CN114274911B - Seat side airbag assembly and seat side airbag device - Google Patents
Seat side airbag assembly and seat side airbag device Download PDFInfo
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- CN114274911B CN114274911B CN202111403125.5A CN202111403125A CN114274911B CN 114274911 B CN114274911 B CN 114274911B CN 202111403125 A CN202111403125 A CN 202111403125A CN 114274911 B CN114274911 B CN 114274911B
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Abstract
The application provides a seat side airbag assembly and a seat side airbag device, which belong to the technical field of seat airbags and particularly comprise a bag and a gas guide bag, wherein the bag is formed by relatively folding a first cutting piece along a first folding line and sewing edges, the gas guide bag is formed by relatively folding a second cutting piece fixed on the first cutting piece along a second folding line and fixing the second cutting piece, the second cutting piece comprises a fixed end which is fixed on one side of the second folding line and on the first cutting piece and a folding end which is fixed on the other side of the second folding line, the fixed end and/or the folding end covers two sides of the first folding line, and the second folding line is intersected with the first folding line. By the processing scheme, the unfolding direction of the air bag is conveniently controlled.
Description
Technical Field
The present application relates to the field of seat airbags, and more particularly, to a seat side airbag assembly and a seat side airbag apparatus.
Background
The seat side airbag is installed on one side of the seat side frame close to the vehicle door, and the direction of Air flow in the airbag Bag of the seat is difficult to control, so that the unfolding direction of the Safe Air Bag cannot be flexibly controlled.
Disclosure of Invention
In view of the above, the present application provides a seat side airbag assembly and a seat side airbag apparatus, which solve the problems in the prior art and facilitate control of the deployment direction of the airbag.
In one aspect, the application provides a seat side airbag assembly comprising the following steps:
the utility model provides a seat lateral part air pocket assembly, includes bag and air guide bag, the bag is turned over relatively and is made up the border by first cut-parts along first turn-over line and form, air guide bag is turned over relatively and is fixed along the second turn-over line by the second cut-parts that are fixed on the first cut-parts, the second cut-parts include second turn-over line one side and fix the stiff end on the first cut-parts with the turn-over end of second turn-over line opposite side, the stiff end and/or turn-over end covers the both sides of first turn-over line, just the second turn-over line is crossing with first turn-over line.
Optionally, the second folding line is perpendicular to the first folding line.
Optionally, the second cut-parts are symmetrical cut-parts, the symmetry line of the second cut-parts is parallel to the first folding line and perpendicular to the second folding line, and the two sides of the folding end along the extending direction of the second folding line are fixed at the two sides of the fixed end.
Optionally, the second cut piece is provided with a hollowed-out portion, and the hollowed-out portion is located at the folding end and/or on the second folding line.
Optionally, the two sides of the tail end of the turnover end along the extending direction of the second turnover line are fixed at two sides of the fixed end.
Optionally, the two sides on the second cut-parts are provided with hollowed-out parts recessed inwards, and the second folding line is positioned on the hollowed-out parts or at the edges.
Optionally, the first cut-parts are provided with a first opening, the second cut-parts are provided with a second opening, the first opening and the second opening are used for inserting the gas generator into the gas bag assembly, and the second opening is higher than the first opening.
Optionally, the fixed end and the first panel are sewn around the first opening and the second opening.
On the other hand, the application provides a seat side airbag device which adopts the following technical scheme:
the seat side airbag device comprises the seat side airbag assembly and the gas generator, wherein the gas outlet end of the gas generator sequentially penetrates through the first cutting piece and the second cutting piece to extend into the bag, the gas outlet end of the gas generator is at least partially wrapped by the gas guide bag, and the gas generator presses the airbag assembly against the seat.
Optionally, the first fold line extends along the side edge of the backrest, divides the first cut-parts into an inner cloth piece and an outer cloth piece, two bolt holes for the bolts of the gas generator to pass through are arranged on the inner cloth piece and the fixing end, the distance between the connecting line of the two bolt holes and the first fold line is 20-30mm, and the second cut-parts are symmetrical about the connecting line of the two bolt holes.
In summary, the application has the following beneficial technical effects:
1. the arrangement of the air guide bag enables the expansion gas to be expanded to the maximum width in the area of the air guide bag when flowing into the bag through the air guide bag, the rapid expansion of the air guide bag can expand the foaming layer and the tearing line of the seat, the gas outlet direction of the air guide bag continuously keeps the gas flowing direction, and the direction creates conditions for the stable expansion of the subsequent bag. Meanwhile, the preferential expansion of the rear part of the air bag is against the deformed car body or an external invaded object, so that passengers can be protected in advance;
2. the gas generator is inserted into the bag, the gas outlet end of the gas generator is buried in the gas guide bag, and meanwhile, the lower half section of the gas generator presses the bag, so that gas leakage is reduced;
3. the staggered arrangement of the first and second openings, as well as the stitching around the circumference of both, further prevents gas leakage.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of a seat side airbag assembly of the present application;
FIG. 2 is a schematic view of a side airbag assembly of the present application in a deployed, flat configuration;
fig. 3 is a schematic structural view of the second panel of the present application after being folded;
FIG. 4 is a schematic view of an air guide of the present application;
fig. 5 is a schematic structural view of the second folding line with a hollowed-out portion according to the present application;
FIG. 6 is a schematic view of a structure of the application with hollowed-out parts on the folded ends;
FIG. 7 is a schematic view of a seat side airbag apparatus of the present application;
FIG. 8 is a schematic view showing the structure of the airbag device for a seat of the present application deployed on the seat;
fig. 9 is a cross-sectional view of the airbag device of the present application deployed on a seat.
Reference numerals illustrate: 1. a pouch; 11. a first cut-out; 12. a first fold line; 13. a first opening; 14. an inner cloth piece; 15. an outer cloth piece; 2. a gas guiding bag; 21. a second cut piece; 22. a second fold line; 23. a second opening; 24. a turnover end; 25. a fixed end; 26. a first suture; 27. an air guide port; 3. a hollowed-out part; 4. a second suture; 5. a gas generator; 51. bolt holes.
Detailed Description
Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
Other advantages and effects of the present application will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present application with reference to specific examples. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. The application may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present application. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It is noted that various aspects of the embodiments are described below within the scope of the following claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the present disclosure, one skilled in the art will appreciate that one aspect described herein may be implemented independently of any other aspect, and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. In addition, such apparatus may be implemented and/or such methods practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.
It should also be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present application by way of illustration, and only the components related to the present application are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.
In addition, in the following description, specific details are provided in order to provide a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.
Embodiments of the present application provide a seat side airbag assembly.
As shown in fig. 1 and 2, a seat side airbag assembly includes a pocket 1 and a airbag 2, the pocket 1 is formed by relatively folding and sewing edges of a first cut-out piece 11 along a first folding line 12, the airbag 2 is formed by relatively folding and fixing a second cut-out piece 21 fixed on the first cut-out piece 11 along a second folding line 22, the second cut-out piece 21 includes a fixed end 25 fixed on one side of the second folding line 22 and on the other side of the first cut-out piece 11 and a folding end 24, the fixed end 25 and/or the folding end 24 covers both sides of the first folding line 12, and the second folding line 22 intersects with the first folding line 12.
Specifically, the side airbag assembly is mounted on a side of a vehicle seat back adjacent to a door of the vehicle, and in an airbag assembly deployed state, the first fold line 12 extends in a side direction of the vehicle seat back, and the airbag assembly is deployed toward a front of the seat back to protect an occupant. The second panel 21 is folded along the second folding line 22 in such a manner that the second panel 21 is folded in the extending direction of the seat back side edge, which may be understood as that the upper portion of the second panel 21 is folded downward. The space between the end of the folded end 24 and the fixed end 25 of the folded second cut piece 21 forms an air guide opening 27 in the lower part of the air guide bag 2.
The second fold line 22 of the present embodiment perpendicularly intersects the first fold line 12. In other embodiments, the second fold line 22 and the first fold line 12 may intersect at other angles. The air guide bag 2 can be formed with the air guide opening 27.
As shown in fig. 3, the second cut piece 21 is a symmetrical cut piece, the symmetry line of the second cut piece 21 is parallel to the first folding line 12 and perpendicular to the second folding line 22, and two side edges of the folding end 24 along the extending direction of the second folding line 22 are fixed at two sides of the fixed end 25. The two sides of the turnover end 24 and the fixed end 25 are sewn and fixed by stitching, and the space between the stitching on the two sides is used as an air guide port 27 at the lower part of the air guide bag 2. In other embodiments, the second cut-piece may also be an asymmetric cut-piece, i.e. a corresponding air guide bag cut-piece is designed according to the desired flow velocity and flow direction effects.
As shown in fig. 3 to 6, the second cut piece 21 is provided with a hollowed-out portion 3, and the hollowed-out portion 3 is located on the turnover end 24 and/or the second turnover line 22, so that the air guide opening 27 of the air guide bag 2 covers two sides of the bag 1.
Specifically, the second folding line 22 is provided with a hollowed-out part 3, so that the upper part of the folded air guide bag 2 forms an air guide port 27; the folding end 24 and the fixing end 25 close to the second folding line 22 are provided with the same notch to form the hollowed-out part 3, and the notch can be one or more. The hollow part 3 is arranged on the turnover end 24, the air in the air guide bag 2 can flow out of the hollow part 3 on the turnover end 24 besides the air guide opening 27 at the lower part, and a plurality of air guide openings 27 for multi-directional air outlet are formed on the air guide bag 2.
As shown in fig. 3 and 4, both sides of the distal end of the folded-over end 24 in the extending direction of the second fold line 22 are fixed to both sides of the fixed end 25. Only the distal end of the folded end 24 and the fixed end 25 are fixed by the first suture 26, and the side of the folded end 24 close to the second folded line 22 is not sewn, that is, the side of the upper part of the air guide bag 2 is not sewn, so that an air guide port 27 capable of discharging air is formed between the part of the folded end 24 close to the second folded line 22 and the fixed end 25, that is, the air guide port 27 is formed on the upper part of the air guide bag 2. The two sides of the second cut piece 21 are provided with hollowed-out parts 3 which are recessed towards the symmetry line, and the second turning line 22 is positioned on or at the edge of the hollowed-out parts 3. The hollowed-out part 3 is matched with the part of the turnover end 24 which is not sewn, and an air guide opening 27 with more dispersed air outlet directions is formed at the upper part of the air guide bag 2. Specifically, the hollowed-out portion 3 may have an L-shaped, U-shaped or C-shaped structure that is recessed toward the symmetry line. After the air guide bag 2 is folded in half along with the first cut piece 11, the hollowed-out parts 3 on two sides of the folding part form air guide openings 27 corresponding to the outer side and the inner side of the bag 1.
Specifically, the first cut-parts 11 are formed by sewing the peripheral outline after the center of a symmetrical butterfly-shaped cut-part is folded in half, one side close to the passenger is an inner layer cloth piece, and one side close to the vehicle door is an outer layer cloth piece.
As shown in fig. 2 and 3, the first cut-parts 11 are provided with a first opening 13, the second cut-parts 21 are provided with a second opening 23, the first opening 13 and the second opening 23 are used for inserting the gas generator 5 into the bag 1, the air bag assembly is mounted on the seat, the second opening 23 is higher than the first opening 13, the first opening 13 and the second opening 23 are staggered to prevent gas leakage, and the gas generator 5 sequentially passes through the first opening 13 and the second opening 23 to enter the air bag. The fixed end 25 and the first cut-off piece 11 are sewn around the first opening 13 and the second opening 23 by the second sewing thread 4, further improving the effect of preventing the leakage of the gas.
The application also provides a seat side airbag device.
As shown in fig. 1, 7 and 8, a seat side airbag device includes the seat side airbag assembly and the gas generator 5 as described above, the gas outlet end of the gas generator 5 sequentially passes through the first cut piece 11 and the second cut piece 21 to extend into the bag 1, and the gas outlet end of the gas generator 5 is at least partially wrapped by the gas guide bag 2. The gas generator 5 is inserted into the bag 1 through the first opening 13 and the second opening 23 in sequence, the gas outlet end of the gas generator 5 is buried in the gas guide bag 2, and meanwhile, the lower half section of the gas generator 5 presses the gas bag, so that gas leakage is reduced.
The first fold line 12 extends along the side edge of the seat back to divide the first cut-out piece 11 into an inner cloth piece 14 and an outer cloth piece 15, and two bolt holes 51 through which bolts of the gas generator 5 pass are provided in the inner cloth piece 14 and the fixed end 25, and bolts of the gas generator 5 pass through the bolt holes 51 to fix the air bag assembly to the seat frame.
As shown in fig. 9, since the second fold line 22 intersects the first fold line 12, the second fold line 22 of the present application is perpendicular to the first fold line 12, and the airbag device can make the airbag 2 more easily unfolded with a larger width during the unfolding process (it is to be noted that the width refers to the width of the airbag in the vehicle transverse direction); the gas guiding bag 2 is expanded to the maximum width, and the rapid expansion can expand the foaming layer and the seat tearing line, so that the gas outlet direction of the gas guiding bag 2 continuously keeps the gas flowing direction. This orientation allows for stable deployment of the pouch subsequently. At the same time, the preferential expansion of the rear part of the air bag is against the deformed car body or external invaded object, so that passengers can be protected in advance
As shown in fig. 2, the distance between the connecting line of the two bolt holes 51 and the first turning line 12 is 20-30mm, and the second cut piece 21 is symmetrical about the connecting line of the two bolt holes 51, so that the air outlet end of the air generator 5 is positioned in the middle of the air guiding bag 2. The first opening 13 is located below the two bolt holes 51 and the second opening 23 is located between the two bolt holes 51.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present application should be included in the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a seat lateral part air pocket assembly, its characterized in that includes bag and air guide bag, the bag is turned over relatively along first turn-over line and is made up the border and form by first cut-parts, air guide bag is by being fixed second cut-parts on the first cut-parts are turned over relatively along second turn-over line and are formed fixedly, the second cut-parts include second turn-over line one side and fix the stiff end on the first cut-parts with the turn-over end of second turn-over line opposite side, the stiff end and/or turn-over end covers the both sides of first turn-over line, just second turn-over line intersects with first turn-over line, both sides have the fretwork portion of indent to inside on the second cut-parts, the fretwork portion is located on the turn-over end, the cut-part width of fretwork portion place is less than it is relative the cut-off piece width of fretwork portion of turning over end department, the both sides of end along second turn-over line extending direction are fixed in the both sides of stiff end, the fretwork portion forms the air guide mouth that corresponds the turn-over end both sides of turning over the end both sides.
2. The seat side airbag assembly of claim 1, wherein the second fold line perpendicularly intersects the first fold line.
3. The seat side airbag assembly of claim 2, wherein the second panel is a symmetrical panel, a line of symmetry of the second panel is parallel to the first fold line and perpendicular to the second fold line, and the fold ends are secured to the fixed ends on opposite sides of the fixed ends along a direction in which the second fold line extends.
4. A seat side air bag assembly according to any of claims 1-3, wherein a first opening is provided in the first panel and a second opening is provided in the second panel, the first and second openings being for insertion of a gas generator into the air bag assembly, and the second opening being higher than the first opening.
5. The seat side airbag assembly of claim 4, wherein the fixed end and first panel are sewn around the first and second openings.
6. A seat side airbag apparatus comprising a seat side airbag assembly as claimed in any one of claims 1 to 5 and a gas generator, the gas outlet end of the gas generator extending into the pocket through the first and second panels in sequence, the gas outlet end of the gas generator being at least partially enveloped by the gas guide bag, and the gas generator pressing the airbag assembly against the seat.
7. The seat side airbag apparatus according to claim 6, wherein the first fold line extends along the seat back side edge to divide the first cut piece into an inner cloth piece and an outer cloth piece, two bolt holes through which bolts of the gas generator pass are provided on the inner cloth piece and the fixing end, a distance between a connecting line of the two bolt holes and the first fold line is 20-30mm, and the second cut piece is symmetrical about a connecting line of the two bolt holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111403125.5A CN114274911B (en) | 2021-11-24 | 2021-11-24 | Seat side airbag assembly and seat side airbag device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111403125.5A CN114274911B (en) | 2021-11-24 | 2021-11-24 | Seat side airbag assembly and seat side airbag device |
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| Publication Number | Publication Date |
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| CN114274911A CN114274911A (en) | 2022-04-05 |
| CN114274911B true CN114274911B (en) | 2023-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111403125.5A Active CN114274911B (en) | 2021-11-24 | 2021-11-24 | Seat side airbag assembly and seat side airbag device |
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| CN210941681U (en) * | 2019-07-12 | 2020-07-07 | 延锋汽车智能安全***(常熟)有限公司 | Seat side airbag device and air guide bag and air bag assembly thereof |
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| CN112440922A (en) * | 2019-09-04 | 2021-03-05 | 宁波吉利汽车研究开发有限公司 | Far-end protection safety airbag, vehicle seat and vehicle |
| CN113212359A (en) * | 2021-05-14 | 2021-08-06 | 上海东方久乐汽车安全气囊有限公司 | Automobile copilot safety airbag structure with side protection function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014103756B4 (en) * | 2014-03-19 | 2016-03-17 | Autoliv Development Ab | Airbag module with an airbag cover having a mounting opening |
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2021
- 2021-11-24 CN CN202111403125.5A patent/CN114274911B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009035089A (en) * | 2007-08-01 | 2009-02-19 | Toyota Auto Body Co Ltd | Side airbag device of vehicular seat |
| CN105026218A (en) * | 2013-03-07 | 2015-11-04 | Trw汽车股份有限公司 | Airbag and airbag module |
| CN205186072U (en) * | 2015-11-25 | 2016-04-27 | 高田（上海）汽配制造有限公司 | Side airbag with pocket structure |
| CN108891378A (en) * | 2018-08-28 | 2018-11-27 | 延锋百利得（上海）汽车安全***有限公司 | A kind of air bag equipped with guiding device |
| CN210941681U (en) * | 2019-07-12 | 2020-07-07 | 延锋汽车智能安全***(常熟)有限公司 | Seat side airbag device and air guide bag and air bag assembly thereof |
| CN112298090A (en) * | 2019-07-15 | 2021-02-02 | 广州汽车集团股份有限公司 | Side air curtain air bag assembly and side air curtain air bag cut-parts version |
| CN112440922A (en) * | 2019-09-04 | 2021-03-05 | 宁波吉利汽车研究开发有限公司 | Far-end protection safety airbag, vehicle seat and vehicle |
| CN113212359A (en) * | 2021-05-14 | 2021-08-06 | 上海东方久乐汽车安全气囊有限公司 | Automobile copilot safety airbag structure with side protection function |
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| Publication number | Publication date |
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| CN114274911A (en) | 2022-04-05 |
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