The invention relates to the technical field of tricycles, in particular to a rear axle braking structure and a tricycle, and the rear axle braking structure comprises a rocker arm, a shell, a telescopic mechanism and an adjusting mechanism; one end of the rocker arm is connected with a hand brake stay wire of the tricycle, the other end of the rocker arm is connected with the telescopic mechanism, and the rocker arm can rotate in the radial direction of the telescopic mechanism; the shell is arranged between the rocker arm and a shoe block of the tricycle, a hydraulic cavity is formed in the shell, the telescopic mechanism is arranged at the end, facing the rocker arm, of the hydraulic cavity, and the adjusting mechanism is arranged at the end, facing the shoe block, of the hydraulic cavity and connected with the shoe block. The telescopic mechanism can be close to or away from the adjusting mechanism along with rotation of the rocker arm so as to drive the adjusting mechanism to open or tension the shoe block. According to the rear axle braking structure and the tricycle using the rear axle braking structure, the braking hand feeling of a hand brake can be improved, and due to the lever ratio adjustment of the rear axle braking structure, the ground clearance of the rear axle braking structure can be increased, so that the passing performance of the tricycle is enhanced.

    本发明涉及三轮车技术领域,具体涉及一种后桥制动结构及三轮车,用于三轮车,包括摇臂、壳体、伸缩机构和调节机构;摇臂的一端与三轮车的手刹拉线相连,摇臂的另一端与伸缩机构相连,摇臂能够沿着伸缩机构的径向进行转动;壳体设于摇臂和三轮车的蹄块之间,壳体内部设有液压腔,伸缩机构设于液压腔朝向摇臂的一端,调节机构设于液压腔朝向蹄块的一端,并与蹄块相连;伸缩机构能够随着摇臂转动靠近或远离调节机构,以带动调节机构张开或拉紧蹄块。本发明提供的后桥制动结构以及使用该后桥制动结构的三轮车能够从而能够提升手刹的制动手感,并且还由于后桥制动结构的杠杆比调整,可以提升后桥制动结构离地距离,以便于增强车辆的通过性能。


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    Title :

    Rear axle braking structure and tricycle


    Additional title:

    一种后桥制动结构及三轮车


    Contributors:
    ZHAI JINCHUAN (author) / ZHAO GUANGJIN (author) / LIN CHENGYUAN (author) / WANG BAOLAN (author) / YANG YINGXUE (author)

    Publication date :

    2025-03-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62L BRAKES SPECIALLY ADAPTED FOR CYCLES , Bremsen, besonders für Fahrräder oder Motorräder ausgebildet



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