KR20010016319A - A valve having a by-pass means - Google Patents

A valve having a by-pass means Download PDF

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Publication number
KR20010016319A
KR20010016319A KR1020000072670A KR20000072670A KR20010016319A KR 20010016319 A KR20010016319 A KR 20010016319A KR 1020000072670 A KR1020000072670 A KR 1020000072670A KR 20000072670 A KR20000072670 A KR 20000072670A KR 20010016319 A KR20010016319 A KR 20010016319A
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KR
South Korea
Prior art keywords
valve
tee
valve body
opening
inlet
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KR1020000072670A
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Korean (ko)
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KR100390711B1 (en
Inventor
정선우
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박종호
국제스틸공업 주식회사
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Priority to KR10-2000-0072670A priority Critical patent/KR100390711B1/en
Publication of KR20010016319A publication Critical patent/KR20010016319A/en
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Publication of KR100390711B1 publication Critical patent/KR100390711B1/en

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    • 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
    • F16K5/00Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/02Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
    • F16K5/0207Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor with special plug arrangement, e.g. special shape or built in means
    • 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
    • F16K13/00Other constructional types of cut-off apparatus; Arrangements for cutting-off
    • F16K13/02Other constructional types of cut-off apparatus; Arrangements for cutting-off with both sealing faces shaped as small segments of a cylinder and the moving member pivotally mounted
    • 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
    • F16K47/00Means in valves for absorbing fluid energy
    • F16K47/02Means in valves for absorbing fluid energy for preventing water-hammer or noise
    • F16K47/023Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement
    • 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
    • F16K5/00Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/02Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
    • F16K5/0242Spindles and actuating means
    • 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
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/44Mechanical actuating means
    • F16K31/60Handles

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)

Abstract

PURPOSE: A valve having a by-pass unit is provided to discharge fluid of an inlet side to an outlet side in a by-pass manner while a by-pass oil path of a valve body is opened by an initial motion rotating a handle. CONSTITUTION: A valve having a by-pass unit includes a valve body(3) having an inlet(1) and an outlet(2), a disk(4) for opening and shutting an oil path of the valve body, a valve stem(6) moving vertically according to the rotation of a handle(5) and a T-hole for inserting a T-shaped part of the valve stem. The height of the T-hole is higher than the thickness of the T-shaped part. An inflow path communicating with the inlet is formed on a side wall of the T-hole and a connection path is formed vertically on a lower portion of the T-hole. The connection path has a discharge path, which communicates with the outlet, formed on the other side of the connection path. An opening unit is elastically mounted on a lower portion of the connection path for opening and shutting the connection path.

Description

바이패스수단을 구비한 밸브{A valve having a by-pass means}A valve having a by-pass means

본 발명은 바이패스수단을 구비한 밸브에 관한 것으로, 더욱 상세하게는 밸브의 핸들을 회동시킴에 따라서 승하강하며 밸브본체 내의 유로를 개폐하는 디스크에 밸브본체의 유입구측의 유체가 배출구측으로 배출될 수 있도록 하는 바이패스 유로를 형성하고, 이 바이패스 유로에는 밸브스템의 승하강에 따라서 바이패스 유로를 개폐하는 개폐구를 탄력적으로 설치함으로서, 밸브본체의 유로를 개방하기 위하여 핸들을 회동시킬 때 핸들을 1차적으로 조금만 돌리는 초기 동작에 디스크에 형성된 바이패스 유로가 개방되면서 밸브본체의 유입구측의 유체가 배출구측으로 바이패스 배출되게 하고, 뒤이어 2차로 디스크를 상승시켜서 밸브본체의 유로를 전면 개방시킬 수 있도록 하기 위한 것이다.The present invention relates to a valve having a bypass means, and more particularly, the fluid at the inlet side of the valve body is discharged to the outlet side in a disk for lifting and lowering as the handle of the valve rotates and opening and closing the flow path in the valve body. Bypass flow path is formed so that the bypass flow path can be elastically provided with an opening and closing port for opening and closing the bypass flow path as the valve stem moves up and down. In the initial operation of the first rotation, the bypass flow path formed in the disk is opened so that the fluid at the inlet side of the valve body is bypassed to the outlet side, and then the disc is raised secondly to open the valve body at the front. It is to.

일반적으로 밸브는 핸들을 회동시킴에 따라 밸브스템이 승하강하게 되고, 핸들의 회동에 따라 승하강하는 밸브스템의 말단부에는 밸브본체의 내측 중앙부, 즉 밸브본체의 유로를 막고 있는 디스크가 설치되어서, 상기 밸브스템이 상승함에 따라 디스크가 함께 상승하면서 밸브본체의 유로를 개방하여 유입구측의 유체가 배출구측으로 배출시키도록 되어 있다.In general, as the valve rotates the handle, the valve stem moves up and down, and the disc stem, which blocks the flow path of the valve body, is installed at the distal end of the valve stem that moves up and down as the handle rotates. As the valve stem rises, the disk rises together to open the flow path of the valve body so that the fluid at the inlet side is discharged to the outlet side.

상기와 같은 밸브의 유로가 개방시키기 전에는 유입구측에서 디스크에 큰 압력을 가하고 있는 상태이고 배출구측에는 압력이 작용하지 않는 상태인데, 디스크를 상승시켜 유로를 개방하는 초기에 유입구측에 작용하던 큰 유체압력이 순간적으로 배출구측으로 빠져 나갈 때, 디스크의 양측에는 커다란 차압(壓差)이 발생하게 된다.Before opening the flow path of the valve as described above, a large pressure is applied to the disc at the inlet side and no pressure is applied to the outlet side. A large fluid pressure acting at the inlet side at the initial stage of opening the flow path by raising the disc. When exiting to the outlet side at this moment, a large differential pressure is generated on both sides of the disc.

상기와 디스크의 양측에 작용하는 커다란 차압으로 인하여 디스크의 양측에 설치된 시트링, 특히 배출구측의 시트링에는 유입구측으로부터 압력을 받는 디스크가 커다란 압력을 가하면서 접촉하기 때문에 이 배출구측의 시트링이 심하게 마모되는 현상이 발생하게 되어 밸브의 수명을 단축시키는 결과를 초래하게 된다.Due to the large differential pressure acting on both sides of the disk and the disc, the seat ring installed on both sides of the disc, in particular the seat ring on the outlet side, contacts the disc under pressure from the inlet side with a great pressure, so that the seat ring on the outlet side is Severe wear will occur, resulting in shortened valve life.

또한, 유입구측의 유체가 배출구측으로 순식간에 다량이 배출되고, 스팀라인의 경우에 고온의 스팀이 순간적으로 빠져나가게 되어 배관내에서 극심한 온도변화가 발생하여 워터햄머(water hammer)현상이 발생하는 등의 문제가 있었다.In addition, a large amount of fluid at the inlet side is immediately discharged to the outlet side, and in the case of the steam line, high temperature steam escapes instantaneously, causing an extreme temperature change in the pipe, resulting in a water hammer phenomenon. There was a problem.

일반적으로 밸브에서는 상기와 같은 디스크 양측에서 발생되는 차압에 의해 시트링의 비정상적인 마모와, 급격히 배출하는 유체압력과 배관라인의 온도변화에 따른 워터햄머현상을 방지하기 위하여 도 1 및 도 2와 같이 밸브본체(3)의 외측에 밸브본체(3)의 유입구(1)측의 압력이 배출구(2)측으로 바이패스되게 하는 바이패스밸브(15)를 구비한 바이패스관(16)를 설치하여 사용하고 있다.In general, the valve in order to prevent abnormal wear of the seat ring due to the differential pressure generated on both sides of the disk as described above, and water hammer phenomenon due to the sudden discharge of the fluid pressure and the temperature change of the pipe line as shown in Figure 1 and 2 On the outside of the main body 3, a bypass pipe 16 having a bypass valve 15 for allowing the pressure on the inlet 1 side of the valve body 3 to bypass the outlet 2 side is used. have.

이와 같이 바이패스밸브(15)가 설치된 밸브는 위에서 언급한 차압에 의한 문제점과 워터햄머현상을 방지하는 효과가 있었으나, 이는 밸브본체(3)의 유로를 개방하기 위해서 바이패스밸브(15)를 1차로 개방하여 밸브본체(3)의 유입구(1)측의 유체가 바이패스관(16)을 통하여 밸브본체(3)의 배출구(2)측으로 바이패스 되게 한 뒤에, 2차로 메인밸브의 디스크(4)를 개방시켜 메인밸브의 유로를 전면 개방하였으며, 이렇게 유체가 흐르도록 한 뒤에 메인밸브의 유로를 폐쇄시키고자하는 경우에는 메인밸브의 디스크(4)를 페쇄시킨 뒤에, 그 다음단계로 먼저 개방하였던 바이패스밸브(15)를 폐쇄시켜야 하는 4단계의 개폐작업이 이루어져야 하는 작업상의 번거로움과 불편함이 있었다.As described above, the valve having the bypass valve 15 has an effect of preventing the above-mentioned problems due to the differential pressure and water hammer phenomenon. However, this means that the bypass valve 15 is opened in order to open the flow path of the valve body 3. After opening by car, the fluid at the inlet port 1 side of the valve body 3 is bypassed through the bypass pipe 16 to the outlet port 2 side of the valve body 3, and then the disk 4 of the main valve is secondary. ), The main valve flow path was completely opened, and in order to close the flow path of the main valve after allowing the fluid to flow, the disk 4 of the main valve was closed, and the first step was then opened. There was a hassle and inconvenience in the work that the four-stage opening and closing work to close the bypass valve 15 has to be made.

또한, 종래의 바이패스밸브(15)가 장착된 밸브는 바이패스밸브(15)가 설치된바이패스관(16)을 밸브본체(3)의 외측에 설치하는 작업이 번거롭고 작업시간이 많이 소요되며, 설치 및 제작비용이 많이 드는 비경제적인 문제를 아울러 지니고 있었다.In addition, in the valve equipped with the conventional bypass valve 15, the work of installing the bypass pipe 16 in which the bypass valve 15 is installed outside the valve body 3 is cumbersome and takes a long time, It was also an uneconomical problem that was expensive to install and manufacture.

이제까지는 대형밸브나 소형밸브의 구분없이 설명하였는데, 대형밸브의 경우에는 디스크에 작용하는 유체의 압력이 매우 크므로 사람의 힘으로 밸브의 핸들을 회전시키기가 어려워 다수의 기어를 치합하여 큰 힘을 발휘하게 하는 기어박스나, 전기 및 압축공기, 유압등의 동력을 이용하여 큰 힘을 발휘하게 하는 엑추에이터(actuator)의 동력을 이용하여 대형밸브의 핸들을 회전시킬 수 있도록 하였다.Until now, it has been explained without distinguishing between large valves and small valves. In the case of large valves, since the pressure of the fluid acting on the disk is very high, it is difficult to rotate the handle of the valve by human force, and a large number of gears are combined. It is possible to rotate the handle of a large valve by using the power of an actuator that exerts a great force by using a power such as a gear box, an electric, compressed air, or hydraulic pressure.

이와같이 대형밸브의 경우에 기어박스나 엑추에이터를 메인밸브와 바이패스 밸브에 각각 설치해야 하므로 설치비용이 더욱더 상승되는 문제점을 안고 있었다.As such, in the case of large valves, gearboxes or actuators have to be installed in the main valve and the bypass valve, respectively, thereby increasing the installation cost.

본 발명은 상기의 문제점을 해결하기 위하여 밸브본체의 내측에서 유로를 개폐하는 디스크에 바이패스 유로를 형성하고, 디스크와 연결되어 승하강하는 밸브스템의 말단부가 상기 바이패스 유로를 개폐할 수 있도록 함으로서, 밸브본체의 유로를 개방시키기 위하여 핸들을 회전시키는 초기 동작에 디스크에 형성된 바이패스 유로가 개방되면서 밸브본체의 유입구측의 유체가 배출구측으로 바이패스 배출되게 하고, 뒤이어 2차로 디스크를 상승시켜서 밸브본체의 유로를 전면 개방시킬 수 있도록 한 것을 기술적 과제로 한다.The present invention forms a bypass flow path in the disk for opening and closing the flow path from the inside of the valve body to solve the above problems, by allowing the end of the valve stem connected to the disk to move up and down to open and close the bypass flow path In the initial operation of rotating the handle to open the flow path of the valve body, the bypass flow path formed in the disk is opened to allow the fluid at the inlet side of the valve body to be discharged to the outlet side, followed by raising the disk in the second direction. The technical task is to allow the oil passage to be fully open.

상기의 목적을 달성하기 위한 본 발명은, 밸브본체의 중앙부 내측에 밸브본체의 유로를 개폐하는 디스크가 승하강 가능하게 설치되고, 이 디스크의 상부에는 핸들을 회전시킴에 따라 승하강하는 밸브스템의 말단 티형 걸림구가 삽입되어 걸리는 티홈이 형성된 것에 있어서, 상기 티홈의 높이(h)가 티형 걸림구의 두께(t)보다 높게 형성되고, 상기 티홈의 일측벽에는 유입구측으로 통하는 유입통로가 관통되게 형성되며, 상기 티홈의 하방에는 수직방향으로 연결통로를 소정의 깊이만큼 형성하며, 상기 연결통로의 타측에는 밸브본체의 배출구와 통하는 배출통로를 형성하고, 상기 연결통로에는 하측에 스프링을 탄력적으로 설치한 상태로 티형 걸림구의 저면에 눌리어 연결통로를 개폐하는 개폐구가 탄력적으로 설치된 것을 특징으로 한다.According to the present invention for achieving the above object, a disk for opening and closing the flow path of the valve body is installed in the center portion of the valve body so as to be able to move up and down, the upper and lower portions of the valve stem to move up and down by rotating the handle In the tee groove is formed to be inserted into the end tee-shaped latch is formed, the height (h) of the tee groove is formed higher than the thickness (t) of the tee-shaped latch, and the inlet passage passing through the inlet side is formed on one side wall of the tee groove. The lower side of the tee groove is formed in the vertical direction by a predetermined depth in the connecting passage, the other side of the connecting passage is formed with a discharge passage communicating with the outlet of the valve body, the connection passage is a state in which the spring is elastically installed It is characterized in that the opening and closing port for opening and closing the connection passage is pressed on the bottom of the lot-type locking port elastically.

도 1은 종래의 바이패스 밸브가 장착된 밸브의 정면도.1 is a front view of a valve equipped with a conventional bypass valve.

도 2는 도 1의 A-A선 단면도.2 is a cross-sectional view taken along the line A-A of FIG.

도 3은 본 발명의 단면도.3 is a cross-sectional view of the present invention.

도 4는 도 3의 "A"부를 확대 도시한 요부발췌 단면도.4 is an enlarged sectional view of the main portion taken to enlarge the "A" part of FIG.

도 5는 본 발명의 다른 실시예로서 디스크의 다른 적용예를 도시한 단면도.Fig. 5 is a sectional view showing another example of application of a disc as another embodiment of the present invention.

도 6은 본 발명의 다른 실시예로서 개폐구의 다른 적용예를 도시한 도면이다.6 is a view showing another application example of the opening and closing as another embodiment of the present invention.

〈도면의 주요 부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>

1 : 유입구 2 : 배출구 3 : 밸브본체1: inlet 2: outlet 3: valve body

4 : 디스크 5 : 핸들 6 : 밸브스템4 disc 5 handle 6 valve stem

7 : 티형 걸림구 8 : 티홈 9 : 유입통로7: tee-shaped hangers 8: tee groove 9: inflow passage

10 : 연결통로 11 : 배출통로 12 : 스프링10: connection passage 11: discharge passage 12: spring

13 : 개폐구 14 : 시트링 15 : 바이패스밸브13 opening and closing port 14 seating ring 15 bypass valve

16 : 바이패스관 17 : 요크슬리브16: bypass tube 17: york sleeve

이하 본 발명에 따른 바이패스수단을 구비한 밸브에 대하여 첨부된 도면 도 3 내지 도 6을 참고하여 설명하면 다음과 같다.Hereinafter, a valve having a bypass means according to the present invention will be described with reference to FIGS. 3 to 6.

도 3은 본 발명의 설치상태를 나타내는 단면도이고, 도 4는 도 3의 "A"부를 확대 도시한 요부발췌 단면도이며, 도 5는 본 발명의 다른 실시예로서 디스크의 다른 적용예를 도시한 단면도이고, 도 6은 본 발명의 다른 실시예로서 개폐구의 다른 적용예를 도시한 도면이다.3 is a cross-sectional view showing an installation state of the present invention, Figure 4 is an enlarged cross-sectional view showing the main portion "A" of Figure 3, Figure 5 is a cross-sectional view showing another application example of the disk as another embodiment of the present invention 6 is a view showing another application example of the opening and closing as another embodiment of the present invention.

본 발명에 의한 바이패스수단을 구비한 밸브는, 도 3 및 도 4에서 보는 바와 같이 유입구(1)와 배출구(2)가 관통되게 구비된 밸브본체(3)의 중앙부 내측에는 밸브본체(3)의 유로를 개폐하는 디스크(4)가 승하강 가능하게 설치되고, 이 디스크(4)의 상부에는 핸들(5)을 회전시킴에 따라 승하강하는 밸브스템(6)의 말단 티형 걸림구(7)가 삽입되어 걸리는 티홈(8)이 형성되어 있다.As shown in FIGS. 3 and 4, the valve having the bypass means according to the present invention has a valve body 3 inside the central portion of the valve body 3 provided with the inlet 1 and the outlet 2 penetrated therethrough. A disk 4 for opening and closing the flow path of the valve 4 is provided to be able to move up and down, and the upper end of the disk 4 has the end tee-shaped locking hole 7 of the valve stem 6 which is moved up and down as the handle 5 is rotated. A tee groove 8 into which is inserted is caught.

그리고, 상기 티홈(8)의 높이(h)는 티형 걸림구(7)의 두께(t)보다 높게 형성되어 티홈(8)에 삽입되어 있는 밸브스템(6)의 말단 티형 걸림구(7)가 티홈(8)의 높이(h)와 티형 걸림구(7)의 두께(t)와의 차이만큼의 여유공간에서 상하로 유동 되도록 되어 있다.In addition, the height h of the tee groove 8 is formed higher than the thickness t of the tee-shaped locking hole 7 so that the end tee-shaped locking hole 7 of the valve stem 6 inserted into the tee groove 8 is formed. It is made to flow up and down in the clearance space as much as the difference between the height h of the tee groove 8, and the thickness t of the tee type locking opening 7. As shown in FIG.

또한, 상기 티홈(8)의 일측벽에는 밸브본체(3)의 유입구(1)측으로 통하는 유입통로(9)가 관통되게 형성되고, 상기 티홈(8)의 하방에는 수직방향으로 연결통로(10)가 소정의 깊이만큼 형성되며, 상기 연결통로(10)의 타측에는 밸브본체(3)의 배출구(2)측으로 통하는 배출통로(11)를 형성하였고, 이 유입통로(9)와 연결통로(10), 그리고 배출통로(11)가 서로 연통되어 있으며 이 3개의 통로를 바이패스 유로라 칭하고 있다.In addition, one side wall of the tee groove (8) is formed so that the inlet passage (9) passing through the inlet port 1 side of the valve body (3) is passed through, the connection passage 10 in the vertical direction below the tee groove (8) Is formed to a predetermined depth, and on the other side of the connection passage 10 is formed a discharge passage (11) to the outlet port 2 side of the valve body 3, the inflow passage (9) and the connection passage (10) And discharge passages 11 communicate with each other, and these three passages are referred to as bypass passages.

그리고, 상기 연결통로(10)에는 하측에 스프링(12)을 탄력적으로 설치한 상태로 티형 걸림구(7)의 저면에 눌리어 연결통로(10)를 개폐하는 개폐구(13)가 탄력적으로 설치되어 있다. 이때, 상기 개폐구(13)는 도 3,4에 도시된 바와 같은 구(球)형으로 형성된 것과, 도 5에 도시된 납작머리 작은나사형태로 형성된 것과, 도 6에 도시된 접시머리 작은 나사형태로 형성된 것이 적용 가능한 것이다.In addition, the connection passage 10 is elastically installed on the bottom of the tee-type locking opening 7 in the state in which the spring 12 is installed on the lower side opening and closing port 13 for opening and closing the connection passage 10 is elastically installed. have. At this time, the opening and closing hole 13 is formed in a spherical shape as shown in Figures 3 and 4, and formed in the form of a flat head small screw shown in Figure 5, the small head screw type shown in Figure 6 It is applicable to that formed.

도 5에 도시된 본 발명의 다른 실시예는 도 3,4에 도시된 일실시예와 형상 및 모양이 상이하지만, 도 3,4에 도시된 일실시예의 것과 구조가 동일하게 티홈(8)의 높이(h)가 티형 걸림구(7)의 두께(t)보다 높게 형성되고, 상기 티홈(8)의 일측에는 유입구(1)측으로 통하는 유입통로(9)가 관통되게 형성되며, 상기 티홈(8)의 하방에는 수직방향으로 연결통로(10)를 소정의 깊이만큼 형성하며, 상기 연결통로(10)의 타측에는 밸브본체(3)의 배출구(2)와 통하는 배출통로(11)를 형성하고, 상기 연결통로(10)에는 하측에 스프링(12)을 탄력적으로 설치한 상태로 티형 걸림구(7)의 저면에 눌리어 연결통로(10)를 개폐하는 개폐구(13)가 탄력적으로 설치된 것이다.The other embodiment of the present invention shown in FIG. 5 is different in shape and shape from the embodiment shown in FIGS. 3 and 4, but the structure of the tee groove 8 is the same as that of the embodiment shown in FIGS. The height (h) is formed higher than the thickness (t) of the tee-shaped locking hole (7), one side of the tee groove (8) is formed so that the inflow passage (9) passing through the inlet (1) side through, the tee groove (8) Underneath), the connecting passage 10 is formed in a vertical direction by a predetermined depth, and on the other side of the connecting passage 10, a discharge passage 11 communicating with the outlet 2 of the valve body 3 is formed. The connecting passage 10 is elastically installed opening and closing port 13 for opening and closing the connecting passage 10 by pressing on the bottom surface of the tee-shaped locking hole 7 in a state in which the spring 12 is elastically installed on the lower side.

상기와 같이 구성된 본 발명의 작용 관계를 도 3 내지 도 5를 참고하여 설명하면 다음과 같다.Referring to Figures 3 to 5 the operational relationship of the present invention configured as described above are as follows.

본 발명의 바이패스수단을 구비한 밸브를 잠근 상태는 도 4에서와 같이 밸브스템(6)의 말단 티형 걸림구(7)가 최대로 하강하여 티형 걸림구(7)의 저면이 개폐구(13)를 아래로 눌러서 연결통로(10)가 개폐구(13)에 의해 막혀진 상태이다.In the state in which the valve having the bypass means of the present invention is locked, as shown in FIG. 4, the end tee-shaped latch 7 of the valve stem 6 descends to the maximum and the bottom surface of the tee-shaped latch 7 is opened and closed 13. By pressing down, the connection passage 10 is blocked by the opening and closing hole 13.

이상태에서 밸브본체(3)의 유로를 개방하고자 하는 경우에는 먼저 핸들(5)를 2분의 1회전 내지 1회전정도로 조금만 돌린다. 이처럼 핸들(5)을 돌리게 되면 핸들(5)의 보스부에 요크슬리브(17)가 결합되어 있고, 이 요크슬리브의 내주연 나사부에는 밸브스템(6)의 상부 나사부가 체결되어서 상기 핸들(5)의 회전에 의해 밸브스템(6)이 상승하게 된다.In this state, in order to open the flow path of the valve body 3, first, the handle 5 is only slightly rotated to about 1/2 to 1 rotation. When the handle 5 is turned in this manner, the yoke sleeve 17 is coupled to the boss portion of the handle 5, and the upper threaded portion of the valve stem 6 is engaged with the inner peripheral threaded portion of the yoke sleeve, so that the handle 5 The valve stem 6 is raised by the rotation of.

상기와 같이 상승하는 밸브스템(6)의 말단부에 형성된 티형 걸림구(7)가 티형 걸림구(7) 보다 높이가 높은 디스크(4)의 티홈(8)에 삽입되어 있는 상태이므로, 티홈(8)의 높이(h)와 티형 걸림구(7)의 두께(t) 차이만큼의 공간(여유공간이라 칭함)내에서 티형 걸림구(7)가 상승하게 된다.Tee groove 8 formed in the distal end of the valve stem (6) rising as described above is inserted into the tee groove 8 of the disk (4) that is higher than the tee-shaped locking hole 7, the tee groove (8) In the space (referred to as a free space) by the difference between the height h of the height h and the thickness t of the tee-shaped latch 7, the tee-shaped latch 7 is raised.

상기와 같이 핸들(5)를 2분의 1회전 내지 1회전정도로 조금만 회전시켰기 때문에 티형 걸림구(7)는 상기 여유공간내에서 조금만 상승하다가 정지하고, 디스크(4)는 올라가지 않고 제자리에 정지되어 있는 상태이다.Since the handle 5 is slightly rotated by about 1/2 to 1 rotation as described above, the tee-shaped latch 7 rises slightly within the free space and stops, and the disk 4 is stopped in place without being raised. It is in a state.

상기와 같이 티형 걸림구(7)가 조금 상승할 때 티형 걸림구(7)의 저면에는 개폐구(13)가 스프링(12)에 의해 탄력적으로 지지된 상태이므로 스프링(12)의 탄력에 의해 개폐구(13)가 티형 걸림구(7)가 상승된 만큼 상승하여 연결통로(10)가 개방되게 된다.As described above, when the tee-shaped latch 7 rises slightly, the opening / closing hole 13 is supported on the bottom of the tee-shaped latch 7 by the spring 12 to open and close the door by the elasticity of the spring 12. 13 is raised as the tee-shaped latch 7 is raised to open the connection passage (10).

상기 연결통로(10)가 개방됨에 따라 밸브본체(3)의 유입구(1)측의 고압의 유체가 유입통로(9)를 통하여 티홈(8)의 개방된 연결통로(10)측으로 유입되면서 연결통로(10)와 연결된 배출통로(11)를 통하여 밸브본체(3)의 배출구(2)측으로 배출된다, 즉, 밸브본체(3)의 유입구(1)측의 고압의 유체가 유입통로(9)와 연결통로(10), 배출통로(11)를 경유하여 밸브본체(3)의 배출구(2)측으로 바이패스되게 되는 것이다.As the connection passage 10 is opened, the high-pressure fluid at the inlet port 1 side of the valve body 3 flows into the open connection passage 10 side of the tee groove 8 through the inlet passage 9 and is connected to the connection passage 10. Through the discharge passage 11 connected to the (10) is discharged to the outlet port 2 side of the valve body 3, that is, the high-pressure fluid on the inlet port 1 side of the valve body 3 and the inlet passage (9) It is to be bypassed to the outlet port 2 side of the valve body 3 via the connecting passage 10, the discharge passage (11).

이렇게 핸들(5)을 1차로 조금만 돌리는 초기동작에 의해 밸브본체(3)의 유입구(1)측의 고압의 유체가 유입통로(9)와 연결통로(10), 배출통로(11)를 경유하여 밸브본체(3)의 배출구(2)측으로 바이패스되어 유입구(1)측과 배출구(2)의 압력이 대등해지면, 디스크(4)가 완전 개방되도록 핸들(5)을 2차로 회전시킨다.As a result of the initial operation of slightly turning the handle 5 primarily, the high pressure fluid at the inlet port 1 side of the valve body 3 passes through the inlet passage 9, the connection passage 10, and the discharge passage 11. When the pressure of the inlet 1 side and the outlet 2 becomes equal by bypassing the outlet 2 side of the valve body 3, the handle 5 is rotated secondly so that the disk 4 is completely opened.

상기와 같이 디스크(4)를 완전 개방시키기 위해서는 핸들(5)을 많이 회전시켜야 한다, 상기와 같이 핸들(5)를 수회 회전시키게 되면 상기 여유공간에서 상승하다가 멈춘 티형 걸림구(7)가 재차 계속적으로 상승하면서 티홈(8)의 양측 상부턱에 티형 걸림구(7)의 양측 상부가 걸리면서 티형 걸림구(7)가 디스크(4)를 상측으로 끌고 올라가게 된다.In order to fully open the disk 4 as described above, the handle 5 must be rotated a lot. As described above, when the handle 5 is rotated several times, the tee-shaped latch 7 which is raised from the free space and stopped again continues continuously. While rising to both upper upper jaw of both sides of the tee-shaped latch 7 is caught on the upper side of the tee-shaped latch 7 is pulled up the disk (4) upwards.

이렇게 상승하는 밸브스템(6)의 말단 티형 걸림구(7)가 디스크(4)를 상측으로 끌고 올라감에 따라 밸브본체(3)의 유로가 개방되게 되어 유입구(1)측의 유체가 배출구(2)측으로 배출되게 되는 것이다.As the end tee-shaped latch 7 of the valve stem 6 ascending so as to pull up the disk 4 upwards, the flow path of the valve body 3 is opened so that the fluid at the inlet 1 side is discharged. ) Will be discharged to the side.

상기와 같이 밸브본체(3)를 완전개방하여 유체가 흐르는 과정에서 밸브본체(3)의 유로를 폐쇄하고자 하는 경우에는 상기 디스크(4)를 상승시킬 때와 반대방향으로 핸들(5)를 돌리면, 이 핸들(5)의 회전에 의해 밸브스템(6)이 하강하면서 디스크(4)도 하측으로 밀어 내리면서 밸브본체(3) 내측으로 유로를 하강하는 디스크(4)로서 폐쇄하게 된다.As described above, when the valve body 3 is to be completely opened and the flow path of the valve body 3 is to be closed in the course of fluid flow, the handle 5 is turned in the opposite direction as when the disk 4 is raised. As the handle 5 is lowered by the rotation of the handle 5, the disk 4 is pushed downward and closed as the disk 4 which lowers the flow path inside the valve body 3.

상기 디스크(4)가 완전하강하여 디스크(4)의 저면이 밸브본체(3)의 내측 하부에 접촉한 상태에서도 핸들(5)이 계속 회전시켜서 티홈(8)의 여유공간만큼도 티형 걸림구(7)가 더 내려가도록 하면, 티형 걸림구(7)의 저면에 맞닿은 개폐구(13)가 상기와 같이 하강하는 티형 걸림구(7)에 눌려서 연결통로(10)를 폐쇄시키게 되며, 연결통로(10)가 개폐구(13)에 폐쇄되면 밸브본체(3)에 대한 유로의 폐쇄작업이 완료하게 되는 것이다.Even when the disk 4 is completely lowered and the bottom surface of the disk 4 is in contact with the inner lower portion of the valve body 3, the handle 5 continues to rotate so that the tee-shaped locking holes can be used as much as the free space of the tee groove 8. When 7 is further lowered, the opening and closing hole 13 which is in contact with the bottom surface of the tee-shaped latch 7 is pressed by the tee-shaped latch 7 which descends as described above to close the connection passage 10, and the connection passage 10 ) Is closed in the opening and closing port 13 is to complete the closing of the flow path for the valve body (3).

그리고, 도 5 및 도 6에 도시된 다른실시예의 경우도 위에서 도 3 및 도 4를 토대로 설명한 일실시예와 작용이 동일하게 이루어지므로 다른실시예에 대한 작용설명은 생략하기로 한다.In addition, in the case of the other embodiments shown in FIGS. 5 and 6, the operation is performed in the same manner as the embodiment described above with reference to FIGS. 3 and 4, and thus descriptions of the operations of the other embodiments will be omitted.

이상에서 살펴본 바와 같은 본 발명의 바이패스수단을 구비한 밸브는, 밸브본체의 내측에서 유로를 개폐하는 디스크에 바이패스 유로를 형성하고, 디스크와 연결되어 승하강하는 밸브스템의 말단부가 상기 바이패스 유로를 개폐할 수 있도록 함으로서, 밸브본체의 유로를 개방시키기 위하여 핸들을 회전시키는 초기 동작에 디스크에 형성된 바이패스 유로가 개방되면서 밸브본체의 유입구측의 유체가 배출구측으로 바이패스 배출되고, 뒤이어 2차로 디스크를 상승시켜서 밸브본체의 유로를 전면 개방시킬 수 있도록 되어 종래에 밸브본체의 외측에 별도로 바이패스 밸브와 밸브스템을 설치하던 것에 비해 유체의 바이패스와 유로의 개폐가 신속하게 이루어지는 효과와, 바이패스기능을 하는 밸브의 제작비용이 대폭 절감되는 매우 유용한 효과가 있는 것이다.In the valve having the bypass means according to the present invention as described above, a bypass flow path is formed on a disk that opens and closes the flow path inside the valve body, and an end portion of the valve stem connected to the disk to move up and down is bypassed. By opening and closing the flow path, the bypass flow path formed in the disk is opened in the initial operation of rotating the handle to open the flow path of the valve body, and the fluid at the inlet side of the valve body is bypassed to the outlet side, followed by the second operation. It is possible to open the entire flow path of the valve body by raising the disk, so that the bypass of the fluid and the opening and closing of the fluid can be quickly opened and closed, as compared with the conventional bypass valve and valve stem outside the valve body. This is a very useful effect that greatly reduces the manufacturing cost of a valve that functions as a pass. will be.

Claims (1)

유입구(1)와 배출구(2)가 관통되게 구비된 밸브본체(3)의 중앙부 내측에는 밸브본체(3)의 유로를 개폐하는 디스크(4)가 승하강 가능하게 설치되고, 이 디스크(4)의 상부에는 핸들(5)을 회전시킴에 따라 승하강하는 밸브스템(6)의 말단 티형 걸림구(7)가 삽입되어 걸리는 티홈(8)이 형성된 것에 있어서,Inside the central portion of the valve body 3 provided with the inlet 1 and the outlet 2 penetrated therein, a disk 4 for opening and closing the flow path of the valve body 3 is provided to be able to move up and down. In the upper portion of the tee groove (8) is formed in which the end tee-shaped locking hole (7) of the valve stem (6) is raised and lowered as the handle (5) is rotated, 상기 티홈(8)의 높이(h)가 티형 걸림구(7)의 두께(t)보다 높게 형성되고, 상기 티홈(8)의 일측벽에는 유입구(1)측으로 통하는 유입통로(9)가 관통되게 형성되며, 상기 티홈(8)의 하방에는 수직방향으로 연결통로(10)를 소정의 깊이만큼 형성하고, 상기 연결통로(10)의 타측에는 밸브본체(3)의 배출구(2)와 통하는 배출통로(11)를 형성하며, 상기 연결통로(10)에는 하측에 스프링(12)을 탄력적으로 설치한 상태로 티형 걸림구(7)의 저면에 눌리어 연결통로(10)를 개폐하는 개폐구(13)가 탄력적으로 설치된 것을 특징으로 하는 바이패스수단을 구비한 밸브.The height (h) of the tee groove (8) is formed higher than the thickness (t) of the tee-shaped locking hole (7), one side wall of the tee groove (8) so that the inlet passage (9) passing through the inlet (1) side through It is formed, the lower portion of the tee (8) is formed in the vertical direction connecting passage 10 to a predetermined depth, the other side of the connecting passage 10 to the discharge passage communicating with the outlet port 2 of the valve body (3) (11) is formed, the opening and closing port 13 for opening and closing the connection passage (10) pressed on the bottom surface of the tee-shaped latch (7) in the state in which the spring 12 is elastically installed on the lower side of the connection passage (10) Valve having a bypass means, characterized in that the elastic installation.
KR10-2000-0072670A 2000-12-02 2000-12-02 A valve having a by-pass means KR100390711B1 (en)

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KR100390711B1 KR100390711B1 (en) 2003-07-10

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