Dashboard crossbeam of a motor vehicle consisting of two pipes and struts of composite material

A technology of composite materials and motor vehicles, which is applied in the field of instrument panel beams, can solve the problems of weight reduction, resistance strength, etc., and achieve the effect of firm connection

Active Publication Date: 2019-02-05
PEZHO SITROEN AUTOMOBILS SA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] The assembly of beams and struts made of composite materials and the reduction in the diameter of one of the two pipes can simultaneously solve the problem of weight reduction and tensile strength of the assembly

Method used

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  • Dashboard crossbeam of a motor vehicle consisting of two pipes and struts of composite material
  • Dashboard crossbeam of a motor vehicle consisting of two pipes and struts of composite material
  • Dashboard crossbeam of a motor vehicle consisting of two pipes and struts of composite material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0033] figure 1 A dashboard cross member 1 for a motor vehicle is shown consisting of two ducts 2 , 3 axially connected to each other.

[0034] The diameter of one of the two pipes 3 is smaller than the diameter of the other pipe 2 .

[0035] The beam 1 also comprises struts 4 extending in a transverse direction relative to the beam 1 .

[0036] The pipe 2 with the largest diameter is intended to run in front of the driver of the vehicle and thus to support the steering column.

[0037] A duct 3 having a diameter smaller than that of the duct 2 is intended to extend in front of the front passenger.

[0038] The strut 4 serves to be fastened to the floor of the vehicle and supports the cross member 1 .

[0039] According to the invention, the ducts 2 and 3 and the struts 4 are made of composite material.

[0040] In addition, the pipes 2 and 3 are connected to each other by an annular portion 5 formed on one of the ends of the strut 4 (see figure 2 and 3 ).

[0041] i...

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PUM

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Abstract

The cross-beam (1) has tubes (2, 3) axially connected with one another over a ring-shaped part, where one of the tubes has smaller diameter than another tube. A supporting rod (4) extends in a direction perpendicular to the cross-beam. The tubes and the rod are made from composite material, where the ring-shaped part is formed on one of ends of the rod. The rod is made from composite fabric with an area molded with thermoplastic synthetic material i.e. polyamide resin. Reinforcement fins are formed at an outer surface of the rod, where the fabric comprises carbon fibers.

Description

technical field [0001] The invention relates to a dashboard cross member for a motor vehicle consisting of two ducts axially connected to each other. Background technique [0002] Such cross members are generally fastened near the lower edge of the windshield baie and thus extend in front of the vehicle's front seats. [0003] The crossmember supports in particular the steering column and the instrument panel. [0004] The beam of the instrument panel is generally composed of a steel pipe with a constant cross section, which has a large quality defect. [0005] The part of the duct which runs in front of the passenger seat of the vehicle is less solitary than the part which runs in front of the driver, not least because this part does not support the steering wheel column. [0006] This drawback can be eliminated by implementing the crossbeam with two steel pipes axially connected to each other, the pipe running in front of the passenger having a smaller diameter or cross-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D25/14
CPCB62D25/145
Inventor O·奥沙尔J·M·阿帕萨米F·迪蒙
Owner PEZHO SITROEN AUTOMOBILS SA
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