Vehicle interior materials

Abstract

To provide a vehicle interior material which enables easy attachment of a skin material to a base material and enables an engagement member to be attached to the base material flatly.SOLUTION: A vehicle interior material 10 includes: a base material 11 provided at the vehicle inner side of a panel of a vehicle body; a skin material 12 which covers the base material from the vehicle inner side; and an engagement member 40 for attaching the skin material to the base material. A vehicle inner part 14 of the base material is formed with a first groove 20 and a second groove 18 which is formed around the first groove and shallower than the first groove. The engagement member has: a plate part 42 which is coupled to a vehicle outer surface of the skin material and received by the second groove; and an engagement part 43 which protrudes from the plate part and is inserted into the first groove to be engaged with the first groove. A vehicle inner surface of the plate part is flush with a vehicle inner surface of the base material.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to an interior material for vehicles.

Background Art

[0002] In order to decorate the interior of a vehicle cabin, an interior material for a vehicle in which a decorative skin material is attached to a base material is known (for example, Patent Document 1). In this interior material for a vehicle, the skin material is attached to the base material by pushing an engaging member to which the skin material is coupled into a groove provided in the base material.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] In the interior material of Patent Document Ⅰ, the engaging member pushed into the groove protrudes from the surface of the base material. Therefore, by providing a thick cushion pad between the skin material and the base material, the surface of the skin material is made flat. However, when the thickness between the skin material and the base material is unnecessary, etc., the protruding portion of the engaging member becomes an obstacle, and there is a problem that the appearance is not preferable.

[0005] In view of the above background, an object of the present invention is to facilitate the attachment of a skin material to a base material and enable the engaging member to be attached flat to the base material in an interior material for a vehicle.

Means for Solving the Problems

[0006] To solve the above problems, one aspect of the present invention provides an interior material (10) for a vehicle, comprising a base material (11) provided on the interior side of a vehicle body panel, a surface material (12) covering the base material from the interior side, and an engaging member (40) for attaching the surface material to the base material, wherein the interior side portion (14) of the base material has a first groove (20) and a second groove (18) formed around the first groove and shallower than the first groove, and the engaging member has a plate portion (42) coupled to the exterior side of the surface material and received in the second groove, and a locking portion (43) protruding from the plate portion and inserted into the first groove and locked in the first groove, and the interior side surface of the plate portion is flush with the interior side of the base material.

[0007] According to this embodiment, the surface material can be attached to the base material by pressing in the engaging member. Therefore, the attachment of the surface material to the base material can be made easier. In addition, since the interior side surface of the plate portion is flush with the interior side surface of the base material, the engaging member can be attached flat to the base material.

[0008] In the above embodiment, the skin material has a first skin portion (51) and a second skin portion (52) that overlaps with the first skin portion to form an overlapping portion (53), and the first skin portion and the second skin portion are preferably sutured to the plate portion at the overlapping portion.

[0009] According to this embodiment, the two skin portions can be attached to the locking member by suture.

[0010] In the above embodiment, the second skin portion is preferably positioned on the interior side of the vehicle than the first skin portion, and is folded back on the exterior side at the overlapping portion.

[0011] According to this embodiment, the ends of the first and second outer layers are not visible from the inside of the vehicle. Therefore, the aesthetic appearance of the vehicle interior can be enhanced.

[0012] In the above embodiment, the locking portion is preferably positioned offset from the plate portion towards the first skin portion.

[0013] In this embodiment, the area of ​​the plate portion on the second surface portion side becomes larger, allowing the surface material to be easily sutured to the plate portion. In addition, since the locking portion is positioned offset from the plate portion, the mounting direction of the engaging member is easy to understand.

[0014] In the above embodiment, the first groove may have a retaining portion (31) for locking the locking portion.

[0015] According to this embodiment, the engaging member can be securely locked to the base material. Therefore, the surface material can be securely attached to the base material.

[0016] In the above embodiment, the first groove has receiving portions (27, 28) that protrude from the base material outward and cover the locking portion, and the first groove has an open region (26) in which a first hole (30) facing the locking portion is provided in the receiving portion, and a closed region (25) that does not have the first hole, and the thickness of the receiving portion in the closed region is preferably thinner than the thickness of the locking portion.

[0017] In this embodiment, the receiving portion is formed to be thin. Therefore, the receiving portion is easily flexible when the locking portion is inserted into the first groove. Thus, the engaging member can be easily attached to the base material.

[0018] In the above embodiment, the retaining portion is preferably provided at a position corresponding to the opening area.

[0019] In this embodiment, compared to the case where a retaining portion is provided throughout the entire base material, the attachment of the engaging member becomes easier. Therefore, work efficiency is improved.

[0020] In the above aspect, the base material includes a plate-shaped curved plate portion (15) having a bulging surface that bulges toward the vehicle interior side. The curved plate portion defines the outer edge of the bulging surface and has an arcuate edge portion (55) that is arcuate in side view. The skin material is arranged to cover the bulging surface from the vehicle interior side. At a position corresponding to the arcuate edge portion of the skin material, an elastic wire (56) extending along the arcuate edge portion is provided on the outer surface of the curved plate portion on the vehicle exterior side. The elastic wire may elastically abut against the outer surface of the curved plate portion on the vehicle exterior side and latch the skin material to the arcuate edge portion.

[0021] According to this aspect, the outer edge portion of the skin material can be easily attached to the base material.

[0022] In the above aspect, the interior trim material may form an armrest (5) of a vehicle door (1), and a plurality of engaging members may be arranged along the longitudinal direction of the armrest.

[0023] According to this aspect, it is possible to provide an armrest provided with an interior trim material that facilitates the attachment of the skin material to the base material and enables the engaging member to be attached flat to the base material. Further, since a plurality of engaging members are provided, the skin material can be securely attached even when the base material is large.

Effect of the Invention

[0024] In order to solve the above problems, one aspect of the present invention includes a base material (11) provided on the vehicle interior side of a vehicle body panel, a skin material (12) covering the base material from the vehicle interior side, and an engaging member (40) for attaching the skin material to the base material. On the vehicle interior side portion (14) of the base material, a first groove (20) and a second groove (18) formed around the first groove and shallower than the first groove are formed. The engaging member has a plate portion (42) coupled to the outer surface of the skin material on the vehicle exterior side and received in the second groove, and a locking portion (43) protruding from the plate portion and inserted into and locked to the first groove. The interior side surface of the plate portion provides a vehicle interior trim material (10) that is flush with the vehicle interior side portion of the base material.

[0025] According to this aspect, by pushing the engaging member, the skin material can be attached to the base material. Therefore, the attachment of the skin material to the base material can be facilitated. Further, since the inner side surface of the plate portion is flush with the inner side portion of the base material, the engaging member can be attached to the base material flatly.

[0026] In the above aspect, the skin material may have a first skin portion (51) and a second skin portion (52) that overlaps with the first skin portion to form an overlapping portion (53), and the first skin portion and the second skin portion may be sewn to the plate portion at the overlapping portion.

[0027] According to this aspect, the two skin portions can be attached to the locking member by sewing.

[0028] In the above aspect, the second skin portion may be disposed closer to the inside of the vehicle than the first skin portion and may be folded back to the outside of the vehicle at the overlapping portion.

[0029] According to this aspect, the end portions of the first skin portion and the second skin portion are not visible from the inside of the vehicle. Therefore, the aesthetics inside the vehicle compartment can be enhanced.

[0030] In the above aspect, the locking portion may be disposed offset to the first skin portion side with respect to the plate portion.

[0031] According to this aspect, since the region on the second skin portion side of the plate portion becomes larger, the skin material can be easily sewn to the plate portion. Further, since the locking portion is disposed offset with respect to the plate portion, the attachment direction of the engaging member is easy to understand.

[0032] In the above aspect, the first groove may have a retaining portion (31) for retaining the locking portion.

[0033] According to this aspect, the engaging member can be securely locked to the base material. Therefore, the skin material can be securely attached to the base material.

[0034] In the above embodiment, the first groove has receiving portions (27, 28) that protrude from the base material outward and cover the locking portion, and the first groove has an open region (26) in which a first hole (30) facing the locking portion is provided in the receiving portion, and a closed region (25) that does not have the first hole, and the thickness of the receiving portion in the closed region is preferably thinner than the thickness of the locking portion.

[0035] In this embodiment, the receiving portion is formed to be thin. Therefore, the receiving portion is easily flexible when the locking portion is inserted into the first groove. Thus, the engaging member can be easily attached to the base material.

[0036] In the above embodiment, the retaining portion is preferably provided at a position corresponding to the opening area.

[0037] In this embodiment, compared to the case where a retaining portion is provided throughout the entire base material, the attachment of the engaging member becomes easier. Therefore, work efficiency is improved.

[0038] In the above embodiment, the base material includes a plate-shaped curved plate portion (15) having a bulging surface that bulges inward towards the vehicle interior, the curved plate portion has an arc-shaped edge portion (55) that defines the outer edge of the bulging surface and is arc-shaped in side view, the surface material is arranged to cover the bulging surface from the vehicle interior, and a resilient wire (56) is provided on the vehicle exterior surface of the curved plate portion at a position corresponding to the arc-shaped edge portion of the surface material, extending along the arc-shaped edge portion, the resilient wire elastically contacts the vehicle exterior surface of the curved plate portion and hooks the surface material onto the arc-shaped edge portion.

[0039] According to this embodiment, the outer edge portion of the surface material can be easily attached to the base material.

[0040] In the above embodiment, the interior material constitutes the armrest (5) of the vehicle door (1), and the engaging members are preferably arranged in multiple quantities along the longitudinal direction of the armrest.

[0041] According to this embodiment, it is possible to provide an armrest equipped with an interior material that facilitates the attachment of the surface material to the base material and allows the engaging members to be attached flat to the base material. Furthermore, since multiple engaging members are provided, the surface material can be securely attached even when the base material is large. [Brief explanation of the drawing]

[0042] [Figure 1] Front view of a vehicle door equipped with interior material according to the embodiment. [Figure 2] Cross-section of interior materials [Figure 3] A schematic perspective view showing the outer surface of the vehicle's exterior. [Figure 4] Figure 3, section IV-IV [Figure 5] VV section view in Figure 3 [Figure 6] A diagram showing how the surface material is attached to the rear of the base material. [Modes for carrying out the invention]

[0043] Hereinafter, with reference to the drawings, an embodiment will be described in which the interior material 10 according to the present invention is applied to an armrest 5 provided on a vehicle door 1 of an automobile. In the following description, the up-down, front-back, and left-right directions will be defined with respect to the direction of travel of the vehicle, but the present invention is not limited thereto.

[0044] Figure 1 is a front view of a vehicle door 1 located on the right side of a vehicle. The vehicle door 1 comprises a door panel 2 as a structural member and a door trim 3 provided to cover the interior surface of the door panel 2. The door panel 2 has an inner panel and an outer panel formed from steel plate. The inner panel and the outer panel are joined to the outer panel at the front edge, lower edge, and rear edge, excluding the upper edge, forming a space in the center.

[0045] The door trim 3 is formed from a resin material. The door trim 3 has a trim body portion 3A whose surface faces left and right and is positioned on the interior side of the door panel 2, and a trim edge wall portion 3B that protrudes from the periphery of the trim body portion 3A toward the door panel 2 and abuts against the edge of the interior surface of the door panel 2. The trim edge wall portion 3B extends along the periphery of the trim body portion 3A.

[0046] A door handle 4 for opening and closing the door is provided at the top of the trim body 3A. A speaker 6 may be provided at the front lower part of the trim body 3A. In addition, a pocket portion that bulges inward towards the vehicle interior may be provided at the lower part of the trim body 3A located behind the speaker 6.

[0047] As shown in Figures 1 and 2, an armrest 5 is attached to the middle of the in-vehicle side surface of the trim body 3A in the vertical direction. The armrest 5 is provided to extend in the front-to-back direction. The armrest 5 has a base material 11 that forms its outer shell and a surface material 12 that covers the base material 11.

[0048] The base material 11 is formed from a resin material. The base material 11 is connected to the trim body 3A by screws or the like. The base material 11 has an upper part 13 connected to the trim body 3A, an interior part 14, and a rear part 15.

[0049] The upper part 13 is a plate-shaped member that protrudes inward from the trim body 3A and has an upward-facing surface. The upper part 13 can support the occupant's forearm. The interior part 14 is connected to the upper part 13. The interior part 14 is a plate-shaped member that is bent relative to the upper part 13 and has an inward-facing and downward-facing surface. The upper part 13 and the interior part 14 are smoothly connected to the trim body 3A at their front ends. The upper part 13 and the interior part 14 are connected at their rear ends by a rear part 15 (curved plate part). The rear part 15 is a plate-shaped member that has a bulging surface that protrudes inward from the trim body. The interior part 14 has shallow grooves 18 and deep grooves 20 formed therein.

[0050] The shallow groove 18 (second groove) is a groove that extends in the front-rear direction. The shallow groove 18 is recessed so as to open to the inside of the vehicle. The shallow groove 18 has a second bottom portion 22 that forms its bottom surface and upper and lower second wall portions 23 connected to the second bottom portion 22. The second bottom portion 22 has a flat surface facing the inside of the vehicle. The upper and lower second wall portions 23 rise vertically from the upper and lower ends of the second bottom portion 22 toward the inside of the vehicle, respectively. The upper and lower second wall portions 23 each have surfaces facing upward and downward. The upper and lower second wall portions 23 are each connected to the inside part 14 of the vehicle. A deep groove 20 (first groove) extending in the front-rear direction is recessed in the second bottom portion 22.

[0051] Figure 3 is a schematic perspective view showing the interior portion 14 of the vehicle facing the exterior. The deep groove 20 has a closed region 25 and an open region 26. The closed region 25 and the open region 26 are arranged alternately along the direction in which the deep groove 20 extends.

[0052] As shown in Figures 3 to 5, the closed region 25 refers to the region where the bottom portion of the deep groove 20 is completely covered. In the closed region 25, the deep groove 20 has a first bottom portion 27 that constitutes its bottom surface. The first bottom portion 27 has a flat surface facing inward. One end of each of the two first wall portions 28 is connected to the first bottom portion 27. The first wall portions 28 rise vertically from the ends of the first bottom portion 27. The other ends of the first wall portions 28 are connected to the second bottom portion 22. The first wall portions 28 have surfaces that face each other.

[0053] The open region 26 refers to the region where the bottom portion of the deep groove 20 is not covered (i.e., open). In the open region 26, the deep groove 20 does not have a first bottom portion 27. A first hole 30 is formed at the bottom of the deep groove 20. The first hole 30 is a hole that penetrates in the vehicle width direction. The first hole 30 is defined by two first wall portions 28 extending vertically from the second bottom portion 22 and the first bottom portions 27 of two adjacent closed regions 25. The first wall portions 28 in the open region 26 are connected to the first wall portions 28 in the adjacent closed regions 25. In the open region 26, each of the two first wall portions 28 has a retaining portion 31 formed therein.

[0054] The retaining portion 31 is a projection that protrudes from the first wall portion 28 on the surface defining the deep groove 20. The retaining portions 31 are provided at positions that face each other in the vertical direction of the vehicle. That is, in the portion where the retaining portion 31 is provided, the vertical dimension of the deep groove 20 is smaller than in the portion where the retaining portion 31 is not provided.

[0055] A stepped portion 33 is formed on the outer surface of the interior portion 14. The stepped portion 33 has a surface that extends perpendicularly to the outside from the outer surface of the interior portion 14. The stepped portion 33 connects the outer surface of the interior portion 14 to the outer surface of the second bottom portion 22.

[0056] As shown in Figure 2, the deep groove 20 is positioned offset downward from the shallow groove 18. That is, the formation of the deep groove 20 makes the vertical dimension of the second bottom portion 22 above the deep groove 20 larger than the vertical dimension of the second bottom portion 22 below the deep groove 20. The depth of the deep groove 20 is shallower than the depth of the shallow groove 18. The longitudinal length of the deep groove 20 is preferably the same as the longitudinal length of the shallow groove 18. Multiple shallow grooves 18 and deep grooves 20 are preferably provided along the longitudinal direction of the vehicle. Engaging members 40 are fitted into the shallow grooves 18 and deep grooves 20.

[0057] The engaging member 40 is a member for attaching the surface material 12 to the base material 11. The engaging member 40 is made of a synthetic resin such as polypropylene or polycarbonate. The engaging member 40 is fitted into the shallow groove 18 and the deep groove 20 from the outside of the vehicle. The engaging member 40 has a plate portion 42 and a locking portion 43 protruding from the plate portion 42.

[0058] The plate portion 42 fits into the shallow groove 18. In the fitted state, the inner surface of the plate portion 42 is flush with the inner surface of the inner surface of the inner surface 14. A locking portion 43 is connected to the outer surface of the plate portion 42.

[0059] As shown in Figures 4 and 5, the locking portion 43 fits into the deep groove 20. In the fitted state, the locking portion 43 is received by the first bottom portion 27 and the first wall portion 28 in the closed region 25. The locking portion 43 is received by the first wall portion 28 in the open region 26. That is, the first bottom portion 27 and the first wall portion 28 constitute receiving portions (27, 28) that receive the locking portion 43.

[0060] The locking portion 43 is a member that forms a roughly hexagon when viewed in the front-rear direction. The locking portion 43 is composed of a base portion 44, a central portion 45, and a tip portion 46. The base portion 44 is connected to the plate portion 42. The central portion 45 is connected to the base portion 44. The tip portion 46 is connected to the central portion 45. In the closed region 25, the central portion 45 abuts against the first wall portion 28. In the open region 26, the central portion 45 is locked into the retaining portion 31. The central portion 45 may have engaging claws that are locked into the retaining portion 31. The vertical dimension of the central portion 45 is greater than the vertical dimension of the base portion 44. The vertical dimension of the central portion 45 is greater than the vertical dimension of the tip portion 46. The tip portion 46 has a surface facing outwards from the vehicle. In other words, the tip portion 46 faces the inward-facing surface of the first bottom portion 27 in the closed region 25. In the closed region 25, the length of the locking portion 43 from the base portion 44 to the tip portion 46 (i.e., the length of the locking portion 43 in the vehicle width direction) is smaller than the thickness of the first bottom portion 27 in the vehicle width direction.

[0061] As shown in Figure 2, the locking portion 43 is positioned offset downward relative to the plate portion 42. That is, the plate portion 42 has different vertical lengths in the region above the locking portion 43 and the region below the locking portion 43. The upper region of the plate portion 42 is longer in the vertical dimension than the lower region of the plate portion 42. In the upper region, the surface material 12 is sewn to the in-vehicle side surface of the plate portion 42.

[0062] The surface material 12 is a decorative member for decorating the interior of a vehicle. The surface material 12 is made from a seat material such as genuine leather, synthetic leather, or resin sheet. The surface material 12 has a first surface portion 51 and a second surface portion 52 connected to the first surface portion 51. The first surface portion 51 and the second surface portion 52 may have the same decoration, or they may have different decorations such as different colors, patterns, or materials. That is, the first surface portion 51 and the second surface portion 52 may be made from the same sheet, or they may be made from different sheets.

[0063] The first skin portion 51 covers a part of the interior side portion 14 of the base material 11. The second skin portion 52 covers the upper part 13 of the base material 11 and a part of the interior side portion 14. The first skin portion 51 and the second skin portion 52 overlap at their respective ends to form an overlapping portion 53. In the overlapping portion 53, the first skin portion 51 is positioned further inward than the second skin portion 52. The end of the second skin portion 52 is folded back outward. The skin material 12 is sewn to the engaging member 40 in the overlapping portion 53. This connects the upper end of the first skin portion 51 and the lower end of the second skin portion 52.

[0064] Figure 6 shows the rear end of the first skin portion 51 attached to the rear portion 15. The first skin portion 51 covers the rear portion 15 at the lower rear end of the armrest 5 (shown in Figure 1). The rear portion 15 has an arc-shaped edge portion 55 that forms an arc when viewed in the front-rear direction. The arc-shaped edge portion 55 defines the outer edge of the rear portion 15. The rear end of the first skin portion 51 extends from the inside to the outside of the vehicle and covers the arc-shaped edge portion 55. A resilient wire 56 is provided on the outer surface of the rear portion 15 at a position corresponding to the arc-shaped edge portion 55 on the first skin portion 51.

[0065] The resilient wire 56 is an elastic metal component. The resilient wire 56 extends along the arc-shaped edge 55. The resilient wire 56 is supported within the first skin portion 51 by the first skin portion 51 being folded back outwards. The end of the first skin portion 51 is sewn in such a way that it wraps around the resilient wire 56. The resilient wire 56 elastically contacts the outer surface of the rear portion 15 via the first skin portion 51. The contact of the resilient wire 56 causes the rear end of the first skin portion 51 to be hooked onto the rear portion 15.

[0066] As described above with reference to Figure 6, the rear end of the first skin portion 51 has been explained, but the configuration of attaching the skin material 12 to the base material 11 using elastic wires 56 is the same for the front end and the upper rear end of the armrest 5. That is, the rear end of the second skin portion 52 and the front ends of the first skin portion 51 and the second skin portion 52 are also attached to the base material 11 using elastic wires 56 in the same manner.

[0067] Furthermore, the lower end of the first skin portion 51 and both ends of the second skin portion 52 may be attached to the base material 11 by methods such as heat sealing or ultrasonic welding. Multiple locking members (not shown) are sewn to the outer edges of the upper portion 13 and the interior portion 14 on the interior surface. The locking members may be made of hot melt film or trim cord film. The locking members may have the same material composition as the base material 11.

[0068] Next, the assembly method of the interior material 10 according to this embodiment will be described. First, the first surface portion 51 and the second surface portion 52 to be attached to the base material 11 and the engaging member 40 are prepared. Next, one end (i.e., the upper end) of the first surface portion 51 is placed on the plate portion 42 of the engaging member 40. At this time, the first surface portion 51 is positioned so that its end overlaps the upper area of ​​the plate portion 42.

[0069] Specifically, the engaging member 40 is positioned such that the end of the plate portion 42 that is further from the connection point with the locking portion 43 faces upward. The first skin portion 51 is positioned from below such that its upper end overlaps the upper region of the plate portion 42. In this way, the first skin portion 51 is positioned relative to the engaging member 40.

[0070] Next, one end (i.e., the lower end) of the prepared second skin portion 52 is folded back. Then, the second skin portion 52 is placed on the first skin portion 51 so that the folded portion is sandwiched between the remaining portion of the second skin portion 52 and the first skin portion 51. This creates an overlapping portion 53 where the upper end of the first skin portion 51 and the lower end of the second skin portion 52 overlap. Next, the overlapping portion 53 and the plate portion 42 are sutured together. This connects the skin material 12 and the engaging member 40.

[0071] Next, the engaging member 40 is attached to the base material 11. First, the plate portion 42 is fitted into the shallow groove 18 provided on the interior side portion 14 of the base material 11. At this time, it is preferable to press the upper end of the plate portion 42 (i.e., the side where the overlapping portion 53 is located) against the upper second wall portion 23 of the shallow groove 18 and push the lower end of the plate portion 42 into the shallow groove 18.

[0072] Next, the locking portion 43 is pushed into the deep groove 20 by pushing the plate portion 42 from the inside to the outside of the vehicle. Since the deep groove 20 is provided with a retaining portion 31 in the opening area 26, the worker should firmly push the engaging member 40 against the base material 11 in the opening area 26. This locks the locking portion 43 into the retaining portion 31 and engages the engaging member 40 with the base material 11. By repeating the above process and attaching multiple engaging members 40 to the corresponding deep grooves 20 and shallow grooves 18, the first surface portion 51 and the second surface portion 52 are attached to the base material 11 on the inside side 14.

[0073] Next, the rear end of the skin material 12 is attached to the base material 11. First, the elastic wire 56 is attached to the rear end of the skin material 12, which is formed by the rear end of the first skin portion 51 and the rear end of the second skin portion 52. Specifically, the elastic wire 56 is positioned on the outside of the rear end of the skin material 12. At this time, it is preferable that the elastic wire 56 be positioned so as to extend along the rear end of the skin material 12. Subsequently, the rear end of the skin material 12 is folded back to the outside of the vehicle, and the elastic wire 56 is wound from the outside to the inside of the vehicle. The folded portion is sewn to the corresponding inside portion of the skin material 12. As a result, the elastic wire 56 is contained and supported within the folded portion of the skin material 12.

[0074] Subsequently, the rear end of the skin material 12, on which the resilient wire 56 is supported, is positioned along the rear 15 of the base material 11. Specifically, the rear end of the skin material 12 covers the arc-shaped edge 55 that defines the outer edge of the rear 15. The worker folds the rear end of the skin material 12, which has covered the arc-shaped edge 55, from the outside of the vehicle towards the inside.

[0075] The elastic wire 56, supported at the rear end of the skin material 12, elastically contacts the outer surface of the rear 15. This secures the rear end of the skin material 12 to the outer surface of the rear 15. As a result, the skin material 12 is attached to the base material 11 at the rear 15. Next, the front end of the skin material 12 is attached to the base material 11. The assembly method for the front end of the skin material 12 is the same as for the rear end, so a description is omitted.

[0076] Next, the lower end of the surface material 12 (i.e., the lower end of the first surface portion 51) is attached to the base material 11. First, the lower end of the first surface portion 51 is folded back so as to cover the outer edge of the interior portion 14 of the base material 11. This positions the folded portion of the first surface portion 51 so as to overlap the exterior surface of the outer edge of the interior portion 14. At this time, the worker positions the folded portion of the first surface portion 51 on the locking member (hot melt film) provided on the exterior surface of the outer edge of the interior portion 14. Subsequently, heating is applied from above the folded portion of the first surface portion 51. This melts the hot melt film, attaching the first surface portion 51 to the base material 11. By repeating the above process for multiple locking members, the first surface portion 51 is attached to the base material 11 on the interior portion 14. The assembly method for the upper end of the outer skin material 12 (i.e., the upper end of the second outer skin portion 52) is the same as for the lower end of the outer skin material 12, so no explanation is provided.

[0077] The interior material 10 constituting the armrest 5 according to this embodiment is assembled as described above. The assembly order described above is not limited to the present invention and may be rearranged as appropriate. For example, the front end and rear end of the outer material 12 may be attached first. Similarly, the upper end and lower end of the outer material 12 may be attached first. The resilient wire 56 may also be sewn to the outer material 12 in advance.

[0078] The effects of the vehicle interior material 10 according to this embodiment will be described below. The interior material 10 comprises a base material 11, a surface material 12, and an engaging member 40. The base material 11 is provided on the interior side of the vehicle body panel. The surface material 12 covers the base material 11 from the interior side. The surface material 12 is attached to the base material 11 by the engaging member 40. A deep groove 20 (first groove) and a shallow groove 18 (second groove) formed around the deep groove 20 are formed on the interior surface of the base material 11. The depth of the shallow groove 18 is shallower than the depth of the deep groove 20. The engaging member 40 has a plate portion 42 and a locking portion 43 protruding from the plate portion 42. The plate portion 42 is coupled to the exterior surface of the surface material 12 and is received in the shallow groove 18. The locking portion 43 is inserted into the deep groove 20 and locked within the deep groove 20. The interior surface of the plate portion 42 is flush with the interior surface of the base material 11. This allows the surface material 12 to be attached to the base material 11 by pressing the engaging member 40 into the deep groove 20 and the shallow groove 18. Thus, the attachment of the surface material 12 to the base material 11 is made easy. Furthermore, because the interior surface of the plate portion 42 is flush with the interior surface of the base material 11, the engaging member 40 can be attached flat to the base material 11. Therefore, when viewed from the inside of the vehicle, no unintended steps or unevenness occur on the surface of the interior material 10.

[0079] The skin material 12 has a first skin portion 51 and a second skin portion 52. The first skin portion 51 and the second skin portion 52 overlap to form an overlapping portion 53. The skin material 12 is sutured to the plate portion 42 at the overlapping portion 53. Since the plate portion 42 is a plate-like member that is thinner than the locking portion 43, it is easy to attach the two skin materials 12 to the engaging member 40 by suture.

[0080] The second surface portion 52 is positioned on the interior side of the vehicle than the first surface portion 51. Furthermore, the second surface portion 52 is folded back on the exterior side at the overlapping portion 53. Because the second surface portion 52 is positioned on the interior side, when viewed from the interior side, the end of the first surface portion 51 is covered by the second surface portion 52. Because the second surface portion 52 is folded back on the exterior side, the end of the second surface portion 52 is not visible from the interior side. Also, because the second surface portion 52 is folded back at the overlapping portion 53, the folded portion is sewn to the plate portion 42 together with the first surface portion 51. Therefore, the folded end of the second surface portion 52 is not exposed on the interior side. This enhances the aesthetic appearance of the vehicle interior.

[0081] The locking portion 43 is positioned offset downward (i.e., toward the first skin portion 51) relative to the plate portion 42. This allows the area above the locking portion 43 (i.e., toward the second skin portion 52) of the plate portion 42 to be larger than the area below the locking portion 43 (i.e., toward the first skin portion 51). Therefore, it becomes easier to sew the skin material 12 to the plate portion 42. Furthermore, this configuration results in the engagement member 40 being formed in an asymmetrical shape. Therefore, the mounting direction of the skin material 12 becomes easier to understand, especially when the same or similar material sheets are used for the first skin portion 51 and the second skin portion 52. Thus, workability is improved.

[0082] The deep groove 20 has a retaining portion 31 for engaging the locking portion 43. As a result, when the engaging member 40 is pushed into the base material 11, the locking portion 43 is engaged with the retaining portion 31. Therefore, the engaging member 40 can be securely engaged with the base material 11. Thus, the surface material 12 can be securely attached to the base material 11.

[0083] The deep groove 20 has upper and lower first wall portions 28 extending from the base material 11 to the outside of the vehicle, and a first bottom portion 27 connecting the upper and lower first wall portions 28. The first bottom portion 27 and the first wall portions 28 constitute a receiving portion (27, 28). The receiving portion (27, 28) covers the locking portion 43 inserted into the deep groove 20 from the outside of the vehicle. The deep groove 20 has an open region 26 and a closed region 25. In the open region 26, the receiving portion (27, 28) has a first hole 30 facing the locking portion 43. In the closed region 25, the receiving portion (27, 28) does not have the first hole 30. Furthermore, the thickness of the first bottom portion 27 is formed to be thinner than the thickness of the locking portion 43. As a result, the first bottom portion 27 is easily flexible when the locking portion 43 is inserted into the deep groove 20. Therefore, the engaging member 40 can be easily attached to the base material 11.

[0084] The retaining portion 31 is provided at a position corresponding to the opening region 26. In the opening region 26, the receiving portions (27, 28) are provided with the first hole 30. Therefore, when the locking portion 43 is inserted into the deep groove 20, the receiving portions (27, 28) are more flexible. Thus, it becomes easier to lock the locking portion 43 into the retaining portion 31. Furthermore, compared to the case where the retaining portion 31 is provided across both the opening region 26 and the closed region 25, it becomes easier to attach the engaging member 40. Thus, workability is improved.

[0085] The base material 11 includes a plate-shaped rear portion 15 with a bulging surface that protrudes inward towards the vehicle. The rear portion 15 defines the outer edge of the bulging surface and has an arc-shaped edge portion 55 that forms an arc when viewed from the side. The surface material 12 is positioned to cover the bulging surface from the inside of the vehicle. At a position corresponding to the rear portion 15 of the surface material 12, a resilient wire 56 is provided on the outer surface of the rear portion 15, extending along the arc-shaped edge portion 55. The resilient wire 56 elastically contacts the outer surface of the curved plate portion, securing the surface material 12 to the arc-shaped edge portion 55. As a result, the outer edge portion of the surface material 12 is attached to the base material 11 by the resilient wire 56. Therefore, installation is easy.

[0086] The interior material 10 constitutes the armrest 5 of the vehicle door 1, and multiple engaging members 40 are arranged along the longitudinal direction of the armrest 5. This facilitates the attachment of the surface material 12 to the base material 11 and provides an armrest 5 equipped with an interior material 10 that allows the engaging members 40 to be attached flat to the base material 11. Furthermore, because multiple engaging members 40 are provided, the surface material 12 can be reliably attached even when the area of ​​the base material 11 to which the surface material 12 is to be attached is large.

[0087] A stepped portion 33 is formed on the outer surface of the inner portion 14. This increases the strength of the base material 11, so there is no risk of the base material 11 being damaged when attaching the engaging member 40.

[0088] Furthermore, at least a portion of the resilient wire 56 is aligned with the engaging member 40 in the vertical, horizontal, and vertical directions when viewed from the front-to-back direction. This allows the resilient wire 56 to be arranged compactly. Thus, the interior material 10 as a whole can be constructed compactly.

[0089] Furthermore, the locking member has the same material composition as the base material 11. This allows the surface material 12 to be stably fixed to the base material 11, regardless of the type of surface material 12.

[0090] In the above embodiment, the interior material 10 constituted an armrest 5, but it is not limited to this. For example, the interior material 10 may constitute a door trim 3, or a console box or the like placed inside the vehicle. The interior material 10 may also constitute a side cover provided on the side of the seat cushion of a vehicle seat. Furthermore, the interior material 10 may constitute the vehicle seat itself. [Explanation of symbols]

[0091] 1: Vehicle door 5: Armrest 10: Interior materials 11: Base material 12:Skin material 15: Curved plate section 18:Second groove 20: 1st groove 25: Closed area 26:Aperture area 27: Receptor part 28: Receptor part 30: 1st hole 31: Retaining part 40: Engaging member 42: Plate section 43: Locking part 51 :1st epidermal part 52:Second epidermis 53: Duplicate section 55: Arc-shaped edge 56: Revolving wire

Claims

1. Interior materials for vehicles, A base material provided on the interior side of the vehicle body panel, A surface material that covers the aforementioned substrate from the inside of the vehicle, The surface material has an engaging member for attaching it to the base material, On the inner surface of the substrate, a first groove and a second groove formed around the first groove and shallower than the first groove are formed. The engaging member has a plate portion that is coupled to the outer surface of the surface material and received in the second groove, and a locking portion that protrudes from the plate portion, is inserted into the first groove, and is locked in the first groove. The interior side surface of the plate portion is flush with the interior side surface of the base material. An interior material in which the locking portion and the plate portion are integrally formed.

2. An interior material for a vehicle, A base material provided on the interior side of the vehicle body panel, A surface material that covers the aforementioned substrate from the inside of the vehicle, The surface material has an engaging member for attaching it to the base material, On the inner surface of the substrate, a first groove and a second groove formed around the first groove and shallower than the first groove are formed. The engaging member has a plate portion that is coupled to the outer surface of the surface material and received in the second groove, and a locking portion that protrudes from the plate portion, is inserted into the first groove, and is locked in the first groove. The interior side surface of the plate portion is flush with the interior side surface of the base material. The surface material has a first surface portion and a second surface portion that overlaps with the first surface portion to form an overlapping portion. The first and second outer layers are interior materials sewn to the plate portion at the overlapping portion.

3. The interior material according to claim 2, wherein the second surface portion is positioned on the interior side of the vehicle than the first surface portion and is folded back on the exterior side at the overlapping portion.

4. The interior material according to claim 3, wherein the locking portion is positioned offset from the plate portion toward the first surface portion.

5. An interior material for a vehicle, A base material provided on the interior side of the vehicle body panel, A surface material that covers the aforementioned substrate from the inside of the vehicle, The surface material has an engaging member for attaching it to the base material, On the inner surface of the substrate, a first groove and a second groove formed around the first groove and shallower than the first groove are formed. The engaging member has a plate portion that is coupled to the outer surface of the surface material and received in the second groove, and a locking portion that protrudes from the plate portion, is inserted into the first groove, and is locked in the first groove. The interior side surface of the plate portion is flush with the interior side surface of the base material. The aforementioned surface material is an interior material sewn to the plate portion.

6. An interior material for a vehicle, A base material provided on the interior side of the vehicle body panel, A surface material that covers the aforementioned substrate from the inside of the vehicle, The surface material has an engaging member for attaching it to the base material, On the inner surface of the substrate, a first groove and a second groove formed around the first groove and shallower than the first groove are formed. The engaging member has a plate portion that is coupled to the outer surface of the surface material and received in the second groove, and a locking portion that protrudes from the plate portion, is inserted into the first groove, and is locked in the first groove. The interior side surface of the plate portion is flush with the interior side surface of the base material. An interior material having openings without a bottom provided at predetermined intervals in the first groove.

7. The interior material according to any one of Claims 1 to 6, wherein each of the opposing wall portions of the first groove has a retaining portion that protrudes from the wall portion, and the locking portion is locked by being inserted into the first groove, overcoming the pair of retaining portions.

8. An interior material for a vehicle, A base material provided on the interior side of the vehicle body panel, A surface material that covers the aforementioned substrate from the inside of the vehicle, The surface material has an engaging member for attaching it to the base material, On the inner surface of the substrate, a first groove and a second groove formed around the first groove and shallower than the first groove are formed. The engaging member has a plate portion that is coupled to the outer surface of the surface material and received in the second groove, and a locking portion that protrudes from the plate portion, is inserted into the first groove, and is locked in the first groove. The interior side surface of the plate portion is flush with the interior side surface of the base material. The aforementioned base material includes a plate-shaped curved plate portion having a bulging surface that protrudes inward towards the vehicle interior. The curved plate portion defines the outer edge of the bulging surface and has an arc-shaped edge portion that forms an arc when viewed from the side. The aforementioned surface material is arranged to cover the bulging surface from the inside of the vehicle. At a position corresponding to the arc-shaped edge of the surface material, a resilient wire extending along the arc-shaped edge is provided on the outer surface of the curved plate portion, The elastic wire elastically contacts the outer surface of the curved plate portion, and the interior material hooks the surface material onto the arc-shaped edge.

9. The aforementioned interior material constitutes the armrest of the vehicle door. The interior material according to claim 4, wherein the engaging members are arranged in a plurality along the longitudinal direction of the armrest.

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