The invention relates to the field of driving of electric bicycles, and particularly discloses a motor driving device of an electric bicycle, which comprises at least two small motors, a rotating shaft fixed on a bicycle frame and a wheel shell fixedly connected with a wheel, the wheel shell is cylindrical, and end covers are fixedly mounted at two ends of the wheel shell respectively. The rotating shaft is arranged along the axis of the wheel shell and is in running fit with the end covers at the two ends of the wheel shell, a motor support is arranged in the wheel shell, the motor support is fixedly installed on the rotating shaft, and the small motor is fixedly installed on one side of the motor support in the annular direction; an output gear is installed on an output shaft of the small motor, a gear ring is fixedly installed on the inner side of one end cover, and the output gear is in meshing transmission with the gear ring. The invention aims to further reduce the consumption of rare earth magnetic steel, copper wires and silicon steel materials and meet the output power requirement of the electric bicycle.

    本发明涉及电动自行车的驱动领域,具体公开了一种电动自行车的电机驱动装置,包括至少两个小型电机、固定于自行车车架上的转轴以及与车轮相固定连接的轮壳,轮壳为筒体状,轮壳的两端分别固定安装有端盖,转轴沿轮壳的轴心设置并与轮壳两端的端盖相转动配合,轮壳内设置有电机支座,电机支座固定安装于所述转轴上,小型电机沿环向固定安装于电机支座的一侧;小型电机的输出轴安装有输出齿轮,其中一端盖的内侧固定安装有齿轮环,输出齿轮分别与齿轮环相啮合传动。本发明为了进一步减少稀土磁钢、铜线和硅钢材料用量,同时满足电动自行车的输出功率要求。


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    Title :

    Motor driving device of electric bicycle


    Additional title:

    一种电动自行车的电机驱动装置


    Contributors:

    Publication date :

    2022-02-25


    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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