Built-in transmission device of pedal electric power-assisted bicycle without manual speed regulation
A technology of electric power assist and pedal transmission, which is applied to vehicle components, rider drive, transportation and packaging, etc., can solve the problems of increased manufacturing cost, unsightly appearance of the whole vehicle, poor universality of the frame, etc., and achieves guaranteed accuracy. Effect
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[0024] Now in conjunction with accompanying drawing technical scheme of the present invention is described further:
[0025] In the present invention, the central transmission device of the pedal electric power-assisted bicycle without manual speed regulation integrates the pedal transmission mechanism, the motor transmission mechanism and the pedal torque sensing mechanism as a whole, such as figure 1 , figure 2 shown.
[0026] The main body of the present invention is a hollow-shaft high-speed booster motor 1. The output shaft 4 of the hollow-shaft high-speed booster motor 1 is a hollow structure. The motor transmission mechanism is mainly composed of an output shaft 4, a motor planetary gear reducer and a sprocket shaft 2. Shaped sprocket shaft 2 is installed in the output shaft 4 through bearings, and the end of the sprocket shaft 2 protruding from the output end of the output shaft 4 is the installation position of the chain disc, and the planetary gear reducer of the m...
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