JP3168646B2 - Air bag equipment - Google Patents
Air bag equipmentInfo
- Publication number
- JP3168646B2 JP3168646B2 JP33048791A JP33048791A JP3168646B2 JP 3168646 B2 JP3168646 B2 JP 3168646B2 JP 33048791 A JP33048791 A JP 33048791A JP 33048791 A JP33048791 A JP 33048791A JP 3168646 B2 JP3168646 B2 JP 3168646B2
- Authority
- JP
- Japan
- Prior art keywords
- lid
- skin
- air bag
- main body
- base material
- 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 - Fee Related
Links
- 210000003491 skin Anatomy 0.000 claims description 38
- 239000000463 material Substances 0.000 claims description 32
- 239000006260 foam Substances 0.000 claims description 17
- 239000000758 substrate Substances 0.000 claims description 7
- 210000002615 epidermis Anatomy 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 description 10
- 239000004743 Polypropylene Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 239000004800 polyvinyl chloride Substances 0.000 description 4
- 229920000915 polyvinyl chloride Polymers 0.000 description 4
- 239000012779 reinforcing material Substances 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 229920006231 aramid fiber Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 229920002397 thermoplastic olefin Polymers 0.000 description 1
- 238000007666 vacuum forming Methods 0.000 description 1
Landscapes
- Air Bags (AREA)
- Instrument Panels (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、自動車の助手席前方
のインストルメントパネルやサイドドアやステアリング
ホイール等に配置され、エアバツグを所定時拡開させる
エアバツグ装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air bag device which is disposed on an instrument panel, a side door, a steering wheel, or the like in front of a passenger seat of an automobile and expands an air bag at a predetermined time.
【０００２】[0002]
【従来の技術とその課題】従来、助手席用エアバツグ装
置では、実開昭６３−１１１３５３号公報に記載されて
いるように、エアバツグを覆う蓋部が、インストルメン
トパネル（以下、インパネとする）に設けられた開口部
に、ヒンジや、所定時破断して蓋部を開き可能とするブ
レークアウエイ手段を、利用して、配置されていた。2. Description of the Related Art Conventionally, in an air bag device for a passenger seat, as described in Japanese Utility Model Laid-Open Publication No. 63-111353, a cover for covering the air bag is provided with an instrument panel (hereinafter referred to as an instrument panel). The hinges and breakaway means that can be broken at a predetermined time to open the lid are disposed in the openings provided in the fins.
【０００３】しかし、このように、ヒンジやブレークア
ウエイ手段を利用して、蓋部をインパネに組み付けてい
ては、エアバツグ装置の構成部品が増え、組付工数を増
大させてしまう。However, if the lid is assembled to the instrument panel by using the hinges or the breakaway means, the number of components of the air bag apparatus increases, and the number of assembling steps increases.
【０００４】また、ヒンジやブレークアウエイ手段を利
用して、別体の蓋部をインパネに組み付けるため、各々
の部品の寸法精度や組付精度の誤差により、蓋部とイン
パネとの見切りが良好でない場合が生じてしまう。Further, since a separate lid is assembled to the instrument panel using hinges and breakaway means, the margin between the lid and the instrument panel is not good due to errors in the dimensional accuracy and assembly accuracy of each component. Cases arise.
【０００５】この発明は、上述の課題を解決するもので
あり、エアバツグの拡開時に開く蓋部とその周囲の部位
との見切りを良好にすることができるとともに、構成部
品数と組付工数とを低減できるエアバツグ装置を提供す
ることを目的とする。The present invention has been made to solve the above-mentioned problems, and can improve the separation between a lid portion which is opened when the airbag is opened and a portion therearound, and can reduce the number of components and the number of assembly steps. It is an object of the present invention to provide an air bag device that can reduce the amount of air bag.
【０００６】[0006]
【課題を解決するための手段】この発明に係るエアバツ
グ装置は、所定時拡開するエアバツグを覆う蓋体が、エ
アバツグの拡開に伴なつて開く蓋部と、該蓋部を保持す
る本体と、から構成されるエアバツグ装置であつて、前
記蓋体が、基材上に表皮を配設させてなる一体成形品か
ら構成されるとともに、前記蓋部の周縁と前記本体との
接続部位に、前記エアバツグの拡開時、前記本体から前
記蓋部を分離させる破断予定部と、前記本体と前記蓋部
との連結状態を維持するヒンジ部と、を配設させて構成
され、前記破断予定部において、前記基材が、分離可能
な脆弱部を備えるとともに、前記表皮が、前記脆弱部の
部位で分離されて構成され、前記ヒンジ部において、前
記基材と前記表皮とが、前記本体側から前記蓋部側にか
けて連続して形成され、 さらに、前記表皮が、前記基材
側に発泡層を備えて構成されるとともに、前記表皮にお
ける前記破断予定部で分離されている端末相互が、前記
基材側に押し下げられて相互に切り離された切り離し部
として構成され、該切り離し部相互の隙間が、前記発泡
層の復元力によつて、塞がれていることを特徴とする。According to an air bag apparatus of the present invention, a cover for covering an air bag that expands at a predetermined time has a lid that opens with the expansion of the air bag, and a main body that holds the lid. Wherein the lid is formed from an integrally molded product having a skin disposed on a base material, and a connecting portion between a peripheral edge of the lid and the main body. When the air bag is expanded, a breakable part for separating the lid from the main body and a hinge part for maintaining a connected state between the main body and the lid are arranged, and the breakable part is provided. In the, the base material comprises a separable fragile portion, the skin is configured to be separated at the site of the fragile portion, in the hinge portion, the base material and the skin, from the body side Formed continuously over the lid It is further the epidermis, the substrate
Side with a foam layer, and
The terminals separated at the portion to be broken
Separation part pushed down to the base material side and separated from each other
The gap between the separation portions is formed by the foaming.
It is characterized by being closed by the restoring force of the layer .
【０００７】[0007]
【発明の作用・効果】この発明に係るエアバツグ装置で
は、エアバツグの拡開時、破断予定部における基材の脆
弱部が破断して、ヒンジ部を中心に、蓋部が回転するよ
うに開き、エアバツグを蓋体上で大きく膨らませること
となる。なお、蓋部が開く際、表皮は、ヒンジ部におい
て蓋体の本体側から蓋部側にかけて連続し、破断予定部
において本体側から蓋部側にかけて分離されているた
め、表皮が蓋部の開き動作に影響を与えることは無い。In the air bag device according to the present invention, when the air bag is expanded, the fragile portion of the base material at the portion to be broken is broken, and the lid portion is opened around the hinge portion so as to rotate, The air bag is largely inflated on the lid. When the lid is opened, the skin is continuous from the body side of the lid to the lid side at the hinge portion, and is separated from the body side to the lid side at the portion to be broken, so that the skin is opened. It does not affect operation.
【０００８】そして、蓋体は、破断予定部とヒンジ部と
を設けて、基材と表皮とから構成される一体成形品であ
り、エアバツグの拡開時に開く蓋部を別途本体に組み付
けなくとも良いことから、エアバツグ装置の構成部品数
を低減でき、エアバツグ装置の組付工数を低減させるこ
とができる。[0008] The lid is an integrally molded product comprising a base material and a skin, provided with a portion to be broken and a hinge portion. The lid that opens when the airbag is opened is not required to be separately assembled to the main body. As a result, the number of components of the air bag device can be reduced, and the man-hour for assembling the air bag device can be reduced.
【０００９】また、エアバツグの拡開時に開く蓋部は、
破断予定部とヒンジ部とを介在させて本体と接続され、
連続している基材上に形成されて、本体とともに一体成
形されるものであるため、周囲の本体との見切りを良好
にすることができる。特に、破断予定部で表皮が分離さ
れていても、表皮における破断予定部で分離されている
端末の切り離し部相互が、基材側に押し下げられ、か
つ、表皮の基材側における発泡層の復元力によって、切
り離し部相互の隙間を塞がれていることから、破断予定
部での表皮の見切りも良好となる。 [0009] The lid that opens when the airbag is expanded is
It is connected to the main body via the breakable part and the hinge part,
Since it is formed on a continuous base material and is integrally formed with the main body, it is possible to make a good separation from the surrounding main body. In particular, the skin is separated at the
Even if it is, it is separated at the expected break in the epidermis
The separated parts of the terminals are pushed down to the substrate side,
First, the resilience of the foam layer on the base material side of the skin
Expected to break because the gap between the separated parts is closed
The parting of the epidermis in the part is also good.
【００１０】したがつて、この発明に係るエアバツグ装
置では、エアバツグの拡開時に開く蓋部とその周囲の部
位との見切りを良好にすることができるとともに、構成
部品数と組付工数とを低減できる。Therefore, in the air bag apparatus according to the present invention, it is possible to improve the separation between the lid portion that is opened when the air bag is opened and the surrounding area, and to reduce the number of components and the number of assembling steps. it can.
【００１１】[0011]
【実施例】以下、この発明の一実施例を図面に基づいて
説明する。An embodiment of the present invention will be described below with reference to the drawings.
【００１２】実施例のエアバツグ装置Ｍは、図３に示す
ように、自動車の助手席前方のインパネＰに配設される
ものであり、インパネＰを蓋体１０とし、蓋体１０に、
エアバツグ１の拡開時に開く蓋部１２が形成されてい
る。As shown in FIG. 3, the air bag apparatus M of the embodiment is disposed on an instrument panel P in front of a passenger seat of an automobile.
A lid portion 12 that opens when the air bag 1 is expanded is formed.
【００１３】インパネＰである蓋体１０は、図１・２に
示すように、基材１３上に表皮１４を設けた一体成形品
から構成されている。表皮１４は、表面側のスキン層１
５と基材１３側の発泡層１６とから構成されている。As shown in FIGS. 1 and 2, the lid 10, which is an instrument panel P, is formed of an integrally molded product having a skin 13 provided on a base material 13. The skin 14 is the skin layer 1 on the front side.
5 and a foam layer 16 on the base material 13 side.
【００１４】表皮１４は、スキン層１５がＴＰＯ（オレ
フイン系熱可塑性エラストマー）、ＰＶＣ（ポリ塩化ビ
ニル）、ウレタン等からなり、発泡層１６がＰＰ（ポリ
プロピレン）フオーム、ＰＶＣフオーム、ウレタンフオ
ーム等からなつて、両者を熱溶着させ、蓋体１０の形状
に対応するように真空成形により賦形されて形成されて
いる。The skin 14 has a skin layer 15 made of TPO (olefin thermoplastic elastomer), PVC (polyvinyl chloride), urethane or the like, and a foam layer 16 made of PP (polypropylene) foam, PVC foam, urethane foam or the like. Then, the two are heat-welded and shaped by vacuum forming so as to correspond to the shape of the lid 10.
【００１５】基材１３は、ＰＰＦ（フイラー入りのポリ
プロピレン）、ポリエステル、ＴＰＯ、ポリウレタン等
からなり、賦形させた表皮１４を所定の成形型にセツト
し、スタンピング成形や射出成形等により形成されてい
る。The base material 13 is made of PPF (polypropylene containing a filler), polyester, TPO, polyurethane, or the like. The shaped skin 14 is set in a predetermined mold, and formed by stamping molding, injection molding, or the like. I have.
【００１６】なお、基材１３と表皮１４との接着性の観
点から、表皮１４の発泡層１６がＰＰフオームの場合に
は、基材１３はＰＰＦやＴＰＯを使用することが望まし
く、表皮１４の発泡層１６がＰＶＣフオームの場合に
は、基材１３はポリエステルを使用することが望まし
い。From the viewpoint of the adhesiveness between the base material 13 and the skin 14, when the foam layer 16 of the skin 14 is a PP foam, the base material 13 is preferably made of PPF or TPO. When the foam layer 16 is a PVC foam, it is desirable that the substrate 13 use polyester.
【００１７】そして、この蓋体１０では、図１〜３に示
すように、蓋部１２が開く際の本体１１と蓋部１２との
接続状態を維持するヒンジ部１７と、蓋部１２が開く際
の本体１１と蓋部１２とを分離させる破断予定部１８
と、を備えて構成されている。破断予定部１８は、蓋部
１２の周縁のうち、蓋部１２の正面から見て略Ｕ字形と
なる部位に配置され、ヒンジ部１７は、蓋部１２の周縁
の破断予定部１８を除いた部位に配置されている。In the lid 10, as shown in FIGS. 1 to 3, the hinge 17 for maintaining the connection state between the main body 11 and the lid 12 when the lid 12 is opened, and the lid 12 is opened. Scheduled breaking portion 18 for separating main body 11 and lid portion 12
And is provided. The breakable portion 18 is arranged at a portion of the periphery of the lid 12 that is substantially U-shaped when viewed from the front of the lid 12, and the hinge portion 17 excludes the breakable portion 18 on the periphery of the lid 12. It is located at the site.
【００１８】そして、ヒンジ部１７においては、基材１
３は、内部にアラミド繊維等からなる強靭なネツト・バ
ンド等の補強材１９を埋設させて、本体１１側から蓋部
１２側にかけて連続した状態で形成されている。また、
表皮１４も同様に、基材１３側に侵入するような屈曲部
１４ａを有して、本体１１側から蓋部１２側にかけて連
続した状態で形成されている。In the hinge portion 17, the base material 1
Reference numeral 3 is formed in such a manner that a reinforcing material 19 such as a tough net band made of aramid fiber or the like is embedded therein, and is continuous from the main body 11 side to the lid 12 side. Also,
Similarly, the skin 14 has a bent portion 14a that penetrates into the base material 13 side, and is formed in a continuous state from the main body 11 side to the lid portion 12 side.
【００１９】一方、破断予定部１８においては、基材１
３には、本体１１側と蓋部１２側とが分離可能なよう
に、薄肉の脆弱部１３ａが形成され、表皮１４には、基
材１３側に押し下げられて分離する切り離し部１４ｂ・
１４ｂが形成されている。On the other hand, in the portion 18 to be broken,
3, a thin fragile portion 13a is formed so that the main body 11 side and the lid portion 12 can be separated from each other, and a separation portion 14b
14b is formed.
【００２０】つぎに、この蓋体１０の製造について説明
すると、まず、予め、スキン層１５と発泡層１６とを積
層させるとともに、真空成形してトリミングし、蓋体１
０の形状に対応した形状に表皮１４を賦形しておく。Next, the manufacture of the lid 10 will be described. First, the skin layer 15 and the foam layer 16 are laminated in advance, vacuum formed and trimmed, and
The skin 14 is shaped into a shape corresponding to the shape of 0.
【００２１】そして、所定形状に賦形した表皮１４と補
強材１９とを、図４・５に示すように、基材１３の成形
型２０の割型２１・２２にセツトするとともに、割型２
２上に所定の成形材料を貯溜させ（スタンピング成形の
場合である）、型締めして基材１３を成形すれば、蓋体
１０を製造することができる。Then, as shown in FIGS. 4 and 5, the skin 14 and the reinforcing material 19 formed into a predetermined shape are set in the split dies 21 and 22 of the forming die 20 of the base material 13 and the split dies 2 and
A lid 10 can be manufactured by storing a predetermined molding material on the base material 2 (this is a case of stamping molding), clamping the mold, and molding the base material 13.
【００２２】なお、表皮１４をセツトする割型２１に
は、図４・５に示すように、屈曲部１４ａや切り離し部
１４ｂ・１４ｂ間に挿入されて、屈曲部１４ａ等の位置
決めを行なう突条２１ａが形成されている。しかし、こ
の突条２１ａが割型２１に形成されていても、蓋体１０
を成形型２０から離型させれば、表皮１４に発泡層１６
が形成されており、その発泡層１６の復元力で突条２１
ａが配設されていた隙間が埋まり、ヒンジ部１７や破断
予定部１８の表皮１４に不要な隙間を生じさせることが
ない。As shown in FIGS. 4 and 5, the split mold 21 for setting the outer skin 14 is inserted between the bent portion 14a and the cut-off portions 14b and 14b to position the bent portion 14a and the like. 21a are formed. However, even if this ridge 21a is formed in the split mold 21, the lid 10
Is released from the molding die 20, the foam layer 16
Are formed, and the ridges 21 are formed by the restoring force of the foam layer 16.
The gap where “a” is provided is not filled, and unnecessary gaps are not generated in the hinge portion 17 and the skin 14 of the portion to be broken 18.
【００２３】このように製造された蓋体１０を、蓋体１
０の周縁等の所定位置に形成した図示しないブラケツト
等を利用して、車体に取り付け、蓋部１２の裏面側に、
折り畳んだエアバツク１や図示しないインフレーターを
収納したケース２を配置させ、ケース２を車体に取り付
ければ、エアバツグ装置Ｍを車両に組み付けることがで
きる。The lid 10 thus manufactured is connected to the lid 1
Attached to the vehicle body using a bracket or the like (not shown) formed at a predetermined position such as the periphery of
If the case 2 containing the folded air back 1 and the inflator (not shown) is arranged and the case 2 is attached to the vehicle body, the air bag device M can be assembled to the vehicle.
【００２４】そして、図示しないインフレーターからの
ガスを供給されてエアバツグ１が拡開する際には、破断
予定部１８における基材１３の脆弱部１３ａが破断し
て、ヒンジ部１７を中心に、蓋部１２が回転するように
開き（図１の二点鎖線参照）、エアバツグ１を蓋体１０
上で大きく膨らませることとなる。When a gas is supplied from an inflator (not shown) and the air bag 1 expands, the fragile portion 13a of the base material 13 in the rupture scheduled portion 18 is broken, and the hinge 17 is centered. The part 12 is opened so as to rotate (see a two-dot chain line in FIG. 1), and the airbag 1 is
Will be greatly inflated above.
【００２５】なお、蓋部１２が開く際、表皮１４は、ヒ
ンジ部１７において蓋体１０の本体１１側から蓋部１２
側にかけて連続し、また、破断予定部１８において本体
１１側から蓋部１２側にかけて分離されているため、表
皮１４が蓋部１２の開き動作に影響を与えることは無
い。When the lid 12 is opened, the skin 14 is held at the hinge 17 from the side of the main body 11 of the lid 10.
Side, and is separated from the main body 11 side to the lid 12 side at the breakable portion 18, so that the skin 14 does not affect the opening operation of the lid 12.
【００２６】そして、蓋体１０は、破断予定部１８とヒ
ンジ部１７とを設けて、基材１３と表皮１４とから構成
される一体成形品であり、エアバツグ１の拡開時に開く
蓋部１２を別途本体１１に組み付けなくとも良いことか
ら、エアバツグ装置Ｍの構成部品数を低減でき、エアバ
ツグ装置Ｍの組付工数を低減させることができる。The lid body 10 is an integrally molded product comprising a base material 13 and a skin 14 provided with a breakable portion 18 and a hinge portion 17, and the lid portion 12 which is opened when the airbag 1 is opened. Need not be separately assembled to the main body 11, the number of components of the air bag apparatus M can be reduced, and the number of steps for assembling the air bag apparatus M can be reduced.
【００２７】また、エアバツグ１の拡開時に開く蓋部１
２は、破断予定部１８とヒンジ部１７とを介在させて本
体１１と接続され、連続している基材１３上に形成され
て、本体１１とともに一体成形されるものであり、さら
に、破断予定部１８で表皮１４が分離されていても、表
皮１４における破断予定部１８で分離されている端末の
切り離し部１４ｂ・１４ｂ相互が、基材１３側に押し下
げられ、かつ、表皮１４の基材１３側における発泡層１
６の復元力によって、切り離し部１４ｂ・１４ｂ相互の
隙間を塞がれていることから、周囲の本体１１との見切
りを良好にすることができ、既述の発明の作用・効果の
欄で述べたと同様な効果を奏する。Further, the lid 1 which is opened when the air bag 1 is expanded.
2, is interposed a breakable portion 18 and the hinge portion 17 is connected to the main body 11, it is formed on the substrate 13 that are continuous state, and are not formed integrally with the body 11, further
Even if the skin 14 is separated at the portion 18 to be broken,
Of the terminal separated at the portion 18 to be broken in the skin 14
The separation parts 14b and 14b are pushed down toward the base material 13 side.
Foam layer 1 on the substrate 13 side of the skin 14
6, the separation parts 14b and 14b
Since the gap is closed, it is possible to make a good separation from the surrounding main body 11, and the same effects as described in the section of the operation and effect of the invention described above can be obtained.
【００２８】なお、実施例では、ヒンジ部１７における
基材１３にアラミド繊維等のネツト・バンド等の補強材
１９を埋設した蓋体１０を示したが、補強材１９として
は、他に、可撓性を有する厚さのアルミニウム板等の金
属板を、本体１１から蓋部１２にかけてビス止めするも
のでも良く、さらに、基材１３の肉厚を厚くするだけで
も良い。In this embodiment, the cover 10 in which the reinforcing material 19 such as a net band such as aramid fiber is embedded in the base material 13 of the hinge portion 17 is shown. A metal plate such as an aluminum plate having a flexible thickness may be screwed from the main body 11 to the lid portion 12, or the thickness of the base material 13 may be simply increased.
【００２９】また、実施例では、破断予定部１８の基材
１３に設ける脆弱部１３ａとして、基材１３を薄肉にす
る構成のものを示したが、破断予定部１８の表皮１４が
分離されているため、破断予定部１８の基材１３の肉厚
を周囲の基材１３の肉厚と同一にして構成しても、破断
強度がその部位で弱くなり、さらに、別途、脆弱な部材
を基材１３の成形時にインサートして埋設させても良
く、脆弱部１３ａは基材１３を薄肉にして構成するもの
に限らない。Further, in the embodiment, as the fragile portion 13a provided on the base material 13 of the portion 18 to be broken, a configuration in which the base material 13 is made thin is shown, but the skin 14 of the portion 18 to be broken is separated. Therefore, even if the thickness of the base material 13 of the portion to be broken 18 is configured to be the same as the thickness of the surrounding base material 13, the breaking strength is weakened at that portion, and further, a separate fragile member is used. The fragile portion 13a may be inserted and buried when the material 13 is formed, and the fragile portion 13a is not limited to a thin base material 13.
【００３０】さらに、実施例では、ヒンジ部１７と破断
予定部１８との表皮１４の外観を良好にするため、共
に、表皮１４がくぼんだ形状となる屈曲部１４ａと切り
離し部１４ｂ・１４ｂとを示したが、ヒンジ部１７にお
いて、表皮１４に屈曲部１４ａを設けず、表皮１４を平
面状に形成しても良い。Further, in the embodiment, in order to improve the appearance of the skin 14 between the hinge portion 17 and the portion 18 to be broken, both the bent portion 14a having the recessed shape of the skin 14 and the separation portions 14b, 14b are formed. Although shown, the skin 14 may be formed in a flat shape in the hinge portion 17 without providing the bent portion 14a on the skin 14.
【図１】この発明の一実施例を示す断面図であり、図３
のＩ−Ｉ部位を示す。FIG. 1 is a sectional view showing an embodiment of the present invention, and FIG.
Indicates the II site.
【図２】同実施例の断面図であり、図３のII−II部位を
示す。FIG. 2 is a cross-sectional view of the same example, and shows a II-II portion in FIG.
【図３】同実施例の蓋体を示す斜視図である。FIG. 3 is a perspective view showing a lid according to the embodiment.
【図４】同実施例の蓋体を成形する状態を示す断面図で
ある。FIG. 4 is a cross-sectional view showing a state where the lid of the embodiment is molded.
【図５】同実施例の蓋体を成形する状態を示す他の断面
図である。FIG. 5 is another sectional view showing a state in which the lid of the embodiment is molded.
１…エアバツグ、 １０…蓋体、 １１…本体、 １２…蓋部、 １３…基材、 １３ａ…脆弱部、 １４…表皮、 １７…ヒンジ部、 １８…破断予定部、 Ｍ…エアバツグ装置。 DESCRIPTION OF SYMBOLS 1 ... Airbag, 10 ... Lid, 11 ... Main body, 12 ... Lid, 13 ... Base material, 13a ... Fragile part, 14 ... Skin, 17 ... Hinge part, 18 ... Expected break part, M ... Airbag device.
フロントページの続き (72)発明者 加藤 孝 愛知県西春日井郡春日町大字落合字長畑 １番地 豊田合成株式会社内 (56)参考文献 特開 平１−122754（ＪＰ，Ａ) 実開 昭63−101255（ＪＰ，Ｕ) 実開 昭63−95957（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) B60R 21/16 - 21/32 Continued on the front page (72) Inventor Takashi Kato 1 Ochiai Nagahata, Kasuga-cho, Nishikasugai-gun, Aichi Prefecture Inside Toyoda Gosei Co., Ltd. (JP, U) Japanese Utility Model 63-95957 (JP, U) (58) Field surveyed (Int. Cl. 7 , DB name) B60R 21/16-21/32
Claims (1)
が、エアバツグの拡開に伴なつて開く蓋部と、該蓋部を
保持する本体と、から構成されるエアバツグ装置であつ
て、 前記蓋体が、基材上に表皮を配設させてなる一体成形品
から構成されるとともに、前記蓋部の周縁と前記本体と
の接続部位に、前記エアバツグの拡開時、前記本体から
前記蓋部を分離させる破断予定部と、前記本体と前記蓋
部との連結状態を維持するヒンジ部と、を配設させて構
成され、 前記破断予定部において、前記基材が、分離可能な脆弱
部を備えるとともに、前記表皮が、前記脆弱部の部位で
分離されて構成され、 前記ヒンジ部において、前記基材と前記表皮とが、前記
本体側から前記蓋部側にかけて連続して形成され、 さらに、前記表皮が、前記基材側に発泡層を備えて構成
されるとともに、前記表皮における前記破断予定部で分
離されている端末相互が、前記基材側に押し下げられて
相互に切り離された切り離し部として構成され、該切り
離し部相互の隙間が、前記発泡層の復元力によつて、塞
がれ ていることを特徴とするエアバツグ装置。1. An air bag apparatus, wherein a cover for covering an air bag that expands at a predetermined time comprises a lid portion that opens as the air bag expands, and a main body that holds the lid portion. A lid is formed from an integrally molded product having a skin disposed on a base material, and a connecting portion between a peripheral edge of the lid and the main body is provided with a cover from the main body when the airbag is expanded. A breakable part that separates the part, and a hinge part that maintains a connection state between the main body and the lid part. provided with a, the epidermis, the is configured separated at the site of weakened portion at the hinge portion, and the substrate and the skin is formed continuously from the body side to the lid portion, further , Wherein the skin has a foam layer on the base material side. Prepared configuration
And at the scheduled fracture portion of the skin
The separated terminals are pushed down to the substrate side.
It is configured as a separating part that is separated from each other,
The gap between the separated portions is closed by the restoring force of the foam layer.
Airbag apparatus characterized by being peeling.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33048791A JP3168646B2 (en) | 1991-12-13 | 1991-12-13 | Air bag equipment |
| US07/987,787 US5395668A (en) | 1990-08-29 | 1992-12-09 | Air bag apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33048791A JP3168646B2 (en) | 1991-12-13 | 1991-12-13 | Air bag equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05162603A JPH05162603A (en) | 1993-06-29 |
| JP3168646B2 true JP3168646B2 (en) | 2001-05-21 |
Family
ID=18233179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33048791A Expired - Fee Related JP3168646B2 (en) | 1990-08-29 | 1991-12-13 | Air bag equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3168646B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5447327A (en) * | 1994-05-25 | 1995-09-05 | Morton International, Inc. | Arrangement for providing an air bag deployment opening |
| EP0748722B1 (en) * | 1995-06-16 | 2001-09-12 | Toyoda Gosei Co., Ltd. | Interior finish member for an automobile with an air bag device and manufacturing method thereof |
| JP3201243B2 (en) * | 1995-12-12 | 2001-08-20 | 豊田合成株式会社 | Automotive interior parts with lid for airbag |
| KR100360578B1 (en) | 1997-07-23 | 2002-11-13 | 도요타 샤타이 가부시키가이샤 | Panel for air bags and method of manufacturing the same |
| DE102008011519A1 (en) | 2008-02-25 | 2009-09-03 | Faurecia Innenraum Systeme Gmbh | Interior trim part |
-
1991
- 1991-12-13 JP JP33048791A patent/JP3168646B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05162603A (en) | 1993-06-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20010213 |
|
| LAPS | Cancellation because of no payment of annual fees |