JP6164484B2 - Vehicle door trim - Google Patents

Description

  The present invention relates to a vehicle door trim.

  2. Description of the Related Art Conventionally, a vehicle door trim including a bulging portion (for example, an armrest portion) that bulges toward the vehicle interior side is disclosed in Patent Document 1 below.

JP 2008-120128 A

  The said bulging part is provided with the main surface part which comprises the surface by the side of a vehicle interior, and the standing wall part which stands | starts up from the peripheral edge part of a main surface part to a vehicle interior side. At the time of a side collision of the vehicle, it is required to buckle and deform the standing wall portion to reduce the impact on the occupant. For this reason, the structure which deform | transforms a standing wall part easily from a weak part is known by forming a weak part in a standing wall part. In order to make the shock absorbing performance at the time of a side collision more stable, it is necessary to cause a more reliable deformation in the fragile portion (or in the vicinity of the fragile portion), and there is room for improvement in this respect.

  The present invention has been completed based on the above circumstances, and an object of the present invention is to provide a vehicle door trim capable of further stabilizing the shock absorbing performance at the time of a side collision.

  In order to solve the above-mentioned problem, the present invention is a vehicle door trim comprising a clip seat that holds a clip attached to a door panel of a vehicle, and a bulging portion that bulges toward the vehicle interior side. The vehicle includes a main surface portion having a surface on the vehicle interior side, and a standing wall portion that rises from the rear end of the vehicle toward the vehicle interior outside the main surface portion, and the vertical wall portion seats the standing wall portion when a vehicle side impact occurs. A fragile portion that facilitates bending deformation is formed, and the clip seat is provided on the standing wall portion at a position outside the vehicle compartment from the fragile portion, and the clip seat further includes the clip. A seat surface portion to be attached; and a leg portion connected to the standing wall portion and supporting the seat surface portion; and a connecting portion of the leg portion with the standing wall portion has a linear shape; One end is fragile A region containing, characterized in that it is arranged in the buckling deformation region serving as a starting point for buckling deformation of the vertical wall portion on the vehicle side collision.

  In the present invention, the leg portion of the clip seat is connected to the standing wall portion, and one end of the connecting portion with the standing wall portion is arranged in the buckling deformation region including the fragile portion. The load at the time of a side collision of the vehicle is transmitted from the door panel to the clip seat via the clip. Thereby, the load at the time of a side collision can be reliably transmitted to the buckling deformation area | region from the leg part of a clip seat, and a standing wall part can be reliably buckled and deformed from a buckling deformation area | region. As a result, more stable shock absorbing performance can be provided.

  In addition, the buckling deformation area | region said here is an area | region including the vicinity of a weak part and a weak part, and means the area | region used as the starting point of the buckling deformation of a standing wall part at the time of a side collision. Specifically, the buckling deformation region is a bending (or breakage) at a fragile portion (or in the vicinity of the fragile portion) when the standing wall portion is buckled and deformed during a side collision (or during a general side collision test). ).

  The bulging portion may be an armrest, and the fragile portion may extend in the vertical direction and be formed at a central portion in the vehicle width direction of the standing wall portion.

  According to the present invention, the shock absorbing performance in the armrest can be further stabilized.

  ADVANTAGE OF THE INVENTION According to this invention, the vehicle door trim which can stabilize the shock absorption performance at the time of a side collision can be provided.

The front view which shows the vehicle door trim which concerns on one Embodiment of this invention. FIG. 1 is a perspective view of the vicinity of the side surface of the armrest as viewed from the outside of the passenger compartment The perspective view which looked at the armrest side part from the passenger compartment outside Sectional drawing which shows an armrest side part (corresponding to the figure cut | disconnected by the IV-IV line of FIG. 3) Sectional drawing which shows other embodiment

  An embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a front view showing a vehicle door trim 20 of the present embodiment. The vehicle door trim 20 constitutes a vehicle door by being attached to a door inner panel 10 (see FIG. 4) constituting the door panel.

  As shown in FIG. 1, the vehicle door trim 20 includes a trim main body 21. As shown in FIG. 1, the trim main body 21 includes a lower board 22, an ornament 23, and an upper board 24.

  The lower board 22, the ornament 23, and the upper board 24 are plate-like members made of a synthetic resin material such as polypropylene, for example. The members constituting the trim main body 21 are not limited to synthetic resin materials. For example, a material obtained by mixing a wood-based material (for example, kenaf, hemp, flux, sisal, etc.) and a synthetic resin is used. Also good.

  The lower board 22 constitutes a lower part of the trim main body 21. The lower board 22 is provided with, for example, a speaker grill 22A, a door pocket opening 22B constituting a door pocket, and the like.

  As shown in FIG. 1, the ornament 23 has a longitudinal shape extending in the vehicle front-rear direction. An inside handle attachment portion 23A for attaching an inside handle (not shown) is provided at the vehicle front end portion of the ornament 23.

  An armrest 30 is provided at the boundary between the lower board 22 and the ornament 23. The armrest 30 has a longitudinal shape extending in the vehicle front-rear direction, and is disposed at the vehicle rear portion of the vehicle door trim 20 (or the trim main body portion 21). The armrest 30 (bulging portion) has a shape that bulges toward the vehicle interior side, and is divided from the armrest main body portion 31 and the armrest side surface portion 40.

  The armrest main body 31 mainly includes an upper surface 31A of the armrest 30 and a surface 31B on the vehicle interior side. As shown in FIG. 4, the armrest main body 31 has a main surface portion 32 having a surface 31 </ b> B on the vehicle interior side. The main surface portion 32 is disposed on the vehicle interior side with respect to the ornament 23, for example. Moreover, the skin material 33 is affixed on the design surface in the armrest main-body part 31 (refer FIG. 4).

  The armrest side surface portion 40 mainly constitutes the vehicle rear end side surface 40A of the armrest 30. In FIG. 4, the upper side corresponds to the vehicle interior side, and the lower side corresponds to the vehicle interior side. Further, the right side of FIG. 4 corresponds to the vehicle front side, and the left side corresponds to the vehicle rear side.

  The armrest side surface portion 40 rises from the vehicle rear end of the main surface portion 32 to the vehicle compartment outer side, and has an upright wall portion 41 having a side surface 40A, and an outer peripheral side from the vehicle outer side edge of the vertical wall portion 41 (opposite side of the armrest main body portion 31). And a flange portion 47 projecting over the surface.

  As shown in FIG. 2, a plurality of attachment pieces 42 having attachment holes 42 </ b> A are provided at the peripheral end portion of the armrest side surface portion 40. The armrest side surface portion 40 is attached to the armrest main body portion 31, the lower board 22, and the ornament 23 in each attachment piece 42.

  Specifically, for example, the mounting boss 34 provided on the outer surface of the armrest body 31 in the armrest main body 31 is inserted into the mounting hole 42A. The distal end portion of the mounting boss 34 inserted through the mounting hole 42A is fastened to the mounting piece 42 by fastening means such as heat caulking or screws. FIG. 2 is a perspective view of the vicinity of the armrest side surface portion 40 viewed from the outside of the passenger compartment. In FIG. 2, the right side corresponds to the vehicle front side, and the left side corresponds to the vehicle rear side.

  A groove portion 43 (fragile portion, part of a buckling deformation region) cut out in a V-shape is formed on the back surface (the front surface of the vehicle) of the standing wall portion 41. As shown in FIG. 4, the groove portion 43 is formed in the central portion of the standing wall portion 41 in the vehicle interior / exterior direction (vehicle width direction). The groove 43 extends along the vertical direction as shown in FIG. Thereby, at the time of a side collision of the vehicle, the stress concentrates on the groove portion 43, so that the standing wall portion 41 can be easily deformed starting from the groove portion 43.

  Moreover, as shown in FIG. 3, the upper end wall part 45 (circumferential end wall part) which stands | starts up at the vehicle front side is provided in the upper end part in the standing wall part 41. As shown in FIG. A lower end wall portion 46 that rises toward the vehicle front side is provided at the lower end portion of the standing wall portion 41.

  Further, the upper end portion of the groove portion 43 is formed on the lower surface of the upper end wall portion 45. The lower end portion of the groove portion 43 is formed on the upper surface of the lower end wall portion 46. That is, the groove 43 is formed across the standing wall 41, the upper wall 45, and the lower wall 46.

  The upper end wall portion 45 is formed with a cutout portion 45 </ b> A so as to be connected to the upper end portion of the groove portion 43. Moreover, the front-end | tip part 46B of the lower end wall part 46 is extended below, and the notch part 46A is formed in the front-end | tip part 46B in the form connected with the lower end part of the groove part 43. FIG. That is, notches 45A and 46A are provided at both ends of the groove 43, respectively.

  As shown in FIG. 3, a clip seat 50 that holds a clip 70 (shown in FIG. 4) is provided on the back surface (surface on the front side of the vehicle) of the upright wall portion 41 at a position on the vehicle exterior side of the groove portion 43. It has been. The clip seat 50 includes a seat surface portion 51 to which the clip 70 is attached and a leg portion 52 that supports the seat surface portion 51.

  As shown in FIG. 4, the seat surface portion 51 is disposed to face the door inner panel 10. A mounting hole 51A to which the clip 70 is attached is formed in the seat surface portion 51. Moreover, the entrance hole 51B is formed by notching a part of hole edge part of the attachment hole 51A.

  As shown in FIG. 4, the clip 70 includes a shaft portion 71 (a base end portion of the clip) that is inserted into the attachment hole 51 </ b> A. When attaching the clip 70, the shaft portion 71 can be attached to the attachment hole 51A through the entry hole 51B.

  In addition, the clip 70 includes a pair of holding pieces 72 and 73 that sandwich the hole edge of the seat surface portion 51 from both the front and back sides. The movement of the clip 70 in the vehicle width direction (vertical direction in FIG. 4) is restricted by the pair of holding pieces 72 and 73.

  The clip 70 includes a clip tip 74 that can be elastically deformed. The clip front end portion 74 is attached to the attachment hole 10 </ b> A formed through the door inner panel 10 from the vehicle interior side.

  When the clip tip 74 is attached to the attachment hole 10A, the clip tip 74 is inserted into the attachment hole 10A from the vehicle interior side while being reduced in diameter, and then elastically returns to the edge of the attachment hole 10A. Against the outside of the passenger compartment. Thereby, the armrest side surface portion 40 is fixed to the door inner panel 10 via the clip 70.

  In addition, a blocking piece 75 for closing a gap formed between the inner peripheral surface of the mounting hole 10A and the clip tip portion 74 is provided between the clip tip portion 74 and the holding piece 72 attached to the mounting hole 10A. It has been.

  As shown in FIG. 3, the leg portion 52 of the clip seat 50 has a substantially U-shape that opens to the front of the vehicle. The leg portion 52 extends from the outer peripheral end of the seat surface portion 51 toward the standing wall portion 41. In other words, the leg portion 52 is connected to both the seat surface portion 51 and the standing wall portion 41.

  The connection part 53 with the standing wall part 41 in the leg part 52 has comprised linear form. One end portion 54 of the connection portion 53 is disposed closer to the groove portion 43 than the other end portion 55. The one end 54 is connected to the groove 43 as shown in FIGS. 3 and 4.

  Further, the upper portion 53A (a part on the side connected to the groove portion 43) in the connection portion 53 has a linear shape extending along the vehicle width direction. In other words, the upper portion 53 </ b> A extends in a direction substantially perpendicular to the extending direction of the groove 43.

  Further, as shown in FIG. 4, the surface on the vehicle front side of the leg portion 52 is an inclined surface 52 </ b> A that approaches the standing wall portion 41 toward the vehicle interior side (lower side in FIG. 4). The inclined surface 52A is connected to the inner surface of the groove 43.

  In addition, a rib 56 having a T shape as viewed from the opening side of the leg portion 52 is provided inside the leg portion 52, and the leg portion 52 and the seat surface portion 51 are connected via the rib 56.

  Next, the effect of this embodiment will be described. In the present embodiment, the leg portion 52 of the clip seat 50 is connected to the standing wall portion 41, and one end portion 54 of the connecting portion 53 of the standing wall portion 41 is connected to the groove portion 43. A load at the time of a side collision of the vehicle is transmitted from the door inner panel 10 to the clip seat 50 via the clip 70. Thereby, the load at the time of a side collision can be reliably transmitted from the leg part 52 of the clip seat 50 to the groove part 43, and the standing wall part 41 can be reliably buckled and deformed from the groove part 43 as a starting point. As a result, more stable shock absorbing performance can be provided.

  Note that “the standing wall portion 41 is buckled and deformed from the groove portion 43” specifically means that the standing wall portion 41 is bent with the groove portion 43 as a fold line, or the standing wall portion along the groove portion 43. It means that the standing wall 41 is deformed as a result of the breakage of 41.

  Further, the groove 43 extends along the vertical direction, and is formed at the center of the standing wall 41 in the vehicle width direction. According to this embodiment, at the time of a side collision, the standing wall 41 can be deformed so as to be bent with the groove 43 as a starting point. Thereby, the impact absorption effect in the armrest 30 which is a part opposingly arranged with a passenger | crew can be made high.

  In the present embodiment, notches 45A and 46A are formed at each end of the groove 43, respectively. Thereby, stress becomes easy to concentrate on the edge part of the groove part 43 at the time of a side collision, and the standing wall part 41 can be more reliably buckled and deformed from the groove part 43 as a starting point.

  Further, if the leg portion 52 is provided so as to intersect with the groove portion 43, the rigidity in the vicinity of the groove portion 43 is increased, and the standing wall portion 41 is hardly deformed. For this reason, in this embodiment, the one end part 54 and the other end part 55 of the connection part 53 are distribute | arranged to the vehicle compartment outer side with respect to the groove part 43, and the leg part 52 and the groove part 43 do not cross | intersect.

<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.

  (1) In the said embodiment, although the armrest 30 was illustrated as a bulging part which bulges in the vehicle interior side, it is not limited to this. For example, the portion below the armrest 30 at the vehicle rear end of the lower board 22 may be the bulging portion of the present invention. In addition, an armrest tends to become a part which bulges to the vehicle interior side (side near a passenger | crew) most in a vehicle door trim. For this reason, it is particularly suitable to apply the present invention to the armrest. Further, the armrest 30 may be formed integrally with the trim main body 21.

  In addition, the vehicle rear part of the vehicle door trim is a portion that is mainly disposed facing the occupant. For this reason, this invention is suitable when it applies to the bulging part provided in the vehicle rear part of the vehicle door trim.

  (2) In the above embodiment, the V-shaped groove portion 43 is exemplified as the fragile portion, but the present invention is not limited to this. The weak part should just make the standing wall part 41 easy to buckle-deform, for example, it is good also considering the groove part which makes a cross-sectional view U-shape as a weak part. Moreover, as shown in FIG. 5, it is good also as a weak part by forming the slit 143 through the standing wall part 41, and arranging a plurality of such slits 143 linearly. When the slit 143 is formed through the standing wall 41, it is preferable to cover the design surface side of the standing wall 41 with a skin material (not shown).

  (3) In the above embodiment, the configuration in which the one end portion 54 of the connection portion 53 is connected to the groove portion 43 (fragile portion) is illustrated, but the present invention is not limited to this. The one end portion 54 may be disposed in the vicinity of the groove portion 43. That is, the one end portion 54 is a region including the groove portion 43 and is disposed in a region (buckling deformation region) that is a starting point of the buckling deformation of the standing wall portion 41 during a side collision (or a general side collision test). It only has to be done. The buckling deformation region referred to here is bending (or breaking) at the groove 43 (or the vicinity of the groove 43) when the standing wall 41 is buckled and deformed at the time of a side collision (or a general side collision test). Say the area.

  (4) In the above embodiment, the leg portion 52 may be provided across both the standing wall portion 41 and the flange portion 47.

  (5) The formation location and extending direction of the groove 43 are not limited to those exemplified in the above embodiment, and can be changed as appropriate. In addition, the formation location of the groove part 43 can be determined as follows, for example. A general side impact test was performed on the door trim including the standing wall portion 41 in which the groove portion 43 was not formed, and the standing wall portion 41 was buckled and deformed, and the location that became the starting point of the buckling deformation (broken or bent) The location) may be a location where the groove 43 is formed.

  (6) In the above embodiment, both the one end portion 54 and the other end portion 55 of the connection portion 53 may be connected to the groove portion 43.

  (7) In the above embodiment, the groove portion 43 is formed on the back surface (the vehicle front surface) of the standing wall portion 41, but the present invention is not limited to this. For example, although the groove part 43 may be formed in the surface on the front side in the standing wall part 41, it is preferable to form in the back surface from a design viewpoint.

DESCRIPTION OF SYMBOLS 10 ... Door inner panel (door panel), 20 ... Door trim for vehicles, 30 ... Armrest (bulging part), 32 ... Main surface part, 41 ... Standing wall part, 43 ... Groove part (fragile part, buckling deformation area), 50 ... Clip Seat 51: Seat part 52 ... Leg part 53 ... Connection part 54 ... One end part in connection part 70 ... Clip

Claims (2)

A vehicle door trim comprising: a clip seat that holds a clip attached to a vehicle door panel; and a bulging portion that bulges toward a vehicle interior side,
The bulging portion is
A main surface portion having a surface on the vehicle interior side;
A standing wall portion that rises from the rear end of the vehicle in the main surface portion to the vehicle compartment outside, and
The standing wall portion is a fragile portion that facilitates buckling deformation of the standing wall portion at the time of a side collision of the vehicle, and a groove portion formed by cutting out a part of the standing wall portion is formed.
The clip seat is provided in the standing wall portion at a position on the vehicle exterior side of the groove portion ,
Furthermore, the clip seat is
A seat surface to which the clip is attached;
A leg portion connected to the standing wall portion and supporting the seat surface portion;
The connecting portion of the leg portion with the standing wall portion has a linear shape,
A vehicle door trim in which one end portion of the connecting portion is connected to an inner surface of the groove portion that becomes a starting point of buckling deformation of the standing wall portion when a vehicle side impact occurs. The bulging portion is an armrest,
The groove portion extends in the up-down direction, and is formed in a central portion of the standing wall portion in the vehicle width direction ,
The upper end portion of the standing wall portion is provided with an upper end wall portion that rises toward the vehicle front side, and the lower end portion of the standing wall portion is provided with a lower end wall portion that rises toward the vehicle front side,
The upper end of the groove is formed on the lower surface of the upper end wall, the lower end of the groove is formed on the upper surface of the lower end wall, and the groove extends from the upper end wall to the lower end wall. Has been
An upper notch is formed in the upper end wall portion so as to be connected to the upper end portion of the groove portion, a distal end portion of the lower end wall portion extends downward, and the lower end portion of the groove portion is provided at the distal end portion. The vehicle door trim according to claim 1 , wherein a lower cutout portion is formed so as to be connected to the portion .

Images