JP2012176696A - Occupant protection device - Google Patents

Occupant protection device Download PDF

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JP2012176696A
JP2012176696A JP2011040866A JP2011040866A JP2012176696A JP 2012176696 A JP2012176696 A JP 2012176696A JP 2011040866 A JP2011040866 A JP 2011040866A JP 2011040866 A JP2011040866 A JP 2011040866A JP 2012176696 A JP2012176696 A JP 2012176696A
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airbag
seat
occupant
deployed
protection device
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JP5961341B2 (en
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Michihito Ohashi
道史 大橋
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Subaru Corp
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Fuji Heavy Industries Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide an occupant protection device that reliably deploys an airbag at a target position.SOLUTION: The device includes: a slide member 23b that houses the airbag 21 and has an opening 23e for projecting the airbag; a mechanism for moving the opening 23e of the slide member 23b from the inside of a seat cushion 11 toward the outside of the seat cushion 11 when the airbag 21 is deployed; and a guide member 23c that guide the airbag 21 so as to accommodate the airbag 21 in an airbag case 23 to be deployed toward a predetermined direction.

Description

本発明は、車両の衝突時における衝撃力から乗員を保護するための乗員保護装置に係り、特にシートに着座した乗員と車両の側壁との間に展開するサイドエアバッグを備えた乗員保護装置に関するものである。   The present invention relates to an occupant protection device for protecting an occupant from impact force at the time of a vehicle collision, and more particularly to an occupant protection device including a side airbag that is deployed between an occupant seated on a seat and a side wall of the vehicle. Is.

従来、この種の乗員保護装置としては、シート内に設けられたエアバッグを備え、車両の衝突時等の車両の側方に衝撃力が作用した場合に、シートに着座した乗員と車両の側壁との間にエアバッグを展開させて、衝撃力から乗員を保護するようにしたものが知られている。この乗員保護装置では、エアバッグをシートに着座した状態の乗員の方向に展開させるようにすることで、乗員を確実に保護するようにしている（例えば、特許文献１参照）。   Conventionally, this type of occupant protection device includes an airbag provided in a seat, and when an impact force acts on the side of the vehicle at the time of a vehicle collision or the like, the occupant seated on the seat and the side wall of the vehicle An air bag is deployed between the two to protect the occupant from the impact force. In this occupant protection device, the occupant is reliably protected by deploying the airbag in the direction of the occupant seated on the seat (see, for example, Patent Document 1).

前記乗員保護装置では、車両の側方に衝撃力が作用した場合に車両の側壁と乗員との間にエアバッグを介在させることで、乗員に作用する衝撃力を緩和するようにしている。一方、エアバッグの展開によって乗員を保護する別の乗員保護装置として、エアバッグを乗員の例えば腰部等、体の側面部に向かって側方から展開させることによって、シートに着座している乗員を車幅方向中央部側に移動させる方法が考えられている。   In the occupant protection device, when an impact force is applied to the side of the vehicle, an airbag is interposed between the side wall of the vehicle and the occupant, thereby reducing the impact force acting on the occupant. On the other hand, as another occupant protection device that protects the occupant by deploying the airbag, the occupant seated on the seat can be removed by deploying the airbag from the side toward the side of the body, such as the waist. The method of moving to the vehicle width direction center part side is considered.

特開平４−３５６２４６号公報JP-A-4-356246

エアバッグによって乗員を移動させる乗員保護装置では、乗員を確実に車幅方向中央部側に移動させるために、エアバッグを乗員の側面部に向かって側方から正確に展開させる必要がある。しかし、前記シート内に設けられたエアバッグを備えた乗員保護装置では、シート内でエアバッグを展開させているため、正確に乗員の側面側に側方からエアバッグを展開させることができず、エアバッグが展開したとしてもシートに着座した乗員を車幅方向中央部側に移動させることができない。   In an occupant protection device that moves an occupant by an airbag, it is necessary to accurately deploy the airbag from the side toward the side surface of the occupant in order to reliably move the occupant toward the center in the vehicle width direction. However, in the occupant protection device provided with the airbag provided in the seat, since the airbag is deployed in the seat, the airbag cannot be deployed accurately from the side on the side of the occupant. Even if the airbag is deployed, the occupant seated on the seat cannot be moved toward the center in the vehicle width direction.

本発明の目的とするところは、エアバッグを目的の位置に確実に展開させることのできる乗員保護装置を提供することにある。   An object of the present invention is to provide an occupant protection device that can reliably deploy an airbag to a target position.

本発明は、前記目的を達成するために、シート内の車両側壁側に設けられ、前記シートに着座した乗員と前記車両の前記側壁との間に展開するエアバッグを備えた乗員保護装置において、前記エアバッグが収容され、前記エアバッグを突出させる突出口が設けられた収容部材と、前記エアバッグが展開する際に、前記収容部材の前記突出口を前記シート内から前記シート外に移動させる移動機構と、前記収容部材に収容された前記エアバッグを所定の方向に向かって展開させるように前記エアバッグを案内する案内部材と、を備えている。   To achieve the above object, the present invention provides an occupant protection device including an airbag that is provided on a side wall of a vehicle in a seat and that is deployed between the occupant seated on the seat and the side wall of the vehicle. An accommodating member in which the airbag is accommodated and provided with a projecting port for projecting the airbag, and when the airbag is deployed, the projecting port of the accommodating member is moved from the seat to the outside of the seat. A moving mechanism; and a guide member for guiding the airbag so that the airbag accommodated in the accommodating member is deployed in a predetermined direction.

これにより、突出口がシート外に位置する状態でエアバッグが展開されることから、突出口から直接シート外の空間にエアバッグが展開される。   Thereby, since the airbag is deployed in a state where the projecting opening is located outside the seat, the airbag is deployed directly from the projecting opening to the space outside the seat.

また、請求項２に記載の発明は、前記案内部材は、前記突出口の少なくとも一部を閉鎖するとともに、展開する前記エアバッグによって押し開けられるように構成され、前記収容部材と前記案内部材との間には、前記突出口に対する前記案内部材の開度を所定の開度に規制する開度規制手段が設けられていることを特徴とする。
また、請求項３に記載の発明は、前記開度規制手段は、前記案内部材の開度を、展開する前記エアバッグを前記シートに着座した乗員の方向に案内する開度に規制していることを特徴とする。
また、請求項４に記載の発明は、前記移動機構は、展開する前記エアバッグの先端が前記シートに着座した乗員の体の側面部に接触可能な位置まで前記突出口を移動させることを特徴とする。
また、請求項５に記載の発明は、前記移動機構は、展開する前記エアバッグの先端が前記シートに着座した乗員の体の前面側を通過可能な位置まで前記突出口を移動させることを特徴とする。 According to a second aspect of the present invention, the guide member is configured to close at least a part of the projecting port and be pushed open by the airbag that is deployed, and the housing member and the guide member An opening degree restricting means for restricting the opening degree of the guide member with respect to the projecting opening to a predetermined opening degree is provided.
According to a third aspect of the invention, the opening degree restricting means restricts the opening degree of the guide member to an opening degree that guides the airbag to be deployed in the direction of a passenger seated on the seat. It is characterized by that.
According to a fourth aspect of the present invention, the moving mechanism moves the protruding port to a position where a front end of the airbag to be deployed can come into contact with a side surface portion of an occupant's body seated on the seat. And
Further, the invention according to claim 5 is characterized in that the moving mechanism moves the protruding port to a position where the front end of the airbag to be deployed can pass through the front side of the occupant's body seated on the seat. And

本発明によれば、突出口から直接シート外の空間にエアバッグを展開させることができるので、確実に目的とする方向にエアバッグを展開させることが可能となる。   According to the present invention, since the airbag can be deployed directly from the protruding opening to the space outside the seat, the airbag can be reliably deployed in the intended direction.

本発明の第１実施形態を示す乗員保護装置の概略図である。1 is a schematic view of an occupant protection device showing a first embodiment of the present invention. エアバッグ装置の断面図である。It is sectional drawing of an airbag apparatus. 収容部がシート外に移動した状態を示すエアバッグ装置の断面図である。It is sectional drawing of the airbag apparatus which shows the state which the accommodating part moved out of the sheet | seat. エアバッグが展開した状態を示す乗員保護装置の概略図である。It is the schematic of the passenger | crew protection apparatus which shows the state which the airbag expand | deployed. 本発明の第２実施形態を示す乗員保護装置の概略図である。It is the schematic of the passenger | crew protection apparatus which shows 2nd Embodiment of this invention. エアバッグが展開した状態を示すエアバッグ装置の断面図である。It is sectional drawing of the airbag apparatus which shows the state which the airbag expand | deployed. 本発明の第３実施形態を示す乗員保護装置の概略図である。It is the schematic of the passenger | crew protection apparatus which shows 3rd Embodiment of this invention.

図１乃至図４は、本発明の第１実施形態を示すものである。   1 to 4 show a first embodiment of the present invention.

本発明の乗員保護装置は、図１に示す車両１のシート１０に適用されるものである。   The occupant protection device of the present invention is applied to the seat 10 of the vehicle 1 shown in FIG.

シート１０は、乗員Ｍが着座するためのシートクッション１１と、シートクッション１１の後端側から上方に延びるように設けられ、乗員Ｍの背面部を受けるためのシートバック１２と、シートバック１２の上端部に設けられ、乗員Ｍの頭部を受けるためのヘッドレスト１３と、を有している。   The seat 10 is provided so that the occupant M is seated thereon, the seat cushion 12 is provided so as to extend upward from the rear end side of the seat cushion 11, and the seat back 12 for receiving the back portion of the occupant M; And a headrest 13 provided at the upper end for receiving the head of the occupant M.

本発明の乗員保護装置としてのエアバッグユニット２０は、シートバック１２の車両１の側壁１ａ側の下部に位置するクッション材１２ａに埋設されている。   The airbag unit 20 as an occupant protection device of the present invention is embedded in a cushion material 12a located at the lower part of the seat back 12 on the side wall 1a side of the vehicle 1.

エアバッグユニット２０は、図２に示すように、エアバッグ２１と、エアバッグ２１を展開させるためのインフレータ２２と、エアバッグ２１およびインフレータ２２が収容されるエアバッグケース２３と、を備えている。   As shown in FIG. 2, the airbag unit 20 includes an airbag 21, an inflator 22 for deploying the airbag 21, and an airbag case 23 in which the airbag 21 and the inflator 22 are accommodated. .

エアバッグ２１は、高強度で耐熱性の高い繊維からなる袋状の部材からなり、エアバッグケース２３から乗員Ｍの側面部に向かって展開するように構成されている。   The airbag 21 is made of a bag-like member made of a fiber having high strength and high heat resistance, and is configured to be deployed from the airbag case 23 toward the side surface of the occupant M.

インフレータ２２は、車両１の側部に設けられた図示しない衝撃検出センサによって所定以上の衝撃力が検出された場合に、火薬に着火してガスを発生させたり、圧力容器内の高圧ガスを放出させたりするものである。インフレータ２２から放出されたガスは、エアバッグ２１に供給されるように構成されている。   The inflator 22 ignites gunpowder to generate gas or releases high-pressure gas in the pressure vessel when an impact force greater than a predetermined level is detected by an impact detection sensor (not shown) provided on the side of the vehicle 1. It is something to let you. The gas released from the inflator 22 is configured to be supplied to the airbag 21.

エアバッグケース２３は、エアバッグ２１およびインフレータ２２が収容されたケース本体２３ａと、ケース本体２３ａに対して所定範囲内をスライド自在に設けられたスライド部材２３ｂと、エアバッグ２１の展開方向を案内するための案内部材２３ｃと、を有している。   The airbag case 23 guides a deployment direction of the airbag 21, a case body 23 a in which the airbag 21 and the inflator 22 are accommodated, a slide member 23 b that is slidable within a predetermined range with respect to the case body 23 a, and the airbag 21. And a guide member 23c.

ケース本体２３ａは、１面が開口された箱状の部材であり、内部にエアバッグ２１の基端側およびインフレータ２２が取り付けられている。ケース本体２３ａは、ブラケット２３ｄを介してシートバッグ１２内のフレーム１２ｂに取り付けられている。   The case main body 23a is a box-shaped member having one open surface, and the base end side of the airbag 21 and the inflator 22 are attached inside. The case main body 23a is attached to the frame 12b in the seat bag 12 via a bracket 23d.

スライド部材２３ｂは、筒状の部材からなり、一端側にケース本体２３ａが配置されている。スライド部材２３ｂの他端側には、展開するエアバッグ２１を突出させるための突出口２３ｅが設けられ、突出口２３ｅはスライド部材２３ｂの延びる方向に対して乗員Ｍ側方向に斜めに向いている。スライド部材２３ｂは、ケース本体２３ａに対して移動距離Ｌ１の範囲内で移動可能である。この移動距離Ｌ１は、シート１０に着座した乗員Ｍの側面部にエアバッグ２１の先端を接触させることが可能な距離である。   The slide member 23b is formed of a cylindrical member, and the case main body 23a is disposed on one end side. On the other end side of the slide member 23b, a projecting port 23e for projecting the deploying airbag 21 is provided, and the projecting port 23e is inclined obliquely in the direction of the occupant M with respect to the direction in which the slide member 23b extends. . The slide member 23b can move within the range of the movement distance L1 with respect to the case main body 23a. The moving distance L1 is a distance that allows the tip of the airbag 21 to contact the side surface portion of the occupant M seated on the seat 10.

案内部材２３ｃは、スライド部材２３ｂの突出口２３ｅ近傍に一端側が支軸２３ｆを介して回転可能に連結されている。案内部材２３ｃは、エアバッグ２１が展開していない状態で突出口２３ｅを閉鎖しており、スライド部材２３ｂの内側から所定以上の力が作用した場合に突出口２３ｅを開放するように構成されている。所定以上の力が作用した場合に案内部材２３ｃを回転させる方法としては、支軸２３ｆの回転時の摩擦力を利用してもよいし、案内部材２３ｃの他端側とスライド部材２３ｂとを所定以上の力で破断可能な部材で連結するようにしてもよい。また、案内部材２３ｃとスライド部材２３ｂとの間には、突出口２３ｅを開放する際の案内部材２３ｃの回転角度を所定角度に規制するための規制部材２３ｇが設けられている。規制部材２３ｇは、例えば布状の部材からなり、両端がそれぞれ案内部材２３ｃおよびスライド部材２３ｂに固定されている。   One end of the guide member 23c is rotatably connected to the vicinity of the projecting opening 23e of the slide member 23b via a support shaft 23f. The guide member 23c closes the protruding port 23e in a state where the airbag 21 is not deployed, and is configured to open the protruding port 23e when a predetermined force or more is applied from the inside of the slide member 23b. Yes. As a method of rotating the guide member 23c when a predetermined force or more is applied, a frictional force during the rotation of the support shaft 23f may be used, or the other end side of the guide member 23c and the slide member 23b are connected to each other. You may make it connect with the member which can be broken with the above force. Further, between the guide member 23c and the slide member 23b, there is provided a regulating member 23g for regulating the rotation angle of the guide member 23c when opening the protruding port 23e to a predetermined angle. The regulating member 23g is made of a cloth-like member, for example, and both ends thereof are fixed to the guide member 23c and the slide member 23b, respectively.

以上のように構成された乗員保護装置において、車両１の側面に対して側方から所定以上の衝撃力が作用すると、エアバッグユニット２０では、インフレータ２２からエアバッグ２１に向かって高圧ガスが供給され、エアバッグ２１が展開される。   In the occupant protection device configured as described above, when an impact force of a predetermined level or more acts on the side surface of the vehicle 1 from the side, high pressure gas is supplied from the inflator 22 toward the airbag 21 in the airbag unit 20. Then, the airbag 21 is deployed.

このとき、エアバッグ２１は、図４に示すように、スライド部材２３ｂの突出口２３ｅ側に向かって展開する力によって、スライド部材２３ｂをケース本体２３ａに対して前方に向かって移動させる。これにより、スライド部材２３ｂは、クッション材１２ａおよびクッション材１２ａの外側を覆うシートカバーを破断させてシートバック１２内から乗員Ｍ側に突出する。エアバッグ２１は、スライド部材２３ｂをシートバック１２内から突出させると同時に、突出口２３ｅを閉鎖している案内部材２３ｃを押し開けて突出口２３ｅから突出して外部に展開する。   At this time, as shown in FIG. 4, the airbag 21 moves the slide member 23b forward with respect to the case main body 23a by a force that expands toward the projecting opening 23e of the slide member 23b. As a result, the slide member 23b projects the cushion material 12a and the seat cover that covers the outside of the cushion material 12a to protrude from the seat back 12 toward the occupant M side. The airbag 21 projects the slide member 23b from the seat back 12, and at the same time pushes open the guide member 23c that closes the projecting opening 23e, projects from the projecting opening 23e, and deploys to the outside.

突出口２３ｅから外部に展開するエアバッグ２１は、案内部材２３ｃの開放角度が規制部材２３ｇによって所定の角度に規制されている。これにより、エアバッグ２１の先端部は、図４に示すように、乗員Ｍの側面の方向に案内されて乗員Ｍの腰部に接触し、シート１０に着座した乗員Ｍを車幅方向中央部側に移動させる。   In the airbag 21 that is deployed to the outside through the projecting opening 23e, the opening angle of the guide member 23c is regulated to a predetermined angle by the regulating member 23g. As a result, as shown in FIG. 4, the front end portion of the airbag 21 is guided in the direction of the side surface of the occupant M to contact the waist of the occupant M, and the occupant M seated on the seat 10 Move to.

このように、本実施形態の乗員保護装置によれば、エアバッグ２１が収容され、エアバッグを突出させる突出口２３ｅが設けられたスライド部材２３ｂと、エアバッグ２１が展開する際に、スライド部材２３ｂの突出口２３ｅをシートクッション１１内からシートクッション１１外に向かって移動させる機構と、エアバッグケース２３に収容されたエアバッグ２１を所定の方向に向かって展開させるようにエアバッグ２１を案内する案内部材２３ｃと、を備えている。これにより、突出口２３ｅをシートクッション１１外に位置する状態でエアバッグ２１を展開させることができるので、確実に目的とする方向にエアバッグ２１を展開させることが可能となる。   Thus, according to the occupant protection device of the present embodiment, when the airbag 21 is deployed, the slide member 23b in which the airbag 21 is accommodated and provided with the projecting opening 23e for projecting the airbag is deployed. A mechanism for moving the projecting opening 23e of 23b from the inside of the seat cushion 11 to the outside of the seat cushion 11, and guiding the airbag 21 so that the airbag 21 housed in the airbag case 23 is deployed in a predetermined direction. And a guide member 23c. As a result, the airbag 21 can be deployed with the protruding port 23e positioned outside the seat cushion 11, so that the airbag 21 can be reliably deployed in the intended direction.

また、スライド部材２３ｂと案内部材２３ｃとの間には、突出口２３ｅに対する案内部材２３ｃの開放角度を所定の開放角度に規制するための規制部材２３ｇが設けられている。これにより、規制部材２３ｇを変更することによって、簡単に案内部材２３ｃの開放角度を変更することができるので、エアバッグ２１の展開する方向を容易に変更することが可能となる。   Further, between the slide member 23b and the guide member 23c, there is provided a regulating member 23g for regulating the opening angle of the guiding member 23c with respect to the protruding port 23e to a predetermined opening angle. Thereby, since the opening angle of the guide member 23c can be easily changed by changing the regulating member 23g, the direction in which the airbag 21 is deployed can be easily changed.

規制部材２３ｇは、案内部材２３ｃの開放開度を、展開するエアバッグ２１をシートに着座した乗員Ｍの方向に案内する角度に規制している。これにより、確実にエアバッグ２１をシートに着座した乗員Ｍの方向に案内することができるので、乗員Ｍの安全性の向上を図ることが可能となる。   The restricting member 23g restricts the opening degree of the guide member 23c to an angle that guides the deploying airbag 21 in the direction of the occupant M seated on the seat. Thereby, since the airbag 21 can be reliably guided in the direction of the occupant M seated on the seat, the safety of the occupant M can be improved.

また、スライド部材２３ｂの移動距離は、シート１０に着座した乗員Ｍの側面部にエアバッグ２１の先端が接触する移動距離Ｌ１に設定されている。これにより、エアバッグ２１によってシート１０に着座した乗員Ｍを確実に車幅方向中央部側に移動させることができるので、車両１の側面に側方から衝撃力が作用する場合に、車両１の側壁１ａが変形した場合においても、衝撃力が乗員に対して直接作用することを防止することができる。   Further, the moving distance of the slide member 23b is set to a moving distance L1 where the tip of the airbag 21 contacts the side surface portion of the occupant M seated on the seat 10. Accordingly, the occupant M seated on the seat 10 by the airbag 21 can be reliably moved toward the center in the vehicle width direction. Therefore, when an impact force acts on the side surface of the vehicle 1 from the side, Even when the side wall 1a is deformed, the impact force can be prevented from acting directly on the occupant.

図５および図６は本発明の第２の実施形態を示すものである。尚、前記実施形態と同様の構成部分には同一の符号を付して示す。   5 and 6 show a second embodiment of the present invention. In addition, the same code | symbol is attached | subjected and shown to the component similar to the said embodiment.

この乗員保護装置は、図５に示すように、エアバッグユニット２０が、シートクッション１１の側壁１ａ側の後部に設けられている。   In this occupant protection device, as shown in FIG. 5, the airbag unit 20 is provided at the rear portion of the seat cushion 11 on the side wall 1 a side.

以上のように構成された乗員保護装置において、エアバッグ２１は、スライド部材２３ｂの突出口２３ｅ側に向かって展開することで、スライド部材２３ｂをケース本体２３ａに対して上方に向かって移動させる。これにより、スライド部材２３ｂは、図６に示すように、クッション材およびシートカバーを破断させてシートクッション１１内から乗員Ｍ側に突出する。エアバッグ２１は、スライド部材２３ｂをシートクッション１１内から突出させると同時に、突出口２３ｅを閉鎖している案内部材２３ｃを押し開けて突出口２３ｅから突出して外部に展開する。   In the occupant protection device configured as described above, the airbag 21 moves toward the protrusion 23e side of the slide member 23b, thereby moving the slide member 23b upward with respect to the case body 23a. Thereby, as shown in FIG. 6, the slide member 23b breaks the cushion material and the seat cover and protrudes from the seat cushion 11 toward the occupant M side. The airbag 21 projects the slide member 23b from the seat cushion 11, and at the same time pushes and opens the guide member 23c that closes the projecting port 23e, projects from the projecting port 23e, and deploys to the outside.

突出口２３ｅから外部に展開するエアバッグ２１は、案内部材２３ｃの開放角度が規制部材２３ｇによって所定の角度に規制されている。これにより、図６に示すように、エアバッグ２１の先端部は、乗員Ｍの側面の方向に案内されて乗員Ｍの腰部に接触し、シート１０に着座した乗員Ｍを車幅方向中央部側に移動させる。   In the airbag 21 that is deployed to the outside through the projecting opening 23e, the opening angle of the guide member 23c is regulated to a predetermined angle by the regulating member 23g. As a result, as shown in FIG. 6, the front end portion of the airbag 21 is guided in the direction of the side surface of the occupant M to come into contact with the lumbar portion of the occupant M, so that the occupant M seated on the seat 10 Move to.

このように、本実施形態の乗員保護装置によれば、前記第１実施形態と同様に、突出口２３ｅをシートクッション１１外に位置する状態でエアバッグ２１を展開させることができるので、確実に目的とする方向にエアバッグ２１を展開させることが可能となる。   Thus, according to the occupant protection device of the present embodiment, the airbag 21 can be deployed with the protruding port 23e positioned outside the seat cushion 11, as in the first embodiment. The airbag 21 can be deployed in a target direction.

図７は、本発明の第３実施形態を示すものである。尚、前記実施形態と同様の構成部分には同一の符号を付して示す。   FIG. 7 shows a third embodiment of the present invention. In addition, the same code | symbol is attached | subjected and shown to the component similar to the said embodiment.

この乗員保護装置は、スライド部材２３ｂが、ケース本体２３ａに対して移動距離Ｌ２の範囲内で移動可能である。この移動距離Ｌ２は、第１実施形態の移動距離Ｌ１より大きく、シート１０に着座した乗員Ｍの前面側に沿ってエアバッグ２１の先端が通過可能な移動距離である。   In this occupant protection device, the slide member 23b is movable within the range of the movement distance L2 with respect to the case main body 23a. This movement distance L2 is larger than the movement distance L1 of the first embodiment, and is a movement distance through which the tip of the airbag 21 can pass along the front side of the occupant M seated on the seat 10.

以上のように構成された乗員保護装置において、車両１の側面に対して側方から所定以上の衝撃力が作用するとエアバッグ２１が展開され、エアバッグ２１の先端部は、図７に示すように、乗員Ｍの腹部に沿って展開し、シート１０に着座した乗員の衝撃力による移動が規制される。   In the occupant protection device configured as described above, when an impact force of a predetermined level or more acts on the side surface of the vehicle 1 from the side, the airbag 21 is deployed, and the distal end portion of the airbag 21 is as shown in FIG. In addition, the movement by the impact force of the occupant who is deployed along the abdomen of the occupant M and seated on the seat 10 is restricted.

このように、本実施形態の乗員保護装置によれば、スライド部材２３ｂの移動距離は、シート１０に着座した乗員Ｍの腹部に沿ってエアバッグ２１が通る移動距離Ｌ２に設定されている。これにより、車両１に衝撃力が作用する場合に、シート１０に着座した乗員Ｍの衝撃力による移動を規制することができるので、乗員Ｍの安全性を向上させることが可能となる。   Thus, according to the occupant protection device of the present embodiment, the movement distance of the slide member 23b is set to the movement distance L2 through which the airbag 21 passes along the abdomen of the occupant M seated on the seat 10. As a result, when an impact force acts on the vehicle 1, the movement of the occupant M seated on the seat 10 due to the impact force can be restricted, and thus the safety of the occupant M can be improved.

尚、前記実施形態では、本発明を車両１の前側のシート１０に適用したものを示したが、これに限られるものではなく、車両１の後部のシートに対しても適用可能である。   In the above-described embodiment, the present invention is applied to the front seat 10 of the vehicle 1. However, the present invention is not limited to this and can be applied to the rear seat of the vehicle 1.

また、前記実施形態では、スライド部材２３ｂと案内部材２３ｃとを支軸２３ｆによって回転自在に連結するようにしたものを示したが、これに限られるものではない。例えば、スライド部材２３ｂと案内部材２３ｃとを一部材で形成し、スライド部材２３ｂに対して案内部材２３ｃを屈曲することによって突出口を閉鎖するようにしてもよい。   In the above-described embodiment, the slide member 23b and the guide member 23c are rotatably connected by the support shaft 23f. However, the present invention is not limited to this. For example, the slide member 23b and the guide member 23c may be formed as a single member, and the guide member 23c may be bent with respect to the slide member 23b to close the protruding port.

また、前記実施形態では、スライド部材２３ｂの突出口２３ｅを案内部材２３ｃによって閉鎖するようにしたものを示したが、これに限られるものではない。例えば、展開するエアバッグ２１を案内可能であれば、突出口２３ｅの少なくとも一部を閉鎖するものであればよい。   Moreover, although the said embodiment showed what closed the protrusion 23e of the slide member 23b with the guide member 23c, it is not restricted to this. For example, as long as the airbag 21 to be deployed can be guided, it is sufficient that at least a part of the protruding port 23e is closed.

また、前記実施形態では、エアバッグ２１の展開する力によってケース本体２３ａに対してスライド部材２３ｂを移動させるようにしたものを示したが、これに限られるものではない。例えば、ケース本体２３ａに対してスライド部材２３ｂを移動させる動力源を別途設けるようにしてもよい。   In the above-described embodiment, the slide member 23b is moved with respect to the case main body 23a by the force developed by the airbag 21, but the present invention is not limited to this. For example, a power source for moving the slide member 23b relative to the case body 23a may be provided separately.

１…車両、１ａ…側壁、１０…シート、１１…シートクッション、１２…シートバック、２０…エアバッグユニット、２１…エアバッグ、２３…エアバッグケース、２３ａ…ケース本体、２３ｂ…スライド部材、２３ｃ…案内部材、２３ｅ…突出口、２３ｆ…支軸、２３ｇ…規制部材。
DESCRIPTION OF SYMBOLS 1 ... Vehicle, 1a ... Side wall, 10 ... Seat, 11 ... Seat cushion, 12 ... Seat back, 20 ... Air bag unit, 21 ... Air bag, 23 ... Air bag case, 23a ... Case main body, 23b ... Slide member, 23c ... guide member, 23e ... projection port, 23f ... support shaft, 23g ... regulating member.

Claims (5)

シート内の車両側壁側に設けられ、前記シートに着座した乗員と前記車両の前記側壁との間に展開するエアバッグを備えた乗員保護装置において、
前記エアバッグが収容され、前記エアバッグを突出させる突出口が設けられた収容部材と、
前記エアバッグが展開する際に、前記収容部材の前記突出口を前記シート内から前記シート外に移動させる移動機構と、
前記収容部材に収容された前記エアバッグを所定の方向に向かって展開させるように前記エアバッグを案内する案内部材と、を備えた
ことを特徴とする乗員保護装置。 In an occupant protection device provided with an airbag that is provided on a vehicle side wall side in a seat and that is deployed between an occupant seated on the seat and the side wall of the vehicle
A housing member in which the airbag is housed and provided with a projecting opening for projecting the airbag;
A moving mechanism that moves the protruding port of the housing member from the inside of the seat to the outside of the seat when the airbag is deployed;
An occupant protection device, comprising: a guide member that guides the airbag so that the airbag accommodated in the accommodation member is deployed in a predetermined direction. 前記案内部材は、前記突出口の少なくとも一部を閉鎖するとともに、展開する前記エアバッグによって押し開けられるように構成され、
前記収容部材と前記案内部材との間には、前記突出口に対する前記案内部材の開度を所定の開度に規制する開度規制手段が設けられている
ことを特徴とする請求項１記載の乗員保護装置。 The guide member is configured to close at least a part of the projecting opening and be pushed open by the airbag to be deployed,
The opening degree restricting means for restricting the opening degree of the guide member with respect to the projecting opening to a predetermined opening degree is provided between the housing member and the guide member. Crew protection device. 前記開度規制手段は、前記案内部材の開度を、展開する前記エアバッグを前記シートに着座した乗員の方向に案内する開度に規制している
ことを特徴とする請求項２記載の乗員保護装置。 The occupant according to claim 2, wherein the opening degree restricting means restricts the opening degree of the guide member to an opening degree that guides the airbag to be deployed toward the occupant seated on the seat. Protective device. 前記移動機構は、展開する前記エアバッグの先端が前記シートに着座した乗員の体の側面部に接触可能な位置まで前記突出口を移動させる
ことを特徴とする請求項１乃至３のいずれかに記載の乗員保護装置。 The said moving mechanism moves the said protrusion port to the position where the front-end | tip of the said airbag to expand | deploy can contact the side part of the passenger | crew's body seated on the said sheet | seat. The occupant protection device described. 前記移動機構は、展開する前記エアバッグの先端が前記シートに着座した乗員の体の前面側を通過可能な位置まで前記突出口を移動させる
ことを特徴とする請求項１乃至３のいずれかに記載の乗員保護装置。
The said movement mechanism moves the said protrusion port to the position which the front-end | tip side of the passenger | crew's body seated on the said seat can pass the front-end | tip of the said airbag to expand | deploy. The occupant protection device described.
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