KR100954533B1 - Screw compression type pipe connecting method - Google Patents

Screw compression type pipe connecting method Download PDF

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Publication number
KR100954533B1
KR100954533B1 KR1020090076586A KR20090076586A KR100954533B1 KR 100954533 B1 KR100954533 B1 KR 100954533B1 KR 1020090076586 A KR1020090076586 A KR 1020090076586A KR 20090076586 A KR20090076586 A KR 20090076586A KR 100954533 B1 KR100954533 B1 KR 100954533B1
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KR
South Korea
Prior art keywords
pipe
expander
flange
connection portion
screw
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KR1020090076586A
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Korean (ko)
Inventor
김현규
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주식회사 에스씨티
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Priority to KR1020090076586A priority Critical patent/KR100954533B1/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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
    • F16L13/14—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling
    • F16L13/16—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling the pipe joint consisting of overlapping extremities having mutually co-operating collars
    • F16L13/168—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling the pipe joint consisting of overlapping extremities having mutually co-operating collars for screw threaded pipes
    • 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
    • F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
    • F16L15/006—Screw-threaded joints; Forms of screw-threads for such joints with straight threads
    • F16L15/007—Screw-threaded joints; Forms of screw-threads for such joints with straight threads with more than one threaded section
    • 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
    • F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
    • F16L15/04—Screw-threaded joints; Forms of screw-threads for such joints with additional sealings
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/18—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening using cams, levers, eccentrics, or toggles

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints With Pressure Members (AREA)

Abstract

PURPOSE: A pipe connection method with screw compression is provided to prevent leakage of water, gas or fluid in a pipe through a clamping part of a female and a male threads, and to improve usability of the pipe in different circumferences. CONSTITUTION: A pipe connection method with screw compression includes the following steps: forming a female and a male threads are formed on a stepped part of a pipe(P) and a flange(F); screwing the flange into the pipe; inserting an expansion unit into an inner surface of a first connection part of the flange and the pipe; and pressurizing and swelling the inner surface of the first connection part in a radial direction by an expansion unit.

Description

나사 압착식 배관 연결 방법 { Screw Compression Type Pipe Connecting Method } Screw Compression Type Pipe Connecting Method}

본 발명은 반도체 라인이 설치된 클린룸과 같이 용접에 의한 배관 연결방법을 사용할 수 없는 환경에서 유용하게 사용할 수 있는 나사 압착식 배관 연결 방법에 관한 것이다.The present invention relates to a screw crimp pipe connection method that can be usefully used in an environment in which a pipe connection method by welding cannot be used, such as a clean room in which semiconductor lines are installed.

배관을 연결하는 방법은 용접에 의한 결합 방식과 나사결합에 의한 결합방식이 있을 수 있는데, 종래 기술에 따라 배관(또는 파이프)과 배관 또는 배관과 플랜지를 나사결합으로 결합시키는 경우, 암, 수 나사산이 결합된 부분에 배관을 흐르는 물이나 기체 또는 유체의 누설(Leakage)이 발생하는 문제점이 있었다. The pipe can be connected by welding or by screwing. According to the prior art, when connecting a pipe (or a pipe) and a pipe or a pipe and a flange by screwing, female and male threads are used. There was a problem that leakage of water, gas, or fluid flowing through the pipe occurs in the combined portion.

또한, 이러한 누설 문제를 해결하기 위해 임시 방편으로 실링테이프를 사용하기도 하지만 압력이 큰폭으로 변동하거나 온도 변화가 심하거나 고온의 유체가 흐르는 배관 등에서 실링테이프와 나사산 틈으로 다시 누설이 발생하여 완전한 해결책이 되지 못했다.In addition, the sealing tape is used as a temporary solution to solve the leakage problem, but leaking back into the sealing tape and thread gap in the pipe, such as a large fluctuation in pressure, a high temperature change, or a high temperature fluid flow, causes a complete solution. It wasn't.

본 발명은 암, 수 나사산 결하부위를 내부에서 팽창시켜 나사결합을 강화시킴으로써 암, 수 나사산이 결합된 부분에 배관을 흐르는 물이나 기체 또는 유체가 누설(Leakage)되지 않으며 또한 반도체 라인이 설치된 클린룸과 같이 용접에 의한 배관 연결방법을 사용할 수 없는 환경에서 유용하게 사용할 수 있는 나사 압착식 배관 연결 방법을 제공하기 위함이다.The present invention provides a clean room in which water, gas, or fluid flowing through a pipe is not leaked to a portion where the female and male threads are joined, thereby expanding the female and male thread declining portions to strengthen the screw connection. This is to provide a screw crimped pipe connection method that can be usefully used in an environment in which a pipe connection method by welding cannot be used.

이러한 본 발명의 목적을 달성하기 위한 본 발명에 따른 나사 압착식 배관 연결 방법은, 나사 압착식 배관 연결 방법에 있어서, 플랜지(F)와 파이프(P)의 단부에 암, 수 나사산을 형성하는 단계(S10)와; 플랜지(F)와 파이프(P)를 서로 나사결합시켜 체결하는 단계(S20)와; 팽창수단(Expander)을 플랜지(F)와 파이프(P)가 나사결합된 제1 연결부(A1) 내면에 삽입한 후, 상기 팽창수단(Expander)으로 상기 제1 연결부(A1) 내면을 반경방향으로 가압하여 팽창시키는 단계(S30);를 포함하여 구성된다.The screw crimped pipe connection method according to the present invention for achieving the object of the present invention, in the screw crimped pipe connection method, the step of forming a female, male thread at the end of the flange (F) and the pipe (P) (S10); Screwing the flange (F) and the pipe (P) together and fastening (S20); After the expansion means (Expander) is inserted into the inner surface of the first connection portion (A1) screwed to the flange (F) and the pipe (P), the inner surface of the first connection portion (A1) in the radial direction by the expansion means (Expander) It is configured to include a; expanding by pressing (S30).

본 발명에 따른 나사 압착식 배관 연결 방법은, 플랜지(F)와 파이프(P)를 서로 나사결합시켜 체결하는 단계(S20)와 팽창수단(Expander)으로써 제1 연결부(A1) 내면을 반경방향으로 가압하여 팽창시키는 단계(S30) 사이에, 상기 제1 연결부(A1)의 외면을 외면지지구(C)로 지지시켜서 팽창수단(Expander)의 내면 가압(S30 단계) 에 의한 제1 연결부(A1)의 외면 팽창을 미리 방지시키는 단계(S40);를 더 포함하여 구성되는 것이 바람직하다.In the screw crimping pipe connection method according to the present invention, the flange (F) and the pipe (P) by screwing each other and fastening step (S20) and the expansion means (Expander) in the radial direction of the inner surface of the first connection portion (A1) Between the step of expanding by pressing (S30), by supporting the outer surface of the first connection portion (A1) with an outer surface support (C), the first connection portion (A1) by the inner surface pressurization (step S30) of the expansion means (Expander) The step of preventing the outer surface of the expansion in advance (S40); preferably comprises a further.

본 발명에 따른 나사 압착식 배관 연결 방법은, 파이프(P2)와 파이프(P)의 단부에 암, 수 나사산을 형성하는 단계(S110)와; 파이프(P2)와 파이프(P)를 서로 나사결합시켜 체결하는 단계(S120)와; 팽창수단(Expander)을 파이프(P2)와 파이프(P)가 나사결합된 제2 연결부(A2) 내면에 삽입한 후, 팽창수단(Expander)으로 상기 제2 연결부(A2) 내면을 반경방향으로 가압하여 팽창시키는 단계(S130);를 포함하여 구성되는 것이 바람직하다.Screw crimped pipe connection method according to the invention, the step of forming a female, male thread at the end of the pipe (P2) and the pipe (P) (S110); Screwing the pipe (P2) and the pipe (P) to each other (S120); The expansion means (Expander) is inserted into the inner surface of the second connection portion (A2) in which the pipe (P2) and the pipe (P) is screwed, then press the inner surface of the second connection portion (A2) in the radial direction with the expansion means (Expander) It is preferably configured to include; expanding (S130).

본 발명에 따른 나사 압착식 배관 연결 방법은, 파이프(P2)와 파이프(P)를 서로 나사결합시켜 체결하는 단계(S120)와 팽창수단(Expander)으로써 제2 연결부(A2) 내면을 반경방향으로 가압하여 팽창시키는 단계(S130) 사이에, 상기 제2 연결부(A2)의 외면을 외면지지구(C)로 지지시켜서 팽창수단(Expander)의 내면 가압(S130 단계)에 의한 제2 연결부(A2)의 외면 팽창을 미리 방지시키는 단계(S140);를 더 포함하여 구성되는 것이 바람직하다.In the screw crimped pipe connection method according to the present invention, the inner surface of the second connecting portion A2 is radially formed by expanding the pipe P2 and the pipe P by screwing each other (S120) and expanding means (Expander). Between the step of expanding by pressing (S130), by supporting the outer surface of the second connecting portion (A2) with an outer surface support (C), the second connecting portion (A2) by the inner surface pressurization (step S130) of the expansion means (Expander) The step of preventing the outer surface of the expansion in advance (S140); preferably comprises a further.

본 발명에 따른 나사 압착식 배관 연결 방법에 있어서, 상기 외면지지구(C)는 클램프인 것이 바람직하다.In the screw crimp pipe connection method according to the invention, the outer surface support (C) is preferably a clamp.

본 발명에 따르는 경우 종래 기술의 문제점이 해결되며, 암, 수 나사산 결하부위를 내부에서 팽창시켜 나사결합을 강화시킴으로써, 암, 수 나사산이 결합된 부분에 배관을 흐르는 물이나 기체 또는 유체가 누설(Leakage)되지 않으며, 반도체 라인이 설치된 클린룸과 같이 용접에 의한 배관 연결방법을 사용할 수 없는 환경에서 유용하게 사용할 수 있는 나사 압착식 배관 연결 방법이 제공된다.According to the present invention solves the problems of the prior art, by expanding the female, male thread loin region in the interior to strengthen the screw connection, water, gas or fluid flowing through the pipe to the female, male thread combined portion leakage ( There is provided a screw crimped pipe connection method that can be usefully used in an environment where a pipe connection method by welding cannot be used, such as a clean room in which semiconductor lines are installed.

이하 본 발명에 의한 나사 압착식 배관 연결 방법을 첨부 도면을 참조하여 상세하게 설명한다. 도 1은 본 발명의 제1 실시예에 따른 나사 압착식 배관 연결 방법(플랜지와 파이프)을 보이는 단면도이고, 도 2는 본 발명의 제2 실시예에 따른 나사 압착식 배관 연결 방법(플랜지와 파이프)을 보이는 단면도이다.Hereinafter, a screw crimping pipe connection method according to the present invention will be described in detail with reference to the accompanying drawings. 1 is a cross-sectional view showing a screw crimped pipe connection method (flange and pipe) according to a first embodiment of the present invention, Figure 2 is a screw crimped pipe connection method (flange and pipe) according to a second embodiment of the present invention It is a cross-section showing).

도 3은 본 발명의 제1 실시예에 따른 나사 압착식 배관 연결 방법(플랜지와 파이프) 공정도이고, 도 4는 본 발명의 제2 실시예에 따른 나사 압착식 배관 연결 방법(파이프와 파이프) 공정도이다.Figure 3 is a screw crimped pipe connection method (flange and pipe) process diagram according to a first embodiment of the present invention, Figure 4 is a screw crimped pipe connection method (pipe and pipe) process diagram according to a second embodiment of the present invention to be.

도 1 또는 도 3에 도시된 바와 같이, 본 발명의 제1 실시예에 따른 나사 압착식 배관 연결 방법(플랜지와 파이프)은, 플랜지(F)와 파이프(P)를 나사 결합 후 압착하는 방식에 관한 것이며, 나사산을 형성하는 단계(S10)와, 플랜지(F)와 파이프(P)를 서로 나사결합시켜 체결하는 단계(S20)와, 제1 연결부(A1) 내면을 반경방향으로 가압하여 팽창시키는 단계(S30)를 포함하여 구성된다.As shown in FIG. 1 or FIG. 3, the screw crimping pipe connection method (flange and pipe) according to the first embodiment of the present invention is a method of compressing a flange (F) and a pipe (P) after screwing. It relates to a step (S10) for forming a thread, the step (S20) of screwing the flange (F) and the pipe (P) to each other, and to press the inner surface of the first connection portion (A1) in the radial direction to expand It comprises a step S30.

도 1과 같은 실시예에서 결합시키고자 하는 부위인 플랜지(F)의 일측(도 1 기준 우측) 내면에 암나사산을 형성하고, 파이프(P)의 타측(도 1 기준 좌측) 외면에 숫나사산을 형성한다. 일반적으로 클린룸 등에서 하나의 파이프(P)는 고정(기설치)된 상태이므로 고정된 일측 파이프에 숫나사산을 형성하고, 작업이 용이한 플랜지에 암나사산을 형성하는 것이 바람직하다.In the embodiment as shown in FIG. 1, a female thread is formed on the inner surface of one side (right side of FIG. 1) of the flange F, which is a portion to be joined, and a male thread is formed on the outer surface of the other side of the pipe P (left side of FIG. 1). Form. In general, since one pipe P is in a fixed (preinstalled) state in a clean room or the like, it is preferable to form a male thread on the fixed one side pipe and to form a female thread on an easy flange.

나사산을 형성한 후 다음 단계(S20)에서, 플랜지(F)의 일측 암나사산과 파이프(P)의 타측 숫나사산을 나사결합시켜 양자를 체결한다. 이때 일반적으로 고정되지 않은 플랜지(F)를 회전시켜 양자를 체결시킬 것이다.After forming the screw thread in the next step (S20), the female thread of one side of the flange (F) and the other male thread of the pipe (P) is screwed together. At this time, the flange (F) which is not fixed will generally be rotated to engage both.

체결 후 다음 단계(S30)에서, 팽창수단(Expander)을 플랜지(F)와 파이프(P)가 나사결합된 제1 연결부(A1) 내면에 삽입한 후, 팽창수단(Expander)으로 제1 연결부(A1) 내면을 반경방향으로 가압하여 팽창시킨다. 본 발명에서 제1 연결부(A1)란 상응하는 나사산이 형성된 후 결합되는 영역을 말한다. In the next step after the fastening (S30), the expansion means (Expander) is inserted into the inner surface of the first connection portion (A1) in which the flange (F) and the pipe (P) is screwed, and then the first connection portion (Expander) A1) Press the inner surface in the radial direction to expand it. In the present invention, the first connection portion A1 refers to a region that is coupled after the corresponding thread is formed.

본 발명의 제 1실시예에서 팽창수단(Expander)은 파이프와 결합된 프랜지(F)의 타측(도 1 기준 우측) 중공부로 내삽된 후, 팽창 작동이 이루어지는 부위(작동구)가 제1 연결부(A1)에 위치하면 작업자가 팽창수단(Expander)을 조작하여 작동구가 팽창하여 제1 연결부(A1) 내면을 반경방향으로 가압 팽창시킨다.In the first embodiment of the present invention, the expansion means (Expander) is inserted into the hollow portion of the other side (right side of FIG. 1) of the flange F coupled to the pipe, and then the portion (operation tool) in which the expansion operation is performed is connected to the first connection portion ( When located in A1), the operator operates the expansion means (Expander) to expand the operating tool to pressurize and expand the inner surface of the first connection portion (A1) in the radial direction.

본 발명에서 팽창수단(Expander)은, 작업자가 구동부에 작동 신호를 인가하는 조작부와, 작동구를 유압, 공압, 또는 전자기적인 힘으로 팽창시키는 구동부와, 파이프(피작업체)보다 작은 직경의 수축된 상태에서 파이프(피작업체) 등에 내삽된 후 파이프보다 더 큰 직경으로 팽창하는 작동구를 포함하여 구성된다.In the present invention, the expansion means (Expander), the operator to apply the operation signal to the drive unit, the drive unit for inflating the operation port by hydraulic, pneumatic or electromagnetic force, and the contracted diameter of smaller than the pipe (workpiece) And an operating tool that is inserted into a pipe (workpiece) or the like in a state and then expands to a larger diameter than the pipe.

본 발명의 출원일 이전에 공지된 파이프(피작업체)보다 작은 직경의 수축된 상태에서 파이프(피작업체) 등에 내삽된 후 파이프(피작업체)보다 더 큰 직경으로 팽창하는 작동구를 포함하는 공지된 팽창수단(Expander)의 구성 및 작용은 본 발명의 명세서에 기재된 것으로 보며 본 발명의 명세서에서 그 상세한 설명은 생략한다.Known expansion, including an actuator that expands to a larger diameter than the pipe (workpiece) after being inserted into a pipe (workpiece) or the like in a contracted state of smaller diameter than the pipe (workpiece) known before the filing date of the present invention The construction and operation of the means are considered to be described in the specification of the present invention and the detailed description thereof is omitted in the specification of the present invention.

본 발명의 제1 실시예에 따른 나사 압착식 배관 연결 방법(플랜지와 파이프)은 플랜지(F)와 파이프(P)를 서로 나사결합시켜 체결하는 단계(S20)와 팽창수단(Expander)으로써 제1 연결부(A1) 내면을 반경방향으로 가압하여 팽창시키는 단계(S30) 사이에, 상기 제1 연결부(A1)의 외면을 외면지지구(C)로 지지시켜서 팽창수단(Expander)의 내면 가압(S30 단계)에 의한 제1 연결부(A1)의 외면 팽창을 미리 방지시키는 단계(S40)를 더 포함하여 구성되는 것이 바람직하다.The screw crimped pipe connection method (flange and pipe) according to the first embodiment of the present invention comprises the step (S20) and expansion means (Expander) of screwing the flange (F) and the pipe (P) with each other. Pressing the inner surface of the connecting portion A1 in the radial direction to inflate (S30), by pressing the inner surface of the expansion means (Expander) by supporting the outer surface of the first connecting portion A1 with the outer surface support C (step S30). It is preferable to further comprise a step (S40) of preventing the expansion of the outer surface of the first connection portion (A1) by the) in advance.

도 5에 도시된 바와 같은 외면지지구(C)는 일부가 절결된 링본체(30)와, 상기 링본체(30)의 일측 외면에 회동가능하게 고정된 브라켓(31)과, 상기 브라켓(31) 중간에 회동되게 고정된 고리부(32)와, 링본체(30)의 타측 외면에 형성된 고리고정 부(33)을 포함하여 구성되는 클램프일 수 있다. 하지만 클램프의 형상은 여기에 한정되는 것은 아니며 파이프의 외면을 강하게 지지할 수 있는 공지된 클램프 구조가 사용될 수 있음은 당연하다.As shown in FIG. 5, the outer surface support C includes a ring body 30 partially cut off, a bracket 31 rotatably fixed to one outer surface of the ring body 30, and the bracket 31. It may be a clamp configured to include a ring portion 32 fixed to be rotated in the middle, and a ring fixing portion 33 formed on the other outer surface of the ring body 30. However, the shape of the clamp is not limited thereto, and it is natural that a known clamp structure capable of strongly supporting the outer surface of the pipe may be used.

도 2 또는 도 4에 도시된 바와 같이, 본 발명에 제2 실시예에 따른 나사 압착식 배관 연결 방법은, 파이프(P2)와 파이프(P)의 단부에 암, 수 나사산을 형성하는 단계(S110)와; 파이프(P2)와 파이프(P)를 서로 나사결합시켜 체결하는 단계(S120)와; 팽창수단(Expander)을 파이프(P2)와 파이프(P)가 나사결합된 제2 연결부(A2) 내면에 삽입한 후, 팽창수단(Expander)으로 상기 제2 연결부(A2) 내면을 반경방향으로 가압하여 팽창시키는 단계(S130);를 포함하여 구성된다.As shown in FIG. 2 or FIG. 4, in the screw crimped pipe connection method according to the second embodiment of the present invention, forming a male and a male thread at an end of the pipe P2 and the pipe P (S110). )Wow; Screwing the pipe (P2) and the pipe (P) to each other (S120); The expansion means (Expander) is inserted into the inner surface of the second connection portion (A2) in which the pipe (P2) and the pipe (P) is screwed, then press the inner surface of the second connection portion (A2) in the radial direction with the expansion means (Expander) It is configured to include; expanding (S130).

파이프(P)의 타측에 결합되어 연장되는 파이프(P2)는 암나사산을 형성하고, 일측에 위치한 파이프(P)의 타측에는 숫나사산을 형성하여 양자를 나사결합한다. 제2 연결부(A2)는 파이프(P2)는 암나사산과 파이프(P)의 숫나사산이 서로 결합하여 형성하는 나사결합 영역이다.The pipe P2 coupled to the other side of the pipe P extends to form a female thread, and the other side of the pipe P located on one side forms a male thread to screw the two together. The second connection portion A2 is a threaded region in which the pipe P2 is formed by coupling the female thread and the male thread of the pipe P to each other.

본 발명에 따른 나사 압착식 배관 연결 방법은, 파이프(P2)와 파이프(P)를 서로 나사결합시켜 체결하는 단계(S120)와 팽창수단(Expander)으로써 제2 연결부(A2) 내면을 반경방향으로 가압하여 팽창시키는 단계(S130) 사이에, 상기 제2 연 결부(A2)의 외면을 외면지지구(C)로 지지시켜서 팽창수단(Expander)의 내면 가압(S130 단계)에 의한 제2 연결부(A2)의 외면 팽창을 미리 방지시키는 단계(S140);를 더 포함하여 구성되는 것이 바람직하다.In the screw crimped pipe connection method according to the present invention, the inner surface of the second connecting portion A2 is radially formed by expanding the pipe P2 and the pipe P by screwing each other (S120) and expanding means (Expander). Between the step of expanding by pressing (S130), by supporting the outer surface of the second connection portion (A2) with an outer surface support (C), the second connection portion (A2) by the inner surface pressurization (step S130) of the expansion means (Expander) It is preferably configured to further include; (S140) to prevent the expansion of the outer surface of the) in advance.

본 발명은 상기에서 언급한 바람직한 실시예와 관련하여 설명됐지만, 본 발명의 범위가 이러한 실시예에 한정되는 것은 아니며, 본 발명의 범위는 이하의 특허청구범위에 의하여 정하여지는 것으로 본 발명과 균등 범위에 속하는 다양한 수정 및 변형을 포함할 것이다.Although the present invention has been described in connection with the above-mentioned preferred embodiments, the scope of the present invention is not limited to these embodiments, and the scope of the present invention is defined by the following claims, and equivalent scope of the present invention. It will include various modifications and variations belonging to.

아래의 특허청구범위에 기재된 도면부호는 단순히 발명의 이해를 보조하기 위한 것으로 권리범위의 해석에 영향을 미치지 아니함을 밝히며 기재된 도면부호에 의해 권리범위가 좁게 해석되어서는 안될 것이다.The reference numerals set forth in the claims below are merely to aid the understanding of the present invention, not to affect the interpretation of the scope of the claims, and the scope of the claims should not be construed narrowly.

도 1은 본 발명의 제1 실시예에 따른 나사 압착식 배관 연결 방법(플랜지와 파이프)을 보이는 단면도. 1 is a cross-sectional view showing a screw crimped pipe connection method (flange and pipe) according to a first embodiment of the present invention.

도 2는 본 발명의 제2 실시예에 따른 나사 압착식 배관 연결 방법(파이프와 파이프)을 보이는 단면도.Figure 2 is a cross-sectional view showing a screw crimped pipe connection method (pipe and pipe) according to a second embodiment of the present invention.

도 3은 본 발명의 제1 실시예에 따른 나사 압착식 배관 연결 방법(플랜지와 파이프) 공정도. Figure 3 is a screw compression pipe connection method (flange and pipe) process diagram according to a first embodiment of the present invention.

도 4는 본 발명의 제2 실시예에 따른 나사 압착식 배관 연결 방법(파이프와 파이프) 공정도.Figure 4 is a screw crimp pipe connection method (pipe and pipe) process according to a second embodiment of the present invention.

도 5는 본 발명의 제3 실시예에 따른 나사 압착식 배관 연결 방법(파이프와 파이프)의 클램프 사시도.Figure 5 is a perspective view of the clamp of the screw compression pipe connection method (pipe and pipe) according to a third embodiment of the present invention.

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

F : 플랜지F: Flange

P2, P : 파이프P2, P: Pipe

A1, A2 : 연결부A1, A2: connection part

30 : 링본체30: ring body

31 : 브라켓31: Bracket

32 : 고리부32: ring portion

33 : 고리고정부33: Gorigo Government

Claims (5)

삭제delete 삭제delete 나사 압착식 배관 연결 방법에 있어서,In the screw crimp pipe connection method, 플랜지(F)와 파이프(P)의 단부에 암, 수 나사산을 형성하는 단계(S10)와;Forming a male and a male thread at an end of the flange (F) and the pipe (P) (S10); 플랜지(F)와 파이프(P)를 서로 나사결합시켜 체결하는 단계(S20)와;Screwing the flange (F) and the pipe (P) together and fastening (S20); 팽창수단(Expander)을 플랜지(F)와 파이프(P)가 나사결합된 제1 연결부(A1) 내면에 삽입한 후, 상기 팽창수단(Expander)으로 상기 제1 연결부(A1) 내면을 반경방향으로 가압하여 팽창시키는 단계(S30);를 포함하여 구성되되,After the expansion means (Expander) is inserted into the inner surface of the first connection portion (A1) screwed to the flange (F) and the pipe (P), the inner surface of the first connection portion (A1) in the radial direction by the expansion means (Expander) Consists of including the step of expanding by pressing (S30), 플랜지(F)와 파이프(P)를 서로 나사결합시켜 체결하는 단계(S20)와 팽창수단(Expander)으로써 제1 연결부(A1) 내면을 반경방향으로 가압하여 팽창시키는 단계(S30) 사이에,Between the step (S20) of screwing the flange (F) and the pipe (P) together and expanding (S30) by pressing the inner surface of the first connection portion (A1) in the radial direction by expanding means (Expander), 상기 제1 연결부(A1)의 외면을 외면지지구(C)로 지지시켜서 팽창수단(Expander)의 내면 가압(S30 단계)에 의한 제1 연결부(A1)의 외면 팽창을 미리 방지시키는 단계(S40);를 더 포함하여 구성되고,Supporting the outer surface of the first connection portion (A1) with the outer surface support (C) to prevent the expansion of the outer surface of the first connection portion (A1) by the internal pressure of the expansion means (Expander) (step S30) in advance (S40) Further comprises; 상기 외면지지구(C)는 클램프인 것을 특징으로 하는 나사 압착식 배관 연결 방법.The outer surface support (C) is a screw crimping pipe connection method, characterized in that the clamp. 나사 압착식 배관 연결 방법에 있어서,In the screw crimp pipe connection method, 파이프(P2)와 파이프(P)의 단부에 암, 수 나사산을 형성하는 단계(S110)와;Forming a male and female thread at an end of the pipe P2 and the pipe P (S110); 파이프(P2)와 파이프(P)를 서로 나사결합시켜 체결하는 단계(S120)와;Screwing the pipe (P2) and the pipe (P) to each other (S120); 팽창수단(Expander)을 파이프(P2)와 파이프(P)가 나사결합된 제2 연결부(A2) 내면에 삽입한 후, 팽창수단(Expander)으로 상기 제2 연결부(A2) 내면을 반경방향으로 가압하여 팽창시키는 단계(S130);를 포함하여 구성되되,The expansion means (Expander) is inserted into the inner surface of the second connection portion (A2) in which the pipe (P2) and the pipe (P) is screwed, then press the inner surface of the second connection portion (A2) in the radial direction with the expansion means (Expander) To expand by (S130); configured to include, 파이프(P2)와 파이프(P)를 서로 나사결합시켜 체결하는 단계(S120)와 팽창수단(Expander)으로써 제2 연결부(A2) 내면을 반경방향으로 가압하여 팽창시키는 단계(S130) 사이에,Between the step (S120) of screwing the pipe (P2) and the pipe (P) with each other and expanding (S130) by pressing the inner surface of the second connection portion (A2) radially by expansion means (Expander), 상기 제2 연결부(A2)의 외면을 외면지지구(C)로 지지시켜서 팽창수단(Expander)의 내면 가압(S130 단계)에 의한 제2 연결부(A2)의 외면 팽창을 미리 방지시키는 단계(S140);를 더 포함하여 구성되고,Supporting the outer surface of the second connection portion (A2) with the outer surface support (C) to prevent the expansion of the outer surface of the second connection portion (A2) by the inner surface pressurization (Step S130) of the expansion means (Expander) (S140) Further comprises; 상기 외면지지구(C)는 클램프인 것을 특징으로 하는 나사 압착식 배관 연결 방법.The outer surface support (C) is a screw crimping pipe connection method, characterized in that the clamp. 삭제delete
KR1020090076586A 2009-08-19 2009-08-19 Screw compression type pipe connecting method KR100954533B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101346633B1 (en) * 2011-10-24 2014-01-02 주식회사 랩웍스 A test method and measuring apparatus for particle deposition losses for sample transport tubes

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Publication number Priority date Publication date Assignee Title
JPH05149484A (en) * 1991-11-28 1993-06-15 Hitachi Metals Ltd Connecting method for thin wall stainless pipe
KR19980014395U (en) * 1998-03-12 1998-06-05 송계원 Boiler Exhaust Sleeves
US6607220B2 (en) * 2001-10-09 2003-08-19 Hydril Company Radially expandable tubular connection
US7464449B2 (en) 2003-11-05 2008-12-16 Tenaris Connections Ag Method of forming a high-strength sealed connection for expandable tubulars

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05149484A (en) * 1991-11-28 1993-06-15 Hitachi Metals Ltd Connecting method for thin wall stainless pipe
KR19980014395U (en) * 1998-03-12 1998-06-05 송계원 Boiler Exhaust Sleeves
US6607220B2 (en) * 2001-10-09 2003-08-19 Hydril Company Radially expandable tubular connection
US7464449B2 (en) 2003-11-05 2008-12-16 Tenaris Connections Ag Method of forming a high-strength sealed connection for expandable tubulars

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101346633B1 (en) * 2011-10-24 2014-01-02 주식회사 랩웍스 A test method and measuring apparatus for particle deposition losses for sample transport tubes

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