The invention relates to the technical field of bicycles, and discloses an adjustable bicycle front fork which comprises a fork frame and two frame sleeves, a frame rod is fixedly installed at the top end of the fork frame, the two frame sleeves are connected to the outer walls of the two ends of the fork frame in a sleeving mode respectively, and a lifting mechanism is arranged between the two frame sleeves and the fork frame; the lifting mechanism comprises a moving groove and a lead screw, connecting blocks are fixedly installed on the inner walls of the frame sleeves, the moving groove is formed in one end of the fork frame, by arranging the lifting mechanism, the length of the frame sleeves on the two sides can be adjusted at the same time, the coaxiality of installation of wheels on the fork frame is guaranteed, and therefore the height of the fork frame is adjusted; the front fork frame is simple in structure and convenient for riders with different heights to use, and solves the problems that in the prior art, the lengths of the two front fork frames are independently adjusted, so that a certain error exists in the length adjustment of the two front fork frames, the coaxiality of follow-up wheel installation is affected, and normal running of a bicycle is affected.

    本发明涉及自行车技术领域,且公开了一种可调式自行车前叉,包括叉架、架套,所述叉架顶端固定安装有车架杆,所述架套的数量为两个,两个所述架套分别套接在叉架两端外壁,两个所述架套与叉架之间设置有升降机构;所述升降机构包括移动槽、丝杆,所述架套内壁固定安装有连接块,所述叉架一端开设有移动槽,通过设置升降机构,可以对两侧的架套同时进行调节长度,保证车轮在叉架上安装的同轴度,从而实现调节叉架的高度,便于不同升高的骑行人员使用,解决了现有技术方案中两个前叉架是单独进行调节长度的,导致两个前叉架在调节长度上存在一定的误差,从而影响后续车轮安装的同轴度,影响自行车的正常行驶的问题。


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    Title :

    Adjustable bicycle front fork


    Additional title:

    一种可调式自行车前叉


    Contributors:
    SUN XIPING (author) / LIU YONGFANG (author)

    Publication date :

    2024-09-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62K Fahrräder , CYCLES



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