JP2002264760A - Occupant protector of vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To inflate and expand an air bag in a proper state by preventing interference with a pillar trim of the air bag inflated and expanded in case of a side collision of a vehicle. SOLUTION: This occupant protector of a vehicle is provided with the air bag 5 inflated and expanded along the side wall surface of a cabin by the operation of an inflator. The occupant projector is disposed with the side end part of a roof trim 7 and the upper end part of the pillar trim 14 overlapping each other. The wall surface of a roof side rail 3 opposite to the overlapping part is provided with a guide member 16 for guiding the air bag 5, and the direction of guiding the air bag 5 by the guide member 16 is set to directing toward the outside wall surface of the vehicle of the side part 7a of the roof grim above the upper end part of the pillar trim 14 in a position inside of the cabin.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is provided with an airbag which is stored and arranged along a roof side rail, and which is expanded and deployed along a side wall surface of a vehicle compartment by actuation of an inflator at the time of a side collision of a vehicle or the like. The present invention relates to an occupant protection device for a vehicle.

[0002]

2. Description of the Related Art Conventionally, as disclosed in, for example, Japanese Patent Application Laid-Open No. 11-91490, in a structure for disposing a head protection airbag which expands and deploys in a curtain shape over a pillar and a roof side rail, a roof side rail is provided. By providing a guide means such as a jump table below the airbag stored in a state of being folded along, by inflating the airbag along the wall surface of the jab table at the time of a side collision of the vehicle, etc. 2. Description of the Related Art An outer portion in a vehicle width direction of a pillar trim and a roof trim (roof head lining) is pushed open to expand and deploy an airbag in a curtain shape below a roof side rail.

[0003]

As described above, in the event of a side collision of a vehicle or the like, the airbag is inflated along the wall surface of the jab table to push open the outer portions of the pillar trim and the roof trim in the vehicle width direction. In the case where the guide direction of the airbag is set by the guide means, if the pushing and opening of the pillar trim is hindered even a little, the airbag may enter between the pillar trim and the inner wall surface of the pillar. Inevitably, there is a problem that the airbag cannot be expanded and deployed in a proper state.

The present invention has been made in view of the above points, and prevents an airbag that expands and deploys at the time of a side collision of a vehicle from interfering with a pillar trim and expands and deploys the airbag in an appropriate state. It is an object of the present invention to provide an occupant protection device for a vehicle that can perform the operation.

[0005]

According to the first aspect of the present invention,
The airbag, which is stored and arranged along the roof side rail and expands and deploys along the side wall surface of the cabin due to the operation of the inflator in the event of a vehicle side collision, etc. An occupant protection device for a vehicle comprising a roof trim and a pillar trim, wherein a side end of the roof trim and an upper end of the pillar trim are disposed in a state of being overlapped with each other, and face the overlapped portion. A guide member for guiding the airbag is provided on a wall surface of the roof side rail, and a guide direction of the airbag by the guide member is set to be higher than an upper end portion of the pillar trim and to a position of the roof trim at a position on the vehicle interior side. It is set toward the outside wall of the vehicle.

According to the above configuration, when the inflator is operated at the time of a side collision of the vehicle, the airbag stored and arranged along the roof side rail is expanded and deployed, and the airbag is used as a guide member. Guided by
The airbag and the pillar trim are prevented from interfering with each other because the airbag is expanded and deployed above the upper end portion of the pillar trim and toward the exterior wall surface of the roof trim, and the airbag enters between the pillar trim and the pillar. Is surely prevented.

According to a second aspect of the present invention, in the vehicle occupant protection device according to the first aspect, the side end of the roof trim and the upper end of the pillar trim are in line contact with each other.
The side end of the roof trim and the upper end of the pillar trim are overlapped with each other.

According to the above configuration, when the airbag expands and deploys in the event of a side collision of the vehicle, the roof trim abuts on the outer wall surface of the roof trim above the upper end of the pillar trim. Is deformed,
The overlapping portion between the side end of the roof trim and the upper end of the pillar trim is easily separated, and the airbag smoothly inflates into the vehicle compartment from this separated portion.

According to a third aspect of the present invention, in the vehicle occupant protection device according to the second aspect, a curved portion that curves toward the outside of the vehicle is provided at a side end of the roof trim, and a cabin of the curved portion is provided. The upper end of the center pillar trim is brought into contact with the inner wall surface.

According to the above configuration, when the airbag is expanded and deployed at the time of a side collision of the vehicle or the like, the roof trim abuts on the outer wall surface of the roof trim above the upper end of the pillar trim. When the airbag deforms, the overlapping portion between the side end of the roof trim and the upper end of the pillar trim is easily separated by the curved portion serving as a guide surface, and the airbag smoothly inflates into the vehicle compartment from the separated portion. Will do.

According to a fourth aspect of the present invention, in the vehicle occupant protection device according to any one of the first to third aspects,
The guide member is provided with a guide portion that forms a guide surface of the airbag, and a folded portion that extends from the distal end portion toward the outside of the vehicle.

According to the above configuration, when the airbag is deployed and expanded, the deformation of the guide portion of the guide member is suppressed by the folded portion. Therefore, the guide function of the airbag is sufficiently ensured, and the configuration is simple. Thus, the airbag can be expanded and deployed above the upper end of the pillar trim and toward the outer wall surface of the roof trim.

According to a fifth aspect of the present invention, in the vehicle occupant protection device according to the first aspect, the distal end of the folded portion provided on the guide member is disposed in a state separated from the wall surface of the roof side rail. It was done.

According to the above construction, when a predetermined load is applied to the installation portion of the guide member when the occupant's head or the like comes into contact with the side portion of the roof trim at the time of a side collision of the vehicle or the like, the separation portion is provided. When the guide portion of the guide member is easily deformed by a distance corresponding to the above, the impact is alleviated, and the guide portion and the folded portion are subsequently deformed, whereby the impact energy is effectively absorbed.

[0015]

1 to 3 show an embodiment of a vehicle occupant protection system according to the present invention. The occupant protection device includes an inflator 1 that operates according to a detection signal of a collision detection sensor (not shown) that detects a side collision of a vehicle, and the like.
While being arranged along the roof side rail 3 and the rear pillar 4 from the upper end of the front pillar 2 of the vehicle,
An airbag 5 stored in a bellows-like folded state,
A gas supply pipe 6 for supplying gas generated when the inflator 1 is operated to the airbag 5 to expand and deploy the airbag 5, and a roof trim 7 for covering a wall surface of the roof side rail 3 and the rear pillar 4 on the vehicle interior side. And a rear pillar trim 8.

The airbag 5 is stored and arranged so as to extend from the upper end of the front pillar 2 to the rear of the vehicle body along the side wall surface of the roof side rail 3 in the vehicle interior. Are covered by the side portions 7a of the roof trim 7. The side edges 7a of the roof trim 7 are detachably engaged with the weather strip 9 attached to the flange 3a of the roof side rail 3 (FIG. 2).
reference).

A rear portion 5a of the airbag 5 is housed and arranged so as to extend downward of the vehicle body along a rear side portion of the rear pillar 4, and the inflator 1a is located below the rear portion 5a.
Are arranged. The rear end of the airbag 5 is fixed together with the gas supply pipe 6 to the inner wall surface of the rear pillar 4, that is, the inner panel 4a of the rear pillar 4 together with the gas supply pipe 6 by a fixing bolt 11 or the like (see FIG. 3). Note that FIG.
, 20 is a rear side door.

A substantially parallelogram-shaped extending portion 7b for covering a rear portion 5a of the airbag 5 housed so as to extend downward of the vehicle body along a rear side portion of the rear pillar 4 is provided with the roof trim 7. (See FIG. 1). The extension 7b of the roof trim 7 has a vertical dimension set to approximately half of the rear pillar 4 and a width dimension set to approximately half of the rear pillar 4, so that the upper rear edge of the rear pillar 4 It is configured to cover.

An upper portion of the rear pillar trim 8 is formed with a substantially L-shaped notch corresponding to the extension 7b of the roof trim 7, and a portion excluding the rear side of the rear pillar 4, that is, the rear pillar 4 Is covered by an upper portion 8a of the rear pillar trim 8.
At the front edge of the extending portion 7b of the roof trim 7, a flange portion 7c which is inclined obliquely outward is formed.
When the rear edge of the upper portion 8a comes into line contact, both members are configured to be in a superposed state.

At the side wall surface of the interior of the rear pillar 4, when the airbag 5 is expanded and deployed, the front edge of the extension 7 b of the roof trim 7 and the rear edge of the upper portion 8 a of the rear pillar trim 8 overlap. A guide member 12 for guiding the airbag 5 to inflate the vehicle from the roof trim 7 into the vehicle interior.
The front edge of the extension portion 7b and the upper portion 8 of the rear pillar trim 8
a is fixed at a position corresponding to the overlapping portion with the trailing edge of a.

The lower edge of the extension 7b of the roof trim 7 and the rear pillar trim 8 corresponding to the extension 7b
Between the front edge of the extension 7b of the roof trim 7 and the rear edge of the upper portion 8a of the rear pillar trim 8 A similar overlapping section is provided. A similar overlapping portion is provided between the upper edge of the upper portion 8a of the rear pillar trim 8 and the corresponding lower edge of the roof trim 7.

A center pillar 10 is provided between the front pillar 2 and the rear pillar 4, and a center pillar trim 14 is provided on the vehicle interior side of the center pillar 10, as shown in FIG. The center pillar trim 14 is arranged so as to face the inner side wall surface of the center pillar 10, that is, the inner panel 15 of the center pillar 10 at a predetermined interval, and is locked to the center pillar 10 by a locking member 23. By doing so, it is configured to cover the wall surface on the vehicle interior side.

Further, a side portion 7c of the roof trim 7 which covers the side wall surface of the interior of the roof side rail 3 is formed with a curved portion 7d which curves toward the outside of the vehicle. The upper end of the center pillar trim 14 is in line contact with the lower surface of the curved portion 7d, so that the side end of the roof trim 7 and the upper end of the center pillar trim 14 are superposed. .

The wall (inner panel 15) of the roof side rail 3 facing the overlapped portion between the side end of the roof trim 7 and the upper end of the center pillar trim 14
A guide member 16 is provided for guiding the airbag 5 that expands and deploys in the event of a side collision of the vehicle.

The guide member 16 includes a mounting board 17 having a predetermined width fixed to the wall surface of the roof side rail 3, a guide section 18 extending from the lower end of the mounting board 17 toward the vehicle interior, and a guide section 18. And a folded portion 19 extending from the tip end of the airbag 5 toward the outside of the vehicle. The guide direction of the airbag 5 by the guide portion 18 is higher than the upper end portion of the center pillar trim 14 and located on the vehicle interior side. At the side surface 7a of the roof trim 7 at the vehicle exterior wall surface. That is, the guide 1
8 is set so as to be higher than the upper end of the center pillar trim 14 and point toward the vehicle interior.

The angle θ between the mounting board 17 of the guide member 16 and the guide portion 18 is set to an obtuse angle.
The folded portion 1 is arranged such that the tip of the folded portion 19 is separated from the wall surface of the roof side rail 3 by a predetermined distance S.
Nine dimensions are set. As a result, when the occupant's head comes into contact with the side portion 7a of the roof trim 7, the side portion 7a is pressed to the outside of the vehicle, and the guide member 16 is pressed.
When a predetermined load is applied to the installation portion, only the guide portion 18 is deformed until the tip portion of the folded portion 19 comes into contact with the side wall surface of the interior side of the roof side rail 3, and the tip portion of the folded portion 19 is deformed. After the portion comes into contact with the side wall surface of the roof side rail 3 in the vehicle interior, both the folded portion 19 and the guide portion 18 are deformed.

As shown in FIG. 5, an anchor cover 22 is provided at a predetermined position of the center pillar trim 15 so as to cover an installation portion of a belt anchor for supporting the upper end portion of the seat belt 21. An inwardly inclined surface 22a is formed at the upper end. When the airbag 5 is expanded and deployed, which will be described later, the inclined surface 22a of the anchor cover 22 is configured to serve as a guide surface for guiding the airbag 5. In the example shown,
The inclination angle γ of the inclined surface 22a with respect to a surface of the center pillar trim 15 perpendicular to the side wall surface of the vehicle interior is set to about 30 °.

On the vehicle interior side of the front pillar 2, a front pillar trim 24 is installed as shown in FIG. Between the front pillar trim 24 and the front pillar 2, one end is locked to a vehicle interior side wall surface of the front pillar 2 by a locking tool 25 described later, and the other end is connected to the airbag 5. A fixing member 26 made of a band-like member fixed to the front end by sewing or the like is provided. In FIG. 6, reference numeral 27 denotes a windshield, and 28 denotes a front side door.

When the airbag 5 is expanded and deployed,
As shown in FIG. 7, the fixed position of the front end of the airbag 5 fixed to the front pillar 2 by the fixing member 26 is the position of the rear end of the airbag 5 fixed to the rear pillar 4 by the fixing bolt 11 or the like. The fixing position of one end of the fixing member 26, that is, the locking position of the fixing member 26 that is locked to the front pillar 2 by the locking member 25 is set so that the fixing position is substantially the same height.

In the above configuration, when the collision detection sensor detects that a side collision or the like has occurred in the vehicle, the gas generated by the operation of the inflator 1 is supplied to the airbag 5 through the gas supply pipe 6. Supplied within.
As a result, the airbag 5 housed and arranged along the roof side rail 3 inflates downward, as shown in FIG.
As shown in (2), the vehicle is expanded and deployed so as to cover the side wall surface of the cabin in a curtain shape.

That is, when the airbag 5 disposed along the leaf side rail 3 is inflated, the airbag 5 is guided by the guide portion 18 of the guide member 16, and is located above the upper end of the center pillar trim 14. The bag 5 comes into contact with the outer wall surface of the side portion 7a of the roof trim 7, and the side portion 7a of the roof trim 7 is pressed inward of the vehicle body. As a result, as shown in FIG. 8, the overlapping portion between the side end portion of the roof trim 7 and the upper end portion of the center pillar trim 14 is separated, and the airbag 5 bulges outward from the separated portion. Become.

When the rear part 5a of the airbag 5 disposed along the rear side of the rear pillar 4 is inflated, the rear part 5a of the airbag 5 is guided by the guide member 12 so that the roof trim 7 extends. The extension portion 7b contacts the extension portion 7b, and the extension portion 7b is pressed inward of the vehicle body. As a result, FIG.
As shown in the figure, the overlapping portion of the front edge of the extending portion 7b and the rear edge of the upper portion 8a of the rear pillar trim 8 is separated, and the rear portion 5a of the airbag 5 bulges outward from the separated portion. Will do.

In the deployed state of the airbag 5,
The front end of the front pillar 2 is fixed by the fixing member 26.
Is fixed to a substantially intermediate portion in the vertical direction. In addition,
In the illustrated example, the inflated portion of the airbag 5 is divided into a front portion 5b covering a range including the installation portion of the center pillar 10 from the front pillar 2 and a rear portion 5a covering a range including the installation portion of the rear pillar 4. The front portion 5b and the rear portion 5a of the airbag 5 are connected by a sheet-shaped connecting portion 5c. Instead of this configuration, the entire airbag 5 is configured to be inflated. Is also good.

The airbag 5 is housed and arranged along the roof side rail 3 as described above, and includes the roof trim 7 and the center pillar trim 14 which cover the interior side wall of the roof side rail 3 and the center pillar 10. In the vehicle occupant protection device, the side end of the roof trim 7 and the upper end of the center pillar trim 14 are disposed in a state where they are superimposed on each other, and are provided on the wall surface of the roof side rail 3 opposed to the superimposed portion. , The airbag 5
A guide member 16 for guiding the airbag 5 is provided. The side of the roof trim 7 at a position above the upper end of the center pillar trim 14 and on the vehicle interior side is provided. Since the airbag 5 is set so as to face the vehicle outer wall surface, the interference between the airbag 5 and the center pillar trim 14 is prevented, and the airbag 5 is placed between the center pillar trim 14 and the center pillar 10.
Can be reliably prevented from entering.

That is, when the inflator 1 is operated at the time of a side collision of the vehicle and the like, the airbag 5 stored and arranged along the roof side rail 3 is expanded and deployed. The airbag 5 is guided by the member 16 and expands and deploys above the upper end of the center pillar trim 14 and toward the outer wall surface of the side portion 7a of the roof trim 7, so that the airbag 5 is moved to the upper end of the center pillar trim 14. Is prevented from coming into contact with. Therefore, the expansion of the airbag 5 into the vehicle cabin is restricted by the upper end of the center pillar trim 14, and the center pillar trim 14 and the center pillar 1
The airbag 5 is reliably prevented from entering the airbag 5 between the center pillar 4 and the airbag 5 so that the airbag 5 can be properly and smoothly expanded and deployed along the inner side wall surface of the center pillar trim 14 so that the head of the occupant can be prevented. The parts can be effectively protected.

In the above embodiment, the roof trim 7
The end of the roof trim 7 and the upper end of the center pillar trim 14 are configured to overlap each other by linearly contacting the side end of the center trim trim 14 and the upper end of the center pillar trim 14, so that they are brought into surface contact with each other. Compared with the case where the airbag 5 is expanded and deployed in the event of a side collision of the vehicle, the overlapping portion between the side end of the roof trim 7 and the upper end of the center pillar trim 14 is separated. Has the advantage that the airbag 5 can be smoothly inflated into the vehicle interior from the overlapping portion.

As shown in the above-described embodiment, a curved portion 7 that curves toward the outside of the vehicle is provided at the side end of the roof trim 7.
When the upper end of the center pillar trim 14 is configured to contact the side wall surface of the vehicle interior of the curved portion 7d, the airbag 5 that expands and deploys at the time of a side collision of the vehicle or the like.
When the side portion 7a of the roof trim 7 is deformed toward the interior of the vehicle according to the pressing force, the curved portion 7d serves as a guide surface, and the side end portion of the roof trim 7 and the center pillar trim 14
Since the overlapping portion with the upper end of the airbag is easily separated, the airbag 5 can be smoothly expanded from the separated portion into the vehicle interior.

In the above-described embodiment, the guide member 16 is provided with the guide portion 18 forming the guide surface of the airbag 5 and the folded portion 19 extending from the front end portion toward the outside of the vehicle. At the time of expansion and deployment, excessive deformation of the guide portion 18 due to the pressing force of the airbag 5 is restricted by the folded portion 19. Accordingly, the guide function of the airbag 5 by the guide portion 18 of the guide member 16 is effectively secured with a simple configuration, and the airbag 5 is moved from the upper end of the center pillar trim 14 at the time of a side collision of the vehicle. Can be reliably expanded and deployed upward and toward the vehicle exterior wall surface of the side portion 7a of the roof trim 7.

In particular, as shown in the above embodiment (see FIG. 4), the tip of the folded portion 19 provided on the guide member 16 is separated from the side wall surface of the roof side rail 3 by a predetermined distance S. According to the configuration described above, the head or the like of the occupant is placed on the side portion 7a of the roof trim 7 at the time of a side collision of the vehicle.
The guide portion 18 of the guide member 16 can be easily deformed according to the pressing force acting upon contact with the guide member 16 until the folded portion 19 contacts the interior side wall surface of the roof side rail 3. It is possible to effectively prevent the occupant's head or the like from receiving an impact. And
After the end of the folded portion 19 abuts on the side wall surface of the roof side rail 3 in accordance with the deformation of the guide portion 18, both the folded portion 19 and the guide portion 18 are deformed. Therefore, there is an advantage that the effect of absorbing impact energy is sufficiently exhibited.

Incidentally, when the occupant's head or the like comes into contact with the side portion 7a of the roof trim 7, the guide portion 18 of the guide member 16 is easily deformed, and an impact acting on the occupant's head or the like is easily obtained. In order to further effectively reduce the force, as shown in FIG. 10, it is preferable that the guide portion 18 has a notch 24 made of a long hole or the like.
With such a configuration, there is an advantage that the weight of the guide member 16 can be reduced.

In the above embodiment, the guide member 16
Although the example in which the entire mounting board 17 is fixed to the vehicle interior side wall surface of the roof side rail 3 has been described, as shown in FIG. 11, a fixing portion 17a fixed to the vehicle interior side wall surface of the roof side rail 3; The mounting board 17 is provided with a separation portion 17b separated from the vehicle interior side wall surface.
A structure in which a folded portion 19 is provided at the tip of 7b may be used.

According to the above configuration, when the occupant's head or the like comes into contact with the side portion 7a of the roof trim 7, the mounting board 17 is moved in accordance with the load input to the installation portion of the guide member 16. Mainly deformed, the separation portion 17a of the mounting board 18
The guide portion 18 is mainly deformed from the time when the abutment comes into contact with the interior side wall surface of the roof side rail 3.
Further, after the end of the folded portion 19 comes into contact with the side wall surface of the roof side rail 3 in the vehicle interior, both the folded portion 19 and the guide portion 18 are deformed, and the impact energy absorbing action is stepwise. Therefore, the effect of absorbing the impact energy can be sufficiently obtained while effectively reducing the impact force acting on the occupant's head and the like.

As shown in FIG. 5, an inwardly inclined surface 22a is formed at the upper end of the anchor cover 22 installed on the center pillar trim 15, and
When the airbag 5 is configured to be expanded and deployed along the inclined surface 22a of the anchor cover 22 when the airbag 5 is expanded and deployed, the expansion of the airbag 5 is prevented from being hindered by the anchor cover 22. can do. Therefore, despite the provision of the anchor cover 22 above the center pillar trim 15, there is an advantage that the airbag 5 can be smoothly expanded and deployed at the time of a side collision of the vehicle or the like.

The side end of the roof trim 7 and the upper end of the center pillar trim 14 are disposed in a state of being overlapped with each other, and the guide member 16 is provided at a position corresponding to above the overlapped portion. A vehicle in which a plurality of intermediate pillars disposed between the front pillar 2 and the rear pillar 4 is disposed, a pillar trim covering a wall surface of the intermediate pillar on the vehicle interior side, and the roof A structure in which the side end portions of the trim 7 are arranged in a state of being overlapped with each other, and the guide member 16 is provided at a position corresponding to above the overlapped portion. In addition, the front pillar trim 24 or the rear pillar trim 8
The roof trim 7 and the side end of the roof trim 7 may be arranged in a state of being overlapped with each other, and the guide member 16 may be provided at a position corresponding to above the overlapped portion.

In the above embodiment, the rear part 5 of the airbag 5
a is stored along the rear side of the rear pillar 4 and extends downward along the rear side of the rear pillar 5.
b is provided at the rear end of the roof trim 7, and the front edge of the extending portion 7b of the roof trim 7 and the rear edge of the upper portion 8b of the rear pillar trim 8 are arranged in a state where they overlap each other. When the bag 5 is expanded and deployed, the airbag 5 is inflated into the vehicle cabin from the overlapping portion of the extension portion 7b of the roof trim 7 and the upper portion 8a of the rear pillar trim 8, so that when the vehicle side impacts, The airbag 5 housed and arranged along the roof side rail 3 is expanded and deployed downward, and the rear part 5a of the airbag 5 housed and arranged along the rear side of the rear pillar 4 is attached to the roof. Front edge of extension 7b of trim 7 (flange 7c)
From the rear edge of the rear pillar trim 8 and the rear edge of the upper portion 8a.

Therefore, in the event of a side collision of the vehicle, the side wall surface of the vehicle interior including the rear side of the rear pillar 4 can be widely covered by the airbag 5, so that the occupant is urged laterally. When the head is pressed toward the installation portion of the rear pillar 4, the occupant can be effectively protected by the airbag 5. Moreover, since the rear portion 5a of the airbag 5 is stored along the rear side of the rear pillar 4 as described above, the rear portion 5a of the airbag 5 is disposed.
Since the airbag 5 can be stably maintained by being locked to the side wall surface of the rear pillar 4, only the upper side of the airbag is supported and the airbag 5 is suspended from the roof side rail 3. As in the case, there is an advantage that the head of the occupant can be stably supported without causing a problem such as insufficient supporting force against the occupant's head pressed against the airbag.

In particular, in the above embodiment, the roof trim 7
The rear end of the airbag 5 is fixed to the wall surface of the rear pillar 4 located near the lower end of the extension 7b provided at the rear end of the vehicle by the fixing bolts 11 or the like. Since the rear end of the airbag 5 is fixed to the wall surface (inner panel 4a) of the rear pillar 4 below the vehicle body, the deployed state of the airbag 5 is stably held, and the rear 5a of the airbag 5 is held. For example, when the head of the occupant is pressed against the vehicle, a sufficient supporting force against the pressing force can be secured.

Further, as shown in the above embodiment, a fixing member 26 for fixing the front end of the airbag 5 to the front pillar 2 is provided, and the fixing of the front end of the airbag 5 to the front pillar 2 of the fixing member 26 is performed. The position, that is, the position of the distal end of the fixing member 26 locked by the locking member 25 is determined by the airbag 5 with respect to the rear pillar 4.
When the fixing position of the rear end of the airbag 5, that is, the fixing position of the rear portion 5a of the airbag 5 by the fixing bolt 11 or the like is set to be substantially the same height, the airbag 5 may
Can be expanded and deployed along the side wall surface of the vehicle compartment with the front end and rear end of the vehicle being fixed to the wall surfaces of the front pillar 2 and the rear pillar 4 below the vehicle body. Therefore, when the occupant's head is pressed against the rear portion 5a of the airbag 5, there is an advantage that the supporting force for this pressing force can be further increased.

[0049]

As described above, the present invention relates to an air storage device which is housed and arranged along a roof side rail, and which is expanded and deployed along a side wall surface of a vehicle compartment by actuation of an inflator at the time of a side collision of a vehicle. An occupant protection device for a vehicle, comprising: a bag; a roof trim and a pillar trim that cover a wall surface of a roof side rail and a pillar on a vehicle interior side, wherein a side end of the roof trim and an upper end of the pillar trim overlap each other. A guide member for guiding the airbag is provided on the wall surface of the roof side rail facing the overlapped portion, and the guide direction of the airbag by the guide member is set at the upper end of the pillar trim. Above the airbag and toward the outside wall surface of the roof trim at a position on the vehicle interior side. To prevent the airbag from entering between the center pillar trim and the center pillar, and to prevent the airbag from entering into the proper state along the inner side wall surface of the center pillar trim. There is an advantage that the airbag can effectively protect the occupant's head and the like.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing an embodiment of a vehicle occupant protection device according to the present invention.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIG. 3 is a sectional view taken along line III-III of FIG. 1;

FIG. 4 is a sectional view taken along line IV-IV of FIG. 1;

FIG. 5 is an explanatory diagram showing a specific configuration of an anchor cover.

FIG. 6 is a sectional view taken along line VI-VI of FIG. 1;

FIG. 7 is an explanatory view showing a deployed state of the airbag.

FIG. 8 is a view corresponding to FIG. 4, showing a deployed state of the airbag.

FIG. 9 is a view corresponding to FIG. 3, showing the deployed state of the airbag.

FIG. 10 is a perspective view showing a modification of the guide member.

FIG. 11 is a diagram corresponding to FIG. 4, showing another embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Inflator 3 Roof side rail 4 Rear pillar 5 Airbag 7 Roof trim 7d Curved part 10 Center pillar 14 Center pillar trim 16 Guide member 18 Guide part 19 Folding part

Claims (5)

[Claims] 1. An airbag which is stored and arranged along a roof side rail and which expands and deploys along a side wall surface of a vehicle compartment by actuation of an inflator when a vehicle collides with the vehicle. An occupant protection device for a vehicle including a roof trim and a pillar trim covering a wall surface on the indoor side, wherein a side end of the roof trim and an upper end of the pillar trim are disposed in a state where they are overlapped with each other. A guide member for guiding the airbag is provided on the wall surface of the roof side rail opposed to the overlapping portion, and the guide direction of the airbag by the guide member is set to be higher than the upper end of the pillar trim and on the vehicle interior side. The occupant protection device for a vehicle, wherein the occupant protection device is set so as to face the outer wall surface of the roof trim at the position of (1). 2. The vehicle occupant protection system according to claim 1, wherein the side end of the roof trim and the upper end of the pillar trim are in line contact with each other, so that the side end of the roof trim and the upper end of the pillar trim are mutually connected. An occupant protection device for a vehicle, wherein the device is superposed. 3. The vehicle occupant protection device according to claim 2, wherein a curved portion that curves toward the outside of the vehicle is provided at a side end portion of the roof trim, and the center pillar trim is provided on a side wall surface of the curved portion in the vehicle cabin. An occupant protection device for a vehicle, wherein an upper end portion is configured to abut. 4. An occupant protection system for a vehicle according to claim 1, wherein the guide member has a guide portion forming a guide surface of the airbag, and a guide portion extending from a tip end portion of the guide member toward the outside of the vehicle. An occupant protection device for a vehicle, comprising: a folded portion that extends. 5. The vehicle occupant protection system according to claim 1, wherein a front end of the folded portion provided on the guide member is disposed so as to be separated from a wall surface of the roof side rail. Occupant protection equipment.