Vehicle rear structure provided with curtain air bag device

A technology of curtain airbag and rear structure, which is applied in the direction of upper structure, vehicle parts, upper structure sub-assembly, etc., and can solve the problem that the rear pillar decorative plate is easily damaged and other problems

Active Publication Date: 2011-04-06
MAZDA MOTOR CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the rear edge of the roof side trim and the upper end of the front edge of the rear pillar trim are likely to be damaged due to the expansion pressure of the curtain member.

Method used

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  • Vehicle rear structure provided with curtain air bag device
  • Vehicle rear structure provided with curtain air bag device
  • Vehicle rear structure provided with curtain air bag device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] 1 to 10 show an example of a rear structure of a vehicle including a curtain airbag device according to the present invention. The curtain airbag device includes an inflator 1 that operates in response to a detection signal from an unillustrated sensor that can detect or predict a side collision accident or rollover of the vehicle; The curtain member 3 is folded and stored in a serpentine shape, and the gas supply pipe 4 is supplied to the curtain member 3 by supplying gas generated during the operation of the inflator 1 to expand and expand the curtain member 3 .

[0021] The vehicle described above is provided with three rows of passenger seats consisting of front seats 5 , middle seats 6 , and rear seats 7 . In addition, a front pillar composed of an A-pillar 8 is provided at the side front of the vehicle body, a center pillar composed of a B-pillar 9 and a C-pillar 10 is provided behind it at a predetermined interval, and a rear pillar is provided at the side rear o...

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PUM

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Abstract

A vehicle rear structure with a curtain air bag device is provided which is capable of, when a predetermined condition is satisfied, effectively restraining a front upper end of a rear pillar trim from breaking and scattering, and spreading a curtain member properly. The air bag device includes a curtain member which is fixed to the body of a vehicle, inflates with a gas pressure supplied when the predetermined condition is satisfied, and spreads so as to cover the interior surface of a side window glass at least from a side end of a roof trim up to a predetermined lower position in the frontsurface of the rear pillar; a roof side trim is provided between the vicinity of the upper end of the side window glass and the roof trim, and a rear end of the roof side trim is disposed to overlap with the front upper end of the rear pillar trim; and the curtain member spreads from the inner in the vehicle width directions through the boundary part between the rear end of the roof side trim andthe front upper end of the rear pillar trim toward a cabin space of the vehicle.

Description

technical field [0001] The present invention relates to a rear structure of a vehicle provided with a curtain airbag device that is deployed to cover side portions of a vehicle compartment when the vehicle undergoes a side collision or rollover, thereby protecting occupants. Background technique [0002] Conventionally, as shown in Japanese Patent Laid-Open Publication No. 2004-189099 (Patent Document 1) and US2004 / 0150189 Specification (Patent Document 2), curtain members (airbags) have been installed along the side edges of the pillars and the roof. Fixed, when the vehicle collides, etc., the above-mentioned curtain member is inflated corresponding to the air pressure generated by the inflator, whereby the curtain member is expanded to cover the inner surface of the side part of the vehicle compartment, that is, from the vehicle width direction of the roof trim panel. The range from the side part to the predetermined lower position of the front edge of the rear pillar prot...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60R21/21B60R21/213B60R13/02B62D25/02B60R21/20
Inventor 山际刚日高昭一郎中尾宏明平田基晴渡边努佐伯秀治吉川秀明
Owner MAZDA MOTOR CORP
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