JPH09302770A - Storm-water utilizing facility - Google Patents

Abstract

PROBLEM TO BE SOLVED: To utilize storm water without damaging the appearance design of a dwelling house by installing a water storage tank to the lower section of a floor formed to an outdoor section and connecting a gutter while joining a piping for water supply and a pump for water supply with the water storage tank. SOLUTION: A water storage tank 3 is placed on a support member 7 stretched over the side wall 6 of a balcony 1. Or the water storage tank 3 is suspended from a floor 2. The water storage tank 3 is concealed by arranging a front wall 8 on this side of the water storage tank 3. Storm water pouring on a roof surface is flowed into the tank 3 through an eave gutter 12 and a leader 13. On the other hand, a piping 5 for water supply is connected to the tank 3, and water stored in the tank 3 is extracted from a discharge opening 9 by opening an on-off valve 10 in the vicinity of the ground and used. When an overflow pipe 14 is joined and water exceeds the place of water filling, water is flowed onto the ground through the overflow pipe 14. Drain 15 is connected to the tank 3, and storm water falling on the floor 2 is also flowed into the tank 3. Accordingly, storm water can be utilized without damaging the appearance of a dwelling house at low cost.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to rainwater utilization equipment installed in a house or the like.

[0002]

2. Description of the Related Art In a detached house, there are many opportunities to use water on a daily basis such as car washing and watering garden trees outdoors. Even in apartments, it is not uncommon to use water to water flowers on balconies and balconies.
In particular, recently, there is a growing need to actively green the balconies of condominiums.

[0003]

As water used for car washing, watering flowers, etc., rainwater is sufficient even if it is not tap water. However, when a tank for storing rainwater is installed, for example, underground, extra cost is required for excavation and water supply equipment, and the advantage of using rainwater is lost. In addition, when installed on the roof surface, there is a risk that the exterior design may be impaired, especially in a detached house, and in any case there is a problem in that the location of the water storage tank is difficult and rainwater cannot be fully utilized.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a rainwater utilization facility capable of utilizing rainwater at a low cost and without impairing the exterior design of a house. .

[0005]

In order to achieve the above object, the rainwater utilization equipment of the present invention has a water storage tank installed below a floor formed outside such as a balcony or a veranda as described in claim 1. Then, a gutter is connected to the water storage tank, and water supply means such as a water supply pipe and a water supply pump are connected to the water storage tank so that the stored water in the water storage tank can be used.

The rainwater utilization facility of the present invention is such that the periphery of the water storage tank is covered with a wall such as a balcony or a veranda.

Further, in the rainwater utilization equipment of the present invention, the water supply means is constituted by a water supply pump, and the water supply pump is connected to the water storage tank via a drainage drain provided on the floor.

In the rainwater utilization facility of the present invention, as described in claim 4, a water storage tank is installed below the floor of each floor formed outside such as a balcony or a veranda, and the drainage provided on the floor. A water supply pump is installed in the drain and connected to the water storage tank.
A gutter is connected to the water storage tank installed on the top floor, and an overflow pipe connected to the floor directly above is connected to the water storage tanks installed on the other floors.

In the rainwater utilization equipment of the present invention according to claim 1, the rainwater that has fallen on the roof surface flows through the gutter into the water storage tank installed under the floor such as the balcony. Since the height can be made relatively thin by utilizing the planar spread, it is not so noticeable even when installed.

In particular, when the water storage tank is surrounded by walls such as balconies and balconies, the existence of the water storage tank is almost unknown from the outside, and the influence on the appearance of the building can be minimized.

When the water supply means is composed of a water supply pump and the water supply pump is connected to the water storage tank via a drainage drain provided on the floor, the rainwater stored in the water storage tank is connected to the balcony. It becomes possible to use.

Further, in the rainwater utilization equipment of the present invention according to claim 4, the rainwater that has poured on the roof surface flows into the water storage tank on the uppermost floor through the gutter, and is installed on each floor through the overflow pipe. Sequentially flows into the water storage tank.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a rainwater utilizing facility according to the present invention will be described below with reference to the accompanying drawings.

(First Embodiment) FIG. 1 is a perspective view showing a rainwater utilization facility according to this embodiment, and FIG. 2 is a vertical sectional view of the same. As can be seen from these figures, in the rainwater utilization facility according to this embodiment, a water storage tank 3 is installed below a floor 2 of a balcony 1 attached to the second floor of a detached house, for example.

The water storage tank 3 is made of a light weight material having excellent corrosion resistance, for example, a plastic container, and the height of the water storage tank 3 is set to 50 c by utilizing the flat spread of the balcony as much as possible.
It is better to keep it to about m. Even with such a thinness, if the width and depth are 2 m and 1 m, respectively, 100
A volume of 0 liters (4-5 times the standard bath) can be ensured.

As shown in FIG. 2, the water storage tank 3 may be placed on a support member 7 spanning the side walls 6 of the balcony 1 or may be hung from the floor 2. . The size of the water storage tank 3 is appropriately determined in consideration of whether the building is a wooden structure or an RC structure, or whether the balcony is a pillar system, a roof-standing system, or a cantilever system.

Around the water storage tank 3, side walls 6 as described above are arranged on both sides of the water storage tank 3, and a front wall 8 is arranged on the front side so as to hide the water storage tank 3. There is.

The water storage tank 3 is connected to a vertical gutter 13 extending from an eaves trough 12 attached to the eaves of the roof 11, so that rainwater that has fallen on the roof surface can be stored through the eaves trough 12 and the vertical gutter 13. It is designed to flow into 3.

On the other hand, a water supply pipe 5 is connected to the water storage tank 3 as a water supply means, and the open / close valve 10 provided near the ground is opened to take out the water stored in the water storage tank 3 from the discharge port 9. Are available for use.

An overflow pipe 14 is connected to the water storage tank 3 so that water that has exceeded the full water position will flow down to the ground through the overflow pipe 14. Further, a drainage drain 15 provided on the floor 2 of the balcony 1 is connected to the water storage tank 3 so that rainwater that has fallen on the floor 2 also flows into the water storage tank 3.

In the rainwater utilization equipment of this embodiment, rainwater that has poured on the roof surface flows through the eaves gutter 12 and the vertical gutter 13 into the water storage tank 3 installed under the floor of the balcony 1,
It is stored in the tank. And, car wash and watering,
If the on-off valve 10 is opened when necessary, the water in the water storage tank 3 will be ejected from the discharge port 9.

As described above, according to the rainwater utilization facility of this embodiment, since the water storage tank is installed under the floor of the balcony, a space for installing the tank is secured on the site or underground is excavated. There is no need to do it. Also, if a water storage tank is installed on the balcony on the upper floor, rainwater can be ejected by utilizing the height of the installation tank and the height above the ground, so that equipment such as a pump can be omitted.

Therefore, the installation cost and equipment cost are almost unnecessary, and the merit of using rainwater, that is, the merit of saving tap water can be fully enjoyed.

Further, since the height of the water storage tank can be kept relatively thin by utilizing the planar spread of the balcony, the water storage tank can be installed without impairing the exterior design of the building. In particular, since the periphery of the water storage tank is covered with the wall of the balcony, the existence of the water storage tank is almost unknown from the outside, and the influence on the appearance of the building can be minimized.

In this embodiment, the water storage tank is installed under the floor of the balcony. However, it is not limited to the balcony, but a veranda, terrace, or any other underfloor installed outdoors may be used. For example, a terrace on the second floor may be installed above the parking space, but a water storage tank may be installed under the floor of the terrace.

In this embodiment, the water in the water storage tank is predominantly used outdoors, but if the water supply pipe connected to the water storage tank is pulled into the room, it can be used for washing water in the toilet or bath. It can also be used as water.

Further, in this embodiment, the water tank is covered with the wall of the balcony on the premise that the water tank is installed at the time of new construction, but the water tank may be hung under the floor of the existing balcony. Good. In such a case, the water storage tank will be exposed, but if the height is suppressed, the appearance of the building will not be greatly impaired.

Further, in the present embodiment, it is premised that the rainwater in the water storage tank is used on the ground, but as shown in FIG. 3, the drainage drain 15 is provided with a manual water supply pump 21 as a water supply means. Then, the water in the water storage tank 3 can be used on the balcony 1 at any time.

(Second Embodiment) Next, a rainwater utilization facility according to a second embodiment will be described. It should be noted that parts and the like that are substantially the same as those in the first embodiment are designated by the same reference numerals and the description thereof is omitted.

The rainwater utilization facility according to the second embodiment is an example applied to an apartment house, and as can be seen from the overall view of FIG. 4 (a), floors 2a, 2 of balconies 1a, 1b, 1c on each floor.
Water storage tanks 3a, 3b, 3c are installed under b and 2c, respectively, and a vertical gutter 13 for collecting rainwater that has fallen on the roof and an overflow pipe 14a are connected to the water storage tank 3a on the uppermost floor. Then, the overflow pipe 14a from the uppermost floor is connected to the water storage tank 3b on the next floor so that rainwater can flow in through the pipe, and the water storage tank 3c on the ground floor also has the same structure. Then, the overflow pipe 14b from the immediately upper floor is connected.

On the other hand, a drainage drain 15 provided on each floor 2a, 2b, 2c of each floor is provided with a manual water supply pump 21 as a water supply means, as shown in FIG. 4 (b), and a water storage tank 3a. The water in 3b and 3c can be taken out at any time.

In such a structure, rainwater that has fallen on the roof surface (not shown) flows into the water storage tank 3a on the uppermost floor through the vertical gutter 13. Then, after the tank 3a becomes full, it flows into the water storage tank 3b via the overflow pipe 14a, and when the tank 3b becomes full, it similarly flows into the water storage tank 3c via the overflow pipe 14b, Further, when the tank becomes full, it flows to the ground through the overflow pipe 14c.

When it is desired to use the water in the water storage tanks 3a, 3b, 3c for watering a flowerpot, for example, by operating the manual water supply pump 21, the water in the tank can be taken out at any time.

The rainwater utilization equipment of this embodiment has almost the same effect as that of the first embodiment, and the rainwater can be utilized on any floor by connecting the water storage tanks of each floor in series with the overflow pipes. There is also an effect that can be constructed at a minimum cost.

[0035]

As described above, in the rainwater utilization facility of the present invention, a water storage tank is installed below a floor formed outside a balcony, veranda or the like, and a gutter is connected to the water storage tank. Since the stored water in the water storage tank can be used by connecting water supply means such as a water supply pipe and a water supply pump to the water storage tank, it is possible to use rainwater at low cost without damaging the exterior design of the house. Is possible.

Further, in the rainwater utilization equipment of the present invention, a water storage tank is installed below the floor of each floor formed outdoors such as a balcony or veranda, and a water supply pump is installed in the drain drain provided on the floor. Connected to the water storage tank, among the water storage tanks, the water storage tank installed on the top floor is connected with a gutter, and the water storage tanks installed on the other floors are connected to the overflow pipe connected to the floor immediately above. Since it is connected, rainwater can be used at low cost and without impairing the exterior design of the house,
It will be possible to build facilities that can use rainwater on any floor at a minimum cost.

[0037]

[Brief description of drawings]

FIG. 1 is a perspective view of a rainwater utilization facility according to a first embodiment.

FIG. 2 is a sectional view of the rainwater utilization facility according to the first embodiment.

FIG. 3 is a sectional view of rainwater utilization equipment according to a modification of the first embodiment.

FIG. 4 is a diagram of rainwater utilization equipment according to a second embodiment,
(a) is an overall conceptual diagram, (b) is a detailed sectional view of each floor.

[Explanation of symbols]

 1, 1a, 1b, 1c Balcony 2, 2a, 2b, 2c Floor 3, 3a, 3b, 3c Water storage tank 5 Water supply pipe (water supply means) 6 Side wall (balcony wall) 8 Front wall (balcony wall) 13 Vertical Gutter (gutter) 14, 14a, 14b, 14c Overflow pipe 15 Drain drain 21 Water supply pump (water supply means)

Claims (4)

[Claims] 1. A water storage tank is installed below a floor formed outdoors such as a balcony or a veranda, a gutter is connected to the water storage tank, and water supply means such as a water supply pipe or a water supply pump is connected to the water storage tank. A rainwater utilization facility characterized in that the stored water in the water storage tank can be used by connecting the above. 2. The rainwater utilization facility according to claim 1, wherein the storage tank is surrounded by a wall such as a balcony or a veranda. 3. The water supply means comprises a water supply pump,
The rainwater utilization facility according to claim 1, wherein the water supply pump is connected to the water storage tank via a drainage drain provided on the floor. 4. A water storage tank is installed below a floor of each floor formed outdoors such as a balcony or a veranda, and a drainage pump provided in a drain drain provided on the floor is connected to the water storage tank, Among the water storage tanks, the water storage tank installed on the top floor is connected with a gutter, and the water storage tanks installed on the other floors are connected with an overflow pipe connected to the floor immediately above. Equipment used.