JP2008132940A - Inside structure of cabin - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To restrict a rise of a deforming load to be applied to interior materials of a cabin by forming the top surface of an arm rest lower into the structure easy to be deformed, while restricting deterioration of rigidity in normal use. <P>SOLUTION: In the case wherein an arm rest 30 is moved widthwise outside relative to a slide bracket 50, a horizontal wall part 30A abuts on an inclined wall part 50A of the slide bracket 50, and further, the horizontal wall part 30A is moved widthwise outside, an angle α1 of a widthwise outside weak part 42 formed thin and an angle α2 of a widthwise inside weak part 48 formed thin get larger respectively, and the horizontal wall part 30A is moved from a horizontal position to an inclined position obliquely upward widthwise outside along the inclined wall part 50A of the slide bracket 50. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a vehicle interior side structure such as an automobile, and more particularly to a vehicle interior side structure to which a vehicle interior material is attached.

2. Description of the Related Art Conventionally, a vehicle interior side structure to which a vehicle interior material is attached is known (see, for example, Patent Document 1). In this technology, ribs are provided on the upper surface of the armrest lower that is fixed to the door trim body and the inner surface of the arm restorer that is supported and fixed to the armrest lower. By setting it to an inclined surface that rises as it goes to the far side, the rib slides along the inclined surface at the time of a side collision, and the arm restorer falls off the armrest lower and the impact load is reduced to the armrest lower. It absorbs by bending deformation and breakage as a single unit to enhance the shock absorbing function.
JP 2002-46520 A

  However, in the technique of Patent Document 1, in order to suppress an increase in deformation load on the upper surface of the armrest lower remaining in the door trim body, the upper surface of the armrest lower itself is easily deformed while suppressing a decrease in rigidity during normal use. It is necessary to.

  In view of the above facts, an object of the present invention is to provide a vehicle interior side structure that can suppress an increase in deformation load of the vehicle interior material.

  According to the first aspect of the present invention, the vehicle interior side portion structure is provided along the vehicle interior / exterior direction, and the vehicle interior / exterior corner and vehicle interior side are bent in opposite directions to the vehicle interior / exterior portion and the vehicle interior / side portion. A wall portion provided with a corner portion, and bending of the outer corner portion of the vehicle compartment when a load is applied to the wall portion from the vehicle interior side toward the vehicle compartment outer side. The vehicle is formed when a load is applied to the wall portion from the vehicle interior side toward the vehicle exterior side, formed at the vehicle width direction outer fragile portion that deforms so that the corner becomes larger, and the wall portion on the vehicle interior side corner portion. A vehicle interior member having a vehicle width direction inner fragile portion that is deformed so that a bending angle of an indoor side corner portion is increased, and the wall provided on a vehicle exterior side of the wall portion of the vehicle interior material, When the wall portion is relatively moved from the vehicle interior side toward the vehicle exterior side, the wall portion is inclined with respect to the load acting direction. And having a guide means for guiding the.

  A wall provided with a vehicle interior side corner and a vehicle interior side corner that is provided in the vehicle interior material along the vehicle interior / exterior direction and is bent in opposite directions to each other. When a load acts from the vehicle interior side toward the vehicle exterior side, the vehicle width direction outer fragile portion formed at the vehicle interior outer corner portion of the wall portion is deformed so that the bending angle of the vehicle interior outer corner portion is increased. At the same time, the vehicle width direction inner fragile portion formed at the vehicle interior side corner of the wall is deformed so that the bending angle of the vehicle interior side corner is increased. In addition, when the wall portion of the vehicle interior material moves from the vehicle interior side toward the vehicle exterior side relative to the guide device provided on the vehicle interior side of the wall portion of the vehicle interior material, the guide device By this, the wall portion is guided in a direction inclined with respect to the direction in which the load is applied. For this reason, the wall portion along the vehicle interior / exterior direction of the vehicle interior material is inclined with respect to the load application direction, and the wall interior material tends to fall in the load application direction. As a result, the tension of the wall portion of the vehicle interior material is eliminated, and an increase in deformation load on the wall portion of the vehicle interior material is suppressed.

  According to a second aspect of the present invention, in the vehicle interior side part structure according to the first aspect, the wall portion of the vehicle interior material is a horizontal wall portion of an armrest formed in a door trim.

  The horizontal wall portion of the armrest in the door trim is inclined with respect to the acting direction of the load, and easily falls down in the acting direction of the load. As a result, the tension of the horizontal wall portion of the armrest in the door trim is eliminated, and an increase in the deformation load of the horizontal wall portion of the armrest in the door trim is suppressed.

  According to a third aspect of the present invention, in the vehicle interior side part structure according to the second aspect of the present invention, the structure is provided at a connection portion between the guide means and the horizontal wall portion of the armrest, and the horizontal wall portion of the armrest is arranged on the vehicle upper side. It has a horizontal wall part support means for supporting from the vehicle lower side so that it can move to.

  A horizontal wall portion supporting means provided at a connecting portion between the guide means and the horizontal wall portion of the armrest supports the horizontal wall portion of the armrest from the lower side of the vehicle so as to be movable upward. For this reason, during normal use, the horizontal wall portion of the armrest is securely supported from the vehicle lower side by the horizontal wall portion supporting means, and the horizontal wall portion is directed from the vehicle interior side toward the vehicle exterior side relative to the guide means. When is moved, the horizontal wall portion of the armrest is easily inclined with respect to the direction of the load.

  According to a fourth aspect of the present invention, in the vehicle interior side part structure according to any one of the first to third aspects, when the load acts on the guide means from the vehicle interior side toward the vehicle exterior side, It has a deformation accelerating means for deforming in the acting direction of the load.

  When a load is applied to the guide means from the vehicle interior side toward the vehicle interior outside, the guide means is deformed in the direction in which the load is applied. For this reason, an increase in the deformation load of the guide means is suppressed.

  The present invention according to claim 1 can suppress an increase in deformation load of a vehicle interior material.

  The present invention according to claim 2 can suppress an increase in deformation load of the horizontal wall portion of the armrest in the door trim.

  According to the third aspect of the present invention, during normal use, the horizontal wall portion can be reliably supported from the vehicle lower side, and when a load acts from the vehicle interior side toward the vehicle exterior side, The wall portion provided along the outdoor inward direction can be easily inclined with respect to the acting direction of the load.

  The present invention according to claim 4 can suppress an increase in deformation load of the guide means.

  1st Embodiment of the vehicle interior side part structure in this invention is described according to FIGS.

  In the figure, the arrow UP indicates the vehicle upward direction, the arrow FR in the figure indicates the vehicle forward direction, and the arrow IN in the figure indicates the vehicle width inside direction.

  FIG. 5 is a side view of a vehicle compartment to which a vehicle interior side part structure according to an embodiment of the present invention is applied.

  As shown in FIG. 5, a front side door opening 14 and a rear side door opening 16 are formed on the inner side surface 12 </ b> A of the passenger compartment 12 in the vehicle 10 of the present embodiment. The front side door opening 14 can be opened and closed by a front side door 20, and the rear side door opening 16 can be opened and closed by a rear side door 22.

  A front side door trim 24 as a vehicle interior material made of a resin material is provided on the vehicle interior side portion of the front side door 20, and a vehicle interior interior made of a resin material is provided on the vehicle interior side portion of the rear side door 22. A rear side door trim 26 as a material is provided. Further, a quarter trim 28 as a vehicle interior material made of a resin material is provided at the rear portion of the inner side surface 12A of the vehicle chamber 12.

  An armrest 30 is provided along the vehicle front-rear direction at the middle portion of the front side door trim 24 in the vertical direction, and an armrest 32 is provided along the vehicle front-rear direction at the middle portion of the rear side door trim 26 in the vertical direction. .

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

  As shown in FIG. 3, the front side door 20 is composed of a metal plate material that constitutes the outer side of the door body of the front side door 20 (the outer side in the vehicle width direction when the front side door 20 is closed). The door outer panel 34 and a door inner panel 36 made of a metal plate constituting the vehicle interior side portion of the door main body (the vehicle width direction inner side portion when the front side door 20 is closed) are provided.

  The outer peripheral portion of the door outer panel 34 and the door inner panel 36 excluding the outer peripheral portion at the upper end is joined to each other by femming, and a sectional internal space 38 formed between the door outer panel 34 and the door inner panel 36 is illustrated in FIG. A door glass, a door glass elevating device and the like are omitted. Further, the front side door trim 24 is attached to the vehicle interior side portion of the door inner panel 36 by a coupling member (not shown).

  FIG. 1 shows a part of FIG. 3 in an enlarged view, and FIG. 2 shows a deformed state of FIG.

  As shown in FIG. 1, the armrest 30 provided on the front side door trim 24 is formed in a horizontal direction along the vehicle interior / exterior direction (from the vehicle interior to the vehicle interior or from the vehicle interior to the vehicle interior exterior). A horizontal wall portion 30A as a wall portion is provided. Further, the connecting portion between the outer side end 30B of the horizontal wall portion 30A and the lower end 40A of the upper wall portion 40 of the front side door trim 24, which is the outer side portion of the horizontal wall portion 30A of the armrest 30, is provided at the vehicle width. A direction outer weak portion 42 is formed. The thickness M1 of the vehicle width direction outer fragile portion 42 is thinner than the thickness M2 of the horizontal wall portion 30A of the armrest 30 and the thickness M3 of the upper wall portion 40 of the front side door trim 24. In addition, the bending angle of the vehicle width direction outer fragile portion 42 is α1, and the upper wall portion 40 of the front side door trim 24 is disposed with a predetermined interval L1 between the door inner panel 36 and the vehicle interior side surface 36A. Has been.

  On the other hand, a vehicle width direction inner fragile portion 48 is formed at the connecting portion between the vehicle interior side end 30C of the armrest 30 and the upper end 30E of the vertical wall portion 30D, which is the vehicle interior side portion of the horizontal wall portion 30A of the armrest 30. ing. The wall thickness direction inner weak part 48 is thinner than the wall thickness M2 of the horizontal wall part 30A of the armrest 30 and the wall thickness M5 of the vertical wall part 30D. In addition, the bending angle of the vehicle width direction inner fragile portion 48 is α2, and the vertical wall portion 30D of the armrest 30 is disposed with a predetermined distance L2 between the door inner panel 36 and the vehicle interior side surface 36A. Yes.

  On the outer side in the vehicle width direction of the horizontal wall portion 30A of the armrest 30, a slide bracket 50 as a guide means is provided.

  FIG. 4 is a perspective view of the slide bracket 50 as seen from the front side of the vehicle obliquely inside.

  As shown in FIG. 4, the slide bracket 50 is made of a plate material or the like formed by press molding, and has an inclined wall portion 50 </ b> A that extends from the lower side in the vehicle width direction to the upper side in the vehicle width direction.

  Therefore, when the armrest 30 moves from the horizontal position indicated by the two-dot chain line in FIG. 2 toward the outer side in the vehicle width direction, the angle α1 of the thinner vehicle width direction outer fragile portion 42 and the inner side in the vehicle width direction are reduced. The angles α2 of the fragile portions 48 are configured to increase with each other. Further, the armrest 30 moves relative to the slide bracket 50 toward the outer side in the vehicle width direction, the horizontal wall portion 30A hits the inclined wall portion 50A of the slide bracket 50, and the horizontal wall portion 30A further extends in the vehicle width direction. When trying to move toward the outside, the horizontal wall portion 30A slides along the inclined wall portion 50A toward the vehicle width outer side obliquely upward (in the direction of arrow B in FIG. 2). It moves to the inclination position shown. At this time, the angle α1 of the vehicle width direction outer fragile portion 42 and the angle α2 of the vehicle width direction inner fragile portion 48 are further increased.

  As shown in FIG. 4, a plurality of rectangular through holes 52 are formed in the inclined wall portion 50A of the slide bracket 50 at predetermined intervals in the vehicle front-rear direction.

  An upper flange 50B is formed from the upper end of the inclined wall portion 50A of the slide bracket 50 toward the upper side of the vehicle. A front wall portion 50C is formed from the front end of the inclined wall portion 50A of the slide bracket 50 toward the outside in the vehicle width direction, and the shape of the front wall portion 50C viewed from the vehicle front side is a triangle. . A through hole 54 as a deformation promoting means is formed at the center of the front wall 50C, and the front wall 50C has a triangular frame shape with a substantially constant width.

  Similarly, a rear wall portion 50D is formed from the rear end of the inclined wall portion 50A of the slide bracket 50 toward the outside in the vehicle width direction, and the shape of the rear wall portion 50D viewed from the vehicle rear side is a triangle. ing. A through hole 56 serving as a deformation promoting means is formed at the center of the rear wall 50D, and the rear wall 50D has a triangular frame shape with a substantially constant width.

  A front flange 50E is formed from the outer end in the vehicle width direction of the front wall portion 50C of the slide bracket 50 toward the front of the vehicle, and from the outer end in the vehicle width direction of the rear wall portion 50D of the slide bracket 50 from the rear of the vehicle. A rear flange 50F is formed toward the front.

  The upper flange 50B, the front flange 50E, and the rear flange 50F of the slide bracket 50 are respectively coupled to the vehicle interior side surface 36A of the door inner panel 36 by spot welding.

  Therefore, a load acts on the inclined wall portion 50A of the slide bracket 50 from the inner side in the vehicle width direction to the outer side in the vehicle width direction, and when the load exceeds a predetermined value, the front wall portion weakened by the through hole 54 50C and the rear wall portion 50D weakened by the through hole 56 are crushed as shown by a one-dot chain line in FIG. 2, so that the inclined wall portion 50A approaches the vehicle interior side surface 36A of the door inner panel 36 (see FIG. 2 in the direction of arrow A). Further, the inclined wall portion 50A itself weakened by the plurality of through holes 52 is also deformed in the load acting direction.

  As shown in FIG. 4, among the plurality of through holes 52 formed in the inclined wall portion 50A of the slide bracket 50, armrest support portions 50G as horizontal wall portion support means are provided at the lower ends of the through holes 52 at the front and rear ends. Is provided. The armrest support 50G is integrally formed with the slide bracket 50 by cutting and raising.

  The armrest support portion 50G extends toward the inner side in the vehicle width direction from the lower peripheral edge 52A of the through hole 52, and an inclined wall portion 50H inclined toward the lower side in the vehicle width direction is formed at the inner end portion (tip portion). Has been. A reinforcing bead 60 is formed in the vehicle width direction outer side (base portion) of the armrest support portion 50G along the vehicle width direction, and the cross-sectional shape of the bead 60 viewed from the vehicle width direction is the vehicle lower side. It has a convex arc shape to the side.

  As shown in FIG. 1, the vehicle interior side end 30B of the armrest 30 on the upper surface of the armrest support portion 50G, that is, the vicinity of the inclined wall portion 50H, allows the vehicle interior outer end 30B to move to the vehicle upper side. It is supported from.

  Therefore, when a load F2 is applied to the armrest 30 from the upper side of the vehicle toward the lower side of the vehicle, the load F2 is supported by the armrest support portion 50G, and the armrest 30 can be prevented from moving downward. When F2 is transmitted to the door inner panel 36 via the slide bracket 50 and the armrest 30 moves relative to the slide bracket 50 in the vehicle width outward direction, the horizontal wall portion 30A is inclined wall portion 50A. Is slid toward the vehicle width outer side obliquely upward (in the direction of arrow B in FIG. 2).

  Next, the operation of this embodiment will be described.

  When the front side door 20 moves in the vehicle width inward direction (arrow C direction in FIG. 3) and the armrest 30 hits the side surface 70A of the occupant 70 seated on the seat at the time of a vehicle side collision, as shown in FIG. A deformation load F is generated with respect to the deformation stroke S along the vehicle width direction of the horizontal wall portion 30 </ b> A of the armrest 30.

  That is, when the armrest 30 hits the side surface 70A of the occupant 70 seated on the seat and the horizontal wall portion 30A of the armrest 30 moves relative to the door inner panel 36 from the vehicle width direction inner side to the vehicle width direction outer side, the deformation occurs. As the stroke S increases, the deformation load F increases.

  At this time, in the present embodiment, the angle α1 of the vehicle width direction outer fragile portion 42 made thin and the angle α2 of the vehicle width direction inner fragile portion 48 made thin become larger with each other. The rise is not as rapid as the deformation load F shown in FIG. 6, but the rise is gentle like the deformation load F shown in FIG.

  Further, the armrest 30 moves outward in the vehicle width direction, the horizontal wall portion 30A hits the inclined wall portion 50A of the slide bracket 50 (at this time, the deformation stroke S1), and further, the horizontal wall portion 30A is outside in the vehicle width direction. In the case of moving toward the vehicle, the angle α1 of the thinned vehicle width direction outer fragile portion 42 and the angle α2 of the thinned vehicle width direction fragile portion 48 are further increased, and the horizontal wall portion 30A moves along the inclined wall portion 50A of the slide bracket 50 toward the inclined position indicated by the solid line in FIG. 2 toward the vehicle width outer side obliquely upward (in the direction of arrow B in FIG. 2) (at this time, the deformation strokes S1 to S1). S2).

  As a result, it is possible to prevent the horizontal wall portion 30A of the armrest 30 from stretching on the inner side in the vehicle width direction of the door inner panel 36. For this reason, there is no abrupt rise like the deformation load F indicated by the two-dot chain line in FIG. 6, and an increase in the deformation load of the horizontal wall portion 30A of the armrest 30 can be suppressed like the deformation load F indicated by the solid line in FIG. .

  In the present embodiment, when the horizontal wall portion 30A further moves outward in the vehicle width direction from the deformation stroke S2, the front wall portion 50C and the through hole 56 weakened by the through hole 54 in the slide bracket 50. The rear wall portion 50D weakened by the above is crushed as indicated by a one-dot chain line in FIG. 2 (at this time, deformation strokes S2 to S3). Therefore, the inclined wall portion 50A is deformed in a direction approaching the vehicle interior side surface 36A of the door inner panel 36 (the direction of arrow A in FIG. 2), and the inclined wall portion 50A itself weakened by the plurality of through holes 52 is also used. Deform.

  As a result, in this embodiment, the slide bracket 50 can be prevented from being stretched. For this reason, the increase in the deformation load of the slide bracket 50 can be suppressed as the deformation load F indicated by the solid line in FIG.

  In the present embodiment, in a normal use state, when a load F2 acts on the horizontal wall portion 30A of the armrest 30 from the vehicle upper side toward the vehicle lower side, the load F2 is supported by the armrest support portion 50G. Then, it is transmitted to the door inner panel 36 through the slide bracket 50. For this reason, the horizontal wall 30A of the armrest 30 can be reliably supported from the vehicle lower side.

  Next, 2nd Embodiment of the vehicle interior side part structure in this invention is described according to FIGS.

  In addition, the same member as 1st Embodiment attaches | subjects the same code | symbol, and abbreviate | omits the description.

  FIG. 8 is a perspective view corresponding to FIG. 4 in the present embodiment.

  As shown in FIG. 8, in this embodiment, instead of the armrest support portion 50G of the slide bracket 50 in the first embodiment, an engaging convex portion 80 as a horizontal wall portion support means is integrally formed on the armrest 30 side. Yes. A plurality of engaging projections 80 are formed at predetermined intervals in the vehicle front-rear direction.

  FIG. 7 is a cross-sectional view corresponding to FIG. 1 in the present embodiment.

  As shown in FIG. 7, the engagement convex portion 80 protrudes from the vehicle interior outer end 30B of the armrest 30 toward the vehicle width direction outer side, and the cross-sectional shape of the engagement convex portion 80 viewed from the vehicle front-rear direction is a triangle. It has a shape. Further, the lower part 80A of the engaging convex part 80 is inclined downward in the vehicle width direction from the root part (vehicle width direction inner part) 80B toward the tip part (vehicle width direction outer part) 80C, and the tip part 80C. However, it engages with the lower part 84A of the through-hole 84 inclined to the inclined wall part 50A of the slide bracket 50 from the vehicle upper side.

  FIG. 9 is an enlarged cross-sectional view taken along the line 9-9 in FIG.

  As shown in FIG. 9, the shape of the lower portion 84 </ b> A of the through-hole 84 as viewed from the inside in the vehicle width direction is a triangular shape, and the shape of the lower portion 80 </ b> A of the engaging convex portion 80 as viewed from the inner side in the vehicle width direction. It has become. Further, the lower portion 80A of the engaging convex portion 80 is engaged with the bottom portion 84B of the lower portion 84A of the through hole 84 from the vehicle upper side.

  Accordingly, during normal use, the lower portion 80A of the engaging convex portion 80 is engaged with the bottom portion 84B of the lower portion 84A of the through hole 84 formed on the inclined wall portion 50A of the slide bracket 50 from the vehicle upper side. Therefore, the slide bracket 50 can reliably support the horizontal wall portion 30A of the armrest 30 from the vehicle lower side.

  In the present embodiment, when the horizontal wall portion 30A of the armrest 30 moves relative to the slide bracket 50 from the vehicle interior side toward the vehicle exterior side, the armrest 30 is the same as in the first embodiment. The horizontal wall portion 30A is moved and inclined along the inclined wall portion 50A toward the vehicle width outer side obliquely upward (in the direction of arrow B in FIG. 7).

  Therefore, also in this embodiment, the same effect as the first embodiment can be obtained.

  Next, a third embodiment of the vehicle interior side structure according to the present invention will be described with reference to FIG.

  In addition, the same member as 1st Embodiment attaches | subjects the same code | symbol, and abbreviate | omits the description.

  FIG. 10 is a cross-sectional view corresponding to FIG. 1 in the present embodiment.

  As shown in FIG. 10, in the present embodiment, a convex portion 90 is formed on the lower surface of the horizontal wall portion 30 </ b> A of the armrest 30 so as to protrude downward from the vehicle, and the convex portion 90 is formed on the armrest support portion 50 </ b> G of the slide bracket 50. It is supported from the vehicle lower side. The convex portion 90 has a semicircular cross-sectional shape as viewed from the vehicle front-rear direction on the vehicle width direction inner side of the vehicle width direction outer fragile portion 42. In addition, when the horizontal wall portion 30A of the armrest 30 moves outward in the vehicle width direction, the convex portion 90 is obliquely upward on the vehicle width outer side along the inclined wall portion 50A of the slide bracket 50 (arrow B in FIG. 10). The horizontal wall 30A is moved to the inclined position by sliding toward the direction).

  Therefore, also in this embodiment, the same effect as the first embodiment can be obtained.

  In the above, the present invention has been described in detail for specific embodiments. However, the present invention is not limited to the above-described embodiments, and various other embodiments are possible within the scope of the present invention. It will be apparent to those skilled in the art. For example, in each of the above embodiments, the slide bracket 50 is coupled to the door inner panel 36 by spot welding. However, the slide bracket 50 may be coupled by other coupling methods such as fastening, fitting, and bonding using bolts or the like instead of spot welding. It is good also as a structure couple | bonded with the door inner panel 36. FIG. Alternatively, the slide bracket 50 may be integrated with the door inner panel 36 by pressing or the like.

  Further, in each of the embodiments described above, the thickness M1 of the vehicle width direction outer fragile portion 42 and the thickness M4 of the vehicle width direction inner fragile portion 48 are made thinner than the thickness of other portions of the front side door trim 24. However, it is good also as a structure which provided weak part formation means, such as a groove | channel and a slit, in the vehicle width direction outer side weak part 42 and the vehicle width direction inner side weak part 48 instead. In addition, the resin material constituting the vehicle width direction outer fragile portion 42 and the vehicle width direction inner fragile portion 48 is made of a resin having lower rigidity than the resin material constituting the other part of the front side door trim 24 by two-color molding. It is good also as composition used as material. Furthermore, it is good also as a structure which does not provide the vehicle width direction outer side weak part 42 and the vehicle width direction inner weak part 48 in the vehicle width direction both ends of the armrest 30 in the front side door trim 24. FIG.

  In each of the above embodiments, the vehicle interior side structure of the present invention is applied to the horizontal wall portion 30A of the armrest 30. However, the vehicle interior side structure of the present invention is a front vertical wall portion or a rear vertical wall portion of the armrest 30. It is also applicable to.

  In each of the above embodiments, the vehicle interior side structure of the present invention is applied to the front side door trim 24. However, the vehicle interior side structure of the present invention includes a rear side door trim 26, a quarter trim 28, a slide door trim, a dash panel, It can also be applied to other vehicle interior materials such as pillar garnishes and molded ceilings.

It is sectional drawing to which a part of FIG. 3 was expanded in the vehicle interior side part structure which concerns on 1st Embodiment of this invention. It is sectional drawing corresponding to FIG. 1 which shows the deformation | transformation state in the vehicle interior side part structure concerning 1st Embodiment of this invention. FIG. 6 is an enlarged cross-sectional view taken along a line 3-3 in FIG. 5. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a vehicle interior side part structure according to a first embodiment of the present invention as seen from the front side of a vehicle diagonally inside. 1 is a side view showing a vehicle to which a vehicle interior side part structure according to a first embodiment of the present invention is applied. It is a graph which shows the relationship between the deformation | transformation stroke and deformation | transformation load in the vehicle interior side part structure which concerns on 1st Embodiment of this invention. It is sectional drawing corresponding to FIG. 1 in the vehicle interior side part structure which concerns on 2nd Embodiment of this invention. It is a perspective view corresponding to FIG. 4 in the vehicle interior side part structure according to the second embodiment of the present invention. FIG. 9 is an enlarged cross-sectional view taken along the line 9-9 in FIG. 7. It is sectional drawing corresponding to FIG. 1 in the vehicle interior side part structure which concerns on 3rd Embodiment of this invention.

Explanation of symbols

12 Car compartment 20 Front side door 24 Front side door trim (car interior material)
30 Armrest 30A Horizontal wall (wall) of armrest
36 Door inner panel 40 Upper wall portion of front side door trim 42 Vehicle width direction outer fragile portion 48 Vehicle width direction inner fragile portion 50 Slide bracket 50A Sliding bracket inclined wall portion 50G Slide bracket armrest support portion (horizontal wall portion supporting means)
52 Through hole 54 Through hole (deformation promoting means)
56 Through hole (deformation promoting means)
80 Engaging convex part of front side door trim (horizontal wall part supporting means)
84 Through hole

Claims (4)

A wall portion provided along a vehicle interior / exterior direction and having a vehicle interior outer corner portion and a vehicle interior side corner portion that are bent in opposite directions to each other at a vehicle exterior side portion and a vehicle interior side portion; A vehicle width direction outer fragile portion that is formed at an outer corner portion and deforms so that a bending angle of the outer corner portion of the passenger compartment increases when a load acts on the wall portion from the inner side to the outer side of the passenger compartment. A vehicle that is formed at a corner portion on the vehicle interior side of the wall portion and deforms so that a bending angle of the corner portion on the vehicle interior side increases when a load is applied to the wall portion from the vehicle interior side toward the vehicle exterior side. A vehicle interior material comprising a widthwise inner weak portion;
When the wall portion of the vehicle interior material is provided outside the vehicle compartment and moves relatively from the vehicle interior side toward the vehicle interior outside, the wall portion is moved with respect to the direction of the load. Guiding means for guiding in a tilting direction,
A vehicle interior side part structure characterized by comprising:   The vehicle interior side part structure according to claim 1, wherein the wall of the vehicle interior material is a horizontal wall of an armrest formed on a door trim.   A horizontal wall portion supporting means is provided at a connecting portion between the guide means and the horizontal wall portion of the armrest, and supports the horizontal wall portion of the armrest from the vehicle lower side so as to be movable toward the vehicle upper side. The vehicle interior side part structure according to claim 2.   The said guide means has a deformation | transformation promotion means for deform | transforming in the action direction of the said load, when a load acts toward the vehicle compartment outer side from the vehicle interior side. Car interior side part structure given in the paragraph.

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