Air bag restraint device with a plurality of inflating matters

An airbag device, inflatable technology, applied in the directions of pedestrian/occupant safety arrangement, vehicle safety arrangement, transportation and packaging, etc., can solve the problems of ineffective protection of the driver, technical difficulties, pressure drop, etc., to prevent explosion. Possibilities, simplifying the modular structure, expanding the effect of using space

Inactive Publication Date: 2012-03-14
YANFENG KEY SHANGHAI AUTOMOTIVE SAFETY SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, further studies have found that when there is no occupant on the passenger side of the airbag, after the airbag is opened, the inflatable on the driver's side is pressed by the driver's body, and the gas in it will rush into the inflatable on the passenger's side, causing The air volume of the inflatable on the driver's side decreases and the pressure drops, which cannot effectively protect the driver. However, the air volume in the inflatable on the passenger's side

Method used

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  • Air bag restraint device with a plurality of inflating matters
  • Air bag restraint device with a plurality of inflating matters
  • Air bag restraint device with a plurality of inflating matters

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0033] Example 1

[0034] The airbag device with multiple inflatables disclosed in this embodiment can protect the driver and the front occupants from the front at the same time. The airbag device is embedded in the front end of the roof and has a gas generator (not shown in the figure) and an airbag. Bag assembly 100.

[0035] See figure 1 The air bag assembly 100 has two inflatables 110, 120 and a gas diversion chamber 200. The air bag assembly 100 is provided with an air inlet 130, and the gas diversion chamber 200 is in communication with the air inlet 130. 130 is directly connected to the gas generator, of course, it can also be connected to the gas generator through a gas guiding device. The entire sewing process of the air bag assembly can be as follows: First, the first gas distribution chamber bag piece (not shown in the figure) and the second gas distribution chamber bag piece (not shown in the figure) are sewn into the gas distribution chamber 200. . All sewing is car...

Example Embodiment

[0040] Example 2

[0041] See Picture 9 , The airbag device is embedded in the front of each rear occupant of the canopy. The air bag assembly 100a has two or three inflators, and each inflator is used to protect each rear occupant from the front. The volume ratio of each air bag is the same. The remaining structure is the same as in Example 1.

Example Embodiment

[0042] Example 3

[0043] See Figure 7 , The airbag device is embedded in the canopy, and the airbag components are arranged at intervals. The first exhaust bag assembly 100 is arranged at the front end of the canopy and has two inflatables 110, 120 and a gas distribution chamber 200 connected together. One inflatable 110 is used to protect the driver from the front, and the other inflatable 120 Used to protect the front occupants from the front. The gas branch chamber 200 is provided with two branch outflow air passages 210 and 220. The branch outflow passages 210 and 220 are in a constricted state relative to the gas branch chamber 200. The gas branch passage 210 extends into the inflatable body 110 and is connected to the inflatable body. 110 runs through inside. The gas branch passage 220 extends into the inflatable body 120 and penetrates the inside of the inflatable body 120.

[0044] The air bag assembly 100a of each rear row is embedded in the canopy and is arranged on ...

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PUM

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Abstract

The invention discloses an air bag restraint device with a plurality of inflating matters, which is embedded on the top of a vehicle and is provided with an air generator and an air bag assembly, wherein the air bag assembly is provided with an air inlet and one or more inflating matters, the air inlet is connected with the air generation, the air bag assembly also comprises an air distribution chamber communicated with the air inlet, a plurality of distribution air outlet channels are arranged on the air distribution chamber, each distribution air outlet channel is in a necking state relative to the air distribution chamber, and the air distribution air outlet channels extend into the corresponding inflating matters and are communicated with the insides of the inflating matters. By using difference of internal and external pressures of the distribution air outlet channels, the distribution air outlet channels are opened and closed, and further the purpose of controlling the air quantity and the pressure inside each inflating matter in an air bag restraint device with the plurality of inflating matters is achieved to ensure that each inflating matter can play a better protection role, and the possibility of explosion of the inflating maters is fundamentally avoided.

Description

technical field [0001] The invention relates to the technical field of automobile safety airbags, in particular to an airbag device with a plurality of inflatables which protects the driver and the front row passengers from the front or simultaneously protects the rear passengers from the front. Background technique [0002] With the improvement of automobile safety performance requirements, airbags to protect the driver and front-seat passengers have become standard configurations. For example, the airbag DAB used to protect the driver is installed in the steering wheel, and the airbag PAB used to protect the occupant is installed on the instrument panel. Because the driver's side and the passenger's side used on the current motor vehicle are all single air bag structures, each adopts a separate gas generator to inflate. Generally speaking, the airbags on the driver's side and the passenger's side generally cover more complex parts, such as: door cover, airbag fixing conta...

Claims

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Application Information

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IPC IPC(8): B60R21/213B60R21/237
Inventor 大卫·汉普森周满瑞
Owner YANFENG KEY SHANGHAI AUTOMOTIVE SAFETY SYST
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