relates to the technical field of bicycles. The split type drivingand speed changing device comprises a speed changing device. The speed changing device comprises an auxiliary driving unit, a first transmission mechanism, a chain wheel and a crankshaft, and the first transmission mechanism comprises a first planet carrier, a first planet wheel, a first sun wheel and a first transmission wheel; the outer side of the first transmission wheel is fixedly connected with the chain wheel; the first planet carrier is arranged on one side of the first transmission wheel, and the first planet carrier is fixedly connected with the crankshaft; the first planet wheel isarranged on the first planet carrier and engaged with the first sun wheel and an inner gear ring of the first transmission wheel; and the auxiliary driving unit is connected with the first sun gear. According to the split type driving and speed changing device, continuous speed changing can be achieved, and a pause feeling is not generated.

    本发明实施例公开了一种分体式驱动与变速装置及电助力自行车,涉及自行车技术领域。分体式驱动与变速装置包括变速装置,变速装置包括辅助驱动单元、第一传动机构、牙盘以及曲柄轴,第一传动机构包括第一行星架、第一行星轮、第一太阳轮以及第一传动轮;所述第一传动轮的外侧与所述牙盘固定连接;所述第一行星架设于所述第一传动轮的一侧,所述第一行星架与所述曲柄轴固定连接;所述第一行星轮设于所述第一行星架上,且分别与所述第一太阳轮以及所述第一传动轮的内齿圈啮合;所述辅助驱动单元与所述第一太阳轮连接。本发明实施例提出的分体式驱动与变速装置能够实现连续变速,且不会产生顿挫感。


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    Titel :

    Split type driving and speed changing device and electric power-assisted bicycle


    Weitere Titelangaben:

    一种分体式驱动与变速装置及电助力自行车


    Beteiligte:
    DENG SHUANG (Autor:in) / CUI LING (Autor:in)

    Erscheinungsdatum :

    14.08.2020


    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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