A bicycle lifting seat tube stroke adjusting device is characterized in that a lantern ring arranged at a tube opening, allowing an inner tube to penetrate through, of an outer tube is in linkage with an adjusting ring, the adjusting ring is located between the outer tube and the inner tube, and the inner tube penetrates through the middle of the adjusting ring. A plurality of limiting pieces which are evenly distributed are positioned on the peripheral face of the outer wall of the tube, extending into the outer tube, of the inner tube, and part of the limiting pieces protrude out of the outer wall of the inner tube in thickness and are provided with protruding outer walls. The end, facing the limiting piece, of the adjusting ring is provided with a plurality of stepped faces which are arranged in a stepped mode and have different axial heights, the stepped faces of the adjusting ring are adjusted to be aligned with the protruding outer wall of the limiting piece by rotating the lantern ring so as to adjust the lifting stroke height of the seat tube, and the stroke of the seat tube can be adjusted according to the height and the leg length of a rider through adjustment. Adjustment is rapid, simple and easy, tools and disassembly are not needed, and operation is easy.

    一种自行车升降座管行程调整装置,是位于外管供内管穿入的管口所配置的套环是连动有一调整环,该调整环位于外管与内管之间,中间被内管穿过。该内管伸入外管内的管外壁周面定位有均匀分布的复数个限制片,该限制片部分厚度突出内管的管外壁外面,具一突出外壁。该调整环面向限制片端具有阶梯状排列且具不同轴向高度的复数阶面,通过旋调套环以调整所述调整环的那一阶面对正限制片的突出外壁,以调整座管的升降行程高度,且由该调整可根据骑乘者的身高、腿长来调整座管行程,具有调整快速、简易且免工具、免拆卸及易操作。


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    Title :

    Bicycle lifting seat tube stroke adjusting device


    Additional title:

    自行车升降座管行程调整装置


    Contributors:
    CAI YINGXIN (author)

    Publication date :

    2021-04-06


    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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