JP3047101B2 - Anchor - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of an anchor used for installing a pillar or the like in a construction work or a civil engineering work.

[0002]

2. Description of the Related Art Heretofore, a core was removed in accordance with a blackened point, an anchor was inserted into the core, and a column was fixed to the anchor by welding.

[0003]

However, there are problems in that it is difficult to correct the misalignment of the column, the angle and the depth, which occur when the core is removed, and it is difficult to weld the anchor and the column. There is a disadvantage that an accident occurs due to insufficient or uneven welding strength due to the above.

Accordingly, an object of the present invention is to provide a connection member which can correct a misalignment, an angle, a depth, and the like at the time of coring, and can be easily welded.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a cylindrical member having a curved member fixed to an inner wall surface and having a plurality of notches, a column to which a nut is fixed, An anchor is characterized by comprising a bolt screwed to the nut.

[0006]

An embodiment will be described with reference to the drawings. FIG. 1 is a partial cross-sectional view of an anchor-1 according to the present invention buried in a concrete burial hole, and FIG. 1a is a partial longitudinal section in which a filler is injected into a tubular body of the anchor-1 shown in FIG. FIG. 2 is a plan view of the anchor shown in FIG.

An anchor 1 according to the present invention, as shown in FIG. 1, forms an embedded hole 10a in a concrete 10, and is an anchor embedded in the embedded hole 10a. Anchor-1
Has a plurality of cuts 2c, 2c,
A cylindrical body 2 formed with 2c and 2c, and two curved members 3 having one ends 4 and 4 fixed to an inner wall surface 2a of the cylindrical body 2;
3a, a pipe 6 having a nut 5b attached between the curved members 3, 3a in the cylindrical body 2, and the nut 5b
And a bolt 5 to be screwed into the bolt. The fixing of the one ends 4, 4 of the curved members 3, 3a to the inner wall surface 2a may be performed by welding or using an adhesive.

As shown in FIG. 1, a nut 5b screwed to the bolt 5 is fixed to the inner bottom 9 of the pipe 6.
The inner bottom 9 and the nut 5b are fixed by welding. It may be fixed by an adhesive instead of the welding. Into a gap formed between the outer peripheral surface of the cylindrical body 2 of the present anchor-1 and the buried hole 10a formed in the concrete 10, an adhesive resin 13 called a water-swellable-liquid elastic sylate is poured into the concrete 10 It is fixed in the formed buried hole 10a.

A plurality of cuts 2c, 2c, 2c, 2c... Formed in the upper part of the cylindrical body 2 are for confirming and correcting the center deviation at the time of centering. The nut 5b fixed to the bottom surface of the column 6 is screwed into the bolt 5, and the nut 5b and the bolt 5 are rotated to adjust the nut 5b.
The height of the pipe 6 can be finely adjusted. After the fine adjustment, as shown in FIG. 1A, the filler 8 is poured into the cylindrical body 2 and the buried hole 10a formed in the concrete 10 and solidified. The filler 8 uses mortar and a functional inorganic composite material.

FIG. 3 is a partial longitudinal sectional view of another embodiment of the anchor according to the present invention. The anchor-1a of the present example includes a column 6 having a U-shaped member 3b fixed to a lower outer peripheral surface and a nut 5b fixed to an inner bottom 9, and a bolt 5 screwed to the nut 5b. Consists of The tubular body does not exist in the anchor-1a of this example.

In the anchor-1a of this embodiment, as shown in FIGS. 1, 1a and 2, there is no tubular body. In order to install the anchor-1a of this example, a hole 10a in which the anchor-1a of this example can be embedded is made in the concrete 10, and the anchor-1a of this example is inserted into the hole 10a. The filler 8 is poured into the buried hole 10a and fixed.

FIG. 4 is a partial sectional view of another embodiment of the anchor according to the present invention. The anchor 1b of the present example has a plurality of slits 2d, 2d, 2d,... Formed in the lower part and curved members 3, 3a having one end 4, 4 fixed to the inner wall surface on the inner wall surface. Is an anchor made of a cylindrical body provided with a.

In order to install the anchor-1b of this embodiment, FIG.
As shown in FIG. 5, a projection 7 that can be fitted to the lower end of the anchor 1b is provided on the concrete 10 and when the anchor 1b is pressed, the projection 7 is pressed into the lower portion of the anchor 1b, It is installed on the protrusion 7. When the anchor-1b of this example is installed, slits 2d, 2d
are formed, the cylindrical body 2 is formed.
Is installed so that the lower part of the divergence wraps around the protrusion 7.

FIGS. 5 and 6 are partial sectional views of another embodiment of the anchor according to the present invention. Anchor-1c of this example
Has a tubular body 2 on a substrate 2b, and inside the tubular body 2 there are two curved members 3, 3a;
Are fixed to the inner wall surface of the cylindrical body 2.

An L-shaped holding member 12 is provided on the lower surface of the substrate 2b.
Is mounted so that it protrudes downward,
A projecting plate 18 is screwed to the cylindrical body 2 projecting outward from the base 2b, the column 6 having a nut fixed to the inner bottom, and the nut fixed to the inner bottom of the column 6. Screw thread 5
The bolt 5 is formed with a. The L-shaped holding member 12 and the bolt 5 are integrally connected.

A holding member 12 is integrally connected to the bolt 5. Screw holes 18a, 18 for inserting screws are formed in the protruding plate 18 protruding from the lower end of the outer peripheral surface 2a of the cylindrical body 2.
a is formed.

FIG. 6 is a partial longitudinal sectional view showing a state where a cap is attached to the anchor 1c shown in FIG. In the tubular body 2 of the anchor 1c of this example, the cap 11a is
4 detachably attached.

As described above, by allowing the cap 11a to be attached to and detached from the anchor-1c of the present embodiment, when the anchor-1c is installed, concrete debris, dust and the like are removed.
This is for preventing inflow into the cylindrical body 2.

FIG. 7 is a partial longitudinal sectional view of another embodiment of the anchor according to the present invention, and FIG. 8 is a plan view of the anchor shown in FIG. In the anchor 1d of this example, there are two curved members 3, 3a inside the cylindrical body 2, one ends 4, 4 of the curved members 3, 3a are fixed to the inner wall surface of the cylindrical body 2, and the substrate 2b Has a structure in which L-shaped holding members 12 and 12 are attached to the back surface thereof.

As shown in FIGS. 7 and 8, by attaching the cap 11 to the anchor 1d of the present embodiment, even when the anchor 1d is installed, concrete debris, dust, etc. remain in the cylindrical body 2. Can be prevented from entering.

Screw holes 18a are formed in the projecting plates 18, 18 projecting outward on the left and right sides of the opening edge at the upper end of the cylindrical body 2. Screw holes 18a are formed in the screw holes 18a, 18a, 18a, 18a. , 18c, 18c, 18c are screwed together to fix the anchor-1d of this example to the wooden bars 18b, 18b.

FIG. 9 is a partial longitudinal sectional view of another embodiment of the anchor according to the present invention. In the anchor-1e of this example, a large number of holes 2f are formed in the cylindrical body 2 and the cylindrical body 2
The ends 4, 4 of the curved members 3, 3a are fixed to the inner peripheral surface of the first member. The fixing may be performed by welding or an adhesive.

A projecting plate 1 having screw holes 18a, 18a formed outside the opening edge at the lower end of the cylindrical body 2.
8 and 18 are provided. The large number of holes 2f formed in the cylindrical body 2 increase the adhesive strength by the adhesive entering and fixing the holes 2f when the adhesive is applied.

FIG. 10 is a front view of another embodiment of the anchor according to the present invention, and FIG. 11 is a plan view thereof. As shown in FIG. 10, the anchor 1f of this embodiment has a substrate 1 at the lower end of the cylindrical body 2.
9 are provided, and reinforcing knobs 17 are connected to the substrate 19 and the outer peripheral surface of the cylindrical body 2 at 90-degree intervals on the lower outer peripheral surface of the cylindrical body 2.

As shown in FIG. 11, the anchor 1f of this embodiment has curved members 3, 3a having one ends 4, 4 fixed to the inner peripheral surface of the cylindrical body 2, and a square substrate. 1
9 has an insertion hole 19 through which a bolt or the like is inserted.
a, 19a, 19a, and 19a are formed. The fixing of the one ends 4, 4 of the bending members 3, 3a to the inner peripheral surface of the cylindrical body 2 may be performed by welding or an adhesive. The substrate 19
Is not limited to a square shape, and may be a circular shape, an elliptical shape, or the like.

FIGS. 12 to 12g are views showing the shapes of the pillars constituting the anchor according to the present invention. FIG. 12 shows a rectangular cross section, not a hollow column. 12a is a column 6b having a rectangular cross section, FIG. 12b is a column 6c having a square cross section, FIG. 12c
Is a support 6d having a circular cross section, FIG. 12d is a support 6e having a wavy cross section, FIG. 12e is a support 6f having a triangular cross section, and FIG. 12f is a support 6g having an elliptical cross section. Is shown.

In the present invention, fine adjustment is made by moving the curved members 3, 3a, one end of which is fixed to the inner peripheral surface of the cylindrical body 2, to thereby make the columns 6a, 6b, 6c,
6d, 6e, 6f, 6g can be connected.

FIG. 13 is a front view showing a state in which a handrail is attached using the anchor according to the present invention, and FIG. 14 is a view showing FIG.
It is a longitudinal section along the AA line in the inside. FIG. 13 and FIG.
As shown in FIG. 4, first, a pillar 21 constituting a handrail 20 is inserted into a burial hole 10 a provided in
Buried. A handrail 20 is attached to the installed anchor-1.
Is attached, and the handrail 20 is reinforced and fixed.

[0029]

The present invention has the following effects because it has the above-described configuration. First, by inserting an anchor after coring, the inclination at the time of coring can be corrected. Second, by moving and adjusting the curved member in the cylinder, it is possible to cope with variously shaped columns. Third, since an anchor having a symmetrical shape is used, springback occurs and the support becomes more self-supporting and the fixing strength increases, and the fixing strength becomes uniform. Fourth, fine adjustment of the height of the columns supporting railings and balustrades can be easily performed by bolts attached by factory processing.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a state where an anchor according to the present invention is attached.

FIG. 1a is a longitudinal sectional view showing a state where an anchor according to the present invention is attached and a filler is injected into a cylindrical body.

FIG. 2 is a plan view showing a state where an anchor according to the present invention is attached.

FIG. 3 is a longitudinal sectional view of another embodiment of the anchor according to the present invention.

FIG. 4 is a longitudinal sectional view of another embodiment of the anchor according to the present invention.

FIG. 5 is a longitudinal sectional view of another embodiment of the anchor according to the present invention.

FIG. 6 is a longitudinal sectional view of another embodiment of the anchor according to the present invention.

FIG. 7 is a longitudinal sectional view of another embodiment of the anchor according to the present invention.

FIG. 8 is a plan view of the anchor of the embodiment shown in FIG. 7;

FIG. 9 is a longitudinal sectional view of another embodiment of the anchor according to the present invention.

FIG. 10 is a front view of another embodiment of the anchor according to the present invention.

FIG. 11 is a plan view of the anchor shown in FIG. 11;

FIG. 12 is a front view of a column constituting an anchor according to the present invention.

FIG. 12a is a cross-sectional view of a pillar constituting an anchor according to the present invention, which is a metal pipe having a rectangular cross section.

FIG. 12b is a cross-sectional view of a column constituting the anchor according to the present invention, the column having a square cross section.

FIG. 12c is a cross-sectional view of a column constituting the anchor of the present invention, the column having a circular cross section.

FIG. 12d is a cross-sectional view of a column constituting the anchor according to the present invention, the cross-section of which is a corrugated column.

FIG. 12e is a cross-sectional view of a column constituting the anchor according to the present invention, the column having a triangular cross section.

FIG. 12f is a cross-sectional view of a column constituting an anchor according to the present invention, the column having an elliptical cross section.

FIG. 13 is a front view of a state where a handrail is attached using an anchor according to the present invention.

FIG. 14 is a longitudinal sectional view taken along line AA in FIG. 13 in which a support is attached using the anchors shown in FIGS. 1, 1A and 2;

[Description of Signs] 1-1i Anchor 2 Cylindrical body 2a Outer peripheral surface 2b Substrate 2c Notch 2d Slit 2e Cylindrical lower part 2f Hole 3, 3a Curved member 3b U-shaped member 4 One end 5 Bolt 5a Screw 5b Nut 6 Post 7 Projecting portion 8 Filling material 9 Inner bottom 10 Concrete 10a Buried hole 11 Cap 11a Cap 12 Holding member 13 Adhesive resin 14 Wing nut 15 Bolt 16 Support 17 Reinforcement knob 18 Projection plate 18a Screw hole 18b Wooden bar 18c Screw 19 Substrate 19a Insertion hole 20 Handrail 21 Prop

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) E04B 1/00 501

Claims (7)

(57) [Claims] A cylindrical member provided with a curved member having one end fixed to an inner wall surface and having a plurality of notches;
An anchor comprising a column to which a nut is fixed, and a bolt screwed to the nut. 2. A support having a U-shaped member fixed to a lower outer peripheral surface and a nut fixed to an inner bottom,
An anchor comprising a bolt screwed to the nut. 3. A cylindrical body having a lower portion provided with a plurality of slits and a curved member having one end fixed to the inner wall surface on an inner wall surface, and a support column to which a nut is fixed. And a bolt screwed to the nut. 4. A tubular body provided with a curved member and a bolt, one end of which is fixed to an inner wall surface, on a substrate on which a projecting plate is projected and a holding member is fixed to the back surface, and a nut fixed to an inner bottom. An anchor characterized in that it is composed of a supporting column. 5. A protruding plate protrudes outward from an opening edge at an upper end,
Two holding members are attached to the lower surface of the bottom plate, and a cylindrical body provided with a curved member having one end fixed to the inner wall surface, a column to which a nut is fixed, and screwed to the nut. An anchor characterized by comprising a bolt. 6. A cylindrical body provided with a curved member having one end fixed to an inner wall surface and having a plurality of holes formed therein, a column to which a nut is fixed, and a bolt screwed to the nut. An anchor characterized by comprising: 7. A bending member mounted on a substrate having an insertion hole formed therein and having one end fixed to an inner wall surface,
An anchor comprising: a cylindrical body provided with a reinforcing knob on an outer peripheral surface; a column to which a nut is fixed; and a bolt screwed to the nut.