JPH0972091A - Decoration piece for separator bolt hole in concrete surface - Google Patents

Abstract

PROBLEM TO BE SOLVED: To block a separator bolt hole certainly by inserting a mounting part in the separator bolt hole provided in a concrete surface, and fitting its internal threads on a separator bolt which protrudes from the hole. SOLUTION: The body 12 of a mounting part has an outside diameter some smaller than a separator bolt hole 31 in a part on the concrete surface 30 which is to be inserted into the separator bolt hole 31 and is shaped approx. cylindrically as thinning toward the bottom surface of the hole. An air bleeding groove is provided in the cylindrical direction at the outside circumferential surface of the mounting part 11, and the air in the hole 31 is released to the outside to ensure eventual operation that the gap between the hole 31 and mounting part 11 is filled with a sealant, etc. This decoration piece 10 is certainly attached only by fitting the internal threads of a threaded member on the separator bolt 32 which is protruding to the hole 31 so that the separator bolt can be blocked, and the bolt hole and its peripheral edge are hidden with fine workmanship.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a decorative piece for a separator bolt hole on a concrete surface.

[0002]

2. Description of the Related Art In a general concrete wall, two molds forming the front and back surfaces of the wall are fixed and held at a predetermined wall thickness by separator bolts, and concrete is poured between the molds. Obtained by solidifying. This separator bolt is made by forming threads on both ends of a rod-shaped member, and is screwed to a nut-shaped member provided at a predetermined position of both molds to hold the molds at a predetermined interval. It has become.

[0003] This concrete wall is used as a product after the mold is removed after hardening. At that time, the traces of the nut member removed remain on the concrete surface as separator bolt holes, and the separator bolts are It remains inside the wall with the screw part protruding from the inner bottom surface of the bolt hole. This separator bolt hole is unsightly as it is,
Since the bolt exposed in the hole may rust or corrode, mortar is usually packed in the hole to fill it.

However, the work of filling the mortar into each of the separator bolt holes formed on the wall surface in a lot of time and labor is troublesome. Further, when filling a viscous mortar into a hole, the mortar often spills or adheres to the periphery of the hole, resulting in lack of a finished appearance.

On the other hand, in recent years, a concrete wall surface that has been left as it is is often used for the exterior and interior of a building. At that time, if there is a wall decoration means using the separator bolt holes, it is possible to give a special design to the inorganic atmosphere of the concrete wall.

[0006]

SUMMARY OF THE INVENTION The present invention has been proposed in view of the above problems, and it is surely attached to a concrete surface so as to close the separator bolt hole and can be easily installed by anyone. The present invention aims to provide a new concrete face separator bolt hole decorative piece that can beautifully decorate a concrete surface.

[0007]

That is, the present invention provides:
A mounting portion having a mounting portion main body to be inserted into a separator bolt hole formed in a concrete surface, and an internal screw portion screwed to a separator bolt protruding into the hole formed in the mounting portion main body; And a decorative portion having a seat surface integrally formed at the concrete surface side end of the portion and engaging with the opening edge of the hole, and a decorative body main body formed on the front side of the seat surface. The present invention relates to a makeup piece for a separator bolt hole on a concrete surface.

[0008]

DETAILED DESCRIPTION OF THE INVENTION The present invention will be described in detail below with reference to the accompanying drawings. FIG. 1 is a perspective view showing an example of a makeup piece of the present invention and a separator bolt hole, FIG. 2 is a sectional view showing a state where the makeup piece is attached to a separator bolt hole on a concrete surface, and FIG. 4 is a cross-sectional view taken along the line, FIG. 4 is an exploded perspective view of the piece body and the inner screw member,
FIG. 5 is a rear view of the makeup piece as seen from the mounting member side, and FIG.
6 is a cross-sectional view taken along line 6-6, FIG. 7 is a cross-sectional view taken along line 7-7 in FIG. 4, FIG. 8 is a front view showing an example of the inner screw member from the side of the rotation preventing projection, and FIG. 9 is a cross-sectional view taken along line 9, FIG. 10 is a cross-sectional view taken along line 10-10 of FIG. 8, and FIG. 11 is a cross-sectional view of a molding die for manufacturing the attachment portion of the piece body.
FIG. 12 is a side view showing an example of manufacturing the piece body.

As shown in FIGS. 1 to 3, a decorative piece 10 of the present invention comprises a mounting portion 11 and a mounting portion 16, and the mounting portion 11 is inserted into a separator bolt hole 31 formed in a concrete surface 30. Then, the inner threaded portion 13 is fixed to the separator bolt 32 protruding from the separator bolt hole 31 by screwing. The makeup piece 10 has an inner threaded portion 13 with a separator bolt 3
Although the attachment is completed by screwing it onto 2, the rainwater may enter the separator bolt holes 31 after the makeup piece 10 is attached in the case of an outer wall or the like. Therefore, in such a case, as shown in FIG. 2, a gap space 35 between the hole 31 and the mounting portion 11 of the cosmetic piece 10.
In some cases, the sealing agent S may be filled in.

Hereinafter, each part of the cosmetic piece 10 of the present invention will be described. The piece body 10A of the cosmetic piece 10 can be made of ceramics such as pottery, or a desired material such as metal or plastic. Ceramic products are preferably used because of their durability and uniformity of texture with concrete surfaces.

The mounting portion 11 includes a mounting portion main body 12 and an internal thread portion 13. The mounting portion main body 12 is a portion to be inserted into the separator bolt hole 31 of the concrete surface 30, and as shown in FIGS. 2 and 3, its outer diameter is formed to be slightly smaller than the separator bolt hole 31. And is formed in a substantially tubular shape with a slightly smaller diameter toward the bottom side of the hole.

Also, as shown, the mounting member 1
The air escape groove 1 is formed on the outer peripheral surface of the cylinder 1 along the cylinder direction.
5 are provided. As will be understood from FIG. 2, the air escape groove 15 allows the air in the hole 31 to escape to the outside when the clearance 35 between the separator bolt hole 31 and the mounting portion 11 is filled with the sealing agent S or the like. Sealing agent S
To ensure that the Air escape groove 1
Two 5 are provided in this example.

The inner threaded portion 13 is for fixing the decorative piece 10 to the separator bolt 32 by screwing.
It is formed on the inner peripheral surface of the cylinder of the mounting portion main body 12. The inner threaded portion 13 can be directly formed on the mounting portion main body 12, but in consideration of strength and dimensional accuracy of the screw thread, in the present example, the inner threaded portion 13 is hard as shown in FIG. The inner screw member 20 is made of a plastic molded product, and is fixed to the piece body 10A by press fitting.

The inner threaded member 20 will be described below. As shown in FIGS. 8 to 10, the inner threaded member 20 is made of a hard plastic molded product and includes a cylindrical body 21 and a threaded portion 22. Become. Main body 2 of inner screw member 20
1 is formed into a shape that can be press-fitted according to the shape of the inside of the cylinder of the mounting portion main body 12, and is press-fitted and fixed in advance inside the cylinder of the mounting portion main body 12. Further, the screw portion 22 is screwed with the screw of the separator bolt 32, and
It is formed on the inner peripheral surface of 1.

In this example, the body 2 of the inner screw member 20 is
On the outer peripheral surface of 1, a rotation preventing projection 23 is provided along the cylinder direction. The anti-rotation protrusions 23 are provided on all four sides with a length up to the middle of the cylinder in accordance with the position of the engaging groove 14 provided on the mounting portion main body 12, and the main body 21 is inserted into the mounting portion main body 12. At this time, as shown in FIG. 3, the inner threaded member 20 is fixedly attached to the mounting portion main body 12 by the engaging engagement. Further, slits (notches) 25, 25 as shown in FIG. 10 are formed in the cylindrical direction near the tip of the main body 21 of the inner threaded member on the decorative portion side, so that the inner threaded member 20 can be easily press-fitted. You can do it.

On the other hand, the makeup section 16 is the makeup piece 1 concerned.
When the 0 is attached to the concrete surface 30, the separator bolt hole 31 is covered and the concrete surface 30 is decorated. The seat surface 17 and the decorative body portion 18 are provided.

The seat surface 17 is integrally formed at the end of the mounting portion 11 on the concrete surface side, is formed larger than the separator bolt hole 31, and is attached to the opening edge portion 34 of the separator bolt hole 31. By doing so, the separator bolt hole 31 and the peripheral edge thereof are surely and beautifully concealed.

The makeup main body portion 18 constitutes the design surface of the makeup piece 10. The shape, such as a circle, a quadrangle, a triangle or a star shape, is suitable according to the color and shape of the concrete surface 30 to be attached or the type of building. It can have any shape. Further, it is also possible to imitate a concrete object such as an animal or a plant, and to apply relief or printing such as a pattern on the surface thereof. In the present embodiment, the concrete surface 30 is formed into a circular shape that rises in a substantially hemispherical shape, and the surface is colored with a golden glaze.

As described above, this cosmetic piece 10
Is attached by screwing the screw thread 24 of the inner screw member 20 into the separator bolt 32 protruding into the separator bolt hole 31, but when the concrete surface is outdoors, as shown in FIG. It is desirable to fill the clearance space 35 between the separator bolt hole 31 and the mounting portion 11 with a known sealing agent S. By doing so, it is possible to prevent rainwater or the like from entering between the makeup piece 10 and the concrete surface 30 and corroding the reinforcing bars or the like. When the cosmetic piece 10 is attached to an indoor wall, it is not necessary to fill the sealing agent,
You can also change and enjoy it according to the atmosphere of the room.

A method of manufacturing the cosmetic piece 10 will be briefly described. FIG. 11 shows a cross section of a molding die 40 when the mounting portion 11 of the piece body 10A is molded by a ceramic product, and a cylindrical cavity 41 formed in the mounting portion shape.
Having. As shown in FIGS. 5 to 7, the mounting portion 11 of this example has the engagement groove 14 provided in the mounting portion main body 12 from the tip to the middle, so that the diameter of the cylinder is larger than the tip. The middle diameter is slightly larger. Therefore, the molding die is also configured to be divided at the end portion of the engaging groove,
42. Then, the mounting portion 11 is obtained by filling the cavity 41 of the molding die 40 with a ceramic material, molding the ceramic material, and firing it at a predetermined temperature. The makeup section 16 is
Although not shown in the drawings, like the mounting portion, this is also obtained by filling a molding die having the cavity of the decorative portion with a ceramic material, molding the material, and then firing it at a predetermined temperature.

After that, as shown in FIG. 12, the mounting portion 1
1 and the decorative portion 16 are joined, and the main body portion 18 of the decorative portion 16 is decorated with a desired glaze or the like and baked to manufacture the piece main body 10A. In this embodiment, as described above, the internal screw member 20 made of a plastic molded product is press-fitted and fixed inside the cylinder of the mounting portion 11 of the piece body 10A thus obtained to form the cosmetic piece 10. .

[0022]

As shown and described above, according to the cosmetic piece of the present invention, it is possible to securely attach and fix the separator bolt hole by simply screwing it on the separator bolt protruding from the separator bolt hole. You can Also,
No mortar is needed, so anyone can easily and beautifully build it. Moreover, since the seat surface of the decorative portion is engaged with the separator bolt hole to cover the periphery of the edge portion, and the decorative portion main body is formed on the front side of the seat surface, the bolt hole and its peripheral edge are formed. Is surely and beautifully concealed, and it is possible to decorate the concrete surface like never before.

[Brief description of drawings]

FIG. 1 is a perspective view showing an example of a cosmetic piece of the present invention and separator bolt holes.

FIG. 2 is a cross-sectional view showing a state where the makeup piece is attached to a separator bolt hole on a concrete surface.

FIG. 3 is a sectional view taken along line 3-3 in FIG. 2;

FIG. 4 is an exploded perspective view of a piece main body and an inner screw member.

FIG. 5 is a rear view of the makeup piece as viewed from the mounting member side.

6 is a cross-sectional view taken along line 6-6 of FIG.

7 is a cross-sectional view taken along line 7-7 of FIG.

FIG. 8 is a front view of an example of an inner screw member as seen from a rotation stopper projection side.

9 is a cross section taken along line 9-9 of FIG.

10 is a cross-sectional view taken along line 10-10 of FIG.

FIG. 11 is a cross-sectional view of a mold for manufacturing the attachment portion of the piece body.

FIG. 12 is a side view showing an example of manufacturing the piece body.

[Explanation of symbols]

 10 Decorative Piece 10A Piece Main Body 11 Mounting Part 12 Mounting Part Body 13 Inner Threaded Part 16 Decorative Member 17 Seating Surface 18 Decorative Body Part 20 Inner Screw Member 30 Concrete Surface 31 Separator Bolt Hole 32 Separator Bolt 34 Opening Edge

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[Procedure amendment]

[Submission date] October 6, 1995

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0012

[Correction method] Change

[Correction contents]

Further, as shown in the figure, the mounting portion 11
On the outer peripheral surface of the cylinder, the air escape groove 15 is provided along the cylinder direction.
Is provided. As will be understood from FIG. 2, the air escape groove 15 includes the separator bolt hole 31 and the mounting portion 1.
The purpose is to allow the air in the holes 31 to escape to the outside when the space 35 between the first and second spaces is filled with the sealing agent S or the like, so that the sealing agent S can be reliably filled. Air escape groove 15
In this example, two are provided.

Claims (3)

[Claims] 1. A mounting having a mounting portion main body inserted into a separator bolt hole formed on a concrete surface, and an internal screw portion screwed to a separator bolt protruding into the hole formed inside the mounting portion main body. Portion, a makeup portion integrally formed at an end portion of the mounting portion on the concrete surface side, a seat surface that engages with an opening edge portion of the hole, and a makeup portion main body formed on the front side of the seat surface. A makeup piece with a concrete separator bolt hole on the concrete surface. 2. The decorative piece according to claim 1, wherein the piece body is made of a ceramic product and has separator bolt holes on a concrete surface. 3. The decorative piece according to claim 1 or 2, wherein the inner threaded portion of the mounting portion is an inner threaded member fixed to the inside of the body of the piece and having a separator bolt hole on a concrete surface.