JP3022384U - Makeup piece for separator bolt hole on concrete surface - Google Patents

Abstract

(57) 【Abstract】 PROBLEM TO BE SOLVED: To make a new separator bolt hole that is securely attached to a concrete surface to close the separator bolt hole, and that anyone can easily construct and beautifully decorate the concrete surface. Provide a piece for. SOLUTION: A mounting portion main body 12 inserted into a separator bolt hole 31 formed in a concrete surface 30 and an inner screw portion 13 screwed to a separator bolt protruding into the hole formed in the mounting portion main body. The mounting portion 11 provided,
The decorative portion 16 is provided integrally with the end of the mounting portion on the concrete surface side and has a seat surface 17 that engages with the opening edge portion 34 of the hole and a decorative main body portion 18.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

 The present invention relates to a decorative piece having separator bolt holes on a concrete surface.

[0002]

[Prior art]

 A typical concrete wall is made by holding two molds that form the front and back of the wall to a predetermined wall thickness with separator bolts and fixing them, and then pouring concrete between the molds to solidify. can get. These separator bolts have threads formed on both ends of a rod-shaped member, and are screwed to nut-shaped members provided at predetermined positions of both molds to hold the molds at a predetermined interval. It has become.

This concrete wall is made into a product by removing the formwork after hardening. At that time, the traces of the nut member extracted remain as separator bolt holes on the concrete surface, and the separator bolts are also removed. Remains inside the wall with the threaded portion protruding from the inner bottom surface of the bolt hole. This separator bolt hole is unsightly as it is, and the bolt exposed in the hole may be rusted or corroded, so that mortar is usually packed in the hole to be filled.

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

On the other hand, in recent years, a concrete wall surface that has been left unattended may be favorably used for the exterior and interior of a building. At that time, if there is a wall decoration means using the separator bolt holes, a special design can be given to the inorganic atmosphere of the concrete wall.

[0006]

[Problems to be solved by the device]

 The present invention has been proposed in view of such a problem, and it is surely attached to the concrete surface to close the separator bolt hole, and anyone can easily install it to decorate the concrete surface beautifully. The present invention seeks to provide a new concrete face separator bolt hole makeup piece.

[0007]

[Means for Solving the Problems]

 That is, the present invention comprises a mounting portion main body which is inserted into a separator bolt hole formed on a concrete surface, and an internal thread portion which is screwed into a separator bolt projecting into the hole formed inside the mounting portion main body. A mounting surface, a seating surface integrally formed at the end of the mounting surface on the concrete surface side, which engages with the opening edge of the hole, and a decorative body body formed on the front side of the seating surface. The present invention relates to a makeup piece having a separator bolt hole on a concrete surface, which is characterized by comprising a makeup section.

[0008]

[Embodiment of device]

 Hereinafter, the present invention will be described in detail 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. 7 is a sectional view taken along line 6-6, FIG. 6 is a rear view of the makeup piece as seen from the mounting member side, FIG. 4 is a cross-sectional view taken along line 7-7 of FIG. 4, FIG. 8 is a front view showing an example of the inner screw member from the side of the rotation preventing projection, FIG. 9 is a cross-sectional view taken along line 9-9 thereof, and FIG. 10 is a cross-sectional view taken along line 10-10, FIG. 11 is a cross-sectional view of a molding die for manufacturing the attachment portion of the piece body, and FIG. 12 is a side view showing an example of manufacturing the piece body.

As shown in FIGS. 1 to 3, the makeup 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 separator bolt 32 protruding from the separator bolt hole 31 is fixedly used by screwing the inner screw portion 13 thereof. The mounting of the makeup piece 10 is completed by screwing the inner threaded portion 13 of the makeup piece 10 onto the separator bolt 32. However, in the case of an outer wall or the like, rainwater may enter the separator bolt hole 31 after the makeup piece 10 is attached. There is no fear of doing so. Therefore, in such a case, as shown in FIG. 2, the sealing agent S may be filled in the clearance space 35 between the hole 31 and the mounting portion 11 of the cosmetic piece 10.

Hereinafter, each part of the cosmetic piece 10 of the present invention will be described. The piece body 10A of the cosmetic piece 10 may be made of ceramic such as pottery, or a desired material such as metal or plastic. However, 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 slightly larger than that of the separator bolt hole 31. The hole is formed in a small diameter and is formed in a substantially cylindrical shape with a slightly smaller diameter toward the bottom side of the hole.

Further, as shown in the drawing, an air escape groove 15 is provided on the cylinder outer peripheral surface of the mounting portion 11 along the cylinder direction. 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 space 35 between the separator bolt hole 31 and the mounting portion 11 is filled with the sealing agent S or the like. For reliably filling the sealing agent S 2. In this example, two air escape grooves 15 are provided.

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

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

In this example, a rotation preventing projection 23 is provided on the outer peripheral surface of the main body 21 of the inner screw member 20 along the cylinder direction thereof. 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 engagement 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, the inner screw member 20 is fixedly attached to the mounting portion main body 12 as shown in FIG. 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 screw member on the decorative portion side, so that the inner screw member 20 can be easily press-fitted. You can do it.

On the other hand, the decorative portion 16 is for covering the separator bolt hole 31 and decorating the concrete surface 30 when the decorative piece 10 is attached to the concrete surface 30, and The makeup main body 18 is provided.

The seat surface 17 is integrally formed at the end of the mounting portion 11 on the concrete surface side, and is formed larger than the separator bolt hole 31 at the opening edge portion 34 of the separator bolt hole 31. The separator bolt holes 31 and the periphery thereof are securely and beautifully concealed by engaging with each other.

The makeup main body portion 18 constitutes a design surface of the makeup piece 10. The makeup body portion 18 has a circular shape, a square shape, a triangle shape, a star shape, or the like according to the color or shape of the concrete surface 30 to be attached or the type of building. It can have any suitable shape. It is also possible to imitate concrete objects such as animals and plants, and to apply relief or printing of patterns on the surface. In the present embodiment, the concrete surface 30 is formed into a circular shape that rises in a substantially hemispherical shape, and the surface thereof is colored with a golden glaze.

As described above, this cosmetic piece 10 is attached by screwing the threads 24 of the inner threaded member 20 onto the separator bolts 32 projecting into the separator bolt holes 31. 2 is outdoors, 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 as shown in FIG. By doing so, it is possible to prevent rainwater and the like from entering between the makeup piece 10 and the concrete surface 30 and corroding the reinforcing bars and the like. When the makeup piece 10 is attached to an indoor wall, it is not necessary to fill it with a sealing agent, and the makeup piece 10 can be enjoyed by various attachments 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 with a ceramic product, and has a cylindrical cavity 41 formed in the mounting portion shape. As shown in FIGS. 5 to 7, since the mounting portion 11 of this example has the engaging groove 14 provided in the mounting portion main body 12 from the tip to the middle, the diameter of the cylinder is different from the tip. The diameter is slightly larger in the middle. Therefore, the forming dies are also divided dies 42 and 42 configured to be divided at the ends of the engaging grooves. Then, the mounting portion 11 is obtained by filling the cavity 41 of the molding die 40 with a ceramic material, molding it, and firing it at a predetermined temperature. Although not shown, the decorative portion 16 is also obtained by filling a ceramic material in a molding die having a cavity in the decorative portion-like shape, molding it, and then firing it at a predetermined temperature, like the mounting portion.

Thereafter, as shown in FIG. 12, the attachment portion 11 and the decorative portion 16 are joined, and further, the main body portion 18 of the decorative portion 16 is decorated with a desired glaze or the like and then baked to make a piece body. Produce 10A. In this embodiment, as described above, the internal screw member 20 made of a plastic molded product is press-fitted inside the cylinder of the mounting portion 11 of the piece body 10A thus obtained, and the cosmetic piece 10 is formed. Eggplant

[0022]

[Effect of device]

 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. Also, since no mortar is required, anyone can easily and beautifully perform the construction. 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 main body of the decorative portion is formed on the front side of the seat surface, the bolt hole and the bolt hole The periphery is surely and beautifully concealed, and the concrete surface can be decorated like never before.

[Brief description of 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 cross-sectional view showing a state where the makeup piece is attached to a separator bolt hole on a concrete surface.

3 is a sectional view taken along line 3-3 of FIG.

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

Claims (3)

[Scope of utility model registration request] 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.