The present invention discloses a center floor vehicle body structure. According to an embodiment of the present invention, the center floor vehicle body structure may include: i) a pair of upper panels configured to be attached to each other while a tunnel portion is placed therebetween along a front, rear, and longitudinal direction of the center flower panel, on an upper surface of a connection portion connecting a dash panel to a center floor panel and of a center floor panel, and configure to be made by performing a hot stamping process on tailor welded blanks (TWB) to which heterogeneous steel plates are attached; and ii) a pair of reinforcement panels arranged in a horizontal direction of a center floor panel, and having a part thereof attached to an upper surface of the upper panel and the remaining part thereof attached to the center floor panel. Accordingly, the present invention is able to prevent a welded portion of an upper center floor member, to which a TWB hot-stamping technique is applied, from being broken by collision energy.

    센터 플로워 차체 구조가 개시된다. 본 발명의 실시 예에 따른 센터 플로워 차체 구조는 ⅰ)대시 패널과 센터 플로워 패널을 연결하는 연결부 및 센터 플로워 패널의 상면에 그 센터 플로워 패널의 전후 종 방향을 따라 터널부를 사이에 두고 각각 접합되며, 이종 강판이 접합된 TWB 블랭크를 핫 스템핑 가공하여 이루어지는 한 쌍의 어퍼 패널과, ⅱ)센터 플로워 패널의 횡 방향을 따라 배치되며 일부분이 어퍼 패널의 상면에 접합되고, 나머지 부분이 센터 플로워 패널에 접합되는 한 쌍의 레인포스 패널을 포함할 수 있다.


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    Title :

    CENTER FLOOR VEHICLE BODY STRUCTURE


    Additional title:

    센터 플로워 차체 구조


    Contributors:

    Publication date :

    2017-03-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / B23K Löten , SOLDERING OR UNSOLDERING



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