The present invention relates to a coupled torsion beam axle (CTBA) bush and, more specifically, to a CTBA bush capable of improving indentation feature of the CTBA bush wherein a plastic outer pipe is applied. Disclosed is the CTBA bush. In the CTBA bush which is pressed and fitted to a bush bracket formed on both trailing arm leading ends of a CTBA suspension system, the CTBA bush according to an embodiment of the present invention comprises: an outer pipe which forms one hole at the outer circumference surface and includes a plurality of protrusions on the outer circumference surface; an inner pipe which is placed inside the outer pipe and has a bulge structure; and bush rubber placed between the inner circumferential surface of the outer pipe and the outer circumferential surface of the inner pipe. The hole is perpendicular to an indentation direction of the outer pipe regarding the bush bracket and has two parallel vertical sides and a diagonal line side which is connected to the vertical sides and has a gap regarding an indentation opposite direction of the outer pipe as a certain angle.

    CTBA 부시가 개시된다. 본 발명의 일 실시 예에 따른 CTBA 부시는 CTBA 현가장치의 양측 트레일링 암 선단에 형성된 부시 브라켓에 압입되는 CTBA 부시에 있어서, 외주면에 적어도 하나의 홀이 형성되며, 외주면에 복수의 돌기를 포함하는 아웃터 파이프; 상기 아웃터 파이프의 내부에 구비되며, 벌지구조를 갖는 인너 파이프; 및 상기 아웃터 파이프의 내주면과 인너 파이프의 외주면 사이에 개재된 부시 고무를 포함하며, 상기 홀은 상기 부시 브라켓에 대하여 아웃터 파이프의 압입방향에 대해 수직을 이루며, 서로 평행한 2개의 수직변과, 상기 수직변과 연결되며, 상기 아웃터 파이프의 압입반대방향에 대해 일정각도로 벌어진 사선변으로 이루어진다.


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    Title :

    BUSH FOR COUPLED TORSION BEAM AXLE


    Additional title:

    CTBA 부시


    Contributors:
    OH YUN SUK (author) / PARK JIN WOOK (author) / SOHN HYUN CHUL (author)

    Publication date :

    2016-07-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge



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