WO2016147732A1 - Dispositif de coussin de sécurité gonflable - Google Patents

Dispositif de coussin de sécurité gonflable Download PDF

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Publication number
WO2016147732A1
WO2016147732A1 PCT/JP2016/053290 JP2016053290W WO2016147732A1 WO 2016147732 A1 WO2016147732 A1 WO 2016147732A1 JP 2016053290 W JP2016053290 W JP 2016053290W WO 2016147732 A1 WO2016147732 A1 WO 2016147732A1
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WO
WIPO (PCT)
Prior art keywords
bag
sub
panel
main
main bag
Prior art date
Application number
PCT/JP2016/053290
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English (en)
Japanese (ja)
Inventor
智弘 住谷
夏衣 前西
Original Assignee
オートリブ ディベロップメント エービー
智弘 住谷
夏衣 前西
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by オートリブ ディベロップメント エービー, 智弘 住谷, 夏衣 前西 filed Critical オートリブ ディベロップメント エービー
Priority to JP2017506136A priority Critical patent/JP6513184B2/ja
Publication of WO2016147732A1 publication Critical patent/WO2016147732A1/fr

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    • 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
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/205—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in dashboards
    • 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
    • B60R21/2334—Expansion control features
    • B60R21/2338—Tethers

Definitions

  • the present invention relates to an airbag device that protects an occupant in a vehicle by deploying the airbag.
  • the present invention relates to an airbag device for a passenger seat that is disposed inside an instrument panel (instrument panel) of a vehicle and mainly protects passengers in the passenger seat.
  • a passenger airbag device employs a structure in which an inflator that generates inflation gas and an airbag that is inflated and deployed by the gas are accommodated inside the instrument panel.
  • the inflator is actuated to inflate the airbag and deploy toward the inside of the vehicle to restrain the passenger from moving forward.
  • FIG. 1 is a plan view showing a structure of a conventional vehicle (left-hand drive specification) equipped with an airbag device in a driver seat and a passenger seat, and is 0 with respect to an object (obstacle) at a position shifted from the front. Shows approach at an angle of °.
  • a driver's seat airbag 16 is accommodated inside the steering wheel 14 located in front of the driver 10 and is deployed toward the occupant when a collision occurs.
  • Inside the instrument panel (24) located in front of the passenger 12 in the passenger seat an airbag 18 for the passenger seat is accommodated and deployed toward the passenger when a collision occurs.
  • the airbags 14 and 18 are inflated by an inflation gas supplied from an inflator (not shown) that is operated by a signal from the collision sensor.
  • FIG. 2 is a plan view showing a structure of a conventional vehicle in which an airbag device is mounted on a driver seat and a passenger seat, and enters at a predetermined angle ⁇ with respect to an object (obstacle) at a position shifted from the front. It shows how to do.
  • FIG. 3 shows how the vehicle body rotates after colliding with an object (obstacle) in the state of FIG.
  • the passenger 12 in the passenger seat slides beside the passenger seat airbag 18 and collides with the center console between the driver seat and the passenger seat.
  • This brain injury index is called BRIC (BrainBRotational Injury Criteria).
  • the present invention has been made in view of the above situation, and an object of the present invention is to provide an airbag device capable of obtaining a stable deployment behavior of an airbag while having a simple structure.
  • an airbag used in an airbag device is a main bag that is deployed in front of an occupant seated on a seat and restrains the occupant from moving forward; A sub-bag located on at least one side of the bag; a main bag panel disposed inside the main bag and restricting a deployed shape of the main bag; and disposed within the sub-bag, A sub-bag panel that regulates the unfolded shape. And when the main bag panel and the sub bag panel are seen through, at least one element of the position in the front-rear direction, the position in the vertical direction, and the inclination angle when viewed from the side is different from each other.
  • the “side” of the main bag region is a position shifted in the lateral direction of the vehicle with respect to a line passing through the center of the seat of the occupant to be protected by the airbag. It can be said that it is outside the main part of the main bag region that protects the passenger.
  • a subbag may be arrange
  • the “front-rear direction” is a front-rear direction when the traveling direction of the vehicle is the front and the opposite direction is the rear.
  • An inclination angle when viewed from the side surface” means an angle of inclination based on a height difference between the front end portion and the rear end portion when seen through from the side surface.
  • the main bag panel and the sub-bag panel are deployed as a whole by disposing at least one element of the position in the front-rear direction, the position in the up-down direction, and the inclination angle when viewed from the side so as to be different from each other.
  • the shape can be set relatively freely. For example, it is possible to suppress interference between two adjacent bags when inflated and deployed.
  • the main bag panel and the sub bag panel are preferably arranged so that the maximum width position of the main bag and the maximum width position of the sub bag do not interfere with each other.
  • the maximum width portions of the two adjacent bags interfere with each other, and the adverse effect on the deployed shape and deployment behavior of the entire airbag can be suppressed.
  • the deployment behavior is further stabilized by arranging the convex portion of one bag and the concave portion of the other bag to face (contact).
  • the main bag panel and the sub bag panel can be formed into a rectangular shape, and the first side of the main bag panel and the second side facing the first side can be connected to the left and right inner surfaces of the main bag by sewing. . Similarly, the first side of the sub-bag panel and the second side facing the first side can be connected to the left and right inner surfaces of the sub-bag by sewing.
  • the main bag panel and the sub bag panel can each be formed into a trapezoid.
  • the long bottom side of the trapezoid of the main bag panel and the short bottom side of the trapezoid of the sub bag panel are located on the same side in the front-rear direction, and the short bottom side of the trapezoid of the main bag panel and the long bottom side of the trapezoid of the sub bag panel.
  • the main bag panel is inclined so that the front is low and the rear is high, and the sub bag panel is inclined so that the front is high and the rear is low. Moreover, it can arrange
  • the “highest rank” means a portion located on the uppermost side of the panel.
  • the maximum width position is slightly above the center and the expansion of the expansion gas by the sub-bag panel quickly expands the upper portion of the bag so that the occupant can move laterally and the head. It becomes possible to restrain rotation quickly.
  • FIG. 1 is a plan view showing the structure of a conventional vehicle in which an airbag device is mounted in a driver seat and a passenger seat, and enters at an angle of 0 ° with respect to an object (obstacle) at a position shifted from the front. It shows how to do.
  • FIG. 2 is a plan view showing a structure of a conventional vehicle in which an airbag device is mounted on a driver seat and a passenger seat, and enters at a predetermined angle ⁇ with respect to an object (obstacle) at a position shifted from the front. It shows how to do.
  • FIG. 1 is a plan view showing the structure of a conventional vehicle in which an airbag device is mounted in a driver seat and a passenger seat, and enters at an angle of 0 ° with respect to an object (obstacle) at a position shifted from the front. It shows how to do.
  • FIG. 2 is a plan view showing a structure of a conventional vehicle in which an airbag device is mounted on a driver seat and
  • FIG. 3 is a plan view showing the structure of a conventional vehicle in which an airbag device is mounted in the driver's seat and the passenger seat, and enters at a predetermined angle ⁇ with respect to an object (obstacle) at a position shifted from the front. Then, it shows how the car body rotates.
  • FIG. 4 is a plan view showing a schematic configuration of a vehicle equipped with the airbag apparatus according to the present invention.
  • FIG. 5 is a perspective view of a state in which the airbag of the airbag apparatus according to the present invention is deployed.
  • (A) is a plan view (top view)
  • (B) is a side view
  • (C) is a front view. is there.
  • FIG. 6A and 6B are plan views showing the structure of a panel applicable to the airbag according to the present invention.
  • FIG. 7 is a set of a side view and a front view showing the structure of the airbag apparatus according to the present invention.
  • (A) shows both the main bag and the sub bag
  • (B) shows only the sub bag
  • (C ) Shows only the main bag.
  • FIG. 8 shows the structure of the airbag apparatus according to the present invention, in which (A) is a plan view and (B) is a side view.
  • 9A is a cross-sectional view in the AA direction of FIG. 8
  • (B) is a cross-sectional view in the BB direction
  • (C) is a cross-sectional view in the CC direction.
  • FIG. 10 is a side view for explaining the operation of the airbag apparatus according to the present invention.
  • FIG. 4 is a plan view showing a schematic configuration of a vehicle equipped with the airbag apparatus according to the present invention.
  • the airbag apparatus according to the present invention a main bag 18 that is deployed in front of an occupant seated on a seat and restrains the occupant from moving forward; is located on at least one side (for example, the vehicle center side) of the main bag 18 A subbag 20.
  • FIG. 5 is a perspective view of the airbag deployed in the airbag apparatus according to the present invention, wherein (A) is a plan view (top view), (B) is a side view, and (C) is a front view. is there.
  • FIG. 6 is a plan view showing the structure of a panel applicable to the airbag according to the present invention.
  • FIG. 7 is a set of a side view and a front view showing the structure of the airbag apparatus according to the present invention.
  • (A) shows both the main bag and the sub bag
  • (B) shows only the sub bag
  • FIG. 8 shows the structure of the airbag apparatus according to the present invention, in which (A) is a plan view and (B) is a side view.
  • FIG. 9A is a cross-sectional view in the AA direction of FIG. 8
  • B is a cross-sectional view in the BB direction
  • C is a cross-sectional view in the CC direction.
  • the airbag used in the airbag apparatus is disposed inside the main bag 18 and regulates the deployed shape of the main bag 18. 26; and a sub bag panel 28 that is disposed inside the sub bag 20 and regulates the deployed shape of the sub bag 20.
  • the main bag 18 is formed so as to expand greatly in the left-right direction compared to the sub bag 20.
  • the sub bag 20 is formed on the left side (center console side) of the main bag 18 so as to protrude toward the occupant side (rear side) from the main bag 18, thereby restraining the movement of the occupant in the lateral direction.
  • the rotation of the head can be suppressed.
  • the upper back of the main bag 18 and the upper back of the sub bag 20 are connected by a tether 22. Further, the occupant side (rear) lower portion of the main bag 18 and the occupant side (rear) lower portion of the sub bag 20 are connected by a tie panel 24. By the tether 22 and the tie panel 24, the relative positional relationship between the two bags 18 and 20 is maintained well.
  • the main bag panel 26 arranged in the main bag 18 and the sub bag panel 28 arranged in the sub bag 20 will be described in detail.
  • the main bag panel 26 is formed into a trapezoid having bottom sides 26a and 26b, and the widths of the bottom sides 26a and 26b are expressed as W4 and W3, respectively.
  • W4 is set to be smaller than W3.
  • W4 and W3 can have the same width, or W4 can be set to be larger than W3.
  • the base 26a becomes a rear edge (occupant side end), and the base 26b becomes a front edge (dashboard side end).
  • the sub-bag panel 28 is formed into a trapezoid having bottom sides 28a and 28b, and the widths of the bottom sides 28a and 28b are expressed as W2 and W1, respectively.
  • W1 is set to be smaller than W2.
  • W1 and W2 can be set to have the same width, or W1 can be set to be larger than W2.
  • the base 28a becomes a rear edge (occupant side end), and the base 28b becomes a front edge (dashboard side end).
  • the side of the main bag panel 26 other than the bottom sides 26a and 26b is fixed to the inner surface of the main bag 18 by sewing.
  • the sides other than the bottom sides 28a and 28b are fixed to the inner side surface of the main bag 20 by sewing.
  • the sewing positions of the main bag panel 26 and the sub bag panel 28 are clearly shown in FIG. 5 (B), FIG. 7, FIG. 8 (B), and FIG.
  • the portions of the airbags 18 and 20 where the panels 26 and 28 are sewn are restricted from being inflated to form line-shaped depressions.
  • the main bag panel 26 and the sub bag panel 28 are displaced in the front-rear direction (see FIG. 5A) and displaced in the vertical direction ( Furthermore, they are arranged so that the inclination angles (of the sewing line) when viewed from the side are different from each other. In the present invention, it is necessary to shift any one of these elements.
  • the main bag panel 26 is inclined such that the rear edge portion 26a located on the passenger side is high and the front edge portion 26b located on the dashboard side is low.
  • the sub-bag panel 28 is inclined so that the rear edge portion 28a located on the passenger side is low and the front edge portion 28b located on the dashboard side is high. Further, the highest position of the main bag panel 26 is arranged to be higher than the highest position of the sub bag panel 28.
  • the maximum width position 18X of the main bag 18 and the maximum width position 20X of the sub bag 20 do not interfere with each other by devising the shape and arrangement of the panels 26 and 28 (FIG. 8 (B) and FIG. 9).
  • the airbag when the airbag is inflated and deployed, it is possible to prevent the maximum width portions of the main bag 18 and the subbag 20 from interfering with each other to deteriorate the deployment behavior of the entire airbag. That is, by controlling the relative deployment shape of the main bag 18 and the subbag 20, it is possible to stabilize the deployment of the airbag as a whole.
  • the concave portion and the convex portion are combined in the relative relationship between the main bag 18 and the sub bag 20, the capacity of the bag can be reduced.
  • the present invention is advantageous.
  • a large amount of gas does not flow directly toward the occupant's head, but a large amount of gas flows. Therefore, it can be expected that the injury value of the occupant in the situation is reduced.
  • Such an effect becomes more remarkable by slightly lowering the maximum width position 18X of the main bag 18 from the center.
  • the maximum width position 20 ⁇ / b> X is slightly above the center, and due to the rectifying action of the inflation gas by the sub bag panel 28, the upper part of the bag is quickly deployed and the occupant moves in the lateral direction. And head rotation can be restrained quickly.
  • FIG. 10 is a side view for explaining the operation of the airbag apparatus according to the present invention.
  • the gas supplied from the inflator 32 first enters the main bag 18 and then passes through a communication hole (not shown) in the connecting portion between the main bag 18 and the sub bag 20.
  • gas is also supplied to the sub-bag 20, and both bags 18 and 20 are deployed.
  • the occupant intends to move forward, the occupant is protected by the main bag 18.
  • the occupant moves obliquely forward, the movement of the occupant is restrained by the sub-bag 20, and a collision with the center console can be avoided.
  • a single inflator 32 is used.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air Bags (AREA)

Abstract

Le problème de la présente invention est de fournir un dispositif de coussin de sécurité gonflable qui est susceptible d'atteindre un comportement de déploiement stable d'un coussin de sécurité gonflable, tout en présentant une structure simple. La solution de l'invention porte sur un coussin de sécurité gonflable utilisé dans un dispositif de coussin de sécurité gonflable selon la présente invention et pourvu de : un coussin principal qui se déploie devant un passager assis dans un siège, et qui limite le mouvement vers l'avant du passager ; un coussin secondaire positionné au niveau d'au moins un côté du coussin principal ; un panneau de coussin principal qui est disposé à l'intérieur du coussin principal, et qui limite la forme de déploiement du coussin principal ; et un panneau de coussin secondaire qui est disposé à l'intérieur du coussin secondaire, et qui limite la forme de déploiement du coussin secondaire. Le panneau de coussin principal et le panneau de coussin secondaire sont disposés de telle sorte que, dans une vue traversante du panneau de coussin principal et du panneau de coussin secondaire, les positions associées dans la direction d'avant en arrière, les positions associées dans la direction verticale, et/ou les angles d'inclinaison associés lorsque l'on regarde à partir de la surface latérale soient différents les uns des autres.
PCT/JP2016/053290 2015-03-19 2016-02-03 Dispositif de coussin de sécurité gonflable WO2016147732A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2017506136A JP6513184B2 (ja) 2015-03-19 2016-02-03 エアバッグ装置

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Application Number Priority Date Filing Date Title
JP2015055633 2015-03-19
JP2015-055633 2015-03-19

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10293775B2 (en) * 2016-10-21 2019-05-21 Autoliv Asp, Inc. Frontal airbag assemblies for reducing rotational velocity of a head of an occupant
US10358106B2 (en) * 2014-08-04 2019-07-23 Autoliv Development Ab Airbag apparatus
WO2019155801A1 (fr) * 2018-02-07 2019-08-15 Ｊｏｙｓｏｎ Ｓａｆｅｔｙ Ｓｙｓｔｅｍｓ Ｊａｐａｎ株式会社 Coussin de sécurité gonflable et dispositif de coussin de sécurité gonflable
US10427638B2 (en) 2016-06-08 2019-10-01 Autoliv Asp, Inc. Frontal airbag assemblies for reducing rotational velocity of a head of an occupant
US10501045B2 (en) 2016-07-29 2019-12-10 Toyoda Gosei Co., Ltd. Airbag device for a front passenger seat
US11027688B2 (en) 2019-08-27 2021-06-08 Autoliv Asp, Inc. Systems and methods to support an inflatable airbag cushion
US11192513B2 (en) 2017-03-30 2021-12-07 Joyson Safety Systems Japan K.K. Airbag and airbag device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07329688A (ja) * 1994-06-14 1995-12-19 Honda Motor Co Ltd 車両用エアバッグの展開方法
JP2000071909A (ja) * 1998-08-31 2000-03-07 Hyundai Motor Co Ltd 自動車のエアバック装置
US8882138B1 (en) * 2014-03-26 2014-11-11 Autoliv Asp, Inc. Center airbag
JP2015009675A (ja) * 2013-06-28 2015-01-19 豊田合成株式会社 エアバッグ装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015033986A (ja) * 2013-08-09 2015-02-19 豊田合成株式会社 助手席用エアバッグ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07329688A (ja) * 1994-06-14 1995-12-19 Honda Motor Co Ltd 車両用エアバッグの展開方法
JP2000071909A (ja) * 1998-08-31 2000-03-07 Hyundai Motor Co Ltd 自動車のエアバック装置
JP2015009675A (ja) * 2013-06-28 2015-01-19 豊田合成株式会社 エアバッグ装置
US8882138B1 (en) * 2014-03-26 2014-11-11 Autoliv Asp, Inc. Center airbag

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10358106B2 (en) * 2014-08-04 2019-07-23 Autoliv Development Ab Airbag apparatus
US10427638B2 (en) 2016-06-08 2019-10-01 Autoliv Asp, Inc. Frontal airbag assemblies for reducing rotational velocity of a head of an occupant
US10501045B2 (en) 2016-07-29 2019-12-10 Toyoda Gosei Co., Ltd. Airbag device for a front passenger seat
US10293775B2 (en) * 2016-10-21 2019-05-21 Autoliv Asp, Inc. Frontal airbag assemblies for reducing rotational velocity of a head of an occupant
US11192513B2 (en) 2017-03-30 2021-12-07 Joyson Safety Systems Japan K.K. Airbag and airbag device
WO2019155801A1 (fr) * 2018-02-07 2019-08-15 Ｊｏｙｓｏｎ Ｓａｆｅｔｙ Ｓｙｓｔｅｍｓ Ｊａｐａｎ株式会社 Coussin de sécurité gonflable et dispositif de coussin de sécurité gonflable
JP2019137129A (ja) * 2018-02-07 2019-08-22 Ｊｏｙｓｏｎ Ｓａｆｅｔｙ Ｓｙｓｔｅｍｓ Ｊａｐａｎ株式会社 エアバッグ及びエアバッグ装置
US11027688B2 (en) 2019-08-27 2021-06-08 Autoliv Asp, Inc. Systems and methods to support an inflatable airbag cushion

Also Published As

Publication number Publication date
JPWO2016147732A1 (ja) 2017-11-16
JP6513184B2 (ja) 2019-05-15

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