JPH0321761A - Joint structure for panel - Google Patents

Abstract

PURPOSE:To facilitate construction, and concurrently enhance fire resistance and waterproofness as well by abutting the both end sections of two panels each other to be fixed, disposing a joint filler fixedly in a continuous condition, thereby fixedly coupling a joint cover in via a joint cover fixture. CONSTITUTION:A core material composed of synthetic resin foams is filled in between a metallic surface member and a metallic back surface member so that a panel A is formed, and a reinforcing piece 9 is projected outward at one end periphery of the metallic back surface member in the lateral direction. Then, the both end faces of two panels A1 and A2 are abutted each other so as to be fixedly rested on the reinforcing piece 9 so that a water repellent joint filler B is fixedly interposed into the joint section E between the respective panels A1 and A2 in a continuous condition. Furthermore, a plurality of joint cover fixtures C furnished with locking sections at their both ends is fixed onto the joint section E so that joint cover D furnished with engaging sections at its both ends is integrally coupled in the joint cover fixture C.

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
As described in the publication, a structure in which the male and female type connecting parts are actually connected, and a bolt is passed through the surface of the connecting part and fixed to the base via a nut, or ■ Japanese Utility Model No. 64-449
As shown in Publication No. 06, the structure was such that a cover plate with an inverted T-shaped cross section was interposed on the back side of the male and female connecting structure. [Problems to be Solved by the Invention] However, in (2), the head of the fixing device is exposed to the outside, so there are disadvantages in that the waterproofness, corrosion resistance, and design of the outside are inferior. There was also a problem with fire resistance. Furthermore, in order to solve this weak point in fire resistance, it has been considered to interpose a cover plate on the back side to prevent the infiltration of flames and hot air, as described in (2) above, but it is difficult to install a cover plate. This was a time-consuming process, and errors in the installation of cover plates due to layout had a negative impact on the overall appearance of the wall. [Means for Solving the Problems] In order to eliminate such drawbacks, the present invention forms a panel from a core material made of resin foam between a metal surface material and a metal back material, and A reinforcing piece is formed on one edge in the width direction of the back panel material, and both end faces of the panel are brought into contact with each other, and the panel is fixed by being placed on the reinforcing piece, and the joints between the panels are fixed. A water-repellent joint material is continuously planted in the joint area, and a large number of
To provide a panel joint structure in which a joint cover fixture having locking parts at both ends is fixed, and a joint cover having retaining parts at both ends is integrally fitted to the joint cover fixture.

〔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 material, C is a joint cover fixture, D is a joint cover, and E is a joint portion.

To explain in more detail, the panel A has a hat-shaped cross section as shown in Fig. 2, and is mounted on a long metal surface material (
(hereinafter simply referred to as a surface material), a core material 7 having a hat-shaped cross section formed on the back surface of the surface material, and a metal back material covering at least the back surface in the longitudinal direction of the core material 7! (hereinafter simply referred to as the backing material) is formed into a sand inch structure. To explain further, the surface material and the back material are made of metal materials such as Aj2, Fe, Cu, stainless steel, aluminum, etc.
Type 1 steel sheets such as zinc alloy plated steel sheets, colored steel sheets, clad steel sheets, damping steel sheets (sand inch steel sheets), and fluorine-coated steel sheets are formed by roll forming, press working, extrusion forming, etc. That is, on the surface material, there is a long decorative surface 2, a side wall 3 bent with both edges of the decorative surface 2 downward, perpendicular to the decorative surface 2, or inwardly or outwardly; A protruding piece 4 whose lower end is bent outward and extended; a joint cover fixture guide part 5 whose tip is bent upwardly or downwardly (hereinafter simply referred to as a guide part); and an end of the guide part 5. It is constructed from a side piece 6 whose edge is bent vertically downward. The guide portion 5, as shown in FIG. 1, serves as a guide when installing a joint cover fixture C as shown in FIG. 3, which has a stabilizing piece l6 in the center. In addition, the side piece 6 prevents the core material 7 from leaking to the guide portion 5 and the surface side of the protruding piece 4 when filling the raw material for the core material 7, and also makes the side edge of the panel A straight, and This is to bring the A's into contact with each other without any gaps. Furthermore, the guide portion 5 and the side piece 6 also function as reinforcement for the panel A itself. Also, the length on the surface material is 400
Approximately 0 to 10,000mm, width W+ (width of decorative surface 2) is 40
Approximately 0 to 900 mm, total width Ws is approximately 450 to 1200 mm, and width W from the edge of side wall 3 to side piece 6 is 20 to 100 mm.
mm, the height H1 from the decorative surface 2 to the protruding piece 4 is 10~
It is about 100mm. The core material 7 mainly functions as a heat insulating material, a waterproof material, a sound absorbing material, a buffering material, or a fireproofing material. The materials include polyisocyanurate foam, polyurethane foam, phenol foam, polyurea foam, one of these with flame retardants and flame retardant additives added, or a laminate of one or more of these, or mineral fiber. It consists of a laminated structure in which one or more layers of inorganic or shaped bodies are interposed. The core 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 precept-shaped body with an adhesive. In addition, as shown in FIG. 2, the back material 8 mainly covers the back surface of the core material 7 and has the functions of reinforcing material, waterproof material, moisture proof material, and fireproofing material, and the core material 7 comes into direct contact with the body α. It serves as an isolating material to prevent In addition, the shape of the back material d is such that one end edge in the width direction has a reinforcing piece 9 that protrudes outward from the side piece 6 on the surface material, and a protrusion 10 that protrudes upward from the tip of the reinforcing piece 9. A side piece 11 is formed by bending the end of the reinforcing piece 9 upward, and the other end has a notch 12 bent in substantially the same shape as the reinforcing piece 9, and a side piece 11 with the tip of the notch 12 bent upward. A piece 13 is formed. To explain in more detail, the cutouts 12 are for storing the reinforcing pieces 9 and preventing steps and gaps from forming between the panels A when the panels A are connected as shown in FIG. At the same time, the joints E between the panels A and the joints of the panels A on the back side are shifted, and the reinforcing pieces 9 function as floorboards, thereby greatly improving fireproofing and waterproofing properties. Further, once the back material is made, if the width between the side pieces 11 and 13 is W4, the length of the reinforcing piece 9 is Wi, and the width of the notch l2 is W-, then the relationship is Wg = W4, Ws = W-. . As shown in FIG. 2, it is preferable that the backing material 1 be formed so as not to come into contact with the top surface material, and to be formed so that the main backing material does not form a thermal bridge on the top surface material.

As shown in Figure 1, joint material B is continuously planted between the guide parts 5 of panels A, and mainly improves waterproofness and airtightness, and secondarily improves durability, weather resistance, and fire resistance. , earthquake resistance,
It is intended to provide functions such as wind pressure resistance, and its materials include hot melt, silicone, polyurethane, acrylic, SBR, etc., or soft foam, rubber, EPDM, latex, etc. Seeds, and these include superabsorbent acrylic resins that expand when water is absorbed and contract when dry, borax, sodium metaborate, or aluminum hydroxide, phosphates, etc., which foam and harden by releasing crystal water under high heat. It is composed of one of the following. In addition, when a fire-resistant material is used as the joint material B, due to the synergistic effect with the reinforcing piece 9 of the panel A, it has fire resistance that can pass a fire resistance test. As shown in Fig. 3, the joint cover fixture C is a short piece made by bending or shaping a metal plate, and consists of a horizontal fixing part 1, a mounting hole 15, a stabilizing piece 16, and a locking part. It is what it is. To explain in more detail, the fixing part U has a horizontal plane shape, and consists of a mounting hole 15 and a stabilizing piece 16 formed by projecting downward from both ends of the approximately central part in the longitudinal direction, or by protruding downward from the central part (not shown). be. The locking part is formed of a rising piece 17 whose end edge of the fixed part is bent upward, and a locking piece l8 whose tip end is formed at an acute angle with respect to the extension line of the fixed part H. be. In addition, as shown in FIG. 1, the stabilizing piece 16
When installing the joint force bar D as shown in Fig. 4,
It is inserted and positioned between the guide parts 5 of the panel A, and it becomes easy to install a plurality of joint cover fixtures C in a straight line, making construction very easy. Its material is a metal material, such as stainless steel. In addition, the locking piece 18 is for locking an engaging piece 22 of a joint cover D to be described later and fixing the joint cover D to a joint part E between the panels A. By arranging the shape, even if the joint cover D is removed from one of the joint cover fixtures C, it will be secured by the other joint cover fixtures C, so that the joint force bar D will not fall off and be secured. It becomes easy to install. Furthermore, the joint cover D is made of the above-mentioned metal thin plate material, and its shape is as shown in FIG. Side 2
1, and an engagement piece 22 which is bent inward so that the tip of the side wall decorative surface 2l can be engaged with the above-mentioned engagement piece 18. To explain in more detail, as shown in Figure 1, a joint cover D is fixed between the joint parts using a joint cover fixture C, and the fixing used when fixing the panel A on the building frame α is used for each decorative surface section. Ingredient β
This is to cover the fixture β and prevent it from being exposed to the outside. In addition, the engagement piece 22 is a joint cover fixture C.
By fitting the joint cover D to the joint cover fixture C, the joint force bar D is reliably fixed onto the joint E without coming off.

Next, a construction example will be explained.

In order to construct an outer wall as shown in FIG. 1, a panel A as shown in FIG. 2 is placed on the frame α made of C-shaped steel, with a notch 12 placed on the reinforcing piece 9. Projecting piece 4
is fixed with a fixing device β such as a screw. By repeating this step in sequence, after the joints E of the panel A are formed, a joint material B made of an acrylic caulking material is successively planted in the joints E. after that,
A plurality of joint cover fixtures C as shown in FIG. 3 are fixed using fixtures β. After all the installation of the joint cover fixture C is completed, at the locking part of this joint cover fixture C,
The construction is completed by fitting a retaining part hammer of a long joint cover D as shown in FIG. 4, and covering the joint parts E between panels A with the joint cover D.

(Effects of the Invention) As described above, according to the joint structure of the panel according to the present invention, ■ the reinforcing piece formed at one end edge of the metal backing material functions as a paving board, and has good fireproof and fireproof properties (flame resistance). (infiltration prevention), resulting in a wall with significantly improved waterproof properties. ■The wall has improved workability because there is no intervening siding board on the back side of the joint. ■The joint material greatly improves the waterproofness and airtightness of the joint area. ■The head of the fixture is not exposed at the joint.

■Since the deformation when the panel is fixed is covered by the joint cover, no skill is required for construction. ■Since the joint cover fixture is short, the joint cover can be easily attached and will not come off. 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 view showing an embodiment of the panel, and Fig. 3 is an embodiment of the joint cover fixture. FIG. 4 is an explanatory diagram showing one embodiment of the joint cover. A... Panel, B... Joint material, C... Joint cover fixture, D... Joint cover, E... Joint part. Figure l

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 with a hat-shaped cross section formed from a guide portion for a joint cover fixture that is bent upward or downward and bent inward, and a synthetic resin material with a hat-shaped cross section filled on the back side of the surface material. A core material made of a foam, and covering at least the back surface of the core material,
One end edge in the width direction has a reinforcing piece formed to protrude outward from the full width of the surface material, and the other end edge has a metal backing material having a bent notch in substantially the same shape as the protruding piece. A panel comprising: a joint material having at least water-repellent properties; a horizontal fixing part; a rising piece with both ends of the fixing part bent upward; and a locking piece with the tip of the rising piece bent inward. A short joint cover fixture having a locking part, a horizontal decorative surface part, a side wall decorative surface with both edges of the decorative surface bent downward at an obtuse angle, and a side wall decorative surface with the tip of the side wall decorative surface bent inward at an acute angle. The notch of the panel is placed on the reinforcing piece, and the protruding piece is fixed to the frame body by a fixing device, and the panel is A joint material is continuously planted on the abutting surfaces of the panels, a large number of the joint cover fixtures are fixed at a predetermined pitch on the protruding pieces of the panels, and the joint cover is attached to the locking part of the joint cover fixture. A panel joint structure characterized in that it is formed by fitting an engaging part of a joint cover into the panel.