Underbody for automotive vehicle having a non obstaculizante anti-chip coating zones draining rainwater and vehicle comprising such underbody

摘要

Underbody for vehicle such as a motor vehicle, comprising an inner rail (2) and an outer rail (4) respectively comprising two bottom flanges (3, 5) which are connected to each other by welds (6) located at different locations (7) along the two margins (3, 5) leaving survive a space (e) separating the two flanges (3, 5) in each region between two sites of consecutive welds (7), characterized by the lower edge (3a) of the lower flange (3) of the inner rail (2) comprises several legs (10) regularly arranged along this edge and projecting relative to the face of the flange (3) of the crossbar (2 ) opposite the intended to be connected to the flange of the outer rail (4), each located in a region between two sites of consecutive welds (7), and configured with respect to the lower edge portion (5a) of the lower flange the outer rail (4) to prevent clogging c omplete level of this lower edge (3a) of the space between two flanges (3, 5) when a layer of stone chip material (8) over at least the lower flange (3) of the inner rail (2) applies.