To control a deformation position of a floor cross member when receiving an impact load due to side collision, and suppress damage of a loaded object loaded on a vehicle.SOLUTION: A first cross member 20 extending in a width direction is provided on the upper surface of a floor panel 1, one end of the first floor cross member 20 is joined to a side sill 15, the other end thereof is joined to a floor tunnel 10, the first floor cross member 20 has a convex lateral cross-sectional shape projecting upward, a member upper face part 21 extending in a vehicle width direction is provided on the upper part of the convex, and a fragile part 21b is provided in a longitudinal direction on the member upper face part 21.SELECTED DRAWING: Figure 3
【課題】側突等による衝撃荷重を受けたときのフロアクロスメンバの変形位置をコントロールして車両に積載された積載物の破損を抑制できるようにする。【解決手段】フロアパネル1の上面には、幅方向に延びる第1のクロスメンバ20が設けられ、第1のフロアクロスメンバ20の一方端はサイドシル15に接合され、他方端はフロアトンネル10に接合され、第1のフロアクロスメンバ20は、上方に突出する凸形状の横断面形状を有し、凸形状の上部には、車幅方向に延びるメンバ上面部21が設けられ、メンバ上面部21には、前後方向に沿って脆弱部21bが設けられている。【選択図】図3
VEHICLE BODY FLOOR PART STRUCTURE
車体フロア部構造
2023-03-22
Patent
Electronic Resource
Japanese
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |
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