JP3204209B2 - Front pillar garnish structure containing head protection airbag bag - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a front pillar garnish structure containing a head protection airbag bag which is inflated by a gas from an inflator when a predetermined high load acts on a vehicle body side.

[0002]

2. Description of the Related Art In order to improve the protection performance of a head of an occupant seated in a front seat when a predetermined high load is applied to a side portion of a vehicle body, the occupant is folded over a front pillar portion and a roof side rail portion. A head protection airbag device for a vehicle has already been proposed in which the stored head protection airbag bag is inflated in a curtain shape along the side window glass. Hereinafter, a configuration disclosed in WO 96/26087, which discloses this type of vehicle head protection airbag device, will be described.

[0003] As shown in FIG. 10, a head protection airbag device 100 for a vehicle includes a long duct 106 disposed from a front pillar 102 to a roof side rail 104. An airbag body 112 stored in a folded state in the duct 106 and fixed to the vehicle body at a front end fixing point 108 and a rear end fixing point 110.
An inflator 116 connected to the rear end of the duct 106 via a hose 114 and ejecting gas when a predetermined high load is applied to the vehicle body, and one end fixed to the vehicle body and the other end And a band-shaped strap 118 fixed to the rear end of the airbag body 112 as main components. Further, the airbag bag 112
Is formed by connecting a plurality of cells 120 each formed in a substantially cylindrical shape and arranged with the longitudinal direction substantially in the vehicle vertical direction.

According to the above configuration, when a predetermined high load is applied to the side of the vehicle body, gas is ejected from the inflator 116. Therefore, the ejected gas is supplied to the hose 114.
Then, the air flows into each cell 120 of the folded airbag bag 112 via the duct 106. As a result, each cell 120 expands in a substantially cylindrical shape with the longitudinal direction substantially in the vehicle vertical direction, whereby the airbag bag body 112 expands in a curtain shape along the window glass 122. Further, the rear end of the airbag bag body 112 has a strap 118.
, The rear end side of the airbag bag body 112 is surely arranged inside the upper part of the center pillar portion 124.

[0005]

However, in such a head protection airbag device for a vehicle, the airbag bag 112 is stored in the front pillar garnish, and the deployment pressure of the airbag bag 112 ( A predetermined portion of the front pillar garnish is cleaved and developed by the inflation pressure). Therefore, it is conceivable that a predetermined portion of the front pillar garnish can be easily deployed by making the cleavage deployment site of the front pillar garnish thinner or formed of a soft material. On the other hand, if the front pillar garnish is made thinner or made of a soft material, the front pillar garnish will have insufficient rigidity, causing a gap between the front pillar garnish and the instrument panel and causing problems such as stickiness. I do.

In view of the above, the present invention provides a front pillar garnish structure containing a head protection airbag bag that can be easily deployed when the airbag bag is deployed while ensuring the rigidity of the front pillar garnish. Is the purpose.

[0007]

According to the first aspect of the present invention, there is provided a curtain-shaped head protection airbag bag which is provided so as to extend from a pillar portion to a roof side rail portion and is inflated and deployed under predetermined conditions. In the front pillar garnish structure where the body is stored, the front side of the front pillar
In front of the vehicle covered and supported by the front pillar
A non-deployed part on one side and one end connected to the unfolded part and the other end
The rear end of the vehicle that covers the airbag body
And a boundary between the non-deployed part and the unfolded part.
Fluorocarbon which becomes the hinge of the deployment part when the bag bag body is inflated
And preparative pillar garnish, and is formed in a corner portion of the inner peripheral side lower end of the front pillar garnish the expansion portion
A flange provided on the non-deployed portion, a slit formed on the flange and extending toward the deployment center of the front pillar garnish, and a portion divided by the slit is connected, and the airbag bag can be broken when deployed. And a connecting portion.

Accordingly, when the airbag bag is deployed, the connecting portion is broken by the tensile force, and the slit formed in the flange is opened, so that the deployed portion of the front pillar garnish is opened.
Easy to deploy around hinges . On the other hand, in the normal state, the parts divided by the slits of the flange formed in the corner part at the lower end on the inner peripheral side of the front pillar garnish are connected to each other by the connecting part, so that the front pillar garnish has When a load is applied from the outside, a compressive force is applied to the connecting portion, but the connecting portion is not easily broken by the compressive force, and the deformation of the front pillar garnish is suppressed, so that the rigidity of the front pillar garnish can be secured.

[0009] According to a second aspect of the invention, the front pillar garnish structure that contains the head protection air bag body according to claim 1, wherein said off the connecting portion between the slits
It is characterized in that it is set in a shape along the die-cutting direction of the front pillar garnish .

Therefore, in addition to the contents described in claim 1, when the pillar garnish is injection-molded, the slit of the flange and the connecting portion can be simultaneously molded, so that no significant cost increase is caused.

According to the third aspect of the present invention, there is provided a front pillar which houses a curtain-shaped head protection airbag bag which is arranged to extend from a pillar portion to a roof side rail portion and is inflated and deployed under predetermined conditions. In the garnish structure, the car body
The front pillar covers the front of the vehicle and
A non-deployment part on the front side of the vehicle supported by the front pillar part,
One end is continuous with the developing section and the other end is a free end.
And a deployment part on the rear side of the vehicle that covers the bag bag body.
The boundary between the undeployed part and the deployed part is when the airbag bag is inflated.
Front pillar garnish, which serves as a hinge for the deployment portion
And a flange formed at a corner at the lower end on the inner peripheral side of the front pillar garnish and spanned between the deployed portion and the non-deployed portion; and the front pillar formed at the flange. A very narrow slit extending toward the deployment center of the garnish.

[0012] Therefore, at the time of the air bag body expansion, the flange of the slit is opened, the front pillar garnish
The deploying portion easily deploys around the hinge portion . On the other hand, in a normal state, the slit of the flange formed at the corner at the lower end on the inner peripheral side of the front pillar garnish is a very small width, so when a load acts on the front pillar garnish from the outside, the slit is formed by the slit. Since the divided portions abut each other to suppress deformation of the front pillar garnish, rigidity of the front pillar garnish can be secured.

According to a fourth aspect of the present invention, there is provided a front pillar in which a curtain-shaped head protection airbag bag is provided to extend from a pillar portion to a roof side rail portion and is inflated and deployed under predetermined conditions. In the garnish structure, the car body
The front pillar covers the front of the vehicle and
A non-deployment part on the front side of the vehicle supported by the front pillar part,
One end is continuous with the developing section and the other end is a free end.
And a deployment part on the rear side of the vehicle that covers the bag bag body.
The boundary between the undeployed part and the deployed part is when the airbag bag is inflated.
Front pillar garnish, which serves as a hinge for the deployment portion
And Interview, the inner periphery of the expansion portion of the front pillar garnish
Formed on the side lower end, characterized by providing the body side member and capable of abutting abutting stopping unit.

Accordingly, when the airbag bag is deployed, the deployment portion of the front pillar garnish easily deploys around the hinge . On the other hand, in the normal state, since the contact portion is provided at the lower end on the inner peripheral side of the deployed portion of the front pillar garnish, when a load acts on the front pillar garnish from outside, the contact portion contacts the body side member, The rigidity of the front pillar garnish can be secured to suppress deformation of the front pillar garnish.

According to a fifth aspect of the present invention, there is provided a front pillar containing a curtain-shaped head protection airbag bag which is arranged to extend from a pillar portion to a roof side rail portion and is inflated and deployed under predetermined conditions. In the garnish structure, the car body
The front pillar covers the front of the vehicle and
A non-deployment part on the front side of the vehicle supported by the front pillar part,
One end is continuous with the developing section and the other end is a free end.
And a deployment part on the rear side of the vehicle that covers the bag bag body.
The boundary between the undeployed part and the deployed part is when the airbag bag is inflated.
Front pillar garnish, which serves as a hinge for the deployment portion
And Interview, of the non-expansion portion of the front pillar garnish
Provided on the peripheral side lower end, to the expansion portion and capable of abutting against abutting stopping member of the front pillar garnish, that was provided with the features.

Therefore, when deploying the airbag bag , the deploying portion of the front pillar garnish deploys easily around the hinge . On the other hand, in the normal state, since the contact member is provided at the lower end on the inner peripheral side of the non-deployed portion of the front pillar garnish, when a load acts on the front pillar garnish from outside, the deployed portion of the front pillar garnish is contacted with the contact member. To prevent deformation of the front pillar garnish, ensuring the rigidity of the front pillar garnish.

According to a sixth aspect of the present invention, there is provided a front pillar garnish structure containing the head protection airbag bag according to any one of the first to fifth aspects, wherein a lower portion of the front pillar garnish has an inflator and an airbag. It is characterized by being below the position of connection with the bag.

Therefore, in addition to the contents described in any one of the first to fifth aspects, the flange, the abutment stopper, and the abutment member disposed below the front pillar garnish interfere with the deployed airbag bag. And the airbag deployment performance is not impaired.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of a front pillar garnish structure accommodating a head protection airbag bag according to the present invention will be described with reference to FIGS.

In the drawings, an arrow FR indicates a vehicle forward direction, an arrow UP indicates a vehicle upward direction, and an arrow IN indicates a vehicle width inside direction.

As shown in FIG. 5, the head protection airbag device 10 of the present embodiment includes a sensor 12 for detecting a side collision state, a column-shaped inflator 14 for ejecting gas when activated. And an airbag body 16 as main components. The sensor 12 is disposed near the lower end of the center pillar (B pillar) 18 and detects a side collision state when a side collision load of a predetermined value or more acts on the vehicle body side.

The inflator 14 is disposed near the connection between the front pillar (A pillar) 20 and the instrument panel 22 and is connected to the sensor 12 described above. Therefore, when the sensor 12 detects the side collision state, the inflator 14 is operated.

In the vertical middle part of the airbag body 16 in a side view, a tension line T connecting the front end fixed point and the rear end fixed point of the airbag body 16 is crossed, and the vertical direction of the airbag body 16 is taken in the longitudinal direction. Are formed at predetermined intervals, and these non-inflated portions 24 form a plurality of substantially parallel cylindrical inflatable portions that cross the tension line T when the airbag body is deployed. It has become.

The front end 16A of the airbag bag 16 is also provided.
Are arranged at the inflator arrangement position so that gas ejected from the inflator 14 flows in. The upper end edge of the intermediate portion 16B is arranged along the front pillar 20 and the roof side rail 28, and the rear end The upper edge of 16C is arranged near quarter pillar (C pillar) 30.

As shown in FIG. 6, the air bag 16
Are folded in a bellows shape in a substantially vertical direction to be elongated, and are housed over the front pillar garnish 26 and the roof side rail garnish 27 or the roof head lining.

As shown in FIG. 4, the front pillar 20
Is a pillar outer panel 32 having a hat-shaped cross section disposed outside the vehicle compartment, a substantially flat pillar inner panel 34 disposed inside the vehicle compartment, and a pinched state between the pillar outer panel 32 and the pillar inner panel 34. The pillar reinforcement 33 having a substantially hat-shaped cross section is arranged to form a closed cross-sectional structure. Note that an opening weather strip 38 is elastically fitted to the rear end flange portion of the front pillar 20. Front pillar 20 described above
On the vehicle interior side of the pillar inner panel 34, a pillar garnish 26 made of resin is disposed.

The pillar garnish 26 includes a developing portion 26A and a non-developing portion 26B, and the developing portion 26A and the non-developing portion 2
6B, a thin hinge portion 26C serving as a deployment center is formed along the longitudinal direction of the pillar garnish 26. The hinge portion 26C is formed on the inner side surface of the pillar garnish 26 along the longitudinal direction of the pillar garnish 26. When the airbag body is deployed, the hinge portion 26C is deployed.
However, it is configured to elastically deform and open around a hinge portion 26C which is a boundary with the non-deployment portion 26B. The terminal portion on the side of the deployment portion 26A is elastically locked to the above-mentioned opening weather strip 38.

The mounting portion 35 of the airbag bag 16
Are sandwiched between positioning plates 40 and 42, and are fastened and fixed to the pillar inner panel 34 via these plates 40 and 42 by weld nuts 37 and bolts 39.

As shown in FIG. 2, the upper end of the pillar garnish 26 is connected to the front end of the roof side rail 28, and the lower part of the pillar garnish 26 is formed at the front of both ends in the vehicle width direction of the instrument panel 22. Inserted into the recessed portion 22A.

As shown in FIG. 1, the front pillar garnish 26 has a developing portion 2
A flange 26D is formed between the 6A and the non-deployed portion 26B. In the middle of the flange 26D, a slit 50 extending toward the hinge 26C serving as the deployment center is provided.
Is formed in the middle of the slit 50, and a rib 52 is formed as a connecting portion that connects the opposing parts of the flange 26D divided by the slit 50.
In addition, the rib 52 is set to a strength that can be broken by a tensile force applied when the airbag body is deployed.

Incidentally, as shown in FIG.
The lower part of the front pillar garnish 26 where D is formed is set to be lower than the connection position 58 (deployment area of the airbag body 16) between the inflator 14 and the airbag body 16.

As shown in FIG. 3, the cross-sectional shape of the rib 52 is such that the side 52A along the direction in which the mold is pulled out (the direction of arrow A in FIG. 3) when the front pillar garnish 26 is injection-molded.
The slit 50 and the rib 52 of the flange 26D can be formed simultaneously when the front pillar garnish 26 is injection-molded.

Next, the operation of the present embodiment will be described.

In this embodiment, when the airbag bag is deployed, the flange 26D of the front pillar garnish 26 is used.
Since the rib 52 formed on the base is broken by the tensile force,
The slit 50 formed in the flange 26D is easily opened, and the front pillar garnish 26 is
Deploy easily along 6C.

On the other hand, in the normal state, the flange 2 formed at the lower corner portion of the front pillar garnish 26
Since the opposed portions of the flange 26D divided by the 6D slit 50 are connected to each other by the rib 52, the deployed portion 26A of the front pillar garnish 26
In the lower part of the vehicle, for example, load from the rear of the vehicle (arrow F in FIG. 1)
Acts, a compressive force is applied to the rib 52, but the rib 5
2 is hard to be broken by a compressive force and suppresses the deformation of the front pillar garnish 26, so that the rigidity of the front pillar garnish 26 can be secured. As a result, the front pillar garnish 26 and the instrument panel 22
There is no gap between the recess 22A.

In the present embodiment, the lower part of the front pillar garnish 26 where the flange 26D is formed is set below the connecting position 58 between the inflator 14 and the airbag body 16, so that the flange 26D
However, it does not interfere with the airbag body 16 to be deployed, and the airbag body deployment performance is not hindered.

In the present embodiment, the cross-sectional shape of the rib 52 is determined by changing the side 52 along the direction in which the front pillar garnish 26 is removed (in the direction of arrow A in FIG. 3).
Because it is a parallelogram with A, when injection molding,
Since the slit 50 and the rib 52 of the flange 26D can be formed at the same time, there is no significant cost increase.

Next, a second embodiment of the front pillar garnish structure accommodating the head protection airbag bag of the present invention will be described with reference to FIG.

The same members as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

As shown in FIG. 7, in the present embodiment, a very small width slit 60 extending toward a hinge portion 26C serving as a deployment center is provided at an intermediate portion of a flange 26D formed at a lower corner portion of the front pillar garnish 26. Are formed.

Therefore, in this embodiment, when the airbag bag is deployed, the slit 60 formed in the flange 26D of the front pillar garnish 26 is opened, and the front pillar garnish 26 is easily extended along the hinge portion 26C where the deployment center is located. expand.

On the other hand, in the normal state, the slit 6 formed in the flange 26D of the front pillar garnish 26
Since 0 is the minimum width, for example, when a load (arrow F in FIG. 7) acts on the lower part of the deployed portion 26A of the front pillar garnish 26 from the rear of the vehicle, a portion divided by the slit 60 of the flange 26D is formed. The rigidity of the front pillar garnish 26 can be ensured because the front pillar garnish 26 is in contact with each other and the deformation of the front pillar garnish 26 is suppressed. As a result, there is no gap between the front pillar garnish 26 and the recess 22A of the instrument panel 22 (see FIG. 2).

In this embodiment, the lower part of the front pillar garnish 26 where the flange 26D is formed is set below the connecting position 58 between the inflator 14 and the airbag body 16, so that the flange 26D
However, it does not interfere with the airbag body 16 to be deployed, and the airbag body deployment performance is not hindered.

Next, a third embodiment of a front pillar garnish structure accommodating the head protection airbag bag of the present invention will be described with reference to FIG.

The same members as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

As shown in FIG. 8, in the present embodiment, a contact stop portion 62 is formed at a lower portion of the deployed portion 26A of the front pillar garnish 26. This stop portion 62
Is formed on the inner periphery of the front pillar garnish 26 toward the front of the vehicle, and the front end 6
2A is in contact with or close to a wall 64A formed on a front pillar inner panel 64 serving as a body side member.

In the present embodiment, the lower part of the front pillar garnish 26 where the abutment stop 62 is formed is set lower than the connecting position 58 between the inflator 14 and the airbag body 16.

Therefore, in this embodiment, when the airbag body is deployed, the front pillar garnish 26 is easily deployed along the hinge portion 26C serving as the deployment center. on the other hand,
In a normal state, for example, when a load (arrow F in FIG. 7) acts on the lower portion of the deployed portion 26A of the front pillar garnish 26 from the rear of the vehicle, the lower pillar 26A is applied by a wall portion 64A formed on the front pillar inner panel 64. Stop part 62
Of the front pillar garnish 26 is suppressed, and the rigidity of the front pillar garnish 26 can be secured. As a result, there is no gap between the front pillar garnish 26 and the recess 22A of the instrument panel 22 (see FIG. 2).

In the present embodiment, the lower part of the front pillar garnish 26 where the abutment stop 62 is formed is set below the connecting position 58 between the inflator 14 and the airbag body 16, so that the abutment is performed. Stop part 62
However, it does not interfere with the airbag body 16 to be deployed, and the airbag body deployment performance is not hindered.

Next, a fourth embodiment of the front pillar garnish structure accommodating the head protection airbag bag of the present invention will be described with reference to FIG.

The same members as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

As shown in FIG. 9, in this embodiment, the unfolded part 26B of the front pillar garnish 26
An abutment member 66 that can contact the lower portion of the inner periphery of A is provided. One end 66A of the abutment member 66 is fixed to a pedestal 26E formed at the lower portion of the inner periphery of the non-deployed portion 26B of the front pillar garnish 26. The other end 66B of the abutment member 66 is connected to the front pillar garnish 2
6 is in contact with or approaching the lower inner periphery of the deployed portion 26A.

In the present embodiment, the stop member 66
Is set below the connecting position 58 between the inflator 14 and the airbag body 16.

Therefore, in this embodiment, when the airbag body is deployed, the front pillar garnish 26 is easily deployed along the hinge portion 26C serving as the deployment center. on the other hand,
In a normal state, for example, when a load (arrow F in FIG. 7) acts on the lower portion of the deployed portion 26A of the front pillar garnish 26 from the rear of the vehicle, the forward movement of the deployed portion 26A is performed by the abutment member 66. Since this is prevented, the deformation of the front pillar garnish 26 is suppressed, and the rigidity of the front pillar garnish 26 can be secured. As a result, there is no gap between the front pillar garnish 26 and the recess 22A of the instrument panel 22 (see FIG. 2).

In the present embodiment, the stop member 66
Is arranged below the connecting position 58 between the inflator 14 and the airbag body 16, so that the abutment member 66 is positioned between the inflator 14 and the deployed airbag body 16. There is no interference, and the airbag deployment performance is not hindered.

In the above, the present invention has been described in detail with respect to a specific embodiment. However, the present invention is not limited to such an embodiment, and various other embodiments are included within the scope of the present invention. It is clear to a person skilled in the art that is possible.

[0057]

According to the first aspect of the present invention, there is provided a curtain-shaped head protection airbag bag which is provided to extend from the pillar portion to the roof side rail portion and is inflated and deployed under predetermined conditions. Front pillar garnish construction with car
Cover the front pillar part of the vehicle
And a non-deployed portion on the front side of the vehicle supported by the top pillar.
The end is continuous with the deployment part and the other end is free end,
It consists of a deployment part on the rear side of the vehicle that covers the body.
The boundary between the opening and the opening
And the front pillar garnish as a di-, formed in a corner portion of the inner peripheral side lower end of the front pillar garnish Exhibition
Flange bridged between the open and non-deployed parts , a slit formed on the flange and extending toward the deployment center of the front pillar garnish, and a portion divided by the slit, which can be broken when the airbag bag is deployed. With such a structure, the garnish main body can be easily deployed when the airbag bag is deployed, while maintaining the rigidity of the front pillar garnish.

[0058] According to a second aspect of the invention, Furontopi in the front pillar garnish structure that contains the head protection air bag body according to claim 1, the connecting portion and the slit
Since the shape is set along the die removing direction of the large garnish, in addition to the effect described in claim 1, there is an excellent effect that the slit of the flange and the connecting portion can be simultaneously molded at the time of injection molding.

According to a third aspect of the present invention, there is provided a front pillar containing a curtain-shaped head protection airbag bag which is provided to extend from a pillar portion to a roof side rail portion and is inflated and deployed under predetermined conditions. In the garnish structure, the car body
Of the front pillar of the vehicle
A non-deployed portion on the vehicle front side supported by the top pillar portion, and one end
Is connected to the deployment part and the other end is a free end.
And a deployment part on the rear side of the vehicle that covers
When the airbag bag is inflated, the boundary between
The front pillar garnish and the front pillar garnish are formed and deployed at the inner lower corner
Airbag, while maintaining the rigidity of the front pillar garnish because it has a flange spanned between the part and the non-deployed part, and a very narrow slit formed in the flange and extending toward the deployment center of the front pillar garnish. It has an excellent effect that the garnish body can be easily deployed when the bag is deployed.

According to a fourth aspect of the present invention, there is provided a front pillar which houses a curtain-shaped head protection airbag bag which is disposed to extend from a pillar portion to a roof side rail portion and is inflated and deployed under predetermined conditions. In the garnish structure, the car body
Of the front pillar of the vehicle
A non-deployed portion on the vehicle front side supported by the top pillar portion, and one end
Is connected to the deployment part and the other end is a free end.
And a deployment part on the rear side of the vehicle that covers
When the airbag bag is inflated, the boundary between
, And the front pillar garnish to be formed on the inner peripheral side lower end of the expansion portion of the front pillar garnish, due to the provision of the body side member and capable of abutting abutting stopping portion, while ensuring the rigidity of the front pillar garnish, air It has an excellent effect that the garnish body can be easily deployed when the bag bag is deployed.

According to a fifth aspect of the present invention, there is provided a front pillar containing a curtain-shaped head protection airbag bag which is provided to extend from a pillar portion to a roof side rail portion and is inflated and deployed under predetermined conditions. In the garnish structure, the car body
Of the front pillar of the vehicle
A non-deployed portion on the vehicle front side supported by the top pillar portion, and one end
Is connected to the deployment part and the other end is a free end.
And a deployment part on the rear side of the vehicle that covers
When the airbag bag is inflated, the boundary between
And the front pillar garnish as a, provided on the inner peripheral side lower end of the non-expansion portion of the front pillar garnish, due to the provision of the abutting stopping member capable of contacting and development of the front pillar garnish, and ensuring the rigidity of the front pillar garnish In addition, when the airbag bag is deployed, the garnish body can be easily deployed.

According to a sixth aspect of the present invention, there is provided a front pillar garnish structure containing the head protection airbag bag according to any one of the first to fifth aspects, wherein a lower portion of the front pillar garnish has an inflator and an airbag bag. Since it is located below the connection position with the body, in addition to the effect according to any one of claims 1 to 5, there is an excellent effect that the airbag body deployment performance is not hindered.

[Brief description of the drawings]

FIG. 1 is a perspective view of a front pillar garnish structure containing a head protection airbag bag according to a first embodiment of the present invention, as viewed from the front outside of a vehicle.

FIG. 2 is a perspective view of the front pillar garnish structure in which the head protection airbag bag according to the first embodiment of the present invention is stored, as viewed from the rear inside of the vehicle.

FIG. 3 is an enlarged sectional view taken along line 3-3 in FIG.

FIG. 4 is an enlarged sectional view taken along line 4-4 in FIG. 6;

FIG. 5 is a schematic side view showing an inflated and deployed state of the airbag bag in a vehicle to which the front pillar garnish structure containing the head protection airbag bag according to the first embodiment of the present invention is applied.

FIG. 6 is a schematic side view showing a storage state of the airbag bag in a vehicle to which a front pillar garnish structure storing the head protection airbag bag according to the first embodiment of the present invention is applied.

FIG. 7 is a perspective view of a front pillar garnish structure in which a head protection airbag bag according to a second embodiment of the present invention is stored, as viewed from the front outside of the vehicle.

FIG. 8 is a perspective view of a front pillar garnish structure in which a head protection airbag bag according to a third embodiment of the present invention is stored, as viewed from the front outside of the vehicle.

FIG. 9 is a perspective view of a front pillar garnish structure in which a head protection airbag bag according to a fourth embodiment of the present invention is stored, as viewed from the front outside of the vehicle.

FIG. 10 is a schematic side view illustrating a completed deployment state of an airbag body in a vehicle head protection airbag device according to a conventional embodiment.

[Explanation of symbols]

 Reference Signs List 10 vehicle head protection airbag device 14 inflator 16 airbag bag body 20 front pillar 26 front pillar garnish 26A pillar garnish deployment part 26B pillar garnish non-deployment part 26C pillar garnish hinge part 26D pillar garnish flange 50 slit 52 Rib (connection portion) 58 Connection position between inflator and airbag bag body 60 Ultra-small width slit 62 Stop portion 64 Front pillar inner panel (body side member) 64A Wall portion of front pillar inner panel 66 Stop member

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B60R 21/16-21/32 B60R 13/02

Claims (6)

(57) [Claims] 1. A disposed astride the pillar portion in the roof side rail portion, the front pillar garnish structure that contains the curtain head protection air bag body to be inflated and deployed at a predetermined condition, the vehicle body front Covers the front part of the vehicle in front of the pillar and
Non-deployed part on the front side of the vehicle supported by the front pillar part
And one end is continuous with the developing section and the other end is a free end.
And a deployment portion on the rear side of the vehicle that covers the airbag bag.
The boundary between the non-deployed part and the deployed part is an airbag bag.
Front pillar gar that becomes a hinge of the deployed part when inflated
Furnish and the flange which is formed at the corner <br/> over portion of the inner peripheral side lower end was bridged and the expansion portion and the non-development portion of the front pillar garnish is formed in the flange expansion center of the front pillar garnish And a connecting portion that connects the portions divided by the slit and that can be broken when the airbag bag is deployed. Pillar garnish structure. 2. The front pipe according to claim 1, wherein
The front pillar garnish structure according to claim 1, wherein the front garnish is configured to have a shape along a direction in which the garnish is removed. 3. disposed astride the pillar portion in the roof side rail portion, the front pillar garnish structure that contains the curtain head protection air bag body to be inflated and deployed at a predetermined condition, the vehicle body front Covers the front part of the vehicle in front of the pillar and
Non-deployed part on the front side of the vehicle supported by the front pillar part
And one end is continuous with the developing section and the other end is a free end.
And a deployment portion on the rear side of the vehicle that covers the airbag bag.
The boundary between the non-deployed part and the deployed part is an airbag bag.
Front pillar gar that becomes a hinge of the deployed part when inflated
Furnish and the front pillar inner peripheral side is formed at the corner <br/> over part of the bottom flange that is bridged and the deployment portion and the non-expansion portion of the garnish is formed in the flange expansion of the front pillar garnish A front pillar garnish structure containing a head protection airbag bag, comprising: a very narrow slit extending toward the center; 4. Straddling from a pillar portion to a roof side rail portion.
Curtains that are arranged in a row and are inflated and deployed under specified conditions
Front pillar containing airbag protection
In the nish structureCovers the front pillar of the vehicle body and the front
Non-deployed part on the front side of the vehicle supported by the front pillar part
And one end is continuous with the developing section and the other end is a free end.
And a deployment portion on the rear side of the vehicle that covers the airbag bag.
The boundary between the non-deployed part and the deployed part is an airbag bag.
Front pillar gar that becomes a hinge of the deployed part when inflated
And the nish Said Of the deployment part of the front pillar garnishInner circumference lower end
ToFormed,Contact stopper that can contact the body side memberWhen,  The head protection airbag bag which features
Front pillar garnish structure. 5. Straddling from a pillar portion to a roof side rail portion.
Curtains that are arranged in a row and are inflated and deployed under specified conditions
Front pillar containing airbag protection
In the nish structureCovers the front pillar of the vehicle body and the front
Non-deployed part on the front side of the vehicle supported by the front pillar part
And one end is continuous with the developing section and the other end is a free end.
And a deployment portion on the rear side of the vehicle that covers the airbag bag.
The boundary between the non-deployed part and the deployed part is an airbag bag.
Front pillar gar that becomes a hinge of the deployed part when inflated
And the nish Said Of the non-deployment part of the front pillar garnishInner circumference lower
endToProvided, Front pillar garnish deployment section
Abuttable stop membersWhen,  The head protection airbag bag which features
Front pillar garnish structure. 6. The head protection airbag bag according to claim 1, wherein a lower portion of the front pillar garnish is located below a connecting position between the inflator and the airbag bag. Stored front pillar garnish structure.