| 摘要 |
PROBLEM TO BE SOLVED: To provide a floor structure of a vehicle body to ensure a living space in a cabin during the side collision, and improve the collision energy absorption effect. SOLUTION: Against the collision input applied during the side collision via a center pillar, floor structural body 1 is not fixed at front and rear ends, and the rear end side is crushed, deformed and moved in the vehicle width direction at a part of a connection member and a crush deformation area in the vehicle width direction of the floor structural body 1 can be expanded in the longitudinal direction. Thus, the movement in the vehicle width direction from a lower end side of the center pillar is promoted, the rise degree of the collision energy absorption characteristic in the initial stage of the collision is increased, mode control can be facilitated to obtain the ideal deformation mode, and a living space in a cabin can be ensured, and the collision energy absorption effect can be improved.
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