JP2001018731A - Pillar garnish mounting structure for vehicles with head protection airbag device - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To expand the deployment space of an airbag bag in a pillar garnish and a ceiling material, improve the deployment performance of the airbag bag, and suppress the vibration of the pillar garnish. A periphery of a mounting hole (40) of a quarter inner panel (18) is formed by a vehicle interior side elastic piece (50C) and a vehicle interior outer elastic piece (50D) of a separate clip (50) coaxially arranged on a pin (44) inserted into a C pillar garnish (38). Is holding. When a load equal to or more than a predetermined value is applied to the interior of the C pillar garnish 38 in the vehicle interior, the exterior elastic piece 50D of the clip 50 is deformed as the C pillar garnish 38 moves in the same direction. As a result, the contact relationship with the peripheral edge of the mounting hole 40 is released, and the head 44A of the pin 44 engages with the peripheral edge of the small-diameter hole portion 42B of the mounting hole 42.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pillar garnish mounting structure for a vehicle equipped with a head protection airbag device, and more particularly to a head protection provided with a roof side rail and an airbag bag which is deployed in a curtain shape along the pillars. The present invention relates to a pillar garnish mounting structure for a vehicle equipped with an airbag device.

[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 has been proposed in which the stored airbag body is inflated in a curtain shape along the side window glass. Hereinafter, WO 96/2 which discloses this type of head protection airbag device.
The configuration disclosed in Japanese Patent No. 6087 will be described.

As shown in FIG. 7, a head protection airbag device 100 includes an elongated duct 106 disposed from a front pillar 102 to a roof side rail 104, and a duct 106. The front end fixed point 108 and the rear end fixed point 110 are stored in a folded state inside.
An airbag bag body 112 fixed to the vehicle body side at, and an inflator 116 connected to the rear end of the duct 106 via a hose 114 and blowing out gas when a predetermined high load acts on the vehicle body side, A belt-shaped strap 118 having one end fixed to the vehicle body and the other end fixed to the rear end of the airbag bag 112 is a main component. Further, the airbag bag body 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.

In such a pillar garnish mounting structure in a vehicle equipped with such a head protection airbag device, for example, one of the upper and lower ends of the front pillar garnish is fastened and fixed to the front pillar inner panel with bolts and the like. While covering the bolts and the like with a hidden cap, on the other of the upper and lower ends, the head of the metal pin integrally provided on the front pillar garnish is engaged with a key-shaped engagement hole formed on the front pillar inner panel, When the airbag bag is deployed, the front pillar garnish is deformed in a U-shape to secure a deployment space for the airbag bag and prevent the front pillar garnish from coming off.

[0006]

However, in such a pillar garnish mounting structure in a vehicle equipped with a head protection airbag device, the head of the metal pin is engaged with a key-shaped engagement hole formed in the front pillar inner panel. To let
Axial positioning of metal pins on pillar garnish body is not possible. That is, since the pillar garnish main body vibrates in the floating direction with respect to the pillar inner panel during running of the vehicle, it is necessary to take measures to suppress abnormal noise due to the vibration. In addition, in such a pillar garnish mounting structure in a vehicle equipped with a head protection airbag device, the front pillar garnish is deformed in a V shape when the airbag bag is deployed, so that the deployment space for the airbag bag is secured. There was no room for improvement as there was no effect on ceiling materials.

[0007] In consideration of the above fact, the present invention can expand the deployment space of the airbag bag in the pillar garnish and the ceiling material, improve the deployment performance of the airbag bag, and suppress the vibration of the pillar garnish. It is an object to obtain a pillar garnish mounting structure in a vehicle equipped with an airbag device.

[0008]

SUMMARY OF THE INVENTION According to the present invention, a pillar garnish is mounted on a vehicle equipped with a head protection airbag device having a roof side rail and an airbag bag deployed in a curtain along the pillar. In the structure, a pin has a head at the tip and is provided integrally with the pillar garnish, a large-diameter hole through which the head of the pin can be inserted, and a small-diameter hole through which the head of the pin can engage. A keyhole-shaped engagement hole formed at an upper portion of the pillar inner panel, and a separate clip fitted to the pin from a direction perpendicular to the axis of the pin and arranged coaxially with the pin, wherein the clip includes: The V-groove for pin fitting, a vehicle interior side elastic piece abutting on a vehicle interior side surface of the mounting hole peripheral edge, and a vehicle interior exterior elastic piece abutting on a vehicle exterior side surface of the mounting hole peripheral edge,
When a load equal to or more than a predetermined value is applied to the interior of the pillar garnish on the pillar garnish, the interior elastic piece of the clip deforms with the movement of the pillar garnish in the same direction, and abuts on the periphery of the mounting hole. The relationship is released, and the head of the pin is engaged with the periphery of the mounting hole.

Therefore, in a normal use state, since the inner side elastic piece of the clip and the outer side elastic piece of the clip hold the periphery of the mounting hole of the pillar inner panel, the pin is positioned in the pillar garnish in the axial direction. Can be. That is, since the pillar garnish can be prevented from vibrating in the floating direction with respect to the pillar inner panel, abnormal noise due to the vibration can be suppressed. Also, when the occupant's head abuts on the pillar garnish and a load exceeding a predetermined value acts on the pillar garnish to the outside of the cabin, the cabin interior elastic piece of the clip is deformed, and the pillar garnish together with the pin is moved out of the cabin. Therefore, the impact on the occupant's head can be reduced.

On the other hand, when the airbag bag is inflated, a load of a predetermined value or more acts on the pillar garnish toward the vehicle interior, so that the vehicle exterior elastic piece of the clip is deformed and the engagement relationship with the periphery of the mounting hole of the pillar is made. Is released, and the pillar garnish moves in the same direction. As a result, the space for deploying the airbag bag is expanded, and at the same time, a gap is created between the upper end of the pillar garnish and the ceiling material, making it easier to deploy the ceiling material and improving the deployment performance of the airbag bag. can do. In addition, since the pin head engages with the periphery of the mounting hole of the pillar inner panel, the pillar garnish can be prevented from falling off. Further, since the clip is provided separately, if the clip is damaged, only the clip needs to be replaced, which is economical.

According to a second aspect of the present invention, in the vehicle equipped with the head protection airbag device according to the first aspect, a thin integral hinge is formed at a portion of the clip facing the V groove. It is characterized by the following.

Therefore, in addition to the contents described in claim 1, when the clip is fitted to the pin from a direction perpendicular to the axis of the pin and the clip is arranged coaxially with the pin, the pin is inserted into the V groove of the clip. At this time, the diameter of the V-groove of the clip can be easily increased by the integral hinge formed at the portion facing the V-groove of the clip. As a result, it is easy to attach the clip to the pin. Also, the clip can be easily removed from the pin.

According to a third aspect of the present invention, in the vehicle equipped with the head protection airbag device according to the first aspect, a positioning projection provided on a boss end face of a pillar garnish is provided at a portion of the clip facing the V-groove. It is characterized in that an engaging positioning groove is formed.

Therefore, in addition to the contents described in claim 1, when the clip is fitted to the pin from a direction perpendicular to the axis of the pin and the clip is arranged coaxially with the pin, the clip is fitted to the pin at the same time as the fitting of the clip to the pin. A positioning groove formed in a portion of the clip facing the V groove engages with a positioning projection provided on the boss end surface of the pillar garnish. As a result, the clip can be accurately assembled at a predetermined position of the pillar garnish.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a pillar garnish mounting structure in a vehicle equipped with a head protection airbag device according to the present invention will be described with reference to FIGS.

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

As shown in FIG. 3, a head protection airbag device 10 of the present embodiment has a sensor (not shown) for detecting a side collision state, and a column-shaped inflator for ejecting gas when activated. 14 and an airbag bag 16
And as main components. The sensor is
For example, it is disposed near the lower end of the B pillar (center pillar), and detects a side collision state when a side collision load of a predetermined value or more acts on the vehicle body side. Also,
The inflator 14 is fixed to a quarter inner panel 18 as a pillar inner panel via a bracket 20, and is connected to the above-described sensor. Therefore, when the sensor detects the side collision state, the inflator 14 operates.

The main body 16A of the airbag bag body 16 has an upper end portion 38A of a C pillar garnish 38 and a vehicle width direction outer portion 32A of a roof head lining 32 as a ceiling material.
The gas introduction passage 22 extends obliquely downward and rearward from the upper rear end of the main body 16 </ b> A of the airbag bag body 16. The gas introduction passage 22 is connected to the inflator 14, and the gas ejected from the inflator 14 flows into the main body 16 </ b> A of the airbag body 16 via the gas introduction passage 22.

The airbag bag 16 folded in a bellows shape
Of the roof side rail inner panel 24
Are arranged along. At the upper edge of the airbag body 16, mounting portions 26 are formed to protrude at predetermined intervals in the front-rear direction, and the airbag bag 16 is fixed to these mounting portions 26 by fixing members such as bolts. 28, it is fixed to the roof side rail inner panel 24.

As shown in FIG. 1, the front end portion 32B of the outer portion 32A in the vehicle width direction of the roof head lining 32 is
When the airbag bag 16 is deployed and is engaged with the upper end portion 38A of the pillar garnish 38 and the airbag bag 16 is deployed, the airbag bag 16 is inflated and deployed toward the vehicle compartment. Due to the inflation pressure of the bag body 16, the engagement between the front end portion 32B of the roof head lining 32 and the upper end portion 38A of the C pillar garnish 38 is released, and the vehicle width direction outer portion 32A of the roof head lining 32 is expanded toward the vehicle interior. Then, the airbag bag body 16 is inflated and deployed toward the vehicle interior from the gap.

As shown in FIG. 3, a gas introduction passage 22 for the airbag bag 16 is provided at the center of the quarter inner panel 18 in the front-rear direction, and above the quarter inner panel 18 in the front-rear direction. A pair of front and rear engagement holes 40 and 42 for fixing the upper part of the C-pillar garnish 38 at predetermined intervals are formed. The engagement hole 4
0 and 42 are large-diameter holes 40A and 42A and large-diameter holes 40A.
A, 42A are small diameter holes 40B, 42B formed continuously on the vehicle rear side. The C-pillar garnish 38 is fixed to the quarter inner panel 18 at a plurality of portions other than the engagement holes 40 and 42.

As shown in FIG. 1, the inside of the cabin of the base material 38B of the C-pillar garnish 38 is covered with a skin 38C. The base portion 44B of the metal pin 44 having the head portion 44A is insert-molded. When the root portion 44B of the pin 44 is inserted, the boss portion 38D of the C pillar garnish 38 becomes thick, and the C pillar garnish 38 corresponding to the boss portion 38D is formed.
Since sinks occur on the surface of the base material 38B, the root portion 44B
Is formed in advance with a resin coating portion 46 constituting a part of the boss portion 38D.

As shown in FIG. 4, the resin coating portion 46 has a substantially cylindrical shape, and the end surface 4 as a boss end surface is formed.
6A has ribs 4 as positioning projections along the diameter direction.
6B is erected. In addition, a ring groove 48 is provided on the outer peripheral portion.
Is formed, and a part of the base material 38B of the C pillar garnish 38 flows into the ring groove 48. The resin coating portion 46 is preferably made of the same material as the base material 38B of the C pillar garnish 38. However, in order to absorb shock and prevent breakage when the airbag bag is deployed, a polyolefin-based thermoplastic elastomer (TP) is used.
A soft material such as O) may be used.

As shown in FIG. 1, a separate resin clip 50 is coaxially arranged on the outer periphery of the pin 44.

As shown in FIG. 5, the clip 50 has a V
A groove 52 is formed, and the cross-sectional shape of the clip 50 is C
It is shaped like a letter. A flange 50B is formed at the lower end of the body 50A of the clip 50.

As shown in FIG. 6, a thin integral hinge 54 is formed on the inner peripheral portion of the main body 50A facing the V groove 52 of the clip 50. Therefore, the clip 50 is connected to the V-groove 5 by the integral hinge 54.
2 can be elastically deformed in the direction in which it spreads, so that the clip 50 can be easily attached to the pin 44 from a direction perpendicular to the axis thereof (the direction of the arrow A in FIG. 4), and can be easily removed. I have. Also, the V groove 52 of the clip 50
A positioning groove 56 is formed along the radial direction at a portion of the flange 50B opposite to the positioning groove 5B.
By fitting the rib 46B of the resin coating portion 46 shown in FIG. 4 into the V groove 6 and the V groove 52, the clip 50 can be accurately assembled at a predetermined position coaxially with the pin 44. I have.

As shown in FIG. 1, the clip 50 includes
The cabin inner side elastic piece 50C which abuts on the inner side surface 18A of the small diameter hole 40B of the mounting hole 40 formed in the quarter inner panel 18 and the outer side surface 18B of the circumference of the small diameter hole 40B of the mounting hole 40. And a vehicle exterior elastic piece 50D.

As shown in FIG. 6, the vehicle interior elastic piece 50C of the clip 50 is formed in an arc shape facing the flange 50B, and the vehicle exterior elastic piece 50D is formed in the positioning groove 5.
A pair is formed in a direction orthogonal to 6. Therefore, in a normal use state, the clip 50 </ b> C
Quarter inner panel 18 with the vehicle exterior elastic piece 50D
Since the peripheral edge of the mounting hole 40 is held, the metal pin 44 in the C pillar garnish 38 can be positioned in the axial direction. That is, it is possible to suppress the upper portion of the C pillar garnish 38 from vibrating in the floating direction with respect to the quarter inner panel 18. Further, when the airbag body is not deployed, the occupant's head comes into contact with the upper part of the C-pillar garnish 38, and the load above the C-pillar garnish 38 toward the outside of the vehicle compartment (in the direction of arrow B in FIG. 1) exceeds a predetermined value. When actuated, the vehicle interior side elastic piece 50C of the clip 50 is deformed, so that the upper part of the C pillar garnish 38 together with the pin 44 can move outside the vehicle interior. On the other hand, when a load equal to or more than a predetermined value acts on the C-pillar garnish 38 toward the interior of the vehicle (in the direction of arrow C in FIG. 1) when the airbag bag is deployed, the C-pillar garnish 3
8 in the same direction (the direction of the arrow C in FIG. 1), the vehicle-side elastic piece 50D of the clip 50 is deformed and
The abutment relationship with the zero circumference is released.

As shown in FIG. 1, the large-diameter hole portion 40A of the engaging hole 40 is set to have a size such that the head portion 44A of the pin 44 shown in FIG. 4
Are set so that the head 44A of the pin 44 shown in FIG. Therefore, at the time of assembly, the head 44A of the pin 44 is passed through the large-diameter hole 40A of the engagement hole 40, and then the pin 44 (the upper part of the C-pillar garnish 38) is moved toward the small-diameter hole 40B. Has become. Also,
C pillar garnish 3 when deploying airbag bag
As shown in FIG. 2, to reduce the damage of
The stroke L1 until the head 44A of the pin 44 engages with the periphery of the small-diameter hole portion 42B of the mounting hole 42 is the moving distance L3-L2 of the C pillar garnish 38 due to the development of the gas introduction passage 22 of the airbag body 16. Larger (L1> L3
-L2) It is set.

As shown in FIG. 2, a pin 44 is insert-molded at the rear end of the base material 38B of the C-pillar garnish 38, similarly to the front end of the upper end, and a resin coating portion 46 is formed at the root 44B of the pin 44. Are formed.

As shown in FIG. 1, the engaging hole 42 includes a large-diameter hole 42A and a small-diameter hole 42B formed on the vehicle rear side of the large-diameter hole 42A, like the engaging hole 40. I have.
The large-diameter hole portion 42A of the engagement hole 42 is provided with a pin 44 shown in FIG.
Of the pin 44 shown in FIG. 2 is set to a size that allows the head 44A of the pin 44 shown in FIG.

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

In the present embodiment, the small-diameter holes 40B of the mounting holes 40, 42 formed in the quarter inner panel 18 by the vehicle interior elastic pieces 50C and the vehicle exterior elastic pieces 50D of the clip 50 in the normal use state. , 42B, the metal pins 44 in the C-pillar garnish 38 can be positioned in the axial direction. That is, the upper part of the C pillar garnish 38 is the quarter inner panel 18.
Therefore, it is possible to suppress the vibration in the floating direction, so that abnormal noise due to the vibration can be suppressed. When the airbag body is not deployed, the occupant's head abuts on the upper part of the C-pillar garnish 38, and the upper part of the C-pillar garnish 38 is subjected to a load exceeding a predetermined value in the outside of the vehicle compartment (in the direction of arrow B in FIG. 1). When actuated, the cabin interior elastic piece 50C of the clip 50 is deformed and the upper part of the C-pillar garnish 38 moves out of the cabin together with the pin 44, so that the impact on the occupant's head can be reduced.

In this embodiment, when a side impact load of a predetermined value or more is applied to the side of the vehicle body, a sensor detects that a side collision has occurred. For this reason, the inflator 14
Operates to eject a predetermined amount of gas. This allows
The airbag bag body 16 starts to inflate, and the inflated airbag bag body 16 disengages the front end portion 32B of the roof head lining 32 from the upper end portion 38A of the C pillar garnish 38. The outer portion 32A in the width direction expands into the vehicle interior, and the airbag bag 16 bulges from the gap below the roof side rail on the vehicle interior side from the vehicle rear side toward the vehicle front side. At this time, as shown in FIG. 2, the gas introduction passage 22 of the airbag bag body 16 is inflated and expanded to press the upper part of the C-pillar garnish 38 toward the vehicle interior.

At this time, in the present embodiment, when a load above the predetermined value is applied to the upper part of the C-pillar garnish 38 toward the vehicle interior (in the direction of arrow C in FIGS. 1 and 2), the clip 50
Of the cabin outside elastic piece 50D is deformed (crushed).
The contact relationship with the zero peripheral edge is released, and the upper part of the C pillar garnish 38 moves in the same direction (the direction of arrow C in FIGS. 1 and 2). As a result, at the same time as the expansion space of the airbag bag body 16 is expanded, a gap is generated between the upper end portion 38A of the C-pillar garnish 38 and the outer side portion 32A of the roof head lining 32 in the vehicle width direction. The outer portion 32 </ b> A in the vehicle width direction can be easily deployed, and the deployment performance of the airbag body 16 can be improved. Moreover, when the upper portion of the C pillar garnish 38 moves by a predetermined amount in the same direction (the direction of arrow C in FIGS. 1 and 2),
Since the head 44A of the pin 44 and the peripheral edges of the small diameter holes 40B and 42B of the mounting holes 40 and 42 of the pillar inner panel 18 are engaged, the C pillar garnish 38 can be prevented from falling off.

In this embodiment, since the clip 50 is provided separately from the pin 44, if the clip 50 is damaged, only the clip 50 needs to be replaced, which is economical.

In the present embodiment, as shown in FIG. 6, a thin integral hinge 54 is formed at a portion of the clip 50 facing the V groove 52, so that the pin 44 is When the clip 50 is fitted from a right angle direction (the direction of the arrow A in FIG. 4) and the clip 50 is arranged coaxially with the pin 44, the V groove 5 of the clip 50
When the pin 44 is inserted into the
The V-groove 52 of the clip 50 can be easily expanded in diameter by the integral hinge 54 formed at a portion opposed to. As a result, the clip 50 can be easily attached to the pin 44. Further, the clip 50 can be easily removed from the pin 44.

In this embodiment, the pin 44 is
In the case where the clip 50 is fitted from the direction perpendicular to the axis 4 and the clip 50 is arranged coaxially with the pin 44, the V groove 5 of the clip 50 is
The positioning groove 56 formed in a portion facing the rib 4
6B. As a result, the clip 50 can be accurately assembled at a predetermined position of the C pillar garnish 38.

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. For example, the upper part 38D of the C pillar garnish 38 shown by the three-dot chain line in FIG. 3 is formed by two-layer molding of a soft material such as TPO and a hard material such as a material obtained by alloying a crystalline olefin elastomer and a polypropylene resin. It is good also as a structure reinforced by inserting a net of nylon or the like.

[0040]

According to the first aspect of the present invention, the deployment space of the airbag body in the pillar garnish and the ceiling material can be expanded, the deployment performance of the airbag body can be improved, and the vibration of the pillar garnish can be suppressed. Has excellent effects.

The present invention described in claim 2 has an excellent effect that the clip can be easily attached to and detached from the pin in addition to the effect described in claim 1.

The present invention described in claim 3 has an excellent effect that the clip can be accurately assembled at a predetermined position in addition to the effect described in claim 1.

[Brief description of the drawings]

FIG. 1 is an enlarged sectional view taken along line 1-1 of FIG.

FIG. 2 is an enlarged sectional view taken along line 2-2 of FIG.

FIG. 3 is a side view showing a main part of a pillar garnish mounting structure in a vehicle equipped with a head protection airbag device according to an embodiment of the present invention.

FIG. 4 is a perspective view showing pins of a pillar garnish attachment structure in a vehicle equipped with a head protection airbag device according to an embodiment of the present invention.

FIG. 5 is a perspective view showing a clip of a pillar garnish attachment structure in a vehicle equipped with a head protection airbag device according to an embodiment of the present invention.

FIG. 6 is a plan view showing a clip of a pillar garnish attachment structure in a vehicle equipped with a head protection airbag device according to an embodiment of the present invention.

FIG. 7 is a schematic side view showing a completed deployment state of an airbag body in a vehicle equipped with a conventional head protection airbag device.

[Explanation of symbols]

 Reference Signs List 10 head protection airbag device 14 inflator 16 airbag bag body 16A main body of airbag bag body 18 quarter inner panel (pillar inner panel) 22 gas introduction path of airbag bag body 24 roof side rail inner panel 32 roof head lining (Ceiling material) 40 Engagement hole 40A Large diameter hole of engagement hole 40B Small diameter hole of engagement hole 42 Engagement hole 42A Large diameter hole of engagement hole 42B Small diameter hole of engagement hole 44 pin 44A pin 46B Resin coating 46A End surface of resin coating (boss end surface) 46B Rib (positioning projection) 50 Clip 50C Elastic piece inside clip 50C Elastic piece outside clip 50D Elastic piece 52 outside clip V groove 54 Clip integra Le hinge 56 Clip positioning groove

 ────────────────────────────────────────────────── ─── Continuing from the front page (72) Inventor Kentaro Iwanaga 2-13-4, Minamieki, Nakamura-ku, Nagoya-shi, Aichi F-term in INNOAC CORPORATION (reference) 3D023 BA01 BA07 BB09 BC01 BD08 BE06 BE36 3D054 AA06 AA07 AA16 AA18 AA20 BB24 BB30 CC04 DD13 EE16 EE20 FF17 3J001 AA02 CA01 DC04 DE06 EA00

Claims (3)

[Claims] 1. A pillar garnish mounting structure for a vehicle equipped with a head protection airbag device having a roof side rail and an airbag bag that deploys in a curtain shape along the pillar, wherein the pillar garnish has a head at a tip end. A keyhole-shaped engagement formed at an upper portion of the pillar inner panel, comprising an integrally provided pin, a large-diameter hole through which the head of the pin can be inserted, and a small-diameter hole through which the head of the pin can engage. A hole, and a separate clip fitted to the pin from a direction perpendicular to the axis of the pin and arranged coaxially with the pin, wherein the clip has a V groove for fitting the pin, and a periphery of the mounting hole. A vehicle interior side elastic piece abutting on the vehicle interior side surface, and a vehicle interior exterior elastic piece abutting on the vehicle exterior side surface of the mounting hole peripheral edge, wherein the pillar garnish receives a load of a predetermined value or more toward the vehicle interior. When the pillar garnish is used in the same direction as the pillar garnish moves in the same direction, the elastic portion of the clip on the vehicle exterior side is deformed to release the abutting relationship with the periphery of the mounting hole, and the head of the pin is moved to the periphery of the mounting hole. A pillar garnish mounting structure for a vehicle equipped with a head protection airbag device, wherein the pillar garnish mounting structure is engaged with the vehicle. 2. A portion of the clip facing the V groove,
2. The pillar garnish mounting structure according to claim 1, wherein an integral hinge having a reduced thickness is formed. 3. A portion of the clip facing the V groove,
2. The pillar garnish mounting structure according to claim 1, wherein a positioning groove engageable with a positioning projection provided on a boss end surface of the pillar garnish is formed.