JP2507414Y2 - Car airbag - Google Patents
Car airbagInfo
- Publication number
- JP2507414Y2 JP2507414Y2 JP1989032550U JP3255089U JP2507414Y2 JP 2507414 Y2 JP2507414 Y2 JP 2507414Y2 JP 1989032550 U JP1989032550 U JP 1989032550U JP 3255089 U JP3255089 U JP 3255089U JP 2507414 Y2 JP2507414 Y2 JP 2507414Y2
- Authority
- JP
- Japan
- Prior art keywords
- sewn
- engaging surface
- regulating member
- peripheral edge
- opening
- 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
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、自動車の衝突時等に作動するガス発生器か
らのガスにより膨張し、着座乗員の衝撃を吸収してその
保護を図る自動車のエアバックに関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention is directed to an automobile of which the expansion is caused by gas from a gas generator that operates at the time of collision of a vehicle and the impact of a seated occupant is absorbed to protect the vehicle. Regarding airbags.
従来、この種の自動車のエアバックは、合成繊維の織
布にゴム或いは合成樹脂をコーティングした２枚の基材
の外縁部を縫合して袋体が形成されており、袋体の開口
周縁部にガス発生器を取り付けてある。そして、エアバ
ックの膨張展開時に袋体が乗員方向に突出変形しないよ
うに、２枚の基材は開口周縁部と乗員当接面中央部との
間に展開状態を規制する規制部材を固着してある。2. Description of the Related Art Conventionally, an airbag for an automobile of this type has a bag body formed by stitching the outer edges of two base materials coated with rubber or synthetic resin on a synthetic fiber woven cloth. A gas generator is attached to. Then, in order to prevent the bag body from projecting and deforming toward the occupant when the airbag is inflated and deployed, the two base members are fixed with a restricting member for restricting the deployed state between the opening peripheral edge portion and the central portion of the occupant contact surface. There is.
かかるエアバックとして、特開昭49−104334号公報に
記載のものが提供されている。このものは、規制部材が
円形状を呈する係合面部と、この係合面部の周縁から放
射状に延出した脚片部と、脚片部の下端部に折曲形成さ
れた支承部を有し、係合面部を乗員当接面中央部に固着
すると共に、支承部を開口周縁部に固着したものであ
る。As such an air bag, the one described in JP-A-49-104334 is provided. This one has an engaging surface portion in which the regulating member has a circular shape, a leg piece portion radially extending from a peripheral edge of the engaging surface portion, and a supporting portion bent at a lower end portion of the leg piece portion. The engaging surface portion is fixed to the central portion of the occupant contact surface, and the support portion is fixed to the opening peripheral edge portion.
また、実開昭63−112952号公報には、帯状の規制部材
の上端部を乗員当接面中央部に縫着すると共に、下端部
を開口周縁部に縫着したものが開示されている。Further, Japanese Utility Model Laid-Open No. 63-112952 discloses a belt-shaped restricting member whose upper end is sewn to the center of the occupant contact surface and whose lower end is sewn to the peripheral edge of the opening.
従来の規制部材は、その下端部を袋体の開口周縁部に
接着或いは縫着等の手段により固着したものであるが、
規制部材により袋体の開口周縁部と乗員当接面中央部と
の距離が規制されるため、エアバック製造時における開
口周縁部に帯状体を固着する作業は困難性を有してい
た。The conventional restricting member has its lower end fixed to the peripheral edge of the opening of the bag by means such as adhesion or sewing.
Since the distance between the opening peripheral edge of the bag body and the central portion of the occupant contact surface is restricted by the restriction member, it is difficult to fix the band-shaped body to the opening peripheral edge at the time of manufacturing the airbag.
また、開口周縁部に帯状の支承部を固着する構成であ
るので、開口周縁部には厚みに差ができて凹凸が生じ、
ガス発生器を取り付けたときにこの袋体取付部の気密性
が保たれず、ガス漏れが生じる危険性があった。Further, since the belt-shaped support portion is fixed to the peripheral edge portion of the opening, the peripheral edge portion of the opening has a difference in thickness, which causes unevenness.
When the gas generator was attached, the airtightness of the bag attachment part was not maintained, and there was a risk of gas leakage.
本考案は、従来の技術の有するこのような問題点に鑑
みてなされたものであり、その目的とするところは、規
制部材の取付作業が簡単であると共に、気密性が保たれ
た自動車のエアバックを提供しようとするものである。The present invention has been made in view of the above problems of the prior art, and an object of the present invention is to easily install a restricting member and to keep airtightness of an automobile. It is intended to provide a bag.
上記目的を達成するために、本考案における自動車の
エアバックは、重ね合わせたその外縁部を縫合すること
によって袋体に形成される２枚の基材と、係合面部の周
縁より放射状に延出した複数の脚片部を備えた一対の規
制部材とを有し、一方の基材の開口周縁部には一方の規
制部材の係合面部を縫着してあり、他方の基材の乗員当
接面中央部には他方の規制部材の係合面部を縫着してあ
り、各基材に縫着してある規制部材の脚片部を縫着する
ことにより連結するようにしてある。In order to achieve the above object, an automobile airbag according to the present invention has two base materials formed on a bag body by stitching the overlapped outer edges of the airbag, and extends radially from the periphery of the engaging surface section. And a pair of regulating members having a plurality of leg pieces that are projected, and the engaging surface portion of one regulating member is sewn to the opening peripheral edge of one substrate, and the occupant of the other substrate. The engaging surface portion of the other regulating member is sewn to the center portion of the contact surface, and the leg pieces of the regulating member sewn to each base material are sewn to be connected.
実施例について図面を参照して説明する。 Examples will be described with reference to the drawings.
第１図は本考案に係る自動車のエアバックの膨張展開
した状態の断面図、第２図は膨張展開した状態の規制部
材20a,20bの斜視図である。FIG. 1 is a sectional view of an automobile airbag according to the present invention in an inflated and deployed state, and FIG. 2 is a perspective view of the regulating members 20a, 20b in the inflated and deployed state.
本考案に係る自動車のエアバックは、円形状を呈する
２枚の基材11,12を有する。そして、これら基材11,12を
重ね合わせて、その外縁部を縫合することによって袋体
10が形成される。An automobile airbag according to the present invention has two base materials 11 and 12 having a circular shape. Then, the base materials 11 and 12 are overlapped with each other, and the outer edge portion thereof is sewn to form a bag body.
10 are formed.
これら基材11,12は、合成繊維製の織布に耐熱性を有
するゴム或いは合成樹脂をコーティングした柔軟で気密
性を有する材料から成っており、コーティングされた面
は袋体10の内側に面するように配置されている。These base materials 11 and 12 are made of a flexible and airtight material obtained by coating synthetic fiber woven cloth with heat resistant rubber or synthetic resin, and the coated surface is the inner surface of the bag body 10. It is arranged to.
一方の基材11の中央部には、ガス発生器30を嵌挿する
ための開口13を設けてある。この開口周縁部14の内面側
は、基材11と同様な材料から成る補強布（図示せず）を
縫着することにより補強してもよい。他方の基材12は、
膨張展開時において乗員と当接する側に配置される。An opening 13 for inserting the gas generator 30 is provided at the center of one of the base materials 11. The inner surface side of the opening peripheral edge portion 14 may be reinforced by sewing a reinforcing cloth (not shown) made of the same material as the base material 11. The other base material 12 is
It is arranged on the side that comes into contact with the occupant during inflation and deployment.
袋体10の両基材11,12内には、一対の規制部材20a,20b
が配設されている。即ち、袋体10の開口周縁部14内面に
縫着する規制部材20aと、乗員当接面中央部15内面に縫
着する規制部材20bとであり、これら規制部材20a,20b
は、袋体10が膨張展開された際に乗員方向に突出変形し
ないように、基材11と基材12との展開距離を一定値以下
に規制するためのものである。Inside the base materials 11 and 12 of the bag body 10, a pair of regulating members 20a and 20b are provided.
Are arranged. That is, the regulating member 20a sewn to the inner surface of the opening peripheral portion 14 of the bag body 10 and the regulating member 20b sewn to the inner surface of the occupant contacting surface central portion 15, these regulating members 20a, 20b.
Is for restricting the deployment distance between the base material 11 and the base material 12 to a certain value or less so that the bag body 10 does not project and deform in the occupant direction when inflated and deployed.
各規制部材20a,20bは、比較的柔軟で且つ保形性を有
する合成繊維製の織布により作製すればよく、前記基材
11,12と同様に、耐熱性を有するゴム或いは合成樹脂を
コーティングしたものでもよい。また、各規制部材20a,
20bは、１枚の織布により構成してもよく、２枚以上の
織布で複数層を構成するようにしてもよい。２枚以上の
織布により構成する場合は、強度を増大させるために、
隣接する層の織布の織目が同一方向に並ばないように両
織目が角度差をもつように積層して縫着するのがよい。Each of the regulation members 20a, 20b may be made of a synthetic fiber woven fabric that is relatively flexible and has a shape-retaining property.
Similar to 11,12, it may be coated with heat resistant rubber or synthetic resin. In addition, each regulation member 20a,
20b may be configured by one woven fabric or may be configured by a plurality of layers by two or more woven fabrics. When it is composed of two or more woven fabrics, in order to increase the strength,
It is advisable to sew the woven fabrics of adjacent layers so that the weaves of the woven fabrics are laminated in such a manner that they have an angle difference so that the weaves of the woven fabrics are not aligned in the same direction.
一方の規制部材20aは、円形状又は多角形状等よりな
る適宜の大きさに形成された係合面部21aと、この係合
面部21aの周縁から一定の間隔を以て放射方向に所定の
長さ及び幅を有して延出された複数本の脚片部22a,22a
…を有する。係合面部21aの中央部には、前記基材11の
開口13と同径の開口23を設けてある。また、係合面部21
aには、前記基材11の開口周縁部14に設けた開孔と対応
する部位に開孔24,24…を設けてある。そして、係合面
部21aを開口周縁部14内面に縫着することにより、規制
部材20aを基材11に固着してある。One restricting member 20a is an engaging surface portion 21a formed in an appropriate size such as a circular shape or a polygonal shape, and a predetermined length and width in the radial direction with a constant distance from the peripheral edge of the engaging surface portion 21a. A plurality of leg pieces 22a, 22a extended with
Have ... An opening 23 having the same diameter as the opening 13 of the base material 11 is provided at the center of the engaging surface portion 21a. Also, the engaging surface portion 21
Openings 24, 24 ... Are provided in a portion of a corresponding to the openings provided in the opening peripheral edge portion 14 of the base material 11. Then, the restricting member 20a is fixed to the base material 11 by sewing the engagement surface portion 21a to the inner surface of the opening peripheral edge portion 14.
他方の規制部材20bも、前記規制部材20aと対称に、円
形状又は多角形状等よりなる適宜の大きさに形成された
係合面部21bと、この係合面部21bの周縁から一定の間隔
を以て放射方向に所定の長さ及び幅を有して延出された
複数本の脚片部22b,22b…を有する。係合面部21bには、
所望に応じて開口（図示せず）を設けてもよい。そし
て、係合面部21bを乗員当接面中央部15内面に縫着する
ことにより、規制部材20bを基材12に固着してある。The other restricting member 20b is also symmetrical with the restricting member 20a, and has an engaging surface portion 21b formed in an appropriate size such as a circular shape or a polygonal shape, and radiates from the periphery of the engaging surface portion 21b at a constant interval. A plurality of leg pieces 22b, 22b ... Having a predetermined length and width in the direction are provided. The engaging surface portion 21b,
An opening (not shown) may be provided if desired. Then, the restricting member 20b is fixed to the base material 12 by sewing the engagement surface portion 21b to the inner surface of the central portion 15 of the occupant contacting surface.
そして、相対応する規制部材20aの脚片部22aの先端部
と規制部材20bの脚片部22bの先端部は、連着することに
より連結してある。この連着作業は、各規制部材20a,20
bを夫々基材11,12に縫着した後に行うことにより、エア
バックの製造を容易に行うことができる。Then, the tip end portions of the leg piece portions 22a of the regulating member 20a and the tip end portions of the leg piece portions 22b of the regulating member 20b, which correspond to each other, are connected to each other by coupling. This connecting work is performed by each of the restriction members 20a, 20
By carrying out after b is sewn to the base materials 11 and 12, respectively, it is possible to easily manufacture the airbag.
ガス発生器30は、内部にガス発生剤を封入した薄い円
筒容器状のもので、その側面部には、円周方向に沿い適
宜の間隔を置いて、複数個のガス噴出口31,31…が形成
されている。そして、ガス発生剤を起爆させることによ
って発生したガスは、その噴出口31,31…からガス発生
器30の軸線に直交する方向に噴出するようになってい
る。また、ガス発生器30の外周にはガス噴出口31,31…
の側方にフランジ32を設けてあり、このフランジ32に保
持金具33が取り付けられている。The gas generator 30 is in the shape of a thin cylindrical container in which a gas generating agent is enclosed, and a plurality of gas ejection ports 31, 31, ... Are provided on the side surface thereof at appropriate intervals along the circumferential direction. Are formed. The gas generated by detonating the gas generating agent is ejected from the ejection ports 31, 31, ... In a direction orthogonal to the axis of the gas generator 30. In addition, on the outer periphery of the gas generator 30, gas outlets 31, 31, ...
Is provided with a flange 32 on the side thereof, and a holding metal fitting 33 is attached to the flange 32.
袋体10は、基材11の開口周縁部14及び規制部材20aの
係合面部21aを固定リング34と保持金具33との間で挟み
付け、開口周縁部14及び係合面部21aの開孔24,24…にボ
ルト35,35…或いはリベットを挿通して締結することに
よって、ガス発生器30に気密に結合されている。そし
て、このエアバックは、折畳んだ状態で、ステアリング
ホイール（図示せず）の中心部に取り付けられる。In the bag body 10, the opening peripheral edge portion 14 of the base material 11 and the engaging surface portion 21a of the regulating member 20a are sandwiched between the fixing ring 34 and the holding metal fitting 33, and the opening peripheral edge portion 14 and the opening 24 of the engaging surface portion 21a. The gas generator 30 is hermetically coupled by inserting bolts 35, 35 ... The airbag is attached to the center of a steering wheel (not shown) in a folded state.
自動車の衝突等が発生すると、図示しないセンサによ
りガス発生器30内のガス発生剤が起爆してガスが発生す
る。発生したガスは、噴出口31,31…からガス発生器30
の軸線に直交する方向に噴出する。そして、基材11の開
口周縁部14を介してエアバック内に供給され、エアバッ
クは第１図に示すように膨張展開される。When a vehicle collision or the like occurs, a gas generating agent in the gas generator 30 is detonated by a sensor (not shown) to generate gas. The generated gas is discharged from the gas outlets 30, 31 ...
Ejects in a direction orthogonal to the axis of. Then, the air is supplied into the air bag through the opening peripheral edge portion 14 of the base material 11, and the air bag is inflated and expanded as shown in FIG.
このとき、基材11の開口周縁部14は、規制部材20aの
係合面部21により補強されているので、ガス漏れを防止
することができる。At this time, since the opening peripheral edge portion 14 of the base material 11 is reinforced by the engaging surface portion 21 of the regulating member 20a, gas leakage can be prevented.
そして、袋体10は、膨張時に規制部材20a,20bにより
乗員当接面中央部15が比較的平坦な形状に規制され、乗
員の頭部及び胸部を確実且つ安全に受け止め、衝撃力を
吸収緩和することができる。When the bag body 10 is inflated, the occupant contact surface center portion 15 is regulated by the regulation members 20a and 20b to a relatively flat shape, and the occupant's head and chest are reliably and safely received and the impact force is absorbed and relaxed. can do.
本考案は、上述の通り構成されており、袋体の開口周
縁部に縫着する規制部材の係合面部は平面状であるの
で、袋体の取付部には凹凸が生ぜず、気密性が保たれて
ガス漏れを生じるおそれはない。The present invention is configured as described above, and since the engaging surface portion of the regulating member sewn to the peripheral edge portion of the opening of the bag body is flat, the mounting portion of the bag body does not have unevenness, and airtightness is ensured. There is no risk of gas leakage due to retention.
また、両規制部材の連着を別工程で行うことができる
ので、基材への規制部材の取付作業を容易に行うことが
できる。Further, since both the restriction members can be connected in separate steps, the work of attaching the restriction member to the base material can be easily performed.
さらに、袋体の開口周縁部に規制部材の係合面部を縫
着するので、袋体の取付部の破断強度を増大させること
ができる。Further, since the engaging surface portion of the regulating member is sewn to the peripheral edge portion of the opening of the bag body, the breaking strength of the attachment portion of the bag body can be increased.
第１図は本考案に係る自動車のエアバックの膨張展開し
た状態の断面図、第２図は膨張展開した状態の規制部材
の斜視図である。 10……袋体、11,12……基材、14……開口周縁部、15…
…乗員当接面中央部、20a,20b……規制部材、21a,21b…
…係合面部、22a,22b……脚片部。FIG. 1 is a sectional view of an automobile airbag according to the present invention in an inflated and deployed state, and FIG. 2 is a perspective view of a restricting member in an inflated and deployed state. 10 …… Bag, 11,12 …… Base material, 14 …… Opening edge, 15…
... Center part of occupant contact surface, 20a, 20b ... Regulating member, 21a, 21b ...
… Engagement surface part, 22a, 22b …… Leg piece part.
Claims (1)
よって袋体に形成される２枚の基材と、係合面部の周縁
より放射状に延出した複数の脚片部を備えた一対の規制
部材とを有し、一方の基材の開口周縁部には一方の規制
部材の係合面部を縫着してあり、他方の基材の乗員当接
面中央部には他方の規制部材の係合面部を縫着してあ
り、各基材に縫着してある規制部材の脚片部を縫着する
ことにより連結するようにしたことを特徴とする自動車
のエアバック。1. A pair of bases, each of which has two bases formed on a bag body by stitching the overlapped outer edges, and a plurality of leg pieces radially extending from the periphery of the engaging surface. And a regulating member, the engaging surface portion of one regulating member is sewn on the peripheral edge portion of the opening of the one substrate, and the occupant contacting surface center portion of the other substrate has the other regulating member. An airbag for an automobile, characterized in that the engaging surface portion is sewn, and the leg pieces of the regulating member sewn to each base material are sewn to be connected to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989032550U JP2507414Y2 (en) | 1989-03-22 | 1989-03-22 | Car airbag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989032550U JP2507414Y2 (en) | 1989-03-22 | 1989-03-22 | Car airbag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02123445U JPH02123445U (en) | 1990-10-11 |
| JP2507414Y2 true JP2507414Y2 (en) | 1996-08-14 |
Family
ID=31259095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989032550U Expired - Lifetime JP2507414Y2 (en) | 1989-03-22 | 1989-03-22 | Car airbag |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2507414Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2629531B2 (en) * | 1992-08-28 | 1997-07-09 | 池田物産株式会社 | Airbag body of airbag device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1018094B (en) * | 1974-07-10 | 1977-09-30 | Gd Spa | DEVICE FOR WELDING WITH TROLLED THERMOPLASTIC MATERIAL ENCLOSURES PARTICULARLY IN OVERWRAPPING MACHINES FOR EXAMPLE OF PACKAGES OF CIGARETTES AND SIMILAR |
| JPS5131658A (en) * | 1974-09-10 | 1976-03-17 | Nippon Steel Corp | YUNIBA ASARUATSUENSOCHI |
| JPS6185549U (en) * | 1984-11-12 | 1986-06-05 | ||
| JPS6441437A (en) * | 1987-08-05 | 1989-02-13 | Asahi Chemical Ind | Cloth for air bag |
-
1989
- 1989-03-22 JP JP1989032550U patent/JP2507414Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02123445U (en) | 1990-10-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |