JP2013050162A - Mounting seat of clip nut - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve fastening operability by preventing erroneous assembly of a clip nut.SOLUTION: A mounting seat 7 includes a recessed part 71 which is recessed from a surface of a front surface side of a number plate holder to the back side. When a second opposite piece 513 of a clip nut 5 is inserted from the open part 715 side into the recessed part 71, the arrangement of the second opposite piece 513 into the recessed part 71 is permitted and, meanwhile, when a first opposite piece 511 of the clip nut 5 is inserted from the open part 715 side into the recessed part 71, an erroneous assembly prevention piece 719 which prevents with interference with a nut part 53, the arrangement of the first opposite piece 511 into the recessed part 71 is provided in the recessed part 71.

Description

  The present invention relates to a technique for preventing erroneous assembly of a clip nut.

  Conventionally, a clip nut that uses a bolt to fasten a flat plate-like member to a flat panel material is known (see, for example, Patent Document 1). A clip nut generally consists of a clip and a nut. The clip has a pair of opposed pieces facing each other with a space therebetween, and has a substantially U shape in which one ends of the opposed pieces are connected to each other. A screw insertion hole is formed opposite to both the opposing pieces. The nut is provided on one facing piece so that the female screw portion corresponds to the screw insertion hole, and protrudes from the one facing piece to the opposite side to the other facing piece.

  When using the clip nut and bolt configured in this way to fasten the fastened member to the panel material, the clip is inserted into the panel material end with the nut facing the back side of the panel material. The panel nut ends are clamped from both the front and back sides with both opposing pieces of the panel, and the clip nut is paneled so that both the screw insertion holes of the clip, the female thread of the nut, and the screw insertion openings formed in the panel material communicate with each other. Attach to the material. Next, a member to be fastened is placed along the front surface of the panel member to which the clip nut is attached, and a screw insertion hole formed in advance in the member to be fastened and a screw insertion opening of the panel member are communicated. Then, the member to be fastened is fastened to the panel member by inserting the bolt through the screw insertion hole of the member to be fastened and screwing it into the nut of the clip nut.

Japanese Utility Model Publication No. 62-89514 (Fig. 5)

  When the clip is inserted into the end of the panel material as described above, the direction of the nut may be wrong, and the clip nut may be attached to the panel material in a state where the nut faces the panel material front side. In such a case, it is necessary to remove the clip nut from the panel material, correct the direction of the nut, and attach the clip nut to the panel material again, which causes a reduction in fastening workability.

  This invention is made | formed in view of this point, The place made into the objective is preventing the incorrect assembly | attachment of a clip nut and improving fastening workability | operativity.

  The inventor of the present application has created a clip nut mounting seat that can prevent erroneous assembly of the clip nut.

  Specifically, in the first invention, the male screw member is inserted into the screw insertion hole and the screw insertion opening in a state where the member to be fastened having the screw insertion hole is aligned with the surface of the resin panel having the screw insertion opening. Then, when fastening the member to be fastened to the resin panel, the first opposed piece and the second opposed piece facing each other with a space therebetween are provided, and the first opposed piece and the second opposed piece are each provided with A clip portion having a screw insertion hole through which the male screw member is inserted; and a female screw portion into which the male screw member is screwed. The female screw portion is a screw insertion hole of the first opposing piece. A clip nut comprising a nut portion provided on the first facing piece and projecting from the first facing piece to the opposite side of the second facing piece so that the nut portion faces the back side. Both screw insertion holes, female screw part of the nut part and the tightened part A clip nut mounting seat that is attached so that the screw insertion hole of the member and the screw insertion opening of the resin panel communicate with each other is provided with a recess recessed from the front surface of the resin panel to the back side, A bottom wall that has the screw insertion opening and is clamped from both the front and back sides by the first facing piece and the second facing piece when the member to be fastened is fastened to the resin panel, and rises from the periphery of the bottom wall A side wall and an open portion that opens at a part of the periphery of the bottom wall so that the second facing piece can be inserted into the recess when the fastened member is fastened to the resin panel; In the recess, it extends from the side wall so as to form a gap with the bottom wall, and when the second facing piece of the clip nut is inserted into the recess from the open portion side, the second facing Allow placement of the piece in the recess On the other hand, when the first opposing piece of the clip nut is inserted into the concave portion from the open portion side, it prevents interference with the nut portion and prevents the first opposing piece from being placed in the concave portion. A piece is provided.

  According to a second invention, in the first invention, the erroneous assembly preventing piece has a screw insertion hole through which the male screw member is inserted, and the screw insertion opening in the bottom wall in the front and back direction of the resin panel. It is provided corresponding to this screw insertion opening so that it may fit in.

  According to the first aspect of the invention, when the first facing piece is inserted into the recess from the open portion side with the nut portion facing the front side, the nut portion interferes with the misassembly preventing piece, and the first facing piece is further recessed. Can no longer be inserted inside. Thereby, the operator can recognize that the direction of the clip nut is incorrect.

  On the other hand, when the second facing piece is inserted into the recess from the open portion side with the nut portion facing the back side, the second facing piece is disposed in the recess, and both the screw insertion holes of the clip portion and the female screw portion of the nut portion The clip nut can be attached to the resin panel (mounting seat) in a state where the screw insertion opening of the resin panel communicates with the resin nut.

  Therefore, the complicated work of removing the clip nut attached to the resin panel from the resin panel, correcting the direction of the nut portion and attaching the clip nut to the resin panel again does not occur, and the fastening workability can be improved.

  According to the second invention, the misassembly prevention piece and the bottom wall do not overlap with each other when viewed from the front and back of the resin panel. Therefore, the undercut is avoided and the slide mold is not required, and only the upper and lower molds facing each other are simple. A resin panel provided with a clip nut mounting seat in a mold structure can be molded, and the mold cost can be reduced by the amount that does not require a slide mold.

FIG. 3 is an assembled perspective view of a license plate holder according to the first embodiment. It is an expansion perspective view of a mounting seat. It is the figure which looked at the misassembly prevention piece vicinity from the front side. It is a perspective view which shows the state which attached the clip nut to the attachment seat. It is the VV sectional view taken on the line of FIG. It is the VI-VI sectional view taken on the line of FIG. It is a figure for demonstrating the effect of a misassembly prevention piece. FIG. 6 is a view corresponding to FIG. 5 showing a portion corresponding to a mounting base of a mold for forming a license plate holder. FIG. 7 is a view corresponding to FIG. 6 showing a portion corresponding to a mounting base of a mold for forming a license plate holder. 6 is an enlarged perspective view of a mounting seat according to Embodiment 2. FIG.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. The following description of the preferred embodiment is merely exemplary in nature.
Embodiment 1
FIG. 1 is a perspective view of a license plate holder (resin panel) 1 according to Embodiment 1 of the present invention. The number plate holder 1 is a holder for attaching the number plate 3 to a front bumper (not shown) of the vehicle. A number plate 3 as a member to be fastened is fastened to the number plate holder 1 by a bolt B as a male screw member and a clip nut 5.

  As shown in FIGS. 1 and 4 to 6, the clip nut 5 includes a clip portion 51 and a nut portion 53.

  The clip portion 51 has a rectangular flat plate-like first opposing piece 511 and second opposing piece 513 that face each other with a space therebetween, and a pair of connecting portions 515 that connect one ends of the opposing pieces 511 and 513. It is a U-shaped metal member.

  A screw insertion hole 517 through which the bolt B is inserted is formed to face the first opposing piece 511 and the second opposing piece 513.

  The end of the first opposing piece 511 on the side opposite to the connecting portion 515 is slightly bent toward the side opposite to the second opposing piece 513 so that the clip nut 5 can be easily attached to a mounting seat 7 described later of the number plate holder 1.

  The nut portion 53 is a metal hexagon nut, and has a female screw portion 531 inside. The female screw portion 531 is welded to the first opposing piece 511 so as to correspond to the screw insertion hole 517, and It protrudes from the first opposing piece 511 to the second opposing piece 513 side. The nut portion 53 is not limited to a hexagon nut, and may be a square nut, for example. Further, the nut portion 53 may be configured by forming a rising portion at the peripheral portion of the screw insertion hole 517 of the first opposing piece 511 by burring and forming a female screw portion inside the rising portion.

  As shown in FIG. 1, the license plate holder 1 is a long plate-like number plate mounting surface portion 11 having a surface with which the number plate 3 contacts the front side, and an upper end edge and both longitudinal end edges of the mounting surface portion 11. It is the resin molded product which has the outer peripheral wall part 12 extended in a back side and contacting the said bumper. In this license plate holder 1, both end portions in the longitudinal direction of the mounting surface portion 11 extend downward to constitute a pair of extending surface portions 13.

  A bumper mounting portion 131 that is recessed toward the back side is formed on the front surface of each extension surface portion 13, and the license plate holder 1 is mounted on the bottom wall of the bumper mounting portion 131 to the front bumper of the vehicle. Bumper mounting holes 133 are formed.

  A mounting seat 7 for mounting the clip nut 5 is formed on the mounting surface portion 11 above both the extended surface portions 13.

  As shown in FIGS. 1 and 2, the mounting seat 7 includes a recess 71 that is recessed from the front surface of the mounting surface portion 11 to the back side.

  The recess 71 has a substantially rectangular shape corresponding to the shape of the second opposing piece 513 of the clip nut 5, and includes an upper side 711 a, a lower side 711 b, an inner side 711 c on the center side of the mounting surface portion 11, and a central side ( A rectangular bottom wall 711 having an outer side 711d on both ends in the longitudinal direction of the mounting surface 11 and a peripheral edge of the bottom wall 711, more specifically, an upper side 711a, a lower side 711b, and an outer side 711d of the bottom wall 711, respectively. When the clip nut 5 is attached to the mounting seat 7 as will be described later, the side walls 713a, 713b, 713c and the peripheral edge of the bottom wall 711 are inserted so that the second opposing piece 513 of the clip nut 5 can be inserted into the recess 71. Part, more specifically, an open part 715 that opens at the inner side 711c of the bottom wall 711.

  A screw insertion opening 717 for inserting the bolt B is formed in the bottom wall 711.

  As shown in FIG. 3, the screw insertion opening 717 includes an extension part 717a extending from the outer side 711d of the bottom wall 711 to the center side of the mounting surface part 11 (the right side in the figure), and the extension part 717a. It has a substantially square-shaped screw insertion portion 717b that continuously expands at the end.

  In the recess 71, an erroneous assembly prevention piece 719 for preventing erroneous assembly of the clip nut 5 to the mounting seat 7 is provided corresponding to the screw insertion opening 717.

  The misassembly prevention piece 719 is flush with the bottom wall 711 so as to form a gap slightly larger than the thickness of the second opposing piece 513 of the clip nut 5 and is flush with the front surface of the mounting surface portion 11. In this way, it extends into the recess 71 from the side wall 713c. The misassembly prevention piece 719 includes an extension portion 719a extending from the side wall 713c toward the opening portion 715 toward the opening portion 715, and a screw insertion opening 717 corresponding to the extension portion 717a of the screw insertion opening 717. Corresponding to the screw insertion portion 717b, and a substantially square-shaped misassembly prevention portion 719b that continuously expands to the extension end portion of the extension portion 719a. Then, the screw insertion opening 717 is arranged so that the misassembly prevention piece 719 does not overlap the bottom wall 711 when viewed from the front and back of the license plate holder 1 (viewed from the mold opening direction of the molding die described later of the license plate holder 1). Is in the range.

  A screw insertion hole 719c for inserting the bolt B is formed in the erroneous assembly preventing portion 719b.

  As shown in FIGS. 2, 4, and 5, when the clip nut 5 is attached to the attachment seat 7, the second opposing piece 513 of the clip nut 5 is disposed on the back side of the end portion of the open portion 715 of the misassembly prevention portion 719 b. Inclined portion 719d is formed so that the open portion 715 side is located on the front side and the side wall 713c side is located on the back side.

  Further, the recess 71 has an invitation portion 715 a continuous with the inner side 711 c of the bottom wall 711.

The invitation portion 715a slightly expands up and down from the bottom wall 711 so that the second opposing piece 513 of the clip nut 5 can be easily inserted into the recess 71 when the clip nut 5 is attached to the mounting seat 7. It inclines so that the 713c side is located on the front side and the open part 715 side is located on the back side.

  Thus, the license plate holder 1 is formed with a through hole 15 for attaching the clip nut 5 to the attachment seat 7 so as to be adjacent to the invitation portion 715 a of the recess 71 on the center side of the attachment surface portion 11.

  Since the license plate holder 1 configured in this manner is accommodated in the screw insertion opening 717 so that the erroneous assembly prevention piece 719 does not overlap the bottom wall 711 when viewed from the front and back as described above, the license plate holder 1 is slid or nested. 8 and 9, the mold opening direction coincides with the front and back direction, and can be molded by a mold including only the upper mold M1 and the lower mold M2 facing each other.

  As shown in FIG. 1, the number plate 3 is a substantially rectangular flat plate member, and the two screw insertion holes 31 for inserting the bolts B are screw insertion openings 717 (and screw insertion holes 719 c) of the number plate holder 1. ).

  Here, the operation of attaching the number plate 3 to the front bumper of the vehicle will be described.

  First, a bolt is inserted into the bumper mounting hole 133, and the number plate holder 1 is mounted on a front bumper of a vehicle (not shown).

  Next, the clip nut 5 is attached to the attachment seat 7. Specifically, the clip nut 5 is passed through the through-hole 15 with the nut portion 53 facing the back side, and the bottom wall 711 is sandwiched between the first opposed piece 511 and the second opposed piece 513 to provide the second opposed position. The piece 513 is inserted into the recess 71 from the opening 715 side.

  Here, the operator mistakes the orientation of the nut portion 53, the clip nut 5 is passed through the through-hole 15 with the nut portion 53 facing the front side, and the first opposing piece 511 is inserted into the recess 71 from the open portion 715 side. Then, as shown in FIG. 7, the nut portion 53 and the erroneous assembly preventing portion 719 b of the erroneous assembly preventing piece 719 interfere with each other, so that the first opposing piece 511 cannot be inserted into the recess 71 any more. . Thereby, the operator can recognize that the direction of the clip nut 5 is wrong, and can correct the direction of the nut portion 53 and insert the second facing piece 513 into the recess 71.

  When the second opposing piece 513 is inserted into the recess 71 from the opening 715 side, the second opposing piece 513 enters the gap between the bottom wall 711 and the misassembly prevention piece 719. Thus, as shown in FIGS. 5 and 6, the clip nut 5 is attached to the mounting seat 7 by sandwiching the bottom wall 711 between the first opposed piece 511 and the second opposed piece 513 from both the front and back sides. These screw insertion holes 517, the female screw portion 531 of the nut portion 53, the screw insertion opening 717, and the screw insertion hole 719c of the misassembly preventing piece 719 communicate with each other.

  Next, the number plate 3 is placed along the front surface of the mounting surface portion 11 of the license plate holder 1 to which the clip nut 5 is attached to the mounting seat 7, and the screw insertion hole 31 of the license plate 3 and the license plate holder 1 The screw insertion hole 719c is communicated. Then, the bolt B is inserted from the screw insertion hole 31 of the license plate 3 into the screw insertion hole 719c and the screw insertion opening 717 of the misassembly prevention piece 719 and screwed into the nut portion 53 of the clip nut 5. The number plate 3 is fastened to the number plate holder 1. Thus, the license plate 3 is attached to the front bumper of the vehicle.

  The number plate holder 1 may be attached to the front bumper after the clip nut 5 is attached to the attachment seat 7 of the number plate holder 1.

-Effects of Embodiment 1-
According to the first embodiment, when the second opposing piece 513 of the clip nut 5 is inserted into the concave portion 71 from the open portion 715 side, the second opposing piece 513 is disposed in the concave portion 71, while the clip nut 5 When the first opposing piece 511 is inserted into the recess 71 from the opening 715 side, the misassembly prevention piece 719 prevents the first opposing piece 511 from being placed in the recess 71. In this way, the erroneous assembly prevention piece 719 can prevent the clip nut 5 from being erroneously assembled to the mounting seat 7 of the license plate holder 1, so that the clip nut 5 is removed from the mounting seat 7 of the license plate holder 1, The troublesome work of correcting the direction of the nut portion 53 and attaching the clip nut 5 to the mounting seat 7 again does not occur, and as a result, the fastening workability of fastening the number plate 3 to the number plate holder 1 can be improved. .

  Further, since the misassembly prevention piece 719 is configured to be accommodated in the screw insertion opening 717 when the license plate holder 1 is viewed from the front and back directions, the misassembly prevention piece 719 and the bottom wall 711 are front and back of the number plate holder 1. Does not overlap in direction view. Therefore, when molding the license plate holder 1 provided with the mounting seat 7, it is not necessary to adopt a complicated mold structure such as a slide mold, and a simple mold structure including only the upper mold M1 and the lower mold M2 is employed. Thus, the license plate holder 1 can be formed by opening and closing the upper mold M1 with respect to the lower mold M2.

  Furthermore, when the license plate 3 is fastened to the license plate holder 1, the license plate 3 is supported from the back side by the misassembly prevention piece 719. Thereby, the dent in the recessed part 71 of the number plate 3 by overtightening can be suppressed.

  Note that the misassembly prevention piece 719 is not limited to the above configuration, and may be configured to extend from the side wall 713a or 713b into the recess 71, for example.

Further, it is not necessary to make the front side surface of the erroneous assembly preventing piece 719 flush with the front side surface of the mounting surface portion 11. For example, the mounting seat 7 may be configured such that the surface on the front side of the erroneous assembly preventing piece 719 is located slightly on the front side of the surface on the front side of the mounting surface portion 11. By doing so, when the license plate 3 is fastened to the license plate holder 1, a repulsive force is always applied between the bolt B and the nut portion 53 of the clip nut 5, and as a result, it is possible to prevent loosening of the screw. it can.
<< Embodiment 2 >>
Next, a license plate holder according to Embodiment 2 of the present invention will be described. The license plate holder according to the second embodiment is different from the first embodiment in the configuration of the mounting seat. Therefore, only the configuration of the mounting seat will be described.

  FIG. 10 is an enlarged perspective view of the license plate holder mounting seat 9 according to the second embodiment of the present invention. The mounting seat 9 includes a recess 91 that is recessed from the front side surface of the license plate holder to the back side.

  The recess 91 has a rectangular shape corresponding to the shape of the second opposing piece of the clip nut, and has a substantially rectangular shape having an upper side 911a, a lower side 911b, an inner side 911c, and an outer side 911d, as in the first embodiment. The bottom wall 911, the upper side 911a, the lower side 911b, and the side walls 913a, 913b, 913c rising from the outer side 911d, and the clip nut when the clip nut is attached to the mounting seat 9, the second opposing piece of the clip nut And an opening 915 that opens at the inner side 911c of the bottom wall 911 so as to be inserted into the recess 91.

  A circular screw insertion opening 917 for inserting a bolt is formed in a substantially central portion of the bottom wall 911.

  At the corner on the upper side 911a side and the inner side 911c side of the bottom wall 911, a notch portion 911e cut out in a rectangular shape is formed.

  In the recess 91, a rectangular misassembly preventing piece 919 is provided corresponding to the notch 911e.

  The misassembly prevention piece 919 extends into the recess 91 from the side wall 913a so as to form a gap slightly larger than the thickness of the second opposing piece of the clip nut with the bottom wall 911. Thus, the misassembly prevention piece 919 is accommodated in the notch 911e when the license plate holder is viewed in the front and back direction.

-Effects of Embodiment 2-
According to the mounting seat 9 according to the second embodiment, when the first opposing piece is inserted into the recess 91 from the open portion 915 side with the nut portion of the clip nut facing the front side, the nut portion interferes with the misassembly preventing piece 919. As a result, the first opposing piece cannot be inserted into the recess 91 any more. Thereby, the operator can recognize that the direction of the clip nut is incorrect.

  On the other hand, when the second opposing piece is inserted into the recess 91 from the open portion 915 side with the nut portion of the clip nut facing back, the both screw insertion holes of the clip portion, the female screw portion of the nut portion, and the screw insertion opening 917 are formed. The clip nut can be attached to the attachment seat 9 of the license plate holder in a state of communication. The clip nut is placed along the front side surface of the license plate holder attached to the mounting seat 9 so that the screw insertion hole 917 of the license plate holder and the screw insertion opening 917 of the license plate holder communicate with each other. The license plate can be fastened to the license plate holder by being inserted through the screw insertion hole of the license plate and screwed into the nut portion of the clip nut.

  Therefore, according to the second embodiment, similarly to the first embodiment, the incorrect assembly preventing piece 919 can prevent the clip nut from being erroneously assembled to the mounting seat 9 of the license plate holder. It is possible to improve the fastening workability of fastening to the number plate holder.

  In addition, since the misassembly prevention piece 919 is configured to fit in the notch 911e when the license plate holder is viewed from the front and back, the misassembly prevention piece 919 and the bottom wall 911 are viewed from the front and back of the license plate holder. It does not overlap. Therefore, similarly to the first embodiment, when molding the license plate holder provided with the mounting seat 9, it is not necessary to adopt a complicated mold structure such as a slide mold, and only the upper mold and the lower mold are simple. By adopting a mold structure, the number plate holder can be formed by an operation of opening and closing the upper mold with respect to the lower mold.

  Furthermore, since the screw insertion hole is not provided in the erroneous assembly preventing piece 919 as in the first embodiment, a simple mold structure can be achieved as compared with the first embodiment, thereby reducing the mold cost. can do.

  INDUSTRIAL APPLICATION This invention is useful at the point which can prevent the incorrect assembly | attachment of a clip nut and can improve fastening workability | operativity.

1 Number plate holder (resin panel)
3 Number plate (member to be fastened)
31 Screw insertion hole of fastening member 5 Clip nut 51 Clip portion 511 First opposing piece 513 Second opposing piece 517 Screw insertion hole of clip portion 53 Nut portion 531 Female screw portion 7, 9 Mounting seat 71, 91 Recessed portion 711, 911 Bottom wall 713a to 713c, 913a to 913c Side wall 715,915 Open portion 717,917 Screw insertion opening 719,919 Misassembly prevention piece 719c Misassembly prevention piece screw insertion hole B Bolt (male screw member)

Claims (2)

The above-mentioned screw insertion hole (31) and screw insertion opening (in the state where the member to be fastened (3) having the screw insertion hole (31) is aligned with the surface on the front side of the resin panel (1) having the screw insertion opening (717,917) 717, 917), when the male screw member (B) is inserted and the fastened member (3) is fastened to the resin panel (1), the first facing piece (511) and the second facing face that are spaced apart from each other A clip having an opposing piece (513) and having a screw insertion hole (517) through which the male screw member (B) is inserted into each of the first opposing piece (511) and the second opposing piece (513). And a female screw part (531) into which the male screw member (B) is screwed. The female screw part (531) is a screw insertion hole of the first opposing piece (511). A nut portion (53) provided on the first facing piece (511) so as to correspond to (517) and projecting from the first facing piece (511) to the side opposite to the second facing piece (513). The clip nut (5) is formed with both the screw insertion holes (517) of the clip portion (51) and the female screw portion (531) of the nut portion (53) with the nut portion (53) facing back. A clip nut mounting seat mounted so that the screw insertion hole (31) of the fastened member (3) and the screw insertion opening (717, 917) of the resin panel (1) communicate with each other,
Provided with recesses (71, 91) recessed from the front side surface of the resin panel (1) to the back side,
The concave portion (71, 91) has the screw insertion opening (717, 917), and the first opposed piece (511) and the second piece when the fastened member (3) is fastened to the resin panel (1). The bottom wall (711,911) sandwiched between the opposite side (513) from the front and back sides, the side wall (713a, 713b, 713c, 913a, 913b, 913c) rising from the peripheral edge of the bottom wall (711,911), and the above-mentioned fastening member When fastening (3) to the resin panel (1), the second opposing piece (513) can be inserted into the recess (71,91) at a part of the periphery of the bottom wall (711,911). An opening (715,915) to be opened,
The recess (71, 91) extends from the side wall (713a, 713b, 713c, 913a, 913b, 913c) so as to form a gap between the bottom wall (711, 911) and the clip nut ( When the second opposing piece (513) of 5) is inserted into the concave portion (71, 91) from the open portion (715, 915) side, into the concave portion (71, 91) of the second opposing piece (513). When the first opposed piece (511) of the clip nut (5) is inserted into the recess (71, 91) from the open portion (715,915) side, the nut portion (53) An attachment seat for a clip nut, characterized by being provided with a misassembly prevention piece (719,919) that interferes and prevents the first opposing piece (511) from being placed in the recess (71,91). In the mounting seat of the clip nut according to claim 1,
The erroneous assembly prevention piece (719) has a screw insertion hole (719c) through which the male screw member (B) is inserted, and the bottom wall (711) of the resin panel (1) is viewed from the front and back sides. A clip nut mounting seat provided so as to correspond to the screw insertion opening (717) so as to be accommodated in the screw insertion opening (717).

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