KR100655740B1 - Prevention manhole for counterflow and foul smell - Google Patents

Abstract

A manhole for preventing backflow and stench is provided to prevent the sewage and the stench from being back-flowed by blocking the discharge pipe and discharge ball through opening/closing balls when the sewage is not flowed and when the sewage is back-flowed. A manhole(10) for preventing backflow and stench is composed of the manhole having an installing end(12) to install a steel grating(11) and a discharge pipe(14) connected with a sewer(13); a pair of inner manholes(20) having a hanging end(21) at the outer surface of the upper part, a knob(22), a combining end(23) vertically formed with plural bolt holes(23c) by using bolts(23a) and nuts(23b) at both ends, at least one discharge hole(24a) at a floor surface(24), and a discharge pipe(26) integrally formed with a male screw(26a) at the outer peripheral surface; an opening/closing ball(30) inserted at an opening/closing ball moving pipe of the inner manhole; a filtering cap(40) formed with a female screw(41) at the inner peripheral surface; and a filtering net(50) inserted at the filtering cap and mounted at the hanging end.

Description

Prevention manhole for counterflow and foul smell}

1 is an exploded perspective view of a backflow and odor prevention manhole according to the present invention,

Figure 2 is a perspective view of the combination of backflow and odor prevention manhole in the present invention,

3 is a cross-sectional view taken along the line A-A of FIG.

4 is a cross-sectional view of the opening and closing ball according to the present invention,

5 is an operation of the backflow and odor prevention manhole according to the present invention,

6 is an operation of the backflow and odor prevention manhole according to the invention at the time of sewage backflow,

Figure 7 is a state of use of backflow and odor prevention manhole according to the present invention,

<Description of Symbols for Main Parts of Drawings>

10; Manhole 11; Steel grating

12; Enamel 13; drainpipe

14,26; Drain pipe 20; Inner manhole

21,42; End 22; handle

23; Binding stage 23a; volt

23b; Nut 23c; Bolt hole

24; Bottom surface 24a; Drainage hole

25; Opening and closing ball flow tube 26a; External thread

26b; 30 opening and closing ball face; Ball

31; Teflon coating layer 40; Manure cap

41; Female thread 42; Hang

50; Strainer 100; Backflow and odor prevention manhole

200; Ground

The present invention relates to a backflow and odor prevention manhole can be manufactured with a particularly low production cost, to increase the construction cost and utilization by using the existing manhole installed, drainage backflow or odor of sewage backflow The present invention relates to a backflow and odor prevention manhole to prevent the occurrence of a pleasant living space and sanitary environment.

In general, in the process of sending the sewage generated from the home or the mall to the sewage pipe, a manhole is installed in order to simplify the collection process and the discharge of rainwater contained in the sewage.

The conventional manhole (drainage tank) used for this is buried in the ground, the inlet of the manhole is connected to the point of occurrence of domestic sewage, the outlet is connected to the sewer pipe.

As such, when manure or rainwater flows into the manhole, a large amount of foreign matter or waste soil is introduced, and some of them are settled in the process where the flow rate becomes weak in the process of flowing along the wastewater to the sewage pipe to block the passage of the sewage pipe. There was a problem.

In addition, the sediment is also deposited on the inner bottom of the manhole is not drained smoothly, difficult to clean the management is difficult, and if the cleaning is not done properly, sewage decay and various habitats such as insects and insects and There is a movement path, and there is a problem that the odor of the sewage is diverted back to the generation point of the manhole and domestic sewage.

Due to this, it is possible to install at production cost and installation cost, easy to clean and construct, prevent clogging or sedimentation by filtering foreign matter or garbage soil, and improved manhole to prevent odor emission and backflow This is a desperately needed reality.

Accordingly, the present invention is made in view of the problems of the prior art as described above, the internal manhole is composed of a pair of simple to manufacture, easy to assemble and disassemble by using bolts and nuts, the internal cleaning work and management work The purpose is to provide a backflow and odor prevention manhole with improved structure to be simple and easy to transport on-site assembly to excellent field workability.

And, another object of the present invention is to open and close operation by the sewage ball is introduced into the bottom surface of the inner manhole to the opening and closing operation when there is no inflow of sewage, the opening and closing ball to close the drain pipe to block the odor emission of the sewage, In the case of backflow of sewage, the purpose is to provide a backflow and odor prevention manhole with improved structure to prevent the flow of sewage in a simple manner by opening and closing ball to block the drain hole.

In addition, another object of the present invention is to filter the foreign matter contained in the sewage by placing the filter net inside the manure cap to prevent foreign substances flow into the sewer pipe to prevent precipitation and deposition phenomenon, clogging phenomenon, Teflon coating on the surface of the opening and closing ball The purpose is to provide a backflow and odor prevention manhole with improved structure to prevent foreign matter from being deposited to reduce the efficiency of the closure.

In order to achieve the above object, the present invention provides an open trapezoidal manhole consisting of a drainage pipe which is formed with a settling end to allow steel grating to filter foreign matters, and a sewer pipe connected to a lower side thereof.

Located at the bottom of the steel grating, the upper end of the engaging end is formed to be caught by the settled end of the manhole, the handle is formed on the inner side of the opposite end of the locking end, and both ends are coupled by using bolts and nuts A bolt hole forms a coupling end formed in the longitudinal direction, and at least one semicircular drainage hole is formed at the bottom, and a large opening and closing ball flow tube is formed at the bottom of the drainage hole, while a male screw is formed at the outer circumferential surface at the bottom of the opening and closing ball flow tube. A pair of inner manholes are formed integrally with the formed small diameter drain pipe, the opening and closing ball settle surface is formed in the upper portion of the inner boundary surface in which the drain pipe is in contact with the opening and closing ball flow pipe,

An opening and closing ball inserted into an opening and closing ball flow tube of an inner manhole,

A female thread is formed on the inner circumferential surface to be coupled to the drain pipe of the inner manhole, and a cylindrical filter cap having a locking end bent inwardly at the bottom thereof;

Inserted into the manure cap is characterized in that consisting of a sieve that is placed on the end.

In addition, the opening and closing ball is characterized in that the Teflon coating layer is coated to prevent the deposition of foreign matter on the outer peripheral surface surface.

The preferred embodiment of the present invention as described above will be described in detail based on the accompanying drawings.

1 is an exploded perspective view of a backflow and odor prevention manhole according to the present invention, FIG. 2 is a perspective view of a combination of a backflow and odor prevention manhole according to the present invention, FIG. 3 is a cross-sectional view taken along line AA of FIG. 5 is a cross-sectional view of the opening and closing ball according to the present invention, Figure 5 is an operation diagram of the backflow and odor prevention manhole according to the present invention, Figure 6 is an operation diagram during the sewage backflow of the backflow and odor prevention manhole according to the present invention, Figure 7 is a state diagram used in the backflow and odor prevention manhole according to the present invention.

As shown here, the backflow and malodor prevention manhole of the present invention is embedded in the ground 200, the upper mandrel-shaped manhole 10 of the steel grating 11 is placed in the upper, and the end of the manhole 10 ( 12, the engaging end 21 is formed to be caught, both sides end to form a coupling end 23 for coupling, the bottom surface 24 is formed with one or more semi-circular drainage holes 24a, drain holes The opening and closing ball inserted into the opening and closing ball flow tube 25 of the inner manhole 20 and the pair of inner manholes 20 having a large opening and closing ball flow tube 25 and a drain pipe 26 are formed in the lower portion of the (24a) ( 30, a female thread 41 is formed on the inner circumferential surface to be coupled to the drain pipe 26a of the inner manhole 20, and a cylindrical filter cap 40 having a locking end 42 bent inward at the bottom thereof, The backflow and odor prevention manhole 100 is composed of a strainer 50 inserted into the cap 40 and placed in the locking end 42.

As shown in FIGS. 1 to 4, the manhole 10 is installed by being embedded in the side surface of the sidewalk or the surrounding ground 200 of buildings and facilities, and the steel grating 11 that filters foreign matters on the open upper inner surface. The settled end 12 is formed securely, the lower one side is composed of a trapezoidal shape consisting of a drain pipe 14 is connected to the sewer pipe (13).

In addition, the inner manhole 20 is positioned below the steel grating 11, and a locking end 21 is formed at an upper outer surface of the inner manhole 10 so as to be caught by the settling end 12 of the manhole 10.

That is, the inner manhole 20 is formed by combining the same structure divided into two to form a perfect historical trapezoidal shape, the material may be configured by curing the concrete, in the present invention is easy to manufacture, excellent strength semi-permanently It would be desirable to mold using available FRP.

In addition, the inner manhole 20 is configured to be installed inside the manhole 10 in a state in which the locking end 21 formed on the upper part is filtered by the settled end 12 of the manhole 10.

In addition, the handle 22 is formed on the inner side surface opposite the locking end (21).

Such, the handle 22 is configured so that the worker can easily grab the work when the inner manhole 20 is installed inside the manhole 10.

In addition, both ends are configured with a coupling end 23 in which a plurality of bolt holes 23c are formed in the longitudinal direction to be coupled by using the bolt 23a and the nut 23b.

That is, the coupling end 23 is formed by dividing into half when manufacturing the inner manhole 20, which is configured to couple the inner manhole 20, each coupling end of the two inner manhole 20 ( After overlapping 23, the bolt 23a is penetrated through the bolt hole 23c and is firmly fixed using the nut 23b.

In addition, a rubber packing (not shown) may be inserted between the coupling end 23 and the coupling end 23 to increase watertightness.

Meanwhile, at least one semicircular drainage hole 24a is formed at the bottom surface 24 of the inner manhole 20, and a large opening / closing ball flow tube 25 is formed at the bottom of the drainage hole 24a. A small diameter drain pipe 26 having a male screw 26a formed on the outer circumferential surface of the lower part of the opening / closing ball flow tube 25 is integrally formed, and the opening and closing ball face surface is disposed on the upper surface of the inner boundary surface in which the drain pipe 26 is in contact with the opening / closing ball flow tube 25. 26b is comprised.

The drainage hole 24a is configured to flow into the sewage pipe 13 after the sewage flowing into the upper portion of the manhole 10 passes through the drainage pipe 14.

In addition, the opening and closing ball flow tube 25 is a semi-cylindrical shape, and is formed integrally with the lower portion of the bottom surface 24 on which the drain hole 24a is formed.

In detail, the inner diameter of the opening / closing ball flow tube 25 is larger than the diameter of the drainage hole 24a, and the draining hole 24a is not separated from the opening and closing ball 30 through the drainage hole 24a. The internal space is larger than the diameter of the opening and closing ball 30 so that the opening and closing ball 30 formed to a diameter larger than the diameter of the flow.

On the other hand, the drain pipe 26 is integrally formed in the lower portion of the opening and closing ball flow tube 25, the diameter smaller than the opening and closing ball flow tube 25 to prevent the opening and closing ball 30 is separated from the lower through the drain pipe (26) It consists of a semi-cylindrical form.

In addition, the opening and closing ball facing surface 26b is formed with a curvature, the opening and closing ball 30 is moved up and down along the inner space of the opening and closing ball flow tube 25 by the sewage introduced into the inner manhole 20, When the drainage of the sewage is completed, the opening and closing ball 30 is placed in its original position to tightly seal the upper portion of the drainage pipe 26 so as to prevent odors from flowing back.

In addition, the opening and closing ball 30 is configured to be inserted into the opening and closing ball flow tube 25 of the inner manhole (20).

That is, the opening and closing ball 30 is formed of a material that can float on the water is formed by filling the air inside, the two inner manhole 20 using the bolt (23a) and the nut (23b) coupling end ( In the step before coupling 23), the opening and closing ball 30 is installed in the inner manhole 20 by completing the coupling process after inserting into the opening and closing ball flow tube 25.

In addition, the opening and closing ball 30 is composed of a Teflon coating layer 31 is coated to prevent the deposition of foreign matter on the outer peripheral surface.

This is to prevent the contaminants contained in the sewage from being deposited on the surface of the open / close ball 30 when the opening / closing ball 30 contacts the sewage containing a large amount of contaminants for a long time. It is constructed using the nature of.

That is, the Teflon coating layer 31 is a composite of fluorocarbon PTFE (Poly Tetra Fluoro Ethylene), which is a very stable compound due to the strong chemical bonding of fluorine and carbon, and has chemical inertness and heat resistance, non-tackiness, excellent insulation stability, and low friction. Due to its characteristics such as coefficient, it is used in general kitchen containers, machinery, automobiles, semiconductors, and aerospace parts.

Such, opening and closing ball flow tube 25 and the drain pipe 26 is a semi-cylindrical shape, when the two inner manhole 20 is combined is formed in a cylindrical shape.

In addition, the filtering cap 40 has a semi-cylindrical drain pipe 26a coupled to the cylindrical shape when two inner manholes 20 are coupled to each other. In this case, the female screw 41 formed on the inner circumferential surface of the filtering cap 40 is used. Screwed to the male screw (26a) is fixed, and the bottom is composed of a cylindrical shape formed with a locking end 42 bent inward so that the strainer 50 to be described later.

In addition, the strainer 50 is inserted into the strainer cap 40 is configured to be placed in the locking end (42).

In addition, the sieve 50 is made of a mesh-shaped mesh, it is configured in the form of a disc so that it can be inserted into the sieve cap 40, and serves to filter the fine foreign matter contained in the sewage passed through the steel grating (11). It is configured to.

On the other hand, the strainer 50 is configured to insert the filter cap 40 into the filter cap 40 before coupling with the drain pipe 26, and then to couple the filter cap 40 to the drain pipe 26 to be coupled. .

Referring to the operation of the present invention configured as described above are as follows.

5 and 7, the steel grating 11 of the manhole 10 installed on the side ground 200 of the sidewalk or buildings and facilities is removed.

Then, after inserting the opening and closing ball 30 in each of the opening and closing ball flow tube 25 of the two inner manhole 20, using the bolt 23a and the nut 23b bolt holes of the coupling end 23 ( 23c) is to complete the combined inner manhole 20.

Thus, the inner manhole 20 formed by dividing into two can be simply assembled at the construction site without the need to assemble the finished product in the factory, it is possible to increase the efficiency of the work according to the production cost and site conditions.

Then, the filter cap 40 is inserted into the filter cap 50 is inserted into the drain pipe 26 of the combined inner manhole 20 by screwing.

Next, when the size of the inner manhole 20 is small, the operator can perform the installation work, one or more workers to hold the handle 22, the locking end 21 is settled end 12 of the manhole 10 ), The inner manhole 20 is installed inside the manhole 10.

Subsequently, when the steel grating 11 which has been removed to the upper part of the inner manhole 20 enclosed in the settled end 12 of the manhole 10 is placed, the construction work is completed.

Thus, when the sewage flows into the constructed backflow and odor prevention manhole 100, first, a large amount of foreign matter or garbage is filtered through the steel grating 11 and at the same time into the inner space of the inner manhole 20. When the introduced sewage flows into the drain pipe 26, the opening / closing ball 30 floats upward from the inside of the opening / closing ball flow tube 25, and at this time, the opening / closing ball settling surface 26b is opened to the sewage drain pipe 26. Through the fine foreign matter is filtered by the strainer 50 is passed through the drain pipe 14 of the manhole 10 to the sewer pipe (13).

At this time, the opening and closing ball 30 is located in the inner center of the opening and closing flow pipe 25 due to the flow rate of the sewage and the drainage flows into the sewage to smoothly drain.

On the other hand, when the drainage of the introduced sewage is completed, the opening and closing ball 30 descends by its own weight and is placed on the opening and closing ball settled surface 26b to close the upper part of the drain pipe 26 so that the odor of the sewage is outside of the ground 200. To prevent it from being emitted.

In addition, when the sewage flows back, the sewage flowed back through the sewer pipe 13 is filled inside the manhole 10 through the drain pipe 14, the filled sewage is flowed back through the drain pipe 26 to open and close the ball When the 30 is pushed up, the opening / closing ball 30 floats along the opening / closing ball flow tube 25 to close the lower inlet of the drainage hole 24a to prevent the backflow of sewage from overflowing to the ground 200. .

As described above, the present invention consists of a pair of inner manholes, which are simple to manufacture, and easy to assemble and disassemble by using bolts and nuts. Since the assembly is possible, there is an effect that the structure is improved to excellent field workability.

In addition, the opening and closing operation is caused by the sewage that flows into the bottom of the inner manhole, and the opening and closing operation is performed. When there is no inflow of the sewage, the opening and closing ball closes the drain pipe to block the odor emission of the sewage. As the ball rises, it blocks the drainage hole and prevents the backflow of sewage in a simple way, so that the structure is improved to make the living environment and the surrounding environment pleasant and hygienic.

In addition, by placing a filtering net inside the filtering cap to filter foreign substances contained in the sewage, foreign substances flow into the sewer pipe to prevent sedimentation, deposition, and clogging.Teflon coating is applied to the surface of the opening and closing ball so that the foreign matter is deposited and closed. There is an effect that the structure is improved to prevent lowering the efficiency of.

The present invention has been shown and described with reference to certain preferred embodiments, but the present invention is not limited to the above-described embodiments and has ordinary skill in the art to which the present invention pertains without departing from the spirit of the present invention. Various changes and modifications may be made by the user.

Claims (2)

An open upper inner surface is provided with a settled end 12 so that the steel grating 11 for filtering foreign matters is settled, and an inverted trapezoidal manhole 10 made of a drain pipe 14 connected to a sewer pipe 13 on one lower side thereof. )and, Located in the lower portion of the steel grating 11, the engaging end 21 is formed on the upper outer surface to be caught by the settled end 12 of the manhole 10, the handle 22 on the inner side opposite the locking end 21 ) Is formed, and a plurality of bolt holes 23c are formed in the longitudinal direction to form a coupling end 23 to be coupled by using bolts 23a and nuts 23b at both ends, and the bottom surface 24 has a semicircular shape. One or more drainage holes 24a are formed, and a large opening and closing ball flow tube 25 is formed in the lower portion of the drainage hole 24a, while a male screw 26a is formed on the outer circumferential surface of the lower portion of the opening and closing ball flow tube 25. A small diameter of the drain pipe 26 is formed integrally, a pair of inner manhole 20 is formed on the upper surface of the inner boundary surface in which the drain pipe 26 is in contact with the opening and closing ball flow pipe 25 and the ball opening surface 26b, Opening and closing ball 30 is inserted into the opening and closing ball flow tube 25 of the inner manhole 20, A female screw 41 is formed on the inner circumferential surface to be coupled to the drain pipe 26a of the inner manhole 20, and a cylindrical filter cap 40 having a locking end 42 bent inward at the bottom thereof, Backflow and odor prevention manhole, characterized in that consisting of a sieve (50) is inserted into the filter cap 40 is placed in the locking end (42). The counterflow and odor prevention manhole according to claim 1, wherein the opening and closing ball (30) is formed by coating a Teflon coating layer (31) to prevent deposition of foreign matter on the outer circumferential surface.

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