흡수 에너지를 확보하면서 경량화할 수 있는, 축 방향으로 부하되는 충격 하중을 주기적인 좌굴에 의하여 흡수하는 충격 흡수 부재(10)이며, 충격 흡수 부재(10)는, 금속판으로 구성되고, 축 방향과 수직인 단면에서의 형상이 다각 형상인 본체(20)와, 금속판으로 구성되고, 본체 내의 중공부에 축 방향을 따라 설치되는 중판(30)을 구비하고, 본체(20)의 다각 형상은, 서로 대향하는 1쌍의 긴 변(20a, 20b)을 갖고, 중판(30)은, 본체(20)의 다각 형상의 각 긴 변(20a, 20b)에 접합되고, 본체(20)의 판 두께 t1(㎜) 및 중판(30)의 판 두께 t2(㎜)가 1.3×t1≤t2를 만족시킨다.

    An impact absorbing member 10 able to secure absorption energy while lightening weight by absorbing the impact load applied in the axial direction by periodic buckling, wherein the impact absorbing member 10 is provided with a main body 20 comprised of metal sheet and having a polygonal shape in cross-section vertical to an axial direction and a center sheet 30 comprised of metal sheet and provided at a hollow part in the main body along the axial direction, the polygonal shape of the main body 20 includes a pair of long side (20a, 20b) facing each other, the center sheet 30 is joined to each of the long sides (20a, 20b) of the polygonal shape of the main body 20, and the sheet thickness t1 (mm) of the main body 20 and the sheet thickness t2 (mm) of the center sheet 30 satisfy 1.3×t1¤t2.


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    Title :

    IMPACT ABSORPTION MEMBER


    Additional title:

    충격 흡수 부재


    Publication date :

    2019-04-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    F16F SPRINGS , Federn / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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