JP5292579B2 - Concrete wall surface filling member and method of using the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enhance the cut-off property of a cone hole filling member of a surface of a concrete wall body. <P>SOLUTION: The hole filling member for the concrete surface is made of a resin and used to fill a cone hole. In the hole filling member, an inner cylinder of a plug body for being fitted into the opening of the cone hole is filled with a cap 2 which is composed of a cylindrical portion 22 and a cone body 21 stretched to the outside from one end of the cylindrical portion 22 and brought into contact with a cone-shaped opening of the cone hole. Subsequently, a sealant is pushed into the cone hole after being infilled into the inner cylinder of the plug body, so that the water cut-off performance of the hole filling member can be perfectly secured. <P>COPYRIGHT: (C)2009,JPO&amp;INPIT

Description

  The present invention relates to a concrete wall surface hole filling member that fills holes (hereinafter referred to as “cone holes”) generated on the surface when a concrete wall body is constructed and improves the aesthetics of the wall surface, and a method of using the same.

When building a wall with concrete, the separator used to hold the formwork to the wall thickness remains in the wall even after the formwork is removed, and the dent of the cone attached to the tip becomes a hole. Remain. This is a cone hole, and the hole filling member is a member that fills this hole.
FIG. 7 is a front view showing an example of a concrete wall, wherein 1 is a main body of a concrete wall surface filling member, and W is a concrete wall.

  FIG. 8 is a cross-sectional view showing a concrete wall body under construction. 3 is a separator, 4 is a connecting metal fitting at both ends of the separator, 5 is a clip, and 6 is a formwork. As shown in FIGS. 9 and 10, the connecting metal fitting 4 is obtained by fixing a plate-like portion 41 called “oval” to a cone 42, and a cylindrical portion at the end of the plate-like portion 41 is screwed on the inner and outer surfaces. And the outer screw is screwed into the cone 42 and the inner screw is screwed into the end of the separator. The separator 3 and the mold 6 are fixed by inserting the holes of the flanges of the upper and lower molds 6 and the holes of the plate-like portion 41 with clips, and the opposed molds 6, 6 as shown in FIG. A concrete wall W is constructed by placing concrete in between.

After the concrete is hardened, the clip 5 is pulled out, the form 6 is removed, the screws are loosened, and the connecting fitting 4 is also removed. As a result, the cone wall H remains in the concrete wall as shown in FIG. The screw parts 31 at both ends protrude.
In this state, not only the beauty of the wall surface is impaired, but also there is a concern about deterioration of concrete and internal rebar due to intrusion of rainwater from the gap around the separator, and there is a possibility that the infant may be injured by the screw part 31, The cone hole was filled manually with mortar. However, this work is troublesome and, if not performed carefully, there are problems such as an unsightly appearance, and if the mortar is insufficiently filled and there is a gap, the mortar may fall off or the internal There was also a problem that rainwater invaded and rust was generated on the threaded part, rust juice leaked out and the wall surface became dirty.

  Patent Document 1 describes a cone hole processing plug (cone hole filling member) that can cope with such problems. FIG. 12 is a perspective view of the embodiment, and 1A is a plug body (cone hole treatment plug) that fits into a cone-shaped opening of the cone hole. It consists of an outer cylinder 11 having a flange with a size close to the wall surface of the cone hole at the end, and an inner cylinder 12 into which the threaded portion of the separator is inserted into the opening on the bottom side of the cone hole, both made of resin It is molded integrally.

The cone hole processing plug 1A is pushed into the cone hole with a finger and lightly hammered with a hammer so that the tip of the inner cylinder 12 comes into close contact with the bottom of the cone hole, and at the same time, the inner diameter portion of the inner cylinder 12 contacts the threaded portion 31 of the separator. The fin 112 formed on the peripheral surface of the outer cylinder 11 is crushed and the flange 113 at the end is deformed to be fixed in a state where the cone hole is blocked.
JP 2005-139719 A

However, the cone hole processing plug described in Patent Document 1 has many gaps between the cone surface of the cone hole and has insufficient water stoppage in the underground part where the earth pressure or water pressure is high. There was a problem that moisture penetrated into the concrete and deteriorated concrete and internal rebar.
An object of the present invention is to provide a wall surface hole-filling member that solves such problems and has improved water stopping performance, and a method of using the same.

A first aspect of the present invention according to claim 1 is a resin-made filling member for a concrete wall surface that closes the cone hole on the surface of the concrete wall, and is a plug fitted into the cone-shaped opening of the cone hole. A plug and a cap placed on the body. The plug body has an outer tube having a flange having a size close to a wall portion of the cone hole at an end thereof, and a threaded portion of the separator at an opening on the bottom side of the cone hole. An inner cylinder to be inserted, the cap covering the inner cylinder of the plug body, a cone body extending outward from one end of the cylindrical section and in contact with the cone-shaped opening of the cone hole , Ri and reinforcing rib for connecting the cylindrical portion the cone body Tona, and a filling member for concrete wall surface is a shall of the cone body having a notch.

The second present invention according to claim 2, filling a concrete wall surface according to claim 1, characterized in that pushed after filling the sealing agent into inner tube of the stopper cone hole It is the usage method of a member.

  According to the present invention, the water blocking performance of the hole-filling member that closes the cone hole is improved, and the excellent effect is obtained that the deterioration of the concrete wall body caused by the cone hole can be almost completely prevented.

Embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view showing a cap 2 according to an embodiment of the present invention with a part cut away, and FIG. 2 is a bottom view. The cap 2 is made of resin, and has a cylindrical portion 22 that covers the inner cylinder of the concrete wall surface filling member as described in Patent Document 1, and a cone-shaped conical hole that extends outward from one end of the cylindrical portion 22. The cone body 21 is in contact with the opening portion, the reinforcing rib 23 is for connecting the cone body 21 and the cylindrical portion 22, and 24 is a notch provided in the skirt portion of the cone body 21. The method of use and the operation of each part will be described later.

FIG. 3 is a cross-sectional view showing a state in which the cap 2 of the embodiment is mounted on a known resin plug body 1, FIG.
The cap is made of resin as in the case of known plugs, and the resin is preferably a polyethylene resin that has excellent chemical resistance and impact resistance, and has been enhanced in ultraviolet resistance by adding a light-resistant agent.

  The concrete wall surface hole filling member is composed of a plug body 1 fitted into a cone-shaped opening of a cone hole of a wall body and a cap 2 placed on the plug body 1, and the plug body 1 is formed of a cone as described above. The cap 2 is composed of an outer cylinder 11 having a flange 113 sized at the end to close the wall portion of the hole, and an inner cylinder 12 into which the thread portion of the separator is inserted into the opening on the bottom side of the cone hole. A cylindrical portion 22 mounted on the inner cylinder 12 and a cone body 21 that extends outward from one end of the cylindrical portion 22 and contacts the cone-shaped opening of the cone hole.

As shown in FIGS. 3 and 4, if the longitudinal protrusion 121 is formed on the inner surface of the inner cylinder 12, the biting into the threaded portion is further ensured.
FIG. 5 is an explanatory view showing a method for using the concrete wall surface filling member according to the embodiment. 3 and 4, the sealing agent S is filled in the inner cylinder 12 of the plug body 1, and then the plug body 1 is pushed into the cone hole by covering the threaded portion 31 of the cone hole H as indicated by an arrow. 6, as the inner cylinder 12 is inserted into the screw portion 31, the internal sealing agent S is pushed out and overflows into the cone hole, and the surface of the cone body 21 of the cap 2 from the bottom of the cone hole. It goes to, and it will be in the state which fills the whole circumference around the gap. Further, the overflowing sealing agent S enters the inside of the cap 2 from the notch 24 provided in the skirt portion of the cone body 21, and most of the gap is filled with the sealing agent S. (FIG. 6 is drawn with an emphasis on the gap.) This ensures the water stop performance of the hole filling member.

In addition, since the hole-filling member of the present invention can be easily removed with a simple tool, there is no possibility that it will be mixed into the concrete waste material when the wall is removed in the future.
Needless to say, since the separator is not a strength member of the wall body unlike the internal rebar, the strength itself of the hole filling member is not a problem, and the wall body originally having a cone hole by filling the hole. There is no loss of strength.

It is a perspective view shown in the state where a part of cap of the present invention example was notched. It is a bottom view of the cap of an example of the present invention. It is sectional drawing which shows the state which mounted | wore the stopper with the cap of the Example of this invention. It is a perspective view which shows the state which similarly mounted | wore the stopper with the cap of the Example of this invention. It is explanatory drawing which shows the usage method of the hole-filling member for concrete wall surfaces of the Example of this invention. It is sectional drawing which shows the use condition of the hole-filling member for concrete wall surfaces of this invention Example. It is a front view which shows an example of the concrete wall body concerning this invention. It is sectional drawing which shows the concrete wall body under construction. It is explanatory drawing which shows the connection metal fitting concerning this invention. It is a perspective view which shows the connection metal fitting concerning this invention. It is a perspective view which shows the cone hole concerning this invention. It is a perspective view of the cone hole processing stopper which shows the prior art.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Plug body 2 Cap 3 Separator 4 Connecting metal fitting 5 Clip 6 Mold frame 11 Outer cylinder 12 Inner cylinder 21 Cone body 22 Cylindrical part 23 Rib 24 Notch 31 (Separator) thread part 41 (Connecting metal part) Plate-like part 42 ( Cone 112 Fin 113 Flange 121 Projection H Cone hole S Sealant W Wall body

Claims (2)

A resin-made filling member for a concrete wall surface that closes a cone hole on the surface of a concrete wall, wherein the plug (1) fits into a cone-shaped opening of the cone hole and a cap (2) The plug body (1) includes an outer cylinder (11) having a flange (113) having a size close to the wall portion of the cone hole at the end, and a screw of a separator in the opening on the bottom side of the cone hole. The cap (2) includes a cylindrical part (22) that covers the inner cylinder (12) of the plug (1) and one end of the cylindrical part (22). from the cone in contact with the cone-shaped opening of the cone holes spread outward and (21), and reinforcing ribs connecting the cylindrical portion (22) and said cone member (21) (23), Ri Tona, The cone body (21) is notched ( Concrete Wall surface for filling member is shall to have a 4). Using a concrete wall surface for filling member according to claim 1, characterized in that pushed after filling the sealing agent into the cone hole in inner tube of the stopper.

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