JPH03153438A - Air bag device - Google Patents

Air bag device

Info

Publication number
JPH03153438A
JPH03153438A JP28953389A JP28953389A JPH03153438A JP H03153438 A JPH03153438 A JP H03153438A JP 28953389 A JP28953389 A JP 28953389A JP 28953389 A JP28953389 A JP 28953389A JP H03153438 A JPH03153438 A JP H03153438A
Authority
JP
Japan
Prior art keywords
base plate
gas
gas generator
airbag
gas inlet
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.)
Pending
Application number
JP28953389A
Other languages
Japanese (ja)
Inventor
Fumio Miyauchi
富美雄 宮内
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ikeda Corp
Original Assignee
Ikeda Bussan Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ikeda Bussan Co Ltd filed Critical Ikeda Bussan Co Ltd
Priority to JP28953389A priority Critical patent/JPH03153438A/en
Publication of JPH03153438A publication Critical patent/JPH03153438A/en
Pending legal-status Critical Current

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  • Air Bags (AREA)

Abstract

PURPOSE:To enhance assembly work effectiveness by extendedly providing a mounting part in the state of being folded back on the back side of a base plate in the peripheral part of a gas inlet hole of an air bag main body, and connecting this mounting part in the state wherein it is pinched between the base plate and a gas generator with a bolt. CONSTITUTION:A through hole 25 is formed at the nearly central part of a base plate 13 of an air bag device 11, the front edge side of a gas generator 17 is projected in the forward direction from this through hole 25, and gas blowout holes 17a of the gas generator 17 are inserted into an air bag main body 19 from a gas inlet hole 21. And, a mounting part 23 formed along the peripheral part of the gas inlet hole 21 of the gas (air) bag main body 19 is pinched between the back side of the base plate 13 and the gas generator 17. The mounting part 23 of the air bag main body 19 is extendedly mounted from the peripheral part of the gas inlet hole 21 to the outside in the state of being folded back, and after this mounting part 23 is inserted from the front side to the back side of the through hole 25, bolts 15a are mounted to bolt holes 23a, 18a penetrating them, and the above three 13, 17, 19 are fixed by tightening nuts 15b.

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、ガス注入口を有
するエアバッグ本体と、前記ガス注入口側に連結された
ガス発生器とを備え、前記ガス発生器は固定側に固着さ
れたベースプレートに固着され、該ベースプレートに形
成された透孔の周縁部に前記ガス注入口の周縁部が取付
けられたエアバッグ装置に関する。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an airbag device that protects occupants in the event of a collision of a vehicle, etc. More specifically, the present invention relates to an airbag device that protects occupants in the event of a collision of a vehicle, etc. More specifically, it includes an airbag body having a gas injection port; a gas generator connected to the gas inlet side, the gas generator being fixed to a base plate fixed to the stationary side, and a peripheral edge of the gas inlet being attached to a peripheral edge of a through hole formed in the base plate. The present invention relates to an airbag device to which a part is attached.

〔従来の技術〕[Conventional technology]

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。このエアバッグ装fとして、特公昭
56−43890号公報が存在し、またエアバッグ本体
の保持構造としては、実開昭54−69543号公報及
び実開昭52−119234号公報等が存在する。
2. Description of the Related Art Airbag devices have been known as protection devices for occupants of vehicles and the like. Japanese Patent Publication No. 56-43890 exists as this air bag device f, and Japanese Utility Model Application Publication No. 54-69543, Japanese Utility Model Application No. 52-119234, etc. exist as a holding structure for the air bag body.

エアバッグ装置としては、第4図及び第5図に示す如く
、インストルメントパネルやステアリング等の固定側に
取付けられたベースプレー)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を介してボルト6゜ナツト7により固着され、且つブ
ラインドリベット8によりリテーナ5とベースプレート
1との間に固着され、所定の条件のもとてガス発生器が
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。
As shown in FIGS. 4 and 5, the airbag device is an airbag device in which a gas generator 2 is fixed to a base plate 1 attached to a fixed side of an instrument panel, a steering wheel, etc., and has a gas inlet 4. When the bag body 3 is fixed via the retainer 5 by bolts 6 and nuts 7, and between the retainer 5 and the base plate 1 by blind rivets 8, and the gas generator is operated under predetermined conditions, Gas instantaneously flows into the airbag body 3, causing the airbag body 3 to inflate instantaneously.

〔発明が解決しようとする課8] 然し乍ら、従来のエアバッグ本体3の膨出時、即ちガス
発生器2の作動時にエアハング本体3のガス注入口4の
取付部に衝撃力が加えられるため、ガス漏れやガス注入
口4の破損が発生する虞れを有していた。このためガス
注入口の周縁部を強固にする種々の方法が採用されてい
る。例えば取付部を複数枚の布地を重ね合わせて形成し
、またはガス注入口の厚みを他の部分に比較して厚く形
成したり、または補強布を用いたりしている。
[Problem 8 to be solved by the invention] However, when the conventional airbag main body 3 is inflated, that is, when the gas generator 2 is activated, an impact force is applied to the mounting portion of the gas inlet 4 of the air hang main body 3. There was a risk that gas leakage or damage to the gas inlet 4 would occur. For this reason, various methods have been adopted to strengthen the peripheral edge of the gas inlet. For example, the mounting portion is formed by overlapping multiple pieces of fabric, the gas inlet is made thicker than other parts, or a reinforcing fabric is used.

このような従来のエアバッグ本体3の取付構造では、リ
テーナ5をエアバッグ本体3の内側に人れる必要があり
、取付作業が著しく煩雑であり、且つリテーナや補強布
等の部品点数を減少させることができず、コストアップ
となる欠点を有するものであった。
In such a conventional mounting structure of the airbag main body 3, the retainer 5 needs to be placed inside the airbag main body 3, which makes the mounting work extremely complicated and reduces the number of parts such as the retainer and reinforcing cloth. However, this method had the drawback of increasing costs.

本発明の目的は、エアバング本体をリテーナによるボル
ト止め等の作業を行うことなく強固に取付けることがで
き、エアバッグ本体が脱落したり、破損する虞れがなく
、部品点数を減少させて作業能率を向上させることがで
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。
The purpose of the present invention is to enable the airbag body to be firmly attached without performing work such as bolting with a retainer, eliminate the risk of the airbag body falling off or being damaged, and reducing the number of parts to improve work efficiency. The purpose of the present invention is to provide an airbag device that can improve the airbag performance and is extremely economical.

〔課題を解決するための手段〕[Means to solve the problem]

本発明は上述せる課題に鑑みてなされたもので、ガス注
入口を有するエアバッグ本体と、前記ガス注入口側に連
結されたガス発生器とを備え、前記ガス発生器は固定側
に固着されたベースプレートに固着され、該ベースプレ
ートに形成された透孔の周縁部に前記ガス注入口の周縁
部が取付けられたエアバング装置において、前記エアバ
ッグ本体のガス注入口の周縁部に前記ベースプレートの
透孔の周縁部よりベースプレートの背面側に折り返され
た状態の取付部が延設され、該エアバッグ本体の取付部
には前記ガス発生器をベースプレートに固着させる複数
のボルトを挿通し得る複数のボルト穴が穿設され、前記
エアバッグ本体の取付部が取付部に形成したボルト穴に
ボルトを夫々挿通させた状態で前記ベースプレートの背
面側とガス発生器との間で挾持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 includes an airbag body having a gas inlet, and a gas generator connected to the gas inlet side, the gas generator being fixed to a fixed side. In the airbag device, the gas inlet is attached to a peripheral edge of a through hole formed in the base plate. A folded mounting part extends from the peripheral edge of the airbag body to the back side of the base plate, and the mounting part of the airbag body has a plurality of bolt holes through which a plurality of bolts for fixing the gas generator to the base plate can be inserted. is formed in the airbag body, and the mounting portion of the airbag body is held between the back side of the base plate and the gas generator with bolts inserted into the bolt holes formed in the mounting portion. do.

〔作用〕[Effect]

本発明に依れば、エアバッグ本体のガス注入口の周縁部
に前記ベースプレートの透孔の周縁部よりベースプレー
トの背面側に折り返された状態の取付部が延設され、該
エアバッグ本体の取付部には前記ガス発生器をベースプ
レートに固着させる複数のボルトを挿通し得る複数のボ
ルト穴が穿設されているので、前記エアバッグ本体の取
付部をベースプレートの透孔の前面側より背面側に挿入
し、この取付部のボルト穴にベースプレートとガス発生
器とを固着させるボルトを挿通させることができ、この
ボルトにより取付部が係止状態とされると共に、ベース
プレートの背面側とガス発生器との間で挾持されるもの
である。
According to the present invention, a mounting portion is provided on the peripheral edge of the gas inlet of the airbag body, and is folded back from the peripheral edge of the through hole of the base plate toward the back side of the base plate, and the mounting portion of the airbag body is fixed. Since a plurality of bolt holes are drilled in the part through which a plurality of bolts for fixing the gas generator to the base plate can be inserted, the mounting part of the airbag body is placed closer to the rear side than the front side of the through hole of the base plate. A bolt that fixes the base plate and the gas generator can be inserted into the bolt hole of this mounting part, and this bolt locks the mounting part and also connects the back side of the base plate and the gas generator. It is held between.

〔実施例〕〔Example〕

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。
The airbag device according to the present invention will be described in detail below with reference to the drawings.

第1図及び第2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ll
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。
FIG. 1 and FIG. 2 each schematically show an embodiment of an airbag device according to the present invention.
The fixed side to which the base plate 13 is attached can be the steering side or the instrument panel side.

エアバッグ装置11はベースプレート13にボルト、ナ
ツト等の固着手段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(、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 gas generator 17 may be one (or a plurality of gas generators 17 may be provided, one pair on the left and the right), and when a plurality of gas generators 17 are used, it is sufficient to form a plurality of gas inlets 21. .

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 main body 19 is formed by laminating synthetic resin sheets on 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D 17 aがガス
注入[121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
縁部に沿って形成された取付部23がベースプレート1
3の背面側とガス発生器17との間に挾持されている。
A through hole 25 is formed in the approximate center of the base plate 13, and the front end side of the gas generator 17 protrudes forward from the through hole 25, so that the gas jet D17a of the gas generator 17 is injected into the airbag. It is inserted inside the main body 19. A mounting portion 23 formed along the peripheral edge of the gas inlet 21 of the airbag body 19 is attached to the base plate 1.
3 and the gas generator 17.

前記エアバッグ本体19の取付部23はガス注入口21
の周縁部より外側に折り返された状態で延設されており
、この取付部23がベースプレート13の透孔25の前
面側から背面側に挿入されるようになされている。また
取付部23にはガス発生器17をベースプレー1−13
に固着させるボルト、ナンドからなる固着手段15のボ
ルト15aが挿通される複数のボルト穴23aが穿設さ
れている。尚図中符号18はガス発生器17の取付はフ
ランジ部であり、また符号15bは固着手段15のナツ
トである。そして、第1図に示す如く、ベースプレー1
−13の透孔25の前面側よりへ一スプレート13の背
面側に前記取付部23を挿入し、取付部23の複数のボ
ルト穴23aにボルト15aを夫々挿通し、次いでガス
発生器17の取付フランジ部18のボルト穴18aにボ
ルト15aを挿通し、ナツト15bを締め付けることに
よりベースプレート13とガス発生器17とが固着され
、且つベースプレート13とガス発生器17との間にエ
アバッグ本体19の取付部23が挟持された状態を得る
ことができる。
The mounting portion 23 of the airbag body 19 has a gas inlet 21
The attachment portion 23 is inserted from the front side of the through hole 25 of the base plate 13 to the back side. In addition, the gas generator 17 is attached to the base plate 1-13 in the mounting part 23.
A plurality of bolt holes 23a are drilled through which bolts 15a of the fixing means 15 made of bolts and NANDs are inserted. In the figure, reference numeral 18 is a flange portion to which the gas generator 17 is attached, and reference numeral 15b is a nut of the fixing means 15. Then, as shown in Figure 1, base play 1
Insert the mounting part 23 from the front side of the through hole 25 of -13 to the back side of the heel plate 13, insert the bolts 15a into the plurality of bolt holes 23a of the mounting part 23, and then insert the bolts 15a into the gas generator 17. By inserting the bolts 15a into the bolt holes 18a of the mounting flange portion 18 and tightening the nuts 15b, the base plate 13 and the gas generator 17 are fixed, and the airbag body 19 is secured between the base plate 13 and the gas generator 17. A state in which the attachment portion 23 is clamped can be obtained.

第3図には本発明の変形例が示されており、この実施例
ではエアバッグ本体19の取付部23の外周縁に突条を
形成する芯材31が固着され、この芯材31が前記ガス
発生器17の取付フランジ部18の外周縁に係止される
ようになされているもので、その他の構成は前述せる実
施例と同様である。
FIG. 3 shows a modification of the present invention, in which a core material 31 forming a protrusion is fixed to the outer peripheral edge of the mounting portion 23 of the airbag body 19, and this core material 31 is It is adapted to be secured to the outer peripheral edge of the mounting flange portion 18 of the gas generator 17, and the other configurations are the same as those of the previously described embodiment.

この実施例に依れば突条を形成する芯材31が取付フラ
ンジ部18の外周縁に係止されているためエアバッグ本
体19の取付状態をより強固なものとすることができる
ものである。
According to this embodiment, since the core material 31 forming the protrusion is locked to the outer peripheral edge of the mounting flange portion 18, the mounting state of the airbag body 19 can be made stronger. .

〔発明の効果〕〔Effect of the invention〕

以ト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、エアバッグ本体のガス注入
口の周縁部に取付部が延設され、この取付部がベースプ
レートの透孔の前面側から背面側に折り返された状態で
形成され、この取付部にはガス発生器をベースプレート
に固着させる複数のボルトを挿通し得る複数のボルト穴
が穿設されているので、前記エアバッグ本体の取付部を
ベースプレートの透孔の前面側より背面側に挿入し、こ
の取付部のボルト穴にベースプレートとガス発生器とを
固着させるボルトを挿通させることができ、このボルト
により取付部が係止状態とされると共に、ボルト、ナツ
トの締め付けによりベースプレートの背面側とガス発生
器との間で取付部が挟持され、エアバッグ本体をリテー
ナを用いることなく簡易迅速に且つ強固に固着すること
ができ、部品点数を減少させて組付作業能率を著しく向
上させることができ、著しく経済性に優れたエアハング
装置を得ることができる。
The following is the configuration of an embodiment of the airbag device according to the present invention. According to this configuration, a mounting portion is provided extending from the periphery of the gas inlet of the airbag main body, and this mounting portion is It is formed by folding back from the front side of the through hole in the base plate to the back side, and this mounting part has multiple bolt holes drilled through which multiple bolts can be inserted to fix the gas generator to the base plate. , the mounting part of the airbag body can be inserted from the front side to the back side of the through hole of the base plate, and a bolt for fixing the base plate and the gas generator can be inserted into the bolt hole of this mounting part, and with this bolt, When the mounting part is locked, the mounting part is clamped between the back side of the base plate and the gas generator by tightening the bolts and nuts, and the airbag body can be quickly and firmly fixed without using a retainer. The air hang device can be fixed firmly, the number of parts can be reduced, the assembly work efficiency can be significantly improved, and an air hang device can be obtained which is extremely economical.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図及び第2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図は断面説明図、第
2図は分解斜視図、第3図は本発明の変形例を示す断面
説明図、第4図及び第5図は従来のエアバッグ装置の分
解斜視図及び断面図である。 図中、11・・・エアバッグ装置、13・・・ベースプ
レート、15・・・固着手段、15a・・・ボルト、1
5b・・・ナツト、17・・・ガス発生器、17a・・
・ガス噴出口、18・・・取付フランジ部、19・・・
エアバッグ本体、21・・・ガス注入口、23・・・取
付部、23a・・・ボルト穴、31・・・芯材。 第 4 図 第 図
1 and 2 schematically show an embodiment of an airbag device according to the present invention, in which FIG. 1 is an explanatory cross-sectional view, FIG. 2 is an exploded perspective view, and FIG. 3 is an exploded perspective view of the airbag device according to the present invention. 4 and 5 are an exploded perspective view and a sectional view of a conventional airbag device. In the figure, 11... Air bag device, 13... Base plate, 15... Fixing means, 15a... Bolt, 1
5b...nut, 17...gas generator, 17a...
・Gas outlet, 18...Mounting flange part, 19...
Airbag body, 21... Gas inlet, 23... Mounting part, 23a... Bolt hole, 31... Core material. Figure 4

Claims (1)

【特許請求の範囲】[Claims] (1)ガス注入口を有するエアバッグ本体と、前記ガス
注入口側に連結されたガス発生器とを備え、前記ガス発
生器は固定側に固着されたベースプレートに固着され、
該ベースプレートに形成された透孔の周縁部に前記ガス
注入口の周縁部が取付けられたエアバッグ装置において
、前記エアバッグ本体のガス注入口の周縁部に前記ベー
スプレートの透孔の周縁部よりベースプレートの背面側
に折り返された状態の取付部が延設され、該エアバッグ
本体の取付部には前記ガス発生器をベースプレートに固
着させる複数のボルトを挿通し得る複数のボルト穴が穿
設され、前記エアバッグ本体の取付部が取付部に形成し
たボルト穴にボルトを夫々挿通させた状態で前記ベース
プレートの背面側とガス発生器との間で挾持されている
ことを特徴とするエアバッグ装置。
(1) comprising an airbag main body having a gas inlet, and a gas generator connected to the gas inlet side, the gas generator being fixed to a base plate fixed to a fixed side;
In the airbag device in which the peripheral edge of the gas inlet is attached to the peripheral edge of the through hole formed in the base plate, the base plate is attached to the peripheral edge of the gas inlet of the airbag body from the peripheral edge of the through hole of the base plate. A mounting portion in a folded state extends on the back side of the airbag body, and a plurality of bolt holes are drilled in the mounting portion of the airbag body through which a plurality of bolts for fixing the gas generator to the base plate can be inserted, An airbag device characterized in that the mounting portion of the airbag main body is held between the back side of the base plate and the gas generator with bolts inserted into bolt holes formed in the mounting portion.
JP28953389A 1989-11-07 1989-11-07 Air bag device Pending JPH03153438A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP28953389A JPH03153438A (en) 1989-11-07 1989-11-07 Air bag device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP28953389A JPH03153438A (en) 1989-11-07 1989-11-07 Air bag device

Publications (1)

Publication Number Publication Date
JPH03153438A true JPH03153438A (en) 1991-07-01

Family

ID=17744486

Family Applications (1)

Application Number Title Priority Date Filing Date
JP28953389A Pending JPH03153438A (en) 1989-11-07 1989-11-07 Air bag device

Country Status (1)

Country Link
JP (1) JPH03153438A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5580080A (en) * 1995-09-20 1996-12-03 Morton International, Inc. Cushion attachment for airbags
US5642900A (en) * 1995-10-31 1997-07-01 General Motors Corporation Air bag attachment to module
US5791682A (en) * 1994-12-26 1998-08-11 Toyoda Gosei Co., Ltd. Air bag device with air bag and inflation mounting structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5791682A (en) * 1994-12-26 1998-08-11 Toyoda Gosei Co., Ltd. Air bag device with air bag and inflation mounting structure
US5580080A (en) * 1995-09-20 1996-12-03 Morton International, Inc. Cushion attachment for airbags
EP0774385A2 (en) * 1995-09-20 1997-05-21 Morton International, Inc. Cushion attachment for airbags
EP0774385A3 (en) * 1995-09-20 1999-01-13 Morton International, Inc. Cushion attachment for airbags
US5642900A (en) * 1995-10-31 1997-07-01 General Motors Corporation Air bag attachment to module

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