JPH0354525Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a mounting bracket used for attaching and fixing a base material to be embedded in concrete to a formwork for concrete.

Conventional Technology Conventionally, when embedding a base material for concrete embedding such as angle iron into concrete in pool lining, etc., as shown in Fig. 19, a base material 2 for concrete embedding is layered on a formwork 1 for concrete. Then, common through holes 3 are provided in a staggered manner, bolts 4 are passed through the through holes 3, and nuts 6 are tightened through washers 5 to attach the base material 2 to the formwork 1.
Fix it. After forming the formwork 1 into a predetermined shape, concrete is poured. Thereafter, as shown in FIG. 20, the nuts 6 are removed and the formwork 1 is removed. Furthermore, the second
As shown in Figure 1, the parts of the bolts 4 protruding from the base material 2 are cut off, and the gaps between each bolt hole 3 and the bolt 4 are filled with welds 7. Next, as shown in FIG. 22, after finishing the welded area using a grinder or the like, a lining plate 8 is pasted onto the base material 2 while being joined by welding 9.

Problems to be Solved by the Invention The above-mentioned conventional techniques for embedding base material in concrete have the following problems.

It takes effort and time to provide the bolt holes 3 in the base material (eg angle iron L50 x 50 x 6).

In order to prevent the joint from becoming defective when the joint of the lining plate 8 is located at the bolt hole 3, the space between the bolt hole 3 and the bolt 4 is filled with welding 7 before lining. Further, it is necessary to finish the process using a grinder or the like, which requires labor and time.

The present invention aims to provide a metal fitting for attaching a base material for embedding in concrete to a formwork, which can solve the above-mentioned problems in conventional techniques when embedding a base material in concrete. .

Means for Solving the Problems In order to solve the above problems, the mounting bracket of the present invention for attaching the base material for embedding in concrete to the formwork is designed to be used for attaching the base material to be embedded in concrete to the formwork. The metal fitting is made of a round bar, has a bent part for holding at least a part of the base material, and has a threaded part at at least one end.

Action: Pass the male threaded part of the mounting bracket through the hole in the formwork, hang the bent part over at least part of the base material, and tighten the male thread with a nut to attach the base material to the formwork. It can be easily installed and fixed without making holes, and after pouring concrete, the formwork can be removed and lining materials etc. can be applied with the protruding male threads cut out.

Embodiment An embodiment of the present invention will be described based on FIGS. 1 to 9. The mounting bracket 11 is made by providing threaded parts 12, 12 at both ends of a round bar (for example, a steel bar with a diameter of 6 mm), bending a part near the center near one end, providing a bent part 13, and forming a bent part. 14 and bent near the other end to form an L-shaped part 15, so that the externally threaded parts 12, 12 at both ends are in a parallel state.

Next, a description will be given of the steps from embedding a base material made of angle iron into concrete using the above-mentioned mounting fittings 11 to attaching a lining plate to the base material.

As shown in FIGS. 1 to 4, a base material 17 is placed on the formwork 16, and through holes 18, 18 are provided in the formwork 16 at locations where the mounting fittings 11 are to be attached. The male threaded portion 12 of the mounting bracket 11 is inserted into the through holes 18, 18.
12 and nuts 2 through washers 19, 19.
Tighten to 0.20. The mounting fittings 11 fix the base material 17 to the formwork 16 in a manner that the base material 17 is held by the bent portion 14 and the L-shaped portion 15. Fifth
Figure 6 shows the formwork 1 with the base material 17 placed as appropriate.
8 shows a state in which it is mounted using a plurality of mounting fittings 11. After this formwork 16 is assembled into a predetermined shape, concrete is poured into the side on which the base material 17 is attached, and after it hardens, the nuts 20 are removed and the formwork 16 is removed (FIG. 7). Next, the part of the mounting bracket 11 protruding from the surface of the base material 17 is cut off, and the remaining part of the mounting bracket 11 is directly embedded in the concrete 21 (Fig. 8).
The lining material 22 is attached to the base material 17 by welding (FIG. 9).

10 to 18 each show a state in which the base material 17 is attached to the formwork 16 using attachment fittings according to other embodiments. Note that the same members are designated by the same numbers.

The mounting bracket 31 shown in FIG.
3, 35 and the bent portion 34 formed by them have a structure in which the base material 17 is held, and the structure is simple with only two bent portions.

The mounting bracket 41 shown in FIG. 11 has threaded portions 42, 42 on both ends, a U-shaped bent portion 43 on one end near the center to form a bent portion 44, and a bent portion 44 on the other end. It has a structure in which a curved portion 45 is formed on both sides, and the base material 17 is curved on both sides 43,
Since it is pressed against the formwork 16 by the intermediate portion 46 of the mounting bracket 45, stable mounting and fixing can be achieved due to the elasticity of the mounting fittings 41.

The mounting bracket 51 shown in FIG. 12 has a male threaded portion 52 only at one end, and an acute bent portion 5 at the other end.
3, and an acute bent part 55 is provided on the end side where the male threaded part 52 is provided, and a bent part 54 is formed between both bent parts 53 and 55. This mounting fitting 51 has a structure in which the base material 17 is simply hooked onto the bending portion 54 at the end on the side of the bent portion 53 . Therefore, since the mounting fitting 51 has only one threaded portion, less material is required, and the number of through holes provided in the formwork may be reduced.

The mounting fitting 61 shown in FIG. 13 has a male threaded portion 62 only at one end, an acute bent portion 63 on the side where the male threaded portion 62 is provided, and a bent portion 64.
It has a structure in which an edge 65 is formed at the tip of the other end, and when the nut 20 is tightened at the male threaded part 62, the edge 65 digs into the surface of the base material 17, and even if the nut 20 is turned, the installation will not be possible. The mounting bracket 61 allows the base material to be stably attached without shifting its holding position.

The mounting bracket 71 shown in FIG. 14 has a male threaded portion 72 only at one end, and a U-shaped bent portion 73 at the end near the center where the male threaded portion 72 is provided.
It has a structure in which a bent portion 74 is formed and a J-shaped portion 75 is formed on the other end side, and the base material 17 is held down by an intermediate portion 76. When the nut 20 is tightened, the intermediate portion 76 prevents the entire mounting fitting 71 from rotating, allowing stable mounting and fixing.

The mounting bracket 81 shown in FIG. 15 has a male threaded portion 82 only at one end, and a U-shaped bent portion 83 at the end near the center where the male threaded portion 82 is provided.
It has a structure in which a bent portion 84 is formed and the U-shaped other end side tip 85 presses down on the base material 17.It has an extremely simple structure, and moreover, when tightened with the nut 20, the entire mounting fitting 81 does not rotate. It can be installed and fixed stably.

The mounting bracket 91 shown in FIG. 16 has a male threaded portion 92 only at one end, and an acute bent portion 9 at the other end.
3 is provided to form a bent part 94, and a square-shaped bent part 95 is provided on the end side where the male thread part 92 is provided, and when the nut 20 is tightened, the mounting fitting 91 rotates. Underlay material 17 at intermediate part 96 without
can be installed and fixed.

The mounting bracket 101 shown in FIG. 17 has a square shape as a whole, and has a male threaded portion 102 only at one end, and has a bent portion 103 on the side where the male threaded portion 102 is provided, and a bent portion. 104 and an edge 10 at the tip of the bent portion 104.
5, and due to the bent portion 104 and the edge 105 at the tip thereof, the base material 17 can be stably attached and fixed without turning when tightening with the nut 20.

FIG. 18 shows two mounting brackets 101 and 111.
An example is shown in which the base material 17 is attached to the formwork 16 using. The mounting fittings 101 are shown in FIG. 17. The mounting fitting 111 has a structure in which a male threaded portion 112 is provided only at one end, a U-shaped bent portion 113 is provided, and a short bent portion 114 is formed. By holding the corresponding sides of the base material 17 made of angle iron with both mounting fittings 101 and 111 and tightening them from both sides, the formwork 16 is
It can be installed and fixed in a well-balanced manner.
Of course, the mounting bracket 111 can be used alone.

Effects of the invention Despite the extremely simple structure of the mounting bracket of this invention, which consists of bending a round bar to form a bent part and providing a threaded part at least at one end, it does not attach to the base material as in the past. The base material can be attached and fixed to the formwork without creating through holes, and even after the formwork is removed, it is only necessary to cut out the part that protrudes from the surface of the base material, which is different from the conventional method. This eliminates the need for complicated work such as filling bolt holes with welding and finishing them, reducing labor, work, and
It has special effects such as being able to significantly reduce time.

[Brief explanation of the drawing]

Figures 1 to 9 show an embodiment of the present invention and how it is used, with Figure 1 being a front view, Figure 2 being a left side view, Figure 3 being a bottom view, and Figure 4 being a right side view. , Figure 5 is an elevation view of the base material attached to the formwork, and Figure 6 is the elevation view of the base material attached to the formwork.
7 is a front view showing the state with the formwork removed, FIG. 8 is a front view showing the state with the protruding part cut away, and FIG. 9 is the state with the lining material welded. 10 to 18. FIG.
The figures are front views showing other embodiments and their usage conditions, and FIGS. 19 to 22 are front views illustrating the steps of the prior art. 11, 21, 31. 41, 51, 61, 71,
81, 91, 101, 111...Mounting bracket, 1
2, 22, 32, 42, 52, 62, 72, 8
2,92,102,112...Male thread part, 14,
24, 34, 44, 54, 64, 74, 84, 9
4,104,114...Bending portion, 16...Formwork, 17...Front material.

Claims (1)

[Scope of utility model registration request] A mounting bracket for attaching a base material to be embedded in concrete to a formwork, which is made of a round bar, has a bent part for holding at least a part of the base material, and has a threaded part at least on one end. A metal fitting for attaching a base material for concrete embedding to a formwork, characterized by comprising: