JP2001214546A - Joint structure for exterior wall panel and gasket - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a joint structure for exterior wall panels capable of readily maintaining the sealing performance of a joint part between the exterior wall panels without impairing the appearance of the joint part even if the width of the joint part varies. SOLUTION: The joint structure 10 is adapted for sealing the joint part 11 between a pair of exterior wall panels 16 disposed in adjacent relation. A notch 18 in the outer corner of the end face of each of the pair of exterior wall panels 16 located at the joint part 11 is formed with an inclined end face 19 which inclines inwardly away from the joint part 11. A gasket 17 mounted to the joint part 11 has tongue piece parts 21 projecting to both sides from a column part 20 located at the center of the gasket, each of the tongue piece parts 21 having on its inner surface a projecting inclined surface 22 which inclines inwardly away from the column part 20. With the projecting inclined surfaces 22 in intimate contact with the inclined end faces 19 of the pair of exterior wall panels 16, the gasket 17 is mounted to the joint part 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a joint structure of an outer wall panel for sealing a joint between a pair of adjacent outer wall panels, and a gasket constituting the joint structure.

[0002]

2. Description of the Related Art Exterior wall panels such as siding materials, ALC plates, cement plates, and the like constituting the outer wall surface of a building are excellent in structure and aesthetic appearance. Widely used as a material. Such an outer wall panel is manufactured in advance as a standard product of a predetermined shape in a factory or the like, and an outer wall is formed by arranging and fixing a plurality of outer wall panels on the outer wall surface via, for example, a rim at a building site of a building. You. According to such an outer wall panel, in order to prevent moisture such as raindrops from entering into the interior from the seam of the outer wall panel, a joint is provided between a pair of adjacent outer wall panels to seal the joint. Is adopted.

[0003] As a method of sealing the joint, there is known a wet sealing in which the joint is filled with a putty-like material. Further, as shown in FIGS. 5A and 5B, a gasket 50 which is an elastic packing material made of a resin such as natural rubber, synthetic rubber, thermoplastic elastomer, silicone, polyvinyl chloride or the like, metal, or the like is used. There is also known a joint structure configured to be fitted in a joint portion. According to the joint structure using the gasket 50, compared with wet sealing, it has durability, less adhesion of dirt, does not require curing after construction, does not require pretreatment such as primer treatment, It has the advantage that the quality is stable without the need for skill in the work.

However, according to the joint structure using the conventional gasket, when the joint width is large due to a variation in joint width due to a construction error (FIG. 5A), the outer wall panel by the tongue piece 51 of the gasket 50 is used. There is a possibility that the contact with the end face of the sealing member 52 becomes weak and the sealing performance is impaired. Further, when the width of the joint is narrowed (FIG. 5B), both ends of the tongue piece 51 of the gasket 53 jump out of the joint, and the appearance may be deteriorated and the sealing performance may be impaired.

The present invention has been made in view of such a conventional problem, and does not impair the external appearance of the joint portion of the outer wall panel. Even when the width of the joint portion changes, the sealing of the joint portion can be performed. An object of the present invention is to provide a joint structure of an outer wall panel and a gasket constituting the joint structure, which can easily maintain performance.

[0006]

SUMMARY OF THE INVENTION The present invention provides a joint structure (10) for sealing a joint (11) between a pair of adjacent outer wall panels (16). Each of the end surfaces of the pair of outer wall panels (16) is provided with a notch (18) at an outer corner thereof, and an end inclined surface (10) inclined inward in a direction away from the joint portion (11). 19) is formed, and the gasket (17) mounted on the joint (11) has a tongue piece (21) projecting to both sides from a central pillar (20).
A projecting inclined surface (22) which inclines inward in a direction away from the pillar portion (20) is provided on the inner surface thereof, and each end inclined surface (19) of the pair of outer wall panels (16) is provided on each of the two end surfaces. By providing a joint structure (10) for an outer wall panel, wherein the gasket (17) is attached to the joint part (11) with the overhanging inclined surfaces (22) in close contact with each other, The above object has been achieved (the invention of claim 1).

Here, the inside in the above description means the indoor side when the joint structure of the outer wall panel is installed on the outer wall of the building, and the outside means the outdoor side opposite to the inside. Things.

Further, the joint structure of the outer wall panel of the present invention (1)
0) It is preferable that the overhanging slope (22) is steeper than the end slope (19) (the invention according to claim 2).

Further, in the joint structure (10) for an outer wall panel according to the present invention, the gasket (17) includes the column portion (2).
The gasket fixing base (24) having a fixing piece (27) projecting to both sides at the inner end of the pair of outer wall panels (16) along the joints (11). It is preferable that the gasket (17) is mounted and fixed to the joint portion (11) by locking the pillar portion (20) to the fixing groove (28) via the fixing piece (27). (The invention according to claim 3).

Furthermore, in the joint structure (11) of the outer wall panel of the present invention, it is preferable that the gasket fixing stand (24) includes a metal plate (34) (the invention according to claim 4).

The present invention provides a gasket (17) mounted on a joint (11) between a pair of adjacent outer wall panels (16), and a central pillar (20) and the pillar (20). 20) and a tongue piece (21) projecting to both sides from the inner surface of the tongue piece (21).
The above object has been achieved by providing a gasket (17) having an overhanging inclined surface (22) inclined inward in a direction away from the gasket (claim 5). ).

In the gasket (17) of the present invention, joint sealing pieces (31) are provided outside the tongue piece (21) on both sides from the outer end of the pillar (20). It is preferable (the invention according to claim 6).

[0013]

Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. As shown in FIG. 1, a joint structure 10 of an outer wall panel according to an embodiment of the present invention includes a plurality of outer wall panels 16 arranged side by side to form an outer wall of a building, between adjacent pairs of outer wall panels 16. This is adopted to seal the joint portion 11.

That is, according to this embodiment, the outer wall is
As an example, an exterior panel 12 having an L-shaped cross section as an outer wall panel 16, an interior panel 13 also having an L-shaped cross section,
A first flat panel 14 interposed therebetween and a second flat panel 15 disposed on both sides thereof.
And a gasket 17 is fitted into the joint portion 11 formed between each pair of adjacent outer wall panels 16.

According to the joint structure 10 of the present embodiment, as shown in FIGS. 2A and 2B, each end face of the pair of outer wall panels 16 located at the joint portion 11 An end inclined surface 19 that is inclined inward in a direction away from the joint portion 11 is formed in the cutout 18 at the corner. The gasket 17 attached to the joint portion 11 has a tongue piece 21 projecting to both sides from a central pillar portion 20 and a projecting inclined surface 22 inclined inward in a direction away from the pillar portion 20 to an inner surface thereof. The gasket 17 is mounted on the joint portion 11 in a state in which the projecting inclined surfaces 22 on both sides are in close contact with the respective inclined surfaces 19 of the pair of outer wall panels 16.

The outer wall panel 16 is a board member for an outer wall such as a siding material, an ALC plate, a cement plate, etc., and is a panel having a desired shape having a notch 18 at an edge portion thereof at a factory or the like. 12, the through panel 13, the first flat panel 14, the second flat panel 15, etc.) (see FIG. 1). Here, the notch 18 at the edge can be provided by cutting at a construction site without cutting in advance in a factory or the like. These outer wall panels 16 are carried into the building site of the building,
For example, the joint portion is arranged and fixed along the outer wall surface via the trunk edge 23 and fixed while maintaining a necessary joint interval (for example, about 5 to 20 mm) on the outer wall panel 16 between the end faces. 11 is formed.

Notches 18 formed on each end face of the outer wall panel 16 are arranged to face each other at the joint portion 11, and each end inclined surface 19 is provided on both sides of the center line of the joint portion 11, It is arranged symmetrically inclined (FIG. 2 (a)
reference). Further, according to the present embodiment, a gasket fixing base 24 to be described later is tightly fixed to the surface of the body edge 23, and the outer wall panel 16 is attached to the body edge 23 via the gasket fixing base 24. By being
The gasket fixing stand 24 is laid along the joint portions 11 across the inner surfaces of the pair of outer wall panels 16.

The gasket 17 is made of an elastic material such as a resin such as natural rubber, synthetic rubber, thermoplastic elastomer, silicone, or polyvinyl chloride. It is a member of a scale and has a cross-sectional shape as shown in FIG.
That is, a central pillar portion 20 and a substantially triangular tongue piece portion 2 projecting obliquely inward from the outer end of the pillar portion 20 toward both sides.
The tongue piece 21 is a projecting inclined surface 22 whose inner surface is inclined inward in a direction away from the column 20. The flat outer end surface 25 of the gasket 17 and the outer inclined surface of the tongue piece 21 are covered with a surface collar 26 made of, for example, chlorinated polyethylene, which constitutes the outer surface of the gasket 17,
It has a structure that is excellent in weather resistance, ozone resistance, color stability, chemical resistance, heat resistance, combustion resistance, etc., and can maintain its function for a long time even when exposed to wind, rain, ultraviolet rays, and outer wall panel It matches with 16 colors and gives a good aesthetic appearance.

Further, according to the present embodiment, the gasket 1
7 has a fixing piece 27 projecting obliquely outward from the inner end of the pillar portion 20 on both sides, and while this fixing piece 27 is being retained in a fixing groove 28 of the gasket fixing stand 24 by its elasticity, The gasket 17 is firmly fixed in a state where it is pushed into the joint part 11 by fitting the inner part of the pillar part 20 into the fixing groove 28 and mounting it. Thereby, the tongue piece 21 of the gasket 17 has its leading end disposed in the notch 18 of the outer wall panel 16, and the pair of overhanging inclined surfaces 22 are formed at both ends formed in the notch 18. Each will firmly adhere to the inclined surface 19.

Here, according to the present embodiment, the slope of the projecting slope 22 of the gasket 17 is steeper than the slope of the end slope 19 of the outer wall panel 16. Accordingly, when the gasket 17 is pushed into the joint portion 11, the overhanging inclined surface 22 comes into contact with the end inclined surface 19, and then is further pushed and spread outward, and the elastic biasing force causes the end inclined surface 19 to expand. While being pressed, it is more firmly adhered to the end inclined surface 19.

A pair of outer wall panels 16 along the joint 11
The gasket fixing base 24 laid across the inner surface of the
As shown in FIGS. 2A and 3, a plate-like member having a width of about 30 to 60 mm is provided along the surface of the rim 23. The gasket fixing base 24 is
It is configured by attaching a base portion 33 made of plastic, rubber, or the like to an outer surface of a metal plate 34,
A fixing groove 28 formed by a pair of protruding pieces 29 is provided at a central portion of the base 33 over the entire length of the gasket fixing base 24 in the extending direction. The fixing groove 28 is formed at the joint portion 11 by the outer wall panel 16 inside the notch 18.
The gasket 17 is supported by the gasket fixing stand 24, and the projecting inclined surface 22 is connected to the end inclined surface 19 by being fitted between the end surfaces of the gasket 17 and the inner portion of the column portion 20 of the gasket 17. And is firmly fixed along the joint portion 11. In addition, since the gasket fixing base 24 includes the metal plate 34, it is possible to prevent the flame from entering the interior of the building through the joints 11 in the event of a fire or the like, thereby providing a fire protection function. Becomes possible.

According to the joint structure 10 of the outer wall panel 16 of the present embodiment, when the width of the joint portion 11 is widened due to a construction error or the like, the tongue piece portion 21 of the gasket 17 is pushed out and hit. The overhanging inclined surface 22 becomes stronger and more firmly adheres to the end inclined surface 19, so that the sealing performance of the joint portion 11 can be easily maintained.

Also, even when the width of the joint portion 11 is reduced, the projecting inclined surface 22 is in close contact with the end inclined surface 19 in a state of being spread, so that the elastic biasing force of the tongue piece portion 21 causes Following the deformation of the joint portion 11, the close contact between the overhanging inclined surface 22 and the end inclined surface 19 can be easily maintained, and the sealing performance of the joint portion 11 is determined by the overhanging inclined surface 22 and the end inclined surface. 19, and is not obtained by contact between the tip of the tongue piece 21 and the end face of the outer wall panel 16, the tongue piece 21
Does not jump out of the joint portion 11 to impair the appearance.

Further, since the sealing performance of the joint portion 11 is maintained by the close contact state between the overhanging inclined surface 22 and the end portion inclined surface 19, the height of the gasket 17 at the joint portion 11 is kept constant and the joint width is kept constant. The appearance can be made constant, the fall can be easily prevented, and the joint 1
The carving 1 is deep and a three-dimensional appearance in which the seal is emphasized can be obtained, and the gasket 17 is hard to be unnecessarily removed.

That is, according to the joint structure 10 of the outer wall panel of the present embodiment, the joint 11 can be changed without changing the width of the joint 11 without impairing the appearance of the joint 11 of the outer wall panel 16. The sealing performance can be easily maintained.

FIGS. 4A and 4B show another embodiment of the present invention. According to this embodiment, the gasket 30 has the joint sealing pieces 31 that protrude from the outer end of the pillar 20 to both sides outside the tongue piece 21, and the surface collar material 32 The point that the gasket 17 is attached so as to cover the outer surface of the piece 31 is different from the gasket 17 of the above embodiment, and the other configuration is the same as that of the above embodiment. The gasket 30 is mounted along the joint portion 11, and covers the notch 18 of the outer wall panel 16 with the joint sealing piece 31, thereby exhibiting an unusual aesthetic appearance with less unevenness in the joint portion 11. Become
Without impairing the appearance of the joint portion 11 of the outer wall panel 16
Even in the case where the width of the joint portion 11 is changed, the same effect as that of the above-described embodiment is obtained, in which the sealing performance of the joint portion 11 can be easily maintained. Here, since the joint sealing piece 31 is not for obtaining the sealing performance by contact with the end face of the outer wall panel 16, it can be easily processed into a shape that does not protrude from the joint section 11. is there.

The present invention is not limited to the above embodiments, and various changes can be made. For example, the overhanging slope may have the same slope as the end slope, and in this case, the gasket can be attached to the joint while the overhanging slope is pushed out. Further, the gasket can be fixed to the joint portion via other fixing means without providing a fixing piece on the gasket or using a gasket fixing stand. Further, as the gasket fixing base, a base entirely made of metal can be used, or a base in which a metal plate is embedded in a base made of plastic, rubber, or the like can be used.

[0028]

As described in detail above, according to the joint structure of the outer wall panel of the present invention, and the gasket and the outer wall panel constituting the joint structure, the joint of the outer wall panel is not impaired in appearance. Even when the width of the portion changes, the sealing performance of the joint portion can be easily maintained.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an outer wall of a building employing a joint structure of an outer wall panel according to an embodiment of the present invention.

FIG. 2A is a cross-sectional view showing a joint structure of an outer wall panel according to an embodiment of the present invention, and FIG. 2B is a cross-sectional view of a gasket.

FIG. 3 is a sectional view of a gasket fixing base.

FIG. 4A is a cross-sectional view of a gasket according to another embodiment of the present invention, and FIG. 4B is a cross-sectional view showing a joint structure of an outer wall panel.

FIGS. 5A and 5B are cross-sectional views illustrating a joint structure of a conventional outer wall panel.

[Description of Signs] 10 Joint structure of outer wall panel 11 Joint part 12 Outer panel 13 Insert panel 16 Outer wall panel 17 Gasket 18 Notch 19 End inclined surface 20 Column 21 Tongue piece 22 Overhanging inclined surface 23 Body edge 24 Gasket fixing stand 25 Outer end face 26 Surface collar material 27 Fixing piece 28 Fixing groove 29 Protrusion piece 30 Gasket 31 Joint sealing piece 32 Surface color material 33 Base 34 Metal plate

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Hiroyuki Harada 2-2-8, Mishino-cho, Nishi-ku, Hiroshima-shi, Hiroshima F-term in Nishikawa Rubber Industries Co., Ltd. (reference) 2E001 DA01 FA04 FA52 FA67 GA56 GA64 GA74 HB01 HD08 HD12 HD13 HE01 JD08 KA02 KA05 KA07 KA09 LA03 LA09 MA02 MA15 2E110 AA12 AB04 AB22 BA12 BD30 CA07 CA13 CA17 CB02 CC01 CC20 DA03 DA08 DB01 DB11 DB27 DB31 DC01 DD14 GA14Y GA14Z GA15Z GA24W GA25W GA25Y GA25Z GA28W GA33 GB33

Claims (6)

[Claims] 1. A joint structure for sealing a joint portion between a pair of adjacent outer wall panels, wherein each end face of the pair of outer wall panels located at the joint portion has an outer corner cut off. The notch is formed with an end inclined surface that is inclined inward in a direction away from the joint, and the gasket attached to the joint has a tongue piece protruding on both sides from a central pillar. In the state in which the overhanging inclined surface which inclines inward toward the direction away from the pillar portion is provided on the inner side surface, and the overhanging inclined surfaces on both sides are in close contact with each end inclined surface of the pair of outer wall panels, The joint structure of an outer wall panel, wherein the gasket is attached to the joint. 2. The joint structure for an outer wall panel according to claim 1, wherein the overhanging slope is steeper than the end slope. 3. The gasket fixing table according to claim 1, wherein the gasket has a fixing piece projecting to both sides at an inner end portion of the pillar portion, and the gasket fixing table is laid across the inner side surfaces of the pair of outer wall panels along the joint portion. The joint structure of the outer wall panel according to claim 1, wherein the gasket is mounted and fixed to the joint portion by locking the pillar portion to the fixing groove via the fixing piece. 4. The joint structure according to claim 3, wherein the gasket fixing base includes a metal plate. 5. A gasket mounted on a joint between a pair of adjacent outer wall panels, comprising: a central pillar; and a tongue protruding from the pillar on both sides. A gasket, wherein an inner side surface of the gasket is a projecting inclined surface which is inclined inward in a direction away from the pillar portion. 6. The gasket according to claim 5, wherein joint sealing pieces projecting to both sides from an outer end of the pillar are provided outside the tongue.