The invention discloses a bicycle power assisting device which comprises a seat post, a seat tube, a gravity driving device and a one-way labor-saving transmission device, the seat tube is fixedly connected to a bicycle support, the seat post is arranged on the lower wall of a seat, the seat post is arranged in the seat tube in a liftable mode, and the gravity driving device is arranged in the seat tube. The one-way labor-saving transmission device is arranged on a hub of a rear wheel of the bicycle. The invention belongs to the technical field of power-assisted bicycles, and particularly provides a bicycle power assisting device which is novel in structure, energy-saving, environment-friendly, capable of converting human body gravity into driving force, capable of saving physical power, high in practicability, easy to operate and low in cost.

    本发明公开了一种自行车助力装置,包括座杆、座管、重力驱动装置和单向省力传动装置,所述座管固接设于自行车支架上,所述座杆设于车座下壁,所述座杆可升降设于座管内,所述重力驱动装置设于座管内,所述单向省力传动装置设于自行车后轮花鼓上。本发明属于助力自行车技术领域,具体是提供了一种结构新颖、节能环保、人体重力转化为驱动力、节省体力、实用性高、操作简单、成本低廉的自行车助力装置。


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    Title :

    Bicycle power assisting device


    Additional title:

    一种自行车助力装置


    Contributors:

    Publication date :

    2022-01-18


    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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