KR102266083B1 - Sewage odor blocking device for manhole - Google Patents

Abstract

The present invention relates to a sewage odor blocking apparatus for a manhole. More specifically, the present invention relates to a sewage odor blocking apparatus for a manhole, which comprises: a plate which supports a manhole cover, and has an inlet hole in the center portion for an external fluid to be introduced thereinto; a storage tank formed on a lower end portion of the plate; and a blocking membrane for sealing a lower end portion of the storage tank. The present invention is able to automatically seal the lower end portion of the storage tank by the blocking membrane by gravity in ordinary times, actively block odor, which reversely flows from the water supply system and the sewer system, form an open membrane on the blocking membrane, rotate the open membrane in the opposite direction to that of the blocking membrane, prevent the manhole from being opened by water pressure when the water supply system and the sewer system have a flood in the rainy season or on a rainy day and a fluid reversely flows and is discharged to the outside, prevent casualties thereby, install the blocking membrane on an upper surface of the plate, filter out foreign substances in the fluid introduced through the inlet hole, prevent the water supply system, the sewer system, or the sewage odor blocking apparatus from being blocked by the foreign substances, and display the safety information for maintaining the manhole and preventing accidents.

Description

Sewage odor blocking device for manhole

The present invention relates to a sewage odor blocking device for a manhole, and more particularly, a plate having an inlet hole formed in the center so that external fluid flows in while supporting the manhole cover, a storage tube formed at the lower end of the plate, and the storage container It is composed of a blocking film that closes the lower end of the bin, and the barrier film automatically closes the lower end of the reservoir by gravity in normal times to smoothly block odors flowing back from the water supply and sewerage system, and an open film is formed on the barrier film, and the open film is a barrier film and By rotating in the opposite direction, the upper and lower sewer pipes overflow in the rainy season or rain and are opened to the backflowing fluid to discharge the fluid to the outside, thereby preventing the manhole from being opened by water pressure, thereby preventing personal injury, and the upper part of the plate By installing a blocking net on the side, it is possible to filter out foreign substances in the fluid flowing through the inlet hole and prevent the water supply, sewerage or odor blocking device from being blocked by foreign substances, and safety information for maintaining manhole management and preventing safety accidents It relates to a sewage odor blocking device for manholes marked with.

In general, various techniques have been proposed to block odors flowing back from the manhole to the manhole cover provided with the drain hole installed in the manhole.

Among them, the technology of the manhole cover equipped with the odor blocking device of Korean Patent Registration No. 0502705 is presented as follows.

A plurality of drain holes are formed on the bottom surface of the manhole cover to protrude from the drain port side to form an inclined protrusion, and a deodorizing plate is installed on each protrusion, but the deodorant plate is an extension formed with a blocking part and a weight for closing or opening the drain hole An odor blocking device in which the part is integrally formed by bending a single metal plate, a hinge shaft is formed in the bent part of the blocking part and the extension part, and a hinge hole into which the hinge shaft is inserted is formed and a fastening piece attached to the bottom surface of the manhole cover is formed. In the cast iron manhole cover provided with, insert-casting a fastening block made of carbon steel with fastening holes formed on both sides of the protrusion of the bottom surface of the manhole cover, and the fastening piece forms an insertion hole as a piece for direct connection to the fastening hole of the fastening block. While attaching the deodorizing plate to the cast iron manhole cover by fastening, a support piece is formed on the outer circumferential surface of the fastening block, and one end of the fastening block is formed as an insert part that is insert-cast to the manhole cover with the support piece as the center, and the other The side end is buried in the casting sand during casting to fix the fastening block, and a manhole cover is proposed in which a removal part is formed to be removed when the direct coupling piece is fastened.

However, the manhole cover provided with the odor blocking device of Korean Patent Registration No. 0502705 presented above and the conventionally proposed techniques are rotatably installed in each drain hole of the bottom surface of the manhole cover, and there is a problem in smoothly blocking the odor.

Republic of Korea Patent Publication No. 10-0502705 (Registered on Jul. 12, 2005)

The present invention has been devised to solve the above problems, and an object of the present invention is a plate having an inlet hole formed in the center so that an external fluid flows in while supporting a manhole cover, and a storage trough formed at the lower end of the plate , The purpose of providing a sewage odor blocking device for manholes that is composed of a blocking film that seals the lower end of the storage bin, and the blocking film automatically seals the lower end of the storage bin by gravity in normal times to smoothly block odors flowing back from the water supply and sewerage system. have.

In addition, according to the present invention, an open film is formed on the blocking film, and the open film is rotated oppositely to the blocking film, so that the upper and lower sewer pipes overflow and flow back in the rainy season, and the fluid is discharged to the outside to open a manhole by water pressure. Another object of the present invention is to provide a sewage odor blocking device for a manhole that can prevent damage to human life.

In addition, the present invention blocks sewage odor for manholes, which can prevent blockage of the water supply, sewerage, or odor blocking device by foreign substances by filtering foreign substances in the fluid flowing in through the inflow hole by installing a blocking net on the upper surface of the plate Another object is to provide a device.

In addition, an object of the present invention is to provide a sewage odor blocking device for manholes that is easy to maintain and does not cause damage to human life by marking safety information for maintenance of manholes and prevention of safety accidents on the upper surface of the blocking film.

Other objects and advantages of the present invention will be set forth below and will be learned by way of example of the present invention. Further, the objects and advantages of the present invention may be realized by means and combinations indicated in the claims.

The present invention is a means for solving the above problems,

In the device installed in the manhole to block the odor of water and sewage from being discharged to the outside through the manhole,

Doedoe supported by the manhole, the inlet hole 11 is formed in the center so that an external fluid flows in, and when supported on the manhole on the upper surface, a plate in which a plurality of ribs 12 protrude in the circumferential direction to withstand the load. (10);

A through hole 21 that is installed on the bottom surface of the plate 10 to correspond to the inlet hole 11 and communicates in a shape corresponding to the inlet hole 11 is formed on the upper surface, and the lower end portion so as to store the fluid introduced into the through hole 21 . The storage tank 20 is formed to be inclined;

Block formed in the form of a mesh network to filter and block foreign substances when the fluid flows in through the inlet hole 11 by being mounted on the through hole 21 so as to form the same horizontal line as the top surface of the reservoir 20 . network 50;

The end of the membrane is coupled to the lower end of the reservoir 20 by a hinge to block the backflowing odor from being discharged to the outside, and one side of the membrane is formed as an inclined membrane, and normally, the end of the membrane to seal the lower end of the reservoir 20 at all times by gravity. a blocking film 30 in which a weight 31 is horizontally formed in the portion, and a through hole 32 is formed in the central portion;

On the upper surface of the plate 10 and the upper surface of the barrier film 30 or the upper surface of the open film 33 installed to be openable and openable on the barrier film 30, numbers and logos are displayed to enable quick recognition, so that the management and maintenance of manholes and Safety information 45 for prompt maintenance for preventing safety accidents and preventing casualties from occurring;

It is characterized in that it comprises a.

As described above, in the sewage odor blocking device for manholes of the present invention, the blocking film automatically seals the lower end of the storage bin by gravity in normal times to smoothly block the bad odor from flowing back.

In addition, according to the present invention, an open membrane is formed on the blocking membrane, and the open membrane is rotated opposite to the blocking membrane, so that the upper and sewer pipes overflow and flow back in the rainy season, and the fluid is discharged to the outside to open a manhole by water pressure. This has the effect of preventing human casualties.

In addition, the present invention has an effect that, by installing a blocking net on the upper surface of the plate, it is possible to filter out foreign substances in the fluid flowing in through the inflow hole and prevent the water supply, sewage or odor blocking device from being blocked by foreign substances.

In addition, the present invention has the effect that safety information for maintenance and safety accident prevention is marked, so that the maintenance and repair of the manhole can be performed promptly, and the human accident of the manhole due to noxious gas and a fall does not occur.

1 is a plan view of an embodiment showing a sewage odor blocking device for a manhole of the present invention.
2 is a plan view of an embodiment showing safety information according to the present invention.
3 and 4 are side views showing a sewage odor blocking device for a manhole according to an embodiment of the present invention.
5 is an exploded perspective view of an embodiment showing a sewage odor blocking device for a manhole according to the present invention.
Figure 6 is a lower perspective view of an embodiment showing the sewage odor blocking device for a manhole of the present invention.

Before describing various embodiments of the present invention in detail, it is to be understood that the application is not limited to the details of the construction and arrangement of components described in the following detailed description or shown in the drawings. The invention is capable of being embodied and practiced in other embodiments and of being carried out in various ways. Also, device or element orientation (eg "front", "back", "up", "down", "top", "bottom") The expressions and predicates used herein with respect to terms such as ", "left", "right", "lateral", etc. are used merely to simplify the description of the invention, and the associated apparatus Or it will be appreciated that it does not simply indicate or imply that an element must have a particular orientation. Further, terms such as “first” and “second” are used in this application and the appended claims for purposes of description and are not intended to indicate or imply relative importance or spirit.

In order to achieve the above object, the present invention has the following features.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, the terms or words used in the present specification and claims should not be construed as being limited to conventional or dictionary meanings, and the inventor should properly understand the concept of the term in order to best describe his invention. Based on the principle that it can be defined, it should be interpreted as meaning and concept consistent with the technical idea of the present invention.

Therefore, the configuration shown in the embodiments and drawings described in the present specification is only the most preferred embodiment of the present invention and does not represent all of the technical spirit of the present invention, so at the time of the present application, various It should be understood that there may be equivalents and variations.

1 to 6, the sewage odor blocking device 70 for a manhole of the present invention includes a plate 10, a reservoir 20, a blocking membrane 30, a blocking network 50, and safety information. It consists of (45).

Hereinafter, the sewage odor blocking device 70 for manholes of the present invention according to the present invention will be described.

The plate 10 is supported by being placed on the upper part of the space between the manhole cover and the manhole cover lower pedestal, which is formed in a rectangular and circular plate and covers the manhole. At this time, the plate 10 is formed of general plastic and special composite plastic material, rubber material, stainless steel, zinc steel sheet and steel sheet material, etc., and its thickness is narrow so that it bends or bends when supporting the weight of the storage tank and the blocking film of the sewage odor device. A plurality of ribs 12 are formed to protrude in the circumferential direction on the upper surface to prevent distortion.

Here, in the central portion of the plate 10, an inlet hole 11 is formed so that a fluid such as external rainwater flowing through the manhole cover is transmitted to the upper and lower sewer pipes, and the inlet hole 11 is formed in a rectangular shape. do.

At this time, a protrusion 13 for a handle is further formed on the inner surface of the inlet hole 11 so that the user can carry the sewage odor blocking device 70 for a manhole and move and install it in the manhole.

The reservoir 20 is formed of the same material as the plate 10 or a different material from the plate 10 according to the user's embodiment, and protrudes from the lower end of the plate 10 .

The reservoir 20 has upper and lower ends (both sides) penetrated, and a through hole 21 communicating in a shape corresponding to the inlet hole 11 is formed on the upper surface of the upper surface, and such a storage container ( 20), that is, the upper surface is coupled and fixed to the outer circumferential surface by a coupling member centered on the inlet hole 11 of the plate 10, and the other end of the reservoir 20 is sealed with a blocking film 30, to form an empty space in

Here, the coupling member (not shown) is coupled to commonly used ones such as bolts, nuts, pieces, riveting, thermal bonding, and welding.

In addition, the blocking net 50 is installed correspondingly to the through hole 21 of the storage container. For this purpose, the inner peripheral surface of the through hole 21 has a seating jaw 22 that is lower than the upper surface of the through hole 21 . By forming a rim of the blocking net 50, which will be described later, is mounted to a size corresponding to the through hole 21 while being seated on the seating jaw 22, and forms the same horizontal line as the top surface of the storage container 20. make it become

Accordingly, when the plate 10 is coupled in a state in which the blocking network 50 is placed on the upper surface of the through hole 21, the blocking network 50 is positioned between the reservoir 20 and the plate 10, In the present invention, the blocking net 50 is seated on the through-hole 21 of the reservoir 20 and does not protrude from the upper surface of the reservoir 20, so the above-described plate 10 and the reservoir 20 The bonding site is to be in a form in which they are completely in close contact with each other.

In addition, the reservoir 20 has an inner surface coupled to the plate 10 inclined so that the fluid flowing in through the inlet hole 11 of the plate 10 smoothly flows into the reservoir 20 . plays a role

And, the end of the reservoir 20, that is, the opposite side of the plate 10 is inclined so that the blocking film 30 is in close contact, and when a certain amount of fluid is filled in the reservoir 20, gravity and fluid It is formed so that the blocking film 30 is opened by the weight of the .

The blocking film 30 is coupled to the lower end of the reservoir 20 by a hinge to block the backflowing odor from being discharged to the outside, and to the lower side so that the fluid flowing into the reservoir 20 is transferred to the water supply and sewerage system. It is rotated to open the lower end of the reservoir 20 .

Here, the blocking film 30 always seals the lower end of the reservoir 20 by gravity, and a weight 31 is integrally formed at the end of the blocking film 30 to seal the lower end of the reservoir 20 . and the weight 31 is formed in the longitudinal direction of the blocking film 30 and bent at a predetermined angle with the blocking film 30 in cross-section.

Only then, the blocking film 30 is in close contact with the lower end of the inclined reservoir 20 , and the angle is the angle at which the shielding film 30 is in contact with the lower end of the inclined reservoir 20 , the weight 31 is horizontal. is formed with

Here, with reference to FIGS. 3 and 5, the open membrane 33 prevents odors generated in the water supply and sewer from flowing backward, and during the rainy season or rainy weather, the fluid overflowing from the water supply and sewer is reversed by water pressure. It is rotated upward to prevent the manhole cover from opening.

At this time, the open membrane 33 is rotated to the opposite side to the blocking membrane 30 and is not opened by the fluid flowing in from the outside, but is opened only by the hydraulic pressure of the fluid flowing backward. To this end, an auxiliary weight 34 is formed at the end of the open membrane 33 so that the open membrane 33 normally closes the through hole 32 and is opened by hydraulic pressure when the fluid flows backward. Therefore, it is possible to prevent the normal odor from flowing back.

In addition, the auxiliary weight 34 is formed in the longitudinal direction of the open film 33 and is bent at a predetermined angle from the open film 33 in cross-section.

Here, the open film 33 is formed on the upper side of the blocking film 30 , that is, inside the storage container 20 on a horizontal plane, and the auxiliary weight 34 is formed to protrude below the blocking film 30 .

The blocking network 50 is mounted corresponding to the through-hole 21 of the reservoir 20 so as to form the same horizontal line as the top surface of the reservoir 20, and when the fluid flows through the inlet hole 11, foreign substances It is a device that filters and blocks

As described above, the blocking network 50 is seated on the seating jaw 22 of the through hole 21 formed in the storage tank 20 .

Here, the blocking network 50 may be formed in the form of a mesh network as a whole or a plurality of holes (not shown) to filter out only foreign substances while passing the fluid.

The safety information 45 is formed in any one of the above-described plate 10 upper surface, the inside of the storage bin 20, the upper surface of the blocking film 30, and the upper surface of the open film 33 installed to be opened and closed on the blocking film 30. , numbers and logos to enable quick recognition, and to prevent rapid maintenance and human damage for manhole management and prevention of safety accidents.

Of course, even when the safety information 45 is formed on the inside of the storage bin 20, the upper surface of the blocking film 30, and the open film 33, which is located below the blocking network 50, the safety information 45 is externally It is natural that the safety information 45 is formed in a size of a preset level or that the size of the mesh constituting the blocking network 50 is dense enough to confirm the safety information 45 so that the safety information 45 can be identified.

More specifically, there has been inconvenience in that the employees of the sewage pipe management office have to carry various file folders when they go to the site for maintenance of the sewage manhole box. In contrast, various warning boards are displayed on the upper surface of the plate 10, inside the reservoir 20, or on the blocking membrane 30 or on the open membrane 33, as well as information on the inflow and outflow pipe diameters of the sewage pipe and the sewage pipe within the pipe diameter. By displaying simple information such as the flow direction of the furnace, and the information of the sewage odor blocking device 70 for manholes, it is possible to increase work efficiency more,

In addition, the management number and various information of the manhole in which the sewage odor blocking device 70 for the manhole of the present invention is installed is displayed in the form of a barcode or QR code on the upper surface of the plate 10, the inside of the storage tank 20, or the blocking film 30 If it is attached and marked on the upper part or the upper part of the open membrane 33, the management office staff will be able to handle the case more quickly, and it guarantees the safety of the transmitter in the manhole, which is currently not being implemented due to corrosion due to various gases in the manhole box. By doing this, the business of the network of the sewage pipe central management system can be accelerated.

The safety information 45 for this purpose consists of a warning mark 41 for safety, a pipe information mark 42, a manhole information mark 43, and a blocking device information mark 44 as follows.

The warning mark 41 is a warning displayed in case of a suffocation risk or a fall risk.

The pipe information display 42 is pipe information in which each pipe diameter (pipe diameter) and the flow direction of sewage water of the inflow and outflow pipes inside the manhole 10 in which the sewage odor blocking device 70 for manholes of the present invention is installed is displayed. .

The manhole information mark 43 is a mark in which the management number and product information of the manhole cover 30 are displayed.

The blocking device information mark 44 is a mark in which the management number and product information of the sewage odor blocking device 70 for manholes of the present invention are displayed.

Of course, the safety information 45 is that all four pieces of information may be displayed or selectively displayed according to the manhole 10 in which the sewage odor blocking device 70 for the manhole is installed, the installation location, and the surrounding environment.

In addition, three methods are suggested as a display method in which the safety information 45 is displayed on the upper surface of the plate 10 , the inside of the reservoir 20 , or the upper portion of the blocking film 30 or the upper portion of the open film 33 .

When the upper surface of the plate 10, the reservoir 20, or the blocking film 30 or the open film 33 is injected or extruded and pressed, the safety information 45 is displayed in an engraved or embossed form. The form, the second display form in which the safety information 45 is displayed by screen or marking printing, and the third display form in which the safety information 45 is attached and displayed with a special sticker engraved with a barcode, these first, second, and third displays It is indicated that any one of the forms may be used, or two or more display forms may be used together.

In addition, the upper surface of the plate 10, the reservoir 20, or the blocking film 30 or the open film 33 has the upper surface of the plate 10, the reservoir ( 20) Inside or on the upper surface of the blocking film 30 or the upper surface of the open film 33, when toxic gas is detected in the first first color, a preset second color (ex: red, etc.) different from the first color (ex: white) By installing the changed gas detection sensor 60 with a sticker or device attached, the operator can either look at the sewage odor blocking device 70 for a manhole or repair the sewage odor blocking device 70 for a manhole. When removing the mesh 50 and repairing, replacing, or dismantling it, look at the color of the gas detection sticker and see whether the gas inside the manhole 10 is coming out of the sewage odor blocking device 70 for the manhole, or It is checked whether it has come out, so as to prevent safety accidents of workers due to the gas (harmful gas).

In addition, according to various embodiments of the user, on the inner circumferential surface of the storage tank 20, network transmission with the management server, that is, transmission for various information transmission/reception of the manhole in which the sewage odor blocking device 70 for the manhole is installed. Various electronic devices such as devices may be installed, and in order to accommodate these electronic devices, the lower surface of the plate 10 or the inner circumferential surface of the storage tank 20 is prepared for various gases to be generated to guarantee corrosion of the transmission device, It is possible to use a rubber material that blocks gas and moisture and has good adhesion, but avoids a silicone rubber material that has poor adhesion, and it is possible to form a storage space made of MBR rubber material that is strong in oil and can increase hardness. Of course, these transmitters and electronic devices may be installed on the blocking film 30 or the open film 33 as long as they have a weight and size that does not interfere with the opening and closing of the blocking film 30 or the open film 33 .

As described above, although the present invention has been described with reference to limited embodiments and drawings, the present invention is not limited thereto, and the technical spirit of the present invention and the following by those of ordinary skill in the art to which the present invention pertains. Of course, various modifications and changes are possible within the scope of equivalents of the claims to be described.

10: plate 11: inlet hole
12: rib 13: protrusion for handle
20: reservoir 21: through hole
22: seating jaw 30: blocking film
31: weight 32: through hole
33: open curtain 34: auxiliary weight
41: Warning sign 42: Piping information mark
43: Manhole information display 44: Blocking device information display
45: safety information 50: blocking network
51: hinge device 52: blocking net handle
60: gas sensor 70: sewage odor blocking device for manhole

Claims (7)

In the device installed in the manhole to block the odor of water and sewage from being discharged to the outside through the manhole,
Doedoe supported by the manhole, the inlet hole 11 is formed in the center so that external fluid flows in, and when supported on the manhole on the upper surface, a plate in which a plurality of ribs 12 protrude in the circumferential direction so as to withstand the load. (10);
A through hole 21 that is installed to correspond to the bottom surface of the plate 10 and communicates in a shape corresponding to the inlet hole 11 is formed on the upper surface, and the lower end portion to store the fluid introduced into the through hole 21 . The storage tank 20 is formed to be inclined;
Block formed in the form of a mesh network to filter and block foreign substances when the fluid flows in through the inlet hole 11 by being mounted on the through hole 21 so as to form the same horizontal line as the uppermost surface of the reservoir 20 . network 50;
The end of the membrane is coupled to the lower end of the reservoir 20 by a hinge to block the backflowing odor from being discharged to the outside, and one side of the membrane is formed as an inclined membrane, and normally, the end of the membrane to seal the lower end of the reservoir 20 by gravity. a blocking film 30 in which a weight 31 is horizontally formed in the portion, and a through hole 32 is formed in the central portion;
It is formed in any one of the upper surface of the plate 10, the inside of the reservoir 20, the upper surface of the blocking film 30, and the upper surface of the open film 33 that is installed to be open and closed on the blocking film 30, and is marked with numbers and logos to make it quick By enabling recognition, it is configured to include; and safety information 45 to prevent rapid maintenance and human damage for the management and maintenance of manholes and prevention of safety accidents.
By forming a seating protrusion 22 on the inner circumference of the through hole 21 of the storage container, the edge of the blocking net 50 is mounted on the seating jaw 22 while being mounted in a size corresponding to the through hole 21. , forming the same horizontal line as the top surface of the storage tank (20),
In the through hole 32 of the blocking film 30, an open film 33 is hinged to prevent the backflow of odors in normal times and to prevent the fluid from flowing back and opening the manhole cover by water pressure in the rainy season or rainy weather. The end of the auxiliary weight 34 is closed so that the open membrane 33 is rotated to the opposite side to the blocking membrane 30 so that it is not opened by the fluid flowing in from the outside but only by the hydraulic pressure of the backflowing fluid. formed in wealth,
The safety information 45 is
Warning signs (41) displayed in case of suffocation and fall risk;
The manhole 10, the pipe information display 42, the pipe diameter of the inlet and outlet pipes and the flow direction of the sewage is displayed;
Manhole information display 43 on which the management number and product information of the manhole cover 30 are displayed;
Blocking device information display 44 for displaying the management number and product information of the sewage odor blocking device 70 for manhole; is made of,
The safety information 45 is
When manufacturing the upper surface of the plate 10 or the reservoir 20 or the blocking film 30 or the open film 33,
a first display form in which the safety information 45 is displayed in an engraved or embossed form;
a second display form in which the safety information 45 is displayed by screen or marking printing;
a third display form in which the safety information 45 is attached and displayed as a special sticker engraved with a barcode; Either one is indicated and used, or two or more display forms are used together,
In order to determine the presence or absence of toxic gas in the storage tank 20,
On the upper surface of the plate 10 or the upper surface of the blocking film 30, a gas detection sensor 60 that is changed from a first color to a preset second color different from the first color when a toxic gas is detected is attached in the form of a sticker or device installed,
On the lower surface of the reservoir 20 and the plate 10,
An electronic device for exchanging information on the manhole in which the sewage odor blocking device 70 for manhole is installed with the management server can be installed, and a storage space made of MBR rubber is formed in the storage bin 20 to prevent corrosion of the electronic device. A sewage odor blocking device for manholes, characterized in that it becomes
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