| 摘要 |
A tunnel side frame includes a U-shaped portion having a U-shaped cross section opening upward, the U-shaped portion comprising a bottom face portion, an outer face portion, and an inner face portion. A front tunnel member comprises a first face portion which faces to the bottom face portion of the tunnel side frame, a second face portion which faces to the inner face portion of the tunnel side frame, and a third face portion which extends inward from an upper end of the second face portion. The front tunnel member is attached to a vehicle body by attaching the first face portion to the bottom face portion of the U-shaped portion and attaching the third face portion to a floor tunnel. |
| 主权项 |
1. A lower vehicle-body structure of a vehicle, comprising:
right-and-left side sills extending in a vehicle longitudinal direction at both outward sides, in a vehicle width direction, of a vehicle body; a floor panel connected to the right-and-left side sills; a floor tunnel protruding upward at a central portion of the floor panel; a pair of tunnel side frames extending in the vehicle longitudinal direction along both sides, in the vehicle width direction, of the floor tunnel; and a tunnel member connecting right-and-left lower portions of the floor tunnel, wherein said tunnel side frame includes a U-shaped portion having a U-shaped cross section which opens upward, the U-shaped portion comprising a bottom face portion, an outer face portion, and an inner face portion, said tunnel member comprises a first face portion which faces to said bottom face portion of the tunnel side frame, a second face portion which faces to said inner face portion of the tunnel side frame, and a third face portion which extends inward from an upper end of said second face portion, and said tunnel member is attached to the vehicle body by attaching said first face portion to said bottom face portion of the tunnel side frame and attaching said third face portion to said floor tunnel directly or via a bracket, respectively. |
