New Joint Structure Design of Extended Van Body

Abstract

To meet the demand of market, all home automobile manufacture companies are try to develop extended and widened vehicles, based on the standard light vans, to expand space for transportation. Taking HIACE SY6480 as basic model, our company developed the extended vans, to expand the market. This article explain mainly the structure design logic of the extended body of HIACE product, and according to the special requirement for the extended body and the technological features of large lining parts, design a new joint structure and suitable production technology for making it: 1. Design a single-side spot-weld plus liquid structure glue method for the extended fender plate. 2. At the butt joint of front and rear side fender plates, design a method of stiffened plate structure plus liquid structure glue. 3. Adopt a coped structure for front and rear side fenders. All these are new joint structures and production techniques that ensure the firmness of the front and rear joint of side fenders, the strength and rigidity of the body structure, and the smoothness of the body surface. As this kind of body structure is a creative design in China, the national patent office has approved the “New joint structure of extended van body” as a national utility model patent, and obtained patent right. This time the new structure design is to conduct a new extended reform of the van body, under the condition that do not change the modeling but continue to use the original model. So there are lot of constrain conditions, no large alternations to the origin model is allowed. Nevertheless, the new structure is still an effective means in optimizing the existence structure. In automobile body structure design, the design logic can only be realized when it connected with the techniques as pressing, welding, painting and others, to get a good combined result.