PROBLEM TO BE SOLVED: To provide a shock absorbing member capable of reducing weight while securing absorption energy.SOLUTION: A shock absorbing member includes a main body 20 formed from a metal plate and an intermediate plate 30. The main body 20 has a shape on cross-section vertical to the axial direction which is a square. The intermediate plate 30 is disposed along the axial direction of the main body 20, is joined to the main body such that both edges in the width direction are respectively superposed on a pair of long sides of the square of the main body 20 and further have a plurality of holes 30a which are arranged side by side along the axial direction of the main body 20 and are arranged within a prescribed region X. The prescribed region X is located on a center in the width direction of the intermediate plate 30 and has a width (mm) of 39% for the width W1 (mm) of the intermediate plate. A plate thickness (mm) of the intermediate plate 30 is 140 to 290% for the plate thickness (mm) of the main body 20.SELECTED DRAWING: Figure 2C
【課題】吸収エネルギーを確保しつつ軽量化できる衝撃吸収部材を提供する。【解決手段】金属板から成形される本体20および中板30を備える衝撃吸収部材である。本体20は、軸方向に垂直な断面における形状が4角形である。中板30は、本体20の軸方向に沿って設けられるとともに、幅方向の両端が本体20の4角形の一対の長辺にそれぞれ重ね合わせて接合され、さらに、本体20の軸方向に沿って並べて所定の領域X内に配置される複数の穴30aを有する。所定の領域Xは、中板30の幅方向の中央に位置し、かつ、中板の幅W1(mm)に対して39%の幅(mm)である。中板30の板厚(mm)は、本体20の板厚(mm)に対して140〜290%である。【選択図】図2C
SHOCK ABSORBING MEMBER
衝撃吸収部材
2016-09-01
Patent
Electronic Resource
Japanese