Disclosed is a fastening unit for a battery pack case of an electric vehicle. According to an embodiment of the present invention, a fastening unit for a battery pack case of an electric vehicle comprises: a fastening pipe placed through one side of the center of a battery pack case; a cushion inserted into the upper part of the fastening pipe through a cover; and a long bolt which penetrates the fastening pipe and the cushion and is fastened to a car body frame. The fastening unit for a battery pack case of an electric vehicle fastens the battery pack case to the car body frame along with a lower cover which protects a cooling panel. The fastening unit includes: a circular bracket formed integrally with a downward cylindrical shape around the lower end of the fastening pipe, and having a welded end protruding outward around one side; and a retaining ring installed on the lower part of the circular bracket and fixing the lower cover while the lower cover is inserted into the circular bracket. The present invention can improve watertightness by reinforcing a sealing structure while increasing fastening robustness.

    전기자동차의 배터리 팩 케이스용 체결유닛이 개시된다. 본 발명의 실시 예에 따른 전기자동차의 배터리 팩 케이스용 체결유닛은 배터리 팩 케이스의 중앙부 일측을 관통하여 배치되는 체결 파이프와, 커버를 관통하여 상기 체결 파이프의 상부에 삽입되는 쿠션과, 상기 체결 파이프와 상기 쿠션을 관통하여 차체 프레임에 체결되는 롱 볼트를 포함하여 냉각 패널을 보호하는 하부 커버와 함께 상기 배터리 팩 케이스를 차체 프레임에 체결하는 전기자동차의 배터리 팩 케이스용 체결유닛에 있어서, 상기 체결 파이프의 하단부 둘레에 원통형으로 하향하여 일체로 형성되고, 일측 둘레에는 외측으로 돌출된 용접단이 형성되는 원형 브래킷; 및 상기 원형 브래킷에 상기 하부 커버를 끼운 상태로 상기 원형 브래킷의 하부에 설치되어 상기 하부 커버를 고정하는 리테이닝 링을 포함한다.


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    Title :

    MOUNTING UNIT FOR BARRERY PACK CASE OF ELECTRIC VEHICLES


    Additional title:

    전기자동차의 배터리 팩 케이스용 체결유닛


    Contributors:

    Publication date :

    2023-06-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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