KR100659175B1 - Trash influx prevention manhole - Google Patents

Abstract

A manhole for preventing inflow of foreign matters is provided to reduce the production and installation cost, to easily clean and construct the structure, to prevent clogging or precipitation caused by foreign matters or waste soil, and to prevent malodor dispersion and reverse flow. A manhole(100) for preventing inflow of foreign matters comprises a separate manhole(20) disposed at the lower side of a steel grating(11) and formed with a hanging step(21a) on the outer surface of the upper part to be hung on a settling step(12) of a manhole(10), a first draining unit(21) like a square barrel having a lattice permeable plate(21b) as a bottom, a drain port(21d) protruded outward at the upper side of a rear wall(21c) fixed at the middle of the first draining unit, a shaft hole(21e) on both walls of the drain port, a rotation preventive wall(21f) protruded upward on the inner bottom, an inducement protrusion(21g) curved and recessed at the lower side of the front side of the rotation preventive wall, and a second draining unit(22) fixed with a vertical plate(22a) at the lower side of the hanging step to the rear side of the first draining unit to be opened at both lateral sides and the lower side; a pulling unit(30) formed with a hook(32a) on one end and four wire ropes(32) connected with a pulling hook(32b) on the other end to be connected with a hanging hook(31) formed on the inner wall of the upper side of the first draining unit of the separate manhole; a blocking plate unit(40) formed with a reverse flow blocking plate(43) having a shaft hole(43a) at the upper side to be combined with the shaft hole of the drain port of the separate manhole by using a bolt shaft(41) and a nut(42) and formed with a floating tool fixed at the lower side of the reverse flow blocking plate in an adhesive method; and a filtering net(50) settled at the upper side of the permeable plate of the separate manhole. A Teflon coating layer(44a) is formed on the outer circumference of a buoy of the blocking plate unit.

Description

Trash influx prevention manhole}

1 is an exploded perspective view of a manhole for preventing foreign matter inflow according to the present invention;

Figure 2 is a perspective view of the combination of the foreign matter entry prevention manhole according to the present invention,

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

Figure 4 is an enlarged perspective view of the drain in accordance with the present invention,

5 is an enlarged cross-sectional view of a float according to the present invention;

Figure 6 is an operating state of the foreign matter entry prevention manhole according to the invention,

Figure 7 is a state of use of the foreign matter inflow prevention manhole according to the invention,

<Description of Symbols for Main Parts of Drawings>

10: Manhole 11: Steel Grating

12: Enchidan 13: Sewer Pipe

14: drain pipe 20: separation manhole

21: first drain 21a: locking end

21b: permeable plate 21c: rear side wall

21d: drain hole 21e, 43a: shaft hole

21f: anti-rotation wall 21g: guide protrusion

22: second drain 22a: vertical plate

30: lifting part 31: hook ring

32: wire rope 32a: hook

32b: lifting ring 40: blocking plate

41: bolt shaft 42: nut

43: countercurrent blocking plate 44: float

44a: Teflon coating layer 50: strainer

100: foreign substance prevention manhole 200: ground

The present invention relates to a manhole for preventing the inflow of foreign substances, in particular, it is installed around a walkway or various buildings and facilities to prevent clogging of sewage pipes by filtering foreign substances or garbage contained in rainwater flowing through the ground during rainy weather, and at the same time, due to concentration of rainwater. The present invention relates to a manhole for preventing the inflow of foreign substances that can be drained smoothly without disturbing the flow, and can easily perform management work.

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 substances or waste soils are contained, and some of them are settled where the flow rate becomes weak during the flow of sewage along the wastewater to block the passage of the sewer pipe. There was a problem.

In addition, sediment is deposited on the inner bottom of the manhole, so that the drainage is not made smoothly, and the cleaning work is difficult, and there are many difficulties in management.If the cleaning is not performed properly, the sewage decays 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 manufacturing cost and installation cost, easy to clean and construct, prevent clogging or sedimentation by catching foreign substances or garbage, 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 to form a steel grating and strainer, a permeable plate to prevent clogging phenomenon of the drain pipe and sewage pipe by filtering foreign substances or garbage or earth and sand contained in rainwater, and manufacturing less It is an object of the present invention to provide a manhole for preventing the inflow of foreign substances having an improved structure so that it can be easily manufactured at cost.

In addition, another object of the present invention is to form a separate manhole is separated from the existing manhole to simplify the installation work and at the same time the structure of the foreign matter inflow prevention manhole to improve the cleaning and maintenance management work of the sewage of sediment deposited therein. The purpose is to provide.

In addition, another object of the present invention is to form a first drainage and a second drainage to drain the rainwater and waste filtered out through the first drainage, and the rainwater collected due to the manure action in the first drainage In this case, an object of the present invention is to provide a manhole for preventing inflow of foreign substances, which is formed in the first drainage portion and has a structure in which rainwater is drained into a drain hole communicating with the second drainage portion to improve drainage capacity.

On the other hand, another object of the present invention is to form a float in the backflow blocking plate is collected by the rainwater overflowed by the rainwater overflowed to the first drainage portion by rotating the backflow blocking plate while draining the rainwater, the drainage is complete It is located at the first position to prevent backflow, and by providing a teflon coating layer on the subsurface, it minimizes friction with guide protrusions and provides a manhole for preventing foreign material inflow to improve the structure so that the backflow blocking plate operates smoothly even in long-term use. There is a purpose.

In order to achieve the above object, the present invention is installed inside the ground so that the rainwater is collected and drained, a settling end is formed in which the steel grating to filter foreign matter is formed on the open upper inner surface, the sewage pipe is connected to the lower one side It is installed in the manhole made of drain pipe, is located in the lower portion of the steel grating, the engaging end is formed on the upper outer surface so as to be caught by the settled end of the manhole, the first cylindrical part of the rectangular cylindrical shape that the grid-shaped water permeable plate forms the bottom Is formed, but the upper portion of the rear side wall fixed to move to the center of the first drain portion is formed with a rectangular border-shaped drain hole protruding to the outside, the shaft hole is formed on both side walls of the drain hole, while the inner bottom projecting upward The anti-rotation wall is formed, and a curved guide recessed protrusion is formed at the front lower portion of the anti-rotation wall, and is caught behind the first drainage part. A separation manhole formed by a second drainage part having both sides and the lower part of the vertical plate fixed to the lower part of the stage vertically;

A lifting part formed of a hook at one end thereof and having a hook at one end thereof connected to a lifting ring to be connected to a hook formed on the upper inner wall of the first drainage part of the separation manhole;

A reverse plate blocking plate having a shaft hole formed at an upper portion thereof to be coupled to the drain hole shaft hole of the separating manhole by using a bolt shaft and a nut, and a blocking plate portion formed of a sub-ball fixed to the lower portion of the counter flow blocking plate;

Characterized in that consisting of a strainer is placed on the upper portion of the permeable plate of the separation manhole.

In addition, the block portion of the blocking plate provides a manhole for preventing foreign matter inflow, characterized in that the Teflon coating layer is formed on the outer peripheral surface.

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

Attached Figure 1 is an exploded perspective view of the foreign matter inflow prevention manhole according to the present invention, Figure 2 is a perspective view of the combined foreign matter prevention manhole according to the present invention, Figure 3 is a cross-sectional view taken along line AA of Figure 2, Figure 4 5 is an enlarged perspective view of a drain according to the present invention, Figure 5 is an enlarged cross-sectional view of the float according to the present invention, Figure 6 is an operating state diagram of the foreign matter inflow prevention manhole according to the present invention, Figure 7 is a manhole for foreign matter inflow prevention according to the present invention Is also used.

As shown in Figures 1 to 5, the foreign matter inflow prevention manhole of the present invention is installed in the manhole 10 and the inside of the manhole 10, the interior of the ground 200, and formed in a rectangular cylindrical shape Separation manhole 20 formed of a second drainage portion 22 having both sides and the lower portion of the vertical plate 22a fixed vertically to the lower end of the locking end 21a to the rear of the first drainage portion 21, It is fixed to the lifting portion 30 formed in the upper inner wall surface of the first drain portion 21 of the manhole 20 and the lower portion of the backflow blocking plate 43 that is pivotally coupled to the drain port 21d of the separation manhole 20. The foreign matter inflow prevention manhole 100 is comprised by the blocking plate part 40 which consists of the float 44, and the strainer 50 which is settled in the upper part of the water permeable plate 21d of the separation manhole 20.

The manhole 10 configured in the present invention is to use the manhole 10 installed on the existing ground 200 of the existing sidewalks or buildings and facilities in order to reduce the manufacturing cost and construction cost, such, manhole 10 is excellent Is installed in the interior of the ground 200 to be collected and drained, the settling end 12 is formed in which the steel grating 11 to filter foreign matter is formed on the open upper inner surface, the sewer pipe 13 is connected to the lower one side It consists of a drain pipe 14 which becomes.

In addition, the separation manhole 20 is installed in the manhole 10 before the steel grating 11 is settled and is located below the steel grating 11, and is caught by the settled end 12 of the manhole 10. The locking end 21a is formed on the upper outer surface thereof.

That is, the overall shape of the separation manhole 20 may be formed in a variety of cylindrical, square cylindrical shape, etc., the material is formed of concrete or FRP (FRP) material in the present invention, easy and semi-permanent, light weight and easy to manufacture It is desirable to be configured in a shape that can be installed in the manhole 10 installed in the existing conventional Alfalfa material having excellent strength.

Then, the locking end 21a is formed on the upper part of the separation manhole 20, and is configured in a shape bent outward so as to be caught by the settled end 12 of the manhole 10.

On the other hand, the lower end of the locking end (21a) is formed with a rectangular cylindrical first drainage portion 21, the grid-shaped water permeable plate (21b) forms a bottom.

That is, the first drainage portion 21 is expressed in the shape of a square cylinder, assuming that the overall shape of the manhole 10 is a conventional installation structure consisting of a square cylinder shape.

In addition, the first drainage portion 21 is primarily filtered through the steel grating 11 bulky foreign matter or garbage contained in rainwater and earth and sand (representing gravel, sand, soil) and the like will be described later ( 50) and the secondary filter by the second filter to filter the remaining dirt in the rainwater and is configured to drain through the permeable plate (21b).

In addition, the upper portion of the rear side wall 21c which is moved to the center of the first drainage portion 21 and fixed therein is formed with a rectangular rim drain hole 21d protruding outward.

In addition, the drain 21d has a large amount of rainwater flowing into the first drainage portion 21, or the rainwater having a predetermined height to prevent the rainwater from being excessively collected and overflowed to the ground 200 through the manure process. If it is full, it is configured to drain the rainwater using the drain port (21d).

A shaft hole 21e is formed in both side walls of the drain port 21d, while an anti-rotation wall 21f protruding upward is formed in the bottom of the inner side, and the curved portion is recessed in the front lower portion of the anti-rotation wall 21f. Guide protrusions 21g are formed.

In detail, the drain 21d is simply configured to protrude to the outside in order to install the blocking plate 40 to be described later.

In addition, the anti-rotation wall 21f is configured to prevent the buckle 44 of the blocking plate portion 40 from being rotated into the internal space of the first drain portion 21.

In addition, the guide protrusion 21g prevents the opening of the buoy 44 of the blocking plate part 40 freely, and the bottom surface is recessed to be curvature so that the buoy 44 is positioned in the stopped state.

In addition, the vertical plate 22a is fixed perpendicularly to the lower portion of the locking end 21a to the rear of the first drainage portion 21 to form a second drainage portion 22 having both sides and the bottom thereof open.

The second drain portion 22 is configured to be open to both sides and the lower portion for smooth drainage to an area where rainwater overflows excessively collected inside the first drain portion 21 and overflows through the drain port 21d. .

On the other hand, the vertical plate (22a) is to prevent the foreign matters contained in the rainwater flowing through the drain port 21d to be deposited on the wall surface of the rear side of the manhole 10, and is in the shape of a square plate, The lower part is formed integrally in the manufacturing process.

 Then, the lifting portion 30 is connected to the hook 31 formed on the upper inner wall of the first drainage portion 21 of the separation manhole 20, one end of the hook 32a is formed, the other end is lifted It consists of four wire ropes 32 connected to the ring 32b.

In other words, the lifting unit 30 is configured to be hooked to the lifting equipment when the separation manhole 20 is installed or separated inside the manhole 10.

In addition, the locking ring 31 is fixed to the separation manhole 20 in a 'U' shape, the hook 32a is configured to easily mount or remove the lifting unit 30, the lifting ring 32b is circular It is made of a metal material of the wire rope 32 and is configured in an integral form.

In addition, the blocking plate part 40 includes a counter-flow blocking plate having a shaft hole 43a formed thereon to be coupled to the drain hole 21d shaft hole 21e of the separation manhole 20 by using the bolt shaft 41 and the nut 42. 43 is formed, the lower portion of the backflow blocking plate 43 is composed of a buoy 44 that is fixed in an adhesive manner.

That is, the backflow blocking plate 43 formed in the shape of a square plate that can be inserted into the inner volume and the formation of the drainage port 21d is inserted between both walls of the drainage port 21d of the separation manhole 20, and then a pair of The bolt shaft 41 is inserted into one side of the shaft hole 21e and penetrated through the shaft hole 43a so as to be exposed through the opposite shaft hole 21e, and then, the nut 42 is rotatably fastened.

In addition, since the teflon coating layer 44a is formed on the outer circumferential surface of the block 44, the opening 44 easily opens when the rain overflows with the guide protrusion 21g and the sliding phenomenon, thereby increasing the drainage efficiency of the rainwater. .

The Teflon coating layer 44a 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.

And, the filtering net 50 is to be placed in the upper portion of the permeable plate 21b of the separation manhole 20 is composed of a non-woven fabric or a sponge for filtering the foreign matter or mesh mesh is configured to filter fine foreign matter contained in rainwater.

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

As shown in Figures 6 and 7, remove the steel grating 11 of the manhole 10 installed on the side ground 200 of the sidewalk or buildings and facilities.

Thereafter, the lifting part 30 connected to the separation manhole 20 is suspended in the lifting equipment, and then inserted into the manhole 10, and the locking end 21a is inserted into the settle end 12, and the locking end Steel grating 11 is placed on top of 21a.

Thus, the foreign matter inflow prevention manhole 100 installed flows along the surface of the ground 200 during rainy weather and passes through the steel grating 11 of the manhole 10 to remove bulky foreign matter, garbage, soil, etc. Inflow to (20).

Then, the rainwater introduced into the first drainage portion 21 forming the separation manhole 20 is filtered through the filter net 50, the fine foreign matter, garbage, earth and sand is filtered through, part through the permeable plate 21b Rainwater is to be discharged through the drain pipe 14 and the sewer pipe (13).

On the other hand, the drainage introduced into the first drainage portion 21 is not drained through both the strainer 50 and the water permeable plate 21b is to be collected, the drainage (21d) if the water level rises because the amount of rainwater is high Buoy 44 of the blocking plate portion 40 installed in the) is pushed away by the water level of the rain, and is rotated while leaving the guide projection (21g) and at the same time open the drain port 21d is rainwater is drained through the drain port 21d will be.

At this time, when the guide protrusion 21g is separated from the guide protrusion 21g by the Teflon coating layer 44a coated on the surface of the buoy 44, it is able to move quickly for the excellent flow state.

On the other hand, when the drainage of rainwater is completed, the reverse flow blocking plate 43 is rotated by the weight of the float 44, and the float 44 is placed on the guide protrusion 21g, and the inner surface of the float 44 is The reverse flow phenomenon is caught by the rotation preventing wall 21f to prevent the reverse flow blocking plate 43 from being rotated into the inside of the first drainage portion 21 by the reversed sewage. It also serves to prevent backflow.

This, foreign matter inflow prevention manhole 100 is easy to manufacture because the structure is simple, there is no increase in the construction cost according to the facility by using the existing manhole 10, by a separate manhole 20 separated from the manhole 10 Cleaning and management and removal of waste water can be done easily.

As described above, the present invention prevents the clogging of the drain pipe and sewage pipe by forming a steel grating, a strainer, a permeable plate, and filtering foreign substances, garbage, or soil contained in rainwater, and improving the structure so that the production can be made easily with a low production cost. There is an effect.

In addition, by forming a separate manhole separated from the existing manhole, the installation is simple and at the same time there is an effect that the structure is improved to simplify the cleaning work and maintenance management work of the sediment deposited therein.

In addition, the first drain portion and the second drain portion is formed to drain the rainwater filtered by foreign matter and garbage through the first drainage portion, and if there is a lot of rainwater collected due to the filtering action in the first drainage portion to the first drainage portion Formed to have a drain to communicate with the second drain portion to drain the rainwater has an effect that the structure is improved to improve the drainage capacity.

On the other hand, the float is formed in the backflow blocking plate and the float is floated by the rainwater that is collected and overflowed in the first drainage part, so that the backflow blocking plate is rotated to drain the rainwater, and when draining is completed, it is positioned at the first position by its own weight. It is possible to prevent the backflow, and by forming a teflon coating layer on the surface of the mouth to minimize the friction with the induction projections there is an effect that the backflow blocking plate is smoothly operated even in long-term use.

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)

Rainwater is collected and installed in the interior of the ground 200 to be drained, the open upper inner surface is settled end 12 is formed so that the steel grating 11 to filter foreign matter is formed, the lower one side sewage pipe 13 is In the manhole 10 consisting of a drain pipe 14 to be connected, Located in the lower portion of the steel grating 11, the engaging end 21a is formed on the upper outer surface so as to be caught in the settled end 12 of the manhole 10, the square tube forming the bottom of the grid-shaped water permeable plate 21b A first drain portion 21 having a shape is formed, and a rectangular rim drain hole 21d protruding outward is formed at an upper portion of the rear side wall 21c which is fixed to the center of the first drain portion 21. Shaft holes 21e are formed in both side walls of the drain port 21d, while anti-rotation walls 21f protruding upward are formed in the bottom of the inner side, and curved indents are formed in the front lower portion of the anti-rotation walls 21f. A protrusion 21g is formed, and the vertical plate 22a is fixed perpendicularly to the lower portion of the locking end 21a to the rear of the first drainage portion 21 to the second drainage portion 22 having both sides and the bottom open. Separation manhole 20 is formed, A hook 32a is formed at one end and the other end is connected to a lifting ring 32b so as to be connected to the hook 31 formed on the upper inner wall of the first drainage part 21 of the separation manhole 20. Lifting portion 30 formed of wire rope 32, A backflow blocking plate 43 having a shaft hole 43a formed thereon is coupled to the drain hole 21d shaft hole 21e of the separating manhole 20 by using the bolt shaft 41 and the nut 42. The lower plate 43, the blocking plate portion 40 made of a buoy 44 to be fixed by an adhesive method, Foreign material inflow prevention manhole, characterized in that consisting of a strainer 50 is placed on the upper portion of the water permeable plate (21d) of the separation manhole (20). 2. The manhole for preventing foreign substances from flowing in according to claim 1, wherein the trough 44 of the blocking plate portion 40 is formed on an outer circumferential surface thereof.

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