JP2752427B2 - Panel joint structure - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a joint structure of a panel used for an exterior wall, a partition, or a roof of a building or a building.

[Conventional technology]

Conventionally, the joints of this type of panel are actually connected with male and female connectors as described in Japanese Utility Model Publication No. 52-3047.
In addition, a bolt is penetrated from the surface of the connecting portion, and is fixed to the base via a nut.

[Problems to be solved by the invention]

However, when the head of the fixture is exposed to the exterior, there is a disadvantage that the waterproofness, the corrosion resistance and the design of the exterior are inferior. Further, there is a disadvantage that the joints of the panel cannot be used as a pattern. Further, there was a disadvantage that the fire resistance was poor.

[Means for solving the problem]

According to the present invention, in order to eliminate such a drawback, a panel is fixed to a frame by abutting an end in a width direction of the panel, and a U-shaped locking member having both ends protruding upward with respect to a joint of the panel. A joint cover attachment having a substantially cross-sectional shape having a groove is fixed, and the joint groove is fixed to the joint groove of the joint cover attachment. And a joint structure of a panel in which the engaging piece of the decorative cap is fitted.

〔Example〕

Hereinafter, an embodiment of a joint structure of a panel according to the present invention (hereinafter, simply referred to as a joint structure) will be described in detail with reference to the drawings. That is, FIG. 1 is a partially cutaway sectional view showing the joint structure, wherein A is a panel, B is a joint cover attachment, C is a joint cover, and D is a joint portion. More specifically, as shown in FIG. 2, the panel A has a hat-shaped cross section and an elongated metal surface material 1 (hereinafter simply referred to as a surface material), and is formed on the back surface of the surface material 1. A cross-section hat-shaped heat insulating material 7 and a metal back material 8 (hereinafter simply referred to as a back material) covering at least the back surface in the longitudinal direction of the heat insulating material 7 are formed in a sandwich structure.
More specifically, the front surface material 1 and the back surface material 8 are metal materials such as Al, Fe, Cu, stainless steel, aluminum / zinc alloy-plated steel plates, color steel plates, clad steel plates, vibration damping steel plates (sandwich steel plates), fluorine coated steel plates, and the like. Is formed by press working, extrusion forming, and roll forming. That is, the surface material 1 has a long decorative surface 2 as shown in FIG.
A side wall 3 which is bent by inclining both side edges of the decorative surface 2 downward, perpendicular to the decorative surface 2, or inward and outward, and a protruding piece 4 which is formed by bending the lower end of the side wall 3 outward and extending; The joint 5 is composed of a joint cover mounting guide 5 (hereinafter, simply referred to as a guide) whose tip is bent upward or downward and a side piece 6 whose edge is bent vertically downward. Things. In addition, as shown in FIG. 1, the guide portion 5 serves as a guide when being attached to the joint cover attachment B having a bent portion in the center, and particularly, the joint cover C is surely and hardly detached. In this case, the joint cover attachment B is formed to be short, and it is easy to mount the joint B in a straight line. When the side piece 6 is filled with the raw material of the heat insulating material 7, the heat insulating material 7 is
And to make the side edges of the panel A straight so that the panels A can contact each other without any gap. Further, the guide portion 5 and the side piece 6 are provided on the panel A.
It also functions as a reinforcement for itself. Also, surface material
The length of 1 is about 4000-10,000 mm, and the width (width of decorative face 2) is 400
~ 900mm, total width is about 450 ~ 1100mm, width from side wall 3 edge to side piece 6 is about 20 ~ 100mm, piece 4 protruding from decorative face 2
The height is about 10-100mm. The heat insulating material 7 mainly functions as a heat insulating material, a waterproof material, a sound absorbing material, a cushioning material, or a fire preventing material. As the material, polyisocyanurate foam, polyurethane foam, phenol foam, polyurea foam, and a flame retardant,
It is one of those to which a flame retardant aid is added, or one or more of these are laminated, or has a structure in which one or more mineral fibers or inorganic molded bodies are laminated. The heat insulating material 7 discharges a raw material to the back surface of the surface material 1 and integrates it by a mold structure, or integrates a molded body by an adhesive. The back material 8 is as shown in FIG. 2, and mainly covers the back surface of the heat insulating material 7 as shown in FIG. 2, and has functions of a reinforcing material, a waterproof material, a moisture-proof material, and a fire-proof material. , And serves as an insulating material for preventing the heat insulating material 7 from directly contacting the skeleton α. Further, the shape of the back surface member 8 is formed in a trough shape in which the longitudinal edges are bent vertically upward to form the reinforcing pieces 9 and 10, or a flat plate shape covering only the back surface of the heat insulating material 7. . It is preferable that the back material 8 is formed so as not to contact the front material 1 as shown in FIG. 2 and is formed so that the front material 1 and the back material 8 do not form a thermal bridge. Joint cover attachment B
As is shown in FIG. 3, obtained by bending a metal plate, and a horizontal plane of the fixed portion 11 and a locking portion 14 for protruding in a substantially U shape both edges above the fixed portion 11 Things. More specifically, the fixing portion 11 is composed of a horizontal fixing piece 12 and a concave groove 13 having a substantially central concave portion formed in a concave shape, and the locking portion 14 protrudes upward from both end edges of the fixing piece 12. A raised piece 15, a locking groove 16 in which the tip of the rising piece 15 is bent downward in a U-shape, a locking projection 17 protruding from the inner surface of the locking groove 16, and a tip of the locking groove 16. Piece 18 bent downward in an L-shape and a tongue piece with the tip of the reinforcing piece 18 turned back
19, and functions as a fixture for fixing the joint cover C described later to the joint portion D between the panels A. More specifically, the fixing piece 12 is a part for fixing the joint cover attachment B on the projecting piece 4 of the panel A, and the concave groove 13 is inserted between the guide parts 5 of the panels A, and the joint cover attachment This part is useful for positioning the mounting position of B. The locking projection 17 is a joint cover C described later.
The joint claw 25 is locked to fix the joint cover C to the joint portion D between the panels A. When the joint cover attachment B is formed in a short shape, one of the joint cover attachments B is formed.
Even if the joint cover C comes off, the joint cover C is locked by the other joint cover mounting tool B, so that the joint cover C does not peel off and can be easily engaged and mounted. Further, the joint cover C is made of the above-described thin metal plate, and the shape thereof is the fourth.
As shown in the figure, the horizontal plane of the decorative surface portion 20, the decorative surface portion 20
An inclined decorative surface 21 in which both end edges of the decorative surface 21 are bent downward, a tip 22 of the inclined decorative surface 21 inward along a back surface of the decorative surface portion 20 , and a tip of the reverse surface piece 22 with the joint. An engagement piece that is substantially the same as the interval between the locking grooves 16 of the cover attachment B and that hangs downward.
24, and an engaging portion 23 formed by a part of the engaging piece 24 or an engaging claw 25 formed to protrude outward or inward along the longitudinal direction. More specifically, as shown in FIG. 1, the decorative surface portion 20 is configured such that the joint cover C is fixed to the joint portion D by the joint cover fixture B.
This is for covering the fixing tool β used when fixing the panel A on the frame α so that the fixing tool β is not exposed to the outside. Further, the engaging claw 25 is locked by the locking projection 17 of the joint cover fixture B, and the joint cover C is connected to the joint cover fixture B.
To fix the joint cover C on the joint portion D securely and without detachment.

 Next, a construction example will be described.

Now, in order to construct an outer wall as shown in FIG. 1, a panel A as shown in FIG.
To fix to the frame α. Next, the joint portion D between the panels A
On the other hand, the groove of the joint cover fitting B as shown in FIG.
13 is placed so as to match the guide portion 5 of the panel A, and the fixing piece 12 is driven and fixed to the panel A by a fixing tool β (including a rivet or the like). Thereafter, the engaging portion 23 of the long joint cover C as shown in FIG. 4 is fitted to the locking portion 14 of the joint cover fixture B, and the joint D is completed.

[Other Examples]

The above is only one embodiment of the panel joint structure according to the present invention, and can be formed as shown in FIGS. 5 (a) to 5 (e). That is, FIG. 1A shows a joint structure in which a waterproof and fireproof sheet 26 is interposed between the projecting piece 4 and the joint cover fixture B to improve the fireproofness, airtightness, heat insulation, and fire resistance of the joint portion D. (B) is a joint structure in which a caulking material 27 having waterproofness, fire resistance, adhesiveness, and weather resistance is interposed between the side wall 3 and the joint cover fixture B, and (c) is a sectional view between the panels A. Joint structure further improving waterproofness, fire resistance, and the like by interposing a mesh-like floor plate 28, (d) is a joint structure formed by combining (b) and (c),
(E) In the figure, a timber plate 28 is interposed between panels A,
The joint structure is such that the joint cover attachment B is positioned by the rising piece 28a.

〔The invention's effect〕

As described above, according to the panel joint structure of the present invention, the joint head does not expose the head of the fixture. Since the deformation at the time of fixing the panel is covered by the joint cover, no skill is required for construction. Since the joint cover has two engaging portions, there is no backlash and the engaging force does not peel off strongly. Due to the inclined decorative surface of the joint cover, the decorative surface of the panel is securely and elastically contacted with the decorative surface of the panel, so that the joint cover is settled and the engaging force is enhanced. There are features and effects such as.

[Brief description of the drawings]

1 is a partially cutaway sectional view showing an example of a joint structure of a panel according to the present invention, FIG. 2 is an explanatory view showing an embodiment of the panel, and FIGS. 3 and 4 are joints according to the present invention. FIG. 5 (a) to FIG. 5 (e) are explanatory views showing an example of a joint cover attachment and a joint cover which are members in the structure, and FIG. A: Panel, B: Joint cover attachment, C: Joint cover, D: Joint.

Claims (1)

(57) [Claims] 1. A long decorative surface, side walls provided on both side edges of the decorative surface, a projecting piece for nailing and extending by bending a lower end of the side wall outward and extending, A metal section having a hat-shaped section formed from a guide portion for a joint cover attaching tool having an edge bent downward and inwardly bent, and a side piece having a distal end of the guide portion for the joint cover attaching tool hanging downward. A panel comprising a surface material, a heat-insulating material made of plastic foam having a hat-shaped cross section filled on the back surface of the surface material, and a metal back material covering at least the back surface of the heat insulating material; A concave groove formed by recessing a substantially central portion of the nail driving portion, and a locking groove having a U-shaped cross section by projecting both end edges of the nail driving portion upward and forming the locking groove. A joint cover attachment formed in a substantially cross-sectional shape from a locking portion provided with a locking projection protruding inward on the inner surface; -Shaped decorative surface portion, an inclined decorative surface in which both end edges of the decorative surface portion are inclined downward and bent, and a tip of the inclined decorative surface is bent inward and provided substantially parallel to the back surface of the decorative surface portion. Engagement formed from a back piece, an engagement piece with the tip of the back piece hanging down, and an engagement claw formed by projecting a part of the engagement piece inward or outward partly. Section consisting of Using the three members of the joint cover, the panel abuts the side pieces together, and the projecting piece is fixed to the skeleton by a fixing tool, and the joint cover attaching tool is fixed on the joint part between the projecting pieces. A joint structure for a panel, wherein an engaging portion of a joint cover is fitted to a locking portion of a cover attachment to be integrally formed.