CN103419739B - A kind of metal air bag door system - Google Patents
A kind of metal air bag door system Download PDFInfo
- Publication number
- CN103419739B CN103419739B CN201310041852.0A CN201310041852A CN103419739B CN 103419739 B CN103419739 B CN 103419739B CN 201310041852 A CN201310041852 A CN 201310041852A CN 103419739 B CN103419739 B CN 103419739B
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- Prior art keywords
- air bag
- hinge
- metal
- door system
- metal air
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Abstract
The present invention provides a kind of airbag door structure, covering is at the opening part of the air bag module of instrument board occupant side, it includes air bag doors body and is connected to the hinge of described air bag doors body one side, wherein, the weakening structure of the compression energy that described air bag doors body produces when being provided with for absorbing airbag deployment；Described hinge is provided with the reinforcement structure for increasing hinge strength.The metal bellows door of the present invention has less upset radius, metal air bag door system can be avoided to collide with shield glass, the most also there is less flip angle and reversal rate, even if metal air bag door system is collided with shield glass, the impulsive force to shield glass can also be reduced, finally avoid front windshield to rupture and occupant is damaged.
Description
Technical field
The present invention relates to a kind of fascia airbag door, particularly relate to a kind of metal bellows door
And system.
Background technology
For foamed instrument panel, conventional metal air bag door system includes metal bellows door and instrument board
Lid two parts, both pre-connections form a complete metal air bag door system.Wherein, dashboard cover
The line of weakness arranged on body is the most U-shaped, and the material of metal bellows door typically uses metal material.
The moment that occupant-side safety airbag is opened in triggering, metal air bag door system can be in safety airbag pressure
Rotate rapidly under the effect of power and open.Therefore typically the upset position of metal air bag door system is designed to gold
Belong to hinge arrangement.As shown in Figure 6, the metal hinge structure of prior art normally only uses simple chain form,
And this hinge arrangement 33' is single-layer metal, opening rectangular opening, its intensity is more weak, and owing to metal hinge sets
Meter needs the release in view of foam extrusion power, and therefore hinge is typically designed longer.And when metal bellows door
System rotates when opening, and under certain speed and impulsive force, this metal hinge structure 33' can be eventually pulled completely
Directly, so that the upset radius of metal air bag door system is relatively big, in the situation that air bag arrangement space is certain
Under, the metal air bag door system after fully opening may be caused to collide with the front windshield of automobile, draw
Play glass to rupture, in turn result in the injury to occupant.
Therefore, it is necessary to a kind of safety higher air bag door system of design.
Summary of the invention
The deficiency existed for above-mentioned prior art, the present invention provides a kind of metal bellows door, to subtract
Upset radius, reversal rate and the flip angle of little metal air bag door system.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of metal bellows door, covers the opening part of air bag module in instrument board occupant side,
It includes air bag doors body and is connected to the hinge of described air bag doors body one side, wherein,
The reduction knot of the compression energy produced when described air bag doors body is provided with for absorbing airbag deployment
Structure；
Described hinge is provided with the reinforcement structure for increasing hinge strength.
Further, described weakening structure is for weakening groove.
Further, described reduction groove includes that multiple described side along described air bag doors body is extended
Hole.
Aforementioned a kind of metal bellows door, described reinforcement structure is hinge reinforcement.
Further, described hinge reinforcement is overlapping with described hinge and welds together or with described
Hinge is integrally formed.
Further, described hinge and described hinge reinforcement all take the shape of the letter U.
The present invention also provides for a kind of metal air bag door system, and described metal air bag door system includes dashboard cover
Body and be arranged on described fascia cover bottom surface, metal bellows door according to claim 1 knot
Structure.
Further, described fascia cover is provided with line of weakness.
Aforementioned a kind of metal air bag door system, described fascia cover includes the table being sequentially connected with from top to bottom
Skin, froth bed and skeleton.
Further, described air bag doors body is fixedly connected on the bottom surface of described skeleton, described hinge with
Described skeleton separates.
In sum, the metal bellows door of the present invention is owing to have employed weakening structure, so in safety
The metal bellows door extrusion shearing power to fascia cover can be reduced during the expansion of air bag, from
And reduce the length of run in metal hinge portion, i.e. reduce the upset radius of metal air bag door system, finally
Reach the purpose avoiding metal air bag door system and shield glass to collide；Meanwhile, the gold of the present invention
Belong to airbag door structure and additionally use reinforcement structure, it is possible to decrease the reversal rate of metal air bag door system, so
Contacting on a small quantity even if metal air bag door system has with shield glass, less reversal rate can also
Alleviate the metal air bag door system impulsive force to windshield, finally avoid windshield to rupture and occupant is made
Become injury.
Accompanying drawing explanation
With reference to following as the accompanying drawing shown in the exemplary embodiments of the present invention, the present invention will be better understood,
But should not be construed as the restriction to protection scope of the present invention.
Fig. 1 is the longitudinal stereoscopic figure of the metal air bag door system of the present invention；
Fig. 2 is hinge and the enlarged diagram in weakening structure region of the present invention；
Fig. 3 is the structural representation of the metal bellows door of the present invention；
Fig. 4 is the expansion initial stage schematic diagram of the metal air bag door system of the present invention；
Fig. 5 is the expansion later stage schematic diagram of the metal air bag door system of the present invention；
Fig. 6 is the axonometric chart of the simple chain metal air bag door system of prior art；
Fig. 7 is the expansion later stage schematic diagram of the simple chain metal air bag door system of prior art.
Detailed description of the invention
The present invention will be further described below in conjunction with the accompanying drawings, makes it to be more fully understood that the merit of this patent
Energy, feature.
Seeing Fig. 1 to 3, the metal air bag door system of the present embodiment covers at instrument board occupant-side safety airbag
At the air bag opening 10 of module 1, including fascia cover 2 and metal bellows door 3.
Fascia cover 2 includes epidermis 21, froth bed 22 and the skeleton 23 being sequentially connected with from top to bottom,
And this fascia cover 2 is provided with metal bellows door line of weakness.
Metal bellows door 3 is for realizing the upset of metal bellows door 3, and it includes that air bag doors is originally
Body 31 and be connected to the hinge 32 of air bag doors body 31 1 side.Wherein, this air bag doors body 31
Being fixedly connected on the bottom surface of skeleton 23, this hinge 32 separates with skeleton 23.
Above-mentioned side along air bag doors body 31 is extended weakening structure, produces during to absorb airbag deployment
Raw compression energy.In the present embodiment, this weakening structure is shown as weakening groove 311.As it is shown on figure 3,
The rectangular opening that this reduction groove 311 is arranged by multiple above-mentioned sides along air bag doors body is constituted.Obviously, when
When air bag module 1 triggers, this reduction groove 311 can also play hinge effect, specifically,
The airbag deployment initial stage weakens groove 311 and deforms, so that fascia cover 2 is at this reduction groove 311
Local is heaved formation local and is heaved region 24, part pressure during to absorb airbag deployment applied froth bed 22
Contracting energy, this reduces the extrusion shearing power of froth bed 22, so that hinge 32 can not be complete
Stretch, i.e. reduce the length of run of hinge 32, be equivalent to reduce turning over of metal air bag door system
Turn radius, be finally reached the purpose avoiding metal air bag door system to collide with shield glass 8.
Wherein, in addition to the rectangular opening that weakening structure provides except using this example, it is also possible to use other each
Kind of form, such as, uses the thinning mode of local thickness or uses other shapes of hole etc..
Additionally, metal bellows door 3 also has the reinforcement structure of the intensity for increasing hinge 32.
In the present embodiment, this reinforcement structure is shown as hinge that is overlapping with hinge 32 and that weld together reinforcement
Part 321, and this hinge 32 and hinge reinforcement 321 be all bent into U-shaped.This hinge reinforcement 321
Increase the hinge strength of hinge 32, thus reduce reversal rate and the upset of metal air bag door system
Angle.Therefore, even if metal air bag door system contacts with shield glass 8, it is also possible to reduce
Its impulsive force to windshield 8, prevents windshield 8 from rupturing and damages occupant.
Wherein, in addition to the hinge reinforcement 321 that reinforcement structure provides except using this example, it is also possible to adopt
Use other various forms, such as, by metal forming mode hinge 32 made and add with difform
Strong structure, or make hinge 32 use different materials to be combined into reinforcement structure, or by welding etc. two
Multiple parts are combined together to form reinforcement structure etc. by secondary operation.
The operation principle of the metal air bag 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, metal air bag door system press the line of weakness on fascia cover 2,
Flick over for fulcrum with hinge 32, thus the expansion for air bag module 1 provides space.Specifically
For, first, as shown in Figure 4, under the high-pressure jack effect of exerting oneself of air bag, metal bellows door 3
Deform at groove 311 weakening so that fascia cover 2 forms local and heaves region 7；Then, such as Fig. 5
Shown in, metal bellows door 3 and fascia cover 2 are opened around hinge 32 upset, wherein, and upset
Radius is shown as A.
Fig. 6 shows the metal air bag door system of prior art, and it includes airbag body 3' and is connected in gas
The single-layer metal hinge 32' of capsule body 3' side, owing to being not provided with weakening structure and monolayer on airbag body 3'
Be not provided with reinforcement structure on metal hinge 32', so when air bag triggers, its duty as it is shown in fig. 7,
Single-layer metal hinge 32' is fully straightened, and causes the upset radius B of this metal air bag door system to compare the present invention
The upset radius A of metal air bag door system much bigger, reversal rate and flip angle also want big simultaneously
A lot.Therefore, the impaired probability of windshield 8 is greatly increased, and easily causes occupant injury.
Metal for the prior art shown in the metal air bag door system of the present invention shown in Fig. 3 and Fig. 6
Air bag door system has made contrast experiment, and the relative analysis from explosion video recording and static tensile force result of the test can
Know, due to the fact that the weakening structure of the Partial shrinkage energy that have employed absorbent foam layers, so at metal
In the opening procedure of air bag door system, the length of run of hinge 32 can be reduced, thus reduce metal gas
The upset radius of capsule door system；Meanwhile, by the reinforcement structure of hinge 32 is designed, hinge is added
The hinge strength in portion 32, so that the reversal rate of metal air bag door system and flip angle reduce, even if
Metal air bag door system has certain contacting with shield glass 8, it is also possible to reduce front windshield glass
The impulsive force of glass 8, prevents windshield 8 from rupturing and damages occupant.
Above-described embodiment is used for illustrative purposes only, and is not limitation of the present invention, relevant technology
The common operating personnel in field, without departing from the present invention, it is also possible to make a variety of changes
And deformation, the technical scheme of the most all equivalents also should belong to scope of the invention, and the patent of the present invention is protected
The scope of protecting should be limited by each claim.
Claims (6)
1. a metal air bag door system, it is characterised in that include fascia cover and be arranged on described
The metal bellows door of fascia cover bottom surface, this metal bellows door covers in instrument board occupant side
The opening part of air bag module, this metal bellows door includes air bag doors body and is connected to institute
State the hinge of air bag doors body one side,
Described fascia cover includes epidermis, froth bed and the skeleton being sequentially connected with from top to bottom；
Described air bag doors body is fixedly connected on the bottom surface of described skeleton；
Part pressure when described air bag doors body is provided with for absorbing airbag deployment, described froth bed applied
Contracting energy is to reduce the weakening structure of the extrusion shearing power of described froth bed, and described weakening structure is along described gas
The described side of capsule door body extends；
Described hinge is provided with the reinforcement structure for increasing hinge strength, and described reinforcement structure is hinge
Reinforcement, described hinge reinforcement overlapping with described hinge and weld together or with described hinge
Integrally formed to reduce the reversal rate of metal air bag door system and flip angle.
Metal air bag door system the most according to claim 1, it is characterised in that described weakening structure
For weakening groove.
Metal air bag door system the most according to claim 2, it is characterised in that described reduction groove bag
Include multiple hole extended along the described side of described air bag doors body.
Metal air bag door system the most according to claim 1, it is characterised in that described hinge and
Described hinge reinforcement all takes the shape of the letter U.
Metal air bag door system the most according to claim 1, it is characterised in that described dashboard cover
Body is provided with line of weakness.
Metal air bag door system the most according to claim 1, it is characterised in that described hinge with
Described skeleton separates.
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 CN103419739A (en) | 2013-12-04 |
| CN103419739B true CN103419739B (en) | 2016-12-28 |
Family
ID=49645268
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 |
Country Status (1)
| Country | Link |
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| CN (1) | CN103419739B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP6439154B2 (en) * | 2015-03-09 | 2018-12-19 | カルソニックカンセイ株式会社 | Airbag device for vehicle |
| 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 |
| US10220807B2 (en) * | 2017-03-22 | 2019-03-05 | Ford Global Technologies, Llc | Restricted-opening door hinge for automotive air bag chute |
| CN107963049B (en) * | 2017-11-30 | 2020-09-18 | 上汽大众汽车有限公司 | Airbag door assembly and instrument panel assembly |
| CN114103862B (en) * | 2020-08-28 | 2023-08-04 | 广州汽车集团股份有限公司 | Automobile escape device and automobile |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5238264A (en) * | 1992-02-14 | 1993-08-24 | General Motors Corporation | Deployment door for air bag |
| JP3356876B2 (en) * | 1994-04-27 | 2002-12-16 | 芦森工業株式会社 | Airbag device |
| JP3723044B2 (en) * | 2000-01-28 | 2005-12-07 | 三光合成株式会社 | Structure of reinforcing plate in automotive airbag device |
| KR100633138B1 (en) * | 2005-09-27 | 2006-10-11 | 현대모비스 주식회사 | Air-bag door in car |
| JP2007118688A (en) * | 2005-10-26 | 2007-05-17 | Takata Corp | Interior panel assembly and airbag device |
| JP4670629B2 (en) * | 2005-12-22 | 2011-04-13 | マツダ株式会社 | Instrument panel structure with airbag unit |
| DE502007004487D1 (en) * | 2007-06-21 | 2010-09-02 | Peguform Gmbh | 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 |
| KR101230829B1 (en) * | 2010-10-29 | 2013-02-07 | 현대자동차주식회사 | Structure for door hinge of passenger air bag |
| 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 |
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2013
- 2013-02-01 CN CN201310041852.0A patent/CN103419739B/en not_active Expired - Fee Related
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| CN103419739A (en) | 2013-12-04 |
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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 for 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 | ||
| GR01 | Patent grant | ||
| 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 |