The present invention relates to a door locking maintenance device of a fuel filler door housing assembly for a vehicle, comprising: the fuel filler door housing assembly (100) including a fuel injection hole (110) and a rod housing installation unit (120), and having a protruding insertion hole (180) and a protruding locking step (181) formed on one inner end of the fuel filler door (150); a rod housing (200) coupled to the rod housing installation unit (120) and having an operation hole (250) formed in a center; an operation rod (400) having a locking protrusion (480) formed in a top to be inserted into or withdrawn from the operation hole (250) of the rod housing (200), and having a triangular guide protrusion (450) formed on both sides of a bottom to face each other to perform rotational and linear movement; a base plate (300) assembled in a lower part of the rod housing (200) and having a rod rotation part (350) formed on an upper surface to rotate the operation rod (400) in one direction by each 90 angular degrees; and a spring (500) to assign tension to the operation rod (400). Accordingly, an installation space is not restricted, a locking state is firmly maintained when the fuel filler door is closed and locked, and the rotational and linear movement are smoothly and quickly operated by a lock maintenance groove part (210) and an unlock maintenance groove part (220).

    본 발명은 자동차용 연료 필러도어 하우징 어셈블리의 도어 잠김 유지 장치에 관한 것으로서, 연료 주입구(110)와 로드하우징 설치부(120)가 구비되며, 연료 필러도어(150)의 내측 일단에 돌조 삽입홀(180)과 돌조 걸림턱(181)이 구비된 연료 필러도어 하우징 어셈블리(100); 로드하우징 설치부(120)에 결합되며, 중앙에 작동홀(250)이 구비된 로드하우징(200); 로드하우징(200)의 작동홀(250)로 출입되는 상단에 잠금 돌조(480)가 구비되고, 하단 양쪽에 삼각형의 안내 돌기(450)가 대향으로 구비되어 회전 및 직선 운동하는 작동 로드(400); 로드하우징(200) 하부에 조립되며, 작동 로드(400)를 일방향으로 90도씩 회전시키는 로드 회전부(350)가 상면에 구비된 베이스판(300)과; 작동 로드(400)에 장력을 부여하는 스프링(500);으로 구성하여 설치 공간에 제약을 받지 않고, 연료 필러도어를 닫아 잠그면 잠금 상태가 매우 견고하게 유지되며, 로드하우징(200)은 작동홀(250)의 하부 내면에 형성한 록 유지홈부(210)와 언록 유지홈부(220)에 의해 회전 및 직선 운동이 보다 부드럽고 신속하게 동작 되게 한 것이다.


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    Title :

    Door locking support of the automobile fuel filler door housing assembly


    Additional title:

    자동차용 연료 필러도어 하우징 어셈블리의 도어 잠김 유지 장치


    Contributors:

    Publication date :

    2018-02-01


    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



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