JP2002138489A - Frame plate holder for form of base concrete - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provdie a frame plate holder constituting a form of concrete, which is capable of stably holding a frame plate for the form for concurrently creating the base concrete and an underfloor concrete layer of a house, etc., facilitating the assembly of the form, and preventing a broken bolt from being rusted due to stormwater. SOLUTION: The holder 10, having a recess 11 where into the lower end of one frame plate 2 is fitted, is mounted at the end of the bolt 9 extended from the side of the other frame plate 1. The holder 10 is fitted with a supporting rod 7 and extended downward, and a cap 12 is mounted on a bolt base on the side of fixation to the frame plate 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a frame plate holder capable of forming a form frame by simply arranging the frame plate when forming basic concrete for a house or the like.

[0002]

2. Description of the Related Art Base concrete has a substantially inverted T-shaped cross section, and this base concrete is formed by pouring concrete into a predetermined formwork. In this case, the formwork is constructed by laying plywood vertically at regular intervals to form a base of base concrete, and installing a rising formwork with a narrower space on the base to pour the concrete.
Therefore, it is necessary to separately form the base and the rise, and the assembling work of the formwork is not only troublesome, but also compared with the case where the foundation concrete is formed at once, the production of the formwork and the concrete are not required. The man-hour required for the pouring work is approximately doubled.

[0003] In recent years, the entire surface under the floor has been made a concrete surface to prevent the rise of moisture from the ground (moisture proof) and to perform a moisture proof treatment to prevent the generation of termites. Therefore, in this case, after the foundation concrete is created, a concrete layer is further formed on the ground below the floor, and the concrete is poured three times.

[0004] In order to reduce the number of work steps,
You can create concrete and underfloor concrete layers at the same time
Used molds have been used in some cases in recent years. Figure
6 is a specific example thereof, for holding the frame plates (a) and (b).
A holder is used. One frame plate on the base (c)
(A) stands up, and a frame plate holder (d) is attached to this frame plate (a).
It extends horizontally and is supported by another frame plate (b) at the tip
Have been. At the upper end of both frame plates (a) and (b), a connecting tool
(E) is connected with the
The concrete is poured and the foundation concrete A is created.

On the other hand, frame plates (f) and (f) for forming another basic concrete B stand on the frame plate holder (g). By the way, part of the concrete poured into the frame plates (a) and (b) and the frame plates (f) and (f) in order to create the foundation concretes A and B flows out from under the frame plate and forms the underfloor concrete layer C. Become.

Incidentally, a frame plate holder (d) for supporting a frame plate (b) for forming the basic concrete A is a frame plate (a).
With a cantilevered support and a frame plate at the end
(B) is not stable. When the concrete poured between the frame plates (a) and (b) has hardened,
(A) and (b) are removed, and the bolt (h) protruding from the side of the foundation concrete A is broken.

FIG. 7 is a detailed view showing the base of the frame holder (d). FIG. 7 (a) shows that the bolts (h) of the frame plate holder (d) are fixed to the frame plate (a) with nuts (i). In this case, the nut (re) shown by the dotted line is removed, the frame plate (a) is removed, and the bolt (h) protruding from the side of the foundation concrete is cut off. Then, as shown in (b), mortar (nu) is applied to the side of the foundation concrete. However, the rainwater that has penetrated the thin mortar layer reaches the broken bolt, and the bolt (h) rusts and cracks or cracks in the concrete.

On the other hand, as shown in FIG. 7, a bolt (H) is fastened to the frame plate (A) with a nut (R) and a frame plate holder is provided.
(D) will be attached, but this frame plate holder
(D) Tightening the nut (R) to install it is troublesome. That is, before tightening, the bolt tip must be correctly aligned with the screw hole of the nut (R), and the nut for mounting more than 100 frame plate holders (D), (D) ... at one site The man-hour for screwing (i) is very large.

[0009]

As described above, the conventional base
The foundation concrete formwork structure has the above problems.
You. The problem to be solved by the present invention is this problem.
It is easy to assemble the formwork and stabilize the frame plate.
Can be held and the broken bolts
The frame that forms the foundation concrete formwork without rust
Provide a plate holder. On the other hand, nut tightening
Frame that can be attached to the frame plate relatively easily by making
Provide a plate holder.

[0010]

According to the present invention, the sectional shape of the basic concrete is not an inverted T-shape but an L-shaped sectional shape, and the formwork has a structure capable of forming an L-shaped basic concrete. That is, as shown in FIG. 6, the present invention is a formwork capable of simultaneously forming the foundation concrete and the under-floor concrete layer. The present invention is a holder for a frame plate constituting this formwork, Has been eliminated.

In the frame plate holder of the present invention, the holder is attached to the tip of the bolt, and the base is screwed to the frame plate. A cap is attached to the base, and the cap comes into contact with the inner surface of the frame plate. Fixed in state. The cap has a substantially cylindrical shape or a substantially conical shape, and if the concrete poured into the mold forms and removes the cap, a recess is formed on the side of the foundation concrete. The end face of the removed bolt is located at the bottom of the recess.

The mounting mode of the cap is not particularly limited, but a screw hole is provided in the cap, a screw provided in the bolt base is screwed and connected, and a screw for fixing to the frame plate is attached to the cap. It is provided on the same axis as the hole. Also, a stopper collar may be provided on the bolt base to secure the bolt base so as not to come off, and the bolt base together with the cap may be cut off after the frame plate is removed.

The frame plate holder of the present invention is provided with a support rod. The support bar is a support for preventing the frame plate from being bent by weight when the frame plate is placed on the holder, and the lower end of the support bar is supported against the base surface. Further, the frame plate holder of the present invention is stable because the cap is screwed in contact with the frame plate, that is, the frame plate is sandwiched and fixed between the cap and the nut. On the other hand, when screwing the nut to the screw, the screw hole of the nut is provided with a pilot hole large enough to fit the screw so that the screw hole and the screw can be tightened without particularly requiring alignment. . Hereinafter, embodiments according to the present invention will be described in detail with reference to the drawings.

[0014]

FIG. 1 shows a case in which concrete is poured into a mold formed by attaching a frame plate to a frame plate holder according to the present invention, a foundation concrete A on the outside, a foundation concrete B on the inside, and both foundations. An underfloor concrete layer C is formed between the concretes A and B. This concrete layer C
Accordingly, moisture under the floor is suppressed as much as possible, and the building is not affected by insects such as termites, and airtightness and heat insulation under the floor are enhanced.

By the way, the basic concretes A, B and
When constructing the underfloor concrete layer C,
3a and 3b are attached to the frame plate holders 4 and 5, respectively,
Concrete is poured between 1, 2 and frame plates 3a, 3b
I will. Therefore, the two frames 1, 2, 3a, 3b
In addition to the foundation concrete A and B,
C is created at once. This foundation concrete A, B and
The structure of the underfloor concrete layer C is as shown in FIG.
Same as case.

Incidentally, the frame plate 1 stands upright from the base 6,
A frame plate holder 4 is attached to the frame plate 1 by screwing, and another frame plate 2 is mounted on the tip. A support rod 7 is provided so that the frame plate holder 4 does not bend due to the weight of the frame plate 2.

FIG. 2 shows an embodiment of the frame plate holder 4. A holder 10 is fixed to the tip of a bolt 9 by welding or the like, and a support rod 7 is attached to the holder 10 and extends downward. 19 at the lower end of the support bar 7 indicates a rust prevention cap. The holder 10 is formed with a concave portion 11 into which the lower end of the frame plate 2 is fitted. A cap 12 is screwed and attached to the base of the bolt 9, and a screw 13 extends from the cap 12.

FIG. 3A is an enlarged view of a portion A in FIG. 1, and the screw 13 of the cap 12 passes through a hole formed in the frame plate 1, and the end face of the cap is connected to the frame plate 1. At the same time, a nut 14 is fastened and fixed to the screw 13. That is, the frame plate 1 is fixed with the cap 12 and the nut 14 sandwiched therebetween. The front end of the frame plate holder 4 is supported by a support rod 7 and the frame plate 2
Can be supported without bending even if it is placed.

When the concrete poured between the frame plates 1 and 2 is solidified, the nut 14 is loosened to remove the frame plate 1 and the cap 12 screwed to the bolt 9 is removed. (b). That is, the concave portion 15 remains on the side surface of the foundation concrete A which is solidified by removing the cap 12, and the base end of the bolt 9 is present at the bottom of the concave portion 15.

The side of the hardened foundation concrete A
The mortar will be thinly applied as usual,
Is buried in the mortar and the base end of the bolt is embedded in the mortar
However, the bolt 9 does not rust due to the penetration of rainwater. Departure
Akira says that concrete has hardened and frame plates 1 and 2 have been removed.
The base end of bolt of frame plate holder 4 is base concrete
It is designed to be at a position recessed from the side of A,
However, it is limited to the cap 12 that is screwed to the base of the bolt 9
Absent.

FIG. 4 shows another embodiment of the frame plate holder 4.
In this embodiment, the cap 16 is attached to the base of the bolt 9.
And its end face is screwed against the frame plate 1.
You. A notch groove 17 is formed in the bolt 9 to
As a result, the stopper 18 protrudes from the
The pump 16 is positioned. And it is provided on the frame plate 1
Nut 14 into the screw at the end of the bolt that has passed through the hole
And tighten. As in the case of the above embodiment, the cap 1
The frame plate 1 is fixed between the nut 6 and the nut 14.
At the tip of the bolt, as shown in FIG.
-10 is attached, and the support rod 7 is attached to the holder 10.
It is worn and extends downward.

FIG. 5 shows another form of the nut 20 for mounting the frame plate holder 4 shown in FIG.
A nut 20 is screwed into the screw 21 at the base of the bolt, so that the frame plate 1 can be sandwiched between the cap 16 and the nut 20. Have a prepared hole 23.
Therefore, when tightening the nut 20 to the screw, if the screw 21 is fitted into the prepared hole 23 and the nut 20 is rotated,
The screw 21 can be properly screwed. In the case of the nut 14 shown in FIG. 4, the screw hole must be aligned with the screw 21, and this alignment work is very troublesome.

As described above, the frame plate holder according to the present invention has the holder formed with the concave portion into which the lower end of the frame plate fits at the tip of the bolt, and the holder is provided with the support rod and extended downward. In addition, since the base of the bolt is provided with a cap, the following effects can be obtained.

[0024]

The frame plate holder of the present invention is configured so as to be screwed to one frame plate and to be able to support the other frame plate. In addition, a support rod is attached to the holder on which the frame plate is mounted and extends downward, and does not bend even if the weight of the frame plate is supported. And there is a space below the frame plate supported on the frame plate holder, so if concrete is poured between both frame plates, basic concrete is created and from the space formed at the lower end of the inner frame plate The concrete flows and the concrete layer under the floor can be created at the same time.

On the other hand, the frame plate holder of the present invention is mounted on one frame plate, but the cap provided at the base of the bolt is stably mounted on the frame plate, and the concrete poured into the form is solidified. Thereafter, if the frame plate and the cap are removed, a concave portion will be formed on the side of the foundation concrete. The base end of the bolt of the frame plate holder is located at the bottom of the recess, and the mortar applied to the side surface of the foundation concrete prevents rainwater from penetrating to fill the recess and corrode the bolt. Further, by providing a pilot hole in the nut to be screwed to the bolt base to mount the frame plate holder, the work of aligning the screw holes becomes unnecessary, and the time required for the work of tightening the nut is greatly reduced.

[Brief description of the drawings]

FIG. 1 shows a mold structure using a frame plate holder of the present invention.

FIG. 2 is an embodiment showing a frame plate holder of the present invention.

3A is an enlarged view of a portion A in FIG. 1, and FIG. 3B is a concave portion after removing a frame plate and a cap.

FIG. 4 is another embodiment showing the base of the frame plate holder of the present invention.

FIG. 5 is a nut provided with a pilot hole for mounting a frame plate holder.

FIG. 6 shows a mold structure using a conventional frame plate holder.

FIG. 7 (a) shows the base of a conventional frame plate holder, and FIG. 7 (b) shows the case where the frame plate is removed and the bolt base is cut off.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Frame plate 2 Frame plate 3 Frame plate 4 Frame plate holder 5 Frame plate holder 6 Base 7 Support rod 8 Connecting tool 9 Bolt 10 Holder 11 Concave 12 Cap 13 Screw 14 Nut 15 Concave 16 Cap 17 Notch groove 18 Stopper 19 Rust prevention Cap 20 Nut 21 Screw 22 Screw hole 23 Prepared hole

Claims (4)

[Claims] 1. A frame plate holder for holding a frame plate for formwork for simultaneously forming a foundation concrete and a concrete layer under the floor of a house or the like, wherein the frame plate holder is attached to one of the frame plates and has the other end at the tip. A structure that can support the frame plate on it, so that a bolt with a concave portion to which the lower end of the other frame plate fits is attached to the tip of the bolt extending from one frame plate side, and the holder or bolt tip is A frame plate holder for a foundation concrete formwork, wherein a support rod is attached and extended downward, and a cap is attached to a bolt base on a side fixed to one frame plate by screws. 2. A frame plate holder for a foundation concrete formwork according to claim 1, wherein said cap is screwed and attached to a screw provided on a bolt base, and said cap is provided with a screw fixed to said frame plate. 3. The frame plate holder for a foundation concrete formwork according to claim 1, wherein the cap is attached to the bolt base so as not to come off, and the bolt base is provided with a cutable notch groove. 4. The foundation according to claim 1, wherein the screw hole of the nut screwed into the screw passing through the hole of the frame plate is provided with a pilot hole large enough to receive the screw. Frame plate holder for concrete formwork.