CN203543885U - Curtain airbag (CAB) with distributed air sources - Google Patents
Curtain airbag (CAB) with distributed air sources Download PDFInfo
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- CN203543885U CN203543885U CN201320577025.9U CN201320577025U CN203543885U CN 203543885 U CN203543885 U CN 203543885U CN 201320577025 U CN201320577025 U CN 201320577025U CN 203543885 U CN203543885 U CN 203543885U
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Abstract
The utility model relates to the technical field of automobile airbags, in particular to a curtain airbag (CAB) with distributed air sources. The curtain type airbag comprises an airbag body and a tubular structure, and is characterized in that the tubular structure is arranged in the airbag body and a plurality of air generation chemical modules are arranged in the tubular structure and are connected by wire harness. Compared with the prior art, the curtain type airbag has the advantages that the curtain type airbag is simple in design and compact in structure, since the independent air generation chemical modules are utilized in the tubular structure to serve as the distributed air sources substituting for the original gas generator, requirements of the curtain airbag for arrangement space of the overall vehicle are lowered, space occupied by the gas generator is saved, the total mass is reduced, and the general requirements for reducing weight of parts can be met; since the individually packaged air generation chemical modules can be distributed reasonably according to positions where protection to heads of passengers is needed, air generation chemicals can be used effectively and sufficiently without wastes, and the development design difficulty of products can be lowered.
Description
Technical field
The utility model relates to automotive airbag technical field, specifically a kind of curtain type gas bag with distributed source of the gas.
Background technology
Safety air bag is an important component part in automobile passive safety system, and its radical function is when automobile generation traffic accident, and actv. protection occupant's personal safety, avoids, between passenger and automotive trim, secondary collision occurs.
Auto manufacturing has been a mature industry, and the automobile passive safety system especially development and use of safety air bag also becomes a mature industry.According to middle areas in Shandong Province morning newspaper on October 19th, 2011 take < < drive the how old driver of bad habit more accident-proneness > > as inscribing the manifestation of having reported traffic accident on urban highway, express highway.Side collision, scrape and hit pedestrian, positive bump against, trail that to bump against be major accident form.Wherein, side collision occupies 59.65% of the total form of accident.This has just affirmed the importance of strengthening exploitation automobile side passive safety system more.
Automobile side passive safety system is take seat side airbag SAB and curtain air bag CAB as main, existing by curtain air bag referred to as " CAB ", both obtained at present more comprehensively exploitation and application.But, just along with the development of auto trade and perfect, the control of unloaded WT, quality and space requirement to parts especially safety member are also more and more higher.Especially CAB more should be noted module lightweight, takies the strict demand that arrangement space reduces.
Referring to Fig. 1, CAB existing product structure is generally comprised of five main portions of link of gas generator, airbag, air guide bag/ventilation flue, producer support, air bag.Owing to only having a gas generator, receiving after the ignition signal of electronic control package ECU, the High Temperature Gas cognition of its generation is diffused in airbag it is full of by air guide bag/ventilation flue, to reach the effect of protection occupant's head.But, in such situation, need consider many factors, as more and more less in the reserved arrangement space of gas generator, cause gas generator be not easy arrange.Air guide bag/ventilation flue's opening size plays decisive role for curtain type gas bag overall performance, causes air guide bag/ventilation flue's design need to pass through validation trial.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, designs a kind of curtain type gas bag with distributed source of the gas, and needn't consider the size of air guide bag/ventilation flue's opening, adapts to narrow space and arranges.
For achieving the above object, design a kind of curtain type gas bag with distributed source of the gas, comprise airbag, tubular structure, it is characterized in that: in airbag, establish tubular structure, in tubular structure, establish some gas generant composition in accordance modules, between described some gas generant composition in accordance modules, adopt wire harness to connect.
Described gas generant composition in accordance module is built-in with ignition tube, and the ignition tube in each gas generant composition in accordance module is connected on wire harness.
Described gas generant composition in accordance module adopts friction welding encapsulating structure.
The utility model compared with the existing technology, simplicity of design, space compactness, in tubular structure, adopt independently gas generant composition in accordance module to replace original gas generator as distributed source of the gas, reduced the requirement of CAB to arrangement space, saved the space that gas generator occupies, total quality is alleviated, can meet better client to the generally requirement of part weight-saving, and the gas generant composition in accordance module of individual packages can reasonably distribute according to the need protection position of occupant's head of airbag, fully actv. utilizes gas generant composition in accordance, avoid waste, also make the development and Design difficulty of product reduce simultaneously, do not need the verification experimental verification of the aperture position of repeatedly adjusting air guide bag/ventilation flue, the gas generant composition in accordance module of individual packages and being used in conjunction with of tubular structure, reduced the difficulty in developing with air guide bag/ventilation flue structure matching of gas generator in design in the past, can save the experimentation cost of time-to-market and exploitation.
Accompanying drawing explanation
Fig. 1 is the structural representation of original curtain air bag.
Fig. 2 is structural representation of the present utility model.
The specific embodiment
Now the utility model is further described by reference to the accompanying drawings.
Embodiment 1
Referring to Fig. 2, curtain type gas bag in this example comprises gas generant composition in accordance module 3, airbag 1, tubular structure 2, the wire harness 4 of individual packages, some gas generant composition in accordance modules 3 are arranged in tubular structure 2, between some gas generant composition in accordance modules 3, adopt wire harness 4 to connect, described gas generant composition in accordance module 3 is built-in with ignition tube, and the ignition tube in each gas generant composition in accordance module 3 is connected on wire harness 4.Outside ignition signal makes ignition tube trigger the gas generant composition in accordance module 3 being connected by wire harness 4, each gas generant composition in accordance module 3 produces rapidly a large amount of gas, gas imports in the air cavity of setting in airbag fast, has saved the shared space of original gas generator, has alleviated overall weight.In this example, gas generant composition in accordance module 3 adopts friction welding encapsulating structure, and the gas generant composition in accordance module 3 of individual packages should be able under low pressure be stablized generation gas here.
In the utility model, the tubular structure 2 that is provided with gas generant composition in accordance module 3 is wrapped in airbag 1, can determine according to the volume size of airbag 1 like this dose of gas generant composition in accordance module 3, according to the particular location of the air cavity of airbag 1, determine the position of gas generant composition in accordance module 3, facilitate the design of product.That is, the concrete distributing position of some gas generant composition in accordance modules 3, is the determining positions by airbag 1 interior air cavity, namely by car load, the position of occupant's head protection is determined.Can, according to product design and customer demand, according to the size of occupant's head overlay area and required protection domain, gas generant composition in accordance module 3 be distributed in airbag 1 like this, reach the object of performance and cost optimization.
The utility model adopts the tubular structure 2 that holds gas generant composition in accordance module 3, as adopted flexible pipe the gas generant composition in accordance module 3 of individual packages to be distributed in to the air cavity top in the airbag 1 designing, and adopts wire harness 4 to connect between each gas generant composition in accordance module 3.When automobile bumps, electronic control package ECU degree of will speed up signal is converted to electric signal, and the gas generant composition in accordance module 3 that makes ignition tube trigger the individual packages being connected by wire harness 4 produces rapidly a large amount of gas, and gas imports in the air cavity of setting fast.Now, the gas that gas generant composition in accordance module 3 discharges is full of airbag, can protect passenger to avoid occurring secondary collision in traffic accident.
Claims (3)
1. one kind has the curtain type gas bag of distributed source of the gas, comprise airbag, tubular structure, it is characterized in that: in airbag (1), establish tubular structure (2), in tubular structure (2), establish some gas generant composition in accordance modules (3), between described some gas generant composition in accordance modules (3), adopt wire harness (4) to connect.
2. a kind of curtain type gas bag with distributed source of the gas as claimed in claim 1, is characterized in that: described gas generant composition in accordance module (3) is built-in with ignition tube, and the ignition tube in each gas generant composition in accordance module (3) is connected on wire harness (4).
3. a kind of curtain type gas bag with distributed source of the gas as claimed in claim 1 or 2, is characterized in that: described gas generant composition in accordance module (3) adopts friction welding encapsulating structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320577025.9U CN203543885U (en) | 2013-09-17 | 2013-09-17 | Curtain airbag (CAB) with distributed air sources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320577025.9U CN203543885U (en) | 2013-09-17 | 2013-09-17 | Curtain airbag (CAB) with distributed air sources |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203543885U true CN203543885U (en) | 2014-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320577025.9U Expired - Lifetime CN203543885U (en) | 2013-09-17 | 2013-09-17 | Curtain airbag (CAB) with distributed air sources |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203543885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105946778A (en) * | 2016-05-25 | 2016-09-21 | 延锋百利得（上海）汽车安全系统有限公司 | Safety gas bag |
-
2013
- 2013-09-17 CN CN201320577025.9U patent/CN203543885U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105946778A (en) * | 2016-05-25 | 2016-09-21 | 延锋百利得（上海）汽车安全系统有限公司 | Safety gas bag |
| US10974683B2 (en) | 2016-05-25 | 2021-04-13 | Yanfeng Automotive Safety Systems Co., Ltd. | Safety airbag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191226 Address after: 201315 4th floor, building 11, No. 957, Kangqiao Road, Pudong New Area, Shanghai Co-patentee after: Shanghai Lingang Junsheng automobile safety system Co.,Ltd. Patentee after: YANFENG AUTOMOBILE INTELLIGENT SAFETY SYSTEM Co.,Ltd. Address before: 201315 No. 426 Pu Pu Road, Cambridge Industrial Zone, Shanghai, Pudong New Area Patentee before: YANFENG KSS (SHANGHAI) AUTOMOTIVE SAFETY SYSTEMS Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |
|
| CX01 | Expiry of patent term |