JP3396308B2 - Wall panel and method of manufacturing the same - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wall panel and a method for manufacturing the same, and more particularly to a wall panel having an anchor bolt fastening hole and a lid for the face material and a method for manufacturing the same.

[0002]

2. Description of the Related Art Generally, a panel construction method is known as one of construction methods. In this panel construction method, various kinds of panels such as floor panels, wall panels and roof panels are assembled to construct a building. There is.

The standing of the wall panel is performed as shown in FIG.

That is, a floor panel 12 is laid on a foundation 10 constructed on the ground, and a body gap 14 is attached to the outer periphery of the floor panel 12.
After the anchor bolt 16 protruding from the upper end of the foundation 10 penetrates between the floor panel 12 and the body difference 14, the wall panel 18 is mounted on the floor panel 12 and the body difference 14 supported on the foundation 10. It is arranged upright and fixed on the foundation 10 by the anchor bolts 16.

The wall panel 18 is in a state in which face materials 22 are attached to both surfaces of a core material 20 framed in a rectangular shape, and the anchor bolt 16 penetrates the core material 20 on the lower side and inside the wall panel 18. In the lower portion of the face member 22 located on the indoor side, the tightening hole 24 for tightening the anchor bolt 16 is formed. From this tightening hole 20, the nut 26 is inserted in the wall panel 18. The nut 26 is inserted and screwed into the anchor bolt 16, and the nut 26 is tightened and fixed by using a tightening means such as a wrench.

Further, a gypsum board 28 is attached to the inside of the face material 22 on the inside of the room.
The tightening holes 24 of the face material 22 are covered with the surface material 22, and after the gypsum board 28 is cross-attached, the baseboard 3 is attached to the lower part.
0 can be attached.

[0007]

SUMMARY OF THE INVENTION The conventional wall panel 1 described above.
8, the tightening hole 24 for tightening the nut 26 to the anchor bolt 16 needs to be formed in the lower portion of the face material 22 on the indoor side of the wall panel 18,
Moreover, since the tightening hole 24 remains open, it is necessary to attach a member such as the gypsum board 28 to the indoor side surface of the face material to cover the tightening hole 24, and to directly cross the face material 22 with the cloth. When attaching or the like, there is no member for backing up the cloth in the tightening hole 24 portion, so that there is a problem that the cloth in that portion is dented or broken even with a slight force.

In particular, in recent years, for the purpose of promoting industrialization, reducing on-site construction work, and shortening the construction period, even for wall panels, exterior materials are preliminarily attached at the factory or the interior surface of the wall panel is attached. The gypsum board or other inorganic surface material is attached to the construction site, and at the construction site, after the wall panel is erected, the interior side surface is directly cross-attached to simplify the construction work and the construction period. It is designed to be shortened.

In this case, if a tightening hole for tightening the anchor bolt is formed in the gypsum board or other inorganic surface material and the tightening hole is left in the open state, the cloth is pasted in the state described above. There was a problem that dents and tears of the cross similar to the above were likely to occur.

The present invention has been made in view of the above-mentioned problems of the prior art, and its object is even when a fastening hole for fastening an anchor bolt is formed in a face material of a wall panel. , It is to provide a wall panel which can be directly finished on the surface material and a manufacturing method thereof.

In order to achieve the above object, the wall panel according to the first invention is formed by attaching a face material to at least the indoor side surface of a core material framed in a rectangular shape. In a wall panel having a fastening hole for an anchor bolt penetrating the core member at least in the lower part of the above, the fastening hole has a triangular shape having parallel stepped bottoms having different heights and having a high bottom portion and a low bottom portion. The shape of the opening is formed as a sloped surface that widens from the inside to the outside, and the tightening hole has a shape similar to the tightening hole and a symmetrical shape with the tightening hole, The height from the low bottom to the apex coincides with the height from the high bottom to the apex of the fastening hole, and a lid whose outer edge is formed as a slope corresponding to the opening edge of the fastening hole is attached. It is characterized by that.

The wall panel according to a second aspect of the present invention is characterized in that the face member is composed of a plate-shaped member made of an inorganic material.

In the wall panel according to the third aspect of the invention, the tightening hole is formed at a height position where the high base portion of the lid can be held at a position lower than the height of the skirting board when the lid is attached. Is characterized by.

In the wall panel according to the fourth aspect of the present invention, the opening formed between the low bottom side portion of the tightening hole and the high bottom side portion of the lid in the mounted state of the lid is used as an outlet for the wiring. It has a feature.

A method of manufacturing a wall panel according to a fifth aspect of the present invention is a method of manufacturing a wall panel having a fastening hole and a lid according to the first or second aspect of the present invention, wherein at least the interior of the rectangular frame-shaped core material is used. Half of the distance between the high bottom part and the low bottom part of the tightening hole is at least at the bottom of the face material attached to the side surface.
With a tapered cutter having a diameter of, a triangular contour having parallel step-shaped bottoms having different heights composed of the high base and the low base is cut out, and the opening formed by the cutout is The feature is that it is used as a tightening hole, and the cutout piece is turned upside down to form a lid.

[0015]

According to the first aspect of the invention, the upper portion of the fastening hole is surely closed by aligning the bottom portion of the lid with the high bottom portion of the fastening hole and attaching the lid to the fastening hole. The tightening holes can be used to tighten the anchor bolts, and after tightening and fixing, the finishing material can be directly processed from the top of the lid, resulting in dents or tears in the tightening holes. Can be prevented. Also,
By matching the slope formed on the opening edge of the tightening hole with the slope formed on the outer edge of the lid, it is possible to prevent the lid from falling out of the tightening hole.

According to the second aspect of the invention, even when the face material made of an inorganic material is previously used as the face material of the wall panel, the inorganic plate-shaped member is not attached from above the face material. The finishing process can be performed directly.

According to the third aspect of the invention, the fastening hole is formed at a height position where the high bottom portion of the lid can be held at a position lower than the height of the skirting board in the mounted state of the lid. It is possible to reliably cover the opening portion left in the state where the is attached with the skirting board.

According to the fourth aspect of the present invention, by using the opening portion left in the state where the lid is attached as the lead-out port for the wiring, the wiring work can be performed without forming a new wiring opening. .

According to the fifth aspect of the present invention, the tapered cutter having a diameter equal to one half of the high bottom portion and the low bottom portion of the tightening hole has parallel stepped bottoms having different heights. It is possible to form a lid that does not fall off simply by cutting out the triangular contour and reversing the cutout piece from side to side.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described in detail below with reference to the drawings.

1 and 2 are views showing a wall panel according to an embodiment of the present invention.

The wall panel 32, as shown in FIG.
An exterior material 36 is attached to the indoor side surface of the core material 34 framed in a rectangular shape, and the lower end portion of the exterior material 36 has a lower core material 34.
It extends to the lower end of the body difference 38 attached to the lower surface of the body and is fixedly attached to the body difference 38. Further, on the inner side surface of the framed core member 34, a face member 40 composed of a gypsum board or other plate-like member made of an inorganic material is used.
Is attached.

With the floor panel 44 laid on the upper surface of the foundation 42, the lower surface of the wall 38 of the wall panel 32 constructed as described above is the upper surface of the foundation 42 and the lower core member 34.
The lower surface of the base 42 is installed on the floor panel supported by the foundation 42, and the anchor bolts 46 protruding from the upper surface of the foundation 42 penetrate the space between the floor panel 44 and the body difference 38 and the lower core material 34 to penetrate the wall. The panel 32 is made to project.

Further, a tightening hole 48 for tightening the anchor bolt is provided at the protruding position of the anchor bolt 46 in the lower portion of the face member 40.
A nut 58 is inserted into the wall panel 32 through the tightening hole 48, screwed into the anchor bolt 46, and tightened and fixed by a wrench or other tightening means. A lid 50 is attached to the hole 48 to close the tightening hole 48.

As shown in FIG. 1, the tightening hole 48 is formed in a substantially triangular shape, and the bottom side 52 thereof has a high bottom side portion 5.
4 and the lower base portion 56 are formed in parallel steps having different heights. The height position of the lower bottom portion 56 is set to the upper surface position of the lower core member 34, so that the tightening of the nut 58 with the anchor bolt 46 is not hindered.

Further, the opening edge 60 of the tightening hole 48 is formed as an inclined surface 62 that expands from the inside to the outside of the wall panel 32.

The lid 50 has a substantially small triangular shape similar to the tightening hole 48, and the base 64 is a high base 66.
And the lower bottom portion 68 are formed in parallel steps having different heights. Further, the lid 50 has a symmetrical shape with the tightening hole 48, and is formed so that the height from the low bottom portion 68 to the apex 70 matches the height from the high bottom portion 54 to the apex 72 of the tightening hole 48. Has been done. Further, the outer edge 74 of the lid 50
Is formed as a slope 76 corresponding to the slope 62 of the opening edge 60 of the tightening hole 48.

Therefore, when attaching the lid 50 to the fastening hole 48, the lower bottom portion 68 of the lid 50 is attached to the fastening hole 48.
If they are attached in a state where they are aligned with the high bottom portion 54 of the, the sloped surfaces 62, 76 of the opening edge 60 of the tightening hole 48 and the outer edge 74 of the lid 50.
It is possible to prevent the lid 50 from dropping into the wall panel 32 due to mutual contact, and the low bottom portion 68 of the lid 50 contacts the high bottom portion 54 of the tightening hole 48. Therefore, the lid 50 is prevented from falling down.

When the lid 50 is attached, the lid 5
The high bottom portion 54 of the fastening hole 48 is set at a height position where the high bottom portion 66 of 0 can be held at a position lower than the height of the skirting board 78. An opening 80 formed between the low bottom portion 56 and the high bottom portion 66 of the lid 50 can be covered with a skirting board 78.

Further, when the lid 50 is attached, the opening 80 formed between the lid 50 and the tightening hole 48 is used as an outlet for wiring, so that wiring work can be performed without newly providing an outlet for wiring. Can be done.

As described above, the nut 58 can be tightened and fixed to the anchor bolt 46 through the tightening hole 48, and after the tightening and fixing, the lid 50 closes the tightening hole 48, whereby the face material 40 Even when the cloth is directly attached to the inside surface of the room, the cloth does not dent or break at the tightening holes 48, and the opening 80 generated when the lid 50 is attached is surely secured by the skirting board 78. Can be obscured.

Next, a method of manufacturing a wall panel will be described with reference to FIGS.

First, as shown in FIG. 3, a tightening hole 48 is formed in the lower portion of the face material 40 attached to the inner surface of the core material framed in a rectangular shape.

In forming the tightening hole 48, a substantially triangular contour having parallel stepped bottoms 52 having different heights, which is composed of the high bottom part 54 and the low bottom part 56, is cut out.

In this case, the tightening hole 48 is cut out with a taper cutter having a diameter of one half of the distance between the high bottom portion 54 and the low bottom portion 56, for example, a router. Slope 6 that widens from the inside to the outside of the opening edge 62 of 48
2 will be formed. At the same time, an inclined surface 76 having an inclination opposite to that of the inclined surface 62 is also formed on the outer edge of the cutout portion.

The opening formed by the cutout is used as the tightening hole 48, and the cutout piece is horizontally reversed to form the lid 50, so that the outer edge 74 of the lid 50 has an inclined surface 76 corresponding to the inclined surface 62. Will be formed.

As described above, the face material 40 is cut out, and the cutout pieces are reversed right and left to easily tighten the tightening hole 48 and the lid 50.
Will be formed.

The present invention is not limited to the above embodiments, but various modifications can be made within the scope of the gist of the present invention.

For example, in the above-mentioned embodiment, the case where the fastening hole to which the lid can be attached is formed in the lower part of the face material of the wall panel of the first floor installed on the foundation has been described, but the present invention is not limited to this example. It can also be applied to the upper wall panel, and it is also possible to form not only the lower part of the face plate but also the upper part of the face plate to form a fastening hole for connecting with the wall panel on the upper floor. Is. In addition, when it is provided on the upper portion of the face material, it is formed in a vertically symmetrical shape as compared with the case of providing it on the lower portion.

Further, although the face material made of an inorganic material has been described in the above embodiments, the present invention is not limited to this example, and can be applied to the case where a hard board or a fiber board is used as the face material.

[0041]

According to the first aspect of the present invention, the upper part of the tightening hole is surely secured by aligning the bottom part of the cover with the high bottom part of the tightening hole and attaching the cover to the tightening hole. The anchor bolt can be closed using this tightening hole, and after fixing with tightening, the finishing material is directly processed from the top of the lid, so that the finish material will not dent in the tightening hole. There is an effect that it can be prevented from breaking. Further, by matching the slope formed on the opening edge of the tightening hole with the slope formed on the outer edge of the lid, it is possible to prevent the lid from falling off from the tightening hole.

According to the second invention, even when a face material made of an inorganic material is used in advance as the face material of the wall panel, the face material is directly attached on the face material without attaching the inorganic plate member. There is an effect that finishing processing can be performed.

According to the third invention, the fastening hole is formed at a height position where the high base portion of the lid can be held at a position lower than the height of the skirting board in the mounted state of the lid. There is an effect that the opening portion left in the attached state can be surely covered with the skirting board.

According to the fourth aspect of the invention, by using the opening portion left in the state where the lid is attached as the wiring outlet, the wiring work can be performed without forming a new wiring opening. effective.

According to the fifth invention, a triangular shape having parallel step-shaped bases of different heights by a tapered cutter having a diameter of one half of the high base portion and the low base portion of the tightening hole. There is an effect that it is possible to form a lid that does not fall off simply by cutting out the contour of the shape and horizontally reversing the cutout piece.

[Brief description of drawings]

FIG. 1 is a front view showing a state in which a lid is attached to a tightening hole in a wall panel according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view showing a mounted state of the lid of FIG.

FIG. 3 is a front view of the wall panel showing a manufacturing state of the tightening hole and the lid.

FIG. 4 is a cross-sectional view showing a tightening hole portion of FIG.

FIG. 5 is a perspective view showing an attached state of a lid.

FIG. 6 is a cross-sectional view showing a state of a tightening hole in a conventional wall panel.

[Explanation of symbols]

32 wall panels 34 core material 40 face material 46 anchor bolt 48 tightening holes 50 lid 52,64 bottom 54,66 High base 56,68 Low base 60 Opening edge 62 slope 68 Low base 70,72 vertices 74 outer edge 78 Baseboard

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI E04B 2/56 642 E04C 2/46 E (58) Fields investigated (Int.Cl. ⁷ , DB name) E04B 2/00 E04B 2 / 56

Claims (5)

(57) [Claims] 1. A wall panel formed by attaching a face material to at least an indoor side surface of a rectangular frame-shaped core material, and having an anchor bolt fastening hole penetrating the core material in at least a lower portion of the face material. The tightening hole has a triangular shape having parallel step-shaped bases having different heights composed of a high bottom part and a low bottom part, and an opening edge of the tightening hole is formed as an inclined surface expanding from the inside toward the outside. The tightening hole has a shape similar to that of the tightening hole and is symmetrical with the tightening hole, and the height from the lower base to the apex is higher than the higher base of the tightening hole. A wall panel to which a lid having a height corresponding to that of the outer peripheral edge corresponding to the opening edge of the tightening hole is attached is attached. 2. The wall panel according to claim 1, wherein the face material is composed of a plate-shaped member made of an inorganic material. 3. The fastening hole according to claim 1, wherein the fastening hole is formed at a height position where a high bottom portion of the lid can be held at a position lower than a height of the skirting board in a state where the lid is attached. Characteristic wall panel. 4. The wiring according to claim 1, wherein an opening formed between the lower bottom portion of the tightening hole and the higher bottom portion of the lid when the lid is attached is used as a wire outlet. Wall panels. 5. A method of manufacturing a wall panel having a fastening hole and a lid according to claim 1 or 2, wherein at least a lower portion of a face material attached to at least an indoor side surface of a core material framed in a rectangular shape. , A tapered cutter having a diameter of ½ of the distance between the high bottom portion and the low bottom portion of the tightening hole, and a parallel step shape having different heights composed of the high bottom portion and the low bottom portion. A method of manufacturing a wall panel, wherein a triangular contour having a bottom side is cut out, the opening formed by the cutout is used as the fastening hole, and the cutout piece is laterally inverted to form a lid.