KR200303595Y1 - drainpipe anti-closed device of manhole - Google Patents

Abstract

The inlet of the drain pipe is formed to protrude from the bottom of the manhole, and the suspended solids including liquids are discharged to the sewer through the drain pipe, and the wastes filtered by the filtering means are collected in a double structure by drawing out the collection container in the manhole. In order to prevent the drain pipe from being blocked by the inflow of foreign substances, the sewer pipe connected to the sewage treatment plant and the manhole collecting rainwater or sewage are connected to a manhole having a drain pipe for discharging rainwater collected in the manhole to the sewer pipe. In this case, an inlet of the drain pipe penetrates the bottom surface to protrude therein, a filtering means for preventing foreign substances from entering the manhole from being introduced into the drain pipe, and an outlet is formed at an upper end to accommodate the protrusion of the drain pipe. The boss has an inner cylinder formed in the center and retractably embedded in the outer cylinder.

Description

Drainpipe anti-closed device of manhole

The present invention relates to a manhole drainage blockage preventing device to collect the rainwater or sewage, and to prevent foreign substances from entering the clogged drainage pipe of the manhole discharged to the sewer pipe connected to the sewage treatment plant.

More specifically, the inlet of the drain pipe is formed to protrude from the bottom surface of the manhole so that suspended matter particles including liquid are discharged to the sewer pipe through the drain pipe, and the wastes filtered by the filtering means are installed in the manhole in a double structure. The present invention relates to a manhole drainage blockage preventing device which can prevent the drainage pipe from being clogged due to the inflow of foreign substances as the container is drawn out and collected.

As shown in Figure 1, the manhole structure according to the prior art, the manhole (1) is embedded in one side of the sidewalk or road, the rainwater or sewage is collected through the lid (1a), and the sewage treatment plant buried underground ( (Not shown) and the inlet is connected to the bottom of the manhole (1) and the outlet is connected to the sewer (2) to discharge rainwater collected in the manhole (1) to the sewer (2) It consists of the drain pipe 3.

In the manhole structure as described above, when rainwater or sewage is introduced into the manhole 1, when soil or the like flows in and sludge deposited on the bottom surface of the manhole 1 is deposited for a long time, the bottom surface of the manhole 1 Since the corrosion is required to replace it has a problem that the maintenance cost is increased.

In addition, when a large amount of lumps, such as sludge deposited on the bottom surface of the manhole 1 or a large garbage passing through the lid 1a flows into the drain pipe 3 and is blocked, when the rain falls intensively, such as rainy season rain showers In (1), there is a problem that can cause a safety accident due to flooding the road surface because it can not collect smoothly.

In addition, the drain pipe (3) is connected to the curved shape through the elbows coupled in the middle and connected to the sewer pipe (2) is buried underground, so it is difficult to drill the blocked portion of the drain pipe (3) to the new drain pipe (3) There is a problem that needs to be replaced.

It is an object of the present invention to provide a drainage blockage preventing device of a manhole that can prevent the rainwater collected in the manhole or waste included in sewage, etc., from entering the drainage pipe by a filtration means formed at the inlet side of the drainage pipe. .

Another object of the present invention is to remove the sediment, such as sludge deposited in the manhole by removing the collection container inside the manhole formed in a double structure to facilitate the collection of sediment, and to prevent the manhole corrosion, significantly extending the service life It is to provide a clogging device for the drain pipe of the manhole.

1 is a schematic diagram of a manhole structure according to the prior art,

Figure 2 is an exploded perspective view of the main portion of the drainage blockage preventing device of the manhole according to an embodiment of the present invention,

Figure 3 is an excerpt sectional view of the main portion of the drainage blockage preventing device of the manhole according to an embodiment of the present invention,

Figure 4 is a state of use of the clogging of the drain pipe of the manhole according to an embodiment of the present invention,

5 is an excerpt sectional view of the main portion of the manhole drainage blockage preventing device according to another embodiment of the present invention,

Figure 6 is an excerpt sectional view of the main portion of the manhole drainage blockage preventing device according to another embodiment of the present invention.

* Explanation of symbols used in the main part of the drawing

10; drain

10a; Strainer

10b; Inflow hole

20; Outer case

30; Inner case

30a; flange

30b; incline

30c; projection part

30d; handle

30f; Strainer

30 g; boss

An object of the present invention described above, in the manhole having a drain pipe for connecting the sewer pipe connected to the sewage treatment plant and the manhole for collecting rainwater or sewage to discharge the rainwater collected in the manhole to the sewage pipe, the inlet of the drain pipe The outer tube is formed to protrude through the inside, the filtering means for preventing the foreign substances flowing into the manhole to prevent the inflow into the drain pipe, a discharge port is formed at the top and the boss for receiving the protrusion of the drain pipe is formed in the center It is achieved by providing an apparatus for preventing clogging the drainage pipe of the manhole, characterized by having an inner cylinder retractably embedded in the outer cylinder.

According to a preferred embodiment, the filtering net is formed at the inlet of the drain pipe.

In addition, the inlet hole is perforated in the outer peripheral edge of the drain pipe by the filtering means.

In addition, the filtering net is formed on the upper end of the boss of the inner cylinder.

In addition, the outer surface of the inner cylinder in contact with the outer cylinder is formed as an inclined surface so that the inner cylinder can be easily separated and withdrawn from the outer cylinder.

In addition, a protrusion is formed on an outer surface of the inner cylinder in contact with the outer cylinder so that the inner cylinder can be easily separated and withdrawn from the outer cylinder.

In addition, a handle is formed on the upper end of the inner cylinder.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are intended to describe in detail enough to be able to easily carry out the invention by those skilled in the art to which the present invention belongs. This does not mean that the technical spirit and scope of the present invention is limited.

2 to 6, it is applied to the manhole having a drain pipe for discharging the rainwater collected in the manhole to the sewage pipe by connecting the sewage pipe connected to the sewage treatment plant and the manhole collecting the rainwater or sewage.

As shown in Figure 2 to 4, the manhole drain pipe blockage preventing device according to an embodiment of the present invention, the outer tube 20 (outer) through which the inlet of the drain pipe 10 is formed to project through the bottom surface (outer) case) and a boss (30g) formed at the top and accommodating the protrusion of the drain pipe (10) is formed in the center and the inner cylinder (30) (inner case), which is internally retractable to the outer cylinder (20), the manhole It is formed in the strainer (30f) formed on the upper end of the boss (30g) and the flange (30a) formed on the upper end of the inner cylinder 30 so as to prevent foreign substances, such as waste, to be introduced into the drain pipe (10) and the inner cylinder 30 Grip 30) is provided with a handle (30d) to prevent contact with the contaminated sediment when withdrawing from the outer cylinder (20).

At this time, to form the inclined surface (30b) the outer surface of the inner cylinder 30 in contact with the outer cylinder 20 so that the inner cylinder 30 can be easily separated and withdrawn from the outer cylinder 20 (shown in FIG. 3). ), A protrusion 30c may be formed on the outer surface of the inner cylinder 30 in contact with the outer cylinder 20 (shown in FIG. 5).

In the figure 40 is a sewage pipe which is embedded to collect sewage or rainwater flowing into the manhole through the drain pipe 10 to be moved to the sewage treatment plant, 50 is a lid that can be opened and closed on the upper end of the inner cylinder (30). .

Hereinafter, the operation of the drainage pipe blockage preventing device of the manhole according to an embodiment of the present invention will be described in more detail with reference to the accompanying drawings.

As illustrated in FIG. 4, rainwater or sewage flows into the manhole through the lid 50 mounted on the upper end of the inner cylinder 30 of the manhole installed in a sidewalk or a roadway, and the rainwater collected in the manhole is an outer cylinder ( 20) penetrates the bottom surface and passes through the inlet of the drain pipe 10 formed therein, and is discharged to the sewer pipe 40, wherein the rainwater level flowing into the inner cylinder 30 is discharged from the boss 30g. It will always stay the same height.

At this time, since foreign matters, such as earth and sand, garbage, and suspended matter introduced into the manhole along the rainwater are filtered by the strainer 30f formed on the upper end of the boss 30g of the inner barrel 30, the sediment such as sludge has a bottom surface of the inner barrel 30. Will be precipitated on.

Therefore, after opening the lid 50 mounted on the upper end of the inner cylinder 30, the inner cylinder 30 is drawn out from the outer cylinder 20 by using the handle 30d extended on the upper end of the inner cylinder 30. By removing the precipitate precipitated in the inner barrel 30 it can be collected in a separate collection container or bag.

At this time, the outer surface of the inner cylinder 30 in contact with the outer cylinder 20 is formed as the inclined surface (30b) (shown in Figure 3), or as the projection 30c is formed on the outer surface of the inner cylinder 30 ( 5, the outer surface of the inner cylinder 30 is the inner surface of the outer cylinder 20 due to the weight of sewage and sediment remaining in the inner cylinder 30 by maintaining the same level as the upper end of the boss 30g of the inner cylinder 30. Even if it is in close contact for a long time to the inner cylinder 30 can be easily lifted from the outer cylinder (20).

On the other hand, as shown in Figure 5, the manhole drain pipe blockage preventing device according to another embodiment of the present invention, the drain pipe 10 can be drawn out with respect to the outer cylinder 20 protruding therein through the bottom surface By forming the inner cylinder 30 to be formed in a cylindrical double to correspond to the outer cylinder 20 shape can be reduced manufacturing cost due to the simplified structure of the manhole.

On the other hand, as shown in Figure 6, the manhole drain pipe blockage preventing device according to another embodiment of the present invention, through the bottom surface of the inner cylinder 30 and the outer cylinder 20 is formed through the drain pipe ( By drilling the inlet hole (10b) to filter the foreign matter flowing into the manhole on the upper outer surface of 10), it is unnecessary to replace the strainer can reduce the maintenance cost of the manhole.

In addition, as the sludge, earth and sand, which flows into the manhole and settles in the inner barrel 30, is extracted by collecting the inner cylinder 30 from the outer cylinder 20, the sludge, which flows into the manhole and accumulates in the sewer pipe 40, is collected. The work for periodically dredging becomes unnecessary, which can reduce the work cost due to the expensive equipment used for dredging work.

As described above, the manhole drainage blockage preventing device according to the present invention has the following advantages.

The foreign matter flowing into the manhole along the rainwater or sewage is filtered out by the filtering means formed at the inlet side of the drainage pipe, thereby preventing the inflow into the drainage pipe.

In addition, by discharging and removing sediment such as sludge deposited in the manhole by removing the collection container inside the manhole formed in a double structure, it is easy to discharge the sediment and prevents the manhole from corroding. Reduce costs

Claims (7)

A manhole having a drain pipe which connects a sewer pipe connected to a sewage treatment plant and a manhole collecting rainwater or sewage to discharge rainwater collected in the manhole into the sewer pipe: An outer cylinder in which the inlet of the drain pipe penetrates the bottom surface and protrudes therein; Filtering means for filtering foreign substances introduced into the manhole and preventing them from entering the drain pipe; And A discharge hole is formed in the upper end and the boss for receiving the protrusion of the drain pipe is formed in the center, drain pipe clogging prevention device of the manhole, characterized in that it has an inner cylinder retractable in the outer cylinder. The method of claim 1, wherein the filtering means; Device for preventing clogging the drain pipe of the manhole, characterized in that the strainer is formed at the inlet of the drain pipe. The method of claim 1, wherein the filtering means; Preventing clogging of the drainage pipe of the manhole, characterized in that the inlet hole is perforated in the outer peripheral edge of the top of the drainage pipe. The method of claim 1, wherein the filtering means; The clogging prevention device of the drainage pipe of the manhole, characterized in that the strainer is formed on the upper boss of the inner cylinder. 2. The apparatus for preventing clogging of a drainage pipe according to claim 1, wherein an outer surface of the inner cylinder in contact with the outer cylinder is formed as an inclined surface so that the inner cylinder can be easily separated and drawn out from the outer cylinder. 2. The apparatus of claim 1, wherein a protrusion is formed on an outer surface of the inner cylinder in contact with the outer cylinder so that the inner cylinder can be easily separated from the outer cylinder. The apparatus of claim 1, wherein a handle is formed at an upper end of the inner cylinder.