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KR100768529B1 - Check valve with deformation prevention function of rubber disc for waterworks - Google Patents

Check valve with deformation prevention function of rubber disc for waterworks Download PDF

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Publication number
KR100768529B1
KR100768529B1 KR1020060135009A KR20060135009A KR100768529B1 KR 100768529 B1 KR100768529 B1 KR 100768529B1 KR 1020060135009 A KR1020060135009 A KR 1020060135009A KR 20060135009 A KR20060135009 A KR 20060135009A KR 100768529 B1 KR100768529 B1 KR 100768529B1
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South Korea
Prior art keywords
rubber disk
fluid
check valve
rubber
inflow side
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Korean (ko)
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김영아
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주식회사 한국 종합엔지니어링
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00Water main or service pipe systems
    • E03B7/07Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • E03B7/077Arrangement of backflow preventing devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00Check valves
    • F16K15/02Check valves with guided rigid valve members
    • F16K15/03Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K25/00Details relating to contact between valve members and seats

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Check Valves (AREA)

Abstract

본 발명은 고무 디스크가 역류 압력을 받아 변형되는 것을 방지하기 위한 상수도용 고무 디스크의 변형 방지 기능을 갖는 역지밸브를 제공함에 있다. 이러한 본 발명은 밸브의 유체 유입측에 고무 디스크를 지지하기 위한 금속판을 설치하여 고무 디스크가 역류 압력을 받아 변형되는 것을 효과적으로 방지함으로서 본래의 우수한 수밀성을 그대로 유지하면서 역류를 차단하게 한 것이다.An object of the present invention is to provide a check valve having a function of preventing deformation of a rubber disk for water supply to prevent a rubber disk from being deformed due to reverse flow pressure. In the present invention, a metal plate for supporting a rubber disk is provided on the fluid inflow side of the valve to effectively prevent the rubber disk from being deformed due to the back pressure, thereby preventing reverse flow while maintaining the excellent water tightness.

Description

상수도용 고무 디스크의 변형 방지 기능을 갖는 역지밸브{Check Valve Having Function For Preventing Transformation Of Rubber Disk}BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a check valve having a function of preventing deformation of a rubber disk for a water supply,

도1은 본 발명에 따른 역지밸브를 나타낸 단면도,1 is a sectional view showing a check valve according to the present invention,

도2는 도1에서 도면부호 20을 나타낸 사시도이다.Fig. 2 is a perspective view showing the reference numeral 20 in Fig. 1. Fig.

<도면의 주요부분에 대한 부호의 설명>Description of the Related Art

1:유체 유동로 11:밸브 몸체1: fluid flow path 11: valve body

13:유체 유입측 15:회전축13: fluid inflow side 15: rotary shaft

17:고무 디스크 20:금속판17: rubber disc 20: metal plate

21:구멍21: hole

본 발명은 예컨대, 물과 같은 유체 유동로(파이프라인)의 중간에 설치되어 유체 유동에 에러가 발생했을 시 유체의 역류를 방지하는데 사용되는 역지밸브에 관한 것으로, 특히 유체 유입측을 개폐하는 고무 디스크가 역류 압력을 받아 변형되는 것을 방지하도록 한 상수도용 고무 디스크의 변형 방지 기능을 갖는 역지밸브에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a check valve installed in the middle of a fluid flow path such as water to prevent reverse flow of fluid when an error occurs in fluid flow, The present invention relates to a check valve having a function of preventing deformation of a rubber disk for a water supply, which prevents the disk from being deformed due to reverse flow pressure.

일반적으로 예컨대, 물과 같은 유체 유동로의 중간 즉, 펌프장의 펌프 토출측에는 가동중 정전이나 기기의 고장 등과 같은 유체 유동에 에러가 발생했을 시 즉, 펌프의 정지시 유체의 역류를 차단하기 위해서 역지밸브가 설치되어 있음이 주지된 사실이다. 역지밸브는 밸브 몸체의 내부 유체 유입측에 유체의 유동에 따라 회전하는 디스크를 장착하여, 유체 유동에 에러가 발생했을 시 역류 압력으로 열렸던 디스크를 닫아 유체 유입측을 폐쇄함으로서 역류를 차단하고 있다.Generally, for example, in the middle of a fluid flow such as water, that is, on a pump discharge side of a pump station, when an error occurs in a fluid flow such as a power failure during operation or a failure of the device, It is well known that a valve is installed. The check valve is provided with a disk rotating according to the flow of the fluid at the fluid inlet side of the valve body so as to block the reverse flow by closing the disk opened by the reverse flow pressure and closing the fluid inlet side when an error occurs in the fluid flow.

그러나 디스크가 금속 디스크인 경우에는 무거워 유체 흐름에 민감하게 반응하지 못하므로 수충격(water hammer)을 유발하는 문제가 있고, 그 문제를 해결하기 위해서 수밀성이 우수하면서도 경량인 고무 디스크를 사용할 경우에는 역류 압력이 고압인 경우 구부러지는 등의 변형을 일으켜 유체 유입측에 수밀성을 깨는 문제가 있다. 이 이유로 고무 디스크는 고압용으로는 사용할 수 없다는 문제가 있다. 따라서 그 문제를 해결하기 위해서 고무 디스크의 내부에 금속심재를 넣어 보강하면 그 무게가 금속 디스크와 비교하여 큰 차이가 없기 때문에 유체 흐름에 민감하게 반응하지 못한다는 문제가 있다.However, when the disc is a metal disc, it is heavy and does not react sensitively to the fluid flow. Therefore, there is a problem that water hammer is caused. To solve the problem, when a rubber disc having excellent water- There is a problem that when the pressure is high, it is deformed such as bending, thereby breaking the water tightness on the fluid inflow side. For this reason, there is a problem that the rubber disk can not be used for high pressure. Therefore, in order to solve the problem, there is a problem in that when the metal core is reinforced by inserting the metal core in the rubber disk, the weight is not sensitive to the fluid flow because there is no big difference compared to the metal disk.

따라서 본 발명의 목적은 이와 같은 문제점을 해결하기 위한 것으로, 유체 유입측에 고무 디스크를 지지하기 위한 금속판을 설치함으로서 고무 디스크가 역류 압력을 받아 변형되는 것을 방지하기 위한 상수도용 고무 디스크의 변형 방지 기능을 갖는 역지밸브를 제공하는데 있다.SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems occurring in the prior art, and it is an object of the present invention to provide a metal disk for supporting a rubber disk on a fluid inflow side, And a check valve.

상기와 같은 목적을 달성하기 위한 본 발명은 유체 유동로의 중간에 설치되어 유체를 관통시키는 밸브 몸체와, 그 밸브 몸체의 내부 유체 유입측에 회전되게 설치되어 유체의 유동에 따라 상기 유체 유입측을 개폐함으로서 역류를 차단하기 위한 고무 디스크; 및According to an aspect of the present invention, there is provided a fluid control valve comprising: a valve body disposed in the middle of a fluid flow path to allow fluid to pass therethrough; a valve body rotatably installed on the fluid inlet side of the valve body, A rubber disk for blocking reverse flow by opening and closing; And

상기 고무 디스크의 뒷쪽으로 상기 밸브 몸체의 유체 유입측에 고정 설치되어 상기 유체 유입측을 폐쇄한 상기 고무 디스크를 지지함으로서 역류 압력에 의해서 상기 고무 디스크가 변형되는 것을 방지하도록 한 다수개의 구멍들이 설치된 금속판을 포함하는것을 특징으로 한다.A rubber disk having a plurality of holes formed therein for preventing deformation of the rubber disk due to a reverse flow pressure by supporting the rubber disk which is fixed to the fluid inflow side of the valve body on the back side of the rubber disk and closed the fluid inflow side, And a control unit.

상기 목적 및 장점 그리고 다른 특징은 첨부 도면을 참조한 아래의 설명으로 부터 명백할 것이다.These and other objects and advantages will be apparent from the following description taken in conjunction with the accompanying drawings.

이하, 본 발명의 바람직한 실시예를 첨부한 도면을 참조하여 상세히 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도1은 본 발명에 따른 역지밸브를 나타낸 단면도, 도2는 도1에서 도면부호 20을 나타낸 사시도이다.FIG. 1 is a cross-sectional view showing a check valve according to the present invention, and FIG. 2 is a perspective view of the check valve 20 shown in FIG.

도면에 나타낸 바와 같이, 본 발명에 따른 역지밸브는 유체 유동로(1)의 중간에 설치되어 유체를 관통시키는 밸브 몸체(11)와, 그 밸브 몸체(11)의 내부 유체 유입측(13)에 상기 밸브 몸체(11)의 내부를 관통하는 회전축(15)에 연결됨으로서 회전되게 설치되어 유체의 유동에 따라 상기 유입측(13)을 개폐함으로서 역류를 차단하기 위한 고무 디스크(17)로 이루어진 밸브(10)를 구비하고 있다. 상기 밸브(10)는 가동중 정전이나 기기의 고장 등과 같은 유체 유동에 에러가 발생했을 시 유체를 유동시키기 위해서 열렸던 상기 고무 디스크(17)가 역류 압력을 받아 회전하여 상기 유입측(13)을 폐쇄함으로서 화살표 방향으로의 유체의 역류를 차단한다.As shown in the figure, the check valve according to the present invention is provided with a valve body 11 installed in the middle of a fluid flow path 1 for passing a fluid therethrough, and a valve body 11 disposed on the inner fluid inlet side 13 of the valve body 11 And a rubber disk 17 connected to a rotating shaft 15 penetrating the inside of the valve body 11 to block the reverse flow by opening and closing the inflow side 13 according to the flow of the fluid. 10). When an error occurs in a fluid flow such as a power failure during operation or a failure of the device, the valve 10 rotates in response to the backward flow pressure of the rubber disk 17 opened to flow the fluid to close the inflow side 13 Thereby blocking backflow of the fluid in the direction of the arrow.

상기 고무 디스크(17)의 뒷쪽으로 상기 밸브 몸체(11)의 유체 유입측(13)에는 금속판(20)이 고정 설치되어 있다. 상기 금속판(20)은 다수개의 구멍들(21)을 갖고 설치되기 때문에 유체 유동의 장애를 최소화 한다. 상기 금속판(20)은 외주연에 나사를 낸 원형으로 형성되어, 상기 유체 유입측(13)의 벽면에 형성된 원형 나사홈에 나사 결합됨으로서 설치됨이 가장 바람직하나, 설치 방법은 다양하기 때문에 한정한 것은 아니다.A metal plate 20 is fixedly installed on the fluid inlet side 13 of the valve body 11 rearward of the rubber disk 17. Since the metal plate 20 is provided with a plurality of holes 21, the obstruction of fluid flow is minimized. It is most preferable that the metal plate 20 is formed in a circular shape with a thread on the outer circumference and screwed into a circular thread groove formed on a wall surface of the fluid inlet side 13, no.

따라서 상기와 같은 이유로 유체 유동에 에러가 발생함으로서 상기 고무 디스크(17)가 역류 압력을 받아 상기 유입측(13)을 폐쇄한다 하더라도, 상기 금속판(20)이 뒷쪽에서 상기 고무 디스크(17)를 지지하고 있기 때문에, 상기 고무 디스크(17)는 구부러지는 등의 변형이 일어나지 않아 본래의 수밀성을 그대로 유지하면서 유체의 역류를 효과적으로 차단한다. 이 때문에 상기 금속판(20)은 상기 고무 디스크(17)가 고압용으로 사용될 수 있게 한다.Therefore, even if the rubber disk 17 receives the back flow pressure and closes the inflow side 13 due to an error in the fluid flow due to the above-mentioned reason, the metal plate 20 can not support the rubber disk 17 The rubber disc 17 does not deform such as bending, and effectively prevents the reverse flow of the fluid while maintaining the inherent water tightness. Therefore, the metal plate 20 enables the rubber disk 17 to be used for high pressure.

상술한 바와 같이 본 발명에 의하면, 밸브의 유체 유입측에 고무 디스크를 지지하기 위한 금속판을 설치하여 고무 디스크가 역류 압력을 받아 변형되는 것을 효과적으로 방지함으로서 본래의 우수한 수밀성을 그대로 유지하면서 역류를 차단하게 한 효과가 있다.As described above, according to the present invention, a metal plate for supporting a rubber disk is provided on a fluid inflow side of a valve to effectively prevent the rubber disk from being deformed due to back pressure, thereby preventing reverse flow while maintaining the excellent water tightness There is an effect.

Claims (1)

유체 유동로의 중간에 설치되어 유체를 관통시키는 밸브 몸체와, 그 밸브 몸체의 내부 유체 유입측에 회전되게 설치되어 유체의 유동에 따라 상기 유체 유입측을 개폐함으로서 역류를 차단하기 위한 고무 디스크; 및A rubber disk installed to be rotatably installed on an inner fluid inflow side of the valve body to block the reverse flow by opening and closing the fluid inflow side according to the flow of the fluid; And 상기 고무 디스크의 뒷쪽으로 상기 밸브 몸체의 유체 유입측에 고정 설치되어 상기 유체 유입측을 폐쇄한 상기 고무 디스크를 지지함으로서 역류 압력에 의해서 상기 고무 디스크가 변형되는 것을 방지하도록 한 다수개의 구멍들이 설치된 금속판을 포함하는 상수도용 고무 디스크의 변형 방지 기능을 갖는 역지밸브.A rubber disk having a plurality of holes formed therein for preventing deformation of the rubber disk due to a reverse flow pressure by supporting the rubber disk which is fixed to the fluid inflow side of the valve body on the back side of the rubber disk and closed the fluid inflow side, Wherein the check valve has a function of preventing deformation of the rubber disc for water supply.
KR1020060135009A 2006-12-27 2006-12-27 Check valve with deformation prevention function of rubber disc for waterworks Active KR100768529B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103422542A (en) * 2013-08-07 2013-12-04 沈阳建筑大学建筑设计研究院 Rotary plate type overflowing pipeline insect prevention device
KR101433076B1 (en) * 2013-12-06 2014-08-25 롯데건설 주식회사 System for managing stormwater runoff and underground water
KR101770784B1 (en) * 2015-12-02 2017-08-23 동아대학교 산학협력단 Check valve comprising a anti-cavitation disk

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KR20190000910A (en) * 2009-08-03 2019-01-03 유니버시티 오브 마이애미 Method for in vivo expansion of t regulatory cells
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Publication number Priority date Publication date Assignee Title
JPS59144871A (en) 1983-02-04 1984-08-20 Kyoei Zoki Kk Check valve for transferring solid matter
KR200165916Y1 (en) 1999-07-20 2000-02-15 이하림 Check valve for pipe
KR200182690Y1 (en) 1999-12-24 2000-05-15 대성계전주식회사 Gas meter for having a valve disturbing an inverse current gas
KR200260319Y1 (en) 2001-10-19 2002-01-10 김덕현 Check valve
KR200423885Y1 (en) 2006-05-23 2006-08-11 장동원 Sewer catchback trap
KR200431986Y1 (en) 2006-09-04 2006-11-27 박춘웅 Angle check valve
KR20190000910A (en) * 2009-08-03 2019-01-03 유니버시티 오브 마이애미 Method for in vivo expansion of t regulatory cells
KR20190000960U (en) * 2017-10-16 2019-04-24 김종만 Built-in black box with mirror function for left and right side

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103422542A (en) * 2013-08-07 2013-12-04 沈阳建筑大学建筑设计研究院 Rotary plate type overflowing pipeline insect prevention device
KR101433076B1 (en) * 2013-12-06 2014-08-25 롯데건설 주식회사 System for managing stormwater runoff and underground water
KR101770784B1 (en) * 2015-12-02 2017-08-23 동아대학교 산학협력단 Check valve comprising a anti-cavitation disk

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