The invention provides an aluminum alloy bicycle frame convenient to lift. The bicycle frame comprises a connecting rod, a clamping block, a clamping groove, a supporting cylinder, a short pipe, a convex ring, a threaded rod and a concave strip, wherein the connecting rod is mounted in a supporting pipe, a clamping block is fixed to a left end of an annular side face of the connecting rod, the clamping block is clamped in the clamping groove, the clamping groove is machined at a left end of an annular side face of the supporting pipe, a concave strip is machined at a front end of an annular side face in the supporting pipe on a front side of the clamping groove, the supporting cylinder is fixed to an upper end of the connecting rod, the convex ring is fixed on an annular side surface of the short pipe, an upper end of the short pipe is connected with a lower end of a seat cushion, the convex ring is installed in the supporting cylinder, a threaded hole is machined in a left end of theannular side surface of the supporting cylinder, and the threaded rod is meshed in the threaded hole through threads. The bicycle frame is advantaged in that design is convenient to adjust and operate, capable of saving labor in adjustment, simple in structure, convenient to operate, capable of saving labor in adjustment and good in stability.

    本发明提供一种方便升降的铝合金自行车车架,包括连接杆、卡块、卡槽、支撑筒、短管、凸环、螺纹杆以及凹条,所述连接杆安装在支撑管内部,所述连接杆环形侧面左端固定卡块,所述卡块卡接在卡槽内部,所述卡槽加工在支撑管环形侧面左端,所述凹条加工在卡槽前侧的支撑管内部环形侧面前端,所述支撑筒固定在连接杆上端,所述短管环形侧面固定凸环,且短管上端与座垫下端相连接,所述凸环安装在支撑筒内部,所述支撑筒环形侧面左端加工螺纹孔,所述螺纹杆通过螺纹啮合在螺纹孔内部,该设计调节操作方便,且调节省力,本发明结构简单,便于操作,调节省力,稳定性佳。


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    Titel :

    Aluminum alloy bicycle frame convenient to lift


    Weitere Titelangaben:

    一种方便升降的铝合金自行车车架


    Erscheinungsdatum :

    2020-05-05


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B62K Fahrräder , CYCLES / B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS



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