JP2001138848A - Air bag - Google Patents
Air bagInfo
- Publication number
- JP2001138848A JP2001138848A JP32291499A JP32291499A JP2001138848A JP 2001138848 A JP2001138848 A JP 2001138848A JP 32291499 A JP32291499 A JP 32291499A JP 32291499 A JP32291499 A JP 32291499A JP 2001138848 A JP2001138848 A JP 2001138848A
- Authority
- JP
- Japan
- Prior art keywords
- panel
- airbag
- extension
- panels
- extending
- 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.)
- Granted
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 2
- 238000009958 sewing Methods 0.000 abstract description 6
- 239000004744 fabric Substances 0.000 abstract 1
- 210000003127 knee Anatomy 0.000 description 2
- 210000002414 leg Anatomy 0.000 description 1
Landscapes
- Air Bags (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は車両の衝突時等に助
手席又は後席乗員を保護するためのエアバッグ装置のエ
アバッグに係り、特に２枚のパネルの周縁部同士を接
合、例えば縫合してなるエアバッグに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an airbag of an airbag device for protecting a passenger seat or a rear seat occupant in the event of a collision of a vehicle or the like, and more particularly, to joining peripheral parts of two panels together, for example, by sewing. Related to airbags.
【０００２】[0002]
【従来の技術】２枚のパネルの周縁部同士を接合、例え
ば縫合してなるエアバッグの従来例（特開平７−１２５
５９２号）について第５，６図を参照して説明する。2. Description of the Related Art A conventional example of an airbag in which the peripheral portions of two panels are joined together, for example, by stitching (Japanese Patent Laid-Open No. 7-125).
592) will be described with reference to FIGS.
【０００３】このエアバッグ１は、下側のロワーパネル
２と上側のアッパーパネル３との２枚の布を縫い合わせ
て袋形状としたものである。ロワーパネル２には、イン
フレータからのガスを受け入れるための開口４と、ベン
トホール５とが設けられている。この開口４の周縁部に
設けられたフラップ６がエアバッグ装置のケース（図示
略）に連結される。これらのフラップ６には、リベット
やボルトを通すための孔７が設けられている。The airbag 1 is formed by sewing two cloths, a lower panel 2 and an upper panel 3, to form a bag. The lower panel 2 is provided with an opening 4 for receiving gas from the inflator and a vent hole 5. A flap 6 provided at a peripheral portion of the opening 4 is connected to a case (not shown) of the airbag device. These flaps 6 are provided with holes 7 for passing rivets and bolts.
【０００４】このパネル２，３は、例えば、縫製機の作
業台の上において重ね合わされ、パネル２，３の周縁部
が糸８でしっかりと縫い合わされる。The panels 2 and 3 are overlaid on, for example, a work table of a sewing machine, and the peripheral portions of the panels 2 and 3 are stitched firmly with a thread 8.
【０００５】このエアバッグは折り畳まれてエアバッグ
装置のケース内に収容され、ケースリッドが装着され
る。[0005] The airbag is folded and accommodated in a case of an airbag device, and a case lid is mounted.
【０００６】このように構成されたエアバッグを有する
エアバッグ装置を搭載した自動車が衝突すると、インフ
レータがガスを噴出し、エアバッグ１が展開する。展開
するエアバッグに押圧されることにより、リッドが車両
室内側に開き、エアバッグ１が車両室内２４内に送り出
される。そして、第５，６図に示される通り、膨張す
る。When an automobile equipped with an airbag device having an airbag constructed as described above collides, an inflator blows out gas and the airbag 1 is deployed. By being pressed by the deploying airbag, the lid opens toward the vehicle interior, and the airbag 1 is sent out into the vehicle interior 24. Then, as shown in FIGS.
【０００７】２枚のパネルよりなるエアバッグの別の従
来例として、ロワーパネルに延出部を設け、乗員の膝を
十分に保護するようにしたエアバッグが特開平７−３２
９６８５号に記載されている。第７，８図はこの特開平
７−３２９６８５号のエアバッグ１Ａを示すものであ
る。ロワーパネル２Ａの一部を外方に延出させることに
より延出部９を設け、この延出部９の側辺を糸９ａで縫
合して封じている。このエアバッグ１Ａのその他の構成
は第５〜６図のエアバッグ１と同一であり、同一部分に
同一符号を付してその説明を省略する。As another conventional example of an airbag having two panels, Japanese Patent Laid-Open No. Hei 7-32 discloses an airbag in which a lower panel is provided with an extended portion to sufficiently protect the occupant's knee.
No. 9885. FIGS. 7 and 8 show an airbag 1A disclosed in Japanese Patent Laid-Open No. 7-329885. An extension 9 is provided by extending a part of the lower panel 2A outward, and the side of the extension 9 is stitched with a thread 9a and sealed. Other configurations of the airbag 1A are the same as those of the airbag 1 shown in FIGS. 5 and 6, and the same portions are denoted by the same reference numerals and description thereof will be omitted.
【０００８】このエアバッグ１Ａが膨張すると、第８図
の如くエアバッグ１Ａが乗員の前方に展開すると共に、
延出部９が乗員の膝の前方に展開し、乗員の脚が保護さ
れる。When the airbag 1A is inflated, the airbag 1A is deployed in front of the occupant as shown in FIG.
The extension 9 is deployed in front of the occupant's knee to protect the occupant's legs.
【０００９】[0009]
【発明が解決しようとする課題】本発明は、２枚のパネ
ルによりなるエアバッグにおいて、このエアバッグの膨
張したときの厚さを大きくすることを目的とする。SUMMARY OF THE INVENTION An object of the present invention is to increase the thickness of an airbag formed of two panels when the airbag is inflated.
【００１０】[0010]
【課題を解決するための手段】本発明（請求項１）のエ
アバッグは、助手席又は後席用のエアバッグ装置のエア
バッグであって、第１パネルと第２パネルの周縁部を接
合してなり、該第２パネルにインフレータからのガスを
受け入れる開口が設けられているエアバッグにおいて、
該第１パネルに外方に延出する延出部を設けたことを特
徴とするものである。An airbag according to the present invention (Claim 1) is an airbag of an airbag device for a passenger seat or a rear seat, wherein a peripheral portion of a first panel and a second panel are joined. An airbag, wherein the second panel is provided with an opening for receiving gas from an inflator,
The first panel is provided with an extending portion extending outward.
【００１１】このエアバッグでは、第２パネルに外方に
延出する延出部を設け、前記開口を該延出部に設けても
よい。In this airbag, the second panel may be provided with an extension extending outward, and the opening may be provided in the extension.
【００１２】本発明（請求項３）のエアバッグは、助手
席又は後席用のエアバッグ装置のエアバッグであって、
第１パネルと第２パネルの周縁部を接合してなり、該第
２パネルにインフレータからのガスを受け入れる開口が
設けられているエアバッグにおいて、該第２パネルに外
方に延出する延出部を設け、前記開口を該延出部に設け
たことを特徴とするものである。[0012] The airbag of the present invention (claim 3) is an airbag of an airbag device for a passenger seat or a rear seat,
In an airbag formed by joining peripheral portions of a first panel and a second panel, and an opening for receiving gas from an inflator is provided in the second panel, an extension extending outward from the second panel. A part, and the opening is provided in the extension part.
【００１３】かかるエアバッグは、いずれも延出の存在
により膨張したときの厚さが従来の２枚のパネルよりな
るエアバッグに比べて大きくなる。Each of these airbags has a greater thickness when inflated due to the presence of the extension than a conventional airbag having two panels.
【００１４】本発明の一態様にあっては、該延出部は、
パネルの一部をパネルの一端側から他端側まで外方に延
出させ、この延出した部分の側辺部を封じることにより
設けられたものである。この場合、２個の延出部を交叉
方向例えば車体幅方向及びこれと直交方向に設けるのが
好ましい。In one embodiment of the present invention, the extension portion is
The panel is provided by extending a part of the panel outward from one end to the other end of the panel, and sealing a side of the extended part. In this case, it is preferable that the two extending portions are provided in the cross direction, for example, in the vehicle body width direction and in the direction orthogonal thereto.
【００１５】[0015]
【発明の実施の形態】以下、図面を参照して本発明の実
施の形態について説明する。第１図（ａ）は実施の形態
に係るエアバッグの分解斜視図、（ｂ），（ｃ）図は
（ａ）図のＢ−Ｂ線、Ｃ−Ｃ線に沿う断面図である。第
２図は第１図のII−II線に沿うエアバッグの断面図、第
３図は膨張したエアバッグの第２図と同一部分の断面
図、第４図は膨張したエアバッグの斜視図である。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1A is an exploded perspective view of an airbag according to an embodiment, and FIGS. 1B and 1C are cross-sectional views taken along lines BB and CC in FIG. 1A. 2 is a cross-sectional view of the airbag taken along the line II-II in FIG. 1, FIG. 3 is a cross-sectional view of the same portion of the inflated airbag as in FIG. 2, and FIG. 4 is a perspective view of the inflated airbag. It is.
【００１６】このエアバッグ１０は乗員側の第１のパネ
ル１１と、インストルメントパネル４０側の第２のパネ
ル１２との２枚の布を縫い合わせて袋形状としたもので
ある。第２のパネル１２には、インフレータからのガス
を受け入れるための開口１４と、ベントホール１５とが
設けられている。この開口１４の周縁部に設けられたフ
ラップ１６がエアバッグ装置のケース（図示略）に連結
されている。これらのフラップ１６には、リベットやボ
ルトを通すための孔１７が設けられている。The airbag 10 is formed by sewing two cloths of a first panel 11 on the occupant side and a second panel 12 on the instrument panel 40 into a bag shape. The second panel 12 is provided with an opening 14 for receiving gas from the inflator and a vent hole 15. A flap 16 provided at a peripheral portion of the opening 14 is connected to a case (not shown) of the airbag device. These flaps 16 are provided with holes 17 for passing rivets and bolts.
【００１７】第１及び第２のパネル１１，１２には、い
ずれもその中央部を横断するように延出部２１，２２，
３１，３２が設けられている。第１の延出部２１，３１
はパネル１１，１２に対し車体幅方向即ち乗員から見て
左右方向に延在し、第２の延出２２，３２はパネル１
１，１２の上下方向に延在している。これらの延出部２
１，２２，３１，３２は、パネル１１，１２を折り返す
ことによりマチの如く延出させたものである。Each of the first and second panels 11, 12 has an extending portion 21, 22, so as to cross the central portion thereof.
31 and 32 are provided. First extension portions 21 and 31
Extend in the vehicle body width direction with respect to the panels 11 and 12, that is, in the left-right direction when viewed from the occupant.
1 and 12 extend in the vertical direction. These extensions 2
1, 22, 31, and 32 are formed by folding panels 11 and 12 so as to extend like gussets.
【００１８】即ち、例えば１つのパネルの中央部よりも
少し一方に片寄った部分を１回折り返し次いで少し間隔
をおいて反対方向に折り返すと共に、該中央部よりも少
し他方に片寄った部分を１回折り返し次いで少し間隔を
おいて反対方向に折り返すことにより１つの延出部が形
成される。この１つの延出部の延在方向と直交方向のも
う１つの延出部についても、その後、全く同様に形成し
てされる。延出部２１と延出部２２とはパネル１１の中
央において交叉し、延出部３１と延出部３２とはパネル
１２の中央において交叉する。That is, for example, a part of one panel slightly deviated to one side from the center is bent once, then folded in the opposite direction at a slight interval, and a part slightly deviated to the other side of the center once. One extension is formed by folding and then folding in the opposite direction at a small distance. The other extension in the direction orthogonal to the extension direction of this one extension is then formed in exactly the same manner. The extension 21 and the extension 22 intersect at the center of the panel 11, and the extension 31 and the extension 32 intersect at the center of the panel 12.
【００１９】第２のパネル１２の中央部にあっては、こ
の延出部３１，３２の交叉領域に前記開口１４が設けら
れている。なお、この開口１４はパネル１２を折って延
出部３１，３２を形成する前に予めパネル１２にフラッ
プ１６と共に形成されている。At the center of the second panel 12, the opening 14 is provided at the intersection of the extending portions 31 and 32. The opening 14 is formed in the panel 12 together with the flap 16 before the panel 12 is folded to form the extension portions 31 and 32.
【００２０】このように延出部２１，２２，３１，３２
を折り返しにより形成したパネル１１，１２は、例えば
縫製機の作業台の上において重ね合わされ、パネル１
１，１２の周縁部同志が、延出部２１，２２，３１，３
２の両端部も含めて、糸１８でしっかりと縫い合わされ
る。As described above, the extension portions 21, 22, 31, 32
The panels 11 and 12 formed by folding are superposed on, for example, a work table of a sewing machine, and the panel 1 is
The peripheral parts of 1,12 are extended parts 21,22,31,3
The thread 18 is securely stitched together, including the two ends.
【００２１】このエアバッグは折り畳まれてエアバッグ
装置のケース内に収容され、ケースにリッドが装着され
る。The airbag is folded and accommodated in a case of an airbag device, and a lid is mounted on the case.
【００２２】このように構成されたエアバッグを有する
エアバッグ装置を搭載した自動車が衝突すると、インフ
レータがガスを噴出し、エアバッグ１０が展開する。展
開するエアバッグに押圧されることにより、リッドが車
両室内側に開き、エアバッグ１０が車両室内２４内に送
り出される。そして、第３，４図に示される通り、膨張
する。When an automobile equipped with an airbag device having an airbag constructed as described above collides, the inflator ejects gas and the airbag 10 is deployed. By being pushed by the deploying airbag, the lid opens toward the vehicle interior, and the airbag 10 is sent out into the vehicle interior 24. Then, as shown in FIGS.
【００２３】第３，４図から明らかな通り、この膨張し
たエアバッグ１０の厚みＬ即ちパネル１１の中央からパ
ネル１２の中央までの距離は、延出部２１，２２，３
１，３２を設けたことにより従来よりも著しく大きい。
このため、エアバッグ１０のインストルメントパネル４
０からの突出長さＬが大きい。As is apparent from FIGS. 3 and 4, the thickness L of the inflated airbag 10, that is, the distance from the center of the panel 11 to the center of the panel 12, is determined by the extension portions 21, 22, 3
By providing 1, 32, it is significantly larger than in the past.
Therefore, the instrument panel 4 of the airbag 10
The protruding length L from 0 is large.
【００２４】上記実施の形態では双方のパネル１１，１
２に延出部２１，２２，３１，３２を設けているが、一
方のパネル１１又は１２のみに延出部を設けても良い。In the above embodiment, both panels 11, 1
2, the extension portions 21, 22, 31, and 32 are provided, but the extension portion may be provided only on one of the panels 11 or 12.
【００２５】[0025]
【発明の効果】以上の通り、本発明のエアバッグによる
と、２枚のパネルよりなるエアバッグにおいて、膨張し
たときの厚みを大きくとることができる。従って、膨張
したエアバッグに乗員が突入してきた場合、乗員の衝撃
をきわめて十分に吸収することが可能となる。As described above, according to the airbag of the present invention, the thickness of the two-panel airbag when inflated can be increased. Therefore, when the occupant enters the inflated airbag, the impact of the occupant can be absorbed extremely sufficiently.
【図１】（ａ）は実施の形態に係るエアバッグの分解斜
視図、（ｂ），（ｃ）図は（ａ）図のＢ−Ｂ線、Ｃ−Ｃ
線に沿う断面図である。FIG. 1 (a) is an exploded perspective view of an airbag according to an embodiment, and FIGS. 1 (b) and 1 (c) are views taken along line BB and CC of FIG. 1 (a).
It is sectional drawing which follows a line.
【図２】第１図のII−II線に沿うエアバッグの断面図で
ある。FIG. 2 is a cross-sectional view of the airbag taken along the line II-II in FIG.
【図３】膨張したエアバッグの第２図と同一部分の断面
図である。FIG. 3 is a cross-sectional view of the same portion as FIG. 2 of the inflated airbag.
【図４】膨張したエアバッグの斜視図である。FIG. 4 is a perspective view of the inflated airbag.
【図５】従来例を示す斜視図である。FIG. 5 is a perspective view showing a conventional example.
【図６】図５の従来例を示す断面図である。FIG. 6 is a sectional view showing the conventional example of FIG.
【図７】別の従来例を示す斜視図である。FIG. 7 is a perspective view showing another conventional example.
【図８】図７の従来例を示す断面図である。8 is a cross-sectional view showing the conventional example of FIG.
１０ エアバッグ １１ 第1のパネル １２ 第２のパネル １４ 開口 １５ ベントホール １６ フラップ ２１，２２，３１，３２ 延出部 DESCRIPTION OF SYMBOLS 10 Airbag 11 1st panel 12 2nd panel 14 Opening 15 Vent hole 16 Flap 21, 22, 31, 32 Extension part
Claims (6)
アバッグであって、第１パネルと第２パネルの周縁部を
接合してなり、該第２パネルにインフレータからのガス
を受け入れる開口が設けられているエアバッグにおい
て、 該第1パネルに外方に延出する延出部を設けたことを特
徴とするエアバッグ。1. An airbag for an airbag device for a front passenger seat or a rear seat, wherein a peripheral portion of a first panel and a second panel are joined, and an opening for receiving gas from an inflator into the second panel. The airbag according to claim 1, wherein the first panel is provided with an extending portion extending outward.
に延出する延出部を設け、前記開口を該延出部に設けた
ことを特徴とするエアバッグ。2. The airbag according to claim 1, wherein the second panel is provided with an extension extending outward, and the opening is provided in the extension.
アバッグであって、第１パネルと第２パネルの周縁部を
接合してなり、該第２パネルにインフレータからのガス
を受け入れる開口が設けられているエアバッグにおい
て、 該第２パネルに外方に延出する延出部を設け、前記開口
を該延出部に設けたことを特徴とするエアバッグ。3. An airbag for an airbag device for a front passenger seat or a rear seat, wherein the first panel and the second panel are joined at their peripheral edges, and the second panel receives the gas from the inflator. The airbag according to claim 1, wherein the second panel is provided with an extending portion extending outward, and the opening is provided in the extending portion.
て、該延出部は、パネルの一部をパネルの一端側から他
端側まで外方に延出させ、この延出した部分の側辺部を
封じることにより設けられたものであることを特徴とす
るエアバッグ。4. The panel according to claim 1, wherein the extending portion extends a part of the panel outward from one end side to the other end side of the panel. An airbag characterized by being provided by sealing a side portion.
とも第1の延出部と第２の延出部とが設けられ、これら
の第１の延出部と第２の延出部とは交叉方向に延在して
いることを特徴とするエアバッグ。5. The device according to claim 4, wherein at least a first extension portion and a second extension portion are provided as the extension portions, and the first extension portion and the second extension portion are provided. An airbag extending in a crossing direction.
の幅方向に延在し、第２の延出部はこれと直交方向に延
在していることを特徴とするエアバッグ。6. The airbag according to claim 5, wherein the first extending portion extends in a width direction of the vehicle, and the second extending portion extends in a direction orthogonal to the width direction. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32291499A JP3915348B2 (en) | 1999-11-12 | 1999-11-12 | Air bag and air bag device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32291499A JP3915348B2 (en) | 1999-11-12 | 1999-11-12 | Air bag and air bag device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2001138848A true JP2001138848A (en) | 2001-05-22 |
| JP2001138848A5 JP2001138848A5 (en) | 2005-03-17 |
| JP3915348B2 JP3915348B2 (en) | 2007-05-16 |
Family
ID=18149046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32291499A Expired - Fee Related JP3915348B2 (en) | 1999-11-12 | 1999-11-12 | Air bag and air bag device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3915348B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7207594B2 (en) | 2001-08-10 | 2007-04-24 | Takata Corporation | Leg protection device for vehicle occupant |
| EP2272726A1 (en) | 2009-07-10 | 2011-01-12 | Autoliv Development AB | An air-bag for a motor vehicle |
| JP2019018790A (en) * | 2017-07-20 | 2019-02-07 | Ｊｏｙｓｏｎ Ｓａｆｅｔｙ Ｓｙｓｔｅｍｓ Ｊａｐａｎ株式会社 | Driver's seat airbag and driver's seat airbag device |
| US20230075554A1 (en) * | 2021-09-09 | 2023-03-09 | Hyundai Mobis Co., Ltd. | Air bag |
| US11820317B1 (en) * | 2022-06-22 | 2023-11-21 | Hyundai Mobis Co., Ltd. | Airbag cushion |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9487177B2 (en) | 2015-04-09 | 2016-11-08 | Autoliv Asp, Inc. | Airbag assemblies for vehicles with generous leg room |
-
1999
- 1999-11-12 JP JP32291499A patent/JP3915348B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7207594B2 (en) | 2001-08-10 | 2007-04-24 | Takata Corporation | Leg protection device for vehicle occupant |
| EP2272726A1 (en) | 2009-07-10 | 2011-01-12 | Autoliv Development AB | An air-bag for a motor vehicle |
| JP2019018790A (en) * | 2017-07-20 | 2019-02-07 | Ｊｏｙｓｏｎ Ｓａｆｅｔｙ Ｓｙｓｔｅｍｓ Ｊａｐａｎ株式会社 | Driver's seat airbag and driver's seat airbag device |
| US20230075554A1 (en) * | 2021-09-09 | 2023-03-09 | Hyundai Mobis Co., Ltd. | Air bag |
| US11938889B2 (en) * | 2021-09-09 | 2024-03-26 | Hyundai Mobis Co., Ltd. | Air bag |
| US11820317B1 (en) * | 2022-06-22 | 2023-11-21 | Hyundai Mobis Co., Ltd. | Airbag cushion |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3915348B2 (en) | 2007-05-16 |
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