JP2016168892A - Superposition composite component - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily attach a surface layer material to a base material through an engaging projection part.SOLUTION: A locking member 44 is provided in an opening 42 provided in a base material 20 through an integral hinge 48, since a gate-shaped projection part 40 provided in a surface layer part 26 is inserted into the opening 42 to be locked by the locking member 44, the gate-shaped projection part 40 can easily be inserted to be locked by the locking member 44 by providing the larger opening 42, and attachment work for attaching a cushioning material 24 to the base material 20 through the gate-shaped projection part 40 can easily be performed. Also, since the gate-shaped projection part 40 can be locked by the locking member 44 by turning the locking member 44 with the gate-shaped projection part 40 projecting to the rear side of the base material 20, the locking member 44 can be inserted into an engagement hole 46 of the gate-shaped projection part 40 for locking while the gate-shaped projection part 40 to be projected from the opening 42 to the rear side of the base material 20 is visually confirmed, and the attachment work is facilitated also in this respect.SELECTED DRAWING: Figure 11

Description

  The present invention relates to a laminated composite part, and more particularly to an improvement in a mounting structure for attaching a surface material to a base material.

  (a) having a plate-like base material and a surface layer material superimposed on the base material with an elastically deformable cushion layer interposed therebetween; (b) projecting toward the base material on the back surface of the surface layer material An overlapped composite component is known in which an engagement protrusion is provided and the engagement protrusion passes through the cushion layer and is locked to the base material, whereby the surface material is attached to the base material. It has been. The superimposed composite component described in Patent Document 1 is an example, and an engagement protrusion is inserted into an attachment hole provided in the base material and is locked so that it cannot be pulled out (detached). Moreover, in patent document 2, an arrowhead-shaped clip is used as an engaging protrusion, and it is locked so that it cannot be pulled out by being inserted into a mounting hole provided in a base material (automobile panel). Yes.

JP 2014-104658 A Japanese Utility Model Publication No. 63-148549

  However, in such a conventional mounting structure, since the engaging protrusion is inserted into the mounting hole for mounting, there is a problem that the mounting work is difficult and takes time. That is, the engagement protrusion is projected on the back surface of the surface layer material, and the base material exists on the back surface side, so that the engagement protrusion cannot be inserted into the mounting hole while visually confirming the engagement protrusion. Since the surface layer material is made of a relatively soft material, there is a possibility that the engaging protrusion is deformed.

  The present invention has been made against the background of the above circumstances, and the object of the present invention is to allow the surface material to be easily attached to the base material via the engagement protrusion provided on the back surface. There is to do.

  In order to achieve such an object, the first invention comprises (a) a plate-like base material, and a surface layer material superimposed on the base material with an elastically deformable cushion layer interposed therebetween, and (b) An engagement protrusion that protrudes toward the base material is provided on the back surface of the surface layer material, and the engagement protrusion protrudes through the cushion layer and is locked to the base material. In the laminated composite part attached to the base material, (c) the base material has a through-hole shaped opening, and a locking member is arranged in the opening. (B) The engaging protrusion is inserted into the opening and locked to the locking member.

  According to a second aspect of the present invention, in the overlapped composite component according to the first aspect, (a) the locking member is connected to a peripheral edge of the opening of the base material via an integral hinge and is directed toward the back side of the base material. Between the retracted position protruding and the locking position protruding into the opening, and (b) the locking member is in the state where the engaging protrusion is inserted into the opening. By rotating from the retracted position to the locking position, the engagement protrusion is held in a state of being locked by the locking member.

  According to a third aspect of the present invention, in the overlapped composite part of the second aspect, (a) when the locking member is rotated from the retracted position to the locking position, the locking member is moved from the locking position. Further, a contact portion that prevents rotation to the opposite side to the retracted position is provided in association with both the locking member and the base material, while (b) the base material has the above-mentioned When the locking member is rotated from the retracted position to the locking position, the locking member is elastically engaged with the locking member so that the locking member returns to the retracted position side and rotates. A holding part for blocking is provided.

  A fourth invention is the overlapped composite part of the first invention, wherein (a) the locking member is a plate-like member separate from the base material, and the assembly position within the opening from the back side of the base material On the other hand, (b) on the outer peripheral portion of the locking member, an engagement protrusion to be inserted into an engagement hole provided in the engagement protrusion is provided so as to protrude outward. (c) In the state where the surface layer material is disposed on the base material with the cushion layer sandwiched therebetween so that the engaging protrusion protrudes from the opening to the back side of the base material, A holding mechanism that mechanically holds the locking member in the assembled position based on elastic deformation by inserting the locking member into the assembled position in the opening so as to be inserted into the opening; It is provided in relation to both the locking member and the base material.

  According to a fifth aspect of the present invention, in the overlapped composite component of the fourth aspect, (a) when the locking member is inserted from the back side of the base material to the assembly position, the locking member is moved to the surface material side. While the contact portion for preventing the penetration is provided in relation to both the locking member and the base material, (b) the base member has the locking member from the back side of the base material. When inserted into the assembly position in the opening, there is a holding portion that is elastically engaged with the locking member to prevent the locking member from being released to the back side of the base material. (C) The holding mechanism is configured to include the abutting portion and the holding portion.

  The sixth invention is the overlapped composite part of the fourth invention or the fifth invention, wherein (a) the engagement protrusion is a plate-like protrusion provided in a longitudinal plate shape along the back surface of the surface layer material, (B) A plurality of the engaging holes are provided in the pair of plate-like projecting portions, spaced apart in the longitudinal direction of the plate-like projecting portions, respectively. (C) the locking member is disposed between the pair of plate-like projecting portions, and the engagement protrusions are respectively formed on the pair of side end portions of the locking member. A plurality of holes are provided corresponding to the holes, and are inserted into the engagement holes of the pair of plate-like protrusions.

  In such an overlaid composite part, a locking member is arranged in an opening provided in the base material, and the engaging protrusion is inserted into the opening and locked to the locking member. Therefore, by providing a large opening, the engagement protrusion can be easily inserted into the opening and locked to the locking member. It is possible to easily perform the attaching operation to be attached to. Since the engagement protrusion protrudes from the opening to the back side of the base material, it is possible to engage the engagement member while visually confirming the engagement protrusion when the engagement member is disposed in the opening. This also facilitates the mounting operation.

  In addition, since it is sufficient that the engaging protrusion can be locked to the locking member so as not to be pulled out, if the engaging protruding portion is locked so as to be pushed into the base material side, the surface layer material is elastic in a direction approaching the base material. It can be deformed, and a soft tactile sensation (soft feeling) by the cushion layer can be ensured in the mounting portion provided with the engagement protrusion as well as other portions. That is, in the techniques described in Patent Documents 1 and 2, since the engaging protrusion is integrally fixed to the base material, there is a possibility that the soft tactile sensation by the cushion layer may be impaired due to the presence of the engaging protrusion. is there.

  In the second invention, since the locking member is connected to the base member via the integral hinge so as to be rotatable between the retracted position and the locking position, the locking member is prevented from being displaced and the component is The number of points is reduced, the attachment work of the surface layer material is further facilitated, and the base material and the locking member can be formed with a single mold, thereby reducing the manufacturing cost.

  In the third aspect of the invention, since the locking member rotated from the retracted position to the locking position is mechanically held at the locking position by the contact portion and the holding portion, the surface layer material can be attached more easily. At the same time, the engagement protrusion is appropriately locked to the base material via the locking member, and the surface layer material is prevented from shifting when a tensile load is applied in a direction along the surface layer material.

  In the fourth invention, the locking member is a plate-like member separate from the base material, and the engagement protrusion provided on the outer peripheral portion of the locking member is inserted into the engagement hole of the engagement protrusion. Since the engaging protrusion is locked to the engaging protrusion, the engaging protrusion can be locked to the engaging protrusion of the locking member while visually confirming the engaging protrusion, and the locking member When inserted into the assembly position, it is mechanically held at the assembly position by the holding mechanism, so that the surface layer material can be easily attached. In addition, since the engagement protrusion of the locking member is inserted into the engagement hole of the engagement protrusion, the engagement protrusion can be reliably locked to prevent the engagement protrusion from being removed, and the size of the engagement hole can be prevented. By appropriately determining the thickness, it is possible to elastically deform the surface layer material in a direction approaching the substrate while pushing the engagement protrusion toward the substrate, and in the mounting portion provided with the engagement protrusion. As with the other portions, a soft tactile sensation can be ensured by the cushion layer. Moreover, since the engaging protrusion is appropriately locked to the base material via the locking member by holding the locking member in the assembled position, a tensile load is applied in the direction along the surface layer material. In this case, the surface layer material is prevented from shifting.

  In the fifth aspect of the invention, the contact portion that prevents the locking member inserted relatively to the assembly position within the opening of the base material from penetrating to the surface layer material side, and the locking member inserted to the assembly position Since the holding mechanism is configured to have the holding portion that prevents the rear side from being detached, the holding mechanism can be configured easily and inexpensively.

  In the sixth invention, the engagement protrusions are long plate-like protrusions provided along the back surface of the surface layer material, and are provided as a pair spaced apart from each other so as to be arranged in parallel. A plurality of engagement holes are provided apart from each other in the longitudinal direction, while a plurality of engagement protrusions are provided at a pair of side end portions of the locking member, and are inserted into the engagement holes. Therefore, the surface layer material can be attached so that it does not float from the base material in a wide range.For example, even in a laminated composite part having a concave curved portion that is curved in a direction in which the surface layer material is recessed, the surface layer material is concave. It can be attached appropriately so as to be curved following the curved shape.

It is the schematic front view which looked at the vehicle door which has the armrest component which is one Example of this invention from the design surface side (vehicle interior side). It is a longitudinal cross-sectional view of the II-II arrow part in FIG. 1, ie, an armrest part. FIG. 3 is a longitudinal sectional view showing a further enlarged view of a portion III in FIG. 2, that is, a concave curved portion of an armrest part, and is a sectional view of a portion corresponding to a portion taken along the line III-III in FIG. It is the perspective view which looked at the part by which the gate-shaped protrusion part provided in the cushion material in FIG. 3 was latched by the latching member from the base-material side. It is the perspective view which showed the cushion material of armrest components independently. It is the perspective view which looked at the part by which the latching member was provided in the base material of the armrest part from the back side. It is sectional drawing of the VII-VII arrow part in FIG. It is a longitudinal cross-sectional view explaining the deformation | transformation state of a cushion material when the press load F is applied to a concave curved part, and is sectional drawing of the part corresponding to FIG. It is a perspective view explaining the procedure at the time of attaching a cushion material to a base material. It is a longitudinal cross-sectional view explaining the process of making both approach so that the portal type protrusion part of a cushion material may be inserted in opening of a base material according to the arrow A of FIG. 9, and is sectional drawing of the part corresponding to FIG. FIG. 9 is a longitudinal sectional view for explaining a step of rotating the locking member provided on the base material to the locking position while passing it through the engagement hole of the gate-shaped protrusion according to the arrow B in FIG. It is sectional drawing. It is the enlarged plan view which looked at many micro processus | protrusions provided in the back surface of the surface layer part of a cushion material from the perpendicular direction. FIG. 13 is an enlarged vertical cross-sectional view taken along the line XIII-XIII in FIG. 12, and shows a bending direction with a white arrow. It is the perspective view of the microprotrusion shown in FIG. 12, and is the figure which showed the bending direction with the white arrow. It is a figure explaining the other Example of this invention, and is a perspective view corresponding to FIG. It is a figure explaining the procedure at the time of attaching a cushioning material to a base material in the Example of FIG. 15, and is a perspective view corresponding to FIG. It is a figure explaining another Example of this invention, It is a longitudinal cross-sectional view corresponding to FIG. 3, and is sectional drawing of the part corresponding to the XVII-XVII arrow part of FIG. It is the perspective view which showed independently the cushioning material of the Example of FIG. It is the perspective view which showed separately the base material and locking member of the Example of FIG. It is sectional drawing of the armrest component of the part corresponding to the XX-XX arrow part in FIG. It is a longitudinal cross-sectional view explaining the deformation | transformation state of a cushion material when the pressing load F is applied to the concave curved part in the Example of FIG. It is a longitudinal cross-sectional view explaining the procedure at the time of attaching a cushioning material to a base material in the Example of FIG. It is a figure explaining another Example of this invention, It is a longitudinal cross-sectional view corresponding to FIG. 3, and is sectional drawing of the part corresponding to the XXIII-XXIII arrow part of FIG. It is the perspective view which showed the cushion material of the Example of FIG. 23 independently. It is the perspective view which showed separately the base material and locking member of the Example of FIG. It is a longitudinal cross-sectional view explaining the procedure at the time of attaching a cushioning material to a base material in the Example of FIG. It is a figure explaining another Example of this invention, and is sectional drawing of the part corresponded to the XXVII-XXVII arrow part of FIG. It is a figure explaining another Example of this invention, and is a longitudinal cross-sectional view in case the skin is provided in the cushion material of the Example of FIG. It is a figure explaining the Example by which the cushion material is adhering to the base material side, and is a longitudinal cross-sectional view corresponding to FIG. It is a figure explaining the Example provided with the foaming material as a cushion layer, and is a longitudinal cross-sectional view corresponding to FIG.

  The present invention is applied to interior parts for vehicles such as door trims, luggage side trims, and instrument panels, and armrest parts and other ornaments attached to the interior parts. It is also possible to apply to parts. As the base material, a relatively hard synthetic resin material such as hard polyvinyl chloride, polypropylene, polyethylene, or ABS is preferably used, but it may be made of other materials such as metal. As the surface layer material, various thermoplastic resins such as soft polyvinyl chloride, styrene, olefin, and polyester are preferably used. Not only a resin material but also a woven fabric, a nonwoven fabric, a knitted fabric, or the like, or a laminated material in which a resin sheet is bonded to them may be used.

  For the elastically deformable cushion layer, foamed materials such as soft polyurethane foam and other elastic materials are used. However, a large number of elastically deformable minute protrusions and elastically deformable rib shapes (thin plate shapes) are used. Various embodiments are possible, such as providing protrusions. The microprotrusions are preferably configured to be elastically deformed in one direction, for example, and are arranged according to a predetermined arrangement pattern such as a lattice shape so that the deformation directions (falling directions) thereof are different. Such protrusions can be provided integrally on the back surface of the surface layer material, for example, but can also be provided as a separate member from the surface layer material, for example, a plate-like shape disposed so as to be in close contact with the surface layer material or the substrate. It is also possible to employ a cushion material in which a large number of protrusions are provided on the part. When the cushion material is integrally fixed to the base material, it is desirable to provide the cushion member also on the locking member.

  The base is provided with openings at the portions where the engaging protrusions are locked. However, the engaging protrusions can be provided at a plurality of locations. A plurality of openings may be provided depending on the location. The locking member disposed in the opening can be configured separately from the base material, but can also be rotatably connected via an integral hinge (a flexible thin-walled portion). is there. In addition, in a concave curved portion such as a corner portion that is curved so that the surface layer material side is concave, the surface layer material may float from the base material and loosen. Although it is desirable to lock to the base material, the present invention can also be applied to a case where an engagement protrusion is provided on a relatively flat plate-shaped portion to lock the base material.

  For example, the engagement protrusion is provided with an engagement hole, and the engagement protrusion provided on the engagement member is inserted into the engagement hole, so that the engagement protrusion is locked so as not to be pulled out. A locking head such as a T-shape or a large-diameter portion is provided at the tip of the shaft-shaped or plate-shaped engaging protrusion, and is locked to a bifurcated locking member or a pair of locking members so that they cannot be pulled out. It can also be configured as follows. As the engaging protrusion, for example, a gate-shaped protrusion having a space inside is provided, and a locking member (including an engaging protrusion protruding from the locking member) is inserted using the internal space as an engaging hole. In this case, the gate-shaped protrusion can be pushed into the base material, and a soft tactile sensation can be ensured by the cushion layer.

  The position where the locking member is disposed, that is, the locking position in the second invention and the assembly position in the fourth invention, is suitably determined so that the surface on the surface layer side is substantially flush with the base material. The soft tactile sensation can be appropriately obtained, but it is not necessarily required to be flush, and may be stepped or inclined.

  In the third aspect of the invention, the holding portion that is elastically engaged with the locking member and prevents the locking member from returning and rotating to the retracted position side causes the locking member to rotate to the locking position. For example, the locking member is elastically deformed so as to get over the holding part, but the holding part itself may be elastically deformed, or both the locking member and the holding part may be elastically deformed. May be. The same applies to the relationship between the holding portion and the locking member of the fifth invention.

  In the sixth invention, as the engaging protrusions, a pair of plate-like protrusions are provided apart from each other so as to be arranged in parallel, and a plurality of engagement holes are provided apart in the longitudinal direction. In carrying out the invention, it is possible to provide only a single plate-like protrusion, or to provide a single engagement hole in the plate-like protrusion.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the following embodiments, the drawings are appropriately simplified or modified for explanation, and the dimensional ratios, shapes, and the like of the respective parts are not necessarily drawn accurately.

  FIG. 1 is a schematic front view of a vehicle door trim 10 to which the present invention is applied as viewed from the design surface side, that is, the vehicle interior side, and FIG. 2 is an enlarged sectional view taken along the line II-II in FIG. FIG. 3 is a longitudinal sectional view of an armrest component 12 provided on the door trim 10. 3 is a cross-sectional view further enlarging the portion III in FIG. 2, that is, the concave curved portion 12r that is gently curved so as to be recessed toward the back side, and FIG. 4 shows the concave curved portion 12r on the back side. FIG. 3 is a cross-sectional view taken along the line III-III in FIG. 4. The armrest part 12 is an interior part of the vehicle and corresponds to a composite part. The armrest part 12 is fitted into a mounting hole 16 provided in the door trim body 14 from the back side (right side in FIG. 2) of the door trim body 14 and has a peripheral edge. The door trim body 14 is integrally assembled through a plurality of mounting portions 18 provided in the portion.

  The armrest component 12 includes a plate-like base material 20 that is curved three-dimensionally and a cushion material 24 that is disposed so as to be substantially parallel to the surface 22 of the base material 20. Yes. The cushion material 24 includes a plate-shaped surface layer portion 26 substantially parallel to the base material 20, and a large number of minute protrusions 28 that are scattered on the back surface 26 b of the surface layer portion 26 so as to protrude toward the base material 20 side. It is integrally formed of a relatively soft elastically deformable synthetic resin material such as soft polyvinyl chloride. In the cushion material 24, the outer peripheral end portion 32 of the surface layer portion 26 is wound around and fixed to the outer peripheral edge portion of the base material 20 in a state where the tips of the minute protrusions 28 are in close contact with the surface 22 of the base material 20. The outer peripheral terminal portion 32 is pressed against the outer peripheral edge portion of the base material 20 when the armrest part 12 is fitted into the mounting hole 16 of the door trim main body 14, and is held in a state of being in close contact with the outer peripheral edge portion. You may make it fix to the outer periphery part of the base material 20 by fixing means, such as an adhesive agent, as needed. The base material 20 is made of a synthetic resin material such as polypropylene harder than the cushion material 24, and the mounting portion 18 is provided integrally with the base material 20. Thus, the cushion material 30 is disposed between the surface layer portion 26 and the base material 20 by disposing the cushion material 24 on the base material 20 in a state where the tips of the minute protrusions 28 are in contact with the surface 22 of the base material 20. When the surface 26a of the surface layer portion 26 is formed and pressed with a finger or a hand, the soft projections are obtained by the microprojections 28 being pressed against the surface 22 and elastically deformed. In this embodiment, the surface layer portion 26 corresponds to a surface layer material, and the surface 26a of the surface layer portion 26 is a design surface.

  By the way, since the microprotrusions 28 are only in contact with the surface 22 of the base material 20, in the curved shape portion that is curved two-dimensionally or three-dimensionally so that the design surface side is concave, that is, the concave curved portion 12r, There is a possibility that the cushion material 24 is lifted from the base material 20 or the surface 26a is loosened or wrinkled. On the other hand, as shown in FIG. 3, the armrest component 12 of the present embodiment is provided with the gate-shaped protruding portion 40 so as to protrude toward the base material 20 on the back surface 26b of the surface layer portion 26 in the concave curved portion 12r. In addition, by being inserted into the opening 42 provided in the base material 20 and being locked by the locking member 44, the surface layer portion 26 is prevented from being loosened or lifted. It should be noted that the gate-shaped projecting portion 40 etc., such as a gate-shaped projecting portion 40 etc. that can be locked to the base material 20 with respect to the corner portion bent in an L shape below the concave curved portion 12 r. The location where the surface layer portion 26 is locked is appropriately determined.

  FIG. 5 is a view showing the cushion material 24 alone, and is a perspective view seen from the back surface 26b side. The back surface 26b of the concave curved portion 12r has a gate-shaped protrusion at the center in the width direction (vehicle longitudinal direction). The part 40 is provided integrally. The gate-shaped projecting portion 40 is provided so as to protrude substantially perpendicularly from the back surface 26b of the surface layer portion 26 so as to form a gate shape when viewed from above in FIG. A rectangular engagement hole 46 through which can be inserted is formed. The projecting dimension of the gate-shaped projecting portion 40 is larger than the projecting dimension of the microprojection 28, and can project to the back side of the base material 20 through the opening 42. This gate-shaped protrusion 40 corresponds to an engagement protrusion.

  On the other hand, FIG. 6 is a perspective view of a portion where the locking member 44 is provided on the base material 20 as viewed from the back side, and FIG. 7 is a cross-sectional view taken along the line VII-VII in FIG. The base material 20 is provided with a rectangular through-hole shaped opening 42 that is larger than the gate-shaped protruding portion 40 at a portion corresponding to the gate-shaped protruding portion 40, and the gate-shaped protruding portion 40 is sufficiently within the opening 42. It can be inserted with some play. Further, a locking member 44 is rotatably connected to the lower peripheral edge portion of the opening 42 via an integral hinge 48, and is directed toward the back side of the substrate 20 as shown in FIGS. As shown in FIGS. 3 and 4, the retracted position that protrudes and the locking position that protrudes into the opening 42 and is substantially flush with the surface 22 of the base member 20 are rotatable. The locking member 44 is held in the locking position in a state where the locking member 44 is inserted through the engagement hole 46 of the gate-shaped protrusion 40, so that the gate-shaped protrusion 40 cannot be pulled out from the opening 42. The cushion member 24 is fixed to the base member 20 by being locked by the stop member 44. The locking member 44 can be inserted into the engagement hole 46 of the gate-shaped protrusion 40 with sufficient play, and the gate-shaped protrusion 40 cannot be pulled out to the surface layer portion 26 side. It can be pushed and displaced toward the substrate 20 side.

  The base end portion of the locking member 44 is provided with a convex portion 50 that is prevented from rotating beyond the locking position by being brought into contact with the peripheral edge of the lower end of the opening 42. Further, the engaging member 44 is engaged with the distal end of the engaging member 44 rotated to the engaging position at the peripheral portion on the opposite side of the opening 42, that is, the upper peripheral portion, so that the engaging member 44 is on the retracted position side. A holding claw 52 is provided to prevent the return member from rotating back and the locking member 44 is positioned at the locking position in cooperation with the convex portion 50. When the locking member 44 is rotated from the retracted position to the locking position, the locking member 44 is engaged with the holding claw 52, but either or both of them are elastically deformed, whereby the locking member It is allowed to rotate 44 to the locking position, and by returning elastically at the locking position, it is engaged so as not to be able to return. The convex portion 50 corresponds to a contact portion, and the holding claw 52 corresponds to a holding portion.

  In such an armrest part 12, when a pressing load F is applied from the vehicle interior side by an elbow or a finger as shown in FIG. 8, the portal protrusion 40 is displaced to the tip side, The surface layer portion 26 can be recessed smoothly, and a predetermined tactile sensation can be obtained by elastic deformation of the peripheral minute protrusions 28. As shown in FIG. 3, the projecting dimension of the gate-shaped projecting portion 40 is determined so that the surface layer portion 26 can be overlapped substantially parallel to the base material 20 with the microprojections 28 interposed therebetween. The surface layer portion 26 can be recessed and deformed while pushing the portal protrusion 40 toward the base material 20 by the height dimension. Further, since the locking member 44 that locks the gate-shaped protruding portion 40 is held at the locking position via the convex portion 50 and the holding claw 52, it is indicated by an arrow T in FIG. Even when a tensile load is applied to the surface layer portion 26 of the cushion material 24, the locked state of the portal protrusion 40 is appropriately maintained, and the surface layer portion 26 is prevented from shifting.

  FIG. 9 is a diagram illustrating a procedure for attaching the cushion material 24 to the base material 20. First, in a state where the locking member 44 of the base material 20 is held in the retracted position, as shown by an arrow A, the cushion-type protrusion 40 of the cushion material 24 is inserted into the opening 42 of the base material 20. The material 24 is relatively superimposed on the surface 22 side of the substrate 20. FIG. 10 is a cross-sectional view of the process at this time. Since the opening 42 is sufficiently larger than the gate-shaped protrusion 40, the gate-shaped protrusion 40 can be easily combined so as to be inserted into the opening 42. Can do. It is also possible to combine the gate-shaped projecting portions 40 through the openings 42 while visually confirming them.

  Next, as shown by an arrow B in FIG. 9, the locking member 44 is rotated to the locking position, and the locking member 44 is inserted into the engagement hole 46 of the portal protrusion 40 in the rotation process. . FIG. 11 is a cross-sectional view of the process at this time. By elastically deforming the surface layer portion 26 and the gate-shaped protrusion 40 of the cushion material 24, the locking member 44 is placed in the engagement hole 46 of the gate-shaped protrusion 40. Can be inserted. Since the gate-shaped protrusion 40 protrudes from the opening 42 to the back side of the base material 20, the locking member 44 is inserted into the engagement hole 46 of the gate-shaped protrusion 40 while visually checking the gate-shaped protrusion 40. It can be inserted and locked.

  Then, by rotating the locking member 44 to the locking position, the locking member 44 is held at the locking position by the convex portion 50 and the holding claw 52, and the gate-shaped protruding portion 40 comes out to the locking member 44. Locked impossible. Further, in this state, the outer peripheral terminal portion 32 of the surface layer portion 26 is wrapped around and fixed to the outer peripheral edge portion of the base material 20, whereby the cushion material 24 is attached to the base material 20 and the armrest component 12 shown in FIG. 2 is obtained. It is done. FIGS. 10 and 11 are cross-sectional views corresponding to the mounting posture on the vehicle. In the process of FIG. 9 in which the base material 20 and the cushion material 24 are combined, for example, 90 in the left direction in FIGS. The posture of the assembling process is appropriately determined, for example, by combining the rotated posture, that is, the posture in which the cushion material 24 is on the lower side. The other embodiments are the same.

  12 to 14 are diagrams for specifically explaining an example of the minute protrusion 28. FIG. 12 is an enlarged plan view as viewed from the vertical direction with respect to the back surface 26b of the surface layer portion 26. FIG. 13 is an XIII- FIG. 14 is a perspective view of a plurality of microprotrusions 28 viewed obliquely from above. As is clear from these figures, the large number of microprotrusions 28 have the same shape, the cross section parallel to the surface layer portion 26 has a long shape, and each side of the large number of polygons is adjacent to the adjacent polygonal side. In order to form the overlapping lattice pattern 34, the side and the longitudinal direction of the cross section are provided in a posture in which each side of the polygon is substantially parallel. In this embodiment, the cross-sectional shape of the microprojections 28 is a rectangle with four rounded corners, and the longitudinal direction of the microprojections 28 is arranged so as to coincide with each side of the polygon. In addition, the lattice pattern 34 is a honeycomb pattern in which regular hexagons having a certain size are continuously repeated as polygons, as shown by a two-dot chain line in FIG. 12, and the minute projections 28 are formed at the center of each side of the regular hexagons. One for each part. As a result, the minute protrusions 28 can be arranged at a high density, and by providing the minute protrusions 28 in a fixed arrangement pattern, variation in reaction force due to the presence or absence of the minute protrusions 28 is suppressed, and a substantially uniform tactile sensation is provided. Can be obtained.

  The microprotrusions 28 also have a gently tapered shape in which the cross-sectional area decreases toward the distal end side, and as is apparent from FIG. 13, the center line S is the normal direction of the surface layer portion 26 at the proximal end portion. It is inclined from O by a predetermined inclination angle α. As a result, when the surface layer portion 26 is pressed and the tip of the minute projection 28 is pressed against the surface 22 of the base material 20, the tip is slid along the surface 22 and deformed in one direction indicated by a white arrow. Be made. That is, the microprotrusions 28 have anisotropy in the rigidity around the axis (normal direction O) perpendicular to the surface layer portion 26, and are deformed in one direction when pressed in the vertical direction. It is configured. As described above, since the large number of minute projections 28 are each bent and deformed in one direction, a substantially constant tactile sensation can be obtained stably. The inclination angle α is appropriately determined, for example, within a range of about 10 ° ≦ α ≦ 30 ° so that the microprojections 28 can be appropriately bent and deformed.

  Here, in the armrest component 12 of the present embodiment, the locking member 44 is disposed in the opening 42 provided in the base material 20, and the gate-shaped protruding portion 40 provided on the back surface 26 b of the surface layer portion 26 is Since it is inserted into the opening 42 and locked to the locking member 44, the gate-shaped protrusion 40 can be easily inserted into the opening 42 and locked to the locking member 44 by providing a large opening 42. Therefore, it is possible to easily perform an attaching operation for attaching the cushion material 24 to the base material 20 through the gate-shaped projecting portion 40.

  Further, when the gate-shaped protrusion 40 is inserted into the opening 42 and protrudes to the back side of the base material 20, the gate-shaped protrusion 40 is rotated by rotating the locking member 44 from the retracted position to the locking position. Since it is locked to the locking member 44, the locking member 44 is inserted into the engagement hole 46 of the gate-shaped protrusion 40 while visually checking the gate-shaped protrusion 40 protruding from the opening 42 to the back side of the base material 20. Thus, the mounting operation can be facilitated.

  Further, it is only necessary that the gate-shaped protrusion 40 can be locked to the locking member 44 so that it cannot be pulled out, and the locking member 44 is inserted into the engagement hole 46 of the gate-shaped protrusion 40 with play. As shown in FIG. 8, it is possible to elastically deform the surface layer portion 26 in a direction approaching the base material 20 while pushing the gate-type protrusion 40 toward the base material 20, and the mounting provided with the gate-type protrusion 40. Also in the portion, the soft tactile sensation by the cushion layer 30 can be ensured as in the other portions.

  Further, since the locking member 44 is connected to the base member 20 via the integral hinge 48 so as to be rotatable between the retracted position and the locking position, the locking member 44 is prevented from being displaced. The number of parts is reduced, the work of attaching the cushion material 24 is further facilitated, and the base material 20 and the locking member 44 can be formed with a single mold, thereby reducing the manufacturing cost.

  Further, since the locking member 44 rotated from the retracted position to the locking position is mechanically held at the locking position by the convex portion 50 and the holding claw 52, the mounting work of the cushion material 24 is further facilitated. When the gate-shaped projecting portion 40 is appropriately locked to the base material 20 via the locking member 44, for example, when a tensile load T is applied to the surface layer portion 26 of the cushion material 24 as shown in FIG. It is possible to prevent the surface layer portion 26 from moving and shifting.

  Further, in the concave curved portion 12r that is bent so that the surface layer portion 26 side is concave, the cushion material 24 is lifted from the base material 20 and the surface layer portion 26 is easily loosened. However, the gate-shaped protrusion 40 is provided on the concave curved portion 12r. Since the base material 20 is locked, loosening of the surface layer portion 26 is appropriately prevented.

  Next, another embodiment of the present invention will be described. In the following embodiments, parts that are substantially the same as those in the above embodiments are denoted by the same reference numerals, and detailed description thereof is omitted.

  15 is a perspective view corresponding to FIG. 4, and FIG. 16 is a perspective view corresponding to FIG. The armrest component 60 is provided with a T-shaped projecting portion 62 having a T-shape as an engaging projecting portion as compared with the above-described embodiment, and a locking member 64 and a holding claw 66 at the peripheral portion of the opening 42. Is different in that two sets are provided. The T-shaped protruding portion 62 provided on the back surface 26b of the surface layer portion 26 includes a protruding shaft portion 62a protruding substantially perpendicularly from the back surface 26b, and a locking head provided so as to be orthogonal to the tip of the protruding shaft portion 62a. 62b. The two sets of the locking member 64 and the holding claw 66 are configured in the same manner as the locking member 44 and the holding claw 52 of the above embodiment, but are provided in parallel with a separation dimension through which the protruding shaft portion 62a can be inserted. The T-shaped protruding portion 62 is locked so as not to be pulled out by being engaged with a locking head portion 62b protruding to both sides from the protruding shaft portion 62a. The two locking members 64 are connected to each other via a connecting portion 68 at an intermediate portion thereof, and can be rotated substantially integrally via an integral hinge 48.

  Also in this armrest component 60, first, as shown by an arrow A in FIG. 16, the cushion material 24 is made of the base material so that the T-shaped protrusion 62 of the cushion material 24 is inserted into the opening 42 of the base material 20. 20, the two locking members 64 are rotated from the retracted position to the locked position as indicated by an arrow B, and the T-shaped protrusions are rotated in the rotating process. The locking head 62 b of 62 is locked to the two locking members 64. For example, the two locking members 64 are inserted below the locking head 62b by elastically deforming the T-shaped protruding portion 62 by twisting it by 90 ° around the axis of the protruding shaft portion 62a. The locking head 62 b can be locked to the locking member 64. Then, by rotating the locking member 64 to the locking position, the locking member 64 is held at the locking position by the holding claw 66 and the convex portion 50, and the T-shaped protrusion 62 is locked to the locking member 64. It is locked so that it cannot be pulled out.

  Also in this embodiment, since the T-shaped protrusion 62 provided on the back surface 26b of the surface layer portion 26 is inserted into the opening 42 and locked to the locking member 64, by providing the large opening 42, The T-shaped protrusion 62 can be easily inserted into the opening 42, and the T-shaped protrusion protrudes from the opening 42 to the back side of the base material 20 when the locking member 64 is rotated from the retracted position to the locked position. Since the locking head portion 62b can be locked to the locking member 64 while visually confirming the portion 62, the mounting work for attaching the cushion material 24 to the base material 20 via the T-shaped protruding portion 62 is facilitated. It is possible to obtain the same effects as those of the above-described embodiment, for example.

  In the armrest component 70 of FIG. 17, the locking member 72 is configured separately from the base member 20 as compared with the embodiment of FIG. The difference is that it is provided on the back surface 26b. The basic shape of the armrest component 70 is the same as that of the armrest component 12 and is provided with a concave curved portion 70r. FIG. 17 is a longitudinal sectional view of the vicinity of the concave curved portion 70r, corresponding to FIG. 18 is a perspective view showing the cushion member 24 alone, FIG. 19 is a perspective view showing the base member 20 and the locking member 72, and FIG. 17 is a portion corresponding to the XVII-XVII arrow portion of FIG. 4 is a cross-sectional view of an armrest component 70. FIG. 20 is a cross-sectional view of a portion of the armrest component 70 corresponding to the portion indicated by the arrow XX-XX in FIG.

  As is clear from FIG. 18, a long plate-like plate-like projecting portion 74 that is long in the width direction (vehicle longitudinal direction) is integrally provided along the back surface 26 b on the back surface 26 b of the surface layer portion 26 of the cushion material 24. Yes. The plate-like projecting portion 74 is provided with a plurality (two in the embodiment) of engagement holes 76 spaced apart in the longitudinal direction, that is, the width direction of the cushion material 24. The engagement hole 76 is provided so as to reach the back surface 26b of the surface layer portion 26 in the same manner as the engagement hole 46 of the above-described embodiment, and is longer than the height dimension of the minute protrusion 28, and is based on the plate-like protrusion 74. The surface layer portion 26 can be recessed and deformed by the height dimension of the minute protrusion 28 while being pushed toward the material 20 side. The plate-like protrusion 74 corresponds to an engagement protrusion.

  FIG. 19A is a perspective view of the base material 20, and FIG. 19B is a perspective view of a plate-like locking member 72 configured separately from the base material 20. The base material 20 is provided with a horizontally long through-hole shaped opening 78 into which the plate-like protrusion 74 can be inserted with play, and the locking member 72 has substantially the same width as the opening 78. It has a longitudinal shape, and can be inserted into the opening 78 from the back side of the substrate 20 and disposed at the assembly position. The assembling position is a position where the locking member 72 is substantially flush with the surface 22 of the base material 20, and on both sides of the locking member 72, as shown in FIG. By being brought into contact with each other, a pair of contact portions 80 for preventing the locking member 72 from penetrating to the surface 22 side and positioning at the assembly position are provided so as to protrude to the side. The locking member 72 has a substantially rectangular shape, and at its lower end portion, two engaging protrusions 82 are provided so as to protrude downward corresponding to the two engaging holes 76, and the engaging protrusions 82 are engaged. By being inserted into the joint hole 76, the plate-like projecting portion 74 is locked to the locking member 72 so that it cannot be pulled out.

  Two pocket-shaped receiving portions 84 are provided at the lower end edge of the opening 78 in correspondence with the engaging protrusions 82, and the distal end portions of the engaging protrusions 82 are inserted into the receiving portions 84. This reliably prevents the plate-like protruding portion 74 from coming out of the engaging protrusion 82 and prevents the lower end portion of the locking member 72 from being detached to the back side of the base member 20. The upper end edge of the opening 78 is engaged with the upper end edge of the locking member 72 inserted into the assembly position in the opening 78 from the back side of the base material 20, so that the locking member 72 is attached to the base material 20. A holding claw 86 is provided to prevent separation from the back side. When the locking member 72 is inserted into the opening 78 from the back side of the base material 20, the locking member 72 is engaged with the holding claw 86, but either or both of them are elastically deformed, The stop member 72 is allowed to be inserted to the assembly position, and the locking member 72 is prevented from being detached to the back side of the substrate 20 by elastically returning to the assembly position. The holding claw 86 corresponds to a holding portion, and the holding claw 86, the receiving portion 84, and the abutting portion 80 constitute a holding mechanism that mechanically holds the locking member 72 at the assembly position.

  Such an armrest component 70 can elastically deform the surface layer portion 26 in a direction approaching the base material 20 while pushing the plate-like protrusion 74 toward the base material 20 as shown in FIG. Even in the attachment portion provided with the protruding portion 74, the soft tactile sensation by the cushion layer 30 can be ensured as in the other portions. Further, since the locking member 72 that locks the plate-like protruding portion 74 is held in the assembled position by the contact portion 80, the receiving portion 84, and the holding claw 86, it is shown in FIG. Even when the tensile load T is applied to the surface layer portion 26, the latching state of the plate-like projecting portion 74 is appropriately maintained, and the surface layer portion 26 is prevented from shifting.

  FIG. 22 is a diagram for explaining a procedure for assembling the cushion material 24 to the base material 20. First, as shown in FIG. 22A, the plate-like protrusion 74 is inserted into the opening 78 of the base material 20. The cushion material 24 is superposed on the surface 22 side of the base material 20. Since the opening 78 that is sufficiently larger than the plate-like protrusion 74 can be provided, the plate-like protrusion 74 can be easily combined so as to be inserted into the opening 78. It is also possible to combine them while visually confirming the plate-like protrusion 74 through the opening 78. Next, as shown in (b), the locking member 72 is inserted from the back side of the base material 20 into the assembly position in the opening 78, and the engaging protrusion 82 of the locking member 72 is projected in a plate-like manner during the insertion process. It is inserted into the engagement hole 76 of the part 74. Specifically, first, the lower end portion of the locking member 72 is inserted into the opening 78, and the surface layer portion 26 and the plate-like protruding portion 74 of the cushion material 24 are elastically deformed to engage in the engagement hole 76. The mating protrusion 82 is inserted. Then, with the tip of the engaging protrusion 82 inserted into the receiving portion 84, the upper side of the locking member 72 is pushed into the opening 78 as indicated by the arrow C, thereby assembling at the assembly position in the opening 78. be able to. Since the plate-like protrusion 74 protrudes to the back side of the base material 20, the engagement protrusion 82 of the locking member 72 is inserted into the engagement hole 76 of the plate-like protrusion 74 while visually checking the plate-like protrusion 74. Can be inserted and locked.

  Also in this embodiment, since the plate-like protrusion 74 provided on the back surface 26b of the surface layer portion 26 is inserted into the opening 78 and locked to the locking member 72, by providing a large opening 78, The plate-like projecting portion 74 can be easily inserted into the opening 78, and protrudes from the opening 78 to the back side of the base material 20 when the locking member 72 is inserted from the back side of the base material 20 to the assembly position in the opening 76. Since the engagement protrusion 82 can be inserted into the engagement hole 76 while visually checking the plate-like protrusion 74, the attachment work for attaching the cushion material 24 to the base material 20 via the plate-like protrusion 74 is easy. The same effects as those of the above embodiment can be obtained.

  When the locking member 72 is inserted into the assembly position in the opening 78, the locking member 72 is mechanically held at the assembly position by the contact portion 80, the receiving portion 84, and the holding claw 86. Therefore, the mounting operation of the cushion material 24 is further facilitated, and the plate-like protrusion 74 is appropriately locked to the base material 20 via the locking member 72. For example, as shown in FIG. When the tensile load T is applied to the surface layer portion 26, the surface layer portion 26 is prevented from shifting.

  Further, by appropriately determining the size of the engagement hole 76, the surface layer portion 26 is elastic in the direction approaching the substrate 20 while pushing the plate-like protrusion 74 toward the substrate 20 as shown in FIG. It can be deformed, and a soft tactile sensation by the cushion layer 30 can be ensured in the mounting portion provided with the plate-like protrusion 74 as well as other portions.

  Further, the contact portion 80 that prevents the locking member 72 inserted relatively to the assembly position in the opening 78 of the base material 20 from penetrating to the surface 22 side, and the locking member inserted to the assembly position Since the holding mechanism which has the receiving part 84 and the holding nail | claw 86 which prevent 72 from detaching | removing to the back side and hold | maintains the locking member 72 in the assembly position in the opening 78 is comprised, The mechanism can be configured easily and inexpensively.

  Further, in this embodiment, since the locking member 72 is formed separately from the base material 20, the locking member 44 is connected to the base material 20 via the linear integral hinge 48. Compared to the above, the degree of freedom of the shape of the base material 20 and further the degree of freedom of the shape of the armrest part 70 are increased.

  The armrest component 90 of FIG. 23 is provided with a plate-like protrusion 92 in parallel with the plate-like protrusion 74 as compared with the armrest component 70 of FIG. The main difference is that it is locked to a single locking member 94. The basic shape of the armrest component 90 is the same as that of the armrest component 12 and is provided with a concave curved portion 90r. FIG. 23 is a longitudinal sectional view of the vicinity of the concave curved portion 90r, corresponding to FIG. 24 is a perspective view showing the cushion material 24 alone, FIG. 25 is a perspective view showing the base member 20 and the locking member 94, and FIG. 23 is a portion corresponding to the portion indicated by arrows XXIII-XXIII in FIG. 4 is a cross-sectional view of an armrest component 90. FIG.

  As is clear from FIG. 24, a plate-like protrusion 92 is provided on the back surface 26 b of the surface layer portion 26 of the cushion material 24 so as to be spaced apart upward so as to be arranged in parallel with the plate-like protrusion 74. In this embodiment, a pair of plate-like projecting portions 74 and 92 are provided substantially in parallel, and the plate-like projecting portions 74 and 92 have engaging holes 76 and 96 in the longitudinal direction, that is, the cushion material 24. Three are provided apart from each other in the width direction. The plate-like projecting portions 74 and 92 both correspond to engaging projecting portions.

  FIG. 25A is a perspective view of the base material 20, and FIG. 25B is a perspective view of a plate-like locking member 94 configured separately from the base material 20. The locking member 94 is disposed between the pair of plate-like projecting portions 74 and 92 and is assembled at an assembly position in the opening 78 of the base member 20. 92 is locked so that it cannot be pulled out. An engaging projection 82 projects downward from the lower end of the locking member 94 in the same manner as the locking member 72 and is inserted into an engagement hole 76 provided in the plate-like protruding portion 74. In this embodiment, three engagement protrusions 82 are also provided corresponding to the engagement holes 76. Three receiving portions 84 are also provided on the lower edge of the opening 78 of the base material 20 in correspondence with the engaging protrusions 82.

  At the upper end of the locking member 94, three engaging protrusions 98 project upwardly symmetrically with the engaging protrusion 82, and are inserted into the engaging holes 96 provided in the plate-like protrusion 92. It has become so. Three rectangular notches 100 into which the engagement protrusions 98 can be inserted are provided at the upper end edge of the opening 78 of the base material 20 in correspondence with the engagement protrusions 98, and the locking member 94 is the surface of the base material 20. It can be inserted into the assembly position that is substantially flush with the other. Further, the notches 100 are provided with holding claws 102 having the same cross-sectional shape as the holding claws 86, and are engaged with the tips of the engaging protrusions 98, whereby the locking members 94 are assembled. It is supposed to hold on. The holding claw 102 corresponds to a holding portion, and constitutes a holding mechanism together with the receiving portion 82 and the contact portion 80. In the present embodiment, two abutment portions 80 are provided separately in the vertical direction.

  FIG. 26 is a view for explaining the procedure for assembling the cushion material 24 to the base material 20. First, as shown in FIG. 26A, the plate-like protrusions 74 and 92 are inserted into the opening 78 of the base material 20. In this manner, the cushion material 24 is superposed on the surface 22 side of the substrate 20. Since the opening 78 sufficiently larger than the plate-like projecting portions 74 and 92 can be provided, the plate-like projecting portions 74 and 92 can be easily combined so as to be inserted into the opening 78. It is also possible to combine the plate-like protrusions 74 and 92 through the opening 78 while visually confirming them. Next, as shown in (b), the lower end portion of the locking member 94 is inserted into the opening 78, and the surface layer portion 26 and the plate-like protruding portion 74 of the cushion material 24 are elastically deformed to engage with each other. The engaging protrusion 82 is inserted into the hole 76. Then, with the tip of the engaging protrusion 82 inserted into the receiving portion 84, the upper side of the locking member 94 is rotated toward the opening 78 as indicated by the arrow D in FIG. The surface layer portion 26 and the plate-like protruding portion 92 of the cushion material 24 are elastically deformed, the engaging protrusion 98 is inserted into the engaging hole 96, and the locking member 94 is pushed into the opening 78 as it is to the assembly position. Assemble. Since each of the plate-like protrusions 74 and 92 protrudes from the opening 78 to the back side of the base material 20, the engagement protrusions 82 and 98 of the locking member 94 are confirmed while visually checking the plate-like protrusions 74 and 92. Can be inserted into the engagement holes 76 and 96 of the plate-like protrusions 74 and 92 and locked.

  Also in this embodiment, the same effect as that of the armrest component 70 of FIG. 17 can be obtained. In addition, in the present embodiment, the pair of plate-like projecting portions 74 and 92 are provided so as to be vertically separated so as to be arranged in parallel, and the plate-like projecting portions 74 and 92 are separated in the longitudinal direction. While a plurality of engagement holes 76 and 96 are provided, a plurality of engagement protrusions 82 and 98 are provided at both upper and lower ends of the locking member 94 so as to be inserted into the engagement holes 76 and 96, respectively. Therefore, the surface layer portion 26 is locked so as not to float from the base material 20 in a wide range, and the cushion material 24 is appropriately attached so as to be curved following the concave curved shape of the concave curved portion 90r.

  FIG. 27 is a modification of the armrest component 70 of FIG. 17 and is a cross-sectional view corresponding to the cross-section taken along the line XXVII-XXVII in FIG. 17, and the width dimension w of the engagement hole 76 provided in the plate-like protrusion 74. Is sufficiently larger than the engaging protrusion 82 of the locking member 72. In this way, the plate-like protrusion 74 is allowed to be relatively displaced in the width direction with respect to the base material 20, and the plate-like protrusion 74 together with the surface layer portion 26 thermally expands or contracts in the width direction. In this case, it is possible to prevent the surface layer portion 26 from being wavy or stretched due to the engagement between the engagement holes 76 and the engagement protrusions 82 due to the difference in thermal expansion and contraction from the base material 20. Is done. 27A shows a state at a normal temperature, and FIG. 27B shows a state in which the plate-like protrusion 74 is thermally expanded in the width direction together with the surface layer portion 26 at a high temperature.

  The armrest component 110 of FIG. 28 has a case in which a skin 112 such as a woven fabric, a nonwoven fabric, or a soft synthetic resin material is provided on the surface 26a side of the surface layer portion 26 of the cushion material 24 as compared with the embodiment of FIG. It is. The skin 112 can be molded and fixed integrally with the cushion material 24 by insert molding, for example, but can also be molded separately from the cushion material 24 and fixed with an adhesive or the like. Similarly, in other embodiments, it is possible to provide the skin 112 on the surface layer portion 26 of the cushion material 24.

  The armrest component 120 of FIG. 29 is provided with a cushion material 122 provided with a large number of minute projections 28 in the opposite direction as compared with the embodiment of FIG. When the skin 124 is attached as a surface material so as to be in close contact with the skin, a gate-shaped protrusion 126 similar to the gate-shaped protrusion 40 is provided on the back surface of the skin 124 as an engagement protrusion, and the locking Locked to the member 44. The cushion material 122 is a flat plate-like portion 128 fixed to the surface 22 of the base material 20, and a large number of minute projections 28 are integrally provided, and functions as a cushion layer. A cushion material 123 configured similarly to the cushion material 122 is also fixed to the locking member 44. Other embodiments can be similarly configured using the cushion materials 122 and 123 and the skin 124.

  The armrest component 130 of FIG. 30 is a case where a foam material 132 such as a flexible polyurethane foam is used instead of the cushion materials 122 and 123, as compared with the embodiment of FIG. Function. The foam material 132 can be fixed to, for example, the back surface of the skin 124, but can be separately fixed to the base material 20 and the locking member 44 in the same manner as the cushion materials 122 and 123. Other embodiments can be similarly configured using the foam material 132 and the skin 124.

  As mentioned above, although the Example of this invention was described in detail based on drawing, these are one Embodiment to the last, This invention is implemented in the aspect which added the various change and improvement based on the knowledge of those skilled in the art. be able to.

  12, 60, 70, 90, 110, 120, 130: armrest parts (overlapping composite parts) 12r, 70r, 90r: concave curved part 20: base material 24: cushion material 26: surface layer part (surface layer material) 30: cushion Layers 40, 126: Gate-shaped protrusions (engaging protrusions) 42, 78: Openings 44, 64, 72, 94: Locking members 48: Integral hinges 50: Convex parts (contact parts) 52, 66: Holding Claw (holding part) 62: T-shaped protruding part (engaging protruding part) 74, 92: Plate-like protruding part (engaging protruding part) 76, 96: Engaging hole 80: Abutting part (holding mechanism) 82, 98: Engagement protrusion 84: Receiving part (holding mechanism) 86, 102: Holding claw (holding part, holding mechanism) 122, 123: Cushion material (cushion layer) 124: Skin (surface layer material) 132 Foam (cushion layer)

Claims (6)

It has a plate-like base material and a surface layer material that is superimposed on the base material with an elastically deformable cushion layer interposed therebetween, and an engagement protrusion that protrudes toward the base material is provided on the back surface of the surface layer material In the overlapped composite part in which the surface layer material is attached to the base material by the engagement protrusion passing through the cushion layer and being locked to the base material,
The substrate is provided with a through-hole shaped opening, and a locking member is arranged in the opening.
The overlapped composite component, wherein the engagement protrusion is inserted into the opening and locked to the locking member. The locking member is connected to the peripheral edge of the opening of the base material via an integral hinge, and rotates between a retracted position protruding toward the back side of the base material and a locking position protruding into the opening. It is possible to move,
With the engagement protrusion inserted into the opening, the engagement member is rotated from the retracted position to the engagement position, whereby the engagement protrusion is engaged with the engagement member. The superposed composite part according to claim 1, wherein the superposed composite part is held in a pressed state. When the locking member is rotated from the retracted position to the locking position, the contact portion prevents the locking member from rotating from the locking position to the side opposite to the retracted position. Is provided in association with both the locking member and the substrate,
The base member is elastically engaged with the engaging member when the engaging member is rotated from the retracted position to the engaging position, whereby the engaging member is moved to the retracted position side. The overlapping composite component according to claim 2, further comprising a holding portion that prevents the rotation from returning to the top. The locking member is a plate-like member separate from the base material, and is inserted into the assembly position in the opening from the back side of the base material,
On the outer peripheral portion of the locking member, an engagement projection inserted into an engagement hole provided in the engagement protrusion is provided so as to protrude outward.
The engagement protrusion is inserted into the engagement hole in a state where the surface layer material is disposed on the base material with the cushion layer sandwiched so that the engagement protrusion protrudes from the opening to the back side of the base material. A holding mechanism that mechanically holds the locking member in the assembled position based on elastic deformation by inserting the locking member into the assembled position in the opening. The overlapped composite part according to claim 1, wherein the composite part is provided in association with both the member and the base material. When the locking member is inserted from the back side of the base material to the assembly position, a contact portion that prevents the locking member from penetrating to the surface layer material side includes the locking member and the base material While being provided in relation to both
When the locking member is inserted into the assembly position in the opening from the back side of the base material, the base member is elastically engaged with the locking member, thereby A holding part for preventing the member from separating to the back side of the base material is provided,
The overlapping composite part according to claim 4, wherein the holding mechanism includes the contact portion and the holding portion. The engagement protrusions are plate-like protrusions provided in a longitudinal plate shape along the back surface of the surface layer material, and are provided as a pair spaced apart from each other so as to be arranged in parallel.
A plurality of the engagement holes are provided in the pair of plate-like projecting portions, each being spaced apart in the longitudinal direction of the plate-like projecting portion,
The locking member is disposed between the pair of plate-like projecting portions, and a plurality of engagement protrusions corresponding to the plurality of engagement holes are formed on the pair of side end portions of the locking member, respectively. The superimposed composite component according to claim 4 or 5, wherein the composite composite component is provided and inserted into the engagement hole of the pair of plate-like projecting portions.

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