Vehicle interior materials

Abstract

To provide an interior material for a vehicle which achieves a new static electricity removing structure.SOLUTION: An interior material for a vehicle comprises a base material and a skin material 40 which covers at least a part of the base material. The base material has a base material body which is a skeleton for a contact part, and an extension part extending toward a metal member from the base material body. The skin material 40 comprise a skin material body 43 constituting the contact part by covering the base material body, and a skin material extension part 44 continuing from the skin material body 43 and disposed on the extension part, and further comprises a static elimination surface layer having electrostatic diffusivity at least on a surface of a side facing the metal member. In the interior material for a vehicle, when the skin material 40 is mounted on the metal member in a posture facing the side of the metal material, the extension part is fixed to the metal member, and the skin material 40 has a configuration in which the static elimination surface layer in the skin material extension part 44 is brought into direct contact with the metal member.SELECTED DRAWING: Figure 5

Description

[Technical field]

[0001] The present invention relates to an interior material for a vehicle. [Background technology]

[0002] There are known interior materials for vehicles that have static electricity removal properties. For example, Patent Document 1 discloses a configuration in which a pocket member of a door panel, including a gripping surface that is touched by the hands of an occupant, is made of conductive resin and electrically connected to a metal panel that forms the body of the vehicle. As a result, when an occupant touches the gripping surface, the static electricity charged to the occupant can be removed to the vehicle side. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2019-84838 A Summary of the Invention [Problem to be solved by the invention]

[0004] In the above configuration, a metal bracket is used to firmly support the pocket member in the static electricity removal path from the conductive resin to the metal panel. In addition, to establish electrical continuity between the metal bracket and the metal panel, a locking member (a so-called grommet) capable of expanding and deforming is fitted into a fastening hole provided in the metal panel, and the grommet is made of conductive resin, ensuring electrical conductivity through the side of the fastening hole without peeling off the paint on the metal panel. Therefore, this static electricity removal structure requires multiple parts, and a special locking member having electrical conductivity is required in addition to the parts that make up the pocket member, which increases the number of parts and increases costs.

[0005] The technology disclosed herein has been made in consideration of the above circumstances, and has an object to provide a vehicle interior material that realizes a new static electricity removing structure. [Means for solving the problem]

[0006] The interior side of a metal member such as a door panel is painted, and it has been conventionally believed that electrical connection is insufficient at the painted portion. Therefore, a static electricity conduction path between the contact portion of the assembly member and the door panel is secured via an unpainted portion, such as the inner peripheral surface of a fastening hole for fixing the assembly member to the door panel. In addition, the skin material usually covers only the portion of the base material that is exposed to the vehicle cabin, and is not disposed on the portion of the base material that is not exposed to the vehicle cabin. However, the inventors have found that electrical conduction can be achieved not only at unpainted portions but also at painted portions between a metal member constituting a vehicle that can act as an earth and a member that stores static electricity of such a large voltage that it causes pain to a person when the static electricity is removed.

[0007] That is, in order to solve the above problems, the vehicle interior material disclosed herein is attached to the vehicle interior side of a metal member constituting a vehicle and has a contact part that an occupant touches, and includes a plate-shaped substrate and a skin material covering at least a part of the substrate. The substrate has a substrate main body that is a skeleton of the contact part, and an extension part that extends from the substrate main body toward the metal member. The skin material includes a skin main body part that covers the substrate main body and constitutes the contact part, a skin extension part that is continuous with the skin main body part and is provided on the extension part, and includes a static electricity dissipative surface layer at least on the surface facing the metal member. When the vehicle interior material is attached to the metal member in a position facing the metal member, the extension part is fixed to the metal member, and the skin material is configured so that the static electricity dissipating surface layer in the skin extension part directly contacts the metal member. This makes it possible to remove static electricity accumulated in the contact portion with the same configuration, regardless of whether the interior side of a metal member such as a door panel is painted or not.

[0008] In this technology, "static dissipation" means that the surface resistance (Rs [Ω / □]) measured based on IEC 61340-2-3:20001 is less than or equal to 1×10 4 ≦Rs<1×10 12 , more specifically 1×10 5 ≦Rs<1×10 11 If the surface resistance of an article is within this range, when a person who is electrostatically charged touches the surface of the article, the static electricity is slowly transferred to the article without the person feeling any pain or shock, and the static electricity can be removed (neutralized) from the person's body. In addition, "electrical conductivity" means that the surface resistance value [Ω / □] is Rs<1×10 12 Typically, Rs≦1×10 4 , more specifically, Rs≦1×10 -2 Furthermore, the volume resistivity measured based on JIS K 7194 is typically 10 5 Ωcm or less, preferably 10 -3 Ωcm or less, more preferably 10 -1 Ωcm or less, e.g. 10 -6 It may be Ωcm or less. And, "electrically insulating" means that the surface resistance value [Ω / □] is 10 12 ≦Rs, and further, the volume resistivity is 10 6 Ωcm or more, typically 10 8 Ωcm or more, e.g. 10 10 This means that the resistance is Ωcm or more.

[0009] In a preferred embodiment of the present technology, the metal member includes a metal base material and an insulating coating film applied to the interior surface of the metal base material, and the skin material may be configured to contact the metal member at the portion where the coating film is provided. The static electricity removing structure according to the present technology can be applied to a metal member such as a door panel even if the metal base material is a painted portion. Therefore, when the skin material is configured to contact the portion where the coating film is provided of the metal member, it is preferable in that the advantages of this vehicle interior material can be exhibited.

[0010] In a preferred embodiment of the present technology, the skin material has a laminated structure including a static electricity dissipating surface layer and an elastic layer having elasticity, which is integrally arranged on the back surface of the static electricity dissipating surface layer facing the substrate. The elastic layer that can impart flexibility to the skin material is difficult to provide sufficient static electricity dissipation due to its structure, etc., and this tendency becomes more pronounced as the flexibility of the elasticity is increased. According to the above configuration, the static electricity dissipating surface layer only needs to be provided on the front surface of the skin material, and it is possible to arrange an elastic layer on the back surface, which can impart a soft touch to the contact portion. This provides a vehicle interior material that combines excellent texture and static electricity removal performance.

[0011] In a preferred embodiment of the present technology, the metal member and the extension portion may be arranged apart from each other, and at least one of the extension portions may have a protruding portion protruding toward the other, and the static-eliminating surface layer and the metal member may be in direct contact between the protruding portion and the other extension portion. According to the above configuration, the protruding height of the protruding portion can be set according to the thickness of the skin material so that the skin material and the metal member can be in direct contact with each other. This makes it possible to more reliably contact the skin material and the metal member.

[0012] In a preferred aspect of the present technology, the metal member and the extension portion each have an insertion hole through which a fastening member for fastening them to each other is inserted, a grommet is attached to the insertion hole of the metal member, the grommet has a tubular portion inserted into the insertion hole and a flange portion extending from the tubular portion toward the radially outer side of the insertion hole on a surface of the metal member facing the interior of the vehicle, the extension portion has a pressing portion protruding toward the metal member in the vicinity of the insertion hole, a protruding height of the pressing portion is smaller than a thickness dimension of the flange portion along the interior / exterior direction of the vehicle, and a sum of the protruding height of the pressing portion and a thickness of the skin material is larger than the thickness dimension of the flange portion along the interior / exterior direction of the vehicle. According to the above configuration, when the metal member and the extension portion of the base material are fastened to each other, a separation dimension between the metal member and the extension portion coincides with a thickness dimension of the flange portion of the grommet. According to the above configuration, by providing the pressing portion near the flange portion, the pressing portion can be formed with high precision to a size suitable for pressing the skin material against the metal member. This allows the skin material and the metal member to be in more reliable contact with each other. Note that the shape of the metal member may be significantly deformed near the insertion hole of the fastening member in order to shorten the distance between the metal member and the mating member when fastening. Therefore, the "near the insertion hole" here refers to a range in which the pressing portion is far enough away from the insertion hole that it does not interfere with the flange portion of the grommet, but the distance between the metal member and the extension portion is close enough to maintain the thickness dimension of the flange portion.

[0013] In a preferred aspect of the present technology, the extension portion includes a plate-shaped extension portion main body and the pressing portion protruding from a surface of the extension portion main body facing the vehicle cabin outside toward the metal member, the pressing portion includes a base portion rising from the extension portion main body and a beam portion extending from the base portion along the surface of the extension portion main body, and the skin extension portion may be superimposed on the beam portion. With the above configuration, the skin material can be suitably brought into elastic contact with the metal member.

[0014] In a preferred embodiment of the present technology, the beam portion extends from the base portion toward the base body, and the skin extension portion overlaps the beam portion from the exterior side and is at least partially fixed to the extension portion body. With the above configuration, the base portion of the pressing portion and the grommet can be closer to each other, and the fastening between the metal member and the extension portion and the contact between the metal member and the skin material can be more stable.

[0015] In a preferred embodiment of the present technology, the beam portion extends from the base portion toward the side opposite to the substrate body, and the skin extension portion is attached to the substrate and the beam portion from the exterior side. With the above configuration, the skin extension portion can be attached to the pressing portion in its entirety without being lifted from the pressing portion. This can prevent the skin extension portion from peeling off or sticking to the periphery of the lifted skin extension portion during vehicle travel, which may cause a slight adhesive sound (squishing sound) or a decrease in the adhesive strength of the skin extension portion.

[0016] In a preferred embodiment of the present technology, the static electricity removing surface layer may include at least one of a synthetic resin sheet, a cloth, a nonwoven fabric, and a knitted fabric, each of which includes a conductive fiber. According to the above configuration, the static electricity removing surface layer can be made of materials with various touches and textures, thereby improving user satisfaction.

[0017] In a preferred embodiment of the present technology, the elastic layer may include a foamed resin. According to the above-mentioned configuration, it is possible to improve the texture of the skin material and to more reliably connect the vehicle interior material and the metal member.

[0018] In a preferred embodiment of the present technology, the vehicle interior material is a door trim attached to an interior side of a metal door panel constituting a vehicle door, and the contact portion may be a pull handle member constituting a door pull handle. According to the above configuration, when an occupant gets off the vehicle, the static electricity accumulated while sitting on the seat can be released to the door panel during the natural action of touching the pull handle member to open the door. Effect of the Invention

[0019] According to the technology disclosed herein, it is possible to provide a vehicle interior material that realizes a new static electricity removing structure. [Brief description of the drawings]

[0020] [Figure 1] FIG. 1 is a perspective view of a vehicle door including a door trim according to an embodiment; [Diagram 2] FIG. 2 is an exploded perspective view of the vehicle door of FIG. 1; [Diagram 3] FIG. 2 is a perspective view of a pull handle member of a vehicle door as viewed from the outside of the vehicle compartment; [Figure 4] FIG. 4 is an exploded perspective view of the pull handle member of FIG. [Diagram 5] FIG. 4 is an enlarged view of a main part of the skin extension of the skin material of FIG. [Figure 6] A cross-sectional view of the main part showing how the wall mounting part of the pull handle member is mounted to the door inner panel (corresponding to the cross-sectional view of line CC in Figure 5). [Figure 7] 4 is a cross-sectional view of the pull handle member of FIG. 3 as viewed from the rear (cross-sectional view taken along line AA of FIG. 3). [Figure 8] 4 is another cross-sectional view of the pull handle member of FIG. 3 as viewed from the rear (cross-section along line BB of FIG. 3 ). [Figure 9] Cross-sectional view of the main part of the skin [Figure 10] Cross-sectional view of the pull handle component connection (corresponding to the cross-sectional view of line DD in Figure 5) [Figure 11] Cross-sectional view of the pull handle component connection (corresponding to the cross-sectional view of line EE in Figure 5) [Figure 12] FIG. 5 is an enlarged view showing an extension of a skin material according to another embodiment of the present invention; [Figure 13] FIG. 13 is a cross-sectional view of the main part showing how the wall mounting portion of the pull handle member is mounted to the door inner panel (corresponding to the cross-sectional view of line FF in FIG. 12). DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0021] <Embodiment 1> The technology disclosed herein will be described with reference to Figs. 1 to 11, taking a door trim 20 or a trim board 21 as an example of vehicle interior material. The door trim 20 in Fig. 1 is arranged on a right door 10 of a vehicle as a vehicle, but a similar configuration is also provided on a left door, etc. Also, the symbols F, Rr, U, D, IN, and OUT shown in each figure respectively indicate the front and rear in the vehicle travel direction, the upper and lower in the vertical direction (up and down direction), the inside and outside of the passenger compartment. However, the above directions are merely defined for the sake of convenience in the description, and should not be interpreted in a restrictive manner.

[0022] The door trim 20 disclosed herein is attached to the interior side of a door panel 12 of a vehicle door 10 (vehicle door) as shown in Figs. 1 and 2, and is an interior material for forming a wall surface of the vehicle interior and improving the appearance and habitability of the vehicle interior. The door panel 12 includes a door outer panel 14 and a door inner panel 16 each having a plate shape, which are formed by pressing metal panels such as steel and aluminum. Various parts such as a lifting mechanism (not shown) for lifting and lowering the window glass 18 and a speaker 25A are arranged between the door inner panel 16 and the door outer panel 14. Although not specifically shown, the door inner panel 16 in this example is a metal base material whose interior surface is painted with an electrically insulating paint, and whose front surface on the interior side is provided with a coating film.

[0023] The door trim 20 includes functional parts such as an inside handle 22, an armrest 23, a door pull handle 24, a speaker grill 25 that covers a speaker 25A, and a door pocket 26. The door trim 20 is mainly composed of a plate-shaped trim board 21 as an interior material main body, and the trim board 21 is roughly composed of an upper trim 21A and a lower trim 21B. The lower trim 21B is composed by assembling a plurality of plate-shaped members together. The plate-shaped members have functional parts attached thereto, or several plate-shaped members are combined to form functional members. The upper trim 21A and the lower trim 21B are basically composed of synthetic resin material having electrical insulation such as polypropylene, and are covered with a skin material 21C or the like that enhances texture and tactile feel, etc., as necessary.

[0024] Here, the armrest 23 is a functional part on which an occupant seated in the seat can rest his / her arm. The armrest 23 is arranged over the lower trim 21B from front to rear, and is constructed by assembling an armrest member 23A that bulges toward the interior side to the upper trim 21A. The armrest member 23A is roughly constructed of an armrest surface member 23B facing upward, a skin material 23C that covers the armrest surface member 23B, and an interior side member 23D that supports the armrest surface member 23B from below while sandwiching the skin material 23C. The armrest member 23A is assembled by fixing the armrest surface member 23B and the interior side member 23D in a state where the surface (upper surface) of the armrest surface member 23B is covered with the skin material 23C. Cylindrical mounting bosses 23G, 23G that protrude toward the exterior side are provided below the interior side member 23D. Of the armrest member 23A, the armrest surface member 23B and the interior member 23D are made of an electrically insulating synthetic resin material such as polypropylene. The covering material 23C is made of a laminated material in which a surface layer made of a synthetic resin material such as polyvinyl chloride and a foamed resin layer such as a sponge-like urethane foam containing open cells are laminated together, although this is not limited to this.

[0025] A door pull handle 24 is recessed near the center of the armrest 23 in the front-rear direction. The door pull handle 24 provides a handhold for a seated occupant to place his or her hand on when opening or closing the door 10. As shown in Figs. 3 and 4, the door pull handle 24 is constructed by assembling an inner box-shaped pull handle member 30 between the upper trim 21A and the armrest surface member 23B in a manner that the inner box-shaped pull handle member 30 is housed between the upper trim 21A and the armrest surface member 23B. The armrest surface member 23B has an end portion on the upper trim 21A side near the center separated from the upper trim 21A and tapered toward the interior, thereby forming an opening 23E for the door pull handle 24.

[0026] The pull handle member 30 is assembled to the upper trim 21A and the armrest member 23A to form a box shape having an opening 23E at the top. The pull handle member 30 is composed of a base material 31 forming the framework thereof and a skin material 40 provided on the front side of the base material 31 (i.e., the surface facing the upper trim 21A). The base material 31 is constructed by combining a wall portion 32 forming the interior side wall surface of the pull handle member 30 and a bottom portion 33 forming the bottom surface. The base material 31 is composed of an electrically insulating synthetic resin material such as polypropylene. For example, the base material 31 can be constructed without including a material having static electricity dissipation properties.

[0027] The wall 32 includes a wall body 32A formed in a plate shape having an arch shape, and a plate-like wall mounting portion 32B provided at both ends of the wall body 32A in the front-rear direction so as to extend forward or backward. A skin material 40 is wrapped around the wall body 32A so as to cover the surface of the front side (i.e., the exterior side) facing the upper trim 21A. A plurality of cylindrical mounting bosses 32G (three in this example) protruding toward the interior side are erected on the rear side of the wall body 32A in the center part in the front-rear direction. In addition, the front and rear wall mounting portions 32B are formed with through holes 32C, 32E, and through holes 32D, 32F, one each at the top and bottom. The upper ends of the wall mounting portions 32B where the upper through holes 32C, 32D are formed are inclined toward the exterior side.

[0028] Here, as shown in Figs. 5 and 6, the front side of the front wall mounting part 32B is integrally provided with a pressing part 34 that protrudes toward the outside of the room, slightly behind the through hole 32C. The pressing part 34 has a substantially L-shaped cross section including a base part 34A that rises from the plate surface of the wall mounting part 32B toward the outside of the room, and a beam part 34B that extends rearward from the base part 34A. The beam part 34B is slightly inclined toward the outside of the room as it approaches the tip. In other words, the beam part 34B is inclined so as to approach the door inner panel 16 as it approaches the tip. The beam part 34B is also designed to bend in the indoor and outdoor directions. The pressing part 34 additionally includes hook-shaped locking parts 34C that are provided one by one at positions spaced apart from the beam part 34B in the vertical direction.

[0029] The bottom 33 comprises a bottom body 33A in the form of a plate having a roughly semi-elliptical shape, and a plate-shaped bottom mounting portion 33B provided at both ends of the bottom body 33A in the front-rear direction so as to extend forward or backward. The bottom body 33A is widened toward the indoor side in the center in the front-rear direction, and a bottom mounting portion is provided at the end on the indoor side so as to rise, and this bottom mounting portion is provided with a plurality of through holes 33I (three in this example). In the assembled state described later, the bottom mounting portion 33B is formed so as to follow the front and rear wall mounting portions 32B of the wall portion 32, and cylindrical mounting bosses 33C, 33D protruding toward the outdoor side are provided at positions corresponding to the through holes 35B, 35D below the wall portion 32. In addition, the portion of the bottom assembly portion 33B below the mounting bosses 33C, 33D protrudes toward the outside of the room and is formed to fit along the lower end of the interior side member 23D of the armrest member 23A, and through holes 33E, 33F are provided at positions corresponding to the mounting bosses 23G, 23G of the interior side member 23D.

[0030] Then, with the skin material 40 wrapped around the wall main body 32A, the mounting boss 32G of the wall 32 is inserted into the through hole 33I of the bottom 33, and the mounting bosses 33C, 33D of the bottom 33 are inserted into the through holes 32E, 32F at the bottom of the wall 32, and the tips of the mounting bosses 33C, 33D are thermally caulked, so that the wall 32 and the bottom 33 are integrally joined. In this manner, the pull handle member 30 is assembled.

[0031] A fastener (not shown) is inserted into the through hole 32D at the rear upper part of the wall part 32, and as shown in Fig. 3, the wall part 32 is assembled to the cylindrical mounting boss 23F of the armrest surface member 23B by the fastener. At this time, the mounting boss 23F of the interior side member 23D is inserted into the through holes 33E, 33F at the lower part of the bottom part 33, and the position of the pull handle member 30 relative to the armrest member 23A is determined at a predetermined position. Also, as shown in Fig. 6, a fastener 46 is inserted into the through hole 32C at the front upper part of the wall part 32, and the wall part 32 is directly fastened to the door inner panel 16 by the fastener 46. More specifically, a through hole 16X is provided at the fixing position of the fastener 46 of the door inner panel 16, and a grommet 45 made of an electrically insulating synthetic resin is attached. The grommet 45 includes a cylindrical tube portion 45A that is fitted into the through hole 16X, and a flange portion 45B that extends radially outward along the edge of the through hole 16X at the tip of the tube portion 45A on the interior side. The inner diameter of the grommet 45 is smaller than the outer diameter of the threaded portion of the fastener 46. Therefore, when the fastener 46 is inserted into the through hole 32C and fastened to the grommet 45, the tube portion 45A of the grommet 45 is expanded in diameter, and the wall portion 32 is firmly fixed to the door inner panel 16.

[0032] Furthermore, the bottom body 33A of the bottom 33 is provided with a fastening hole 33H for fastening to a metal bracket 47 that is substantially L-shaped, and as shown in Fig. 7, the bottom 33 is fastened to the bracket 47 by screwing or the like, so that the pull handle member 30 is firmly supported on the door inner panel 16 via the bracket 47. As shown in Fig. 8, the outside end of the bottom body 33A is provided with an attachment part that hangs down along the upper trim 21A, and a cylindrical attachment boss 33G is erected on this attachment part facing the outside of the room. The attachment boss 33G is inserted into a through hole 21D provided at the lower end of the upper trim 21A, and the pull handle member 30 can be fixed to the upper trim 21A by screwing or the like with an attachment screw 48.

[0033] Here, the skin material 40 is a lining material of the pull handle member 30, and is fixed to the wall portion 32 so as to cover at least a part of the surface of the wall portion 32. The skin material 40 constitutes a contact surface that is touched by an occupant, and is an element provided to impart static electricity diffusion to the wall portion 32. The skin material 40 of this example is also an element that imparts other aspects of the wall portion 32, such as appearance design and a high-quality touch. As shown in FIG. 9, for example, the skin material 40 has a laminated structure in which a static electricity dissipating surface layer 41 and an elastic layer 42 that has elasticity but does not have electrical conductivity are integrated together. Although not specifically shown, the skin material 40 of this example is configured such that an adhesive layer is provided on the back surface of the elastic layer 42 so that it can be attached to the wall portion 32. The skin material 40 is attached to the wall portion 32 so that the static electricity dissipating surface layer 41 is exposed on the surface and the elastic layer 42 is the back surface of the static electricity dissipating surface layer 41, i.e., the surface facing the wall portion 32.

[0034] The static electricity removing surface layer 41 can be made of, for example, a fabric skin such as a woven fabric, a nonwoven fabric, or a knitted fabric that is given static electricity dissipation by including conductive fibers made of metal or carbon, synthetic leather made of a synthetic resin that is given static electricity dissipation by including conductive fibers or conductive fine particles, or a resin sheet that has static electricity dissipation due to a polymer structure. Although not limited thereto, the static electricity removing surface layer 41 in this example is a conductive fabric skin made of a knitted fabric into which conductive fibers are woven. The elastic layer 42 can be made of an elastic material that can achieve a desired flexibility, and for example, a foamed resin such as a sponge-like urethane foam containing open cells can be preferably used. The elastic layer 42 may have static electricity dissipation like the static electricity removing surface layer 41, but in reality, it is difficult to provide a foamed resin with excellent flexibility with appropriate static electricity dissipation due to its porous structure.

[0035] More specifically, as shown in Figures 5, 10, 11, etc., the skin material 40 includes a skin main body portion 43 that covers the wall portion 32, and a skin extension portion 44 that extends forward from the skin main body portion 43. The skin main body portion 43 constitutes the main portion of the skin material 40 and is a portion that covers the wall portion main body 32A, and corresponds to a conventional skin material. The upper and lower portions of the wall portion main body 32A are formed larger than the wall portion main body 32A by the amount of the wrapping allowance, and the upper and lower wrapping allowances of the skin material 40 are respectively wrapped around the back surface side (room side) of the wall portion main body 32A, and the end portion of the skin material 40 is fixed to the back surface (room side) of the wall portion main body 32A by an adhesive layer (not shown). The front and rear of the skin material 40 are formed larger than the wall main body 32A by the side surface and wrapping margin of the wall main body 32A, and the front and rear wrapping margins of the skin material 40 are respectively wrapped around the side surface or back surface (inside the room) of the wall main body 32A and fixed by an adhesive layer (not shown). As a result, the end portion (end face) at the periphery of the wall 32 is covered by the skin material 40, improving the aesthetic appearance.

[0036] The skin extension 44 is a portion that extends toward the front of the skin main body 43. The skin extension 44 is superimposed on the pressing portion 34 provided near the through hole 32C of the wall mounting portion 32B. More specifically, the skin extension 44 is T-shaped including a main extension 44A that extends from the wall main body 32A to the top of the beam 34B of the pressing portion 34 (the surface on the outside of the room) and an engaged portion 44B that extends in the vertical direction at the tip of the main extension 44A. Each engaged portion 44B has a notch, and the hook portion of the engaging portion 34C is inserted into the notch to engage with it, so that the skin extension 44 can be superimposed on the pressing portion 34 and fixed. In other words, the skin material 40 is protruded toward the outside of the room by the pressing portion 34 beyond the surface of the wall mounting portion 32B. Here, the height of the base 34A of the pressing portion 34 (the dimension of the protrusion from the surface of the wall mounting portion 32B) is designed to be smaller than the thickness of the flange portion 45B of the grommet 45 (the dimension in the indoor / outdoor direction), and the sum of the thickness of the skin material 40 and the height of the base 34A is designed to be greater than the thickness of the flange portion 45B. This realizes a configuration in which, when the wall portion 32 is attached to the door inner panel 16, the skin extension portion 44 of the skin material 40 is pressed against the door inner panel 16 by the pressing portion 34 of the wall mounting portion 32B, and the surface of the skin material 40 is firmly in contact with the door inner panel 16. In other words, the skin material 40 has the static-eliminating surface layer 41 constituting the contact portion directly contacted with the door inner panel 16 with the elastic layer 42 compressed and deformed in the thickness direction.

[0037] In the above embodiment, the trim board 21 (vehicle interior material) is attached to the interior side of the door inner panel 16 (metal member) constituting a vehicle (one example of a vehicle) and has a contact part touched by an occupant. The trim board 21 (vehicle interior material) includes a plate-shaped base material 31 (wall mounting part 32B) and a skin material 40 that covers at least a part (wall main body 32A) of the base material 31. The base material 31 has a wall main body 32A (base material main body) that forms the framework of the contact part, and a wall mounting part 32B (extension part) that extends from the wall main body 32A toward the door inner panel 16. The skin material 40 includes a skin main body part 43 that covers the wall main body 32A and constitutes the contact part, and a skin extension part 44 that is continuous from the skin main body part 43 and is provided on the wall mounting part 32B, and includes a static electricity dissipative surface layer 41 on at least the surface facing the door inner panel 16. When this trim board 21 is attached to the door inner panel 16 with the skin material 40 facing the door inner panel 16, the wall mounting portion 32B is fixed to the door inner panel 16, and the skin material 40 is configured so that the static-eliminating surface layer 41 at the skin extension portion 44 directly contacts the door inner panel 16.

[0038] Between a metal member constituting a vehicle that can act as an earth, such as the door inner panel 16, and a member that has accumulated static electricity of such a large voltage that it causes pain to a person when static electricity is removed, electrical conduction can occur not only in unpainted areas but also in painted areas. For this reason, the trim board 21 disclosed herein has a configuration in which the static-removing surface layer 41 is brought into direct contact with the door inner panel 16 to remove static electricity accumulated at the contact portion (skin main body portion 43). This allows the static electricity accumulated at the contact portion to be removed with the same configuration, regardless of whether the interior side of a metal member such as the door inner panel 16 is painted or not.

[0039] In the above embodiment, the door inner panel 16 is provided with a metal base material made of metal and an insulating coating film on the surface of the metal base material facing the interior of the vehicle, and the skin material 40 is configured to come into contact with the door inner panel 16 at the portion where the coating film is provided. The static electricity removal structure according to the present technology can be applied to metal members such as the door inner panel 16 even in the portion where the metal base material is painted. Therefore, when the skin material 40 is configured to come into contact with the portion of the door inner panel 16 where the coating film is provided, this is preferable in that the advantages of this trim board 21 (vehicle interior material) can be exhibited.

[0040] In the above embodiment, the skin material 40 has a laminated structure including a static electricity dissipating surface layer 41 and an elastic layer 42 that is integrally arranged on the back surface of the static electricity dissipating surface layer 41 facing the substrate 31 and has elasticity. The elastic layer 42 that can impart flexibility to the skin material 40 is difficult to provide sufficient static electricity dissipation due to its structure, etc., and this tendency becomes more pronounced as the flexibility of the elasticity is increased. According to the above configuration, the static electricity dissipating surface layer 41 only needs to be provided on the front surface of the skin material 40, and the elastic layer 42 can be arranged on the back surface, which can impart a soft touch to the contact portion. This provides a trim board 21 (vehicle interior material) that combines excellent texture and static electricity removal performance.

[0041] In the above embodiment, the door inner panel 16 (metal member) and the wall mounting portion 32B (extension portion) are disposed apart from each other, and at least the wall mounting portion 32B (one side) is provided with a pressing portion 34 (one example of a protruding portion) protruding toward the door inner panel 16 (the other side), and the static-eliminating surface layer 41 and the door inner panel 16 are directly in contact between the pressing portion 34 and the door inner panel 16 (the other side). According to the above configuration, the protruding height of the pressing portion 34 (protruding portion) can be set according to the thickness of the skin material 40 so that the skin material 40 and the door inner panel 16 can be directly in contact with each other. This makes it possible to more reliably make contact between the skin material 40 and the door inner panel 16.

[0042] In the above embodiment, the door inner panel 16 and the wall mounting portion 32B (extension portion) each have a through hole 16X (insertion hole), 32C through which a fastener 46 (fastening member) for fastening them is inserted. A grommet 45 is attached to the through hole 16X of the door inner panel 16, and the grommet 45 has a tubular portion 45A inserted into the through hole 16X and a flange portion 45B extending from the tubular portion 45A toward the radially outer side of the through hole 16X on the surface of the door inner panel 16 on the vehicle interior side. The wall mounting portion 32B also has a pressing portion 34 protruding toward the door inner panel 16 near the insertion hole 32C. The protruding height of the pressing portion 34 is smaller than the thickness dimension of the flange portion 45B along the vehicle interior / exterior direction, and the sum of the protruding height of the pressing portion 34 and the thickness of the skin material 40 is larger than the thickness dimension of the flange portion 45B along the vehicle interior / exterior direction. When the door inner panel 16 (metal member) and the wall mounting portion 32B (extension portion) of the base material 31 are fastened, the distance between the door inner panel 16 and the wall mounting portion 32B coincides with the thickness dimension of the flange portion 45B of the grommet 45. According to the above configuration, by providing the pressing portion 34 near the flange portion 45B, the pressing portion 34 can be accurately formed to a dimension suitable for pressing the skin material 40 against the door inner panel 16. This allows the skin material 40 to be more reliably contacted with the door inner panel 16 (metal member).

[0043] In the above embodiment, the wall mounting portion 32B (extension portion) includes a plate-shaped wall mounting portion 32B (extension portion main body) and a pressing portion 34 that protrudes from the surface of the wall mounting portion 32B on the outer side of the vehicle compartment toward the door inner panel 16 (metal member). The pressing portion 34 includes a base portion 34A that rises from the wall mounting portion 32B (extension portion main body) and a beam portion 34B that extends from the base portion 34A along the surface of the wall mounting portion 32B (extension portion main body), and the skin extension portion 44 is overlapped with the beam portion 34B. This configuration allows the skin material 40 to be elastically contacted with the door inner panel 16 in an appropriate manner.

[0044] In the above embodiment, the beam 34B extends from the base 34A toward the wall main body 32A (base material main body), and the skin extension 44 overlaps the beam 34B from the exterior side and is at least partially fixed to the wall mounting part 32B. This configuration brings the base 34A of the pressing part 34 closer to the grommet 45, and provides a more stable configuration for fastening the door inner panel 16 to the wall mounting part 32B (extension) and for contacting the door inner panel 16 with the skin 40.

[0045] In the above embodiment, the static electricity removing surface layer 41 is a conductive fabric skin made of a knitted fabric with conductive fibers woven therein, and contains conductive fibers. The static electricity removing surface layer 41 may also contain at least one of a synthetic resin sheet, a cloth, and a nonwoven fabric containing other conductive fibers. In this way, the static electricity removing surface layer 41 can be made of materials with various touches and textures, and the satisfaction of the user can be improved.

[0046] In the above embodiment, the elastic layer 42 is made of urethane foam containing foamed resin. Due to its open cell structure, urethane foam can impart a soft feel to the contact portion and can be largely elastically deformed. With such a configuration, the texture of the skin material 40 can be improved and the electrical connection between the trim board 21 (vehicle interior material) and the door inner panel 16 (metal member) can be made more reliable.

[0047] In the above embodiment, the trim board 21 (vehicle interior material) is a trim board 21 (door trim 20) attached to the interior side of a metallic door inner panel 16 (door panel) constituting a vehicle door 10, and the contact portion is a pull handle member 30 constituting a door pull handle 24. With this configuration, for example, when an occupant gets off a vehicle (vehicle), static electricity accumulated while sitting in the seat can be suitably released to the door inner panel 16 during the natural action of touching the pull handle member 30 to open the door 10.

[0048] <Embodiment 2> A trim board 21 (vehicle interior material) according to embodiment 2 will be described with reference to Figs. 12 and 13. In this embodiment, the configurations of a pressing portion 134 (an example of a protruding portion) and a skin extension portion 144 provided on a wall mounting portion 32B (extension portion) are different from those of embodiment 1. Other configurations and effects may be similar to those of embodiment 1, and a description of similar configurations, effects and effects will be omitted. Note that Figs. 12 and 13 omit illustration of the configuration of the pull handle member 30 and the like.

[0049] Specifically, the base 134A of the pressing part 134 is disposed closer to the wall main body 32A than the base 34A of the first embodiment. The beam 134B extends from the base 134A toward the opposite side of the wall main body 32A (substrate main body) (i.e., toward the through hole 32C). The skin extension 144 is overlapped with the beam 134B of the pressing part 134 from the skin main body part 43 with a substantially constant thickness. The skin extension 144 is entirely attached to the wall mounting part 32B, the side of the base 134A, and the surface of the beam 134B on the outdoor side. With this configuration, the skin extension 144 can be entirely attached to the pressing part 134 without being lifted from the pressing part 134. This makes it possible to suppress the generation of a slight sticky sound (squishy sound) caused by the skin extension portion 144 peeling off or sticking at the periphery of the skin extension portion 144 that has become loose while the vehicle is traveling, and to suppress a decrease in the adhesive strength of the skin extension portion 144. In addition, since the skin extension portion 144 is firmly attached to the pressing portion 134, it can be pressed against the door inner panel 16 (door panel) over a wider area. This makes it possible to more smoothly remove static electricity accumulated in the contact portion.

[0050] <Other embodiments> The technology disclosed herein is not limited to those disclosed in the above embodiments, and for example, the following aspects are also included in the scope of the technology disclosed herein. Furthermore, the technology disclosed herein can be implemented in various modified aspects without departing from its essence.

[0051] (1) In the above embodiment, the base material of the bottom body 33A of the pull handle member 30 is exposed. However, the bottom body 33A may be covered with a skin material. The skin material covering the bottom body 33A in this case may be the skin material 40 having static electricity dissipation properties, but it may also be a skin material such as an electrically insulating synthetic resin sheet (e.g., synthetic leather) or the like.

[0052] (2) In the above embodiment, the pressing portion 34 protruding toward the door inner panel 16 was provided on the wall portion 32 side of the wall portion 32 and the door inner panel 16. However, the wall portion 32 and the door inner panel 16 may have a configuration protruding toward the wall portion 32 on the door inner panel 16 side. In addition, the pressing portion 34 in the above embodiment has a configuration that faces the outside of the room as it approaches the tip and a configuration that can bend in the indoor / outdoor direction. However, the pressing portion 34 does not have to have either one or both of the configuration that faces the outside of the room as it approaches the tip and the configuration that can bend in the indoor / outdoor direction. The same applies to the case where the door inner panel 16 has a configuration that protrudes toward the wall portion 32.

[0053] (3) In the above embodiment, the vehicle interior material is exemplified by a door trim for a vehicle, but the vehicle interior material is not limited thereto. The vehicle interior material may be applied to, for example, a quarter trim having a grip for an occupant to maintain his / her posture, a ceiling interior material having an assist grip, a peeler garnish, or the like. Furthermore, the vehicle interior material is not limited to vehicle applications, and may be applied to, for example, vehicle interior materials for various vehicles such as trains and recreational vehicles as ground vehicles, airplanes and helicopters as flying vehicles, and ships and submarines as marine and underwater vehicles. [Explanation of symbols]

[0054] 12...door panel, 16...door inner panel, 16X...through hole, 20...door trim, 21...trim board, 24...door pull handle, 30...pull handle member, 31...base material, 32...wall portion, 32A...wall main body, 32B...wall mounting portion (extension portion), 34, 134...pressing portion, 34A, 134A...base portion, 34B, 134B...beam portion, 34C...locking portion, 40...skin material, 41...static removal surface layer, 42...elastic layer, 43...skin main body portion, 44, 144...skin extension portion, 44A...main extension portion, 44B...locked portion, 45...grommet, 45A...tubular portion, 45B...flange portion, 46...fastener, 47...bracket, 144...skin extension portion

Claims

1. A vehicle interior material that is attached to a metal member constituting a vehicle on the inside of the vehicle compartment and has a contact portion that is touched by an occupant, A plate-shaped substrate; A skin material covering at least a portion of the base material; Equipped with the substrate has a substrate body that forms a skeleton of the contact portion and an extension portion that extends from the substrate body toward the metal member, The skin material is a skin body portion covering the base body and constituting the contact portion; A skin extension portion that is continuous with the skin main body portion and is provided on the extension portion; In addition to providing A static electricity removing surface layer having static electricity dissipation properties is provided on at least the surface facing the metal member, When the vehicle interior material is attached to the metal member with the skin material facing the metal member, The extension portion is fixed to the metal member, The skin material has a configuration in which the static-eliminating surface layer in the skin extension portion directly contacts the metal member, the metal member and the extension portion are arranged apart from each other, and at least one of them has a protruding portion protruding toward the other, and the static eliminating surface layer and the metal member are in direct contact with each other between the protruding portion and the other portion, The extension portion includes a plate-shaped extension portion main body and a pressing portion protruding from a surface of the extension portion main body on an outer side of the vehicle cabin toward the metal member, The pressing portion includes a base portion rising from the extension portion main body and a beam portion extending from the base portion along a surface of the extension portion main body, The skin extension portion is overlapped with the beam portion.

2. The beam portion extends from the base portion toward the substrate body, The vehicle interior material according to claim 1 , wherein the skin extension portion overlaps the beam portion from an exterior side of the vehicle and is at least partially fixed to the extension portion main body.

3. The beam portion extends from the base portion toward an opposite side to the substrate body, The vehicle interior material according to claim 1 , wherein the skin extension is attached to the base material and the beam portion from an exterior side of the vehicle.

4. A vehicle interior material that is attached to a metal member constituting a vehicle on the inside of the vehicle compartment and has a contact portion that is touched by an occupant, A plate-shaped substrate; A skin material covering at least a portion of the base material; Equipped with the substrate has a substrate body that forms a skeleton of the contact portion and an extension portion that extends from the substrate body toward the metal member, The skin material is a skin body portion covering the base body and constituting the contact portion; A skin extension portion that is continuous with the skin main body portion and is provided on the extension portion; In addition to providing A static electricity removing surface layer having static electricity dissipation properties is provided on at least the surface facing the metal member, When the vehicle interior material is attached to the metal member with the skin material facing the metal member, The extension portion is fixed to the metal member, The skin material has a configuration in which the static-eliminating surface layer in the skin extension portion directly contacts the metal member, the metal member and the extension portion are arranged apart from each other, and at least one of them has a protruding portion protruding toward the other, and the static eliminating surface layer and the metal member are in direct contact with each other between the protruding portion and the other portion, the metal member and the extension portion each include an insertion hole through which a fastening member for fastening the metal member and the extension portion is inserted, a grommet is attached to the insertion hole of the metal member, the grommet including a cylindrical portion inserted into the insertion hole, and a flange portion extending from the cylindrical portion toward a radially outward direction of the insertion hole on a surface of the metal member facing an inner side of a vehicle cabin, the extension portion includes a pressing portion protruding toward the metal member in the vicinity of the insertion hole, The protruding height of the pressing portion is smaller than a thickness dimension of the flange portion along the interior / exterior direction of the vehicle, The vehicle interior material is configured so that the sum of the protruding height of the pressing portion and the thickness of the skin material is greater than the thickness dimension of the flange portion along the interior / exterior direction of the vehicle.

5. The metal member includes a metal base material and an insulating coating film applied to an interior surface of the metal base material, The vehicle interior material according to any one of claims 1 to 4, wherein the skin material is configured to come into contact with the metal member at a portion where the coating film is provided.

6. The skin material is a static-dissipating surface layer having static electricity dissipation properties; an elastic layer that is integrally disposed on a back surface of the static eliminating surface layer that faces the substrate, and has elasticity; The vehicle interior material according to any one of claims 1 to 5, having a laminated structure comprising:

7. The vehicle interior material according to claim 6 , wherein the elastic layer includes a foamed resin.

8. The vehicle interior material according to any one of claims 1 to 7, wherein the antistatic surface layer includes at least one of a synthetic resin sheet, a cloth, a nonwoven fabric, and a knitted fabric, which includes a conductive fiber.

9. The vehicle interior material is a door trim that is attached to the interior side of a metal door panel that constitutes a vehicle door, The vehicle interior material according to any one of claims 1 to 8, wherein the contact portion is a pull handle member that constitutes a door pull handle.

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