| 摘要 |
PROBLEM TO BE SOLVED: To absorb load from a front side or the like of a vehicle by deformation of a front end portion of a floor and efficiently transmit and distribute the load to a rear side or the like of the vehicle so as to reduce deformation of the floor.SOLUTION: The structure of a suspension frame comprises: a pair of left and right side members 5; and a suspension frame 10 for connecting the side members 5. The suspension frame 10 is provided with a rear side attachment part 16a and a front side attachment part 19a for the side members. A rear side arm 13 has a central portion in a vehicle width direction formed in a curved shape protruding toward the front side of the vehicle. On the rear side of the vehicle of the suspension frame 10 are arranged a pair of left and right inner gussets 20 extending obliquely forward from both left and right sides of a center tunnel portion provided at a central portion in the vehicle width direction of a vehicle body floor 8. Outer end portions in the vehicle width direction of the inner gussets 20 and the side members 5 are connected around the rear side attachment part 16a for the side members 5 positioned at both left and right end portions of the suspension frame 10. |
