JP2010137753A - Interior material structure of vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an interior material structure of a vehicle capable of preventing the breakage of a pillar trim during the deployment of a curtain air bag disposed at the vehicle inner side in a folded state from a roof side of a vehicle body along a front pillar. <P>SOLUTION: A surrounding member 40 surrounding the curtain air bag 21 in a folded state with a roof side 5 and a front pillar 6 is disposed at a part X adjacent to a front pillar trim 12 and a top ceiling 11. The surrounding member 40 is constituted to guide the deployment of the curtain air bag 21 by fixing an edge 40a of the curtain air bag 21 at a side opposite to a deployment direction to the front pillar 6. An edge 40c at the deployment direction side is formed adjacent to a rear edge 12a of the front pillar trim 12 to restrain the deformation of the rear edge 12a of the front pillar trim 12 during the deployment of the curtain air bag 21. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a vehicle interior material structure having a curtain airbag device, and belongs to the technical field of vehicle interiors.

  In recent years, in vehicles, in addition to an airbag for protecting an occupant from an impact load from the front, a curtain airbag for protecting the occupant from an impact load from the side is sometimes provided. This curtain airbag is disposed in a folded state from the roof side portion of the vehicle body along the front pillar portion to the inside of the vehicle, and is inflated by supplying gas from the inflator when an impact load is applied to the vehicle body from the side. And it is comprised so that it may expand | deploy along a wind glass or the inner surface of a pillar.

  Here, on the vehicle interior side of the curtain airbag unit, a top sealing that covers the roof side portion and the roof panel, and a front pillar trim that covers the front pillar portion are generally provided.In this case, the curtain airbag is By the expansion pressure, the side edge portion of the top sealing and the rear edge portion of the front pillar trim continuous to the side edge portion are expanded and developed.

  By the way, in order to exhibit the desired performance of the curtain airbag, it is necessary to reliably deploy the airbag along the inner surface of the window glass and the pillar, and Patent Document 1 guides the deployment of the curtain airbag. It is disclosed that a guide member is provided.

JP 2002-225658 A

  By the way, in general, while the top sealing is made of a soft resin or the like, the pillar trim is made of a relatively hard resin. Due to this, when the curtain airbag is deployed, the top sealing and the pillar trim are There is a possibility that the following problem may occur in the adjacent portion of the. In other words, since the top sealing is soft, when the curtain airbag is deployed, the side edge portion is easily deformed so as to be greatly expanded downward by the deployment pressure. At this time, the adjacent portion between the pillar trim and the top ceiling is deformed. However, although the pillar trim is also hard, the trailing edge is greatly expanded like the top ceiling due to the momentum of the expansion, and as a result, the upper side of the pillar trim may be damaged and scattered.

  Then, this invention makes it a subject to provide the interior material structure of the vehicle which can deploy a curtain airbag favorably and can prevent the damage of a pillar trim at the time of deployment of a curtain airbag.

  In order to solve the above-described problems, the present invention is configured as follows.

  First, the invention according to claim 1 of the present application is a curtain airbag that is folded in the vehicle interior along the front pillar portion from the roof side portion of the vehicle body, and the roof side portion. A top sealing covering the curtain airbag, and a front pillar trim disposed on the front pillar portion and covering the curtain airbag, the upper end of the front pillar trim being provided adjacent to the top sealing. In addition, the curtain airbag is a vehicle interior material structure configured to expand and deploy a side edge of the top ceiling and a rear edge of a front pillar trim continuous to the side edge. The folded curtain airbag is attached to the front pillar trim and the top sealing at the adjacent portion. An enclosure member is provided that surrounds the fside portion and the front pillar portion, and the enclosure member has an edge on the opposite side of the deployment direction of the curtain airbag between the roof side portion and the front pillar portion. It is fixed to at least one and is configured to guide the deployment of the curtain airbag, and the edge on the deployment direction side suppresses the deformation of the rear edge of the front pillar trim when the curtain airbag is deployed. It is characterized in that it is provided close to the rear edge of the front pillar trim as possible.

  According to a second aspect of the present invention, in the interior material structure for a vehicle according to the first aspect, the front pillar trim is superimposed on the top ceiling from the inside of the vehicle in an adjacent portion between the front pillar trim and the top ceiling. In addition, the surrounding member is provided with a first protrusion that protrudes toward the front pillar trim and presses the top ceiling against the front pillar trim at a portion adjacent to the top ceiling and the front pillar trim.

  According to a third aspect of the present invention, in the vehicle interior material structure according to the second aspect, the first projecting portion is configured to be deformed when a predetermined load or more is applied. It is characterized by.

  According to a fourth aspect of the present invention, in the vehicle interior material structure according to the third aspect, the surrounding member protrudes so as to be close to the front pillar trim in a portion other than the overlapping portion of the adjacent portion, And the 2nd protrusion part which deform | transforms when the load more than predetermined from the vehicle inner side acts is provided.

  According to a fifth aspect of the present invention, in the vehicle interior material structure according to the fourth aspect, when the front pillar trim projects toward the surrounding member and a predetermined load or more is applied from the vehicle interior side. A projecting portion that is deformed is provided.

  According to a sixth aspect of the present invention, in the interior material structure for a vehicle according to the fifth aspect, the first and second projecting portions of the surrounding member and the projecting portion of the front pillar trim are arranged in a curtain airbag. The ribs are provided so as to be substantially orthogonal to the installation direction, and a plurality of at least one protrusions are provided.

  The invention according to claim 7 is the vehicle interior material structure according to any one of claims 1 to 6, wherein the surrounding member is rearward along the roof side portion from the adjacent portion. The edge portion on the development direction side is formed so as to be farther from the roof side portion toward the rear side in the extension portion.

  Next, the effect of the present invention will be described.

  According to the first aspect of the present invention, the surrounding member that surrounds the folded curtain airbag with the roof side portion and the front pillar portion is disposed adjacent to the front pillar trim and the top ceiling. In addition, the surrounding member can guide the deployment of the curtain airbag by fixing the edge portion on the opposite side to the deployment direction of the curtain airbag to at least one of the roof side portion and the front pillar portion. Thus, the curtain airbag is deployed in a predetermined direction. That is, the deployability of the curtain airbag is good.

  The surrounding member is provided close to the rear edge portion of the front pillar trim so that the edge portion on the deployment direction side can suppress deformation of the rear edge portion of the front pillar trim when the curtain airbag is deployed. Therefore, when the curtain airbag is deployed, the rear edge portion of the front pillar trim and the edge portion on the deployment direction side of the surrounding member must be simultaneously spread, and as a result, the front pillar trim is attached to the curtain airbag. It will be prevented from being greatly pushed downward by the momentum of deployment. That is, the adjacent portion in the pillar trim is prevented from being damaged and scattered.

  By the way, in the adjacent part of the front pillar trim and the top ceiling, the front pillar trim may be superimposed on the top ceiling from the inside of the vehicle, but there is a gap between the front pillar trim and the top ceiling in the overlapping direction. As a result, appearance may be impaired.

  However, according to the invention described in claim 2, the surrounding member is provided with a first protrusion that protrudes toward the front pillar trim and presses the top ceiling against the front pillar trim at an adjacent portion between the top ceiling and the front pillar trim. Therefore, the gap is not generated and a good appearance can be obtained. Moreover, this effect can be achieved by utilizing the surrounding member.

  By the way, it is a short time for the airbag to maintain the deployed state, and there is a possibility that the occupant may come into contact with a highly rigid part such as a joint between the front pillar and the roof side rail due to a subsequent impact or the like. Is desired.

  Therefore, in the invention described in claim 3, the first projecting portion is configured to be deformed when a load of a predetermined level or more is applied. It is possible to absorb the impact when it is in contact with the vicinity of the portion.

  According to the invention of claim 4, when the surrounding member protrudes so as to be close to the front pillar trim at a portion other than the overlapping portion of the adjacent portion, and a predetermined load or more is applied from the inside of the vehicle. Since the second projecting portion that is deformed to the right is provided, the impact absorption when the second projecting portion abuts on the vicinity of the adjacent portion due to a passenger-side crash or the like can be performed more favorably with the first projecting portion.

  According to the fifth aspect of the present invention, since the front pillar trim is provided with a protruding portion that protrudes toward the surrounding member and deforms when a predetermined load or more is applied from the inside of the vehicle, an occupant is provided. It is possible to satisfactorily absorb the impact when is in contact with the front pillar. In addition, in the vicinity of the adjacent portion, the first and second projecting portions of the surrounding member can absorb the shock better.

  According to a sixth aspect of the present invention, the first and second projecting portions of the surrounding member and the projecting portion of the front pillar trim are provided so as to be substantially orthogonal to the direction in which the curtain airbag is disposed. Since at least any one of the projecting portions is provided, the impact absorbing performance can be further improved while improving the rigidity of the surrounding member and the front pillar trim.

  By the way, if the surrounding member is present, there is a difference in deployability of the curtain airbag between the portion where the surrounding member is present and the portion above the surrounding member, and the curtain airbag is formed at the upper end of the surrounding member. There is a risk of being caught during the deployment.

  However, according to the invention described in claim 7, the surrounding member extends a predetermined amount rearward from the adjacent portion along the roof side portion, and the edge on the deployment direction side is the extended portion. In this case, since the rear side is formed so as to be separated from the roof side portion, the deployability of the curtain airbag changes gently between the portion where the surrounding member is present and the portion behind it. As a result, on the roof side portion side of the surrounding member, it is prevented that the curtain airbag is caught when deployed.

  Hereinafter, a vehicle interior material structure according to an embodiment of the present invention will be described.

  FIG. 1 is a schematic side view of the interior of a vehicle 1 to which the vehicle interior material structure according to the first embodiment of the present invention is applied. As shown in FIG. 1, a front seat 2 and a rear seat 3 are disposed in the vehicle 1. In addition, an opening 4 that is opened and closed by a front door FD and a rear door RD is provided on the vehicle body side surface of the vehicle 1, and the roof side rail 5 that constitutes the upper end of the opening 4 has A front pillar 6 and a rear pillar 7 are provided continuously to the rail 5.

  Further, the vehicle 1 includes, as interior materials for the passenger compartment, a top sealing 11 that covers the roof panel 8 and the roof side rail 5 from the inside of the vehicle, and a front pillar trim 12 and a rear pillar trim 13 that cover the front pillar 6 and the rear pillar 7 from the inside of the vehicle. And are provided.

  In addition to the airbag unit (not shown) for protecting the occupant of the front seat 2 from the impact load from the front, the vehicle 1 also protects the occupants of the seats 2 and 3 from the impact load from the side. A curtain airbag unit 20 for protection is disposed in a state of being covered from the vehicle inner side by the front pillar trim 12, the top sealing 11, and the rear pillar trim 13.

  As shown in FIG. 2, the curtain airbag unit 20 includes a curtain airbag 21 (see FIGS. 1 and 2) disposed on the vehicle interior along the front pillar 6, the roof side rail 5, and the rear pillar 7. The airbag 21 in the deployed state is indicated by a two-dot chain line). The curtain airbag 21 is fixed to a cloth bag-shaped main body portion 21a, a cloth-shaped tether portion 21b extending forward from a front end portion of the main body portion 21a, the front pillar 6, the roof side rail 5, and the rear pillar 7. 21c ... 21c for carrying out, and it is arrange | positioned by the state folded by rod shape. The curtain airbag unit 20 is provided at the rear end of the curtain airbag 21 and detects an inflator 22 that supplies gas for inflating and deploying to the bag 21 and a side collision (for example, impact from the side). Load detection) and / or a control device (not shown) that predicts and outputs an initiation signal to the inflator 22, and outputs a initiation signal from the control device to the inflator 22 when a side collision is detected or predicted. Then, gas is generated in the inflator 22, and this gas is supplied from the rear end portion of the main body portion 21 a of the curtain airbag 21, whereby the main body portion 21 a is inflated from the rear side, and the front pillar trim 12 The rear door 12a, the side edge 11a of the top ceiling 11, and the front edge 13a of the rear pillar trim 13 are spread out, and the front door is opened from the gap. It is adapted to deploy into the passenger compartment along the inner surface of the D and rear door RD.

  Next, the details of the structure in the vicinity of the connecting portion between the front pillar 6 and the roof side rail 5 indicated by the arrow A in FIG. 1 will be described with reference to FIGS. 3 is an enlarged view of an arrow A portion in FIG. 1, FIG. 4 is a sectional view taken along line BB in FIG. 3, FIG. 5 is an enlarged sectional view taken along line CC in FIG. 7 is a view taken in the direction of arrow E in FIG. In the present embodiment, the front pillar 6 and the roof side rail 5 are continuously formed of the same member by being smoothly curved. That is, as shown in FIG. 4 to FIG. 7, the inner panel 31 constituting the inner surface of the vehicle, the outer panel 32 constituting the outer surface of the vehicle, and the reinforcement 33 provided therebetween are hollow. It is structured as a body.

  Further, as shown in FIGS. 4 to 6, a weather strip 34 for sealing a gap with the front door FD is attached to the joint flange portions 5r and 6r on the lower side of the roof side rail 5 and the rear side of the front pillar 6. It has been.

  As shown in FIGS. 4 and 5, the side end portion of the front window glass 35 is attached to the front side joining flange portion 6 f of the front pillar 6 via a seal 36. As shown in FIG. 6, in the portion constituting the roof side rail 5, the side end portion of the roof panel 8 is joined to the joint flange 5 f on the upper side.

  As shown in FIGS. 3 to 6, the curtain airbag 21 is arranged close to the rear side of the front pillar and the lower side of the roof side rail 5.

  Further, as shown in FIG. 4, the top ceiling 11 is arranged such that the side edge portion 11a side is spaced from the inner panel 31 of the roof side rail 5 by a predetermined amount in the vehicle width direction, and the front header of the roof Etc. are fixed by clips. The top sealing 11 is curved toward the lower joint flange 5r side in the vicinity of the side edge portion 11a, and the side edge portion 11a is supported by the inner edge portion 34a of the weather strip 34.

  As shown in FIGS. 5 and 6, the front pillar trim 12 is provided so that the upper end portion is adjacent to the top ceiling 11 and is located in the vehicle width direction with respect to the inner panel 31 of the front pillar 6. Clips 12x that are arranged at fixed intervals and project from the front pillar 6 on the lower and upper sides of the front pillar 6 are inserted into holes formed in the inner panel 31 and the reinforcement 33, respectively. By doing so, it is locked to the front pillar 6. The front pillar trim 12 is curved toward the rear flange flange 6r in the vicinity of the rear edge portion 12a, and the inner edge portion 34a of the weather strip 34 is superimposed on the rear edge portion 12a from the vehicle inner side.

  As shown in FIGS. 3 and 6, in the adjacent portion X between the front pillar trim and the top ceiling, the front pillar trim 12 is overlapped with the top ceiling 11 from the vehicle interior side.

  Here, in the present embodiment, as shown in FIGS. 3 and 7, a folded curtain airbag 21 is attached to the adjacent portion X of the front pillar trim 12 and the top ceiling 11, as well as the roof side rail 5 and the front pillar. 6 is disposed.

  Moreover, this surrounding member 40 is made into the substantially U shape which the front pillar 5 side opens as shown in FIGS. A mounting portion 40b is provided on the side of the edge portion 40a opposite to the deployment direction α of the curtain airbag 21, and the mounting portion 40b is fixed to the inner panel 31 with bolts 41 and nuts 42. The nut 42 is a weld nut fixed to the inner panel 31. On the other hand, the edge 40c on the development direction side is provided in the vicinity of the rear edge 12a of the front pillar trim 12 and the side edge 11a of the top seal 11.

  As shown in FIGS. 3, 6, and 7, the surrounding member 40 protrudes toward the front pillar trim 12 at the adjacent portion X between the top sealing 11 and the front pillar trim 12, and the top sealing 11 is projected to the front pillar trim 12. A first protrusion 40d that presses against the first projection 40d is provided. The first projecting portion 40d has a rib shape provided substantially orthogonal to the direction in which the curtain airbag 21 is disposed, and is configured to be deformed (collapsed) when a predetermined load or more is applied. (For example, when the occupant comes into contact with the front pillar trim 12 due to a side collision or the like, it is deformed (collapsed).

  Further, the surrounding member 40 is provided with a second projecting portion 40e that projects so as to be close to the front pillar trim 12 at a portion other than the overlapping portion below (frontward) the adjacent portion X. The second projecting portion 40d has a rib shape provided substantially orthogonal to the direction in which the curtain airbag 21 is disposed, and is configured to be deformed (collapsed) when a predetermined load or more is applied.

  The surrounding member 40 extends rearward from the adjacent portion X along the roof side portion 5 by a predetermined amount (extension portion 40g). The extension portion 40g protrudes to the vehicle interior side, and the top sealing 11 is provided. A third projecting portion 40f that is pressed against the inside of the vehicle is provided. The third projecting portion 40f has a rib shape provided substantially orthogonal to the direction in which the curtain airbag 21 is disposed, and is configured to deform (crush) when a predetermined load or more is applied.

  Further, the front pillar trim 12 is provided with a plurality of projecting portions 12b... 12b projecting to the surrounding member 40 side. These projecting portions 12b... 12b are formed in a rib shape provided substantially orthogonal to the direction in which the curtain airbag 21 is disposed, and are configured to be deformed (collapsed) when a predetermined load or more is applied. .

  Further, as shown by an arrow Y in FIG. 7, the edge portion 40c on the deployment direction side of the extending portion 40d of the surrounding member 40 is continuously retracted so that the rear side is located on the inner side in the vehicle width direction.

  The surrounding member 40 is provided with the first to third projecting portions 40d, 40e, 40f,... 40 as described above, so that the rigidity of the main body portion 40 ′ other than the mounting portion 40b is relatively high. As a result, when the deployment pressure of the curtain airbag 21 is applied, as shown by the arrow γ in FIG. 8, the main body 40 ′ rotates clockwise around the bent portion 40x between the edge 40a and the mounting portion 40b. A predetermined amount is rotated in the direction. Moreover, when it rotates in this way, the edge part 40c by the side of the expansion | deployment direction of the surrounding member 40 orients a little back rather than the rear edge of the front pillar 6 so that FIG. 8 may show. Therefore, the curtain airbag 21 is guided in the direction of the direction by the edge 40c on the deployment direction side, hits the inner surface of the front door FD, and then deployed in the arrow α direction along the inner surface of the door FD. Become.

  Next, functions and effects of the vehicle interior structure according to the present embodiment will be described.

  First, when a side collision is detected or predicted, gas is generated in the inflator 22, and this gas is supplied from the rear end portion of the main body portion 21a of the curtain airbag 21, thereby the main body portion 21a from the rear side. The front pillar trim 12, the rear edge portion 12a of the front pillar trim 12, the side edge portion 11a of the top sealing 11, and the front edge portion 13a of the rear pillar trim 13 are pushed and spread along the inner surfaces of the front door FD and the rear door RD. Will be deployed in the passenger compartment.

  In that case, an enclosing member 40 that surrounds the folded curtain airbag 21 with the roof side rail 5 and the front pillar 6 is disposed in the adjacent portion X between the front pillar trim 12 and the top ceiling 11. The surrounding member 40 is configured such that the edge 40a opposite to the deployment direction of the curtain airbag 21 is fixed to the front pillar 6 so that the deployment of the curtain airbag 21 can be guided. The bag 21 will unfold in the planned direction. That is, the deployability of the curtain airbag 21 is good. The surrounding member 40 may be fixed to the roof side rail 5 or may be fixed to both the front pillar 6 and the roof side rail 5.

  Further, the surrounding member 40 has a rear edge portion of the front pillar trim 12 so that the edge portion 40c on the deployment direction side can suppress deformation of the rear edge portion 12a of the front pillar trim 12 when the curtain airbag 21 is deployed. 12a, when the curtain airbag 21 is deployed, the rear edge portion 12a of the front pillar trim 12 and the deployment portion side edge portion 40c of the surrounding member 40 must be simultaneously spread, As a result, the front pillar trim 12 is prevented from being greatly expanded downward as indicated by a one-dot chain line in FIG. That is, the adjacent portion X portion in the pillar trim 12 is prevented from being damaged and scattered.

  Further, in the present embodiment, the front pillar trim 12 is superimposed on the top sealing 11 from the vehicle interior side at the adjacent portion X of the front pillar trim 12 and the top sealing 11. Since the first protrusion 40d that protrudes toward the pillar trim 12 and presses the top sealing 11 against the front pillar trim 12 is provided at the adjacent portion X between the top sealing 11 and the front pillar trim 12, the top sealing 11 and the front pillar trim 12 There is no gap in the overlapped portion, and a good appearance can be obtained. In addition, this effect can be achieved using the surrounding member 40. In the present embodiment, there are also provided third projecting portions 40f... 40f that press the top ceiling 11 toward the vehicle interior, thereby further improving the effect.

  By the way, it is a short time that the curtain airbag 21 is maintained in the deployed state, and there is a possibility that the occupant may come into contact with a highly rigid portion such as a joint between the front pillar 6 and the roof side rail 5 due to a subsequent impact or the like. Measures against this are desired.

  Therefore, in the present embodiment, the first projecting portion 40d is configured to be deformed when a predetermined load or more is applied. According to this, the occupant is in the vicinity of the adjacent portion X due to a side collision or the like. It is possible to absorb the shock when it comes into contact.

  In addition to this, the surrounding member 40 protrudes so as to be close to the front pillar trim 12 at a portion other than the overlapping portion of the adjacent portion X, and is deformed when a predetermined load or more is applied from the inside of the vehicle. Since the second protrusion 40e is provided, it is possible to better absorb the shock when the first protrusion 40d is in contact with the vicinity of the adjacent portion X due to a passenger-side collision or the like.

  Further, the front pillar trim 12 is provided with projecting portions 12b... 12b that project toward the surrounding member 40 and deform when a predetermined load or more is applied from the inside of the vehicle. The shock absorption at the time can be satisfactorily performed. Further, in the vicinity of the adjacent portion X, the first and second projecting portions 40d and 40e of the surrounding member 40 can absorb the shock better.

  Further, the first and second projecting portions 40d and 40e of the surrounding member 40 and the projecting portions 12b... 12b of the front pillar trim 12 are formed in a rib shape provided substantially orthogonal to the direction in which the curtain airbag 21 is disposed. In addition, since a plurality of protrusions 12b... 12b are provided, the shock absorbing performance can be further improved while improving the rigidity of the surrounding member 40 and the front pillar trim 12.

  The surrounding member 40 extends a predetermined amount rearward from the adjacent portion X along the roof side rail 5, and the edge 40 c on the deployment direction side of the extending portion 40 g is closer to the roof side toward the rear side. Since it is formed so as to be separated from the rail 5, the deployability of the curtain airbag 21 changes gently in the portion where the surrounding member 40 exists and the portion behind it, and as a result, On the roof side rail 5 side of the surrounding member 40, the occurrence of catching when the curtain airbag 21 is deployed is prevented.

  Next, a second embodiment will be described.

  In the second embodiment, as shown in FIG. 9, the structure of the clip 12x ′ of the front pillar trim 12 ′ is different from that of the first embodiment. Other structures are the same as those in the first embodiment. The clip 12x ′ includes a trim side engaging portion 12x1 ′ formed to protrude from the front pillar trim 12 ′ to the front pillar side, and a pillar side engaging member 12x2 fixed to the inner panel 31 and the reinforcement 33 of the front pillar 6. ', And the trim side engaging portion 12x1' is engaged by being inserted into the pillar side engaging member 12x2 '. In this locked state, the trim side engaging portion 12x1 'is in a state where an extra length is left on the tip side. When the airbag 21 is deployed, if a force in a direction away from the front pillar 6 is applied to the front pillar trim 12 ', the engagement between the trim side engaging portion 12x1' and the pillar side engaging member 12x2 'is released, and the trim The front pillar trim 12 'is configured to be movable away from the front pillar 6 as indicated by an arrow β until the key part at the tip of the side engaging part 12x1' contacts the pillar side engaging member 12x2 '. Yes.

  According to the second embodiment, when the enclosure member 40 is deformed to the front pillar trim 6 'side as in the first embodiment when the curtain airbag 21 is deployed, the rib 40e of the enclosure member 40 ( (Although not shown), a force in a direction away from the front pillar 6 is applied to the front pillar trim 12 '. As a result, the trim 12' moves as indicated by the arrow β, and the front pillar 6 The distance from the rear edge portion 12a 'of the front pillar trim 12' is increased. Therefore, the deformation amount of the rear edge portion 12a ′ of the front pillar trim 12 ′ is suppressed more than in the first embodiment. That is, the breakage of the rear edge portion 12a 'of the front pillar trim 12' can be more effectively suppressed.

  In the first and second embodiments, the front pillar trim 12 is superimposed on the top ceiling 11 from the vehicle interior side in the adjacent portion X between the front pillar trim 12 and the top ceiling 11. The case where the adjacent portion of 1 is not overlapped and only the edge is in contact is included.

  According to the present invention, it is possible to provide a vehicle interior material structure that can satisfactorily deploy a curtain airbag and prevent damage to the pillar trim when the curtain airbag is deployed. Widely available.

1 is a schematic side view of an interior of a vehicle to which an interior material structure for a vehicle according to a first embodiment of the present invention is applied. It is a single side part of a curtain airbag. It is an enlarged view of the arrow A part of FIG. It is BB sectional drawing of FIG. It is CC sectional drawing of FIG. It is DD sectional drawing of FIG. FIG. 4 is a view as viewed from an arrow E in FIG. 3. FIG. 5 is a view corresponding to FIG. 4 in an airbag deployment state. FIG. 6 is a diagram corresponding to FIG. 5 in the second embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vehicle 5 Roof side part 6 Front pillar part 11 Top sealing 11a Side edge part 12 Front pillar trim 12a Rear edge part 12b Protrusion part 21 Curtain airbag 40 Enclosure member 40a Edge part (edge part on the opposite side to a deployment direction)
40c Edge (edge on the development direction side)
40d 1st protrusion part 40e 2nd protrusion part 40g Extension part X Adjacent part of front pillar trim and top sealing

Claims (7)

A curtain airbag disposed in a folded state along the front pillar portion from the roof side portion of the vehicle body; a top sealing disposed on the roof side portion and covering the curtain airbag; and the front A front pillar trim disposed on the pillar portion and covering the curtain airbag, the upper end of the front pillar trim being provided adjacent to the top sealing, and the curtain airbag comprising the top airbag A vehicle interior material structure configured to expand and expand a side edge of a ceiling and a rear edge of a front pillar trim continuous to the side edge,
An enclosing member that surrounds the folded curtain airbag with the roof side portion and the front pillar portion is disposed adjacent to the front pillar trim and the top ceiling.
The surrounding member is configured such that an edge of the curtain airbag opposite to the deployment direction is fixed to at least one of the roof side portion and the front pillar portion to guide the deployment of the curtain airbag. In addition, the edge on the deployment direction side is provided close to the rear edge of the front pillar trim so that deformation of the rear edge of the front pillar trim during deployment of the curtain airbag can be suppressed. A vehicle interior material structure characterized by that. In the vehicle interior material structure according to claim 1,
In the adjacent part of the front pillar trim and the top ceiling, the front pillar trim is superimposed on the top ceiling from the inside of the vehicle,
An interior material structure for a vehicle, wherein the surrounding member is provided with a first projecting portion that projects toward the front pillar trim and presses the top ceiling against the front pillar trim at an adjacent portion between the top ceiling and the front pillar trim. In the vehicle interior material structure according to claim 2,
The interior material structure of a vehicle, wherein the first protrusion is configured to be deformed when a predetermined load or more is applied. In the vehicle interior material structure according to claim 3,
The surrounding member is provided with a second protrusion that protrudes so as to be close to the front pillar trim at a portion other than the overlapping portion of the adjacent portion and deforms when a predetermined load or more is applied from the vehicle interior side. A vehicle interior material structure characterized by The vehicle interior material structure according to claim 4,
An interior material structure for a vehicle, wherein the front pillar trim is provided with a protruding portion that protrudes toward the surrounding member and deforms when a predetermined load or more is applied from the inside of the vehicle. The vehicle interior material structure according to claim 5,
The first and second projecting portions of the surrounding member and the projecting portion of the front pillar trim are formed in a rib shape substantially orthogonal to the direction in which the curtain airbag is disposed, and at least one of the projecting portions An interior material structure of a vehicle, wherein a plurality of are provided. The vehicle interior material structure according to any one of claims 1 to 6, wherein:
The surrounding member extends a predetermined amount rearward from the adjacent portion along the roof side portion, and
The vehicle interior material structure characterized in that the edge portion on the deployment direction side is formed so as to be separated from the roof side portion toward the rear side in the extended portion.

Images