CN217435673U - Airbag device and assembly - Google Patents
Airbag device and assembly Download PDFInfo
- Publication number
- CN217435673U CN217435673U CN202220723189.7U CN202220723189U CN217435673U CN 217435673 U CN217435673 U CN 217435673U CN 202220723189 U CN202220723189 U CN 202220723189U CN 217435673 U CN217435673 U CN 217435673U
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- CN
- China
- Prior art keywords
- airbag
- seat
- flexible
- webbing
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- B60R21/18—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags the inflatable member formed as a belt or harness or combined with a belt or harness arrangement
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- 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
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/207—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle seats
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- 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
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/233—Inflatable members characterised by their shape, construction or spatial configuration comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other
Abstract
The utility model relates to an air bag device and subassembly. The airbag device includes an airbag having a stored state and a deployed state, and being stored in a flexible storage portion when the airbag is in the stored state, wherein a force weak area is provided on a surface of the flexible storage portion, and webbing is provided at opposing first and second sides of the flexible storage portion, respectively, and a gas generator for inflating the airbag under a predetermined condition such that the airbag is deployed to an outside of the flexible storage portion via the force weak area is provided at a third side connecting the first and second sides, and the flexible storage portions are arranged in pairs and connected to each other via a connecting member.
Description
Technical Field
The present invention relates to vehicle safety devices, and in particular, to airbag devices and assemblies.
Background
A wide variety of safety devices are widely used in existing vehicles to protect occupants, and common safety devices include a seat belt and an airbag.
The seat belt, which may be called a seat belt, restrains an occupant at the time of a collision, and prevents the occupant from making a secondary collision with a steering wheel, an instrument panel, or the like at the time of a collision or from being crashed by the occupant being blown out of the vehicle at the time of a collision. Such a seat belt as a passenger restraint device is recognized as the cheapest and most effective safety device, and many countries are forced to equip the vehicle with the seat belt.
And, the airbag includes, for example, an airbag disposed in a steering wheel, an airbag disposed in an instrument panel, and an overhead airbag disposed in a roof of a vehicle. When a vehicle is collided or impacted, the gas generator of the airbag receives a signal transmitted through a wire harness connected to the gas generator, and thus, a burst occurs. The gas generated by the explosion will then rapidly inflate the folded bag of the airbag, and the inflated bag expands to protect the occupant from injury from impact.
In view of the fact that the individual safety devices can only be optimally protected when operating simultaneously, it is therefore desirable to provide a safety device with integrated multiple protection functions.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an integrated air bag device and subassembly that has a plurality of protect function.
An aspect of the present invention provides an airbag device including an air bag having a stored state and a deployed state, and a flexible accommodating portion in which the air bag is accommodated when the air bag is in the stored state,
wherein the content of the first and second substances,
a force weakening area is provided on a surface of the flexible receiving portion, and webbing is provided at opposite first and second sides of the flexible receiving portion, respectively, and a gas generator is provided at a third side connecting the first and second sides, for inflating the gas bag under a predetermined condition such that the gas bag deploys toward an outside of the flexible receiving portion via the force weakening area, and,
the flexible receptacles are arranged in pairs and are connected to each other via a connecting piece.
According to an embodiment of the invention, in the deployed state, the air bag comprises a main chamber and an upper chamber located above it and a lower chamber located below it, the main chamber, the upper chamber and the lower chamber being in fluid communication with each other.
According to an embodiment of the present invention, a drawstring is provided in the air pocket, and one end of the drawstring is fixed to the inner side of the main chamber, and the other end of the drawstring is fixed to the inner side of the upper chamber.
According to an embodiment of the invention, the force weakening zone is provided as a tear line.
According to an embodiment of the invention, the connecting piece is arranged as a zipper.
According to the utility model discloses an embodiment, be provided with the sensor on the zip fastener in order to be used for detecting that the air bag device is whether correctly dressed.
According to an embodiment of the invention, the predetermined condition comprises a side impact when the vehicle speed is greater than 60km/h or a head-on impact when the vehicle speed is greater than 50km/h or a head-on offset impact when the vehicle speed is greater than 64 km/h.
Another aspect of the present invention provides an airbag module including a seat and an airbag device fixed to the seat, wherein the airbag device includes an airbag having a stored state and a deployed state, and a flexible accommodating portion in which the airbag is accommodated when the airbag is in the stored state,
wherein the content of the first and second substances,
a force-weakened area is provided on a surface of the flexible accommodating portion, and webbing is provided at opposite first and second sides of the flexible accommodating portion, respectively, and a gas generator is provided at a third side connecting the first and second sides, for inflating the air bag under a predetermined condition such that the air bag is deployed to an outside of the flexible accommodating portion via the force-weakened area to protect an occupant seated on the seat, and
the flexible receptacles are arranged in pairs and are connected via connectors,
the flexible receiving portion is fixed to a back rest and a seat cushion of the seat via the webbing on both sides, respectively, and at least a portion of the third side is fixed to the seat such that a first opening is formed between the flexible receiving portion and the back rest and a second opening is formed between the flexible receiving portion and the seat cushion.
According to the utility model discloses an embodiment, be fixed with on the seat frame of seat and be used for the roll-up the coiler of meshbelt.
According to an embodiment of the invention, in the deployed state, the air pocket comprises a main chamber and an upper chamber located above it and a lower chamber located below it, the upper chamber the main chamber and the lower chamber being respectively used for protecting the head, the chest and the abdomen of the passenger on the seat.
According to an embodiment of the present invention, the retractor is provided to have a function of pre-tightening the webbing under the predetermined condition.
According to an embodiment of the invention, the gas generator is fixed together with the gas bag via a clamp and, via a fixing bracket, to the seat frame of the seat.
Drawings
Features, advantages and technical effects of exemplary embodiments of the present invention will be described below with reference to the accompanying drawings. In the drawings, like numbering represents like elements, and wherein:
figure 1 schematically shows a schematic view of an airbag module according to an embodiment of the invention in a first state.
Figure 2 schematically illustrates a schematic view of an airbag module according to an embodiment of the invention in a second state.
Detailed Description
Specific embodiments of airbag devices and assemblies according to the present invention will be described below with reference to the accompanying drawings. The following detailed description and drawings are included to illustrate the principles of the invention, and the invention is not limited to the preferred embodiments described, but rather, the various embodiments described may be used alone or in any combination, and the scope of the invention is defined by the claims.
In addition, spatially relative terms (such as "upper," "lower," "left," and "right," etc.) are used to describe one element's relative positional relationship with another element as illustrated in the figures. Spatially relative terms may therefore apply in other orientations than those illustrated in the figures, when used. It will be apparent that although for ease of illustration all of these spatially relative terms refer to the orientation shown in the drawings, those skilled in the art will appreciate that orientations other than those shown in the drawings may be used.
Figure 1 schematically shows a schematic view of an airbag module according to an embodiment of the invention in a first state. Figure 2 schematically illustrates a schematic view of an airbag module according to an embodiment of the invention in a second state. An airbag module according to an embodiment of the present invention is described below with reference to fig. 1 and 2.
As shown in fig. 1 and 2, the airbag module 1 according to the present invention includes a seat 10 and an airbag device 20 fixed to the seat 10, and therefore, the airbag device 20 of the present invention is not detachable after being fixed to the seat 10, in other words, the airbag device 20 and the seat 10 are connected to each other in a non-detachable manner. It will be appreciated that the non-releasable connection between the air-bag unit and the seat ensures that the connection between the two is very secure and not easily damaged, which is advantageous in ensuring that the air-bag unit provides reliable protection for the occupant of the seat. The airbag device and the seat are described in more detail below.
Specifically, the airbag device 20 of the present invention includes an airbag 30 (which is shown in fig. 2) and a flexible container 21 (which is shown in fig. 1), the flexible container 21 being arranged in pairs and both being connected via a connecting member 40 (e.g., a zipper). As can be seen from fig. 1 and 2, the flexible receiving portions 21 arranged in pairs are disposed side by side left to right in the width direction of the seat 10 (i.e., the width direction of the vehicle), and can be connected together via the connecting piece 40. Furthermore, in consideration of the comfort of the passenger, the accommodating portion in the present invention is limited to the flexible accommodating portion 21 so as to be flexibly fitted to the passenger. The following description will be made mainly with reference to the drawings of the left-hand flexible housing portion 21 in the drawings, which is identical to the left-hand flexible housing portion, and therefore the description with reference to the left-hand flexible housing portion is equally applicable to the right-hand flexible housing portion.
And, as shown in fig. 1 and 2, the airbag 30 has a stored state and an expanded state. Specifically, the airbag module being in the first state refers to a housed state of the airbag, and the airbag module being in the second state refers to a deployed state of the airbag. Accordingly, also, fig. 1 shows a schematic view of the airbag 30 in the stored state, as shown in fig. 1, being accommodated in the flexible accommodating section 21 when the airbag 30 is in the stored state. Fig. 2 shows a schematic view of the airbag 30 in a deployed state, which is located on the front side of the occupant, i.e., between the occupant and the instrument panel and windshield, as shown in fig. 2, to protect the occupant from injury due to impact. As shown in fig. 1 and 2, a force weak area 211 is provided on the surface of the flexible accommodating portion 21, and when the airbag 30 inflates, it continues to apply force to the force weak area 211 until the area is broken to open, and is deployed from the force weak area 211 to the outside of the flexible accommodating portion 21 to protect an occupant seated on the seat 10.
As shown in fig. 1, the webbing 22, i.e., the upper webbing 22 located near the shoulder portion of the occupant and the webbing 22 located at the lower portion of the lower limb of the occupant, are respectively provided at the opposite first side 21A (upper side in the drawing) and second side 21B (lower side in the drawing) of the flexible accommodating portion 21, and one end of the upper webbing 22 is fixedly connected with the flexible accommodating portion 21, and the other end of the upper webbing 22 is fixed to a retractor fixed at a seat frame of the seat 10 so that the webbing 22 can be wound onto or pulled out of the retractor, and one end of the lower webbing 22 is similarly fixedly connected with the accommodating portion 21 and the other end thereof is fixed to the seat cushion 12 of the seat 10. Therefore, the flexible accommodating portions 21 are fixed to the backrest 11 and the seat cushion 12 of the seat 10 via the webbing 22 on both sides, respectively. And, at a third side connecting the first and second sides 21A and 21B, i.e., a side close to and at least partially fixed to the backrest 11, there is provided a gas generator (not shown) for inflating the airbag 30 under a predetermined condition such that the airbag 30 is inflated and deployed to the outside of the flexible accommodation portion 21 via the force weak area 211. As can be clearly seen in conjunction with fig. 1 and 2, a first opening is formed between the backrest 11 of the seat 10 and the flexible receiving portion 21 (including the webbing 22 fixed at the first side 21A thereof), through which the upper limbs of the occupant can pass, and a second opening is formed between the flexible receiving portion 21 (including the webbing 22 fixed at the second side 21B thereof) and the seat cushion 12 of the seat 10, through which the lower limbs of the occupant can pass. Therefore, the airbag device 20 of the present invention can be worn by the occupant in the manner of a "jacket". Specifically, when the connecting member 40 does not connect the paired flexible accommodating portions 21 together, the passenger sits on the seat, passes the two upper limbs through the first openings on both sides of the backrest 11 of the seat 10, respectively, and then connects the paired flexible accommodating portions 21 together using the connecting member 40, while the lower limbs of the passenger are located at the second openings. Therefore, the airbag device of the utility model can be used in a way similar to a wearing jacket, and the using method is simple and the operation is convenient.
As shown in fig. 2, in the deployed state, the airbag 30 includes a main chamber 31 and an upper chamber 32 located thereabove and a lower chamber 33 located therebelow, the three chambers being respectively for protecting the head, chest and abdomen of the occupant, in one example, the main chamber 31, the upper chamber 32 and the lower chamber 33 being in fluid communication with each other. And, in another example, a pulling tape (not shown) for defining a shape of the airbag 30 when deployed is provided in the airbag 30, and one end of the pulling tape is fixed to an inner side of the main chamber 31 and the other end of the pulling tape is fixed to an inner side of the upper chamber 32 to control a thickness of the airbag 30 at the upper chamber 32 and the main chamber 31.
Therefore, in the airbag device and the airbag module of the present invention, a plurality of protection functions are integrated, that is, a seat belt function is provided by providing a webbing for restraining the passenger in a collision, and a secondary collision between the passenger and a steering wheel, an instrument panel, or the like in a collision is avoided, or a crash injury caused by the passenger rushing out of the vehicle in a collision is avoided; and provides an airbag function, when the vehicle is collided or impacted, the airbag is quickly inflated, and the inflated airbag is expanded, so as to protect the passenger from being injured by the impact. Furthermore, the airbag device and assembly of the present invention can provide reliable protection at all angles of the backrest relative to the seat cushion because the airbag and seat belt are integrated together to move relative to the seat cushion with the backrest of the seat, and therefore, the airbag device can always keep moving in synchronization with the occupant of the seat to ensure that the relative position (including distance and angle) with the occupant remains unchanged. In contrast, the conventional passenger airbag, which is generally installed in an instrument panel, has a risk of not protecting the passenger due to being too far away from the passenger when deployed, when the backrest of the seat in which the passenger is seated is adjusted to a maximum adjustable angle with respect to the seat cushion.
As an embodiment of the invention, the force weakening is provided as a tear line.
As an embodiment of the present invention, the coupling member is described above as a zipper. Of course this is merely an example and the attachment means may also be in other forms, for example a button.
As the embodiment of the utility model discloses, be provided with the sensor on the zip fastener in order to be used for detecting whether the air bag device is correctly dressed. Alternatively, the slide fastener can emit an alarm sound when not being worn correctly to remind the passenger of wearing the airbag device.
As an embodiment of the present invention, the retractor is provided with a function of pre-tightening the webbing under the predetermined condition. That is, such arrangement of the retractor makes the webbing a pretensioned type webbing that can be tightened when, for example, the vehicle speed is abruptly changed, strengthens the restraining force on the passenger, and locks the webbing to prevent the body of the passenger from leaning forward, effectively protecting the safety of the passenger.
As an embodiment of the utility model, the predetermined condition includes that the side collision takes place when the speed of a motor vehicle is greater than 60km/h or the head-on collision takes place when the speed of a motor vehicle is greater than 50km/h or the head-on offset collision takes place when the speed of a motor vehicle is greater than 64 km/h.
As an embodiment of the invention, the gas generator is fixed together with the gas bag via a clamp and, via a fixing bracket, to the seat frame of the seat.
As described above, although the exemplary embodiments of the present invention have been described in the description with reference to the drawings, the present invention is not limited to the above-described embodiments, and the scope of the present invention should be defined by the claims and their equivalents.
Claims (12)
1. An airbag device (20) comprising an airbag (30) and a flexible housing (21), the airbag (30) having a stowed state and a deployed state, the airbag (30) being housed in the flexible housing (21) when in the stowed state,
it is characterized in that the preparation method is characterized in that,
a force-weakening region (211) is provided on a surface of the flexible accommodating portion (21), and webbing (22) is provided at opposite first and second sides (21A, 21B) of the flexible accommodating portion (21), respectively, and a gas generator for inflating the airbag (30) under a predetermined condition such that the airbag (30) is deployed to the outside of the flexible accommodating portion (21) via the force-weakening region (211) is provided at a third side connecting the first and second sides (21A, 21B), and,
the flexible receptacles (21) are arranged in pairs and are connected to one another via a connecting piece (40).
2. The airbag device (20) of claim 1 wherein, in a deployed state, the airbag (30) includes a main chamber (31) and an upper chamber (32) above and a lower chamber (33) below, the main chamber (31), the upper chamber (32) and the lower chamber (33) being in fluid communication with one another.
3. The airbag device (20) according to claim 2, wherein a draw tape is provided in the bag (30), and one end of the draw tape is fixed to an inner side of the main chamber (31), and the other end of the draw tape is fixed to an inner side of the upper chamber (32).
4. The airbag device (20) of claim 1 wherein the force weakness (211) is provided as a tear line.
5. The airbag device (20) of claim 1 wherein the connector (40) is provided as a zipper.
6. An airbag arrangement (20) as claimed in claim 5 wherein a sensor is provided on the zipper for detecting whether the airbag arrangement is being worn correctly.
7. The airbag device (20) according to claim 1, wherein the predetermined condition includes a side collision at a vehicle speed of more than 60km/h or a head-on collision at a vehicle speed of more than 50km/h or a head-on offset collision at a vehicle speed of more than 64 km/h.
8. An airbag module (1) comprising a seat (10) and an airbag device (20) fixed to the seat (10), wherein the airbag device (20) comprises an airbag (30) and a flexible accommodation portion (21), the airbag (30) having a stowed state and a deployed state, the airbag (30) being accommodated in the flexible accommodation portion (21) when in the stowed state,
it is characterized in that the preparation method is characterized in that,
a force weak area (211) is provided on a surface of the flexible accommodating portion (21), and webbing (22) is provided at opposite first and second sides (21A, 21B) of the flexible accommodating portion (21), respectively, and a gas generator for inflating the airbag (30) under a predetermined condition is provided at a third side connecting the first and second sides (21A, 21B) such that the airbag (30) is deployed to the outside of the flexible accommodating portion (21) via the force weak area (211) to protect an occupant seated on the seat (10),
the flexible receptacles (21) are arranged in pairs and are connected to one another via a connecting piece (40), an
The flexible container (21) is fixed to a backrest (11) and a seat cushion (12) of the seat (10) via the webbing (22) on both sides, respectively, and at least a portion of the third side is fixed to the seat (10) such that a first opening is formed between the flexible container (21) and the backrest (11) and a second opening is formed between the flexible container (21) and the seat cushion (12).
9. The airbag module (1) according to claim 8, wherein a retractor for retracting the webbing (22) is fixed to a seat frame of the seat (10).
10. The airbag module (1) according to claim 8, wherein in the deployed state the gas bag (30) comprises a main chamber (31) and an upper chamber (32) above it and a lower chamber (33) below it, the upper chamber (32), the main chamber (31) and the lower chamber (33) being intended to protect the head, the thorax and the abdomen, respectively, of a passenger seated on the seat (10).
11. The airbag assembly (1) according to claim 9, wherein the retractor is provided with a function of pre-tightening the webbing (22) under the predetermined condition.
12. The airbag module (1) according to claim 9, wherein the gas generator and the gas bag (30) are fixed together via a clip and via a fixing bracket to a seat frame of the seat (10).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220723189.7U CN217435673U (en) | 2022-03-30 | 2022-03-30 | Airbag device and assembly |
| PCT/CN2022/132266 WO2023185000A1 (en) | 2022-03-30 | 2022-11-16 | Airbag device and assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220723189.7U CN217435673U (en) | 2022-03-30 | 2022-03-30 | Airbag device and assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217435673U true CN217435673U (en) | 2022-09-16 |
Family
ID=83215479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220723189.7U Active CN217435673U (en) | 2022-03-30 | 2022-03-30 | Airbag device and assembly |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN217435673U (en) |
| WO (1) | WO2023185000A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023185000A1 (en) * | 2022-03-30 | 2023-10-05 | 奥托立夫开发公司 | Airbag device and assembly |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3865398A (en) * | 1973-02-05 | 1975-02-11 | Toni Woll | Expandable crash-restraining means |
| US6820902B2 (en) * | 2000-09-29 | 2004-11-23 | Hyun S. Kim | Supplemental restraint system |
| JP4453480B2 (en) * | 2004-08-09 | 2010-04-21 | 日産自動車株式会社 | Occupant protection device and occupant protection method |
| JP4986808B2 (en) * | 2007-04-27 | 2012-07-25 | タカタ株式会社 | Seat belt device |
| US20200254953A1 (en) * | 2019-02-08 | 2020-08-13 | Indiana Mills & Manufacturing, Inc. | Modular restraint seat for vehicle with one or more integrated safety features |
| EP3696028B1 (en) * | 2019-02-15 | 2021-06-23 | Autoliv Development AB | Occupant restraint system |
| CN217435673U (en) * | 2022-03-30 | 2022-09-16 | 奥托立夫开发公司 | Airbag device and assembly |
-
2022
- 2022-03-30 CN CN202220723189.7U patent/CN217435673U/en active Active
- 2022-11-16 WO PCT/CN2022/132266 patent/WO2023185000A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023185000A1 (en) * | 2022-03-30 | 2023-10-05 | 奥托立夫开发公司 | Airbag device and assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023185000A1 (en) | 2023-10-05 |
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