CN205344813U - Car is secondary delay inflatable gas generator for air bag - Google Patents
Car is secondary delay inflatable gas generator for air bag Download PDFInfo
- Publication number
- CN205344813U CN205344813U CN201620001583.4U CN201620001583U CN205344813U CN 205344813 U CN205344813 U CN 205344813U CN 201620001583 U CN201620001583 U CN 201620001583U CN 205344813 U CN205344813 U CN 205344813U
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- air bag
- medicine box
- lower house
- container
- gas generator
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Abstract
The utility model relates to a car safety airbag technique field discloses a car is secondary delay inflatable gas generator for air bag, include casing down, go up the casing, it forms confined cavity for storage medicine with the inferior valve body coupling to go up the casing, be equipped with in the cavity for storage medicine and produce the gas medicine, be equipped with on the casing down and pass fire tubular container, the open end that passes fire tubular container is equipped with ignition tubular container, be equipped with electric ignition tube in the ignition tube container, be equipped with the starting mix in the biography fire tubular container, be equipped with a plurality of first exhaust holes on the biography fire tubular container, the both sides of going up the casing are equipped with a plurality of seconds exhaust hole, be equipped with supplementary medicine box in the cavity for storage medicine, it produces the gas medicine to be equipped with in the supplementary medicine box, the bottom of supplementary medicine box is passed through the connecting block and is connected with lower casing bottom surface, the open end of supplementary medicine box is equipped with the apron, be equipped with the through -hole on the apron, be equipped with the preforming that covers the through -hole completely on the lateral surface of apron. The utility model discloses have and to carry out secondary delay ignition, for the gasbag continuously provides gaseous, be favorable to the smooth beneficial effect who expandes of gasbag module.
Description
Technical field
This utility model relates to vehicle safety air bag assembly technical field, particularly relates to a kind of gas generator for safety air sac.
Background technology
Air bag is very important safety device on automobile, when automobile has an accident, it is possible to effectively reduce the accident injury to human body, thus protecting the life security of driver and motroist.Air bag is mainly made up of parts such as gas generator, combustor, filter/drainage screen, starting mix/expansion combustion medicine, gas generant composition in accordance/gas generating agent, igniter/ignitron, steam vent, medicine boxs.Air-cushion inflator: produce and discharge the parts of gas in automobile air-bag system.Combustor: load the cavity volume of gas generant composition in accordance (gunpowder) in gas generator.Filter/drainage screen: the gas produced is filtered, solid residue therein is stayed within it.Starting mix/expansion combustion medicine: ignition energy is amplified, a kind of gunpowder that gas generant composition in accordance is ignited smoothly.Gas generant composition in accordance/gas generating agent: main gas provides source, is reacted by quick combustion chemistry, solid chemical material is converted into gas.Igniter/ignitron: a kind of firer's components and parts quickly being lighted starting mix by signal of telecommunication triggering energy.Steam vent: the gas that generator produces discharges required gas by steam vent to air bag.Medicine box: for the part that fill gas generant composition in accordance, there is autonomous closure space.The only single combustion chamber of gas generator common at present, when ignition trigger, moment produces significantly high intrinsic pressure, and inner pressure curve slope is significantly high, is unfavorable for that the triumph of air bag module launches.
Utility model content
There are upper the problems referred to above to solve gas generator of the prior art in this utility model, it is provided that one can carry out secondary and postpone to ignite, and continues to provide gas for air bag, is conducive to the gas generator that air bag module launches smoothly.
To achieve these goals, this utility model adopts the following technical scheme that
A kind of safe automobile air bag secondary postpones inflatable gas generator, including lower house, upper shell, upper shell is connected the drug storage chamber forming closing with lower house, drug storage intracavity is provided with gas generant composition in accordance, lower house is provided with igniting primer container, the opening of described igniting primer container is provided with ignitron container, it is provided with squib in ignitron container, it is provided with starting mix in igniting primer container, described igniting primer container is provided with some first row pores, the both sides of described upper shell are provided with some second row pores, described drug storage intracavity is provided with auxiliary medicine box, it is provided with gas generant composition in accordance in auxiliary medicine box, the bottom of described auxiliary medicine box is connected with lower house bottom surface by contiguous block, the opening of auxiliary medicine box is provided with cover plate, described cover plate is provided with through hole, the lateral surface of described cover plate is provided with the tabletting that through hole is completely covered.
Current signal passes to squib, squib lights the starting mix in igniting primer container, igniting primer burning is felt relieved high-temperature gas and flame, high-temperature gas and flame enter into drug storage intracavity from first row pore, thus gas generant composition in accordance is ignited, gas generant composition in accordance produces substantial amounts of gas and discharges as air bag component inflation from second row pore, simultaneously along with the pressure of drug storage intracavity increases, the tabletting covering through hole is broken up by pressure or by gas generant composition in accordance combustion melting, gas generant composition in accordance in auxiliary medicine box is ignited, gas generant composition in accordance blast in auxiliary medicine box produces a large amount of gases, pressure moment in auxiliary medicine box increases backs down cover plate, a large amount of gases of auxiliary medicine box enter into drug storage intracavity and enter in air bag component from second row pore, thus the secondary realizing air bag component postpones inflation, be conducive to the stable expansion of air bag component, adopt this structure, actual tests process obtains low slope, the tank curve of high output.
As preferably, described upper shell be respectively provided on two sides with filter, the bottom of described lower house is provided with filter pad, and the bottom of described upper shell is provided with the elastic support sheet for filter support.Gas generant composition in accordance can produce solid residue after lighting, and filter can filter these solid residues so that solid residue remains in gas generator, without entering in air bag component.
As preferably, described filter is wire gauze filter, and described filter pad, elastic support sheet are made up of aluminium alloy.High-temperature gas is had cooling effect by filter, filter pad, elastic support sheet.
As preferably, the inner of first row pore is equipped with the first aluminium foil, and the inner of second row pore is equipped with the second aluminium foil.First aluminium foil is in order to starting mix and gas generant composition in accordance isolation, the second aluminium foil is in order to drug storage chamber is isolated from the outside, it is prevented that outside moisture enters drug storage intracavity.
As preferably, the opening of described lower house stretches out to be formed and connects ring, and between opening and the opening of lower house of described upper shell, friction welding (FW) is connected.
Therefore, this utility model has can carry out secondary delay ignition, continues to provide gas for air bag, is conducive to the beneficial effect that air bag module launches smoothly.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
In figure: lower house 1, upper shell 2, drug storage chamber 3, gas generant composition in accordance 4, igniting primer container 5, ignitron container 6, squib 7, starting mix 8, first row pore the 9, first aluminium foil 10, second row pore the 11, second aluminium foil 12, auxiliary medicine box 13, cover plate 14, through hole 15, filter 16, filter pad 17, elastic support sheet 18, heat shield 19, connection ring 20, contiguous block 21, tabletting 22.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is further described:
A kind of safe automobile air bag secondary as shown in Figure 1 postpones inflatable gas generator, and including lower house 1, upper shell 2, the opening of lower house 1 stretches out to be formed and connects ring 20, and between opening and the opening of lower house of upper shell, friction welding (FW) is connected；Upper shell 1 is connected the drug storage chamber 3 forming closing with lower house 2, drug storage intracavity is provided with gas generant composition in accordance 4, lower house is provided with igniting primer container 5, the opening of igniting primer container 5 is provided with ignitron container 6, squib 7 it is provided with in ignitron container 6, ignitron external container and lower house clamping, starting mix 8 it is provided with in igniting primer container 5, igniting primer container 5 is provided with some first row pores 9, the inner of first row pore 9 is equipped with the first aluminium foil 10, the both sides of upper shell are provided with some second row pores 11, and the inner of second row pore is equipped with the second aluminium foil 12；
Auxiliary medicine box 13 it is provided with in drug storage chamber 3, the bottom of auxiliary medicine box is connected with lower house bottom surface by contiguous block 21, the opening of auxiliary medicine box 13 is provided with cover plate 14, cover plate is connected with auxiliary medicine box clamping, cover plate can only unidirectional be opened, will not fall in auxiliary medicine box when cover plate is from lateral surface pressurized, can depart from auxiliary medicine box during the medial surface pressurized of cover plate；Being provided with gas generant composition in accordance in auxiliary medicine box 13, cover plate 14 is provided with through hole 15, and the lateral surface of cover plate is provided with the tabletting 22 that through hole is completely covered.In the present embodiment, tabletting is the one in foil, ceramic sheet or plastic sheet, is breached when foil, potsherd pressurized, and plastic sheet is heated and can melt breakage.
Upper shell 2 be respectively provided on two sides with filter 16, the bottom of lower house is provided with filter pad 17, and the bottom of upper shell is provided with the elastic support sheet 18 for filter support；Filter is wire gauze filter, and filter pad, elastic support sheet are made up of aluminium alloy, and the lateral surface of elastic support sheet is fitted with upper shell bottom surface, and the medial surface of elastic support sheet is provided with heat shield 19.
In conjunction with accompanying drawing, principle of the present utility model is as follows: current signal passes to squib, squib lights the starting mix in igniting primer container, igniting primer burning is felt relieved high-temperature gas and flame, high-temperature gas and flame enter into drug storage intracavity from first row pore after breaking through the first aluminium foil, thus gas generant composition in accordance is ignited, gas generant composition in accordance produces to discharge from second row pore after substantial amounts of gas breaks through the second aluminium foil to inflate for air bag component, simultaneously along with the pressure of drug storage intracavity increases, the high pressure of drug storage intracavity directly punctures tabletting, the gas generant composition in accordance that the gas generant composition in accordance that drug storage intracavity has burnt enters in auxiliary medicine box and ignites in auxiliary medicine box, gas generant composition in accordance blast in auxiliary medicine box produces a large amount of gases at high pressure and cover plate is pushed open, the opening of auxiliary medicine box directly connects with drug storage chamber, thus the secondary realizing air bag component postpones inflation, be conducive to the stable expansion of air bag component.This utility model have can carry out secondary postpone point quick-fried, continue to provide gas for air bag, be conducive to the beneficial effect that air bag module launches smoothly.
Claims (5)
1. a safe automobile air bag secondary postpones inflatable gas generator, including lower house, upper shell, upper shell is connected the drug storage chamber forming closing with lower house, drug storage intracavity is provided with gas generant composition in accordance, lower house is provided with igniting primer container, the opening of described igniting primer container is provided with ignitron container, it is provided with squib in ignitron container, it is provided with starting mix in igniting primer container, described igniting primer container is provided with some first row pores, the both sides of described upper shell are provided with some second row pores, it is characterized in that, described drug storage intracavity is provided with auxiliary medicine box, it is provided with gas generant composition in accordance in auxiliary medicine box, the bottom of described auxiliary medicine box is connected with lower house bottom surface by contiguous block, the opening of auxiliary medicine box is provided with cover plate, described cover plate is provided with through hole, the lateral surface of described cover plate is provided with the tabletting that through hole is completely covered.
2. safe automobile air bag secondary according to claim 1 postpones inflatable gas generator, it is characterized in that, described upper shell be respectively provided on two sides with filter, the bottom of described lower house is provided with filter pad, and the bottom of described upper shell is provided with the elastic support sheet for filter support.
3. safe automobile air bag secondary according to claim 2 postpones inflatable gas generator, and described filter is wire gauze filter, and described filter pad, elastic support sheet are made up of aluminium alloy.
4. safe automobile air bag secondary according to claim 1 postpones inflatable gas generator, it is characterized in that, the inner of first row pore is equipped with the first aluminium foil, and the inner of second row pore is equipped with the second aluminium foil.
5. safe automobile air bag secondary according to claim 1 postpones inflatable gas generator, it is characterized in that, the opening of described lower house stretches out to be formed and connects ring, and between opening and the opening of lower house of described upper shell, friction welding (FW) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620001583.4U CN205344813U (en) | 2016-01-04 | 2016-01-04 | Car is secondary delay inflatable gas generator for air bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620001583.4U CN205344813U (en) | 2016-01-04 | 2016-01-04 | Car is secondary delay inflatable gas generator for air bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205344813U true CN205344813U (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620001583.4U Active CN205344813U (en) | 2016-01-04 | 2016-01-04 | Car is secondary delay inflatable gas generator for air bag |
Country Status (1)
| Country | Link |
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| CN (1) | CN205344813U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226353A (en) * | 2016-09-05 | 2016-12-14 | 安徽理工大学 | A kind of Jiao Lian lane, colliery net gas of simulating repeats the pilot system of blast |
| CN112124245A (en) * | 2020-09-25 | 2020-12-25 | 均胜汽车安全系统(湖州)有限公司 | Bipolar gas generator for pyrotechnic safety airbag |
-
2016
- 2016-01-04 CN CN201620001583.4U patent/CN205344813U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226353A (en) * | 2016-09-05 | 2016-12-14 | 安徽理工大学 | A kind of Jiao Lian lane, colliery net gas of simulating repeats the pilot system of blast |
| CN106226353B (en) * | 2016-09-05 | 2023-09-19 | 安徽理工大学 | Test system for simulating repeated explosion of coal mine corner roadway net gas |
| CN112124245A (en) * | 2020-09-25 | 2020-12-25 | 均胜汽车安全系统(湖州)有限公司 | Bipolar gas generator for pyrotechnic safety airbag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 313103 Houshan Natural Village, Heping Town, Changxing County, Huzhou City, Zhejiang Province Patentee after: Junsheng Automobile Safety System (Huzhou) Co., Ltd. Address before: 313103 Houshan Natural Village, Heping Town, Changxing County, Huzhou City, Zhejiang Province Patentee before: Key (Huzhou) Automotive Safety Systems Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |