A vehicle lower body structure can include: a side sill that forms a first closed cross section extending in a body front-rear direction; and a reinforcing member provided in the first closed cross section to reinforce a front end portion of the side sill. The reinforcing member can have: a front-end reinforcing section that supports a collision load applied to the front end portion of the side sill and directed rearward in a vehicle body; a deformation permission section that permits deformation of the side sill directed inward in a vehicle width direction and rearward at the time when the collision load directed inward in the vehicle width direction and rearward is applied to the front end portion of the side sill; and a deformation suppression section suppressing deformation of the side sill after the deformation of the side sill directed inward in the vehicle width direction and rearward.


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    Title :

    Vehicle lower body structure


    Contributors:

    Publication date :

    2023-01-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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