JPH0640747Y2 - Drain - Google Patents

Description

[Detailed Description of the Invention] "Industrial Application Field" The present invention relates to a drain installed on a rooftop of a building such as a building so as to be connected to a drainage pipe.

"Prior Art" Conventionally, a drain installed in a roof of a building or the like has a drain main body connected to a drain pipe buried in the roof of a building or the like, and a plurality of tapes are formed on a tapered upper wall of the drain main body. After the screw rod is projected and a waterproof sheet having an opening formed in the upper portion of the upper wall is positioned, a ring-shaped pressing plate having a screw rod insertion hole for pressing the waterproof sheet against the upper wall of the drain body is provided. After the setting, the nut is screwed onto the threaded rod and tightened to prevent water leakage from the opening of the waterproof sheet.

However, the drain configured in this way is
During waterproof repair work around the year, it may not be easily removed due to rust on the screw rod and nut, which may damage it.
I had to replace the whole thing.

Therefore, the work is difficult and the repair cost is high.

"Purpose of the present invention" In view of the above-mentioned conventional drawbacks, the present invention can be easily removed even if the bolts and nuts become rusted, and the waterproof repair work can be facilitated. To obtain a drain capable of reducing the above.

"Means for Achieving the Purpose of the Present Invention" The present invention is directed to a drain main body having a female threaded portion formed on the lower portion thereof to be screwed with an upper male threaded portion of a drain pipe, and the drain to be screwed to the female threaded portion of the drain body. A bolt support fitting that does not block the opening of the main body, a pressing plate that has an opening in the center that presses the waterproof sheet located above the drain main body except for the opening, and a unit or a separate body of this pressing plate. And a holding metal fitting having a bolt insertion hole formed in the substantially central part of the same, and a head is detachably attached to the bolt supporting metal fitting, and the screw portion penetrates the bolt insertion hole of the holding metal fitting and is screwed with the nut. It is characterized by consisting of matching bolts.

Further, the present invention provides a drain body having a female threaded portion formed on a lower portion thereof that is screwed with an upper male threaded portion of a drain pipe, and a bolt having a shape that does not block an opening of the drain body that is screwed with the female threaded portion of the drain body. Support metal fittings, a pressing plate having an opening in the center for pressing the waterproof sheet located above the drain body except the opening, and a bolt inserted in the central part formed integrally with or separately from the pressing plate. It is characterized in that it is composed of a holding metal fitting having a hole formed therein and a bolt penetrating through a bolt insertion hole of the holding metal fitting and detachably screwed into a thread portion of the bolt supporting metal fitting.

"Embodiment of the Invention" Hereinafter, the invention will be described in detail with reference to an embodiment shown in the drawings.

In the embodiment shown in FIGS. 1 to 8, 1 is a drain of the present invention installed on a rooftop 2a of a building 2 or the like.
Is a drain main body 6 embedded in the roof top 2a, having a female screw portion 5 formed at the lower end portion to be screwed with a drainage pipe 4 having a male screw portion 3 formed on the upper portion, and a female screw portion 5 of the drain main body 6. A bolt support fitting 8 having a shape that does not close the opening 7 of the drain main body 6 to be screwed, and an opening 10 at the center for pressing the waterproof sheet 9 located above the drain main body 6 excluding the opening 7 are provided. From the pressing plate 11, the holding metal fitting 12 located on the pressing pressure plate 11, the hook bolt 13 for tightening the holding metal fitting 12 and the bolt supporting metal fitting 8, the nut 14, and the strainer 15 attached to the pressing pressure plate 11. It is configured.

The drain body 6 has a cylindrical portion 16 formed in a cylindrical shape as shown in FIGS. 2 and 3, and a female screw portion 5 formed on an inner wall surface at a lower position from approximately half of the cylindrical portion 16, A recess 17 formed on the outer wall surface of the cylindrical portion 16 near the upper portion,
It is composed of an upper end portion of the cylindrical portion 16 and an upper wall 18 which is integrally formed and expands in a tapered shape.

As shown in FIG. 4, the bolt support metal fitting 8 has threaded portions 19 and 19 which are screwed into the female threaded portion 5 of the drain body 6 at both ends.
A plate-shaped bolt support metal body 20 having a hole formed therein, and a bolt locking hole formed substantially in the center of the bolt support metal body 20.
It is composed of 21 and.

As shown in FIGS. 5 and 6, the pressing plate 11 is a disk-shaped pressing plate body 22 formed in a shape that abuts the upper wall 18 of the drain body 6, and a central portion of the pressing plate body 22. It is composed of a flange portion 23 formed at the open end of the strainer, and a plurality of strainer engaging portions 24 formed on the upper portion of the pressing pressure plate body 22 near the outer peripheral portion.

As shown in FIG. 7 and FIG. 8, the holding metal fitting 12 has an arch-shaped holding metal body 25 whose both ends are located over the opening above the corresponding portion of the pressing plate 11, and the holding metal fitting 25. Bolt insertion hole 26 formed almost in the center of the body 25
It consists of and.

"Operation of the embodiment of the present invention" In the drain 1 having the above-described configuration, when the roof 2a of the building 2 is formed, the drain main body 6 in which the bolt support fitting 8 is screwed and fixed to the female screw portion 5 is screwed to the drain pipe 4. It is embedded in the rooftop 2a in a combined state.

After that, the waterproof sheet 9 is laid on the roof top 2a. At this time, the waterproof sheet 9 is located on the upper wall 18 of the drain main body 6 and is attached to the waterproof sheet 9 so as to communicate with the opening 7 of the drain main body 6. The opening 10 is formed.

Next, the pressing plate 11 is placed so as to cover the waterproof sheet 9 in the portion located on the upper wall 18 of the drain body 6, and the hook bolt
The hook portion 13a of 13 is provided with a bolt engaging hole 21 of the bolt support fitting 8
Then, the tip of the hook bolt 13 is passed through the bolt insertion hole 26 of the holding metal fitting 12, screwed with the nut 14, and tightened, so that the holding metal fitting 12 pushes the pressing plate 11 to the drain main body 6.
The waterproof sheet 9 can be waterproofly pressure-bonded and fixed by being pressed against the upper wall 18 of the.

After that, the strainer 15 is locked to the strainer locking portion 24 of the pressing plate 11, and the installation of the drain 1 is completed.

[Different Embodiments of the Present Invention] Next, different embodiments of the present invention shown in FIGS. 9 to 27 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.

The embodiment shown in FIGS. 9 and 10 is mainly different from the embodiment of the present invention in a bolt support fitting 8A, which is a plate-like bolt support fitting as shown in FIG. The main body 20 and screw members 28, 28 having arcuate parts integrally formed at both ends of the bolt support fitting main body 20 and having screw parts 27, 27 on the outer peripheral portion to be screwed with the female screw part 5 of the drain main body 6, and the bolt. It is composed of a bolt locking hole 21 formed substantially in the center of the support metal body 20.

Using the bolt support bracket 8A configured in this way, drain 1A
Even if it is configured, the same effect can be obtained.

In the embodiment of FIGS. 11 to 13, the main difference from the embodiment of the present invention is a bolt support fitting 8B, which is a drain main body as shown in FIGS. 12 and 13. Nipple-shaped inscribed tube 29 that is screwed with the female screw portion 5 of 6
And a support plate 30 fixed to the inner wall surface of the inscribed tube 29, and a bolt locking hole 21 formed in the substantially central portion of the support plate 30.

Using the bolt support bracket 8B configured in this way, drain 1B
Even if it is configured, the same effect can be obtained.

In the embodiment of FIGS. 14 and 15, the main difference from the embodiment of the present invention is the bolt support metal fitting 8C, which is shown in FIG.
In that the holding claw 31 that prevents the hook bolt 13 from falling off is formed on the 20. By configuring the drain 1C by using the bolt support fitting 8C formed in this way, it is possible to prevent an accident such as dropping the hook bolt 13 during mounting.

In the embodiment of FIGS. 16 to 18, the main difference from the embodiment of the present invention is that a bolt support fitting 8D for supporting an ordinary bolt 32 is used, and this bolt support fitting 8D is
As shown in Figs. 17 and 18, the bolt support bracket body 20
An insertion recess 33 into which the head side of the bolt 32 can be inserted from the side surface at approximately the center of the, and fitting pieces 34, 34 for preventing the bolt 32 inserted into the insertion recess 33 from coming off from the head side. With respect to the point where the drain 1D is formed, the same action and effect can be obtained even if the drain 1D is configured by using the bolt support metal fitting 8D thus formed.

In the embodiment of FIGS. 19 to 21, the main difference from the embodiment of the present invention is a bolt support metal fitting 8E, which is used for bolt support as shown in FIGS. 20 and 21. The bolt insertion hole 35 and the
The bolt insertion hole 35 is formed with an insertion recess 37 into which the nut 36 can be inserted from the side surface, and the bolt 32 inserted into the bolt insertion hole 35 can be removed from the side surface of the bolt insertion hole 35. In terms of forming the notch 38, the same action and effect can be obtained even if the drain 1E is configured by using the bolt support fitting 8E formed in this way.

22 and 23 is different from the embodiment of the present invention mainly in that the drain main body 6A is formed in a horizontal shape, and a bolt locking hole 21 is formed in a portion near the lower portion of the bolt support fitting 8G. Drain 1G configured in this way in terms of forming
However, the same effect can be obtained.

In the embodiment shown in FIGS. 24 and 25, the main difference from the embodiment shown in FIGS. 22 and 23 is that the pressing plate 11A and the strainer 15A can be tightened and fixed by the hook bolts 13, nuts 14 and 14. In this respect, even if the drain 1H is configured in this way, the same operational effect can be obtained.

26 and 27 is different from the embodiment of FIGS. 1 to 8 mainly in that the bolt support metal fitting 8H is used.
The drain 1I configured as described above may be used in that a screw hole 40 that is screwed into the bolt 32 is formed in the substantially central portion of the drain 1I.

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

(1) A drain main body having a female threaded portion formed at a lower portion which is screwed with an upper male threaded portion of a drain pipe, and a bolt support fitting having a shape that does not close an opening of the drain main body screwed with the female threaded portion of the drain main body. And a pressing plate having an opening in the center for pressing the waterproof sheet located above the drain body except the opening, and a bolt insertion hole in the central part formed integrally or separately with the pressing plate. Installed because it is composed of the formed holding metal fittings and the bolts whose heads are detachably attached to the bolt supporting metal fittings and whose screw parts penetrate the bolt insertion holes of the holding metal fittings and are screwed into the nuts. Even if the bolts and nuts are rusted about 10 years after the waterproof repair work, by cutting the bolts, you can easily remove the pressure plate and replace the waterproof cover, and tighten the pressure plate with new bolts and nuts. It can only be fixed. Therefore, it is not necessary to replace the whole as in the conventional case, and the waterproof repair work can be performed at low cost.

(2) Due to the above (1), the waterproof repair work can be easily performed in a short time.

(3) According to the above (1), since the structure is simple, it can be easily installed.

(4) According to claim 2, the same effects as those of the above (1) to (3) can be obtained.

(5) Claim 2 has a simple structure and can be easily installed.

[Brief description of drawings]

FIG. 1 is a sectional view showing an embodiment of the present invention, FIGS. 2 and 3 are explanatory views of a drain main body, FIG. 4 is an explanatory view of a bolt support fitting, and FIGS. 5 and 6 are pressing plates. 7 and 8 are explanatory views of the holding metal fittings, FIG. 9 and FIG.
10, FIG. 11 to FIG. 13, FIG. 14 and FIG. 15, and FIG.
Figures 18 to 19, 19 to 21, 22 and
23, 24 and 25, 26 and 27 are explanatory views showing different embodiments of the present invention. 1, 1A-1E, 1G-1I: Drain, 2: Building, 3: Male screw part, 4: Drain pipe, 5: Female screw part, 6, 6A: Drain body, 7: Opening part, 8, 8A-8E, 8G , 8H: Bolt support bracket, 9: Waterproof sheet, 10: Opening part, 11: Pressing plate, 12: Holding bracket, 13: Hook bolt, 14: Nut, 15: Strainer, 16: Cylindrical part, 19: Screw part, 20: Bolt support bracket body, 21: Bolt locking hole, 22: Pressing plate body, 23: Flange part, 24: Strainer locking part, 25: Holding bracket body, 26: Bolt insertion hole, 27: Screw part, 28 : Screw member, 29: Inner pipe, 30: Support plate, 31: Holding claw, 32: Bolt, 33: Insertion recess, 34: Fitting piece, 35: Bolt insertion hole, 36: Nut, 37: Insertion recess, 38 : Notch, 40: Screw hole.

Claims (2)

[Scope of utility model registration request] 1. A drain main body having a female threaded portion formed at a lower portion which is screwed with an upper male threaded portion of a drain pipe, and a bolt having a shape which does not block an opening of the drain main body which is screwed with the female threaded portion of the drain main body. Support metal fittings, a pressing plate having an opening in the center for pressing the waterproof sheet located above the drain body except the opening, and a bolt inserted in the central part formed integrally with or separately from the pressing plate. A holding metal fitting having a hole formed therein, and a head that is detachably attached to the bolt supporting metal fitting, and a screw portion that penetrates a bolt insertion hole of the holding metal fitting and is screwed with a nut. Drain. 2. A drain main body having a female threaded portion formed at a lower portion which is screwed with an upper male threaded portion of a drain pipe, and a bolt having a shape which does not block an opening of the drain main body which is screwed with the female threaded portion of the drain main body. Support metal fittings, a pressing plate having an opening in the center for pressing the waterproof sheet located above the drain body except the opening, and a bolt inserted in the central part formed integrally with or separately from the pressing plate. A drain comprising: a holding metal member having a hole formed therein; and a bolt penetrating through a bolt insertion hole of the holding metal member and detachably screwed into a thread portion of the bolt supporting metal member.