JP2545142Y2 - Catchment basin - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a catchment basin used for collecting and draining rooftop drainage in a building or the like.

[0002]

2. Description of the Related Art Heretofore, this type of catchment basin has been formed in a rectangular parallelepiped box shape and provided with a drainage pipe at the center of the bottom surface.

[0003]

[Problems to be Solved by the Invention] However, if the catchment basin is simply formed in a rectangular parallelepiped shape, there is a problem that the appearance is poor in design. Also, since there is only a drainage pipe in the center of the bottom of the flat surface, there is no guide to guide the drainage to the drainage pipe, and the water in the catchment basin may not be drained smoothly and water may remain on the bottom face. There is a problem that there is. In order to eliminate this problem, it is conceivable that the entire catchment basin may be formed in a tapered cylindrical shape. However, in this case, the mounting structure when attaching the catchment basin to the vertical outer surface of the building becomes complicated. There is.

[0004] The present invention has been made in view of the above problems, and the object of the present invention is to improve the design,
Moreover, it can be drained smoothly so that no water remains inside,
Another object of the present invention is to provide a catchment basin that can be easily attached to an outer wall of a building or the like.

[0005]

In order to achieve the above object, the water collecting basin D according to the present invention has a box-shaped water collecting basin main body 1 with a rear surface 1a as a vertical mounting surface and a water collecting basin main body 1 with a front surface 1b. Is formed in a semi-conical cylindrical shape whose diameter decreases downward, and both side surfaces 1c of the water collecting basin body 1 are directed downward and both side surfaces 1c are formed.
Is formed in a tapered shape in which the distance between the two is narrow, and a cylindrical drainage tube 2 is provided on the bottom surface 1d of the water collecting basin body 1 in a semi-conical shape of the water collecting basin body 1.
So that the front part 1b and the drain pipe 2 are concentric with each other.
And the diameter of the lower end of the front portion 1b,
It is attached so that the diameter of the upper end of the water bottle 2 is substantially the same, and the portion from the rear surface 1a to the drainage tube 2 of the bottom surface 1d of the water collecting basin body 1 is inclined downward from the rear surface 1a toward the drainage tube 2 side. The slope surface 3 was set.

[0006]

The front face 1b of the water collecting basin body 1 is formed in a semi-conical cylindrical shape, and the side faces 1c on both sides are tapered, so that the appearance is changed and the design is excellent. The front face 1b of the catchment basin body 1 has a semi-conical cylindrical shape, and both side faces 1c have tapered surfaces.
The part from the back 1a of the bottom surface 1d of the
Since the inclined surface 3 is inclined downward from the side a toward the drainage tube 2, the drainage can be smoothly guided to the drainage tube 2, so that water does not accumulate on the bottom surface 1 d. Also
While concentric with the semi-conical cylindrical front part 1b and the drainage pipe 2,
The diameter of the lower end of the semi-conical cylindrical front part 1b and the upper end of the drainage pipe 2
By making the diameters approximately the same, water is applied to the inside of the front part 1b.
To the drain pipe 2 more smoothly. Further, since the rear surface 1a is a vertical surface, the rear surface 1a can be easily attached to a predetermined state by abutting the rear surface 1a on an outer surface of a building or the like.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIGS. 1, 2, and 3, a water collecting basin main body 1 is formed in a square box shape having an upper surface opened at a back surface 1a, a front surface 1b, a side surface 1c, and a bottom surface. Since the catchment basin body 1 is formed of a metal plate, it is composed of a first member A, a second member B, and a third member C as shown in FIG. It is assembled. First member A
The back surface 1a and the bottom surface 1d are integrally provided, and a welding margin 4 is provided on the periphery as necessary. The second member B has a front portion 1b and both side surfaces 1c provided integrally. The third member C forms the square frame-shaped opening frame 5.

The back surface 1a of the catchment basin body 1 is a vertical surface,
A substantially U-shaped introduction opening 6 is provided from the upper end to the center in the vertical direction at the center in the width direction, and mounting holes 7 are formed on both sides of the introduction opening 6. Front part 1 of catch basin body 1
“a” is formed in a semi-conical cylindrical shape whose diameter becomes narrower from the upper end to the lower end, and has an air vent hole 8 which is elongated in the circumferential direction at the upper part. The sides 1c on both sides of the catchment basin body 1 are the sides 1 on both sides
It is tapered so that the interval of c becomes narrower as it goes downward. A circular drain port 9 is drilled in front of the bottom surface 1d of the water collecting basin body 1 and a concave step portion 10 is provided around the entire periphery of the drain port 9. The concave step 10 is continuous with the lower end of the front surface 1b. In the case of the present embodiment, the drainage cylinder 2 includes an upper cylinder 2a and a lower cylinder 2b. The flange 11 at the upper end of the upper cylinder 2a is fitted into the concave step 10, and the flange 11 is fixed to the concave step 10 by welding. The upper end of the lower cylinder 2b is fixed by placing the flange on the step at the lower end of the upper cylinder 2a and welding. And as shown in the figure, a semi-conical cylindrical front
The surface portion 1a and the drainage cylinder 2 are concentric and have a semi-conical cylindrical shape.
The diameter of the front part 1a of the water pipe and the diameter of the upper end part of the drainage pipe 2 are substantially the same.
I have. The bottom surface 1d of the catchment basin main body 1 has a slope 3 whose height decreases toward the drainage port 9 in a portion from the rear surface 1a toward the drainage port 9. Opening frame 5 as third member C
Is provided with a concave step 13 over the entire circumference, and the peripheral edge of a lid 14 for closing the opening of the opening frame 5 is placed on the concave step 13 and fixed with screws or the like.

The catchment basin D constructed as described above is constructed as shown in FIG. The catchment basin D is a building 1 like a building
5 is disposed such that the back surface 1a is in contact with the outer surface of the outer wall,
It is attached by screwing an attachment screw 16 into the outer wall from the attachment hole 7. Drainage pipe 1 for draining rooftop drainage
The end of 7 is introduced into the catchment basin D through the introduction opening 6, and the lower end opening of the inverted L-shaped discharge part 18 at the end of the drain pipe 17 is opposed to the drainage port 9 of the catchment basin D. Pipe-shaped downspout 19
Are vertically arranged along the outer surface of the outer wall, and the upper end of the downspout 19 is fitted and connected to the drainage pipe 2. A part of the downspout 19 is attached to an appropriate position on the outer wall by a downspout attachment 20. Although the catchment basin D is constructed as described above, the front face 1b of the catchment basin D has a semi-conical cylindrical shape and the side surface 1c is tapered so that there is a change in the appearance, which is preferable in design. At this time, the air vent hole 8 in the front portion 1b is more preferable in design. Rooftop drainage flowing through drainage pipe 17 is drainage section 1
8 is discharged downward into the catchment basin D from the lower end opening, and is discharged from the downspout 19 via the discharge tube 2. At this time, the front part 1b
Is formed in a semi-conical cylindrical shape whose diameter becomes smaller toward the bottom, the side surface 1c is tapered so that the interval becomes narrower downward, and the inclined surface 3 is provided on the bottom surface 1d. The water in the catchment basin D is smoothly guided to the drainage tube 2 and drained so that no water remains in the catchment basin D. At this time, since the flange 11 at the upper end of the upper cylinder 2a of the drain cylinder 2 is fitted and attached to the recessed step 10, there is no portion where water accumulates on the bottom surface 1d, so that water can be discharged more smoothly. Further, since the drainage pipe 2 is provided so as to be closer to the front portion of the bottom surface 1d, the downspout 19 can be attached to the outer wall at a fixed interval, and the downspout 19 can be attached to the downspout fitting 20. And easy to hold. Further, since the drainage pipe 2 is composed of the upper pipe 2a and the lower pipe 2b, the vertical pipe 19 that matches the diameter of the upper pipe 2a and the vertical pipe 1 that matches the diameter of the lower pipe 2b.
9 and two types of downspouts 19 can be connected.

[0010]

[Effect of the Invention] In the present invention, as described above, the front part of the catchment basin body has a semi-conical cylindrical shape whose diameter becomes narrower downward, and both side surfaces are tapered surfaces which become narrower downward. The front face of the water collecting basin body is of a semi-conical cylindrical shape with a smaller diameter at the bottom, and the sides on both sides are tapered at a smaller spacing at the bottom, not to mention that the design is excellent and the design is excellent. Attach the cylindrical drainage pipe to the bottom of the catchment basin toward the front, and incline the part from the back of the bottom of the catchment basin to the drainage pipe downward from the back side to the drainage pipe side. Surface, so that the drainage introduced inside can be guided smoothly to the drainage cylinder, preventing water from collecting on the bottom surface.
The drainage cylinder is connected to the semi-conical front part of the catchment basin body and the drainage cylinder.
Concentrically close to the front and semi-conical front
The diameter of the lower end of the part and the diameter of the upper end of the drainage cylinder are almost the same.
So that the water introduced into the catchment basin is semicircular.
Guided by the inner surface of the conical front part, smoothly into the drainage cylinder
That can lead to
Since the rear surface is a vertical surface, the rear surface can be easily attached in a predetermined state by contacting the rear surface with an outer surface of a building or the like.

[Brief description of the drawings]

FIG. 1 is a partially cutaway side view of an embodiment of a catchment basin of the present invention.

FIG. 2 is a partially cutaway front view of the same.

FIG. 3 is a plan view of the same.

FIG. 4 is an enlarged view of a portion E in FIG. 1;

FIG. 5 is an enlarged view of a portion F in FIG. 1;

FIG. 6 is an enlarged view of a portion G in FIG. 1;

FIG. 7 is an enlarged view of a portion H in FIG. 2;

FIG. 8 is an enlarged view of a portion J in FIG. 2;

FIG. 9 is an exploded perspective view of the whole.

FIG. 10 is a partially cut-away side view of the same working state.

[Explanation of symbols]

D catchment basins 1 catchment Masumoto body 1a back 1b front portion 1c side 1d bottom 2 drainage tube

Claims (1)

(57) [Scope of request for utility model registration] 1. A box-shaped water collecting basin main body having a vertical mounting surface, a front surface of the water collecting basin main body being formed in a semi-conical cylindrical shape having a diameter gradually decreasing downward, and a water collecting basin main body. forming the sides of the side surface in a tapered shape in which the distance between both sides is narrowed downward, collecting the water collecting Masumoto cylindrical drainage tube to the bottom of the body basins
The semi-conical cylindrical front part of the main body and the drainage cylinder are concentric
And the diameter of the lower end of the semi-conical cylindrical front part
So that the diameter of the upper end of the
A catchment basin consisting of a slope that slopes downward from the back side to the drainage tube side from the back of the bottom of the main body of the catchment basin to the drainage tube.