Undercarriage structure of motor vehicle.

摘要

An undercarriage structure of a motor vehicle has a pair of front frames (1), a pair of floor frames (2) integrally connected with rear ends of the front frames, a floor panel (18) attached to the floor frames (2), and side sills (20) extending in a front/rear direction and being connected with the sides of the floor frames (2). The floor frames (2), the side sills (20) and the floor panel (18) together form closed sections extending in the front/rear direction. <IMAGE>