JPH0694265B2 - Airbag device - Google Patents
Airbag deviceInfo
- Publication number
- JPH0694265B2 JPH0694265B2 JP1276656A JP27665689A JPH0694265B2 JP H0694265 B2 JPH0694265 B2 JP H0694265B2 JP 1276656 A JP1276656 A JP 1276656A JP 27665689 A JP27665689 A JP 27665689A JP H0694265 B2 JPH0694265 B2 JP H0694265B2
- Authority
- JP
- Japan
- Prior art keywords
- side member
- front side
- airbag
- airbag body
- rear side
- 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
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
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/2334—Expansion control features
- B60R21/2342—Tear seams
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、ガス発生器に連
結されたエアバッグ本体を備えるエアバッグ装置に関す
る。Description: TECHNICAL FIELD The present invention relates to an airbag device for protecting an occupant in the event of a collision of a vehicle or the like, and more specifically, an airbag body connected to a gas generator. The present invention relates to an airbag device.
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、実公昭54−2521号公報及び実開昭61−1
85642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 protection device, Japanese Patent Publication Sho 56-
No. 43890, No. 54-2521, and No. 61-1
85642 and the like exist.
また、第４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を瞬時に膨出させるようになさ
れている。Further, as shown in FIG. 4, 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 so that a predetermined amount is obtained. When the gas generator operates under the conditions, the gas instantaneously flows into the airbag main body 3 to inflate the airbag main body 3 instantaneously.
前記エアバッグ本体３は２枚の円形状の布材からなるフ
ロント側部材3aとリア側部材3bの外周縁同士を縫着して
形成され、前記リア側部材3bの中央部に前記ガス注入口
４が形成されている。The airbag body 3 is formed by stitching the outer peripheral edges of a front side member 3a and a rear side member 3b made of two circular cloth materials, and the gas injection port is formed at the center of the rear side member 3b. 4 are formed.
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のフロント側部材3aに
衝突し、エアバッグ本体３が乗員側に略一方向に膨出す
るのを防ぐために、フロント側部材3aに縫着された吊り
ベルト６の端部6aをエアバッグ本体３のリア側部材3bに
縫製等により取付け、更にこの取付部がリテーナ５とベ
ースプレート１とにより、挟圧，固着されている。Further, the main gas flow from the gas generator 2 (indicated by the arrow a) collides with the front side member 3a of the airbag body 3 through the gas inlet 4, and the airbag body 3 bulges toward the occupant side in substantially one direction. In order to prevent this, the end portion 6a of the suspension belt 6 sewn to the front side member 3a is attached to the rear side member 3b of the airbag body 3 by sewing or the like, and this attachment portion is sandwiched by the retainer 5 and the base plate 1. Pressure is stuck.
然し乍ら、従来のエアバッグ本体３に吊りベルト６を取
付ける場合には、吊りベルト６の端部6aが不規則に取付
けられる虞れを有し、エアバッグ本体３が変形状態で膨
出したり、複数本の吊りベルト６の端部6aの何れかがリ
テーナ５より外れる虞れを有し、吊りベルト６の取付作
業が煩雑となる欠点を有していた。また吊りベルト６を
用いない場合にはエアバッグ本体３のフロント側部材3a
が乗員の顔面や胸部を直撃する虞れを有していた。However, when attaching the hanging belt 6 to the conventional airbag body 3, there is a risk that the end portion 6a of the hanging belt 6 may be attached irregularly, and the airbag body 3 may bulge in a deformed state, There is a risk that one of the ends 6a of the hanging belt 6 of the book may come off from the retainer 5, and the work of attaching the hanging belt 6 becomes complicated. When the hanging belt 6 is not used, the front side member 3a of the airbag body 3
Had a risk of hitting the passenger's face and chest directly.
本発明の目的はエアバッグ本体に吊りベルトを取付ける
必要がなく、エアバッグ本体の縫製作業を簡易迅速に行
え、然もエアバッグ本体のフロント側部材が乗員の顔面
や胸部を直撃する虞れがなく、安全性に優れ、また部品
点数を減少させることができ、著しく経済性に優れたエ
アバッグ装置を提供するものである。An object of the present invention is that it is not necessary to attach a hanging belt to the airbag body, the airbag body can be easily and quickly sewn, and the front side member of the airbag body may directly hit the occupant's face or chest. The present invention provides an airbag device which is excellent in safety and can be reduced in the number of parts and which is extremely economical.
本発明は上述せる課題に鑑みてなされたもので、ガス発
生器に連結されたエアバッグ本体を備えるエアバッグ装
置において、前記エアバッグ本体はガス発生器のガス噴
出口側に固着されるガス注入口が形成されたリア側部材
と、該リア側部材の外周縁に沿って接合されたフロント
側部材とからなり、前記リア側部材とフロント側部材の
前記外周縁と適宜の間隔を置いた内側の相互に対向する
位置に中間の接合部が形成され、前記リア側部材とフロ
ント側部材の中間の接合部を外周縁とする内側袋状部が
形成され、前記ガス発生器が作動した場合に前記内側袋
状部が膨出し、次いで内側袋状部が所定圧以上となった
場合に前記リア側部材とフロント側部材の中間の接合部
が離間して前記リア側部材とフロント側部材からなるエ
アバッグ本体の形状に膨出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 in an airbag device including an airbag main body connected to a gas generator, the airbag main body is a gas injection device that is fixed to a gas ejection port side of the gas generator. An inner side, which is composed of a rear side member having an inlet formed therein and a front side member joined along the outer peripheral edge of the rear side member, and which is appropriately spaced from the outer peripheral edge of the rear side member and the front side member. An intermediate joint portion is formed at a position facing each other, and an inner bag-shaped portion having an intermediate joint portion between the rear side member and the front side member as an outer peripheral edge is formed, and when the gas generator operates, When the inner bag-shaped portion swells up and then the inner bag-shaped portion reaches a predetermined pressure or more, the intermediate joint between the rear side member and the front side member is separated from the rear side member and the front side member. The shape of the airbag body Characterized in that it is adapted to bulge.
本発明に依れば、エアバッグ本体のリア側部材とフロン
ト側部材の外周縁と適宜の間隔を置いた内側の相互に対
向する位置に中間の接合部が形成され、前記リア側部材
とフロント側部材の中間の接合部を外周縁とする内側袋
状部が形成され、ガス発生器の作動時に前記内側袋状部
が膨出し、エアバッグ本体の形状で膨出していないので
膨出量を規制でき、次いで内側袋状部が所定圧以上とな
り、前記中間の接合部が離間して前記エアバッグ本体の
形状に膨出するので、エアバッグ本体が乗員を直撃する
虞れがないものである。According to the present invention, an intermediate joint portion is formed at a position where the rear side member of the airbag main body and the outer peripheral edge of the front side member are opposed to each other at an inner side with a proper interval, and the rear side member and the front side member are formed. An inner bag-shaped portion whose outer peripheral edge is the middle joint of the side members is formed, and the inner bag-shaped portion swells when the gas generator operates, and the bulging amount is not bulged in the shape of the airbag body. It is possible to regulate, and then the inner bag-shaped portion becomes a predetermined pressure or more, and the intermediate joint portion is separated and bulges into the shape of the airbag body, so that there is no possibility that the airbag body will directly hit the occupant. .
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３図には本発明に係るエアバッグ装置の一
実施例の概略が夫々示されており、エアバッグ装置11は
本実施例ではベースプレート13の取付けられる固定側を
ステアリング12側とした場合が示されているが、インス
トルメントパネル側を固定側とすることもできる。1 to 3 respectively show an outline of an embodiment of an airbag device according to the present invention. In the airbag device 11, in this embodiment, the fixed side to which the base plate 13 is attached is the steering 12 side. Although the case is shown, the instrument panel side may be the fixed side.
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。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. ing.
ステアリングコラム14に円形状のステアリング12が固着
され、このステアリング12の内径側の背面側に前記ベー
スプレート13がガス発生器17と共に前記固着手段15によ
り固着されている。A circular steering wheel 12 is fixed to the steering column 14, and the base plate 13 is fixed to the rear surface of the steering wheel 12 on the inner diameter side together with the gas generator 17 by the fixing means 15.
エアバッグ本体19は乗員側に当接するフロント側部材19
aと、ガス注入口21が形成されたリア側部材19hとが縫製
等の手段により外周縁が接合されて形成され、このエア
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 a front side member 19 that abuts on the occupant side.
a and a rear member 19h in which the gas inlet 21 is formed are formed by joining their outer peripheral edges by means such as sewing, and the airbag body 19 is formed by laminating a synthetic resin sheet on cloth or the like. There is.
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。A through hole 25 is formed in a substantially central portion of the base plate 13, and the front end side of the gas generator 17 is projected forward from the through hole 25,
The gas outlet 17a of the gas generator 17 is inserted into the inside of the airbag body 19 through the gas inlet 21.
そしてリア側部材19b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。The peripheral portion of the gas injection port 21 of the rear member 19b is fixed to the base plate 13 via an annular retainer 31. This retainer 31 is a fixing means such as a rivet or a screw.
It is fixed to the base plate 13 by 33.
第３図に示す如く、前記エアバッグ本体19はリア側部材
19bとフロント側部材19aの外周縁と適宜の間隔を置いた
内側の相互に対向する位置に中間の接合部27が形成され
ている。例えば、正面より見てフロント側部材19aとリ
ア側部材19bの外周縁と、この外周縁より内側に形成さ
れたガス注入口21との略中間に沿って、本実施例ではガ
ス注入口21と同心円状に中間の接合部27が形成されてい
る。As shown in FIG. 3, the airbag body 19 is a rear member.
An intermediate joint portion 27 is formed at a position opposed to each other on the inner side at a proper interval from the outer peripheral edges of 19b and the front side member 19a. For example, when viewed from the front, along the outer peripheral edges of the front side member 19a and the rear side member 19b, and substantially along the middle of the gas inlet 21 formed inside the outer peripheral edges, in this embodiment, the gas inlet 21 and An intermediate joint portion 27 is formed concentrically.
そして前記リア側部材19bとフロント側部材19aの略中間
の接合部27を外周縁とする内側袋状部20が形成されてい
る。An inner bag-shaped portion 20 having an outer peripheral edge at a joint 27 between the rear-side member 19b and the front-side member 19a is formed.
前記エアバッグ本体19の内側袋状部20を形成する接合部
27は縫製，接着等適宜の接合手段を用いることができ、
また接合部27の形状は円形状に形成するもののほか適宜
の形状、例えば楕円形，多角形状とすることができると
共に、全外周を接合せず間欠的に接合するものであって
もよい。Joining portion forming the inner bag-shaped portion 20 of the airbag body 19
27 can use appropriate joining means such as sewing and adhesion,
Further, the shape of the joint portion 27 may be an appropriate shape, for example, an elliptical shape or a polygonal shape in addition to the circular shape, and the entire outer circumference may be intermittently joined without being joined.
更に接合部27を縫製により形成する場合にはリア側部材
19bとフロント側部材19aの外周縁の縫着より弱い状態で
縫着されるものである。Further, when the joint portion 27 is formed by sewing, the rear side member
The outer peripheral edges of the front side member 19a and the front side member 19a are sewn in a weaker state.
前記リア側部材19bの接合部27の外側、即ち内側袋状部2
0を形成する部分より外側のリア側部材19bに排気穴29が
複数形成されている。The outer side of the joint 27 of the rear member 19b, that is, the inner bag-shaped portion 2
A plurality of exhaust holes 29 are formed in the rear side member 19b outside the portion forming 0.
尚エアバッグ本体19を紋様織りにより一体に形成するこ
とができ、フロント側部材19aとリア側部材19bとを二重
織りにより袋状に形成し、袋状の外周縁を一重織りによ
り形成すると共に、フロント側部材19aとリア側部材19b
の中間部の接合部27を破断し易い一重織りに形成するこ
ともできる。このような紋様織りはジャガード機等の紋
織機により形成することができるものである。The airbag body 19 can be integrally formed by a pattern weave, the front side member 19a and the rear side member 19b are formed in a bag shape by double weaving, and the bag-shaped outer peripheral edge is formed by a single weave. Front member 19a and rear member 19b
It is also possible to form the joint portion 27 at the intermediate portion of the above into a single weave that is easy to break. Such a pattern weave can be formed by a pattern weaving machine such as a jacquard machine.
斯る構成において、エアバッグ装置11のガス発生器17が
衝突等の条件により作動すると、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１図に
示す如く、エアバッグ本体19の内側袋状部20が膨出す
る。In such a configuration, when the gas generator 17 of the airbag device 11 is operated due to a collision or the like, gas is instantaneously supplied from the gas outlet 17a into the inside of the airbag body 19, and as shown in FIG. The inner bag-shaped portion 20 of the main body 19 swells.
次いで内側袋状部20が所定圧以上となった場合に内側袋
状部20の外周縁である中間の接合部27が離間し、第２図
に示す如く、フロント側部材19aとリア側部材19bの全体
からなるエアバッグ本体19の形状に膨出するものであ
る。Then, when the inner bag-shaped portion 20 has a predetermined pressure or more, the intermediate joint portion 27 which is the outer peripheral edge of the inner bag-shaped portion 20 is separated, and as shown in FIG. 2, the front side member 19a and the rear side member 19b. The swelling is in the shape of the airbag body 19 which is composed of the whole.
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、斯る構成に依れば、エアバッグ本体のリア側部
材とフロント側部材の外周縁と適宜の間隔を置いた内側
の相互に対向する位置に中間の接合部が形成され、前記
リア側部材とフロント側部材の中間の接合部を外周縁と
する内側袋状部が形成され、ガス発生器の作動時に前記
内側袋状部が膨出し、エアバッグ本体の形状で膨出して
いないので膨出量を規制でき、吊りベルトをエアバッグ
本体に取付ける必要がなく、乗員の顔面や胸部をエアバ
ッグ本体が直撃する虞れがなく、著しく安全性に優れ、
然も部品点数を減少させることができるので著しく経済
性に優れた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. According to this configuration, the rear side member of the airbag body and the outer peripheral edge of the front side member are provided with an appropriate inner space. An intermediate joint portion is formed at a position facing each other, and an inner bag-shaped portion having an intermediate joint portion between the rear side member and the front side member as an outer peripheral edge is formed, and the inner bag-shaped portion is formed when the gas generator operates. Since the part bulges and the shape of the airbag body does not bulge, the amount of bulging can be regulated, it is not necessary to attach a hanging belt to the airbag body, and the airbag body may directly hit the occupant's face or chest. And is extremely safe,
However, since the number of parts can be reduced, it is possible to obtain an airbag device which is extremely economical.
第１図乃至第３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図及び第２図はエア
バッグ本体の膨出状態を夫々示す側断面説明図、第３図
はエアバッグ本体の背面図、第４図は従来のエアバッグ
装置の側断面説明図である。 図中、11……エアバッグ装置、13……ベースプレート、
17……ガス発生器、17a……ガス噴出口、19……エアバ
ッグ本体、19a……フロント側部材、19b……リア側部
材、20……内側袋状部、21……ガス注入口、25……透
孔、27……接合部、31……リテーナ、33……固着手段。1 to 3 each show an outline of an embodiment of an airbag device according to the present invention, and FIGS. 1 and 2 are side sectional explanatory views showing the bulging state of the airbag body, respectively. FIG. 3 is a rear view of the airbag body, and FIG. 4 is a side cross-sectional explanatory view of a conventional airbag device. In the figure, 11 ... Airbag device, 13 ... Base plate,
17 …… Gas generator, 17a …… Gas outlet, 19 …… Airbag body, 19a …… Front side member, 19b …… Rear side member, 20 …… Inner bag-shaped part, 21 …… Gas inlet, 25 …… through hole, 27 …… joint, 31 …… retainer, 33 …… fixing means.
Claims (1)
備えるエアバッグ装置において、前記エアバッグ本体は
ガス発生器のガス噴出口側に固着されるガス注入口が形
成されたリア側部材と、該リア側部材の外周縁に沿って
接合されたフロント側部材とからなり、前記リア側部材
とフロント側部材の前記外周縁と適宜の間隔を置いた内
側の相互に対向する位置に中間の接合部が形成され、前
記リア側部材とフロント側部材の中間の接合部を外周縁
とする内側袋状部が形成され、前記ガス発生器が作動し
た場合に前記内側袋状部が膨出し、次いで内側袋状部が
所定圧以上となった場合に前記リア側部材とフロント側
部材の中間の接合部が離間して前記リア側部材とフロン
ト側部材からなるエアバッグ本体の形状に膨出するよう
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 including an airbag body connected to a gas generator, wherein the airbag body includes a rear member having a gas injection port fixed to a gas outlet side of the gas generator. A front side member joined along the outer peripheral edge of the rear side member, and an intermediate portion at a position facing each other inside the rear side member and the outer peripheral edge of the front side member at appropriate intervals. A joint portion is formed, an inner bag-shaped portion having an intermediate joint portion between the rear side member and the front side member as an outer peripheral edge is formed, and the inner bag-shaped portion bulges when the gas generator operates, Next, when the inner bag-shaped portion has a predetermined pressure or more, the intermediate joint between the rear side member and the front side member is separated and bulges into the shape of the airbag body including the rear side member and the front side member. Like this Air bag device according to claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1276656A JPH0694265B2 (en) | 1989-10-24 | 1989-10-24 | Airbag device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1276656A JPH0694265B2 (en) | 1989-10-24 | 1989-10-24 | Airbag device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03136943A JPH03136943A (en) | 1991-06-11 |
| JPH0694265B2 true JPH0694265B2 (en) | 1994-11-24 |
Family
ID=17572494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1276656A Expired - Lifetime JPH0694265B2 (en) | 1989-10-24 | 1989-10-24 | Airbag device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0694265B2 (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0435051U (en) * | 1990-07-13 | 1992-03-24 | ||
| DE4124506A1 (en) * | 1991-07-24 | 1993-01-28 | Daimler Benz Ag | INFLATABLE IMPACT PROTECTION CUSHION |
| JPH05155304A (en) * | 1991-12-06 | 1993-06-22 | Toyota Motor Corp | Air bag device |
| DE4227559C2 (en) * | 1992-08-20 | 1998-01-15 | Daimler Benz Ag | Passenger restraint system for motor vehicles with a gas bag (airbag) |
| US5454595A (en) * | 1994-09-08 | 1995-10-03 | Morton International, Inc. | Hidden volume cushion |
| US5511821A (en) * | 1994-12-21 | 1996-04-30 | Morton International, Inc. | Vehicle restraint system cushion with sacrificial tear seam |
| US5560649A (en) * | 1995-04-25 | 1996-10-01 | Morton International, Inc. | Air bag cushion having variable volume |
| JPH09323605A (en) * | 1996-03-27 | 1997-12-16 | Morton Internatl Inc | Method of protecting occupant within cabin of automobile and method of folding air bag cushion |
| US5803495A (en) * | 1996-04-22 | 1998-09-08 | Autoliv Asp, Inc. | Variable volume airbag cushion |
| US5871231A (en) * | 1996-06-05 | 1999-02-16 | Simula Inc. | Low aggressivity variable-volume variable-inflation air bag system |
| JP5629554B2 (en) | 2010-11-04 | 2014-11-19 | タカタ株式会社 | Air bag and air bag device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5144517U (en) * | 1974-09-28 | 1976-04-01 | ||
| JPH0181349U (en) * | 1987-11-20 | 1989-05-31 |
-
1989
- 1989-10-24 JP JP1276656A patent/JPH0694265B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03136943A (en) | 1991-06-11 |
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