JPH0676724B2 - Drain mounting method and drain - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION "Industrial field of use" The present invention relates to a drain attachment method and a drain attached to a lower part of a parapet on a roof of a building.

[Prior Art] Conventionally, when a drain is attached to a lower part of a parapet on a roof of a building, after forming the parapet, a through hole is formed in a portion to which the drain is attached by a work such as chipping.

Then, the drain body is passed through the through hole to fix the drain body to the parapet using anchor bolts or the like.

Thereafter, the drain body and the parapet, etc. are sealed by filling or the like, and after the waterproof sheet is installed on the inner wall surface and the floor surface of the parapet, the through hole communicating with the connecting pipe of the waterproof sheet is covered. The cover was installed on the drain body.

"Problems to be Solved by the Present Invention" In the conventional drain installation method, a through hole is formed in a parapet or the like for passing a connection pipe of the drain body, or a space between the through hole and the connection pipe is filled with a filler. However, there is a drawback in that it requires time and labor and that the installation cost is high.

In view of the above conventional drawbacks, the present invention has an object to provide a drain mounting method and a drain in which a drain main body is embedded so that the drain can be easily mounted when forming a body such as a parapet. There is.

[Means for Solving the Problems] In order to achieve the above-mentioned object, the present invention forms a drain mounting hole in a drain mounting portion of an inner concrete panel of inner / outer concrete panels forming a body for mounting a drain. And a drain main body is positioned such that the side wall is inserted into the drain mount hole and the tip of the connecting pipe formed on the side wall contacts the outer concrete panel. A drain main body mounting step of mounting the outer flange portion of the mounting bracket covering the drain mounting hole mounted on the main body with a plurality of screws or the like to the concrete panel inside the drain mounting hole with a plurality of screws or the like. After the drain main body installation process, the concrete forming process is performed by driving concrete into the inner and outer concrete panels to form the skeleton. And the inner and outer concrete panel removing step of removing the inner and outer concrete panels after removing a plurality of screws that attach the inner concrete panel and the mounting bracket after the body forming step, and After the outer concrete panel removal process, after installing the waterproof sheet with the hole that communicates with the connection pipe in the drain body on the inner wall surface of the body, the cover installation process that attaches the cover to the drain body so as to sandwich the waterproof sheet. Configures the drain installation method.

Further, the present invention provides an L-shaped fixing plate fixed to an inner lower portion of a side wall of a parapet or the like of a body, and a connecting pipe penetrating the side wall of the parapet or the like of the body formed on the side wall plate of the fixing plate. The drain body is composed of a drain body, a mounting metal fitting for removably mounting the drain body to an inner concrete panel forming a skeleton, and a cover removably mounted on the drain body.

[Operation] In the method of mounting the drain configured as described above, after fixing the mounting bracket having the drain main body mounted to the inner concrete panel with a plurality of screws or the like, concrete is driven to form the skeleton.

After the concrete has set, the inner concrete panel can be easily removed by removing the plurality of screws that fix the mounting bracket and the inner concrete panel.

"Examples of the Present Invention" Hereinafter, the present invention will be described in detail with reference to the examples shown in the drawings.

In the embodiment shown in FIG. 1 to FIG. 13, 1 is an inner / outer concrete panel 2 forming a frame for mounting a drain,
3 is a drain mounting hole forming step for forming a drain mounting 4 on the drain mounting portion of the concrete panel 2 on the inner side, as shown in FIGS. 2 and 3. Before installing the panel 2, the drain mounting hole 4 on the inner concrete panel 2
May be formed, or the drain mounting hole 4 may be formed after the inner concrete panel 2 is installed.

Reference numeral 5 denotes a drain body mounting step of mounting the drain body 6 in the drain mounting hole 4 of the inner concrete panel 2 as shown in FIG. 4 through the mounting bracket 7 as shown in FIG. 5, the side wall 6a of the drain main body 6 is detachably attached to the drain main body attaching portion 8 of the attachment metal fitting 7 with a plurality of screws 9 and the like, and the side wall 6a portion of the drain main body 6 is inserted into the drain attachment 4 to attach the attachment metal fixture. The outer flange portion 10 of 7 is detachably attached to the inner concrete panel 2 by a plurality of screws 9 or the like.

In this state, the tip of the connecting pipe 11 formed on the side wall 6a is set in contact with the inner wall surface of the outer concrete panel 3.

After step 5 of attaching the drain body, as shown in FIG. 12, the concrete is driven into the floor surface side as shown in FIG. 5, and the concrete is driven into the inner and outer concrete panels 2 and 3.
It is a skeleton forming step of forming a skeleton 15 such as the floor surface 13 and the parapet 14.

16 is an inner / outer concrete panel removing step for removing the inner / outer concrete panels 2 and 3 after the skeleton forming step 12, and this inner / outer concrete panel removing step
16 is a concrete panel 2 on the inner and outer sides as shown in FIG. 7 after removing a plurality of screws 9 and the like fixing the inner concrete panel 2 and the mounting bracket 7 as shown in FIG. Remove 3.

At this time, since the drain body 6 is embedded in the skeleton 15 and is not fixed to the inner and outer concrete panels 2 and 3, it is easy to remove the inner and outer concrete panels 2 and 3. You can

17 In the cover attaching step of attaching the cover 18 to the drain main body 6, the cover attaching step 17 is performed on the inner wall surface 14a of the parapet 14 which is the inner wall surface of the body 15 and the floor surface 13 as shown in FIG. Lay and secure.

At this time, the waterproof sheet 19 located on the drain body 6
A communication hole (20) communicating with the connection pipe (11) is formed in the.

After that, the cover 18 is positioned on the drain body 6 so that the hook bolt 22 supported by the hook support bar 21 screwed to the connection pipe 11 of the drain body 6 through the waterproof sheet 19 penetrates through the drain body 6 and the hook 18 is inserted. Screw the wing nut 23 into the bolt 22,
By fixing the cover 18 as shown in FIG. 9, the attachment of the drain 24 is completed.

The drain 24 is, as shown in FIGS. 10 to 12, a fixed plate 25 formed in an L shape, a connecting pipe 11 penetrating the parapet 14 formed on the side wall plate 6a of the fixed plate 25, A drain main body 6 including a screw portion 26 formed on the inner wall surface of the connecting pipe 11, and a waterproof sheet pressing fitting 28 having a bolt insertion hole 27 for pressing the waterproof sheet 19 installed on the fixing plate 25 of the drain main body 6. A cover 18 installed on the drain main body 6 in a state of covering the waterproof sheet pressing metal fitting 28, and a nut 29 and a wing nut 23 for fixing the cover 18 and the waterproof sheet pressing metal fitting 28 to the drain main body 6. It is composed of a hook bolt 22 to be fitted.

[Different Embodiments of the Present Invention] Next, different embodiments of the present invention shown in FIGS. 14 to 22 will be described. In the description of these examples,
The same components as those of the embodiment of the present invention are designated by the same reference numerals, and duplicate description will be omitted.

14 to 16 is different from the embodiment of the present invention in that the connecting pipe 11A has a hook support bar 21.
The drain mounting method may be performed in the same manner as described above using the drain 24A formed in this manner in that the drain 24A in which the insertion grooves 30, 30 for inserting is formed is used.

In the embodiment of FIGS. 17 to 19, the main difference from the embodiment of the present invention is that the fitting 7 is used so that the surface of the drain body 6 and the surface of the parapet 14 are flush with each other. This is because the drain main body mounting step 5A is performed, whereby the waterproof sheet 19 can be easily laid and fixed.

20 to 22 is different from the above-described embodiment of the present invention mainly in the cover mounting step 17A in which the cover 18A is mounted to the mounting metal fitting mounting portion 7 of the drain body 6 with a plurality of screws 9 or the like. In this respect, the drain attachment method may be performed in this manner.

"Effects of the Present Invention" As is clear from the above description, the following effects can be obtained in the present invention.

(1) Drain mounting hole forming step of forming drain mounting holes in the drain mounting portion of the inner concrete panel inside the inner and outer concrete panels forming the body for mounting the drain, and the side wall is inserted into this drain mounting hole At the same time, the drain body is positioned so that the tip of the connecting pipe formed on the side wall abuts on the outer concrete panel, and the drain mounting hole attached to the drain body with a plurality of screws or the like is covered. Drain body mounting process of mounting the outer flange part of the mounting bracket to the inner concrete panel around the drain mounting hole with a plurality of screws, etc., and driving concrete into the inner and outer concrete panels after this drain body mounting process. The frame forming process of forming the frame with, and the inner concrete panel and mounting after this frame forming process After removing the multiple screws that attach the tool and the like, connect the inside and outside concrete panel removing process to remove the inside and outside concrete panels and the drain body after this inside and outside concrete panel removing process After attaching the waterproof sheet with the hole that communicates with the pipe to the inner wall surface of the body, the cover is attached to the drain body so that the waterproof sheet is sandwiched.The drain body is fixed to the concrete panel inside. Therefore, it is possible to surely prevent the drain main body from moving at the time of pouring concrete and to bury it in a predetermined position.

(2) According to the above (1), since the drain body is fixed to the inner concrete panel by the mounting bracket, by removing the screws or the like that secure the mounting bracket to the inner concrete panel after driving the concrete, The concrete panel can be easily removed as in the conventional case.

(3) Due to the above (1) and (2), the drain main body can be easily embedded in the skeleton, and a gap or the like can be efficiently prevented from being formed between the drain main body and the skeleton.

(4) According to the above (1), the drain mounting hole is formed in the inner concrete panel, and the drain can be embedded in the body by simply mounting the drain main body to the portion through the mounting bracket. You can

[Brief description of drawings]

FIG. 1 is a process diagram showing an embodiment of the present invention, FIGS. 2 and 3 are explanatory diagrams of an inner concrete panel, FIG. 4 is an explanatory diagram of a drain body attaching process, and FIG. 5 is a skeleton forming process. Fig. 6 is an explanatory view of a state in which the screws of the mounting bracket are removed, Fig. 7 is an explanatory view of a state in which the inner and outer concrete panels are removed, and Fig. 8 is a state in which a waterproof sheet is laid. Fig. 9 and Fig. 9 are explanatory views with the cover attached,
10 to 12 are explanatory views of the drain, FIG. 13 is an explanatory view of the mounting bracket, FIG. 14 and FIG. 16 and FIGS. 17 to 19
FIGS. 20 and 22 are explanatory views showing different embodiments of the present invention. 1: Drain mounting hole forming process, 2: Inner concrete panel, 3: Outer concrete panel, 4: Drain mounting hole, 5: Drain body mounting process, 6: Drain body, 7: Mounting bracket, 8: Drain body mounting Part, 9: Screw, 10: Outer flange part, 11, 11A: Connecting pipe, 12: Body forming process, 13: Floor surface, 14: Parapet, 15: Body, 16: Inner / outer concrete panel removing process, 17 , 17A: Cover installation process, 18, 18A: Cover, 19: Waterproof sheet, 20: Communication hole, 21: Hook support bar, 22: Hook bolt, 23: Wing nut, 24, 24A: Drain, 25: Fixing plate, 26: screw part, 27: bolt insertion hole, 28: waterproof sheet retainer, 29: nut, 30: insertion hole.

Claims (4)

[Claims] 1. A drain mounting hole forming step of forming a drain mounting hole in a drain mounting portion of an inner concrete panel of inner and outer concrete panels forming a frame for mounting a drain, and a side wall in the drain mounting hole. And the drain main body is positioned such that the tip of the connecting pipe formed on the side wall abuts the outer concrete panel, and the drain mounting hole is attached to the drain main body with a plurality of screws or the like. The outer flange of the mounting bracket that covers the inner side of the drain mounting hole to the inner concrete panel around the drain mounting hole with multiple screws, etc., and the concrete inside and outside the concrete panel after the drain body mounting step. A frame forming process of driving to form a frame, and an inner concrete panel after the frame forming process After removing the multiple screws that attach the mounting bracket, remove the inner and outer concrete panels, and remove the inner and outer concrete panels. And a cover mounting step of mounting a cover on the drain body so as to sandwich the waterproof sheet, after mounting a waterproof sheet having a hole communicating with the connecting pipe on the inner wall surface of the body. 2. A drain mounting hole forming step of forming a drain mounting hole in a drain mounting portion of an inner concrete panel of inner and outer concrete panels forming a frame for mounting the drain, and a side wall in the drain mounting hole. And the drain main body is positioned such that the tip of the connecting pipe formed on the side wall abuts the outer concrete panel, and the drain mounting hole is attached to the drain main body with a plurality of screws or the like. The outer flange of the mounting bracket that covers the inner side of the drain mounting hole to the inner concrete panel around the drain mounting hole with multiple screws, etc., and the concrete inside and outside the concrete panel after the drain body mounting step. The frame forming process of driving to form the frame, and the concrete panel inside after the frame forming process. The inner and outer concrete panel removal process of removing the inner and outer concrete panels after removing multiple screws that attach the brackets, and the drain body is covered after the inner and outer concrete panel removal process. And a cover mounting step for mounting the drain. 3. An L-shaped fixing plate fixed to an inner lower portion of a side wall of a parapet or the like of a skeleton, and a connecting pipe penetrating the side wall of the parapet or the like of the skeleton formed on the side wall plate of the fixing plate. And a cover for detachably attaching the drain body to an inner concrete panel forming a skeleton, and a cover detachably attached to the drain body. 4. An L-shaped fixing plate fixed to an inner lower portion of a side wall of a parapet or the like of a skeleton, and an inner wall surface penetrating a side wall of the parapet or the like of the skeleton formed on a side wall plate of the fixing plate. A drain main body consisting of a connecting pipe having a threaded portion, a mounting bracket detachably attached to the inner concrete panel forming the body of the drain main body, and a bar-shaped screwed into the connecting pipe of the drain main body. A drain, comprising: a support fitting, a cover mounted on the drain main body, and a hook bolt for crimping and fixing the cover, one end of which is locked to the support fitting, to the drain main body.