WO2008059719A1 - Dispositif de retenue d'un équipier - Google Patents

Dispositif de retenue d'un équipier Download PDF

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Publication number
WO2008059719A1
WO2008059719A1 PCT/JP2007/071425 JP2007071425W WO2008059719A1 WO 2008059719 A1 WO2008059719 A1 WO 2008059719A1 JP 2007071425 W JP2007071425 W JP 2007071425W WO 2008059719 A1 WO2008059719 A1 WO 2008059719A1
Authority
WO
WIPO (PCT)
Prior art keywords
airbag
shape
deployed
restraint device
bag
Prior art date
Application number
PCT/JP2007/071425
Other languages
English (en)
Japanese (ja)
Inventor
Jinsoo Jang
Original Assignee
Takata Corporation
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 Takata Corporation filed Critical Takata Corporation
Publication of WO2008059719A1 publication Critical patent/WO2008059719A1/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
    • 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
    • B60R21/23138—Inflatable members characterised by their shape, construction or spatial configuration specially adapted for side protection
    • 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
    • B60R21/232—Curtain-type airbags deploying mainly in a vertical direction from their top edge
    • 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
    • B60R21/231—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
    • B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
    • B60R2021/23153—Inflatable members characterised by their shape, construction or spatial configuration specially adapted for rear seat passengers
    • 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
    • B60R2021/23161—Inflatable members characterised by their shape, construction or spatial configuration specially adapted for protecting at least two passengers, e.g. preventing them from hitting each 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
    • B60R21/231—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
    • B60R2021/23308—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 the individual compartments defining the external shape of the bag
    • 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
    • B60R2021/23386—External tether 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
    • 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
    • B60R21/213—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle roof frames or pillars

Definitions

  • the present invention relates to an occupant restraint device including an airbag for restraining an occupant at the time of a car collision.
  • An air bag folded and housed in a head liner on the roof side along the upper edge of the windshield, and an inflator connected to the air bag as a gas supply source is configured as a thin module It is.
  • a bag-like airbag is inflated and deployed along the windshield from an opening formed in a part of the headliner on the ceiling side.
  • Patent Document 2 discloses an overhead-type airbag device for a rear seat occupant.
  • a bracket is protruded from a part of a roof member substantially above the standard position of the front seat, and an airbag module including an airbag and an inflator is attached to the bracket.
  • Patent Document 3 discloses a curtain-shaped air bag in which an airbag accommodated in a passenger compartment ceiling is deployed in a curtain shape in a front region and a side region of a passenger in a state where a plurality of passengers are seated side by side.
  • a bag device is disclosed. Since the airbag device of Patent Document 3 is configured in a curtain shape, a relatively small-capacity airbag can be inflated in a wide area. Further, since the airbag device of Patent Document 3 deploys the airbag between the occupant and the inner side surface of the vehicle, the occupant moving to the side surface can also be restrained.
  • Patent Document 1 US Patent Application Publication No. 2003/0052476
  • Patent Document 2 Japanese Patent Laid-Open No. 10-264761
  • Patent Document 3 Japanese Patent Laid-Open No. 2005-1412
  • the airbag device of Patent Document 3 has a tubular duct extending to the upper end portion of the curtain and a lower end portion of the curtain in order to inflate a large number of chambers and maintain the overall shape when inflated. It has a horizontally long room. The horizontally long chamber moves downward and rearward when inflated and deployed, and restrains the seated occupant's waist.
  • the airbag device of Patent Document 3 is configured by combining various chambers and ducts. For this reason, there is a problem that the operation of sewing the airbag having a predetermined inflated shape from the base fabric is complicated and the cost is increased.
  • the curtain shape is complicated and has a wide deployment area, there is a possibility that smooth deployment of the entire airbag may be difficult.
  • the present invention is to provide an occupant restraint device that can restrain an occupant seated on a rear seat in various collision modes with a simple configuration.
  • an occupant restraint device includes an airbag that inflates and deploys from a ceiling side of a vehicle to a passenger compartment side when gas is supplied from an inflator. Is formed in a U-shape with an open end facing the rear of the vehicle in a plan view in an inflated and deployed state, and in a folded state, the first member disposed on the ceiling of the vehicle compartment. The second member is disposed adjacent to the first member on the ceiling of the passenger compartment, and the first member and the second member of the ceiling of the passenger compartment are disposed on the ceiling of the passenger compartment. A slit is provided between the airbags, and the airbag is inflated and deployed in the vehicle compartment via the slit when inflated.
  • the slit may be configured to be widen in a width direction, and the airbag may be hung down toward the vehicle compartment side by widening the slit when inflated and deployed.
  • a lid is disposed so as to cover at least a part of the slit, and the air nose is pushed and opened through the slit during the inflating and deploying, and is suspended to the vehicle compartment side. Good to do.
  • a tab is attached to the airbag, and the airbag is wrapped in a cover in a folded state and is accommodated in the accommodating portion, and is fixed to the ceiling via the tab. It is good also as being done.
  • the airbag includes a front wall bag that is deployed in a wall shape at positions in front of a plurality of rear seats in the vehicle interior, and a left side wall bag that is deployed in a wall shape on the left and right sides of the rear seat, respectively.
  • a right side wall bag, and the front wall bag and each side wall bag are integrally formed.
  • the airbag retains the shape of the left connection portion between the front wall bag and the left side wall bag and / or the right connection portion between the front wall bag and the right side wall bag. [Shape] 3 ⁇ 4 Good, even with the material.
  • the airbag may be composed of a plurality of inflatable cells communicating with each other, and in the inflated and expanded state, each cell may be inflated to constitute a wall-like body as a whole.
  • the airbag is formed by being partitioned by a plurality of non-inflation lines arranged in parallel at a predetermined interval in the longitudinal direction of the airbag, the inflatable expansion cell, and the plurality of the expansion cells. It is also possible to form a wall-like body as a whole, consisting of communication cells formed at both ends and communicating with each expansion cell.
  • the expansion cell and the communication cell may each be configured by a base fabric of the airbag.
  • a second inflator is provided, wherein the first and second inflators are arranged on a ceiling of the vehicle compartment, and the first and second inflators are respectively connected to the airbag.
  • the first and second inflators are configured to supply the gas to the airbag in synchronization with each other based on a command from the control unit.
  • the airbag has a left airbag and a right airbag, and has a U-shape as a whole.
  • the left airbag has an L-shape in plan view on the front side and the left side of the left rear seat.
  • the right airbag may be deployed in an L shape in plan view on the front and right sides of the right rear seat.
  • the left airbag includes a shape retaining member that maintains a shape of a connecting portion between a bag that is deployed on the front side of the left rear seat and a bag that is deployed on the left side, and the right airbag is disposed on the front side of the right rear seat. It is also possible to have a shape-retaining member that holds the shape of the connecting part between the unfolding bag and the unfolding bag on the right! /.
  • the occupant restraint device of the present invention includes an airbag that has a simple structure and is inflated and deployed in a wide range, the occupant seated in the rear seat can be effectively restrained in various collision modes. Touch with force S.
  • FIG. 1 is a perspective view of a vehicle interior showing a state in which an airbag according to an embodiment of an occupant restraint device of the present invention is housed in a ceiling liner.
  • FIG. 2 is a perspective view showing a state where the airbag shown in FIG. 1 is deployed.
  • Fig. 3 is a perspective view showing the airbag in a folded state accommodated in a ceiling liner.
  • FIGS. 4 (a) and 4 (b) are partial cross-sectional views showing an enlarged cross-sectional state and slits of an airbag housed in a ceiling liner.
  • FIG. 5 is a perspective view showing an inflated and deployed state of the airbag.
  • FIG. 6 is a perspective view showing an inflated and deployed state of a modified example of the airbag.
  • FIG. 7 is a partial cross-sectional view showing an attached state of the shape retaining sheet shown in FIG.
  • FIGS. 8 (a) and 8 (b) are perspective views showing the occupant restraint state by the airbag at the time of a collision, such as the vehicle rear side force.
  • Figs. 9 (a) to (d) show the occupant restraint state according to a modified example of the airbag from the rear side of the vehicle. It is the shown perspective view.
  • FIG. 10 is a perspective view showing a state in which a front seat airbag and a rear seat airbag are housed in a ceiling liner.
  • FIG. 11 is a partial cross-sectional view showing a modified example of the configuration shown in FIG. 4 (a) in the vicinity of the accommodating portion in the ceiling liner of the airbag.
  • the occupant restraint device 10 is accommodated in a ceiling liner 2 in a vehicle compartment 1 of the vehicle.
  • the occupant restraint device 10 for the occupant in the rear seat 4 is the subject of explanation! /, So in FIG. Being! / [0026]
  • the airbag 11 is housed in a recess 5 formed in a part of the periphery of the ceiling liner 2 made of a resin molded product in a folded state.
  • the recess 5 has a substantially U-shaped cross section that is open outward from the side surface of the ceiling liner 2.
  • the ceiling liner 2 is attached to a bracket plate 18 that is firmly fixed to a ceiling structure member of a vehicle (not shown) by anchor bolts 19.
  • a slit S is provided between the ceiling liner 2 and the ceiling liner 2C of the front seat rear seat communication section.
  • a slit S is provided between the ceiling liner 2 and the outer side ceiling liner 2B. Both the ceiling liner 2C and the outer ceiling liner 2B of the front seat rear seat communication section are formed of resin molded products. The configuration around the slit S will be described later.
  • the occupant restraint device 10 and the ceiling liner 2 etc. are shown in a state separated from the installation position for the sake of explanation.
  • a gas introduction pipe 14 and an inflator 13 are connected to both rear end portions of the airbag 11.
  • the inflator 13 is fixed and held on the upper surface of the ceiling liner 2 by a fixing member (not shown).
  • a signal line 7 from the control unit 6 is wired to the inflator 13.
  • the control unit 6 is connected to various sensors that detect frontal collisions, side collisions, oblique collisions, rollovers, and the like attached to various parts of the vehicle.
  • the front collision detection sensor 8 and the side collision detection sensor 9 are shown as installation examples!
  • the detection sensors 8, 9 When the sensors 8, 9 and the like detect a collision, the detection sensors 8, 9 output the ECU (electronic control unit) of the control unit 6 disposed in front of the vehicle driver's seat.
  • the inflator 13 operates in response to an operation command from the control unit 6.
  • the same shape of the inflator 13 is attached to the left and right rear ends of the airbag 11, and gas can be supplied from the two inflators 13 to the airbag 11 in synchronization.
  • the state signals detected in response to a collision at normal times are output from the detection sensors 8, 9, ... to the ECU (electronic control unit) of the control unit 6 arranged in front of the driver's seat of the vehicle.
  • the ECU processes in parallel the status signals from the collision detection units such as the detection sensors 8, 9,.
  • the ECU predicts the occurrence of a possible accident, identifies the type of accident, and inflates and deploys the optimal airbag device for restraining the passenger.
  • FIG. 2 shows a state where the airbag 11 is deployed from the occupant restraint device 10 shown in FIG. Figure 2
  • the airbag 11 of the present embodiment includes a front wall bag 11A in front of the occupant of the rear seat 4 and side wall bags 11B that are continuous at substantially right angles on both sides. With this configuration, the airbag 11 is inflated and deployed so as to surround the occupant during a collision.
  • the side wall bag 11B has a substantially trapezoidal shape with a short lower side so as to avoid interference with the rear seat seat back 4b when deployed. Further, a shape retaining sheet 20 described later is provided at the corner portion 11C of the airbag 11! /.
  • FIG. 3 shows the entire occupant restraint device 10 with the airbag 11 folded.
  • the airbag 11 is shown in a folded state with a part of the intermediate position cut away.
  • the airbag 11 sewed assuming a three-dimensional shape when inflated is folded into a bellows shape or a roll shape in a relatively dense state.
  • the airbag 11 is accommodated so as to be wrapped in a bag-like cover 12 made of a nonwoven fabric while maintaining the folded state.
  • the folded shape of the airbag 11 is preferably such that the rear side of the compartment is open and the length in the vehicle width direction is set according to the compartment space.
  • the length and height in the vehicle length direction are preferably set to such an extent that an area that sufficiently covers the side window can be secured.
  • tabs l On the upper end of the base fabric of the airbag 11, rectangular small tabs l it are formed at predetermined intervals along the longitudinal direction of the airbag. As shown in FIG. 3, the tab l it is spaced apart from the cover 12 by a predetermined distance in the longitudinal direction of the airbag 11 when the folded air knob 11 is accommodated in the cover 12. It protrudes from a part.
  • the ceiling liner 2 in which the airbag 11 is accommodated is incorporated into a body ceiling (not shown) as an interior material.
  • the position of the front surface portion F of the airbag 11 shown in FIG. 3 substantially coincides with the position of the slit S formed in the ceiling liner 2 shown in FIG.
  • the position force of the slit S is preferably substantially above the seat back 3b of the front seat 3.
  • FIG. 4 (a) is a cross-sectional view taken along line VI-VI in FIG.
  • the airbag 11 is compactly folded and accommodated in the cover 12 so as to have a substantially rectangular cross section.
  • Each tab l it protruding from the cover 12 is attached to the inner surface of the upper flange 2b of the recess 5 by the anchor bolt 19 described above.
  • the tab 1 It may be pulled out to the upper surface of the flange 2b.
  • the tab l it is the franc. It is fixed so as to be sandwiched between the bracket 2b and the bracket plate 18.
  • the lower flange 2a of the recess 5 is adjacent to the end of the outer side liner 2B and the ceiling liner 2C of the front seat rear seat communication part.
  • the adjacent part is a line-shaped slit S that is inconspicuous from the passenger compartment 1 side.
  • a flange 2f having a shape slightly bent upward facing the recess 5 is formed at the end on the ceiling liner 2 side of the outer ceiling liner 2B formed of a single plate. This flange 2f serves to hold and hold the airbag 11 in the recess 5 that is folded and accommodated in the cover 12 from the outside!
  • the slit S between the flange 2f of 2B receives the internal pressure (the inflation pressure of the airbag 11) and is expanded to form an opening in which the slit S is widened.
  • the entire airbag 11 protrudes from the opening toward the lower side of the vehicle and expands into a shape as shown in FIG. 2, thereby covering the front surface and both side surfaces of the rear seat 4.
  • the ceiling side of the airbag 11 is supported by a ceiling structural member (not shown) via a bracket plate 18 by a plurality of tabs l it, the airbag 11 can be used even when the vehicle rolls over.
  • the shape encloses the front side of the rear seat and the entire side facing the rear seat window. For this reason, even when the vehicle rolls over or the like, the occupant restraint device 10 of the present embodiment restrains the occupant in the rear seat 4 with the airbag 11 that is more effectively inflated and deployed.
  • FIG. 5 is a perspective view showing the inflated airbag 11 shown in FIG.
  • this is composed of a single cell 11a that expands vertically with a length of about 100 mm, a width of 100 to 150 mm, and a height of 400 to 500 mm.
  • the airbags 11 are sewn so as to form a continuous wall shape as a whole.
  • FIG. 6 shows a modification of the airbag 11.
  • the airbag 11 is formed by sewing the outer peripheral portions of two base fabrics having substantially the same shape, which are cut in consideration of the thickness and the entire shape corresponding to the front wall and the side wall of the airbag 11 in FIG. It is what I wore. Further, a plurality of parallel seams 15 are formed by securing a predetermined margin above and below the two base fabrics and stitching the two base fabrics at predetermined intervals in the longitudinal direction.
  • the expansion cells l ib are partitioned in parallel by the parallel seams 15, that is, the non-expansion lines.
  • each expansion cell 1 lb which becomes a substantially cylindrical shape, and the horizontally long which is the margin part of the up-and-down position communicating with these
  • the airbag 11 is configured integrally with the inflatable portion 1 Id.
  • FIG. 7 is a partial cross-sectional view taken along the line VII-VII shown in FIG.
  • two base fabrics are bonded together via the sealing material 16 and sewn together.
  • a non-inflatable line is formed between the two base fabrics.
  • the end of the cloth shape-retaining sheet 20 is sewn at the position of the seam 15 obtained by separating one expansion cell l ib from the seam 15 located at the corner 11C.
  • one shape-retaining sheet 20 having a predetermined area is attached to each corner portion 11C.
  • the shape retaining sheet 20 holds the shape of the corner portion 11C between the front wall bag 11A and the side wall bag 11B when inflated, and restrains an occupant (not shown) that moves toward the corner portion 11C at the time of collision. There is a role to shorten the distance.
  • the cloth shape retaining sheet 20 receives the occupant with deformation like a cushion, so that an EA (collision energy absorption) effect is exhibited.
  • EA collision energy absorption
  • a plurality of gaps between the seams 15 at positions where the plurality of expansion cells l ib are separated from the corner portion 11C are provided at predetermined intervals.
  • One shape-retaining sheet 20 may be provided.
  • FIG. 8 (a) shows a state in which the side collision detection sensor 9 detects a left side collision and the airbag 11 is inflated as seen from the rear of the passenger compartment.
  • the occupant P seated on the left seat is restrained by the left side wall bag 11B of the airbag 11.
  • Fig. 8 (b) shows the restraint mode at the time of oblique collision from the left front of the vehicle indicated by the white arrow.
  • the occupant P seated on the left seat abuts on the front wall bag 11A of the airbag 11 and the shape retaining seat 20 and is restrained.
  • the expansion cell l ib is deformed and the cloth shaped shape retaining sheet 20 is pressed against the corner portion 11C. This ensures a sufficient amount of movement after the collision of the head of the occupant P. Therefore, in this example The airbag 11 absorbs shock better during a collision.
  • FIGS. 9 (a) to 9 (d) show a modified example of the airbag 11 and its occupant restraint mode.
  • the airbag 11 is subjected to IJ as airbags 11L and 11R on the left and right.
  • the airbags 11L and 11R are controlled by the control unit 6 so that they can be inflated and deployed independently.
  • Fig. 9 (a) when the left occupant P force S is seated in the left rear seat 4L and the right occupant P is seated in the right rear seat 4R, the left and right airbags 11L, 1
  • Both 1R can be inflated and deployed. And in each collision form, each passenger
  • only the left airbag 11L may be deployed as shown in FIG. 9 (b).
  • a seat sensor not shown.
  • the airbag 11R may be deployed or not deployed. At the same time, it is sub between the left rear seat 4L and the right rear seat 4R, that is, between the left occupant P and the right occupant P.
  • the airbag 17 may be deployed.
  • inflating and deploying the sub airbag 17 between the occupants for example, in the case of a left collision, the left occupant P is restrained by the side wall bag 11B of the left airbag 11L, and the right occupant P is restrained by the sub airbag 17.
  • the occupant P seated on the left side of the seat against the side collision from the right side is restrained by the sub airbag 17.
  • the sub airbag 17 may be used in combination with the airbag 11 described above. In this way, by using the sub airbag 17 in combination with the airbag 11 (11L, 11R), it is possible to restrain passengers seated on the side far from the collision surface at the time of a side collision.
  • FIG. 10 shows a modified example of the occupant restraint device 10 accommodated in the ceiling liner 2.
  • An occupant restraint device 10 shown in FIG. 10 includes an airbag 11 having the same configuration as that of FIG. 2 as a front seat airbag 11F for the front seat 3 in addition to the rear seat airbag 11R for the rear seat 4.
  • the front airbag 11F is deployed to surround the front and side of the front driver's seat and front passenger seat at the time of collision.
  • a recess 5F similar to the recess 5 may be formed at this position.
  • the airbag 11F in a folded state can be accommodated in the same manner as the airbag 11. According to this occupant restraint device 10, it is possible to significantly reduce costs compared to the conventional case where various types of collisions are assumed and a plurality of airbags are installed corresponding to each seated occupant. I'll do it.
  • the front seat airbag 11F may have a U-shape opened toward the rear of the vehicle in plan view.
  • airbags similar to the left airbag 11L and the right airbag 11R shown in FIG. 9 (a) may be provided in the passenger seat and the driver seat, respectively.
  • An airbag similar to the left airbag 11L may be provided only in the passenger seat.
  • FIG. 11 shows a modification of the configuration of the outer side ceiling liner 2B adjacent to the lower flange 2a of the ceiling liner 2.
  • FIG. 11 is a cross-sectional view corresponding to FIG. 4 (a) described above.
  • the configuration in which the folded airbag 11 is accommodated in the recess 5 provided in the ceiling liner 2 is the same as in FIG. 4 (a).
  • This modification is different from the configuration shown in FIG. 4 (a) in the configuration force of the outer ceiling liner 2B adjacent to the flange 2a via the slit S.
  • the outer side ceiling liner 2B shown in FIG. 11 is formed of a resin molded product. As shown in FIG. 11, the flange 2a side portion of the outer ceiling liner 2B is a plate-like lid 21. The slit S between the lid 21 and the flange 2a is provided with dimensions that are inconspicuous in design as viewed from the passenger compartment 1 side.
  • the air knob 11 expands.
  • the lid 21 is pushed open from the ceiling side and deployed to the passenger compartment 1 side.
  • the opened lid 21 is indicated by a two-dot chain line in FIG.
  • a recess 22 may be provided in the lid 21 so that the lid 21 can be easily opened.
  • the lid 21 may be connected to the outer side ceiling liner 2B by a hinge mechanism.
  • FIG. 11 for the sake of simplification of illustration, components that prevent the airbag 11 from being inflated and deployed to other than the compartment 1 side are not shown.
  • FIG. 11 for the sake of simplification of illustration, components that prevent the airbag 11 from being inflated and deployed to other than the compartment 1 side are not shown.
  • FIG. 11 for the sake of simplification of illustration, components that prevent the airbag 11 from being inflated and deployed to other than the compartment 1 side are not shown.
  • FIG. 11 for the sake of simplification of illustration, components that prevent the airbag 11 from being inflated and deployed to other than the compartment 1 side are not shown.
  • the power is shown on the outer side liner 2B on the side of the vehicle! The same structure may be applied to the inner 2C. Further, in FIG. 11, the force S having the butted structure of the flange 2a and the lid 21 may be superimposed on the flange 2a from the passenger compartment 1 side.
  • the present invention may be implemented by the following configuration, for example. Various modifications can be made without departing from the spirit of the present invention.
  • the shape retaining sheet 20 is provided at the corner portion 11 C of the airbag 11.
  • the corner portion 11C may be configured to have a triangular shape as viewed from the upper side of the vehicle by the base fabric of the airbag 11.
  • This triangle can be, for example, a right-angled isosceles triangle in which the front wall bag 11A side and the side wall bag 11B side are sides having the same length, or a shape approximate thereto.
  • the shape retaining sheet 20 can be used in combination with the triangular corner portion 11C.
  • FIGS. 9 (c) and 9 (d) the sub air bar deployed between the left occupant P and the right occupant P is shown.
  • Such a sub airbag 17 may be used in combination with the airbag 11 shown in FIG.
  • the present invention can be suitably used for vehicles such as passenger cars.

Landscapes

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

Abstract

L'invention concerne un dispositif (10) de retenue d'équipier, le dispositif ayant un coussin gonflable (11) qui se gonfle et se déploie à partir du côté du plafond d'un véhicule vers le côté du compartiment (1) lorsque du gaz est fourni à partir d'un gonfleur (13), le coussin gonflable (11) ayant une forme en U, en vue en plan, avec l'extrémité ouverte dirigée vers l'arrière du véhicule dans un état gonflé/déployé. Dans un état plié, le coussin gonflable (11) est contenu dans une section de réception (5) formée en un premier élément (2) disposé à la partie de plafond dans le compartiment (1) du véhicule. De seconds éléments (2B, 2C) sont disposés de façon contiguë au premier élément au niveau du plafond dans le compartiment (1), une fente (S) est disposée entre le premier élément (2) et les seconds éléments (2B, 2C) au niveau du plafond dans le compartiment (1), et le coussin gonflable (11) se gonfle et se déploie dans le compartiment à travers la fente (S).
PCT/JP2007/071425 2006-11-15 2007-11-02 Dispositif de retenue d'un équipier WO2008059719A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006-308695 2006-11-15
JP2006308695A JP2008120313A (ja) 2006-11-15 2006-11-15 乗員拘束装置

Publications (1)

Publication Number Publication Date
WO2008059719A1 true WO2008059719A1 (fr) 2008-05-22

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JP (1) JP2008120313A (fr)
WO (1) WO2008059719A1 (fr)

Cited By (4)

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GB2482772A (en) * 2010-08-12 2012-02-15 Gm Global Tech Operations Inc An airbag with first and second chambers inflated at an angle
US10414372B2 (en) * 2013-10-01 2019-09-17 Subaru Corporation Vehicle seat airbag system and vehicle seat
US11351946B1 (en) * 2021-02-12 2022-06-07 Ford Global Technologies, Llc Airbag inflatable behind seatback of front seat
WO2023003743A1 (fr) * 2021-07-21 2023-01-26 ZF Passive Safety Systems US Inc. Appareil servant à recouvrir une ouverture de pare-brise d'un véhicule

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JP5901915B2 (ja) * 2010-10-04 2016-04-13 オートリブ ディベロップメント エービー カーテンエアバッグ
DE102010056342A1 (de) * 2010-12-29 2012-07-05 Autoliv Development Ab Vorhanggassack für ein Fahrzeug
CN103442954B (zh) * 2011-04-19 2016-03-02 奥托立夫开发公司 联合气囊模块
KR101316472B1 (ko) * 2011-09-21 2013-10-08 현대자동차주식회사 차량용 센터 커튼 에어백 장치
JP6156279B2 (ja) * 2014-07-30 2017-07-05 マツダ株式会社 車両の後席エアバッグ装置
JP6771862B2 (ja) * 2015-03-23 2020-10-21 住友建機株式会社 建設機械

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JP2005001412A (ja) * 2003-06-09 2005-01-06 Takata Corp 乗員保護装置
JP2005035310A (ja) * 2003-05-20 2005-02-10 Takata Corp 乗員保護装置
WO2005058643A2 (fr) * 2003-12-11 2005-06-30 Automotive Systems Laboratory, Inc. Conception de coussin gonflable formant un rideau lateral

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JP2005035310A (ja) * 2003-05-20 2005-02-10 Takata Corp 乗員保護装置
JP2005001412A (ja) * 2003-06-09 2005-01-06 Takata Corp 乗員保護装置
WO2005058643A2 (fr) * 2003-12-11 2005-06-30 Automotive Systems Laboratory, Inc. Conception de coussin gonflable formant un rideau lateral

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2482772A (en) * 2010-08-12 2012-02-15 Gm Global Tech Operations Inc An airbag with first and second chambers inflated at an angle
US20120038134A1 (en) * 2010-08-12 2012-02-16 GM Global Technology Operations LLC Airbag system for a motor vehicle
US8534700B2 (en) * 2010-08-12 2013-09-17 GM Global Technology Operations LLC Airbag system for a motor vehicle
US10414372B2 (en) * 2013-10-01 2019-09-17 Subaru Corporation Vehicle seat airbag system and vehicle seat
US11390234B2 (en) 2013-10-01 2022-07-19 Subaru Corporation Vehicle seat airbag system and vehicle seat
US11351946B1 (en) * 2021-02-12 2022-06-07 Ford Global Technologies, Llc Airbag inflatable behind seatback of front seat
WO2023003743A1 (fr) * 2021-07-21 2023-01-26 ZF Passive Safety Systems US Inc. Appareil servant à recouvrir une ouverture de pare-brise d'un véhicule

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