JPH03279539A - Structure of joint portion - Google Patents

Abstract

PURPOSE:To make a fireproof structure of a joint portion and to improve its watertightness by placing a gap blocking member consisting of a base piece, a stopping projection, a contact piece and a dressing piece together with packing members between adjacent exterior members. CONSTITUTION:Packing members 2, 2 are placed on the indoor side (I) between end faces of adjacent exterior members 1a, 1b, and a metallic gap blocking member 3 is placed on the outdoor side (O) between them. Then a stopping projection 6 provided on a base piece 4 of the gap blocking member 3 is positioned in a recessed groove 7 provided in the end place of one of the exterior members 1a. Then a contact piece 5 leaded out from the base piece 4 toward the indoor (I) is contacted to the end plane of the other exterior member 1b. And the tip of a dressing piece 8 leaded out from the base piece 4 to the outdoor side (O) is placed in a recession 9 provided on the end plane of the other exterior member 1b. Thereby a joint portion A can be blocked reliably.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to the structure of joints formed between adjacent exterior materials when the exterior materials are attached adjacent to the exterior surface of a building.

[Prior art 1] Conventionally, exterior materials 1 are attached to the exterior surface of a building, and joints A formed between the side end surfaces of adjacent exterior materials 1 are generally treated as shown in FIG. It is being done. In these cases, the joint A is treated by filling the filler 13 into the joint A from the outdoor side port.

In the case shown in FIG. 5(a), the back-up material 13a is filled, and the outdoor side opening of the back-up material 13a is filled with the sealing material 13b.
is a packing material attached to the ill end face of each exterior material 1, and when the exterior material 1 is attached, the tips thereof are pressed against each other to ensure water tightness. Figure 5 (
In the case shown in b), the joint area A is opened from the outdoor side entrance.
A back-up material 13a is filled in the indoor side A of the back-up material 13a, a draining metal fitting 14 is arranged at the outdoor side opening of the back-up material 13a, and a sealing material 13b is filled in the outdoor side opening of the draining metal fitting 14.

At this time, the draining hardware 14 is arranged so as to extend around the back side of one of the exterior members 1. In addition, as shown in FIG. 6, male seeds and female seeds are formed on the side end surface of each exterior material 1, and the male seeds and #I seeds are fitted together and the packing materials 2 are brought into pressure contact with each other. Products designed to ensure sex are also available.

[Problem to be Solved by the Invention 1] However, in the conventional example described above, the packing material and the filler material are made of an elastic body, so they deteriorate severely due to the effects of rain, direct sunlight, etc., and the lifespan is shortened. There is a problem that cracks occur due to deterioration and dirt easily adheres, spoiling the appearance of joint A.Furthermore, the fire resistance is low, making joint A a fireproof material. Furthermore, since the filling material 13 must be filled from the outdoor side entrance, tools such as external scaffolding and gondolas must be used when working at heights. There was a problem in that this required a large amount of work.

The present invention is an attempt to solve the above-mentioned problems, and its purpose is to provide a joint structure that can make the joint part fireproof and also improve waterproofness. .

[Means for Solving the Problems 1] In order to achieve the above object, the structure of the joint in the present invention is such that a packing material 2 is interposed between the indoor side lI1 end faces of adjacent exterior materials 1, and each exterior material A metal gap closing member 3 is interposed between the gA end faces of the outdoor side entrance of one side, and the gap closing member 3 is extended to the indoor armor from the base piece 4 pressed against the 1Ilj11 surface of one exterior material 1a. The contact piece 5 is brought into pressure contact with the side end surface of the other exterior material 1b, and the locking protrusion 6 protruding from the base piece 4 is positioned in the groove 7 recessed in the side end surface of the one exterior material 1a. The tip of the decorative piece 8 extended from the base piece 4 to the outdoor side opening is positioned in a recess 9 formed in the IM end face of the other exterior member 1b.

[Function 1] By arranging the metal gap closing member 3 at the outdoor side entrance between the side end surfaces of the facing exterior materials 1, the joint part A can be made into a fireproof structure, and Waterproof performance can be ensured by interposing the punching material 2 on the indoor side of the gap closing member 3. In addition, the gap closing member 3 has the locking protrusion 6 and the decorative piece 8 located in the groove 7 and the recess 9 formed in the side end surface, so that the exterior material 1
Even if it contracts, it will not come off easily than the edge surface.

[Example] Hereinafter, the present invention will be explained in detail based on illustrated embodiments.

As shown in Fig. 1, a plurality of exterior materials 1 are attached so as to be adjacent to each other along the outer surface of the building, and joints A are formed between adjacent exterior materials 1. . In the illustrated embodiment, a plurality of sheets are arranged adjacent to each other in the vertical direction.

Among the adjacent exterior materials 1, elastic packing materials 2 are provided on the indoor side A of the 1U11 surface of one exterior material 1a and the indoor side A of the 1III end surface of the other exterior material 1b. By arranging the packing material 2 next to each other,
They are pressed together to ensure waterproofness. This packing material 2 is provided with a locking claw 2a at one end and a hollow tube body 2b at the a end, and the locking claw 2a is connected to a groove formed in the side end surface of each exterior material 1. 10 and is attached to the side end surface of the exterior material 1, and the tube bodies 2b are pressed against each other to ensure waterproofness. A gap closing member 3 is interposed at the outdoor side opening between the III end faces of each exterior material 1 so as to close the joint A. This gap closing member 3 is made of metal such as a steel plate, and includes an abutting piece 5 projecting from one end of the base piece 4 with a U-shaped cross section as shown in FIG. It is composed of a decorative piece 8 hanging from the other end.

The base piece 4 is provided with a locking protrusion 6 that projects upward by bending the center part, and the gap closing member 3 has the locking protrusion 6 recessed in the side end surface of one of the exterior members 1a. The decorative piece 8 is disposed between the side end surfaces of adjacent exterior materials 1 by engaging with the groove 10 and engaging with a recess 9 provided in the full end surface of the other exterior material 1b. At this time, the width of the concave groove 7 is made larger in consideration of the positioning of the gap closing member 3 and the positional shift due to the spring property. The length a of the decorative piece 8 is larger than the distance between the base piece 4 and the abutting piece 5, so that the abutting piece 5 is brought into pressure contact with the side end surface of the other exterior material 1b. When the gap closing member 3 is arranged between the side end faces, the decorative piece 8 is reliably positioned within the recess 9. The length a of the tab, wa, and decorative piece 8 is larger than the width of the joint A, which is the height between the base piece 4 and the abutting piece 5, so that the decorative piece 8 can fit into the recess. 9, the joint A is closed. A folded piece 11 is provided at the tip of the contact piece 5 and the tip of the decorative piece 8 by folding back. If the metal gap closing member 3 is placed at the outdoor side entrance of the joint A as described above, it is possible to make the joint A a fireproof structure. By arranging the packing material 2, waterproof performance can be ensured, and the joint WSA can be made into a fireproof structure, and the waterproof property can be improved. Also, since the contact piece 5 is pressed against the side end surface of the other exterior material 1b against the spring force, the joint area A
Furthermore, even if the exterior material 1 is misaligned, the contact piece 5 will remain in contact with the side end surface due to its spring properties, which will prevent the exterior material 1 from misaligning. can be followed.

Therefore, when installing, the packing material 2 is attached to the side end surface of each exterior material 1, and the tip of the decorative piece 8 is positioned in the recess 9, so that the exterior material located below the indoor side A Place the gap closing member 3 on the side end surface of 1,
The exterior material 1 is placed on the gap closing member 3 so that the locking protrusion 6 protruding from the base piece 4 is located in the groove 7, so that the gap closing member 3 is placed in the joint part A. The exterior materials 1 are arranged next to each other. At this time, by applying, for example, an inorganic paint to the surface of the exterior material 1 and the surface of the gap closing member 3, the joint portion A can be made inconspicuous in appearance. Reference numeral 12 in FIG. 4 is a metal joint member disposed at a joint formed in the vertical direction of adjacent exterior materials 1, and is formed to have a convex cross section.
The leg pieces 12a at both ends are fitted into grooves 7' formed in the S end face of each sheathing member 1, thereby placing them at the joints. By placing the exterior material 1 on the gap closing member 3 with the gap closing S member 3 mounted as described above, the gap closing member 3
By being able to arrange the material between the side end faces of each exterior material 1, the gap wg blocking material placed at the joint part A can be installed from the indoor side A, which eliminates the possibility of work at heights. However, it can be installed without using scaffolding, gondolas, etc., and work efficiency can be improved.

FIG. 2 shows a recess 9 formed in the side end surface of the other exterior material 1b.
This shows another example, in which:
The recess 9 is formed in the shape of a groove, and the tip of the decorative piece 8 is connected to the recess 9.
[Effects of the Invention] As described above, the joint structure of the present invention is arranged between the indoor side @ end faces of adjacent exterior materials. A metal gap closing member is interposed between the outdoor side end surfaces of each exterior material with a packing material interposed, and a gap closed that extends indoors from the base piece that is press-welded to the side end surface of one of the exterior materials. The contact piece of the member is pressed against the side end surface of the other exterior material, and the locking protrusion protruding from the base piece is positioned in the groove recessed in the side end surface of one exterior material, and Since the tip of the decorative piece extended to the outdoor side is positioned in the recess formed in the side end surface of the other exterior material,
The joint part has a metal gap that opens and closes! ! ! It is possible to have a fireproof structure depending on the member, and waterproof performance can be ensured by interposing a packing material behind the gap closing member, and the joint part has a fireproof structure. In addition, it is possible to improve waterproofness.

[Brief explanation of the drawing]

Fig. 1 is a cross-sectional view of one embodiment of the present invention, Fig. 2 is a cross-sectional view of another embodiment of the same as above, Fig. 3 is a side view of the gap 1 lll I main member, and Fig. 4 is a state in which the gap closing member is installed. 5(a) and 5(b) are cross-sectional views showing each embodiment of the conventional example, and FIG. 6 is a cross-sectional view showing another conventional example same as the above. Exterior material, 2 is a packing material, 3 is a gap closing member, 4 is a base piece, 5 is a contact piece, 6 is a locking projection, 7 is a groove, 8 is a decorative piece, 9 is a recess, A is an indoor side , the mouth is on the outdoor side.

Claims (1)

[Claims] [1] A plurality of exterior materials are attached adjacent to the exterior surface of a building, and in the structure of the joint formed between the adjacent exterior materials, between the indoor side end surfaces of the adjacent exterior materials. A packing material is interposed and a metal gap closing member is interposed between the outdoor side end surfaces of each exterior material, and a gap closing member that is extended indoors from a base piece that is press-welded to the side end surface of one of the exterior materials. The contact piece of the member is pressed against the side end surface of the other exterior material, and the locking protrusion protruding from the base piece is positioned in the groove recessed in the side end surface of one exterior material, and A joint structure characterized in that a tip of a decorative piece extended outdoors is positioned in a recess formed in a side end surface of the other exterior material.