| 摘要 |
PURPOSE:To increase the strength of each connecting part and a vehicle room front end part by specifying the connecting relation of each of component parts which form the lower part body structure of a vehicle and forming a closed section on the connecting part between the front end part of a floor frame and a front side frame. CONSTITUTION:A dash lower panel 1 which forms a partition wall toward an engine room is erected on the front end part of a vehicle room while a floor panel 2 is connected to its lower end part. In this case, one end part of the floor panel 2 is formed into a projecting part 2b which is directed obliquely upward and a front side frame 3 is connected to this projecting part 2b. And, a floor frame 4 is connected to the top face side of the projecting part 2b, thereby, connecting the frames 3, 4 via the floor panel 2. Also, a dash lower member 5 is inclinedly installed between the floor panel 2 and the dash lower panel 1 by connecting the flange parts 5a on its upper and lower end parts to the panels 1, 2 respectively, to form a closed section 6.
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