WO2023017979A1 - Dispositif de coussin gonflable de sécurité de face cachée de véhicule et son procédé de pliage - Google Patents

Dispositif de coussin gonflable de sécurité de face cachée de véhicule et son procédé de pliage Download PDF

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Publication number
WO2023017979A1
WO2023017979A1 PCT/KR2022/007863 KR2022007863W WO2023017979A1 WO 2023017979 A1 WO2023017979 A1 WO 2023017979A1 KR 2022007863 W KR2022007863 W KR 2022007863W WO 2023017979 A1 WO2023017979 A1 WO 2023017979A1
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WO
WIPO (PCT)
Prior art keywords
airbag cushion
folding
airbag
vehicle
folded
Prior art date
Application number
PCT/KR2022/007863
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English (en)
Korean (ko)
Inventor
권태익
유완동
산딘게파르
변종기
Original Assignee
아우토리브 디벨롭먼트 아베
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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Application filed by 아우토리브 디벨롭먼트 아베 filed Critical 아우토리브 디벨롭먼트 아베
Publication of WO2023017979A1 publication Critical patent/WO2023017979A1/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
    • B60R21/23—Inflatable members
    • B60R21/237—Inflatable members characterised by the way they are folded
    • 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
    • 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
    • B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
    • B60R21/264—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
    • 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
    • B60R2021/0002—Type of accident
    • B60R2021/0006—Lateral collision
    • 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
    • B60R2021/003—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks characterised by occupant or pedestian
    • B60R2021/0039—Body parts of the occupant or pedestrian affected by the accident
    • B60R2021/0048—Head

Definitions

  • the present invention relates to a far side airbag device for a vehicle, and more particularly, to a far side airbag device for a vehicle that protects an occupant by preventing a collision between occupants in a side collision of the vehicle and a folding method thereof.
  • an automobile airbag device is a safety device that protects occupants by rapidly inflating the airbag by injecting gas into the airbag according to a signal from an impact sensor when a vehicle crashes.
  • Such an airbag device is installed in a steering wheel, dashboard, seat, sidewall, etc. provided in a vehicle, and inflates toward the front or side of the occupant when the vehicle collides to protect the occupant.
  • front airbags deployed in front of the driver's seat and passenger's seat curtain airbags and side airbags deployed in the direction in which a side collision occurred (hereinafter referred to as 'impact side') to protect passengers, and knee airbags to protect passengers' knees
  • 'impact side' curtain airbags and side airbags deployed in the direction in which a side collision occurred
  • knee airbags to protect passengers' knees
  • An airbag or the like may be provided.
  • Side airbags include a so-called near side airbag that inflates and deploys between a passenger and a vehicle body component such as a door and protects an occupant from a vehicle body component that protrudes inward due to the impact of a side collision, There is a far side airbag or a center side airbag that restricts the movement of passengers moving inside the vehicle.
  • the far side airbag is deployed between an occupant and a occupant seated next to the occupant in the event of a car crash, preventing mutual collision between the occupants, reducing the impact applied to the occupant, and the occupant being thrown out of the car by the impact function to prevent
  • Patent Document 1 For example, the present applicant has applied for a patent by disclosing the configuration of a far side airbag device in Patent Document 1 and Patent Document 2 below.
  • the far side airbag should be able to stably support the occupant and absorb the impact when colliding with the occupant.
  • the rear side of the far side airbag in order to prevent a collision between occupants, in particular, a collision between the occupants of the far side airbag, the rear side of the far side airbag must be rapidly deployed upward along the backrest and inflated and deployed between the occupant's head at the initial stage of deployment of the far side airbag.
  • Patent Document 1 Republic of Korea Patent Registration No. 10-1916007 (Announced on November 8, 2018)
  • Patent Document 2 Korean Patent Registration No. 10-1781387 (published on February 20, 2017)
  • An object of the present invention is to solve the above problems, and to provide a far side airbag device for a vehicle and a method for folding the same, which prevent a collision between occupants by inflating and deploying between occupants when a side collision of the vehicle occurs.
  • Another object of the present invention is to provide a vehicle far side airbag device capable of controlling the initial deployment shape of the far side airbag and a folding method thereof.
  • Another object of the present invention is to provide a far side airbag device for a vehicle capable of preventing injury to the occupant's head by rapidly inflating and deploying the rear upper part of the airbag cushion corresponding to the occupant's head, and a folding method thereof.
  • a folding method of a far side airbag device for a vehicle includes the steps of (a) fixing the rear end of a limiting member connected to the front end of an airbag cushion to a fixing part provided on the rear side of the airbag cushion. (b) folding the upper part of the airbag cushion downward, (c) folding the front and rear ends of the airbag cushion backward and forward, respectively, and (d) folding the upper part of the airbag cushion downward. It is characterized by doing.
  • the far side airbag device for a vehicle is built into the backrest of a seat and inflates and deploys to correspond to the side of the occupant's upper body in the event of a side collision of the vehicle. It is characterized in that it includes an inflator for generating and supplying gas to the airbag cushion in response to an impact detection signal in case of a side collision and a limiting member for limiting the deployment shape of the airbag cushion, and is folded by the above-described folding method.
  • the rear end of the airbag cushion is inclined toward the rear side and upward with respect to a virtual center line, so that the airbag cushion is moved upward and upward along the side of the backrest. The effect of being able to expand and deploy toward the front is obtained.
  • FIG. 1 is a front view showing a deployed state of an airbag cushion in a far side airbag device for a vehicle according to a preferred embodiment of the present invention
  • FIG. 2 is an exploded view of the airbag cushion shown in FIG. 1;
  • 3 to 6 are views showing a process of folding an airbag cushion according to a folding method of a far side airbag device for a vehicle according to a preferred embodiment of the present invention
  • FIG. 7 is a view showing a folded state of an airbag cushion in a far side airbag device for a vehicle according to another embodiment of the present invention.
  • a direction toward the front of the vehicle centering on the driver's seat is referred to as 'front (F)'
  • a direction toward the rear of the vehicle is referred to as 'rear (B)'
  • terms indicating directions such as 'left (L)', 'right (R)', 'upper (U)' and 'downward (D)' indicate respective directions based on the forward and backward directions. defined as doing
  • 'inside' a direction from the outside of the vehicle toward the occupant based on the occupant
  • 'outside' a direction from the opposite direction
  • the front and rear (F, B) directions, the left and right (L, R) directions, and the inside (I) and outside (O) directions of the car can be expressed as horizontal directions, respectively, and the top and bottom (U) of the car , D) direction can be expressed as a vertical direction.
  • FIG. 1 is a front view showing a deployed state of an airbag cushion in a far side airbag device for a vehicle according to a preferred embodiment of the present invention
  • FIG. 2 is a developed view of the airbag cushion shown in FIG. 1 .
  • the far side airbag device 10 for a vehicle is built into the backrest 12 of the seat 11 and protects the upper body of the occupant in the event of a side collision of the vehicle.
  • An airbag cushion 20 that expands and deploys to correspond to the side, an inflator 30 that generates gas and supplies it to the airbag cushion 20 by generating gas by an impact detection signal in case of a side collision of the vehicle, and limits the deployment shape of the airbag cushion 20 It includes a limiting member 40 that does.
  • the airbag cushion 20 expands and deploys forward, upward, and downward from the backrest 12 of the seat 11 so as to correspond to the passenger's pelvis and the entire upper body, that is, the passenger's abdomen, chest, neck, and side of the head. expands and expands In this way, the airbag cushion 20 expands and deploys between the occupant and other occupants (hereinafter referred to as 'opposite occupants'), and functions to safely protect the occupants from a collision between occupants due to the impact of a side collision.
  • the airbag cushion 20 includes an inner panel 21 in contact with the right side of the occupant, that is, the driver, and an outer panel 22 in contact with the left side of the opposite occupant, and the inner panel 21 and the outer panel ( 22) may be formed into a bag shape by joining the edges of the bag by a sewing method or the like.
  • the airbag cushion 20 is formed to inflate and deploy in a polyhedral shape such as a substantially circular shape, a semicircular shape, or a square shape, and can be inflated and deployed toward the front, upwards, and downwards from the right side of a driver's seat occupant.
  • a polyhedral shape such as a substantially circular shape, a semicircular shape, or a square shape
  • the airbag cushion 20 may be formed in a forward convex shape based on the rear end so as to correspond to the side surface of the occupant.
  • a supply hole 23 through which gas is introduced from the inflator 30 is formed in the lower part of the airbag cushion 20 .
  • the rear end of the airbag cushion 20 may be inclined at a preset angle toward the rear and upward with the supply hole 23 as the center in order to increase the protection effect for the occupant's head.
  • the setting angle may be set to approximately 5° to 30°.
  • the airbag cushion 20 will inflate and deploy not only forward but also toward the rear and upper with respect to the backrest 12 of the seat 11.
  • the rear end of the airbag cushion 20 may be inflated and deployed toward the side and rear sides of the backrest 12 of the seat 11 .
  • the inflator 30 may be installed vertically along a virtual center line 50 extending upward from the supply hole 23 at the lower end of the airbag cushion 20 .
  • the gas generated in the inflator 30 flows into the lower part of the airbag cushion 20 through the supply hole 23 and is transferred upward through the inner space of the airbag cushion 20 .
  • the limiting member 40 may be provided with a tether made of the same material as the airbag cushion 20 or a fabric material similar to that of the airbag cushion 20 .
  • One end of the limiting member 40 as seen in FIG. 2, the front end may be connected to the front end of the airbag cushion 20, and the rear end of the limiting member 40 may be connected to the rear lower part of the airbag cushion 20.
  • a fixing part 24 to which the rear end of the limiting member 40 is fixed may be provided at the top of the supply hole 23 .
  • the rear end of the limiting member 40 is fixed to the fixing part 24 of the airbag cushion 20 using a fixing member (not shown) such as a rivet or fixed to the fixing part 24 by sewing. It could be.
  • the supply hole 23 and the fixing part 24 may be disposed on an imaginary center line 50 along an up-down direction in the airbag cushion 20 .
  • a chamber wall 25 may be provided at a portion corresponding to a shoulder portion of an occupant at a substantially central portion of the airbag cushion 20 .
  • the chamber wall 25 functions to form a non-inflatable region that is not inflated when the airbag cushion 20 is inflated and deployed.
  • the chamber wall 25 may be formed in a substantially '" shape when viewed from the left side by sewing the inner panel 21 and the outer panel 22 of the airbag cushion 20 .
  • the present invention is not necessarily limited thereto, and may be variously modified according to the body shape or size of the occupant, the shape and standard of the airbag cushion 20, and the like.
  • the far side airbag cushion 20 configured as described above is installed on the backrest 12 of the seat 11 in a folded state by a folding method to be described below.
  • 3 to 6 are diagrams showing a process of folding an airbag cushion according to a folding method of a far side airbag device for a vehicle according to a preferred embodiment of the present invention.
  • the operator connects one end of the limiting means 40 to the approximate central portion of the front end of the airbag cushion 20, and the other end of the limiting means 40, when viewed from FIG. 3
  • the rear end is fixed to the fixing part 24 provided on the rear lower part of the airbag cushion 20.
  • the shape of the airbag cushion 20 inflating forward can be limited by the limiting member 40 when it is inflated and deployed.
  • the first folding line 51 may be formed inclined at an angle of about 10° to 40° toward the rear side and upward with respect to the starting point where the front end of the airbag cushion 20 is folded.
  • the upper portion of the airbag cushion 20 may be folded downward to overlap the central portion of the airbag cushion 20 around the second folding line 52 shown in FIG. 4 .
  • the second folding line 52 may be inclined from the upper end of the airbag cushion 20 toward the lower rear side by approximately 10° to 40°.
  • the upper part of the airbag cushion 20 is tucked in so as to be disposed inside the central part.
  • the upper part of the airbag cushion 20 is inserted downward toward the central part in a state where the left end and the right end are spread apart on both sides, and the cross section when viewed from the rear side may be tucked in in an approximate 'M' shape.
  • the airbag cushion can be folded into a substantially rectangular shape by pulling the upper portion of the airbag cushion into the central portion.
  • the present invention can safely protect the occupant's head by rapidly deploying the upper part of the airbag cushion corresponding to the upper body of the occupant, particularly the head, rearward and upward at the initial stage of deployment of the airbag cushion by tuck-in of the upper part of the airbag cushion. there is.
  • the present invention can avoid interference with the occupant's arm, particularly the elbow and forearm, in the process of deploying the upper part of the airbag cushion.
  • the airbag cushion 20 folded through the process described above is folded so that the front and rear ends overlap each other at the center.
  • the front end of the airbag cushion 20 is folded rearward about the third folding line 53, and the rear end of the airbag cushion 20 is folded forward about the fourth folding line 54.
  • the third fold line 53 and the fourth fold line 54 may be disposed parallel to or substantially parallel to each other.
  • third and fourth folding lines 53 and 54 may be inclined toward the lower rear side by an angle set in advance with the center line 50 .
  • the set angle may be set to about 1° to 20°.
  • the setting angle ⁇ is most effective when set to about 3° to 10°.
  • the present invention it is possible to most effectively set the angle between the direction in which the airbag cushion is folded and the seat mounting portion to implement a deployment shape most suitable for protecting the rear portion.
  • the upper portion of the folded airbag cushion 20 is folded downward so as to overlap the central portion of the airbag cushion 50 around the fifth fold line 55 .
  • the fifth fold line 55 may be disposed substantially horizontally so as to be orthogonal to the center line 50, or may be disposed inclined at an angle of about 5° toward an upper or lower rear side.
  • the fifth folding line 55 may be disposed at a position spaced downward by a preset length from the upper end of the airbag cushion 20 shown in FIG. 5 .
  • the set length may be set to about 10 to 30% of the total length of the airbag cushion 20 in the vertical direction.
  • the airbag cushion 20 may be folded in a rolling manner from the top to the bottom to minimize the length in the vertical direction.
  • the airbag cushion 20 may be folded in a rolling manner from the front end toward the rear end, or folded so that the front end overlaps the rear end in order to minimize the front-end width.
  • the airbag cushion 20 folded through this process is installed on the backrest 12 of the seat 110 and is inflated and deployed by receiving gas generated from the inflator 30 when a side collision of the vehicle occurs.
  • the present invention can inflate and deploy the airbag cushion upwards and forwards along the side of the backrest by forming the rear end of the airbag cushion obliquely toward the rear and upward with respect to the imaginary center line. .
  • the present invention can rapidly inflate and deploy the rear upper part corresponding to the occupant's head when the airbag cushion is initially deployed.
  • the present invention can prevent and safely protect passengers from collision by effectively controlling the initial shape of the airbag cushion for deployment.
  • the initial deployment speed of the airbag cushion toward the rear side and upward can be further improved.
  • FIG. 7 is a view showing a folded state of an airbag cushion in a far side airbag device for a vehicle according to another embodiment of the present invention.
  • the upper end of the airbag cushion 20 tucks in downward and upward two or more times in the process of tucking in the inside of the central part.
  • the upper end of the airbag cushion 20 may be primarily tucked in downward about the second fold line 52 and then secondarily tucked in upward about the sixth fold line 56.
  • the sixth fold line 56 may be disposed parallel to the second fold line 52 at a position spaced downward from the second fold line 52 by a predetermined interval.
  • the sixth folding line 56 is spaced apart from the fixing part 24 by a preset distance G.
  • the set interval (G) may be set to about 150 mm or more.
  • This setting interval (G) may be equally applied even in the case shown in FIG. 4 . That is, when applied to FIG. 4 , the set interval G may be the interval between the lower end of the upper end of the tucked-in airbag cushion 30 and the fixing part 24 .
  • the set interval (G) may be variously changed according to various conditions such as the size and deployment shape of the airbag cushion 30 .
  • the upper end of the airbag cushion is sailed downward and upward multiple times during the folding process, so that the airbag cushion deployment speed can be increased.
  • the present invention can prevent and safely protect occupants from collisions by more effectively controlling the initial deployment shape of the airbag cushion.
  • the present invention relates to a far side airbag device for a vehicle capable of preventing injury to the head of an occupant by controlling the initial deployment shape of an airbag cushion so that the rear upper part of the airbag cushion corresponding to the head of the occupant is rapidly inflated and deployed, and the same It is applied to the folding method technology.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Air Bags (AREA)

Abstract

L'invention divulgue un dispositif de coussin gonflable de sécurité de face cachée d'un véhicule et son procédé de pliage comprenant : (a) une étape consistant à fixer l'extrémité arrière d'un élément de limitation, qui est relié à l'extrémité avant d'un coussin de coussin gonflable de sécurité, à une partie de fixation disposée au niveau du côté arrière du coussin de coussin gonflable de sécurité ; (b) une étape consistant à plier la partie supérieure du coussin de coussin gonflable de sécurité dans le sens vers le bas ; (c) une étape consistant à plier la partie d'extrémité avant et la partie d'extrémité arrière du coussin de coussin gonflable de sécurité dans le sens vers l'arrière et dans le sens vers l'avant ; et (d) une étape consistant à plier la partie supérieure du coussin de coussin gonflable de sécurité dans le sens vers le bas, l'extrémité arrière du coussin de coussin gonflable de sécurité étant formée de façon à être inclinée dans le sens vers l'arrière et le haut sur la base d'une ligne centrale virtuelle de façon à pouvoir gonfler et déployer le coussin de coussin gonflable de sécurité dans les sens vers le haut et vers l'avant le long de la surface latérale d'un dossier.
PCT/KR2022/007863 2021-08-11 2022-06-02 Dispositif de coussin gonflable de sécurité de face cachée de véhicule et son procédé de pliage WO2023017979A1 (fr)

Applications Claiming Priority (2)

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KR1020210106344A KR102626944B1 (ko) 2021-08-11 2021-08-11 자동차의 파 사이드 에어백 장치 및 그의 폴딩 방법
KR10-2021-0106344 2021-08-11

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WO2023017979A1 true WO2023017979A1 (fr) 2023-02-16

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4808437B2 (ja) * 2005-05-18 2011-11-02 富士重工業株式会社 サイドエアバッグ装置及び該エアバッグの折畳み方法
JP2017100493A (ja) * 2015-11-30 2017-06-08 豊田合成株式会社 ファーサイドエアバッグ装置及びエアバッグの折り畳み方法
JP6203402B2 (ja) * 2014-06-24 2017-09-27 オートリブ ディベロップメント エービー サイドエアバッグ装置
KR20210000910A (ko) * 2019-06-26 2021-01-06 현대모비스 주식회사 파사이드 에어백 장치의 폴딩방법
KR20210089775A (ko) * 2018-12-21 2021-07-16 아우토리브 디벨롭먼트 아베 사이드 에어백 장치, 이것을 구비한 차량용 시트 및 사이드 에어백 장치의 제조 방법

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Publication number Priority date Publication date Assignee Title
KR100420173B1 (ko) * 2001-07-03 2004-03-02 델파이 오토모티브 시스템스 성우 주식회사 차량용 사이드 에어백 및 그 폴딩방법
JP5848091B2 (ja) * 2011-10-26 2016-01-27 芦森工業株式会社 サイドエアバッグ装置
KR101781387B1 (ko) 2016-04-15 2017-09-25 아우토리브 디벨롭먼트 아베 자동차의 파 사이드 에어백 장치
KR101916007B1 (ko) 2017-05-29 2018-11-08 아우토리브 디벨롭먼트 아베 파-사이드 에어백

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4808437B2 (ja) * 2005-05-18 2011-11-02 富士重工業株式会社 サイドエアバッグ装置及び該エアバッグの折畳み方法
JP6203402B2 (ja) * 2014-06-24 2017-09-27 オートリブ ディベロップメント エービー サイドエアバッグ装置
JP2017100493A (ja) * 2015-11-30 2017-06-08 豊田合成株式会社 ファーサイドエアバッグ装置及びエアバッグの折り畳み方法
KR20210089775A (ko) * 2018-12-21 2021-07-16 아우토리브 디벨롭먼트 아베 사이드 에어백 장치, 이것을 구비한 차량용 시트 및 사이드 에어백 장치의 제조 방법
KR20210000910A (ko) * 2019-06-26 2021-01-06 현대모비스 주식회사 파사이드 에어백 장치의 폴딩방법

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KR20230024167A (ko) 2023-02-20

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