Disclosed is a wheel motor assembly for an electric bicycle. According to an embodiment of the present invention, the wheel motor assembly for an electric bicycle comprises: a wheel rim including a tire and a rim; a motor including a rotor and a stator; a motor housing provided to cover the motor; a hub shaft provided in a center of the motor housing and fixedly coupled with the stator of the motor; and a plurality of spokes connecting the motor housing and the wheel rim. The rotor of the motor comprises: a magnet provided in a plurality of pieces thereof; and a magnet ring coupled with the magnets at a predetermined gap in an inner side surface thereof, wherein the magnet ring is provided with a protrusion at an outer side surface thereof to be inserted in and extracted to the motor housing so that the magnet ring is strongly coupled to the motor housing, thereby capable of easily transferring rotation force to the wheel while having a simple structure of the motor.

    전기 자전거용 휠 모터 조립체가 개시된다. 본 발명의 실시 예에 따른 전기 자전거용 휠 모터 조립체는 타이어와 림을 포함하는 휠 림과, 로터 및 스테이터를 포함하는 모터와, 모터를 감싸기 위해 마련되는 모터 하우징과, 모터 하우징의 중심에 마련되며 모터의 스테이터가 고정 결합되는 허브축과, 모터 하우징과 휠 림을 연결하는 다수의 스포크를 포함하며, 모터의 로터는 다수의 편으로 마련되는 마그네트와, 다수의 마그네트가 소정 간격으로 내측면에 결합하는 마그네트링을 포함하고, 마그네트링은 외측면에 요철을 마련하여 모터 하우징에 인서트 사출됨으로써 모터 하우징과 견고하게 결합된다.


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    Title :

    Wheel Motor Assembly for electric bicycle


    Additional title:

    전기 자전거용 휠 모터 조립체


    Contributors:

    Publication date :

    2017-09-22


    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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES



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