CN115320532B - Airbag folding method and airbag device - Google Patents
Airbag folding method and airbag device Download PDFInfo
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- CN115320532B CN115320532B CN202211047664.4A CN202211047664A CN115320532B CN 115320532 B CN115320532 B CN 115320532B CN 202211047664 A CN202211047664 A CN 202211047664A CN 115320532 B CN115320532 B CN 115320532B
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- protection area
- airbag
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- chest
- head
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- 238000000034 method Methods 0.000 title claims abstract description 48
- 210000001015 abdomen Anatomy 0.000 claims abstract description 61
- 238000009958 sewing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000003195 fascia Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/237—Inflatable members characterised by the way they are folded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/237—Inflatable members characterised by the way they are folded
- B60R2021/2375—Folding devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
The application provides an airbag folding method and an airbag device, which are applied to the technical field of automobile passive safety, wherein the airbag folding method comprises the following steps: stacking the head and neck protection areas of the air bags to enable the air bags to be tiled in a two-dimensional plane; the chest and abdomen protection area is folded backwards, so that the upper edge of the chest and abdomen protection area is aligned with the upper edge of the instrument board matching area; after the folded air bag is turned over, the overlapped part of the head and neck protection area and the chest and abdomen protection area is folded forwards; at least one pre-suture line is sewn in the overlapping area of the head and neck protection area, the chest and abdomen protection area and the windshield protection area so as to realize staged deployment in the airbag deployment process; the balloon is pressed into the balloon housing. The passenger airbag is shaped before being unfolded by a folding method, so that each part of the airbag is unfolded in a grading manner in the unfolding process, and the bottom is provided with a concave part matched with the automobile display screen, so that the automobile display screen can be effectively protected in the unfolding process.
Description
Technical Field
The application relates to the technical field of passive safety of automobiles, in particular to an airbag folding method and an airbag device.
Background
Automobile safety air bags are important protection devices in passive safety protection of automobiles, and copilot safety air bags have become standard of automobiles basically. When the co-driver airbag works, the gas charging device charges the airbag, and the airbag is unfolded after charging, so as to protect passengers.
Nowadays, more and more passenger cars require that a display screen is additionally arranged on the front row of the front passenger car, after the front passenger car airbag is unfolded, the concave type arranged on the lower part of the front passenger car airbag is quite common and effective, but because the shape of the front passenger car airbag is shaped after the airbag is unfolded, the display screen is damaged in the airbag unfolding process.
Therefore, a new solution for a passenger airbag is needed.
Disclosure of Invention
In view of this, the embodiments of the present disclosure provide an airbag folding method and an airbag device to solve the technical problem that a passenger airbag damages an automobile display screen mounted on the passenger side during deployment.
The embodiment of the specification provides the following technical scheme:
the embodiment of the present specification provides an airbag folding method, including:
step 1: stacking the head and neck protection areas of the air bags to enable the air bags to be tiled in a two-dimensional plane;
step 2: the chest and abdomen protection area is folded backwards, so that the upper edge of the chest and abdomen protection area is aligned with the upper edge of the instrument board matching area;
Step 3: turning over the folded air bag in the step 2, and then turning over the overlapped part of the head and neck protection area and the chest and abdomen protection area forwards;
Step 4: at least one pre-stitch is sewn in the overlapping area of the head and neck protection area, the chest and abdomen protection area and the windshield protection area, so that the windshield protection area, the head and neck protection area and the chest protection area are expanded in a grading manner in the air bag expanding process;
Step 5: the balloon is pressed into the balloon housing.
Preferably, the windshield protection area is provided with a gas generator mounting hole and a gas discharge hole.
Preferably, step 5 comprises: the folded region of the airbag, which is the region of the airbag where the folding is performed, and the unfolded region of the airbag, which is the region of the airbag where the folding is not performed, are pressed into the airbag case.
Preferably, in step 3, the overlapping portion of the head and neck protecting area and the chest and abdomen protecting area is folded forward, including: the chest and abdomen protection region is folded forward such that the upper edge of the chest and abdomen protection region is aligned with the upper edge of the non-folded region.
Preferably, the height of the non-folded region is determined according to the size of the airbag housing.
Preferably, the air bag is provided with an air vent in a non-occupant protection area, which is an area that contacts an occupant after the air bag is deployed.
Preferably, the pre-stitch line penetrates the overlap region.
Preferably, the head and neck protection area and the chest and abdomen protection area are fully or partially folded.
The present specification embodiment also provides an airbag device including: an air bag, a gas generator and a gas bag housing; the air bag comprises a windshield protection area, a head and neck protection area, a chest and abdomen protection area and side wing parts, is folded by the air bag folding method and then is extruded into the air bag shell, and the gas generator is used for inflating the air bag.
Preferably, in the air bag unfolding process, the air generator firstly inflates the windshield protection area to drive the head and neck protection area, the chest and abdomen protection area is thrown out before the wing parts are unfolded, the chest and abdomen protection area and the wing parts are unfolded while the automobile display screen is crossed, the pre-stitching line penetrates through the air bag unfolding process, the windshield protection area, the head and neck protection area and the chest and abdomen protection area are unfolded in a grading mode, finally the unfolded air bag is shaped, and the lower portion is provided with a concave portion to avoid the automobile display screen.
Compared with the prior art, the beneficial effects that above-mentioned at least one technical scheme that this description embodiment adopted can reach include at least: by adopting the airbag folding method provided by the embodiment of the specification, each part of the airbag on the copilot side is unfolded in a grading manner in the unfolding process, the airbag is shaped by the folding method before being unfolded, and the bottom of the airbag is provided with the concave part matched with the automobile display screen, so that the automobile display screen arranged on the copilot side can be effectively protected in the unfolding process, the unfolding performance of the airbag is met, the impact force of the airbag in the unfolding process is reduced, and the passenger and the components in the automobile are well protected.
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 structural view of a head and neck protection area stack of an airbag according to an embodiment of the present application;
Fig. 2 is a schematic structural view of an airbag according to an embodiment of the present application after a chest and abdomen protecting area is folded;
fig. 3 is a schematic structural view of an airbag according to an embodiment of the present application after an overlapping portion of a head and neck protection area and a chest and abdomen protection area is folded;
fig. 4 is a schematic structural view of an airbag provided with pre-stitching according to an embodiment of the present application.
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, apparatus may be implemented and/or methods practiced using any number and 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 present invention may be practiced without these specific details.
The folding method of the automobile safety airbag has great influence on the unfolding effect, and the airbag of the safety airbag can achieve better protection effect only by being clung to the instrument board and the display screen. However, the current method for folding the airbag for the copilot cannot well solve the technical problem that the airbag may damage the display screen in the production and deployment process after the display screen is arranged at the copilot position.
Based on this, the embodiment of the present specification proposes a processing scheme: the plurality of areas of the copilot airbag are folded according to the folding mode of the embodiment of the specification, when the airbag is unfolded, the plurality of areas are unfolded in a grading mode, damage to an automobile display screen in the unfolding process of the airbag can be effectively avoided, and the bottom of the airbag is provided with the concave part matched with the automobile display screen, so that the display screen can be well protected.
The following describes the technical scheme provided by each embodiment of the present application with reference to the accompanying drawings.
The embodiment of the present specification provides an airbag folding method, including:
step 1: and stacking the head and neck protection areas of the air bags, so that the air bags are tiled in a two-dimensional plane.
Specifically, as shown in fig. 1, the head and neck protection area of the airbag is stacked with the chest and abdomen protection area and the windshield protection area of the airbag, so that the airbag is tiled in a two-dimensional plane, and the airbag of the airbag is in a tiled two-dimensional state. In the present embodiment, the front face of the airbag is considered as shown in fig. 1.
Wherein, the shape obtained after stacking is shown in fig. 1, the flank portions of the airbag are distributed on the head and neck protecting region and the windshield protecting region, and the upper edges of the flank portions are aligned with the upper edges of the head and neck protecting region, and the lower edges of the flank portions are aligned with the lower edges of the windshield protecting region. After the head and neck protection areas are stacked, the head and neck protection areas are distributed in the chest and abdomen protection areas, the lower edges of the head and neck protection areas are overlapped with the lower edges of the chest and abdomen protection areas, and the upper edges of the head and neck protection areas are located in the chest and abdomen protection areas and aligned with the upper edges of the side wing parts.
Step 2: the chest and abdomen protection area is folded backwards, so that the upper edge of the chest and abdomen protection area is aligned with the upper edge of the instrument board matching area.
Specifically, as shown in fig. 2, after the airbag is stacked on the two-dimensional plane, the chest and abdomen protection region is folded back so that the upper edge of the chest and abdomen protection region is aligned with the upper edge of the instrument panel fitting region, and the airbag is folded back so that the front surface of the airbag faces back and the back surface faces upward. Wherein the fascia engaging area is positioned on the back of the windshield protective area.
Wherein, be provided with gas generator mounting hole and exhaust hole in windscreen protection region, the exhaust hole distributes in the both sides of gas generator mounting hole. The vent hole is provided in a non-occupant protection region of the airbag, which is a region that contacts the occupant after the airbag is deployed, and which protects the head of the occupant during deployment of the airbag.
Step 3: and (3) turning over the folded air bag in the step (2), and then turning over the overlapped part of the head and neck protection area and the chest and abdomen protection area forwards.
Specifically, as shown in fig. 3, after the chest and abdomen protection region is turned back in step 2, the airbag is turned over so that the back surface of the airbag faces upward and the front surface faces downward, and then the overlapping portion of the head and neck protection region and the chest and abdomen protection region is turned forward along the lower edge of the head and neck protection region.
The folding manner of the head and neck protection area and the chest and abdomen protection area is not limited in the embodiments of the present disclosure, and the head and neck protection area and the chest and abdomen protection area are all or partially folded by way of example.
Further, in the embodiment of the present specification, the overlapping portion of the head-neck protecting region and the chest-abdomen protecting region is folded forward, including: the chest and abdomen protection region is folded forward such that the upper edge of the chest and abdomen protection region is aligned with the upper edge of the non-folded region.
Wherein the folded region refers to a portion that is not folded in the embodiment of the present specification.
Step 4: at least one pre-stitch is sewn in the overlapping area of the head and neck protection area, the chest and abdomen protection area and the windshield protection area, so that the windshield protection area, the head and neck protection area and the chest protection area are expanded in a grading manner in the airbag expanding process.
Specifically, as shown in fig. 4, one or more pre-stitching lines are sewn at any position within the outer surface range of the multi-layer folding region, and the pre-stitching lines penetrate all the folding layers from top to bottom, wherein the multi-layer folding region is an overlapping region of the head and neck region, the chest and abdomen region and the windshield region during folding, the airbag can keep a folding form by arranging the pre-stitching lines, and the windshield region, the head and neck region and the chest region during airbag unfolding can be unfolded in a grading manner.
In the present embodiment the pre-stitch line extends through the overlap region.
Step 5: the balloon is pressed into the balloon housing.
Specifically, step 5 includes: the folded region of the airbag, which is the region of the airbag where the folding is performed, and the unfolded region of the airbag, which is the region of the airbag where the folding is not performed, are pressed into the airbag case.
Wherein the height of the non-folded region is determined according to the size of the airbag housing.
The present specification embodiment also provides an airbag device including: an air bag, a gas generator and a gas bag housing; the air bag comprises a windshield protection area, a head and neck protection area, a chest and abdomen protection area and side wing parts, is folded by the air bag folding method and then is extruded into the air bag shell, and the gas generator is used for inflating the air bag.
The safety air bag comprises a safety air bag, a head and neck protection area, a chest and abdomen protection area, a shoulder and abdomen protection area, a head and neck protection area, a chest and abdomen protection area, a shoulder and abdomen protection area, a front side wing and a shoulder, wherein the head and neck protection area is inflated by an air generator in the air bag unfolding process, the chest and abdomen protection area is thrown out before the shoulder and abdomen protection area is not unfolded, the chest and abdomen protection area and the shoulder and the abdomen protection area are unfolded while the automobile display screen is crossed, the front side wing and the shoulder and the abdomen protection area are inflated in a grading manner in the air bag unfolding process by a pre-stitching line, the air bag is finally unfolded, and the lower part is provided with a concave part, so that the automobile display screen can be avoided.
The airbag folding method provided by the embodiment of the specification can ensure the safety of the airbag unfolding process and the passing of the display screen arranged on the copilot side.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment focuses on differences from other embodiments. In particular, for the product embodiments described later, since they correspond to the methods, the description is relatively simple, and reference is made to the description of parts of the system embodiments.
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 (10)
1. A method of folding an airbag, comprising:
Step 1: stacking the head and neck protection area of the air bag with the chest and abdomen protection area and the windshield protection area of the air bag to enable the air bag to be tiled in a two-dimensional plane,
The side wing parts of the safety airbag are distributed on the head and neck protection area and the windshield protection area, the upper edges of the side wing parts are aligned with the upper edges of the head and neck protection area, the lower edges of the side wing parts are aligned with the lower edges of the windshield protection area, the side wing parts are distributed inside the chest and abdomen protection area after being stacked, the lower edges of the head and neck protection area are overlapped with the lower edges of the chest and abdomen protection area, and the upper edges of the head and neck protection area are positioned inside the chest and abdomen protection area and aligned with the upper edges of the side wing parts;
Step 2: the chest and abdomen protection area is folded backwards, the upper edge of the chest and abdomen protection area is aligned with the upper edge of the instrument board matching area, the safety air bag is folded, the front surface of the safety air bag faces backwards, the back surface of the safety air bag faces upwards, and the instrument board matching area is positioned on the back surface of the windshield protection area;
Step 3: after the air bag turned over in the step 2 is turned over, the overlapped part of the head and neck protecting area and the chest and abdomen protecting area is turned over forwards along the lower edge of the head and neck protecting area;
Step 4: sewing at least one pre-stitch line in the overlapping area of the head and neck protection area, the chest and abdomen protection area and the windshield protection area so as to realize staged deployment of the windshield protection area, the head and neck protection area and the chest protection area in the airbag deployment process;
Step 5: the balloon is pressed into the balloon housing.
2. The airbag folding method according to claim 1, characterized in that a gas generator mounting hole and a gas discharge hole are provided in the windshield protection area.
3. The airbag folding method according to claim 1, characterized in that the step 5 includes: and extruding a folding area and an unfolding area of the air bag into the air bag shell, wherein the folding area refers to an area where folding is performed in the air bag, and the unfolding area refers to an area where folding is not performed in the air bag.
4. The airbag folding method according to claim 3, wherein the step 3 of folding forward the overlapping portion of the head and neck protecting region and the chest and abdomen protecting region includes: and folding the chest and abdomen protection region forward so that the upper edge of the chest and abdomen protection region is aligned with the upper edge of the non-folding region.
5. The airbag folding method according to claim 4, wherein the height of the non-folding area is determined according to the size of the airbag housing.
6. The method according to any one of claims 1 to 5, wherein an exhaust hole is provided in a non-occupant protection area of the airbag, the occupant protection area being an area that contacts an occupant after the airbag is deployed.
7. The airbag folding method of claim 1 wherein the pre-stitch line penetrates the overlap region.
8. The airbag folding method according to claim 1, characterized in that the head and neck protecting region and the chest and abdomen protecting region are fully or partially folded.
9. An airbag device comprising: an air bag, a gas generator and a gas bag housing; the air bag comprises a windshield protection area, a head and neck protection area, a chest and abdomen protection area and a side wing part, and is characterized in that the air bag is folded by the airbag folding method according to any one of claims 1-8 and then is extruded into the airbag shell, and the gas generator is used for inflating the airbag.
10. The airbag device according to claim 9, wherein the gas generator inflates the windshield protection area to drive the head and neck protection area during the airbag deployment process, throws the chest and abdomen protection area out before the wing parts are not deployed, deploys the chest and abdomen protection area and the wing parts while crossing the automobile display screen, and the pre-stitching line penetrates through the airbag deployment process to stage the windshield protection area, the head and neck protection area and the chest and abdomen protection area during the airbag deployment process, and finally deploys the airbag in a shape of a concave part is arranged at the lower part to avoid the automobile display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211047664.4A CN115320532B (en) | 2022-08-30 | 2022-08-30 | Airbag folding method and airbag device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211047664.4A CN115320532B (en) | 2022-08-30 | 2022-08-30 | Airbag folding method and airbag device |
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| Publication Number | Publication Date |
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| CN115320532A CN115320532A (en) | 2022-11-11 |
| CN115320532B true CN115320532B (en) | 2024-06-18 |
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| CN202211047664.4A Active CN115320532B (en) | 2022-08-30 | 2022-08-30 | Airbag folding method and airbag device |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113752977A (en) * | 2020-06-03 | 2021-12-07 | 宁波均胜汽车安全系统有限公司 | Method for folding an airbag and airbag arrangement |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3967913B2 (en) * | 2001-12-11 | 2007-08-29 | 日本プラスト株式会社 | Air bag, air bag device, and air bag folding method |
| JP4909556B2 (en) * | 2005-10-04 | 2012-04-04 | 日本プラスト株式会社 | Airbag |
| US8678430B2 (en) * | 2011-06-24 | 2014-03-25 | Takata Corporation | Airbag device and airbag folding method |
| KR101884445B1 (en) * | 2011-10-10 | 2018-08-02 | 현대모비스 주식회사 | Passenger airbag cushion and method for folding passenger airbag cushion |
| JP5909130B2 (en) * | 2012-03-28 | 2016-04-26 | タカタ株式会社 | How to fold and store a knee airbag |
| JP2014019297A (en) * | 2012-07-18 | 2014-02-03 | Nippon Plast Co Ltd | Air bag folding method and air bag |
| KR101936859B1 (en) * | 2012-07-27 | 2019-01-09 | 현대모비스 주식회사 | Method for folding the air-bag cushion |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113752977A (en) * | 2020-06-03 | 2021-12-07 | 宁波均胜汽车安全系统有限公司 | Method for folding an airbag and airbag arrangement |
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