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Component bonding of motor vehicle bodies with load-bearing structures

A load-bearing structure and motor vehicle technology, applied in the direction of superstructure, vehicle parts, superstructure sub-assembly, etc., can solve problems such as sudden change in component strength

Active Publication Date: 2018-09-21
VOLKSWAGEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This results in a sudden change in the strength of the component in the transition region between the load-bearing structure and the closing plate or wall element

Method used

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  • Component bonding of motor vehicle bodies with load-bearing structures
  • Component bonding of motor vehicle bodies with load-bearing structures
  • Component bonding of motor vehicle bodies with load-bearing structures

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0054] exist figure 1 An exemplary embodiment of a platform 1 or substructure of a vehicle body 2 is shown in an exploded view, from which the individual components are very well visible. exist figure 2 The assembled state of the platform 1 is shown in a perspective view in . as by figure 1 and 2 It can be seen that the platform 1 consists of carrier structures 3 and individual wall elements 4 , which are also called cover panels or closing panels and which open between the carrier structures 3 . The support structure 3 absorbs all forces acting on the motor vehicle body 2 or on the platform 1 . The forces acting on the platform 1 can come, for example, from the chassis or from the load of the motor vehicle. Furthermore, the load-bearing structure 3 absorbs the forces acting on the motor vehicle body 2 in the event of a crash. During a crash, these forces are guided via the load-bearing structure 3 into or through the vehicle body on the so-called load path.

[0055]...

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Abstract

The invention relates to a component part of a motor vehicle body with a supporting structure. The member is formed of three plates which are overlapped with each other at least in a defined area so as to form a three-layer structure with a first outer plate, an intermediate plate and a second outer plate and in which the plates are joined by spot welding connection; the first outer plate is an integral part of the load-bearing structure, and wherein the middle plate is configured as a wall element; further, at least one welding core of the spot welding connection extends from the intermediate plate to the two outer plates, respectively, so as to connect all three plates with the welding core, and wherein the thickness of the first outer plate is at least 2.5 times of that of the middle plate.

Description

technical field [0001] The invention relates to a component bonding of a motor vehicle body with a load-bearing structure according to the invention. Background technique [0002] Vehicle bodies are usually constructed by so-called shell construction, in which a plurality of open or closed hollow profiles in the form of longitudinal and cross members are welded to one another and / or are fastened by means of mechanical fasteners known per se. connect. Such a shell construction is known in principle from DE 10 2004 062 933 A1. Said document describes a trailer constructed from longitudinal and cross members, wherein between the longitudinal and cross members a plate closing the body to the outside is stretched as a so-called cover plate, the connection of which is formed by the longitudinal and cross members formed load-bearing structure. Document DE 10 2004 062 933 A1 describes in particular a base plate extending between stringers. [0003] Furthermore, it is known from ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D25/02B23K11/10
CPCB62D25/2036B23K11/11B62D25/2018B62D25/2027
Inventor M.蒂勒O.布卢姆
Owner VOLKSWAGEN AG