JP2017149331A - Vehicle structure - Google Patents

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JP2017149331A
JP2017149331A JP2016034794A JP2016034794A JP2017149331A JP 2017149331 A JP2017149331 A JP 2017149331A JP 2016034794 A JP2016034794 A JP 2016034794A JP 2016034794 A JP2016034794 A JP 2016034794A JP 2017149331 A JP2017149331 A JP 2017149331A
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airbag
vehicle
seat
crossing
vehicle structure
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JP6775274B2 (en
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智知 近藤
Tomokazu Kondo
智知 近藤
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Daihatsu Motor Co Ltd
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Daihatsu Motor Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a vehicle structure capable of reducing an injury value of occupants who seat on two seats which face each other in a cross direction of a vehicle.SOLUTION: There is provided a vehicle structure 1 which can make a state of two seats 2, 3 arranged in a cross direction of a vehicle a facing state. The vehicle structure 1 has a traverse airbag 4 which is expanded so as to traverse a space between the two seats 2, 3 in a facing state. By providing the traverse airbag 4, the traverse airbag 4 cuts into a space between occupants 2h, 3h who seat on the seats 2, 3 during collision, so that an injury value of the occupants 2h, 3h can be reduced.SELECTED DRAWING: Figure 2

Description

本発明は、車両の前後方向に並ぶ二つのシートを対面した状態にできる車両構造であって、当該シートの乗員の傷害値を低減できる車両構造に関する。   The present invention relates to a vehicle structure capable of bringing two seats arranged in the front-rear direction of the vehicle into a state of facing each other, and relates to a vehicle structure capable of reducing an injury value of an occupant of the seat.

車両の中には、車両の前後方向に並ぶ二つのシートを対面した状態にできる車両がある。例えば、特許文献1には、フロントシートの後方に、車両の前後方向に並ぶ前側リヤシートと後側リヤシートを備える車両構造であって、前側リヤシートを車両の後方に回転させることで、前側リヤシートと後側リヤシートとを対面させることができる車両構造が開示されている。また、リムジンや一部のタクシーなどのように前側リヤシートと後側リヤシートとが対面した状態で固定された車両構造を備える車両もある。   Among vehicles, there is a vehicle in which two seats arranged in the front-rear direction of the vehicle can face each other. For example, Patent Document 1 discloses a vehicle structure including a front rear seat and a rear rear seat arranged in the front-rear direction of a vehicle behind a front seat, and the front rear seat and the rear rear by rotating the front rear seat rearward of the vehicle. There is disclosed a vehicle structure that can face a side rear seat. Some vehicles have a vehicle structure such as a limousine or some taxis that are fixed with the front and rear rear seats facing each other.

特開2009−298306号公報JP 2009-298306 A

対面した状態にある二つのシートに座る乗員の傷害値を低減する構成は、各シートに備わるシートベルトである。しかし、前面衝突事故や追突事故が発生したとき、前側にあるシートの乗員は仰け反り、後側にあるシートの乗員は前のめりになる。その際、前側にあるシートの乗員の膝が後側にあるシートの乗員の顔面に当たる可能性がある。   A configuration for reducing the injury value of an occupant sitting on two seats facing each other is a seat belt provided in each seat. However, when a frontal collision accident or rear-end collision occurs, the seat occupant on the front side turns back and the seat occupant on the rear side turns forward. At that time, there is a possibility that the knee of the passenger on the front seat hits the face of the passenger on the rear seat.

本発明は上記事情に鑑みてなされたものであり、その目的の一つは、車両の前後方向に対面した状態にある二つのシートに座る乗員の傷害値を低減できる車両構造を提供することにある。   The present invention has been made in view of the above circumstances, and one of its purposes is to provide a vehicle structure that can reduce the injury value of an occupant sitting on two seats facing each other in the longitudinal direction of the vehicle. is there.

本発明の一態様に係る車両構造は、車両の前後方向に並ぶ二つのシートを対面した状態にできる車両構造であって、対面した状態にある前記二つのシートの間を横切るように展開する横断エアバッグを備える。   A vehicle structure according to an aspect of the present invention is a vehicle structure in which two seats arranged in the front-rear direction of the vehicle can face each other, and extends across the two seats facing each other. An air bag is provided.

車両の前後方向に対面した状態にある二つのシートの間を横切るように展開する横断エアバッグを設けることで、衝突事故時に両シートに座る乗員の間に横断エアバッグが割り込み、乗員の傷害値を低減できる。   By installing a crossing airbag that extends across two seats facing each other in the longitudinal direction of the vehicle, the crossing airbag interrupts between the passengers sitting on both seats in the event of a collision, and the injury value of the passenger Can be reduced.

車室の側方から展開する横断エアバッグを備える車両構造の概略構成図である。It is a schematic block diagram of a vehicle structure provided with the crossing airbag developed from the side of a compartment. 前面衝突事故が発生したときの乗員の動きを説明する説明図である。It is explanatory drawing explaining a passenger | crew's movement when a front collision accident generate | occur | produces. 突き合わせ式の横断エアバッグの第一形態を示す概略図である。It is the schematic which shows the 1st form of a butting type crossing airbag. 突き合わせ式の横断エアバッグの第二形態を示す概略図である。It is the schematic which shows the 2nd form of a butting type crossing airbag. 突き合わせ式の横断エアバッグの第三形態を示す概略図である。It is the schematic which shows the 3rd form of a butting type crossing airbag. 車室の床面から展開する横断エアバッグを備える車両構造の概略構成図である。It is a schematic block diagram of a vehicle structure provided with the crossing airbag developed from the floor surface of a passenger compartment.

以下、図面を参照して、横断エアバッグを備える本発明の車両構造を具体的に説明する。なお、本発明は、これらの例示に限定されず、特許請求の範囲によって示され、特許請求の範囲と均等の意味および範囲内でのすべての変更が含まれることが意図される。   Hereinafter, the vehicle structure of the present invention including a crossing airbag will be described in detail with reference to the drawings. In addition, this invention is not limited to these illustrations, is shown by the claim, and it is intended that all the changes within the meaning and range equivalent to a claim are included.

<実施形態1>
図1は、車両構造1の車室の概略図であって、紙面左側が車両前方FS、紙面右側が車両後方BSである。この車両構造1は、フロントシートの後側に、車両の前後方向に並ぶ前側リヤシート2と後側リヤシート3とを備え、両リヤシート2,3は対面した状態になっている。両リヤシート2,3は、対面した状態で固定されていても良いし、必要に応じて対面させることができるように構成されていても良い。この車両構造1の特徴の一つとして、対面する前側リヤシート2と後側リヤシート3との間を横切るように展開する横断エアバッグ4を備える点を挙げることができる。
<Embodiment 1>
FIG. 1 is a schematic view of a passenger compartment of a vehicle structure 1, in which the left side of the paper is the front FS of the vehicle and the right side of the paper is the rear BS of the vehicle. The vehicle structure 1 includes a front rear seat 2 and a rear rear seat 3 arranged in the front-rear direction of the vehicle on the rear side of the front seat, and both the rear seats 2 and 3 face each other. Both rear seats 2 and 3 may be fixed in a face-to-face state, or may be configured to face each other as necessary. One of the features of the vehicle structure 1 is that it includes a crossing airbag 4 that extends so as to cross between the front rear seat 2 and the rear rear seat 3 that face each other.

≪横断エアバッグ≫
図1では、横断エアバッグ4が展開された状態が示されている。本例の横断エアバッグ4は、車両の幅方向の右側にあるドアトリム5Rから矢印の方向(図示しない左側のドアトリムの方向)に向って展開するように構成されている。もちろん、図示しない左側のドアトリムから右側のドアトリム5Rに向って横断エアバッグ4が展開されるようにすることもできる。この横断エアバッグ4は、運転席用エアバッグなどの他のエアバッグと同様に、常時はドアトリム5Rに収納された状態になっており、衝突事故時に展開する。横断エアバッグ4の展開のタイミングを含む作動制御は、他のエアバッグの作動制御と同様に行なえば良い。
≪Cross airbags≫
FIG. 1 shows a state in which the crossing airbag 4 is deployed. The transverse airbag 4 of this example is configured to be deployed from the door trim 5R on the right side in the vehicle width direction in the direction of the arrow (the direction of the left door trim (not shown)). Of course, the transverse airbag 4 can be deployed from the left door trim (not shown) toward the right door trim 5R. This crossing airbag 4 is normally stored in the door trim 5R, and is deployed at the time of a collision accident, like other airbags such as a driver airbag. The operation control including the deployment timing of the crossing airbag 4 may be performed in the same manner as the operation control of other airbags.

本例の横断エアバッグ4は、図示するように、右側のドアトリム5Rから展開され、ドアトリム5Rに片持ち状に支持されている。横断エアバッグ4の長さは、車室の幅とほぼ同じとすることが好ましい。また、横断エアバッグ4の横断面形状や太さは適宜選択することができる。   As shown in the figure, the transverse airbag 4 of this example is deployed from the right door trim 5R and is supported by the door trim 5R in a cantilever manner. The length of the transverse airbag 4 is preferably substantially the same as the width of the passenger compartment. Moreover, the cross-sectional shape and thickness of the crossing airbag 4 can be selected suitably.

横断エアバッグ4の展開位置、即ち車室内で横断エアバッグ4が展開する高さは、図2に示すように、リヤシート2,3に座った乗員2h,3hの膝付近とすることが好ましい。図2は、前面衝突事故の発生前期の乗員2h,3hの動きを示している。前面衝突事故が発生したとき、前側リヤシート2の乗員2hは慣性力で車両前方FSに移動し、乗員2hの背中が前側リヤシート2に押し付けられ、乗員2hの下半身は前側リヤシート2からずり落ちる。一方、後側リヤシート3の乗員3hも慣性力で車両前方FSに移動し、乗員3hの上半身が後側リヤシート3から起き上がる。このとき、乗員2h,3hの膝付近に横断エアバッグ4が展開していると、横断エアバッグ4が乗員2h,3hの膝の移動を抑制することで乗員2h,3hの姿勢の変化を抑制し、姿勢変化に伴って乗員2h,3hにかかる負荷を軽減する。また、乗員2hの膝が横断エアバッグ4に当たることで、乗員2hの膝が乗員3hの頭部に当たるなどの乗員2h,3h同士の接触を抑制できる。   The deployment position of the transverse airbag 4, that is, the height at which the transverse airbag 4 is deployed in the passenger compartment, is preferably in the vicinity of the knees of the occupants 2h and 3h sitting on the rear seats 2 and 3, as shown in FIG. FIG. 2 shows the movement of the occupants 2h and 3h in the first half of the occurrence of the frontal collision accident. When a frontal collision accident occurs, the occupant 2h of the front rear seat 2 moves to the vehicle front FS with inertial force, the back of the occupant 2h is pressed against the front rear seat 2, and the lower half of the occupant 2h slides down from the front rear seat 2. On the other hand, the occupant 3h of the rear rear seat 3 also moves to the vehicle front FS with inertial force, and the upper body of the occupant 3h rises from the rear rear seat 3. At this time, if the crossing airbag 4 is deployed in the vicinity of the knees of the occupants 2h and 3h, the crossing airbag 4 suppresses the movement of the occupants 2h and 3h, thereby suppressing changes in the posture of the occupants 2h and 3h. Then, the load on the occupants 2h and 3h accompanying the posture change is reduced. Further, when the knee of the occupant 2h hits the crossing airbag 4, contact between the occupants 2h and 3h, such as the knee of the occupant 2h hitting the head of the occupant 3h, can be suppressed.

前面衝突事故の発生後期には、図2とは逆に、乗員2hの上半身が前側リヤシート2から起き上がり、乗員3hの上半身が後側リヤシート3に押し付けられる。このときにも、横断エアバッグ4は、乗員2h,3hの膝の移動を抑制して乗員2h,3hの負担を軽減すると共に、乗員2h,3h同士の接触を抑制する。   In the latter half of the occurrence of the frontal collision accident, contrary to FIG. 2, the upper body of the passenger 2 h rises from the front rear seat 2, and the upper body of the passenger 3 h is pressed against the rear rear seat 3. Also at this time, the crossing airbag 4 suppresses the movement of the occupants 2h and 3h to reduce the burden on the occupants 2h and 3h, and suppresses the contact between the occupants 2h and 3h.

<実施形態2>
実施形態1の横断エアバッグ4は、一つのエアバッグが一方のドアトリムに片持ち状に支持されている。これに対して、右側のドアトリムと左側のドアトリムからそれぞれ、分割エアバッグが展開し、車室の中央で二つの分割エアバッグが突き合わされた状態となることで横断エアバッグが形成されるようにしても構わない。
<Embodiment 2>
In the transverse airbag 4 of the first embodiment, one airbag is supported in a cantilever manner on one door trim. On the other hand, the split airbag is deployed from the right door trim and the left door trim, respectively, and the two split airbags are brought into contact with each other at the center of the passenger compartment so that a transverse airbag is formed. It doesn't matter.

図3は、車両前方から車両後方に向って横断エアバッグ4を見たときの突き合わせ式の横断エアバッグ4の概略図である。本例の横断エアバッグ4は、車両の右側(紙面上は左側)のドアトリム5Rから展開される分割エアバッグ4Rと、車両の左側(紙面上は右側)のドアトリム5Lから展開される分割エアバッグ4Lと、で構成されている。両分割エアバッグ4R,4Lは車室の車幅方向の中央で突き合わされることで、車室を横断する横断エアバッグ4となる。この両分割エアバッグ4R,4Lの突き合わせ面は斜めになっており、両分割エアバッグ4R,4Lの突き合わせ状態が解除され難くなっている。突き合わせ面には、ゴム材などを配置しておくことが好ましく、そうすることで突き合わせ状態が解除され難くなる。   FIG. 3 is a schematic view of the butt-type crossing airbag 4 when the crossing airbag 4 is viewed from the front of the vehicle toward the rear of the vehicle. The transverse airbag 4 of this example includes a split airbag 4R that is deployed from the door trim 5R on the right side (left side on the paper surface) of the vehicle and a split airbag that is deployed from the door trim 5L on the left side (right side on the paper surface) of the vehicle. 4L. The two divided airbags 4R and 4L are abutted at the center in the vehicle width direction of the passenger compartment, thereby forming a transverse airbag 4 that crosses the passenger compartment. The abutting surfaces of the two divided airbags 4R and 4L are slanted, and the abutting state of the two divided airbags 4R and 4L is difficult to be released. It is preferable to arrange a rubber material or the like on the abutting surface, so that the abutting state is hardly released.

図4は、図3に示す横断エアバッグ4の下部に窪み40を形成した横断エアバッグ4である。窪み40は、衝突事故時に乗員の膝が配置される部分であって、乗員の膝の位置を安定させる機能を持つ。膝の位置を安定させることができれば、乗員の姿勢変化を抑制し易く、乗員にかかる負荷を低減できる。なお、窪み40は、実施形態1の片持ち状の横断エアバッグ4(図1,2)に適用することもできるし、後述する図5の構成や実施形態3の構成にも適用することができる。   4 shows the transverse airbag 4 in which a recess 40 is formed in the lower part of the transverse airbag 4 shown in FIG. The dent 40 is a portion where the occupant's knee is disposed in the event of a collision accident, and has a function of stabilizing the position of the occupant's knee. If the knee position can be stabilized, it is easy to suppress the posture change of the occupant and the load on the occupant can be reduced. The depression 40 can be applied to the cantilevered transverse airbag 4 (FIGS. 1 and 2) of the first embodiment, and can also be applied to the configuration of FIG. 5 and the configuration of the third embodiment which will be described later. it can.

図5は、分割エアバッグ4R,4Lの突き合わせ部分が膨張時に引っ掛かって、結合した状態が維持される横断エアバッグ4である。当該突き合わせ部分が引っ掛かりとなり、分割エアバッグ4R,4Lの突き合わせ状態がより解除され難くなる。ここで、分割エアバッグ4R,4Lは、膨らみながら係合されるので、突き合わせ部分が上記引っ掛かる形状となっていても、問題なく両分割エアバッグ4R,4Lが係合される。   FIG. 5 shows the transverse airbag 4 in which the butted portions of the divided airbags 4R and 4L are hooked when inflated to maintain the joined state. The butted portion becomes a catch, and the butted state of the divided airbags 4R and 4L is more difficult to be released. Here, since the divided airbags 4R and 4L are engaged while being inflated, both the divided airbags 4R and 4L can be engaged without any problem even if the butted portion has the above-described shape.

<実施形態3>
実施形態1,2ではドアトリムから横断エアバッグ4が展開する構成を説明した。しかし、横断エアバッグ4の展開の起点となる位置、即ち通常時に横断エアバッグ4が収納される位置は、ドアトリムに限定されるわけではない。例えば、ピラーから横断エアバッグ4が展開されるようにしても良い。また、車室の天井や床面から横断エアバッグ4が展開する構成とすることもできる。本例では、車室の床面から横断エアバッグ4が展開する例を図6に基づいて説明する。
<Embodiment 3>
In the first and second embodiments, the configuration in which the crossing airbag 4 is deployed from the door trim has been described. However, the position from which the crossing airbag 4 is deployed, that is, the position where the crossing airbag 4 is normally stored, is not limited to the door trim. For example, the crossing airbag 4 may be deployed from the pillar. Moreover, it can also be set as the structure which the crossing airbag 4 expand | deploys from the ceiling or floor surface of a vehicle interior. In this example, an example in which the crossing airbag 4 is deployed from the floor of the passenger compartment will be described with reference to FIG.

図6に示す車両構造1では、床面から天井に向って横断エアバッグ4が膨らむ構成となっている。この場合も、横断エアバッグ4が前側リヤシート2と後側リヤシート3との間を横切るように展開するので、乗員の傷害値を低減できる。横断エアバッグ4は、ほぼ車幅方向の全長に及ぶ長さを有する一つのエアバッグとすると良い。床面は比較的、横断エアバッグ4の収納スペースを確保し易く、容易に設置できる点で好ましい。   In the vehicle structure 1 shown in FIG. 6, the crossing airbag 4 is inflated from the floor surface toward the ceiling. Also in this case, since the transverse airbag 4 is deployed so as to cross between the front rear seat 2 and the rear rear seat 3, the injury value of the occupant can be reduced. The crossing airbag 4 may be a single airbag having a length that extends substantially over the entire length in the vehicle width direction. The floor surface is preferable in that it is relatively easy to secure a storage space for the transverse airbag 4 and can be easily installed.

<実施形態4>
近年、自動運転の開発が盛んである。自動運転では、運転席とリヤシートとを対面させたり、助手席とリヤシートとを対面させたりすることが考えられる。その場合の乗員の安全性の向上に、実施形態1〜3の構成を適用することもできる。例えば、運転席と助手席を車両後方に向け、リヤシートと対面させる場合、衝突事故時にセンターピラー(Bピラー)や床面、天井などから横断エアバッグが展開され、運転席(助手席)とリヤシートとの間に割り込むように構成する。
<Embodiment 4>
In recent years, automatic driving has been actively developed. In automatic driving, it is conceivable that the driver's seat and the rear seat face each other, or the passenger seat and the rear seat face each other. In this case, the configurations of the first to third embodiments can be applied to improve the safety of the passenger. For example, when the driver's seat and passenger's seat face the rear of the vehicle and face the rear seat, a crossing airbag is deployed from the center pillar (B-pillar), floor, ceiling, etc. in the event of a collision, and the driver's seat (passenger seat) and rear seat It is configured to interrupt between.

本発明の車両構造は、車両の衝突安全性を向上させることに好適に利用できる。   The vehicle structure of the present invention can be suitably used for improving the collision safety of a vehicle.

1 車両構造 FS 車両前方 BS 車両後方
2 前側リヤシート 2h 乗員
3 後側リヤシート 3h 乗員
4 横断エアバッグ 4R,4L 分割エアバッグ 40 窪み
5R,5L ドアトリム
DESCRIPTION OF SYMBOLS 1 Vehicle structure FS Vehicle front BS Vehicle rear 2 Front side rear seat 2h Crew 3 Rear side rear seat 3h Crew 4 Crossing airbag 4R, 4L Divided airbag 40 Depression 5R, 5L Door trim

Claims (1)

車両の前後方向に並ぶ二つのシートを対面した状態にできる車両構造であって、
対面した状態にある前記二つのシートの間を横切るように展開する横断エアバッグを備える車両構造。
A vehicle structure capable of facing two seats arranged in the front-rear direction of the vehicle,
A vehicle structure comprising a transverse airbag that is deployed so as to cross between the two seats facing each other.
JP2016034794A 2016-02-25 2016-02-25 Vehicle structure Active JP6775274B2 (en)

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JP2017149331A true JP2017149331A (en) 2017-08-31
JP6775274B2 JP6775274B2 (en) 2020-10-28

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EP3623209A1 (en) 2018-09-12 2020-03-18 Toyota Jidosha Kabushiki Kaisha Rear-facing occupant protection device
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EP3616981A1 (en) 2018-08-30 2020-03-04 Toyota Jidosha Kabushiki Kaisha Vehicle seat
EP3623209A1 (en) 2018-09-12 2020-03-18 Toyota Jidosha Kabushiki Kaisha Rear-facing occupant protection device
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US11267431B2 (en) 2019-06-04 2022-03-08 Toyota Jidosha Kabushiki Kaisha Occupant protective apparatus including an inflatable partition

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