The invention discloses an electric power-assisted bicycle which comprises a bicycle frame, a driving chain wheel, a driven chain wheel and a rear wheel shaft; the driven chain wheel is arranged on the rear wheel shaft, an energy storage clutch device is arranged on the rear wheel shaft, the bicycle frame is provided with an energy storage driving device matched with the energy storage clutch device, and an auxiliary clutch device is arranged on the energy storage driving device. The auxiliary clutch device is connected with a power assisting device used for assisting the bicycle, the energy storage driving device is used for providing a driving force for the power assisting device; by means of the device, the acting force of a user when the bicycle climbs a slope can be reduced; meanwhile, kinetic energy of the bicycle can be recycled when the bicycle goes down the slope, and resources are saved.
本发明公开了电动助力自行车,包括车架、主动链轮、从动链轮及后轮轴,所述从动链轮设于后轮轴上,所述后轮轴上设有储能离合装置,所述车架设有与储能离合装置相配合的储能驱动装置,所述储能驱动装置上设有辅助离合装置,所述辅助离合装置连接有用于给自行车助力的助力装置,所述储能驱动装置用于给助力装置提供驱动力,通过该装置可减少使用者在自行车爬坡时的作用力,同时也可在下坡时回收自行车动能,节约了资源。
Electric power-assisted bicycle
电动助力自行车
2021-06-08
Patent
Elektronische Ressource
Chinesisch
ELECTRIC POWER-ASSISTED BICYCLE TORQUE SENSING SYSTEM AND ELECTRIC POWER-ASSISTED BICYCLE
Europäisches Patentamt | 2018
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