CN215553025U - Vehicle air curtain safety air bag - Google Patents
Vehicle air curtain safety air bag Download PDFInfo
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- CN215553025U CN215553025U CN202121668459.0U CN202121668459U CN215553025U CN 215553025 U CN215553025 U CN 215553025U CN 202121668459 U CN202121668459 U CN 202121668459U CN 215553025 U CN215553025 U CN 215553025U
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- 230000004888 barrier function Effects 0.000 claims description 18
- 238000000638 solvent extraction Methods 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 238000005192 partition Methods 0.000 description 2
- 238000009958 sewing Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
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Abstract
The utility model discloses a vehicle air curtain safety airbag which comprises a safety airbag, an air inlet nozzle and at least two airbag pull belts, wherein the air inlet nozzle is connected to the safety airbag, and the airbag pull belts are connected to one side of the safety airbag; the safety air bag can be inflated and expanded, and is provided with an expansion area and a locking area corresponding to the position of a vehicle seat; the airbag has a first state and a second state; when the safety air bag is in the first state, the thickness of the lock dead zone is equal to that of the expansion zone; the thickness of the deadlocking region is less than the thickness of the inflation region when the airbag is in the second state. When the vehicle air curtain safety air bag is expanded and unfolded, the thickness of the locking area is smaller than that of the expansion area, so that the space occupied by the vehicle air curtain safety air bag is reduced, and the vehicle air curtain safety air bag can be used normally. And the dead zone of lock corresponds with vehicle seat position, and when vehicle air curtain air bag inflation, the dead zone of lock dodges vehicle seat, avoids vehicle seat collision vehicle air curtain air bag, causes the skew.
Description
Technical Field
The utility model relates to the technical field of automobile parts, in particular to an air curtain safety air bag of a vehicle.
Background
The automobile is a common vehicle for people to go out, and the riding comfort of the automobile is a factor considered by people.
In order to improve the riding comfort of the existing automobile, a big ear wing seat is adopted, so that the riding space is increased, and the comfort is improved. However, the big ear wing seat occupies a large space, which may cause insufficient deployment space of the air curtain airbag, and the air curtain airbag may not be fully deployed. Or when the air curtain safety air bag of the automobile is unfolded, the air curtain safety air bag can be touched with the big earflap seat, so that the air curtain safety air bag is deviated, and passengers can not be effectively protected.
In view of the above, improvements are needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a vehicle air curtain safety air bag which is convenient to use and high in safety performance.
The technical scheme of the utility model provides a vehicle air curtain safety airbag, which comprises a safety airbag, an air inlet nozzle and at least two airbag drawstrings, wherein the air inlet nozzle is connected to the safety airbag, and the airbag drawstrings are connected to one side of the safety airbag; the safety air bag can be inflated and expanded, and is provided with an expansion area and a locking area corresponding to the position of a vehicle seat; the airbag has a first state and a second state; when the safety airbag is in the first state, the thickness of the lock dead zone is equal to that of the expansion zone; when the safety airbag is in the second state, the thickness of the lock dead zone is smaller than that of the expansion zone.
Further, the dead lock region comprises a main body part and a baffle part connected with the edge of the expansion region, the main body part is connected with the baffle part, and the baffle part divides the safety airbag into a first airbag chamber and a second airbag chamber communicated with the first airbag chamber; the air inlet nozzle is communicated with the first air bag chamber, and air entering through the air inlet nozzle enters the second air bag chamber through the first air bag chamber.
Further, the width of the main body portion is greater than the width of the barrier portion.
Further, the main body portion is arc-shaped.
Further, the inflation area includes at least two of the second airbag chambers, and one of the barriers is provided between the first airbag chamber and each of the second airbag chambers.
Further, a flow dividing region is arranged on the safety air bag and located in the first air bag chamber to guide air to each second air bag chamber.
Further, the flow splitting area is circular.
Furthermore, the air bag drawstrings comprise a first drawstring and two second drawstrings, one end of each second drawstring is connected with the air bag, and the other end of each second drawstring is connected with the first drawstring; the first drawstring and the two second drawstrings are connected in a Y shape.
Furthermore, the air bag drawstring further comprises a third drawstring, and the third drawstring is connected between the two second drawstrings.
Further, the airbag drawstring and the airbag are integrally formed.
After adopting above-mentioned technical scheme, have following beneficial effect:
the utility model discloses a vehicle air curtain safety airbag which comprises a safety airbag, an air inlet nozzle and at least two airbag drawstrings, wherein the air inlet nozzle is connected to the safety airbag, and the airbag drawstrings are connected to one side of the safety airbag. The safety air bag can be inflated and expanded, and an expansion area and a lock dead zone corresponding to the position of the vehicle seat are arranged on the safety air bag. The airbag has a first state and a second state. The thickness of the dead lock zone is equal to the thickness of the inflation zone when the airbag is in the first state. The thickness of the deadlocking region is less than the thickness of the inflation region when the airbag is in the second state. When the vehicle air curtain safety air bag is expanded and unfolded, the thickness of the locking area is smaller than that of the expansion area, so that the space occupied by the vehicle air curtain safety air bag is reduced, and the vehicle air curtain safety air bag can be used normally. And the dead locking area corresponds to the position of the vehicle seat, and when the vehicle air curtain safety airbag expands, the dead locking area avoids the vehicle seat, so that the safety of passengers is effectively protected.
Drawings
The disclosure of the present invention will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present disclosure. In the figure:
FIG. 1 is a schematic view of a vehicle curtain airbag in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view of a vehicle curtain airbag and vehicle seat in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view of an airbag and an airbag pull strap in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view of an air bag drawstring in one embodiment of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings.
It is easily understood that according to the technical solution of the present invention, those skilled in the art can substitute various structures and implementation manners without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are only exemplary illustrations of the technical solutions of the present invention, and should not be construed as being all of the present invention or as defining or limiting the technical solutions of the present invention.
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms.
As shown in fig. 1 to 3, a vehicle curtain airbag 10 according to an embodiment of the present invention includes an airbag 1, an inlet nozzle 2, and at least two airbag pull tapes 3, wherein the inlet nozzle 2 is connected to the airbag 1, and the airbag pull tapes 3 are connected to one side of the airbag 1.
The airbag 1 is inflatable, and the airbag 1 is provided with an inflation region 11 and a deadlocking region 12 corresponding to the position of the vehicle seat.
The airbag 1 has a first state and a second state.
The thickness of the deadband region 12 is equal to the thickness of the inflation region 11 when the airbag 1 is in the first condition.
The thickness of the deadlocking region 12 is less than the thickness of the inflation region 11 when the airbag 1 is in the second condition.
The vehicle curtain airbag 10 is mounted on a vehicle frame, such as within a vehicle B-pillar. The vehicle curtain airbag 10 can absorb the impact of the passenger when triggered to inflate, so as to protect the passenger.
Alternatively, a gas generator is provided on the vehicle frame, and when the vehicle collides, the gas generator generates gas to inflate the vehicle curtain airbag 10.
The vehicle air curtain safety air bag 10 comprises a safety air bag 1, an air inlet nozzle 2 and an air bag drawstring 3, wherein the safety air bag 1 can be inflated and expanded, and the air inlet nozzle 2 is connected to the safety air bag 1 and is connected with a gas generator. The gas generated by the gas generator enters the airbag 1 through the inlet nozzle 2.
The air bag 1 is connected with at least two air bag drawstrings 3, one ends of the air bag drawstrings 3 are connected with the vehicle framework, and the other ends of the air bag drawstrings 3 are connected with the air bag 1. When the airbag 1 inflates, the drawstring is pulled out of the vehicle frame. All of the drawstrings 3 are divided into two parts and attached to opposite sides of the airbag 1, respectively, so that the airbag 1 can be stabilized in the lateral direction after being inflated. In the present embodiment, the airbag 1 is connected with two bag pulling straps 3, and the two bag pulling straps 3 are connected to the front and rear sides of the airbag 1, respectively.
The airbag 1 is provided with an expansion region 11 and a deadlocking region 12, and the expansion region 11 can be enlarged when the airbag 1 is inflated. The airbag 1 has a first state and a second state. The first state of the airbag 1 is that the airbag 1 is not triggered and is housed in the vehicle frame. The second state of the airbag 1 is that the airbag 1 is triggered, pulling out the vehicle frame, the airbag 1 being in the process of inflation or having been inflated to the limit.
The thickness of the dead-lock region 12 is equal to the thickness of the inflation region 11 when the airbag 1 is in the first state, to reduce the occupied space. When the airbag 1 is in the second state, the thickness of the expansion region 11 is greater than the thickness of the dead lock region 12, so that an escape region opening toward the vehicle seat is formed concavely on the surface of the airbag 1. After the air bag 1 is expanded, the part of the vehicle seat is positioned in an avoiding area, so that the vehicle seat cannot collide with the air bag 1, the air bag 1 is deviated, and the air bag 1 can effectively protect passengers. Moreover, the arrangement reduces the area of the airbag 1 after the airbag is completely deployed, thereby reducing the space required by the complete deployment of the airbag 1 and facilitating the successful deployment of the airbag 1.
Alternatively, gas can enter the deadlocking zone 12 and the expansion zone 11, but the volume expanded upon entry of the deadlocking zone 12 into the gas is less than the volume expanded upon entry of the expansion zone 11 into the gas.
Alternatively, the deadlocking zone 12 cannot be filled with gas, i.e., the two panels of material in the deadlocking zone 12 are bonded together and gas cannot fill this zone.
Alternatively, the airbag 1 is attached by sewing or bonding by the airbag panels. Wherein the airbag tablet is made of a material suitable for the material, such as nylon.
In one embodiment, as shown in fig. 1 to 3, the lock dead zone 12 includes a main body portion 121 and a barrier portion 122 connected to an edge of the inflation zone 11, the main body portion 121 is connected to the barrier portion 122, and the barrier portion 122 partitions the airbag 1 into a first airbag chamber 111 and a second airbag chamber 112 communicating with the first airbag chamber 111. The intake nozzle 2 communicates with the first airbag chamber 111, and the gas entering through the intake nozzle 2 passes through the first airbag chamber 111 into the second airbag chamber 112.
Specifically, the lock dead zone 12 is formed by attaching two opposing airbag panels of the airbag 1. The lock dead zone 12 is composed of a body portion 121 and a stopper portion 122. The main body 121 is located in the expansion region 11, and one end of the barrier 122 is connected to the main body 121 and the other end is connected to the edge of the expansion region 11. The barrier portion 122 partitions the inflation region 11 into the first airbag chamber 111 and the second airbag chamber 112, and allows the first airbag chamber 111 and the second airbag chamber 112 to be connected through a connection port. Wherein the first air bag chamber 111 is connected to the intake nozzle 2. When gas enters from the air inlet nozzle 2, the gas is blocked by the blocking part 122 and cannot directly enter the second air bag chamber 112, the gas needs to pass through the first air bag chamber 111, pass through the connecting port and then enter the second air bag chamber 112, so that the gas can be firstly filled into the second air bag chamber 112 serving as a main protection area under the condition of incomplete filling, the purpose of firstly filling the gas in place is realized, the requirement of complete filling is met, and the protection effect is improved.
Alternatively, after the gas enters the second airbag chamber 112, a part of the gas may flow into the first airbag chamber 111 again along the wall surface of the second airbag chamber 112.
In one embodiment, as shown in fig. 1-3, the width of the body portion 121 is greater than the width of the barrier portion 122.
Specifically, the lock dead zone 12 is formed by attaching two opposing airbag panels of the airbag 1. The lock dead zone 12 includes a body portion 121 and a barrier portion 122. The barrier portion 122 is connected to the body portion 121, wherein the width of the body portion 121 is greater than the width of the barrier portion 122, so that the locking dead zone 12 is connected more firmly, and when gas is filled, the gas does not easily separate the two airbag panels. The blocking part 122 is strip-shaped, and the blocking area is increased.
Alternatively, barrier 122 is a portion of a wall surface that constitutes second airbag chamber 112.
In one embodiment, as shown in fig. 1-3, the body portion 121 is circular. The body portion 121 is positioned to extend into the connection port and is a part of a wall surface constituting the connection port. The gas enters the second balloon chamber along the body portion 121, and the body portion 121 is a turning point. When the surface of the body portion 121 is formed in a circular arc shape, the gas flows more smoothly along the body portion 121.
In one embodiment, as shown in fig. 1-3, the inflation area 11 includes at least two second airbag chambers 112, and a barrier 122 is disposed between the first airbag chamber 111 and each second airbag chamber 112.
Specifically, at least two lock dead zones 12 are provided in the inflation zone 11, thus dividing the inflation zone 11 into one first airbag chamber 111 and at least two second airbag chambers 112, thus forming a plurality of escape regions that have escaped different portions of the vehicle seat.
Alternatively, the second airbag chamber 112 is a protected area, and a plurality of second airbag chambers 112 can correspond to different parts of the human body.
In one embodiment, shown in fig. 1-3, airbag 1 is provided with a flow splitting region 13, where flow splitting region 13 is located within first airbag chamber 111 to direct gas to each second airbag chamber 112.
Specifically, a flow dividing region 13 is provided in the inflation region 11, and the flow dividing region 13 is located in the first airbag chamber 111, and is capable of dividing the gas entering the first airbag chamber 111 into a plurality of gas flows and corresponding to the different second airbag chambers 112 so that the gas can reach the different second airbag chambers 112 at the same time.
Alternatively, two opposite airbag panels in the first airbag chamber 111 are attached to form a plurality of flow guide channels, the flow guide channels have the same width, and each flow guide channel faces one second airbag chamber 112.
Optionally, the diversion area 13 is a baffle disposed within the first airbag chamber 111. A plurality of guide plates are arranged in the first chamber 111 at intervals, and a guide channel is formed between two adjacent guide plates.
In one embodiment, the diverter zone 13 is circular, as shown in FIG. 1.
Specifically, the two opposing airbag panels of the first airbag chamber 111 are attached to form a sealed flow distribution region 13, and the flow distribution region 13 is circular. As the airflow passes through the divergent zone 13, it is split along the divergent zone 13. Because the flow splitting region 13 is circular, the gas flows more smoothly and uniformly through the flow splitting region 13.
In one embodiment, as shown in fig. 1 and 3-4, the bag pull strap 3 includes a first pull strap 31 and two second pull straps 32, one end of the second pull strap 32 is connected to the airbag 1, and the other end is connected to the first pull strap 31. The first pull tape 31 and the two second pull tapes 32 are connected in a Y shape.
Specifically, the bag drawstring 3 is composed of a first drawstring 31 and a second drawstring 32, the first drawstring 31 being attached to a vehicle frame, such as a vehicle B-pillar. The second pull strap 32 is connected between the airbag 1 and the first pull strap 31. Two second pull straps 32 are connected to the end of the first pull strap 31 facing the airbag 1. Thus, the first pull tape 31 and the two second pull tapes 32 are connected in a Y shape. When the airbag 1 is inflated and deployed, the first pull tape 31 and the second pull tape 32 are pulled out, and the two second pull tapes 32 are distributed in the vertical direction. So set up, the effectual phenomenon that has restricted air bag 1 and has waved on vertical has restricted air bag 1 at effectual protection position, makes the protection passenger that air bag 1 can be better, has improved the security.
Optionally, a plurality of second pull tapes 32 are arranged on the first pull tape 31, and the first pull tape 31 and any two second pull tapes 32 form a Y shape.
In one embodiment, as shown in FIGS. 3-4, the air bag drawstring 3 further includes a third drawstring 33, the third drawstring 33 being connected between the two second drawstrings 32. One end of the third pull tape 33 is connected with one of the second pull tapes 32, and the other end of the third pull tape 33 is connected with the other second pull tape 32. The third stretching strap 33 can bear a part of the tensile force, thereby improving the overall structural strength of the air bag stretching strap 3.
In one embodiment, as shown in fig. 1 and 3, the bag drawstring 3 is integrally formed with the airbag 1. The air bag drawstring 3 and the air bag 1 are produced and molded through a mould, or are connected with the air bag 1 into a whole through connecting modes such as sewing and the like. This makes the connection of the bag drawstring 3 to the airbag 1 more secure.
In summary, the utility model discloses a vehicle air curtain airbag 10, which comprises an airbag 1, an air inlet nozzle 2 and at least two airbag drawstrings 3, wherein the air inlet nozzle 2 is connected to the airbag 1, and the airbag drawstrings 3 are connected to one side of the airbag 1. The airbag 1 is inflatable, and the airbag 1 is provided with an inflation region 11 and a deadlocking region 12 corresponding to the position of the vehicle seat. The airbag 1 has a first state and a second state. The thickness of the deadband region 12 is equal to the thickness of the inflation region 11 when the airbag 1 is in the first condition. The thickness of the deadlocking region 12 is less than the thickness of the inflation region 11 when the airbag 1 is in the second condition. When the vehicle air curtain safety air bag 10 is expanded and unfolded, an avoiding area for avoiding a vehicle seat is formed in the dead lock area 12, so that after the safety air bag 1 is expanded, the vehicle seat cannot block the safety air bag 1, the safety air bag 1 is enabled to deviate, and therefore the safety air bag 1 can effectively protect passengers. On the other hand, the dead lock region 12 reduces the volume of the airbag 1 after deployment, so that the airbag 1 can be successfully and completely deployed more conveniently, and the use is convenient.
The foregoing is considered as illustrative only of the principles and preferred embodiments of the utility model. It should be noted that, for those skilled in the art, several other modifications can be made on the basis of the principle of the present invention, and the protection scope of the present invention should be regarded.
Claims (10)
1. A vehicle air curtain safety airbag (10) is characterized by comprising a safety airbag (1), an air inlet nozzle (2) and at least two airbag drawstrings (3), wherein the air inlet nozzle (2) is connected to the safety airbag (1), and the airbag drawstrings (3) are connected to one side of the safety airbag (1);
the safety airbag (1) can be inflated, and an expansion area (11) and a locking area (12) corresponding to the position of a vehicle seat are arranged on the safety airbag (1);
the airbag (1) has a first state and a second state;
the thickness of the lock dead zone (12) is equal to the thickness of the expansion zone (11) when the airbag (1) is in the first state;
the thickness of the locking area (12) is smaller than the thickness of the expansion area (11) when the airbag (1) is in the second state.
2. The vehicle curtain airbag (10) according to claim 1, wherein the lock dead zone (12) includes a main body portion (121) and a barrier portion (122) connected to an edge of the inflation zone (11), the main body portion (121) being connected to the barrier portion (122), the barrier portion (122) partitioning the airbag (1) into a first airbag chamber (111) and a second airbag chamber (112) communicating with the first airbag chamber (111);
the air inlet nozzle (2) is communicated with the first air bag chamber (111), and air entering through the air inlet nozzle (2) enters the second air bag chamber (112) through the first air bag chamber (111).
3. The vehicle curtain airbag (10) of claim 2 wherein the body portion (121) has a width greater than a width of the barrier portion (122).
4. The vehicle curtain airbag (10) of claim 3 wherein the body portion (121) is arcuate in shape.
5. The vehicle curtain airbag (10) of claim 2 wherein the inflation region (11) includes at least two of the second airbag chambers (112), one of the barriers (122) being disposed between the first airbag chamber (111) and each of the second airbag chambers (112).
6. Vehicle curtain airbag (10) according to claim 5, characterized in that a splitter (13) is arranged on the airbag (1), which splitter (13) is located in the first airbag chamber (111) to guide gas to each second airbag chamber (112).
7. Vehicle curtain airbag (10) according to claim 6, characterized in that the flow dividing region (13) is circular.
8. The vehicle air curtain airbag (10) according to claim 1, wherein the bag drawstring (3) comprises a first drawstring (31) and two second drawstrings (32), one end of the second drawstring (32) being connected to the airbag (1) and the other end being connected to the first drawstring (31);
the first drawstring (31) and the two second drawstrings (32) are connected in a Y shape.
9. The vehicle air curtain airbag (10) of claim 8 wherein the bag drawstring (3) further comprises a third drawstring (33), the third drawstring (33) being connected between the two second drawstrings (32).
10. Vehicle curtain airbag (10) according to claim 1, characterised in that the airbag drawstring (3) is integrally formed with the airbag (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121668459.0U CN215553025U (en) | 2021-07-21 | 2021-07-21 | Vehicle air curtain safety air bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121668459.0U CN215553025U (en) | 2021-07-21 | 2021-07-21 | Vehicle air curtain safety air bag |
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| Publication Number | Publication Date |
|---|---|
| CN215553025U true CN215553025U (en) | 2022-01-18 |
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ID=79827432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121668459.0U Active CN215553025U (en) | 2021-07-21 | 2021-07-21 | Vehicle air curtain safety air bag |
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| Country | Link |
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| CN (1) | CN215553025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118597207A (en) * | 2024-05-20 | 2024-09-06 | 中车青岛四方机车车辆股份有限公司 | Passive safety protection windshield structure for rail vehicle, rail vehicle and method |
-
2021
- 2021-07-21 CN CN202121668459.0U patent/CN215553025U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118597207A (en) * | 2024-05-20 | 2024-09-06 | 中车青岛四方机车车辆股份有限公司 | Passive safety protection windshield structure for rail vehicle, rail vehicle and method |
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