JP4933929B2

JP4933929B2 - Airbag cover body and airbag device

Info

Publication number: JP4933929B2
Application number: JP2007074003A
Authority: JP
Inventors: 信幸日高; 建一神尾; 肇望月; 達彦中村
Original assignee: Honda Motor Co Ltd; Nihon Plast Co Ltd
Current assignee: Honda Motor Co Ltd; Nihon Plast Co Ltd
Priority date: 2007-03-22
Filing date: 2007-03-22
Publication date: 2012-05-16
Anticipated expiration: 2027-03-22
Also published as: JP2008230445A

Description

本発明は、例えば、車両の車室の側部の窓部に沿ってエアバッグを展開するエアバッグ装置に関する。 The present invention relates to an airbag device that deploys an airbag along, for example, a window on a side portion of a vehicle cabin.

従来、ガスを導入して膨張展開するエアバッグを備えたエアバッグ装置について、自動車の車室の側部のドアの窓部などに沿って展開するいわゆるカーテンエアバッグ装置が知られている。このようなエアバッグ装置のエアバッグは、通常時は、細長く折り畳まれ、車室側面の窓部の上縁部のルーフサイドレールに沿って配置されている。そして、側面衝突や横転などの衝撃を受けた際に、インフレータからガスが供給されてエアバッグが展開し、側部の窓部などに沿って下方に面状に展開するようになっている。 2. Description of the Related Art Conventionally, a so-called curtain airbag device that deploys along a window portion of a door on a side portion of an automobile compartment is known as an airbag device including an airbag that is inflated and deployed by introducing gas. The airbag of such an airbag device is normally folded in an elongated shape and is disposed along the roof side rail at the upper edge of the window on the side of the passenger compartment. When an impact such as a side collision or roll-over is received, gas is supplied from the inflator and the airbag is deployed, and is deployed in a planar shape downward along the side window and the like.

このようなエアバッグ装置について、通常時には、折り畳んだエアバッグを覆い、エアバッグの展開時にはエアバッグに押されて変形するエアバッグカバーを備えた構成が知られている(例えば、特許文献１参照。)。このエアバッグカバーは、合成樹脂製で、ルーフサイドレールに沿って、車両室内の前後方向に沿って配置されている。そして、このエアバッグカバーには、車外側に向かって突出する複数の取付部が展開する部分と一体に形成され、この取付部に埋設された金属製の係止軸をボディ側のインナパネルに固定し、また、この取付部に組み合わされるアシストグリップの取付ボルトをボディ側のインナパネルに固定し、インナパネルに密着するようにして車体に固定されている。
特開２００３−３４１４５９号公報 (第３−４頁、図１−２、図６) About such an airbag apparatus, the structure provided with the airbag cover which covers a folded airbag normally and is pushed and deform | transformed by an airbag at the time of expansion | deployment of an airbag is known (for example, refer patent document 1). .). The airbag cover is made of synthetic resin and is disposed along the roof side rail along the front-rear direction in the vehicle compartment. The airbag cover is formed integrally with a portion where a plurality of mounting portions projecting toward the outside of the vehicle are deployed, and a metal locking shaft embedded in the mounting portion is attached to the inner panel on the body side. The assist grip mounting bolt combined with the mounting portion is fixed to the inner panel on the body side, and is fixed to the vehicle body so as to be in close contact with the inner panel.
JP 2003-341459 A (page 3-4, FIG. 1-2, FIG. 6)

上記従来のように、通常、エアバッグのカバー体は合成樹脂製であるのに対し、車体側のパネルは鉄板などの金属で形成されており、これらカバー体とパネルとの線膨張係数の差が大きいため、これらカバー体とパネルとを密着して固定すると、温度変化にともないカバー体に力が加わる。特に、車両の室内は温度変化が激しく、細長く折り畳まれたエアバッグを覆うカーテンエアバッグ装置のカバー体は長手寸法が大きいため、カバー体の両端部近傍をパネルに固定した部分に、熱膨張による力が加わりやすい問題を有している。また、車体の前後のピラーからルーフサイドレールに沿って配置されるカーテンエアバッグ装置のカバー体は、長手方向に湾曲し、すなわち側面視で湾曲した形状となっているため、エアバッグの展開時にカバー体が変形する際に、カバー体が直線状に伸びようとする挙動が生じ、カバー体をパネルに固定した部分に力が加わりやすい問題を有している。 As described above, the airbag cover body is usually made of a synthetic resin, whereas the panel on the vehicle body side is formed of a metal such as an iron plate, and the difference in coefficient of linear expansion between the cover body and the panel. Therefore, when the cover body and the panel are closely attached and fixed, a force is applied to the cover body as the temperature changes. In particular, since the temperature of the interior of a vehicle is drastically changed and the cover body of the curtain airbag device covering the airbag folded long and narrow has a large longitudinal dimension, the vicinity of both ends of the cover body is fixed to the panel due to thermal expansion. It has a problem that force is easily applied. In addition, the cover body of the curtain airbag device arranged along the roof side rail from the front and rear pillars of the vehicle body is curved in the longitudinal direction, that is, has a curved shape in a side view. When the cover body is deformed, there is a problem that the cover body tends to extend linearly, and a force is easily applied to a portion where the cover body is fixed to the panel.

本発明は、このような点に鑑みなされたもので、細長く折り畳まれたエアバッグを覆う構成に適したエアバッグのカバー体及びエアバッグ装置を提供することを目的とする。 This invention is made in view of such a point, and it aims at providing the cover body and airbag apparatus of an airbag suitable for the structure which covers the airbag folded long and narrow.

請求項１記載のエアバッグのカバー体は、細長く折り畳まれた状態からガスが導入されて膨張展開するエアバッグを覆うエアバッグのカバー体であって、折り畳まれた状態の前記エアバッグを長手方向に沿って覆うとともにこのエアバッグが配置された形状に沿って前記長手方向に湾曲したカバー本体部と、このカバー本体部の少なくとも両端部近傍に沿って設けられたカバー取付片部と、前記カバー本体部の一端部近傍に位置して前記カバー取付片部に設けられ、前記カバー本体部の長手方向に交差する方向に沿った方向を長手方向とする長孔である第１取付孔と、前記カバー本体部の他端部近傍に位置して前記カバー取付片部に設けられ、前記カバー本体部の長手方向に沿った方向を長手方向とする長孔である第２取付孔とを具備するものである。 The airbag cover body according to claim 1 is an airbag cover body that covers an airbag that is inflated and deployed by introducing gas from an elongated folded state, the longitudinal direction of the airbag in the folded state. A cover main body portion that is curved in the longitudinal direction along the shape in which the airbag is disposed, a cover mounting piece portion provided along at least the vicinity of both ends of the cover main body portion, and the cover A first mounting hole which is a long hole having a longitudinal direction in a direction along a direction intersecting a longitudinal direction of the cover main body part, provided in the cover mounting piece part located near one end of the main body part; A second mounting hole which is provided in the cover mounting piece portion and is located in the vicinity of the other end of the cover main body portion and is a long hole whose longitudinal direction is a direction along the longitudinal direction of the cover main body portion. It is.

そして、この構成では、エアバッグが細長く折り畳まれた状態では、カバー体のカバー本体部がエアバッグを覆い、エアバッグを保護するとともに外観を向上する。エアバッグが膨張展開する際は、エアバッグに押圧されたカバー体が回動するように変形し、エアバッグの膨張展開を許容する。周囲の温度変化に伴い、長手方向の寸法が大きいカバー本体部が伸縮するが、カバー本体部の端部近傍に位置する第１及び第２取付孔を、カバー本体部の長手方向に交差する方向及び長手方向に沿った方向を長手方向とする長孔としたため、他の部材に取り付けられる取付孔の部分に過大な力が加わることが抑制され、カバー体が保護される。また、エアバッグの膨張展開時に、回動するように変形するカバー体には、湾曲した状態から直線状に伸びようとする挙動が生じるが、カバー本体部の端部近傍に位置する第１及び第２取付孔を、カバー本体部の長手方向に交差する方向及び長手方向に沿った方向を長手方向とする長孔としたため、他の部材に取り付けられる取付孔の部分に過大な力が加わることが抑制され、カバー体が保護される。 And in this structure, in the state by which the airbag was folded elongate, the cover main-body part of a cover body covers an airbag, and while improving an external appearance, an airbag is protected. When the airbag is inflated and deployed, the cover body pressed by the airbag is deformed so as to rotate, thereby allowing the airbag to be inflated and deployed. The cover main body portion with a large longitudinal dimension expands and contracts with the surrounding temperature change, but the first and second mounting holes located near the end of the cover main body portion intersect the longitudinal direction of the cover main body portion. And since it was set as the long hole which makes the direction along a longitudinal direction a longitudinal direction, it is suppressed that an excessive force is added to the part of the attachment hole attached to another member, and a cover body is protected. In addition, the cover body that is deformed so as to rotate when the airbag is inflated and deployed has a behavior that tends to extend linearly from a curved state. Since the second mounting hole is a long hole whose longitudinal direction is the direction crossing the longitudinal direction of the cover main body and the direction along the longitudinal direction, an excessive force is applied to the portion of the mounting hole attached to another member. Is suppressed and the cover body is protected.

請求項２記載のエアバッグのカバー体は、請求項１記載のエアバッグのカバー体において、カバー取付片部には、第１取付孔と第２取付孔との間に位置して、カバー本体部の長手方向に沿った方向を長手方向とする長孔である第３取付孔が設けられたものである。 The airbag cover body according to claim 2 is the airbag cover body according to claim 1, wherein the cover mounting piece portion is located between the first mounting hole and the second mounting hole, A third attachment hole, which is a long hole whose longitudinal direction is the direction along the longitudinal direction of the portion, is provided.

そして、この構成では、複数の取付孔により、カバー体が他の部材に強固に取り付けられる。第２取付孔及び第３取付孔により、長手方向への伸縮を可能としつつ、カバー本体部の一端部近傍に位置し、長手方向と交差する方向を長手方向とする第１取付孔を基準として、カバー体が正確な位置に取付られる。 In this configuration, the cover body is firmly attached to the other member by the plurality of attachment holes. With the second mounting hole and the third mounting hole being able to expand and contract in the longitudinal direction, the first mounting hole that is located near one end of the cover main body and that intersects the longitudinal direction as the longitudinal direction is used as a reference. The cover body is attached at an accurate position.

請求項３記載のエアバッグ装置は、細長く折り畳まれた状態からガスが導入されて膨張展開するエアバッグと、このエアバッグを覆う請求項１または２記載のカバー体と、前記カバー体の各取付孔に挿入される固定具と、前記エアバッグが取り付けられるとともに、前記カバー体の各取付孔に挿入された固定具がそれぞれ固定される固定受部を備える取付体とを具備したものである。 The airbag device according to claim 3 is an airbag that is inflated and deployed by introducing gas from an elongated folded state, the cover body according to claim 1 or 2 that covers the airbag, and each attachment of the cover body. A fixing tool to be inserted into the hole, and an attachment body to which the airbag is attached and a fixing receiving portion to which the fixing tool inserted into each attachment hole of the cover body is fixed.

そして、この構成では、請求項１または２記載のカバー体を備えたため、細長く折り畳まれたエアバッグを覆ったカバー体が保護されたエアバッグ装置が提供される。 And in this structure, since the cover body of Claim 1 or 2 was provided, the airbag apparatus with which the cover body which covered the airbag folded long and narrow was protected is provided.

請求項４記載のエアバッグ装置は、請求項３記載のエアバッグ装置において、カバー体は、車両の内装材であり、取付体は、車両の車室の側部に配置され、エアバッグは、前記車室の側部に沿って展開するものである。 The airbag device according to claim 4 is the airbag device according to claim 3, wherein the cover body is an interior material of the vehicle, the attachment body is disposed on a side portion of the vehicle compartment, and the airbag is It develops along the side of the vehicle compartment.

そして、この構成では、カバー体は、温度変化により加わる力及び変形時に加わる力から保護されるため、車両の車室の側部に配置される長手寸法の大きいカバー体を備えたエアバッグ装置に適した構成が提供される。 In this configuration, since the cover body is protected from the force applied by the temperature change and the force applied at the time of deformation, the airbag apparatus including the cover body having a large longitudinal dimension disposed on the side portion of the vehicle cabin. A suitable configuration is provided.

請求項５記載のエアバッグ装置は、請求項４記載のエアバッグ装置において、第１取付孔は、上下方向を長手方向として形成され、この第１取付孔に挿入された固定具は、基準位置として設定された固定受部に固定されるものである。 The airbag device according to claim 5 is the airbag device according to claim 4, wherein the first mounting hole is formed with the vertical direction as a longitudinal direction, and the fixing tool inserted into the first mounting hole has a reference position. It is fixed to the fixed receiving part set as.

そして、この構成では、上下方向を長手方向として一端部近傍に位置する第１取付孔に挿入された固定具を、基準位置として設定された固定受部に固定することにより、カバー体が通常時の位置のずれを抑制した状態で配置され、外観が向上する。 In this configuration, the cover body is in a normal state by fixing the fixture inserted in the first mounting hole located in the vicinity of the one end with the vertical direction as the longitudinal direction to the fixed receiving portion set as the reference position. It is arranged in a state in which the displacement of the position is suppressed, and the appearance is improved.

請求項６記載のエアバッグ装置は、請求項４または５記載のエアバッグ装置において、取付体は、車体に固定される固定部と、固定受部を設けた支持部と、これら固定部と支持部とを連結する塑性変形可能な金属製の連結部とを備えたものである。 The airbag device according to claim 6 is the airbag device according to claim 4 or 5, wherein the attachment body includes a fixed portion fixed to the vehicle body, a support portion provided with a fixed receiving portion, and the fixed portion and the support. And a plastically deformable metal connecting part that connects the parts.

そして、この構成では、エアバッグの展開時に、エアバッグがカバー体を押動すると、取付体の連結部が塑性変形して、カバー体の移動を許容し、エアバッグが展開する。連結部は、塑性変形可能な金属製としたため、樹脂製の構成に比べて、温度変化に伴う特性の変化が小さく、通常時にはカバー体がエアバッグを外観良く安定して覆うとともにエアバッグの展開時にはカバー体が円滑に移動する好ましい特性が容易に実現される。 In this configuration, when the airbag pushes the cover body when the airbag is deployed, the connecting portion of the attachment body is plastically deformed, allowing the cover body to move, and the airbag is deployed. Because the connecting part is made of plastically deformable metal, the change in characteristics due to temperature change is small compared to the resin structure, and the cover body covers the airbag stably with good appearance in normal times and the airbag is deployed. Sometimes a favorable characteristic that the cover body moves smoothly is easily realized.

本発明によれば、細長く折り畳まれたエアバッグを覆うカバー体により、エアバッグを保護できるとともに外観を向上できる。周囲の温度変化やエアバッグの膨張展開時に、他の部材に取り付けられる取付孔の部分に過大な力が加わることを抑制し、カバー体を保護できる。 ADVANTAGE OF THE INVENTION According to this invention, an airbag can be protected and an external appearance can be improved with the cover body which covers the airbag folded long and thin. When the surrounding temperature changes or the airbag is inflated and deployed, the cover body can be protected by suppressing an excessive force from being applied to the portion of the attachment hole attached to another member.

以下、本発明のエアバッグのカバー体及びエアバッグ装置の一実施の形態を図面を参照して説明する。 DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, an embodiment of an airbag cover body and an airbag apparatus according to the invention will be described with reference to the drawings.

図２及び図３において、１はエアバッグ装置で、このエアバッグ装置１は、カーテンエアバッグあるいは側突用エアバッグなどとも呼ばれるエアバッグ２を備え、図２に示すように、通常時には、車両である自動車の車体３の車室４の収納位置としてのルーフサイド部５に配置され、図３に示すように、側面衝突の衝撃を受けた際や横転の際などに、乗員の側方に面状に展開し、被保護物である乗員を保護するようになっている。なお、以下の記載において、上下方向、前後方向などの方向は、車両の直進方向を基準とし、内側及び外側は、車室４から両側の外方に向かう方向を外側として説明する。すなわち、図１において、矢印Ｆ方向が前方向、矢印Ｂ方向が後方向となっている。 2 and 3, reference numeral 1 denotes an airbag device. The airbag device 1 includes an airbag 2 that is also called a curtain airbag or a side impact airbag. As shown in FIG. It is arranged on the roof side part 5 as a storage position of the compartment 4 of the car body 3 of the automobile, and as shown in FIG. It expands in a planar shape and protects the occupant who is the object to be protected. In the following description, the directions such as the vertical direction and the front-rear direction are described with reference to the straight traveling direction of the vehicle, and the inner side and the outer side are described as the directions outward from the passenger compartment 4 on the both sides. That is, in FIG. 1, the arrow F direction is the forward direction, and the arrow B direction is the backward direction.

そして、この自動車の車体３は、車室４内に乗員が着座可能な前席及び後席を備え、これら前席及び後席に対応して、それぞれ窓部を備えた図示しないドアが設けられている。また、車室４の両側には、前側から順に、Ａピラーとも呼ばれるフロントピラー、Ｂピラーとも呼ばれるセンターピラー、Ｃピラーとも呼ばれるリアピラーが設けられている。そして、これら窓部、ドア及び各ピラーにより、車室４の両側部に側部としての所定面14が構成されている。また、これらピラーの上側、すなわち窓部の一縁部である上縁部に、ルーフサイドレールなどとも呼ばれる被取付部材を構成する被取付面部としての車体パネル15が設けられ、この車体パネル15を介して天井部としての天井パネルが支持されている。また、両側のフロントピラーの前側にはフロントガラス(フロントウインドシールド)が設けられ、両側のリアピラーの後側にはリアガラスが設けられている。そして、収納位置としてのルーフサイド部５は、天井パネルの両側の縁部の部分から、この縁部といわば交差する方向に伸びるフロントピラーの一部あるいは全長、及び、必要に応じてリアピラーの一部あるいは全長にかかる部分に設定されている。 The vehicle body 3 includes a front seat and a rear seat in which a passenger can sit in a passenger compartment 4, and doors (not shown) each having a window portion are provided corresponding to the front seat and the rear seat. ing. Further, on both sides of the passenger compartment 4, a front pillar called A pillar, a center pillar called B pillar, and a rear pillar called C pillar are provided in order from the front side. These windows, doors, and each pillar constitute a predetermined surface 14 as a side portion on both sides of the passenger compartment 4. Further, on the upper side of these pillars, that is, on the upper edge portion which is one edge portion of the window portion, a vehicle body panel 15 is provided as a mounting surface portion constituting a mounting member also called a roof side rail. A ceiling panel as a ceiling portion is supported through the gap. A front glass (front windshield) is provided on the front side of the front pillars on both sides, and a rear glass is provided on the rear side of the rear pillars on both sides. The roof side portion 5 serving as a storage position is a part or the entire length of the front pillar extending from the edge portions on both sides of the ceiling panel in a direction intersecting with the edge portion, and if necessary, one of the rear pillars. It is set to the part which covers the part or the full length.

また、車体パネル15及び天井パネルの車室４側の一部は、各ピラーの一部とともに、軟質すなわち変形可能な天井板であり室内装飾パネルであるヘッドライニング(ルーフライニング)16により覆われている。そして、各ピラーの全長あるいは一部の車室４側には、それぞれ内装材である第１ないし第３のピラーガーニッシュが取り付けられ、これらピラーが覆われている。さらに、本実施の形態では、フロントピラーからルーフサイド部５を介してリアピラーに係る部分に、エアバッグ装置１を構成するカバー体である内装材としての樹脂製のガーニッシュ18が備えられている。 A part of the vehicle body panel 15 and the ceiling panel on the side of the passenger compartment 4 is covered with a headlining (roofing) 16 which is a soft or deformable ceiling plate and an interior decoration panel together with a part of each pillar. Yes. And the 1st thru | or 3rd pillar garnish which is an interior material is attached to the full length of each pillar or the one part compartment 4 side, respectively, and these pillars are covered. Further, in the present embodiment, a resin garnish 18 as an interior material, which is a cover body constituting the airbag device 1, is provided in a portion related to the rear pillar from the front pillar through the roof side portion 5.

すなわち、エアバッグ装置１は、カーテンエアバッグモジュールとも呼び得るもので、エアバッグ２及びガーニッシュ18に加え、エアバッグ２にガスを供給するガス発生器である図示しないインフレータ、エアバッグ装置１を車体パネル15に取り付ける単数あるいは複数の取付体を構成するブラケット26、これらブラケット26に取り付けられる単数あるいは複数の取付体を構成する取付部材27、及び固定具28などを備えてモジュールが構成され、車体パネル15に沿ってルーフサイド部５に配置されている。 In other words, the airbag device 1 can be called a curtain airbag module. In addition to the airbag 2 and the garnish 18, the airbag device 1 is a gas generator that supplies gas to the airbag 2, and the airbag device 1 is not shown. A module is configured by including a bracket 26 that constitutes one or a plurality of attachments attached to the panel 15, a mounting member 27 that constitutes one or a plurality of attachments attached to the brackets 26, a fixture 28, and the like. 15 is arranged on the roof side part 5 along the line 15.

そして、エアバッグ２は、各図においては模式的に示しているが、単数あるいは複数の基布を組み合わせ、例えば１枚の基布を折り返し、あるいは２枚の基布を重ねて接合して、扁平な袋状に形成されたエアバッグ本体部31と、このエアバッグ本体部31の複数カ所から延設された取付片部32となどを備え、所定の折り畳み方法で細長く折り畳まれ、図示しない筒状あるいはひも状などの形状保持部材により形状を保持されている。そして、このエアバッグ２は、前後の座席の乗員を保護可能な、長尺ないわゆる前後席用エアバッグであり、エアバッグ本体部31には、ガスが流入して膨張展開する袋状の膨張部と、エアバッグ本体部31の後端上部などに位置して膨張部を外部に連通するガス導入口となどが設けられている。また、エアバッグ２の取付片部32は、エアバッグ本体部31の上縁部に連続して複数形成されている。そして、各取付片部32は、エアバッグ本体部31を構成する基布部と一体に形成され、エアバッグ本体部31から舌片状に突設されているとともに、それぞれ円孔状をなす取付孔が形成されている。また、図示しないが、エアバッグ２の前端部には、エアバッグ２とフロントピラーの前端部近傍とを連結するテザーベルトが連結されている。 And although the airbag 2 is typically shown in each drawing, a single or a plurality of base fabrics are combined, for example, one base fabric is folded, or two base fabrics are overlapped and joined, A cylinder body (not shown) that includes an airbag main body portion 31 formed in a flat bag shape, attachment piece portions 32 extended from a plurality of locations of the airbag main body portion 31 and the like, and is folded into an elongated shape by a predetermined folding method. The shape is held by a shape holding member such as a shape or a string. The airbag 2 is a long so-called front / rear seat airbag that can protect the passengers in the front and rear seats. The airbag body 31 is inflated in a bag shape in which gas flows in and expands. And a gas introduction port that is located at the rear upper end of the airbag body 31 and communicates the inflating part to the outside. A plurality of attachment pieces 32 of the airbag 2 are continuously formed on the upper edge portion of the airbag body 31. Each attachment piece 32 is formed integrally with the base fabric portion constituting the airbag main body 31, protrudes in a tongue shape from the airbag main body 31, and has a circular hole shape. A hole is formed. Although not shown, a tether belt that connects the airbag 2 and the vicinity of the front end portion of the front pillar is connected to the front end portion of the airbag 2.

また、インフレータは、後席の後方あるいは上方に位置して収納された円柱状の本体部を備え、接続管を介してエアバッグ２のガス導入口に接続されている。 The inflator includes a columnar main body that is housed in a position behind or above the rear seat, and is connected to the gas inlet of the airbag 2 through a connecting pipe.

そして、ガーニッシュ18は、ルーフサイドガーニッシュとも呼び得るもので、弾性的に変形可能な合成樹脂にて一体に形成され、図１ないし図３に示すように、折り畳まれたエアバッグ２を覆うとともに車室４内に露出するカバー本体部としてのガーニッシュ本体部41と、このガーニッシュ本体部41の上縁部に一体に連結するガーニッシュ側取付部42とを備えている。 The garnish 18, which can be called a roof side garnish, is integrally formed of an elastically deformable synthetic resin and covers the folded airbag 2 as shown in FIGS. A garnish main body 41 serving as a cover main body exposed in the chamber 4 and a garnish side attaching portion 42 integrally connected to the upper edge of the garnish main body 41 are provided.

そして、ガーニッシュ本体部41は、ルーフサイド部５の形状に沿って、図１に示すように、長手方向に湾曲し、すなわち側面視で前後の端部が下方に下がるように湾曲するとともに、図２に示すように、断面形状については上下方向の中間部で外側に向かって滑らかに屈曲し、折り畳まれたエアバッグ２や車体パネル15などが車室４内に露出しないように覆っている。 Then, the garnish main body 41 is curved in the longitudinal direction along the shape of the roof side portion 5, as shown in FIG. 1, that is, the front and rear end portions are bent downward in a side view. As shown in FIG. 2, the cross-sectional shape is smoothly bent outward at an intermediate portion in the vertical direction so that the folded airbag 2, vehicle body panel 15, and the like are not exposed in the vehicle interior 4.

また、ガーニッシュ側取付部42は、カバー取付片部としての平板状のガーニッシュ取付片部43と、このガーニッシュ取付片部43とガーニッシュ本体部41とを連結する段部43aとを備え、ガーニッシュ取付片部43がガーニッシュ本体部41の上縁部よりも外側に位置するようになっている。そして、ガーニッシュ取付片部43は、本実施の形態では、ガーニッシュ本体部41の長手方向に複数の片部に分割され、一端部である前端部の近傍に位置する第１の取付片部44と、他端部である後端部の近傍に位置する第２の取付片部45と、これら第１の取付片部44と第２の取付片部45との間に位置する複数の第３の取付片部とを備えている。そして、第１の取付片部44には、ガーニッシュ本体部41の長手方向と交差する方向である上下方向を長手方向とする長孔状の第１取付孔47が形成されている。また、第２の取付片部45には、ガーニッシュ本体部41の長手方向に沿った方向である前後方向を長手方向とする長孔状の第２取付孔48が形成されている。さらに、各第３の取付片部46には、第２の取付片部45と同様に、ガーニッシュ本体部41の長手方向に沿った方向である前後方向を長手方向とする長孔状の第３取付孔49が形成されている。なお、ガーニッシュ本体部41が湾曲しているため、このガーニッシュ本体部41から突設された第１ないし第３の取付片部44，45，46も若干傾斜していわば放射状に配置されている。そして、これら第１ないし第３の取付片部44，45，46に形成された第１ないし第３取付孔47，48，49についても、これら第１ないし第３の取付片部44，45，46とともに、上下方向及び前後方向に対して、若干傾斜した状態で形成されている。 The garnish side attachment portion 42 includes a flat garnish attachment piece portion 43 as a cover attachment piece portion, and a step portion 43a that connects the garnish attachment piece portion 43 and the garnish main body portion 41. The portion 43 is positioned outside the upper edge portion of the garnish main body portion 41. In the present embodiment, the garnish attachment piece 43 is divided into a plurality of pieces in the longitudinal direction of the garnish main body 41, and a first attachment piece 44 located in the vicinity of the front end which is one end. The second attachment piece 45 located in the vicinity of the rear end which is the other end, and a plurality of third attachment pieces 45 located between the first attachment piece 44 and the second attachment piece 45 And an attachment piece. The first attachment piece 44 is formed with a first attachment hole 47 having a long hole shape whose longitudinal direction is the vertical direction, which is a direction intersecting the longitudinal direction of the garnish main body 41. The second mounting piece 45 is formed with a long-hole-shaped second mounting hole 48 whose longitudinal direction is the front-rear direction, which is the direction along the longitudinal direction of the garnish main body 41. Further, each of the third attachment pieces 46 has a long hole-like third shape whose longitudinal direction is the front-rear direction, which is the direction along the longitudinal direction of the garnish main body 41, similarly to the second attachment piece 45. A mounting hole 49 is formed. Since the garnish main body 41 is curved, the first to third attachment pieces 44, 45, and 46 projecting from the garnish main body 41 are also arranged radially so as to be slightly inclined. The first to third mounting pieces 44, 45, 46 formed in the first to third mounting pieces 44, 45, 46 also have the first to third mounting pieces 44, 45, Together with 46, it is formed in a slightly inclined state with respect to the vertical direction and the front-rear direction.

また、ブラケット26は、本実施の形態では３個の同形状のブラケット26が用いられている。そして、各ブラケット26は、金属製で、例えば鉄板をプレス加工して形成され、平板状をなすブラケット本体部51と、このブラケット本体部51の両端部に一体に連続するブラケット側取付部52とを備えている。そして、ブラケット本体部51には、図示しない複数の取付受部が所定の間隔で形成されている。各取付受部は、円孔状をなす保持受部と、この保持受部から上側の縁部まで連通する溝状の挿入部とを備えている。さらに、挿入部の溝の幅寸法は、上側の縁部に近い部分が大きく、保持受部に連通する部分で小さくなるように形成されている。また、ブラケット側取付部52は、平板状の固定部56と、この固定部56とブラケット本体部51とを一体に連結する傾斜したブラケット側連結部57とを備えている。そして、各固定部56には、円孔状の固定孔が形成されている。そして、各ブラケット26は、比較的剛性が大きく形成され、エアバッグ２の展開時にも変形しないように形成されている。 In the present embodiment, three brackets 26 having the same shape are used as the brackets 26. Each bracket 26 is made of metal, for example, formed by pressing an iron plate, and has a plate-like bracket body 51, and a bracket-side attachment 52 that is integrally continuous with both ends of the bracket body 51. It has. The bracket body 51 is formed with a plurality of attachment receiving portions (not shown) at a predetermined interval. Each attachment receiving portion includes a holding receiving portion having a circular hole shape and a groove-like insertion portion communicating from the holding receiving portion to the upper edge portion. Furthermore, the width dimension of the groove of the insertion portion is formed so that a portion close to the upper edge portion is large and a portion communicating with the holding receiving portion is small. Further, the bracket side mounting portion 52 includes a flat plate-like fixing portion 56 and an inclined bracket side connecting portion 57 that connects the fixing portion 56 and the bracket main body portion 51 together. Each fixing portion 56 is formed with a circular fixing hole. Each bracket 26 is formed to have a relatively large rigidity so as not to be deformed even when the airbag 2 is deployed.

さらに、取付部材27は、本実施の形態では３個の同形状の取付部材27が用いられている。そして、各取付部材27は、一体ヒンジなどとも呼び得るもので、金属製で例えば鉄板をプレス加工して一体に形成された取付部材本体部61と、この取付部材本体部61に圧入あるいは溶接などして固定された単数あるいは複数、例えば３個の図示しない組付ピンとを備えている。そして、取付部材本体部61は、平板状の支持部63と、この支持部63の上縁部の単数あるいは複数カ所、本実施の形態では３カ所から一体に突設された連結部64と、各連結部64の先端から延設された平板状の取付部基板部65とを備えている。そして、支持部63には、所定の位置に円孔状の固定受部66が複数形成されている。また、連結部64は、滑らかな曲面状をなして外側下方に向かって断面略Ｕ字状に湾曲し、取付部基板部65が支持部63と所定の間隔を介して互いに平行に対向するように形成されている。さらに、取付部基板部65には、図示しない円孔状の固着部が形成され、それぞれ組付ピンの軸部が固定されている。また、各組付ピン62は、例えば金属製で、円柱状の軸部と、この軸部の一端部である基端部に形成された軸部より径寸法の大きい例えば前後方向を長手方向とする平面楕円状の頭部とを備えているとともに、軸部の他端部である先端部は、平面状に形成されている。そして、各組付ピン62は、軸部を外側から取付部基板部65の固着部に圧入し、この軸部の中間位置を嵌合あるいは溶接などにより取付部基板部65に固着して取り付けられている。そして、これら取付部材本体部61の取付部基板部65と組付ピンとにより、それぞれ取付部が構成されている。そして、この取付部については、取付部基板部65と組付ピンの頭部とが所定の間隔で離間して平行に対向している。さらに、各組付ピンの軸部の先端部は、取付部材本体部61の支持部63に対向し、離間可能に当接した状態となっている。さらに、各組付ピンの軸部の径寸法は、ブラケット26の取付受部の挿入部の幅寸法が最も小さい部分より若干大きく形成されている。なお、各取付部基板部65と、支持部63の固定受部66とは、前後方向すなわち取付部材27の長手方向に沿って位置をずらし、互いに対向しない位置に形成されている。そして、各取付部材本体部61は、各ブラケット26に比べて、比較的剛性が小さく形成され、エアバッグ２の展開時には塑性変形するように形成されている。すなわち、取付部材27の取付部材本体部61は、少なくとも連結部64の部分が、エアバッグ２の展開時の力を受けて塑性変形可能となっている。 Furthermore, as the mounting member 27, three mounting members 27 having the same shape are used in the present embodiment. Each attachment member 27 can also be called an integral hinge or the like, and is made of metal, for example, an attachment member main body 61 formed integrally by pressing an iron plate, and press fitting or welding to the attachment member main body 61. One or a plurality of, for example, three assembly pins (not shown) are provided. The mounting member main body 61 includes a flat plate-like support portion 63, one or a plurality of upper edge portions of the support portion 63, and in this embodiment, a connecting portion 64 that is integrally projected from three locations, And a flat plate-like mounting portion substrate portion 65 extending from the tip of each connecting portion 64. The support portion 63 is formed with a plurality of circular hole-shaped fixed receiving portions 66 at predetermined positions. Further, the connecting portion 64 has a smooth curved surface and is curved in a substantially U-shaped cross section toward the outer lower side so that the mounting portion substrate portion 65 faces the support portion 63 in parallel with each other with a predetermined interval. Is formed. Furthermore, a circular hole-shaped fixing portion (not shown) is formed in the mounting portion substrate portion 65, and the shaft portion of the assembly pin is fixed to each of the mounting portion substrate portion 65. Each assembly pin 62 is made of, for example, metal, and has a columnar shaft portion and a longitudinal direction having a larger diameter than the shaft portion formed at the base end portion which is one end portion of the shaft portion. And a tip end portion which is the other end portion of the shaft portion is formed in a planar shape. Each assembly pin 62 is attached by pressing the shaft portion from the outside to the fixing portion of the mounting portion substrate portion 65, and fixing the intermediate position of the shaft portion to the mounting portion substrate portion 65 by fitting or welding. ing. And the attachment part is comprised by the attachment part board | substrate part 65 and the assembly | attachment pin of these attachment member main-body parts 61, respectively. And about this attachment part, the attachment part board | substrate part 65 and the head part of an assembly | attachment pin are spaced apart at predetermined intervals, and are facing in parallel. Furthermore, the tip of the shaft portion of each assembly pin faces the support portion 63 of the attachment member main body portion 61 and is in contact with the support member 63 so as to be separable. Furthermore, the diameter dimension of the shaft portion of each assembly pin is formed slightly larger than the portion where the width dimension of the insertion portion of the attachment receiving portion of the bracket 26 is the smallest. Each attachment portion substrate portion 65 and the fixed receiving portion 66 of the support portion 63 are formed at positions that are not opposed to each other with their positions shifted along the front-rear direction, that is, the longitudinal direction of the attachment member 27. Each attachment member main body 61 is formed so as to be relatively less rigid than each bracket 26, and is formed to be plastically deformed when the airbag 2 is deployed. That is, at least the portion of the connecting portion 64 of the mounting member main body 61 of the mounting member 27 can be plastically deformed by receiving a force when the airbag 2 is deployed.

また、固定具28は、取付部材27にガーニッシュ18及びエアバッグ２を取り付けるもので、本実施の形態では、金属製のビス71と、このビス71に嵌合される樹脂製のブッシュ72とを備えている。すなわち、ビス71は、ねじ山を有し取付部材27の固定受部66にセルフタッピングなどして固定される軸部71aと、この軸部71aの基端部に位置し軸部71aより径寸法の大きい頭部71bとを有している。また、ブッシュ72は、ビス71の軸部71aの外周に嵌合しかつガーニッシュ18の各取付孔47，48，49に挿入される円筒状の胴部72aと、この胴部72aの基端部から外周側に突設されビス71の頭部71bに係止されるフランジ部72bとを備えている。 The fixing tool 28 is for attaching the garnish 18 and the airbag 2 to the mounting member 27. In this embodiment, the fixing tool 28 includes a metal screw 71 and a resin bush 72 fitted to the screw 71. I have. That is, the screw 71 has a screw thread and has a shaft portion 71a that is fixed to the fixed receiving portion 66 of the mounting member 27 by self-tapping and the like. And a large head 71b. The bush 72 includes a cylindrical body 72a that fits on the outer periphery of the shaft 71a of the screw 71 and is inserted into the mounting holes 47, 48, and 49 of the garnish 18, and a base end of the body 72a. And a flange portion 72b that protrudes from the outer periphery to the head 71b of the screw 71.

次に、このエアバッグ装置１の組立動作及び車両への取付動作を説明する。 Next, the assembly operation of the airbag device 1 and the attachment operation to the vehicle will be described.

まず、予め折り畳まれたエアバッグ２及びガーニッシュ18を、取付部材27に取り付ける。この作業は、取付部材27の支持部63の車室４側の面に、エアバッグ２の取付片部32とガーニッシュ18のガーニッシュ取付片部43とを重ね、これら取付片部32の取付孔とガーニッシュ取付片部43の各取付孔47，48，49とを互いに位置合わせして、これら取付孔47，48，49に固定具28すなわちブッシュ72を取り付けたビス71を挿入し、このビス71を取付部材27の固定受部66にセルフタッピングなどして固定ことにより完了する。すなわち、この状態で、ビス71の頭部71bすなわちブッシュ72のフランジ部72bと取付部材27の支持部63との間に、エアバッグ２の取付片部32とガーニッシュ18のガーニッシュ取付片部43とが挟持されて固定される。また、各取付孔47，48，49は、長孔であるため、これら固定された部分について、各取付孔47，48，49の長手方向に沿って、取付部材27とガーニッシュ18とが相対的に移動可能となっている。また、前端部近傍に位置する第１取付孔47に挿入された固定具28は、基準位置として設定された固定受部66に固定する。 First, the airbag 2 and the garnish 18 folded in advance are attached to the attachment member 27. In this operation, the mounting piece portion 32 of the airbag 2 and the garnish mounting piece portion 43 of the garnish 18 are overlapped on the surface of the support portion 63 of the mounting member 27 on the vehicle compartment 4 side, The mounting holes 47, 48, 49 of the garnish mounting piece 43 are aligned with each other, and a screw 71 with a fixing tool 28, that is, a bush 72 is inserted into these mounting holes 47, 48, 49. This is completed by fixing the fixing member 66 of the mounting member 27 by self-tapping or the like. That is, in this state, the mounting piece 32 of the airbag 2 and the garnish mounting piece 43 of the garnish 18 are disposed between the head 71 b of the screw 71, that is, the flange 72 b of the bush 72 and the support 63 of the mounting member 27. Is clamped and fixed. Further, since each mounting hole 47, 48, 49 is a long hole, the mounting member 27 and the garnish 18 are relative to each other in the fixed direction along the longitudinal direction of each mounting hole 47, 48, 49. It is possible to move to. Further, the fixture 28 inserted into the first mounting hole 47 located in the vicinity of the front end portion is fixed to the fixed receiving portion 66 set as the reference position.

そして、この状態で、エアバッグ２、ガーニッシュ18、及び取付部材27が互いに組み合わされたユニットが構成される。また、この状態で、ガーニッシュ18のガーニッシュ本体部41の外面すなわち車室４から見た背面側に沿って、エアバッグ２が保持される。 In this state, a unit in which the airbag 2, the garnish 18, and the attachment member 27 are combined with each other is configured. Further, in this state, the airbag 2 is held along the outer surface of the garnish main body 41 of the garnish 18, that is, along the back side as viewed from the passenger compartment 4.

また、ブラケット26は、図示しないビスあるいはリベットなどの固着具を固定孔に挿入して車体パネル15に固定するなどして、予め車体に取り付けておく。 The bracket 26 is attached to the vehicle body in advance by inserting a fixing tool such as a screw or rivet (not shown) into the fixing hole and fixing the bracket 26 to the vehicle body panel 15.

次いで、エアバッグ２、ガーニッシュ18、及び取付部材27を互いに組み合わせたユニットを、ブラケット26に取り付ける。この作業は、取付部材27の各取付部を、それぞれブラケット26の各取付受部に圧入して係合することにより完了する。すなわち、取付部材27の取付部の軸部を、上方から、取付受部の挿入部を介して保持受部に圧入する。軸部は、上側すなわち縁部から下側すなわち保持受部側に向かって幅寸法が小さくなる挿入部に案内され、円滑に挿入されるとともに、保持受部に挿入された状態では、挿入部の幅寸法の小さい部分に係合して抜け止めされる。さらに、この状態で、ブラケット26の保持受部の周辺の部分が、取付部の取付部基板部65と組付ピンの頭部との間に挟持され、強固に固定されるようになっている。 Next, a unit in which the airbag 2, the garnish 18, and the attachment member 27 are combined with each other is attached to the bracket 26. This operation is completed by press-fitting and engaging each attachment portion of the attachment member 27 with each attachment receiving portion of the bracket 26, respectively. That is, the shaft portion of the attachment portion of the attachment member 27 is press-fitted into the holding reception portion from above via the insertion portion of the attachment reception portion. The shaft portion is guided by the insertion portion whose width dimension is reduced from the upper side, that is, the edge portion toward the lower side, that is, the holding receiving portion, and is smoothly inserted. It engages with a portion having a small width dimension and is prevented from coming off. Furthermore, in this state, the peripheral portion of the holding receiving portion of the bracket 26 is sandwiched between the mounting portion substrate portion 65 of the mounting portion and the head of the assembly pin, and is firmly fixed. .

そして、このユニットのブラケット26への取付作業の前後いずれかに、インフレータの接続管をエアバッグ２に接続するとともに、インフレータを車体３側に備えた制御装置に電気的に接続することにより、エアバッグ装置１の車体３への取付作業が完了する。 Then, before or after attaching the unit to the bracket 26, the connecting pipe of the inflator is connected to the airbag 2 and the inflator is electrically connected to a control device provided on the vehicle body 3 side, thereby The work of attaching the bag device 1 to the vehicle body 3 is completed.

なお、このエアバッグ装置１及びヘッドライニング16を車体３へ取り付けた状態では、ガーニッシュ18のガーニッシュ側取付部42は、ヘッドライニング16により覆われて車室４側に露出しないとともに、ヘッドライニング16の面とガーニッシュ本体部41の面とがほぼ面一に連続するようになっている。 When the airbag device 1 and the head lining 16 are attached to the vehicle body 3, the garnish side attachment portion 42 of the garnish 18 is covered with the head lining 16 and is not exposed to the vehicle compartment 4 side. The surface and the surface of the garnish main body portion 41 are substantially flush with each other.

次に、エアバッグ２の展開動作を説明する。 Next, the deployment operation of the airbag 2 will be described.

車両の側面衝突あるいは横転などの際には、制御装置によりインフレータが作動し、このインフレータから噴射されるガスが接続管を介しガス導入口からエアバッグ本体部31内の膨張部に導入される。すると、エアバッグ本体部31の膨張部は、図３に示すように、ガーニッシュ18を押しのけながら膨張展開し、所定面14に沿った所定方向である略下方に迅速にカーテン状に膨張展開して、窓部及びセンターピラーなどを覆い、乗員とセンターピラーなどとの衝突の衝撃を緩和するとともに、乗員の車外放出を防止して保護する。 In the event of a side collision or rollover of the vehicle, the inflator is actuated by the control device, and the gas injected from the inflator is introduced into the inflating portion in the airbag main body 31 from the gas inlet through the connecting pipe. Then, as shown in FIG. 3, the inflating portion of the airbag main body 31 inflates and deploys while pushing away the garnish 18, and quickly inflates and deploys in a curtain shape in a predetermined direction along the predetermined surface 14. Covering the window and center pillar, etc., to mitigate the impact of collision between the occupant and the center pillar, and to prevent and protect the occupant from being released from the vehicle.

このエアバッグ２の膨張展開の際、樹脂製のガーニッシュ18が弾性的に変形するとともに、取付部材27の鉄板製の連結部64が塑性変形してガーニッシュ18を移動させ、エアバッグ２を円滑に展開させる。 When the airbag 2 is inflated and deployed, the resin garnish 18 is elastically deformed and the iron plate connecting portion 64 of the mounting member 27 is plastically deformed to move the garnish 18 so that the airbag 2 can be smoothly moved. Expand.

そして、本実施の形態によれば、細長く折り畳まれた状態からガスが導入されて膨張展開する長尺なエアバッグ２を備えたいわゆるサイドエアバッグ装置について、通常時はガーニッシュ18のガーニッシュ本体部41でエアバッグ２を覆い、エアバッグ２を保護できるとともに外観を向上できる。 According to the present embodiment, the garnish main body 41 of the garnish 18 is normally used for the so-called side airbag apparatus including the long airbag 2 that is inflated and deployed when gas is introduced from a state of being elongated and folded. Thus, the airbag 2 can be covered to protect the airbag 2 and improve the appearance.

そして、複数の取付孔47，48，49に挿入される固定具28により、エアバッグ２及びガーニッシュ18を車体３側に強固に取り付けでき、特に、第２及び第３の取付孔48，49は前後方向を長手方向する長孔であるため、ガーニッシュ18の上下方向の位置を規制し、いわば建て付け剛性を向上して、エアバッグ２の非展開時すなわち通常時には、ガーニッシュ18の垂れ下がりを防止できる。 The airbag 2 and the garnish 18 can be firmly attached to the vehicle body 3 side by the fixture 28 inserted into the plurality of attachment holes 47, 48, 49. In particular, the second and third attachment holes 48, 49 are Since it is a long hole extending in the longitudinal direction, the vertical position of the garnish 18 can be restricted, so that the built-in rigidity can be improved, and the garnish 18 can be prevented from drooping when the airbag 2 is not deployed, that is, normally. .

また、車両の車室４は温度変化が大きく、周囲の温度変化に伴い、長手方向の寸法が大きい樹脂製のガーニッシュ18のガーニッシュ本体部41が伸縮する。ここで、第２及び第３の取付孔48，49は前後方向を長手方向する長孔とするいわばフローティング構造としたため、ガーニッシュ18の長手方向に沿った伸縮を、主として第２及び第３取付孔48，49で吸収し、さらにねじれるような変形は第１取付孔47で吸収して、他の部材すなわち取付部材27に取り付けられる取付孔47，48，49の部分に過大な力が加わることを抑制し、白化などを抑制して、車両の内装材であり外観が重要なガーニッシュ18を外観良く保護できる。 The vehicle compartment 4 of the vehicle has a large temperature change, and the garnish main body 41 of the resin garnish 18 having a large longitudinal dimension expands and contracts with a change in ambient temperature. Here, since the second and third mounting holes 48 and 49 are so-called floating structures in which the longitudinal direction is a long hole, the expansion and contraction along the longitudinal direction of the garnish 18 is mainly performed in the second and third mounting holes. The deformation that is absorbed by 48 and 49 and further twisted is absorbed by the first mounting hole 47, and an excessive force is applied to the mounting holes 47, 48, and 49 attached to the other member, that is, the mounting member 27. It is possible to suppress, whitening and the like, and to protect the garnish 18 which is an interior material of a vehicle and whose appearance is important, with good appearance.

また、エアバッグ２が膨張展開する際は、エアバッグ２に押圧されたガーニッシュ18が回動するように変形し、エアバッグ２の膨張展開を許容するが、回動するガーニッシュ18には、図１に２点鎖線で示すように、湾曲した状態から直線状に伸びようとする挙動が生じる。ここで、取付孔47，48，49を長孔状とし、特に、第１取付孔47は上下方向を長手方向とする長孔とするいわばフローティング構造としたため、ガーニッシュ18が上方に向かう力を吸収し、他の部材すなわち取付部材27に取り付けられる取付孔47，48，49の部分に応力が集中して過大な力が加わることを抑制し、ガーニッシュ18を保護できる。このため、車両の側面のルーフサイド部５が大きく湾曲する車種についても、前後方向に一体に連続するガーニッシュ18を備えることができ、外観を向上できる。 Further, when the airbag 2 is inflated and deployed, the garnish 18 pressed by the airbag 2 is deformed so as to rotate, and the airbag 2 is allowed to be inflated and deployed. As indicated by a two-dot chain line in FIG. 1, a behavior that tries to extend linearly from a curved state occurs. Here, the mounting holes 47, 48, 49 are formed into long holes, and in particular, the first mounting hole 47 has a so-called floating structure in which the vertical direction is the longitudinal direction, so that the garnish 18 absorbs the upward force. In addition, the garnish 18 can be protected by suppressing the stress from being concentrated on other members, that is, the portions of the mounting holes 47, 48, and 49 attached to the mounting member 27 and applying an excessive force. For this reason, the vehicle type in which the roof side portion 5 on the side surface of the vehicle is greatly curved can be provided with the garnish 18 that is integrally continuous in the front-rear direction, and the appearance can be improved.

そして、ガーニッシュ本体部41の前端部近傍に位置する第１の取付片部44の第１取付孔47は、ガーニッシュ本体部41の長手方向に沿った方向を長手方向とせず、ガーニッシュ本体部41の長手方向に交差する方向を長手方向とし、固定具28を用いて、基準位置として設定された固定受部66に固定することにより、いわばガーニッシュ18を後方に伸縮させることにより、特に、外観上重要な前端部での位置合わせを容易にして、長手寸法の大きいガーニッシュ18を正確な位置で車体３に取り付けて、外観を向上できる。 And the 1st attachment hole 47 of the 1st attachment piece part 44 located in the front-end part vicinity of the garnish main-body part 41 does not make the direction along the longitudinal direction of the garnish main-body part 41 into a longitudinal direction, but the garnish main-body part 41 of FIG. The direction that intersects the longitudinal direction is taken as the longitudinal direction, and is fixed to the fixed receiving portion 66 that is set as the reference position by using the fixture 28. This makes it easy to align the front end, and attaches the garnish 18 having a large longitudinal dimension to the vehicle body 3 at an accurate position, thereby improving the appearance.

このようにして、ガーニッシュ18を、温度変化により加わる力及び変形時に加わる力から保護し、車両の車室４の側部に配置される長手寸法の大きいガーニッシュ18を備えたいわゆるカーテンエアバッグであるエアバッグ装置１に適した構成を提供できる。 In this way, the garnish 18 is a so-called curtain airbag provided with the garnish 18 having a large longitudinal dimension that is disposed on the side portion of the vehicle compartment 4 to protect the garnish 18 from the force applied by temperature change and the force applied during deformation. A configuration suitable for the airbag device 1 can be provided.

また、本実施の形態では、いわばエアバッグモジュールとルーフサイドガーニッシュを一体化し、エアバッグ２、ガーニッシュ18、及び取付部材27を一体的に組み合わせてモジュールを構成し、これらエアバッグ２とガーニッシュ18とを支持する取付部材27の取付部69を、車体３に固定したブラケット26の取付受部に係合し、いわばワンタッチで取り付けできるため、細長く折り畳んだ長尺なエアバッグ２を備えたエアバッグ装置１の車両への組み付け作業性を向上して設置作業を容易にでき、作業時間を短縮し、あるいはロボットを用いた作業が可能になり、エアバッグ装置１の車体３への取付作業のコストを低減できる。 In the present embodiment, the air bag module and the roof side garnish are integrated, and the air bag 2, the garnish 18, and the mounting member 27 are integrally combined to form a module. Since the attachment portion 69 of the attachment member 27 that supports the vehicle is engaged with the attachment receiving portion of the bracket 26 fixed to the vehicle body 3 and can be attached with a single touch, the airbag device having the long airbag 2 that is folded long and narrow Assembling workability to the vehicle 1 can be improved, installation work can be facilitated, work time can be shortened, or work using a robot can be performed, and the cost of the work of attaching the airbag device 1 to the vehicle body 3 can be reduced. Can be reduced.

また、取付部材27には、ガーニッシュ18を支持する支持部63と、ブラケット26を介して車体３側に固定される取付部を設けるとともに、これら支持部63と取付部69とを塑性変形可能な金属製の連結部64を介して連結し、すなわち、車体３側に対して塑性変形可能な金属製の断面略Ｕ字状のヒンジである連結部64を介してガーニッシュ18を支持する構造としたため、エアバッグ２の展開時に、エアバッグ２がガーニッシュ18を押動すると、連結部64が塑性変形して、ガーニッシュ18が開く方向の移動を許容し、エアバッグ２を円滑に展開できる。ここで、取付部材27の連結部64は、塑性変形可能な金属製としたため、樹脂製の構成に比べて、温度変化に伴う特性の変化が小さく、すなわち、高温時にも軟化せずにヒンジ機能を維持でき、通常時にはガーニッシュ18がエアバッグ２を外観良く安定して覆うとともにエアバッグの展開時にはガーニッシュ18が適切な速度で適切な寸法だけ移動する好ましい特性が容易に実現される。 The attachment member 27 is provided with a support portion 63 that supports the garnish 18, and an attachment portion that is fixed to the vehicle body 3 via the bracket 26, and the support portion 63 and the attachment portion 69 can be plastically deformed. The structure is such that the garnish 18 is supported via the connecting portion 64 which is a metal U-shaped hinge that is plastically deformable with respect to the vehicle body 3 side. When the airbag 2 is deployed, if the airbag 2 pushes the garnish 18, the connecting portion 64 is plastically deformed, allowing movement in the direction in which the garnish 18 is opened, and the airbag 2 can be deployed smoothly. Here, since the connecting portion 64 of the mounting member 27 is made of a plastically deformable metal, the change in characteristics due to a temperature change is small compared to the resin configuration, that is, the hinge function without being softened even at high temperatures. The garnish 18 normally stably covers the airbag 2 with a good appearance, and at the time of deployment of the airbag, a desirable characteristic that the garnish 18 moves by an appropriate dimension at an appropriate speed is easily realized.

そして、ガーニッシュ18を支持する支持部63は、ガーニッシュ18の長手方向に沿って配置されるとともに、連結部64は、取付部材27を構成する取付部材本体部61の支持部63と取付部基板部65とに一体に連続して形成されたため、簡略な構成で、通常時にはガーニッシュ18がエアバッグ２を外観良く安定して覆うとともにエアバッグ２の展開時にはガーニッシュ18が円滑に移動する好ましい特性を容易に実現できる。さらに、連結部64は、支持部63から複数突設したため、連結部64の幅寸法の設定などによりガーニッシュ18の挙動の調整も容易であり、エアバッグ装置の製造コストを低減できる。 The support portion 63 that supports the garnish 18 is disposed along the longitudinal direction of the garnish 18, and the connection portion 64 includes the support portion 63 of the attachment member main body portion 61 that constitutes the attachment member 27, and the attachment portion substrate portion. Since the garnish 18 has a simple structure, the garnish 18 normally covers the airbag 2 with good appearance and stability, and the garnish 18 moves smoothly when the airbag 2 is deployed. Can be realized. Further, since a plurality of the connecting portions 64 protrude from the support portion 63, the behavior of the garnish 18 can be easily adjusted by setting the width dimension of the connecting portion 64, and the manufacturing cost of the airbag device can be reduced.

また、ガーニッシュ18は、樹脂にて形成したため、鉄板などで形成する構成に比べ、内装材として適した外観や衝撃吸収特性などの特性を容易に実現できる。そして、塑性変形可能な金属製の複数の連結部64で、軽量で弾性変形する樹脂製のガーニッシュ18を支持することにより、ガーニッシュ18を長手方向に沿って均一に展開させ、すなわち、各部位での展開の時間差を小さくすることができる。 Further, since the garnish 18 is formed of resin, characteristics such as appearance and shock absorption characteristics suitable as an interior material can be easily realized as compared with a structure formed of an iron plate or the like. Then, by supporting the resin garnish 18 that is light and elastically deformed with a plurality of plastically deformable metal connecting portions 64, the garnish 18 is uniformly deployed along the longitudinal direction, that is, at each part. It is possible to reduce the time difference of development of

このようにして、細長く折り畳んだ長尺なエアバッグ２を備えるとともに、このエアバッグ２を内装材であるガーニッシュ18で覆ったカーテンエアバッグについて、製造コストを低減できるとともに、展開特性を容易に良好にできる。 In this way, the curtain airbag having the long airbag 2 that is folded into a long and thin shape and covered with the garnish 18 that is the interior material can reduce the manufacturing cost and easily has good deployment characteristics. Can be.

なお、上記の実施の形態では、ガーニッシュ取付片部43は、複数の片部44，45，46に分割したが、ガーニッシュ本体部41の長手方向に一体に連続して形成することもできる。 In the above embodiment, the garnish attaching piece 43 is divided into a plurality of pieces 44, 45, 46, but may be formed integrally and continuously in the longitudinal direction of the garnish main body 41.

また、上記の実施の形態では、取付部材27を係合によりブラケット26に取り付けたが、この構成に限られず、溶接やボルトなどにより固定することもできる。また、ブラケット26は、車体パネル15に一体的に構成することもできる。 In the above embodiment, the attachment member 27 is attached to the bracket 26 by engagement. However, the present invention is not limited to this configuration, and the attachment member 27 can be fixed by welding, bolts, or the like. Further, the bracket 26 can be configured integrally with the vehicle body panel 15.

また、第２及び第３取付孔48，49について、長孔の長さ寸法は互いに一定とすることもでき、あるいは、ガーニッシュ本体部41の長手方向の後端部に近づく程、長さ寸法を大きくすることもできる。 Further, the length dimension of the long holes of the second and third mounting holes 48 and 49 can be made constant with each other, or the length dimension is made closer to the rear end in the longitudinal direction of the garnish main body 41. It can also be enlarged.

また、第３取付孔49については、長孔とせず、円孔とすることもできる。 Further, the third attachment hole 49 may be a circular hole instead of a long hole.

また、上記の実施の形態では、ガーニッシュ18は、全長にわたり一体に形成したが、長手方向などに分割して形成することもできる。 In the above embodiment, the garnish 18 is integrally formed over the entire length, but may be formed by being divided in the longitudinal direction or the like.

さらに、取付部材27あるいはブラケット26に、付属品としてのアシストグリップを取り付け、いわばエアバッグモジュールとアシストグリップとを一体的に備えることもできる。 Furthermore, an assist grip as an accessory can be attached to the attachment member 27 or the bracket 26, so to speak, an airbag module and an assist grip can be integrally provided.

また、エアバッグ２の取付片部32は、取付部材27の支持部63側に取り付ける他、取付部すなわち取付部基板部65側に取り付けることもできる。 Further, the attachment piece 32 of the airbag 2 can be attached to the attachment portion, that is, the attachment portion substrate portion 65 side in addition to being attached to the support portion 63 side of the attachment member 27.

また、エアバッグ２は、上側から下側に向かって展開して自動車の側方の窓部を覆う構成に限られず、所定面に沿って面状に膨張展開する必要がある適宜のエアバッグ装置に適用できる。 Further, the airbag 2 is not limited to a configuration in which the airbag 2 is deployed from the upper side to the lower side and covers the side window portion of the automobile, and an appropriate airbag device that needs to be inflated and deployed in a planar shape along a predetermined surface. Applicable to.

本発明は、例えば、自動車の側部の窓部に沿って展開するカーテンエアバッグ装置と呼ばれるエアバッグ装置に適用できる。 The present invention can be applied to, for example, an airbag apparatus called a curtain airbag apparatus that is deployed along a side window of an automobile.

本発明のエアバッグ装置の一実施の形態を示す一部の側面図である。It is a partial side view which shows one Embodiment of the airbag apparatus of this invention. 同上エアバッグ装置の一部の断面図である。It is sectional drawing of a part of airbag apparatus same as the above. 同上エアバッグ装置の展開状態を示す一部の断面図である。It is a partial sectional view showing a deployment state of an airbag device same as the above.

Explanation of symbols

１エアバッグ装置
２エアバッグ
３車体
４車室
14 側部としての所定面
18 カバー体としてのガーニッシュ
26 取付体を構成するブラケット
27 取付体を構成する取付部材
28 固定具
41 カバー本体部としてのガーニッシュ本体部
43 カバー取付片部としてのガーニッシュ取付片部
47 第１取付孔
48 第２取付孔
49 第３取付孔
56 固定部
63 支持部
64 連結部
66 固定受部 DESCRIPTION OF SYMBOLS 1 Airbag apparatus 2 Airbag 3 Car body 4 Car compartment
14 Predetermined surface as side
18 Garnish as a cover
26 Brackets that make up the mounting body
27 Mounting members constituting the mounting body
28 Fixing
41 Garnish body as cover body
43 Garnish attachment piece as cover attachment piece
47 1st mounting hole
48 2nd mounting hole
49 3rd mounting hole
56 Fixed part
63 Support
64 Connection
66 Fixed receiving part

Claims

An airbag cover body that covers an airbag that is inflated and deployed by introducing gas from an elongated folded state,
A cover main body that covers the airbag in a folded state along the longitudinal direction and is curved in the longitudinal direction along the shape in which the airbag is disposed;
A cover attachment piece provided along at least the vicinity of both ends of the cover main body,
A first mounting hole which is provided in the cover mounting piece portion in the vicinity of one end portion of the cover main body portion and is a long hole whose longitudinal direction is a direction along the direction intersecting the longitudinal direction of the cover main body portion; ,
A second mounting hole that is provided in the cover mounting piece portion and is located in the vicinity of the other end of the cover main body portion, and is a long hole whose longitudinal direction is along the longitudinal direction of the cover main body portion. An airbag cover body characterized by that.

The cover mounting piece is provided with a third mounting hole that is located between the first mounting hole and the second mounting hole and is a long hole whose longitudinal direction is along the longitudinal direction of the cover body. The airbag cover body according to claim 1, wherein:

An airbag that is inflated and deployed by introducing gas from an elongated folded state;
The cover body according to claim 1 or 2, which covers the airbag,
A fixture inserted into each mounting hole of the cover body;
An airbag device comprising: an attachment body including a fixing receiving portion to which the airbag is attached and a fixture inserted into each attachment hole of the cover body is fixed.

The cover body is an interior material of the vehicle, the mounting body is disposed on a side portion of the vehicle compartment, and the airbag is deployed along the side portion of the vehicle compartment. Airbag device.

The first mounting hole is formed with a vertical direction as a longitudinal direction, and the fixture inserted into the first mounting hole is fixed to a fixed receiving portion set as a reference position. Airbag device.

The mounting body includes a fixing portion fixed to the vehicle body, a supporting portion provided with a fixing receiving portion, and a plastically deformable metal connecting portion that connects the fixing portion and the supporting portion. The airbag device according to claim 4 or 5.