JP2002339531A - Method and apparatus for fixing instrument to be embedded in concrete - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method for fixing an instrument to be embedded in concrete, which facilitates separation of the instrument embedded in the concrete, such as drain main body, a cover receiving frame, etc., of a roof drain, from the concrete when a building is demolished. SOLUTION: According to the method, a surface of the concrete p has an installation recess 22 formed therein, which is shaped almost the same as the instrument (1A) to be embedded in the concrete, and anchor members 10 each having a female screw hole 11 in which a fixing screw 6 can be screwed, are embedded in an internal bottom surface of the installation recess 22. Then, the fixing screw 6 inserted from the surface of the concrete into the instrument (1A) embedded in the concrete is screwed into the female screw hole 11 of each anchor member 10. As a result, the instrument (1A) installed in the installation recess 22 is detachably fixed to the concrete.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention makes it possible to easily separate concrete buried equipment such as a drain body and a lid receiving frame of a roof drain buried on concrete surface from concrete when dismantling a building. The present invention also relates to a method for fixing concrete buried equipment and a fixing device for concrete buried equipment as described above.

[0002]

2. Description of the Related Art FIG. 18 shows a construction state of a driving type roof drain a as an example of a conventional concrete buried type equipment. The driving roof drain a has a plurality of anchors e bent in a substantially L shape on the back surface of the drain body c of the drain body b composed of the drain tray c and the drain pipe d. When the installation type roof drain a is constructed, concrete is poured around the drain tray c while the drain tray c is temporarily fixed on a concrete formwork by a temporary fixing device (not shown). As a result, the anchor e is embedded in the hardened concrete p, and the drain body b is fixed to the concrete p through the fixing action of the anchor e.

[0003]

By the way, when removing or rebuilding or renovating a building in which a conventional concrete buried type equipment such as a driving type roof drain a is installed, the building is dismantled. As described above, since the drain body b is firmly fixed to the concrete p by the substantially L-shaped anchor e, the drain body b cannot be easily separated from the concrete p, and the waste cannot be separated. There was a problem. That is, there was a problem that it was not possible to cope with the recycling of waste, which was mentioned as an issue in the building demolition waste recycling program under the Construction Recycling Law.

[0004] An object of the present invention is to solve such a problem.

[0005]

SUMMARY OF THE INVENTION The present invention relates to a concrete buried type equipment buried on the surface of concrete and fixed to the concrete by an anchor provided on the lower surface. A charging recess having substantially the same shape is formed, and an anchor member having a female screw hole into which a fixing screw can be screwed is embedded in the inner bottom surface of the charging recess. Screwing a fixing screw inserted through the female screw hole of the anchor member, thereby detachably fixing the concrete buried equipment installed in the charging recess. This is the method of fixing the mold equipment.

[0006] Here, the charging recess can be formed by using a punching die having substantially the same shape as the concrete buried type equipment when casting concrete, and an anchor member is provided on the back surface of the punching die. The anchor member can be embedded in the hardened concrete by pouring the concrete in a state where is screwed.

[0007] In such a configuration, the concrete buried type equipment is fixed in the concrete charging recess by fixing screws screwed into the female screw holes of the anchor member, so that when the building is dismantled, If the fixing screw is removed, the concrete buried equipment can be easily separated from the concrete.

In the case where the concrete buried equipment is a drain body of a vertically draining roof drain having a drain pan and a drain pipe portion connected downward from the drain pan, The drain main body can be detachably fixed by screwing a fixing screw inserted into the drain tray of the main body from the front side into a female screw hole of the anchor member.

[0009] Furthermore, concrete buried type equipment and materials,
A drain for a horizontal drainage roof drain having a drain pan formed by a horizontal edge and a vertical edge to have a substantially L-shaped cross section, and a drain pipe portion connected rearward from the vertical edge of the drain pan. Even in the case of the main body, the drain main body can be detachably fixed by screwing a fixing screw inserted into the drain tray of the drain main body from the front side into a female screw hole of the anchor member.

The present invention also relates to a concrete buried type equipment buried in a concrete surface and fixed to the concrete by an anchor provided on a lower surface, wherein a fixing screw inserted through the concrete buried type equipment from the surface side. A female screw hole capable of screwing the fixing screw, and an anchor member to be embedded in concrete, by screwing the fixing screw into the female screw hole of the anchor member, A fixing device for a concrete buried type equipment, wherein an anchor member is held on a back surface of the concrete buried type equipment.

[0011] In this configuration, the concrete buried equipment having the anchor member held on the back surface is temporarily fixed on a concrete form, and concrete is poured around the concrete buried equipment. The concrete buried equipment is removably fixed by the anchor member embedded in the hardened concrete. Then, at the time of dismantling the building, the concrete embedded equipment can be easily detached from the concrete by removing the fixing screw screwed to the anchor member.

In the above structure, when the concrete buried type equipment is a drain body of a vertically draining roof drain having a drain pan and a drain pipe portion connected downward from the drain pan, The anchor member can be held on the back surface of the drain pan by screwing a fixing screw inserted into the drain pan of the drain body from the front side into the female screw hole of the anchor member.

[0013] Also, a concrete buried type equipment has a drain pan formed in a substantially L-shaped cross-section by a horizontal edge and a vertical edge, and a drain pipe portion coupled rearward from the vertical edge of the drain pan. Even in the case of the drain body of the horizontal drainage roof drain provided with, by screwing a fixed screw inserted from the front side into the drain tray of the drain body, into a female screw hole of the anchor member, The anchor member can be held on the back surface of the drain pan.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments of the present invention will be described with reference to the accompanying drawings. FIGS. 1 to 3 show a first embodiment of a method of fixing concrete buried type equipment according to the present invention. In this embodiment, as a concrete buried type equipment, a drain body 1A of a roof drain for vertical drawing drainage is provided. On the other hand, the case where the fixing method according to the present invention is applied is shown.

As shown in FIG. 3, a drain body 1A of a roof drain for vertical drainage is coupled downward so as to surround a drain pan 2 and a drain hole 3 opened at the center of the drain pan 2. With the drainage pipe part 4
A plurality of through-holes 5 through which fixing screws 6 can be inserted from the front side are formed in the drain tray 2 of the drain main body 1A along the circumferential direction.

In order to embed and fix the drain body 1A on the surface of the concrete p, first, as shown in FIG. 1, a punching die body 7A formed in substantially the same shape as the drain body 1A is stamped with concrete. Prior to installation, the concrete formwork 9 temporarily fixes the concrete formwork 9.

Here, a plurality of through holes 5 formed in the drain tray 2 of the drain main body 1A are formed on the back surface of the punching die body 7A.
(See FIG. 3) Anchor members 1 having female screw holes 11 into which fixing screws 6 shown in FIG.
0 is previously held by the screw 12.

On the other hand, on the upper surface of the concrete form 9, a circular positioning plate 13 constituting the temporary fixing device 8 is fixed by a nail 14 or the like. The punching die body 7A is placed on the upper side. Further, at the center of the positioning plate 13, a female screw portion 16 having a nut fixed thereto is provided.
The screw rod 17 is provided upright by screwing the lower end of the screw rod. A pressure plate 18 also serving as a curing lid is mounted on the upper surface of the outer peripheral edge of the die 7A so as to cover the die 7A. Then, the screw rod 17 is inserted from below into the insertion holes 19 and 20 formed in the punching die body 7A and the pressure plate 18, respectively.
A nut 21 is screwed onto the upper end of the mold, and the die 7A is temporarily fixed to the concrete form 9 by the tightening action. Then, these positioning plate 13, screw rod 17, pressure plate 18, nut 21, and cylindrical spacer 15
Thus, the temporary fixing device 8 is configured.

As described above, concrete is poured into the concrete formwork 9 with the punching die 7A temporarily fixed by the temporary fixing device 8. When the concrete is hardened, the nut 21 is loosened to remove the pressure plate 18, and then the concrete form 9 is removed, so that the positioning plate 13 and the screw rod 17 are also removed at the same time. Next, as shown in FIG. 2, the screw 12 holding the anchor member 10 on the back surface of the die 7A is removed, and the die 7A is removed.
Here, by applying a release agent in advance to the outer surface of the die 7A, the die 7A can be easily removed, and only the anchor member 10 joined to the concrete is hardened in the concrete p. Can remain. As a result, a charging recess 22 having substantially the same shape as the drain pan 2 is formed on the surface of the hardened concrete p.
Is to be embedded.

Then, as shown in FIG.
The drain pan 2 of the drain body 1A is inserted into the inside, and a fixing screw 6 inserted through the through hole 5 of the drain pan 2 from the front side.
Are screwed into the female screw holes 11 of the anchor member 10, respectively, so that the drain main body 1A is detachably fixed.

With the drain body 1A fixed as described above, the surrounding concrete p except for the drain body 1A is removed.
The sheet waterproof layer 23 is laid on the
12, the upper surface of the drain pan 2 and the waterproof layer presser 33 as shown in FIG.
The strainer 34 is attached to the
By connecting the gutter pipe 35 to the drainage pipe section 4 of A, the installation of the drain main body 1A is completed. Thereafter, the drain main body 1A is used for drainage of rainwater or the like.

In such a configuration, the drain tray 2 of the drain body 1A is detachably fixed in the loading recess 22 of the concrete p by the fixing screw 6 screwed into the female screw hole 11 of the anchor member 10. Thus, when the building is dismantled, if the fixing screw 6 is removed, the drain body 1A can be easily separated from the concrete p.

FIGS. 4 to 6 show a second embodiment of the method for fixing the concrete buried equipment according to the present invention. In this embodiment, the concrete buried type equipment is used as the drain of the roof drain for horizontal drainage. The fixing method according to the present invention is applied to the main body 1B.

As shown in FIG. 6, the drain body 1B of the roof drain for horizontal drainage has a drain pan 2 having a substantially L-shaped cross section formed by a horizontal edge 2a and a vertical edge 2b.
And a drain pipe portion 4 coupled to the vertical edge 2b of the drain pan 2 rearward. A fixing screw is attached to the horizontal edge 2a and the vertical edge 2b of the drain pan 2 from the front side. A plurality of through-holes 5 through which the holes 6 can be inserted are respectively formed.

In order to bury the drain body 1B in the surface of the concrete p and fix it, first, as shown in FIG. 4, a punching die body 7B formed in substantially the same shape as the drain body 1B is put into concrete. Prior to installation, the concrete formwork 9 temporarily fixes the concrete formwork 9.

Here, the punching die body 7B is provided with the drain main body 1.
B, the horizontal edge 24a and the vertical edge 24
b, a drain pan corresponding part 24 formed in a substantially L-shaped cross section and a drain pipe corresponding part 25 connected rearward from the vertical edge 24b, and the horizontal edge 24a and the vertical edge 24b are provided. On the back surface, a horizontal edge 2a of the drain pan 2
An anchor member 10 having a female screw hole 11 into which a fixing screw 6 shown in the figure can be screwed is provided at a position corresponding to each of the plurality of through holes 5 (see FIG. 6) formed on the vertical edge 2b. It is held by the screw 12 in advance.

On the other hand, a circular positioning plate 13 constituting the temporary fixing device 8 is fixed to the front surface of the concrete formwork 9 arranged vertically by a nail 14 or the like. The rear end of the drainage pipe corresponding portion 25 of the blanking die body 7B is internally fitted to the distal end of the cylindrical spacer 15 which is disposed in a substantially horizontal state by externally fitting. A screw rod 17 having a proximal end screwed to a female screw portion 16 provided at the center of the positioning plate 13 is projected substantially horizontally toward the front. Then, the insertion hole 19 formed in the side wall 26 of the punching die body 7B is formed.
The nut 21 is screwed to the tip of the screw rod 17 projecting from the front surface of the side wall 26, and the punching die 7B is pulled into the concrete form 9 by the tightening action.
To be temporarily fixed. Further, a curing sheet 27 covering the drain pan corresponding portion 24 is attached to the outer peripheral edge of the drain pan corresponding portion 24 of the punching die body 7B. Then, these positioning plate 13, screw rod 17, nut 21
The temporary fixing device 8 includes the cylindrical spacer 15 and the like.

A concrete formwork 9 'paired with the concrete formwork 9 is disposed around the vertical edge 24b of the die 7B, and a horizontal edge 24a of the die 7B. A concrete form (not shown) is also provided horizontally below, and the upper part of the concrete form and the space between the concrete forms 9, 9 'are filled with concrete.

As described above, concrete is poured into the filling space around the blank 7B while the blank 7B is temporarily fixed by the temporary fixing device 8. Then, when the concrete hardens, the curing sheet 27 is removed, the nut 21 is loosened and removed, and when the concrete form 9 is removed, the positioning plate 13 and the screw rod 17 are also removed at the same time. Next, as shown in FIG. 5, the screw 12 holding the anchor member 10 on the back surface of the die 7B is removed, and the die 7B is removed. Here, as described above, by applying a release agent to the outer surface of the die 7B in advance, the die 7B can be easily removed, and only the anchor member 10 bonded to the concrete is hardened. It can be left in the concrete p. Thereby, the charging recess 22 having substantially the same shape as the drain pan 2 is formed on the surface of the hardened concrete p, and the anchor member 10 is embedded in the inner bottom surface of the charging recess 22 at the same time as the formation. I have.

Then, as shown in FIG.
The drain screw 2 of the drain main body 1B is inserted into the inside, and a fixing screw 6 inserted through the through hole 5 of the drain tray 2 from the front side.
Are screwed into the female screw holes 11 of the anchor member 10, respectively, so that the drain main body 1B is detachably fixed.

Thereafter, a sheet waterproof layer 23 is laid on the surrounding concrete p excluding the drain body 1B, and the edge of the sheet waterproof layer 23 is brought into contact with the upper surface of the drain pan 2 as shown in FIG. While being held between the waterproof layer presser 33 and the strainer 34, the strainer 34 is attached to the waterproof layer presser 33.
Further, a gutter pipe 35 is connected to the drain pipe section 4 of the drain main body 1B. Thus, the installation of the drain main body 1B is completed, and the drain main body 1B is used for drainage such as rainwater.

In this configuration, the drain pan 2 of the drain body 1B is detachably fixed in the concrete recess 22 by the fixing screw 6 screwed into the female screw hole 11 of the anchor member 10. Therefore, when the building is dismantled, if the fixing screw 6 is removed, the drain body 1B can be easily separated from the concrete p.

FIGS. 7 to 9 show a third embodiment of the method for fixing concrete buried type equipment according to the present invention. In this embodiment, the concrete buried type equipment is used as a cover receiving frame 1C of a manhole iron cover. 1 shows a case in which the fixing method according to the present invention is applied to the present invention.

This lid receiving frame 1C is, as shown in FIG.
A substantially U-shaped receiving edge portion 30 on which the outer peripheral edge 29 of the manhole cover 28 can be mounted is provided on the inner edge, and a horizontal edge portion 31 projecting outward is connected to the upper portion of the receiving edge portion 30. Yes,
A plurality of through-holes 5 through which the fixing screw 6 can be inserted from the front side are formed in the horizontal edge 31 along the circumferential direction.

In order to embed and fix the lid receiving frame 1C on the surface of the concrete p, first, as shown in FIG. 7, a punching die body 7C formed in substantially the same shape as the lid receiving frame 1C is used.
Before the concrete is poured, it is temporarily fixed to the concrete formwork 9 by the temporary fixing device 8.

Here, a plurality of through-holes 5 (FIG. 9) formed in the horizontal edge 31 of the lid receiving frame 1C are formed on the back surface of the die 7C.
(See FIG. 2), an anchor member 10 having a female screw hole 11 into which the fixing screw 6 shown in FIG. In addition, the punching die body 7C
Is temporarily fixed to the concrete form 9 with a configuration substantially the same as the above-described temporary fixing device 8 including the positioning plate 13, the screw rod 17, the nut 21, the cylindrical spacer 15, and the like. .

Concrete is poured into the concrete formwork 9 in a state where the punching die 7C is temporarily fixed by the temporary fixing device 8 as described above. When the concrete has hardened, the nut 21 is loosened to release the positioning plate 13 and the screw rod 1.
After removing the concrete formwork 9 together with 7, the cylindrical spacer 15 is removed. Next, as shown in FIG. 8, the screw 12 holding the anchor member 10 is removed from the back surface of the die 7C, and the die 7C is removed. Here, by applying a release agent to the outer surface of the die 7C in advance, the die 7C can be easily removed, and only the anchor member 10 joined to the concrete is placed in the hardened concrete. Can be left. Thereby, the lid receiving frame 1 is placed on the surface of the hardened concrete p.
A charging recess 22 having substantially the same shape as that of C is formed, and at the same time as the formation, the anchor member 10 is embedded in the inner bottom surface of the charging recess 22.

Then, as shown in FIG.
The fixing screw 6 inserted into the through hole 5 of the lid receiving frame 1C from the front side is screwed into the female screw hole 11 of the anchor member 10, respectively. 1
C is detachably fixed. By attaching the manhole iron cover 28 to the cover receiving frame 1C, the opening of the manhole is shielded.

In this configuration, the lid receiving frame 1C is detachably fixed in the loading recess 22 of the concrete p by the fixing screw 6 screwed into the female screw hole 11 of the anchor member 10. When the building such as the road surface is dismantled, if the fixing screw 6 is removed, the lid receiving frame 1C can be easily separated from the concrete p.

In this embodiment, the concrete buried equipment is described as the cover receiving frame of the manhole iron cover. However, the method of fixing the concrete buried equipment according to the present invention is performed by a lid such as a floor hatch or a grating lid. It is also applicable to receiving frames.

FIGS. 10 to 13 show a first embodiment of a fixing device for equipment of a concrete buried type according to the present invention.
This embodiment shows a case in which the fixing device 32 according to the present invention is applied to a drain body 1A of a roof drain for vertical drainage as equipment buried in concrete.

As shown in FIG. 10, the drain body 1A of the vertically drained roof drain is coupled downward so as to surround the drain pan 2 and a drain hole 3 opened at the center of the drain pan 2. And a drain pipe section 4 provided. A plurality of through-holes 5 are formed in the drain tray 2 of the drain main body 1A along the circumferential direction, and a fixing screw 6 can be inserted into the through-hole 5 from the front side. A plurality of anchor members 10 to be embedded in the concrete are provided on the back surface of the drain pan 2. Each anchor member 10 is provided with a female screw hole 11 into which the fixing screw 6 can be screwed. The fixing screw 6 inserted through the female screw hole 11 through the through hole 5 of the drain pan 2 from the front side.
Are screwed to hold each anchor member 10 on the back surface of the drain pan 2. The fixing device 3 is fixed by the fixing screw 6 and the anchor member 10.
2 are configured.

Next, a method of installing the drain body 1A of the roof drain for vertical drainage provided with the fixing device 32 will be described. As shown in FIG. 10, the drain main body 1A is temporarily fixed to a concrete form 9 by a temporary fixing device 8 before concrete is poured. Here, the temporary fixing device 8 includes a positioning plate 13, a screw rod 17, a pressure plate 18,
The one having substantially the same configuration as the above-described temporary fixing device 8 including the nut 21 and the cylindrical spacer 15 is used.

With the drain main body 1A temporarily fixed by the temporary fixing device 8 as described above, concrete is poured into the concrete formwork 9 as shown in FIG.
Then, when the concrete is hardened, as shown in FIG.
The concrete form 9 is removed together with the positioning plate 13 and the screw rod 17. Here, by applying a release agent on the outer surface of the drain pan 2 in advance, it is possible to prevent the drain pan 2 from being bonded to the hardened concrete p, and only the anchor member 10 is hardened concrete p. Will be joined. As a result, the drain body 1A is embedded in the surface of the concrete p, and the drain body 1A can be detachably fixed by the anchor member 10 embedded in the concrete p.

With the drain body 1A fixed in this way, as shown in FIG. 12, a sheet waterproof layer 23 is laid on the surrounding concrete p except for the drain body 1A, and the edge of the sheet waterproof layer 23 is formed. Part is sandwiched between the upper surface of the drain pan 2 and the waterproof layer presser 33, and the waterproof layer presser 3
By attaching the strainer 34 to the drain body 3 and connecting the gutter pipe 35 to the drain pipe part 4 of the drain body 1A, the installation work of the drain body 1A is completed. Will be used for drainage.

In such a configuration, the drain body 1A
13A is shown in FIG. 13A when the building is dismantled because the drain pan 2 is detachably fixed in the concrete p by the fixing screw 6 screwed into the female screw hole 11 of the anchor member 10. Like, strainer 3
4. Waterproof layer presser 33, sheet waterproof layer 23 and gutter tube 35
If the fixing screw 6 is removed in a state where the drain screw 1 (see FIG. 12) is removed, the drain body 1A can be easily separated from the concrete p as shown in FIG.

FIGS. 14 to 17 show a second embodiment of the fixing device of the concrete buried type equipment according to the present invention.
In this embodiment, as concrete buried type equipment,
The fixing device 32 according to the present invention is applied to the drain body 1B of the roof drain for horizontal drainage.

As shown in FIG. 14, the drain body 1B of the roof drain for vertical drainage has a drain pan 2 formed with a horizontal edge 2a and a vertical edge 2b so as to have a substantially L-shaped cross section.
And a drain pipe portion 4 connected rearward from a vertical edge portion 2b of the drain pan 2. A plurality of through holes 5 through which fixing screws 6 can be inserted from the front side are formed in the horizontal edge portion 2a and the vertical edge portion 2b of the drain tray 2, respectively. A plurality of anchor members 10 to be embedded in the concrete are provided on the back surface of the drain pan 2. Each anchor member 10 is provided with a female screw hole 11 into which the fixing screw 6 can be screwed. The fixing screw 6 inserted through the female screw hole 11 through the through hole 5 of the drain pan 2 from the front side.
Are screwed to hold each anchor member 10 on the back surface of the drain pan 2. The fixing device 3 is fixed by the fixing screw 6 and the anchor member 10.
2 are configured.

In order to construct the drain body 1B of the roof drain for vertical drainage provided with the fixing device 32, as shown in FIG. 14, the drain body 1B is fixed by the temporary fixing device 8 before concrete is poured. Concrete formwork 9
Temporarily. Here, the temporary fixing device 8 has substantially the same configuration as the above-described temporary fixing device 8 including the positioning plate 13, the screw rod 17, the pressure plate 18, the nut 21, the cylindrical spacer 15, and the like.

A concrete formwork 9 'paired with the concrete formwork 9 is disposed around the vertical edge 2b of the drain pan 2, and is provided below the horizontal edge 2a of the drain pan 2. Also, a concrete form (not shown) is disposed horizontally, and an upper portion of the concrete form and a space between the concrete forms 9 and 9 'are filled with concrete. Also, on the outer peripheral edge of the drain pan 2,
A curing sheet 27 covering the drain pan 2 is attached.

With the drain main body 1B temporarily fixed by the temporary fixing device 8 as described above, concrete is poured into the filling gap around the drain main body 1B as shown in FIG. When the concrete hardens, as shown in FIG. 15B, the curing sheet 27 is removed, the nut 21 is loosened to remove the pressure plate 18, and then the concrete form 9 together with the positioning plate 13 and the screw rod 17 is removed.
Remove. Here, by applying a release agent on the outer surface of the drain pan 2 in advance, it is possible to prevent the drain pan 2 from being joined to the hardened concrete p, and only the anchor member 10 is hardened concrete p.
Will be joined. As a result, the drain body 1B is embedded in the surface of the concrete p, and the drain body 1B can be detachably fixed by the anchor member 10 embedded in the concrete p.

With the drain body 1B fixed in this way, as shown in FIG. 16, a sheet waterproof layer 23 is laid on the surrounding concrete p except for the drain body 1B, and the edge of the sheet waterproof layer 23 is formed. Part is sandwiched between the upper surface of the drain pan 2 and the waterproof layer presser 33, and the waterproof layer presser 3
By attaching the strainer 34 to the drain body 3 and connecting the gutter pipe 35 to the drain pipe part 4 of the drain body 1B, the installation of the drain body 1B is completed. Will be used for drainage.

In such a configuration, the drain body 1B
FIG. 17 (a) shows that the drain pan 2 is detachably fixed in the concrete p by the fixing screw 6 screwed into the female screw hole 11 of the anchor member 10, so that the building is dismantled. Like, strainer 3
4. Waterproof layer presser 33, sheet waterproof layer 23 and gutter tube 35
If the fixing screw 6 is removed in a state in which the drain body 1B is removed (see FIG. 16), the drain body 1B can be easily separated from the concrete p as shown in FIG.

In both of the above embodiments, the concrete buried type equipment is replaced with the drain bodies 1A and 1B of the roof drain.
As described above, the fixing device of the concrete buried type equipment according to the present invention can be applied to a concrete driving type lid receiving frame such as a manhole iron lid, a floor hatch, and a grating lid.

[0055]

As described above, according to the method for fixing concrete embedded equipment according to the present invention, the concrete embedded equipment is connected to the female screw hole 11 of the anchor member 10.
When the building is dismantled, if the fixing screw 6 is removed, the concrete buried equipment can be removed from the concrete by being fixed in the loading recess 22 of the concrete p by the fixing screw 6 screwed into the concrete. p can be easily separated. As a result, it is possible to easily separate the demolition waste, and it is possible to recycle the separated concrete buried equipment.

Further, according to the fixing device 32 of the concrete buried equipment of the present invention, the concrete buried equipment having the anchor member 10 on the back surface is temporarily fixed to the concrete form 9 and the concrete buried is installed. By casting concrete around mold equipment
Anchor member 1 embedded in hardened concrete p
0 allows the concrete buried equipment to be removably fixed. Thereby, when the building is dismantled, if the fixing screw 6 screwed to the anchor member 10 is removed, the concrete buried equipment can be easily detached from the concrete p.
Even in this case, it is possible to easily separate the demolition waste from the building, and there is an excellent effect that the separated concrete buried equipment can be recycled.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a state before concrete is poured in a construction process in a first embodiment of a method for fixing equipment of a concrete buried type equipment according to the present invention.

FIG. 2 is a longitudinal sectional view showing a state after concrete placement in the above construction step.

FIG. 3 is a vertical sectional view showing a state in which the concrete buried equipment of the above construction process is fixed.

FIG. 4 is a longitudinal sectional view showing a state before the concrete is poured in the construction process in the second embodiment of the method for fixing the equipment of the concrete buried type according to the present invention.

FIG. 5 is a longitudinal sectional view showing a state after concrete placement in the above construction step.

FIG. 6 is a longitudinal sectional view showing a state in which the concrete buried equipment in the construction step is fixed.

FIG. 7 is a longitudinal sectional view showing a state before the concrete is poured in the construction process in the third embodiment of the method for fixing the equipment of the concrete buried type according to the present invention.

FIG. 8 is a longitudinal sectional view showing a state after concrete placement in the above construction step.

FIG. 9 is a longitudinal sectional view showing a state in which the concrete buried equipment in the construction process is fixed.

FIG. 10 is a longitudinal sectional view showing a state before the concrete is poured in the construction process of the first embodiment of the fixing device of the concrete buried type equipment according to the present invention.

FIG. 11 is a vertical cross-sectional view showing a construction process after concrete casting according to the first embodiment.

FIG. 12 is a longitudinal sectional view showing a completed state of the first embodiment of the above.

FIG. 13 is a longitudinal sectional view showing a procedure of detaching concrete embedded equipment from the concrete according to the first embodiment.

FIG. 14 is a longitudinal sectional view showing a state before the concrete is poured in the construction process of the second embodiment of the fixing device of the concrete buried type equipment according to the present invention.

FIG. 15 is a longitudinal sectional view showing a construction process after concrete is poured in the second embodiment.

FIG. 16 is a longitudinal sectional view showing a completed construction state of the second embodiment of the above.

FIG. 17 is a vertical cross-sectional view showing a procedure for detaching concrete embedded equipment from the concrete according to the second embodiment.

FIG. 18 is a longitudinal sectional view showing a construction state of a conventional configuration.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1A, 1B Drain main body (concrete buried type equipment) 1C Lid receiving frame (concrete buried type equipment) 2 Drain pan 2a Horizontal edge 2b Vertical edge 4 Drainage pipe part 6 Fixing screw 7A, 7B, 7C Die body 10 Anchor member 11 Female screw hole 22 Charging recess 32 Fixing device p Concrete

Claims (7)

[Claims] 1. A concrete buried type equipment buried in a surface of concrete and fixed to the concrete by an anchor provided on a lower surface, wherein a charging recess having substantially the same shape as the concrete buried type equipment on a surface of the concrete. And an anchor member provided with a female screw hole into which a fixing screw can be screwed is embedded in the inner bottom surface of the loading recess, and the fixing screw inserted into the concrete buried type equipment from the front side is attached to the anchor. A method for fixing concrete buried equipment, wherein the concrete buried equipment installed in the loading recess is detachably fixed by screwing into a female screw hole of the member. 2. The method for fixing concrete buried equipment according to claim 1, wherein the charging recess is formed by using a blank having substantially the same shape as the concrete buried equipment. 3. A drain body of a vertically draining roof drain having a drain basin and a drain pipe portion connected downward from the drain basin, wherein the equipment buried in concrete is a drain body of the drain body. 3. The fixing method of the concrete buried equipment according to claim 1, wherein a fixing screw inserted from a surface side of the fixing member is screwed into a female screw hole of the anchor member. 4. A drain pan formed of a concrete buried type equipment having a substantially L-shaped cross section by a horizontal edge and a vertical edge, and a drain pipe portion connected rearward from the vertical edge of the drain pan. A drain body of the roof drain for horizontal drainage having a drain screw, wherein a fixing screw inserted into the drain tray of the drain body from the front side is screwed into a female screw hole of the anchor member. The method for fixing concrete buried equipment according to claim 1 or 2. 5. A concrete buried type equipment buried in a surface of concrete and fixed to the concrete by an anchor provided on a lower surface, wherein a fixing screw inserted through the concrete buried type equipment from a surface side, and the fixing screw A female screw hole capable of screwing
An anchor member to be embedded in the concrete, wherein the fixing member is screwed into a female screw hole of the anchor member, whereby the anchor member is held on the back surface of the concrete buried equipment. Fixing equipment for concrete buried equipment. 6. A drain body of a vertically draining roof drain having a drain basin and a drain pipe portion connected downward from the drain basin, wherein the concrete buried equipment is a drain body of the drain body. The anchor member is held on the back surface of the drain pan by screwing a fixing screw inserted from the front surface side into a female screw hole of the anchor member. Fixing device. 7. A drain pan formed of a concrete buried type equipment having a substantially L-shaped cross-section by a horizontal edge and a vertical edge, and a drain pipe portion connected rearward from the vertical edge of the drain pan. The drain body of the drainage roof drain having horizontal drainage, comprising: a fixing screw inserted into the drain pan of the drain body from the front side, and screwed into a female screw hole of the anchor member to thereby connect the drain member to the drain pan. 6. The fixing device for concrete buried type equipment according to claim 5, wherein the device is held on a back surface of the concrete buried type equipment.