JP4508986B2 - Rainwater penetration - Google Patents

Rainwater penetration Download PDF

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JP4508986B2
JP4508986B2 JP2005248604A JP2005248604A JP4508986B2 JP 4508986 B2 JP4508986 B2 JP 4508986B2 JP 2005248604 A JP2005248604 A JP 2005248604A JP 2005248604 A JP2005248604 A JP 2005248604A JP 4508986 B2 JP4508986 B2 JP 4508986B2
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plate
rainwater
filter
inlet
opening
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JP2007063785A (en
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禎一 後藤
昌隆 村上
圭次 宮▲崎▼
進 平松
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Kubota CI Co Ltd
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Description

この発明は、雨水浸透ますに関し、特にたとえば、雨水を地中に浸透させるだけでなく、雨水から落ち葉や土砂などごみを除去する機能も備える、雨水浸透ますに関する。   The present invention relates to rainwater permeation, and more particularly to rainwater permeation that not only permeates rainwater into the ground, but also has a function of removing debris such as fallen leaves and earth and sand from rainwater.

従来の雨水浸透ますの一例が、非特許文献1に開示されている。この非特許文献1の浸透ますは泥溜めますに連通される。泥溜めますの中に平板のマスプレートが設けられ、マスプレートにかごが取り付けられて、かごの中にゴミ取りバケツが重ねられている。ごみを含んだ雨水はまず泥溜めますの中に入り、マスプレートの中心に形成された孔を通って、ゴミ取りバケツおよびかごを通過する。ごみは主にゴミ取りバケツにより捕らえられて、ごみが取り除かれた雨水は浸透ますへ流入する。このため、ゴミ取りバケツにごみが詰まると浸透ますの浸透能力が低下してしまうため、定期的または大雨の後などにゴミ取りバケツの掃除や点検などをする必要がある。
財団法人 下水道新技術推進機構「下水道雨水浸透技術マニュアル―2001年6月―」第4節「浸透ます等」の構造、図4−7目づまり防止対策(泥溜めます併設例)(79)
An example of conventional rainwater infiltration is disclosed in Non-Patent Document 1. The penetration of this non-patent document 1 is communicated to the mud reservoir. A flat mass plate is provided in the mud pool, a basket is attached to the mass plate, and a garbage collection bucket is stacked in the cage. The rainwater containing the garbage enters the mud pool first, and passes through the hole formed in the center of the mass plate and through the garbage bucket and the basket. Garbage is mainly captured by the garbage bucket, and the rainwater from which the garbage has been removed flows into the permeate. For this reason, if the garbage collection bucket is clogged with dust, the penetration capacity of the penetration will decrease. Therefore, it is necessary to clean or check the garbage collection bucket periodically or after heavy rain.
Sewerage New Technology Promotion Organization "Sewer Rainwater Penetration Technology Manual-June 2001-" Structure of Section 4 "Penetration Masutama", Figure 4-7 Measures to Prevent Clogging (Example of mud accumulation) (79)

非特許文献1の従来技術では、雨量が少ないと、雨水の水力が弱いため、雨水に含まれたごみがマスプレートの上面上に溜まってしまう。このため、泥溜めますの維持管理に際してゴミ取りバケツだけでなく、マスプレート上に溜まったごみも除去する必要があり、その手間および時間が嵩む。   In the conventional technology of Non-Patent Document 1, if the amount of rain is small, the rainwater hydraulic power is weak, so that the dust contained in the rainwater collects on the upper surface of the mass plate. For this reason, it is necessary to remove not only the dust collecting bucket but also the dust accumulated on the mass plate when maintaining the mud pool, which increases the labor and time.

また、マスプレート上に滞留したごみは雨水がゴミ取りバケツ内に流入することを妨げるため、ゴミ取りバケツのゴミ除去機能を低下させるとともに、浸透ますの浸透能力も低下させてしまう。   In addition, since the dust staying on the mass plate prevents rainwater from flowing into the dust collection bucket, it reduces the dust removal function of the dust removal bucket and also reduces the penetration capacity of the permeation.

それゆえに、この発明の主たる目的は、浸透能力の維持および維持管理の省力化を図る、雨水浸透ますを提供することである。   Therefore, a main object of the present invention is to provide a rainwater infiltrating mushroom that maintains the infiltration capacity and saves maintenance.

請求項1の発明は、通水孔を有し、かつ通水孔に向かって下がる勾配が付けられたプレート、およびプレートの下方に設けられるごみ除去フィルタを備える、雨水浸透ますである。   According to the first aspect of the present invention, there is provided a rainwater infiltration plate comprising a plate having a water passage hole and having a slope that is lowered toward the water passage hole, and a dust removal filter provided below the plate.

請求項1の発明は、上端に開口を有する雨水浸透ますであって、開口に取り付けられ、かつ開口の一方側縁側に主流入口が形成される蓋、通水孔を有し、かつ通水孔に向かって下がる勾配が付けられたプレート、およびプレートの下方に設けられるごみ除去フィルタを備え、主流入口の鉛直下方向にプレートの傾斜面を位置させ、ごみ除去フィルタは、主流入口から流入し、かつ傾斜面および通水孔を通過した雨水を受ける、雨水浸透ますである。 According to the first aspect of the present invention, there is provided a rainwater infiltration medium having an opening at the upper end, the lid being attached to the opening and having a main inlet formed on one side edge of the opening, a water passage hole, and the water passage hole. And a dust removal filter provided below the plate, the inclined surface of the plate is positioned vertically downward of the main inlet, the dust removal filter flows in from the main inlet, and Ru receiving rainwater that has passed through the inclined surface and passed through the hole, a rainwater penetration masu.

ごみを含む雨水は、下り勾配のプレート上を流下して、通水孔へ向かい通水孔を通過して、ごみ除去フィルタへ流入する。雨水内のごみがごみ除去フィルタで除去されながら、雨水はごみ除去フィルタを通過して、雨水浸透ますの底などから地中へ浸透する。   The rainwater containing the garbage flows down on the downwardly inclined plate, passes through the water passage hole toward the water passage hole, and flows into the dust removal filter. While the dust in the rainwater is removed by the dust removal filter, the rainwater passes through the dust removal filter and penetrates into the ground from the bottom of the rainwater infiltrating basin.

このように、プレートに下り勾配を付けることにより、ごみは雨水の流力と自重によりプレートの傾斜面を滑り落ちることで、少量の雨水でもごみは通水孔へ運ばれてプレート上に滞留することがなく、ごみ除去フィルタに集められる。よって、雨水プレートを維持管理する際にプレート上のごみを処理する必要がない。また、プレート上のごみにより雨水の流入が妨げられることがなく、雨水の通水孔へ向かう流れが確保されるため、雨水浸透ますの雨水の集水力は低下しない。   In this way, by attaching a downward slope to the plate, the garbage slides down the inclined surface of the plate due to the flow and weight of rainwater, so that even a small amount of rainwater is carried to the water passage hole and stays on the plate. And collected in a dust removal filter. Therefore, it is not necessary to treat the garbage on the plate when maintaining the rainwater plate. Moreover, since the inflow of rainwater is not hindered by the dust on the plate and the flow toward the rainwater passage hole is ensured, the rainwater permeation capacity of rainwater is not reduced.

請求項2の発明は、蓋が、上端開口の一方側縁側に向かって下がるように傾けられ、その一方側縁側に主流入口が形成される、請求項1記載の雨水浸透ますである。
請求項3の発明は、上端に開口を有する雨水浸透ますであって、開口に取り付けられ、かつ開口の一方側縁側に主流入口を有する蓋、通水孔を有し、かつ通水孔に向かって下がる勾配が付けられたプレート、およびプレートの下方に設けられるごみ除去フィルタを備え、ごみ除去フィルタは外側フィルタおよび外側フィルタの中に重ねられた少なくとも1つの内側フィルタを含み、主流入口側に内側フィルタの上端開口を偏らせた、雨水浸透ますである。
The invention of claim 2 is the rainwater infiltration basin according to claim 1, wherein the lid is inclined so as to be lowered toward the one side edge side of the upper end opening, and the main inlet is formed on the one side edge side.
The invention of claim 3 is the rainwater penetration Masu having an opening at the upper end, attached to an opening, or One lid having a primary inlet at one side edge of the apertures, having a water passage hole, and water passage holes And a dust removal filter disposed below the plate , the dust removal filter including an outer filter and at least one inner filter superimposed within the outer filter, the main inlet side in was bias the upper end opening of the inner filter, she is rain water penetration increases.

請求項2の発明では、雨水浸透ますの上端開口に主流入口を有する蓋が取り付けられ、上端開口の一方側縁側に主流入口が配置される。プレートは雨水浸透ますの中に取り付けられ、その下方にごみ除去フィルタが設けられる。そのごみ除去フィルタの外側フィルタの中に少なくとも1つの内側フィルタが重ねられ、内側フィルタの上端開口は主流入口側に偏らせられる。   In the second aspect of the invention, a lid having a main flow inlet is attached to the upper end opening of the rainwater infiltration basin, and the main flow inlet is arranged on one side edge side of the upper end opening. The plate is mounted in a rainwater infiltration basin, and a dust removal filter is provided below the plate. At least one inner filter is placed inside the outer filter of the dust removal filter, and the upper end opening of the inner filter is biased toward the main flow inlet side.

このように、内側フィルタの上端開口を偏らせると、主流入口から流入した雨水は、主に内側フィルタに流入するため、内側フィルタと外側フィルタとの間の隙間を通って、外側フィルタに直接流入することはほとんどない。よって、雨水内のごみは内側フィルタに主に集められるため、雨水浸透ますを維持管理する際に外側フィルタのごみを処理する必要が少なく、処理時間および手間がかからないなど、雨水浸透ますの維持管理において合理性かつ利便性の向上が図られる。   In this way, if the upper end opening of the inner filter is biased, the rainwater that flows in from the main inlet mainly flows into the inner filter, and therefore flows directly into the outer filter through the gap between the inner filter and the outer filter. There is little to do. Therefore, since waste in rainwater is mainly collected by the inner filter, there is less need to treat the waste from the outer filter when maintaining rainwater infiltration, and the maintenance and management of rainwater infiltration by reducing the processing time and effort. Therefore, rationality and convenience can be improved.

この発明によれば、プレートに通水孔に向かう下り勾配を付けることにより、雨水浸透ますの浸透力の維持および維持管理の省力化が図られる。   According to the present invention, by providing the plate with a downward gradient toward the water passage hole, it is possible to maintain the permeability of the rainwater permeation and to save labor for maintenance.

この発明の上述の目的,その他の目的,特徴および利点は、図面を参照して行う以下の実施例の詳細な説明から一層明らかとなろう。   The above object, other objects, features and advantages of the present invention will become more apparent from the following detailed description of embodiments with reference to the drawings.

図1に示すこの発明の一実施例である雨水浸透ます10は地中に埋設され、雨水浸透ます10の上端は地表に開口し、この上端開口12に蓋14が取り付けられる。雨水浸透ます10の底面に浸透孔16が設けられ、側面に接続管18が接続される。雨水浸透ます10の中にプレート20が取り付けられ、プレート20の下方にごみ除去フィルタが配置される。このごみ除去フィルタは外側フィルタ22および外側フィルタ22の中に重ねられた少なくとも1つ、この実施例では1つの内側フィルタ24を含む。   A rainwater infiltration trough 10 according to an embodiment of the present invention shown in FIG. 1 is buried in the ground, the upper end of the rainwater infiltration trough 10 opens to the ground surface, and a lid 14 is attached to the upper end opening 12. A permeation hole 16 is provided on the bottom surface of the rainwater permeation tank 10, and a connecting pipe 18 is connected to the side surface. A plate 20 is mounted in the rainwater infiltration tank 10, and a dust removal filter is disposed below the plate 20. The dust removal filter includes an outer filter 22 and at least one, in this embodiment, one inner filter 24 superimposed within the outer filter 22.

蓋14にはグレーチングによる多数の流入口26および流入口26より大きな主流入口28が設けられ、主流入口28は蓋14の一方側端側に形成される。蓋14は、上端開口12の一方側縁12a側に向かって下がるように傾けられ、その一方側縁12a側に主流入口28が配置される。   The lid 14 is provided with a large number of inlets 26 by grating and a main inlet 28 larger than the inlet 26, and the main inlet 28 is formed on one end side of the lid 14. The lid 14 is inclined so as to be lowered toward the one side edge 12 a of the upper end opening 12, and the main inlet 28 is disposed on the one side edge 12 a side.

図2(A)に示すプレート20は矩形状に形成され、図3に示すように、その大きさは蓋14の主流入口28および流入口26が形成されている範囲より大きい。図2(A)に示すように、プレート20の中心に矩形状の通水孔30が形成され、図2(B)および図2(C)に示すように、プレート20には通水孔30に向かって下がる勾配が付けられている。このため、通水孔30は下り勾配の平らな傾斜面32で囲まれ、プレート20は漏斗状に形成される。傾斜面32に貫通孔34が設けられ、貫通孔34は外側フィルタ22の取り付けに用いられる。プレート20の短辺の両端にそれぞれ係止部36が形成され、図1に示すように係止部36を雨水浸透ます10の側面に設けられた段部38などに引っ掛けることにより、プレート20は雨水浸透ます10に取り付けられる。 The plate 20 shown in FIG. 2A is formed in a rectangular shape, and as shown in FIG. 3, the size thereof is larger than the range where the main inlet 28 and the inlet 26 of the lid 14 are formed. Figure 2 (A) by are shown in sea urchin, is centered formed a rectangular water passage hole 30 of the plate 20, FIG. 2 (B) and FIG. 2 (C) by are shown in sea urchin, the plate 20 passed through A slope is provided that descends toward the hole 30. For this reason, the water passage hole 30 is surrounded by a flat inclined surface 32 having a downward slope, and the plate 20 is formed in a funnel shape. A through hole 34 is provided in the inclined surface 32, and the through hole 34 is used to attach the outer filter 22. Locking portions 36 are respectively formed at both ends of the short side of the plate 20, and as shown in FIG. 1, the locking portion 36 is hooked on a stepped portion 38 provided on the side surface of the rainwater infiltrating 10, etc. Mounted on rainwater penetration 10

外側フィルタ22は上面を開口した立体形状の容器である円柱もしくは直方体の形状であり、好ましくは直方体状の容器である。その側面および底面に多数の小さな細孔40が形成される。外側フィルタ22の上端開口の大きさは通水孔30の大きさと同じ、またはそれより大きい。外側フィルタ22の上部に取付部42が形成され、取付部42は外側フィルタ22の上端から拡径するように延びて、プレート20の下面に沿うように形成される。取付部42に貫通孔44が形成される。外側フィルタ22のほぼ中心にプレート20の通水孔30が位置するように、ボルト46を貫通孔44および貫通孔34に通して、ナット48で固定することにより、外側フィルタ22はプレート20に取り付けられる。   The outer filter 22 has a cylindrical or rectangular parallelepiped shape which is a three-dimensional container having an open upper surface, and is preferably a rectangular parallelepiped container. A large number of small pores 40 are formed on the side and bottom surfaces. The size of the upper end opening of the outer filter 22 is the same as or larger than the size of the water passage 30. A mounting portion 42 is formed on the upper portion of the outer filter 22, and the mounting portion 42 extends from the upper end of the outer filter 22 so as to expand its diameter, and is formed along the lower surface of the plate 20. A through hole 44 is formed in the attachment portion 42. The outer filter 22 is attached to the plate 20 by passing the bolt 46 through the through hole 44 and the through hole 34 and fixing with the nut 48 so that the water passage hole 30 of the plate 20 is located at the approximate center of the outer filter 22. It is done.

内側フィルタ24は上面を開口した立体形状の容器である円柱もしくは直方体の形状であり、好ましくは直方体状の容器である。その大きさは外側フィルタ22の大きさより小さく、かつ内側フィルタ24を搬出入しやすいようにその大きさは通水孔30の大きさよりも小さい。内側フィルタ24の側面および底面に多数の小さな細孔50が形成され、細孔50の大きさは細孔40の大きさに比べて大きい。   The inner filter 24 has a cylindrical or rectangular parallelepiped shape that is a three-dimensional container having an open upper surface, and is preferably a rectangular parallelepiped container. The size is smaller than the size of the outer filter 22 and the size is smaller than the size of the water passage hole 30 so that the inner filter 24 can be easily carried in and out. Many small pores 50 are formed on the side and bottom surfaces of the inner filter 24, and the size of the pores 50 is larger than the size of the pores 40.

また、内側フィルタ24の上端にコ字型の把手52が取り付けられる。内側フィルタ24の高さと把手52の高さとを合わせた高さは外側フィルタ22の高さより高いため、内側フィルタ24を外側フィルタ22の中に重ねると、把手52は外側フィルタ22の上端開口およびプレート20の通水孔30から突出する。   A U-shaped handle 52 is attached to the upper end of the inner filter 24. Since the combined height of the inner filter 24 and the height of the handle 52 is higher than the height of the outer filter 22, when the inner filter 24 is overlaid on the outer filter 22, the handle 52 is positioned at the upper end opening and the plate of the outer filter 22. It protrudes from 20 water holes 30.

雨が降ると、雨水は落ち葉やごみなど固形物を含みながら、蓋14の主流入口28および流入口26から雨水浸透ます10の中へ流入する。そして、固形物を含む雨水は、プレート20の傾斜面32上を流下し、通水孔30へ向かう。このとき、プレート20の下り勾配により固形物は雨水の流力および自重で傾斜面32上を滑り落ち易いため、少量の雨水でも固定物は通水孔30へ運ばれ、プレート20上に溜まりにくい。   When it rains, the rainwater flows into the rainwater permeate 10 from the main inlet 28 and the inlet 26 of the lid 14 while containing solid matter such as fallen leaves and garbage. Then, rainwater containing solids flows down on the inclined surface 32 of the plate 20 and travels toward the water passage hole 30. At this time, the solid matter easily slides down on the inclined surface 32 due to the rainwater flow force and its own weight due to the descending slope of the plate 20. .

通水孔30を通過した雨水は、内側フィルタ24に流入し、内側フィルタ24で大きな固形物が除去される。そして、小さな固形物および雨水は内側フィルタ24の細孔50を通過して、外側フィルタ22に流入する。続いて、雨水は、外側フィルタ22で小さな固形物が除去されて、細孔40を通過する。それから、雨水は雨水浸透ます10の底に溜まり、その一部は底面の浸透孔16から地中に浸透し、オバーフローする雨水は接続管18を通って、下水管へ流入される。   Rainwater that has passed through the water passage hole 30 flows into the inner filter 24, and large solid matter is removed by the inner filter 24. Small solid matter and rainwater pass through the pores 50 of the inner filter 24 and flow into the outer filter 22. Subsequently, the rainwater passes through the pores 40 with the small solids removed by the outer filter 22. Then, rainwater accumulates at the bottom of the rainwater penetration 10, a part of which penetrates into the ground through the bottom penetration hole 16, and the overflowing rainwater flows into the sewer pipe through the connection pipe 18.

雨水浸透ます10を維持管理する際、蓋14を開け、把手52を取って、雨水浸透ます10から内側フィルタ24を取り出す。このとき、外側フィルタ22の中の様子を見て、固形物があまり入っていないようなら、内側フィルタ24内の固形物だけを取り除いて、内側フィルタ24を元に戻す。一方、外側フィルタ22の中にも固形物が溜まっているようなら、内側フィルタ24内の固形物だけでなく、プレート20を引き上げることにより外側フィルタ22を取り出して、外側フィルタ22内の固形物も取り除く。そして、取り除いたら、外側フィルタ22、内側フィルタ24の順番で雨水浸透ます10に戻す。   When maintaining and managing the rainwater permeating mass 10, the lid 14 is opened, the handle 52 is removed, and the inner filter 24 is taken out of the rainwater permeating mass 10. At this time, when the state in the outer filter 22 is observed and solid matter does not appear to be contained, only the solid matter in the inner filter 24 is removed, and the inner filter 24 is returned to its original state. On the other hand, if solid matter is accumulated in the outer filter 22, not only the solid matter in the inner filter 24 but also the outer filter 22 is taken out by lifting the plate 20, and the solid matter in the outer filter 22 is also removed. remove. And if it removes, it will return to rainwater infiltration 10 in order of the outer side filter 22 and the inner side filter 24.

このように、プレート20に通水孔30へ向かう下り勾配を付けて、プレート20を漏斗状に形成することにより、固形物がプレート20上に溜まりにくい。このため、雨水浸透ます10を維持管理する際にプレート20上の固形物を除去する必要がなく、これを除去する時間および手間が省ける。   As described above, the plate 20 is provided with a downward gradient toward the water passage hole 30 and the plate 20 is formed in a funnel shape, so that solids are not easily accumulated on the plate 20. For this reason, it is not necessary to remove the solid matter on the plate 20 when maintaining and managing the rainwater infiltration mass 10, and the time and labor for removing this can be saved.

また、固形物がプレート20上に滞留しなければ、この固形物に雨水の流れが阻害されることもないため、雨水はスムーズにプレート20上を流下して、内側フィルタ24へ導かれる。よって、雨水が内側フィルタ24に入らず、道路などを冠水させる危険性は少なくなる。また、雨水の内側フィルタ24へ向かう流れが確保されるため、雨水浸透ます10の雨水の集水力は低下しない。さらに、雨水に含まれる固形物は主に内側フィルタ24に溜められることにより、内側フィルタ24のごみ除去機能は維持される。   Further, if the solid matter does not stay on the plate 20, the flow of rainwater is not hindered by the solid matter, so that the rainwater smoothly flows down on the plate 20 and is guided to the inner filter 24. Therefore, the risk of rainwater not entering the inner filter 24 and flooding the road or the like is reduced. Moreover, since the flow toward the inner filter 24 of rainwater is ensured, the rainwater permeation capacity of 10 rainwater permeating will not be reduced. Further, the solid matter contained in the rainwater is mainly stored in the inner filter 24, so that the dust removing function of the inner filter 24 is maintained.

なお、図2(B)および図2(C)に示すようにプレート20の傾斜面32を平らにしたが、図4に示すようにプレート20の傾斜面54を曲面にして、プレート20をおわん形状に形成することもできる。   2B and 2C, the inclined surface 32 of the plate 20 is flattened. However, the inclined surface 54 of the plate 20 is curved as shown in FIG. It can also be formed into a shape.

また、図1で示すようにプレート20を雨水浸透ます10の段部38などに引っ掛けて、外側フィルタ22をプレート20に取り付けた。これに対して、図5に示すように平坦なプレート56を雨水浸透ます10の段部38などに引っ掛けて、外側フィルタ22を平坦なプレート56に取り付けて、平坦なプレート56の上に漏斗状のプレート58を載せることもできる。この平坦なプレート56は従来一般的に用いられているマスプレートと同様で、その中心に通水孔57を有する。漏斗状のプレート58は、図6(A)〜図6(C)に示すように、図2(A)に示すプレート20と同様であるが、図6(B)に示すようにプレート58の短辺の両端に係止部36が形成されていない点が異なる。この場合、漏斗状のプレート58を既設のマスプレートに取り付けることにより、簡単に雨水浸透ます10の維持管理の省力化などが図られる。   Further, as shown in FIG. 1, the outer filter 22 was attached to the plate 20 by hooking the plate 20 on the step 38 of the rainwater infiltrating 10. On the other hand, as shown in FIG. 5, the flat plate 56 is hooked on the step 38 of the rainwater infiltrating 10 and the outer filter 22 is attached to the flat plate 56. The plate 58 can also be placed. This flat plate 56 is the same as a mass plate generally used conventionally, and has a water passage hole 57 at the center thereof. The funnel-shaped plate 58 is the same as the plate 20 shown in FIG. 2 (A) as shown in FIGS. 6 (A) to 6 (C). However, as shown in FIG. The difference is that the locking portions 36 are not formed at both ends of the short side. In this case, by attaching the funnel-shaped plate 58 to the existing mass plate, it is possible to easily save labor for maintenance of rainwater penetration 10.

さらに、細孔50の大きさは細孔40の大きさに比べて大きくしたが、細孔40の大きさと細孔50の大きさを同じにすることもできる。   Furthermore, although the size of the pore 50 is larger than the size of the pore 40, the size of the pore 40 and the size of the pore 50 can be the same.

そして、この細孔40および50の大きさをフィルタ22および24における位置により変化させずに均一にした。これに対して、図7(A)および図7(B)に示すように、細孔40および50の大きさをフィルタ22および24の上から下へ向かって小さくし、かつ最も上に位置する細孔50の大きさを最も下に位置する細孔40の大きさよりも小さく形成することもできる。これにより、全ての細孔50の大きさはどの細孔40の大きさより小さくなるため、内側フィルタ24で捕獲することができずに細孔50を通過したごみを外側フィルタ22で捕獲し除去することができる。また、細孔40、50の大きさをフィルタ22、24の上に向かうほど大きくすることにより、フィルタ22、24内にごみが堆積するに伴い、細孔40、50の大きさが大きくなりフィルタ22、24の捕獲力が弱まり、フィルタ22、24における水路が確保される。   The sizes of the pores 40 and 50 were made uniform without being changed depending on the positions in the filters 22 and 24. On the other hand, as shown in FIGS. 7A and 7B, the sizes of the pores 40 and 50 are reduced from the top to the bottom of the filters 22 and 24 and are positioned at the top. It is also possible to form the pores 50 smaller than the lowest pores 40. Thereby, since the size of all the pores 50 is smaller than the size of any pore 40, the dust that cannot be captured by the inner filter 24 and passes through the pores 50 is captured and removed by the outer filter 22. be able to. Further, by increasing the size of the pores 40 and 50 toward the top of the filters 22 and 24, the size of the pores 40 and 50 increases as dust accumulates in the filters 22 and 24. The catching power of 22 and 24 is weakened, and water channels in the filters 22 and 24 are secured.

図8に示すこの発明の他の実施例である雨水浸透ます10は、図1に示す雨水浸透ます10とほぼ同じであるが、プレート20の形状および内側フィルタ24の配置方法が異なる。これ以外の部分に関しては図1実施例の示す雨水浸透ます10と同様であるため、説明は省略する。   8 is substantially the same as the rainwater infiltration basin 10 shown in FIG. 1, but the shape of the plate 20 and the arrangement method of the inner filter 24 are different. The other parts are the same as the rainwater permeation tank 10 shown in FIG.

図8および図9(A)〜図9(C)に示すプレート60は矩形状に形成され、その大きさは蓋14の主流入口28および流入口26が形成されている範囲より大きい。プレート60の中心よりずれた位置、つまり、プレート60の短辺の一方端側(図9(A)の上側)に矩形状の通水孔30が形成される。プレート60には通水孔30に向かって下がる勾配が付けられ、図9(B)に示すように、短辺の一方端側の面62は急傾斜に形成され、他方端側の面64は緩やかな傾斜に形成される。そして、この急傾斜面62が主流入口28側になるようにして、係止部36は雨水浸透ます10の段部38などに引っ掛けられる。これにより、通水孔30は主流入口28側に配置される。   The plate 60 shown in FIGS. 8 and 9A to 9C is formed in a rectangular shape, and the size thereof is larger than the range where the main inlet 28 and the inlet 26 of the lid 14 are formed. A rectangular water passage hole 30 is formed at a position shifted from the center of the plate 60, that is, at one end of the short side of the plate 60 (upper side in FIG. 9A). As shown in FIG. 9B, the surface 60 on one end side of the short side is formed in a steep slope, and the surface 64 on the other end side is formed on the plate 60. It is formed with a gentle slope. Then, with the steeply inclined surface 62 on the main inflow port 28 side, the engaging portion 36 is hooked on the ten step portions 38 or the like that penetrates rainwater. Thereby, the water flow hole 30 is arrange | positioned at the mainstream inlet 28 side.

内側フィルタ24は図1に示す内側フィルタ24と同様であるが、図10に示すように、内側フィルタ24の底面に2つの脚部66が取り付けられている点が異なる。2つの脚部66はそれぞれ底面の隣り合う2つの角に取り付けられる。このため、図8に示すように、内側フィルタ24は傾く。そして、脚部66の付いた側を主流入口28側と反対側に配置することにより、内側フィルタ24の上端開口24aが主流入口28に向かって傾き、内側フィルタ24の上端開口24aは主流入口28側に偏らせられる。   The inner filter 24 is the same as the inner filter 24 shown in FIG. 1 except that two legs 66 are attached to the bottom surface of the inner filter 24 as shown in FIG. The two leg portions 66 are respectively attached to two adjacent corners of the bottom surface. For this reason, as shown in FIG. 8, the inner filter 24 is inclined. By arranging the side with the leg 66 on the side opposite to the main inlet 28 side, the upper end opening 24 a of the inner filter 24 is inclined toward the main inlet 28, and the upper end opening 24 a of the inner filter 24 is inclined to the main inlet 28. Biased to the side.

雨が降ると、雨水は流入口26および主流入口28から雨水浸透ます10内に流入し、大きな固形物を含む雨水は主に主流入口28から流入する。そして、固形物は急傾斜面62を滑り落ち、主流入口28側に配置される通水孔30を通過して、主流入口28側に向かって開口する内側フィルタ24へ入る。このため、固形物を含む雨水は、内側フィルタ24と外側フィルタ22との間の隙間を通って、外側フィルタ22に直接流入することはほとんどない。そして、雨水は、内側フィルタ24で大きな固形物が除去され、外側フィルタ20に流入して、外側フィルタ20で小さな固形物が除去されてから、浸透孔16などから地中に浸透する。   When it rains, rainwater flows into the rainwater infiltrate 10 from the inlet 26 and the main inlet 28, and rainwater containing large solids mainly flows from the main inlet 28. Then, the solid matter slides down the steeply inclined surface 62, passes through the water passage hole 30 disposed on the main flow inlet 28 side, and enters the inner filter 24 that opens toward the main flow inlet 28 side. For this reason, the rainwater containing solid matter hardly flows directly into the outer filter 22 through the gap between the inner filter 24 and the outer filter 22. The rainwater is removed from the solid filter 24 by the inner filter 24 and flows into the outer filter 20. After the small solid substance is removed by the outer filter 20, the rainwater penetrates into the ground through the permeation holes 16.

このように、通水孔30の位置をプレート60の中心より偏らせることにより、急傾斜面62が形成されるため、主流入口28から流入した固形物は急傾斜面62に容易にプレート60上を滑り落ちて、プレート60上に付着しにくい。このため、雨水浸透ます10を維持管理する際にプレート60上の固形物を処理する必要が少なく、処理手間や時間などがかからない。   Thus, since the steeply inclined surface 62 is formed by deviating the position of the water passage hole 30 from the center of the plate 60, the solid matter flowing in from the main inflow port 28 easily reaches the steeply inclined surface 62 on the plate 60. Slipping down and sticking on the plate 60 is difficult. For this reason, it is not necessary to process the solid matter on the plate 60 when maintaining and managing the rainwater permeation mast 10, and processing effort and time are not required.

また、内側フィルタ24に脚部66を設けると、内側フィルタ24の開口を主流入口28側に簡単かつ確実に偏らせることができるため、固形物を内側フィルタ24にスムーズに入れることができる。これにより、雨水浸透ます10の維持管理において外側フィルタ22の固形物を処理する必要が少なく、省力化が図られる。   Further, when the leg portion 66 is provided in the inner filter 24, the opening of the inner filter 24 can be easily and reliably biased toward the main inflow port 28 side, so that the solid matter can be smoothly put into the inner filter 24. Thereby, it is less necessary to process the solid matter of the outer filter 22 in the maintenance management of the rainwater permeating mast 10, and labor saving is achieved.

なお、図8の雨水浸透ます10では漏斗状のプレート60を用いたが、図11に示すように平坦なプレート56を用いることもできる。この平坦なプレート56は、図5と同様に、従来一般的に用いられているマスプレートであって、その中心に通水孔57を有する。   In addition, although the funnel-shaped plate 60 was used in the rainwater infiltration mast 10 in FIG. 8, a flat plate 56 can also be used as shown in FIG. The flat plate 56 is a mass plate that is generally used in the related art as in FIG. 5 and has a water passage hole 57 at the center thereof.

また、図10に示す脚部66を内側フィルタ24の底面に取り付けたが、脚部66を外側フィルタ22の内面に取り付けることもできる。   Further, although the leg portion 66 shown in FIG. 10 is attached to the bottom surface of the inner filter 24, the leg portion 66 can be attached to the inner surface of the outer filter 22.

この脚部66を2つ内側フィルタ24の底面に取り付けたが、1つの横長の長尺物を脚部として内側フィルタ24の底面に取り付けることもできる。   Although the two leg portions 66 are attached to the bottom surface of the inner filter 24, one horizontally long object can be attached to the bottom surface of the inner filter 24 as a leg portion.

さらに、脚部66を内側フィルタ24の底面に取り付けたが、脚部66を内側フィルタ24の底面に取り付けずに、内側フィルタ24を主流入口28側に寄せてもよい。   Furthermore, although the leg portion 66 is attached to the bottom surface of the inner filter 24, the inner filter 24 may be brought closer to the main inlet 28 without attaching the leg portion 66 to the bottom surface of the inner filter 24.

この発明の一実施例の雨水浸透ますを示す断面図である。It is sectional drawing which shows the rainwater penetration | invasion mask of one Example of this invention. (A)は図1の雨水浸透ますに用いられるプレートを示す平面図であり、(B)は(A)のプレートの縦断面図であり、(C)は(A)のプレートの横断面図である。(A) is a top view which shows the plate used for the rainwater penetration mast of FIG. 1, (B) is a longitudinal cross-sectional view of the plate of (A), (C) is a cross-sectional view of the plate of (A) It is. 図1の雨水浸透ますの上面を示す平面図である。It is a top view which shows the upper surface of the rainwater permeable mast of FIG. この発明の別の実施例の雨水浸透ますに用いられるプレートを示す断面図である。It is sectional drawing which shows the plate used for the rainwater osmosis | permeation masu of another Example of this invention. この発明のさらに別の実施例の雨水浸透ますを示す部分断面図である。It is a fragmentary sectional view which shows the rainwater penetration | invasion masu of another Example of this invention. (A)は図5の雨水浸透ますに用いられるプレートを示す平面図であり、(B)は(A)のプレートの縦断面図であり、(C)は(A)のプレートの横断面図である。(A) is a top view which shows the plate used for the rainwater permeable mast of FIG. 5, (B) is a longitudinal cross-sectional view of the plate of (A), (C) is a cross-sectional view of the plate of (A) It is. (A)はこの発明のさらに別の実施例の雨水浸透ますに用いられる外側フィルタを示す平面図であり、(B)は(A)の外側フィルタの中に重ねられる内側フィルタを示す平面図である。(A) is a top view which shows the outer side filter used for the rainwater penetration | infiltration masu of another Example of this invention, (B) is a top view which shows the inner side filter piled up in the outer side filter of (A). is there. この発明のさらに別の実施例の雨水浸透ますを示す断面図である。It is sectional drawing which shows the rainwater penetration | invasion mask of another Example of this invention. (A)は図8の雨水浸透ますに用いられるプレートを示す平面図であり、(B)は(A)のプレートの縦断面図であり、(C)は(A)のプレートの横断面図である。(A) is a top view which shows the plate used for the rainwater permeable mast of FIG. 8, (B) is a longitudinal cross-sectional view of the plate of (A), (C) is a cross-sectional view of the plate of (A). It is. 図8の雨水浸透ますに用いられる内側フィルタを示す斜視図である。It is a perspective view which shows the inner side filter used for the rainwater permeable mast of FIG. この発明のさらに別の実施例の雨水浸透ますを示す断面図である。It is sectional drawing which shows the rainwater penetration | invasion mask of another Example of this invention.

符号の説明Explanation of symbols

10…雨水浸透ます
12…雨水浸透ますの上端開口
14…蓋
20、58、60…プレート
22…外側フィルタ
24…内側フィルタ
24a…内側フィルタの上端開口
28…主流入口
30…通水孔
DESCRIPTION OF SYMBOLS 10 ... Rain water penetration 12 ... Upper end opening of rain water penetration 14 ... Cover 20, 58, 60 ... Plate 22 ... Outer filter 24 ... Inner filter 24a ... Upper end opening of inner filter 28 ... Main flow inlet 30 ... Water flow hole

Claims (3)

上端に開口を有する雨水浸透ますであって、
前記開口に取り付けられ、かつ前記開口の一方側縁側に主流入口が形成される蓋、
通水孔を有し、かつ前記通水孔に向かって下がる勾配が付けられたプレート、および
前記プレートの下方に設けられるごみ除去フィルタを備え
前記主流入口の鉛直下方向に前記プレートの傾斜面を位置させ、前記ごみ除去フィルタは、前記主流入口から流入し、かつ前記傾斜面および前記通水孔を経た雨水を受ける、雨水浸透ます。
Rainwater infiltration with an opening at the upper end,
A lid attached to the opening and having a main flow inlet formed on one side edge of the opening;
A plate having a water flow hole and having a slope that is lowered toward the water flow hole; and a dust removal filter provided below the plate ,
The positions the inclined surface of the plate to the main entrance of the vertically downward direction, the dust removing filter, flows from the main flow inlet, and the inclined surface and Ru receive rain water passed through the water flow hole, dry well.
前記蓋は、前記上端開口の一方側縁側に向かって下がるように傾けられ、その一方側縁側に前記主流入口が形成される、請求項1記載の雨水浸透ます。The rainwater infiltration according to claim 1, wherein the lid is inclined so as to be lowered toward one edge side of the upper end opening, and the main inlet is formed on one edge side thereof. 上端に開口を有する雨水浸透ますであって、
前記開口に取り付けられ、かつ前記開口の一方側縁側に主流入口を有する蓋
通水孔を有し、かつ前記通水孔に向かって下がる勾配が付けられたプレート、および
前記プレートの下方に設けられるごみ除去フィルタを備え、
前記ごみ除去フィルタは外側フィルタおよび前記外側フィルタの中に重ねられた少なくとも1つの内側フィルタを含み、
前記主流入口側に前記内側フィルタの上端開口を偏らせた、雨水浸透ます。
Rainwater infiltration with an opening at the upper end,
Lid having a primary inlet at one side edge of the mounted and pre KiHiraki port to said opening,
A plate having a water flow hole and having a slope that is lowered toward the water flow hole; and
A dust removal filter provided below the plate ;
The dust removal filter comprises an outer filter and at least one inner filter overlaid within the outer filter;
Said the mainstream inlet side to bias the upper end opening of the inner filter, Masu rain water penetration.
JP2005248604A 2005-08-30 2005-08-30 Rainwater penetration Active JP4508986B2 (en)

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JP5224388B2 (en) * 2009-05-13 2013-07-03 小山工業株式会社 Osmosis device filter and osmosis device
JP5466585B2 (en) * 2010-06-18 2014-04-09 積水化学工業株式会社 Rainwater filter
KR101232122B1 (en) 2012-07-17 2013-02-12 전북대학교산학협력단 Filter for drain box
KR101753901B1 (en) * 2015-03-12 2017-07-04 주식회사 에코스타 Filter combined with small filtering bag, apparatus therefor and facitility thereof
CN109629652A (en) * 2018-12-13 2019-04-16 广州市水电建设工程有限公司 A kind of water purification system applied to sponge city
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JPH02186022A (en) * 1989-01-13 1990-07-20 Masuji Oi Diversion device
JPH02282535A (en) * 1989-04-25 1990-11-20 Masuji Oi Infiltrated rain water box
JPH0356298U (en) * 1989-10-03 1991-05-30
JPH057777U (en) * 1991-07-08 1993-02-02 前田工繊株式会社 Filter for rainwater infiltration
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JPS5779663U (en) * 1980-10-31 1982-05-17
JPS5992793U (en) * 1982-12-13 1984-06-23 東京都 Lid for seepage basin
JPH02186022A (en) * 1989-01-13 1990-07-20 Masuji Oi Diversion device
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