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WO2012118324A2 - Appareil à coussin gonflable de sécurité latéral monté dans un siège - Google Patents

Appareil à coussin gonflable de sécurité latéral monté dans un siège Download PDF

Info

Publication number
WO2012118324A2
WO2012118324A2 PCT/KR2012/001498 KR2012001498W WO2012118324A2 WO 2012118324 A2 WO2012118324 A2 WO 2012118324A2 KR 2012001498 W KR2012001498 W KR 2012001498W WO 2012118324 A2 WO2012118324 A2 WO 2012118324A2
Authority
WO
WIPO (PCT)
Prior art keywords
cushion
foam pad
seat
airbag apparatus
pad
Prior art date
Application number
PCT/KR2012/001498
Other languages
English (en)
Other versions
WO2012118324A3 (fr
Inventor
Tae Ik Gwon
Soon-Bok Lee
Wan Dong Yoo
Original Assignee
Autoliv Development Ab
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 Autoliv Development Ab filed Critical Autoliv Development Ab
Publication of WO2012118324A2 publication Critical patent/WO2012118324A2/fr
Publication of WO2012118324A3 publication Critical patent/WO2012118324A3/fr

Links

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/70—Upholstery springs ; Upholstery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • 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
    • 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
    • B60R21/207—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle seats
    • 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
    • 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
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/58—Seat coverings
    • B60N2002/5808—Seat coverings comprising opening zones for airbags
    • 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
    • B60R2021/161—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by additional means for controlling deployment trajectory
    • 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
    • B60R21/207—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle seats
    • B60R2021/2076—Removable covers with tear seams

Definitions

  • the present invention relates to a seat mounted airbag apparatus. More particularly, the present invention relates to a seat mounted airbag apparatus, which is deployed from a side cushion of a seat to protect a lateral side of a passenger and pushes a side foam pad toward the passenger to surround the lateral side of the passenger with the side foam pad, thereby improving the safety performance.
  • an airbag of a vehicle is a safety system to protect a driver and passengers upon front-side collision, a lateral-side collision or an overturn of a vehicle.
  • a side airbag is installed in the vehicle to protect the driver and passengers upon the lateral-side collision of the vehicle.
  • the side airbag can be installed in a lateral side of a seat as disclosed in UK Patent Application No. 2,397,047 (Vehicles seat and airbag unit).
  • a foam pad is provided at a lateral side of a seat such that the foam pad protrudes beyond a back plate of the seat, and a side airbag apparatus installed in a seat frame is provided in the foam pad.
  • the side airbag apparatus includes an inflator to generate gas and a cushion connected to the inflator and accommodated in a folded state.
  • the side airbag apparatus is mounted in the lateral foam pad of the seat.
  • the cushion is expanded so that the airbag is deployed while tearing the foam pad, thereby protecting the lateral side of the passenger.
  • the conventional side airbag apparatus protects the passenger by attenuating the impact through the expansion of the cushion, so there is limitation to ensure the safety of the passenger.
  • the present invention has been made to solve the problems occurring in the prior art, and an object of the present invention is to provide a seat mounted side airbag apparatus, in which a foam pad having a large size is provided at a lateral side of a seat and the foam pad is torn into two parts when a cushion is expanded so that an inner foam pad pushes a lateral side of a passenger to protect the passenger from external impact.
  • a seat mounted side airbag apparatus including an inflator installed in a seat frame provided in a receiving section of a foam pad protruding from a lateral side of a vehicle seat beyond a back plate of the vehicle seat and a cushion connected to the inflator and received in the receiving section of the foam pad, characterized in that the cushion includes a primary chamber communicated with the inflator and colliding with an inner surface of the foam pad to press the foam pad when the cushion is expanded and a secondary chamber or a multiple chamber communicated with the primary chamber and expanded out of the foam pad, and the foam pad is torn as the primary chamber is expanded and an inner pad of the foam pad pushes a passenger so that the passenger is moved away from an impact point.
  • a gas distributing unit is provided in the primary chamber.
  • the gas distributing unit includes a partition wall to divide the primary chamber, the partition wall includes a first hole directed toward the inner pad, a second hole directed toward the secondary chamber.
  • a seat mounted side airbag apparatus including an inflator installed in a seat frame provided in a receiving section of a foam pad formed at a lateral side of a vehicle seat and a cushion connected to the inflator and received in the receiving section of the foam pad to divide the foam pad into an inner pad and an outer pad when the cushion is expanded, characterized in that the seat mounted side airbag apparatus includes a guide member guiding the cushion such that the cushion collides with an inner surface of the foam pad when the cushion is expanded.
  • the guide member has a long length to directly push the foam pad.
  • the guide member is a plate installed at a deployment path of the cushion.
  • the guide member is formed with a guide hole serving as a path for the cushion and a bending portion bent downward.
  • a seat mounted side airbag apparatus including an inflator installed in a seat frame provided in a receiving section of a foam pad protruding from a lateral side of a vehicle seat beyond a back plate and a cushion connected to the inflator and received in the receiving section of the foam pad to divide the foam pad into an inner pad and an outer pad when the cushion is expanded, characterized in that the seat frame includes a guide hole to guide a deployment direction of the cushion such that the cushion collides with an inner surface of the foam pad by passing through the guide hole.
  • FIG. 1 is a sectional view showing the mounting state of a seat mounted side airbag apparatus according to the first embodiment of the present invention
  • FIG. 2 is a sectional view showing the deploying state of a seat mounted side airbag apparatus according to the first embodiment of the present invention
  • FIG. 3 is a sectional view showing a seat mounted side airbag apparatus according to the second embodiment of the present invention.
  • FIG. 4 is a sectional view showing a seat mounted side airbag apparatus according to the third embodiment of the present invention.
  • FIG. 5 is a sectional view showing a seat mounted side airbag apparatus, which is a modification of the third embodiment of the present invention.
  • FIG. 6 is a sectional view showing a seat mounted side airbag apparatus according to the fourth embodiment of the present invention.
  • a seat mounted side airbag apparatus includes an inflator installed at a seat frame formed in a receiving section of a foam pad provided at a lateral side of a seat of a vehicle and a cushion connected to the inflator and received in the receiving section of the foam pad such that the cushion can be expanded to the outside while tearing the foam pad into an inner pad and an outer pad.
  • FIG. 1 is a sectional view showing the mounting state of the seat mounted side airbag apparatus according to the first embodiment of the present invention
  • FIG. 2 is a sectional view showing the deploying state of the seat mounted side airbag apparatus according to the first embodiment of the present invention.
  • the seat mounted side airbag apparatus A1 includes an inflator I installed at a seat frame 6 formed in a receiving section 40 of a foam pad 4 provided at a lateral side of a seat 2 of a vehicle and a cushion 8 connected to the inflator I and received in the receiving section 40 of the foam pad 4.
  • the seat 2 includes a back pate 22 making contact with a back of a passenger 100 and a foam pad 4 protruding from a lateral side of the back plate 22.
  • the seat frame 6 is installed in the seat 2.
  • the seat frame 6 is inserted into the back plate 22 and the foam pad 4 to support the back plate 22 and the foam pad 4.
  • the seat frame 6 includes a flat pate part 62 corresponding to the back plate 22 and lateral side ends 64 which are formed at both ends f the flat plate part 62 while being inclined or bent at the right angle.
  • An incised groove 43 is formed at an inner surface of the receiving section 40 of the foam pad 4 such that the foam pad 4 can be easily torn.
  • the inflator I is mounted at the lateral side end of the seat frame 6 and the cushion 8 is connected to the seat frame 6 to communicate with the inflator I.
  • the cushion 8 is rolled or folded such that the volume of the cushion 8 can be minimized.
  • the structure of the inflator I and the cushion 8 may have the same structure as described above, so it will not be further described below.
  • the cushion 8 includes a primary chamber 81 communicated with the inflator I and colliding with an inner surface of the foam pad 4 to press the foam pad 4 when it is expanded and a secondary chamber 82 communicated with the primary chamber 81 and expanded out of the foam pad 4.
  • the primary chamber 81 is expanded beyond the lateral side end 64 of the seat frame 6 while pushing the inner pad 41 so that the foam pad 4 is torn into the inner and outer pads 41 and 42 as shown in FIG. 2.
  • outer and outer will be determined on the basis of the passenger. In detail, an outer portion is located away from the passenger and an inner portion is located closely to the passenger.
  • the gas is injected into the primary chamber 81 so that the primary chamber 81 is expanded and the foam pad 4 is torn through the incised groove 43.
  • the inner pad 41 of the foam pad 4 which is torn by the pushing force of the primary chamber 81, pushes the passenger 100 to move the passenger 100 away from the impact point, so that the impact delivery time is delayed and the impact applied to the passenger 100 is attenuated, thereby improving the safety of the passenger 100.
  • a guide member 7 is fixed to the cushion 8 to increase the pushing force of the primary chamber 81 with respect to the inner pad 41.
  • the other end of the guide member 7 is fixed to the seat frame 6.
  • At least one secondary chamber 82 is provided.
  • the secondary chamber 82 is expanded after the incised groove 43 of the foam pad 4 has been torn or broken, so the secondary chamber 82 is deployed toward the lateral side of the passenger 100 similarly to the typical side airbag.
  • FIG. 3 is a sectional view showing the seat mounted side airbag apparatus according to the second embodiment of the present invention.
  • the seat mounted side airbag apparatus A2 includes an inflator I installed at a seat frame 6 formed in a receiving section 40 of a foam pad 4 provided at a lateral side of a seat 2 of a vehicle and a cushion 8a connected to the inflator I and received in the receiving section 40 of the foam pad 4.
  • the cushion 8a includes a primary chamber 81a communicated with the inflator I and colliding with an inner surface of the foam pad 4 to press the foam pad 4 when it is expanded, a secondary chamber 82a communicated with the primary chamber 81 and expanded out of the foam pad 4, a gas distributing unit 5 provided in the primary chamber 81a and a connection unit 9 for connecting the seat frame 6 with the cushion 8a.
  • connection unit 9 may include a fabric tether having a predetermined length or a bracket. One end of the connection unit 9 is fixed to the cushion 8a and the other end of the connection unit 9 is fixed to the seat frame 6.
  • the gas distributing unit 5 includes a partition wall to divide the primary chamber 81a, the partition wall includes a first hole 51 directed toward the inner pad 41, a second hole 52 directed toward the secondary chamber 82a.
  • the structure of the seat mounted side airbag apparatus A2 according to the second embodiment of the present invention may be identical to the seat mounted side airbag apparatus A1 of the first embodiment, so it will not be further described below.
  • the cushion 8a is expanded by gas pressure so that the cushion 8a is expanded out of the foam pad 4 while tearing the incised groove 43.
  • the first hole 51 of the gas distributing unit 5 is larger than the second hole 52 of the gas distributing unit 5.
  • a greater amount of gas is introduced into the cushion 8a through the first hole 51 so that a right part of the primary chamber 81 can be more expanded.
  • the inner pad 41 corresponding to the right part of the primary chamber 81 may be strongly pushed, so the passenger 100 can be moved further from the impact point, thereby improving the safety of the passenger.
  • the gas introduced into the first hole 51 to expand the primary chamber 81a is mixed with the gas injected trough the second hole 52 and the mixed gas is introduced into the secondary chamber 82a to expand the secondary chamber 82a.
  • the inner pad 41 pushes the passenger 100 to move the passenger 100 away from the impact point, so that the impact delivery time is delayed and the impact applied to the passenger 100 is attenuated.
  • FIG. 4 is a sectional view showing a seat mounted side airbag apparatus according to the third embodiment of the present invention
  • FIG. 5 is a sectional view showing a seat mounted side airbag apparatus, which is a modification of the third embodiment of the present invention.
  • the seat mounted side airbag apparatus A3 includes an inflator I, a cushion 8b and a guide member 7 to guide the expansion of the cushion 8b.
  • the cushion 8b is connected to the inflator I and received in a receiving section 40 of a foam pad 4.
  • the cushion 8b is deployed to the outside while tearing the foam pad 4 into inner and outer pads 41 and 42.
  • the guide member 7 is connected to the lateral side end 64 of the seat frame 6 to guide the cushion 8b such that the cushion 8b collides with the inner surface of the foam pad 4 when it is expanded.
  • the guide member 7 includes a flexible material and directly pushes the inner pad 41.
  • the guide member 7 is a plate formed with a guide hole 72 serving as a path for the cushion 8b. A portion of the guide member 7 formed with the guide hole 72 is inclined in one direction so that a bending portion 74 is formed.
  • the guide member 7b that guides the deployment of the cushion 8b is prepared as a ring installed at the deployment path of the cushion 8b.
  • a ring 74b made from a flexible material is provided at one end of the guide member 7b to surround the cushion 8b and an extension line 76b of the guide member 7b is fixed to the seat frame 6.
  • the cushion 8b is bent in the form of a U-shape while passing through the guide member 7 and the ring 7b, and the volume of the cushion 8b expanded in the receiving section 40 may be increased due to the bending portion, so that the inner pad 41 of the foam pad 4 may be pushed toward the passenger.
  • FIG. 6 is a sectional view showing a seat mounted side airbag apparatus according to the fourth embodiment of the present invention.
  • the seat mounted side airbag apparatus A4 includes an inflator I and a cushion 8c.
  • a guide hole 69 is formed at the lateral side end 64 of the seat frame 6 to guide the deployment direction of the cushion 8c such that the cushion 8c collides with the inner surface of the foam pad 4 while passing through the guide hole 69.
  • a tear line (not shown) may be formed at the lateral side of the seat frame 6 in such a manner that the tear line can be torn by the cushion 8c being expanded.
  • the foam pad is torn into two parts when the cushion is expanded and the inner foam pad pushes the passenger to move the passenger away from the impact point, so that the impact delivery time is delayed and the impact applied to the passenger is attenuated, thereby improving the safety of the passenger.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Air Bags (AREA)
  • Seats For Vehicles (AREA)

Abstract

La présente invention se rapporte à un appareil à coussin gonflable de sécurité monté dans un siège, qui se déploie depuis un coussin latéral d'un siège afin de protéger un côté latéral d'un passager et pousse un rembourrage de mousse latéral vers le passager afin d'entourer le côté latéral du passager avec le rembourrage de mousse latéral, ce qui permet d'améliorer les performances de sécurité. L'appareil à coussin gonflable de sécurité latéral monté dans un siège comprend un dispositif de gonflage installé dans une armature de siège située dans une section de réception d'un rembourrage de mousse formée sur un côté latéral d'un siège de véhicule et un coussin relié au dispositif de gonflage. Lorsque le coussin se dilate, le rembourrage de mousse se sépare en un rembourrage intérieur et en un rembourrage extérieur et le rembourrage intérieur pousse le passager de sorte que le passager soit éloigné d'un point d'impact.
PCT/KR2012/001498 2011-03-03 2012-02-28 Appareil à coussin gonflable de sécurité latéral monté dans un siège WO2012118324A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020110018940A KR101260468B1 (ko) 2011-03-03 2011-03-03 시트 장착형 사이드 에어백 장치
KR10-2011-0018940 2011-03-03

Publications (2)

Publication Number Publication Date
WO2012118324A2 true WO2012118324A2 (fr) 2012-09-07
WO2012118324A3 WO2012118324A3 (fr) 2012-12-27

Family

ID=46758375

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/001498 WO2012118324A2 (fr) 2011-03-03 2012-02-28 Appareil à coussin gonflable de sécurité latéral monté dans un siège

Country Status (2)

Country Link
KR (1) KR101260468B1 (fr)
WO (1) WO2012118324A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017143010A1 (fr) * 2016-02-16 2017-08-24 Tk Holdings Inc. Module à coussin gonflable de sécurité latéral central
CN107891834A (zh) * 2016-10-03 2018-04-10 丰田自动车株式会社 具有侧气囊设备的车辆座椅
WO2020071099A1 (fr) * 2018-10-03 2020-04-09 オートリブ ディベロップメント エービー Siège de véhicule
JP2020164130A (ja) * 2019-03-29 2020-10-08 株式会社Ｓｕｂａｒｕ 乗員保護装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10211854A (ja) * 1997-01-29 1998-08-11 Sensor Technol Kk 車両用サイドエアバッグ装置
JP4037005B2 (ja) * 1999-03-26 2008-01-23 ダイハツ工業株式会社 サイドエアバッグ装置
JP4506630B2 (ja) * 2005-09-26 2010-07-21 豊田合成株式会社 後席用サイドエアバッグ装置
KR20090027979A (ko) * 2007-09-13 2009-03-18 현대모비스 주식회사 차량의 사이드 에어백 모듈

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017143010A1 (fr) * 2016-02-16 2017-08-24 Tk Holdings Inc. Module à coussin gonflable de sécurité latéral central
US10131312B2 (en) 2016-02-16 2018-11-20 Joyson Safety Systems Acquisition Llc Center side airbag module
CN107891834A (zh) * 2016-10-03 2018-04-10 丰田自动车株式会社 具有侧气囊设备的车辆座椅
CN107891834B (zh) * 2016-10-03 2020-06-16 丰田自动车株式会社 具有侧气囊设备的车辆座椅
WO2020071099A1 (fr) * 2018-10-03 2020-04-09 オートリブ ディベロップメント エービー Siège de véhicule
US11358555B2 (en) 2018-10-03 2022-06-14 Autoliv Development Ab Vehicle seat
JP2020164130A (ja) * 2019-03-29 2020-10-08 株式会社Ｓｕｂａｒｕ 乗員保護装置
JP7283944B2 (ja) 2019-03-29 2023-05-30 株式会社Subaru 乗員保護装置

Also Published As

Publication number Publication date
KR101260468B1 (ko) 2013-05-06
WO2012118324A3 (fr) 2012-12-27
KR20120100201A (ko) 2012-09-12

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