KR101596785B1 - A backdraft manhole cover of rainwater detention - Google Patents

A backdraft manhole cover of rainwater detention Download PDF

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Publication number
KR101596785B1
KR101596785B1 KR1020140141244A KR20140141244A KR101596785B1 KR 101596785 B1 KR101596785 B1 KR 101596785B1 KR 1020140141244 A KR1020140141244 A KR 1020140141244A KR 20140141244 A KR20140141244 A KR 20140141244A KR 101596785 B1 KR101596785 B1 KR 101596785B1
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KR
South Korea
Prior art keywords
backflow
manhole cover
hole
manhole
inflow
Prior art date
Application number
KR1020140141244A
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Korean (ko)
Inventor
양국승
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양국승
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Priority to KR1020140141244A priority Critical patent/KR101596785B1/en
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Publication of KR101596785B1 publication Critical patent/KR101596785B1/en

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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/02Manhole shafts or other inspection chambers; Snow-filling openings; accessories
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/12Manhole shafts; Other inspection or access chambers; Accessories therefor
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/12Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14Covers for manholes or the like; Frames for covers
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/04Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps

Abstract

In order to prevent backflow of the storm and float of the manhole cover, the present invention is characterized in that it is provided with a plurality of openings for opening and closing a manhole opening by being connected to a support block (4) 1. A backflow preventive manhole cover for an uptake having an inflow hole (2); And a plate-shaped body (3) having the inlet hole (2) formed so as to penetrate up and down;
On the lower part of the body 3, there is provided a backflow prevention valve 4 which is rotatably fastened to the support block 4 to close the lower portion of the pipe 6 by receiving the reverse flow pressure of the reverse flow water, A plate 100 is provided;
The inlet hole 2 is narrower than the inlet hole 7 through which the storm is introduced and the one side connecting the outlet 8 from the inlet hole 7 is narrowed downward. A photograph slope (9); The inflow hole 2 is radially arranged at a center C of a part of the body 3 so that the inflow hole 2 is formed so as to be concentrated at the center C, To provide a backflow-resistant manhole cover.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a manhole cover for rainwater,

The present invention relates to a manhole cover that closes an opening of a manhole for an excellent storage provided on the roadside and introduces the stormwater into the storage tank for treatment and more particularly to a manhole cover for preventing the backflow of the storm To a backflow preventing manhole cover for storage.

Generally, a manhole for introducing stormwater into the reservoir at a certain interval is provided at a residence, a commercial district, or a roadside, and is discharged through a storm channel to a stormwater tank.

That is, a plurality of manholes are formed on the road so as to induce storms on the storm water channel connected to the stormwater storage system, and the manhole is provided with a manhole cover having a plurality of inflow holes for closing the manhole, As shown in Fig.

As shown in FIG. 1, the conventional structure of the manhole is such that a support block embedded in the ground with pipes vertically penetrating through the opening of the cement block communicated with the sewage pipe And a manhole cover having a plurality of inflow holes formed therein for opening and closing the pipe and penetrating the pipe up and down to guide the rainwater to the cement block is fitted and fixed in the pipe hole of the support block.

That is, it is possible to introduce and collect the storm gathered on the road side through the inflow hole of the manhole cover, and to discharge the stormwater to the stormwater channel and to flow to the stor- age stor- age tank.

 The above-described manholes for stor- ing the high-quality manholes accumulate various kinds of foreign matter introduced along with the stor- age on the bottom surface of the cement block, and the odor is generated by the foreign matter and is discharged to the outside through the inflow hole to pollute the surrounding environment There is a problem.

Accordingly, an operation for separating the manhole cover from the manhole, opening the pipe, and removing foreign matter has been performed.

In addition, since the excessive amount of storm is introduced into the storm water channel through the inflow hole at once in the summer rainy season, the discharge pressure induced to the outside from the day pipeline is higher than the inflow pressure of stormwater through the inflow hole, It can also cause dangerous sailing.

In recent years, various devices and equipments have been proposed for solving the problems caused by backwash of storm as described above. As one of them, Korean Patent Registration No. 10-1193342 entitled " And a lid for covering the upper end of the drainage unit and forming a drainage unit and a lattice-shaped hole that are seated in the support block and installed on the rainwater drainage pipe as described in the publication A pair of partition walls arranged vertically in the main body to divide the spaces and to form ventilation holes, and a plurality of partition walls, Wherein the partition wall is formed of an elastic piece which is mounted on an inner wall surface of the partition wall and which opens or blocks the cannula hole, And a lid having a rib formed thereon is formed with an engaging step formed at an upper end portion between the partition walls.

That is, the water hole is closed through the elastic plate to prevent the generation of odor and reverse flow.

However, the conventional manhole has a problem in that the structure for preventing reverse flow of the rainwater is complicated and the economical efficiency is low.

In addition, although it is easy to prevent backflow of stormwater, when the inflow pressure of stormwater is low due to inconvenience of inflow of stormwater, there is a problem that the stormwater can not be properly introduced into the stormwater tank.

SUMMARY OF THE INVENTION The present invention has been proposed in order to solve the above-mentioned problems of the prior art. It is an object of the present invention to provide an apparatus and a method for manufacturing the same, The reverse flow of the manhole cover can be made inconvenient to prevent the reverse flow of the rainwater, and at the same time, the opening area of the manhole can be selectively selected in accordance with the characteristics of the maintenance work, thereby making it possible to work comfortably and to stably prevent the theft of the manhole cover So that it is possible to prevent the backflow of the manhole cover.

In order to accomplish the above object, the present invention provides a backflow preventive manhole cover for an excellent storage, comprising: a manhole disposed at an upper portion of a manhole communicated with an uppipe channel and coupled to a pedestal block having a pipe passing vertically, 1. A backflow preventive manhole cover for an excellent storage, comprising: a plurality of inflow holes for opening and closing a sphere; And a plate-like body formed so that the inflow hole penetrates up and down; And a backflow prevention plate coupled to the bottom of the body so as to be pivotally connected to the support block to close the lower portion of the pipe to receive backflow of the backflow water to prevent reverse flow of the backflow.

 Wherein the inlet hole has a narrow outlet for discharging the rainwater than the inlet for receiving the rainwater, wherein one side connecting the outlet from the inlet is formed of a downward sloping slope; The inflow hole is radially arranged around a part of the body so that the inflow hole is guided into the vortex shape as the inflow is introduced into the center.

The body is hinged to a pipe hole of the support block, and is fitted to the coupling hole of an auxiliary lid formed with a coupling hole penetrating upward and downward.

The above-described backflow preventive manhole cover for an excellent storage according to the present invention can be economically provided because of its simple structure and easy to manufacture.

In addition, when the backflow prevention plate is inflowed, the backflow prevention plate receives the inflow pressure of the stormwater to open the pipe to receive the stormwater, and when the stormwater reversely flows, the backflow pressure of the stormwater is applied, So as to prevent backflow of the storm, thereby preventing backflow of the storm and thereby preventing the rise of the manhole cover.

In addition, since the inflow hole formed in the body is formed in a shape of a light-impermeable shape, the inflow pressure is higher than the backflow pressure of the rainwater, so that the backflow of the rainwater can be prevented and the safety of the body can be prevented .

A simple repair of the manhole is performed by opening the body. When the work requiring the equipment is carried out, the auxiliary lid having a wide opening area can be opened and the workability is increased .

In addition, since the auxiliary lid is hinged to the support block embedded in the ground, it is prevented that the auxiliary lid is completely separated, thereby preventing theft.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view showing a use state of a backflow preventing manhole cover for an excellent storage according to an embodiment of the present invention; FIG.
Fig. 2 is a plan view showing a backflow preventing manhole cover for an excellent storage according to the present embodiment. Fig.
3 is a schematic view showing an enlarged view of a portion of a backflow preventing manhole cover for an excellent storage according to the present embodiment.
Fig. 4 is a schematic enlarged partial schematic view showing an operation state of a backflow preventing manhole cover for an excellent storage according to the present embodiment. Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, referring to the accompanying drawings, a description will be made in detail of a backflow preventing manhole cover for an excellent storage according to a preferred embodiment of the present invention.

The embodiments of the present invention can be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. This embodiment is provided to more fully describe the present invention to those skilled in the art. Therefore, the shapes and the like of the elements in the drawings can be exaggeratedly expressed to emphasize a clearer description. It should be noted that in the drawings, the same members are denoted by the same reference numerals. Detailed descriptions of well-known functions and constructions which may be unnecessarily obscured by the gist of the present invention are omitted.

1 to 4 are views showing a backflow preventive manhole cover for an excellent storage according to an embodiment of the present invention. The backflow preventive manhole cover 1 for an excellent storage according to the present embodiment includes a plurality of inflow holes (Not shown) and is connected to a support block 4 disposed at an upper portion of a manhole communicated with an unillustrated pipeline (not shown) to open / close the manhole and introduce the rainwater to the unsealed reservoir.

The manhole is provided with a support block (4) having a pipe hole (6) vertically penetrating through the opening of a cement block (5) communicated with an unillustrated sewage pipe and embedded in the ground, It is preferable that the pipe 6 of the block 4 has a structure in which the manhole cover 1 is fitted and joined.

In other words, it is possible to introduce and collect the storm gathered along the roadway through the inflow hole 2 of the manhole cover 1, and to discharge the stormwater to the stormwater channel and to flow to the stor- age stor- age tank.

The manhole cover 1 according to the present embodiment thus constructed has a plate-like body 3 in which the inflow hole 2 is formed so as to penetrate up and down; The inlet hole (2) has a narrow outlet (8) through which the outlet is discharged as compared with the inlet (7) through which the storm is introduced.

That is, as shown in FIG. 4, the inflow hole 2 formed in the body 3 is formed in a shape of a light-impermeable shape, so that the inflow pressure is higher than the backflow pressure of the outflow, As a matter of course, the body 3 is floated, thereby preventing a safety accident from occurring.

The inflow hole 2 preferably has an inclined surface 9 whose one side connecting the outlet 8 at the inlet 7 is inclined downward.

That is, the rainwater flowing into the inlet 7 is discharged to the outlet 8 through the inclined surface 9, so that the rainwater can be easily formed as the rainwater is introduced at an inclined angle.

Therefore, it is possible to effectively increase the inflow pressure of the storm, and to efficiently reduce the backwash pressure of the storm.

In the manhole cover 1 according to the present embodiment, on the lower part of the body 3, a pair of guide shafts 6a and 6b are rotatably coupled to the support block 4, And a backflow preventing plate 100 for closing the lower portion of the backflow preventing plate 100 to prevent reverse flow of the backflow.

Accordingly, when the backflow prevention plate 100 receives the inflow pressure of the storm surge, the pipe 6 is opened to receive the stormwater, and when the stormwater reversely flows, 6 are closed to prevent the backflow of the storm, thereby preventing backflow of the storm and thereby preventing the rise of the manhole cover 1. [

A sealing member 110 is provided on a surface of the backflow prevention plate 100 which is in contact with a lower peripheral surface of the tube 6 so that the backflow prevention plate 100 and the upper air passage 6 So that it is possible to prevent backflow of the droplet even more firmly.

In the manhole cover 1 according to the present embodiment, the inflow hole 2 is formed in such a manner that a part of the body 3 is radially arranged at the center C, So that it is induced in a vortex shape.

Thus, the inflow of rainwater can be smoothened more smoothly.

The inclined surface 9 is preferably formed on a surface having a longitudinal direction from the inner side surface of the inflow hole 2 to the side of the center C, So as to form a vortex.

In the manhole cover 1 according to the present embodiment as described above, the body 3 is provided with a hinge 10 connected to the pipe hole 6 of the support block 4, 11 are formed to be engaged with the engaging holes 11 of the auxiliary lid 12 formed therein.

That is, when the body 3 is engaged with the auxiliary lid 12 having a larger area than the body 3, the auxiliary lid 12 is engaged with the base block 4 to open / .

Therefore, the simple maintenance of the manhole can be performed by opening the body 3, and when the work requiring the equipment is carried out, the auxiliary lid 12 having a wide opening area can be opened and the operation Gender is increased.

The auxiliary lid 12 is coupled to the supporting block 4, which is embedded in the ground, with the hinge 10, thereby preventing the auxiliary lid 12 from being separated completely, thereby preventing theft.

It is preferable that the body 3 is coupled to the auxiliary lid 12 through a hinge 10a.

It is preferable that the body 3 is disposed at a position biased on one side (preferably a road side) on the auxiliary lid 12. In this case, So that the inflow of rainwater on the road side can be cleaned more neatly.

As described above, the backflow preventive manhole cover for an excellent storage according to the present invention has a shape in which the inflow hole formed in the body is in a shape of a light-impermeable lowering, so that the inflow pressure is higher than the backflow pressure of the storm, As well as to prevent the floating of the manhole cover.

It will be apparent to those skilled in the art that various modifications and equivalent arrangements may be made therein without departing from the scope of the present invention as defined by the appended claims and their equivalents. . Therefore, it is to be understood that the present invention is not limited to the above-described embodiments. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims. It is also to be understood that the invention includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

1: Manhole cover 2: Inflow hole
3: Body 4: Base block
5: Cement block 6: pipe
7: entrance 8: exit
9: slope 10, 10a: hinge
11: engaging hole 12: auxiliary lid
100: backflow preventing plate 110: sealing member

Claims (3)

1. A backflow preventive manhole cover for an excellent storage, comprising: a plurality of inlet holes connected to a support block disposed at an upper portion of a manhole communicated with an overflow channel to open and close an opening of the manhole;
The backflow preventive manhole cover for an excellent storage includes a plate-shaped body and an auxiliary lid formed to penetrate the inflow hole up and down;
And a backflow preventing plate coupled to the bottom of the body so as to be pivotable about the supporting block to close the lower portion of the tube to receive backflow pressure of the backflow water to prevent reverse flow of the backflow;
The inflow hole
Wherein the outlet port through which the rainwater is discharged is narrower than the inlet port through which the rainwater is introduced, wherein one side connecting the outlet from the inlet is formed of a downward sloping inclined surface;
The inflow hole
Wherein the swirling-type manhole cover is arranged radially with respect to a part of the body, and the swirling-like manhole cover is guided into the vortex shape as the swirls are gathered at the center.
The method of claim 1, further comprising:
The body,
Wherein the coupling hole is hinged to a pipe hole of the support block and is fitted to the coupling hole of the auxiliary lid formed with a coupling hole penetrating up and down.

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KR1020140141244A 2014-10-18 2014-10-18 A backdraft manhole cover of rainwater detention KR101596785B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020140141244A KR101596785B1 (en) 2014-10-18 2014-10-18 A backdraft manhole cover of rainwater detention

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020140141244A KR101596785B1 (en) 2014-10-18 2014-10-18 A backdraft manhole cover of rainwater detention

Publications (1)

Publication Number Publication Date
KR101596785B1 true KR101596785B1 (en) 2016-03-07

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101865757B1 (en) * 2017-12-06 2018-06-08 김기성 Water treatment device for low impact development
KR101966986B1 (en) * 2018-12-21 2019-04-08 주식회사 일산금속 Manhole cover structure to enhance drainage
KR20200061887A (en) 2018-11-26 2020-06-03 조정윤 Cover device for rainwater-manhole

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090114740A (en) * 2008-04-30 2009-11-04 서울특별시 Check valve for manhole
KR20110017130A (en) * 2009-08-13 2011-02-21 이병상 Hinge type double manhole cover
KR20120042190A (en) * 2010-10-22 2012-05-03 최영종 Prevention manhole for counterflow and foul smell

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090114740A (en) * 2008-04-30 2009-11-04 서울특별시 Check valve for manhole
KR20110017130A (en) * 2009-08-13 2011-02-21 이병상 Hinge type double manhole cover
KR20120042190A (en) * 2010-10-22 2012-05-03 최영종 Prevention manhole for counterflow and foul smell

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101865757B1 (en) * 2017-12-06 2018-06-08 김기성 Water treatment device for low impact development
KR20200061887A (en) 2018-11-26 2020-06-03 조정윤 Cover device for rainwater-manhole
KR101966986B1 (en) * 2018-12-21 2019-04-08 주식회사 일산금속 Manhole cover structure to enhance drainage

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