KR20020037395A - Line blind valve - Google Patents

Line blind valve Download PDF

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Publication number
KR20020037395A
KR20020037395A KR1020000067309A KR20000067309A KR20020037395A KR 20020037395 A KR20020037395 A KR 20020037395A KR 1020000067309 A KR1020000067309 A KR 1020000067309A KR 20000067309 A KR20000067309 A KR 20000067309A KR 20020037395 A KR20020037395 A KR 20020037395A
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KR
South Korea
Prior art keywords
valve
passage
clasp
actuating
pipe
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KR1020000067309A
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Korean (ko)
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KR100357940B1 (en
Inventor
김병용
강서희
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김병용
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Priority to KR1020000067309A priority Critical patent/KR100357940B1/en
Publication of KR20020037395A publication Critical patent/KR20020037395A/en
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Publication of KR100357940B1 publication Critical patent/KR100357940B1/en

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    • 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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30—Details
    • F16K3/312—Line blinds
    • 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
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/04—Construction of housing; Use of materials therefor of sliding 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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30—Details
    • F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Valves (AREA)

Abstract

PURPOSE: A line blind valve is provided to divide an actuating clasp from a fixture, move smoothly from right to left according to a rail, prevent damage according friction with contacting face, form an opening passage of a valve having an inner passage same with a pipe line without bending, have a strong structure, and prevent an accident as preventing inflowing of leaked gas to the pipe line in working. CONSTITUTION: A line blind valve opens and closes flowing of a fluid connected with a connector of a pipe in a chemical factory or an oil refinery. A space part is formed inside as connecting a side casing(14) having a horizontal axis(60) installed laterally in both sides of a body(10) and a floor plate(13) having a vertical axis(50) installed perpendicularly in the top. An actuating clasp(30) connected with the horizontal axis is installed as forming one side of the space part slantingly, having a fixture(20) having a passage(22) in the center and connecting with the vertical axis. A rail(40), having a projection(42) in the upper part, in the lower part of the inside of the body is formed and is connected with the actuating clasp. One side of the actuating clasp has many washing holes. An exhaust pipe(58) is installed in the bottom of the body. The passage of the fixture, the passage of the actuating clasp and the hole(11) are connected consistently, and the valve to pass the fluid is opened when the opening of the valve needs. In washing work, a blocking bolt(72) of the washing hole is divided and washing water of high pressure is poured in one side of the pipeline. Inside of the valve is washed through the washing hole and is circulated and exhausted through the opened exhausted pipe.

Description

라인블라인드밸브{LINE BLIND VALVE}Line Blind Valve {LINE BLIND VALVE}

본 발명은 라인블라인드밸브(Line Blind Valve)에 관한 것으로서, 특히 화학공장 또는 정유공장에서 배관과 연결되어 보수공사 및 정화작업 등을 위해 유체의 흐름을 개폐하는 라인블라인드밸브에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a line blind valve, and more particularly, to a line blind valve connected to a pipe in a chemical plant or an oil refinery to open and close the flow of fluid for maintenance work and purification.

본 발명의 목적은 경사면이 대접되는 작동구가 고정쇠와 분리되고 레일을 따라 원활하게 좌우로 이동되고, 접촉면과의 마찰에 따른 손상이 방지되는 라인블라인드밸브를 제공하는데 있다.SUMMARY OF THE INVENTION An object of the present invention is to provide a line blind valve in which an operation tool on which an inclined surface is treated is separated from a clamp and moves smoothly from side to side along a rail, and damage due to friction with a contact surface is prevented.

본 발명의 목적은 밸브의 개방통로가 굴곡이 없어 고점도, 고압의 유체 배관을 통해 흐를 때 정체되거나 저항으로 인한 손실이 없이 배관라인과 동일하게 내부통로를 형성하는 라인블라인드밸브를 제공하는데 있다.It is an object of the present invention to provide a line blind valve that forms an internal passage in the same way as a piping line without a stagnation or resistance due to resistance when the open passage of the valve flows through a high-viscosity, high-pressure fluid pipe without bending.

또한, 본 발명의 목적은 압력용기나 저장탱크의 내부를 청소하기 위해 배관라인의 일부구간을 차단하고 작업자가 작업도중 타측에서 누설된 가스가 배출관으로 배출시킴으로서 작업중인 배관라인으로 유독성가스가 유입되는 것을 방지하는 라인블라인드밸브를 제공하는데 있다.In addition, an object of the present invention is to block the section of the piping line to clean the interior of the pressure vessel or storage tank and the toxic gas is introduced into the working pipeline line by the operator to discharge the gas leaked from the other side to the discharge pipe during the operation. It is to provide a line blind valve to prevent.

본 발명의 다른 목적은 밸브가 차단된 상태에서 밸브 내부와, 결합된 배관라인을 분리할 필요없이 세척구멍와 배출관을 통해 배관과 밸브의 내부를 순환시키면서 동시에 세척이 가능한 라인블라인드밸브를 제공하는데 있다.It is another object of the present invention to provide a line blind valve which can be simultaneously washed while circulating the inside of the valve and the valve through the washing hole and the discharge pipe without having to separate the inside of the valve and the coupled pipe line while the valve is blocked.

그리고, 본 발명의 목적은 견고한 구조로 기밀유지가 뛰어난 라인블라인드밸브를 제공하는데 있다.In addition, an object of the present invention is to provide a line blind valve excellent in airtight with a solid structure.

도 1은 본 발명의 바람직한 일 실시 예에 따른 라인블라인드밸브의 분리사시도.1 is an exploded perspective view of a line blind valve according to an embodiment of the present invention.

도 2는 본 발명에 따른 라인블라인드밸브의 개방상태를 중앙에서 절개하여 도시한 중앙단면도.Figure 2 is a cross-sectional view showing the center of the open state of the line blind valve according to the present invention cut away.

도 3은 도 2의 A - A선을 따라 절개하여 도시한 단면도.3 is a cross-sectional view taken along the line AA of FIG.

도 4는 본 발명에 따른 라인블라인드밸브의 차단상태를 중앙에서 절개하여 도시한 중앙단면도.Figure 4 is a central cross-sectional view showing the cut-off state of the line blind valve in the center according to the present invention.

도 5는 도 4의 B - B선을 따라 절개하여 도시한 단면도.5 is a cross-sectional view taken along the line BB of FIG. 4.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

10: 몸체11: 구멍10: body 11: hole

14: 측면케이싱20: 고정쇠14: side casing 20: clamp

22,32: 통로26,34: 결합홈22,32 passageway 26,34 coupling groove

30: 작동구40: 레일30: operating port 40: rail

42: 돌출부50: 수직축42: protrusion 50: vertical axis

58: 배출관60: 수평축58: discharge pipe 60: horizontal axis

70: 세척구멍100: 배관연결구70: washing hole 100: piping connection

이하 본 발명의 바람직한 실시예의 상세한 설명이 첨부된 도면들을 참조하여 설명될 것이다. 하기에서 각 도면의 구성요소들에 참조부호를 부가함에 있어서, 동일한 구성요소들에 대해서는 비록 다른 도면상에 표시되더라도 가능한 한 동일한 부호를 가지도록 하고 있음에 유의해야 한다. 또한 본 발명을 설명함에 있어, 관련된 공지 기능 혹은 구성에 대한 구체적인 설명이 본 발명의 요지를 불필요하게 흐릴 수 있다고 판단되는 경우에는 그 상세한 설명을 생략할 것이다.DETAILED DESCRIPTION A detailed description of preferred embodiments of the present invention will now be described with reference to the accompanying drawings. In the following description of the reference numerals to the components of the drawings, it should be noted that the same reference numerals as much as possible even if displayed on different drawings. In describing the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

우선 본 발명에서 제안하고자 하는 라인블라인드밸브는 몸체(10)의 양측으로는 수평축(60)이 횡설된 측면케이싱(14)이 결합되고, 상단부에는 수직축(50)이 직설된 상판(13)이 결합되어 내부에 공간부(12)가 형성되며, 상기 몸체(10)의 내부에는 일측면에 경사면이 형성되고 중앙부에 통로(22)가 형성되고 상기 수직축(50)과 결합된 고정쇠(20)와, 일측면에 경사면이 형성되고 일측에 통로(32)가 형성되고 상기 수평축(60)과 결합된 작동구(30)가 설치되어 하부에 설치된 레일(40)을 따라 부드럽게 이송됨을 특징으로 한다.First of all, the line blind valve to be proposed in the present invention is coupled to the side casing 14 having the horizontal shaft 60 rolled on both sides of the body 10, and the upper plate 13 having the vertical shaft 50 directly connected to the upper end thereof. And a space portion 12 is formed therein, the inside of the body 10 is formed with an inclined surface on one side, the passage 22 is formed in the center and the clamping portion 20 coupled to the vertical axis 50, An inclined surface is formed on one side, and a passage 32 is formed on one side, and an operating tool 30 coupled to the horizontal shaft 60 is installed to smoothly move along the rail 40 installed below.

본 발명의 실시 예에 따른 라인블라인드밸브의 구성은 도 1에서 나타내고 있는 바와 같다. 도 1은 본 발명의 바람직한 일 실시 예에 따른 라인블라인드밸브의 분리사시도이다. 상기 도 1을 참조하면, 본 발명에서 구현하고자 하는 밸브는The configuration of the line blind valve according to the embodiment of the present invention is as shown in FIG. 1 is an exploded perspective view of a line blind valve according to an exemplary embodiment of the present invention. 1, the valve to be implemented in the present invention is

'ㄷ'자 형상으로 양측 벽체에 구멍(11)이 형성된 몸체(10)의 양측면에는 측면케이싱(14)의 일측면이 용접되고, 상단부에는 상판(13)이 결합되어 내부에 공간부(12)가 형성된다. 상기 측면케이싱(14)은 'ㄷ'자 모양으로 형성된 결합체(15)의 상단부에 상판(16)이 결합되고, 측면에는 측판(18a,18b)이 결합되어 몸체(10)의 일측면과 용접된다. 상기 상판(16)은 일측으로 'ㄴ'자 모양의 연장부(17)가 형성되어 상기 몸체(10)의 상단 내부에 삽입되어 내측면과 용접된다. 상기 몸체(10)의 하단면에는 레일(40)이 설치되고, 레일(40)의 양측부가 결합체(15)의 하단면과 결합된다. 상기 레일(40)은 상단부 양측에 볼록하게 돌출성형된 돌출부(42)가 형성된다. 상기 몸체(10)의 하부에는 밸브가 결합된 배출관(56)이 결합된다.One side of the side casing 14 is welded to both side surfaces of the body 10 in which the holes 11 are formed in both walls in a 'c' shape, and the upper plate 13 is coupled to the upper end thereof so that the space 12 is formed therein. Is formed. The side casing 14 is the upper plate 16 is coupled to the upper end of the coupling body 15 formed in the '' 'shape, the side plates (18a, 18b) is coupled to one side of the body 10 is welded . The upper plate 16 is formed with an 'b' shaped extension 17 on one side and is inserted into the upper end of the body 10 to be welded to the inner surface. Rail 40 is installed on the bottom surface of the body 10, both sides of the rail 40 are coupled to the bottom surface of the assembly (15). The rail 40 has protrusions 42 protrudingly formed on both sides of the upper end. The lower part of the body 10 is coupled to the discharge pipe 56, the valve is coupled.

상기 일측 측면케이싱(14)의 측판(18b)의 중앙부에는 핸들(36a)이 결합된 수평축(60)이 관통되어 설치되고 끝단부에 작동구(30)가 결합된다. 상기 작동구(30)의 일측면은 상부가 넓고 하부가 좁은 경사면이 형성되고, 일측부를 관통하는 통로(32)가 형성된다. 그리고, 일측면에는 형성된 결합홈(34)에 상기 수평축(60)의 일측에 형성된 돌출테(62)가 삽입되고, 고정구(64)가 상기 작동구(30)와 체결되어 결합된다. 상기 작동구(30)의 일측 상부와 하부에는 'ㄴ'자 모양의 세척구멍(70)이 형성되어 구멍(11)과 밸브의 내부가 연결된다. 상기 세척구멍(70)의 일측은 막음볼트(72)가 결합되어 막혀 있고 세척시 분리하여 개방된다.The central axis of the side plate 18b of the one side casing 14 is installed through the horizontal shaft 60 coupled with the handle 36a, and the operation tool 30 is coupled to the end. One side surface of the operation port 30 is formed with a wide inclined surface of the lower portion is narrow, the passage 32 penetrating one side portion is formed. In addition, a protruding frame 62 formed at one side of the horizontal shaft 60 is inserted into the coupling groove 34 formed at one side thereof, and the fastener 64 is coupled to the operating tool 30. One side upper and lower sides of the operation port 30 is formed with a 'b' shaped washing hole 70 is connected to the hole 11 and the inside of the valve. One side of the washing hole 70 is blocked by the blocking bolt 72 is coupled and is separated and opened during washing.

상기 상판(13)의 중앙을 관통하며 설치된 수직축(50)의 끝단부에는 중앙에 통로(22)가 형성된 고정쇠(20)가 결합된다. 상기 고정쇠(20)는 일측면은 상부가 곱고 하부가 넓은 경사면이 형성되고, 상단부에 결합홈(26)이 형성된다. 상기 수직축(50)의 끝단부에는 돌출테(54)가 형성되어 상기 결합홈(54)에 삽입되고, 고정구(52)가 고정쇠(20)와 체결되어 결합된다. 상기 고정쇠(20)의 경사면에는 통로(22)의 외측으로 요입홈이 형성되고 씰링(74)이 삽입된다.The end portion of the vertical shaft 50 installed penetrating the center of the upper plate 13 is coupled to the fastener 20 formed with the passage 22 in the center. The fastener 20 has one side is multiplied in the upper portion is formed with a wide inclined bottom, the coupling groove 26 is formed on the upper end. A protruding frame 54 is formed at the end of the vertical shaft 50 so as to be inserted into the coupling groove 54, and the fastener 52 is coupled to the fastener 20. The inclined surface of the clamp 20 is formed with a recess groove on the outside of the passage 22 and the sealing 74 is inserted.

상기 몸체(10)의 양측에 형성된 측벽에는 구멍(11)이 형성되고, 내측으로 돌출턱(56)이 형성된다. 상기 돌출턱(56)의 내측면에 요입홈이 형성되어 씰링(74)이 삽입된다. 상기 측면케이싱(14)의 일측면에는 압력게이지(76)가 설치되어 상기 밸브 내부의 압력변화를 감지하여 누설을 방지한다.Holes 11 are formed in sidewalls formed at both sides of the body 10, and protruding jaws 56 are formed inward. A recessed groove is formed in the inner surface of the protruding jaw 56 so that the sealing 74 is inserted. A pressure gauge 76 is installed at one side of the side casing 14 to detect a pressure change inside the valve to prevent leakage.

도 2는 본 발명에 따른 라인블라인드밸브의 개방상태를 중앙에서 절개하여 도시한 중앙단면도이고, 도 3은 도 2의 A - A선을 따라 절개하여 도시한 단면도이다. 도 2와 도 3에서 보는바와 같이, 상기 몸체(10)의 양측면에는 다수개의 결합구멍이 형성되어 배관연결구(100)가 결합된다. 상기 작동구(30)는 레일(40)의 상단 돌출부(42)에 안착되어 몸체(10)의 내부에 설치된다.Figure 2 is a central cross-sectional view showing the line blind valve open state according to the present invention cut in the center, Figure 3 is a cross-sectional view taken along the line A-A of FIG. As shown in Figures 2 and 3, both sides of the body 10 is formed with a plurality of coupling holes are coupled to the pipe connector 100. The operation port 30 is mounted on the upper protrusion 42 of the rail 40 is installed inside the body 10.

밸브의 개방시 핸들(36b)을 돌려 역회전시켜 고정쇠(20)를 상승시키고, 핸들(36a)을 돌려 역회전시키면 레일(40)을 따라 작동구(30)가 부드럽게 좌측으로 이동되고, 상기 핸들(36b)을 정회전시켜 고정쇠(20)를 하강시키면 경사면이 미끄러지며 상기 고정쇠(20)와 작동구(30)가 양측으로 밀려나게 되고 상기 관체(56)의 내측면과 밀착된다. 이때, 상기 결합홈(26,34)은 돌출테(54)와 접촉되지않게 하기 위해 여유있게 형성되어 작동축(50,60)의 휘어짐을 방지한다. 이와 같이 상기 고정쇠(20)의 통로(22)와 작동구(30)의 통로(32)와 구멍(11)이 일치되게 연결되어 밸브가 개방되고 유체가 통과된다.When opening the valve, turn the handle 36b to rotate the handle to raise the clamp 20, and turn the handle 36a to rotate the valve to move the actuator 30 to the left smoothly along the rail 40. When the fixing clamp 20 is lowered by rotating the 36b forward, the inclined surface slides, and the fixing clamp 20 and the operation tool 30 are pushed to both sides and are in close contact with the inner surface of the tubular body 56. At this time, the coupling grooves (26, 34) is formed to allow the contact with the protruding frame (54) to prevent the bending of the operating shaft (50, 60). In this way, the passage 22 of the clamping rod 20 and the passage 32 of the actuation tool 30 and the hole 11 are connected to each other so that the valve is opened and the fluid passes.

도 4는 본 발명에 따른 라인블라인드밸브의 차단상태를 중앙에서 절개하여 도시한 중앙단면도이고, 도 5는 도 4의 B - B선을 따라 절개하여 도시한 단면도이다. 역으로 밸브를 차단하고자 하면 도 4에서처럼, 상기 핸들(36b)을 역회전시켜 고정쇠(20)를 상승시키고, 상기 핸들(36a)을 반대로 정회전시키면 작동구(30)가 우측으로 이동되고, 상기 핸들(36b)을 정회전시키면 고정쇠(20)가 하강하여 작동구(30)를 관체(56)와 밀착되어 밸브가 차단된다. 상기 세척구멍(70)은 막음볼트(72)가 결합되어 막혀있다.Figure 4 is a central cross-sectional view showing the cut-off state of the line blind valve according to the invention in the center, Figure 5 is a cross-sectional view taken along the line B-B of FIG. To reverse the valve, as shown in FIG. 4, as shown in FIG. 4, when the handle 36b is reversed, the clamp 20 is raised, and when the handle 36a is rotated forward, the operating tool 30 is moved to the right. When the handle 36b is rotated forward, the clamping rod 20 descends to close the operating port 30 to the tubular body 56 to block the valve. The washing hole 70 is blocked by the blocking bolt 72 is coupled.

상기와 같이 밸브를 차단하고 타측에서는 작업이 이루어진다. 이때 상기 배출관(58)을 개방하고 밸브 내부에 누설되는 가스를 배출하여 작업이 이루어지는 타측 배관으로 누설된 가스가 흘러들어가는것을 방지하여 작업자를 보호한다.Shut off the valve as above and work is done on the other side. In this case, the discharge pipe 58 is opened and the gas leaked into the valve is discharged to prevent the leaked gas from flowing into the other pipe where the work is performed, thereby protecting the worker.

그리고, 세척작업시에는 상기 세척구멍(70)의 막음볼트(72)를 분리하고 배관의 일측에서 고압의 세척수를 불어넣어 세척하고, 세척구멍(70)을 통해 밸브 내부를 세척후, 개방된 배출관(58)을 통해 순환 또는 배출된다.In addition, during the washing operation, the blocking bolt 72 of the washing hole 70 is removed, and the high-pressure washing water is blown from one side of the pipe to be washed, and the inside of the valve is washed through the washing hole 70, and then the discharge pipe is opened. Circulated or discharged through 58.

한편, 앞에서 개시한 본 발명의 상세한 설명에서는 구체적인 실시 예에 관해 설명하였으나, 본 발명의 범위에서 벗어나지 않는 한도 내에서 여러 가지 변형이 가능함은 물론이다. 그러므로 본 발명의 범위는 설명된 실시 예에 국한되어 정해져서는 안되며 후술하는 특허청구의 범위뿐만 아니라 이 특허청구의 범위와 균등한것들에 의해 정해져야 한다.On the other hand, in the above detailed description of the present invention has been described with respect to specific embodiments, various modifications are possible without departing from the scope of the invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined not only by the scope of the following claims, but also by the equivalents of the claims.

이상으로 살펴본 바와 같이, 본 발명은 고정쇠와 작동구가 경사면을 따라 미끄러지며 체결력이 작용하여 체결력이 높고 밀폐효율이 뛰어난 효과가 있다.As described above, the present invention has a fastening force and a fastening force by the fastener and the operating tool slides along the inclined surface, and has an excellent sealing efficiency.

또한, 본 발명은 고정쇠와 분리된 상태에서 작동구가 레일을 따라 원활하게 이동되어 상호간의 접촉면이 마찰없이 동작이 이루어지고, 접촉면이 손상되는 것을 방지하여 장기간 사용가능한 장점이 있다.In addition, the present invention has the advantage that can be used for a long time by operating the moving tool smoothly moved along the rail in a state separated from the fastener and mutual contact surface without friction, preventing the contact surface is damaged.

그리고, 본 발명은 개방된 밸브의 내부 통로가 굴곡이 없어 밸브내부를 흐르는 유체가 원활하게 흐름으로써 스케일 등의 잔여물이 누적되는 것을 방지하는 효과가 있다.In addition, the present invention has an effect of preventing the accumulation of residues such as scale by smoothly flowing the fluid flowing inside the valve because the inner passage of the open valve is not bent.

본 발명은 간편하고 견고한 구조로 내구성이 뛰어나 고장의 위험이 적고, 고압의 배관에 적용할 수 있으며, 압력게이지를 통해 밸브내부의 압력변화를 감지하여 누설을 방지할 수 있는 이점이 있다.The present invention has a simple and robust structure, excellent durability, less risk of failure, can be applied to the high-pressure pipe, there is an advantage to prevent leakage by detecting the pressure change in the valve through the pressure gauge.

Claims (2)

화학공장 또는 정유공장에서 배관의 연결구와 결합되어 유체의 흐름을 개방 및 차단하는 라인블라인드밸브(Line Blind Valve)에 있어서;A line blind valve coupled to a pipe connection at a chemical plant or a refinery to open and block a flow of a fluid; 몸체(10)의 양측으로는 수평축(60)이 횡설된 측면케이싱(14)이 결합되고, 상단부에는 수직축(50)이 직설된 상판(13)이 결합되어 내부에 공간부(12)가 형성되며;Both sides of the body 10 are coupled to the side casing 14, the horizontal axis 60 is rolled up, and the upper portion 13 is coupled to the upper plate 13, the vertical axis 50 is straight in the upper end is formed with a space portion 12 therein. ; 상기 공간부(10)에는 일측면이 경사지게 형성되고 중앙부에 통로(22)가 형성되어 상기 수직축(50)과 결합된 고정쇠(20)와, 일측에 경사면이 형성되고 일측부에 통로(32)가 형성되어 상기 수평축(60)과 결합된 작동구(30)가 설치되며;The space portion 10 has one side surface formed to be inclined and a passage 22 is formed at the center thereof, and the clamping rod 20 coupled to the vertical shaft 50 and an inclined surface formed at one side thereof and the passage 32 formed at one side thereof. An operating tool 30 is formed and coupled to the horizontal shaft 60 is installed; 상기 몸체(10)의 내측 하단부에는 상부에 돌출부(42)가 형성된 레일(40)이 설치되어 상단부에 상기 작동구(30)가 안착됨을 특징으로 하는 라인블라인드밸브.Line blind valve is characterized in that the inner lower end of the body (10) is provided with a rail (40) formed with a protrusion (42) on the upper end is seated the operating port (30). 제 1항에 있어서;The method of claim 1; 상기 작동구(30)의 일측에는 다수개의 세척구멍(56)이 형성되며;One side of the operating port 30 is formed with a plurality of washing holes (56); 상기 몸체(10)의 하단부에는 배출관(58)이 설치됨을 특징으로 라인블라인드밸브.Line blind valve, characterized in that the discharge pipe 58 is installed on the lower end of the body (10).
KR1020000067309A 2000-11-14 2000-11-14 Line blind valve KR100357940B1 (en)

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US5232199A (en) * 1992-03-26 1993-08-03 Thrasher James R Sliding gate line blind
US5464035A (en) * 1994-06-21 1995-11-07 Itt Corporation Gate-type, side-ported, line blind valve
US5662308A (en) * 1996-04-15 1997-09-02 Nevrekar; Venkatesh R. Expanding gate valve assembly
KR200192353Y1 (en) * 2000-03-23 2000-08-16 권오근 The two way gate valve

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