The present invention provides a manpower tricycle which comprises a frame, a pedal mechanism, a driving mechanism, a front wheel and two rear wheels. Two side edges of the pedal are respectively connected with the front supporting rod and the driving mechanism through front and rear arms; and the driving mechanism comprises a grooved wheel, a rear supporting rod and a chain, and the two ends of the chain are fixedly connected with fixing points of the rear supporting rod and the rear arm respectively and wound on the grooved wheel and the small fly. According to the tricycle with the structure, a user can walk on lower steps, continuous driving is achieved in a small-amplitude moving mode, and physical output is greatly reduced; and moreover, the legs of the user do not need to be stretched greatly, the free control space is large, reciprocating pedaling is facilitated, and riding of the user is not affected. The driving force is alternately provided by the two rear wheels, so that the stable operation of the bicycle is ensured. Meanwhile, by arranging a sliding block mechanism or a reset spring, an auxiliary pedal is reset, the operation difficulty is reduced, and a folding mechanism is designed so that a user can conveniently carry and store the tricycle.

    本发明为一种人力三轮自行车,包括车架、踏板机构、驱动机构、前轮和两后轮;踏板的两侧边通过前后臂分别与前支撑杆和驱动机构连接;驱动机构包括槽轮、后支撑杆和链条,链条的两端分别与后支撑杆和后臂的固定点固定连接,并缠绕在槽轮和小飞上。采用上述结构的三轮车,使用人可以行走较低台阶方式,以小幅移动形式实现连续驱动,大大地减少体力消耗;且使用者双腿不用张开很大,自由操控的空间大,利有于往复的蹬踏,不会影响使用者骑乘。由于驱动力由两个后轮交替提供,保证自行车稳定运行。同时,本申请通过设置滑块机构或复位弹簧,辅助踏板实现复位,降低了操作难度,并设计折叠机构以方便使用人携带和存放该三轮车。


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    Title :

    Manpower tricycle


    Additional title:

    一种人力三轮自行车


    Contributors:
    HE YONGHONG (author)

    Publication date :

    2021-11-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer / B62K Fahrräder , CYCLES



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