CN103419739A - Metal air bag door system - Google Patents
Metal air bag door system Download PDFInfo
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- CN103419739A CN103419739A CN2013100418520A CN201310041852A CN103419739A CN 103419739 A CN103419739 A CN 103419739A CN 2013100418520 A CN2013100418520 A CN 2013100418520A CN 201310041852 A CN201310041852 A CN 201310041852A CN 103419739 A CN103419739 A CN 103419739A
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- air bag
- metal bellows
- bellows door
- door system
- hinge
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Abstract
The invention provides an air bag door structure which covers an opening of a supplementary restraint system module of the passenger side of an instrument board. A metal air bag door system comprises an air bag door body and a hinge portion connected onto one side of the air bag door body. A weakening structure for absorbing compression energy produced during expansion of an air bag is arranged on the air bag door body, and a strengthening structure for improving the hinge strength is arranged on the hinge portion. The metal air bag door structure has a small turnover radius, so that the metal air bag door system can be prevented from colliding with an automobile front windshield; moreover, the structure also has a small turnover angle and low turnover speed, so that even if the metal air bag door system collides with the automobile front windshield, impact force on the automobile front windshield can be reduced, and hurts to passengers caused by cracking of the front windshield are finally avoided.
Description
Technical field
The present invention relates to a kind of Automobile instrument airbag door, relate in particular to a kind of metal bellows door and system.
Background technology
For foamed instrument panel, metal bellows door system commonly used comprises metal bellows door and instrument carrier panel lid two parts, and both pre-connections form a complete metal bellows door system.Wherein, the line of weakness arranged on the instrument carrier panel lid is generally U-shaped, and the material of metal bellows door generally adopts metallic material.
The moment that occupant-side safety airbag is opened in triggering, the metal bellows door system can rotate and open rapidly under the effect of safety airbag pressure.Therefore generally the upset position of metal bellows door system is designed to the metal hinge structure.As shown in Figure 6, the metal hinge structure of prior art generally only adopts the simple chain form, and this hinge arrangement 33' is single-layer metal, open rectangular opening, its intensity a little less than, and because metal hinge design need to be considered the release of foam squeese pressure, so the general design of hinge is longer.And when the rotation of metal bellows door system is opened, under certain speed and impulsive force, this metal hinge structure 33' can be by fully stretching, thereby make the upset radius of metal bellows door system larger, in the situation that the air bag arrangement space is certain, metal bellows door system after may causing opening fully can be collided with the front windshield of automobile, causes glass breakage, and then causes the injury to the occupant.
Therefore, be necessary to design the higher safety air bag door system of a kind of safety.
Summary of the invention
The deficiency existed for above-mentioned prior art, the invention provides a kind of metal bellows door, to reduce upset radius, reversal rate and the flip angle of metal bellows door system.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of metal bellows door, cover the opening part of the air bag module of instrument carrier panel occupant side, the hinge part that it comprises the air bag doors body and is connected to described air bag doors body one side, wherein,
Described air bag doors body is provided with the weakening structure of the compression energy produced when absorbing airbag deployment;
Described hinge part is provided with for increasing the reinforcement structure of hinge strength.
Further, described weakening structure is for weakening groove.
Further, described reduction groove comprises that a plurality of described sides along described air bag doors body extend the hole arranged.
Aforementioned a kind of metal bellows door, described reinforcement structure is the hinge reinforcement.
Further, the overlapping and weld together or integrally formed with described hinge part of described hinge reinforcement and described hinge part.
Further, described hinge part and described hinge reinforcement all take the shape of the letter U.
The present invention also provides a kind of metal bellows door system, and described metal bellows door system comprises the instrument carrier panel lid and is arranged on described instrument carrier panel lid bottom surface, metal bellows door according to claim 1.
Further, described instrument carrier panel lid is provided with line of weakness.
Aforementioned a kind of metal bellows door system, described instrument carrier panel lid comprises epidermis, froth bed and the skeleton connected successively from top to bottom.
Further, described air bag doors body is fixedly connected on the bottom surface of described skeleton, and described hinge part separates with described skeleton.
In sum, metal bellows door of the present invention is owing to having adopted weakening structure, so can reduce the extrusion shearing power of metal bellows door to the instrument carrier panel lid in the expansion process of safety air bag, thereby reduce the length of run of metal hinge section,, reduce the upset radius of metal bellows door system, finally reach the purpose of avoiding metal bellows door system and shield glass to collide; Simultaneously, metal bellows door of the present invention has also adopted the reinforcement structure, can reduce the reversal rate of metal bellows door system, so even the metal bellows door system has a small amount of the contact with shield glass, less reversal rate also can be alleviated the impulsive force of metal bellows door system to Windshield, finally avoids Windshield to break the occupant is damaged.
The accompanying drawing explanation
Reference is following, and as the accompanying drawing shown in exemplary embodiments of the present invention, the present invention will be easier to understand, but should not be understood as the restriction to protection scope of the present invention.
Fig. 1 is the longitudinal stereoscopic figure of metal bellows door system of the present invention;
Fig. 2 is the enlarged diagram in hinge part of the present invention and weakening structure zone;
Fig. 3 is the structural representation of metal bellows door of the present invention;
Fig. 4 is the expansion initial stage schematic diagram of metal bellows door system of the present invention;
Fig. 5 is the expansion later stage schematic diagram of metal bellows door system of the present invention;
Fig. 6 is the block diagram of the simple chain metal bellows door system of prior art;
Fig. 7 is the expansion later stage schematic diagram of the simple chain metal bellows door system of prior art.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention will be further described, makes it to understand better function, the characteristics of this patent.
Referring to Fig. 1 to 3, the metal bellows door system of the present embodiment covers air bag opening 10 places of instrument carrier panel occupant-side safety airbag module 1, comprises instrument carrier panel lid 2 and metal bellows door 3.
Instrument carrier panel lid 2 comprises epidermis 21, froth bed 22 and the skeleton 23 connected successively from top to bottom, and this instrument carrier panel lid 2 is provided with metal bellows door line of weakness.
Above-mentioned side extension along air bag doors body 31 is provided with weakening structure, the compression energy produced during with the absorption airbag deployment.In the present embodiment, this weakening structure is depicted as and weakens groove 311.As shown in Figure 3, this reduction groove 311 consists of the rectangular opening of a plurality of above-mentioned side settings along the air bag doors body.Obviously, when air bag module 1 triggers, this reduction groove 311 also can play hinge effect, specifically, weakening groove 311 at the airbag deployment initial stage deforms, thereby make instrument carrier panel lid 2 heave the formation part from these reduction groove 311 parts and heave zone 24, the Partial shrinkage energy during with the absorption airbag deployment, froth bed 22 applied, so just reduced the extrusion shearing power of froth bed 22, thereby make the hinge part 32 can not be fully stretching, , reduced the length of run of hinge part 32, be equivalent to reduce the upset radius of metal bellows door system, finally reach the purpose of avoiding metal bellows door system and shield glass 8 to collide.
Wherein, weakening structure, except the rectangular opening that adopts this example to provide, can also adopt other various forms, for example, adopts the mode of local thickness's attenuate or adopts hole of other shape etc.
In addition, metal bellows door 3 also has the reinforcement structure for increasing the intensity of hinge part 32.In the present embodiment, this reinforcement structure is depicted as the hinge reinforcement 321 of and weld together overlapping with hinge part 32, and this hinge part 32 and hinge reinforcement 321 all are bent into U-shaped.This hinge reinforcement 321 has increased the hinge strength of hinge part 32, thereby has reduced reversal rate and the flip angle of metal bellows door system.Therefore, even the metal bellows door system contacts with shield glass 8, also can reduce its impulsive force to Windshield 8, prevent from that Windshield 8 from breaking the occupant is damaged.
Wherein, strengthen structure except the hinge reinforcement 321 that adopts this example to provide, can also adopt other various forms, for example by the metal forming mode, hinge part 32 is made with difform reinforcement structure, perhaps make hinge part 32 adopt different materials to be combined into the reinforcement structure, or wait the secondary operation that a plurality of parts are combined together to form and strengthen structure etc. by welding.
The principle of work of metal bellows door system of the present invention is as follows: when air bag module 1 triggers, under the effect of exerting oneself of the high-pressure jack of air bag, the metal bellows door system flicks over as fulcrum by the line of weakness on instrument carrier panel lid 2, the hinge part 32 of take, thereby provides space for the expansion of air bag module 1.Specifically, at first, as shown in Figure 4, under the effect of exerting oneself of the high-pressure jack of air bag, metal bellows door 3 is weakening groove 311 places distortion, makes instrument carrier panel lid 2 form part and heaves zone 7; Then, as shown in Figure 5, metal bellows door 3 and instrument carrier panel lid 2 are opened around hinge part 32 upsets, and wherein, the upset radius is depicted as A.
Fig. 6 shows the metal bellows door system of prior art, the single-layer metal hinge 32' that it comprises airbag body 3' and is connected in airbag body 3' mono-side, owing to arranging on airbag body 3' on weakening structure and single-layer metal hinge 32', the reinforcement structure is not set, so when air bag triggers, its mode of operation as shown in Figure 7, single-layer metal hinge 32' is by fully stretching, cause the upset radius B of this metal bellows door system more much bigger than the upset Radius A of metal bellows door system of the present invention, reversal rate and flip angle are also much bigger simultaneously.Therefore, the impaired probability of Windshield 8 increases greatly, easily causes occupant injury.
Metal bellows door system for the prior art shown in the metal bellows door system of the present invention shown in Fig. 3 and Fig. 6 has been done the contrast experiment, comparative analysis from explosion video recording and static tensile force test results, the present invention is due to the weakening structure of the Partial shrinkage energy that has adopted absorbent foam layers, so in the opening procedure of metal bellows door system, can reduce the length of run of hinge part 32, thereby reduce the upset radius of metal bellows door system; Simultaneously, by the reinforcement structure design to hinge part 32, increased the hinge strength of hinge part 32, thereby the reversal rate of metal bellows door system and flip angle are reduced, even the metal bellows door system has certain contacting with shield glass 8, also can reduce the impulsive force to front windshield 8, prevent from that Windshield 8 from breaking the occupant is damaged.
Above-described embodiment is used for illustrative purposes only; and be not limitation of the present invention; the common operating personnel in relevant technologies field; without departing from the present invention; can also make a variety of changes and be out of shape; therefore all technical schemes that are equal to also should belong to category of the present invention, and scope of patent protection of the present invention should be limited by each claim.
Claims (10)
1. a metal bellows door, cover the opening part of the air bag module of instrument carrier panel occupant side, and the hinge part that it comprises the air bag doors body and is connected to described air bag doors body one side, is characterized in that,
Described air bag doors body is provided with the weakening structure of the compression energy produced when absorbing airbag deployment;
Described hinge part is provided with for increasing the reinforcement structure of hinge strength.
2. metal bellows door according to claim 1, is characterized in that, described weakening structure is for weakening groove.
3. metal bellows door according to claim 2, is characterized in that, described reduction groove comprises that a plurality of described sides along described air bag doors body extend the hole arranged.
4. metal bellows door according to claim 1, is characterized in that, described reinforcement structure is the hinge reinforcement.
5. metal bellows door according to claim 4, is characterized in that, the overlapping and weld together or integrally formed with described hinge part of described hinge reinforcement and described hinge part.
6. according to the described metal bellows door of claim 4 or 5, it is characterized in that, described hinge part and described hinge reinforcement all take the shape of the letter U.
7. a metal bellows door system, is characterized in that, described metal bellows door system comprise the instrument carrier panel lid and be arranged on described instrument carrier panel lid bottom surface, according to the described metal bellows door of any one in claim 1-5.
8. metal bellows door system according to claim 7, is characterized in that, described instrument carrier panel lid is provided with line of weakness.
9. according to the described metal bellows door system of claim 7 or 8, it is characterized in that, described instrument carrier panel lid comprises epidermis, froth bed and the skeleton connected successively from top to bottom.
10. metal bellows door system according to claim 9, is characterized in that, described air bag doors body is fixedly connected on the bottom surface of described skeleton, and described hinge part separates with described skeleton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310041852.0A CN103419739B (en) | 2013-02-01 | 2013-02-01 | A kind of metal air bag door system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310041852.0A CN103419739B (en) | 2013-02-01 | 2013-02-01 | A kind of metal air bag door system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103419739A true CN103419739A (en) | 2013-12-04 |
| CN103419739B CN103419739B (en) | 2016-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310041852.0A Expired - Fee Related CN103419739B (en) | 2013-02-01 | 2013-02-01 | A kind of metal air bag door system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103693003A (en) * | 2014-01-08 | 2014-04-02 | 奇瑞汽车股份有限公司 | Front passenger side safety airbag door and vehicle comprising same |
| CN106043203A (en) * | 2016-07-29 | 2016-10-26 | 芜湖新泉汽车饰件系统有限公司 | Dashboard gasbag weakening structure |
| CN107406053A (en) * | 2015-03-09 | 2017-11-28 | 卡森尼可关精株式会社 | Vehicular airbag device |
| CN107963049A (en) * | 2017-11-30 | 2018-04-27 | 上汽大众汽车有限公司 | Airbag door assembly and instrument panel assembly |
| CN108622007A (en) * | 2017-03-22 | 2018-10-09 | 福特全球技术公司 | Limit opening door hinge for motor vehicle safety air bag chute |
| CN114103862A (en) * | 2020-08-28 | 2022-03-01 | 广州汽车集团股份有限公司 | Automobile escape device and automobile |
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| JP2001277978A (en) * | 2000-01-28 | 2001-10-10 | Sanko Gosei Ltd | Structure of reinforcing plate in air bag device for automobile |
| KR100633138B1 (en) * | 2005-09-27 | 2006-10-11 | 현대모비스 주식회사 | Air-bag door in car |
| CN1986293A (en) * | 2005-12-22 | 2007-06-27 | 马自达汽车股份有限公司 | Instrument dashboard panel structure with passenger airbag unit |
| CN101198491A (en) * | 2005-10-26 | 2008-06-11 | 高田株式会社 | Interior finishing panel assembly and air bag device |
| CN101678812A (en) * | 2007-06-21 | 2010-03-24 | 佩古佛姆有限公司 | Airbag cover |
| KR20100069740A (en) * | 2008-12-17 | 2010-06-25 | 현대모비스 주식회사 | Opening device of air bag |
| CN201646630U (en) * | 2010-03-19 | 2010-11-24 | 延锋伟世通汽车饰件系统有限公司 | Sliding air bag door system |
| CN202029803U (en) * | 2011-04-06 | 2011-11-09 | 浙江吉利汽车研究院有限公司 | Air bag strengthening frame structure for passengers |
| CN102463956A (en) * | 2010-10-29 | 2012-05-23 | 现代自动车株式会社 | Door hinge structure for passenger airbags |
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2013
- 2013-02-01 CN CN201310041852.0A patent/CN103419739B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5238264A (en) * | 1992-02-14 | 1993-08-24 | General Motors Corporation | Deployment door for air bag |
| JPH07291077A (en) * | 1994-04-27 | 1995-11-07 | Ashimori Ind Co Ltd | Air bag device |
| JP2001277978A (en) * | 2000-01-28 | 2001-10-10 | Sanko Gosei Ltd | Structure of reinforcing plate in air bag device for automobile |
| KR100633138B1 (en) * | 2005-09-27 | 2006-10-11 | 현대모비스 주식회사 | Air-bag door in car |
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| CN1986293A (en) * | 2005-12-22 | 2007-06-27 | 马自达汽车股份有限公司 | Instrument dashboard panel structure with passenger airbag unit |
| CN101678812A (en) * | 2007-06-21 | 2010-03-24 | 佩古佛姆有限公司 | Airbag cover |
| KR20100069740A (en) * | 2008-12-17 | 2010-06-25 | 현대모비스 주식회사 | Opening device of air bag |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103693003A (en) * | 2014-01-08 | 2014-04-02 | 奇瑞汽车股份有限公司 | Front passenger side safety airbag door and vehicle comprising same |
| CN103693003B (en) * | 2014-01-08 | 2016-08-17 | 奇瑞汽车股份有限公司 | A kind of front-row occupant side safety airbag door and automobile |
| CN107406053A (en) * | 2015-03-09 | 2017-11-28 | 卡森尼可关精株式会社 | Vehicular airbag device |
| CN106043203A (en) * | 2016-07-29 | 2016-10-26 | 芜湖新泉汽车饰件系统有限公司 | Dashboard gasbag weakening structure |
| CN108622007A (en) * | 2017-03-22 | 2018-10-09 | 福特全球技术公司 | Limit opening door hinge for motor vehicle safety air bag chute |
| CN108622007B (en) * | 2017-03-22 | 2022-04-19 | 福特全球技术公司 | Door-limiting hinge for a motor vehicle airbag chute |
| CN107963049A (en) * | 2017-11-30 | 2018-04-27 | 上汽大众汽车有限公司 | Airbag door assembly and instrument panel assembly |
| CN114103862A (en) * | 2020-08-28 | 2022-03-01 | 广州汽车集团股份有限公司 | Automobile escape device and automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103419739B (en) | 2016-12-28 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 200235 Liuzhou Road, Shanghai, No. 399, No. Applicant after: Yanfeng Automotive Trim Systems Co., Ltd. Address before: 200235 Liuzhou Road, Shanghai, No. 399, No. Applicant before: Yanfeng Weishitong Automobile Ornament System Co., Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: YANFENG WEISHITONG AUTOMOBILE ORNAMENT SYSTEM CO., LTD. TO: YANFENG AUTOMOTIVE TRIM SYSTEMS CO., LTD. |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160830 Address after: 201206 Shanghai City, Pudong New Area Chinese (Shanghai) free trade zone Jufeng Road No. 2166 Applicant after: SHANGHAI YANFENG JINQIAO AUTOMOTIVE TRIM SYSTEMS CO., LTD. Address before: 200235 Liuzhou Road, Shanghai, No. 399, No. Applicant before: Yanfeng Automotive Trim Systems Co., Ltd. |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20210201 |