CN103569022B - The method for folding of airbag cushion - Google Patents
The method for folding of airbag cushion Download PDFInfo
- Publication number
- CN103569022B CN103569022B CN201310287947.0A CN201310287947A CN103569022B CN 103569022 B CN103569022 B CN 103569022B CN 201310287947 A CN201310287947 A CN 201310287947A CN 103569022 B CN103569022 B CN 103569022B
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- China
- Prior art keywords
- folding
- airbag cushion
- tucked
- stage
- retainer
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/237—Inflatable members characterised by the way they are folded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/205—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in dashboards
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
The invention relates to the method for folding of airbag cushion, be take retainer as benchmark, the size forming bottom is bigger than the size on top. The present invention, about at airbag cushion upon deployment, by the method for folding damaging minimized airbag cushion with windshield glass that sinks, comprising: the 1st stage, and described bottom has at least been tucked in upside and folded more than once, forms bottom and has tucked in portion; In 2nd stage, at least being folded more than once to downside on described top, portion of having been tucked in described bottom at least folds more than once to upside; And the 3rd stage, the front side making described folding top and the described folding bottom portion of having tucked in overlap retainer folds.
Description
Technical field
The invention relates to airbag cushion method for folding, more specifically, it is about the method for folding improving the airbag cushion launching security.
Background technology
Generally speaking, the airbag equipment of vehicle, it arranges object and is, is arranged at driver's seat or front passenger's seat front, the airbag cushion instantaneous expansion when vehicle collides, and protects officer and the life of passenger and the safety of health simultaneously.
Air bag for vehicle is divided into, and for the air bag (DriverAir-Bag) of officer, is arranged on the officer of bearing circle protection at driver's seat; Airbag (PassengerAir-Bag), is arranged on the dashboard before passenger, protects the passenger at front passenger's seat. Air bag for officer is indispensable item, and airbag selects item, but recently in order to protect with the person of taking advantage of, the vehicle that passenger airbag becomes indispensable item increases.
The formation of the passenger air bag apparatus of vehicle comprises: air bag shell, is arranged on dashboard; Inflator, is arranged on described air bag enclosure, when vehicle collides, gas is sprayed; Airbag cushion, is accommodated in described air bag shell, launches to passenger front according to the gas of described inflator; Retainer, is arranged on described air bag shell, supports described airbag cushion, is formed and makes the gas of described inflator be released to described airbag cushion.
Airbag equipment is in order to improve the expansion security of airbag cushion, it is necessary to up/down is launched simultaneously. But when up/down is launched simultaneously, owing to windshield glass and amount of interference increase, there is the problem that the possibility of windshield broken is high.
Summary of the invention
(technical problem to be solved)
The present invention provides airbag folding patterns, and the problem that solve is, the expansion security of airbag cushion is improved, and prevents the breakage of the windshield glass when launching airbag cushion.
The problem of the present invention is not restricted to the problem referred to above, it does not have refer to or other problems, from following record, clearly can be understood by practitioner.
(means dealt with problems)
For reaching described problem, according to the method for folding of airbag cushion, taking retainer as benchmark, the size forming bottom is bigger than the size on top. According to the method for folding of the airbag cushion of embodiments of the invention, comprising: the 1st stage, the bottom of airbag cushion has at least been tucked in (tuckin) folding once to upside, form bottom and tucked in portion (tuckinpart); In 2nd stage, the top of described airbag cushion at least folds once to downside, and described bottom has been tucked in portion and at least folded once to upside; And the 3rd stage, the front side making the top of described folding airbag cushion and the described folding bottom portion of having tucked in overlap retainer folds.
The details of other embodiments are included in and illustrate in detail and figure face.
(effect of invention)
According to the method for folding of the airbag cushion of the present invention, there is one or more following effect.
The first, there is the advantage that can improve the peace airbag cushion property launched.
2nd, when airbag cushion launches, there is the advantage of the breakage being possible to prevent windshield glass.
The effect of the present invention is not limited in the effect referred to above, it does not have refer to or other effects, and practitioner can clearly understand in the record of Accessory Right claimed range.
Accompanying drawing explanation
Fig. 1 is according to one embodiment of the invention, the figure face of display airbag cushion orthographic plan.
Fig. 2 is according to one embodiment of the invention, is displayed in the cross-sectional side view that airbag cushion apperance installed by automobile.
Fig. 3 a is according to one embodiment of the invention, the orthographic plan in the 1st stage in the method for folding of display airbag cushion.
Fig. 3 b is according to one embodiment of the invention, the orthographic plan in the 2nd stage in the method for folding of display airbag cushion.
Fig. 3 c is according to one embodiment of the invention, the orthographic plan in the 3rd stage in the method for folding of display airbag cushion.
Fig. 3 d is according to one embodiment of the invention, the orthographic plan in the 4th stage in the method for folding of display airbag cushion.
Fig. 4 a is according to one embodiment of the invention, the cross-sectional side view in the 1st stage in the method for folding of display airbag cushion.
Fig. 4 b is according to one embodiment of the invention, the cross-sectional side view in the 2nd stage in the method for folding of display airbag cushion.
Fig. 4 c is according to one embodiment of the invention, the cross-sectional side view in the 3rd stage in the method for folding of display airbag cushion.
Fig. 5 is according to one embodiment of the invention, the figure face of the expansion process of display air bag.
(description of reference numerals)
Embodiment
The embodiment chatted after reference together with additional figure face, the advantage of the clear and definite the present invention of meeting and feature, the method reached in addition. But, the present invention is not limited to the embodiment in following discloses, but can realize with mutually different various forms, just the present embodiment openly can be complete in order to what make the present invention, in order to complete the informing of the category by invention, the staff having usual knowledge in each technical field that the present invention belongs to is provided, and the present invention is only defined according to the category of claim. It is known as identical integrant at the identical reference notation through overall manual.
Hereinafter, being referenced as the figure face of the method for folding that the airbag cushion 100 according to the embodiment of the present invention is described, the present invention will be described.
Fig. 1 is according to one embodiment of the invention, the figure face of the orthographic plan of display airbag cushion.Fig. 2 is according to one embodiment of the invention, is displayed in the cross-sectional side view that the apperance of airbag cushion installed by automobile.
With reference to Fig. 1 and Fig. 2, according to the airbag cushion 100 of one embodiment of the invention, taking inflator 200 is installed retainer 130 as benchmark, the size forming bottom 120 is bigger than the size on top 110.
It is slight greatly that the size on the top 110 of air bag 100 is formed than bottom 120. To this, the top 110 of airbag cushion 100 upon deployment, makes the smaller volume on top 110, and applying can be made to reduce in the dynamics of windshield glass 500. Thus, even if airbag cushion 100 launches, the damage of windshield glass 500 also can not be there is.
In addition, the bigger formation in bottom 120 of airbag cushion 100, airbag cushion 100 upon deployment, owing to producing in bottom 120, therefore can protect the knee of passenger. (K)
Inflator 200 is the device as the gas releasing high temperature, high pressure, when vehicle collides by retainer 130, at airbag cushion 100 filling gas, airbag cushion 100 is launched to passenger.
The top 110 of airbag cushion 100 upon deployment, can contact with windshield glass 500, and bottom 120 upon deployment, can contact protection passenger with passenger.
Airbag cushion 100 forms venting hole 141 respectively, and the gas in the airbag cushion of left and right sides face 140 fillings is outwards released.
It is protruding that retainer 130 possesses the combination that inflator 200 is installed, and forms the ostium that gas is flowed into.
Airbag cushion 100 launches directly to contact with passenger to passenger. Thus, airbag cushion 100 is configured to the best by fabric (fabric) material of softness. Airbag cushion 100 according to will after the method for folding chatted, be accommodated in the air bag shell 300 of air bag module 10.
The air bag module 10 possessing airbag cushion 100 is configured in front passenger's seat side, is generally configured on the upside of the packaging tray of common vehicle. Air bag module 10 is hidden by dashboard 400 for not making passenger see. But, airbag cushion 100 upon deployment, launches to passenger while airbag cushion 100 is open by dashboard 400.
According to one embodiment of the invention of the formation identical with this, the method for folding of airbag cushion 100 is arranged and is described as follows.
Fig. 3 a is according to one embodiment of the invention, the orthographic plan in the 1st stage in the method for folding of display airbag cushion. Fig. 3 b is according to one embodiment of the invention, the orthographic plan in the 2nd stage in the method for folding of display airbag cushion. Fig. 3 c is according to one embodiment of the invention, the orthographic plan in the 3rd stage in the method for folding of display airbag cushion. Fig. 3 d is according to one embodiment of the invention, the orthographic plan in the 4th stage in the method for folding of display airbag cushion.
Fig. 4 a is according to one embodiment of the invention, the cross-sectional side view in the 1st stage in the method for folding of display airbag cushion. Fig. 4 b is according to one embodiment of the invention, the cross-sectional side view in the 2nd stage in the method for folding of display airbag cushion. Fig. 4 c is according to one embodiment of the invention, the cross-sectional side view in the 3rd stage in the method for folding of display airbag cushion.
With reference to Fig. 3 a and Fig. 4 c, it is made up of 4 stages according to the method for folding of the airbag cushion 100 of one embodiment of the invention.
In 1st stage, taking retainer 130 as benchmark, the bottom 120 of the airbag cushion 100 that the size of bottom 120 is bigger than the size on top 110 at least folds once to upside so that it is forms bottom and has tucked in portion 121 (tuckinpart).
In addition, the top 110 of airbag cushion 100 has at least been tucked in downside and has been folded once, also can form top and tuck in portion, likely can not form top on the top 110 of air bag 100 and tuck in portion, but even if can not be formed top tucked in portion or formed be minimised as the best.
Tuck in that (tuckin) is folding is, end has been folded the method for folding filled in inboard. At the present embodiment, tucked in folded airbag pad 100 bottom 120 end formed bottom tucked in portion 121 so that it is before the airbag cushion 100 that folding part is launched to passenger with below between relative.
2nd stage, the top 110 of airbag cushion 100 at least folds once to downside, bottom has been tucked in portion 121 and has at least been folded once to upside, fold once to downside on the top 110 of the present embodiment airbag cushion 100, and bottom tucked in portion 121 to upside folding once, but in other embodiments of the invention, the folding times that portion 121 has been tucked on top 110 from bottom can be different.
The width up and down (B) on folding top 110 so that it is formed bigger than the 1/2 of retainer about 130 width (A). Thus, it is overlapping when folding that the top 110 making to fold as described later has tucked in 121 with folding bottom, it is possible to space minimumization of airbag cushion 100 is folded. Just, the width up and down (B) on folding top 110, can not make it be formed bigger than the width up and down (A) of retainer 130.
The width up and down (C) in portion 121 has been tucked in folding bottom so that it is formed bigger than the 1/2 of the width up and down (A) of retainer 130. As described later, when the top 110 making to fold has tucked in folding bottom that portion 121 is overlapping to be folded, it is possible to space minimumization of airbag cushion 100 is folded. Just, the width up and down (C) in portion 121 has been tucked in folding bottom, it can not be made to be formed bigger than the width up and down (A) of inflator 130.
In 3rd stage, the top 110 of the airbag cushion 100 folded and folding bottom have been tucked in, and front side that portion 121 overlaps retainer 130 folds. The overlapping width up and down (D) partly in portion 121 has been tucked on folding top 110 with folding bottom, and formation makes it bigger than the 1/2 of the width up and down (A) of retainer 130. Preferably, the width up and down of the airbag cushion 100 making to have folded is identical with the width up and down of retainer 130.
The front side that portion 121 is configured in the top 110 of folding airbag cushion 100 has been tucked in folding bottom, and then when airbag cushion 100 launches, first bottom 120 end of airbag cushion 100 is contacted with windshield glass 500. At this moment, bottom 120 end of airbag cushion 100 launches while the windshield glass 500 that nuzzles up, and then can dynamics minimumization being applied to windshield glass 500.
4th stage was in the stage folding to retainer 130 side for the both sides face 140 with airbag cushion 100 folding up and down. The method of the both sides face 140 of folded airbag pad 100, folds and has tucked in folding fold with any one method at roll fold, sawtooth. The both sides face 140 of airbag cushion 100 is folded by identical shape. Both sides face 140 at the present embodiment airbag cushion 100 has been folded according to having tucked in method for folding.
Sawtooth is folding is, after the side surface part 140 of airbag cushion 100 is folded to opposite, and the method for folding of repeatedly folding to side process. Roll fold is, the side surface part 140 of airbag cushion 100 is rolled the method for roll fold.
Retainer 130 is formed by the material with epistasis, and therefore airbag cushion 100 can only fold into the periphery of retainer 130.
Like this, folding airbag cushion 100 is accommodated in air bag shell 300, makes inflator 200 be arranged on retainer 130.
As mentioned above, it is necessary, being described as follows of effect of the airbag cushion 100 according to the present invention formed.
Fig. 5 is according to one embodiment of the invention, the figure face of the expansion process of display air bag.
With reference to Fig. 5, the expansion of airbag cushion 100 being described, before vehicle collides, air bag module 10 is configured in the dashboard 400 of front passenger's seat.
Vehicle collision situation, ACU (Air-bagcontrolunit) (not shown) sense vehicle collide, make high temperature, the gas of high pressure occur in inflator 200. At the high temperature of inflator 200 generation, the gas of high pressure, flow into airbag cushion 100 by retainer 130.
Flow into the gas of high temperature, high pressure to airbag cushion 100, and then launch airbag cushion 100 while open dashboard 400.
First, the bottom 120 of airbag cushion 100 can be launched rapidly to passenger. Upon deployment, first bottom 120 end of airbag cushion 100 contacts with windshield glass 500 in the bottom 120 of airbag cushion 100. At this moment, bottom 120 end of airbag cushion 100 nuzzles up windshield glass 500, simultaneously dynamics minimumization being applied to windshield glass 500.
After definite part is launched to passenger in the bottom 120 of airbag cushion 100, the top 110 of airbag cushion 100 is also launched to passenger.
Owing to the size on the top 110 of air bag 100 is less than the bottom 120 of airbag cushion 100, so the volume launched is also little, thus the top 110 of the little airbag cushion 100 of the volume launched, even if contacting with windshield glass 500, also can dynamics minimumization being applied to windshield glass 500. Thus, even if launching airbag cushion 100, it is also possible to prevent the damage of windshield glass 500.
The bottom 120 of airbag cushion 100 is launched to passenger with horizontal direction, launches lower section through certain time to the knee (K) of passenger, can protect the knee of passenger with regard to this. (K)
Airbag cushion 100, by the gas filling of high temperature, high pressure, after there is expansion completely, by the venting hole 141 formed at the left and right sides of airbag cushion 100 face 140, externally flows out gas. This airbag cushion 100 can be diminished, launch airbag cushion 100, and then apply the pressure in passenger and also can reduce.
Above, the most preferred embodiment of the present invention is illustrated and illustrates, but the present invention is not limited to above-mentioned specific embodiment, do not exceed the emphasis of the present invention in right request, certainly can according to the staff having usual knowledge in this technical field that the present invention belongs to, carry out various deformation implementation, the unintelligible technical thought for the present invention of this kind of deformation implementation or carry out the understanding of indivedual property from prospect.
Claims (10)
1. the method for folding of airbag cushion take retainer as benchmark, the method for folding of a kind of airbag cushion that the size of formation bottom is bigger than the size on top, it is characterised in that, comprising:
In 1st stage, the bottom of airbag cushion is at least tucked in (tuckin) folding once to upside, formed bottom and tucked in portion (tuckinpart);
In 2nd stage, the top of described airbag cushion at least folds once to downside, and described bottom has been tucked in portion and at least folded once to upside;
In 3rd stage, the front side making the top of described folding airbag cushion and the described folding bottom portion of having tucked in overlap retainer folds.
2. the method for folding of airbag cushion according to claim 1, it is characterised in that, also comprise:
In 4th stage, the both sides face of described airbag cushion is folding to described retainer side.
3. the method for folding of airbag cushion according to claim 1, it is characterised in that,
The width on described folding top is formed bigger than the 1/2 of described retainer width.
4. the method for folding of airbag cushion according to claim 1, it is characterised in that,
The width that portion has been tucked in described folding bottom is formed bigger than the 1/2 of described retainer width.
5. the method for folding of airbag cushion according to claim 1, it is characterised in that,
The width that the overlapping part in portion has been tucked on described folding top with described folding bottom is formed bigger than described retainer width 1/2.
6. the method for folding of airbag cushion according to claim 1, it is characterised in that,
Making described folding top be configured in described retainer has tucked between portion overlapping with described folding bottom.
7. the method for folding of airbag cushion according to claim 1, it is characterised in that,
Described top has been tucked in downside and has at least been folded more than once by described 1st stage, forms top and has tucked in portion.
8. the method for folding of airbag cushion according to claim 2, it is characterised in that,
Described both sides face forms venting hole, flows out the gas of filling in described airbag cushion.
9. the method for folding of airbag cushion according to claim 2, it is characterised in that,
Described both sides face folds at sawtooth, has tucked in folding and roll fold, at least folds with any one method.
10. the method for folding of airbag cushion according to claim 9, it is characterised in that,
Both sides face is made to be folded into same shape.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2012-0082285 | 2012-07-27 | ||
| KR1020120082285A KR101936859B1 (en) | 2012-07-27 | 2012-07-27 | Method for folding the air-bag cushion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103569022A CN103569022A (en) | 2014-02-12 |
| CN103569022B true CN103569022B (en) | 2016-06-08 |
Family
ID=50041984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310287947.0A Active CN103569022B (en) | 2012-07-27 | 2013-07-10 | The method for folding of airbag cushion |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101936859B1 (en) |
| CN (1) | CN103569022B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102227852B1 (en) * | 2014-10-29 | 2021-03-15 | 현대모비스 주식회사 | Curtain air bag apparatus and method of manufacturing the same |
| CN111591243B (en) * | 2019-02-05 | 2022-10-25 | 丰田合成株式会社 | Airbag device for assistant driver seat |
| CN115320532A (en) * | 2022-08-30 | 2022-11-11 | 宁波均胜汽车安全系统有限公司 | Airbag folding method and airbag device |
| CN117984937A (en) * | 2022-10-28 | 2024-05-07 | 采埃孚汽车安全系统(日照)有限公司 | Airbag folding method, airbag and overhead airbag |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6196585B1 (en) * | 1998-05-11 | 2001-03-06 | Takata Corporation | Method of folding airbag for front passenger |
| CN102431518A (en) * | 2011-10-25 | 2012-05-02 | 贵州航天凯峰科技有限责任公司 | Folding structure for air bag |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050070414A1 (en) * | 2003-09-11 | 2005-03-31 | Schneider David W. | Cushion fold patterns for overhead airbags |
| JP4396492B2 (en) * | 2004-11-26 | 2010-01-13 | 豊田合成株式会社 | Airbag device for steering wheel |
| JP4996447B2 (en) * | 2007-12-25 | 2012-08-08 | 芦森工業株式会社 | Airbag folding structure |
| JP5641637B2 (en) * | 2009-12-23 | 2014-12-17 | タカタ株式会社 | Air bag and air bag device |
| JP5652784B2 (en) * | 2011-01-14 | 2015-01-14 | タカタ株式会社 | Air bag and air bag device |
-
2012
- 2012-07-27 KR KR1020120082285A patent/KR101936859B1/en active IP Right Grant
-
2013
- 2013-07-10 CN CN201310287947.0A patent/CN103569022B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6196585B1 (en) * | 1998-05-11 | 2001-03-06 | Takata Corporation | Method of folding airbag for front passenger |
| CN102431518A (en) * | 2011-10-25 | 2012-05-02 | 贵州航天凯峰科技有限责任公司 | Folding structure for air bag |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101936859B1 (en) | 2019-01-09 |
| CN103569022A (en) | 2014-02-12 |
| KR20140014924A (en) | 2014-02-06 |
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