JP3084944U - securing bracket - Google Patents

Abstract

(57) An object of the present invention is to provide a lightweight and highly workable fixing bracket that can simultaneously perform anchoring and positioning and fixing of a formwork. Kind Code: A1 The present invention comprises form fixing parts provided on both sides in the longitudinal direction of a thin plate-shaped main body, and a cylindrical part standing upright from substantially the center of the main body and positioning and fixing an anchor bolt. I have. The form-fixing portions 11, 11 are first bent pieces 11 </ b> A formed by bending the longitudinal end of the main body in a direction opposite to the direction in which the cylindrical portion 20 is erected.
And the cutout portion from the main body between the cylindrical portion 20 and the first bent pieces 11A, 11A
A, 11A and second bent portions 11B, 11B formed by bending in the same direction.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a fixing bracket for positioning and fixing an anchor bolt installed on a foundation of a building and fixing a panel-shaped steel formwork.

[0002]

[Prior art]

 FIG. 9 is a perspective view showing a part of a foundation and a base of a building such as a house. A foundation 1 made of concrete is provided along the periphery of the planned building site, and its bottom 2 is buried in the ground. A base 4 made of wood is attached along the upper surface of the wall 3 of the base 1. Here, so-called anchor bolts 5 are used to firmly fix the foundation 1 and the base 2. The lower part of the anchor bolt 5 is embedded in the wall part 3 of the base part 1, and the upper part is passed through a through hole 6 formed in the base 4, and is screwed on the upper surface of the base 4 by a washer 7 and a nut 8. ing. It is to be noted that the lower end of the anchor bolt 5 is generally subjected to a process such as bending for the purpose of an anchor effect.

[0003] As a general construction method of the above-mentioned foundation 1, a formwork of the foundation 1 is assembled on site, a concrete material is poured into the formwork, and anchor bolts 4 are fixed before the concrete material hardens. To a predetermined depth. Here, with respect to the wall 3 standing from the bottom 2 of the foundation 1, a panel-shaped steel formwork is installed on both sides thereof in order to improve work performance and shorten delivery time. Concrete material was poured into the frame. And, a fixing bracket has been used to fix such a steel formwork.

[0004]

[Problems to be solved by the invention]

 However, when the anchor bolts 4 are inserted only by hand, the positioning cannot be accurately performed, and at the same time, the anchor bolts 4 that have been inserted sink into unconsolidated concrete material, resulting in displacement. was there. Thus, some fasteners for anchor bolts 4 and fasteners for formwork have been proposed, but they have disadvantages in that they are heavy and the installation work is complicated.

[0005] Therefore, an object of the present invention is to provide a fixing bracket which can simultaneously perform positioning and fixing of an anchor bolt and fixing of a formwork, and is lightweight and excellent in workability.

[0006]

[Means for Solving the Problems]

 The fixing bracket of the present invention is provided integrally with the main body on both sides in the longitudinal direction of the main body, and includes a form fixing portion for fixing an upper end or a lower end of the form, and a positioning fixing of the anchor bolts standing upright from the main body. And a cylindrical portion that performs the operation.

[0007] According to this configuration, since the form fixing portion is integrated with the main body, the mounting operation is completed with one touch. In addition, since the cylinder for positioning and fixing the anchor bolt is provided, the anchor bolt can be accurately positioned and fixed by passing the anchor bolt through the cylinder and fixing with the bolt from the side surface of the cylinder. .

Further, the fixing bracket of the present invention is a fixing bracket for fixing a panel-shaped steel formwork to be installed on a foundation of a building, and is formed by bending an end in a longitudinal direction of a main body. A form fixing portion including a first bent portion formed, a second bent portion formed by bending a cut portion from the main body in the same direction as the first bent portion; And a groove crossing the width direction of the main body adjacent to the bent portion of the main body.

According to this configuration, since the formwork fixing portion is integrated with the main body, the mounting operation can be completed with one touch, and the width of the main body is added to the surface portion of the main body close to the second bent portion. Since the groove is provided so as to cross the direction, the unnecessary part of the fixing bracket can be easily removed by cutting this groove, and the efficiency of the work of removing the steel formwork and anchor bolt fixing bracket can be improved. Can be planned.

[0010]

[Embodiment of the invention]

 Next, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a front view of a fixing bracket according to a first embodiment of the present invention, and FIG. 2 is a plan view thereof.

The fixing bracket 10 includes form fixing parts 11, 11 provided on both sides in the longitudinal direction of the thin plate-shaped main body, and a cylindrical part 20 erected from substantially the center of the main body and positioned and fixed to the anchor bolt 5. It is composed of

The formwork fixing portions 11, 11 are first bent portions 11 A, 11 A formed by bending the longitudinal ends of the main body at substantially right angles in a direction opposite to the direction in which the cylindrical portion 20 is erected. A second bent portion 11B formed by bending a cutout portion from the main body between the cylindrical portion 20 and the first bent portions 11A, 11A in substantially the same direction as the first bent portions 11A, 11A. , 11B.

Here, since the second bent portions 11B, 11B are cut out from the main body, rectangular cut-out holes 12, 12 are formed in the cut-out portions. As will be described later, by fitting the form fixing portions 11 and 11 to the upper or lower end of a pair of panel-shaped steel forms, the steel form can be fixed with one touch.

The cylindrical portion 20 for positioning and fixing the anchor bolt 5 has its lower end 21 welded to the main body or fixed by caulking. A screw hole 22 having a female screw formed on the inner surface is provided on the side surface of the cylindrical portion 20. An anchor passed through the through hole 24 of the cylindrical portion 20 by a thumb screw 23 through the screw hole 22. It is configured so that bolts can be fixed.

The cylindrical portion 20 is provided at the center in the longitudinal direction of the main body or at a position shifted from the center. When the cylindrical portion 20 is provided at the center in the longitudinal direction of the main body, the anchor bolt 5 is inserted into the center of the base portion. A reinforcing skeleton is embedded in the foundation, but if the skeleton is arranged at the center of the foundation, the anchor bolts 5 will interfere with the skeleton. Therefore, when the reinforcing skeleton is arranged at the center of the base portion, the cylindrical portion 20 is shifted from the center in the longitudinal direction of the main body, thereby preventing the anchor bolt 5 from interfering with the skeleton.

Next, a second embodiment of the present invention will be described in detail with reference to the drawings. FIG. 3 is a front view of the fixing bracket according to the second embodiment of the present invention. FIG. 4 is a plan view thereof. FIG. 5 is a sectional view taken along line XX in FIG. In the present embodiment, grooves 13 for cutting are formed on the surface portion of the main body in the vicinity of the second bent portions 11B, 11B without the cylindrical portion 20 so as to cross the width direction of the main body. This is different from the first embodiment. Other configurations are the same as those of the first embodiment. The fixing bracket 60 of the present embodiment is used exclusively for fixing the steel formwork. However, by providing the cutting grooves 13, 13, a force is applied vertically to the first bent portions 11 </ b> A. By adding, the grooves 13, 13 are relatively easily cut. This is useful for removing the steel formwork and anchor bolt fixing bracket as described later.

Next, a method of using the above-described fixing fittings 10 and 60 will be described with reference to the drawings. 6 is a plan view showing the foundation 1 of the building under construction, FIG. 7 is a cross-sectional view taken along line YY of FIG. 6, and FIG. 8 is a perspective view showing the foundation of the building under construction. is there.

A pair of panel-shaped steel molds 40 for forming the wall 3 is installed on a box-shaped steel mold 30 for forming the bottom 2 of the base 1. Although only one pair of the panel-shaped steel formwork 40 shown in the figure is used, a large number of the panel-shaped steel formwork 40 are actually connected along the planned construction site.

Fixing fittings 10 and 60 are attached so as to fix upper end portions 41 of the pair of panel-shaped steel molds 40 and 40, respectively. That is, the recesses of the formwork fixing portions 11A and 11B of the fixture 10 are fitted to the upper end 41 of the steel formwork 40, and the recesses of the formwork fixing portions 11A and 11B of the fixture 60 are By being fitted to the lower end 42 of the frame 40, the panel-shaped steel frames 40, 40 are positioned and fixed with one touch. Then, the anchor bolt 5 is inserted into the cylindrical portion 20 of the fixture 10 to a predetermined depth, and is fixed with the thumb screw 23.

Here, in order to prevent the anchor bolt 5 from interfering with the reinforcing frames 50, 50,... Provided in a lattice shape, the anchor bolt fixing bracket 10 in which the position of the cylindrical portion 20 is adjusted is selected. Good to do.

After the box-shaped steel formwork 30, the panel-shaped steel formwork 40, and the anchor bolt 5 are installed in this way, first, a concrete material is poured into the box-shaped steel formwork 30, After a few days, the concrete material solidifies and the bottom 2 is formed, the concrete material is poured into a region surrounded by the panel-shaped steel formwork 40. Further, after the concrete material is hardened by leaving it for several days, the fixing fitting 10 attached to the upper end 41 of the panel-shaped steel formwork 40 is removed, and the panel-shaped steel formwork 40 is removed.

Here, the fixing bracket 60 attached to the lower end portion 42 of the panel-shaped steel formwork 40 is not removed since it is embedded under the concrete material, but the steel formwork 40, 40 is fixed. The portions outside the second bent portions 11B, 11B remain outside the wall portion 3 and become obstructive. Therefore, using the above-described cutting grooves 13 and 13, a vertical force is applied to the first bent portions 11A and 11A, and cutting is performed at the grooves 13 and 13. Thereby, an unnecessary portion of the fixing bracket 60 can be removed.

[0023]

[Effect of the invention]

 According to the fixing bracket of the present invention, since the form fixing portion is integrated with the main body, there is an advantage that the mounting operation can be completed with one touch to the steel form. In addition, since the cylinder for positioning and fixing the anchor bolt is provided, the anchor bolt can be accurately positioned and fixed by passing the anchor bolt through the cylinder and fixing it with bolts from the side of the cylinder. .

Further, since the mold fixing portion and the cylindrical portion for positioning and fixing the anchor bolt are integrated, it is possible to provide an anchor bolt fixing metal which is lightweight and inexpensive in manufacturing cost.

[0025] Further, the form-fixing portion is composed of first and second bent portions bent from the main body, and traverses the width direction of the main body on a surface portion of the main body close to the second bent portion. Since the grooves are provided as described above, there is an advantage that the removal operation can be easily performed.

[Brief description of the drawings]

FIG. 1 is a front view of a fixing bracket according to a first embodiment of the present invention.

FIG. 2 is a plan view of the fixing bracket according to the first embodiment of the present invention.

FIG. 3 is a front view of a fixture according to a second embodiment of the present invention.

FIG. 4 is a plan view of a fixture according to a second embodiment of the present invention.

FIG. 5 is a sectional view taken along line XX in FIG. 4;

FIG. 6 is a plan view illustrating a method of using the fixing bracket according to the embodiment of the present invention.

FIG. 7 is a sectional view taken along line YY of FIG. 6;

FIG. 8 is a perspective view illustrating a method of using the fixing bracket according to the embodiment of the present invention.

FIG. 9 is a perspective view showing a part of a foundation and a base of a building such as a house.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Form fixing part 11A 1st bending part 11B 2nd bending part 12 Cut-out hole 13 Groove 20 Cylindrical part 22 Screw hole 23 Thumb screw 24 Through-hole 40 Panel-shaped steel form 41 Upper end 42 Lower end 50 Reinforcement Skeleton

Claims (5)

[Utility model registration claims] 1. A fixing bracket for positioning and fixing an anchor bolt installed on a foundation of a building and for fixing a panel-shaped steel formwork, and is integrated with the main body on both sides in the longitudinal direction of the main body. A fixing bracket comprising: a form fixing part for fixing the steel form; and a tubular part erected from the main body and positioned and fixed to an anchor bolt. 2. The fixing bracket according to claim 1, wherein a lower end surface of the cylindrical portion is caulked and fixed to the main body. 3. The fixing bracket according to claim 1, wherein a center of the cylindrical portion is displaced from a center in a longitudinal direction of the main body. 4. The mold fixing portion includes a first bent portion formed by bending an end portion in a longitudinal direction of a main body in a direction opposite to a direction in which the cylindrical portion stands up; And a second bent portion formed by bending a portion cut out from the main body between the first bent portion and the second bent portion in the same direction as the first bent portion. The fixing bracket according to any one of the above. 5. A fixing part for fixing a panel-shaped steel formwork installed on a foundation of a building, wherein the first bending part is formed by bending an end in a longitudinal direction of a main body. A form fixing portion comprising a cutout portion from the main body and a second bent portion formed by bending the cutout portion in the same direction as the first bent portion; and a main body close to the second bent portion. And a groove crossing the width direction.