JP2008265472A - Vehicular airbag device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vehicular airbag device effectively protecting an occupant seated in a rear seat. <P>SOLUTION: An instrument panel is installed in the front part in a vehicular cabin so as to extend in a vehicular width direction. A front seat 5 is arranged on a center rear side in the vehicular width direction of the instrument panel, and rear seats 7, 8 enabling seating of a plurality of occupants is arranged on a slanting rear side of the front seat 5. The front seat 5 is provided with a rear seat airbag 39 protecting the occupants seated in the rear seats by inflating toward a slanting rear side upon vehicle collision. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a rear seat in a vehicle in which a front seat is disposed in the center of a front portion of a vehicle interior, and a rear seat on which a plurality of passengers can be seated is disposed obliquely rearward of the front seat. The present invention relates to a vehicle airbag device that protects a passenger.

In recent years, due to demands such as reducing the fuel consumption of a vehicle, it has been required to form a vehicle body that is lightweight and compact. However, in such a vehicle, a plurality of passengers are provided in the vehicle compartment while having a compact configuration. A device for securing a seatable space is required. For example, in the following Patent Document 1, a passenger seat made up of a driver's seat is disposed at the center in the vehicle width direction in a vehicle interior, and a plurality of rear seats are disposed on the rear side thereof, thereby reducing the size of the vehicle body. On the other hand, securing a space where a plurality of occupants can be seated is carried out in the passenger compartment.
JP 7-156807 A

  As disclosed in Patent Document 1 above, a front seat made up of a driver's seat is disposed in the center of the vehicle interior in the vehicle width direction, and a rear seat is arranged obliquely behind the front seat. In the installed vehicle, since a wide space is formed in the front part of the rear seat, the front view of the occupant seated in the rear seat is ensured well, and an excellent living environment is obtained. There is. However, since the front seat made up of the driver's seat or the passenger seat is not positioned in front of the rear seat, the forward movement of the occupant seated in the rear seat is prevented when the vehicle is collided. In addition to being restricted by the seat, it is difficult to install an airbag device for protecting the occupant, and it is desired to be able to hold the occupant of the rear seat in a stable seating state. It was.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a vehicle airbag device that can effectively protect an occupant seated on a rear seat. .

  The invention according to claim 1 is installed so that the instrument panel extends in the vehicle width direction at the front portion in the vehicle interior, and the front seat is disposed on the center rear side in the vehicle width direction of the instrument panel. In a vehicle in which a rear seat, on which a plurality of passengers can be seated, is disposed on the obliquely rear side of the front seat, the front seat is configured to extend rearward obliquely rearward when the vehicle collides. A rear seat airbag for protecting a passenger seated in the seat is provided.

  According to a second aspect of the present invention, in the vehicle airbag device according to the first aspect, the front seat is provided with a seat cushion and a seat back erected at the rear end thereof, and the seat of the front seat is provided. A rear seat airbag is disposed on the back.

  According to a third aspect of the present invention, in the vehicle airbag device according to the second aspect, a seat back frame is disposed in the seat back of the front seat, and the rear seat air is provided in the seat back frame. An airbag attachment portion is provided to be attached in a state where the bag is oriented obliquely rearward when viewed from the plane.

  According to a fourth aspect of the present invention, in the vehicle airbag device according to the second or third aspect, the rear seat airbag disposed on the seat back of the front seat breaks the skin of the seat back obliquely. It is comprised so that it may expand | deploy back.

  According to a fifth aspect of the present invention, in the vehicle airbag device according to any one of the first to fifth aspects, when the rear seat airbag is deployed, a front end portion thereof abuts against a side wall portion of the vehicle body. In this state, the front portion of the rear seat is configured to be covered with the rear seat airbag.

  According to a sixth aspect of the present invention, in the vehicle airbag device according to any one of the first to fifth aspects, a front seat comprising a driver's seat is disposed at the center in the vehicle width direction on the passenger compartment floor. In addition, a pair of left and right rear seats is disposed obliquely rearward, and a pair of left and right rear seat airbags are disposed on the front seat.

  In the invention according to claim 1, the front seat is disposed on the center rear side in the vehicle width direction of the instrument panel, and the rear seat on which a plurality of passengers can be seated is disposed on the oblique rear side of the front seat. By being installed, a wide space is formed in the front portion of the rear seat, the front view of the occupant seated in the rear seat is favorably secured, and an excellent living environment is obtained. In the vehicle, the front seat seat is provided with a rear seat airbag that deploys obliquely rearward in the event of a vehicle collision. Therefore, the rear seat airbag restricts the forward movement of the passenger and effectively Can be protected.

  In the invention according to claim 2, the rear seat airbag is disposed on the seat back erected at the rear end portion of the seat cushion constituting the front seat, and the rear seat air disposed on the seat back. Since the bag is configured to be deployed obliquely rearward in the event of a vehicle collision, the rear seat airbag can easily and effectively cover the front portion of the rear seat and is seated on the rear seat. There is an advantage that a stable occupant can be protected.

  In the invention according to claim 3, the seatback frame disposed in the seatback of the front seat is provided with an airbag mounting portion that is inclined so as to be directed obliquely rearward when viewed from the plane. Since the rear seat airbag is attached to the rear portion, the rear seat airbag is inclined rearward while the reaction force corresponding to the deployment pressure of the rear seat airbag is supported by the airbag attachment portion. The rear seat airbag can be effectively covered with the rear seat airbag with a simple configuration.

  In the invention according to claim 4, the rear seat airbag disposed in the seat back of the front seat is configured to break the skin of the seat back and deploy obliquely rearward. Covering the bag with the skin of the seat back to maintain good cabin environment and aesthetics, effectively deploying the rear seat airbag in the event of a vehicle collision and effectively occupants seated in the rear seat There is an advantage that can be protected.

  In the invention according to claim 5, when the rear seat airbag is deployed, the front portion of the rear seat is covered with the rear seat airbag in a state in which the front end portion is in contact with the side wall portion of the vehicle body. Since it comprised, it can support by making the front-end | tip part contact | abut to the side wall part of a vehicle body, supporting the base end part of the airbag for rear seats in the said front seat. Accordingly, there is an advantage that the rear seat airbag can be reliably prevented by the rear seat airbag from being moved to the front side of the vehicle body by a simple configuration and the passenger can be effectively protected in the event of a vehicle collision.

  In the invention which concerns on Claim 6, since the space part formed in the right-and-left both sides part of the said front seat can be utilized as storage spaces, such as luggage, when a luggage room is provided in the back side of a compartment As described above, it is possible to secure a sufficient space for storing passenger luggage and the like without causing problems such as an increase in the longitudinal dimension of the vehicle body and a deterioration in the design of the vehicle body. The passenger seated on the rear seat can be effectively protected by the rear seat airbag.

  1 to 4 show a vehicle equipped with a vehicle airbag device according to the present invention. A side opening of the vehicle is formed with an opening for getting on and off by side doors 1 and 2, and a vehicle. An instrument panel 3 is installed in the front part of the room so as to extend in the vehicle width direction. A steering wheel 4 is installed at the center of the instrument panel 3 in the vehicle width direction, and a front seat 5 made up of a driver's seat is disposed on a floor panel 6 located on the rear side. Behind the front seat 5, a pair of left and right rear seats 7, 8 are disposed, so that an installation portion of the rear seats 7, 8 having a larger vehicle width direction dimension than the front seat 5 is provided. Is formed.

  Further, as shown in FIG. 3, a rear pillar 9 is disposed at a substantially central portion in the vehicle width direction, and the rear pillar 9 and the side doors 1 and 2 are continuously provided on the rear surface of the vehicle body. A rear window 10 is disposed so as to cover the rear window 10, thereby ensuring rear visibility on both the left and right sides of the vehicle without being obstructed by the rear pillar 9.

  As shown in FIGS. 1 and 4, the front seat 5 includes a pair of left and right seat rails 11 installed in the center of the front portion of the floor panel 6 so as to extend in the front-rear direction of the vehicle body, and along the seat rails 11. The sliding member 12 is slidably supported, the seat cushion 13 is supported on the left and right sides by the sliding member 12, and the seat back is installed so as to stand upward from the rear end portion of the seat cushion 13. 14 and a headrest 15 provided at the upper end of the seat back 14. The slide member 12 is slidably displaced along the seat rail 11 in the longitudinal direction of the vehicle body so that the longitudinal position of the front seat 5 is adjusted.

  The left and right rear seats 7 and 8 include a pair of left and right seat rails 16 installed on the rear portion of the floor panel 6, and a slide member 17 that is slidably supported along the seat rails 16. A seat cushion 18 whose left and right side portions are supported by the slide member 17; a seat back 19 rising upward from a rear end portion of the seat cushion 18; and a headrest 20 provided at an upper end portion of the seat back 19; have. The seat cushions 18 of the rear seats 7 and 8 together with the slide member 17 are slid along the seat rails 16 so that the installation positions of the rear seats 7 and 8 are adjusted respectively. .

  The seat rails 16 of the rear seats 7 and 8 are disposed along the front and rear seat brackets 21 and 21 in a state where the front rails are disposed along lines that are inclined so that the front portions face obliquely outward in the vehicle width direction. It is fixed to the floor panel 6. As a result, at the normal position where the left and right rear seats 7, 8 are moved to the rear side of the vehicle body, as shown by the solid line in FIG. The front seats 5 and the rear seats 7 and 8 overlap with the rear seats 7 and 8 in a side view, and the left and right rear seats 7 and 8 extend along the seat rail 16. As shown by the phantom line in FIG. 1, the two seats 7 and 8 are arranged so as to sandwich the front seat 5 from the left and right in plan view at the front position moved to the front side of the vehicle body. It is configured.

  Further, as shown in FIGS. 5 and 6, the seat rail 16 that supports the rear seat 7 disposed on the left side of the passenger compartment, and the middle of the seat rail 16 that is disposed on the center side of the passenger compartment. The seat bracket 22 is integrally provided at the portion by welding or the like, and the seat bracket 22 is fixed to the floor panel 6 via the mounting bolts 22a. The seat bracket 22 is provided with a support portion that supports one end of a belt member 24 that constitutes a front seat belt device 23 for protecting a passenger seated on the front seat 5. Specifically, a fixing portion 27 to which a retractor 25 that supports one end portion of the belt member 24 so as to be able to be wound is fixed by a fixing bolt 26 is provided in the intermediate seat bracket 22, and the fixing of the seat bracket 22 is performed. One end of the belt member 24 is supported by the portion 27 via the retractor 25.

  The seat belt device 23 for the front seat is provided on the belt member 24 and the retractor 25, the belt anchor 28 provided on the seat back 14 of the front seat 5, the slide member 17 positioned on the right side of the front seat 5, and the like. And a buckle 29 is provided. The belt member 24 fed out from the retractor 25 is supported by a belt anchor 28 on the upper portion of the seat cushion 13, and a locking tool 30 provided at the front end of the belt member 24 is provided on the left side of the front seat 5. A tongue 31 fixed to the slide member 17 and slidably provided on the belt member 24 is detachably engaged with the buckle 29, so that an occupant seated on the front seat 5 is pulled by the belt member 24. It is configured to be constrained and protected (see a virtual line in FIG. 4).

  That is, when the occupant seated in the front seat 5 holds the tongue 31 and pulls the belt member 24 forward, the belt member 24 is pulled out from the retractor 25 and the tongue 31 is locked to the buckle 29. As a result, the shoulder and waist of the occupant are restrained via the belt member 24, and a large urging force acts to move the occupant seated on the front seat 5 forward in the event of a vehicle collision or the like. Even in this case, the seating state is maintained.

  Further, as shown in FIG. 1, a rear seat belt device 32 for protecting a passenger seated on the rear seats 7 and 8 is provided at the rear of the vehicle interior. The rear seat belt device 32 includes a retractor 33 disposed at a lower portion of a side wall of the vehicle body located at the rear of the vehicle body, a belt member 34 supported at one end of the retractor 33 so as to be retractable, and the retractor 33. A belt anchor 35 disposed above the seat cushion 18, and a buckle 36 fixed to the slide member 17 disposed below the seat cushion 18, and a tongue 37 disposed at the tip of the belt member 34. Is detachably locked to the buckle 36 so that the occupant seated on the rear seats 7 and 8 is restrained and protected by the belt member 34.

  That is, when the occupant seated in the rear seats 7 and 8 holds the tongue 37 and pulls the belt member 34, the occupant is pulled out of the retractor 33 while the belt member 34 is supported by the belt anchor 35, and the tongue When 37 is locked to the buckle 36, the occupant is restrained via the belt member 34, and the occupant seated on the rear seats 7, 8 tries to move forward in the event of a vehicle collision or the like. Even when a large urging force is applied, the seating state is stably maintained.

  The steering wheel 4 or the instrument panel 3 is provided with an airbag (not shown) that protects an occupant seated on a front seat 5 that is a driver seat. A seat back frame 38 is disposed in the seat back 14 of the front seat 5 as shown in FIGS. The seat back frame 38 has an upper frame 40 made of a round pipe material and a pair of left and right lower frames 41 made of a pressed metal plate, and a rear seat airbag 39 is formed on the lower frame 41. There is provided an airbag attachment portion 42 to which is attached.

  The airbag mounting portion 42 is twisted so that the upper outer surface of the lower frame 41 is directed obliquely to the rear side of the vehicle body as viewed from above, so that the front portion thereof is outside the front portion, that is, the seat back 14. It is installed in an inclined state so as to face the front side and the outside from the center portion, and the rear end portion of the airbag attaching portion 42 and the rear end flange portion 42a of the lower frame 41 are formed on the upper frame 40 of the seat back frame 38. It is fixed by welding. Further, the rear seat airbag 39 is attached to the airbag attachment portion 42 along the outer side surface portion thereof. Further, the skin 14a made of a plastic sheet material covering the surface of the seat back 14 has a fragile portion or a thin-walled portion, which is not shown, which becomes a fracture portion corresponding to the deployment pressure of the rear seat airbag 39. It is formed at a position facing the installation portion of the seat airbag 39.

  An airbag device 44 for protecting a passenger seated on the rear seats 7 and 8 is constituted by the rear seat airbag 39 and an inflator 43 that supplies inflation gas to the rear seat airbag 39. The airbag device 44 supplies the gas generated by the operation of the inflator 43 to the rear seat airbag 39 in response to an output signal of a collision sensor (not shown) that detects a vehicle collision. The deployment pressure acts on the airbag 39 and the skin 14a of the seat back 14 is broken, and the rear seat airbag 39 is deployed obliquely rearward from the fractured portion as shown in FIG. , 8 are configured to protect passengers.

  Specifically, the gas from the inflator 43 is injected into the rear seat airbag 39 installed along the outer surface portion of the airbag mounting portion 42 inclined so that the front portion faces the front outside. As a result, a deployment pressure acts on the rear seat airbag 39, and a reaction force corresponding to the deployment pressure is supported by the airbag mounting portion 42, while the rear seat airbag 39 faces obliquely rearward. expand. The front seats 7 and 8 are covered by the rear seat airbag 39 with the front end portion of the rear seat airbag 39 in contact with the side wall portion 45 of the vehicle body. The occupant seated on the seat seats 7 and 8 is configured to be protected.

  As described above, the instrument panel 3 is installed in the front portion of the vehicle interior so as to extend in the vehicle width direction, and the front seat 5 is disposed on the rear side of the instrument panel 3, and the front seat 5 The rear seats 7 and 8 on which a plurality of passengers can be seated are disposed on the rear side of the rear seats 7 and 8, so that a wide space is formed in front of the rear seats 7 and 8. In a vehicle configured to ensure a good front view of a seated occupant and to obtain an excellent living environment, the rear seat is rearwardly extended to the front seat 5 when the vehicle collides. Since the rear seat airbag 39 for protecting the occupant seated in the seat seats 7 and 8 is provided, the rear seat airbag 39 can restrict the forward movement of the occupant and effectively protect the occupant. .

  For example, in the above-described embodiment, the rear seat airbag 39 is disposed on the seat back 14 erected at the rear end portion of the seat cushion 13 constituting the front seat 5, and the rear seat airbag 14 is disposed on the seat back 14. Since the seat airbag 39 is configured to be deployed obliquely rearward at the time of a vehicle collision, the front seats 7 and 8 can be effectively covered by the rear seat airbag 39, There is an advantage that the occupant seated on the rear seats 7 and 8 can be stably protected. That is, it is conceivable to install a rear seat airbag on the seat cushion 13 of the front seat 5. However, when a rear seat airbag is installed on the seat cushion 13 of the front seat 5, Since the rear seat airbag needs to be largely deployed from the lower front portion of the rear seats 7 and 8 toward the front portion of the rear seat seats 7 and 8, the rear seat seat 7 is suppressed while suppressing the deployment amount of the rear seat airbag. In order to efficiently protect the passengers seated on the rear seat 8, it is preferable to have a structure in which a rear seat airbag 39 is provided on the seat back 14 of the front seat 5 as shown in the above embodiment.

  In particular, as shown in the above-described embodiment, an airbag mounting portion 42 that is inclined so as to be directed obliquely rearward when viewed from above is provided on the seatback frame 38 disposed in the seatback 14 of the front seat 5. When the rear seat airbag 39 is attached to the airbag attachment portion 42, the reaction force corresponding to the deployment pressure of the rear seat airbag 39 is supported by the airbag attachment portion 42. However, since the rear seat airbag 39 can be actively deployed obliquely rearward, the front seats 7 and 8 can be effectively moved by the rear seat airbag 39 with a simple configuration. There is an advantage that can be covered.

  In addition, while using the upper part of the lower frame 41 which comprises the said seat back frame 38 as the airbag attachment part 42, by twisting and deforming the upper part of the said lower frame 41, the outer side surface of the said airbag attachment part 42 is a vehicle body. As shown in FIG. 10, a mounting bracket 46 serving as an airbag mounting portion is formed on the upper portion of the lower frame 41 as viewed from above. The rear seat airbag 39 may be attached to the attachment bracket 46 in a state of being inclined so as to face the obliquely rear side.

  Further, as shown in FIG. 10, a bulging portion 47 constituting a guide surface of the rear seat airbag 39 is provided at the tip of the mounting bracket 46, or the upper portion of the lower frame 41 serving as the airbag mounting portion 42. A bulging portion constituting the guide surface is provided, and the rear seat airbag 37 is deployed along the bulging portion of the airbag mounting portion 42 or the bulging portion 47 of the mounting bracket 46. Also good. In the case of such a configuration, there is an advantage that the rear seat airbag can be smoothly deployed toward the front portion of the rear seats 7 and 8 at the time of a vehicle collision.

  In the above embodiment, the rear seat airbag 39 disposed on the seat back 14 of the front seat 5 is configured to break the skin 14a of the seat back 14 and deploy obliquely rearward. The air bag 39 is covered with the skin 14a of the seat back 14 so as to conceal the vehicle interior environment and the aesthetic appearance, and the rear seat air bag 39 is deployed at the time of a vehicle collision so that the rear seat 7 , 8 can be effectively protected.

  Further, as shown in the above-described embodiment, when the rear seat airbag 39 is deployed, the front portions of the rear seats 7 and 8 are placed on the rear seat with the front end thereof in contact with the side wall portion 45 of the vehicle body. When the front airbag 5 is configured to be covered by the front airbag 39, the front seat 5 supports the base end of the rear seat airbag 39, and the front end abuts against the side wall 45 of the vehicle body for friction. Since it can be supported by generating force, the rear seat airbag 39 reliably prevents the occupants of the rear seats 7 and 8 from moving forward of the vehicle body in the event of a vehicle collision with a simple configuration. However, there is an advantage that this occupant can be effectively protected.

  In the above embodiment, as shown in FIG. 1, the rear seat belt device 32 for protecting the passenger seated in the rear seats 7 and 8 is installed at the rear of the vehicle interior. There is an advantage that the occupant seated on the rear seats 7 and 8 can be more effectively protected by both the rear seat 32 and the rear seat airbag 39.

  In the above embodiment, the front seat 5 made up of the driver's seat is installed on the floor panel 6 in the passenger compartment, and a rear seat 7 on which a plurality of passengers can be seated behind the front seat 5. 8 is provided with a front seat belt device 23 for protecting a passenger seated in the front seat 5, and one end of the belt member 24 constituting the seat belt device 23 is connected to the rear seat 7. Therefore, there is an advantage that the front seat belt device 23 can be properly installed with a simple configuration.

  That is, in the above-described embodiment, the retractor 25 that supports one end of the belt member 24 so as to be retractable is attached to the seat bracket 22 that fixes the seat rail 16 that supports the rear seat 7 so as to be movable back and forth. Thus, since one end portion of the belt member 24 is supported by the seat bracket 22, the front seat 5, which is the driver's seat, is disposed in the center of the front portion of the vehicle compartment away from the side surface portion of the vehicle body. Even in such a case, one end of the belt member 24 constituting the seat belt device 23 can be supported easily and stably by using the seat bracket 22 provided in the installation portion of the rear seat 7. Can do.

  According to the above configuration, the retractor of the belt member 24 is embedded in the seat cushion 13 or the like constituting the front seat 5 so that one end of the belt member 24 is supported by the seat cushion 13. In addition, when the weight of the front seat 5 is significantly increased, or when a support member for supporting one end of the belt member 24 is provided on the floor panel 6 in the passenger compartment, the support member is used when the passenger gets on and off. One end portion of the belt member 24 can be effectively supported at the installation portion of the rear seat 7 reinforced by the seat rail 16 and the intermediate seat bracket 22 and the like without causing troubles such as obstruction. There are advantages. Therefore, in the event of a vehicle collision, the impact load input to the belt member 24 that protects the passenger seated on the front seat 5 is applied to the installation portion of the rear seat 7 to which the retractor 25 is attached, and the belt member 24. It is possible to stably support by dispersing the front end seat 5 and the installation portion of the front seat 5 to which the front end locking member is fixed.

  In particular, as shown in the above-described embodiment, in a vehicle in which a seat rail 16 is disposed below the seat cushion 13 of the rear seat 7, the seat bracket that fixes an intermediate portion of the seat rail 16 to the floor panel 6 of the vehicle body. When the retractor 25 of the belt member 24 is attached to the belt member 24 so that one end of the belt member 24 is supported by the seat bracket 22 at the intermediate portion, the support portion of the belt member 24 is the seat cushion. Since it is concealed below 13, there is an advantage that one end of the belt member 24 can be effectively supported while effectively preventing the support portion from interfering when the passenger gets on and off.

  In the above embodiment, the front seat 5 made up of the driver's seat is installed in the center of the vehicle interior in the vehicle width direction, and a pair of left and right rear seats 7 and 8 are disposed behind the front seat 5. However, the present invention is not limited to this, and various modifications are possible. For example, the front seat is disposed at a position offset to the right side or the left side in the vehicle interior, and a rear seat is disposed on the rear side and the oblique rear side, and the rear seat is provided on the front seat. It is also possible to protect an occupant seated on a rear seat disposed on the diagonally rear side of the driver's seat by deploying the airbag diagonally rearward at the time of a vehicle collision.

  However, as shown in the above embodiment, a front seat 5 made up of a driver's seat is disposed at the center in the vehicle width direction in the passenger compartment, and a pair of left and right rear seats 7 and 8 are disposed obliquely rearward thereof. When a pair of left and right rear airbags 39 are provided on the front seat 5, the space formed on the left and right sides of the front seat 5 is used as a storage space for luggage or the like. As a result, the front and rear dimensions of the car body become larger and the design of the car body is not deteriorated, as in the case where a luggage room is provided on the rear side of the passenger compartment. And a pair of left and right rear seat airbags 39 can effectively protect the passengers seated on the rear seats 7 and 8 respectively.

  In particular, as shown in the above-described embodiment, the front seat 5 is disposed at the center in the vehicle width direction on the floor panel 6, and a pair of left and right rear seats in which the rear portion of the front seat 5 is disposed behind the front seat 5. When the front seat 5 and the rear seats 7 and 8 are arranged close to each other so as to overlap with the seats 7 and 8 in a side view, the number of occupants that can be boarded is ensured. There is an advantage that the front and rear seats 5 and the rear seats 7 and 8 can be efficiently disposed, and the vehicle body can be formed effectively and compactly and lightly. is there.

It is a top view of the vehicle provided with the airbag apparatus for vehicles which concerns on this invention. It is a side view which shows embodiment of the seatbelt apparatus provided in the said vehicle. It is a top view which shows the external appearance of the said vehicle. It is a perspective view which shows the specific structure of the said seatbelt apparatus. It is a perspective view which shows the specific structure of the said seatbelt apparatus. It is a disassembled perspective view which shows the specific structure of the attaching part of a retractor. It is a perspective view which shows the specific structure of the seat frame of a front seat. 1 is a plan sectional view showing an embodiment of a vehicle airbag device according to the present invention. It is a top view which shows the expansion | deployment state of the said airbag for rear seats. It is a plane sectional view showing another embodiment of the above-mentioned backseat airbag device.

Explanation of symbols

5 Front Seat 6 Floor Panel 7, 8 Rear Seat 13 Seat Cushion 14 Seat Back 14a Skin 29 Rear Seat Airbag 38 Seat Back Frame 42 Airbag Mounting Portion

Claims (6)

  An instrument panel is installed in the front part of the vehicle interior so as to extend in the vehicle width direction, and a front seat is disposed at the center rear side in the vehicle width direction of the instrument panel, and the oblique rear side of the front seat In a vehicle in which a rear seat, on which a plurality of passengers can be seated, is disposed, the front seat seat is disposed rearward obliquely rearward when the vehicle collides to protect the passenger seated on the rear seat. A vehicular air bag apparatus provided with a seat air bag.   2. The front seat is provided with a seat cushion and a seat back erected at a rear end thereof, and a rear seat airbag is disposed on the seat back of the front seat. Vehicle air bag device.   A seat back frame is disposed in the seat back of the front seat, and an airbag mounting portion is provided on the seat back frame so that the rear seat airbag is mounted obliquely rearward as viewed from above. The vehicle airbag device according to claim 2, wherein the vehicle airbag device is provided.   4. The vehicle according to claim 2, wherein the rear seat airbag disposed in the seat back of the front seat is configured to break the skin of the seat back and deploy obliquely rearward. Airbag device.   When the rear seat airbag is deployed, the front portion of the rear seat is covered with the rear seat airbag in a state in which the front end of the airbag is in contact with the side wall portion of the vehicle body. The airbag apparatus for vehicles of any one of Claims 1-4.   A front seat including a driver's seat is disposed at the center in the vehicle width direction on the passenger compartment floor, and a pair of left and right rear seats are disposed obliquely rearward of the front seat. The vehicle airbag device according to any one of claims 1 to 5, wherein a seat airbag is disposed.

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