An adjustable and foldable bicycle frame comprises a front frame unit, a rear frame unit, a seat cushion unit and a locking unit. The front frame unit comprises a head pipe and a transverse pipe, the transverse pipe extends in the transverse axis direction, and the rear frame unit comprises an upper pipe which can be arranged outside the transverse pipe in a sliding and sleeving mode, a vertical pipe connected to the upper pipe, a five-way pipe connected to the bottom of the vertical pipe and a lower fork set which is connected to the five-way pipe and the upper pipe and extends backwards. The seat cushion unit is connected to the upper tube. And the upper tube bundle is detachably fixed on the transverse tube by the locking unit. By means of the overall configuration, the size of the frame can be adjusted in good time according to the figure of a user, and the frame can be operated in good time and folded to be small in size.

    一种可调整及可收折的自行车车架,包含前架单元、后架单元、座垫单元及锁固单元。所述前架单元包括头管及横管,所述横管沿横轴向延伸,所述后架单元包括能滑动的套设于所述横管外部的上管、连接于所述上管的立管、连接于所述立管底部的五通管、连接于所述五通管与所述上管且朝后方延伸的下叉组。所述座垫单元连接于所述上管。所述锁固单元能拆卸的将所述上管束固于所述横管。利用整体的配置,可以依使用者身材适时调整所述车架的尺寸,也能适时的操作且收折成较小体积。


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    Title :

    Adjustable and foldable bicycle frame


    Additional title:

    可调整及可收折的自行车车架


    Contributors:
    ZHANG JUNDI (author) / ZHANG YONGTAI (author) / ZHANG WENTAI (author)

    Publication date :

    2024-12-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62K Fahrräder , CYCLES



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