천장판부에 홈부를 갖는 대략 홈형 단면의 구조 부재에 있어서, 홈부를 형성하는 것에 의한 흡수 에너지 효율의 향상 효과가 유효하게 발휘되어, 하중 전달 특성이나 강성이 우수한 자동차 차체용 구조 부재를 제공한다. 소정 방향으로 연장되어 형성되고, 천장판부(4), 상기 천장판부(4)에 연속되는 능선부(4a, 4b) 및 상기 능선부(4a, 4b)에 연속되는 종벽부(5a, 5b)를 갖고, 상기 소정 방향에 대해 교차하는 단면이 대략 홈형 단면을 이루는, 강판제의 프레스 성형체로 이루어지는 자동차 차체용 구조 부재에 있어서, 상기 천장판부(4)에 상기 소정 방향으로 연장되어 형성된 적어도 하나의 홈부(8)와, 상기 소정 방향의 단부에 있어서의 적어도 상기 능선부(4a, 4b)의 범위에 형성된 외향 플랜지(9a, 9b)를 구비하고, 상기 홈부(8)의 깊이를, 상기 홈부(8)의 폭 및 상기 강판의 판 두께에 따라서 설정한다.

    [Object] Provided is a structural member for an automotive body, which is excellent in load transfer capability and rigidity by effectively enhancing energy absorption efficiency provided by disposing a groove in the structural member having a substantially gutter-shaped cross section and a groove in the top plate. [Solution] The structural member for an automotive body, the structural member consisting of a press-formed product made of a steel sheet, the press-formed product extending in a predetermined direction, including a top plate, a ridge continuing to the top plate, and a vertical wall continuing to the ridge, and having a substantially gutter-shaped cross section intersecting the predetermined direction, includes at least one groove formed in the top plate, and extending in the predetermined direction, and an outward flange formed at least in a region of the ridge in an end in the predetermined direction. The groove having a depth set according to a width of the groove and a sheet thickness of the steel sheet.


    Access

    Download


    Export, share and cite



    Title :

    STRUCTURAL MEMBER FOR AUTOMOBILE BODY


    Additional title:

    자동차 차체용 구조 부재


    Publication date :

    2018-01-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL , Bearbeiten oder Verarbeiten von Blechen, Metallrohren, -stangen oder -profilen ohne wesentliches Abtragen des Werkstoffs / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



    STRUCTURAL MEMBER FOR AUTOMOBILE BODY

    YOSHIDA MICHITAKA / TOMIZAWA ATSUSHI / UEMATSU KAZUO | European Patent Office | 2018

    Free access

    STRUCTURAL MEMBER FOR AUTOMOBILE BODY

    YOSHIDA MICHITAKA / TOMIZAWA ATSUSHI / UEMATSU KAZUO | European Patent Office | 2017

    Free access

    STRUCTURAL MEMBER FOR AUTOMOBILE BODY

    SUZUKI TOSHIYA | European Patent Office | 2024

    Free access

    STRUCTURAL MEMBER FOR AUTOMOBILE BODY

    SUZUKI TOSHIYA | European Patent Office | 2022

    Free access

    STRUCTURAL MEMBER FOR AUTOMOBILE BODY

    NISHIMURA RYUICHI / OTSUKA KENICHIRO / ITO YASUHIRO et al. | European Patent Office | 2019

    Free access