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WO2013108473A1 - Dispositif de coussin gonflable - Google Patents

Dispositif de coussin gonflable Download PDF

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Publication number
WO2013108473A1
WO2013108473A1 PCT/JP2012/079452 JP2012079452W WO2013108473A1 WO 2013108473 A1 WO2013108473 A1 WO 2013108473A1 JP 2012079452 W JP2012079452 W JP 2012079452W WO 2013108473 A1 WO2013108473 A1 WO 2013108473A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
airbag
seat
tension member
protection device
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2012/079452
Other languages
English (en)
Japanese (ja)
Inventor
松下徹也
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Autoliv Development AB
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
Priority to JP2013554190A priority Critical patent/JP5793203B2/ja
Publication of WO2013108473A1 publication Critical patent/WO2013108473A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B60R21/20—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
    • B60R21/18—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags the inflatable member formed as a belt or harness or combined with a belt or harness arrangement
    • 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
    • B60R21/23—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

Definitions

  • the present invention relates to an airbag device provided with an airbag that inflates and deploys to the side of an occupant of a vehicle seat at the time of a side collision of the vehicle.
  • the occupant moves in the vehicle width direction.
  • a vehicle such as a vehicle or a power pole
  • a passenger on the collision object contact side near side passenger; in this case, passenger on the passenger seat
  • An occupant (far-side occupant; in this case, a driver-side occupant) far away from the vehicle moves greatly due to inertia and collides with a near-side occupant or a hard object in the passenger compartment, resulting in an obstacle.
  • an airbag device that includes an airbag that inflates and deploys between a driver seat and a passenger seat, and that protects an occupant moving toward the center of the vehicle due to an impact from the lateral direction.
  • Patent Document 1 proposes an airbag that inflates and deploys between a driver seat and a passenger seat, and that protects an occupant moving toward the center of the vehicle due to an impact from the lateral direction.
  • Patent Document 1 describes an airbag device in which an airbag that expands and deploys upward (so-called far-side airbag) is stored in a center console disposed between a driver seat and a passenger seat. Yes.
  • the side airbag deployed near the side door is supported by the side door even when the occupant is received, so that it stays in the inflated and deployed position and can absorb the impact.
  • the airbag device deployed on the far side as described in Patent Document 1 is not supported by an object such as a side door, even if it is inflated and deployed, it falls down due to the impact of catching the occupant, and there is a problem in absorbing the impact. There is a possibility of coming out.
  • ultra-compact EVs electric vehicles
  • This ultra-compact EV is a vehicle including, for example, one vehicle seat, and an airbag device that protects an occupant who moves to the side of the vehicle seat in a side collision or the like is required.
  • the present invention has been made in view of such a problem, and an object of the present invention is to provide an airbag device capable of receiving and protecting an occupant more reliably on the side of a vehicle seat in a side collision.
  • a typical configuration of an airbag device is provided in a seat back of a vehicle seat including a seat back and a seat cushion, and uses a gas supplied from an inflator.
  • An airbag that inflates and deploys to the side of the occupant of the vehicle seat, and a tension member that is disposed on a side surface of the vehicle seat and is provided from the seat back toward the front of the vehicle of the seat cushion when the airbag is deployed.
  • the airbag When the airbag is deployed, there is a detour portion that goes around from the shortest distance of the route by the inflating airbag in the middle of the route of the tension member extending along the side surface of the vehicle seat from the seat back to the front of the seat cushion.
  • the airbag and the tension member are arranged on the vehicle seat so as to occur in the tension member. And butterflies.
  • the path of the tension member that extends along the side surface of the vehicle seat is a path that goes away from the shortest distance from the seat back to the front of the seat cushion by the inflating airbag. That is, the tension member is pushed to the side of the vehicle seat by the airbag that inflates and deploys to the side of the vehicle seat occupant, and the above-described detour portion is generated along, for example, the surface of the airbag.
  • the pulling member has a detoured portion so that the tension member is slackened and is stretched from the seat back toward the front of the vehicle. Therefore, the tension member supports the occupant, for example, the thigh and the waist from the side of the vehicle seat.
  • an occupant moving to the side of the vehicle seat due to a side collision or the like is received by the airbag and the tension member that supports the airbag.
  • the airbag absorbs the shock appropriately without falling down, so that the occupant can be protected more reliably.
  • the tension member may be given tension by a deployed airbag.
  • the tension member is pulled by the airbag that is inflated and deployed, and slack is taken.
  • deployed airbag supports the expand
  • a mechanism such as pulling the tension member using an appropriate actuator and applying tension to the tension member becomes unnecessary, and the configuration is simplified. it can.
  • the tension member has one end attached to the upper part of the seat back and the other end attached from the vicinity of the waist of an adult occupant seated in a side view to the front part of the seat cushion. Good.
  • the tension member moves the region between the waist portion of the adult occupant and the thigh, for example, between the one end portion and the other end portion when the airbag is deployed, to the side of the vehicle seat via the airbag. It can be supported from one side.
  • the adult occupant in this application includes adult men and women having a general average physique and even small adult women.
  • the physiques of these adult occupants are determined by automobile safety standards (frontal collision dummy AF05, AM50, side collision dummy SID-IIs, ES-2, etc.) in each country.
  • a place such as a part indicates the position of each part of the dummy.
  • the tension member extends along the side surface of the vehicle seat, and one end and the other end are provided outside the airbag. For this reason, in the said structure, since it is not necessary to provide a tension member in the inside of an airbag, installation of an airbag apparatus etc. become easy and can further simplify a structure.
  • the other end of the tension member may extend from one side surface of the seat cushion toward the other side surface and be attached to the inside of the seat cushion.
  • the tension member when the adult occupant sitting on the seat cushion moves to one side surface of the seat cushion due to a side collision or the like, the tension member reaches from the one side surface of the seat cushion to the other end portion. Part of the range will hit the adult occupant's thigh directly. For this reason, a part of the tension member is pressed by the thigh due to the movement of the adult occupant, and the tension applied to the tension member increases. As a result, the tension member can more reliably support the inflated and deployed airbag from the side of the vehicle seat, and can more reliably protect the occupant.
  • the tension member has one end attached to the upper part of the seat back and the other end between the vicinity of the waist of an adult occupant seated in a side view and the front part of the seat cushion, and from the seat cushion. It is good to be attached to the part located in the vehicle lower part.
  • the part located below the seat cushion to which the other end portion of the tension member is attached includes a rail under the seat cushion, a floor surface of the vehicle, and the like.
  • the pulling member may be attached through a corresponding portion between the waist and thighs of an adult occupant seated in a side view when the airbag is deployed.
  • the tension member supports the region from the side of the waist of the adult occupant to the thigh between the one end and the other end from the side of the vehicle seat, and the occupant is more reliably secured. Can take it.
  • the tension member is a belt-like member that is attached to the side surface of the vehicle seat from the seat back to the seat cushion, and is provided so as to overlap the airbag on the outer side when viewed from the occupant seated on the vehicle seat. There should be.
  • the tension member which is a belt-like member, is provided so as to overlap with the airbag on the outside as viewed from the occupant, so that the airbag can be supported from the side of the vehicle seat. Further, since the belt-like member is attached to the side surface of the vehicle seat before the airbag is inflated and deployed, it does not interfere with the occupant.
  • the intermediate portion of the tension member is detached from the vehicle seat by the airbag that is inflated and deployed, the slack is removed by the airbag that is inflated, and the airbag is seated back by the tension generated in the tension member. It is good to have a length that can be pressed against the surface. As a result, the tension member is pressed by the inflated and deployed airbag and given tension, and the airbag can be pressed against the seat back.
  • the intermediate portion of the tension member is a portion other than one end and the other end.
  • the above-described airbag device may further include a guide portion that guides the tension member on the outside as viewed from the occupant seated on the vehicle seat of the airbag. This prevents the airbag from inflating and deploying through the tension member. Therefore, the tension member can more reliably support the inflated and deployed airbag from the side of the vehicle seat.
  • One end of the pulling member is attached to the first attachment point of the seat back, and the airbag has an edge that is higher in the vehicle vertical direction than the first attachment point when inflated and deployed. Good.
  • the tension member is folded back by the edge of the airbag that is higher than the first attachment point, so that the slack is removed and the tension is applied more quickly. It is done.
  • the detour portion of the tension member may be a portion present at a position where the height in the vehicle vertical direction is higher than the first attachment point.
  • pulling member turns into a path
  • the pulling member is detoured along the surface of the airbag by the inflating airbag, and a slack is taken by the detoured portion so that the airbag is sandwiched.
  • the tension member is tensioned from the inflating airbag.
  • the above-described airbag may have a reinforcing structure in a region that comes into contact with the tension member when inflated and deployed, and the reinforcing structure may be formed by reinforcing sewing or a reinforcing cloth.
  • the airbag described above is preferably provided at a predetermined position of the seat back or has a predetermined shape so as to support at least a shoulder portion of an adult occupant when inflated and deployed in a side view. Thereby, since an airbag restrains a passenger
  • the airbag may be provided at a predetermined position of the seat back or have a predetermined shape so as to cover the head of the adult occupant when inflated and deployed in a side view.
  • the airbag not only restrains the occupant's shoulder, but also covers the head, thereby restricting the movement of the head and preventing the head from colliding with a hard object in the passenger compartment, for example.
  • the above-described airbag device may further include a rotation fixture that rotatably attaches at least the other end of the tension member to the vehicle seat.
  • a rotation fixture that rotatably attaches at least the other end of the tension member to the vehicle seat.
  • the direction in which the tension member is passed from one end to the other end changes.
  • at least the other end of the tension member rotates, so the direction can be changed without being twisted, and the tension member is stable in the same wide state as before the airbag inflating and deploying.
  • the airbag can be supported.
  • a plurality of the vehicle seats are provided in the vehicle width direction, the airbag is embedded in a side surface of the vehicle seat in the vehicle width direction in the vehicle width direction, and the pulling member passes through the vehicle center side of the airbag. It is good to be provided. Thereby, the airbag inflated and deployed on the vehicle center side of the vehicle seat is supported from the vehicle center side by the tension member. Therefore, an occupant who moves toward the center of the vehicle due to a side collision or the like can be received by the airbag and the tension member that supports the airbag.
  • a plurality of the vehicle seats are provided in the vehicle width direction, and the other end of the tension member extends from the side surface of the seat cushion toward the side of the vehicle outside and is attached to the inside of the seat cushion. It is good to have been.
  • a part of the range of the tension member from the side surface on the vehicle center side to the other end of the seat cushion is moved to the vehicle center side by a side collision or the like. It directly hits the thigh of a moving adult occupant. For this reason, a tension
  • the tension member can more reliably support the inflated and deployed airbag from the vehicle center side, and can more reliably protect the occupant.
  • the vehicle seat is provided only in the vehicle width direction, and the other end of the tension member extends from one side surface of the seat cushion in the vehicle width direction toward the other side surface of the vehicle. It is good to be installed in the inside.
  • a vehicle for example, a single-seater electric vehicle, so-called ultra-compact EV
  • ultra-compact EV in which only one vehicle seat is provided in the vehicle width direction, from one side surface of the seat cushion in the vehicle width direction of the tension member.
  • a part of the range reaching the other end part directly hits the thigh of an adult occupant moving to one side in the vehicle width direction due to a side collision or the like.
  • tensile_strength increases, when the tension member is pressed down by the thigh.
  • the tension member can more reliably support the inflated airbag from one side in the vehicle width direction, and can more reliably protect the occupant.
  • an airbag device capable of more reliably receiving and protecting an occupant on the side of a vehicle seat in the event of a side collision.
  • FIG. 1 It is a figure which shows a part of vehicle to which the airbag apparatus in embodiment of this invention is applied. It is a figure which illustrates the state in which the airbag apparatus of FIG. 1 was accommodated. It is a figure which illustrates the state which the airbag apparatus of FIG. 2 expanded and expanded. It is a figure which illustrates the state which looked at the air bag device of Drawing 3 from the vehicles front side. It is a figure which illustrates the airbag of the airbag apparatus of FIG. It is a figure which illustrates the state which the other airbag apparatus expanded and expanded. It is a figure which illustrates the state in which the other airbag apparatus was accommodated, and the state which expand
  • FIG. 1 is a view showing a part of a vehicle 110 to which an airbag device 100 according to an embodiment of the present invention is applied.
  • the airbag apparatus 100 is embedded in the side surface of the vehicle seat 120 on the vehicle center side, for example, as indicated by a dotted line in the figure.
  • the vehicle seat 120 is a left front seat (for example, a passenger seat) in the vehicle 110, and includes a seat back 122 and a seat cushion 124 on which an occupant is seated.
  • the side door 130 is located on the vehicle outer side of the vehicle seat 120, and the vehicle seat 120A is disposed on the vehicle center side.
  • the vehicle seat 120A is a right front seat (for example, a driver's seat), and includes a seat back 122A and a seat cushion 124A.
  • the airbag device 100 may be embedded in the side surface of the vehicle seat 120A on the vehicle center side.
  • FIG. 2 is a diagram illustrating a state in which the airbag device 100 of FIG. 1 is accommodated.
  • the front side of the page is the vehicle center side
  • the back side of the page is the vehicle outside.
  • the airbag device 100 includes an airbag 140 embedded in the seat back 122 and a belt-like member 150 such as a belt (or tether) attached from the seat back 122 to the seat cushion 124.
  • a belt-like member 150 such as a belt (or tether) attached from the seat back 122 to the seat cushion 124.
  • the airbag 140 and the belt-shaped member 150 are shown to be visually recognized on the side surface of the vehicle seat 120 on the vehicle center side, but an appropriate cover that is torn along with the inflation and deployment of the airbag 140. It may be covered with.
  • the airbag 140 has a guide portion 142 having both ends 142 a and 142 b attached to the surface on the vehicle center side by sewing or the like.
  • the guide part 142 guides the belt-like member 150 so that the embedded airbag 140 and the belt-like member 150 overlap in a side view.
  • the belt-like member 150 passes through the surface of the airbag 140 on the vehicle center side while being guided by the guide portion 142.
  • the belt-like member 150 has an upper end (one end) 152 fixed at a first attachment point 156 via a through anchor 154 and a lower end (other end) 158 via a through anchor 160.
  • the second attachment point 162 is rotatably fixed.
  • the through anchors 154 and 160 are used as fixtures.
  • the present invention is not limited to this, and any appropriate fixture may be used as long as it is a so-called D-ring.
  • the first attachment point 156 is set on the seat frame 164 in the seat back 122.
  • the second attachment point 162 is located on the vehicle front side with respect to the first attachment point 156, and is set to an appropriate frame in the seat cushion 124, for example.
  • FIG. 3 is a diagram illustrating a state in which the airbag device 100 of FIG. 2 is inflated and deployed.
  • FIG. 3A shows a state in which the inflated airbag device 100 is viewed from the vehicle center side.
  • FIG. 3B shows the airbag 140 shown in FIG.
  • FIG. 4 is a diagram illustrating a state in which the airbag apparatus 100 of FIG. 3 is viewed from the front side of the vehicle. In the drawing, a dummy 166 simulating an occupant is shown. In FIG.
  • the vehicle 110 receives a lateral impact (see arrow A) due to a side collision
  • the dummy 166 receives a lateral impact (see arrow B) toward the vehicle center due to inertia.
  • the state which moves to the side is shown. That is, the flow line axis of the dummy 166 accompanying the side collision is the horizontal direction (that is, the vehicle width direction) indicated by these arrows A and B.
  • the airbag device 100 includes an inflator 168 shown in FIG. 3B in addition to the airbag 140 and the belt-like member 150.
  • an inflator 168 shown in FIG. 3B in addition to the airbag 140 and the belt-like member 150.
  • the operation of the airbag apparatus 100 at the time of a side collision will be described.
  • the airbag 140 is inflated and deployed on the vehicle center side of the vehicle seat 120 using the gas supplied from the inflator 168.
  • the belt-like member 150 is pushed by the airbag 140 that inflates and deploys toward the vehicle center side.
  • an appropriate cover that covers the side surface of the vehicle seat 120 on the vehicle center side is torn, and parts other than the upper end portion 152 and the lower end portion 158 of the belt-like member 150 are detached from the vehicle seat 120.
  • the edge portion (upper edge portion 144) of the inflated and deployed airbag 140 has the upper end portion 152 of the belt-like member 150 attached to the seat back 122 via the through anchor 154.
  • the height in the vehicle vertical direction is higher than the first attachment point 156.
  • the belt-like member 150 is folded back at the top portion 170 in contact with the upper edge portion 144 of the airbag 140 as shown in FIG.
  • the belt-like member 150 folded back at the top portion 170 detours along the surface of the inflated and deployed airbag 140 from the upper end portion 152 through the top portion 170 to the lower end portion 158, and sandwiches the airbag 140 therebetween. It becomes a shape.
  • the height of the first attachment point 156 in the vehicle vertical direction is indicated by a dotted line L.
  • the range of the belt-like member 150 at a position higher than the dotted line L is defined as a bypass portion 171.
  • the detour portion 171 has a range indicated by a halftone dot in the drawing from the upper end portion 152 through the top portion 170.
  • the belt-like member 150 has a length from the first attachment point 156 of the seat back 122 to the second attachment point 162 of the seat cushion 124 along the side surface of the vehicle seat 120. is doing. For this reason, the belt-like member 150 includes slack and cannot obtain a tension simply by detaching from the vehicle seat 120. However, as described above, the belt-like member 150 is folded back at the top portion 170 by the airbag 140 inflated and deployed toward the center of the vehicle, and along the surface of the airbag 140, a detour portion 171 is generated and slack is removed. It is done.
  • the belt-like member 150 extends along the side surface of the vehicle seat 120 from the seat back 122 to the front of the seat cushion 124. Then, when the airbag 140 is deployed, the belt-shaped member 150 is bypassed from the shortest distance of the route by the airbag 140 that is inflated in the middle of the route from the seat back 122 toward the front of the seat cushion 124 in the vehicle direction. Produce. As a result of the occurrence of the detour portion 171 and the sagging, the belt-like member 150 can receive the tension more quickly from the airbag 140 that is inflated and deployed, and can support the airbag 140 by pressing it against the seat back 122. Become.
  • the belt-like member 150 can be said to be a tension member to which tension is applied by being pulled by the deployed airbag 140 and taking up slack.
  • the tension member is not limited to the belt-like member 150 such as a belt as long as it is a member provided by the deployed airbag 140, and may be a string-like member or a cloth-like member having a wider and larger area. Furthermore, it may have a mesh shape as well as a densely woven fabric.
  • the lower end portion 158 of the belt-like member 150 is rotatably fixed by the through anchor 160 at the second attachment point 162 located on the vehicle front side with respect to the first attachment point 156.
  • the belt-like member 150 is separated from the vehicle seat 120 except for the upper end portion 152 and the lower end portion 158 (that is, the intermediate portion) due to the inflation and deployment of the airbag 140, the direction in which the belt-like member 150 is passed changes.
  • the lower end portion 158 of the band-shaped member 150 so as to be rotatable by the through anchor 160, the direction of the band-shaped member 150 can be changed without being twisted. Therefore, the belt-like member 150 can stably support the airbag 140 in a wide state similar to that before the inflation and deployment.
  • the belt-like member 150 extends obliquely downward in a wide state without being twisted toward the vehicle front side from the top portion 170 to the lower end portion 158. At this time, the belt-like member 150 overlaps the portion of the dummy 166 corresponding to, for example, between the waist and the thigh in a side view.
  • the guide portion 142 attached to the surface of the airbag 140 on the vehicle center side guides the belt-like member 150, thereby preventing the airbag 140 from passing through the belt-like member 150 and inflating and deploying.
  • the passenger protection performance is stabilized since the points on the surface of the airbag 140 where the tension of the belt-like member 150 acts can be prevented, the passenger protection performance is stabilized.
  • the airbag 140 overlaps the shoulder, chest, and part of the abdomen of the dummy 166 in a side view. That is, the airbag 140 is provided at a predetermined position of the seat back 122 or has a predetermined shape so as to support at least a shoulder portion of an adult occupant when inflated and deployed in a side view. Thereby, the airbag 140 will restrain a passenger
  • the predetermined position may be, for example, a position as close as possible to the upper end of the seat back 122.
  • the predetermined shape is a shape that is inclined upward toward the front side of the vehicle so that the upper edge portion 144 of the airbag 140 when inflated and deployed is higher than the shoulder portion of the dummy 166. It may be.
  • the belt-like member 150 that is pressed and applied with the tension by the inflated airbag 140 causes the airbag 140 to be inflated and deployed.
  • the airbag 140 is supported from the side, and the airbag 140 is pressed against the seat back 122 to restrict the movement of the airbag 140.
  • the belt-like member 150 supports a portion of the occupant from, for example, the waist to the thigh from the center of the vehicle at a location from the top 170 to the lower end 158.
  • the airbag device 100 an occupant who moves toward the center of the vehicle due to a side collision or the like is received by the airbag 140 and the belt-like member 150 that supports it. Therefore, according to the airbag device 100, since the airbag 140 appropriately absorbs the shock without falling down, compared to the case where the airbag 140 is received alone, the passenger can be more reliably protected.
  • the belt-like member 150 is attached to the side surface of the vehicle seat 120 on the vehicle center side before the airbag 140 is inflated and deployed, it does not interfere with the occupant when the seat back 122 is reclined or boarded / exited. .
  • FIG. 5 is a diagram illustrating the airbag 140 of the airbag device 100 of FIG. 3.
  • FIG. 5A shows a state in which the reinforcement sewing portion 146 is formed on the airbag 140.
  • FIG. 5B shows a state in which a separate reinforcing cloth 148 is attached to the airbag 140.
  • the airbag 140 shown in FIG. 5 (a) has a reinforcing sewing portion 146 in a region that comes into contact with the belt-like member 150 during inflation and deployment, in addition to the guide portion 142 having both ends 142a and 142b sewn on the surface on the vehicle center side.
  • the airbag 140 having the reinforced sewing portion 146 a region that comes into contact with the belt-like member 150 at the time of inflation and deployment is reinforced. That is, the airbag 140 can withstand friction with the belt-shaped member 150 by the reinforcing structure formed by the reinforcing sewing portion 146.
  • the airbag 140 shown in FIG. 5 (b) has a separate reinforcing cloth 148 that covers not only the region that contacts the belt-like member 150 during inflation and deployment, but also the periphery of this region.
  • both ends 142 a and 142 b of the guide portion 142 are sewn on the surface of the airbag 140 on the vehicle center side that overlaps the reinforcing cloth 148.
  • the airbag 140 having the reinforcing cloth 148 reinforces not only the region in contact with the belt-like member 150 during inflation and deployment, but also the periphery of the region. That is, the airbag 140 can sufficiently withstand the friction with the belt-shaped member 150 by the reinforcing structure formed by the separate reinforcing cloth 148.
  • the airbag 140 has a reinforcing structure formed by reinforcing sewing 146 or a separate reinforcing cloth 148, so that the airbag 140 is not deformed by contact with the band-shaped member 150 during inflation and deployment, and as a whole, the band-shaped member 150 Thus, the vehicle is reliably supported from the vehicle center side. Further, in the belt-like member 150, as shown in FIG. 3 (b), a sewing portion 172 or the like is formed at a location where the airbag 140 is in contact with the airbag 140, and the positional deviation from the airbag 140 is prevented when the airbag 140 is inflated and deployed. You may make it prevent.
  • FIG. 6 is a diagram illustrating a state where another airbag device 100A is inflated and deployed.
  • symbol is attached
  • the airbag device 100A differs from the airbag device 100 in that the airbag 140A covers the head of the dummy 166 when inflated and deployed in a side view.
  • the airbag 140 overlaps the shoulder, chest, and part of the abdomen of the dummy 166 in a side view.
  • the shape of the airbag 140A is made larger than that of the airbag 140 or the position of the airbag 140A embedded in the seat back 122 is changed.
  • the airbag 140A is embedded at a position as close as possible to the upper end of the seat back 122.
  • the shape of the airbag 140A is such that the edge portion (upper edge portion 144A) at the time of inflating and deploying is inclined upward toward the vehicle front side, and the vehicle front side edge is more than the vehicle rear side edge.
  • the airbag 140A can cover the head as well as the shoulder, chest, and abdomen of the dummy 166. Therefore, in the airbag device 100A, the airbag 140A not only restrains the occupant's shoulder, but also covers the head, thereby restricting the movement of the head, and the head collides with, for example, a hard object in the passenger compartment. Since this can be prevented, occupant protection performance can be further improved.
  • the upper edge portion 144A when the airbag 140A is inflated and deployed is positioned higher than the upper edge portion 144. For this reason, the belt-like member 150 is folded back at the top portion 170 ⁇ / b> A that is higher than the top portion 170, and the slack is sufficiently taken to give tension. Therefore, in the airbag device 100A, the inflated airbag 140A can be more reliably supported by the belt-shaped member 150 from the vehicle center side.
  • an occupant seated on the vehicle seat 120 is assumed for the airbag devices 100 and 100A.
  • the present invention is not limited thereto, and the occupant seated on the vehicle seat 120A is thrown out toward the vehicle center side.
  • the airbag 140 and the belt-like member 150 are covered with an appropriate cover that is torn along with the inflation and deployment of the airbag 140 on the side surface of the vehicle seat 120 on the vehicle center side. I can't.
  • the side surface of the vehicle seat 120 and the belt-like member 150 are fixed to each other using Velcro (registered trademark) or the like, and the fixation of each other is released along with the inflation and deployment of the airbag 140, and the belt-like member 150 is detached. You may make it do. That is, the airbag 140 and the belt-shaped member 150 are not necessarily hidden (embedded) in the vehicle seat 120, and may be simply provided so as to be visually recognized from the outside.
  • the belt-like member 150 is given tension by being folded at the upper edge portion 144 of the airbag 140.
  • the belt-like member 150 is not limited to this, and the airbag 140 extends from the upper end portion 152 to the lower end portion 158. If the slack is taken around along the surface, it is possible to apply tension even if the upper edge 144 is not folded back. In other words, when the belt-shaped member 150 is pushed by the airbag 140 that is inflated and deployed and is detached from the vehicle seat 120, slack is removed by the airbag 140 that is inflated, and the airbag 140 is caused by the tension generated in the belt-shaped member 150. Need only have a length that can be pressed against the seat back 122.
  • the lower end 158 of the belt-like member 150 is fixed at the second attachment point 162 set to an appropriate frame in the seat cushion 124, it is not limited to this. That is, if the second attachment point 162 is located on the vehicle front side with respect to the first attachment point 156 and the belt-like member 150 overlaps at least the thigh of the occupant in a side view when the airbag 140 is inflated and deployed,
  • the two attachment points 162 may be appropriately set on a rail or a vehicle floor located below the seat cushion 124 in the vehicle.
  • FIG. 7 is a diagram illustrating a state in which another airbag device 100B is accommodated and a state in which it is inflated and deployed.
  • symbol is attached
  • FIG. 7A illustrates a state in which the airbag device 100B is embedded in the side surface of the vehicle seat 120 on the vehicle center side.
  • FIG. 7B is a diagram illustrating a state where the airbag apparatus 100B is inflated and deployed in a state where the dummy 166 is seated.
  • the lower end portion 158 of the belt-like member 150 is not near the side surface 125a of one (vehicle center side) of the seat cushion 124, but the other (vehicle outer side). ) To the side surface 125b.
  • the lower end 158 is fixed to an appropriate frame in the seat cushion 124 in the vicinity of the side surface 125b outside the vehicle. In this respect, the airbag device 100B is different from the airbag device 100.
  • the belt-like member 150 is embedded in the seat cushion 124 so as to extend from the side surface 125a on the vehicle center side of the seat cushion 124 toward the side surface 125b on the vehicle outer side and reach the lower end portion 158. ing.
  • a part 159 in the range from the side surface 125a on the vehicle center side of the seat cushion 124 to the lower end portion 158 of the belt-like member 150 is shown in FIG. 7B, as shown in FIG. It passes under the portion 167 corresponding to.
  • a part 159 in the above range of the belt-like member 150 is covered with an appropriate cover that is torn along with the inflation and deployment of the airbag 140.
  • FIG. 8 is a diagram illustrating a state in which the airbag device 100B of FIG. 7 is inflated and deployed (when the dummy 166 is not seated) as viewed from the front side of the vehicle.
  • FIG. 9 is a diagram illustrating a state in which the airbag apparatus 100B of FIG. 7 is inflated and deployed (when the dummy 166 is seated) as viewed from the front side of the vehicle.
  • the belt-like member 150 is pressed by the inflated and deployed airbag 140 and given tension, and the belt-like member 150. A suitable cover covering Then, the belt-like member 150 is in a state of being stretched obliquely upward toward the airbag 140 from the lower end portion 158 located near the side surface 125b on the vehicle outer side of the seat cushion 124.
  • the tension applied to the tension member 150 is increased accordingly.
  • the length of the portion 159 where the pulling member 150 is pressed by the dummy 166 becomes longer, so the tension of the pulling member 150 further increases accordingly. It becomes. Therefore, according to the airbag device 100B, the inflated and deployed airbag 140 can be more reliably supported from the vehicle center side by the tension member 150 with increased tension, and the occupant can be more reliably protected.
  • the airbag devices 100, 100A, and 100B are applied to the vehicle 110 including the two vehicle seats 120 and 120A.
  • the present invention is not limited to this.
  • the airbag devices 100, 100A, and 100B may be applied to a single-seater electric vehicle, a so-called ultra-small EV.
  • the ultra-compact EV is a vehicle provided with one vehicle seat (for example, a vehicle seat 120).
  • the airbags 140, 140A of the airbag devices 100, 100A, 100B are inflated and deployed not on the “vehicle center side” of the vehicle seat 120 but on the “side of the occupant” of the vehicle seat 120. become.
  • the belt-like member 150 is disposed not on the “vehicle center side” of the vehicle seat 120 but on the “side surface” of the vehicle seat 120.
  • the vehicle seat 120 is disposed. It is provided so as to overlap with the airbags 140 and 140A on the outside as seen from the occupant seated on the vehicle.
  • the belt-like member 150 applied with tension by the deployed airbags 140 and 140A can support the deployed airbags 140 and 140A from the side of the vehicle seat 120.
  • the guide portion 142 guides the belt-like member 150 to the outside of the airbags 140 and 140A as viewed from the occupant seated on the vehicle seat 120.
  • the side surface 125a shown in FIG. 7A is one side surface of the seat cushion 124 in the vehicle width direction
  • the side surface 125b is the vehicle width direction of the seat cushion 124 in the vehicle. It becomes the other side.
  • the belt-like member 150 is changed from one side 125a in the vehicle width direction of the seat cushion 124 to the other side 125b as shown in FIG. It is embedded in the seat cushion 124 so as to extend toward the lower end 158.
  • a part 159 of the range from the one side surface 125a of the seat cushion 124 in the vehicle width direction of the seat cushion 124 to the lower end 158 of the belt-like member 150 is seated as shown in FIG. It passes below the portion 167 corresponding to the thigh of the dummy 166.
  • a part 159 of the belt-like member 150 directly hits the thigh of the dummy 166 that moves to the side surface 125a in the vehicle width direction due to a side collision or the like. For this reason, as illustrated in FIG. 9, the belt-like member 150 is increased in tension by a part 159 being pressed by a portion 167 corresponding to the thigh. As a result, the belt-like member 150 can more reliably support the inflated and deployed airbags 140 and 140A from the side surface 125a in the vehicle width direction.
  • the airbag apparatus 100, 100A, 100B is applied to a vehicle such as a micro EV equipped with one vehicle seat 120, the occupant moves to the side of the vehicle seat 120 due to a side collision or the like. Can be received and protected by the airbags 140, 140A and the belt-like member 150 that supports the airbags 140, 140A.
  • the present invention can be used for an airbag device provided with an airbag that inflates and deploys to the side of an occupant of a vehicle seat at the time of a side collision of the vehicle.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air Bags (AREA)
PCT/JP2012/079452 2012-01-17 2012-11-14 Dispositif de coussin gonflable Ceased WO2013108473A1 (fr)

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JP2012006731 2012-01-17
JP2012-006731 2012-01-17
JP2012-159961 2012-07-18
JP2012159961 2012-07-18

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CN111216669A (zh) * 2018-11-26 2020-06-02 现代自动车株式会社 用于保护乘客的头部的气囊设备
KR20210022752A (ko) * 2018-07-19 2021-03-03 아우토리브 디벨롭먼트 아베 승차인 구속 장치
WO2021111748A1 (fr) * 2019-12-06 2021-06-10 オートリブ ディベロップメント エービー Dispositif de retenue de passager
WO2021149576A1 (fr) * 2020-01-23 2021-07-29 オートリブ ディベロップメント エービー Dispositif de coussin de sécurité gonflable
JPWO2021220885A1 (fr) * 2020-04-27 2021-11-04
US11247633B1 (en) * 2020-10-26 2022-02-15 Autoliv Asp, Inc. Occupant restraint system for a vehicle seat including an inflatable tensioning member for an airbag
JP2022531957A (ja) * 2019-05-10 2022-07-12 オートリブ ディベロップメント エービー 車両シート構成
JP2022114857A (ja) * 2021-01-27 2022-08-08 豊田合成株式会社 ファーサイドエアバッグ装置

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KR102154182B1 (ko) * 2019-01-04 2020-09-09 아우토리브 디벨롭먼트 아베 자동차의 에어백 장치
DE102019113041A1 (de) * 2019-05-17 2020-11-19 Dalphi Metal Espana, S.A. Fahrzeuginsassen-rückhaltesystem für ein kraftfahrzeug und kraftfahrzeug
KR102742412B1 (ko) * 2019-12-04 2024-12-16 아우토리브 디벨롭먼트 아베 승차인 구속 장치

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CN106687339A (zh) * 2014-09-08 2017-05-17 奥托立夫开发公司 驾乘人员约束装置
JPWO2016039160A1 (ja) * 2014-09-08 2017-06-29 オートリブ ディベロップメント エービー 乗員拘束装置
KR101919550B1 (ko) * 2014-09-08 2018-11-16 오토리브 디벨로프먼트 에이비 승차인 구속 장치
CN106687339B (zh) * 2014-09-08 2019-02-01 奥托立夫开发公司 驾乘人员约束装置
KR20170036014A (ko) * 2014-09-08 2017-03-31 오토리브 디벨로프먼트 에이비 승차인 구속 장치
JPWO2019107053A1 (ja) * 2017-11-30 2020-11-26 オートリブ ディベロップメント エービー 乗員拘束装置
WO2019107053A1 (fr) * 2017-11-30 2019-06-06 オートリブ ディベロップメント エービー Dispositif de retenue de passager
US11214224B2 (en) 2017-11-30 2022-01-04 Autoliv Development Ab Passenger restraint apparatus
WO2020017282A1 (fr) * 2018-07-19 2020-01-23 オートリブ ディベロップメント エービー Dispositif de retenue de passager
KR20210022752A (ko) * 2018-07-19 2021-03-03 아우토리브 디벨롭먼트 아베 승차인 구속 장치
JPWO2020017282A1 (ja) * 2018-07-19 2021-05-13 オートリブ ディベロップメント エービー 乗員拘束装置
KR102556814B1 (ko) 2018-07-19 2023-07-18 아우토리브 디벨롭먼트 아베 승차인 구속 장치
JP7073496B2 (ja) 2018-07-19 2022-05-23 オートリブ ディベロップメント エービー 乗員拘束装置
CN111216669A (zh) * 2018-11-26 2020-06-02 现代自动车株式会社 用于保护乘客的头部的气囊设备
CN111216669B (zh) * 2018-11-26 2023-05-16 现代自动车株式会社 用于保护乘客的头部的气囊设备
JP7285964B2 (ja) 2019-05-10 2023-06-02 オートリブ ディベロップメント エービー 車両シート構成
JP2022531957A (ja) * 2019-05-10 2022-07-12 オートリブ ディベロップメント エービー 車両シート構成
JP7217366B2 (ja) 2019-12-06 2023-02-02 オートリブ ディベロップメント エービー 乗員拘束装置
US12109924B2 (en) 2019-12-06 2024-10-08 Autoliv Development Ab Occupant restraint device
KR102708042B1 (ko) 2019-12-06 2024-09-23 아우토리브 디벨롭먼트 아베 승차인 구속 장치
WO2021111748A1 (fr) * 2019-12-06 2021-06-10 オートリブ ディベロップメント エービー Dispositif de retenue de passager
KR20220107282A (ko) * 2019-12-06 2022-08-02 아우토리브 디벨롭먼트 아베 승차인 구속 장치
JPWO2021111748A1 (fr) * 2019-12-06 2021-06-10
WO2021149576A1 (fr) * 2020-01-23 2021-07-29 オートリブ ディベロップメント エービー Dispositif de coussin de sécurité gonflable
CN114901520A (zh) * 2020-01-23 2022-08-12 奥托立夫开发公司 安全气囊装置
JPWO2021149576A1 (fr) * 2020-01-23 2021-07-29
CN114901520B (zh) * 2020-01-23 2023-09-22 奥托立夫开发公司 安全气囊装置
JP7449964B2 (ja) 2020-01-23 2024-03-14 オートリブ ディベロップメント エービー エアバッグ装置
US12109967B2 (en) 2020-01-23 2024-10-08 Autoliv Development Ab Airbag device
CN115551746A (zh) * 2020-04-27 2022-12-30 奥托立夫开发公司 乘员约束装置
WO2021220885A1 (fr) * 2020-04-27 2021-11-04 オートリブ ディベロップメント エービー Dispositif de retenue de passager
JP7366251B2 (ja) 2020-04-27 2023-10-20 オートリブ ディベロップメント エービー 乗員拘束装置
JPWO2021220885A1 (fr) * 2020-04-27 2021-11-04
US11247633B1 (en) * 2020-10-26 2022-02-15 Autoliv Asp, Inc. Occupant restraint system for a vehicle seat including an inflatable tensioning member for an airbag
JP2022114857A (ja) * 2021-01-27 2022-08-08 豊田合成株式会社 ファーサイドエアバッグ装置
JP7338646B2 (ja) 2021-01-27 2023-09-05 豊田合成株式会社 ファーサイドエアバッグ装置

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