KR20110093249A - A pressure controller with a manhole cover - Google Patents

A pressure controller with a manhole cover Download PDF

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Publication number
KR20110093249A
KR20110093249A KR1020100013167A KR20100013167A KR20110093249A KR 20110093249 A KR20110093249 A KR 20110093249A KR 1020100013167 A KR1020100013167 A KR 1020100013167A KR 20100013167 A KR20100013167 A KR 20100013167A KR 20110093249 A KR20110093249 A KR 20110093249A
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KR
South Korea
Prior art keywords
manhole cover
manhole
valve
center guide
sealing plate
Prior art date
Application number
KR1020100013167A
Other languages
Korean (ko)
Inventor
이재현
Original Assignee
화동주물공업주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 화동주물공업주식회사 filed Critical 화동주물공업주식회사
Priority to KR1020100013167A priority Critical patent/KR20110093249A/en
Publication of KR20110093249A publication Critical patent/KR20110093249A/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1436—Covers for manholes or the like; Frames for covers with overflow or explosion control means, e.g. check or relief valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/0413—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded in the form of closure plates
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F2005/0416—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with an odour seal
    • E03F2005/0417—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with an odour seal in the form of a valve
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/041—Accessories therefor

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Abstract

The present invention relates to a manhole cover having a pressure regulator.
The present invention is characterized in that in the manhole cover covering the opening of the manhole support fixed to the ground, the pressure regulator to automatically open and close the valve when the internal pressure acts on the upper surface of the manhole cover is provided.
The present invention allows the valve provided in the manhole cover to always maintain the airtight state through the elastic action and at the same time when the gas pressure or the water pressure in the manhole is above a certain level, the valve is automatically raised to relieve the internal pressure to submerge the low zone It is effective to prevent back.

Description

A pressure controller with a manhole cover

The present invention relates to a manhole of a lockable structure, and more particularly, to provide a valve that is coupled to the manhole support to cover the manhole to provide a valve that can be automatically opened by water pressure when unnecessary hydraulic pressure inside the manhole. When the water pressure acts inside the manhole relates to a manhole cover having a pressure regulator that can eliminate this by minimizing secondary damage such as flooding around the lowlands.

In general, the manhole is a structure that is installed on the ground, such as a road, at regular intervals so that the underground buried and the outside can be connected to enter and exit the water, sewage and telecommunication facilities buried underground.

In general, the manhole is formed in a circular or rectangular shape, and consists of a manhole support embedded in the ground and a manhole cover that opens and closes the opening of the manhole support. Through the opening of the base, the buried material buried underground is maintained.

However, the manhole cover is simply a structure that is seated on the manhole support has been a problem that the lifting phenomenon occurs when the vehicle, etc. often passes, and the manhole cover has moved away from the position accordingly.

In addition, when it is applied to the drainage has been a problem that causes another accident by leaving the position by the water pressure when a heavy rain or the like occurs.

In order to solve such a problem, a manhole cover having a locking device for keeping the manhole cover seated on the manhole support has been fixed has been proposed and released.

That is, the manhole support is provided with a separate locking mechanism to maintain the state in which the manhole cover is fixed through the locking hole when the manhole cover is seated.

For example, Utility Registration No. 20-0405290, "Manhole Cover Locking Device," has been filed and registered.

It is provided with rotatable latches on both sides of the bottom of the manhole cover (hereinafter referred to as manhole cover), and the latch is locked to the manhole support while rotating during the closing operation of the manhole cover. After that, the manhole cover has to be opened.

However, in the case of the manhole cover is always kept in a locked state, when a lot of rainwater inflows into the manhole during rainy weather has been a problem of causing damage to the surroundings by flooding through the sewage pipe rather than rainwater.

That is, there has been a problem that the sewage flooded through the manhole installed in the lowland as the lockable manhole installed in the highland always remains locked.

Accordingly, the present invention has been made to solve the above problems and the object of the present invention is

first; When the gas pressure or water pressure in the manhole exceeds a certain level, the valve is raised to relieve the internal pressure.

second; The valve provided in the manhole cover is elastic so that the airtightness can always be maintained.

third; The lifting and lowering valve maintains the minimum contact surface with respect to the contact surface of the manhole cover, so that the lifting and lowering can be easily performed.

fourth; The surface of the manhole cover, which the valve contacts, maintains a chamfer or rounding angle to prevent foreign matters from accumulating.

fifth; The valve is to be raised and lowered only vertically.

The present invention to achieve the above object,

In the manhole cover that covers the opening of the manhole support fixed to the ground,

When the internal pressure is applied to the upper surface of the manhole cover is characterized in that the pressure regulator is provided to automatically open and lowered and opened and closed.

The pressure regulator may include a center guide hole formed to penetrate up and down on an upper surface of the manhole cover, and a plurality of through holes and upper sealing plates formed to penetrate up and down along an outer periphery of the center guide hole. The valve is in close contact with the upper surface of the through hole and the lower center guide rod is moved up and down through the center guide hole, provided between the bottom of the manhole cover and the lower end of the center guide rod of the valve, the sealing plate of the valve is passed through It can be configured to include a restoring spring to elastically cover the hole.

In addition, it is preferable that the sealing plate is inserted into the insertion groove formed in the manhole cover so that the upper surface of the sealing plate and the upper surface of the manhole cover maintain at least the same plane.

In addition, the bottom edge of the sealing plate will be possible to form a chamfer or rounding inclination angle to be coupled to maintain a minimum contact point.

In addition, the edge of the insertion groove in contact with the sealing plate will be able to form a chamfer or rounding inclination angle.

In addition, the rubber packing is coupled to the bottom surface of the sealing plate or the bottom surface of the insertion groove will be possible to maintain the airtight.

Therefore, the manhole cover having a pressure regulator according to the present invention,

first; When the pressure is over a certain amount due to sewage inside the manhole, the valve is automatically raised by the pressure to discharge the sewage through the valve, thereby minimizing the damage of the lowland flooding.

second; The valve provided in the manhole cover has an effect that can always be kept airtight through the elastic action of the restoring spring.

third; As the lifted and lowered valve maintains the minimum contact surface with respect to the contact surface of the manhole cover, the lifting and lowering of the valve is easily performed.

fourth; As the surface of the manhole cover in contact with the valve forms a chamfer or rounding angle, foreign matters and the like do not accumulate on the surface.

1 is a plan view of a manhole cover having a pressure regulator according to the present invention,
FIG. 2 is a cross-sectional view taken along line “BB” of FIG. 1;
3 is a cross-sectional view of the manhole cover having a pressure regulator according to the present invention coupled to the manhole support,
4 is an enlarged cross-sectional view of the main part of FIG.
FIG. 5 is an essential part of an operating state illustrating a state in which pressure is generated in the underground structure and the valve is elevated in FIG. 4;
FIG. 6 is an enlarged sectional view of “F” portion of FIG. 5;
7 is another embodiment of FIG. 6,
8 is another embodiment of FIG. 6,
9 is another embodiment of FIG. 6;

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may obscure the subject matter of the present invention. do.

The present invention, the manhole support 100 is fixed to a position in communication with the underground structure on the ground by the illustration of Figures 1 to 3, and the open hole 110 of the vertical open structure formed in the manhole support 100 The cover includes a manhole cover 200 that is secured to be locked through a separate lock, and a pressure regulator provided in the manhole cover 200 to automatically open and close the valve 300 when an internal pressure is applied. .

The manhole support 100 is manufactured by the same method as that known in the art, and is fixedly installed on the ground. An opening hole 110 penetrating up and down is formed in the center thereof, and a locking jaw 120 is formed on the inner wall of the manhole cover 200 along the periphery thereof.

The manhole cover 200 is mounted on the latching jaw 120 while being coupled to the opening hole 110 formed in the manhole support 100. In addition, an upwardly open insertion groove 210 is formed at a central position of the manhole cover 200, and a center guide hole 220 vertically penetrated vertically through the bottom surface of the insertion groove 210 and the center thereof. A plurality of through holes 230 open up and down along the periphery of the outer periphery around the guide hole 220 is formed in a radial shape.

Here, the manhole cover 200 coupled to the manhole support 100 is made of a lockable structure, the lockable structure is locked through a known locking device.

Known locks are provided in the locking structure for forming a screw hole in the manhole support and fastening the manhole cover with a bolt, the locking structure in which the manhole cover is screwed to the manhole support, and provided at one side of the manhole support and the manhole cover, Restraining locking structure or the like may be applied.

The pressure regulator is formed so as to penetrate up and down along the periphery of the center guide hole 220, which is formed to penetrate up and down on the upper surface of the manhole cover 200, the outer peripheral portion around the center guide hole 220 The plurality of through holes 230 and the upper sealing plate 310 are inserted into the insertion groove 210 to be in close contact with the upper surface of the through hole 230 and the lower center guide rod 320 is the center guide. It is provided between the valve 300, which is raised and lowered through the hole 220, the bottom of the manhole cover 200, and a lower end of the center guide rod 320 of the valve 300, so that the sealing plate of the valve 300 ( 310 is composed of a restoring spring 340 to elastically cover the through-hole 230.

Here, when the sealing plate 310 is inserted into the insertion groove 210 formed in the manhole cover 200 so that the upper surface of the sealing plate 310 and the upper surface of the manhole cover 200 to maintain at least the same plane. It is preferable to.

In addition, as shown in FIG. 6, an inclined angle 312 formed by chamfering or rounding of the bottom edge of the sealing plate 310 may be formed to maintain a minimum contact point.

In this case, as the sealing plate 310 maintains a minimum contact point with the insertion groove 210, the sealing plate 310 can easily lift the sealing plate 310 when the internal pressure is applied, as well as the insertion groove 210. Even in the presence of foreign matter, it is possible to maintain stable airtightness.

In addition, as illustrated in FIG. 7, an edge of the insertion groove 210, which is in contact with the sealing plate 310, may be formed at an inclination angle 212 formed by chamfering or rounding.

This, when foreign matter is accumulated in the insertion groove 210 in accordance with the lifting operation of the sealing plate 310 so that it can be easily moved into the manhole.

In addition, the rubber packing 214 is coupled to the bottom surface of the sealing plate 310 or the bottom surface of the insertion groove 210 as shown in Figure 8 may be kept airtight.

This increases the adhesion between the sealing plate 310 and the insertion groove 210 to maintain a stable airtight state when the internal pressure does not work.

In the drawings, reference numerals 380 and 382 are for supporting a restoration spring 340 that is wrapped and coupled through the lower end of the center guide rod 320 as a support ring, so that the sealing plate 310 can be elastically pulled. It is for.

Reference numeral 390 in the figure is fixed to the lower end of the center guide rod 320 by a lock to prevent the separation of the support ring 382 for supporting the restoration spring 340.

The installation and operation of the manhole cover having a pressure regulator according to the present invention configured as described above will be described in detail with reference to the accompanying drawings.

When assembling, the center guide rod 320 constituting the valve 300 is inserted into the center guide hole 220 formed in the bottom surface of the insertion groove 210 of the manhole cover 200, as shown in FIGS. 2 to 4. . Then the support ring 380 and the restoring spring 340 and the other support ring 382 continuously inserted into the end of the center guide rod 320 protruding to the bottom surface of the manhole cover 200 and the center guide The locking mechanism 390 is fixed to the lower end of the rod 320.

Thereafter, the manhole cover 200 to which the valve 300 is coupled is positioned to be locked to the locking step 120 formed on the inner wall of the opening hole of the manhole support 100, and then locked by a separate locking device.

When water pressure is generated in this state, as shown in FIGS. 4 and 5, the upward pressure acts on the bottom surface of the sealing plate 310, and the manhole cover 200 is lifted while the sealing plate 310 is lifted up. The through hole formed in the outside is exposed to the outside so that the internal pressure can be released.

Figure 9 shows another example according to the present invention, the bottom surface of the insertion groove 210 formed in the manhole cover 200, the close contact with the insertion groove 210 from the through-hole 230 The plurality of guide grooves 218 are formed in a radial shape so as to be smaller than the contact surface of the sealing plate 310.

This allows the lifting plate 310 to be easily lifted through the guide groove 210 when a relatively small pressure is generated inside the manhole, so that the internal pressure is rapidly increased to the outside with the minimum lifting state of the sealing plate 310. It is to be able to discharge.

Although the above described and illustrated a preferred embodiment according to the present invention, the present invention is equally applicable to an open manhole covering the manhole through the self-gravity of the manhole cover 200 as well as the lockable manhole, which is claimed in the present invention. You will be able to belong to the same range.

100: manhole support
200: manhole cover
210: insertion groove 212: inclination angle
214: rubber packing 220: center guide hole
230: through hole
300: valve

Claims (1)

In the manhole cover that covers the opening of the manhole support fixed to the ground,
A pressure regulator is provided on the upper surface of the manhole cover to automatically open and lower the valve when the internal pressure is applied;
The pressure regulator,
A center guide hole formed to penetrate up and down on the upper surface of the manhole cover, a plurality of through holes formed to penetrate up and down along the periphery of the outer periphery centered on the center guide hole, and an upper sealing plate closely adheres to the upper surface of the through hole The lower center guide rod is provided between the bottom of the manhole cover and the lower end of the center guide rod of the valve so that the sealing plate of the valve resiliently covers the passage hole. Including a restoring spring;
The center guide hole is formed in a square shape and the center guide rod slide-inserted into the center guide hole has a polygonal shape;
The bottom edge of the sealing plate forms a chamfer or rounding inclination angle to maintain a minimum contact point and to be coupled;
A manhole cover having a pressure regulator on the bottom surface of the insertion groove, a plurality of guide grooves in a radial shape to be smaller than the contact surface of the sealing plate in close contact with the insertion groove from the through hole.
KR1020100013167A 2010-02-12 2010-02-12 A pressure controller with a manhole cover KR20110093249A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100013167A KR20110093249A (en) 2010-02-12 2010-02-12 A pressure controller with a manhole cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100013167A KR20110093249A (en) 2010-02-12 2010-02-12 A pressure controller with a manhole cover

Publications (1)

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KR20110093249A true KR20110093249A (en) 2011-08-18

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104480972A (en) * 2014-12-10 2015-04-01 苏州汇诚智造工业设计有限公司 Easy-to-open manhole cover with warning function and manufacturing method of manhole cover
WO2018143963A1 (en) * 2017-01-31 2018-08-09 David Putnam Vented precipitation guarding manhole cover assemblies
KR102052884B1 (en) * 2019-06-11 2020-01-22 신우종합철강(주) Device for regulating pressure of manhole cover
KR102075623B1 (en) * 2019-08-09 2020-02-11 세운산업 주식회사 manhole for auto gas exhaust and height control
RU2734687C2 (en) * 2018-08-16 2020-10-22 Федеральное государственное бюджетное образовательное учреждение высшего образования "Горский государственный аграрный университет" Manhole cover of underground utilities
KR102614092B1 (en) * 2023-09-14 2023-12-13 배성규 Manhole capable of regulating inner pressure

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104480972A (en) * 2014-12-10 2015-04-01 苏州汇诚智造工业设计有限公司 Easy-to-open manhole cover with warning function and manufacturing method of manhole cover
WO2018143963A1 (en) * 2017-01-31 2018-08-09 David Putnam Vented precipitation guarding manhole cover assemblies
RU2734687C2 (en) * 2018-08-16 2020-10-22 Федеральное государственное бюджетное образовательное учреждение высшего образования "Горский государственный аграрный университет" Manhole cover of underground utilities
KR102052884B1 (en) * 2019-06-11 2020-01-22 신우종합철강(주) Device for regulating pressure of manhole cover
KR102075623B1 (en) * 2019-08-09 2020-02-11 세운산업 주식회사 manhole for auto gas exhaust and height control
KR102614092B1 (en) * 2023-09-14 2023-12-13 배성규 Manhole capable of regulating inner pressure

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