The invention discloses a bicycle middle shaft sleeving structure, belongs to the field of bicycle parts, solves the problem that an existing middle shaft sleeve cannot be stably and conveniently lubricated, and comprises a middle end connecting rod, protection parts, an inserting groove and a bearing assembly. A bearing assembly is fixedly installed in the protection part, an inserting groove is formed in the protection part, the inserting groove penetrates through the interior of the protection part, a lubricating mechanism is arranged in the protection part, the lubricating mechanism comprises a lubricating injection groove, a circulating groove and a sealing plug block, and the circulating groove is formed in the protection part. By arranging the lubricating mechanism and the bearing assembly, lubricating oil in the bearing assembly can be stably and conveniently supplemented, and the situation that balls in the bearing assembly cannot be stably lubricated after the middle shaft sleeve is used for a long time is prevented, so that the using stability of equipment is guaranteed, and the overall service life of the equipment is prolonged.

    本发明公开了一种自行车中轴套装结构,本发明属于自行车零件领域,解决了现有的中轴套无法稳定、便捷的进行润滑的问题,包括中端连接杆、防护件、插接槽和轴承组件,所述中端连接杆外部对称滑动安装有防护件,防护件内部固定安装有轴承组件,所述防护件内部开设有插接槽,且插接槽贯穿防护件内部,所述防护件内部设置有润滑机构,所述润滑机构包括润滑注入槽、流通槽和密封堵块,所述防护件内部开设有流通槽,本发明中,通过设置润滑机构和轴承组件,能够稳定、便捷的对轴承组件内部的润滑油进行补充,防止中轴套使用时间过久后出现轴承组件内部滚珠无法稳定润滑的情况,以此保证了设备使用时的稳定性,延长了设备整体的使用寿命。


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    Title :

    Center shaft sleeving structure of bicycle


    Additional title:

    一种自行车中轴套装结构


    Contributors:
    LIN XIANJUN (author) / SUN QIN (author) / YANG GONGYUAN (author) / SUN SHUYANG (author) / SUN JUN (author)

    Publication date :

    2025-01-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F16C SHAFTS , Wellen / B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer



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