FIELD: automotive engineering.
SUBSTANCE: door structure of the motor vehicle contains a structural door frame and a belt reinforcement profile. The structural box and the waist reinforcement profile are made and interconnected so as to limit the first hollow body and the second hollow body. Hollow bodies have a tubular shape and are elongated along the length of the waist reinforcement profile. The profile contour of the reinforced profile is uniform along the entire length of the reinforcement profile. The door of the motor vehicle comprises said door structure. The vehicle contains the said door. The belt reinforcement profile is used in said door structure. The section of the belt reinforcement profile in the plane of the section transverse to the length of the waist reinforcing profile has an open contour, limiting the first side part and the central part. The open contour limits the mating part connecting the central part to the second side part.
EFFECT: controlled deformation of the door structure upon impact.
15 cl, 6 dwg
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