CN211765399U - Front protection safety airbag structure - Google Patents
Front protection safety airbag structure Download PDFInfo
- Publication number
- CN211765399U CN211765399U CN202020415683.8U CN202020415683U CN211765399U CN 211765399 U CN211765399 U CN 211765399U CN 202020415683 U CN202020415683 U CN 202020415683U CN 211765399 U CN211765399 U CN 211765399U
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- Prior art keywords
- air
- air bag
- chamber
- airbag
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- Expired - Fee Related
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- 238000009958 sewing Methods 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 28
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 14
- 239000007789 gas Substances 0.000 abstract description 6
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to a front protection safety airbag air bag structure, which comprises a first air bag, wherein the top and the bottom of the first air bag are symmetrically provided with a second air bag, when the safety airbag starts to be inflated, nitrogen firstly flows into a first air chamber through an air inlet, and then flows into the second air bag from first air vents at the top and the bottom of the first air chamber, when the second air bag is filled with nitrogen, the nitrogen can flow into a second air chamber from a second air vent, the second air bag is firstly inflated and expanded to push away passengers, the head of the passengers can be prevented from being rapidly unfolded at the middle part of the airbag, the excessive pressure in the air bag of the airbag can be conveniently released by arranging an exhaust port, the petal-shaped shielding pieces are sewed through tearable sewing threads, when the exhaust volume of an overlarge air outlet in the air bag can not meet the exhaust requirement, the petal-shaped shielding pieces can be torn, the amount of exhaust gas can be increased, so that the energy of the passenger impact can be better absorbed.
Description
Technical Field
The utility model relates to a openly protect air bag air pocket structure belongs to air bag technical field.
Background
A general front airbag is generally provided with only one air chamber, and when the airbag is inflated, since the inflation direction is directed to the middle of the airbag, when the airbag is deployed from a folded state, the middle portion and both side portions of the airbag are deployed at the same time and hit the head, neck and chest of a passenger, and if the passenger is located at a position close to the airbag at that time, the middle portion of the airbag hits the passenger, since the pressure and deployment speed of the middle portion of the airbag are high, the passenger is seriously injured, and therefore the deployment of the general airbag is at a high risk to the passenger close to the airbag, and further improvement is required.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem and overcome the existing defects, and provides a front protection air bag structure of an air bag, which can prevent the head of a passenger from being injured due to the rapid expansion of the middle part of the air bag, when the air bag starts to be inflated, nitrogen firstly flows into a first air chamber through an air inlet, and then flows into a second air bag through first vent holes at the top and the bottom of the first air chamber, when the inside of the second air bag is filled with nitrogen, the nitrogen can flow into the second air chamber through a second vent hole, the second air bag is firstly inflated and expanded by adopting the structure to push the passenger away, the head of the passenger can be prevented from being injured due to the rapid expansion of the middle part of the air bag, the air can be conveniently exhausted by arranging an exhaust port, the excessive pressure in the air bag can be conveniently released, the petal-shaped shielding pieces are sewn through tearable sewing threads, when the exhaust volume of an air outlet with, the petal-shaped shielding sheets can be torn, so that the air displacement can be increased, the energy of passenger impact can be better absorbed, and the problem in the background art can be effectively solved.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a front protection air bag air pocket structure, includes first air pocket, first air pocket top is equipped with the second air pocket with the bottom symmetry, first air pocket inner chamber is fixed to be equipped with the separation blade just the separation blade is cut apart into first air chamber and second air chamber to first air pocket inner chamber, first air chamber inner chamber top is equipped with first air vent with bottom equidistance symmetry, second air chamber inner chamber top is equipped with the second air vent with bottom equidistance symmetry, first air pocket left side middle part is equipped with the air inlet, first air pocket bottom front side surface is equipped with the gas vent.
Further, the first air bag and the second air bag are fixedly connected in a sealing mode.
Further, the first air chamber is connected to the second air bag through a first vent hole.
Further, the second air chamber is connected to the second air bag through a second vent hole.
Furthermore, a petal-shaped shielding piece is fixedly arranged in the inner cavity of the exhaust port, and an air outlet is formed at the end part of the petal-shaped shielding piece.
Further, the petal-shaped shielding pieces are sewn through tearable sewing threads.
The utility model discloses beneficial effect: the utility model relates to a front protection air bag structure of an air bag, which can prevent the head of a passenger from being injured by the rapid expansion of the middle part of the air bag, when the air bag starts to be inflated, nitrogen firstly flows into a first air chamber through an air inlet, and then flows into a second air bag through first air vents at the top and the bottom of the first air chamber, when the second air bag is filled with nitrogen, the nitrogen can flow into the second air chamber through a second air vent, the second air bag is firstly inflated and expanded to push the passenger away, the head of the passenger can be prevented from being injured by the rapid expansion of the middle part of the air bag, the air can be conveniently exhausted by arranging an exhaust port, the over-high pressure in the air bag of the air bag can be conveniently released, the petal-shaped shielding pieces are sewed through tearable sewing threads, when the exhaust volume of an air outlet with over-large air pressure in the air bag can not meet the exhaust requirement, the amount of exhaust gas can be increased, so that the energy of the passenger impact can be better absorbed.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a sectional view of a front protection airbag of the present invention.
Fig. 2 is a structural diagram of an airbag of a front protection airbag of the present invention.
Fig. 3 is a left side view of the airbag structure of the front protection airbag of the present invention.
Reference numbers in the figures: 1. a first air bag; 2. a second air bag; 3. a baffle plate; 4. a first air chamber; 5. a second air chamber; 6. a first vent hole; 7. a second vent hole; 8. an air inlet; 9. an exhaust port; 10. a petal-shaped shielding piece; 11. and an air outlet.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
The first embodiment is as follows:
as shown in fig. 1-3, an air bag structure of a front protection air bag comprises a first air bag 1, wherein the top and the bottom of the first air bag 1 are symmetrically provided with a second air bag 2, a blocking piece 3 is fixedly arranged in the inner cavity of the first air bag 1, the blocking piece 3 divides the inner cavity of the first air bag 1 into a first air chamber 4 and a second air chamber 5, the top and the bottom of the inner cavity of the first air chamber 4 are equidistantly and symmetrically provided with a first vent hole 6, the top and the bottom of the inner cavity of the second air chamber 5 are equidistantly and symmetrically provided with a second vent hole 7, when the air bag starts to inflate, nitrogen firstly flows into the first air chamber 4 through an air inlet 8, then flows into the second air bag 2 through the first vent hole 6 at the top and the bottom of the first air chamber 4, and then flows into the second air bag 5 through the second vent hole 7 when the second air bag 2 is filled with nitrogen, by adopting the structure, the second air bag 2 is, can prevent that the gasbag middle part from expandeing rapidly and causing the injury to passenger's head, 1 left side middle part of first air pocket is equipped with air inlet 8, 1 bottom front side surface of first air pocket is equipped with gas vent 9, conveniently exhausts through setting up gas vent 9, conveniently releases the too high pressure in the gasbag gas pocket.
In this embodiment, the first air bag 1 and the second air bag 2 are fixedly connected in a sealed manner, the first air chamber 4 is connected with the second air bag 2 through a first vent hole 6, the second air chamber 5 is connected with the second air bag 2 through a second vent hole 7, a petal-shaped shielding piece 10 is fixedly arranged in an inner cavity of the exhaust port 9, and an air outlet 11 is formed at an end of the petal-shaped shielding piece 10.
Example two:
as shown in fig. 2, the petal-shaped shielding pieces 10 are sewn through tearable sewing threads, and when the air pressure inside the airbag is too high and the displacement of the air outlet 11 cannot meet the exhaust requirement, the petal-shaped shielding pieces 10 are torn, so that the displacement can be increased, and the energy of passenger impact can be better absorbed.
The utility model discloses the theory of operation: when the safety airbag starts to inflate, nitrogen firstly flows into the first air chamber 4 through the air inlet 8, then flows into the second air bag 2 from the first vent holes 6 at the top and the bottom of the first air chamber 4, when the second air bag 2 is filled with nitrogen, the nitrogen only flows into the second air chamber 5 from the second vent holes 7, by adopting the structure, the second air bag 2 is inflated and expanded firstly to push away passengers, the head of the passengers can be prevented from being hurt by quick expansion in the middle of the airbag, the exhaust is facilitated by arranging the exhaust port 9, the excessive pressure in the air bag of the airbag is conveniently released, the petal-shaped shielding pieces 10 are sewn through tearable sewing threads, when the air pressure in the air bag is too large and the exhaust amount of the air outlet 11 cannot meet the exhaust requirement, the petal-shaped shielding pieces 10 are torn, the exhaust amount can be increased, and therefore the energy of passenger impact can be better absorbed.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.
Claims (6)
1. A front protection airbag pocket structure comprising a first pocket (1), characterized in that: first air pocket (1) top is equipped with second air pocket (2) with the bottom symmetry, first air pocket (1) inner chamber is fixed and is equipped with separation blade (3) just separation blade (3) are split into first air pocket (1) inner chamber into first air chamber (4) and second air chamber (5), first air chamber (4) inner chamber top is equipped with first air vent (6) with bottom equidistance symmetry, second air chamber (5) inner chamber top is equipped with second air vent (7) with bottom equidistance symmetry, first air pocket (1) left side middle part is equipped with air inlet (8), first air pocket (1) bottom front side surface is equipped with gas vent (9).
2. A front protection airbag structure according to claim 1, wherein: the first air bag (1) and the second air bag (2) are fixedly connected in a sealing mode.
3. A front protection airbag structure according to claim 1, wherein: the first air chamber (4) is communicated with the second air bag (2) through a first vent hole (6).
4. A front protection airbag structure according to claim 1, wherein: the second air chamber (5) is communicated with the second air bag (2) through a second vent hole (7).
5. A front protection airbag structure according to claim 1, wherein: the inner cavity of the exhaust port (9) is fixedly provided with a petal-shaped shielding piece (10), and the end part of the petal-shaped shielding piece (10) forms an air outlet (11).
6. A front protection airbag structure according to claim 5, wherein: the petal-shaped shielding sheets (10) are sewn through tearable sewing threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020415683.8U CN211765399U (en) | 2020-03-27 | 2020-03-27 | Front protection safety airbag structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020415683.8U CN211765399U (en) | 2020-03-27 | 2020-03-27 | Front protection safety airbag structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211765399U true CN211765399U (en) | 2020-10-27 |
Family
ID=72927324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020415683.8U Expired - Fee Related CN211765399U (en) | 2020-03-27 | 2020-03-27 | Front protection safety airbag structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211765399U (en) |
-
2020
- 2020-03-27 CN CN202020415683.8U patent/CN211765399U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20201027 |