WO2017222223A1 - Dispositif de coussin de sécurité gonflable pour passager de véhicule automobile - Google Patents

Dispositif de coussin de sécurité gonflable pour passager de véhicule automobile Download PDF

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Publication number
WO2017222223A1
WO2017222223A1 PCT/KR2017/006102 KR2017006102W WO2017222223A1 WO 2017222223 A1 WO2017222223 A1 WO 2017222223A1 KR 2017006102 W KR2017006102 W KR 2017006102W WO 2017222223 A1 WO2017222223 A1 WO 2017222223A1
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WO
WIPO (PCT)
Prior art keywords
airbag
passenger
main
auxiliary
head
Prior art date
Application number
PCT/KR2017/006102
Other languages
English (en)
Korean (ko)
Inventor
김동영
김치호
이성우
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.)
Filing date
Publication date
Application filed by 아우토리브 디벨롭먼트 아베 filed Critical 아우토리브 디벨롭먼트 아베
Publication of WO2017222223A1 publication Critical patent/WO2017222223A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • 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
    • B60R21/233—Inflatable members characterised by their shape, construction or spatial configuration comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other
    • 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
    • B60R21/239—Inflatable members characterised by their venting means
    • 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
    • B60R2021/0004—Frontal 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 passenger seat airbag device for a vehicle which protects the passenger by inflating and deploying toward the passenger during a frontal collision of the vehicle.
  • the airbag device is a representative safety device along with the vehicle seat belt.
  • the airbag apparatus includes a driver's seat airbag apparatus, a passenger seat airbag apparatus, a side airbag apparatus, a curtain airbag apparatus and the like.
  • the driver's seat airbag protects the driver in front of the car.
  • the driver's airbag is mounted inside the steering wheel of the car and instantly inflates when a constant shock is applied.
  • the passenger airbag is mounted inside the instrument panel of the car to instantly inflate in the event of a vehicle crash to protect the passenger seat.
  • Such passenger airbags require enhanced protection in, for example, small overlap collisions, oblique collisions, and the like.
  • Inclined collisions are frontal impacts at which the local parts are impacted at an angle from the front side relative to the left or right side of the front of the vehicle. This collision results in high deformation of the vehicle structure at the side of the impact.
  • Conventional passenger seat airbags are only configured to deploy between the instrument panel and the passengers and do not fully protect the passengers in the event of small overlap or incline collisions.
  • the passenger side passenger moves toward the front and inside center of the vehicle, and the head of the passenger rotates by friction between the passenger seat airbag and the head.
  • Conventional passenger seat airbags are simply configured to be deployed rearward between the instrument panel and the passenger, thus failing to sufficiently constrain the head of the rotating passenger while moving towards the center of the instrument panel of the vehicle, thereby causing the passenger's head and / or neck May cause injury.
  • Patent Document 1 US Patent Publication No. US2012 / 0306187
  • An object of the present invention is to provide a front airbag apparatus for a vehicle which can effectively prevent the passenger's head from colliding with the passenger seat airbag and rotating to the impact side while rotating by friction between the passenger's head and the passenger seat airbag. .
  • a main air bag deployed between the instrument panel and the passenger A secondary airbag connected to a front surface of the main airbag facing the passenger and in contact with the head of the passenger, the auxiliary airbag being configured to communicate with the main airbag so that gas is introduced from the interior of the main airbag; It is formed to protrude a predetermined length from the inner side of the main airbag toward the center of the instrument panel to prevent the head of the passenger to rotate while moving toward the impact side of the vehicle when contacting the auxiliary airbag, the center portion of the instrument panel
  • a passenger seat airbag device for a vehicle is provided that prevents contact with the vehicle.
  • a time point at which the auxiliary air bag is fully inflated may be delayed rather than a time point at which the main air bag is fully inflated.
  • a gas introduction hole communicating with the auxiliary air bag may be formed at the front surface of the main air bag.
  • the passenger seat airbag device may further comprise a support airbag for supporting an extension of the auxiliary airbag protruding from the main airbag.
  • the auxiliary airbag may be formed with a head receiving portion for receiving the head of the passenger.
  • a one-way vent unit may be provided to block the gas of the main airbag from flowing to the auxiliary airbag through the gas introduction hole and to block the gas of the auxiliary airbag from flowing into the main airbag through the gas introduction hole.
  • the one-way vent unit may include a vent panel provided at an outer side of the front surface of the main air bag to cover the gas introduction hole and connected to the gas passing through the gas introduction hole from the main air bag to be discharged around the main air bag. .
  • the main air bag can sufficiently protect the passenger's chest or head from colliding with the instrument panel, and the head of the passenger is supported by an auxiliary air bag inflating and deploying in front of the main air bag. It can effectively prevent movement toward the collision side while rotating.
  • FIG. 1 is a perspective view showing the configuration of a passenger seat airbag device according to an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view taken along the line II-II of FIG. 1.
  • FIG. 3 is a cross-sectional view taken along line III-III of FIG. 1.
  • FIG. 4 is a cross-sectional view showing the configuration of a passenger seat airbag according to another embodiment of the present invention.
  • FIG. 5 is an enlarged view of the V display unit of FIG. 4.
  • reference numeral U denotes the upward direction of the vehicle
  • reference numeral L denotes the downward direction of the vehicle
  • reference numeral F denotes the front direction of the automobile
  • reference numeral R denotes the rear direction of the automobile
  • reference numeral I denotes the automobile Indicates the inner direction of the vehicle
  • reference numeral O indicates the outer direction of the vehicle.
  • FIG. 1 is a perspective view showing the configuration of a passenger seat airbag device according to an embodiment of the present invention
  • Figure 2 is a cross-sectional view taken along the line II-II of FIG.
  • a passenger seat airbag device 1 includes a housing 5 installed in a passenger seat side instrument panel 3, an inflator 7 installed in the housing 5, an inflator. And an airbag 10 connected to the housing 7 and received in a folded state in the housing 5. The airbag 10 receives the high pressure gas from the inflator 7 and expands and deploys toward the passenger side passenger.
  • the airbag 10 is made of, for example, nylon material and includes a main airbag 11 and an auxiliary airbag 13 connected to the front face 11a facing the passenger of the main airbag 11.
  • the auxiliary airbag 13 is substantially disposed at the position where the head H of the passenger O moving toward the front and the collision side of the car, in contact with the vehicle, protects the head H of the passenger O. .
  • the airbag 10 is received inside the housing 5 together with the inflator 7.
  • the high pressure gas is primarily introduced into the main airbag 11 so that the main airbag 11 is inflated and deployed, and then the gas passes through the main airbag 11 to the auxiliary airbag 13. Supplied.
  • a gas introduction hole 11b for introducing a high pressure gas into the auxiliary airbag 13 is formed on the front face 11a of the main airbag 11 facing the passenger.
  • the pressure of the gas introduced into the auxiliary airbag 13 is defined by the gas introduction hole 11b. Therefore, the size and number of the gas introduction holes 11b limit the flow rate of the gas introduced into the auxiliary airbag 13 and determine the speed at which the auxiliary airbag 13 expands and deploys. That is, as the flow rate of the gas passing through the gas introduction hole 11b is smaller, the expansion completion point of the auxiliary air bag 13 inflating and deploying may be delayed more than the expansion completion point of the main air bag 11.
  • the main airbag 11 which expands and deploys relatively faster than the auxiliary airbag 13, sufficiently restrains a part of the passenger, for example, the head H or the body C, the upper, lower chest, and the abdomen. O) can be prevented from hitting the instrument panel 3.
  • the auxiliary airbag 13 has a lower internal pressure than the main airbag 11 at the initial stage of deployment, when the part of the passenger, for example, the head H contacts, the head of the passenger O is gently received and the passenger O The head H of) can be prevented from being injured secondary by the airbag 10.
  • the thickness T1 of the main airbag 11 is formed to have a large thickness T2 beam of the auxiliary airbag 13 when the airbag 10 is inflated and deployed.
  • a main vent hole 11c for discharging high pressure gas may be formed at the edge of the main airbag 11. The main vent hole 11c discharges the high pressure gas in the main airbag 11 to the outside when the airbag 10 is inflated and deployed, thereby preventing the passenger O from being secondarily injured by the airbag 10. do.
  • the auxiliary airbag 13 may be disposed approximately above the front surface 11a of the main airbag 11 to accommodate the head H of the passenger O.
  • the auxiliary airbag 13 includes an extension 13a that extends by a predetermined length D so as to protrude toward the inner side I of the vehicle out of the inner side 11f of the main airbag 11.
  • This configuration is useful for collisions of automobiles, for example small overlapping collisions or inclined collisions. For example, when an inclined collision occurs on the left side of the vehicle, the head of the passenger O moves toward the front (F) and inside (I) of the vehicle.
  • the extension 13a of the auxiliary airbag 13 covers the head H of the passenger O, which moves toward the inner side I of the vehicle, so that the head H of the passenger O is connected to the instrument panel 3. Avoid hitting the center section.
  • the auxiliary airbag 13 may be formed of a softer material than the main airbag 11 to smoothly receive the head H of the passenger O sensitive to impact.
  • a sensor for detecting the collision operates the inflator 7.
  • the operated inflator 7 instantaneously releases the high pressure gas, and the gas quickly flows into the main airbag 11 of the airbag 10.
  • the gas introduced into the main airbag 11 flows into the auxiliary airbag 13 through the gas introduction hole 11b formed in the front surface 11a of the main airbag 11.
  • the airbag 10 is comprised from the main airbag 11 and the auxiliary airbag 13 which expand and deploy toward the passenger side passenger O from the housing 3 accommodated in the passenger side instrument panel 3.
  • the high pressure gas from the inflator 7 is rapidly supplied primarily to the main airbag 11 to prevent the head or chest of the passenger O from hitting the instrument panel 3.
  • the main airbag 11 is completely inflated when the auxiliary airbag 13 that receives gas from the main airbag 11 is fully inflated through the gas introduction hole 11b formed in the front surface 11a of the main airbag 11. Delayed at the point of expansion. Therefore, the internal pressure of the auxiliary airbag 13 becomes lower than the internal pressure of the main airbag 11 while the main airbag 11 is fully inflated and the auxiliary airbag 13 is continuously inflated and deployed.
  • the chest of the passenger O is sufficiently protected by the main airbag 11 having a higher internal pressure than the auxiliary airbag 13, thereby preventing injury from being hit by the instrument panel 3.
  • the head O of the passenger O is in contact with a soft auxiliary air bag 13 having a lower internal pressure than the internal pressure of the main air bag 11 so that the head H of the passenger is inflated and deployed. Secondary injury is prevented.
  • the auxiliary airbag 13 is additionally inflated at the front surface 11a of the main airbag 11 so that the passenger O who contacts the auxiliary airbag 13 may not be fully inflated.
  • the head is sufficiently protected from the instrument panel 3 by the main airbag 11.
  • the head (H) of the passenger (O) sensitive to shock is the main airbag ( It is protected by the auxiliary airbag 13 having a lower internal pressure than 11), thereby preventing the head H of the passenger O from being injured by the airbag 10 inflating and deploying.
  • the head H of the passenger side passenger O is In front of the vehicle and toward the left side of the vehicle to collide with the center-left side of the airbag 10, and slide while rotating counterclockwise (A) by friction between the airbag 10 and the head H of the passenger O. Lose.
  • the head H of the passenger O is smoothly received by the auxiliary air bag 13 fully inflated relatively later than the time when the main air bag 11 is fully inflated, and the head H of the passenger O is motorized. It can be prevented from moving while rotating toward the collision side of the. Therefore, the head H and / or neck N injury value of the passenger O can be reduced.
  • the auxiliary airbag 13 may include an extension portion 13a protruding out of the inner side 11f of the main airbag 11 by a predetermined length D when the auxiliary airbag 13 is fully inflated. Therefore, when the head H of the passenger O continues to move toward the collision side of the vehicle, it is possible to prevent the head H of the passenger O from hitting the center portion 3a of the instrument panel 3. .
  • the length D of the extension 13a of the auxiliary airbag 13 can prevent the head H of the passenger O moving toward the interior of the vehicle from hitting the central portion of the instrument panel 3. It is desirable to have a sufficient length.
  • the auxiliary airbag 13 is provided with a head receiving portion for receiving the head H of the passenger O, for example, a groove portion 13d, to prevent the passenger's head H from rotating while moving toward the collision side. .
  • FIG. 3 is a side view along arrow III of FIG. 1.
  • the airbag 10 may further include a support airbag 15 supporting the extension 13a of the auxiliary airbag 13.
  • the support airbag 15 may be connected to the inner side 11f of the main airbag 11 so as to communicate with the main airbag 11.
  • a support airbag 15 is provided between the auxiliary airbag 13 and the instrument panel 3 to support the auxiliary airbag 13 with respect to the instrument panel 3. Therefore, when the head H of the passenger O moves toward the inside of the vehicle, the head H of the passenger O is supported by the extension part 13a of the auxiliary airbag 13 so that the head H of the passenger O is moved to the center of the instrument panel 3. Damage to (3a) can be prevented.
  • FIG. 4 is a cross-sectional view illustrating a configuration of a passenger seat airbag according to another exemplary embodiment of the present invention
  • FIG. 5 is an enlarged view of the V display unit of FIG. 4.
  • the passenger seat airbag device 1 further includes a one-way vent unit 30.
  • the wen-way vent unit 30 is configured to allow the high pressure gas from the main air bag 11 to flow to the auxiliary air bag 13 and to block the reverse flow thereof.
  • the one-way vent unit 30 is provided outside the front surface 11a of the main airbag 11 to cover the gas introduction hole 11b formed in the front surface 11a of the main airbag 11, and the main airbag 11 And a vent panel 31 connected to discharge the gas passing through the gas introduction hole 11b from the surroundings.
  • the gas pressure in the auxiliary airbag 13 can be maintained independently of the main airbag 11. That is, the main airbag 11 has a main vent hole 11c is formed, the high pressure gas in the main airbag 11 is discharged to the outside through the main vent hole 11c when the passenger restrains the pressure is lost.
  • the high-pressure gas in the auxiliary airbag 13 is pressurized along the direction of arrow B.
  • the vent panel 31 is pressurized in the direction of the arrow B and the main The gas introduction hole 11b formed in the front surface 11a of the airbag 11 is closed. Therefore, the high pressure gas in the auxiliary air bag 13 flows into the main air bag 11 through the gas introduction hole 11b and is prevented from being discharged to the outside through the main vent hole 11c.
  • the pressure in the auxiliary airbag 12 is prevented from being lost so as to maintain an appropriate pressure to support the head of the passenger O so that the head of the passenger H can collide with the instrument panel 3 effectively. You can prevent it.
  • the vent panel 31 may further include a hole through which gas passes through the gas introduction hole 11b.
  • the gas of the main air bag 11 is smoothly supplied to the auxiliary air bag 13,
  • the part where the hole of the vent panel 31 and the neighboring part close the gas introduction hole 11b to perform a one-way vent function. can do.

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

Abstract

L'invention concerne un dispositif de coussin de sécurité gonflable pour un passager d'un véhicule automobile comprenant : un coussin de sécurité gonflable principal qui est déployé entre un tableau de bord et un passager ; et un coussin de sécurité gonflable auxiliaire qui est raccordé à la surface avant du coussin de sécurité gonflable principal, faisant face au passager, de manière à protéger la tête du passager, et communique avec le coussin de sécurité gonflable principal de sorte que du gaz provenant de l'intérieur du coussin de sécurité gonflable principal s'écoule dans le coussin de sécurité gonflable auxiliaire. Le coussin de sécurité gonflable auxiliaire comprend une partie d'extension faisant saillie à partir du côté interne du coussin de sécurité gonflable principal de manière à empêcher la tête du passager de tourner tout en se déplaçant vers un côté d'impact du véhicule automobile lorsqu'elle entre en contact avec le coussin de sécurité gonflable auxiliaire, ce qui empêche efficacement la collision de la tête du passager avec la partie centrale du tableau de bord.
PCT/KR2017/006102 2016-06-21 2017-06-12 Dispositif de coussin de sécurité gonflable pour passager de véhicule automobile WO2017222223A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2016-0077390 2016-06-21
KR1020160077390A KR101781384B1 (ko) 2016-06-21 2016-06-21 자동차의 조수석 에어백 장치

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WO2017222223A1 true WO2017222223A1 (fr) 2017-12-28

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PCT/KR2017/006102 WO2017222223A1 (fr) 2016-06-21 2017-06-12 Dispositif de coussin de sécurité gonflable pour passager de véhicule automobile

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WO (1) WO2017222223A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102647194B1 (ko) * 2018-11-16 2024-03-13 현대자동차주식회사 차량용 커튼 에어백
KR102580775B1 (ko) 2021-07-21 2023-09-21 아우토리브 디벨롭먼트 아베 자동차의 조수석 에어백 장치
KR102581851B1 (ko) 2021-08-13 2023-09-25 아우토리브 디벨롭먼트 아베 자동차의 조수석 에어백 장치 및 그의 폴딩 방법
KR102638130B1 (ko) 2022-03-02 2024-02-20 아우토리브 디벨롭먼트 아베 자동차의 조수석 에어백 장치
KR20230139726A (ko) 2022-03-28 2023-10-05 아우토리브 디벨롭먼트 아베 자동차의 조수석 에어백 장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100089666A (ko) * 2009-02-04 2010-08-12 현대모비스 주식회사 조수석 에어백 장치
KR20150125317A (ko) * 2014-04-30 2015-11-09 아우토리브 디벨롭먼트 아베 차량용 에어백 장치
KR20160009967A (ko) * 2014-07-17 2016-01-27 현대모비스 주식회사 동승석 에어백 장치
JP2016037130A (ja) * 2014-08-06 2016-03-22 富士重工業株式会社 車両の乗員保護装置
JP2016060350A (ja) * 2014-09-17 2016-04-25 豊田合成株式会社 助手席用エアバッグ装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100089666A (ko) * 2009-02-04 2010-08-12 현대모비스 주식회사 조수석 에어백 장치
KR20150125317A (ko) * 2014-04-30 2015-11-09 아우토리브 디벨롭먼트 아베 차량용 에어백 장치
KR20160009967A (ko) * 2014-07-17 2016-01-27 현대모비스 주식회사 동승석 에어백 장치
JP2016037130A (ja) * 2014-08-06 2016-03-22 富士重工業株式会社 車両の乗員保護装置
JP2016060350A (ja) * 2014-09-17 2016-04-25 豊田合成株式会社 助手席用エアバッグ装置

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