CN102975682B - Safety air bag - Google Patents
Safety air bag Download PDFInfo
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- CN102975682B CN102975682B CN201210437174.5A CN201210437174A CN102975682B CN 102975682 B CN102975682 B CN 102975682B CN 201210437174 A CN201210437174 A CN 201210437174A CN 102975682 B CN102975682 B CN 102975682B
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Abstract
The invention discloses a kind of safety air bag, comprise an airbag and two gas generators, described airbag is divided into the first air chamber and the second air chamber by a next door, and described two gas generators are respectively in order to accordingly to described first air chamber and described second chamber inflated.Safety air bag of the present invention by airbag being divided into two air chambers, and arranging two gas generators and inflates respectively two air chambers, thus can improve the charge efficiency of airbag, shortens airbag and launches the required time completely; And; two gas generators can adopt different time of ignitions and inflation pressure; and the inflation direction of gas is guided by airbag; inflation direction is changed into horizontal aeration towards occupant by original; while shortening inflationtime; control the stiffness characteristics of air bag different parts more neatly, more effectively protect occupant's head, neck and chest injury-free.
Description
Technical field
The present invention relates to automobile component, particularly relate to a kind of safety air bag.
Background technology
Along with the high speed development of auto trade, safety traffic is the common issue that countries in the world face, and strengthens the research of automotive safety, reduces the Road Traffic Injury of China, is that the whole society jointly pays close attention to and makes great efforts one of important social concern solved.In automobile generation head-on crash process, the protective effect of safety air bag to occupant's head and chest is most important, and the performance such as the performance of air bag and occupant space, safety strap, seat is also closely bound up.With regard to air bag self, airbag shape, inflationtime, inflation direction, air bag each position Stiffness Distribution etc. all reflect the quality of this air bag performance.The general inflationtime of existing air bag is longer, and is not easy to the Stiffness Distribution controlling each position of air bag, is therefore unfavorable for that occupant safety is protected.
Summary of the invention
In view of this, be necessary to provide a kind of safety air bag, to shorten the airbag aeration time and conveniently to control the rigidity of air bag different parts.
The present invention is achieved through the following technical solutions: a kind of safety air bag, comprise an airbag and two gas generators, described airbag is divided into the first air chamber and the second air chamber by a next door, and described two gas generators are respectively in order to accordingly to described first air chamber and described second chamber inflated; First air chamber described in each and the second air chamber comprise air chamber afterbody and air chamber head, the size of described air chamber afterbody is little compared with the size of described air chamber head, and the first air chamber described in each and the second air chamber all progressively increase from described air chamber afterbody to described air chamber head sizes, described air chamber afterbody connects the admission port of gas generator.
As a further improvement on the present invention, described next door is S-shaped.
As a further improvement on the present invention, described airbag is rounded after deployment, and the two ends line in described next door forms the diameter of this circular airbag.
As a further improvement on the present invention, described airbag is rounded after deployment, and described first air chamber and the second air chamber are centrosymmetric structure.
As a further improvement on the present invention, described air chamber head offers deflation hole.
As a further improvement on the present invention, the impingement position of the corresponding occupant's head of described first air chamber, the impingement position of the corresponding occupant's chest of described second air chamber, described first air chamber is different from the rigidity after the second chamber inflated.
As a further improvement on the present invention, the model of described two gas generators is different.
As a further improvement on the present invention, the time of ignition of described two gas generators is different.
The invention has the beneficial effects as follows, safety air bag by airbag being divided into two air chambers, and arranging two gas generators and inflates respectively two air chambers, thus can improve the charge efficiency of airbag, shortens airbag and launches the required time completely; And; two gas generators can adopt different time of ignitions and inflation pressure; and the inflation direction of gas is guided by airbag; inflation direction is changed into horizontal aeration towards occupant by original; while shortening inflationtime; control the stiffness characteristics of air bag different parts more neatly, more effectively protect occupant's head, neck and chest injury-free.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of specification sheets, and can become apparent to allow above and other object of the present invention, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is the front elevational schematic after embodiment of the present invention air-bag deployment.
Detailed description of the invention
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to the specific embodiment of the present invention, structure, feature and effect thereof, be described in detail as follows.
Aforementioned and other technology contents, Characteristic for the present invention, can know and present in the detailed description of following cooperation with reference to graphic preferred embodiment.By the explanation of detailed description of the invention, when can to the present invention for the technological means reaching predetermined object and take and effect be able to more deeply and concrete understanding, however institute's accompanying drawings be only to provide with reference to and the use of explanation, be not used for being limited the present invention.
Refer to Fig. 1, safety air bag 100 in the embodiment of the present invention comprises an airbag 10 and two gas generators 20, described airbag 10 is divided into the first air chamber 11 and the second air chamber 13, two gas generators 20 respectively in order to inflate to the first air chamber 11 and the second air chamber 13 accordingly by a next door 12.
In the present embodiment, described airbag 10 is rounded after deployment.Described next door 12 is S-shaped, and the two ends in next door 12 are connected to form the diameter of this circular airbag 10, makes the planar view of this airbag 10 be Eight Diagrams shapes.First air chamber 11 is identical with the second air chamber 13 shape, and the first air chamber 11 and the second air chamber 13 are centrosymmetric structure.Each first air chamber 11 and the second air chamber 13 comprise air chamber afterbody 14 and air chamber head 15, and the size of air chamber afterbody 14 is little compared with the size of air chamber head 15, progressively increase from air chamber afterbody 14 to air chamber head 15 size.Air chamber afterbody 14 is connected with the admission port 22 of gas generator 20.Air chamber head 15 offers deflation hole 152.Described airbag 10 can be arranged in such as vehicle steering, as the safety air bag in vehicle steering.
Above-mentioned safety air bag 100 adopts two gas generators 20, and is divided into two parts to inflate respectively airbag 10 by next door 12, can improve the charge efficiency of airbag 10, shortens airbag 10 and launches the required time completely.Further, by selecting the gas generator 20 of different model to inflate the stiffness characteristics controlling the first air chamber 11 and the second air chamber 13 respectively, the impact of the corresponding occupant's head of the rigidity as the first air chamber 11, guarantees that the first air chamber 11 can not puncture by occupant's head; The impact of the corresponding occupant's chest of the rigidity of the second air chamber 13, guarantees that the second air chamber 13 can not puncture by occupant's chest, so makes the rigidity of the first air chamber 11 and the second air chamber 13 can be low as much as possible when not puncturing, and reduces shock impulse force.In addition, connect gas generator 20 by the air chamber afterbody 14 less in size, when making to inflate, air-flow principal direction (as shown by arrows in FIG.) is different towards the impact direction of bearing circle from occupant, and airbag initiation process so can be avoided the impact of occupant.In addition, by deflation hole 152 being separately positioned on the first air chamber 11 and the larger-size air chamber head 15 of the second air chamber 13, the conservative control of airbag 10 rigidity can being realized, airbag 10 is mated more flexible; In addition, two gas generators 20 can time of ignition different, by adopting different time of ignitions, more reasonably can control the rigidity of each air chamber, reducing the danger of airbag 10 itself.
In sum; safety air bag passes through the small-sized gas generator of employing two; different time of ignitions and inflation pressure can be adopted; and the inflation direction of gas is guided by airbag; inflation direction is changed into horizontal aeration towards occupant by original; while shortening inflationtime, control the stiffness characteristics of air bag different parts more neatly, thus more effectively protect occupant's head, neck and chest injury-free.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solution of the present invention content, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (8)
1. a safety air bag, it is characterized in that: comprise an airbag (10) and two gas generators (20), described airbag (10) is divided into the first air chamber (11) and the second air chamber (13) by a next door (12), and described two gas generators (20) are respectively in order to inflate to described first air chamber (11) and described second air chamber (13) accordingly; Described first air chamber (11) and the second air chamber (13) include air chamber afterbody (14) and air chamber head (15), the size of described air chamber afterbody (14) is little compared with the size of described air chamber head (15), and described first air chamber (11) and the second air chamber (13) all progressively increase from described air chamber afterbody (14) to described air chamber head (15) size, described air chamber afterbody (14) connects the admission port (22) of gas generator (20).
2. safety air bag as claimed in claim 1, is characterized in that: described next door (12) are S-shaped.
3. safety air bag as claimed in claim 2, it is characterized in that: described airbag (10) is rounded after deployment, the two ends line of described next door (12) forms the diameter of this circular airbag.
4. safety air bag as claimed in claim 1, is characterized in that: described airbag (10) is rounded after deployment, and described first air chamber (11) and the second air chamber (13) are centrosymmetric structure.
5. safety air bag as claimed in claim 1, is characterized in that: described air chamber head (15) offers deflation hole (152).
6. the safety air bag as described in any one of claim 1 to 5, it is characterized in that: the impingement position of the corresponding occupant's head of described first air chamber (11), the impingement position of the corresponding occupant's chest of described second air chamber (13), described first air chamber (11) inflate from the second air chamber (13) after rigidity different.
7. the safety air bag as described in any one of claim 1 to 5, is characterized in that: the model of described two gas generators (20) is different.
8. the safety air bag as described in any one of claim 1 to 5, is characterized in that: the time of ignition of described two gas generators (20) is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210437174.5A CN102975682B (en) | 2012-11-05 | 2012-11-05 | Safety air bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210437174.5A CN102975682B (en) | 2012-11-05 | 2012-11-05 | Safety air bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102975682A CN102975682A (en) | 2013-03-20 |
| CN102975682B true CN102975682B (en) | 2015-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210437174.5A Active CN102975682B (en) | 2012-11-05 | 2012-11-05 | Safety air bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102975682B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9623831B1 (en) | 2015-10-30 | 2017-04-18 | Ford Global Technologies, Llc | Three-chamber frontal impact airbag with controlled pressure differentials |
| US9663060B1 (en) | 2016-04-15 | 2017-05-30 | Ford Global Technologies, Llc | Multi-chambered airbag with controlled pressure differentials |
| US9676362B1 (en) | 2016-04-15 | 2017-06-13 | Ford Global Technologies, Llc | Multi-chambered airbag with controlled pressure differentials |
| US9676363B1 (en) | 2016-04-15 | 2017-06-13 | Ford Global Technologies, Llc | Multi-chambered airbag with controlled pressure differentials |
| CN107933485A (en) * | 2017-11-27 | 2018-04-20 | 绩溪县徽洋车桥有限责任公司 | A kind of air bag |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1440895A (en) * | 2002-02-25 | 2003-09-10 | 高田株式会社 | Air bag device |
| US6702320B1 (en) * | 1999-08-16 | 2004-03-09 | Autoliv Development Ab | Motor vehicle air bag system with a cable-type gas generator |
| CN1651285A (en) * | 2004-02-06 | 2005-08-10 | 高田株式会社 | Airbag apparatus |
| CN1830704A (en) * | 2005-03-11 | 2006-09-13 | 上海惠太汽车安全气袋制造有限公司 | Automobile safety air bag and its manufacturing method |
| WO2007134729A1 (en) * | 2006-05-18 | 2007-11-29 | Autoliv Development Ab | Airbag unit |
| CN101456401A (en) * | 2007-12-13 | 2009-06-17 | 起亚自动车株式会社 | Airbag cushion with multiple chambers |
| CN202413694U (en) * | 2011-12-16 | 2012-09-05 | 浙江吉利汽车研究院有限公司 | Double-air-bag passenger air bag |
-
2012
- 2012-11-05 CN CN201210437174.5A patent/CN102975682B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6702320B1 (en) * | 1999-08-16 | 2004-03-09 | Autoliv Development Ab | Motor vehicle air bag system with a cable-type gas generator |
| CN1440895A (en) * | 2002-02-25 | 2003-09-10 | 高田株式会社 | Air bag device |
| CN1651285A (en) * | 2004-02-06 | 2005-08-10 | 高田株式会社 | Airbag apparatus |
| CN1830704A (en) * | 2005-03-11 | 2006-09-13 | 上海惠太汽车安全气袋制造有限公司 | Automobile safety air bag and its manufacturing method |
| WO2007134729A1 (en) * | 2006-05-18 | 2007-11-29 | Autoliv Development Ab | Airbag unit |
| CN101456401A (en) * | 2007-12-13 | 2009-06-17 | 起亚自动车株式会社 | Airbag cushion with multiple chambers |
| CN202413694U (en) * | 2011-12-16 | 2012-09-05 | 浙江吉利汽车研究院有限公司 | Double-air-bag passenger air bag |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102975682A (en) | 2013-03-20 |
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Effective date of registration: 20190404 Address after: 317000 east gate of Taizhou City, Zhejiang Province Co-patentee after: Zhejiang Geely Holding Group Co., Ltd. Patentee after: Zhejiang Geely Automobile Research Institute Co., Ltd. Address before: 311228 No. 206 Farmer's Second House in Linjiang Industrial Park, Xiaoshan District, Hangzhou City, Zhejiang Province Co-patentee before: Zhejiang Geely Automobile Research Institute Co., Ltd. Patentee before: Hangzhou Branch, Zhejiang Geely Automobile Research Institute Co., Ltd. Co-patentee before: Zhejiang Geely Holding Group Co., Ltd. |