JP6543667B2 - Wall panel mounting structure - Google Patents

Description

  The present invention relates to a wall panel mounting structure.

  DESCRIPTION OF RELATED ART Conventionally, the attachment structure of the wall panel for attaching a wall panel to a base material is known (for example, refer patent document 1). In the wall panel mounting structure of this type, the wall panel is fixed to the base material (trunk rim or the like) by a fastener (mounting screw or the like).

  Specifically, the stopper has a head, and a shaft portion provided to protrude from the head. And this head is arranged on the surface side of the wall panel in a state where the shaft part penetrates the wall panel from the head toward the base material.

JP, 2016-14295, A

  In the conventional configuration, after the wall panel is fixed to the base material by the stopper, when the pressure on the front side space becomes negative pressure due to the wind pressure of the wind blowing to the front side space of the wall panel, the above An external force is applied to the installation location of the fastener on the wall panel to pull the installation location to the front side. Therefore, the installation location of the fastener on the wall panel is deformed by the external force, and there is a problem that the attachment state of the wall panel to the base material is deteriorated.

  This invention is made in view of such a problem, and the installation location of the said stop in the said wall panel is ensured, ensuring the sealing property of the installation location of the stop in a wall panel in the surface side of a wall panel. It is an object of the present invention to provide a wall panel mounting structure that can be easily reinforced.

The present invention
A mounting structure of a wall panel for mounting the wall panel to a base material,
A head portion, a shaft portion provided to project from the head portion, and a screw portion provided on the protruding end side of the shaft portion, in order to fasten the wall panel to the base material, The screw is fixed to the base material and the head is disposed on the surface side of the wall panel in a state where the shaft part penetrates the wall panel from the head toward the base material. Stopper,
Washer body, and wherein a cutout portion provided in the washer main body, wherein in a state where the notch is fitted to the shaft portion of the fastener from the notch opening side of the notch portion, the washer body the wall panels A washer disposed between the surface of the cover and the head of the stop;
A gasket externally fitted to the shaft portion of the stopper and interposed between the surface of the wall panel and the washer body of the washer in close contact with the surface of the wall panel and the washer body of the washer ;
The washer is
It has a projection provided on the washer body and projecting from the surface of the washer body opposite to the surface opposite to the wall panel,
The projection is a shall not extend along the periphery of the washer body.

According to this configuration, it becomes possible to easily reinforce the installation location of the fastener in the wall panel in the front and back direction of the wall panel by the washer. Therefore, for example, after the wall panel is fixed to the base material by the fastener, the wall may become negative pressure due to wind pressure or the like blowing to the front side space of the wall panel. Although an external force is applied to the installation location of the fastener on the panel to pull the installation location to the front side, deformation of the installation location of the fastener on the wall panel due to this external force can be prevented. As a result, the attachment state of the wall panel to the base material can be favorably maintained.
According to this configuration, it is possible to increase the rigidity of the washer. Therefore, it is possible to suppress the deformation that may occur when the concentrated load acting by the negative pressure of the front side space of the wall panel is transmitted to the installation location of the fastener on the wall panel via the washer.

  When the wall panel is fixed to the base material by the stopper, the reinforcement by the washer is performed after the washer is attached. Specifically, the shaft portion of the stopper passes through the wall panel. It can be easily realized by fitting the notch portion of the washer to the shaft portion of the stopper. Then, the washer can not only be applied to the wall panel when the wall panel is newly fixed to the base material by the fastener, but the wall panel is already fixed to the base material by the fastener. Even if it is, it can be easily applied to the existing wall panel by loosening the fastener or the like.

  In addition, when the wall panel is fixed to the base material by the fastener, it is provided on the surface side of the wall panel on the surface side of the wall panel, and on the surface side of the wall panel through which the fastener passes. It is possible to seal the gap between the through hole and the through hole with the packing. At this time, the packing can be in close contact with the shaft portion of the stopper. Therefore, good seal performance can be obtained at the notch portion of the washer.

According to another aspect of the invention,
The packing is configured to close the notch of the washer from the surface side of the wall panel.

  According to this configuration, it is possible to effectively prevent rainwater or the like from entering the wall panel from the front side space side of the wall panel through the notch. Therefore, the sealing performance in the mounting structure of the wall panel can be improved.

According to another aspect of the invention,
The mounting structure of the wall panel is
The anti-rotation member is interposed between the head of the stopper and the washer main body of the washer, and prevents the rotation of the washer due to the rotation of the stopper.

  According to this configuration, when the fastener is rotated to fasten the screw portion of the fastener to the base material, it is possible to prevent the counter rotation of the washer accompanying the rotation of the fastener. Therefore, the occurrence of the problem that the packing in contact with the washer is damaged can be prevented by the washer body that rotates around the stopper.

  According to the present invention, it is possible to easily reinforce the installation location of the fastener on the wall panel while securing the sealability of the installation location of the fastener on the wall panel on the surface side of the wall panel. Can provide the mounting structure of

It is sectional drawing which shows the attachment structure of the wall panel which concerns on one Embodiment of this invention. It is sectional drawing of the upper end part side of the 1st wall panel in the attachment structure of the wall panel of FIG. It is sectional drawing of the lower end part side of the 2nd wall panel in the attachment structure of the wall panel of FIG. It is an enlarged view of the attachment structure of the wall panel of FIG. FIG. 5 is a view showing the mounting structure of the wall panel of FIG. 4 with the stopper, the washer, the packing, and the anti-rotation member separated from the first wall panel. (A) It is the figure which looked at the washer of FIG. 5 from the front side. (B) It is the figure which looked at the packing of FIG. 5 from the front side. (C) It is the figure which looked at the common rotation prevention member of FIG. 5 from the front side. It is explanatory drawing about the post-attachment of the washer in the attachment structure of the wall panel of FIG. It is the figure which looked at the washer of another Example from the front side. It is sectional drawing which shows the attachment structure of the wall panel which concerns on another embodiment of this invention.

  An embodiment of the present invention will be described with reference to the drawings.

  First, the structure of the 1st wall panel 1 to which the attachment structure of the wall panel which concerns on one Embodiment of this invention is applied, and its periphery are demonstrated.

  FIG. 1 shows a cross-sectional view of a wall panel mounting structure according to an embodiment of the present invention. In FIG. 2, sectional drawing of the upper end part side of the 1st wall panel 1 in the attachment structure of the wall panel of FIG. 1 is shown. In FIG. 3, sectional drawing of the lower end part side of the 2nd wall panel 2 in the attachment structure of the wall panel of FIG. 1 is shown.

  As shown in FIG. 1, FIG. 2 and FIG. 3, the wall panel mounting structure according to the embodiment of the present invention includes the first wall panel 1 and the second wall panel 2 joined together in the vertical direction. , Applied to the first wall panel 1 disposed below the second wall panel 2. In addition, the attachment structure of the said wall panel is suitably applicable to various wall panels.

  The first wall panel 1 has a first surface portion 11, a first back surface portion 12, an upper end portion 13, and a convex portion 14 projecting upward from the upper end portion 13. In the present embodiment, the first wall panel 1 is a fire resistant panel having fire resistance. As described later, the first wall panel 1 can be attached to the base material (such as a body edge) 15 at the upper end side or the like of the end in the vertical direction.

  The first surface portion 11 is disposed on the front side of the first wall panel 1. The first surface portion 11 includes a first surface material 17 that can face the front side space 16 present on the front side with respect to the first wall panel 1. The first surface material 17 is manufactured using a metal plate such as a painted 55% aluminum-zinc alloy plated steel plate.

  The first back surface 12 is disposed on the back side of the first wall panel 1. The first back surface portion 12 includes a first back surface material 18 that can face the base material 15 located on the back side of the first wall panel 1. The first back surface material 18 is manufactured using a metal plate such as a painted 55% aluminum-zinc alloy plated steel plate.

  The upper end 13 includes the upper surface of the first wall panel 1. The upper end portion 13 covers the upper end portion of the first core member 19 interposed between the first surface member 17 and the first back surface member 18 and a part of the upper end portion of the first core member 19. A portion extending from the portion 17 and a portion extending from the first back surface 18 cover another portion of the upper end portion of the first core 19.

  Here, the first core material 19 is manufactured using a material having fire resistance (heat resistance, flame retardancy, noncombustibility). For example, rock wool, glass wool, ceramic fiber, or carbon wool may be used to manufacture the first core material 19.

  The convex portion 14 is provided so as to protrude upward from the upper surface (upper end portion 13) of the first wall panel 1. The convex portion 14 is disposed on the front side of the first wall panel 1 at the upper end portion 13 of the first wall panel 1. Specifically, the convex portion 14 is disposed above the first surface portion 11.

  The convex portion 14 is constituted by the extending portion 21 of the first surface material 17 which extends upward from the upper surface of the first core material 19 from the side of the first surface portion 11 of the first wall panel 1. The convex portion 14 is formed such that the bent portion becomes a projecting end portion by bending the extension portion 21 of the first surface material 17 to the back side of the first wall panel 1.

  Specifically, the convex portion 14 is formed to have the bent portion as a projecting end portion by being bent so that the extension portion 21 of the first surface material 17 exhibits a downward U-shape. . And the convex part 14 is made into the hollow body which has an internal space with which the 1st core material 19 is not filled.

  The extending portion 21 of the first surface material 17 includes an extending end portion 22 positioned on the back side of the first wall panel 1 more than the protruding portion 14 in addition to the portion forming the protruding portion 14. The extension end 22 is provided along the flat portion of the upper surface of the first core 19 so as to cover the flat portion of the upper surface of the first core 19 from above at the upper end 13 of the first wall panel 1. ing.

  In the present embodiment, the first wall panel 1 also has a first recessed groove 25 that opens upward at the upper end 13. The first recessed groove 25 is formed at the upper end portion 13 of the first wall panel 1 in the first wall panel 1 more than the convex portion 14 (the extended portion 21 (including the extended end portion 22) of the first surface material 17). It is arranged on the back side.

  In the present embodiment, the first wall panel 1 also has a recess 31 recessed to the back side of the first wall panel 1 between the first surface portion 11 and the upper end portion 13. The recess 31 is formed by a first recess 33 recessed in the first core member 19 and a second recess 35 covering the first recess 33 from the front side and recessed in a step-like manner.

  In addition, the second wall panel 2 has a second surface portion 41, a second back surface portion 42, a lower end portion 43, and a recessed portion 44 projecting downward at the lower end portion 43. In the present embodiment, the second wall panel 2 is a fire resistant panel having fire resistance. The second wall panel 2 can be attached to the base material (such as a body edge) 15 on the upper end side in the width direction or the like.

  The second surface portion 41 is disposed on the front side of the second wall panel 2. The second surface portion 41 includes a second surface material 47 that can face the front side space 16 present on the front side with respect to the second wall panel 2. The 2nd surface material 47 is manufactured using metal plates, such as a paint fusion 55% aluminum-zinc alloy plating steel plate.

  The second back surface 42 is disposed on the back side of the second wall panel 2. The second back surface portion 42 includes a second back surface material 48 that can face the base material 15 positioned on the back side of the second wall panel 2. The second back surface material 48 is manufactured using a metal plate such as a painted 55% aluminum-zinc alloy plated steel plate.

  The lower end portion 43 includes the lower surface of the second wall panel 2. The lower end portion 43 covers a lower end portion of the second core 49 interposed between the second surface member 47 and the second back surface 48 and a part of the lower end portion of the second core 49. It is formed of a portion extending from 47 and a portion extending from the second back surface member 48 covering another portion of the lower end portion of the second core member 49.

  Here, the second core material 49 is manufactured using a material having fire resistance (heat resistance, flame retardancy, nonflammability). For example, rock wool, glass wool, ceramic fiber, or carbon wool may be used to manufacture the second core material 49.

  The recess 44 is recessed upward with respect to the lower surface (lower end 43) of the second wall panel 2 so as to be open. The recess 44 is disposed on the front side of the second wall panel 2 at the lower end portion 43 of the second wall panel 2. The recess 44 can be fitted to the protrusion 14 of the first wall panel 1.

  The recess 44 is constituted by an extending portion 51 of the second surface material 47 which extends downward from the lower surface of the second core material 49 from the second surface portion 41 side of the second wall panel 2. The recess 44 is formed such that the extension 51 of the second surface member 47 can be fitted to the protrusion 14 of the first wall panel 1 by being bent toward the back of the second wall panel 2.

  The extending portion 51 of the second surface material 47 includes, in addition to the portion forming the recess 44, an extending end portion 52 located on the rear side of the second wall panel 2 than the recess 44. The extension end 52 is provided along the flat portion of the lower surface of the second core 49 so as to cover the flat portion of the lower surface of the second core 49 from the lower side at the lower end 43 of the second wall panel 2. ing.

  The extending portion 51 of the second surface material 47 further includes a ridge 53 positioned on the front side of the second wall panel 2 with respect to the recess 44. The ridges 53 are provided to project downward from the second surface portion 41 of the second wall panel 2, and extend the first wall panel 1 and the second wall panel 2 of the recess 31 of the first wall panel 1. It has the extension direction length of the 1st wall panel 1 and the 2nd wall panel 2 somewhat smaller than the direction (vertical direction) length.

  In the recess 44, a packing (waterproof packing) 54 made of EPDM (ethylene propylene diene rubber) or the like is provided.

  In the present embodiment, the second wall panel 2 also has a second recessed groove 55 opened downward at the lower end 43. The second recessed groove 55 is the back side of the second wall panel 2 than the recessed portion 44 (including the extended portion 51 (including the extended end portion 52) of the second surface material 47) at the lower end 43 of the second wall panel 2. Is located in

  Further, the panel joint member 3 is configured to be able to be fitted to the first recessed groove 25 of the first wall panel 1 and the second recessed groove 55 of the second wall panel 2. The panel joining member 3 has a rectangular parallelepiped shape, and is formed to be in contact with a part of a portion forming these recessed grooves 25 and 55 when fitted into the first recessed groove 25 and the second recessed groove 55 ing.

  The panel joining member 3 is a fireproof board in the present embodiment. The panel joining member 3 is manufactured using a material having fire resistance (heat resistance, flame retardancy, noncombustibility). For example, a calcium silicate plate can be used to manufacture the panel joining member 3.

  Thus, as shown in FIG. 1, the second wall panel 2 is positioned above the first wall panel 1 with the convex portion 14 of the first wall panel 1 fitted in the recess 44 of the second wall panel 2. As it does, the 1st wall panel 1 and the 2nd wall panel 2 are set as the structure joined so that the member 3 for panel joining may be pinched | interposed.

  In this configuration, since the convex portion 14 of the first wall panel 1 fits into the concave portion 44 of the second wall panel 2, the packing 54 in which the convex portion 14 and the concave portion 44 are compressed by the weight of the second wall panel 2 is used. Face through. Therefore, the sealing portion is formed between the convex portion 14 and the concave portion 44 by the packing 54.

  The ridges 53 of the second wall panel 2 are disposed on the front side of the recess 31 so as to be located in the space formed by the recess 31. Therefore, the ridges 53 serve as a cover that covers the depressions 31 of the first wall panel 1 and thus the upper end 13 so as to be invisible from the front side.

  Furthermore, with the first wall panel 1 and the second wall panel 2 adjacent in the vertical direction, the first surface portion 11 of the first wall panel 1 and the second surface portion 41 of the second wall panel 2 substantially face each other. The first back surface 12 of the first wall panel 1 and the second back surface 42 of the second wall panel 2 are arranged to be substantially flush with each other.

  Next, the mounting structure of the wall panel according to the embodiment of the present invention will be described.

  FIG. 4 shows an enlarged view of the mounting structure of the wall panel of FIG. FIG. 5 is a view showing a state in which the stopper 61, the washer 62, the packing 63, and the anti-rotation preventing member 64 are separated from the first wall panel 1 in the wall panel mounting structure of FIG.

  The figure which looked at the washer 62 from the front side to Fig.6 (a) is shown. The figure which looked at the packing 63 from the front side in FIG.6 (b) is shown. The figure which looked at the common rotation prevention member 64 in FIG.6 (c) from the front side is shown.

  The attachment structure of the wall panel is for attaching the first wall panel 1 to the base material 15. As shown in FIG. 4, FIG. 5, and FIG. 6, the attachment structure of the wall panel includes a stopper 61, a washer 62, and a packing 63. In the present embodiment, the mounting structure of the wall panel further includes the anti-rotation member 64 as described later.

  The stopper 61 has a head 71, a shaft 72, and a screw 73, as also shown in FIG. In the stopper 61, the shaft 72 is provided so as to protrude from the head 71. The screw portion 73 is provided on the projecting end side of the shaft portion 72.

  In order to fasten the first wall panel 1 to the base material 15, the fasteners 61 allow the screw section 73 to be the base material in a state where the shaft portion 72 penetrates the first wall panel 1 from the head 71 to the base material 15. While being fixed to the material 15, the head 71 is arranged on the surface 74 side of the first wall panel 1.

  The washer 62 has a washer body 76 and a notch 77. In the washer 62, the notch 77 is provided in the washer main body 76.

  The washer 62 has the washer main body 76 in the front and back direction of the first wall panel 1 and the front surface 74 of the first wall panel 1 with the cutout 77 inserting the shaft portion 72 of the stopper 61 from the cutout opening 78 side. It is disposed between the stopper 61 and the head 71.

  The packing 63 is externally fitted to the shaft portion 72 of the stopper 61. The packing 63 is interposed between the surface 74 of the first wall panel 1 and the washer main body 76 of the washer 62 in a state of being in close contact with these.

  In the present embodiment, the stopper 61 is composed of a mounting screw (drill screw). The fastener 61 has a head portion 71 on the side of a projecting proximal end which is one axial end of the shaft portion 72. The stopper 61 also has a screw portion 73 on the side of the protruding end portion which is the other axial end portion of the shaft portion 72.

  The head 71 has a disk shape. The shaft portion 72 has a round bar shape and is disposed coaxially with the head portion 71. The shank 72 has a diameter smaller than the diameter of the head 71. The screw portion 73 is continuously provided on the shaft portion 72, and can be fixed to the base material 15 (the screw portion thereof).

  Thus, in the fastener 61, the screw portion 73 penetrates the upper end portion 13 of the first wall panel 1 and the panel joining member 3 to reach the base material 15, and the head 71 is on the front side of the washer main body 76 of the washer 62. In order to be positioned, the upper end 13 of the first wall panel 1 can be driven from the front side to the rear side.

  When the screw portion 73 penetrates the upper end portion 13 of the first wall panel 1 and the panel joining member 3, the shaft portion 72 penetrates the first surface material 17, the first core material 19 and the first back surface material 18. A through hole 79 is formed in a through portion (a part on the surface 74 side of the first wall panel 1) in which the shaft portion 72 penetrates the first surface material 17.

  The washer 62 is made of a metal plate. The washer 62 has a rectangular plate shape as shown in FIGS. 5 and 6 (a). The washer 62 is disposed between the upper end portion of the upper end portion of the first wall panel 1 and the head portion 71 of the stopper 61 so as to cover a part of the upper end portion 13 and the convex portion 14 from the front side. It is done.

  The washer 62 is also disposed closer to the first surface portion 11 side (front side) than the convex portion 14 so as to be adjacent to the upper end portion 13 and the convex portion 14 of the first wall panel 1. The washer 62 is held by the stopper 61 on the surface 74 side of the first wall panel 1 when the first wall panel 1 is attached to the base material 15.

  The notch portion 77 is provided on the shaft portion 72 of the stopper 61 so as to be able to be fitted from the outside in the radial direction through the notch opening 78. The notch portion 77 is disposed so as to open downward to the lower side portion of the peripheral edge portion of the washer main body 76, and is disposed at a middle portion in the width direction of the washer main body 76.

  The notch 77 has a vertical length and width greater than the vertical length and width (diameter) of the shaft 72 of the stopper 61. The notch 77 also has a vertical length and a width smaller than the vertical length and the width of the head 71 so that the head 71 of the fastener 61 can not pass in the front and back direction of the first wall panel 1. Have.

  The packing 63 is made of a material having a large restoring force. The packing 63 is EPDM in the present embodiment. The packing 63 has a ring shape. The packing 63 has an outer diameter larger than the diameter of the through hole 79 so that the through hole 79 can be closed from the front side when deformed and expanded.

  In addition, the material of the packing 63 is not limited to the above-mentioned EPDM, and an appropriate material according to the use conditions can be adopted.

  With this configuration, the installation location (a part of the upper end portion 13 and the convex portion 14) of the stopper 61 in the first wall panel 1 can be easily reinforced in the front and back direction of the first wall panel 1 by the washer 62. . Therefore, for example, after the first wall panel 1 is fixed to the base material 15 by the fastener 61, the first wall 16 becomes negative pressure due to wind pressure or the like blowing to the front space 16, the first wall An external force is applied to the installation site of the fastener 61 in the panel 1 so as to pull the installation site to the front side, but deformation of the installation site of the fastener 61 of the first wall panel 1 due to this external force can be prevented. As a result, the attachment state of the first wall panel 1 to the base material 15 can be maintained well.

  When the first wall panel 1 is fixed to the base material 15 by the stopper 61 by reinforcement with the washer 62, the washer 62 is attached later. Specifically, the shaft portion 72 of the stopper 61 is the first wall panel 1 7 can be easily realized by moving the washer 62 in the direction of the arrow 90 in FIG. 7 and fitting the notch 77 to the shaft 72 of the stopper 61. The washer 62 can not only be applied to the first wall panel 1 when the first wall panel 1 is newly fixed to the base material 15 by the stopper 61, but the first wall panel 1 is already fixed by the stopper 61. Even when the base material 15 is fixed to the base material 15, it can be easily applied to the existing first wall panel by loosening the stopper 61 or the like.

  In addition, when the first wall panel 1 is fixed to the base material 15 by the fastener 61, the shaft portion 72 of the fastener 61 on the surface 74 side of the first wall panel 1 and the first wall panel 1 penetrating this A gap between the through hole 79 provided on the surface 74 side can be sealed by the packing 63. At this time, the packing 63 can also be brought into close contact with the shaft portion 72 of the stopper 61. Therefore, good seal performance can be obtained at the notches 77 of the washer 62.

  Further, in the present embodiment, the packing 63 is configured to close the cutaway portion 77 of the washer 62 from the surface 74 side of the first wall panel 1 (the back side with the through hole 79).

  That is, the packing 63 can expand outward in the radial direction of the shaft portion 72 of the stopper 61 so as to have a vertical length and a width (diameter) larger than the vertical length and the width of the notch 77 It is assumed. At the time of this diameter expansion, the packing 63 naturally also expands inward in the radial direction of the shaft portion 72 so as to be in close contact with the shaft portion 72 of the stopper 61.

  With such a configuration, it is possible to effectively prevent rainwater or the like from invading the inside of the first wall panel 1 from the front side space 16 side through the cutout portion 77. Therefore, the sealing performance in the mounting structure of the wall panel can be improved.

  Further, in the present embodiment, the washer 62 further includes a plurality of protrusions 82. The projection 82 is provided on the washer main body 76, and from the surface of the washer main body 76 (washer 62) (the surface opposite to the surface (rear surface) opposite to the upper end 13 and the convex portion 14 of the first wall panel 1) It stands out.

  The plurality of protrusions 82 are disposed in a properly dispersed state, specifically, along the peripheral edge of the washer main body 76 that exhibits a rectangular shape when the washer 62 is viewed from the front side. Specifically, the projection 82 includes a first projection 82A extending in the vertical direction on one side in the width direction of the washer main body 76, and a second projection 82B extending in the vertical direction on the other side in the width direction of the washer main body 76. including.

  The protrusion 82 further includes a third protrusion 82C extending in the width direction of the washer body 76 between the first protrusion 82A and the second protrusion 82B. In addition, at least one protrusion 86 is provided on the surface of the washer 62. For example, the first protrusion 82A, the second protrusion 82B, and the third protrusion 82C may be integrated. .

  Such a configuration makes it possible to increase the rigidity of the washer 62. Therefore, as described above, it is possible to suppress the deformation that may occur when the concentrated load acting by the negative pressure of the front side space 16 is transmitted to the upper end portion 13 and the convex portion 14 of the first wall panel 1 through the washer 62.

  Further, in the present embodiment, the mounting structure of the wall panel is provided with the anti-rotation member 64. The co-rotation preventing member 64 is interposed between the head 71 of the stopper 61 and the washer main body 76 of the washer 62, and is for preventing co-rotation of the washer 62 accompanying the rotation of the stopper 61.

  The rotation preventing member 64 is made of a foamed resin such as silicon. The turning prevention member 64 has a ring shape. The co-rotation preventing member 64 is externally fitted to the shaft portion 72 of the stopper 61 and is disposed between the head 71 of the stopper 61 and the washer main body 76 of the washer 62 so as to be in close contact therewith.

  In addition, the material of the common rotation prevention member 64 is not limited to foamed resin, such as the above-mentioned silicone, The appropriate | suitable material according to use conditions is employable.

  With such a configuration, when the fastener 61 is rotated to fasten the screw portion 73 of the fastener 61 to the base material 15, it is possible to prevent the counter rotation of the washer 62 accompanying the rotation of the fastener 61. Therefore, the washer main body 76 rotating around the stopper 61 can prevent the occurrence of the problem that the packing 63 in contact with this is damaged.

  In the present embodiment, the washer according to the present invention is a washer 62 provided so as to correspond to one stopper 61 in the vicinity of the fitting portion between the convex portion 14 and the concave portion 44, as shown in FIG. It is also possible to use a washer 92 provided so as to correspond to the plurality of stoppers 61 provided in the width direction in the fitting portion.

  In addition, although the wall panel according to the present invention is the first wall panel 1 which is a fire-resistant panel in the present embodiment, the present invention is not limited to this. For example, it is not a fire-resistant panel (has special fire resistance No, it is possible to use a wall panel 101, specifically, a wall panel 101 having a surface member 117 and a back surface material 118 made of metal plate and a core material 119 made of foam plastic etc. as shown in FIG. is there.

  Obviously, many modifications and variations of the present invention are possible in light of the above teachings. Thus, it is to be understood that, within the scope of the appended claims, the present invention may be practiced otherwise than as described herein.

1 1st wall panel (wall panel)
DESCRIPTION OF SYMBOLS 15 Base material 61 Fastening 62 Washer 63 Packing 64 Common rotation preventing member 71 Head 72 Shaft part 73 Screw part 74 Surface of 1st wall panel (surface of wall panel)
76 Washer main body 77 Notched part 78 Notched opening 82 Protrusion 101 1st wall panel (wall panel)

Claims (3)

A mounting structure of a wall panel for mounting the wall panel to a base material,
A head portion, a shaft portion provided to project from the head portion, and a screw portion provided on the protruding end side of the shaft portion, in order to fasten the wall panel to the base material, In a state in which the shaft portion penetrates the wall panel from the head toward the base material, the screw is fixed to the base material and the head is disposed on the surface side of the wall panel Tools,
Washer body, and wherein a cutout portion provided in the washer main body, wherein in a state where the notch is fitted to the shaft portion of the fastener from the notch opening side of the notch portion, the washer body the wall panels A washer disposed between the surface of the cover and the head of the stop;
A gasket externally fitted to the shaft portion of the stopper and interposed between the surface of the wall panel and the washer body of the washer in close contact with the surface of the wall panel and the washer body of the washer ;
The washer is
It has a projection provided on the washer body and projecting from the surface of the washer body opposite to the surface opposite to the wall panel,
Said projections, said that not extend along the periphery of the washer body, the wall panel mounting structure.   The wall panel mounting structure according to claim 1, wherein the packing is configured to close the notch of the washer from the surface side of the wall panel. The anti-rotation member according to claim 1 or claim 2 , further comprising: an anti-rotation member interposed between the head of the stopper and the washer main body of the washer to prevent the washer from rotating with the rotation of the stopper. Wall panel mounting structure.

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