JPH0717177B2 - Airbag device - Google Patents
Airbag deviceInfo
- Publication number
- JPH0717177B2 JPH0717177B2 JP2163658A JP16365890A JPH0717177B2 JP H0717177 B2 JPH0717177 B2 JP H0717177B2 JP 2163658 A JP2163658 A JP 2163658A JP 16365890 A JP16365890 A JP 16365890A JP H0717177 B2 JPH0717177 B2 JP H0717177B2
- Authority
- JP
- Japan
- Prior art keywords
- cover member
- reinforcing plate
- fixed
- base plate
- cover
- 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
- 230000003014 reinforcing effect Effects 0.000 claims description 30
- 230000002093 peripheral effect Effects 0.000 claims description 17
- 239000002023 wood Substances 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Instrument Panels (AREA)
- 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、前記エアバッグ本体を収納状
態で被覆し、前記ベースプレートの端部に外周縁が固着
部材により固着されたカバー部材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, An air bag main body fixed to the base plate, the air bag main body having a gas injection port through which gas from the gas generator flows, and covering the air bag main body in a housed state. An outer peripheral edge is fixed to an end portion of the base plate. And a cover member fixed by the above.
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56−43
890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 protection device, Japanese Patent Publication No. Sho 56-43
There are 890 publications and Japanese Utility Model Publication No. 61-185642 publications.
第３図及び第４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
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を介してリベット６また
はボルト等により固着され、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が瞬時に膨出するように
なされている。As shown in FIG. 3 and FIG. 4, the gas generator 2 is fixed to the base plate 1 attached to the fixed side of the instrument panel, the steering wheel, etc., and the airbag body 3 having the gas inlet 4 is inserted via the retainer 5. Are fixed by rivets 6 or bolts, and when the gas generator operates under predetermined conditions, the gas is instantaneously released from the airbag body 3
The air bag body 3 is designed to flow in and the air bag body 3 to bulge out instantly.
前記エアバッグ本体３は折畳んだ状態で、合成樹脂製の
カバー部材７により被覆され、位置規制され、車両等の
インストルメントパネル側の部品等にエアバッグ本体３
が当接しないようになされている。In the folded state of the airbag body 3, the airbag body 3 is covered with a synthetic resin cover member 7 and its position is regulated.
Are designed not to come into contact with each other.
前記カバー部材７の外周縁7aがベースプレート１の端部
1aにリベット８またはボルト等により固着されている。
そして前記エアバッグ本体３の膨出時にカバー部材７の
上面に形成された薄肉部7bが破断し、エアバッグ本体３
が前方に膨出するようになされている。The outer peripheral edge 7a of the cover member 7 is an end portion of the base plate 1.
It is fixed to 1a with rivets 8 or bolts.
When the airbag body 3 swells, the thin portion 7b formed on the upper surface of the cover member 7 breaks, and the airbag body 3
Is designed to bulge forward.
然し乍ら、従来のエアバッグ装置において、エアバッグ
本体３が膨出する際にカバー部材７に大きな圧力が加え
られ、カバー部材７の上面の薄肉部7bの破断と共に、カ
バー部材７の外周縁7aがリベット８を中心に破損し、カ
バー部材７が飛散する虞れを有していた。このため特開
平１−109146号公報に開示されている如く、エアバッグ
カバーの外周縁下端に突部を形成してカバー部材の抜け
出し防止を図っているが、強度的にも十分でなく、十分
な抜け出し防止効果が得られず、更に何らかの手段を設
けなければならないものであった。However, in the conventional airbag device, a large pressure is applied to the cover member 7 when the airbag body 3 swells, the thin portion 7b on the upper surface of the cover member 7 is broken, and the outer peripheral edge 7a of the cover member 7 is removed. There was a risk that the rivet 8 would be damaged and the cover member 7 would be scattered. Therefore, as disclosed in JP-A-1-109146, a protrusion is formed on the lower end of the outer peripheral edge of the airbag cover to prevent the cover member from slipping out. The effect of preventing slipping out is not obtained, and some means must be provided.
本発明の目的は、エアバッグ本体の膨出時にカバー部材
の外周縁がベースプレートから抜け出す虞れがなく、ま
たリベット止め箇所を増大する必要がなく、作業能率を
著しく向上させることができ、また十分な強度を有し著
しく安全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 to prevent the outer peripheral edge of the cover member from slipping out of the base plate when the airbag body is inflated, and to increase the number of rivet fixing points, which can significantly improve work efficiency, and is sufficient. (EN) Provided is an airbag device having excellent strength and excellent safety.
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、前記エアバッグ本体
を収納状態で被覆し、前記ベースプレートの端部に外周
縁が固着部材により固着されたカバー部材とを備えるエ
アバッグ装置において、前記カバー部材の外周縁に沿っ
て帯状の補強プレートが設けられていると共に、該帯状
の補強プレートの長手方向に沿って複数の溝部が補強プ
レートの長手方向に長く形成され、該複数の溝部に夫々
嵌合する複数の突条が前記カバー部材の外周縁の下端と
適宜の間隔を置いた上方位置に夫々形成され、前記カバ
ー部材の複数の突条と補強プレートの複数の溝部とを嵌
合状態としてカバー部材と補強プレートとが前記固着部
材によりベースプレートに固着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. And a cover member that covers the airbag body in a housed state and has an outer peripheral edge fixed to an end portion of the base plate by a fixing member, in a belt-shaped reinforcement along the outer peripheral edge of the cover member. A plate is provided, and a plurality of groove portions are formed long in the longitudinal direction of the reinforcing plate along the longitudinal direction of the strip-shaped reinforcing plate, and a plurality of ridges that respectively fit into the plurality of groove portions are provided on the cover member. Of the cover member and a plurality of groove portions of the reinforcing plate are fitted to each other and are formed at upper positions with a proper distance from the lower end of the outer peripheral edge of the cover plate. Characterized in that the member and the reinforcing plate is fixed to the base plate by the fixing member.
本発明に依れば、カバー部材の外周縁に沿って取付けら
れる帯状の補強プレートに複数の溝部が補強プレートの
長手方向に長く形成され、該複数の溝部に夫々嵌合する
複数の突条が前記カバー部材の外周縁の下端と適宜の間
隔を置いた上方位置に夫々形成されているので、補強プ
レートの溝部にカバー部材の突条を夫々嵌合させた状態
でカバー部材と補強プレートとをベースプレートに固着
部材により固着させることができ、カバー部材の突条が
補強プレートの溝部の上下で支持されているので強度が
強く、溝部から抜け出す虞れがないものである。According to the present invention, a plurality of groove portions are formed long in the longitudinal direction of the reinforcing plate on the strip-shaped reinforcing plate attached along the outer peripheral edge of the cover member, and a plurality of ridges respectively fitted to the plurality of groove portions are provided. Since the cover member and the reinforcing plate are respectively formed at upper positions with a proper distance from the lower end of the outer peripheral edge of the cover member, the cover member and the reinforcing plate are fitted in the groove portions of the reinforcing plate, respectively. Since it can be fixed to the base plate by the fixing member and the ridges of the cover member are supported above and below the groove portion of the reinforcing plate, the strength is strong and there is no risk of slipping out of the groove portion.
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インストルメントパ
ネル側またはステアリング側とすることができる。FIG. 1 and FIG. 2 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 instrument panel side or the steering side. You can
エアバッグ装置11は第３図に示すと同様に、ベースプレ
ート13にボルト，ナット等の固着手段により固定された
ガス発生器と、このガス発生器よりのガスが流入するガ
ス注入口を有するエアバッグ本体（図示せず）とを備え
ている。Similar to the airbag device 11 shown in FIG. 3, the airbag device 11 has a gas generator fixed to the base plate 13 by fixing means such as bolts and nuts, and a gas inlet into which gas from the gas generator flows. And a main body (not shown).
前記エアバッグ本体は折畳んだ状態でカバー部材15によ
り被覆されている。カバー部材15はベースプレート13の
端部13aに複数のリベット17等により固着された上部及
び下部が開放された例えば合成樹脂製のカバー基部15a
と、該カバー基部15aの上部開放部18の外周縁に沿っ
て、高周波溶着、または接着等により固着された前記カ
バー基部15aより強度の小さい合成樹脂製のカバー上部1
5bとを備えている。The airbag body is covered with a cover member 15 in a folded state. The cover member 15 is fixed to the end portion 13a of the base plate 13 with a plurality of rivets 17 and the like, and has an open upper and lower portion, for example, a synthetic resin cover base portion 15a.
And a synthetic resin cover upper portion 1 having a lower strength than the cover base portion 15a fixed by high frequency welding or adhesion along the outer peripheral edge of the upper open portion 18 of the cover base portion 15a.
With 5b.
尚カバー部材15はカバー基部15aとカバー上部15bとから
形成されるものに限定されるものではなく、カバー基部
15aとカバー上部15bとを一体に形成したものであっても
よく、要はカバー上部15bが容易に破断し得るものであ
ればよい。The cover member 15 is not limited to the one formed of the cover base portion 15a and the cover upper portion 15b, but the cover base portion 15a.
The cover 15a and the cover upper portion 15b may be integrally formed, and the essential point is that the cover upper portion 15b can be easily broken.
そして前記カバー上部15bの長手方向の中央部にミシン
目スリット21が形成され、またミシン目スリット21の中
央部に菱形の透孔23が形成され、菱形の長い方の対角線
がミシン目スリット21と方向が同一となるように形成さ
れている。And a perforation slit 21 is formed in the central portion in the longitudinal direction of the cover upper portion 15b, and a rhombic through hole 23 is formed in the central portion of the perforation slit 21, and the long diagonal of the rhombus is the perforation slit 21. It is formed so that the directions are the same.
また中央のミシン目スリット21の両端と直交する方向に
サイドのミシン目スリット25が形成されている。前記カ
バー上部15bの菱形の透孔23にはシールパッチ27が取付
けられており、このシールパッチ27により異物等がカバ
ー部材15の内側に侵入するのを防止している。Further, side perforation slits 25 are formed in a direction orthogonal to both ends of the central perforation slit 21. A seal patch 27 is attached to the diamond-shaped through hole 23 in the cover upper portion 15b, and the seal patch 27 prevents foreign matters and the like from entering the inside of the cover member 15.
尚シールパッチ27はカバー上部15bより容易に破断され
るように一側部側が部分縫いにより取付けられ、または
接着材等により取付けられているがこれを省略してもよ
い。The seal patch 27 is attached by partial stitching on one side so as to be easily broken from the upper portion 15b of the cover, or by an adhesive, but this may be omitted.
前記カバー部材15のカバー基部15aに帯状の補強プレー
ト31が取付けられ、この補強プレート31と共にカバー基
部15aがベースプレート13に固着部材としてのリベット1
7により固着されている。補強プレート31は鉄板または
硬質合成樹脂等より形成され、この補強プレート31には
リベット17止め用の穴33と溝部35とが形成されている。
前記溝部35は補強プレート31の長手方向に沿って長く形
成され、且つ適宜の間隔で複数形成されている。A strip-shaped reinforcing plate 31 is attached to the cover base portion 15a of the cover member 15, and the cover base portion 15a together with the reinforcing plate 31 is fixed to the base plate 13 with a rivet 1 as a fixing member.
It is fixed by 7. The reinforcing plate 31 is formed of an iron plate, hard synthetic resin, or the like, and the reinforcing plate 31 has a hole 33 for fixing the rivet 17 and a groove portion 35.
The groove portions 35 are formed long along the longitudinal direction of the reinforcing plate 31 and are formed in plural at appropriate intervals.
尚本実施例では溝部35が貫通穴より形成されているが凹
溝であってもよい。In this embodiment, the groove 35 is formed by the through hole, but it may be a groove.
前記カバー部材15のカバー基部15aの外周縁の下端と適
宜の間隔を置いた上方位置に複数の突条37が外周縁に沿
って形成され、この突条37が補強プレート31の長手方向
に沿って長く形成された溝部35に嵌合している。尚符号
39はリベット17用の穴である。A plurality of protrusions 37 are formed along the outer periphery at an upper position with a proper distance from the lower end of the outer periphery of the cover base portion 15a of the cover member 15, and the protrusions 37 extend in the longitudinal direction of the reinforcing plate 31. And is fitted in the groove portion 35 formed long. The code
39 is a hole for the rivet 17.
斯る構成に依れば、カバー部材15の突条37を補強プレー
ト31の溝部35に嵌合させ、カバー部材15の穴39及び補強
プレート31の穴33を介してベースプレート13の端部13a
にカバー部材15の外周縁を固着部材としてのリベット17
により固着することができ、カバー部材15が上下方向で
確実に支持され、破損したり脱落する虞れがないもので
ある。According to such a configuration, the ridge 37 of the cover member 15 is fitted into the groove portion 35 of the reinforcing plate 31, and the end portion 13a of the base plate 13 is inserted through the hole 39 of the cover member 15 and the hole 33 of the reinforcing plate 31.
The outer peripheral edge of the cover member 15 is fixed to the rivet 17 as a fixing member.
Therefore, the cover member 15 is securely supported in the up-down direction, and there is no risk of damage or falling off.
従って、エアバッグ本体の膨出時に、カバー上部15bの
菱形の透孔23やミシン目スリット21,25が破断され、ま
たカバー基部15aに加えられる荷重に対しては補強プレ
ート31により荷重が分散され、また補強プレート31の溝
部35の上下位置でカバー基部15aの突条37が支持され、
引抜き及び脱落を有効に防止することができるものであ
る。Therefore, when the airbag body swells, the diamond-shaped through holes 23 and the perforation slits 21 and 25 of the cover upper portion 15b are broken, and the load is dispersed by the reinforcing plate 31 with respect to the load applied to the cover base portion 15a. Also, the ridge 37 of the cover base portion 15a is supported at the upper and lower positions of the groove portion 35 of the reinforcing plate 31,
It is possible to effectively prevent pulling out and dropping out.
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、カバー部材の外周縁に沿っ
て帯状の補強プレートが設けられていると共に、該帯状
の補強プレートの長手方向に沿って複数の溝部が補強プ
レートの長手方向に長く形成され、該複数の溝部に夫々
嵌合する複数の突条が前記カバー部材の外周縁の下端と
適宜の間隔を置いた上方位置に夫々形成されているの
で、補強プレートの溝部にカバー部材の突条を夫々嵌合
させた状態でカバー部材と補強プレートとをベースプレ
ートに固着させることができ、カバー部材の突条が補強
プレートの溝部の上下で支持されているので溝部から抜
け出す虞れがなく、カバー部材が破損してベースプレー
トから抜け出す虞れがなく、著しく安全性に優れ、また
リベット止め等により固着箇所を増大する必要がなく、
作業能率を著しく向上させることができ、強度を有し、
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 strip-shaped reinforcing plate is provided along the outer peripheral edge of the cover member, and the strip-shaped reinforcing plate is provided. A plurality of groove portions are formed along the longitudinal direction of the plate so as to be long in the longitudinal direction of the reinforcing plate, and a plurality of ridges respectively fitted in the plurality of groove portions are arranged at appropriate intervals from the lower end of the outer peripheral edge of the cover member. Since the protrusions of the cover member are formed at the upper positions, respectively, the cover member and the reinforcing plate can be fixed to the base plate in a state where the protrusions of the cover member are fitted in the grooves of the reinforcing plate, and the protrusions of the cover member are reinforced. Since it is supported above and below the groove of the plate, there is no risk of it coming out of the groove, there is no risk of the cover member breaking and coming out of the base plate, and it is extremely safe. There is no need to increase the sticking point,
It can significantly improve work efficiency, has strength,
An airbag device with excellent safety can be obtained.
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図はカバー部材の斜
視図、第２図は取付状態の一部断面図、第３図及び第４
図は夫々従来のエアバッグ装置を示すもので、第３図は
断面図、第４図は取付状態の一部断面図である。 図中、11……エアバッグ装置、13……ベースプレート、
15……カバー部材、15a……カバー基部、15b……カバー
上部、17……リベット、31……補強プレート、33……
穴、35……溝部、37……突条、39……穴。1 and 2 respectively show an outline of one embodiment of an airbag device according to the present invention. FIG. 1 is a perspective view of a cover member, FIG. 2 is a partial cross-sectional view of an attached state, and FIG. 3 and 4
Each of the drawings shows a conventional airbag device, FIG. 3 is a sectional view, and FIG. 4 is a partial sectional view of a mounted state. In the figure, 11 ... Airbag device, 13 ... Base plate,
15 …… Cover member, 15a …… Cover base, 15b …… Cover top, 17 …… Rivet, 31 …… Reinforcement plate, 33 ……
Hole, 35 ... Groove, 37 ... Ridge, 39 ... Hole.
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、前記エアバッグ本体を収納状態で被覆し、前記ベー
スプレートの端部に外周縁が固着部材により固着された
カバー部材とを備えるエアバッグ装置において、前記カ
バー部材の外周縁に沿って帯状の補強プレートが設けら
れていると共に、該帯状の補強プレートの長手方向に沿
って複数の溝部が補強プレートの長手方向に長く形成さ
れ、該複数の溝部に夫々嵌合する複数の突条が前記カバ
ー部材の外周縁と下端と適宜の間隔を置いた上方位置に
夫々形成され、前記カバー部材の複数の突条と補強プレ
ートの複数の溝部とを嵌合状態としてカバー部材と補強
プレートとが前記固着部材によりベースプレートに固着
されていることを特徴とするエアバッグ装置。1. An air bag main body having a gas generator fixed to a base plate, a gas inlet into which gas from the gas generator flows, the air bag main body being fixed to the base plate, and a state in which the air bag main body is accommodated. In an airbag device including a cover member having a cover member whose outer peripheral edge is fixed to an end portion of the base plate by a fixing member, a strip-shaped reinforcing plate is provided along the outer peripheral edge of the cover member, and A plurality of groove portions are formed long in the longitudinal direction of the reinforcing plate along the longitudinal direction of the strip-shaped reinforcing plate, and a plurality of protrusions respectively fitted in the plurality of groove portions are provided at appropriate intervals between the outer peripheral edge and the lower end of the cover member. And the cover member and the reinforcing plate are fixed to each other by forming a plurality of protrusions of the cover member and a plurality of groove portions of the reinforcing plate into a fitted state. Airbag apparatus characterized by being secured to the base plate by wood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2163658A JPH0717177B2 (en) | 1990-06-21 | 1990-06-21 | Airbag device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2163658A JPH0717177B2 (en) | 1990-06-21 | 1990-06-21 | Airbag device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0455147A JPH0455147A (en) | 1992-02-21 |
| JPH0717177B2 true JPH0717177B2 (en) | 1995-03-01 |
Family
ID=15778126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2163658A Expired - Lifetime JPH0717177B2 (en) | 1990-06-21 | 1990-06-21 | Airbag device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0717177B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006132114A (en) * | 2004-11-02 | 2006-05-25 | Nakabohtec Corrosion Protecting Co Ltd | Corrosion prevention method |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5330223A (en) * | 1992-10-29 | 1994-07-19 | Toyoda Gosei Co., Ltd. | Air bag cover having reinforcing ribs |
| JP2606466Y2 (en) * | 1993-09-27 | 2000-11-06 | オートリブ デベロップメント アクテボラゲット | Airbag device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS525128A (en) * | 1975-06-28 | 1977-01-14 | Kingo Asayama | Back mirror for vehicle |
| JPH0640042Y2 (en) * | 1987-08-26 | 1994-10-19 | タカタ株式会社 | Air bag device |
-
1990
- 1990-06-21 JP JP2163658A patent/JPH0717177B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006132114A (en) * | 2004-11-02 | 2006-05-25 | Nakabohtec Corrosion Protecting Co Ltd | Corrosion prevention method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0455147A (en) | 1992-02-21 |
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