The invention provides a bicycle accelerating device. The bicycle accelerating device comprises a large turntable, a small flywheel, a chain, a left pedal, a right pedal, left and right rotating arms correspondingly connected with the left and right pedals and a pedal center shaft connected with the left and right rotating arms, and further comprises an acceleration box body, a first gear, a second gear, a first compound gear, a second compound gear, a third gear, a first rotating shaft, a second rotating shaft, a third rotating shaft, a large turntable center shaft, a first shaft sleeve and a second shaft sleeve; the accelerating multiple is close to 7 multiples through four-level accelerating transmission, so that the acceleration of the bicycle riding speed is facilitated under the condition of not changing the sizes of traditional bicycle tires, large turntable and small flywheel; the bicycle accelerating device is simple in structure, easy in production and low in cost, can replace an electric bicycle to a certain extent, and reduces the possible environment pollution from waste batteries of the electric bicycle.
Bicycle accelerating device
2015-07-22
Patent
Electronic Resource
English
IPC: | B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer |
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