JPH02269264A - Joint structure for panel - Google Patents

Abstract

PURPOSE:To facilitate construction by fixing a panel to a building frame while the end sections in the width direction of the panel are brought into contact, fixing a joint cover fitting tool with a U-shaped cross section to the joint section of the panel, and coupling the coupling piece of a decorative cap with a hooking groove. CONSTITUTION:A panel A is formed into a sandwich structure with a lengthy metallic surface material 1 with a hat-shaped cross section, a heat insulating material 7 formed on the back face, and a metallic back face material 8 covering the back face. Side pieces 6 of the panel A are brought into contact with each other and fixed to a building frame delta with fixing tools beta made of a screw. A joint fitting cover fitting tool B is mounted on the joint section D between panels A and A so that its recessed groove 13 matches with a guide section 5, and a fixing piece 12 is fixed with fixing tools beta. The coupling section 23 of a lengthy joint cover C is coupled with the hooking section 14 of the joint cover fitting tool B, and the joint section D is constructed. Fire resistance and waterproofness can be improved.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a joint structure of panels used for architecture, exterior walls, partitions, and roofs of structures.

[Conventional technology]

Conventionally, the joints of this type of panel were made by actually connecting male and female connecting parts, as described in Japanese Utility Model Publication No. 52-3047, and passing bolts through the surface of the connecting parts and inserting nuts into the base. It had a fixed structure.

[Problem to be solved by the invention]

However, if the head of the fixture is exposed to the outside, there are disadvantages in that the waterproof property, anticorrosion property, and design of the outside are inferior.

Another drawback was that the joints of the panels could not be used as patterns. Furthermore, it had the disadvantage of being inferior in fire resistance.

[Means to solve the problem]

In order to eliminate such drawbacks, the present invention fixes the panel to the building frame by abutting the ends of the panel in the width direction, and provides a U-shaped lock with both ends protruding upward from the joint part of the panel. A joint structure of a panel is provided in which a joint cover fixture having a groove and having a cross section of approximately ■ shape is fixed, and an engaging piece of a decorative cap having a cross section of approximately π shape is fitted into the locking groove of the joint cover fixture. be.

〔Example〕

DESCRIPTION OF EMBODIMENTS An embodiment of a panel joint structure (hereinafter simply referred to as a joint structure) according to the present invention will be described in detail below with reference to the drawings. That is, FIG. 1 is a partially cutaway sectional view showing the above-mentioned joint structure, where A is a panel, B is a joint cover fixture, and C is a joint cover D is a joint portion. To explain in more detail, Panel A has a hat-shaped cross section as shown in Figure 2, and is formed on a long metal surface material (hereinafter simply referred to as the surface material) and on the back surface of the surface material. a heat insulating material 7 with a hat-shaped cross section, and a metal back material 8 (hereinafter simply referred to as back material) that covers at least the back surface of the heat insulating material 7 in the longitudinal direction.
It is formed into a sandwich structure. To explain further, the surface material and the back surface material 8 are metal materials, for example, A
II, Fe, Cu, stainless steel, aluminum/zinc alloy plated steel plate, colored copper plate, clad steel plate, damping steel plate (
Sandwich steel plate), fluorine-coated steel plate, etc. are formed by press working, extrusion molding, or roll forming. That is, on the surface material, as shown in Fig. 2, there is a long decorative surface 2 and both edges of the decorative surface 2 are bent downward, perpendicular to the decorative surface 2, or inclined inwardly or outwardly. side wall 3;
A protruding piece 4 whose lower end of the side wall 3 is bent outward and extended, and a joint cover fixture guide part 5 whose tip is bent upwardly or downwardly (hereinafter simply referred to as the guide part).
and a side piece 6 which is formed by bending the end edge of the guide part 5 vertically downward. As shown in Fig. 1, the guide part 5 serves as a guide when installing the joint cover fixture B, which has a bent part in the center. (In order to avoid this problem, the joint cover fixtures B are made short, so that they can be easily installed in a straight line. Also, when filling the raw materials for the heat insulating material 7, the side pieces 6 are In addition to preventing the material 7 from leaking onto the surfaces of the guide portion 5 and the protruding piece 4,
This is to make the side edges of the panels straight and allow the panels A to contact each other without any gaps. Furthermore, the guide portion 5 and the side piece 6 also function as reinforcement for the panel A itself. In addition, the length on the surface material is about 4,000 to 10,000 mm, and the width (
The convergence of the decorative surface 2) is about 400 to 900 m+, and the total width is 4
The width from the edge of the side wall 3 to the side piece 6 is about 20=100 mm, and the height from the decorative surface 2 to the protruding piece 4 is about 10 to 100 mm. The heat insulating material 7 mainly functions as a heat insulating material, a waterproof material, a sound absorbing material, a buffering material, or a fire prevention material. The materials include polyisocyanurate foam, polyurethane foam, phenol foam, polyurea foam, and one of these with flame retardants and flame retardant aids added, or one of these.
It consists of a structure in which more than one layer is laminated, or a structure in which one or more layers of mineral fibers or inorganic molded bodies are layered.

The heat insulating material 7 is made by discharging a raw material onto the back surface of the surface material and integrating it with a mold structure, or by integrating the molded body with an adhesive. Further, the back material 8 is as shown in Fig. 2, and as shown in Fig. 2, it mainly covers the back surface of the heat insulating material 7 and has the functions of a reinforcing material, a waterproof material, a moisture proof material, and a fire prevention material. , serves as an isolating material to prevent the heat insulating material 7 from coming into direct contact with the building frame α. In addition, back material 8
The shape may be a trough-like shape in which the longitudinal edges are bent vertically upward to form reinforcing pieces 9, 10, or a flat plate-like shape that covers only the back surface of the heat insulating material 7. In addition,
As shown in FIG. 2, it is preferable that the backing material 8 be formed so as not to come into contact with the top surface material and to prevent the backing material 8 from forming a thermal bridge on the top surface material. As shown in Fig. 3, the joint cover fixture B is made by bending and forming a metal plate, and has a horizontal fixing part U and a locking part that protrudes upward in a substantially U-shape from both ends of the fixing part U. It consists of the following parts. To explain in more detail, the fixing part is a horizontal fixing piece 12.
and a concave groove 13 that is recessed approximately in the center of the fixed piece 12, and the locking part consists of a rising piece 15 that projects upward from both ends of the fixed piece 12, and a raised piece 15 that extends downward from the tip of the rising piece 15. A locking groove 16 bent in a U-shape, a locking protrusion 17 formed to protrude from the inner surface of the locking groove 16, and a reinforcing piece bent downward in an L-shape from the tip of the locking groove 16. 18 and a tongue piece 19 obtained by folding back the tip of the reinforcing piece 18, and functions as a fixture for fixing a joint cover C, which will be described later, to the joint area between the panels A. To explain in more detail, the fixing piece 12 is a part for fixing the joint cover fixture B onto the protruding piece 4 to the panel, and the groove 13
is a part that is inserted between the guide parts 5 of the panels A and is useful for determining the mounting position of the joint cover fixture B. In addition, the locking protrusion 17 is for locking the engaging claw 25 of the joint cover 〇 to be described later, and for fixing the joint cover 〇 to the joint between the panels 8. When formed, even if the joint cover C is removed from one of the joint cover fixtures B, it will be locked by the other joint cover fixture B, so the joint cover C will not peel off and can be easily engaged and installed. becomes. Furthermore, the joint cover C is made of the above-mentioned metal thin plate material, and its shape is as shown in FIG. surface 21 and inclined decorative surface 2
A back piece 22 is placed along the back side of the decorative surface coin with the tip of 1 inward, and the tip of the back piece 22 is attached to the joint cover fitting B.
The engagement piece 2 hanging downward between the distance between the locking grooves 16 and the path.
4, and a retaining section consisting of a part of the engaging piece 24 or an engaging claw 25 formed to protrude outward or inward along the longitudinal direction. To explain in more detail,
As shown in Fig. 1, the decorative surface part Tsuyoshi covers the fixing tool β used when fixing the panel A on the building body α by fixing the joint cover 〇 to the joint area with the joint cover fixing tool B. However, this is to prevent the fixture β from being exposed to the outside. In addition, the engaging claw 25 is locked to the locking protrusion 17 of the joint cover fixture B, and by fitting the joint cover C to the joint cover fixture B, the joint cover C is securely placed on the joint edge. Moreover, it is intended to be fixed without coming off.

Next, a construction example will be explained.

In order to construct the outer wall as shown in Fig. 1, the frame α
Next, a panel A as shown in FIG. 2 is fixed to the building frame α by means of fixing devices β made of screws, with the side pieces 6 of the eight panels abutting each other. Next, attach the groove 1 of the joint cover fixture B to the joint between panels A as shown in Figure 3.
3 is placed so as to match the guide portion 5 of panel A, and the fixing piece 12 is driven and fixed to panel A with fixing tools β (including rivets and the like). Thereafter, the securing section of the elongated joint cover C as shown in FIG. 4 is fitted into the locking part H of the joint cover fixture B to complete the construction of the joint.

[Other Examples]

What has been described above is only one embodiment of the panel joint structure according to the present invention, and it can be formed as shown in FIGS. 5(a) to 5(e). That is, Figure (a) shows a joint structure in which a waterproof and fireproof sheet 26 is interposed between the protruding piece 4 and the joint cover fixture 8 to improve the fireproofing, airtightness, heat insulation, and fire resistance of the joint. (C) The figure shows a joint structure in which a waterproof, fireproof, adhesive, and weatherproof caulking material 27 is interposed between the side wall 3 and the joint cover fixture 8. A joint structure in which waterproofness, fire resistance, etc. are further improved by interposing a shaped paving plate 28, (d) is a joint structure in which
Joint structure formed by combining figures b) and (C), (e
) The figure shows a board 28 interposed between panels A, and a board 28
This is a joint structure in which the joint cover fixture B is positioned by the rising piece 28a.

[Effects of the Invention] As described above, according to the panel joint structure according to the present invention, (1) the head of the fixture is not exposed at the joint portion.

■Since the deformation when the panel is fixed is covered by the joint cover, no skill is required for construction. ■Since the joint cover has two engaging parts, there is no rattling and the engagement force is strong and will not fall off. ■The slanted decorative surface of the joint cover ensures elastic contact with the decorative surface of the panel, strengthening the fit and engagement force of the joint cover. It has the following characteristics and effects.

[Brief explanation of drawings]

FIG. 1 is a partially cutaway sectional view showing an example of the joint structure of a panel according to the present invention, FIG. 2 is an explanatory diagram showing an example of the panel, and FIGS. 3 and 4 are joints according to the present invention. An explanatory diagram showing an example of a joint cover fixture and a joint cover, which are members in the structure, and FIGS. 5(a) to 5(e) are explanatory diagrams showing other embodiments. A... Panel, B... Joint cover fixture, C...
Joint cover, D... joint part. Diagrams A, B, C, D, ・Panels, joint cover fixtures, joint covers, and joints.

Claims (1)

[Claims] (1) A long decorative surface, side walls provided on both sides of the decorative surface, a protruding piece that is also used for driving nails by bending the lower end of the side wall outward, and an end edge of the protruding piece. A metal surface material having a hat-shaped cross section formed by a guide part for a joint cover fixture that is bent downward and bent inward, and a side piece with the tip of the guide part for a joint cover fixture hanging downward. a panel composed of a plastic foam insulation material having a hat-shaped cross section filled in the back surface of the surface material, and a metal backing material covering at least the back surface of the insulation material; a horizontal nail driving part; A concave groove is formed by recessing the approximate center of the nail driving portion, and both end edges of the nail driving portion protrude upward to form a locking groove having a U-shaped cross section, and an inner surface of the locking groove. includes a locking part provided with a locking protrusion protruding inward, a joint cover fixture formed into a substantially ■-shaped cross section, a long decorative surface part, and both end edges of the decorative surface part inclined downward. an inclined decorative surface bent inward, a back piece whose tip of the inclined decorative surface is bent inward and extends substantially parallel to the back surface of the decorative surface portion, and an engagement piece with the tip of the back piece hanging downward. and an engaging portion formed by an engaging claw formed by protruding a part of the engaging piece inwardly or outwardly, using three members of a joint cover having a substantially ■-shaped cross section; The side panels of the panel are in contact with each other, and the protruding pieces are fixed to the frame using fixtures, and the joint cover fixture is fixed onto the joint between the protruding pieces, and the joint is attached to the locking part of the joint cover fixture. A panel joint structure characterized by being integrally formed by fitting an engaging part of a cover.