Vehicle frame with stress relief feature

Details Vehicle frame with stress relief feature Vehicle frame with stress relief feature

B - Operations, Transporting

62

D

B62D 21/00 (2006.01) B62D 31/02 (2006.01)

Patent

CA 2632498

A vehicle frame includes a plurality of hollow tubular members welded together. An opening in a side wall of the frame which receives a door or window of the vehicle is bordered by at least two hollow tubular members which are interconnected by a non-tubular, reinforcing corner member. The reinforcing corner member includes a pair of solid parallel plates spaced apart by a perpendicular cross-member. Each plate of the reinforcing corner member has integral first and second elongated portions extending on either side of a continuous curve therebetween which has a substantially constant radius of curvature such as to define a smooth transition between the integral first and second elongated portions of the plate. The reinforcing corner member distributes stress away from the curved corner and to the tubular members, thereby preventing stress concentration at a joint between the two tubular members surrounding the opening in the frame.

Un châssis de véhicule comprend de multiples éléments tubulaires creux soudés ensemble. Une ouverture dans une paroi latérale du châssis qui reçoit une porte ou une fenêtre du véhicule est bordée au moins par deux éléments tubulaires creux, reliés par un élément d'angle de renfort, non tubulaire. Cet élément d'angle de renfort comprend une paire de plaques parallèles pleines séparées par une traverse de cadre perpendiculaire. Chaque plaque de l'élément d'angle de renfort comprend une première et une seconde parties allongées intégrées qui occupent chaque côté de la courbure continue intercalaire. Cette courbure présente un rayon de courbure sensiblement constant afin de déterminer une transition progressive entre la première et la seconde parties allongées intégrées de la plaque. L'élément d'angle de renfort répartit en l`éloignant la contrainte de l'angle incurvé et appliquée aux éléments tubulaires, ce qui empêche la concentration de contrainte à une jonction des deux éléments tubulaires entourant l'ouverture dans le châssis.

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