The present invention relates to an in-wheel motor. According to an embodiment of the present invention, the in-wheel motor includes: a circular rim combined with a tire surrounding an outer race thereof; a shaft connected through the center of the rim; a motor assembly including a stator connected and fixed to the shaft in the rim, and a rotor placed to surround the stator and rotated; a cover combined with an open part of the rim to isolate the motor assembly provided in the rim from the outside, and having the center thereof penetrated by the shaft; and a bearing confined in position on the inside of the cover, and supporting the shaft in contact with the same. The shaft includes: a first shaft body part extended outward through the center of each of the rim and the cover; and a second shaft body part formed with a diameter larger than the first shaft body part, and located between the stator and the bearing. A power cable for supplying power to the motor assembly is inserted in a radial direction of the second shaft body part between the stator and the bearing to be withdrawn in a longitudinal direction of the second shaft body part. Therefore, the present invention is capable of preventing a deterioration in structural hardness.

    본 발명은 인휠모터에 관한 것으로서, 본 발명의 실시예에 따른 인휠모터는 타이어가 외륜을 감싸 결합되는 원형의 림, 림의 중심을 관통하여 연결되는 샤프트, 림의 내부에서 샤프트에 연결 고정되는 고정자와, 고정자를 감싸도록 배치되며 회전하는 회전자를 포함하는 모터 어셈블리, 림에 내부에 구비된 모터 어셈블리를 외부와 차단시키도록 림의 개방된 부위에 결합되며, 샤프트가 중심을 관통하는 커버, 및 커버의 내측에 위치 구속되며, 샤프트를 접촉하여 지지하는 베어링을 포함하고, 샤프트는 림과 커버 각각의 중심을 관통하여 외측으로 연장되는 제1 샤프트 몸체부, 및 제1 샤프트 몸체부보다 직경이 확장하여 형성되며, 고정자와 베어링 사이에 위치하는 제2 샤프트 몸체부를 포함하며, 모터 어셈블리에 전원을 공급하는 전원 선은, 고정자와 베어링 사이에서 제2 샤프트 몸체부의 반경 방향으로 투입되어, 제2 샤프트 몸체부의 길이 방향으로 인출될 수 있다.


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    Title :

    INWHEEL MOTOR


    Additional title:

    인휠모터


    Contributors:
    YANG HAERIM (author) / SEUNG SUK OH (author) / YEONGJAE KIM (author)

    Publication date :

    2021-07-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES



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