The invention discloses a variable-speed transmission device of a tricycle. The device comprises an inner variable-speed hub, a flywheel assembly and a variable-speed driving base; the inner variable-speed hub is further provided with a middle shaft, a variable-speed gear assembly is arranged in the inner variable-speed hub, the variable-speed gear assembly is in transmission connection with the middle shaft, and the variable-speed gear assembly can drive the inner variable-speed hub to rotate on the middle shaft; the flywheel assembly is arranged on the middle shaft in a sleeving manner, is in transmission connection with the variable-speed gear assembly and can drive the variable-speed gear assembly to work when rotating; and the variable-speed driving base is arranged on the middle shaft in a sleeving mode and is in transmission connection with the variable-speed gear assembly, and gear shifting of the variable-speed gear assembly can be driven. Compared with the prior art, the structure of the tricycle is changed into the gear inner variable-speed hub which is durable and hardly needs to be maintained, and a variable-speed gear is contained in the inner variable-speed hub, so that the appearance of the tricycle is more attractive, and meanwhile, the trouble of rainwater and mud is resisted.

    本发明的一种三轮车变速传动装置,包括内变速花鼓、飞轮组件以及变速驱动座;所述内变速花鼓还设置有中轴,并且内变速花鼓内部设置有变速齿轮组件,所述变速齿轮组件与中轴传动连接,所述变速齿轮组件可驱动内变速花鼓在中轴上转动;所述飞轮组件套接设置在中轴上,并且飞轮组件与变速齿轮组件传动连接,飞轮组件转动时可驱动变速齿轮组件工作;所述变速驱动座套接设置在中轴上,并且变速驱动座与变速齿轮组件传动连接,可能驱动变速齿轮组件档位变换。与现有技术相比,三轮车的结构改成齿轮内变速花鼓经久且耐用,几乎无需维护,其变速齿轮被包含在内变速花鼓内部,让其外观更美观的同时抵抗雨水和泥浆的困扰。


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    Title :

    Variable-speed transmission device of tricycle


    Additional title:

    一种三轮车变速传动装置


    Contributors:
    ZHANG LIANG (author)

    Publication date :

    2020-12-22


    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



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