| 摘要 |
PURPOSE: A joining structure of a floor panel and a side frame for a vehicle is provided to improve a mutual bonding strength and easily install components by using a transformed space of the floor panel. CONSTITUTION: In a joining structure of a floor panel(10) and a side frame(20) for a vehicle, the floor panel is composed a housing part(12) in which a component(E) as a wire harness is arranged or kept, an expansion unit(22) for supporting the housing part of the floor panel, flanges(24) welded to the floor panel and integrally bent at both ends of the expansion unit, a joining flange(32) disposed at the upside of a reinforcement(30) which is integrally attached to the side frame and welded together with the housing part of the floor panel and the expansion unit of the side frame therebetween, and a sill side trim(40) mounted at the upside of the floor panel to shield or fix-hold the components arranged in the housing part.
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