Novel adaptive air bag exhaust hole structure and automobile safety air bag
An air vent, self-adaptive technology, applied in the direction of vehicle safety arrangement, pedestrian/occupant safety arrangement, vehicle components, etc., can solve the problems of passenger injury, air bag impact, etc., to achieve cost-effective, low-cost, easy installation Effect
Pending Publication Date: 2021-09-03
上海东方久乐汽车安全气囊有限公司
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Problems solved by technology
However, due to the great impact of the air bag during deployment, it is easy to cause injury to occupants with small weight or improper sitting posture, especially the drivers and occupants in the front row
Method used
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[0037] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.
[0038] see Figure 1 to Figure 4 , shown in the figure is a novel self-adaptive air bag vent structure 100 , including a vent cylinder 110 , a drawstring 120 and a laser device 130 .
[0039] One end of the exhaust cylinder 110 is sealed on the exhaust hole 510 of the air bag 500 and its interior communicates with the exhaust hole 510 . The exhaust cylinder 110 has a tapered cylinder structure, the port connected to the vent hole 510 of the air bag 500 is large, and the port connected to the drawstring 120 is small.
[0040] One end of the drawstring 120 is connected to the other end of the exhaust cylinder 110 , and two air outlets 111 , 112 are formed at the connection between the drawstring 120 and the exhaust cylinder 110 . Of course, the ...
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The invention discloses a novel adaptive air bag exhaust hole structure which comprises an exhaust barrel, an exhaust pipe, a sealing cover and a sealing cover. One end of the exhaust barrel is arranged on an exhaust hole of an air bag in a sealed mode, and the interior of the exhaust barrel is communicated with the exhaust hole; a drawstring of which one end is connected with the other end of the exhaust barrel; and an excitation device which is connected with the other end of the drawstring and tensions the drawstring, and when the excitation device receives an ignition signal, the excitation device is exploded, so that the drawstring is loosened. The invention further discloses an automobile safety air bag comprising the novel self-adaptive air bag exhaust hole structure. According to the automobile safety air bag, the pressure in the air bag can be adjusted by controlling the opening or closing of the exhaust barrel body through the drawstring according to the actual condition, so that the air bag is prevented from hurting passengers with relatively small weight or incorrect sitting postures in the unfolding process.
Description
technical field [0001] The invention relates to the technical field of automobile safety airbags, in particular to a novel self-adaptive airbag vent structure and an automobile safety airbag equipped with the novel self-adaptive airbag vent structure. Background technique [0002] Automobile airbag is a kind of safety device in the passive safety restraint system of the automobile, which can be detonated instantaneously when the automobile collides, so as to protect the safety of the occupants in the automobile. The air bag, which is an important part of the car airbag, is filled with gas when the airbag is detonated, and separates the occupants from the steering wheel or instrument panel to protect the safety of the occupants. The air bag requires a very high gas pressure during the deployment process, which has a certain protective effect on the occupants of the vehicle with normal weight and normal sitting posture. However, due to the great impact of the air bag during d...
Claims
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IPC IPC(8): B60R21/239
CPCB60R21/239
Inventor 孙超逸晏小龙张玉红刘绍川段绍仙胡亚娟
Owner 上海东方久乐汽车安全气囊有限公司