JPH0651457B2 - Airbag device - Google Patents
Airbag deviceInfo
- Publication number
- JPH0651457B2 JPH0651457B2 JP1275524A JP27552489A JPH0651457B2 JP H0651457 B2 JPH0651457 B2 JP H0651457B2 JP 1275524 A JP1275524 A JP 1275524A JP 27552489 A JP27552489 A JP 27552489A JP H0651457 B2 JPH0651457 B2 JP H0651457B2
- Authority
- JP
- Japan
- Prior art keywords
- airbag
- fixed
- gas
- main body
- airbag body
- 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.)
- Expired - Lifetime
Links
Landscapes
- Air Bags (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、車両等の衝突の際に乗員を保護するエアバッ
グ装置に関し、更に詳細に説明すると、ベースプレート
に固着されたガス発生器と、該ガス発生器よりのガスが
流入するガス注入口を有し、前記ベースプレートに固着
されたエアバッグ本体とを備えるエアバッグ装置に関す
る。TECHNICAL FIELD The present invention relates to an airbag device that protects an occupant in the event of a collision of a vehicle or the like, and more specifically, a gas generator fixed to a base plate, The present invention relates to an airbag device having a gas inlet through which gas from the gas generator flows and including an airbag main body fixed to the base plate.
従来より、車両等の乗員の保護装置としてエアバッグ装
置が知られている。この保護装置としては、特公昭５６
−４３８９０号公報や、実開昭６１−１８５６４２号公
報等が存在する。BACKGROUND ART Conventionally, an airbag device has been known as a protection device for passengers of a vehicle or the like. As this protective device, Japanese Patent Publication Sho 56
-43890 and Japanese Utility Model Laid-Open No. 61-185642.
第５図に示す如く、ステアリング等の固定側に取付けら
れたベースプレート１にガス発生器２が固着され、ガス
注入口４を有するエアバッグ本体３がリテーナ５を介し
て固着され、所定の条件のもとでガス発生器が作動した
場合にガスが瞬間的にエアバッグ本体３内に流入し、エ
アバッグ本体３を瞬時に膨張させるようになされてい
る。またガス発生器２よりのガス主流（矢印ａで示す）
がガス注入口４よりエアバッグ本体３のフロント側パネ
ル３ａに衝突し、エアバッグ本体３が乗員側に略々一方
向に膨張するのを防ぐために吊りベルト７がエアバッグ
本体３の内側に取付けられ、この吊りベルト７の端部７
ａがエアバッグ本体３のリア側パネル３ｂと共にベース
プレート１にリテーナ５を介して固着されるようになさ
れている。As shown in FIG. 5, the gas generator 2 is fixed to the base plate 1 mounted on the fixed side such as the steering wheel, and the airbag main body 3 having the gas inlet 4 is fixed via the retainer 5 to meet the predetermined conditions. Under the circumstances, when the gas generator is operated, the gas instantaneously flows into the airbag main body 3 to instantly inflate the airbag main body 3. The main gas flow from the gas generator 2 (indicated by arrow a)
Is attached to the inside of the airbag body 3 to prevent the airbag body 3 from colliding with the front panel 3a of the airbag body 3 from the gas inlet 4 and inflating the airbag body 3 in one direction in the occupant side. The end 7 of this hanging belt 7
a is fixed to the base plate 1 together with the rear panel 3b of the airbag body 3 via a retainer 5.
然し乍ら、リア側パネル３ｂのガス注入口４の周縁に吊
りベルト７の端部７ａを縫製等により取付けた場合に
は、吊りベルト７の端部７ａが存在する部分だけガス注
入口４付近の厚みが増大し、円環状のリテーナ５により
エアバッグ本体３のリア側パネル３ｂのガス注入口４付
近をベースプレート１に取付ける際にリア側パネル３ｂ
を均一に、且つ密着性良くベースプレート１に取付ける
ことができず、ガス漏れの虞れを有し、またガス発生器
が作動した際に吊りベルト７に加えられた荷重がリア側
パネル３ｂに直接伝達され、リア側パネル３ｂに吊りベ
ルト７による部分的な負荷が加えられ、エアバッグ本体
３のリア側パネル３ｂのガス注入口４付近を破損させる
虞れを有していた。また吊りベルト７の端部７ａの固着
状態はエアバッグ本体３の内側であるので外部より確認
することができない欠点を有し、またエアバッグ本体３
を折り畳んで収納した状態で別途形成したカバー部材に
より被覆しなければならず、部品点数が増大し、組付作
業が煩雑となる欠点を有していた。However, when the end portion 7a of the hanging belt 7 is attached to the periphery of the gas inlet port 4 of the rear side panel 3b by sewing or the like, only the portion where the end portion 7a of the hanging belt 7 is present has a thickness near the gas inlet port 4. Is increased, and when the vicinity of the gas inlet 4 of the rear side panel 3b of the airbag body 3 is attached to the base plate 1 by the annular retainer 5, the rear side panel 3b
Cannot be attached to the base plate 1 uniformly and with good adhesion, and there is a risk of gas leakage, and the load applied to the suspension belt 7 when the gas generator is activated is directly applied to the rear side panel 3b. This is transmitted, and a partial load is applied to the rear side panel 3b by the suspension belt 7, which may damage the vicinity of the gas inlet 4 of the rear side panel 3b of the airbag body 3. Further, since the fixed state of the end portion 7a of the hanging belt 7 is inside the airbag body 3, it has a drawback that it cannot be confirmed from the outside.
It has to be covered with a separately formed cover member in a state of being folded and stored, which has a drawback that the number of parts increases and the assembling work becomes complicated.
本発明の目的はエアバッグ本体のガス注入口を固定側の
ベースプレートに確実に、密封性よく固着されることが
でき、従来の如く、吊りベルトをエアバッグ本体の内側
に取付けることなくエアバッグ本体の膨出量を規制する
ことができ、またエアバッグ本体を折り畳んで収納した
状態を確実に保持することができるエアバッグ装置を提
供するものである。An object of the present invention is to securely fix the gas inlet of the airbag body to the fixed side base plate with good sealing performance, and to eliminate the need for attaching a hanging belt to the inside of the airbag body as in the conventional case. (EN) Provided is an airbag device capable of restricting the amount of bulging of the airbag and securely holding the folded and stored state of the airbag body.
本発明は上述せる課題に鑑みてなされたもので、ベース
プレートに固着されたガス発生器と、該ガス発生器より
のガスが流入するガス注入口を有し、前記ベースプレー
トに固着されたエアバッグ本体とを備えるエアバッグ装
置において、前記エアバッグ本体を折り畳んで収納した
状態でエアバッグ本体の外側に形状規制部材が配設さ
れ、該形状規制部材は前記エアバッグ本体が膨出し得る
長さを有する複数本のベルトと、該ベルトの端部に固着
された取付金具とを有し、該取付金具が前記ベースプレ
ートに固着され、前記エアバッグ本体の膨出時に前記形
状規制部材がエアバッグ本体の前方への膨出を規制する
ようになされていることを特徴とする。The present invention has been made in view of the above-mentioned problems, and has an air bag body fixed to the base plate, which has a gas generator fixed to the base plate and a gas injection port into which gas from the gas generator flows. In an airbag device including: a shape regulating member is disposed outside the airbag body in a state where the airbag body is folded and stored, and the shape regulating member has a length that allows the airbag body to bulge. The belt includes a plurality of belts and a mounting member fixed to an end portion of the belt, the mounting member is fixed to the base plate, and the shape regulating member is provided in front of the airbag body when the airbag body is inflated. It is characterized in that it is designed to regulate the bulge to the.
〔作用〕 本発明に依れば、エアバッグ本体を折り畳んで収納した
状態でエアバッグ本体の外側に形状規制部材が配設さ
れ、この形状規制部材はエアバッグ本体が膨出し得る長
さを有する複数本のベルトを有し、この複数本のベルト
がベースプレートに取付金具を介して固着されているの
で、エアバッグ本体の膨出時にエアバッグ本体の外側に
配設された形状規制部材の複数本のベルトが緊張状態と
され、エアバッグ本体の前方への膨出が前記ベルトの長
さに応じて規制されるものである。[Operation] According to the present invention, the shape restricting member is disposed outside the airbag main body in a state where the airbag main body is folded and stored, and the shape restricting member has a length such that the airbag main body can expand. Since the belt has a plurality of belts and the plurality of belts are fixed to the base plate through the mounting metal fittings, a plurality of shape regulating members disposed outside the airbag body when the airbag body swells. The belt is set in a tensioned state, and the forward bulging of the airbag body is restricted according to the length of the belt.
以下本発明に係るエアバッグ装置を図面を参照して詳述
する。Hereinafter, an airbag device according to the present invention will be described in detail with reference to the drawings.
第１図乃至第４図には本発明に係るエアバッグ装置の一
実施例が夫々示されており、エアバッグ装置１１はベー
スプレート１３の取付けられる固定側をステアリング側
またはインストルメントパネル側とすることができるも
のである。1 to 4 respectively show an embodiment of an airbag device according to the present invention. In the airbag device 11, the fixed side to which the base plate 13 is attached is the steering side or the instrument panel side. Is something that can be done.
エアバッグ装置１１はベースプレート１３にボルト・ナ
ット等の固着手段１５により固定されたガス発生器１７
と、このガス発生器１７よりのガスが流入するガス注入
口２１を有するエアバッグ本体１９とを備えている。尚
前記ガス発生器１７は１個でもよく、または左右一対備
えた複数とすることもでき、複数のガス発生器１７を用
いる場合には複数のガス注入口２１を形成すればよいも
のである。The airbag device 11 includes a gas generator 17 fixed to a base plate 13 by fixing means 15 such as bolts and nuts.
And an airbag body 19 having a gas inlet 21 into which gas from the gas generator 17 flows. The number of the gas generators 17 may be one, or a plurality of gas generators 17 may be provided in a pair on the left and right. When using a plurality of gas generators 17, a plurality of gas inlets 21 may be formed.
前記エアバッグ本体１９は布地等に合成樹脂シートを積
層して形成されている。The airbag body 19 is formed by laminating a synthetic resin sheet on a cloth or the like.
ベースプレート１３の略中央部には透孔２５が形成さ
れ、この透孔２５よりガス発生器１７の前端側が前方に
突出され、ガス発生器１７のガス噴出口１７ａがガス注
入口２１よりエアバッグ本体１９内部に挿入されてい
る。そしてエアバッグ本体１９のガス注入口２１の周縁
部がベースプレート１３に円環状のリテーナ３１を介し
て固着されている。このリテーナ３１は第３図に示すよ
うに、リベットまたはねじ等の固着手段３３によりベー
スプレート１３に固着されている。A through hole 25 is formed in a substantially central portion of the base plate 13, a front end side of the gas generator 17 projects forward from the through hole 25, and a gas ejection port 17a of the gas generator 17 extends from the gas injection port 21 to the airbag body. It is inserted inside 19. The peripheral portion of the gas inlet 21 of the airbag body 19 is fixed to the base plate 13 via a ring-shaped retainer 31. As shown in FIG. 3, the retainer 31 is fixed to the base plate 13 by fixing means 33 such as rivets or screws.
前記エアバッグ本体１９の外側に形状規制部材３５が配
設されている。この形状規制部材３５はエアバッグ本体
１９を折り畳んだ状態で取付けられている。第１図及び
第２図に示す如く、形状規制部材３５はエアバッグ本体
１９が膨出し得る長さを有する複数本のベルト３７を有
し、本実施例では２本のベルト３７を中央部でクロスさ
せて形成され、このベルト３７の両端部に夫々取付金具
３８が固着され、この取付金具３８がベースプレート１
３の外周縁に近接する側にボルトまたはリベット等の固
定手段４０により固定されている。A shape restricting member 35 is arranged outside the airbag body 19. The shape restricting member 35 is attached with the airbag body 19 folded. As shown in FIGS. 1 and 2, the shape restricting member 35 has a plurality of belts 37 having a length such that the airbag body 19 can bulge. In this embodiment, the two belts 37 are provided at the central portion. The belt 37 is formed by crossing, and mounting brackets 38 are fixed to both ends of the belt 37.
It is fixed to the side close to the outer peripheral edge of 3 by a fixing means 40 such as a bolt or a rivet.
前記ベルト３７の中央部にはシート部材４２が固着さ
れ、このシート部材４２は布地または軟質合成樹脂材等
より形成され、エアバッグ本体１９の前面側中央部を規
制し得るようになされている。尚シート部材４２の表面
にパッド材を取付けておけば、エアバッグ本体１９の膨
出時に乗員に対する衝撃力を緩和させることができる。A seat member 42 is fixed to the central portion of the belt 37. The seat member 42 is made of cloth or a soft synthetic resin material, and can regulate the front central portion of the airbag body 19. If a pad member is attached to the surface of the seat member 42, it is possible to reduce the impact force on the occupant when the airbag body 19 is inflated.
前記ベルト３７はエアバッグ本体１９を折り畳んで収納
している状態では長さが十分にあり過ぎるので、適宜巻
き込み、または折り畳んでおけばエアバッグ本体１９を
シート部材４２により被覆させ、且つエアバッグ本体１
９を収納状態に保持することができるものである。また
ベルト３７は固定的な長さを有する部材、例えば布製ベ
ルトのもののほか、伸縮性を有するゴムベルト等を用い
てもよい。Since the belt 37 has an excessively long length in a state where the airbag body 19 is folded and accommodated, the belt body 19 is covered with the seat member 42 if appropriately wound or folded. 1
It is possible to hold 9 in a stored state. The belt 37 may be a member having a fixed length, for example, a cloth belt, or a stretchable rubber belt.
以上が本発明に係るエアバッグ装置の一実施例の構成で
あるが、斯る構成において、エアバッグ装置１１のガス
発生器１７が衝突等により作動すると、エアバッグ本体
１９内部にガス噴出口１７ａよりガスが瞬時に供給さ
れ、第４図に示す如く、エアバッグ本体１９が膨出し、
エアバッグ本体１９の外側に配設された形状規制部材３
５の複数のベルト３７が緊張されて複数のベルト３７及
びシート部材４２によりエアバッグ本体１９の膨出が規
制され、特にベルト３７の取付金具３８がベースプレー
ト１３の外周縁に近接する側に取付けられているのでエ
アバッグ本体１９の前方への膨出を有効に規制すること
ができるものである。尚同一のエアバッグ本体１９に異
なる長さのベルト３７を有する形状規制部材３５を設け
ることにより異なる膨出量のエアバッグ装置を得ること
ができる。The above is the configuration of one embodiment of the airbag device according to the present invention. In such a configuration, when the gas generator 17 of the airbag device 11 is activated due to a collision or the like, the gas ejection port 17a is provided inside the airbag body 19. More gas is instantaneously supplied, and the airbag body 19 swells as shown in FIG.
Shape regulating member 3 arranged outside the airbag body 19
The plurality of belts 37 in FIG. 5 are tensioned so that the bulging of the airbag body 19 is restricted by the plurality of belts 37 and the sheet member 42. In particular, the mounting bracket 38 of the belt 37 is mounted on the side close to the outer peripheral edge of the base plate 13. Therefore, the bulging forward of the airbag body 19 can be effectively controlled. By providing the shape regulating member 35 having the belts 37 of different lengths on the same airbag body 19, it is possible to obtain airbag devices having different bulges.
本発明に依れば、エアバッグ本体の膨出量をエアバッグ
本体の外側に設けた形状規制部材により調整することが
でき、またエアバッグ本体を折り畳んだ収納状態を形状
規制部材により確実に保持することができ、エアバッグ
本体の取付状態を確実強固に行え、安全性及び経済性に
優れたエアバッグ装置を得ることができる。According to the present invention, the bulging amount of the airbag body can be adjusted by the shape regulating member provided on the outside of the airbag body, and the folded state of the airbag body can be reliably held by the shape regulating member. Therefore, it is possible to securely and firmly attach the airbag body, and it is possible to obtain an airbag device excellent in safety and economy.
第１図乃至第４図は本発明に係るエアバッグ装置の一実
施例の概略を夫々示すもので、第１図乃至第２図は形状
規制部材の斜視図及び展開図、第３図は断面図、第４図
はエアバッグ本体の膨出時の斜視図、第５図は従来のエ
アバッグ装置の断面図である。 図中、１１……エアバッグ装置、１３……ベースプレー
ト、１７……ガス発生器、１９……エアバッグ本体、２
１……ガス注入口、３１……リテーナ、３５……形状規
制部材、３７……ベルト、３８……取付金具、４０……
固定手段、４２……シート部材。1 to 4 respectively show an outline of an embodiment of an airbag device according to the present invention. FIGS. 1 and 2 are a perspective view and a developed view of a shape regulating member, and FIG. 3 is a sectional view. FIG. 4 is a perspective view of the airbag body when it is inflated, and FIG. 5 is a cross-sectional view of a conventional airbag device. In the figure, 11 ... Airbag device, 13 ... Base plate, 17 ... Gas generator, 19 ... Airbag body, 2
1 ... Gas inlet, 31 ... Retainer, 35 ... Shape regulating member, 37 ... Belt, 38 ... Mounting bracket, 40 ...
Fixing means 42 ... Sheet member.
Claims (1)
と、該ガス発生器よりのガスが流入するガス注入口を有
し、前記ベースプレートに固着されたエアバッグ本体と
を備えるエアバッグ装置において、前記エアバッグ本体
を折り畳んで収納した状態でエアバッグ本体の外側に形
状規制部材が配設され、該形状規制部材は前記エアバッ
グ本体が膨出し得る長さを有する複数本のベルトと、該
ベルトの端部に固着された取付金具とを有し、該取付金
具が前記ベースプレートに固着され、前記エアバッグ本
体の膨出時に前記形状規制部材がエアバッグ本体の前方
への膨出を規制するようになされていることを特徴とす
るエアバッグ装置。1. An airbag apparatus comprising: a gas generator fixed to a base plate; and an airbag main body fixed to the base plate, the airbag main body having a gas inlet into which gas from the gas generator flows. A shape restricting member is disposed outside the airbag main body in a state where the airbag main body is folded and stored, and the shape restricting member includes a plurality of belts having a length such that the airbag main body can bulge, and A mounting member fixed to an end portion, the mounting member being fixed to the base plate, and the shape restricting member restricts forward bulging of the airbag main body when the airbag main body bulges. An airbag device characterized by being made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1275524A JPH0651457B2 (en) | 1989-10-23 | 1989-10-23 | Airbag device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1275524A JPH0651457B2 (en) | 1989-10-23 | 1989-10-23 | Airbag device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03136946A JPH03136946A (en) | 1991-06-11 |
| JPH0651457B2 true JPH0651457B2 (en) | 1994-07-06 |
Family
ID=17556659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1275524A Expired - Lifetime JPH0651457B2 (en) | 1989-10-23 | 1989-10-23 | Airbag device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0651457B2 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4220499C2 (en) * | 1992-06-23 | 1998-06-04 | Daimler Benz Ag | Impact protection system with gas bag (airbag) |
| US5482317A (en) * | 1993-06-28 | 1996-01-09 | Sandia Corporation | Structurally efficient inflatable protective device |
| US5560648A (en) * | 1995-08-24 | 1996-10-01 | General Motors Corporation | Air bag deployment bias apparatus |
| US5823567A (en) * | 1996-07-03 | 1998-10-20 | Precision Fabrics Group, Inc. | Folded inflatable protective device and method for making same |
| DE19813832C2 (en) | 1998-03-20 | 2003-10-23 | Takata Petri Ag | Airbag for an airbag module |
| JP4156121B2 (en) * | 1999-02-25 | 2008-09-24 | 富士重工業株式会社 | Airbag device |
| EP1155924B1 (en) * | 2000-05-19 | 2005-11-02 | TRW Automotive Safety Systems GmbH | Air bag module |
| US6698792B2 (en) * | 2002-04-23 | 2004-03-02 | Takata Restraint Systems, Inc. | Airbag tie back |
| JP5016432B2 (en) * | 2007-09-28 | 2012-09-05 | 日本プラスト株式会社 | Airbag device |
| JP5523780B2 (en) * | 2009-09-14 | 2014-06-18 | 日本プラスト株式会社 | Passenger airbag |
| JP5120354B2 (en) * | 2009-09-28 | 2013-01-16 | トヨタ自動車株式会社 | Airbag device |
| DE102016119568A1 (en) * | 2016-10-13 | 2018-04-19 | Trw Automotive Gmbh | Front airbag for vehicle occupants |
-
1989
- 1989-10-23 JP JP1275524A patent/JPH0651457B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03136946A (en) | 1991-06-11 |
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