JPH0651459B2 - Airbag device - Google Patents
Airbag deviceInfo
- Publication number
- JPH0651459B2 JPH0651459B2 JP2045633A JP4563390A JPH0651459B2 JP H0651459 B2 JPH0651459 B2 JP H0651459B2 JP 2045633 A JP2045633 A JP 2045633A JP 4563390 A JP4563390 A JP 4563390A JP H0651459 B2 JPH0651459 B2 JP H0651459B2
- Authority
- JP
- Japan
- Prior art keywords
- belt
- airbag
- sewn
- catch
- sewing
- 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、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.
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 in 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が乗員側に略々一方向に膨
出するのを防ぐために、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、挾圧，固着されている。The main gas flow (indicated by arrow a) from the gas generator 2 is fed from the gas inlet 4 to the front side member 3a of the airbag body 3.
In order to prevent the airbag body 3 from bulging toward the occupant in one direction, the end portion 6a of the hanging belt 6 is attached to the rear side member 3b of the airbag body 3 by sewing or the like.
Further, this mounting portion is pinched and fixed by the retainer 5 and the base plate 1.
前記吊りベルト６の端部６ａは、第５図に示す如く、上
下２枚のベルトキャッチ８に縫着され、この２枚のベル
トキャッチ８間に吊りベルト６の端部６ａが夫々縫着さ
れるようになされている。As shown in FIG. 5, the end portion 6a of the hanging belt 6 is sewn to the upper and lower two belt catches 8, and the end portions 6a of the hanging belt 6 are sewn between the two belt catches 8 respectively. It is designed to be.
前記ベルトキャッチ８及び吊りベルト６の端部６ａはエ
アバッグ本体３のリア側部材３ｂに円形状に縫着されて
いる。The belt catch 8 and the end portion 6a of the suspension belt 6 are sewn in a circular shape on the rear side member 3b of the airbag body 3.
然し乍ら、従来のエアバッグ本体３が膨出した際に、吊
りベルト６の長手方向に沿って引張力が作用し、この引
張力がベルトキャッチ８及びエアバッグ本体３のリア側
部材３ｂに加えられ、円形状の縫着部９の吊りベルト６
の長手方向と直交する頂点Ｐに集中的に引張力が加えら
れ、頂点Ｐの縫着部９の縫製糸が破断され、ベルトキャ
ッチ８がエアバッグ本体３より脱落する虞れを有するも
のであった。However, when the conventional airbag body 3 swells, a tensile force acts along the longitudinal direction of the hanging belt 6, and this tensile force is applied to the belt catch 8 and the rear side member 3b of the airbag body 3. , The hanging belt 6 of the circular sewing portion 9
The tensile force is intensively applied to the apex P orthogonal to the longitudinal direction of the belt, the sewing thread of the sewing portion 9 at the apex P is broken, and the belt catch 8 may fall off from the airbag body 3. It was
本発明の目的はエアバッグ本体の膨出時に吊りベルトに
加えられる引張力が一点に集中する虞れがなく、縫着部
の縫製糸の破断を防止し、ベルトキャッチの脱落を防止
し、強度及び安全性を向上させることのできるエアバッ
グ装置を提供するものである。The object of the present invention is to prevent the tensile force applied to the suspension belt from concentrating at one point when the airbag body is inflated, to prevent the breaking of the sewing thread in the sewn portion, to prevent the belt catch from falling off, and to improve the strength. And an airbag device capable of improving safety.
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、前記エアバッグ本体の内側に吊りベ
ルトが取付けられ、該吊りベルトの端部がベルトキャッ
チに縫着され、エアバッグ本体にベルトキャッチが縫着
され、前記エアバッグ本体とベルトキャッチの縫着部の
うち、吊りベルトが縫着された位置におけるベルトキャ
ッチのエアバッグ本体との縫着部が吊りベルトの長手方
向と直交する直線状に形成され、且つ直線状の縫着部の
縫製ピッチが他の縫着部の縫製ピッチより小さく形成さ
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. 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, a suspension belt is attached to the inside of the airbag body, and an end portion of the suspension belt is The belt catch is sewn to the belt catch, the belt catch is sewn to the airbag main body, and the belt catch is sewn to the airbag main body at the position where the hanging belt is sewn at the sewing position of the airbag main body and the belt catch. The stitching portion is formed in a straight line orthogonal to the longitudinal direction of the hanging belt, and the stitching pitch of the straight stitching portion is smaller than the stitching pitch of the other stitching portions. To.
本発明に依れば、エアバッグ本体に固着されるベルトキ
ャッチに吊りベルトの端部を縫製等により縫着し、ベル
トキャッチをエアバッグ本体に縫着する縫着部を吊りベ
ルトの長手方向と直交する方向に直線状に形成したので
吊りベルトに加えられる引張力がベルトキャッチの一点
に集中することなく、均一に直線状の縫着部に加えら
れ、然も直線状の縫着部の縫製ピッチが他の縫着部の縫
製ピッチより小さく形成されているので強度を有し、エ
アバッグ本体や縫製糸の破断を防止することができるも
のである。According to the present invention, the end portion of the hanging belt is sewn to the belt catch fixed to the airbag body by sewing or the like, and the sewn portion for sewing the belt catch to the airbag body is set in the longitudinal direction of the hanging belt. Since it is formed in a straight line in the orthogonal direction, the tensile force applied to the suspension belt is not concentrated on one point of the belt catch, but is applied uniformly to the straight stitched portion, and the straight stitched portion is also sewn. Since the pitch is formed smaller than the sewing pitch of the other sewn portions, it has strength and can prevent breakage of the airbag body and the sewing thread.
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、エアバッグ装置のエ
アバッグ本体２１は吊りベルト31の端部３１ａを縫着し
たベルトキャッチ２３のフロント側部材２１ａ及びリア
側部材２１ｂとの縫着部２５の形状に特徴を有するもの
である。1 to 3 respectively show an outline of an embodiment of an airbag device according to the present invention. An airbag body 21 of the airbag device has a belt formed by sewing an end 31a of a hanging belt 31. It is characterized by the shape of the sewn portion 25 with the front side member 21a and the rear side member 21b of the catch 23.
吊りベルト３１の端部３１ａはベルトキャッチ２３に縫
着されていると共に、エアバッグ本体21のリア側部材２
１ｂのガス注入口２７の外周縁にベルトキャッチ２３が
縫着部２５により縫着されている。尚第１図に示す実施
例においては、吊りベルト３１を４本用いた場合が示さ
れ、また第３図に示す実施例においては吊りベルト３１
を３本用いた場合が示されているが、これに限定される
ものではない。また本実施例においては、エアバッグ本
体２１のリア側部材２１ｂに吊りベルト31の端部３１ａ
を縫着した場合につき説明するが、同様にエアバッグ本
体２１のフロント側部材２１ａに吊りベルト３１の端部
３１ａを縫着する場合にも本発明を適用し得るものであ
る。The end 31a of the hanging belt 31 is sewn to the belt catch 23, and the rear side member 2 of the airbag body 21 is also sewn.
The belt catch 23 is sewn to the outer peripheral edge of the gas inlet 27 of 1b by the sewn portion 25. In the embodiment shown in FIG. 1, a case where four hanging belts 31 are used is shown, and in the embodiment shown in FIG. 3, the hanging belt 31 is used.
Although the case of using three is shown, the present invention is not limited to this. Further, in this embodiment, the end portion 31a of the suspension belt 31 is attached to the rear side member 21b of the airbag body 21.
The case where the end portion 31a of the suspension belt 31 is sewn to the front side member 21a of the airbag body 21 is similarly applied to the present invention.
ベルトキャッチ２３のエアバッグ本体２１のリア側部材
２１ｂとの縫着部２５は略多角形状に形成され、エアバ
ッグ本体２１とベルトキャッチ２３の縫着部２５のう
ち、吊りベルト３１が縫着された位置におけるベルトキ
ャッチ２３のエアバッグ本体２１のリア側部材２１ｂと
の縫着部２５ａが吊りベルト３１の長手方向と直交する
方向に直線状に形成されている。The sewn portion 25 of the belt catch 23 to the rear side member 21b of the airbag body 21 is formed in a substantially polygonal shape, and the hanging belt 31 is sewn to the sewn portion 25 of the airbag body 21 and the belt catch 23. The sewn portion 25a of the belt catch 23 with the rear side member 21b of the airbag body 21 at the open position is linearly formed in the direction orthogonal to the longitudinal direction of the suspension belt 31.
また、直線状の縫着部２５ａの縫製ピッチは1.5〜３m
m、好ましくは２mmに形成され、また吊りベルト３１が
縫着されていない他の縫着部２５ｂの縫着ピッチは３〜
５mm、好ましくは３mmに形成されている。尚吊りベルト
３１が縫着された位置の縫着部２５ａの縫製ピッチが他
の縫着部２５ｂの縫製ピッチより小さく形成されていれ
ばよいものである。The sewing pitch of the straight sewing portion 25a is 1.5 to 3 m.
The sewing pitch of the other sewn portion 25b, which is formed to be m, preferably 2 mm, and to which the hanging belt 31 is not sewn, is 3 to
The thickness is 5 mm, preferably 3 mm. It should be noted that the sewing pitch of the sewn portion 25a at the position where the hanging belt 31 is sewn may be smaller than the sewing pitch of the other sewn portion 25b.
またフロント側部材２１ａ及びリア側部材２１ｂの織目
方向が相互にずれたバイアス状態で前記フロント側部材
２１ａ及びリア側部材２１ｂの外周縁が縫着されている
と共に、前記フロント側部材２１ａ及びリア側部材２１
ｂとベルトキャッチ２３との前記吊りベルト３１の長手
方向と直交する縫着部２５ａが前記フロント側部材２１
ａ及びリア側部材２１ｂの織目方向とずれたバイアス状
態で縫着されている。Further, the outer peripheral edges of the front side member 21a and the rear side member 21b are sewn in a biased state in which the weave directions of the front side member 21a and the rear side member 21b are displaced from each other, and the front side member 21a and the rear side member 21b are sewn together. Side member 21
b and the belt catch 23, the sewn portion 25a orthogonal to the longitudinal direction of the suspension belt 31 is the front side member 21.
a and the rear side member 21b are sewn in a biased state deviated from the weave direction.
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、エアバッグ本体とベルトキ
ャッチの縫着部のうち、吊りベルトが縫着された位置に
おけるベルトキャッチのエアバッグ本体との縫着部が吊
りベルトの長手方向と直交する直線状に形成され、且つ
直線状の縫着部の縫製ピッチが他の縫着部の縫製ピッチ
より小さく形成されているので、吊りベルトに加えられ
る引張力がベルトキャッチとエアバッグ本体との縫着部
の一点に集中することがなく、均一な状態で直線状の縫
着部に加えられ、然も直線状の縫着部の縫製ピッチが他
の縫着部の縫製ピッチより小さく形成されているので強
度を著しく増大させることができ、エアバッグ本体やベ
ルトキャッチとの縫着部の縫製糸の破断を防止でき、従
来の如く円形状に縫着部を形成するものに比較して破断
強度を４０〜５０％向上させることができ、ベルトキャ
ッチが脱落してエアバッグ本体が乗員の顔面や胸部に衝
突する虞れがなく、安全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 the embodiment of the airbag device according to the present invention. According to this configuration, the belt at the position where the suspension belt is sewn in the sewn portions of the airbag body and the belt catch. The sewn portion of the catch with the airbag main body is formed in a straight line orthogonal to the longitudinal direction of the suspension belt, and the sewing pitch of the linear sewn portion is formed smaller than the sewing pitch of the other sewn portions. Therefore, the tensile force applied to the hanging belt is not concentrated at one point of the sewn portion between the belt catch and the airbag body, but is applied to the straight sewn portion in a uniform state, and the straight stitch Since the sewing pitch of the wearing part is formed smaller than the sewing pitch of the other sewing parts, the strength can be remarkably increased, and the breaking of the sewing thread of the sewing part with the airbag body or the belt catch can be prevented, Circular shape as before The breaking strength can be improved by 40 to 50% compared to the one that forms the attachment part, and there is no risk that the belt catch will fall off and the airbag body will collide with the occupant's face or chest, which is excellent in safety It is possible to obtain an air bag device.
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図はエアバッグ本体
の裏面図、第２図は一部拡大説明図、第３図は本発明の
変形例を示すエアバッグ本体の裏面図、第４図は従来の
エアバッグ装置の側断面説明図、第５図は従来のベルト
キャッチの縫着部を示す説明図である。 図中、２１……エアバッグ本体、２１ａ……フロント側
部材、２１ｂ……リア側部材、２３……ベルトキャッ
チ、２５，２５ａ，２５ｂ……縫着部、２７……ガス注
入口、３１……吊りベルト、３１ａ……端部。1 to 3 respectively show an outline of an embodiment of an airbag device according to the present invention. FIG. 1 is a rear view of an airbag body, FIG. 2 is a partially enlarged explanatory view, and FIG. FIG. 4 is a rear view of an airbag main body showing a modified example of the present invention, FIG. 4 is a side sectional view of a conventional airbag device, and FIG. 5 is an explanatory view showing a sewn portion of a conventional belt catch. In the drawing, 21 ... Airbag body, 21a ... Front member, 21b ... Rear member, 23 ... Belt catch, 25, 25a, 25b ... Sewn portion, 27 ... Gas inlet, 31 ... ... Hanging belt, 31a ... End part.
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、前記エアバッグ
本体の内側に吊りベルトが取付けられ、該吊りベルトの
端部がベルトキャッチに縫着され、エアバッグ本体にベ
ルトキャッチが縫着され、前記エアバッグ本体とベルト
キャッチの縫着部のうち、吊りベルトが縫着された位置
におけるベルトキャッチのエアバッグ本体との縫着部が
吊りベルトの長手方向と直交する直線状に形成され、且
つ直線状の縫着部の縫製ピッチが他の縫着部の縫製ピッ
チより小さく形成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, a suspending belt is attached to the inside of the airbag body, and an end portion of the suspending belt is sewn to a belt catch to form an airbag. A belt catch is sewn to the main body, and among the sewn portions of the airbag main body and the belt catch, the sewn portion of the belt catch with the airbag main body at the position where the suspension belt is sewn is the longitudinal direction of the suspension belt. An airbag device, wherein the airbag device is formed in a straight line shape orthogonal to each other, and a sewing pitch of a linear sewing portion is smaller than a sewing pitch of other sewing portions.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2045633A JPH0651459B2 (en) | 1990-02-28 | 1990-02-28 | Airbag device |
| US07/615,059 US5033771A (en) | 1989-11-22 | 1990-11-19 | Airbag restraint system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2045633A JPH0651459B2 (en) | 1990-02-28 | 1990-02-28 | Airbag device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03248945A JPH03248945A (en) | 1991-11-06 |
| JPH0651459B2 true JPH0651459B2 (en) | 1994-07-06 |
Family
ID=12724771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2045633A Expired - Lifetime JPH0651459B2 (en) | 1989-11-22 | 1990-02-28 | Airbag device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0651459B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0608437B1 (en) * | 1992-08-19 | 1997-11-05 | Teijin Limited | Air bag of high bursting strength |
| WO1994006652A1 (en) * | 1992-09-14 | 1994-03-31 | Teijin Limited | Air bag with reinforcing belts |
| JPH07223502A (en) * | 1994-02-07 | 1995-08-22 | Ikeda Bussan Co Ltd | Air bag body of air bag device |
| JP2903198B2 (en) * | 1994-03-22 | 1999-06-07 | 池田物産株式会社 | Airbag body of airbag device |
-
1990
- 1990-02-28 JP JP2045633A patent/JPH0651459B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03248945A (en) | 1991-11-06 |
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