JP3935032B2

JP3935032B2 - Crew restraint system

Info

Publication number: JP3935032B2
Application number: JP2002261400A
Authority: JP
Inventors: 康二池田; 史治落合; 文俊安原
Original assignee: Honda Motor Co Ltd
Current assignee: Honda Motor Co Ltd
Priority date: 2002-09-06
Filing date: 2002-09-06
Publication date: 2007-06-20
Anticipated expiration: 2022-09-06
Also published as: JP2004098783A

Description

【０００１】
【発明の属する技術分野】
本発明は、車体のドア開口部の上縁に沿って折り畳み状態のエアバッグを配置し、車両の衝突時にインフレータが発生する高圧ガスでエアバッグを膨張させて車室の側部内面に沿ってカーテン状に展開させるべく、折り畳んだエアバッグの下方に該エアバッグを車室内側に向けて案内するガイド部材を設けた乗員拘束装置に関する。
【０００２】
【従来の技術】
かかる乗員拘束装置は、例えば下記特許文献１により公知である。特許文献１に記載された乗員拘束装置は、エアバッグが下方に展開する際に車室の側部内面に引っ掛かかるのを防止すべく、折り畳んだエアバッグの下方に該エアバッグの展開方向を車室側に偏向させるガイド部材を備えている。
【０００３】
【特許文献１】
特許第３１２５７２９号公報
【０００４】
【発明が解決しようとする課題】
ところで上記従来の乗員拘束装置は、折り畳み状態から膨張するエアバッグがその下方に配置したガイド部材に勢い良く当接すると、ガイド部材から受ける反力でエアバッグが上向きに跳ね上がってしまい、車室の側部内面に沿ってスムーズに展開できなくなったり、展開完了までに要する時間が長くなったりし、充分な乗員拘束性能が発揮されない可能性があった。
【０００５】
本発明は前述の事情に鑑みてなされたもので、展開するエアバッグを車室内側に向けて案内するガイド部材を設けた乗員拘束装置において、エアバッグのスムーズかつ速やかな展開を可能にすることを目的とする。
【０００６】
【課題を解決するための手段】
上記目的を達成するために、請求項１に記載された発明によれば、車体のドア開口部の上縁に沿って折り畳み状態のエアバッグを配置し、車両の衝突時にインフレータが発生する高圧ガスでエアバッグを膨張させて車室の側部内面に沿ってカーテン状に展開させるべく、折り畳んだエアバッグの下方に該エアバッグを車室内側に向けて案内するガイド部材を設けた乗員拘束装置において、折り畳んだエアバッグの上方を庇状に覆う規制部材を設け、この規制部材でエアバッグの上方への膨張を阻止するとともに、前記規制部材をガイド部材と一体に形成し、前記ガイド部材は、その頂面がルーフガーニッシュの下縁に当接するように中空に形成されることを特徴とする乗員拘束装置が提案される。
【０００７】
上記構成によれば、折り畳んだエアバッグの上方を庇状に覆う規制部材を設けたので、膨張するエアバッグが下方のガイド部材に当接して上向きの反力を受けても、規制部材によってエアバッグが上方に跳ね上がるのを規制することができる。これにより、エアバッグは確実に下向きに膨張してガイド部材により車室内側に向けて案内されるため、エアバッグが車体内側面に引っ掛かるのを防止してスムーズかつ速やかに展開させることができる。
【０００８】
また規制部材をガイド部材と一体に形成したので、規制部材およびガイド部材を別部材で構成する場合に比べて部品点数および組付工数を削減することができ、しかも中空に構成されたガイド部材が外力により圧壊するので、エアバッグが展開しない軽度の衝突時にも衝撃吸収効果を発揮させることができる。
【０００９】
また請求項２に記載された発明によれば、請求項１の構成に加えて、前記ガイド部材の中空部の下面にピラーガーニッシュと係合する係止孔を設け、前記ピラーガーニッシュと前記ガイド部材の頂面との間に前記ルーフガーニッシュを挟みこんで固定するように構成したことを特徴とする乗員拘束装置が提案される。
【００１０】
上記構成によれば、ガイド部材の中空部の下面にピラーガーニッシュと係合する係止孔を設け、またピラーガーニッシュとガイド部材の頂面との間にルーフガーニッシュを挟みこむので、特別の固定部材を用いることなくピラーガーニッシュおよびルーフガーニッシュを固定することができる。
【００１１】
【発明の実施の形態】
以下、本発明の実施の形態を、添付図面に示した本発明の実施例に基づいて説明する。
【００１２】
図１〜図８は本発明の一実施例を示すもので、図１は自動車の車室内部を示す斜視図、図２は乗員拘束装置のエアバッグが展開した状態を示す、前記図１に対応する図、図３は図２の３部拡大図、図４は図１の４−４線拡大断面図、図５は図４の５方向矢視図、図６は図３の６−６線拡大断面図、図７は乗員拘束装置の分解斜視図、図８はエアバッグの展開時の作用を説明する、前記図４に対応する図である。
【００１３】
図１に示すように、車両の車体側面にはフロントピラー１１およびセンターピラー１２間にフロントドア１３が取り付けられるドア開口部１４が形成され、センターピラー１２およびリヤピラー１５間にリヤドア１６が取り付けられるドア開口部１７が形成される。フロントピラー１１の上端とリヤピラー１５の上端とを接続するように車体前後方向に延びるルーフサイドレール１８（図４参照）はフロントドア１３およびリヤドア１６のドア開口部１４，１７の上縁を区画しており、このルーフサイドレール１８に沿って乗員拘束装置Ｃが設けられる。尚、乗員拘束装置Ｃは、実質的に同一構造のものが車体の左右両側にそれぞれ設けられているが、以下その代表として車体の右側に設けられたものについて説明する。
【００１４】
図２に示すように、車両の側面衝突時あるいはロールオーバー時に所定値以上の加速度が検出されると、車体の内部側面、即ちフロントピラー１１、センターピラー１２、リヤピラー１５、フロントドア１３のドアガラス１３ａおよびリヤドア１６のドアガラス１６ａと、フロントシート１９およびリヤシート２０に座った乗員との間に遮るように、乗員拘束装置Ｃのエアバッグ２１がドア開口部１４，１７の上縁から下向きにカーテン状に展開する。
【００１５】
図３および図６に示すように、車体前後方向に延びるエアバッグ２１は略同一形状の第１基布２５および第２基布２６を２重に重ね合わせて縫製２７したものであり、その縫製２７によって複数個のセル２９…と、上部連通路３０と、高圧ガス供給通路３１とが形成される。フロントピラー１１の内部に収納されたインフレータ３３に接続された高圧ガス供給通路３１の後端に連なる上部連通路３０から、前記複数個のセル２９…が下向きに分岐しており、それらセル２９…の下端は閉塞されている。エアバッグ２１の上部連通路３０に沿って複数個の取付部２１ａ…が形成される。
【００１６】
図４および図５から明らかなように、ルーフ３４はアウター部材３５、センター部材３６およびインナー部材３７から構成されており、エアバッグ２１の支持部２１ａ…はボルト３８…でインナー部材３７に固定される。アウター部材４３、センター部材４４およびインナー部材４５から構成されたルーフサイドレール１８の下端に接続されたセンターピラー１２は、アウトサイドパネル６５、スチフナ６６およびセンターピラーインナー６７から構成されており、ルーフサイドレール１８のインナー部材４５とセンターピラー１２のセンターピラーインナー６７とに亘って合成樹脂製のブラケット５０が装着される。ブラケット５０は、その上端に設けた取付部５０ａがルーフ３４のインナー部材３７、ルーフサイドレール１８のインナー部材４５およびセンターピラーインナー６７に重ねられた状態で前記ボルト３８で固定され、またその下端に設けた取付部５０ｂがセンターピラーインナー６７に２本のボルト５１，５１で固定される。
【００１７】
ブラケット５０の中間部には車室側に突出する中空のガイド部材５２が一体に形成されており、ガイド部材５２の上面に形成したガイド面５２ａが折り畳んだエアバッグ２１の下端に対向するとともに、ガイド部材５２の下面に形成した係止孔５２ｂにセンターピラーガーニッシュ５３の上部内面に突設した係止爪５３ａが係合する。またブラケット５０の上部には車室側に庇状に張り出す規制部材５４が一体に形成されており、この規制部材５４は折り畳んだエアバッグ２１の上部を覆っている。
【００１８】
しかして、特別のクリップ等を用いることなく、センターピラーガーニッシュ５３の上部をセンターピラー１２に固定することができ、しかもクリップを用いた場合に比べてセンターピラーガーニッシュ５３を強固に固定することができる。そしてルーフガーニッシュ４７の下縁が、ブラケット５０のガイド部材５２の頂面５２ｃとセンターピラーガーニッシュ５３の上端内面との間に挟まれて固定される。
【００１９】
図７から明らかなように、折り畳み状態のエアバッグ２１は、不織布で形成したエアバッグカバー４２の内部に収納される。エアバッグカバー４２は、長方形の布片を筒状にして下縁に沿って縫製したもので、そのルーフサイドレール１８に対向する側面に容易に破断するスリット４２ａ…がミシン目状に形成される。またエアバッグ２１の上端から突出する複数個の取付部２１ａ…が、エアバッグカバー４２の上面に形成した開口４２ｂ…を通過して上方に突出する。
【００２０】
尚、ブラケット５０の規制部材５４の付け根にはスリット５０ｃ（図５参照）が形成されており、エアバッグ２１の取付部２１ａは前記スリット５０ｃを貫通して規制部材５４の上方に突出する。
【００２１】
次に、上記実施例の作用について説明する。
【００２２】
車両の側面衝突によって加速度センサが所定値以上の加速度を検出すると、エアバッグ展開制御手段からの指令によってインフレータ３３が作動し、インフレータ３３内に圧縮充填された高圧ガスが高圧ガス供給通路３１および上部連通路３０を経て各セル２９…に流入し、それらのセル２９…を膨張させる。エアバッグ２１の膨張によりエアバッグカバー４２のスリット４２ａ…が破断し、拘束を解かれたエアバッグ２１は下方に展開する。展開するエアバッグ２１の圧力でルーフガーニッシュ４７の端縁が下方に押し下げられ、ルーフガーニッシュ４７とセンターピラーガーニッシュ５３との係合が外れて開口が形成されるため、この開口を通過したエアバッグ２１が車室内に下向きに展開する（図２および図８参照）。
【００２３】
このとき、膨張するエアバッグ２１は先ずガイド部材５２のガイド面５２ａに当接して上向きの反力を受けるが、エアバッグ２１の上方には庇状に張り出す規制部材５４が配置されているため、この規制部材５４に阻止されたエアバッグ２１は、上方に跳ね上がることなくガイド部材５２のガイド面５２ａに向けて下向きに膨張する。そしてエアバッグ２１はガイド部材５２のガイド面５２ａに案内されて車室内側に向かって偏向するため、エアバッグ２１が車体内側面、例えばセンターピラー１２の内側面に引っ掛かるのを防止してスムーズかつ速やかに展開させることができる。
【００２４】
側面衝突により発生する加速度が所定値以下の場合には乗員拘束装置Ｃは作動しないが、その衝撃で乗員の頭部がルーフサイドレール１８に臨むルーフガーニッシュ４７の端縁に二次衝突した場合には、ガイド部材５２が押し潰されて衝撃を吸収するだけでなく、折り畳まれたエアバッグ２１も衝撃吸収効果を高める機能を発揮する。このとき、ガイド部材５２に内部に多数のリブを形成しておけば、衝撃吸収効果を更に高めることができる。このように、エアバッグ２１をルーフサイドレール１８に支持するブラケット５０にエアバッグ２１の展開方向のガイド機能と衝撃吸収機能とを併せ持たせたので、各々別個の部材に上記２つの機能を持たせる場合に比べて部品点数やコストの増加を抑えるとともに、スペースの削減効果を発揮することができる。
【００２５】
以上、本発明の実施例を詳述したが、本発明はその要旨を逸脱しない範囲で種々の設計変更を行うことが可能である。
【００２６】
例えば、実施例ではブラケット５０を合成樹脂製としたが、金属製であっても良い。
【００２７】
【発明の効果】
以上のように請求項１に記載された発明によれば、折り畳んだエアバッグの上方を庇状に覆う規制部材を設けたので、膨張するエアバッグが下方のガイド部材に当接して上向きの反力を受けても、規制部材によってエアバッグが上方に跳ね上がるのを規制することができる。これにより、エアバッグは確実に下向きに膨張してガイド部材により車室内側に向けて案内されるため、エアバッグが車体内側面に引っ掛かるのを防止してスムーズかつ速やかに展開させることができる。
【００２８】
また規制部材をガイド部材と一体に形成したので、規制部材およびガイド部材を別部材で構成する場合に比べて部品点数および組付工数を削減することができ、しかも中空に構成されたガイド部材が外力により圧壊するので、エアバッグが展開しない軽度の衝突時にも衝撃吸収効果を発揮させることができる。
【００２９】
また請求項２に記載された発明によれば、ガイド部材の中空部の下面にピラーガーニッシュと係合する係止孔を設け、またピラーガーニッシュとガイド部材の頂面との間にルーフガーニッシュを挟みこむので、特別の固定部材を用いることなくピラーガーニッシュおよびルーフガーニッシュを固定することができる。
【図面の簡単な説明】
【図１】自動車の車室内部を示す斜視図
【図２】乗員拘束装置のエアバッグが展開した状態を示す、前記図１に対応する図
【図３】図２の３部拡大図
【図４】図１の４−４線拡大断面図
【図５】図４の５方向矢視図
【図６】図３の６−６線拡大断面図
【図７】乗員拘束装置の分解斜視図
【図８】エアバッグの展開時の作用を説明する、前記図４に対応する図
【符号の説明】
１４ドア開口部
１７ドア開口部
２１エアバッグ
３３インフレータ
４７ルーフガーニッシュ
５２ガイド部材
５２ｂ係止孔
５２ｃ頂面
５３ピラーガーニッシュ
５４規制部材[0001]
BACKGROUND OF THE INVENTION
According to the present invention, a folded airbag is arranged along the upper edge of the door opening of the vehicle body, and the airbag is inflated with a high-pressure gas generated by an inflator at the time of a vehicle collision, along the inner surface of the side portion of the passenger compartment. The present invention relates to an occupant restraint device in which a guide member for guiding an airbag toward a vehicle interior side is provided below a folded airbag so as to be deployed in a curtain shape.
[0002]
[Prior art]
Such an occupant restraint device is known, for example, from Patent Document 1 below. In the occupant restraint device described in Patent Document 1, in order to prevent the airbag from being caught on the inner surface of the side portion of the passenger compartment when deployed downward, the deployment direction of the airbag is below the folded airbag. Is provided with a guide member for deflecting the vehicle to the vehicle compartment side.
[0003]
[Patent Document 1]
Japanese Patent No. 3125729 [0004]
[Problems to be solved by the invention]
By the way, in the conventional occupant restraint device, when the airbag that is inflated from the folded state vigorously contacts the guide member disposed below the airbag, the airbag jumps upward due to the reaction force received from the guide member. There was a possibility that it could not be smoothly deployed along the inner surface of the side part, and it took a long time to complete the deployment, so that sufficient occupant restraint performance could not be exhibited.
[0005]
The present invention has been made in view of the above-described circumstances, and enables smooth and quick deployment of an airbag in an occupant restraint device provided with a guide member that guides the airbag to be deployed toward the vehicle interior side. With the goal.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, according to the first aspect of the present invention, a folded airbag is disposed along the upper edge of the door opening of the vehicle body, and the high pressure gas generated by the inflator when the vehicle collides. In order to inflate the airbag and deploy it in the form of a curtain along the inner side surface of the passenger compartment, an occupant restraint device provided with a guide member for guiding the airbag toward the passenger compartment side below the folded airbag A restriction member that covers the upper portion of the folded airbag in a bowl shape, and prevents the airbag from expanding upward with the restriction member, and the restriction member is formed integrally with the guide member. An occupant restraint device is proposed in which the top surface of the garnish is formed hollow so as to contact the lower edge of the roof garnish .
[0007]
According to the above configuration, since the restriction member that covers the upper portion of the folded airbag in a bowl shape is provided, even if the inflating airbag contacts the lower guide member and receives an upward reaction force, It is possible to restrict the bag from jumping upward. As a result, the airbag is surely inflated downward and guided toward the vehicle interior side by the guide member, so that the airbag can be prevented from being caught on the inner surface of the vehicle body and can be deployed smoothly and quickly.
[0008]
In addition, since the regulating member is formed integrally with the guide member, the number of parts and the number of assembling steps can be reduced as compared with the case where the regulating member and the guide member are configured as separate members. Since it is crushed by an external force, the impact absorbing effect can be exhibited even in a light collision when the airbag is not deployed.
[0009]
According to the second aspect of the present invention, in addition to the configuration of the first aspect, a locking hole that engages with the pillar garnish is provided on the lower surface of the hollow portion of the guide member, and the pillar garnish and the guide member are provided. An occupant restraint device is proposed in which the roof garnish is sandwiched between and fixed to the top surface of the vehicle .
[0010]
According to the above configuration, the locking hole that engages with the pillar garnish is provided on the lower surface of the hollow portion of the guide member, and the roof garnish is sandwiched between the pillar garnish and the top surface of the guide member. Pillar garnish and roof garnish can be fixed without using.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described based on examples of the present invention shown in the accompanying drawings.
[0012]
1 to 8 show an embodiment of the present invention. FIG. 1 is a perspective view showing the interior of an automobile. FIG. 2 shows a state in which an airbag of an occupant restraint device is deployed. 3 is an enlarged view of part 3 of FIG. 2, FIG. 4 is an enlarged sectional view taken along line 4-4 of FIG. 1, FIG. 5 is a view taken in the direction of arrow 5 in FIG. FIG. 7 is an exploded perspective view of the occupant restraint device, and FIG. 8 is a view corresponding to FIG. 4 for explaining the action when the airbag is deployed.
[0013]
As shown in FIG. 1, a door opening 14 to which a front door 13 is attached is formed between a front pillar 11 and a center pillar 12 on a side surface of the vehicle body, and a rear door 16 is attached between the center pillar 12 and the rear pillar 15. An opening 17 is formed. A roof side rail 18 (see FIG. 4) extending in the longitudinal direction of the vehicle body so as to connect the upper end of the front pillar 11 and the upper end of the rear pillar 15 defines the upper edges of the door openings 14 and 17 of the front door 13 and the rear door 16. An occupant restraint device C is provided along the roof side rail 18. The occupant restraint device C having substantially the same structure is provided on each of the left and right sides of the vehicle body. Hereinafter, the occupant restraint device C provided on the right side of the vehicle body will be described.
[0014]
As shown in FIG. 2, when acceleration of a predetermined value or more is detected at the time of side collision or rollover of the vehicle, the inner side of the vehicle body, that is, the front pillar 11, the center pillar 12, the rear pillar 15, and the door glass of the front door 13. The air bag 21 of the occupant restraint device C is curtained downward from the upper edges of the door openings 14 and 17 so as to be shielded between the door glass 16a of the rear door 16 and the occupant sitting on the front seat 19 and the rear seat 20. Expands into a shape.
[0015]
As shown in FIGS. 3 and 6, the airbag 21 extending in the longitudinal direction of the vehicle body is formed by sewing 27 the first base fabric 25 and the second base fabric 26 having substantially the same shape overlapped with each other. 27, a plurality of cells 29, an upper communication passage 30, and a high-pressure gas supply passage 31 are formed. The plurality of cells 29... Branch downward from an upper communication passage 30 connected to the rear end of the high-pressure gas supply passage 31 connected to the inflator 33 housed in the front pillar 11. The lower end of is closed. A plurality of attachment portions 21 a are formed along the upper communication path 30 of the airbag 21.
[0016]
As apparent from FIGS. 4 and 5, the roof 34 includes an outer member 35, a center member 36, and an inner member 37, and the support portion 21 a of the airbag 21 is fixed to the inner member 37 with bolts 38. The The center pillar 12 connected to the lower end of the roof side rail 18 composed of the outer member 43, the center member 44, and the inner member 45 is composed of an outside panel 65, a stiffener 66, and a center pillar inner 67, and the roof side A bracket 50 made of synthetic resin is mounted across the inner member 45 of the rail 18 and the center pillar inner 67 of the center pillar 12. The bracket 50 is fixed by the bolt 38 in a state where the mounting portion 50a provided at the upper end of the bracket 50 is overlapped with the inner member 37 of the roof 34, the inner member 45 of the roof side rail 18, and the center pillar inner 67. The provided mounting portion 50 b is fixed to the center pillar inner 67 with two bolts 51, 51.
[0017]
A hollow guide member 52 that protrudes toward the passenger compartment is integrally formed at an intermediate portion of the bracket 50, and a guide surface 52a formed on the upper surface of the guide member 52 faces the lower end of the folded airbag 21, A locking claw 53 a protruding from the upper inner surface of the center pillar garnish 53 is engaged with a locking hole 52 b formed in the lower surface of the guide member 52. In addition, a restriction member 54 is integrally formed on the upper portion of the bracket 50 so as to project toward the passenger compartment. The restriction member 54 covers the upper portion of the folded airbag 21.
[0018]
Thus, the upper portion of the center pillar garnish 53 can be fixed to the center pillar 12 without using a special clip or the like, and the center pillar garnish 53 can be firmly fixed as compared with the case where the clip is used. . The lower edge of the roof garnish 47 is sandwiched and fixed between the top surface 52 c of the guide member 52 of the bracket 50 and the upper end inner surface of the center pillar garnish 53.
[0019]
As is clear from FIG. 7, the folded airbag 21 is housed inside an airbag cover 42 formed of a nonwoven fabric. The airbag cover 42 is formed by making a rectangular cloth piece into a cylindrical shape and sewing it along the lower edge, and a slit 42a... That is easily broken on the side surface facing the roof side rail 18 is formed in a perforated shape. . A plurality of attachment portions 21a projecting from the upper end of the airbag 21 project upward through an opening 42b formed on the upper surface of the airbag cover 42.
[0020]
A slit 50c (see FIG. 5) is formed at the base of the restricting member 54 of the bracket 50, and the mounting portion 21a of the airbag 21 protrudes above the restricting member 54 through the slit 50c.
[0021]
Next, the operation of the above embodiment will be described.
[0022]
When the acceleration sensor detects an acceleration of a predetermined value or more due to a side collision of the vehicle, the inflator 33 is actuated by a command from the airbag deployment control means, and the high pressure gas compressed and filled in the inflator 33 is supplied to the high pressure gas supply passage 31 and the upper portion. It flows into each cell 29 ... via the communicating path 30, and expands those cells 29 .... Due to the inflation of the airbag 21, the slits 42a of the airbag cover 42 are broken, and the airbag 21 released from the restraint is deployed downward. The edge of the roof garnish 47 is pushed downward by the pressure of the deploying airbag 21 and the engagement between the roof garnish 47 and the center pillar garnish 53 is released to form an opening. Therefore, the airbag 21 that has passed through this opening Expands downward in the passenger compartment (see FIGS. 2 and 8).
[0023]
At this time, the inflating airbag 21 is first brought into contact with the guide surface 52a of the guide member 52 and receives an upward reaction force. However, a regulating member 54 that projects in a hook shape is disposed above the airbag 21. The airbag 21 blocked by the restriction member 54 is inflated downward toward the guide surface 52a of the guide member 52 without jumping upward. Since the airbag 21 is guided by the guide surface 52a of the guide member 52 and deflects toward the vehicle interior side, it is possible to prevent the airbag 21 from being caught on the inner surface of the vehicle body, for example, the inner surface of the center pillar 12, and smoothly. Can be deployed quickly.
[0024]
When the acceleration generated by the side collision is less than or equal to a predetermined value, the occupant restraint device C does not operate, but when the occupant's head collides with the edge of the roof garnish 47 facing the roof side rail 18 due to the impact. The guide member 52 is not only crushed and absorbs an impact, but the folded airbag 21 also exhibits a function of enhancing the impact absorbing effect. At this time, if a large number of ribs are formed inside the guide member 52, the impact absorbing effect can be further enhanced. Thus, since the bracket 50 that supports the airbag 21 on the roof side rail 18 has both the guide function and the shock absorbing function in the deployment direction of the airbag 21, each of the separate members has the above two functions. Compared with the case of making it possible, the increase in the number of parts and cost can be suppressed, and the effect of reducing space can be exhibited.
[0025]
As mentioned above, although the Example of this invention was explained in full detail, this invention can perform a various design change in the range which does not deviate from the summary.
[0026]
For example, although the bracket 50 is made of synthetic resin in the embodiment, it may be made of metal .
[0027]
【The invention's effect】
As described above, according to the first aspect of the present invention, since the restriction member that covers the upper portion of the folded airbag in a bowl shape is provided, the inflating airbag comes into contact with the lower guide member and the upward reaction occurs. Even if the force is received, it is possible to restrict the airbag from jumping upward by the restricting member. As a result, the airbag is surely inflated downward and guided toward the vehicle interior side by the guide member, so that the airbag can be prevented from being caught on the inner side surface of the vehicle body and can be deployed smoothly and quickly.
[0028]
In addition, since the regulating member is formed integrally with the guide member, the number of parts and the number of assembling steps can be reduced as compared with the case where the regulating member and the guide member are configured as separate members. Since it is crushed by an external force, the impact absorbing effect can be exhibited even in a light collision when the airbag is not deployed.
[0029]
According to the second aspect of the present invention, the locking hole for engaging with the pillar garnish is provided on the lower surface of the hollow portion of the guide member, and the roof garnish is sandwiched between the pillar garnish and the top surface of the guide member. Therefore, the pillar garnish and the roof garnish can be fixed without using a special fixing member.
[Brief description of the drawings]
FIG. 1 is a perspective view showing the interior of a vehicle interior. FIG. 2 is a view corresponding to FIG. 1 showing a state in which an airbag of an occupant restraint device is deployed. FIG. 3 is an enlarged view of part 3 in FIG. 4] an enlarged cross-sectional view taken along line 4-4 in FIG. 1 [FIG. 5] a view taken along arrow 5 in FIG. 4 [FIG. 6] an enlarged cross-sectional view taken along line 6-6 in FIG. FIG. 8 is a diagram corresponding to FIG. 4 for explaining the action when the airbag is deployed.
14 Door opening 17 Door opening 21 Air bag 33 Inflator
47 Roof garnish 52 Guide member
52b engagement hole
52c top surface
53 Pillar Garnish 54 Restriction Member

Claims

A folded airbag (21) is disposed along the upper edge of the door opening (14, 17) of the vehicle body, and the airbag (21) is inflated with high-pressure gas generated by the inflator (33) at the time of a vehicle collision. A guide member (52) for guiding the airbag (21) toward the vehicle interior side is provided below the folded airbag (21) so as to be deployed in a curtain shape along the inner side surface of the vehicle compartment. In the passenger restraint system,
A restricting member (54) that covers the upper portion of the folded airbag (21) in a bowl shape is provided, and the restricting member (54) restricts inflation of the airbag (21) upward, and the restricting member (54). Is formed integrally with the guide member (52), and the guide member (52) is formed hollow so that the top surface (52c) abuts the lower edge of the roof garnish (47). Crew restraint device .

A locking hole (52b) that engages with the pillar garnish (53) is provided on the lower surface of the hollow portion of the guide member (52), and the top surface (52c) of the pillar garnish (53) and the guide member (52) The occupant restraint device according to claim 1, characterized in that the roof garnish (47) is sandwiched between and fixed.