CN102371962A - Air bag restraint device with a plurality of inflating matters - Google Patents
Air bag restraint device with a plurality of inflating matters Download PDFInfo
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- CN102371962A CN102371962A CN2010102475238A CN201010247523A CN102371962A CN 102371962 A CN102371962 A CN 102371962A CN 2010102475238 A CN2010102475238 A CN 2010102475238A CN 201010247523 A CN201010247523 A CN 201010247523A CN 102371962 A CN102371962 A CN 102371962A
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- air
- air bag
- inflatable substrate
- inflatable
- gas
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Abstract
The invention discloses an air bag restraint device with a plurality of inflating matters, which is embedded on the top of a vehicle and is provided with an air generator and an air bag assembly, wherein the air bag assembly is provided with an air inlet and one or more inflating matters, the air inlet is connected with the air generation, the air bag assembly also comprises an air distribution chamber communicated with the air inlet, a plurality of distribution air outlet channels are arranged on the air distribution chamber, each distribution air outlet channel is in a necking state relative to the air distribution chamber, and the air distribution air outlet channels extend into the corresponding inflating matters and are communicated with the insides of the inflating matters. By using difference of internal and external pressures of the distribution air outlet channels, the distribution air outlet channels are opened and closed, and further the purpose of controlling the air quantity and the pressure inside each inflating matter in an air bag restraint device with the plurality of inflating matters is achieved to ensure that each inflating matter can play a better protection role, and the possibility of explosion of the inflating maters is fundamentally avoided.
Description
Technical field
The present invention relates to the automotive Airbag Technology field, particularly a kind of simultaneously from front protecting chaufeur and front-row occupant or row occupant's air bag device behind the front protecting simultaneously with a plurality of inflatable substrates.
Background technology
Raising along with vehicle safety performance requires has become standard configuration in order to the safety air bag of protecting chaufeur and front-row occupant.Safety air bag DAB as in order to the protection chaufeur is installed in the bearing circle, is installed on the instrument desk in order to the safety air bag PAB that protects the occupant.Because employed driver-side and occupant side all are monosaccate structures on the current mobility car, adopt independent gas generator to put on the air separately.And as a rule; The safety air bag of driver-side and occupant side is generally all contained the much complex part; For example: door closure, air bag fixed container, producer, fixed support, air-bag support, wire harness geometrical clamp, Sound-proof material etc., therefore the such safety air bag of two covers will cause car load total amount and cost to increase.Also limited simultaneously expanding space of bearing circle and instrument desk.
Also have at present on self-propelled vehicle, though there is the safety air bag of employing to protect chaufeur and occupant, the report of finding to adopt safety air bag to protect the report of chaufeur and front-row occupant simultaneously and arrange the occupant simultaneously behind the front protecting.
Protect aspect chaufeur and the occupant adopting safety air bag; U.S. Pat 2002/0024200 discloses a kind of safety air bag, and it is installed in the ceiling zone, and this airbag design is divided into two parts cavity; Connect through drawstring; First opens earlier, and second portion is to open from first's expansion, is 90 degree relations with it.Second portion is opened towards the occupant, and the position is below header planes; During airbag deployment, wherein first's cavity launches along windscreen, and size is for till touching instrument carrier panel.The cavity of second portion need cover occupant's chest area at least.This air bag only limits to protect front-row occupant.
The applicant has submitted the application for a patent for invention of a safety air bag to China national Department of Intellectual Property on October 30th, 2009 for this reason; This air bag device is embedded on the vehicle roof; Have gas generator and bag module, said bag module has an admission port and one or more inflatable substrate, and described admission port is connected with described gas generator; And be communicated with each inflatable substrate through independent inlet channels, and each independent inlet channels also is interconnected.
But through further discovering, this safety air bag is not when occupant side has the occupant, after safety air bag is opened; The inflatable substrate of driver side receives the compressing of chaufeur health, and the gas in it can rush in the inflatable substrate of occupant side, causes the inflatable substrate tolerance of driver side to reduce; Pressure decay can not be protected chaufeur effectively, and the tolerance in the inflatable substrate of occupant side increases; Increased pressure; Explosion sometimes causes the bag module of whole safety air bag to lose heart rapidly, can't play the actv. protective effect.
In addition; Have in the safety air bag of a plurality of inflatable substrates at some, sometimes will need a plurality of inflatable substrates to be designed to the different inflatable substrate of pressure, and this is difficult technically to realize; Need to use a plurality of gas generators to solve, this is by the rising that has brought the structure complexity.
Summary of the invention
It is a kind of simultaneously from a plurality of inflatable substrate air bag devices of having of front protecting chaufeur and front-row occupant that technical matters to be solved by this invention is to provide; This air bag device has been realized traditional DAB, PAB protection occupant's function, simplifies and integrated modular construction; Or row occupant's air bag device behind the front protecting simultaneously, for back row occupant provides better protection.Simultaneously can keep each inflatable substrate pressure inside constant again.
Technical matters to be solved by this invention can realize through following technical scheme:
A kind of air bag device with a plurality of inflatable substrates; This air bag device is embedded on the vehicle roof, has gas generator and bag module, and said bag module has an admission port and one or more inflatable substrate; Described admission port is connected with described gas generator; It is characterized in that said bag module also comprises the gas diffluence room that is communicated with described admission port, said gas diffluence room is provided with a plurality of air flues that distribute; Each distributes air flue and becomes the necking down state with respect to described gas diffluence room, described gas runner extend into pairing inflatable substrate inner and with this inflatable substrate internal run-through.
Admission port of the present invention can directly be connected with described gas generator, also can be connected with described gas generator through gas operated device.Preferably admission port directly is connected with described gas generator.
The gas generator of air bag device of the present invention is one, can be placed on any suitable position on the self-propelled vehicle.
Bag module of the present invention adopts the folding mode that folds or roll volume, preferably adopts reciprocating type folding mode to fold perhaps and adopts the takeup type mode to fold.
Described bag module is made by the first airbag sheet and the second airbag sheet and is formed, and described gas diffluence room is arranged between the first airbag sheet and the second airbag sheet.
Described gas diffluence room and runner adopt the first gas diffluence room bag sheet and the second gas diffluence room bag sheet to make and form.
In a preferred embodiment of the invention, said air bag device is embedded on the top front end, and said bag module has two inflatable substrates, and wherein first inflatable substrate is in order to from the front protecting chaufeur, and second inflatable substrate is in order to from the front protecting front-row occupant; In said gas diffluence room two; One is first to distribute air flue; Another is second to distribute air flue; First distribute air flue put in first inflatable substrate inner and with this first inflatable substrate internal run-through, second distribute air flue put in second inflatable substrate inner and with this second inflatable substrate internal run-through
In another preferred embodiment of the present invention; Said air bag device is embedded in each row occupant front side, back of top; Said bag module has three inflatable substrates, and wherein each inflatable substrate is in order to arrange occupant from each back of front protecting, and the volume ratio of described each airbag is identical; Said gas diffluence room is provided with three and distributes air flue, each distribute air flue put in pairing inflatable substrate inner and with this inflatable substrate internal run-through.
In another preferred embodiment of the present invention; Said air bag device is embedded on the top front end; Said bag module has spaced two or more rows bag module, and wherein the first degassing bag assembly is arranged on the top front end, and this first degassing bag assembly has two inflatable substrates that link together; Wherein first inflatable substrate is in order to from the front protecting chaufeur, and second inflatable substrate is in order to from the front protecting front-row occupant; Each row's of back bag module is embedded in each back row occupant front side of top, has and the cooresponding inflatable substrate of each back row's occupant position quantity, in order to simultaneously from each back row occupant of front protecting; In each degassing bag assembly, be provided with a gas diffluence room; Each gas diffluence room be provided with this degassing bag assembly in inflatable substrate quantity identical distribute air flue, each distribute air flue put in pairing inflatable substrate inner and with this inflatable substrate internal run-through.
Owing to adopted design plan as above; The present invention has proposed in bag module through increasing gas diffluence room and distributing air flue with innovating; And each is distributed the part that air flue stretches in the inflatable substrate be arranged to the necking down shape with respect to gas diffluence room; It is poor that utilization distributes the air flue external and internal pressure, opens and closes this and distribute air flue, and then reach the purpose that control has each inflatable substrate in-to-in tolerance and pressure in the safety air bag of a plurality of inflatable substrates; Each inflatable substrate can both be played a very good protection, simultaneously with the possibility of fundamentally having stopped the inflatable substrate explosion.An air bag device of the present invention in addition simultaneously from the front-seat chaufeur of front protecting with front-row occupant or/and the protection back notion of arranging each occupant simultaneously; Promptly realized traditional DAB, each occupant's of PAB protection function, or/and better protection is provided to back row occupant.Compare traditional air bag, owing to reduced one or more groups air bag part, simplify and integrated modular construction, thereby alleviated weight, reduced cost, also expanded the space that utilizes of bearing circle and instrument desk.
Description of drawings
Below with reference to the exemplary embodiment of illustrating in the accompanying drawing the present invention is described in further detail.
Fig. 1 is the expansion scheme drawing of the bag module of the embodiment of the invention 1.
View when Fig. 2 closes for distributing air flue in the embodiment of the invention 1.
View when Fig. 3 opens for distributing air flue in the embodiment of the invention 1.
The scheme drawing that Fig. 4 adopts reciprocating type folding mode to fold for embodiments of the invention 1 bag module.
Fig. 5 is the scheme drawing that the bag module of the embodiment of the invention 1 adopts the takeup type mode to fold.
Fig. 6 is the front schematic view of the bag module point of the embodiment of the invention 1 after quick-fried.
Side schematic view when Fig. 7 puts quick-fried back occupant side the occupant is arranged for the bag module of the embodiment of the invention 1.
Side schematic view when Fig. 8 puts quick-fried back occupant side and do not have the occupant for the bag module of the embodiment of the invention 1.
Fig. 9 is the side schematic view of the bag module point of the embodiment of the invention 2 after quick-fried.
Figure 10 is quick-fried back two rows' of the bag module point of the embodiment of the invention 3 a side schematic view.
Figure 11 is quick-fried back two rows' of the bag module point of the embodiment of the invention 3 a schematic perspective view.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with concrete diagram, further set forth the present invention.
Embodiment 1
Present embodiment is disclosed to have a plurality of inflatable substrate air bag devices, can be simultaneously from front protecting chaufeur and front-row occupant, and this air bag device is embedded in the top front position, has gas generator (not shown) and bag module 100.
Referring to Fig. 1; This bag module 100 has 110,120 and gas diffluence room 200 of two inflatable substrates; Bag module 100 is provided with an admission port 130; Gas diffluence room 200 is communicated with this admission port 130, and admission port 130 directly is connected with gas generator, can certainly be connected with described gas generator through gas operated device.The whole bag module process of making can be such: at first adopt the first gas diffluence room bag sheet (not shown) and the second gas diffluence room bag sheet (not shown) to be sewn into gas diffluence room 200.All carry out in the plane when making, so easy operation, convenient control, process is simple.The gas diffluence room 200 that to make then is clipped between the first airbag sheet (not shown) and the second airbag sheet (not shown), makes the first airbag sheet and the second airbag sheet then and forms two inflatable substrates 110,120, finally obtains bag module 100.
When gas generator is put when quick-fried; The high pressure gas that produced are by in the gas diffluence room 200; Because distribute air flue 210,220 pressure inside P2 and be far longer than inflatable substrate 110,120 pressure inside P1 (referring to Fig. 2) this moment, distributes air flue 210,220 and open, like this; High pressure gas in the gas diffluence room 200 enter into inflatable substrate 110,120 respectively by the air flue 210,220 that distributes in the gas diffluence room 200, make inflatable substrate 110,120 bulging.When the gaseous emission in the gas diffluence room 200 totally after, distribute air flue 210,220 pressure inside P2 be far smaller than inflatable substrate 110,120 pressure inside P1 (referring to Fig. 2) this moment, at this moment distributes air flue 210,220 and be crushed and close.After distributing air flue 210,220 and being closed, inflatable substrate 110,120 gas inside can not be retracted into gas diffluence room 200.Even when not having the occupant referring to Fig. 8 occupant side, the gas in the inflatable substrate 110 can not be pressed in the inflatable substrate 120 yet, therefore still can make inflatable substrate 110 keep fine pressure, really plays the effect of protection chaufeur.
Go out to be provided with at the outer top margin angle of inflatable substrate 110 and inflatable substrate 120 and buckle 170,180, so that whole bag module 100 is hung on the top.
Referring to Fig. 4 and Fig. 5; This bag module adopts reciprocating type folding mode to fold (Fig. 2) or adopt the takeup type mode to fold (Fig. 3) and places the top front position; Can launch downwards after the inflation; Place the front side of chaufeur front side and front-row occupant, to protect chaufeur and front-row occupant (referring to Fig. 7 and Fig. 8) simultaneously.Gas generator is one, can place top, A post, or other appropriate locations.After this air bag device is installed on the top, can discharge the space of bearing circle and instrument desk.
Embodiment 2
Referring to Fig. 9, air bag device is embedded in each row occupant front side, back of top, and bag module 100a has two or three inflatable substrates, and wherein each inflatable substrate is in order to arrange occupant from each back of front protecting, and the volume ratio of described each airbag is identical.All the other structures are with embodiment 1.
Embodiment 3
Referring to Fig. 7, air bag device is embedded on the top, and each bag module is spaced.The first degassing bag assembly 100 is arranged on the top front end; Have 110, the 120 and gas diffluence room 200 of two inflatable substrates that link together; One of them inflatable substrate 110 is in order to from the front protecting chaufeur, and another inflatable substrate 120 is in order to from the front protecting front-row occupant.Gas diffluence room 200 is provided with two and distributes air flue 210,220, distributes air flue 210,220 with respect to 200 one-tenth necking down states of gas diffluence room, gas runner 210 extend in the inflatable substrate 110 and with these inflatable substrate 110 internal run-throughs.Gas runner 220 extend in the inflatable substrate 120 and with these inflatable substrate 120 internal run-throughs.
Each row's of back bag module 100a is embedded in top; And be arranged on each row occupant front side; And have and each row occupant position quantity cooresponding inflatable substrate 110a, 120a, 130a and the 200a of gas diffluence room, in order to simultaneously from from each back row occupant of front protecting.Gas diffluence room 200 is provided with three and distributes air flue 210a, 220a, 230a; Distribute air flue 210a, 220a, 230a with respect to the 200a of gas diffluence room one-tenth necking down state; Gas runner 210a extend in the inflatable substrate 110a and with this inflatable substrate 110a internal run-through; Gas runner 220a extend in the inflatable substrate 120a and with this inflatable substrate 120a internal run-through, gas runner 230a extend in the inflatable substrate 130a and with this inflatable substrate 130a internal run-through.
More than show and described principal character of the present invention and advantage of the present invention.The technical personnel of the industry should be understood; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification sheets just explains principle of the present invention; The present invention also has various changes and modifications under the prerequisite that does not break away from spirit and scope of the invention, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (11)
1. air bag device with a plurality of inflatable substrates; This air bag device is embedded on the vehicle roof, has gas generator and bag module, and said bag module has an admission port and one or more inflatable substrate; Described admission port is connected with described gas generator; It is characterized in that said bag module also comprises the gas diffluence room that is communicated with described admission port, said gas diffluence room is provided with a plurality of air flues that distribute; Each distributes air flue and becomes the necking down state with respect to described gas diffluence room, described gas runner extend into pairing inflatable substrate inner and with this inflatable substrate internal run-through.
2. air bag device as claimed in claim 1 is characterized in that, described admission port directly is connected with described gas generator.
3. air bag device as claimed in claim 1 is characterized in that, described admission port is connected with described gas generator through gas operated device.
4. air bag device as claimed in claim 1 is characterized in that the gas generator of described air bag device is one, is placed on any suitable position on the self-propelled vehicle.
5. air bag device as claimed in claim 1 is characterized in that, described bag module adopts the folding mode that folds or roll volume.
6. air bag device as claimed in claim 1 is characterized in that, described bag module adopts reciprocating type folding mode to fold or adopts the takeup type mode to fold.
7. air bag device as claimed in claim 1 is characterized in that, described bag module is made by the first airbag sheet and the second airbag sheet and formed, and described gas diffluence room is arranged between the first airbag sheet and the second airbag sheet.
8. like claim 1 or 7 described air bag devices, it is characterized in that described gas diffluence room and runner adopt the first gas diffluence room bag sheet and the second gas diffluence room bag sheet to make and form.
9. air bag device as claimed in claim 1; It is characterized in that said air bag device is embedded on the top front end, said bag module has two inflatable substrates; Wherein first inflatable substrate is in order to from the front protecting chaufeur, and second inflatable substrate is in order to from the front protecting front-row occupant; In said gas diffluence room two; One is first to distribute air flue; Another is second to distribute air flue; First distribute air flue put in first inflatable substrate inner and with this first inflatable substrate internal run-through, second distribute air flue put in second inflatable substrate inner and with this second inflatable substrate internal run-through.
10. air bag device as claimed in claim 1; It is characterized in that said air bag device is embedded in each row occupant front side, back of top, said bag module has three inflatable substrates; Wherein each inflatable substrate is in order to arrange occupant from each back of front protecting; The volume ratio of described each airbag is identical, and said gas diffluence room is provided with three and distributes air flue, each distribute air flue put in pairing inflatable substrate inner and with this inflatable substrate internal run-through.
11. air bag device as claimed in claim 1; It is characterized in that said air bag device is embedded on the top front end, said bag module has spaced two or more rows bag module; Wherein the first degassing bag assembly is arranged on the top front end; This first degassing bag assembly has two inflatable substrates that link together, and wherein first inflatable substrate is in order to from the front protecting chaufeur, and second inflatable substrate is in order to from the front protecting front-row occupant; Each row's of back bag module is embedded in each back row occupant front side of top, has and the cooresponding inflatable substrate of each back row's occupant position quantity, in order to simultaneously from each back row occupant of front protecting; In each degassing bag assembly, be provided with a gas diffluence room; Each gas diffluence room be provided with this degassing bag assembly in inflatable substrate quantity identical distribute air flue, each distribute air flue put in pairing inflatable substrate inner and with this inflatable substrate internal run-through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102475238A CN102371962A (en) | 2010-08-06 | 2010-08-06 | Air bag restraint device with a plurality of inflating matters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102475238A CN102371962A (en) | 2010-08-06 | 2010-08-06 | Air bag restraint device with a plurality of inflating matters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102371962A true CN102371962A (en) | 2012-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102475238A Pending CN102371962A (en) | 2010-08-06 | 2010-08-06 | Air bag restraint device with a plurality of inflating matters |
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| CN (1) | CN102371962A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102897134A (en) * | 2012-09-27 | 2013-01-30 | 锦州锦恒汽车安全***有限公司 | Airbag and automobile safety device |
| CN103448660A (en) * | 2013-09-17 | 2013-12-18 | 延锋百利得（上海）汽车安全***有限公司 | Vehicle side air curtain device with front protection function |
| WO2017202280A1 (en) * | 2016-05-25 | 2017-11-30 | 延锋百利得（上海）汽车安全***有限公司 | Safety airbag |
| CN109008022A (en) * | 2018-09-25 | 2018-12-18 | 昆山正工模具有限公司 | A kind of intelligence care waistband |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1762742A (en) * | 2004-10-21 | 2006-04-26 | 丰田合成株式会社 | Head protecting airbag apparatus |
| CN101209701A (en) * | 2006-12-26 | 2008-07-02 | 丰田合成株式会社 | Airbag apparatus |
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2010
- 2010-08-06 CN CN2010102475238A patent/CN102371962A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1762742A (en) * | 2004-10-21 | 2006-04-26 | 丰田合成株式会社 | Head protecting airbag apparatus |
| CN101209701A (en) * | 2006-12-26 | 2008-07-02 | 丰田合成株式会社 | Airbag apparatus |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102897134A (en) * | 2012-09-27 | 2013-01-30 | 锦州锦恒汽车安全***有限公司 | Airbag and automobile safety device |
| CN102897134B (en) * | 2012-09-27 | 2016-09-14 | 锦州锦恒汽车安全***有限公司 | A kind of air bag and auto-safety mechanism |
| CN103448660A (en) * | 2013-09-17 | 2013-12-18 | 延锋百利得（上海）汽车安全***有限公司 | Vehicle side air curtain device with front protection function |
| WO2015039444A1 (en) * | 2013-09-17 | 2015-03-26 | 延锋百利得（上海）汽车安全***有限公司 | Vehicle side airbag device having front protection function |
| CN103448660B (en) * | 2013-09-17 | 2015-07-22 | 延锋百利得（上海）汽车安全***有限公司 | Vehicle side air curtain device with front protection function |
| US9809189B2 (en) | 2013-09-17 | 2017-11-07 | Yanfeng Kss (Shanghai) Automotive Safety Systems Co., Ltd. | Vehicle side curtain airbag device having front protection function |
| WO2017202280A1 (en) * | 2016-05-25 | 2017-11-30 | 延锋百利得（上海）汽车安全***有限公司 | Safety airbag |
| US10974683B2 (en) | 2016-05-25 | 2021-04-13 | Yanfeng Automotive Safety Systems Co., Ltd. | Safety airbag |
| CN109008022A (en) * | 2018-09-25 | 2018-12-18 | 昆山正工模具有限公司 | A kind of intelligence care waistband |
| CN109998200A (en) * | 2018-09-25 | 2019-07-12 | 昆山正工模具有限公司 | A kind of application method of intelligence care waistband |
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Application publication date: 20120314 |