To transmit a lateral collision load, which is input offset in a vehicle fore and aft direction, to a floor cross member smoothly.SOLUTION: A vehicle body lower part structure includes: a floor cross member 16 which connects a side sill 12 disposed at the outer side in a vehicle width direction with a floor tunnel 14 disposed at a center of a vehicle body and is disposed so as to be sandwiched between seat brackets 22a, 22b in a vehicle fore and aft direction. An outer end as seen in the vehicle width direction of the floor cross member 16 includes a widening part 30 which widens in the vehicle fore and aft direction. Beads 36 extending along a front wall 28b and a rear wall 28c are provided on an upper surface of an upper wall 28a of the floor cross member 16.SELECTED DRAWING: Figure 1
【課題】車両前後方向にオフセットして入力された側突荷重をフロアクロスメンバに対して円滑に伝達すること。【解決手段】車幅方向外側に配置されたサイドシル12と車体中央に配置されたフロアトンネル14とを連結し、車両前後方向でシートブラケット22a、22b間に挟まれるように配置されたフロアクロスメンバ16を有し、このフロアクロスメンバ16の車幅方向外側端部は、車両前後方向に拡幅する拡幅部30を備え、また、フロアクロスメンバ16の上壁28aの上面には、前壁28b及び後壁28cに沿って延出するビード36がそれぞれ設けられている。【選択図】図1
VEHICLE BODY LOWER PART STRUCTURE
車体下部構造
2023-07-10
Patent
Electronic Resource
Japanese
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |