The bicycle seat tube assembly comprises a seat tube, a lifting tube, a shock absorption unit and a lifting unit. The lifting pipe is arranged on the seat pipe in a vertically displaceable mode, the shock absorption unit is arranged in the lifting pipe and provided with a first air chamber, and the lifting unit is arranged in the lifting pipe and provided with a control valve, an acting piece, a second air chamber, a first oil chamber adjacent to the first air chamber and a second oil chamber adjacent to the second air chamber. The control valve is located between the first oil chamber and the second oil chamber and controlled by the action piece to be opened and closed so as to control the communication relation between the first oil chamber and the second oil chamber. Therefore, according to the bicycle seat tube assembly, the first air chamber and the second air chamber are arranged at the two opposite ends of the first oil chamber and the second oil chamber respectively, and the shock absorption effect can be improved and adjusted.

    本发明的自行车座管总成包含有座管、升降管、避震单元及升降单元。升降管以可上下位移的方式设于座管,避震单元设于升降管内,且避震单元具有第一气室,升降单元设于升降管内,且升降单元具有控制阀、动作件、第二气室、邻设于第一气室的第一油室和邻设于第二气室的第二油室,控制阀位于第一油室和第二油室之间且受动作件的控制而启闭,用以控制第一油室和第二油室之间的连通关系。借此,本发明的自行车座管总成在第一油室和第二油室的相对二端分别配置第一气室和第二气室,如此即可提升并调整避震效果。


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    Title :

    Bicycle seat tube assembly


    Additional title:

    自行车座管总成


    Contributors:
    FENG BINJIE (author) / LIN YU'AN (author)

    Publication date :

    2024-05-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS



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