PROBLEM TO BE SOLVED: To provide an automobile impact absorbing device capable of increasing absorbing amount of the impact energy while suppressing mass increase.SOLUTION: An automobile impact absorbing device includes: crash boxes 12 of which axial lines are extending in the forward-backward direction on each of both sides in a vehicle width direction, each of the crash boxes 12 including a cylindrical portion 21 of which axial line extending in the vehicle forward-backward direction and a spiral stepped portion 22 in which the cylindrical portion 21 is displaced in the radial direction so as to gradually reduce the diameter as heading towards the front of the vehicle; and a reinforcement member 13 extending in the vehicle width direction and each of which both end portions is attached to the front end surface of the crash box 12.SELECTED DRAWING: Figure 1
【課題】質量増加を抑制しつつ、衝撃エネルギーの吸収量を増加できる自動車用衝撃吸収装置を提供する。【解決手段】車両の幅方向両側の各々で前後方向に軸線の延びるクラッシュボックス12であって、車両の前後方向に軸線の延びる筒部21、及び車両の前方に向かうに従い筒部21が徐々に縮径されるように径方向に変位させる螺旋状の段部22を有するクラッシュボックス12と、車両の幅方向に延在して当該方向両端部の各々がクラッシュボックス12の前端面に取着された補強部材13とを備える。【選択図】図1
AUTOMOBILE IMPACT ABSORBING DEVICE
自動車用衝撃吸収装置
2017-10-05
Patent
Electronic Resource
Japanese
European Patent Office | 2024
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