JPH10264761A - Air bag device - Google Patents
Air bag deviceInfo
- Publication number
- JPH10264761A JPH10264761A JP9072445A JP7244597A JPH10264761A JP H10264761 A JPH10264761 A JP H10264761A JP 9072445 A JP9072445 A JP 9072445A JP 7244597 A JP7244597 A JP 7244597A JP H10264761 A JPH10264761 A JP H10264761A
- Authority
- JP
- Japan
- Prior art keywords
- occupant
- vehicle
- airbag
- seat
- upper body
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R2021/23153—Inflatable members characterised by their shape, construction or spatial configuration specially adapted for rear seat passengers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/232—Curtain-type airbags deploying mainly in a vertical direction from their top edge
Landscapes
- Air Bags (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は車両の衝突時におけ
るエアバッグ装置に関する。The present invention relates to an airbag device at the time of a vehicle collision.
【０００２】[0002]
【従来の技術】周知のように、車両の衝突によって生じ
る衝突荷重により、乗員が上記車両のフロントガラス，
インストルメントパネルに衝突して衝撃をうけるのを防
止したり、或いは上記車両の後席シートの着座者が前席
シート側に傾倒するのを防止して上記衝突エネルギを吸
収するためのエアバッグ装置が種々提案されている。2. Description of the Related Art As is well known, an occupant receives a collision load caused by a collision of a vehicle so that an occupant can take a windshield of the vehicle.
An airbag device for absorbing impact by preventing collision with an instrument panel to receive an impact, or preventing a occupant of a rear seat of the vehicle from leaning to the front seat side. Have been proposed.
【０００３】例えば、上記車両の後席乗員に対する後席
シート用のエアバッグ装置０２は、図４に示したように
前席シート０１のシートバック０１ｂの後方上側に配設
され、上記車両の衝突時に、エアバッグ装置０２のエア
バッグ袋体０２ａが膨張展開し、後席シート０２８のシ
ートクッション０２８ａに着座した乗員の上体部と上記
のシートバック０１ｂの後側側との間で、エアバッグ袋
体０２ａがはさまれるように膨張展開して、後席乗員を
保護するように構成されている。For example, as shown in FIG. 4, an airbag device 02 for a rear seat for a rear occupant of the vehicle is disposed above a rear side of a seat back 01b of the front seat 01, and the collision of the vehicle occurs. Occasionally, the airbag bag body 02a of the airbag device 02 is inflated and deployed, and the airbag between the upper body of the occupant seated on the seat cushion 028a of the rear seat 028 and the rear side of the seat back 01b. The bag 02a is configured to be inflated and deployed so as to be sandwiched between the bag 02a and the rear seat occupant.
【０００４】尚、上記の後席シートクッション０２８ａ
は、リクライニング機構付きシートバック０２８ｂが設
けられている。又、上記エアバッグ装置０２を上記車両
のルーフ部材に配設されるものとしては、例えば特開平
６─８００５７号公報がある。上記の特開平６─８００
５７号公報記載の技術は、図５，図６に示したように第
１エアバッグユニット０４のエアバッグ袋体０４ａは、
ステアリングホイール０３の中央からその後方に位置す
る運転席乗員Ａに向かって膨張展開し、運転席乗員Ａを
拘束するように構成されている。[0004] The above-mentioned rear seat cushion 028a
Is provided with a seat back 028b with a reclining mechanism. Japanese Patent Application Laid-Open No. 6-80057 discloses an example in which the airbag device 02 is disposed on a roof member of the vehicle. JP-A-6-800
No. 57, the airbag bag body 04a of the first airbag unit 04, as shown in FIGS.
The steering wheel 03 is configured to expand and deploy from the center to the driver's seat occupant A located behind the steering wheel 03 to restrain the driver's seat occupant A.
【０００５】又、第２エアバッグユニット０５は上記車
両の助手席の前方のインストルメントパネル０１１に設
けられ、上記衝突時に、上記車両の助手席乗員Ｂに向か
ってエアバッグ袋体０５ａが膨張展開し助手席乗員Ｂを
保護するように構成されている。又、第３エアバッグユ
ニット０６は、図６に示したように車室内前部の上方に
位置し該車両の左右方向に延設される閉断面構造のフロ
ントへッダ０７の内部に設けられ、上記衝突時に、上記
車両の前席シートの中央席乗員Ｃに向かってエアバッグ
袋体０６ａが膨張展開し、中央席乗員Ｃを保護するよう
に構成されている。The second airbag unit 05 is provided on an instrument panel 011 in front of the passenger seat of the vehicle, and in the event of the collision, the airbag bag body 05a is inflated and deployed toward the passenger B of the vehicle. The passenger B is protected. As shown in FIG. 6, the third airbag unit 06 is provided inside a front header 07 having a closed cross-sectional structure which is located above the front part of the vehicle compartment and extends in the left-right direction of the vehicle. At the time of the collision, the airbag bag 06a is inflated and deployed toward the center seat occupant C of the front seat of the vehicle to protect the center seat occupant C.
【０００６】又、図６に示したように上記第１〜第３エ
アバッグユニット０４〜０６のそれぞれには、図示しな
いが上記各第１〜第３エアバッグユニット０４〜０６内
に折り畳まれたエアバッグ袋体０４ａ，０５ａ，０６ａ
とエアバッグ袋体０４ａ，０５ａ，０６ａ内にガスを供
給し膨張させるインフレータ部材（ガス発生器）と、該
インフレータ部材内のガス発生剤を反応せしめるイグナ
イタ（発火装置）と、エアバッグ袋体０４ａ，０５ａ，
０６ａの乗員側を展開可能に覆うバックカバーとを備え
ている。As shown in FIG. 6, each of the first to third airbag units 04 to 06 is folded into the first to third airbag units 04 to 06, though not shown. Airbag bags 04a, 05a, 06a
Member (gas generator) for supplying and inflating gas into the airbag bags 04a, 05a, 06a, an igniter (ignition device) for reacting a gas generating agent in the inflator member, and an airbag bag 04a. , 05a,
06a so as to be able to deploy the occupant side.
【０００７】そして、上記車両の衝突時には、上記各エ
アバッグ装置のイグナイタの発火によりインフレータが
作動し、上記の第１エアバッグユニット０４のエアバッ
グ袋体０４ａをステアリングホイール０３と運転席乗員
Ａとの間に、又第２エアバッグユニット０５のエアバッ
グ袋体０５ａをインストルメントパネル０１１と助手席
乗員Ｂとの間に、又第３エアバッグユニット０６のエア
バッグ袋体０６ａをインストメントパネル０１１と中央
乗員Ｃとの間に膨張展開せしめて、上記各乗員Ａ，Ｂ，
Ｃが保護されるように構成されている。When the vehicle collides, the igniter of each of the airbag devices fires to activate an inflator, and the airbag bag 04a of the first airbag unit 04 is moved to the steering wheel 03 and the driver's seat occupant A. , The airbag bag 05a of the second airbag unit 05 is placed between the instrument panel 011 and the passenger B, and the airbag bag 06a of the third airbag unit 06 is placed on the instrument panel 011. And between the central occupant C and the occupants A, B,
C is configured to be protected.
【０００８】又、上記公報には、第１及び第２エアバッ
グユニット０４，０５も第３エアバッグユニット０６と
同様にフロントヘッダ０７に配設してもよいと記載され
ているが、この場合も上記で説明した第１〜第３エアバ
ッグユニットのように、上記の第１のエアバッグ袋体０
４ａをステアリングホイール０３と運転席乗員Ａとの間
に、又第２のエアバッグ袋体０５ａを上記インストルメ
ントパネル０１１と助手席乗員Ｂとの間に、又第３のエ
アバッグ袋体０６ａをインストルメントルパネル０１１
と中央乗員Ｃとの間にそれぞれ膨張展開せしめて、上記
各乗員Ａ，Ｂ，Ｃが保護されるように構成されている。In the above publication, it is described that the first and second airbag units 04 and 05 may be disposed on the front header 07 similarly to the third airbag unit 06. Also, like the first to third airbag units described above, the first airbag bag 0
4a between the steering wheel 03 and the driver's seat occupant A, the second airbag bag 05a between the instrument panel 011 and the passenger seat occupant B, and the third airbag bag 06a. Instrument panel 011
And the central occupant C is inflated and deployed, respectively, so that the occupants A, B, and C are protected.
【０００９】又、その他の従来のエアバッグ装置として
は、特開平３─２８１４５４号公報，特開平３─２８１
４５８号公報，実開平４─９１５５２号公報等がある。Other conventional airbag devices are disclosed in Japanese Patent Application Laid-Open Nos. 3-281454 and 3-281.
No. 458, Japanese Utility Model Laid-Open No. 4-91552 and the like.
【００１０】[0010]
【発明が解決しようとする課題】しかしながら、図４に
示した従来例の技術の上記車両の前席シート０１は、前
席乗員の体形や好み等により、その時々の上記乗員が希
望する上記前席の居住空間を確保するものであるから、
前席シート０１は、上記車両の前後方向の位置を調整す
るスライド機構を有しており、更にシートバック０１ｂ
の上記車両の前後方向に対する傾斜角を調整するリクラ
イニング機構を有している。However, the front seat 01 of the vehicle according to the prior art shown in FIG. 4 has a front seat 01 desired by the occupant at each time depending on the shape and preference of the front occupant. Because it is to secure the living space of the seat,
The front seat 01 has a slide mechanism for adjusting the position of the vehicle in the front-rear direction.
Has a reclining mechanism for adjusting the inclination angle of the vehicle with respect to the front-rear direction.
【００１１】従って、その時どきの上記各乗員の希望に
より、前席シート０１の位置が変わってしまうので、上
記のシートバック０１ｂの後方上側に装着されたエアバ
ッグ装置０２と後席乗員との間の間隔が確定できない。
即ち、例えば上記前席シートバック０１ｂが上記車両の
前方側に倒れた位置にセットされている場合には、図示
しないが上記エアバッグ装置０２のエアバッグ袋体０２
ａを膨出する開口が後方上側へ向いてしまい、エアバッ
グ袋体０２ａは上記後方上側に向けて膨張展開し後席乗
員を確実に拘束できない恐れがある。Therefore, the position of the front seat 01 is changed according to the request of each occupant at that time, so that the airbag device 02 mounted on the rear upper side of the above-mentioned seat back 01b and the rear occupant. Interval cannot be determined.
That is, for example, when the front seat back 01b is set at a position where the front seat back 01b is tilted forward of the vehicle, the airbag bag body 02 of the airbag device 02 is not shown.
There is a possibility that the opening that inflates a is directed to the rear upper side, and the airbag bag body 02a is inflated and deployed toward the rear upper side and cannot reliably restrain the rear occupant.
【００１２】又、シートバック０１ｂが、ある所定量以
上の後方へスライドしたり、リクライニングをしたりし
た場合には、上記後席乗員とエアバッグ装置０２との間
の間隔が減少するので、エアバッグ袋体０２ａが完全に
膨張展開する前に上記乗員に当たるので、エアバッグ袋
体０２ａが十分な衝突エネルギを吸収するすることがで
きない恐れがある。When the seat back 01b slides backward or reclines by a predetermined amount or more, the distance between the rear seat occupant and the airbag device 02 is reduced. Since the occupant hits the occupant before the bag bag body 02a is completely inflated and deployed, the airbag bag body 02a may not be able to absorb sufficient collision energy.
【００１３】又、図５，図６に示した上記の特開平６─
８００５７号公報記載の技術においては、上記の第１エ
アバッグユニット０４はステアリングホイール０３と運
転席乗員Ａとの間に、又第２エアバッグユニット０５は
上記のインストルメントパネル０１１と助手席乗員Ｂと
の間に、又第３エアバッグユニット０５は、上記したよ
うにインストルメントパネル０１１と中央乗員Ｃとの間
に、それぞれエアバッグ袋体０４ａ，０５ａ，０６ａを
膨張展開せしめて、上記各乗員Ａ，Ｂ，Ｃを保護するよ
うに構成されているものであるから、該公報記載の技術
は、いずれもエアバッグ袋体０４ａ，０５ａ，０６ａを
ステアリングホイール０３やインストルメントパネル０
１１や前席シート０１等の上記車両構造部材と上記車両
乗員との間で、挟持されるように膨張展開せしめ衝突エ
ネルギを吸収し、上記衝突時に発生するエアバッグ袋体
０４ａ，０５ａ，０６ａに対する反力を上記車両構造部
材で受ける構造である。The above-mentioned Japanese Patent Application Laid-open No.
In the technology described in Japanese Patent No. 80057, the first airbag unit 04 is located between the steering wheel 03 and the driver's seat occupant A, and the second airbag unit 05 is located between the instrument panel 011 and the passenger seat occupant B. And the third airbag unit 05 inflates and deploys the airbag bags 04a, 05a, and 06a between the instrument panel 011 and the center occupant C, respectively, as described above. A, B, and C are configured to protect the airbag bags 04a, 05a, and 06a from the steering wheel 03 and the instrument panel 0, respectively.
11 and the vehicle occupant such as the front seat 01 and the vehicle occupant are inflated and deployed to absorb the collision energy, and the air bag bags 04a, 05a, and 06a generated at the time of the collision are absorbed. This is a structure in which a reaction force is received by the vehicle structural member.
【００１４】従って、例えば上記後席乗員のためのエア
バッグ装置として、上記特開平６─８００５７号公報記
載の技術の上記車両のルーフヘッダ０７に配設される第
３エアバッグユニット０６等を適用しても、上記車両の
衝突時に、上記第３のエアバッグ袋体０６ａは後席乗員
と前席シートバック０１ｂとにより挟持されるように膨
張展開され、第３のエアバッグ袋体０６ａに対する反力
を前席シートバック０１ｂで受ける構造になる。Therefore, for example, a third airbag unit 06 disposed on the roof header 07 of the vehicle according to the technology described in Japanese Patent Application Laid-Open No. 6-80057 is applied as an airbag device for the rear seat occupant. However, at the time of the collision of the vehicle, the third airbag body 06a is inflated and deployed so as to be sandwiched between the rear seat occupant and the front seat back 01b, and is opposed to the third airbag body 06a. The structure is such that the force is received by the front seat back 01b.
【００１５】従って、この場合も、前席シート０１を上
記車両の前後方向にスライド調整したり、前席シートバ
ック０１ｂをリクライニングしたりするので、図４で説
明した、従来例と同様に前席シートバック０１ｂと後席
乗員との間の間隔が定まらず、上記衝突時の衝突エネル
ギを十分に吸収できない恐れがある。本発明は、このよ
うな課題に鑑み創案されたもので、車両のルーフ部材に
配設されたエアバッグモジュールにより、衝突時、上記
車両のシート、とりわけ上記車両の後席に着座している
乗員の大腿部と上体部との間の空間に、エアバッグ袋体
を膨出するように設け、衝突エネルギを効果的に吸収し
て上記乗員が保護されるエアバッグ装置を提供すること
を目的とする。Therefore, in this case as well, the front seat 01 is slid and adjusted in the front-rear direction of the vehicle, and the front seat back 01b is reclined. The distance between the seat back 01b and the occupant in the rear seat is not fixed, and the collision energy at the time of the collision may not be sufficiently absorbed. SUMMARY OF THE INVENTION The present invention has been made in view of such a problem, and an occupant sitting on a seat of the vehicle, particularly a rear seat of the vehicle, at the time of a collision by an airbag module disposed on a roof member of the vehicle. An airbag device is provided in the space between the thigh and the upper body so as to inflate the airbag, and the occupant is protected by effectively absorbing collision energy. Aim.
【００１６】[0016]
【課題を解決するための手段】このため、請求項１記載
の本発明のエアバッグ装置は、車両の衝突時の上記車両
の乗員を保護するエアバッグ装置において、上記車両の
ルーフ部材に設けられて少なくともインフレータ部材と
該インフレータ部材から噴出するガスにより膨出するエ
アバッグ袋体とからなるエアバッグモジュールを有し、
上記エアバッグ袋体は上記車両に所定値以上の衝撃力が
加わった時、上記車両のシートに着座している乗員の大
腿部と上体部との間の空間に膨出するよう設けられてい
ることを特徴としている。According to a first aspect of the present invention, there is provided an airbag apparatus for protecting an occupant of a vehicle upon collision of the vehicle, the airbag apparatus being provided on a roof member of the vehicle. Having an airbag module comprising at least an inflator member and an airbag bag bulging by gas ejected from the inflator member,
The airbag bag is provided so as to bulge into a space between a thigh and a torso of an occupant seated on the vehicle seat when an impact force of a predetermined value or more is applied to the vehicle. It is characterized by having.
【００１７】請求項２記載の本発明のエアバッグ装置
は、請求項１記載の構成において、上記エアバッグ袋体
は、上記膨出した後、上記大腿部と上記上体部とに挟持
されることを特徴としている。又、本発明のエアバッグ
装置は上記構成において、上記シートは、後席であるこ
とが望ましい。According to a second aspect of the present invention, in the airbag apparatus according to the first aspect, the airbag body is sandwiched between the thigh and the upper body after the airbag swells. It is characterized by that. In the airbag device according to the present invention, the seat is preferably a rear seat.
【００１８】又、本発明のエアバッグ装置は、上記構成
において、上記大腿部のうちの膝部と上体部のうちの頭
部との間の空間に上記エアバッグ袋体を膨出せしめるよ
うに構成されていることが望ましい。又、本発明のエア
バッグ装置は、上記構成において、後席シートのシート
クッションを上記前席シート方向に移動し、上記後席シ
ートのシートバックを上記車両の後方へ傾倒させた上記
後席シートに着座した後席乗員の大腿部と上体部との間
の空間に上記エアバッグ袋体を膨出するように構成され
ていることが望ましい。[0018] In the airbag device of the present invention, the airbag inflates into the space between the knee of the thigh and the head of the upper body. It is desirable to be constituted as follows. Further, in the airbag device of the present invention, in the above configuration, the seat cushion of the rear seat is moved in the direction of the front seat, and the seat back of the rear seat is tilted rearward of the vehicle. It is preferable that the airbag body is configured to inflate into a space between the thigh and the upper body of the rear seat occupant seated in the vehicle.
【００１９】[0019]
【発明の実施の形態】以下、本発明の実施形態を図１〜
３について説明するが、本発明のエアバッグ装置を長尺
ボデーの乗用車の車両に適用した場合について説明す
る。図１は本発明のエアバッグ装置を適用した上記車両
の後席シートに着座した乗員の、衝突時における挙動を
示す概略説明図、図２は図１のエアバッグ装置の取付け
れられた部位を示す拡大概略説明図、図３は乗員がリラ
ックス状態で着座している場合の、上記車両の衝突時の
乗員の挙動を示す図１と同様の概略説明図である。BRIEF DESCRIPTION OF THE DRAWINGS FIG.
3 will be described, but a case where the airbag device of the present invention is applied to a long body passenger car will be described. FIG. 1 is a schematic explanatory view showing the behavior at the time of a collision of an occupant sitting on a rear seat of the vehicle to which the airbag device of the present invention is applied, and FIG. 2 is a diagram showing a portion where the airbag device of FIG. FIG. 3 is an enlarged schematic explanatory view showing the behavior of the occupant at the time of the collision of the vehicle when the occupant is seated in a relaxed state, similar to FIG.
【００２０】図１に示したように、車両２の前席シート
４はシートクッション４ａとシートクッション４ａに回
動可能に取付けられたシートバック４ｂとから構成され
ている。そして、シートバック４ｂの標準位置の略上方
に位置する上記車両のルーフ部材６にブラケット８を介
して後席乗員に向けエアバッグ袋体１２が膨出すように
エアバッグモジュール１４が配設されている。As shown in FIG. 1, the front seat 4 of the vehicle 2 includes a seat cushion 4a and a seat back 4b rotatably mounted on the seat cushion 4a. An airbag module 14 is provided on the roof member 6 of the vehicle, which is located substantially above the standard position of the seat back 4b, so that the airbag bag body 12 inflates toward the rear passenger via the bracket 8. I have.
【００２１】このエアバッグモジュール１４は、図１に
示したようにルーフ部材６に少なくともインフレータ部
材１６と、このインフレータ部材１６から噴出するガス
によって膨出する上記エアバッグ袋体１２とから構成さ
れている。そして、インフレータ部材１６は、上記車両
のルーフ部材６に、図示しない取付けボルトにより締結
されているリアクションカン１８内にその吹き出し方向
が後席シートの着座している乗員の方向となるよう取付
けられ、エアバッグ袋体１２が上記乗員の大腿部Ｍ１と
上体部Ｍ２との間の空間に膨出されるように配設されて
いると共に、上記エアバッグ袋体１２内にガスを供給し
て膨張させることができるように取付けられている。As shown in FIG. 1, the airbag module 14 includes at least an inflator member 16 on the roof member 6 and the airbag bag body 12 which is inflated by gas ejected from the inflator member 16. I have. Then, the inflator member 16 is attached to the roof member 6 of the vehicle in a reaction can 18 fastened by a mounting bolt (not shown) so that the blowing direction thereof is in the direction of the occupant sitting on the rear seat, The airbag bag 12 is disposed so as to be inflated into the space between the thigh M1 and the upper body M2 of the occupant, and is inflated by supplying gas into the airbag bag 12. Installed so that it can be done.
【００２２】又、インフレータ部材１６内の、図示しな
いガス発生剤を反応させるイグナイタ（発火装置）と、
エアバッグ袋体１２の上記乗員側へ展開可能に覆うリッ
ド２２がリアクションカン１８の上記車両の下方向に開
かれている開口２１に取付けられている。又、リッド２
２は、図２に示したように上記のリアクションカン１８
の下面の開口２１の上記車両前方向の左下端部に設けら
れたヒンジ２４に枢支され、開口２１を開閉できるよう
に構成されている。An igniter (ignition device) in the inflator member 16 for reacting a gas generating agent (not shown);
A lid 22 that covers the airbag bag body 12 so as to be deployable toward the occupant is attached to an opening 21 of the reaction can 18 that is opened downward in the vehicle. Also, lid 2
2 is the reaction can 18 as shown in FIG.
The opening 21 on the lower surface of the vehicle is pivotally supported by a hinge 24 provided at the lower left end in the vehicle front direction, so that the opening 21 can be opened and closed.
【００２３】又、図１に示したように後席シート２８
は、シートクッション２８ａとこのシートクッション２
８に回動可能に枢支されたリクライニング機能を有する
シートバック２８ｂとから構成されている。一方、上記
車両の後席シート２８に着座した乗員は、図１に示した
ように後席シート２８の位置Ｐ１に着座している乗員
は、上記車両が衝突すると、その一次衝撃力により、前
方の位置に移動せしめられ、且つ上記乗員の上体部Ｍ２
は前方に傾倒せしめられ、その反動により上記車両の後
方に戻され再び二次衝突負荷を受けて、更に前方の位置
に移動せしめられ、その反動により再度、上記車両の後
方に戻され三次衝突負荷となって上記と同様に上体部Ｍ
２は前方に傾倒せしめられ、この繰り返しによって図１
に示した位置ＰＮまで傾倒せしめられて収斂されるよう
な挙動をする。Also, as shown in FIG.
Is the seat cushion 28a and the seat cushion 2
And a seat back 28b having a reclining function rotatably supported by the motor 8. On the other hand, the occupant seated in the rear seat 28 of the vehicle, as shown in FIG. 1, the occupant seated at the position P1 of the rear seat 28, when the vehicle collides, the primary impact force causes And the upper body M2 of the occupant
Is tilted forward, is returned to the rear of the vehicle by the reaction, receives the secondary collision load again, is moved further forward, and is returned to the rear of the vehicle again by the reaction to load the tertiary collision. And the upper body M as above
2 is tilted forward, and by repeating this, FIG.
Is tilted to the position PN shown in FIG.
【００２４】本実施形態は上記のように構成され、且つ
衝突時の上記乗員は上記のような挙動するので、上記車
両の衝突時には、図示しない一般に使用されている周知
の検知センサにより、その衝撃力が所定値以上であるこ
とを検知し、その検知信号をエアバッグモジュール１４
のインフレータ部材１６へ出力する。そして、このイン
フレータ部材１６が該検知信号を受けると、図示しない
起爆剤を爆発させてエアバッグ袋体１２内にガスを送り
込むことによりエアバッグ袋体１６を瞬時に膨出せしめ
る。This embodiment is constructed as described above, and the occupant behaves as described above at the time of a collision. Therefore, at the time of the collision of the vehicle, the impact is detected by a well-known detection sensor (not shown) which is generally used. Force is detected to be equal to or greater than a predetermined value, and the detection signal is transmitted to the airbag module 14.
Is output to the inflator member 16. Then, when the inflator member 16 receives the detection signal, it explodes a priming agent (not shown) and sends gas into the airbag bag body 12, thereby instantly inflating the airbag bag body 16.
【００２５】又、この際、図１，図２に示したようにエ
アバッグ袋体１２の膨出力でリッド２２は、薄肉縁部２
２ｂが剪断されヒンジ２４を中心として、図中において
時計回転方向に回動せしめられ、上記の開口２１が開放
され後、後席シート２８に着座している乗員の大腿部Ｍ
１と上体部Ｍ２との間の空間に、エアバッグ袋体１２を
膨出せしめる。At this time, as shown in FIG. 1 and FIG.
2b is sheared and turned around the hinge 24 in the clockwise direction in the figure, and after the opening 21 is opened, the thigh M of the occupant sitting on the rear seat 28 after the opening 21 is opened.
The airbag bag body 12 is inflated in the space between the upper body part 1 and the upper body part M2.
【００２６】この膨出されたエアバッグ袋体１２を上記
の大腿部Ｍ１と上体部Ｍ２とで、つぶしつつ変形せしめ
ながら、上記乗員の大腿部Ｍ１で受けながら、上記衝突
エネルギを吸収せしめるものである。そして、乗員の大
腿部Ｍ１と上体部Ｍ２との間の空間に、膨出したエアバ
ッグ袋体１２を大腿部Ｍ１と上体部Ｍ２とにより挟持せ
しめて、上記したように乗員が、図１の実線の位置Ｐ１
から前方に移動せしめれられ、且つ上記乗員の上体部Ｍ
２が、図１に二点鎖線で示したように前方に傾倒し位置
ＰＮ方向に収斂するまで、上記衝突エネルギを吸収する
ので、上記従来例のようにエアバッグ袋体の反力を車体
構造部材で受けなくとも、即ち該車体構造部材がない場
合であっても上記乗員の保護を効果的に行なうことがで
きる。The inflated airbag body 12 is absorbed by the occupant's thigh M1 while being deformed while being crushed by the thigh M1 and the upper body M2 while absorbing the collision energy. It is a hurry. Then, the inflated airbag body 12 is sandwiched between the thigh M1 and the upper body M2 in the space between the thigh M1 and the upper body M2 of the occupant, and the , The position P1 of the solid line in FIG.
From the front, and the upper body M of the occupant
2 absorbs the collision energy until it tilts forward and converges in the position PN direction as shown by the two-dot chain line in FIG. Even if the vehicle occupant does not receive the vehicle body structural member, the occupant can be effectively protected.
【００２７】従って、本実施形態では、後席シート乗員
がシートベルト未装着の場合であっても上記乗員の前席
側への進入を防止し、又シートベルトを装着している場
合でも該シートベルトと協働して上記後席乗員の保護を
確実に行なうことができる。次に、図３に二点鎖線で示
したように、後席シート２８を後席乗員がリラックスし
た状態に着座した場合について説明する。Therefore, in this embodiment, even when the rear seat occupant does not wear the seat belt, the occupant is prevented from entering the front seat, and even when the seat belt is worn, In cooperation with the belt, the rear seat occupant can be reliably protected. Next, a case will be described in which the rear occupant sits on the rear seat 28 in a relaxed state, as shown by the two-dot chain line in FIG.
【００２８】図３に示したように、実線の位置から二点
鎖線の位置に、後席シート２８のシートクッション２８
ａを前席シート４方向に移動し、シートバック２８ｂを
後方へ傾倒せしめ、且つレッグレストＬを使用位置に回
動せしめた状態にする。そして、前席シート４も、図３
に示したように実線の位置から二点鎖線の位置に、上記
車両の前方に移動しシートバック４ｂを前方に傾倒し、
且つフットレストＦを、図３に二点鎖線で示した位置に
後方向に回動し使用様態にする。As shown in FIG. 3, the seat cushion 28 of the rear seat 28 is moved from the position indicated by the solid line to the position indicated by the alternate long and two short dashes line.
a is moved in the direction of the front seat 4, the seat back 28b is tilted backward, and the leg rest L is rotated to the use position. The front seat 4 is also shown in FIG.
As shown in the above, from the position of the solid line to the position of the two-dot chain line, move forward of the vehicle and tilt the seat back 4b forward,
In addition, the footrest F is rotated rearward to the position shown by the two-dot chain line in FIG.
【００２９】上記のようにな状態にある前後席シート
４，２８に、図３に示したように後席乗員がフットレス
トＦに上記乗員の足をのせリラックス状態で着座するこ
とになるが、上記衝突時には、図３に一点鎖線で示した
ように上記のエアバッグ袋体１２が後席乗員の大腿部Ｍ
１と上体部Ｍ２との間の空間に膨出され、上記の大腿部
Ｍ１と上体部Ｍ２とにより挟持されると共に、乗員の大
腿部Ｍ１で受けながら上記衝突エネルギを吸収せしめる
ことができるので、上記車体構造部材がなくとも上記実
施形態と同様に衝突エネルギを効果的に吸収することが
できる。As shown in FIG. 3, the rear seat occupant rests on the footrest F on the front and rear seats 4, 28 in the above-described state, and sits in a relaxed state. At the time of a collision, the airbag bag body 12 is attached to the thigh M of the rear occupant, as shown by a dashed line in FIG.
1 and swells into the space between the upper body M2 and is sandwiched between the thigh M1 and the upper body M2 and absorbs the collision energy while being received by the occupant's thigh M1. Therefore, even if the vehicle body structural member is not provided, the collision energy can be effectively absorbed similarly to the above embodiment.
【００３０】又、上記実施形態では、長尺ボデーの乗用
車に適用した場合を説明したが、これに限られるもので
はなく、どんな乗物の車両であっても、又前席シートで
あっても、乗員の大腿部Ｍ１と上体部Ｍ２との空間に膨
出せしめたエアバッグ袋体１２を大腿部Ｍ１と上体部Ｍ
２とにより挟持せしめると共に、上記エアバッグ袋体１
２の反力を上記乗員の大腿部Ｍ１で受けながら、上記衝
突エネルギを吸収せしめることができるものであれば、
上記実施形態と同様の作用効果を奏することができる。Further, in the above embodiment, the case where the present invention is applied to a long body passenger car has been described. However, the present invention is not limited to this case. The airbag bag body 12 inflated in the space between the thigh M1 and the upper body M2 of the occupant is attached to the thigh M1 and the upper body M.
2 and the air bag 1
If it is possible to absorb the collision energy while receiving the reaction force of 2 in the thigh M1 of the occupant,
The same operation and effect as the above embodiment can be obtained.
【００３１】又、上記乗員の上体部Ｍ２とは、該乗員の
腹部から頭部の頂点までを言い、上記の大腿部Ｍ１と上
体部Ｍ２との間におけるエアバッグ袋体１２の膨張展開
の空間は、大腿部Ｍ１のうちの膝と上体部Ｍ２のうちの
頭部との間の空間が好ましい。The upper body part M2 of the occupant means the area from the abdomen to the top of the head of the occupant, and the inflation of the airbag bag body 12 between the thigh part M1 and the upper body part M2. The space for deployment is preferably a space between the knee of the thigh M1 and the head of the upper body M2.
【００３２】[0032]
【発明の効果】以上詳述したように、請求項１記載の本
発明のエアバッグ装置によれば、車両の衝突時の上記車
両の乗員を保護するエアバッグ装置において、上記車両
のルーフ部材に設けられて少なくともインフレータ部材
と該インフレータ部材から噴出するガスにより膨出する
エアバッグ袋体とからなるエアバッグモジュールを有
し、上記エアバッグ袋体は上記車両に所定値以上の衝撃
力が加わった時、上記車両のシートに着座している乗員
の大腿部と上体部との間の空間に膨出するよう設けられ
ているので、上記の乗員の大腿部と上体部との間の空間
に膨出した上記エアバッグ袋体により、上記乗員の上体
部が前方に傾倒し衝突荷重が収斂するまで、上記衝突エ
ネルギを吸収するため、上記従来例のようにエアバッグ
袋体の反力を車体構造部材で受けなくとも、即ち該車体
構造部材がなくとも上記乗員の保護を効果的に行なうこ
とができる。As described above in detail, according to the airbag device of the first aspect of the present invention, in the airbag device for protecting the occupant of the vehicle at the time of a collision of the vehicle, the airbag device is provided with a roof member of the vehicle. An airbag module that is provided and includes at least an inflator member and an airbag bag body that is inflated by gas ejected from the inflator member, wherein the airbag bag body has an impact force of a predetermined value or more applied to the vehicle. At this time, since it is provided so as to protrude into the space between the thigh and the upper body of the occupant sitting on the seat of the vehicle, the space between the thigh and the upper body of the occupant is provided. The airbag bag body swelled in the space absorbs the collision energy until the upper body of the occupant tilts forward and the collision load converges. Reaction force to body structure Without receiving a member, i.e., without the vehicle body structural member can be carried out effectively protect the occupant.
【００３３】請求項２記載の本発明のエアバッグ装置に
よれば、請求項１記載の構成において、上記エアバッグ
袋体は、上記膨出した後、上記大腿部と上記上体部とに
挟持されるので、上記乗員の大腿部と上体部とでエアバ
ッグ袋体を挟持し乗員を拘束し保護することができる。
又、本発明のエアバッグ装置によれば、上記構成におい
て、上記エアバッグ装置のエアバッグ袋体を後席に着座
している乗員に向けて膨出するように構成すれば、上記
後席乗員を確実に保護することができる。According to the second aspect of the present invention, in the airbag device according to the first aspect, after the airbag bag is inflated, the airbag bag is attached to the thigh and the upper body. Since the occupant is pinched, the airbag bag can be pinched between the thigh and the upper body of the occupant to restrain and protect the occupant.
Further, according to the airbag device of the present invention, in the above configuration, if the airbag body of the airbag device is configured to inflate toward an occupant seated in a rear seat, the occupant of the rear seat Can be reliably protected.
【００３４】そして、上記衝突時に、後席シート乗員の
前席シートの後部へ傾倒してくるのを、上記乗員の大腿
部と上体部とでエアバッグ袋体を挟持せしめることによ
り、上記乗員を拘束し保護することができるので、シー
トベルトをしていない上記乗員の前席側への進入を防止
することができる。又、シートベルトをしている上記乗
員の該シートベルト付近を中心として上記上体部側が傾
倒した際、頭部を傷害する恐れがあるが、これを防止す
ると共に、上記乗員の上体部が前方に傾倒し衝突荷重が
収斂するまで、上記衝突エネルギを吸収するため、上記
従来例のようにエアバッグ袋体の反力を車体構造部材で
受けなくとも、即ち該車体構造部材がなくとも上記乗員
の保護を効果的に行なうことができる。When the rear seat occupant leans toward the rear portion of the front seat at the time of the collision, the airbag bag is sandwiched between the thigh and the upper body of the occupant. Since the occupant can be restrained and protected, it is possible to prevent the occupant who does not wear a seat belt from entering the front seat side. Also, when the upper body side of the occupant wearing the seat belt tilts around the vicinity of the seat belt, the head may be injured. Until the collision load is converged by tilting forward, the collision energy is absorbed, so that the reaction force of the airbag bag is not received by the vehicle body structural member as in the conventional example, that is, even if the vehicle body structural member is not provided, The occupant can be effectively protected.
【００３５】又、本発明のエアバッグ装置は、上記構成
において、上記大腿部のうちの膝部と上体部のうちの頭
部との間の空間に上記エアバッグ袋体を膨出せしめるよ
うに構成されているので、上記膝部と頭部でとの間に膨
出された上記エアバッグ袋体をつぶしながら上記衝突エ
ネルギを吸収するため、上記従来例のようにエアバッグ
袋体の反力を車体構造部材で受けなくとも、即ち該車体
構造部材がなくとも上記乗員の保護を効果的に行なうこ
とができる。In the airbag device according to the present invention, the airbag bag is inflated in a space between the knee of the thigh and the head of the upper body. As described above, in order to absorb the collision energy while crushing the airbag swelled between the knee and the head, the airbag sac as in the conventional example described above is used. Even if the reaction force is not received by the vehicle body structural member, that is, the occupant can be effectively protected without the vehicle body structural member.
【００３６】又、本発明のエアバッグ装置は、上記構成
において、後席シートのシートクッションを上記前席シ
ート方向に移動し、シートバックを上記車両の後方へ傾
倒させたリラックスした状態の場合であっても、上記後
席シートに着座した後席乗員の大腿部と上体部との間の
空間に、上記エアバッグ袋体を膨出するように構成され
ているので、上記と同様に衝突エネルギを効果的に吸収
することができると共に、上記乗員を保護することがで
きる。In the airbag device of the present invention, the seat cushion of the rear seat is moved in the direction of the front seat and the seat back is tilted rearward of the vehicle in a relaxed state. Even so, since the airbag body is configured to inflate into the space between the thighs and the upper body of the rear seat occupant seated in the rear seat, the airbag is inflated similarly to the above. The collision energy can be effectively absorbed and the occupant can be protected.
【図１】本発明の実施形態を示すものであり、本発明の
エアバッグ装置を適用した乗用車の後席シートに着席し
た乗員の衝突時における挙動を示す概略説明図である。FIG. 1, showing an embodiment of the present invention, is a schematic explanatory view showing a behavior at the time of a collision of an occupant sitting on a rear seat of a passenger car to which an airbag device of the present invention is applied.
【図２】図１のエアバッグ装置を取付けられた部位を示
す拡大概略説明図である。FIG. 2 is an enlarged schematic explanatory view showing a portion where the airbag device of FIG. 1 is attached.
【図３】乗員がリラックス状態で着座している場合の、
乗用車の衝突時の乗員の挙動を示す図１と同様の概略説
明図である。FIG. 3 shows a state in which the occupant is seated in a relaxed state.
FIG. 2 is a schematic explanatory view similar to FIG. 1, illustrating behavior of an occupant at the time of collision of a passenger car.
【図４】従来例のエアバッグ装置が取付けられた車両の
側面を示す概略説明図である。FIG. 4 is a schematic explanatory view showing a side surface of a vehicle to which a conventional airbag device is attached.
【図５】その他の従来例のエアバッグ装置が取付けられ
た車両の前席側を示す概略説明図である。FIG. 5 is a schematic explanatory view showing a front seat side of a vehicle to which another conventional airbag device is attached.
【図６】図５の６Ａ−６Ａ線に沿う断面を示す概略説明
図である。FIG. 6 is a schematic explanatory view showing a cross section taken along line 6A-6A in FIG.
２ 車両 ４ 前席シート ４ａ 前席シートクッション ４ｂ 前席シートバック ６ ルーフ部材 ８ ブラケット １２ エアバッグ袋体 １４ エアバッグモジュール １６ インフレータ部材 １８ リアクションカン ２１ リアクションカンの開口 ２２ リッド ２２ｂ 薄肉部 ２４ ヒンジ ２８ 後席シート ２８ａ 後席シートクッション ２８ｂ 後席シートバック Ｆ フットレスト Ｌ レッグレスト Ｍ１ 大腿部 Ｍ２ 上体部 ＰＮ 衝突時の乗員の挙動位置 2 vehicle 4 front seat 4a front seat cushion 4b front seat back 6 roof member 8 bracket 12 airbag bag 14 airbag module 16 inflator member 18 reaction can 21 reaction can opening 22 lid 22b thin portion 24 hinge 28 rear Seat seat 28a Rear seat cushion 28b Rear seat back F Footrest L Legrest M1 Thigh M2 Upper body PN The occupant's behavior position at the time of collision
───────────────────────────────────────────────────── フロントページの続き (72)発明者 中塚 正直 東京都港区芝五丁目33番８号 三菱自動車 工業株式会社内 (72)発明者 鈴木 直幸 東京都港区芝五丁目33番８号 三菱自動車 工業株式会社内 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Masanao Nakatsuka 5-33-8 Shiba, Minato-ku, Tokyo Inside Mitsubishi Motors Corporation (72) Inventor Naoyuki Suzuki 5-33-8 Shiba, Minato-ku, Tokyo Mitsubishi Automotive Industry Co., Ltd.
Claims (2)
るエアバッグ装置において、上記車両のルーフ部材に設
けられて少なくともインフレータ部材と該インフレータ
部材から噴出するガスにより膨出するエアバッグ袋体と
からなるエアバッグモジュールを有し、上記エアバッグ
袋体は上記車両に所定値以上の衝撃力が加わった時、上
記車両のシートに着座している乗員の大腿部と上体部と
の間の空間に膨出するよう設けられていることを特徴と
する、エアバッグ装置。1. An airbag device for protecting an occupant of a vehicle at the time of a collision of a vehicle, wherein the airbag bag is provided on a roof member of the vehicle and is inflated by at least an inflator member and gas ejected from the inflator member. And an airbag module comprising: an airbag module that, when an impact force equal to or more than a predetermined value is applied to the vehicle, causes the thigh and upper body of an occupant seated on the vehicle seat to An airbag device provided so as to bulge into a space between the airbags.
後、上記大腿部と上記上体部とに挟持されることを特徴
とする、請求項１記載のエアバッグ装置。2. The airbag device according to claim 1, wherein the airbag body is sandwiched between the thigh and the upper body after the airbag is inflated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07244597A JP3480231B2 (en) | 1997-03-25 | 1997-03-25 | Airbag device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07244597A JP3480231B2 (en) | 1997-03-25 | 1997-03-25 | Airbag device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10264761A true JPH10264761A (en) | 1998-10-06 |
| JP3480231B2 JP3480231B2 (en) | 2003-12-15 |
Family
ID=13489506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP07244597A Expired - Fee Related JP3480231B2 (en) | 1997-03-25 | 1997-03-25 | Airbag device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3480231B2 (en) |
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| GB2378424A (en) * | 2001-08-07 | 2003-02-12 | Autoliv Dev | Centrally mounted roof airbag arrangment |
| US6913280B2 (en) | 2002-11-12 | 2005-07-05 | Autoliv Asp, Inc. | Overhead airbag deployment apparatus and method |
| US7195276B2 (en) | 2003-07-31 | 2007-03-27 | Takata Corporation | Occupant protection system |
| US7222877B2 (en) | 2003-03-31 | 2007-05-29 | Key Safety Systems, Inc. | Occupant-to-occupant air bag system |
| JP2008018805A (en) * | 2006-07-12 | 2008-01-31 | Kanto Auto Works Ltd | Rear airbag for automobile |
| WO2008095615A1 (en) * | 2007-02-08 | 2008-08-14 | Autoliv Development Ab | Airbag, airbag module and motor vehicle |
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| JP2011046368A (en) * | 2009-08-27 | 2011-03-10 | Hyundai Motor Co Ltd | Attachment structure for roof airbag |
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| KR101724944B1 (en) * | 2015-11-06 | 2017-04-10 | 현대자동차주식회사 | Airbag system of vehicle |
| US10065591B2 (en) * | 2014-09-24 | 2018-09-04 | Trw Automotive Gmbh | Occupant restraining system for a vehicle |
| CN109849833A (en) * | 2017-11-29 | 2019-06-07 | 通用汽车环球科技运作有限责任公司 | With the air-bag module fastened formula reaction surface be configured to that head is allowed to rotate forward |
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| US6913280B2 (en) | 2002-11-12 | 2005-07-05 | Autoliv Asp, Inc. | Overhead airbag deployment apparatus and method |
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| JP2010274898A (en) * | 2009-05-27 | 2010-12-09 | Hyundai Motor Co Ltd | Roof air bag device |
| JP2011046368A (en) * | 2009-08-27 | 2011-03-10 | Hyundai Motor Co Ltd | Attachment structure for roof airbag |
| JP2012046164A (en) * | 2010-08-30 | 2012-03-08 | Hyundai Motor Co Ltd | Airbag device for vehicle |
| KR101219694B1 (en) | 2010-08-30 | 2013-01-18 | 현대자동차주식회사 | Airbag apparatus for vehicle |
| CN103386947A (en) * | 2012-05-10 | 2013-11-13 | 现代自动车株式会社 | Frontal center curtain airbag for vehicle |
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| US10065591B2 (en) * | 2014-09-24 | 2018-09-04 | Trw Automotive Gmbh | Occupant restraining system for a vehicle |
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| CN109849833A (en) * | 2017-11-29 | 2019-06-07 | 通用汽车环球科技运作有限责任公司 | With the air-bag module fastened formula reaction surface be configured to that head is allowed to rotate forward |
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