KR200383420Y1 - Butterfly valve for both-sided expand full bellows type - Google Patents
Butterfly valve for both-sided expand full bellows type Download PDFInfo
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- KR200383420Y1 KR200383420Y1 KR20-2005-0004880U KR20050004880U KR200383420Y1 KR 200383420 Y1 KR200383420 Y1 KR 200383420Y1 KR 20050004880 U KR20050004880 U KR 20050004880U KR 200383420 Y1 KR200383420 Y1 KR 200383420Y1
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- butterfly valve
- bellows
- pipe
- fixed
- sided
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
- F16K27/0218—Butterfly valves
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/10—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations
- F16L27/107—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations the ends of the pipe being interconnected by a flexible sleeve
- F16L27/11—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations the ends of the pipe being interconnected by a flexible sleeve the sleeve having the form of a bellows with multiple corrugations
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Joints Allowing Movement (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
본 고안은 버터플라이밸브에 관련된 것으로서, 통상의 버터플라이밸브 양면으로 벨로우즈관(=주름관)을 부설하여 면간거리를 조절가능토록하고, 연결관과 밸브의 중심이 일치하지 않더라도 상하좌우로 보완하여 설치가능하며, 외부충격을 흡수토록 한 양면 신축 풀 벨로우즈형 버터플라이밸브에 관한 것이다.The present invention relates to a butterfly valve, and by installing a bellows pipe (= wrinkle pipe) on both sides of a normal butterfly valve to adjust the distance between the plane, even if the center of the connection pipe and the valve does not coincide with installation A double-sided telescopic full bellows-type butterfly valve capable of absorbing external shock is possible.
즉, 본 고안은 바디(2) 내측으로 핸들이나 모터에 의해 회동되게 상하로 축지지되어 설치된 회전축(4)에 디스크(3)를 고정시켜 내입 설치한 통상의 버터플라이밸브(1)에 있어서, 상기 바디(2)의 양면에는 벨로우즈관(5)을 형성하고, 양면 벨로우즈관(5) 외주에 방사상으로 수개의 보조연결편(5a)을 각각 용접 고정하여 구성하며, 벨로우즈관(5)의 단부 내측으로는 바디(2) 내면에 접하여 슬라이딩 가능한 슬라이딩관(7)을 용접 고정하여 바디(2)와 상호 연통되도록 형성한 플랜지(6)를 결합 형성하며, 벨로우즈관(5) 단부 외주에 결속밴드(8)를 가압 고정한 구성을 특징으로 하는 바,That is, in the conventional butterfly valve (1) in which the disc (3) is fixed inwardly and installed on the rotating shaft (4), which is axially supported up and down to be rotated by a handle or a motor inside the body (2), Bellows pipes 5 are formed on both sides of the body 2, and a plurality of auxiliary connecting pieces 5a are radially welded to the outer circumference of the double-sided bellows pipe 5, respectively, and the inner side of the end of the bellows pipe 5 is formed. In order to weld the fixed sliding sliding tube (7) in contact with the inner surface of the body (2) to form a flange (6) formed so as to communicate with the body (2), the coupling band ( 8) characterized in that the configuration is fixed by pressing,
상술한 바와 같이 구성하여 면간거리(ℓ)가 조절되도록 하고, 버터플라이밸브(1)의 설치가 용이토록 하며, 연결관(9)의 길이가 변화되더라도 변화된 길이를 보상받을 수 있으며, 버터플라이밸브(1)와 연결관(9)의 결합 시 각각의 중심이 편심되어 있더라도 결합이 용이함으로써 설치작업의 편의성을 제공할 수 있으며, 지반침하나 지진 등의 외부충격에도 벨로우즈관(5)에 의해 결합부위의 파손을 일소하여 안전성을 제공할 수 있는 등 다수의 효과를 기대할 수 있는 것이다.It is configured as described above so that the interplanar distance (l) can be adjusted, the installation of the butterfly valve 1 is facilitated, and the changed length can be compensated even if the length of the connecting pipe 9 is changed, and the butterfly valve Even when the center of each of the (1) and the coupling tube 9 is eccentric, the coupling is easy to provide the convenience of installation work, it is coupled by the bellows pipe (5) to the ground shock or external shock such as earthquake A number of effects can be expected, such as eliminating breakage of the site to provide safety.
Description
본 고안은 버터플라이밸브에 관련된 것으로서, 보다 상세히 설명하면 통상의 버터플라이밸브 양면으로 벨로우즈관(=주름관)을 부설하여 버터플라이밸브의 설치 시 면간거리를 조절가능토록하고, 연결관과 밸브의 중심이 일치하지 않더라도 상하좌우로 보완하여 설치가능하며, 설치 후 지반침하(地盤沈下)나 지진(地震) 등에 의한 충격을 흡수토록 한 양면 신축 풀(full) 벨로우즈형(bellows type) 버터플라이밸브(butterfly valve)에 관한 것이다.The present invention relates to a butterfly valve, and in more detail, a bellows pipe (= wrinkle tube) is installed on both sides of a conventional butterfly valve to adjust the distance between planes when the butterfly valve is installed, and the center of the connection pipe and the valve. Even if this does not match, it can be installed by supplementing up, down, left and right, and double sided full bellows type butterfly valve to absorb shocks from ground subsidence or earthquake after installation. valve).
통상의 버터플라이밸브(100)는 그 구성을 살펴보면 도 1에서 보는바와 같이 양면으로 연결 플랜지(104)가 일체로 구성된 바디(101) 내측으로 상하 회전축(103)에 고정된 디스크(102)를 내입 설치하여 디스크(102)의 개폐에 의해 밸브(100)를 단속토록 한 것으로서, 바디(101) 양면의 플랜지(104)에 유입, 유출관 등의 연결관(105)을 결합하고, 핸들이나 모터에 의해 회전축(103)을 회동시켜 이에 고정된 디스크(102)의 개방으로 유체를 흐르도록 하고, 회전축(103)을 반대로 회동시켜 디스크(102)의 폐쇄로 유체의 흐름을 차단토록 한 것이다.In the conventional butterfly valve 100, as shown in FIG. 1, the disc 102 fixed to the up and down rotation shaft 103 is inserted into the body 101 having the connecting flange 104 integrally formed on both sides as shown in FIG. 1. The valve 100 is interrupted by opening and closing the disk 102. The connecting pipes 105, such as inflow and outflow pipes, are coupled to the flanges 104 on both sides of the body 101, and the handles and the motors are connected to each other. By rotating the rotating shaft 103 to flow the fluid in the opening of the disk 102 fixed thereto, and rotating the rotating shaft 103 to the reverse to block the flow of the fluid by the closing of the disk 102.
이러한 종래 버터플라이밸브(100)는 연결관(105)에 결합 시 연결관(105)과 버터플라이밸브(100)의 중심이 일치하지 않으면 연결부위에 틈이 생겨 누수의 우려가 있고, 일측 연결관(105)과 중심을 일치시켜 버터플라이밸브(100)를 결합하면 타측 연결관(105)을 밸브(100)에 결합하기가 곤란한 경우가 빈번하게 발생하였으며, 내외부 온도변화에 따른 주철제 연결관(105)의 신축 시 또는 지반침하나 지진발생 시 발생하는 충격에 의해 밸브(100)와 연결관(105)의 결합부위가 손상되는 문제점을 가지고 있었던 것이다.When the conventional butterfly valve 100 is coupled to the connection pipe 105, if the center of the connection pipe 105 and the butterfly valve 100 does not coincide, there is a risk of leakage due to a gap in the connection portion, one side connection pipe When the butterfly valve 100 is combined to match the center with the 105, it is often difficult to couple the other connecting pipe 105 to the valve 100, and the cast iron connecting pipe 105 may be caused by internal and external temperature changes. ), The coupling part of the valve 100 and the connection pipe 105 is damaged by the impact generated during expansion or ground subsidence or earthquake.
이에 본 고안에서는 상기한 바와 같은 종래 버터플라이밸브가 갖는 다수의 문제점을 일소코자 안출한 것으로서,Therefore, in the present invention, as a problem to solve a number of problems with the conventional butterfly valve as described above,
본 고안은 버터플라이밸브의 양면으로 벨로우즈관을 설치하고, 이의 단부에는 슬라이딩관이 결합된 플랜지를 일체로 형성하여 밸브설치 시 면간거리를 조절토록 하고, 연결관과 밸브의 결합 중심이 일치하지 않더라도 상하좌우로 조절하여 결합가능토록 하며, 외부에 충격발생 시 연결관과 밸브의 결합부위가 쉽게 손상되지 않도록 한 양면 신축 풀 벨로우즈형 버터플라이밸브를 제공함에 고안의 기술적 과제를 두고 본 고안을 완성한 것이다.The present invention installs the bellows pipe on both sides of the butterfly valve, and at the end of it, the flange is formed integrally with the sliding pipe to adjust the interplanar distance when the valve is installed, and even though the coupling center of the connecting pipe and the valve does not coincide. The present invention has been completed to provide a double-sided telescopic pull bellows-type butterfly valve that can be adjusted by up, down, left, and right, and to prevent damage to the coupling part of the connection pipe and valve when an external shock occurs. .
도 2는 본 고안에서 제공하는 버터플라이밸브(1)의 바람직한 일례를 보인 일부 분해사시도이고, 도 3은 본 고안의 결합상태를 보인 사시도이며, 도 4는 본 고안에서 제공하는 버터플라이밸브(1)의 단면구성도로서 이를 통하여 본 고안을 상세히 설명하면 아래와 같다.2 is a partially exploded perspective view showing a preferred example of the butterfly valve (1) provided in the present invention, Figure 3 is a perspective view showing a coupling state of the present invention, Figure 4 is a butterfly valve (1) provided in the present invention As a cross-sectional configuration of the present invention will be described below in detail.
본 고안은 바디(2) 내측으로 핸들이나 모터에 의해 회동되게 상하로 축지지되어 설치된 회전축(4)에 디스크(3)를 고정시켜 내입 설치한 통상의 버터플라이밸브(1)에 있어서, 상기 바디(2)의 양면에는 벨로우즈관(5)(일명 '주름관'이라고도 함)을 각각 밀폐되게 형성하고, 상기 양면의 벨로우즈관(5)을 바디(2) 외측 중심에서 접하도록 용접 고정하며, 상기 벨로우즈관(5)의 상호 접관 지지력을 높이기 위해 수개의 보조연결편(5a)을 양면 벨로우즈관(5) 외주에 방사상으로 각각 용접 고정하여 구성한다.In the present invention, in the conventional butterfly valve (1) in which the disc (3) is fixed inwardly and installed on a rotating shaft (4) which is axially supported up and down to be rotated by a handle or a motor inside the body (2), the body The bellows pipe 5 (also called a "wrinkle pipe") is formed on each of both sides of the (2) to be hermetically sealed, and the bellows pipe 5 on both sides is welded and fixed to be in contact with the outer center of the body 2, and the bellows In order to increase mutual mutual support of the pipe (5) is configured by welding a plurality of auxiliary connecting pieces (5a) radially to the outer periphery of the double-sided bellows pipe (5), respectively.
상기 벨로우즈관(5)의 단부 내측으로는 플랜지(6)를 결합 형성하되, 상기 플랜지(6) 내면에는 바디(2) 내측에 일정거리(면간거리;ℓ)를 갖고 내접하여 슬라이딩 가능한 슬라이딩관(7)을 용접 고정하여 바디(2)와 상호 연통되도록 형성한다.An inner side of the end of the bellows pipe (5) is coupled to the flange (6), the inner surface of the flange (6) has a certain distance (interface distance; l) inside the body (2) sliding tube inwardly sliding ( 7) is fixed by welding to form a mutual communication with the body (2).
그리고 상기 벨로우즈관(5)과 플랜지(6)의 결합부위를 더욱 공고히 하기위해 결속밴드(8)를 벨로우즈관(5) 단부 외주에 가압 고정할 수도 있다.In addition, the binding band 8 may be fixed to the outer circumference of the end of the bellows pipe 5 in order to further solidify the coupling portion of the bellows pipe 5 and the flange 6.
상기 좌우 플랜지(6)에는 유체를 유입 및 유출토록 하기위한 연결관(9)을 결합수단(10)에 의해 고정하여 결합 가능함은 당연한 것이다.The left and right flanges 6 can be coupled by fixing the connecting pipe (9) for the inflow and outflow of the fluid by the coupling means (10).
또한 상기 벨로우즈관(5)의 주름부분은 단면상에서 U자 형태 외에도 산형 등으로 형성할 수 있으며 그 형상은 다양하게 형성할 수 있는 것이다.In addition, the bellows of the bellows pipe (5) can be formed in a cross-section in addition to the U-shape on the cross-section and its shape can be formed in various ways.
도면 중의 미 설명부호 11은 바디시트를 도시한 것이고, 12는 디스크시트를 도시한 것이다.In the figure, reference numeral 11 denotes a bodysheet, and 12 denotes a discsheet.
상기와 같이 구성되는 본 고안은 회전축(4)의 회전에 의해 디스크(3)를 회전시켜 바디시트(11)와 디스크시트(12)의 여닫힘 정도에 의해 유체의 유량이나 유압을 조절하는 것으로서, 통상의 버터플라이밸브(100)가 바디(101) 양면으로 플랜지(104)를 바로 일체화 형성하던 것에 반하여, 본 고안에서는 버터플라이밸브(1) 바디(2)의 양단에 벨로우즈관(5)을 부설하되, 양면의 벨로우즈관(5)을 바디(2) 외주에서 접관토록 용접 고정하고, 벨로우즈관(5) 양단부에 다시 슬라이딩관(7)이 일체화된 플랜지(6)를 설치한 구성으로서, 상기 슬라이딩관(7)은 바디(2) 내측에서 일정거리를 두고 슬라이딩되어 플랜지(6)에 결합수단(10)으로 결합된 연결관(9)이 온도 등의 변화에 따라 길이가 변화되더라도 변화된 거리만큼 보상이 이루어지도록 하고, 이때 벨로우즈관(5)은 접어졌다 펴졌다하는 것이다.The present invention configured as described above is to rotate the disk 3 by the rotation of the rotary shaft 4 to adjust the flow rate or hydraulic pressure of the fluid by the degree of opening and closing of the body seat 11 and the disk seat 12, While the conventional butterfly valve 100 integrally forms the flange 104 directly on both sides of the body 101, in the present invention, the bellows pipe 5 is provided at both ends of the butterfly valve 1 body 2. However, the two sides of the bellows pipe (5) is welded and fixed so as to be welded from the outer periphery of the body (2), and the flange (6) in which the sliding pipe 7 is integrated again at both ends of the bellows pipe (5), wherein the sliding The tube 7 is slid at a certain distance from the inside of the body 2 to compensate for the changed distance even if the length of the connecting tube 9 coupled to the flange 6 by the coupling means 10 changes with temperature or the like. Is made, and the bellows pipe (5) is folded It was that.
상기 양면 벨로우즈관(5)의 접관부위에 방사상으로 수개의 보조연결편(5a)을 고정하고, 플랜지(6)가 설치되는 벨로우즈관(5)의 단부 외주에 결속밴드(8)를 가압 고정하여 접관 지지력과 결합부위의 결합력을 높일 수도 있는 것이다.A plurality of auxiliary connecting pieces 5a are radially fixed to the joint portion of the double-sided bellows tube 5, and the binding band 8 is fixed to the outer periphery of the end of the bellows tube 5 in which the flange 6 is installed. It is also possible to increase the binding force between the bearing force and the coupling portion.
그리고 상기 버터플라이밸브(1)에 연결관(9)을 결합할 시 연결관(9)의 중심과 바디(2)의 중심이 일치하지 않더라도(=편심(偏心)) 버터플라이밸브(1)의 플랜지(6)를 연결관(9)에 결합수단(10)으로 결합하면 벨로우즈관(5)에 의해 편심을 극복할 수 있는 것으로 벨로우즈관(5)은 연결관(9) 축 방향에 수직의 상하좌우로 방향을 자유자재로 전환할 수 있는 것이다.When the coupling pipe 9 is coupled to the butterfly valve 1, the center of the coupling pipe 9 and the center of the body 2 do not coincide with each other (= eccentricity) of the butterfly valve 1. When the flange 6 is coupled to the connecting pipe 9 by the coupling means 10, the bellows pipe 5 can overcome the eccentricity. The bellows pipe 5 is vertically perpendicular to the axis of the connecting pipe 9. You can switch the direction freely from side to side.
또한 상기 버터플라이밸브(1)와 연결관(9)을 결합한 후 외부의 충격에 의해 결합부위가 쉽게 파손되지 않는 것으로 지반침하나 지진 등에 의한 충격발생 시 연결관(9)이나 버터플라이밸브(1)가 상하좌우로 위치가 가변되더라도 벨로우즈관(5)이 그 가변된 위치만큼 늘어나거나 줄어들어 결합부위가 쉽게 파손되는 것을 일소한 것이다.In addition, after coupling the butterfly valve (1) and the connecting pipe (9), the coupling site is not easily damaged by external shock, but when the ground caused by an earthquake or the like, the connecting pipe (9) or butterfly valve (1) Even if the position is variable up, down, left, and right, the bellows pipe 5 is stretched or reduced by the variable position so that the coupling part is easily broken.
이상에서 살펴본 바와 같이 본 고안에서 제공하는 양면 신축 풀 벨로우즈형 버터플라이밸브(1)는 바디(2) 양면으로 벨로우즈관(5)을 설치하고, 바디(2) 내면에 접하여 슬라이딩되는 슬라이딩관(7)을 일체화한 플랜지(6)를 벨로우즈관(5)의 단부에 설치하여 면간거리(ℓ)가 조절되도록 함으로써 버터플라이밸브(1)의 설치 시 양면의 연결관(9)이 일정거리 이상 떨어지거나 가까워도 용이하게 설치할 수 있고, 설치 후 내외부 온도변화에 따라 연결관(9)의 길이가 변화되더라도 변화된 길이를 보상받을 수 있으며, 버터플라이밸브(1)와 연결관(9)의 결합 시 각각의 중심이 편심되어 있더라도 벨로우즈관(5)이 상하좌우 자유자재로 절곡되므로 결합이 용이하여 설치작업의 편의성을 제공할 수 있으며, 지반침하나 지진 등의 외부충격에 의해 연결관(9)이나 버터플라이밸브(1)의 위치가 가변되더라도 가변거리를 벨로우즈관(5)에 의해 극복할 수 있어 결합부위의 파손을 일소할 수 있는 효과를 득할 수 있는 것이다.As described above, the double-sided telescopic full bellows-type butterfly valve 1 provided in the present invention is provided with a bellows tube 5 on both sides of the body 2, and a sliding tube 7 sliding in contact with the inner surface of the body 2. ) Is installed at the end of the bellows pipe (5) so that the interplanar distance (l) is adjusted, so that the connecting pipe (9) on both sides of the butterfly valve (1) falls by a certain distance or more. It can be installed easily even if it is close, and even if the length of the connection pipe 9 is changed according to the internal and external temperature change after installation, the changed length can be compensated for, and the combination of the butterfly valve 1 and the connection pipe 9 is Even if the center is eccentric, the bellows pipe (5) is bent freely up, down, left and right, so it is easy to combine and provide convenience of installation work, and the connection pipe (9) or butterfly by external impact such as ground subsidence or earthquake Even if the position of the valve 1, the variable can be overcome by the variable distance to the bellows pipe 5 is capable deukhal the effect that can wipe out the breakage of the binding site.
또한 보조연결편(5a)이나 결속밴드(8)에 의해 버터플라이밸브(1)의 접관 지지력이나 결합부위 결합력을 높여 안전성을 제공할 수 있는 등 그 기대되는 효과가 다대한 고안이다.In addition, the anticipated effect is enormous such that the auxiliary connecting piece 5a or the binding band 8 can provide safety by increasing the joint bearing force of the butterfly valve 1 or the coupling part coupling force.
도 1은 종래 버터플라이밸브의 단면구성도1 is a cross-sectional view of a conventional butterfly valve
도 2는 본 고안에서 제공하는 버터플라이밸브의 바람직한 일례를 보인 일부 분해사시도Figure 2 is an exploded perspective view showing a preferred example of the butterfly valve provided in the present invention
도 3은 본 고안에서 제공하는 버터플라이밸브의 결합상태를 보인 사시도Figure 3 is a perspective view showing a coupled state of the butterfly valve provided in the present invention
도 4는 본 고안에서 제공하는 버터플라이밸브의 단면구성도Figure 4 is a cross-sectional view of the butterfly valve provided in the present invention
◀ 도면의 주요부분에 사용된 부호의 설명 ▶◀ Explanation of symbols used in the main part of the drawing ▶
<종래기술><Private Technology>
100:버터플라이밸브 101:바디100: butterfly valve 101: body
102:디스크 103:회전축102: disc 103: rotation axis
104:플랜지 105:연결관104: flange 105: connector
<본 고안><This invention>
1:(양면 신축 풀 벨로우즈(bellows)형)버터플라이밸브(butterfly valve)1: (double-sided telescopic full bellows type) butterfly valve
2:바디 3:디스크2: body 3: disc
4:회전축 5:벨로우즈관4: rotary shaft 5: bellows pipe
5a:보조연결편 6:플랜지5a: Auxiliary Connection 6: Flange
7:슬라이딩관 8:결속밴드7: sliding tube 8: band
9:연결관 10:결합수단9: connector 10: coupling means
Claims (2)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20-2005-0004880U KR200383420Y1 (en) | 2005-02-23 | 2005-02-23 | Butterfly valve for both-sided expand full bellows type |
| CNB2006100080139A CN100562680C (en) | 2005-02-23 | 2006-02-23 | Two-side total telescopic bellows type throttle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20-2005-0004880U KR200383420Y1 (en) | 2005-02-23 | 2005-02-23 | Butterfly valve for both-sided expand full bellows type |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020060012232A Division KR100719611B1 (en) | 2006-02-08 | 2006-02-08 | Butterfly valve of both-sided expand full bellows type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR200383420Y1 true KR200383420Y1 (en) | 2005-05-03 |
Family
ID=37015131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR20-2005-0004880U KR200383420Y1 (en) | 2005-02-23 | 2005-02-23 | Butterfly valve for both-sided expand full bellows type |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR200383420Y1 (en) |
| CN (1) | CN100562680C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100719611B1 (en) * | 2006-02-08 | 2007-05-18 | 박이환 | Butterfly valve of both-sided expand full bellows type |
| KR101167187B1 (en) | 2012-01-12 | 2012-07-31 | 정현철 | Damper with flexible pipe |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111442098A (en) * | 2020-05-08 | 2020-07-24 | 安徽沃泰控制阀门有限公司 | Butterfly valve for explosion-proof pipe of heating system |
-
2005
- 2005-02-23 KR KR20-2005-0004880U patent/KR200383420Y1/en not_active IP Right Cessation
-
2006
- 2006-02-23 CN CNB2006100080139A patent/CN100562680C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100719611B1 (en) * | 2006-02-08 | 2007-05-18 | 박이환 | Butterfly valve of both-sided expand full bellows type |
| KR101167187B1 (en) | 2012-01-12 | 2012-07-31 | 정현철 | Damper with flexible pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1837655A (en) | 2006-09-27 |
| CN100562680C (en) | 2009-11-25 |
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