JPH11324149A - Joint member and joint structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a joint member and joint structure which have same durability, tone, and texture as those of an inorganic external wall panel. SOLUTION: A metal thin plate joint member main body 5 is so formed that the front part 6 is flat, slight bent angles are formed in wall opposed parts 7 (side parts) to the end face 3 of a wall member 2, and a lap part, 8 formed by overlapping the end plate parts with each other is provided in the inner part so that it becomes a box cross section having a hexagonal shape near a square. Because the bent angle of the metal thin plate 1 is so adjusted that the interval of the longest part of the both wall opposed parts 7 becomes larger than the interval of the joint part 4, a restitutive force of a spring is formed in inserting the both wall opposed parts 7 into the joint part 4, and the lap part, 8 and the both wall opposed parts 7 are expanded in the direction of the clearance of the joint part 4 to self hold the joint part 4. An elastic element 9 which can seal a space toward the end face 3 of the wall member 2 is stuck over a part or the whole part of the both wall opposed parts 7 in the metal thin plate joint member main body 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint member and a joint structure inserted into a joint portion of an outer wall member used for a building material or the like.

[0002]

2. Description of the Related Art As an outer wall member used for building materials and the like, an inorganic hardened body having extremely excellent properties is proposed in Japanese Patent Application Laid-Open No. 4-45471, and an outer wall having a durability of 40 to 50 years or more. Panels can be provided.

On the other hand, the following members are used as joint members or joint structures to be inserted into joint portions of the outer wall panel.

For example, Japanese Unexamined Patent Publication (Kokai) No. 58-64713 proposes a joint member having a structure in which a wedge-shaped metal protector is inserted into a bifurcated second seal portion of a rubber gasket, which is excellent in durability and water tightness. Have been. The wedge-shaped metal protector is made of a hard and rigid material such as stainless steel or aluminum, and the metal surface of the metal protector is exposed as it is, or the metal surface is coated with organic paint. I do.

Further, as disclosed in Japanese Patent Application Laid-Open No. 6-346522, the sealing of the joints between the wall surfaces is strengthened by utilizing the repulsive force of the leaf spring, so that the joints are located deeper than the rubber gasket. There is a type in which a leaf spring is inserted, and waterproof reinforcement and fire resistance are imparted by the leaf spring.

Further, as disclosed in Japanese Patent Application Laid-Open No. Hei 10-18449, an attempt has been made to increase the durability by applying an inorganic coating to the surface of the joint cover material. This consists of a method of applying a coating to the joint cover alone and setting it on the joint, and a method of setting an unpainted cover on the joint and then performing inorganic coating together with the wall surface.

[0007]

However, such conventional joint members and joint structures have the following problems.

That is, as for the joint member inserted between the outer wall panels, since the main material of the sealing and the gasket is an organic resin, rubber or the like, even if the service life is long, it is 10 years.
It is up to 15 years, and the durability of the entire outer wall surface is also governed by the service life of the joint member.

[0009] Further, when the decorative surface of the outer wall panel and the joint member are made of different materials, there is a problem that the design design is restricted due to differences in color tone and texture.

For example, in the case of Japanese Patent Application Laid-Open No. 58-64713, the metal protector does not have a sealing function between the wall surfaces by itself, and also has a fixing / holding function between the walls by itself. Do not have. The sealing function and the inter-wall fixing function are performed by the gasket inserted therein, and there is a problem that the durability is governed by the service life of the gasket, which is 10 to 15 years. Further, when the metal surface of the metal protector is used as a decorative surface as it is, there is a problem that the design is largely restricted and the organic coating has poor durability.

In the case of JP-A-6-346522, the durability as a joint is governed by the durability of the gasket.

Furthermore, in the case of Japanese Patent Application Laid-Open No. 10-18449, in the former, since the joint cover lacks rigidity, when the joint cover is bent during construction, cracks or peeling may occur in the inorganic coating, and in the latter case, Has a problem that irregular cracks occur at the boundary between the joint cover and the outer wall panel when the wall is deformed due to heat or vibration after construction.

An object of the present invention is to solve the above problems and to provide a joint member and joint structure having the same durability and the same color tone and texture as those of the inorganic outer wall panel.

[0014]

In order to solve the above-mentioned problems, according to the first aspect of the present invention, the joint portion formed between the end faces of the wall member is widened in a gap direction so that the joint portion is formed. It is characterized in that it has a metal sheet joint member main body having a substantially box-shaped cross section that can be inserted and held, and an elastic body attached to a portion of the metal sheet joint member main body facing the wall with the end surface of the wall member. .

According to the first aspect of the present invention, a joint member body made of a thin metal plate is used.
Since the metal sheet joint member body has a self-holding function at the joint portion and the metal sheet joint member body has a sealing function as a single unit, the wall member has a height of 40 to 50 years or more. It is possible to obtain a joint having durability.

Further, the invention according to claim 2 is characterized in that embossing is performed on the front surface of the joint member made of a thin metal plate.

According to the second aspect of the present invention, joints having various shapes can be obtained.

According to the third aspect of the present invention, a layer made of a highly durable material is formed on the metal front surface of the joint member component inserted and held in the joint portion formed between the end faces of the wall member. It is characterized by doing.

According to the third aspect of the present invention, a layer made of a highly durable material is formed on the front surface of the metal protection member, so that the metal protection member has various colors and textures. Joints having high durability of 40 to 50 years or more equivalent to wall members can be obtained.

In the invention described in claim 4, the highly durable material is (A) 100 parts by weight of an SiO ₂ —Al ₂ O ₃ type reactive inorganic powder, and (B) an alkali metal silicate. 0.2-450 parts by weight, and (C) water 35-150
It is characterized by being an inorganic curable composition comprising 0 parts by weight.

According to the fourth aspect of the present invention, an inorganic curable composition is used as a highly durable material, so that it has various color tones and textures and is equivalent to a wall member. Joints having high durability for 50 years or more can be reliably obtained.

According to a fifth aspect of the present invention, a layer made of the highly durable material according to the third or fourth aspect is formed on the front surface of the metal sheet joint member body according to the first or second aspect. It is characterized by.

According to the fifth aspect of the present invention, a joint having various colors, textures and shapes, and having a high durability of 40 to 50 years or more equivalent to a wall member is obtained. be able to.

Further, the joint structure according to claim 6 is characterized in that the joint member according to claims 1 to 5 is provided.

According to the sixth aspect of the present invention, the same functions and effects as those of the first to fifth aspects can be obtained.

[0026]

First Embodiment A first embodiment of the present invention will be described below with reference to the drawings.

1 to 4 show a first embodiment of the present invention.

First, the structure will be described. In the first embodiment, the end face of the wall member 2 is formed by bending a thin metal plate 1 made of stainless steel or aluminum alloy having a thickness of 0.1 to 1.0 mm. Joint part 4 formed between 3
To form a metal sheet joint member main body 5 having a substantially box-shaped cross-section.

The metal sheet joint member main body 5 is, for example,
As shown in FIG. 1, the front portion 6 is flat, the wall-facing portion 7 (side portion) facing the end surface 3 of the wall member 2 has a slight bending angle, and the wrap portion in which the end plates overlap each other on the back side. 8 to form a substantially hexagonal box-shaped cross section close to a quadrangle.

At this time, the bending angle of the thin metal plate 1 is adjusted so that the interval between the farthest portions of the opposite wall portions 7 is larger than the gap of the joint portion 4, so that the spring can be restored at the time of insertion. A force is generated, and the lap portion 8 and the portions 7
Is trying to expand in the gap direction of the joint 4
To be able to hold itself.

Then, an elastic body 9 capable of sealing between the end face 3 of the wall member 2 and a part or all of the opposite wall portions 7 of the metal sheet joint member main body 5 is attached. The elastic body 9 is made of an elastic resin foam or a rubber elastic body.
The elastic body 9 has a thickness of about 0.5 to 5.0 mm,
The cross-sectional shape can be arbitrarily selected, such as a rectangle, a circle, an ellipse, a lens, and a triangle.

Further, if necessary, a layer 10 made of a highly durable material is formed on the front surface 6 of the metal sheet joint member main body 5. For the layer 10 made of the highly durable material, a fluorine-based or acrylic silicon-based resin is used. Alternatively, the layer 10 made of a highly durable material includes (A) 100 parts by weight of a SiO ₂ —Al ₂ O ₃ -based reactive inorganic powder, (B) 0.2 to 450 parts by weight of an alkali metal silicate, (C) Water 35 ~
An inorganic curable composition consisting of 1500 parts by weight may be used.

The layer 10 made of a highly durable material may be formed by coating. Alternatively, a preliminarily formed thin plate may be stuck and formed with an adhesive.

It is preferable to use a highly durable inorganic cured panel made of the same material as the layer 10 made of a highly durable material for the wall member 2.

Next, the operation of the first embodiment will be described.
This will be described with reference to FIG.

When the joint member is attached to the joint portion 4 formed between the end faces 3 of the wall member 2, the two wall opposing portions 7 of the metal sheet joint member main body 5 are moved in the direction in which the two wall opposing portions 7 approach each other. And inserted into the joint 4.

Then, the metal sheet joint member main body 5 causes the lap portion 8 and the both wall opposing portions 7 to move by the restoring force of the spring of the metal sheet 1 made of stainless steel or aluminum alloy.
Is trying to expand in the gap direction of the joint 4
Will be held on its own.

At this time, an elastic body 9 such as an elastic resin foam or a rubber elastic body adhered to a part or the entirety of the opposite wall portions 7 in the metal sheet joint member main body 5 is attached to the end face 3 of the wall member 2. Sealing is performed by closely contacting small protrusions and missing parts existing in

As described above, the metal sheet joint member main body 5 is used, the metal sheet joint member main body 5 is provided with a function of holding the joint portion 4 by itself, and the metal sheet joint member main body 5 is used alone. Since the sealing function is provided, it is possible to obtain a joint having high durability of 40 to 50 years or more equivalent to that of the wall member 2.

Further, by forming a layer 10 made of a highly durable material made of a fluorine-based or acrylic-silicon-based resin or an inorganic curable compound on the front surface 6 of the metal sheet joint member main body 5, various color tones can be obtained. It is possible to obtain a joint having a high texture and a high durability equivalent to that of the wall member 2 for 40 to 50 years or more.

At this time, the layer 10 made of a highly durable material is
It may be formed by coating, or may be formed in a thin plate shape in advance by sticking it with an adhesive. The structure can be easily attached to the joint member main body 5, and a structure that does not easily generate cracks due to deformation of the metal sheet joint member main body 5 can be provided.

[0042]

Second Embodiment FIG. 5 shows a second embodiment of the present invention. Note that the same or equivalent parts as those in the first embodiment are described with the same reference numerals.

According to the second embodiment, the joint member body 5 made of a thin metal plate has a trapezoidal box-shaped cross-sectional shape in which the back side has an upper bottom and the front part 6 has a lower bottom.

The wrap portion 8 is formed at the boundary between the front surface portion 6 and the wall facing portion 7 of the metal sheet joint member main body 5.

Further, a V-shaped embossing process is performed on the front surface portion 6 of the metal sheet joint member main body 5 by pressure or etching.

As described above, the metal sheet joint member main body 5
Is formed in a trapezoidal box-shaped cross section in which the rear side has an upper bottom and the front part 6 has a lower bottom, so that the metal sheet joint member main body 5 can be inserted into the joint portion 4 without being compressed. Become.

Further, by embossing the front surface portion 6 of the metal sheet joint member main body 5 such as a V-shaped groove by pressure or etching, joints having various shapes can be obtained. .

Except for the above, the second embodiment has the same configuration as that of the first embodiment, and the same operation and effect can be obtained.

[0049]

Third Embodiment FIG. 6 shows a third embodiment of the present invention. In addition, the same or equivalent parts as those in the above embodiments will be described with the same reference numerals.

In the third embodiment, the shape of the embossed portion formed on the front surface portion 6 of the metal sheet joint member main body 5 has a flat portion at the center of the V-shape. .

As described above, the embossed portion of the front portion 6 has a flat portion at the center of the V-shape, so that the shape of the joint can be diversified.

Except for the above, the present embodiment has the same configuration as that of the above-described embodiment, and the same operation and effect can be obtained.

[0053]

Fourth Embodiment FIG. 7 shows a fourth embodiment of the present invention. Note that the same or equivalent parts as those in the first embodiment are described with the same reference numerals.

First, the structure will be described. In the fourth embodiment, a stainless steel or aluminum metal protection member 22 (with a T-shaped cross section) is inserted into the forked second seal portion 21 of the rubber gasket 20. The joint member is formed by inserting a layer 10 made of a highly durable material on the front surface 6 made of metal. For the layer 10 made of the highly durable material, a fluorine-based or acrylic silicon-based resin is used. Alternatively, the layer 10 made of a highly durable material
(A) SiO ₂ —Al ₂ O ₃ -based reactive inorganic powder
100 parts by weight, and (B) an alkali metal silicate 0.2 to
An inorganic curable composition comprising 450 parts by weight and (C) 35 to 1500 parts by weight of water may be used.

The layer 10 made of a highly durable material may be formed by coating. Alternatively, a preliminarily formed thin plate may be stuck and formed with an adhesive.

The wall member 2 is preferably made of a highly durable inorganic cured panel.

Next, the operation of the fourth embodiment will be described.

By forming a layer 10 made of a highly durable material made of a fluorine-based or acrylic-silicon-based resin or an inorganic curable compound on the front surface 6 of the metal protection member 22,
40 to 5 having various colors and textures and equivalent to the wall member 2
Joints having high durability for 0 years or more can be obtained.

At this time, the layer 10 made of a highly durable material is
It may be formed by coating, or may be formed into a thin plate in advance, and may be formed by sticking with an adhesive. The structure can be easily attached to the member 22, and a structure in which a crack is not easily generated due to deformation of the metal protection member 22 or the like can be provided.

[0060]

EXAMPLE 1 The following experiment was conducted to examine the durability of the layer 10 made of a highly durable material.

(A) 100 parts by weight of pulverized metakaolin as a SiO ₂ —Al ₂ O ₃ -based reactive inorganic powder, (B)
165 parts by weight of sodium silicate as an alkali metal silicate, 100 parts by weight of wollastonite as an inorganic filler, 100 parts by weight of silica sand, 3 parts by weight of vinylon as a reinforcing fiber, and 3 parts by weight of zinc stearate Parts by weight,
The mixed raw materials were kneaded with water (C), applied to the metal thin plate joint member main body 5 in FIG. 1 and the metal front part 6 of the metal protection member 22 in FIG. 7 and solidified.

The joint having the joint member is JIS A
As a result of performing a fire protection test of 1302, performance equivalent to 45 minutes of semi-fire resistance was able to be cleared.

When the joint member was subjected to an accelerated weather resistance test, the results were good.

At this time, the wall member 2 may be made of the same material as the layer 10 made of a highly durable material.

[0065]

As described above, according to the first aspect of the present invention, the joint member made of a thin metal plate is used.
Since the metal sheet joint member body has a self-holding function at the joint portion and the metal sheet joint member body has a sealing function as a single unit, the wall member has a height of 40 to 50 years or more. It is possible to obtain a joint having durability.

According to the second aspect of the invention, joints having various shapes can be obtained.

According to the third aspect of the present invention, by forming a layer made of a highly durable material on the front surface of the metal protection member, the metal protection member has various colors and textures and is equivalent to the wall member. The joint having high durability of 40 to 50 years or more can be obtained.

According to the fourth aspect of the present invention, by using an inorganic curable compound as a highly durable material, various color tones and textures can be obtained and the same 40 to 40% as a wall member can be obtained.
Joints having high durability for 50 years or more can be reliably obtained.

According to the fifth aspect of the present invention, the color filter has various color tones, textures, and shapes, and is equivalent to 40 to 40 wall members.
Joints having high durability for 50 years or more can be obtained.

Further, according to the sixth aspect of the present invention, the same advantageous effects as those of the first to fifth aspects can be obtained.

[Brief description of the drawings]

FIG. 1 is a plan view of a joint member according to a first embodiment of the present invention.

FIG. 2 is a perspective view of FIG.

FIG. 3 is a plan view showing a state where the joint member of FIG. 1 is inserted into the joint part.

FIG. 4 is a plan view showing a state after the joint member of FIG. 1 is inserted into the joint part.

FIG. 5 is a plan view of the joint member according to the second embodiment of the present invention.

FIG. 6 is a plan view of a joint member according to a third embodiment of the present invention.

FIG. 7 is a plan view of a joint member according to a fourth embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Metal thin plate 2 Wall member 3 End surface 4 Joint part 5 Metal thin plate joint member main body 6 Front part 7 Wall opposing part (side part) 8 Wrap part 9 Elastic body 10 Layer made of highly durable material 22 Joint part member (metal) Protection member)

Claims (6)

[Claims] 1. A joint member main body made of a thin metal plate having a substantially box-shaped cross section which can be inserted and held in the joint portion by expanding in the gap direction of the joint portion formed between the end surfaces of the wall member. An elastic member adhered to a side surface of the joint member main body. 2. The joint member and joint structure according to claim 1, wherein an embossing process is performed on a front surface of the metal sheet joint member main body. 3. A joint made of a highly durable material is formed on a metal front surface of a joint member and a joint structural component inserted and held in a joint portion formed between end faces of a wall member. Element. 4. The highly durable material is (A) SiO ₂ —
100 parts by weight of an Al ₂ O ₃ -based reactive inorganic powder, and (B)
0.2 to 450 parts by weight of an alkali metal silicate, and (C)
The joint member and joint structure according to claim 3, wherein the joint member is an inorganic curable composition comprising 35 to 1500 parts by weight of water. 5. A joint member according to claim 1, wherein a layer made of the highly durable material according to claim 3 or 4 is formed on a front surface of the joint member body made of a thin metal plate. 6. A joint structure comprising the joint member according to claim 1.