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Vehicle structure with reinforcement between aluminum side members and front feet

A technology of reinforcements and longitudinal beams, applied in the field of motor vehicles, can solve problems such as incompatibility

Active Publication Date: 2018-10-26
PEZHO SITROEN AUTOMOBILS SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is not useful for the reinforcement of the stringers according to the previous teaching, in which the point of weakness is at the junction between the profile and the front foot, which are made of different materials and derived from metallurgical incompatible from the point of view of

Method used

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  • Vehicle structure with reinforcement between aluminum side members and front feet
  • Vehicle structure with reinforcement between aluminum side members and front feet
  • Vehicle structure with reinforcement between aluminum side members and front feet

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] figure 1 It has been described in the related art section.

[0026] figure 2 yes figure 1 A side view of the front portion of the side member of , simultaneously showing the rotulage and tilting phenomena observed in the event of a vehicle frontal collision with stresses transmitted through the upper path. In fact, in the event of a forward collision of the vehicle, part of the stress of the collision is transmitted through the element 116 connected to the upper part of the front foot or strut 108 . It concerns the upper path of stress transfer. Another portion of the stress may be transferred by front wheels (not shown) bearing on the front end of the stringer 104 . This involves the lower path. Stampings forming the cladding of the body side 114 cover the side members 104 and the front feet 108 .

[0027] The stress transmitted through the element 116 applies a bending moment to the bottom of the front foot 108 which actuates the front foot 108 and the stringer...

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PUM

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Abstract

The invention concerns a motor vehicle structure, comprising at least one sill (4) comprising a profiled section (6) made from aluminium or aluminium alloy and at least one post (8), such as a front hinge pillar, made from steel sheet extending essentially vertically from the sill (4), a portion of said post (8) covering a corresponding portion of the profiled section (6). The structure also comprises a reinforcement (18) made from steel sheet extending between the portion of the post (8) covering the profiled section (6) and the corresponding portion of the profiled section (6), said reinforcement (18) being fixed by clamping and / or mechanical engagement (181, 63) to the profiled section (6) and by welding to the post (8).

Description

technical field [0001] The invention relates to the field of motor vehicles, in particular to the structure of a motor vehicle or the construction of a body. Background technique [0002] Published patent document FR 2999517 A1 discloses the construction of a side member of the underbody of a motor vehicle, part of which consists of an aluminum profile. The stringer is in figure 1 shown in . It can be observed that the central portion of the stringer 104 and generally the right portion 104 1 Made of aluminum profiles 106, while the front part 104 2 and rear part 104 3 Manufactured in a conventional manner from steel sheet metal, the two parts comprise, inter alia, a front foot or strut 108 and a rear foot or strut 110 . Profile 106 and front part 104 2 with rear part 104 3 The connections between are not described in detail in this teaching. Seems front part 104 2 and rear part 104 3 Each of them extends longitudinally and covers a portion of the profile 106 . Sec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D25/02B62D25/04B62D27/02B62D29/00
CPCB62D25/025B62D25/04B62D27/023B62D29/008
Inventor 弗雷德里克·考菲耶弗朗克·科帕克艾瑞克·勒费夫尔安德烈·廷
Owner PEZHO SITROEN AUTOMOBILS SA