JP2002070821A - Fastener for siding material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fastener for siding material in which break-down of base material can be prevented even in the case where the base material is a mortar wall or the like, excessive ramming down can be prevented while ramming down is facilitated to perform, adhesiveness with the base material is superior, encroachment of water can be prevented, the siding material can be fastened firmly, and failure of the siding material due to thermal contraction can be prevented. SOLUTION: This fastener comprises a leading edge machine screw part 52 in which a thread part is formed, a nail part 54 formed coaxially in the rear end side axially of the leading edge machine screw part 52 and having a larger outside diameter than that of the leading edge machine screw part 52, a stopper part 56 formed coaxially in the rear end side axially of the nail part 54 and having a larger outside diameter than that of the nail part 54, and a machine screw head part 58 formed in the rear end side axially of the stopper part 56 and having a driver slot 60 for rotating the fastener 50 about the shaft center thereof.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fixture for attaching a siding material used as an outer wall material of a building to a base material.

[0002]

2. Description of the Related Art Painted aluminum plates, steel plates and the like are conventionally used as siding materials for buildings. Recently, a molded plate of a thickness of about 0.5 to 5 mm, such as a vinyl chloride resin or a polyolefin, has begun to be used particularly for reforming the outer wall of a building. Such a synthetic resin siding material, compared to the conventional metal plate,
It has the following advantages.

[0003] For example, a siding material made of synthetic resin can be formed by mixing a pigment, so that painting is unnecessary. Further, even if an object collides, it is hardly deformed, scratches are hardly generated, and corrosion resistance is excellent. Further, the deterioration of the material is small and the weather resistance is excellent. It also has advantages such as low cost.

As an attachment for attaching such a synthetic resin plate such as a siding material, for example, Japanese Patent Application Laid-Open
A nail disclosed in JP-A-312617 is known. In this nail, a stopper portion is provided near the top of the nail, and it is said that the nailing strength can be easily adjusted when attaching the synthetic resin plate to the waist edge.

[0005]

However, in the nail disclosed in this publication, when the base material on which the siding material is to be attached is a mortar wall or the like, the mortar wall may be damaged by driving the nail, and water may leak to the wall. There is a problem such as easy occurrence.

The present invention has been made in view of such circumstances, and even when the base material is a mortar wall or the like, it is possible to prevent the base material from being damaged and to prevent excessive driving while being easy to drive. , Excellent adhesion to the base material,
We prevent invasion of water and can fix siding material firmly,
Moreover, it is an object of the present invention to provide a siding material fixture that can prevent breakage of the siding material due to thermal shrinkage.

[0007]

In order to achieve the above-mentioned object, a siding material mounting device according to the present invention is a mounting device for mounting a siding material to a base material, wherein the siding material mounting portion has a threaded portion. A screw portion, a nail portion formed coaxially on the axial rear end side of the tip screw portion, and having an outer diameter larger than the outer diameter of the distal screw portion, and a coaxial shaft on the axial rear end side of the nail portion. A stopper portion having an outer diameter larger than the nail portion, and a rotation drive portion formed at an axial rear end side of the stopper portion for rotating the mounting tool around an axis. Screw head.

Preferably, a tapered portion is formed between the tip screw portion and the nail member. It is preferable that the outer periphery of the nail portion is a surface on which no screw portion is formed. It is preferable that a step is formed between the nail portion and the stopper portion.

The rotary drive portion formed on the screw head is not particularly limited, and a driver groove is typical. A handle for manually rotating the mounting member around the axis without using a driver is provided. Department.

In the present invention, the base material is not particularly limited, and examples thereof include a mortar wall, a wooden panel, a plastic board, a gypsum board, and a foamed concrete panel.

In the present invention, the material of the siding material is not particularly limited, but is preferably a synthetic resin. As the synthetic resin constituting the siding material, a thermoplastic resin such as a vinyl chloride resin or a polyolefin is usually used, but polymethyl methacrylate, a styrene-based copolymer, an acrylate-styrene-acrylonitrile copolymer (AAS resin), Any type of synthetic resin such as chlorinated polyethylene-acrylonitrile-styrene copolymer (ACS resin) and fiber reinforced plastic (FRP) may be used.

The synthetic resin plate constituting the siding material is:
A single-layer synthetic resin plate or a multi-layer synthetic resin plate may be used.
It is preferable from the viewpoint of separated recycling. For example, a co-extruded two-layer structure using vinyl chloride resin,
It is economical to use a low-cost resin compound material mainly composed of recycled materials and to use a virgin resin compound material with excellent weather resistance for the surface layer. If necessary, additives such as pigments, processing aids, heat stabilizers, and ultraviolet absorbers are added to the synthetic resin plate constituting the siding material.

[0013] The molding method of the synthetic resin plate constituting the siding material is, for vinyl chloride resin, a profile extrusion molding method,
A method of molding with a forming die via T-die extrusion is preferably used. In the case of using a polyolefin, injection molding is usually used. When FRP is used, compression molding is preferably used. in this way,
Depending on the type of synthetic resin plate that makes up the siding material,
What is necessary is just to employ | adopt the molding method suitable for each.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on embodiments shown in the drawings.

First Embodiment As shown in FIGS. 1A and 1B, one embodiment of the present invention
The siding material attachment 50 according to the embodiment has a tip screw portion 52 in which a male screw portion is formed. A nail portion 54 is formed coaxially on the rear end side in the axial direction of the tip screw portion 52. The outer diameter of the nail portion 54 is larger than the outer diameter of the tip screw portion 52, and these are continuously reduced by the tapered portion 53 whose outer diameter gradually increases from the tip screw portion toward the nail portion. Is changing.

A stopper portion 56 is formed coaxially on the axial rear end side of the nail portion. The outer diameter of the stopper portion 56 is configured to be larger than the outer diameter of the nail portion 54, and a step in which the outer diameter changes stepwise is formed between them.

A screw head 58 is formed at the axial rear end of the stopper portion 56. The screw head 58 has a driver groove 6 for rotating the fixture 50 around its axis.
0 is formed. The driver groove 60 may have a minus shape, but is preferably a plus shape.

The fixture 50 having the screw portion 52, the tapered portion 53, the nail portion 54, the stopper portion 56, and the screw head 58 can be integrally formed by machining a metal bar or the like. .

As shown in FIG. 2, the fixture 50 of this embodiment is used to attach the siding material 2 to the surface of the base material 8.

The siding material 2 according to the present embodiment has a concavo-convex pattern portion 4 extending substantially in the horizontal direction. Uneven pattern part 4
Is not particularly limited, and one or more are formed. This siding material 2 is attached to the outer surface of the base material 8.

In the present embodiment, the base material 8 is composed of a mortar wall or the like. In the siding material 2 according to the present embodiment, a mounting plate portion (upper end mounting portion) 10 is integrally formed at an upper end portion thereof, and the mounting plate portion 10 has an elongated hanging hole 12 extending along a substantially horizontal direction. Are formed at predetermined intervals. The hanging hole 12 has an elongated hole shape elongated in the horizontal direction. As shown in FIG. 2, the fixture 50 of the present embodiment is inserted into the suspension hole 12, and the siding material 2 is attached to the surface of the base material 8 by the fixture 50.

A lower hidden recess 18 is formed below the mounting plate 10 so that the lower hook 20 formed at the lower end of the other siding material 2 disposed on the upper side can be covered. The swollen portion 16 is integrally formed. The lower end of the siding material 2 has a hidden recess 18 formed in the bulging portion 16 of another siding material 2 disposed below.
Is formed at the lower end hook portion 20 to be locked.

In this embodiment, the siding material 2 has a two-layer structure of co-extrusion using a vinyl chloride resin, and the base layer portion is made of a low-cost resin compound material mainly composed of a recycled material. The part is formed using a virgin resin compound material having excellent weather resistance. The mounting plate part 10, the bulging part 16, the hidden recess part 18, and the lower end hook part 20 of the present embodiment can be integrally formed when the siding material 2 is formed by extrusion.

The size of the siding material 2 is not particularly limited, but usually, in the case of an extruded product, the vertical dimension is 1 mm.
In the case of an injection-molded product, the vertical dimension is preferably about 500 to 1000 mm and the horizontal dimension is preferably about 500 to 1500 mm. Also, the thickness of the siding material is not particularly limited, but is preferably about 0.5 to 10 mm.

As shown in FIG. 3, the outer diameter A of the screw head 58 of the fixture 50 is A / a, preferably 150 to 3 with respect to the width a of the suspension hole 12 of the siding material 2.
00%, more preferably 200 to 250%. If the A / a ratio is too small, the fixture 5
0 tends to make the mounting and fixing of the siding material insufficient, and the siding material tends to come off easily due to strong wind or the like. On the other hand, if the A / a ratio is too large, the edge of the screw head 58 may be bulged out of the siding material 2 shown in FIG.
6, which is not preferable because the siding material 2 may be damaged. In the present embodiment, the specific size of the outer diameter A of the screw head is not particularly limited, but is, for example, 8 to 10 mm, and the width a is, for example, 3 to 5 mm.

As shown in FIG. 1A, the outer diameter b of the screw portion 52 is not particularly limited, but is preferably 1 to 2 mm, and the outer diameter B of the nail portion is preferably 2 to 4 mm. .
The ratio b / B of these outer diameters is preferably 65 to 95%,
More preferably, it is 80 to 90%. If the outer diameter of the screw portion 52 is too small, the strength of the screw portion 52 will be weak, and it will be easy to bend or bend when driving the mounting tool. In case, the mortar wall is easily damaged. Also, the ratio b / B
Is too small, the difference in the outer diameter between the screw portion 52 and the nail portion 54 becomes large, and when the mounting tool 50 is driven,
As the mortar wall tends to be damaged. Also,
If the ratio b / B is too large, there is almost no difference in the outer diameter between the screw portion 52 and the nail portion 54, and the effect of preventing water penetration at the nail portion of the fixture 50 is not preferable.

The outer diameter C of the stopper portion 56 is slightly smaller than the width a of the suspension hole 12 of the siding material 2 shown in FIGS. 2 and 3, and is not particularly limited. Therefore, the size is as small as about 0.1 to 0.3 mm. The stopper member 56 is a part that does not enter the inside of the base material 8, and the screw part 52 and the nail part 54 enter the inside of the base material 8.

The axial length D of the screw portion 52 is not particularly limited, but is, for example, about 20 to 26 mm, and the axial length E of the nail portion 54 and the stopper portion 56 is 9-1.
The axial width F of the stopper portion 56 is 1 mm.
５5 mm, and the axial thickness G of the head 58 is 0.5
About 2 mm. The axial width F of the stopper portion 56 is
It is slightly thicker than the thickness of the siding material 2.

As shown in FIG. 2, in order to attach the siding material 2 to the surface of the base material 8 with the fixture 50, first, the screw portion 52 is passed through the hanging hole 12 and the driver groove of the screw head 58 is formed. The tip of the driver is fitted into 60, and the fixture is rotated about the axis by the driver. As a result, the screw portion 52 is screwed into the base material 8. At this time, even if the base material 8 is a relatively brittle material such as a mortar wall, it is possible to effectively prevent the base material 8 from being damaged or cracked.

Next, not only the screw portion 52 but also the screw head 58 of the fixture 50 is struck with a hammer or the like.
The nail portion 54 is also embedded in the base material 8. At this time, since the stopper portion 56 is provided, the mounting fixture 50 is not excessively embedded in the base material 8, and the hanging hole 12 of the siding material 2 is securely located on the outer periphery of the stopper member 56. The siding material 2 can be reliably fixed to the surface of the base material 8. The hanging hole 12 is a horizontally elongated hole, and the outer diameter of the stopper portion 56 is slightly smaller than the width a of the hanging holding hole 12.
Since there is room, even if the siding material 2 thermally expands or contracts due to the change in the outside air temperature,
The siding material 2 is not destroyed due to the fixing by zero. When the nail portion 54 is embedded in the base material 8, the hole of the base material 8 formed by the screw portion 52 is pushed and adhered, so that the nail portion 54 will travel along the portion and enter the inside of the wall. Water can be effectively prevented.

Second Embodiment FIGS. 4 to 6 show other modifications of the siding material mounting device according to the present invention. The fixture 50 of the embodiment shown in FIG.
In a, between the nail portion 54a and the stopper portion 56a,
A flange-like projection 62 is formed. Flange-like projection 6
Reference numeral 2 is such that the outer diameter is tapered from the nail portion 54a toward the stopper portion 56a in the outer peripheral direction, and the outer diameter decreases stepwise at the boundary with the stopper portion 56a. The flange-like projection 62 becomes a part of the stopper portion 56a.

In the mounting fixture 50b of the embodiment shown in FIG.
The screw head 58b has an elliptical plate shape, and a pair of handles 64 that project in the radial direction of the screw head 58b are
It is formed at a symmetrical position of 80 degrees. By operating the handle 64, the attachment 50b can also be rotated around its axis.

In the fixture 50c of the embodiment shown in FIG.
A single handle 66 projecting radially from the screw head 58c
Is formed. By operating the handle 64, the attachment 50c can be rotated around its axis. Further, a flange-like projection 62 similar to the mounting tool 50a shown in FIG. 4 is formed on the mounting tool 50c.

Third Embodiment As shown in FIG. 7, in this embodiment, a siding material 2
Is attached to the outer surface of the base material 8 so that an air circulating layer is formed, together with the attachment 50 according to the present embodiment, the attachment aid 30 is used. This mounting aid 30
Has a mounting aid main body block 32 and a holding plate 36, and an insertion groove 34 is formed therebetween.

The mounting aid main body block 32 is formed of a rectangular plate having a predetermined size, and is connected to a holding plate 36 at an upper end thereof. The holding plate 36 is formed of a rectangular plate having a predetermined dimension, and an insertion groove 34 having a predetermined gap is formed between the holding plate 36 and the mounting aid body block 32.

The thickness of the mounting aid body block 32 defines the thickness of the air flow layer between the siding material 2 and the base material 8, and is not particularly limited, but is preferably 2 to 20 mm.
It is. Also, the height of the mounting aid body block 32 is
Although not particularly limited, it is preferably 10 to 100 mm. In addition, the width of the mounting aid body block 32 is not particularly limited, but is preferably 10 to 100 mm. If the height or width of the mounting aid body block 32 is too small or too large, the workability tends to deteriorate.

The height of the holding plate 36 is preferably smaller than the height of the mounting aid main body block 32 and is not particularly limited, but is preferably 10 to 50 mm. Also,
The thickness of the holding plate 36 is not particularly limited, but is preferably 1 to 10 mm. The groove width of the insertion groove 34 is preferably about 1.1 to 3 times the thickness of the upper end mounting plate 10 of the siding material 2. This is because the upper end mounting plate portion 10 is inserted into the insertion groove 34.

In the present embodiment, a nail insertion hole 38 is formed in the holding plate 36 so as to penetrate the insertion groove 34. Further, a nail insertion hole which is concentric with the nail insertion hole 38 may be formed in the mounting aid body block 32 in advance. Mounting aid body block 32, holding plate 36 and insertion groove 3
The mounting aid 30 having 4 is made of, for example, wood, but may be made of synthetic resin or metal.

In the present embodiment, when the siding material 2 is applied, first, the base material 8 is stretched around the wall surface to be repaired or the wall surface of a new building. If the base material 8 has already been stretched, the step of stretching the base material 8 can be omitted.

Next, the siding material 2 is attached to the outer surface of the base material 8 in order from the lower outer surface of the base material 8. At that time, as shown in FIG. 7, the upper end mounting portion 10 of the siding material 2 is inserted into the insertion groove 34 formed in the mounting auxiliary tool 30.
Is inserted, and the positioning of the nail insertion hole 38 and the hanging hole 12 is performed. The hanging hole 12 is a long hole, and the alignment with the nail insertion hole 38 may be rough.

Thereafter, using the fixture 50 according to this embodiment, the fixture 50 is inserted into the nail insertion hole 38 and the hanging hole 12.
Then, the siding material 2 is suspended and held by being screwed and driven into the base material 8 in the same manner as in the above-described embodiment.

When the width of the siding material 2 in the horizontal direction is small, it is sufficient to use a single mounting auxiliary tool 30 and a single mounting tool 50 for one siding material 2. When the width in the direction is large, it is preferable to use a plurality of attachment aids 30 and attachments 50 for one siding material 2. In that case, the siding material 2 is suspended and held by the mounting aids 30 and the mounting tools 50 at a plurality of horizontal positions of the upper end mounting plate portion 10.

Then, the hidden recess 18 of the bulging portion 16 formed below the upper end mounting plate portion 10 of the siding material 2
The lower hook 20 formed at the lower end of the other siding material 2 arranged on the upper side is locked. In this state, the upper end mounting plate portion 10 formed on the upper end portion of the other siding material 2 is suspended and held on the outer surface of the base material 8 by using the mounting auxiliary tool 30 by a method similar to the method described above. .
By repeating such an operation, the siding material 2 can be stretched around the wall.

As described above, the siding material 2 according to the present embodiment is stretched around using the mounting aids 30 and the mounting tools 50, whereby an air flow layer is formed between the base material 8 and the siding material 2. The air permeability of the outer wall is improved, and the waterproof property is also improved. Further, in the present embodiment, the siding material 2 can be attached without using the rim, so that the construction work is easy, and even a layman can easily perform the work. Also, the mounting aid 3 of the present embodiment
0 is fixed to the base material 8, but merely suspends and holds the siding material 2, and effectively absorbs thermal expansion and contraction between the siding material 2 and the base material 8 due to a temperature change. This can effectively prevent the siding material 2 from being cracked or cracked. Note that the present invention is not limited to the above-described embodiment, and can be variously modified within the scope of the present invention.

[0045]

As described above, according to the present invention, it is possible to prevent excessive driving while being easy to drive, to have excellent adhesion to the base material, to prevent water from entering, and to achieve siding. It is possible to provide a siding material fixture that can firmly fix the material and can prevent breakage due to thermal contraction of the siding material.

[Brief description of the drawings]

FIG. 1A is a side view of a fixture according to an embodiment of the present invention, and FIG. 1B is a plan view of a screw head shown in FIG. 1A.

FIG. 2 is a perspective view showing an example of a method of using the attachment shown in FIG.

FIG. 3 is a diagram showing a relationship between a fixture and a hanging hole for a siding material.

FIG. 4 (A) is a side view of a fixture according to another embodiment of the present invention, and FIG. 4 (B) is a plan view of a screw head shown in FIG. 4 (A).

5 (A) is a side view of a fixture according to another embodiment of the present invention, and FIG. 5 (B) is a plan view of a screw head shown in FIG. 5 (A).

FIG. 6 (A) is a side view of a fixture according to another embodiment of the present invention, and FIG. 6 (B) is a plan view of a screw head shown in FIG. 6 (A).

FIG. 7 is a perspective view showing another example of a method of using the fixture shown in FIG. 1;

[Explanation of symbols]

 Reference Signs List 2 Siding material 4 Uneven pattern portion 8 Base material 10 Mounting plate portion (upper end mounting portion) 12 Hanging hole 16 Swelling portion 18 Hidden recess 20 Lower end hook portion 30 Mounting aid 50 Attachment 52 ... Screw part 53 ... Taper part 54 ... Nail part 56 ... Stopper part 58 ... Screw head

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) F16B 27/00 F16B 27/00 B (72) Inventor Takamitsu Mikuni 1-2-2 Yomitsu, Kawasaki-ku, Kawasaki-ku, Kanagawa Prefecture No. 1 ZEON Kasei Co., Ltd. Kawasaki Laboratory F-term (reference) 2E110 AA14 AA48 AB04 AB22 BA12 CC04 DA08 DC12 DC15

Claims (1)

[Claims] 1. A fixture for attaching a siding material to a base material, comprising: a tip screw portion having a threaded portion; and a coaxial shape formed on an axial rear end side of the tip screw portion;
A nail portion having an outer diameter larger than an outer diameter of the tip screw portion; a stopper portion formed coaxially on an axial rear end side of the nail portion and having an outer diameter larger than the nail portion; And a screw head formed at an axial rear end side of the portion and having a rotation drive portion for rotating the mounting member around an axis.