Middle motor for bicycle

Middle motor for bicycle

  • CN 105,966,541 B
  • Filed: 07/01/2016
  • Issued: 08/17/2021
  • Est. Priority Date: 07/01/2016
  • Status: Active Grant
First Claim
Patent Images

1. A center motor for a bicycle, comprising:

  • the motor comprises a motor shell, wherein a motor inner stator is fixed in the motor shell through an inner stator rack;

    the inner stator frame is provided with a motor outer rotor, and the motor outer rotor is connected with the output shaft of the motor body into a whole;

    the inner stator frame is internally provided with a first planet wheel mechanism, and the first planet wheel mechanism can be used for outputting manpower after accelerating the input of manpower;

    an elastic body is connected to the outer gear ring of the first planetary gear mechanism and fixedly installed in the inner stator frame;

    the elastic body is provided with a torque sensor which can be used for detecting the treading force provided by a rider to the bicycle;

    still be fixed with second planetary gear mechanism in the motor housing, just second planetary gear mechanism with motor body output shaft, and with the coaxial setting of first planetary gear mechanism, second planetary gear mechanism can be used for carrying out the output after slowing down to the input of motor.

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