| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a vehicle body floor structure that prevents deformation of a vehicle body. <P>SOLUTION: This vehicle body floor structure includes: a side sill 10; an extension part 22 extending while bending lateral outward and joined to a sidewall of a front end part of a side sill inner 11; a tunnel frame 40 extending backward in the lateral center after obliquely extending toward the rear inside from an inner sidewall of the extension part 22; a floor panel 60; an under panel; a floor cross member 55; and a core material in the shape of X in plan view, surrounded by the extension part 22, the side sill inner 11, the floor cross member 55 and the tunnel frame 40, and joined between the floor panel 60 and the under panel. The core material has a first core material 80 and a second core material 90. The first core material 80 is inclined with respect to the longitudinal direction and the vehicle width direction, and extends closer to the lateral center as it goes to the rear side. The second core material 90 is inclined with respect to the longitudinal direction and the vehicle width direction, and extends closer to the lateral outside as it goes to the rear side. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
