JP4388869B2 - Residential rainwater storage system - Google Patents

Description

The present invention relates to a residential rainwater storage system that reduces the load on rivers and sewerage facilities during rainfall.

Conventionally, a residential rainwater storage device as shown in FIG. 29 is known (for example, Patent Document 1).
Etc.).

First, in terms of configuration, in this conventional residential rainwater storage device, a vertical gutter 5 is connected to an eave gutter 4 provided on the eaves side 3 of the roof portion 2 of the building 1.

  The downpipe 5 is connected to a tubular body 7 embedded in the underground 6.

  A plurality of fine pores 8 are formed on the outer peripheral surface of the tube body 7.

In addition, a cylindrical body 9 that is covered with a net member 9a and has a substantially rectangular parallelepiped shape is provided around the tubular body 7.

The cylindrical body 9 includes obsidian perlite 10 between the tubular body 7 and the net member 9a.
Filled.

The obsidian perlite 10 has a hollow sphere having a diameter larger than the inner diameter of the pores 8 and the mesh of the mesh member 9a, and the cylindrical body 9 serves as a water reservoir.

An overflow pipe 11 that opens to a position higher than the upper surface position of the cylindrical body 9 is connected to the distal end of the tubular body 7.

  Next, the operation of this conventional residential rainwater storage device will be described.

In the conventional residential rainwater storage apparatus configured as described above, the rainwater 3 that has fallen on the roof portion 2 of the building 1 is collected in the vertical gutter 5 via the eaves gutter 4 and is passed through the vertical gutter 5. It flows down along the outer wall of the building 1.

Rainwater flowing down in the vertical gutter 5 is leached from the pores 8 of the tubular body 7 and temporarily stored in the cylindrical body 9.

For this reason, even if a large amount of rain falls at a time, it is temporarily stored in the house where the building 1 is provided, and a sudden increase in water due to heavy rain such as a river or a sewerage facility can be mitigated.

Further, rainwater that cannot be stored in the cylindrical body 9 is discharged from the overflow pipe 11.
JP 62-206129 A (FIGS. 1 and 2)

However, in such a conventional residential rainwater storage device, when there is an existing in-house water collection piping route around the building 1, the tubular body 9 is replaced with the water collection device for all routes. Etc. had to be buried, and there was a problem that the replacement work was difficult.

In addition, since the overflow pipe 11 is also buried in the ground 6, there is a problem that when the overflow height is changed in order to adjust the amount of stored water, the ground must be dug up.

Then, this invention makes it a subject to provide the rainwater storage system for housing | casing which is favorable for construction workability | operativity, and is suitable for using for the existing in-house water collection piping path | route.

In order to achieve the above object, in the invention described in claim 1, rainwater which is provided around the building in the residential land and rains on the roof of the building is connected to individual rainwater masses via a vertical shaft. Rainwater for residential use that collects rainwater flowing in the residential water collection route, guides rainwater flowing down from the residential water collection route to the final mass in the residential land from the mass inlet, and drains it into the public sewage from the mass outlet of the final residential mass. The storage system is provided in the mass discharge port in the final mass in the home, and the overflow inflow port is positioned above the mass discharge port so that the final mass in the home and the in-home It is characterized by a residential rainwater storage system having an overflow member capable of storing a certain amount of rainwater in a water collection path.

Further, according to a second aspect of the present invention, the overflow member is constituted by a joint-shaped member provided so as to be detachable from the mass discharge port and having an orifice adapted to the height of the mass discharge port. A residential rainwater storage system according to claim 1.

Further, according to a third aspect of the present invention, there is provided a housing rainwater according to the second aspect, wherein a convex portion for preventing adhesion of a hybrid is formed on the outer peripheral surface of the overflow member at the periphery of the orifice forming position. It features a storage system.

Moreover, what was described in Claim 4 is characterized by the rainwater storage system for houses of Claim 2 or 3 which provides the wire member for a cleaning penetrated by the said orifice.

Further, according to a fifth aspect of the present invention, the amount of storage in the final mass in the house and in the domestic water collecting path is obtained by changing the height direction position of the upper edge at the overflow inlet of the overflow member. 5. The residential rainwater storage system according to claim 1, further comprising an overflow position adjusting means for adjusting

And what is described in Claim 6 is characterized by the rainwater storage system for houses as described in any one of Claims 1 thru | or 4 which comprises the said overflow member using a flexible tubular body.

According to the first aspect of the present invention thus configured, the overflow inlet of the overflow member provided in the final mass in the house is provided at a position above the mass discharge port of the final mass in the house. ing.

For this reason, a certain amount of rainwater is stored in the final mass in the home and in the home water collection route, and temporarily stored in the home, which can alleviate sudden increase in water due to heavy rain in rivers and sewerage facilities. it can.

Since the overflow member only needs to be attached to the mass discharge port, the overflow member may be used only in one place in the final mass in the house even when it is used in an existing residential water collection piping route.

  For this reason, it is not necessary to dig up the ground as in the prior art, and the workability is good.

Further, according to a second aspect of the present invention, there is provided a joint-shaped member in which the overflow member is provided so as to be attachable / detachable to / from the mass discharge port, and the orifice is adapted to the height of the mass discharge port. ing.

For this reason, the overflow member can be configured at low cost, and the maintenance can be easily performed by removing the overflow member from the mass discharge port and cleaning the final mass in the house and the overflow member.

  Therefore, the maintainability is good.

Further, in the third aspect of the present invention, hybrids are difficult to adhere due to the convex portions formed on the outer surface of the overflow member.

In addition, even if the hybrid is attached to the outside of the orifice, a gap is formed between the hybrid and the periphery of the orifice.

For this reason, the water flow function of the orifice is not impaired, and the orifice can be used continuously for a long period of time. In this respect, the maintainability is good.

Further, since the cleaning wire member inserted into the orifice is provided in the fourth aspect, the cleaning wire member is inserted into and removed from the orifice from above, and the outside of the orifice The hybrids adhering to can be removed by dropping.

  For this reason, the maintainability is further good.

Further, according to a fifth aspect of the present invention, when the height direction position of the upper edge is changed by the overflow position adjusting means provided at the overflow inlet of the overflow member, The water level that determines the storage amount in the water collection path can be adjusted up and down in accordance with the height direction position of the upper edge, so that the storage amount can be easily adjusted.

  For this reason, the compatibility with the existing in-house water collection piping route is good.

And since the overflow member is comprised using the flexible pipe body, what was described in Claim 6 deform | transforms the shape of this overflow member according to the shape and dimension of the existing last mass in a house. Can be used.

Next, a residential rainwater storage system according to the best mode for carrying out the present invention will be described with reference to the drawings.

  In addition, the same code | symbol is attached | subjected and demonstrated about the same or equivalent part as the said prior art example.

FIGS. 1 to 28 illustrate a residential rainwater storage system according to an embodiment of the present invention.

First, the configuration will be described. In the embodiment of the present invention, a house 13 as a building as shown in FIGS. 2 and 3 is provided in the residential land 14. Around this house 13, polyvinyl chloride pipes 18, etc., which are part of the in-home water collecting path 12 and are buried as rainwater, are provided in advance.

The residential water collection path 12 is embedded in the residential land 14 at intervals, and the housing 1
The individual rainwater mass 16 that collects the rainwater that has rained on the roof portion 15 of 3 through the vertical fence 19.
... are provided in plural.

And between the individual rainwater masses 16 and 16 and between these individual rainwater masses 16 and the final rainwater mass 17 in the residential area as the final residential mass by the PVC pipes 18 embedded with a certain gradient. Is connected to the PVC pipe 18 formed on the final rainwater mass 17 in the residential land, and the mass inlet 1 connected to the final rainwater mass 17 in the residential land.
From 7a, it is configured to lead into the final rainwater mass 17 in the residential land.

Further, a PVC drain pipe 23 connected to a public rainwater mass 21 buried in the road 20 is connected to the mass outlet 17b of the final rainwater mass 17 in the residential land.

The public rainwater mass 21 is connected to the rainwater main pipe 22 via a drain pipe 24 so that rainwater flowing down from the mass outlet 17b of the final rainwater mass 17 in the residential land can be discharged. It is configured.

FIG. 1 shows a final rainwater mass 17 in a residential land of a residential rainwater storage system according to Example 1 of the embodiment of the present invention.

First, in terms of configuration, the final rainwater mass 17 (made of polypropylene resin) in the residential land of Example 1 has a substantially cylindrical shape with a bottom, and an opening 17e for mounting the lid 25 is formed on the upper surface. It has a mass body 17c.

At least one mass inflow port 17a is formed in the side surface portion 17d of the mass body 17c.

At the mass inlet 17a, a tip 18a of a vinyl chloride pipe 18 on the indoor water collection path 12 side is provided.
It is inserted and connected through a seal packing material 26 provided at the periphery.

Further, a mass drainage port 17b is formed on the side surface portion 17d at substantially the same height direction position as the mass inlet port 17a.

A base end 23a of the PVC drain pipe 23 is inserted and connected to the mass drain port 17b via a seal packing material 26 provided on the periphery.

Then, the base end 2 protruding from the mass drain port 17b into the internal space of the mass body 17c.
3a is provided so that the drain side receiving port 30a of the elbow joint member 30 as an overflow member is externally fitted and located in the final rainwater mass 17 in the residential land.

The elbow joint member 30 is a joint-shaped member that has substantially the same shape as the elbow joint member that connects the pipe edges, and the axial direction extends in a direction substantially orthogonal to the axial direction of the drain side receiving port 30a. A water inlet side receiving portion 30b that opens upward and is integrally bent and connected.

A cylindrical overflow tube 31 is fitted into the water inlet side receiving portion 30b.

The overflow pipe body 31 is configured such that the height position of the overflow line OL is substantially determined by the vertical position of the upper edge portion 31b of the overflow inlet 31a which is the upper opening. By providing it above the discharge port, a certain amount of rainwater can be stored in the individual rainwater masses 16 and the PVC pipes 18 in the final rainwater mass 17 in the residential land and in the domestic water collecting route 12. Yes.

Further, the elbow joint member 30 according to the first embodiment is provided so as to be detachable from the base end 23a protruding from the mass discharge port 17b.

The lower outer surface 30c of the elbow joint member 30 is located in the vicinity of the bottom surface 23b of the base end 23a toward the internal space of the mass body 17c so as to match the height of the mass discharge port 17b. An orifice 30d drilled substantially horizontally is provided.

  Next, the operation of the residential rainwater storage system according to the first embodiment will be described.

In the residential rainwater storage system of the first embodiment, the roof portion 1 of the house 13 is caused by rainfall.
The rainwater 3 falling on 5 flows down along the outer wall portion of the house 13 through the eaves 4 and the vertical wall 19.

The rainwater flowing down in the downpipe 19 flows into the individual rainwater masses 16 to raise the water level.

At this time, when the water level reaches the height of the PVC pipes 18 connected to the individual rainwater masses 16, the water level rises in the PVC pipes 18 due to rainwater flowing into the individual rainwater masses 16. Then, the rainwater flows down toward the final rainwater mass 17 in the residential land.

In the final rainwater mass 17 in the residential land, storage of rainwater is started by these inflowing rainwater.

At this time, the water level in the final rainwater mass 17 in the residential land is substantially the same as the water level of each of the individual rainwater masses 16.

For this reason, the amount of rainwater temporarily stored in the residential land 14 is the sum of the capacity in the final rainwater mass 17 in the residential land, the capacity in the individual rainwater masses 16 and the capacity in the PVC pipes 18. It becomes capacity.

Moreover, the overflow inlet 31a of the elbow joint member 30 provided in the final rainwater mass 17 in the residential land opens above the mass discharge port 17b of the final rainwater mass 17 in the residential land and opens upward. Is provided.

For this reason, the rainwater level in the final rainwater mass 17 in the residential land reaches each of the final rainwater mass 17 in the residential land and in the residential water collecting path 12 until it reaches the upper edge 31b of the overflow inlet 31a. A certain amount is stored inside the individual rainwater mass 16 and the capacity and each of the PVC pipes 18.

When the water level reaches the upper edge portion 31 b, rainwater passes over the upper edge portion 31 b and flows down into the elbow joint member 30.

Therefore, rainwater is drained to the public rainwater mass 21 and the rainwater main pipe 22 through the PVC pipe 23 after a certain time from the start of rainfall.

  For this reason, it is possible to mitigate sudden water increase due to heavy rain in rivers and sewerage facilities.

Moreover, since this elbow joint member 30 is attached to the mass outlet 17b of the final rainwater mass 17 in the residential land, even when it is used for an existing residential water collection piping route, it is only at one location in the final mass in the residential area. Use it.

When the stored amount in the final rainwater mass 17 in the residential land returns to the position of the upper edge portion 31b again due to the drainage of the rainwater, the rainwater flow into the elbow joint member 30 is stopped.

And since the stored rainwater is drained gradually from the orifice 30d of the elbow joint member 30 provided in the final rainwater mass 17 in the residential land, after the passage of a certain time, the final rainwater mass 17 in the residential land And the rainwater in the PVC pipes 18 and the individual rainwater masses 16.
A certain amount of water is drained to the position where the orifice 30d is formed, and a storage amount when rainwater flows again is secured.

In addition, since the elbow joint member 30 is detachably attached to the mass discharge port 17b, the elbow joint member 30 is simply fitted and attached to the final rainwater mass 17 in the residential land. A storage section capable of storing a certain amount of rainwater can be configured by using the individual rainwater masses 16... And the PVC pipes 18 in the existing water collecting path 12 embedded in advance around 13.

For this reason, it is not necessary to embed the rain water storage apparatus for houses which has the conventional cylinder 9 etc. separately shown in FIG.

And the elbow joint member 30 of this Example 1 can utilize the elbow joint member used for connection of normal piping as it is.

For this reason, the overflow member can be configured at a low cost, and the elbow joint member 30 is removed from the mass discharge port 17b and deposited near the bottom of the final rainwater mass 17 in the residential land during maintenance. Drilling substantially horizontally toward the internal space direction of the mass body 17c in the vicinity of the bottom surface portion 23b of the base end 23a in accordance with the cleaning of hybrids and the height of the mass discharge port 17b of the elbow joint member 30 It is possible to easily clean the orifice 30d.

  Therefore, the maintainability is good.

5 and 6 show a residential rainwater storage system according to Embodiment 2 of the present invention. The same or equivalent parts as those in the first embodiment will be described with the same reference numerals.

First, in terms of configuration, in the second embodiment, a rubber ring member 41 for sealing is externally fitted and fixed to the outer peripheral surface in the vicinity of the drainage side edge 40a of the elbow joint member 40 as an overflow member. Yes.

In addition, in the final rainwater mass 27 (made of vinyl chloride resin) in the residential land as the final mass in the home, a water-receiving side receiving portion 27a and a drainage-side receiving portion 27b are respectively integrally projected outwardly, A distal end 18a of the PVC pipe 18 on the indoor water collection path 12 side and a proximal end 23 of the PVC drain pipe 23
a is internally fitted and connected.

Further, the bottom-side opening 27d of the final rainwater mass 27 in the residential land has a bottomed mud reservoir 27.
c is fitted.

The drain side edge 40 of the elbow joint member 40 is formed on the inner side surface 23c of the base end 23a.
A rubber ring member 41 on the outer peripheral surface in the vicinity of a is fitted and mounted.

  Next, the operation of the residential rainwater storage system of the second embodiment will be described.

In the residential rainwater storage system according to the second embodiment, in addition to the effects of the first embodiment, the drainage side edge 40a of the elbow joint member 40 is further provided on the inner surface 23c of the base end 23a of the PVC drainage pipe 23. A rubber ring member 41 on the outer peripheral surface in the vicinity is fitted and mounted.

For this reason, rather than the axial center position of the final rainwater mass 27 in the residential land,
The elbow joint member 40 can be easily put close to the vehicle, and the space efficiency in the final rainwater mass 27 in the residential land can be improved.

Other configurations and operational effects are substantially the same as those of the first embodiment, and thus the description thereof is omitted.

7 and 8 show a residential rainwater storage system according to Embodiment 3 of the present invention. The same or equivalent parts as those in the first embodiment will be described with the same reference numerals.

First, in terms of configuration, in the third embodiment, three annular retaining protrusions 50b... Are arranged at regular intervals on the outer peripheral surface in the vicinity of the drainage side edge 50a of the elbow joint member 50 as an overflow member. Thus, they are integrally formed to project.

In addition, the final rainwater mass 27 in the residential area as the final mass in the house is integrally provided with a water inlet side 27a and a drain side outlet 27b, and each of them is a PVC pipe on the side of the indoor water collection path 12 The tip 18a of 18 and the base end 23a of the PVC drain pipe 23 are fitted and connected.

Further, the bottom-side opening 27d of the final rainwater mass 27 in the residential land has a bottomed mud reservoir 27.
c is fitted.

And the drain side edge 50a of the elbow joint member 50 is formed on the inner surface 23c of the base end 23a.
However, when being inserted and mounted, each of the retaining protrusions 50b... Is fitted and mounted.

  Next, the operation of the residential rainwater storage system of the third embodiment will be described.

In the residential rainwater storage system according to the third embodiment configured as described above, the drain side edge 50a of the elbow joint member 50 is inserted and attached to the inner side surface 23c of the base end 23a of the PVC drain pipe 23. Each of the retaining protrusions 50b... Is elastically deformed while being bent, and is engaged with and attached to the inner side surface 23c.

  For this reason, the mounting stability after mounting is further good.

Other configurations and operational effects are substantially the same as those of the first and second embodiments, and thus description thereof is omitted.

9 and 10 show an elbow joint member 60 as an overflow member used in a residential rainwater storage system according to Embodiment 4 of the present invention. In addition, the said Example 1 thru | or 3
The same or equivalent parts will be described with the same reference numerals.

First, in terms of the configuration, on the lower outer surface 60c of the elbow joint member 60 of the fourth embodiment, there are four protrusions as protrusions that prevent the adhering of hybrids on the periphery of the drilled orifice 60d formation position. Are formed so as to protrude in a circumferential manner with the radial groove-like gaps 60f interposed therebetween.

  Next, the operation of the fourth embodiment will be described.

In the elbow joint member 60 of the residential rainwater storage system of Example 4 configured as described above,
By the arcuate rib portions 60e formed on the lower outer surface 60c of the elbow joint member 60,
Hybrids are difficult to adhere.

Also, even if a crossed matter adheres to the outside of the orifice 60d, the arcuate rib portion 6
Since 0e has a predetermined height, a gap is formed between this hybrid and the periphery of the orifice 60d.

Therefore, rainwater stored in the final rainwater mass 17 in the residential land passes through the orifice 60d from the radial groove-like gap 60f formed between the arcuate rib portions 60e, 60e. Since it can flow into 60, there is no possibility that the function of orifice 60d may be impaired.

Other configurations and operational effects are substantially the same as those in the first to third embodiments, and thus the description thereof is omitted.

11 and 12 show an elbow joint member 70 as an overflow member used in the residential rainwater storage system according to the fifth embodiment of the present invention. In addition, the same code | symbol is attached | subjected and demonstrated about the same or equivalent part as the said Examples 1-4.

First, in terms of the configuration, the lower outer surface 70c of the elbow joint member 70 of the fifth embodiment has a plurality of convex portions that prevent the adhering of hybrids on the periphery of the drilled orifice 60d formation position. The mountain-shaped protrusions 70e are formed so as to protrude in a circumferential manner with the gaps 70f interposed therebetween.

  Next, the operation of the fifth embodiment will be described.

In the elbow joint member 70 of the residential rainwater storage system of Example 5 configured as described above,
Since the tip portions of the mountain-shaped projections 70e ... formed on the lower outer surface 70c of the elbow joint member 70 make point contact with the hybrid, the hybrid is difficult to adhere.

In addition, even if a hybrid is attached to the outside of the orifice 60d, the mountain-shaped protrusion 7
Since 0e has a predetermined height, a gap is formed between this hybrid and the periphery of the orifice 60d.

For this reason, the final rainwater mass 1 in the residential land is formed from the gap between the mountain-shaped protrusions 70e, 70e.
7 can flow into the elbow joint member 70 through the orifice 60d, so that the function of the orifice 60d is not impaired.

Other configurations and operational effects are substantially the same as those of the first to fourth embodiments, and thus description thereof is omitted.

13 and 14 show a residential rainwater storage system according to Embodiment 6 of the present invention. In addition, the same code | symbol is attached | subjected and demonstrated about the same or equivalent part as the said Examples 1 thru | or 5.

First, in terms of configuration, in the rainwater storage system for residential use of the sixth embodiment, the water inlet side opening 4 of the elbow joint member 40 that is fitted in and attached to the base end 23a of the PVC drain pipe 23.
On the periphery of 0b, spring members 42 and 42 are interposed and supported between the inner side surfaces 17f and 17f of the final rainwater mass 17 in the residential land (which may be made of polypropylene resin, vinyl chloride resin or concrete). Has been.

The spring member 42 has a pair of rubber contact members 42b and 42b on the left and right sides of the spring body 42a.
Is mainly composed.

  Next, the operation of the residential rainwater storage system of the sixth embodiment will be described.

In the residential rainwater storage system of the sixth embodiment, in addition to the functions and effects of the first to fifth embodiments, both side surfaces located on opposite sides of the periphery of the water inlet side opening 40b of the elbow joint member 40; When the two spring members 42 and 42 are interposed between the opposed inner side surfaces 17f and 17f of the final rainwater mass 17 in the residential land, the peripheral edge of the water inlet side opening 40b is the spring member 42. , 42 are pressed and supported from the left and right sides by the elastic repulsive force of the spring bodies 42a, 42a, and the elbow joint member 40 is fixed at a substantially central position in the final rainwater mass 17 in the residential land.

For this reason, the mounting stability is good and the elbow joint member 40 is prevented from rotating.
In addition, the mounting of the elbow joint member is completed when the spring member 42 is merely interposed between the peripheral edge of the water inlet side opening 40b and the inner side surface 17f of the final rainwater mass 17 in the residential land. When removing 40, the spring members 42 and 42 can be easily removed from between the periphery of the water inlet side opening 40b and the inner side surface 17f of the final rainwater mass 17 in the residential land.

  Therefore, the workability of attachment / detachment is good.

Other configurations and operational effects are substantially the same as those in the first to fifth embodiments, and thus the description thereof is omitted.

15 and 16 illustrate a residential rainwater storage system according to Embodiment 7 of the present invention.
In addition, the same code | symbol is attached | subjected and demonstrated about the same thru | or equivalent part as the said Examples 1 thru | or 6.

First, in terms of configuration, in the seventh embodiment, the final rainwater mass in the residential land is provided at the periphery of the water inlet side opening 40b of the elbow joint member 40 that is fitted and fitted to the base end 23a of the PVC drain pipe 23. Screw members 43 and 43 are interposed between and supported by the inner side surfaces 17f and 17f of 17.

The screw member 43 has a pair of rubber female screw members 43b on the left and right sides of the male screw main body 43a.
43b is screwed, and the length in the longitudinal direction can be adjusted by changing the screwing amount.

  Next, the operation of the residential rainwater storage system according to the seventh embodiment will be described.

In the residential rainwater storage system according to the seventh embodiment, in addition to the functions and effects of the first to sixth embodiments, both side surfaces positioned on opposite sides of the periphery of the water inlet side opening 40b of the elbow joint member 40; The male screw main body 43a and the left and right rubber female screw members are interposed between the opposing inner side surfaces 17f, 17f of the final rainwater mass 17 in the residential land, respectively. When rotating between 43b and 43b, the screw member 43 expands.

For this reason, the peripheral edge of the water inlet side opening 40b is fixed by being pressed from the left and right sides by the pressing force of the screw members 43, 43, and the elbow joint member 40 is disposed in the final rainwater mass 17 in the residential land. It is mounted at a desired position.

For this reason, the mounting stability is good and the elbow joint member 40 is prevented from rotating.
Also, at the time of mounting, the screw member 43 is merely interposed between the peripheral edge of the water inlet side opening 40b and the inner side surface 17f of the final rainwater mass 17 in the residential land, and the mounting is completed. Also when removing 40, the work can be easily performed by removing the screw members 43, 43 from between the peripheral edge of the water inlet side opening 40 b and the inner side surface 17 f of the final rainwater mass 17 in the residential land.

  Therefore, the workability of attachment / detachment is good.

Other configurations and operational effects are substantially the same as those of the first to sixth embodiments, and thus the description thereof is omitted.

17 and 18 show a residential rainwater storage system according to an eighth embodiment of the present invention. In addition, the same code | symbol is attached | subjected and demonstrated about the same or equivalent part as the said Examples 1 thru | or 7.

First, in terms of configuration, in the eighth embodiment, the final rainwater mass in the residential land is provided at the periphery of the water inlet side opening 40b of the elbow joint member 40 that is fitted and fitted to the base end 23a of the PVC drain pipe 23. A fixing mesh member 44 is interposed between and supported by the inner side surfaces 17f and 17f of the 17.

The fixing net member 44 has a substantially flat plate shape and a plurality of substantially square-shaped openings 4.
4a and 44a are arranged mainly in a grid pattern and are mainly configured.

  Next, the operation of the residential rainwater storage system according to the eighth embodiment will be described.

In the residential rainwater storage system according to the eighth embodiment configured as described above, in addition to the functions and effects of the first to seventh embodiments, a fixing net member 44 is further provided at the base end 23a of the PVC drain pipe 23. The elbow joint member 40 is supported by being interposed between the peripheral edge of the water inlet side opening 40b of the elbow joint member 40 that is fitted and fitted, and the inner side surfaces 17f and 17f of the final rainwater mass 17 in the residential land. The

A plurality of substantially square-shaped openings 44a, 44a arranged in a grid pattern in the fixing net member 44 are inserted vertically in the rainwater stored in the final rainwater mass 17 in the residential land. Let

Further, since it is not necessary to use a separate support member for supporting the elbow joint member 40, the number of parts is reduced, an increase in manufacturing cost is suppressed, and the elbow joint member 40 is prevented from rotating.

Other configurations and operational effects are substantially the same as those of the first to seventh embodiments, and thus the description thereof is omitted.

19 to 21 show a residential rainwater storage system according to Embodiment 9 of the present invention. In addition, the same code | symbol is attached | subjected and demonstrated about the same or equivalent part as the said Examples 1 thru | or 8.

First, in terms of configuration, in the elbow joint member 80 serving as an overflow member of the ninth embodiment, the penetrating direction of the orifice 80b formed in the lower outer surface 80a is configured as a vertical direction along the vertical direction. ing.

The orifice 80b is configured such that the lower end portion 81a of the cleaning wire member 81 can be inserted and removed along the vertical direction.

The cleaning wire member 81 is formed with an annular locking portion 81b that is connected to the lower end portion 81a. As shown in FIGS. 20 and 21, the elbow joint member 80 is formed.
It is comprised so that it may be latched and hold | maintained at the periphery of the water inlet side opening part 80c.

Further, the cleaning wire member 81 is provided with a gripping portion 81c that protrudes upward from the locking portion 81b, so that an operator can grip the gripping portion 81c and perform a cleaning operation. It is configured.

  Next, the operation of the residential rainwater storage system according to the ninth embodiment will be described.

In addition to the operational effects of the first to seventh embodiments, the residential rainwater storage system of the ninth embodiment configured as described above further includes a gripping portion 81c of the cleaning wire member 81 during maintenance.
An operator picks and inserts / removes the lower end portion 81 a in an orifice 80 b formed in the elbow joint member 80.

The hybrids clogged in the orifice 80b or the hybrids adhering to the lower outer surface 80a are dropped by the insertion / extraction of the lower end portion 81a to be cleaned.

Therefore, even if the elbow joint member 80 is not removed from the final rainwater mass 17 in the residential land, etc., cleaning can be performed by the worker on the ground surface, so that workability is good.

Further, after the cleaning operation, as shown in FIGS. 20 and 21, the locking portion 81 b having an annular shape of the cleaning wire member 81 is locked to the peripheral edge of the water inlet side opening portion 80 c of the elbow joint member 80. Being held.

For this reason, as shown by the two-dot chain line in FIG. 1 of the first embodiment, the opening 17e of the final rainwater mass 17 in the residential land can be stored in a position that is difficult to see from the outside by being closed by the lid body 25.

Therefore, the appearance quality is good, and the risk of the cleaning wire member 81 being lost is reduced.

Further, in the state in which the cleaning wire member 81 is housed, as shown in FIG. 20, the lower end portion 81a protrudes from the orifice 80b so that the tip is positioned below the lower outer surface 80a. ing.

  For this reason, it is difficult for the hybrid to adhere to the lower outer surface 80a around the orifice 80b.

Other configurations and operational effects are substantially the same as those of the first to eighth embodiments, and thus the description thereof is omitted.

22 and 23 show an elbow joint member 90 as an overflow member used in the residential rainwater storage system according to Embodiment 10 of the present invention. In addition, the same code | symbol is attached | subjected and demonstrated about the same thru | or equivalent part as the said Examples 1 thru | or 9.

First, in terms of configuration, in the elbow joint member 90 of the tenth embodiment, the outer surface 90a
Among them, orifices 90b, 90c, and 90d having three different diameters are formed in the outer surface 90a so as to be vertically aligned from the lower surface side to the side surface side.

Of these orifices 90b, 90c, 90d, one or two are configured to be closed by fitting a lid member (not shown).

  Next, the operation of the residential rainwater storage system according to the tenth embodiment will be described.

In the residential rainwater storage system of Example 10 configured as described above, one or two of these orifices 90b, 90c, and 90d are provided with a lid member (not shown) by fitting the lid member. When closed by fitting, the other orifice 90 is opened.
Rainwater stored in the final rainwater mass 17 in the residential land flows into the elbow joint member 90 through at least one of b, 90c, and 90d.

Each of the orifices 90b, 90c, 90d is formed side by side in the vertical direction from the lower surface side to the side surface side of the outer surface 90a, so that one or two of the other open surfaces are closed. The height positions of the orifices 90b, 90c and 90d can be selected.

  For this reason, the stored water level in the final rainwater mass 17 in the residential land can be adjusted.

Other configurations and operational effects are substantially the same as those in the first to ninth embodiments, and thus the description thereof is omitted.

FIG.24 and FIG.25 shows the elbow joint member 100 as an overflow member used for the residential rainwater storage system of Example 11 of this invention. In addition, the said Example 1
Parts that are the same as or equivalent to those in FIG.

First, in terms of configuration, in the elbow joint member 100 of Example 11, the outer surface 10
From the lower surface side of 0a, the flexible hose 101 which comprises an orifice is extended and fixed substantially horizontally so that the inside and outside may be penetrated.

In the eleventh embodiment, in the final rainwater mass 17 in the residential land, the in-house collection connected to the mass inlet 17a from the lower surface side of the outer surface 100a to the projecting portion 101b of the flexible hose 101 projecting. Rainwater flowing from the tip 18a of the PVC pipe 18 on the water path 12 side is provided at a position where it abuts.

  Next, the operation of the residential rainwater storage system according to the eleventh embodiment will be described.

In the residential rainwater storage system according to the eleventh embodiment configured as described above, the first to first embodiments are used.
In addition to the effect of 0, the flexible hose 101 constituting the orifice is extended and fixed substantially horizontally so as to penetrate the inside and outside, and a part of the flexible hose 101 protrudes from the outer surface.

For this reason, the crossed object is the lower outer surface 10 of the periphery of the fixed position of the flexible hose 101.
It does not adhere to 0a.

In addition, even when a hybrid is attached to the peripheral edge of the opening of the flexible hose 101,
The position of the protruding portion 101b of the flexible hose 101 is set to a position where rainwater flowing in from the tip 18a of the PVC pipe 18 on the indoor water collection path 12 side connected to the mass inlet 17a comes into contact. The flexible hose 101 is caused by the flowing rainwater.
Swings and drops the hybrid.

Accordingly, the possibility that the flexible hose 101 is clogged is reduced, and the orifice function is less likely to be impaired.

Other configurations and operational effects are substantially the same as those of the first to tenth embodiments, and thus the description thereof is omitted.

FIG.26 and FIG.27 shows the elbow joint member 110 as an overflow member used for the residential rainwater storage system of Example 12 of this invention. In addition, the said Example 1
Parts that are the same as or equivalent to those in FIG.

First, in terms of configuration, in the elbow joint member 110 of the twelfth embodiment, a female screw portion 110b is formed on the inner surface of the water inlet side receiving portion 110a.

An overflow pipe body 111 as an overflow position adjusting means in which a male screw portion 111b screwed with the female screw portion 111b is formed on the outer peripheral surface 111a from above is connected to the female screw portion 110b. Has been.

At the overflow inlet of the overflow pipe body 111, by changing the height direction position of the upper end edge 111c, the final rainwater mass 17 in the residential land and the indoor water collecting path 12 are changed.
The amount of stored water is adjusted.

  Next, the operation of the residential rainwater storage system of the twelfth embodiment will be described.

In the elbow joint member 110 of the residential rainwater storage system of the twelfth embodiment configured as described above, in addition to the functions and effects of the first to seventh embodiments, the overflow pipe body 111 is further rotated so that the elbow joint is rotated. By changing the screwing amount of the female screw portion 110b formed on the inner surface of the water inlet side receiving portion 110a of the member 110, the upper end edge 1 of the overflow pipe body 111 is changed.
The height direction position of 11c can be changed.

For this reason, the height position of the overflow line OL in the final rainwater mass 17 in the residential land can be set to an arbitrary position, and in the final rainwater mass 17 in the residential land and the in-house water collecting path 12 until the overflow occurs. Temporary storage can be changed by adjusting the water level.

FIG. 28 shows a flexible overflow member 120 as an overflow member used in the residential rainwater storage system according to Embodiment 13 of the present invention. In addition, the said Example 1
Parts that are the same as or equivalent to those in FIGS.

First, from the configuration, in the flexible overflow member 120 of this Example 13,
The tube main body 120a is mainly composed of a flexible tube material that has flexibility and maintains a desired shape in a flexible state.

A fixing ring portion 120b fitted to the periphery of the mass drain port 17b is provided at one end portion of the pipe body 120a, and an annular retaining protrusion 50 is provided on the outer peripheral surface in substantially the same manner as in the third embodiment.
b... are formed in a protruding manner at regular intervals.

An overflow ring member 120c is provided on the other end side of the pipe body 120a so as to open upward.

  Next, the operation of the residential rainwater storage system of the thirteenth embodiment will be described.

In the flexible overflow member 120 of the residential rainwater storage system of Example 13 configured as described above, the tube main body 120a of the flexible overflow member 120 is configured using a flexible tube.

For this reason, according to the shape and size of the final rainwater mass 17 in the existing residential land, this pipe body 120 is used.
By adapting the shape of a by bending deformation or expansion and contraction, it can be used for the final rainwater mass 17 in the existing residential land of various shapes and dimensions.

Other configurations and functions and effects are substantially the same as those of the first to twelfth embodiments, and a description thereof will be omitted.

The embodiment of the present invention and Examples 1 to 13 have been described in detail with reference to the drawings.
The specific configuration is not limited to this embodiment, and design changes that do not depart from the gist of the present invention are included in the present invention.

That is, in the above embodiment, the overflow member using the elbow joint member 30 or the like has been shown and described. However, the present invention is not limited to this, and for example, one opening such as a three-way cheese tube is closed. In addition, it may be a member using a joint-shaped member, such as forming an orifice, etc., provided in the final mass in the house, and by positioning the overflow inlet at a position above the mass outlet, Any shape, quantity and material may be used as long as a certain amount of rainwater can be stored in the final mass in the house and in the indoor water collecting route.

Moreover, in the said Example 3, the drainage side edge 50a of the elbow joint member 50 formed in the straight tube shape.
On the outer peripheral surface in the vicinity, three annular retaining protrusions 50b... Are integrally projectingly formed at regular intervals. However, the present invention is not limited to this, and the pipe shape of the drain side edge 50a is The taper shape, or the number of the annular three retaining protrusions 50b... Is set to two or more than four, and the attachment / detachment property of the mass discharge port and the portion attached to the periphery thereof, The stability after attachment may be further improved.

Further, the final rainwater mass 2 in the residential land, in which the final rainwater mass 17 in the residential land as the final mass in the home, the water receiving side receiving port 27a and the drain side receiving port 27b are respectively integrally projected outwardly.
However, the present invention is not limited to this, for example, a water collection mass that is not a rainwater mass, or a water collection mass having a permeation mass portion in which pores are formed. The shape and quantity of the receiving part are not particularly limited, and may be made of any material such as polypropylene, PVC, or concrete, and has a mass outlet for draining into public sewage. Anything is acceptable.

Then, instead of the pair of spring members 42 and 42 and the screw members 43 and 43 shown in the sixth and seventh embodiments, both ends of the support rod member penetrated through the peripheral wall of the water inlet side opening 40b of the elbow joint member 40. Alternatively, a rubber female screw member 43b that is screwed into the spring main body 42a or the male screw main body 43a may be provided at one end, and the support bar member may be stretched between the opposed inner side surfaces 17f and 17f.

BRIEF DESCRIPTION OF THE DRAWINGS It is a longitudinal cross-sectional view of the underground burying part of the final rainwater mass in a residential land explaining the structure of the principal part by the rainwater storage system for houses of Example 1 of embodiment of this invention. In the rainwater storage system for houses of Example 1, it is sectional drawing in the inside of the building periphery in a residential land explaining the whole structure. In the rainwater storage system for houses of Example 1, it is a typical partial cross section perspective view of the building periphery in a residential land explaining the whole structure. In the rainwater storage system for houses of Example 1, it is a typical top view of a building periphery. It is a perspective view explaining the structure of the elbow joint member used for the rainwater storage system for houses of Example 2. FIG. In the rainwater storage system for houses of Example 2, it is sectional drawing explaining the structure of the final rainwater mass in residential land using an elbow joint member. It is a perspective view explaining the structure of the elbow joint member used for the rainwater storage system for houses of Example 3. FIG. In the rainwater storage system for houses of Example 3, it is sectional drawing explaining the structure of the last rainwater mass in residential land using an elbow joint member. It is a perspective view explaining the structure of the elbow joint member used for the rainwater storage system for houses of Example 4. FIG. In the rainwater storage system for houses of Example 4, it is a front view of the orifice part periphery of an elbow joint member. It is a perspective view explaining the structure of the elbow joint member used for the rainwater storage system for houses of Example 5. FIG. In the rainwater storage system for houses of Example 5, it is a front view of the orifice part periphery of an elbow joint member. It is a top view in the state where the opening of the upper part of the final rainwater mass in the residential land used for the rainwater storage system for houses of Example 6 was opened. It is a perspective view in the last rainwater mass in the residential land explaining the structure of the principal part in the rainwater storage system for houses of an Example. It is a top view in the state where the opening part of the upper part of the final rainwater mass in residential land used for the rainwater storage system for houses of Example 7 was opened. In the rainwater storage system for houses of Example 7, it is a perspective view in the final rainwater mass in a residential land explaining the structure of the principal part. It is a top view in the state where the opening of the upper part of the final rainwater mass in the residential land used for the rainwater storage system for houses of Example 8 was opened. FIG. 18 is a cross-sectional view of a final rainwater mass in a residential land at a position along the line AA in FIG. 17 for explaining the configuration of the main part in the residential rainwater storage system of Example 8. It is a disassembled perspective view explaining the structure of the elbow joint member used for the rainwater storage system for houses of Example 9. FIG. It is a perspective view explaining the structure of the elbow joint member used for the rainwater storage system for houses of Example 9. FIG. In the rainwater storage system for houses of Example 9, it is a longitudinal cross-sectional view of the last rainwater mass in a residential land using an elbow joint member. It is a perspective view of the elbow joint member used for the rainwater storage system for houses of Example 10. FIG. It is an elbow joint member used for the rainwater storage system for houses of Example 10, and is a perspective view of a lower outside surface. It is a perspective view of the elbow joint member used for the rainwater storage system for houses of Example 11. FIG. It is a perspective view of the elbow joint member used for the rainwater storage system for houses of Example 11. FIG. It is a perspective view of the elbow joint member used for the rainwater storage system for houses of Example 12. It is an elbow joint member used for the rainwater storage system for houses of Example 12, and is sectional drawing in the position along the BB line in FIG. It is a perspective view of the elbow joint member used for the rainwater storage system for houses of Example 13. FIG. It is a typical partial sectional view explaining the composition of a building and underground in the rainwater storage device for houses of the conventional example, (a) is a longitudinal section, and (b) is along the extending direction. It is sectional drawing in a position.

Explanation of symbols

13 Housing (building)
14 Housing land 15 Roof part Water collecting route 16 Individual rainwater mass 18 PVC piping 17,27 Last rainwater mass in residential land (final mass in the home)
17a Mass inlet 17b Mass outlet 21 Rainwater mass for public use (public sewage)
30, 40, 50, 60, 70, 80, 90, 100, 110
Elbow fitting member (overflow member)
111 Overflow tube (overflow position adjusting means)
120 Flexible overflow member

Claims (6)

Rainwater that is installed around the building in the residential land and collects rainwater that has rained on the roof of the building into a residential water collection route that connects individual rainwater masses via downpipe, and flows down from the residential water collection route. Is a rainwater storage system for houses that drains from the mass inlet to the final mass in the residential land and drains it from the mass outlet of the final mass to the public sewage,
In the final mass in the house, provided in the mass discharge port, by positioning the overflow inlet at a position higher than the mass discharge port, in the final mass in the house and in the residential water collection path, A residential rainwater storage system comprising an overflow member capable of storing a certain amount of rainwater. The said overflow member is comprised from the joint-shaped member formed so that attachment or detachment was possible in the said mass discharge port, and the orifice was adapted to the said mass discharge port height. Residential rainwater storage system. The residential rainwater storage system according to claim 2, wherein a convex portion is formed on an outer surface of the overflow member at a periphery of an orifice forming position to prevent adhesion of a hybrid. 4. The residential rainwater storage system according to claim 2, further comprising a cleaning wire member inserted through the orifice. The overflow inlet of the overflow member is provided with an overflow position adjusting means for adjusting a storage amount in the final mass in the house and in the indoor water collecting path by changing the height direction position of the upper edge. The residential rainwater storage system according to any one of claims 1 to 4, wherein the rainwater storage system is for residential use. The residential rainwater storage system according to any one of claims 1 to 4, wherein the overflow member is configured using a flexible tubular body.

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