JPH09150696A - Cover body of air bag device - Google Patents
Cover body of air bag deviceInfo
- Publication number
- JPH09150696A JPH09150696A JP7313201A JP31320195A JPH09150696A JP H09150696 A JPH09150696 A JP H09150696A JP 7313201 A JP7313201 A JP 7313201A JP 31320195 A JP31320195 A JP 31320195A JP H09150696 A JPH09150696 A JP H09150696A
- Authority
- JP
- Japan
- Prior art keywords
- cover body
- reinforcing rib
- mounting piece
- airbag
- airbag device
- 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.)
- Granted
Links
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、例えば、ガスを噴
射してエアバッグを膨張展開させる助手席乗員用のエア
バッグ装置のカバー体に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cover body for an airbag device for a passenger in a passenger seat, for example, which injects gas to inflate and deploy the airbag.
【０００２】[0002]
【従来の技術】従来、例えば、自動車のインストルメン
トパネルに取り付けられる助手席乗員用のエアバッグ装
置が用いられている。そして、このエアバッグ装置は、
上面を開口部としたケース内に、略円筒状のインフレー
タと、折り畳んだエアバッグとを収納し、上側の開口部
を覆うカバー本体を備えた樹脂製のカバー体をボルトお
よびナットなどを用いて取り付けている。そして、自動
車の衝突の際などには、インフレータが噴射するガスに
よりエアバッグを膨張させ、この膨張の圧力により、カ
バー体を脆弱なテアラインに沿って開裂させ、乗員の前
側に向かってエアバッグを膨張展開させるようになって
いる。2. Description of the Related Art Conventionally, for example, an airbag device for a passenger in a passenger seat, which is attached to an instrument panel of an automobile, has been used. And this airbag device,
A substantially cylindrical inflator and a folded airbag are housed in a case whose upper surface is an opening, and a resin cover body having a cover main body that covers the upper opening is formed using bolts and nuts. It is attached. Then, in the event of a vehicle collision, the air blown by the inflator inflates the airbag, and the pressure of this inflation causes the cover body to rupture along the fragile tear line and the airbag toward the front of the occupant. It is designed to expand and deploy.
【０００３】[0003]
【発明が解決しようとする課題】上記従来のように、カ
バー体をケース体にボルトおよびナットなどを用いて取
り付けると、取り付け作業が煩雑で、製造コストが上昇
する問題を有している。この点、カバー体のカバー本体
の裏面に取付片部を突設し、この取付片部をケース体の
外側に係合して取り付ける構成が考えられるが、係合す
る際に取付片部を拡開させるように力を加えると、カバ
ー体の裏面に形成した補強用リブを介してカバー本体に
力が加わり、特に、略Ｈ字状のテアラインを形成した場
合に、テアラインの近傍などの外観が悪化する問題を有
している。When the cover body is attached to the case body by using bolts and nuts as in the prior art, there is a problem that the attaching work is complicated and the manufacturing cost is increased. In this regard, it is conceivable that a mounting piece is provided on the back surface of the cover body of the cover body, and the mounting piece is engaged with the outside of the case body to be mounted. When a force is applied to open the cover body, the force is applied to the cover body through the reinforcing ribs formed on the back surface of the cover body, and especially when a substantially H-shaped tear line is formed, the appearance of the vicinity of the tear line is improved. Has a problem that gets worse.
【０００４】本発明は、このような点に鑑みなされたも
ので、被取付部材に容易に取り付けでき、取付作業に際
して、テアラインに無理な応力がかからないようにした
エアバッグ装置のカバー体を提供することを目的とす
る。The present invention has been made in view of the above points, and provides a cover body for an air bag device which can be easily attached to a member to be attached so that an unreasonable stress is not applied to a tear line during an attaching operation. The purpose is to
【０００５】[0005]
【課題を解決するための手段】請求項１記載のエアバッ
グ装置のカバー体は、エアバッグ装置のエアバッグを覆
うカバー本体と、このカバー本体の裏面から突設され被
取付部材に係合して取り付けられる取付片部と、これら
カバー本体の裏面と取付片部の側面とを連設して補強す
る補強リブとを備え、前記補強リブは、前記取付片部に
近接した部分に、他の部分より弱化された弱部を形成し
たものである。According to a first aspect of the present invention, there is provided a cover body for an airbag apparatus, a cover body for covering an airbag of the airbag apparatus, and a member to be attached which is projected from a rear surface of the cover body. And a reinforcing rib for continuously reinforcing the back surface of the cover body and the side surface of the mounting piece portion, and the reinforcing rib is provided at a portion close to the mounting piece portion with another member. This is a weakened portion that is weaker than the portion.
【０００６】そして、この構成では、取付片部を被取付
部材に係合して取り付ける際に、取付片部に力が加わる
と、補強リブの弱部が他の部分に比べて容易に変形する
ので、カバー体の取り付け作業が容易になるとともに、
カバー本体の外観の悪化が防止される。With this structure, when a force is applied to the mounting piece when the mounting piece is engaged with and attached to the member to be mounted, the weak portion of the reinforcing rib is deformed more easily than other portions. As a result, it becomes easier to attach the cover body,
The deterioration of the appearance of the cover body is prevented.
【０００７】請求項２記載のエアバッグ装置のカバー体
は、請求項１記載のエアバッグ装置のカバー体におい
て、被取付部材の外側に係合保持される一対の取付片部
が設けられ、一方の取付片部に隣接する補強リブのみに
弱部が形成されたものである。According to a second aspect of the present invention, there is provided a cover body for an airbag apparatus according to the first aspect, further comprising a pair of attachment pieces that are engaged with and held by an outer side of a member to be attached. The weak portion is formed only in the reinforcing rib adjacent to the mounting piece portion.
【０００８】そして、この構成では、一方の取付片部に
隣接する補強リブのみに弱部を形成したので、弱部を形
成した側の取付片部を後から係合することにより取り付
け作業は容易になるとともに、補強リブの強度の低下が
抑制される。In this structure, since the weak portion is formed only in the reinforcing rib adjacent to the one mounting piece portion, the mounting work is facilitated by engaging the mounting piece portion on the side where the weak portion is formed later. At the same time, the reduction in strength of the reinforcing ribs is suppressed.
【０００９】請求項３記載のエアバッグ装置のカバー体
は、請求項１または２記載のエアバッグ装置のカバー体
において、補強リブは、格子状に形成されたものであ
る。According to a third aspect of the present invention, in the cover body of the first or second aspect of the present invention, the reinforcing ribs are formed in a lattice shape.
【００１０】そして、この構成では、カバー体の強度が
向上する。With this structure, the strength of the cover body is improved.
【００１１】請求項４記載のエアバッグ装置のカバー体
は、請求項１ないし３いずれか記載のエアバッグ装置の
カバー体において、補強リブの弱部は、他の部分より高
さ寸法が小さくなるように形成されたものである。According to a fourth aspect of the present invention, there is provided a cover body for an airbag apparatus according to any one of the first to third aspects, wherein the weak portion of the reinforcing rib has a smaller height than other portions. It is formed as follows.
【００１２】そして、この構成では、弱部が容易に形成
される。In this structure, the weak portion can be easily formed.
【００１３】請求項５記載のエアバッグ装置のカバー体
は、請求項１ないし４いずれか記載のエアバッグ装置の
カバー体において、補強リブの弱部は、取付片部に近付
くに連れて高さ寸法が漸減するものである。According to a fifth aspect of the present invention, there is provided a cover body for an airbag apparatus according to any one of the first to fourth aspects, wherein the weakened portion of the reinforcing rib is higher in height as it approaches the mounting piece portion. The size is gradually reduced.
【００１４】そして、この構成では、弱部が容易に形成
されるとともに、弱部の変形が円滑になる。In this structure, the weak portion is easily formed and the weak portion is smoothly deformed.
【００１５】請求項６記載のエアバッグ装置のカバー体
は、請求項１ないし５いずれか記載のエアバッグ装置の
カバー体において、補強リブの弱部は、他の部分より厚
さ寸法が小さく形成されたものである。According to a sixth aspect of the present invention, there is provided a cover body for an airbag apparatus according to any one of the first to fifth aspects, wherein the reinforcing rib has a weak portion having a smaller thickness than other portions. It was done.
【００１６】そして、この構成では、弱部が容易に形成
される。With this structure, the weak portion is easily formed.
【００１７】請求項７記載のエアバッグ装置のカバー体
は、請求項１ないし６いずれか記載のエアバッグ装置の
カバー体において、補強リブの弱部は、取付片部に近付
くに連れて厚さ寸法が漸減するものである。According to a seventh aspect of the present invention, there is provided a cover body for an airbag apparatus according to any one of the first to sixth aspects, wherein the weakened portion of the reinforcing rib becomes thicker as it approaches the mounting piece portion. The size is gradually reduced.
【００１８】そして、この構成では、弱部が容易に形成
されるとともに、弱部の変形が円滑になる。In this structure, the weak portion is easily formed and the weak portion is smoothly deformed.
【００１９】請求項８記載のエアバッグ装置のカバー体
は、請求項１ないし７いずれか記載のエアバッグ装置の
カバー体において、補強リブは、取付片部の外側に位置
して形成されたものである。According to an eighth aspect of the present invention, there is provided a cover body for an airbag apparatus according to any one of the first to seventh aspects, wherein the reinforcing rib is formed outside the mounting piece. Is.
【００２０】そして、この構成では、取付片部の内側に
おけるカバー本体の開裂、展開が容易になる。With this structure, the cover body inside the mounting piece can be easily torn and unfolded.
【００２１】[0021]
【発明の実施の形態】以下、本発明のエアバッグ装置の
カバー体の一実施の形態を図面を参照して説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a cover of an airbag device according to the present invention will be described below with reference to the drawings.
【００２２】図１において、１は自動車のインストルメ
ントパネルで、このインストルメントパネル１の内側
に、助手席乗員用のエアバッグ装置11が取り付けられて
いる。そして、このエアバッグ装置11は、開口部12a を
有する被取付部材としてのケース体（リテーナ）12を備
え、このケース体12の内側に、ガスを噴射するインフレ
ータ14と、折り畳まれたエアバッグ15と、ミッドリテー
ナ16となどを収納するとともに、開口部12a を、樹脂製
のカバー体18により覆って構成されている。なお、図１
において、左側がフロントガラス側、右側が乗員側とな
っている。In FIG. 1, reference numeral 1 denotes an instrument panel of an automobile. Inside the instrument panel 1, an airbag device 11 for a passenger in a passenger seat is attached. The airbag device 11 includes a case body (retainer) 12 as an attached member having an opening 12a. Inside the case body 12, an inflator 14 for injecting gas and a folded airbag 15 are provided. And the mid retainer 16 and the like, and the opening 12a is covered with a cover body 18 made of resin. FIG.
, The left side is the windshield side and the right side is the occupant side.
【００２３】そして、ケース体12は、上部に矩形状の開
口部12a を設けた断面略Ｕ字状をなし、幅狭な中間部を
介して、下側にインフレータ収納部21が形成され、上側
にエアバッグ収納部22が形成されている。また、ケース
体12の底部には、ボルト24を固着するなどした取付板25
が固着され、車体側の部材に固定されるようになってい
る。また、インフレータ収納部21の上側部の前後の内面
には、下方に向かって拡開する傾斜面部28，28が設けら
れているとともに、これら傾斜面部28，28には、それぞ
れ長手方向に沿って所定の間隔でボルト用通孔29が形成
されている。さらに、ケース体12の上端部近傍の前後の
外面には、それぞれ断面略Ｃ字状などをなす係合爪31が
所定間隔で複数固着されている。The case body 12 has a substantially U-shaped cross section having a rectangular opening 12a in the upper part, and an inflator accommodating part 21 is formed in the lower part through a narrow intermediate part, and an upper part is formed. An airbag storage portion 22 is formed in the. In addition, a mounting plate 25, such as a bolt 24, is attached to the bottom of the case body 12.
Is fixed and fixed to a member on the vehicle body side. In addition, on the front and rear inner surfaces of the upper side of the inflator storage portion 21, inclined surface portions 28, 28 that widen downward are provided, and these inclined surface portions 28, 28 respectively extend in the longitudinal direction. Bolt through holes 29 are formed at predetermined intervals. Further, a plurality of engaging claws 31 each having a substantially C-shaped cross section are fixed to the front and rear outer surfaces near the upper end of the case body 12 at predetermined intervals.
【００２４】また、インフレータ14は、周面あるいは一
端部などに形成されたガス噴射口からガスを噴射するも
ので、ケース体12の両端部に支持して固定されている。The inflator 14 is for injecting gas from a gas injection port formed on the peripheral surface or one end, and is supported and fixed to both ends of the case body 12.
【００２５】また、エアバッグ15は、布製の袋で、ケー
ス体12の横断面形状に沿う矩形状のガス流入口41を有し
ている。そして、波状に折り畳まれた後、巻き込むよう
に折り畳まれた状態で、エアバッグ収納部22に収納され
ている。Further, the airbag 15 is a cloth bag and has a rectangular gas inlet 41 along the cross-sectional shape of the case body 12. Then, after being folded in a wave shape, they are stored in the airbag storage portion 22 in a state of being folded so as to be rolled up.
【００２６】さらに、カバー体18は、樹脂などにて一体
に形成され、図１および図２に示すように、インストル
メントパネル１に形成された開口1aを覆うカバー本体43
と、このカバー本体43の下側に突設された略四角筒状の
取付片部44と、この取付片部44の外側に位置してそれぞ
れカバー本体43の下側に突設された係合片部45と、取付
片部44の外側に位置してカバー本体43の裏面と取付片部
44および係合片部45の側面を連設して補強する補強リブ
46となどが設けられている。そして、取付片部44には、
それぞれケース体12の係合爪31に係合される取付孔47が
形成されている。また、各係合片部45には、インストル
メントパネル１の開口1aの端縁部などに係合する係合突
部48が形成されている。また、カバー本体43の裏面側に
は、取付片部44の内側に位置して平面略Ｈ字状などをな
して凹設され他の部分より脆弱なテアライン49が形成さ
れている。Further, the cover body 18 is integrally formed of resin or the like, and as shown in FIGS. 1 and 2, the cover body 43 covering the opening 1a formed in the instrument panel 1.
And a mounting piece portion 44 of a substantially rectangular tube shape projectingly provided on the lower side of the cover body 43, and an engagement projecting on the lower side of the cover body 43 located outside the mounting piece portion 44, respectively. Located on the outside of the piece 45 and the attachment piece 44, the back surface of the cover body 43 and the attachment piece
Reinforcing ribs for continuously reinforcing the side surfaces of 44 and the engaging piece portion 45
46 and etc. are provided. And, in the mounting piece portion 44,
Mounting holes 47 are formed to be engaged with the engaging claws 31 of the case body 12, respectively. Further, each engagement piece portion 45 is formed with an engagement protrusion 48 that engages with an edge portion of the opening 1a of the instrument panel 1 or the like. Further, a tear line 49 is formed on the back surface side of the cover body 43, which is located inside the mounting piece portion 44 and has a substantially H-shaped planar shape and is recessed to be weaker than other portions.
【００２７】さらに、取付片部44に連設する補強リブ46
のうち、所定の複数の補強リブ46には、取付片部44に近
接して、補強リブ46の他の部分より弱化された弱部50が
形成されている。すなわち、他の補強リブ46は、厚さ寸
法および高さ寸法すなわちカバー本体43の裏面からの突
出寸法がほぼ一定であるのに対して、弱部50において
は、取付片部44に向かって次第に高さ寸法が小さくな
り、外力を受けた際に変形しやすくなっている。Further, a reinforcing rib 46 is provided continuously with the mounting piece 44.
Among the predetermined plurality of reinforcing ribs 46, a weak portion 50 weaker than other portions of the reinforcing rib 46 is formed near the mounting piece portion 44. That is, in the other reinforcing ribs 46, the thickness dimension and the height dimension, that is, the projecting dimension from the back surface of the cover body 43 is substantially constant, whereas in the weak portion 50, it gradually increases toward the attachment piece portion 44. The height dimension is small and it is easy to deform when receiving external force.
【００２８】そして、ミッドリテーナ16は、例えば、矩
形状の金属板を屈曲、および切り起こしなどして形成さ
れ、ボルト用通孔29に挿入されるボルト55をナット57に
て締め付け固定することにより、ケース体12の内側に固
定され、エアバッグ15を保持するとともに、エアバッグ
15とインフレータ14との間に所定の間隔を確保するよう
になっている。The mid retainer 16 is formed, for example, by bending, cutting and raising a rectangular metal plate, and tightens and fixes a bolt 55 inserted in the bolt through hole 29 with a nut 57. Is fixed inside the case body 12, holds the airbag 15, and
A predetermined space is secured between the inflator 15 and the inflator 14.
【００２９】そして、このエアバッグ装置11を組み立て
る際には、まず、ミッドリテーナ16にエアバッグ15を装
着し、次いで、このミッドリテーナ16をケース体12内に
固定し、続いて、エアバッグ15を折り畳んでケース体12
内に収納する。続いて、開口部12a にカバー体18を被
せ、まず、前側の取付片部44の取付孔47にケース体12の
係合爪31を係合し、続いて、後側（乗員側）の取付片部
44を後側に拡開させるように力を加えて変形させなが
ら、取付孔47にケース体12の係合爪31を係合する。そし
て、最後に、ケース体12にインフレータ14を挿入固定す
る。When assembling the airbag device 11, first, the airbag 15 is mounted on the mid retainer 16, then the mid retainer 16 is fixed in the case body 12, and then the airbag 15 is fixed. Fold the case body 12
Housed inside. Subsequently, the opening 12a is covered with the cover body 18, first, the engaging claws 31 of the case body 12 are engaged with the mounting holes 47 of the mounting piece portion 44 on the front side, and then the rear side (passenger side) mounting One part
The engaging claw 31 of the case body 12 is engaged with the mounting hole 47 while deforming by applying force so as to expand the rear portion 44 to the rear side. Then, finally, the inflator 14 is inserted and fixed in the case body 12.
【００３０】そして、自動車が衝突した際などには、こ
の衝突の衝撃を図示しないセンサが検出し、インフレー
タ14を作動させる。すると、このインフレータ14から噴
射されたガスの圧力により、エアバッグ15が膨張展開
し、カバー体18のカバー本体43をテアライン49に沿って
開裂させ、図１に想像線で示すように、カバー本体43を
展開させる。すると、エアバッグ15は、ケース12から突
出し、フロントガラスに沿いながら乗員の正面の前側に
向かって膨張展開し、乗員を保護するようになってい
る。When a vehicle collides, the impact of the collision is detected by a sensor (not shown) and the inflator 14 is activated. Then, the pressure of the gas injected from the inflator 14 causes the airbag 15 to inflate and deploy, causing the cover body 43 of the cover body 18 to tear along the tear line 49, and as shown by an imaginary line in FIG. Expand 43. Then, the airbag 15 projects from the case 12, expands and deploys toward the front side of the front of the occupant along the windshield, and protects the occupant.
【００３１】このように、本実施の形態のエアバッグ装
置によれば、係合によりカバー体18をケース体12に取り
付けできるため、ボルトなどを用いる構成に比べて、作
業を容易にし、製造コストを低減することができる。As described above, according to the airbag apparatus of the present embodiment, the cover body 18 can be attached to the case body 12 by engagement, so that the work can be performed more easily and the manufacturing cost can be reduced as compared with the structure using the bolts or the like. Can be reduced.
【００３２】そして、カバー本体43の裏面には、格子状
に補強リブ46を形成したため、カバー本体43の強度を向
上できるとともに、取付片部44に近接して補強リブ46に
弱部50を形成したため、カバー体18の強度の低下を抑制
しつつ、取付片部44を容易かつ円滑に変形させて係合爪
31に係合でき、作業性を向上でき、さらに、カバー本体
43に力が加わってテアライン49の部分などの外観が悪化
することを防止できる。Since the reinforcing ribs 46 are formed on the back surface of the cover main body 43 in a lattice pattern, the strength of the cover main body 43 can be improved, and the weak portions 50 are formed in the reinforcing ribs 46 in the vicinity of the mounting pieces 44. Therefore, while suppressing a decrease in the strength of the cover body 18, the mounting piece portion 44 is easily and smoothly deformed to engage the engaging claw.
31 can be engaged, workability can be improved, and the cover body
It is possible to prevent the appearance of the tear line 49 and the like from being deteriorated by applying force to 43.
【００３３】さらに、取付片部44に近接して弱部50を形
成したため、インフレータ14が作動してカバー本体43が
テアライン49に沿って開裂、展開する際にも、弱部50に
おいて補強リブ46を円滑に変形させて、カバー本体43の
回転運動を円滑にすることができる。Further, since the weak portion 50 is formed close to the mounting piece portion 44, the reinforcing rib 46 at the weak portion 50 is also formed when the inflator 14 is actuated and the cover body 43 is torn and expanded along the tear line 49. Can be smoothly deformed to smoothly rotate the cover body 43.
【００３４】なお、カバー体の形状は、上記の実施の形
態のものに限られず、例えば、図３に示すように、図１
に示す係合突部48を形成しない形状とすることもでき
る。The shape of the cover body is not limited to that of the above-described embodiment, and for example, as shown in FIG.
It is also possible to have a shape in which the engaging protrusion 48 shown in FIG.
【００３５】また、弱部50は、高さ寸法を小さくして形
成するほか、厚さ寸法を次第に小さくして形成すること
もできる。Further, the weak portion 50 can be formed by reducing the height dimension, or by gradually reducing the thickness dimension.
【００３６】さらに、上記の実施の形態では前側の取付
片部44を先に係合するため、後側の取付片部44に近接し
て弱部50を形成したが、レイアウトの関係などにより、
後側の取付片部44を先に係合する場合には、前側の取付
片部44に近接して弱部50を形成してもよく、さらに、前
後の取付片部44に近接して弱部50を形成することもでき
る。Further, in the above embodiment, since the front mounting piece 44 is engaged first, the weak portion 50 is formed close to the rear mounting piece 44. However, due to the layout and the like,
When the rear mounting piece 44 is engaged first, the weak portion 50 may be formed in the vicinity of the front mounting piece 44, and further, in the vicinity of the front and rear mounting pieces 44, the weak portion 50 may be weakened. The part 50 can also be formed.
【００３７】[0037]
【発明の効果】請求項１記載のエアバッグ装置のカバー
体によれば、取付片部を被取付部材に係合して取り付け
る際に、取付片部に力が加わると、補強リブの弱部が他
の部分に比べて容易に変形するため、カバー体の取り付
け作業を容易にできるとともに、カバー本体の外観の悪
化を防止できる。According to the cover body of the airbag device of the first aspect, when a force is applied to the mounting piece when the mounting piece is engaged with the member to be mounted, the weakened portion of the reinforcing rib is affected. Since it is deformed more easily than other parts, it is possible to facilitate the work of attaching the cover body and prevent the deterioration of the outer appearance of the cover body.
【００３８】請求項２記載のエアバッグ装置のカバー体
によれば、請求項１記載の効果に加え、一方の取付片部
に隣接する補強リブのみに弱部を形成したため、弱部を
形成した側の取付片部を後から係合することにより取り
付け作業を容易にできるとともに、補強リブの強度の低
下を抑制できる。According to the cover body of the airbag device of the second aspect, in addition to the effect of the first aspect, since the weak portion is formed only in the reinforcing rib adjacent to the one mounting piece portion, the weak portion is formed. By engaging the mounting piece on the side later, the mounting work can be facilitated, and the reduction in strength of the reinforcing rib can be suppressed.
【００３９】請求項３記載のエアバッグ装置のカバー体
によれば、請求項１または２記載の効果に加え、補強リ
ブを、格子状に形成したため、カバー体の強度を向上で
き、成形後の反り変形を抑制してカバー体の寸法安定性
を向上できる。According to the cover body of the airbag device of the third aspect, in addition to the effect of the first or second aspect, since the reinforcing ribs are formed in a lattice shape, the strength of the cover body can be improved, and the cover body after molding can be improved. The warp deformation can be suppressed and the dimensional stability of the cover body can be improved.
【００４０】請求項４記載のエアバッグ装置のカバー体
によれば、請求項１ないし３いずれか記載の効果に加
え、補強リブの弱部を、他の部分より高さ寸法が小さく
なるように形成したため、弱部を容易に形成できる。According to the cover body of the air bag device of claim 4, in addition to the effect of any one of claims 1 to 3, the weak portion of the reinforcing rib is made smaller in height than other portions. Since it is formed, the weak portion can be easily formed.
【００４１】請求項５記載のエアバッグ装置のカバー体
によれば、請求項１ないし４いずれか記載の効果に加
え、補強リブの弱部を、取付片部に近付くに連れて高さ
寸法が漸減するように形成したため、弱部を容易に形成
できるとともに、弱部の変形を円滑にできる。According to the cover body of the airbag device of the fifth aspect, in addition to the effect of any of the first to fourth aspects, the height dimension of the weak portion of the reinforcing rib becomes closer to the mounting piece portion. Since it is formed so as to gradually decrease, the weak portion can be easily formed and the weak portion can be smoothly deformed.
【００４２】請求項６記載のエアバッグ装置のカバー体
によれば、請求項１ないし５いずれか記載の効果に加
え、補強リブの弱部を、他の部分より厚さ寸法が小さく
なるように形成したため、弱部を容易に形成できる。According to the cover body of the airbag device of claim 6, in addition to the effect of any one of claims 1 to 5, the weak portion of the reinforcing rib has a smaller thickness than other portions. Since it is formed, the weak portion can be easily formed.
【００４３】請求項７記載のエアバッグ装置のカバー体
によれば、請求項１ないし６いずれか記載の効果に加
え、補強リブの弱部を、取付片部に近付くに連れて厚さ
寸法が漸減するように形成したため、弱部を容易に形成
できるとともに、弱部の変形を円滑にできる。According to the cover body of the airbag device of the seventh aspect, in addition to the effect of any of the first to sixth aspects, the thickness dimension of the weak portion of the reinforcing rib becomes closer to the mounting piece portion. Since it is formed so as to gradually decrease, the weak portion can be easily formed and the weak portion can be smoothly deformed.
【００４４】請求項８記載のエアバッグ装置のカバー体
によれば、請求項１ないし７いずれか記載の効果に加
え、補強リブを、取付片部の外側に位置して形成したた
め、取付片部の内側におけるカバー本体の開裂、展開を
容易にできる。According to the cover body of the airbag device of claim 8, in addition to the effect of any one of claims 1 to 7, since the reinforcing rib is formed outside the mounting piece portion, the mounting piece portion is formed. It is possible to easily open and spread the cover main body inside.
【図１】本発明のエアバッグ装置のカバー体の一実施の
形態を示す断面図である。FIG. 1 is a cross-sectional view showing an embodiment of a cover body of an airbag device of the present invention.
【図２】同上カバー体の裏面図である。FIG. 2 is a rear view of the same cover body.
【図３】本発明のエアバッグ装置のカバー体の他の実施
の形態を示す断面図である。FIG. 3 is a cross-sectional view showing another embodiment of the cover body of the airbag device of the present invention.
11 エアバッグ装置 12 被取付部材としてのケース体 15 エアバッグ 18 カバー体 43 カバー本体 44 取付片部 46 補強リブ 50 弱部 11 Airbag device 12 Case body as a member to be mounted 15 Airbag 18 Cover body 43 Cover body 44 Mounting piece portion 46 Reinforcing rib 50 Weak portion
Claims (8)
ー本体と、このカバー本体の裏面から突設され被取付部
材に係合して取り付けられる取付片部と、これらカバー
本体の裏面と取付片部の側面とを連設して補強する補強
リブとを備え、 前記補強リブは、前記取付片部に近接した部分に、他の
部分より弱化された弱部を形成したことを特徴とするエ
アバッグ装置のカバー体。1. A cover main body for covering an airbag of an airbag device, a mounting piece portion projecting from a back surface of the cover main body and attached by being engaged with a member to be mounted, a back surface of the cover main body and a mounting piece portion. And a reinforcing rib for continuously reinforcing the side surface of the airbag, wherein the reinforcing rib has a weakened portion, which is weaker than other portions, in a portion close to the mounting piece portion. The cover body of the device.
の取付片部が設けられ、一方の取付片部に隣接する補強
リブのみに弱部が形成されたことを特徴とする請求項１
記載のエアバッグ装置のカバー体。2. A pair of mounting pieces that are engaged and held on the outer side of the mounted member are provided, and a weak portion is formed only in the reinforcing rib adjacent to one mounting piece. 1
A cover body for the airbag device according to any one of the preceding claims.
特徴とする請求項１または２記載のエアバッグ装置のカ
バー体。3. The cover body for an airbag device according to claim 1, wherein the reinforcing ribs are formed in a lattice shape.
法が小さくなるように形成されたことを特徴とする請求
項１ないし３いずれか記載のエアバッグ装置のカバー
体。4. The cover body for an airbag device according to claim 1, wherein the weak portion of the reinforcing rib is formed so as to have a height dimension smaller than other portions.
連れて高さ寸法が漸減することを特徴とする請求項１な
いし４いずれか記載のエアバッグ装置のカバー体。5. The cover body for an airbag device according to claim 1, wherein the weak portion of the reinforcing rib gradually decreases in height as it approaches the mounting piece portion.
法が小さく形成されたことを特徴とする請求項１ないし
５いずれか記載のエアバッグ装置のカバー体。6. The cover body for an airbag apparatus according to claim 1, wherein the weak portion of the reinforcing rib is formed to have a smaller thickness than other portions.
連れて厚さ寸法が漸減することを特徴とする請求項１な
いし６いずれか記載のエアバッグ装置のカバー体。7. The cover body for an airbag device according to claim 1, wherein the weak portion of the reinforcing rib gradually decreases in thickness as it approaches the attachment piece.
形成されたことを特徴とする請求項１ないし７いずれか
記載のエアバッグ装置のカバー体。8. The cover body for an airbag device according to claim 1, wherein the reinforcing rib is formed outside the attachment piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31320195A JP3464858B2 (en) | 1995-11-30 | 1995-11-30 | Cover body of airbag device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31320195A JP3464858B2 (en) | 1995-11-30 | 1995-11-30 | Cover body of airbag device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09150696A true JPH09150696A (en) | 1997-06-10 |
| JP3464858B2 JP3464858B2 (en) | 2003-11-10 |
Family
ID=18038329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31320195A Expired - Fee Related JP3464858B2 (en) | 1995-11-30 | 1995-11-30 | Cover body of airbag device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3464858B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005335406A (en) * | 2004-05-24 | 2005-12-08 | Calsonic Kansei Corp | Structure for detaching air bag module |
| EP2103488A1 (en) * | 2008-03-21 | 2009-09-23 | Takata Corporation | Airbag cover and airbag device |
| JP2010012951A (en) * | 2008-07-03 | 2010-01-21 | Takata Corp | Airbag cover and airbag apparatus |
-
1995
- 1995-11-30 JP JP31320195A patent/JP3464858B2/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005335406A (en) * | 2004-05-24 | 2005-12-08 | Calsonic Kansei Corp | Structure for detaching air bag module |
| JP4570397B2 (en) * | 2004-05-24 | 2010-10-27 | カルソニックカンセイ株式会社 | Airbag module removal structure |
| EP2103488A1 (en) * | 2008-03-21 | 2009-09-23 | Takata Corporation | Airbag cover and airbag device |
| US8113538B2 (en) | 2008-03-21 | 2012-02-14 | Takata Corporation | Airbag cover and airbag device |
| JP2010012951A (en) * | 2008-07-03 | 2010-01-21 | Takata Corp | Airbag cover and airbag apparatus |
| EP2141052A3 (en) * | 2008-07-03 | 2010-09-15 | Takata Corporation | Airbag cover and airbag apparatus |
| US8029015B2 (en) | 2008-07-03 | 2011-10-04 | Takata Corporation | Airbag cover and airbag apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3464858B2 (en) | 2003-11-10 |
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