A power transmission device for an electric bicycle according to the present invention comprises: a first driven gear which receives power from the rotary shaft of a drive motor; a first drive gear which is engaged with the first driven gear and receives power; a second driven gear which is installed in a first gear shaft where the first drive gear is installed; a second drive gear which is engaged with the second driven gear and receives power; a third driven gear which is installed in a second gear shaft where a second wheel gear is installed; and a third drive gear which is engaged with the third driven gear to receive power and is installed in a pedal shaft. Therefore, the present invention enables the miniaturization and lightening of the power transmission device.

    본 발명에 따른 전기 자전거의 동력전달장치는, 구동모터의 회전축으로 부터 동력을 전달받는 제1 종동 기어와, 상기 제1 종동 기어와 맞물려 동력을 전달받는 제1 구동 기어와, 상기 제1 구동 기어가 장착된 제1 기어축에 장착되는 제2 종동 기어와, 상기 제2 종동 기어와 맞물려 동력을 전달받는 제2 구동 기어와, 상기 제2 휠기어가 장착된 제2 기어축에 장착되는 제3 종동 기어와, 상기 제3 종동 기어와 맞물려 동력을 전달받고, 페달축에 장착되는 제3 구동 기어를 포함한다.


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    Title :

    DRIVING TRANSMISSION UNIT OF ELETRICITY BIKE


    Additional title:

    전기 자전거의 동력전달장치


    Contributors:
    OH MYUNG GEUN (author) / YUN TAE HO (author)

    Publication date :

    2016-02-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer



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