KR101008710B1 - Structure for fixing flange to cast-iron pipe and method of fixing flange to cast-iron pipe - Google Patents

Structure for fixing flange to cast-iron pipe and method of fixing flange to cast-iron pipe Download PDF

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Publication number
KR101008710B1
KR101008710B1 KR1020100101458A KR20100101458A KR101008710B1 KR 101008710 B1 KR101008710 B1 KR 101008710B1 KR 1020100101458 A KR1020100101458 A KR 1020100101458A KR 20100101458 A KR20100101458 A KR 20100101458A KR 101008710 B1 KR101008710 B1 KR 101008710B1
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KR
South Korea
Prior art keywords
flange
iron pipe
cast iron
filler
filling
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KR1020100101458A
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Korean (ko)
Inventor
허병욱
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현대주철산업 주식회사
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Priority to KR1020100101458A priority Critical patent/KR101008710B1/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
    • F16L23/00—Flanged joints
    • F16L23/02—Flanged joints the flanges being connected by members tensioned axially
    • F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
    • F16L23/028—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes the flanges being held against a shoulder
    • 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
    • F16L23/00—Flanged joints
    • F16L23/02—Flanged joints the flanges being connected by members tensioned axially
    • F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
    • 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
    • F16L23/00—Flanged joints
    • F16L23/16—Flanged joints characterised by the sealing means
    • F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
    • 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
    • F16L9/00—Rigid pipes
    • F16L9/02—Rigid pipes of metal

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Flanged Joints, Insulating Joints, And Other Joints (AREA)

Abstract

PURPOSE: A structure for combining a flange to a cast-iron pipe and a coupling method thereof are provided to strongly fix a flange to a cast iron pipe since filter is hardened in order to couple the flange with the cast iron pipe. CONSTITUTION: A structure for combining a flange to a cast-iron pipe comprises a cast iron pipe(10), a flange(20), a filler(30), and a filling space(40). When the flange is inserted into the cast iron pipe, a lower finishing portion(24) of the flange is mounted on a flange placing portion(14a) of a lower rim(14) of the cast iron pipe. The filling space is formed between a filling groove(12) of the cast iron pipe and the inner groove(22) of the flange. An injecting portion(42) is formed between the rim(16) of the cast iron pipe and the upper finishing portion(26) of the flange. The filling space is filled with the filler through the injecting portion. If the filler is hardened, the cast iron pipe and the flange are combined by the filler.

Description

주철관 플랜지 결합구조 및 이의 결합방법{STRUCTURE FOR FIXING FLANGE TO CAST-IRON PIPE AND METHOD OF FIXING FLANGE TO CAST-IRON PIPE}STRUCTURE FOR FIXING FLANGE TO CAST-IRON PIPE AND METHOD OF FIXING FLANGE TO CAST-IRON PIPE}

본 발명은 주철관 단부에 플랜지가 고정되는 주철관 플랜지 결합구조 및 이의 결합방법에 관한 것으로, 보다 상세하게는 주철관의 일단에 플랜지가 끼워지고, 상기 주철관과 플랜지 사이에 형성된 충진공간에 액상의 충진제가 주입된 후 응고되어 주철관에 플랜지가 결합되는 주철관 플랜지 결합구조 및 이의 결합방법에 관한 것이다.
The present invention relates to a cast iron pipe flange coupling structure in which the flange is fixed to the end of the cast iron pipe, and more specifically, a flange is fitted to one end of the cast iron pipe, the liquid filler is injected into the filling space formed between the cast iron pipe and the flange It relates to a cast iron pipe flange coupling structure and a method of coupling the flange is coupled to the cast iron pipe after being solidified.

본 출원인의 등록특허 제10-0718684호(2007년05월09일, 등록)에 "주철관 연결용 플랜지 소켓 어셈블리"가 소개되어 있다. "Flanged socket assembly for connecting cast iron pipe" is introduced in the applicant's registered patent No. 10-0718684 (registered May 09, 2007).

상기 주철관 연결용 소켓 어셈블리는 주철관의 어느 한 단부에 오목홈이 형성되고, 상기 주철관의 오목홈에 절개부가 형성된 결합링이 끼워진 후 용접되고, 상기 주철관의 단부에 플랜지 소켓이 끼워진 후, 상기 결합링과 플랜지 소켓이 체결볼트에 의해 결합되며, 상기 플랜지 소켓은 중공부가 형성된 원통부의 외주면에 제 1 플랜지부가 일체로 형성되고, 제 1 플랜지부에 다수개의 볼트구멍이 형성되며, 상기 원통부의 내주면 선단에 걸림턱이 형성되고, 걸림턱에 수밀을 위해 패킹이 장착되며, 상기 원통부의 외주면에 결합링의 플랜지부에 대응되도록 반원형상의 제 2 플랜지부가 형성되는 것을 특징으로 한다. The socket assembly for connecting the cast iron pipe is formed after the concave groove is formed in one end of the cast iron pipe, the coupling ring is formed in the concave groove of the cast iron pipe is welded, the flange socket is fitted to the end of the cast iron pipe, the coupling ring And a flange socket are coupled by fastening bolts, the flange socket having a first flange portion integrally formed on an outer circumferential surface of a cylindrical portion having a hollow portion, a plurality of bolt holes formed on the first flange portion, and a tip of an inner circumferential surface of the cylindrical portion. The locking jaw is formed, the packing is mounted on the locking jaw for watertightness, and a semi-circular second flange portion is formed on the outer circumferential surface of the cylindrical portion so as to correspond to the flange portion of the coupling ring.

그러나, 상기 주철관 연결용 플랜지 소켓 어셈블리는 주철관의 어느 한 단부에 오목홈이 형성되어 주철관의 강도가 약해지고, 상기 주철관의 오목홈에 결합링이 끼워진 후 용접된 후, 결합링과 플랜지 소켓이 체결볼트에 의해 결합되는 과정이 복잡한 문제가 있다.
However, the flange socket assembly for connecting the cast iron pipe has a concave groove formed at one end of the cast iron pipe, the strength of the cast iron pipe is weakened, after the coupling ring is inserted into the concave groove of the cast iron pipe and welded, the coupling ring and the flange socket fastening bolts. The process of combining by is a complex problem.

따라서, 본 발명은 목적은 주철관의 일단에 플랜지를 끼워 넣은 후, 상기 주철관과 플랜지 사이에 형성된 충진공간에 액상의 충진재가 주입되고, 상기 충진제가 응고되어 주철관에 플랜지가 결합되는 주철관 플랜지 결합구조 및 이의 결합방법을 제공하는 것이다.
Therefore, an object of the present invention is to insert a flange into one end of the cast iron pipe, the liquid filler is injected into the filling space formed between the cast iron pipe and the flange, the filler is solidified cast iron pipe flange coupling structure and the flange is coupled to the cast iron pipe and It is to provide a combination thereof.

상기 목적을 달성하기 위한 본 발명의 실시예에 따른 주철관 플랜지 결합구조는 주철관의 일단에 중공부가 형성된 플랜지가 끼워지도록, 상기 주철관은 일단에 충진홈이 형성되고, 상기 충진홈의 하단에 하부테두리부가 형성되고, 상기 하부테두리부의 외주면으로 플랜지 안치부가 단차지게 형성되고, 상기 충진홈의 상단에 상부테두리부가 형성되고, 상기 플랜지는 중공부의 둘레면에 내측홈이 형성되고, 상기 내측홈의 하단에 하부마감부가 형성되고, 상기 내측홈의 상단에 상부마감부가 형성되어, 주철관에 플랜지를 끼우면, 상기 주철관의 하부테두리부에 형성된 플랜지 안치부에 플랜지의 하부마감부가 안착되고, 상기 주철관의 충진홈과 플랜지의 내측홈 사이에 충진공간이 형성되고, 상기 주철관의 테두리부와 플랜지의 상부마감부 사이에 주입부가 형성되어, 충진제가 주입부를 통해 충진공간에 채워지고, 상기 충진제가 응고되면, 충진제에 의해 주철관과 플랜지가 결합되는 것을 특징으로 한다. Cast iron pipe flange coupling structure according to an embodiment of the present invention for achieving the above object is a fitting groove is formed in one end of the cast iron pipe, the hollow groove is formed in one end of the cast iron pipe, the lower edge portion at the bottom of the filling groove It is formed, the flange settled to the outer peripheral surface of the lower edge portion is formed stepped, the upper edge portion is formed on the top of the filling groove, the flange is formed in the inner groove on the circumferential surface of the hollow portion, the lower portion of the lower end of the inner groove A finishing part is formed, and an upper finishing part is formed at an upper end of the inner groove, and when the flange is fitted into the cast iron pipe, the lower finishing part of the flange is seated in the flange settled part formed in the lower edge of the cast iron pipe, and the filling groove and the flange of the cast iron pipe are formed. Filling space is formed between the inner groove of the main, between the rim of the cast iron pipe and the upper end of the flange Portion is formed, the filler is filled in the filling space through the injection part, if the filler is solidified, characterized in that the cast iron pipe with a flange engaged by the filler.

상기 충진제는 에폭시 수지와 같은 합성수지, 동, 납, 알루미늄과 같은 비철금속 소재 또는 주철과 같은 금속소재 중 어느 하나인 것을 특징으로 한다.The filler is characterized in that any one of a synthetic resin, such as epoxy resin, copper, lead, a non-ferrous metal material such as aluminum or a metal material such as cast iron.

상기 플랜지는 상부면에 원호형상의 패킹홈이 형성되고, 복수개의 볼트구멍이 형성되는 것을 특징으로 한다. The flange is characterized in that the arc-shaped packing groove is formed on the upper surface, a plurality of bolt holes are formed.

상기 목적을 달성하기 위한 본 발명의 실시예에 따른 주철관 플랜지 결합구조의 결합방법은 (가) 주철관의 단부에 상부테두리부, 충진홈, 하부테두리부 및 플랜지 안치부를 성형하는 한편, 플랜지의 중공부 둘레면에 내측홈, 하부마감부 및 상부마감부를 성형하는 단계; (나) 주철관의 단부에 플랜지를 끼워, 플랜지의 하부마감부를 주철관의 플랜지 안치부에 안착하는 단계; (다) 주철관과 플랜지 사이의 충진공간에 충진제를 주입하여 응고하는 단계를 포함하는 것을 특징으로 한다. The method of coupling the cast iron pipe flange coupling structure according to an embodiment of the present invention for achieving the above object is (a) forming the upper rim portion, the filling groove, the lower rim portion and the flange set portion at the end of the cast iron pipe, while the hollow portion of the flange Forming an inner groove, a lower finish part and an upper finish part on a circumferential surface; (B) fitting a flange to an end of the cast iron pipe, and seating the lower end of the flange on the flange seat of the cast iron pipe; (C) characterized in that it comprises the step of solidifying by injecting a filler into the filling space between the cast iron pipe and the flange.

상기 충진제가 에폭시 수지와 같은 합성수지일 경우, 액상의 합성수지에 경화제를 첨가하여 합성수지를 경화시킴으로써, 주철관에 플랜지를 고정하는 것을 특징으로 한다. When the filler is a synthetic resin such as an epoxy resin, by adding a curing agent to the liquid synthetic resin to cure the synthetic resin, it is characterized in that the flange is fixed to the cast iron pipe.

상기 충진제가 동, 납, 알루미늄과 같은 비철금속인 경우, 비철금속을 용해하여, 액상의 비철금속을 충진공간에 주입한 후, 응고시킴으로써, 주철관에 플랜지를 고정하는 것을 특징으로 한다. When the filler is a non-ferrous metal such as copper, lead, aluminum, it is characterized in that the flange is fixed to the cast iron pipe by dissolving the non-ferrous metal, injecting the liquid non-ferrous metal into the filling space, and then solidified.

상기 충진제가 주철과 같은 금속소재인 경우, 용해된 금속소재의 충진제를 충진공간에 주입함으로써, 주철관에 플랜지를 고정하는 것을 특징으로 한다. When the filler is a metal material such as cast iron, it is characterized in that the flange is fixed to the cast iron pipe by injecting the filler of the molten metal material into the filling space.

상기 충진공간에 비철금속 또는 금속소재를 충진하기 전에, 충진공간에 용접분말을 도포하는 것을 특징으로 한다.
Before filling the non-ferrous metal or metal material in the filling space, it is characterized in that the welding powder is applied to the filling space.

이것에 의해, 본 발명의 주철관 플랜지 결합구조 및 이의 결합방법은 주철관의 일단에 플랜지를 끼워 넣은 후, 상기 주철관과 플랜지 사이에 형성된 충진공간에 액상의 충진제가 주입된 후, 상기 충진제가 응고되어 주철관에 플랜지가 결합됨으로써, 플랜지가 주철관에 견고하게 고정되고, 진동 등의 외부요인에 의해 플랜지가 주철관에서 이탈되거나 헐거워지는 것을 방지할 수 있고, 제조 공정이 간단한 효과가 있다.
As a result, the cast iron pipe flange coupling structure of the present invention and the method of joining the same, after the flange is inserted into one end of the cast iron pipe, the liquid filler is injected into the filling space formed between the cast iron pipe and the flange, the filler is solidified to cast iron pipe By coupling the flange to the flange, the flange is firmly fixed to the cast iron pipe, and the flange is prevented from being separated or loosened from the cast iron pipe due to external factors such as vibration, and the manufacturing process has a simple effect.

도 1은 본 발명의 실시예에 따른 주철관 플랜지 결합구조의 분해사시도
도 2는 본 발명의 실시예에 따른 주철관 플랜지 결합구조의 단면도
도 3은 도 2의 주철관 플랜지 결합구조에 충진제가 주입된 상태를 도시한 단면도
도 4는 본 발명에 따른 주철관 플랜지 결합구조에 의해 2개의 플랜지가 결합된 주철관이 연결된 예를 도시한 단면도
도 5는 본 발명에 따른 주철관 플랜지 결합구조의 결합방법을 도시한 순서도1 is an exploded perspective view of a cast iron pipe flange coupling structure according to an embodiment of the present invention
Figure 2 is a cross-sectional view of the cast iron pipe flange coupling structure according to an embodiment of the present invention
3 is a cross-sectional view showing a state in which a filler is injected into the cast iron pipe flange coupling structure of FIG.
Figure 4 is a cross-sectional view showing an example in which the cast iron pipe coupled to the two flanges by the cast iron pipe flange coupling structure according to the present invention.
5 is a flow chart showing a method of joining the cast iron pipe flange coupling structure according to the present invention.

이하, 본 발명에 따른 바람직한 실시예를 도면을 참조하여 상세하게 설명하기로 한다. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

도 1 내지 도 3을 참조하면, 본 발명의 실시예에 따른 주철관 플랜지 결합구조는 주철관(10)의 일단에 중공부(21)가 형성된 플랜지(20)가 끼워진다. 1 to 3, in the cast iron pipe flange coupling structure according to the embodiment of the present invention, a flange 20 having a hollow portion 21 formed at one end of the cast iron pipe 10 is fitted thereto.

상기 주철관(10)은 일단에 충진홈(12)이 형성되고, 상기 충진홈(12)의 하단에 하부테두리부(14)가 형성되고, 상기 하부테두리부(14)의 외주면으로 플랜지 안치부(14a)가 단차지게 형성되고, 상기 충진홈(12)의 상단에 상부테두리부(16)가 형성된다. The cast iron pipe 10 has a filling groove 12 formed at one end thereof, and a lower edge portion 14 is formed at a lower end of the filling groove 12, and a flange set portion (3) is formed on the outer circumferential surface of the lower edge portion 14. 14a) is formed to be stepped, and an upper edge portion 16 is formed at an upper end of the filling groove 12.

상기 플랜지(20)는 중공부(21)의 둘레면에 내측홈(22)이 형성되고, 상기 내측홈(22)의 하단에 하부마감부(24)가 형성되고, 상기 내측홈(22)의 상단에 상부마감부(26)가 형성된다. The flange 20 has an inner groove 22 formed on the circumferential surface of the hollow portion 21, a lower end portion 24 formed on the lower end of the inner groove 22, and the inner groove 22 of the The upper closing portion 26 is formed at the top.

이것에 의해, 주철관(10)에 플랜지(20)를 끼우면, 상기 주철관(10)의 하부테두리부(14)에 형성된 플랜지 안치부(14a)에 플랜지(20)의 하부마감부(24)가 안착되고, 상기 주철관(10)의 충진홈(12)과 플랜지(20)의 내측홈(22) 사이에 충진공간(40)이 형성되고, 상기 주철관(10)의 테두리부(16)와 플랜지(20)의 상부마감부(26) 사이에 주입부(42)가 형성되어, 충진제(30)가 주입부(42)를 통해 충진공간(40)에 채워지고, 상기 충진제(30)가 응고되면, 충진제(30)에 의해 주철관(10)과 플랜지(20)가 결합된다. Thus, when the flange 20 is inserted into the cast iron pipe 10, the lower end portion 24 of the flange 20 is seated on the flange set portion 14a formed in the lower edge portion 14 of the cast iron pipe 10. The filling space 40 is formed between the filling groove 12 of the cast iron pipe 10 and the inner groove 22 of the flange 20, and the edge portion 16 and the flange 20 of the cast iron pipe 10. Injection portion 42 is formed between the upper end portion 26 of the), the filler 30 is filled in the filling space 40 through the injection portion 42, and when the filler 30 is solidified, the filler Cast iron pipe 10 and the flange 20 is coupled by 30.

상기 충진제(30)는 에폭시 수지와 같은 합성수지, 동, 납, 알루미늄과 같은 비철금속 소재 또는 주철과 같은 금속소재 중 어느 하나일 수 있다. The filler 30 may be any one of a synthetic resin such as epoxy resin, a nonferrous metal material such as copper, lead, aluminum, or a metal material such as cast iron.

이것에 의해, 상기 충진제(30)가 에폭시 수지와 같은 합성수지인 경우, 액상의 합성수지에 경화제를 첨가하여 합성수지를 경화시킴으로써, 주철관(10)에 플랜지(20)를 고정할 수 있다. As a result, when the filler 30 is a synthetic resin such as an epoxy resin, the flange 20 can be fixed to the cast iron pipe 10 by adding a curing agent to the liquid synthetic resin and curing the synthetic resin.

다른 대안으로, 상기 충진제가 동, 납, 알루미늄과 같은 비철금속인 경우, 비철금속을 용해하여, 액상의 비철금속을 충진공간(40)에 주입한 후, 응고시킴으로써, 주철관(10)에 플랜지(20)를 고정할 수 있다. Alternatively, if the filler is a non-ferrous metal such as copper, lead, aluminum, the non-ferrous metal is dissolved, the liquid non-ferrous metal is injected into the filling space 40, and then solidified, so that the flange 20 to the cast iron pipe 10 Can be fixed

또 다른 대안으로, 상기 충진제(30)가 주철과 같은 금속소재인 경우, 충진공간(40)에 용접분말을 도포한 후, 용융된 금속소재의 충진제(30)를 충진공간(40)에 주입함으로써, 주철관(10)에 플랜지(20)를 고정할 수 있다. In another alternative, when the filler 30 is a metal material such as cast iron, by applying a welding powder to the filling space 40, by injecting the filler 30 of the molten metal material into the filling space 40 The flange 20 can be fixed to the cast iron pipe 10.

도 1을 다시 참조하면, 상기 플랜지(20)는 상부면에 원호형상의 패킹홈(28)이 형성되고, 복수개의 볼트구멍(29)이 형성된다. Referring back to FIG. 1, the flange 20 has an arc-shaped packing groove 28 formed on an upper surface thereof, and a plurality of bolt holes 29 are formed.

도 5를 참조하면, 상기와 같이 구성된 본 발명에 따른 주철관 플랜지 결합구조의 결합방법은 다음과 같다. Referring to Figure 5, the coupling method of the cast iron pipe flange coupling structure according to the present invention configured as described above are as follows.

(가) 주철관(10)의 단부에 상부테두리부(16), 충진홈(12), 하부테두리부(14) 및 플랜지 안치부(14a)를 성형하는 한편, 플랜지(20)의 중공부(21) 둘레면에 내측홈(22), 하부마감부(24) 및 상부마감부(26)를 성형하는 단계(S10);(A) The upper edge portion 16, the filling groove 12, the lower edge portion 14 and the flange mounting portion 14a are formed at the ends of the cast iron pipe 10, while the hollow portion 21 of the flange 20 is formed. Forming an inner groove 22, a lower finishing part 24, and an upper finishing part 26 on the circumferential surface (S10);

(나) 주철관(10)의 단부에 플랜지(20)를 끼워, 플랜지(20)의 하부마감부(24)를 주철관(10)의 플랜지 안치부(14a)에 안착하는 단계(S20);(B) fitting the flange 20 to the end of the cast iron pipe 10, and seating the lower end portion 24 of the flange 20 on the flange seat 14a of the cast iron pipe 10 (S20);

(다) 주철관(10)과 플랜지(20) 사이의 충진공간(40)에 충진제(30)를 주입하여 응고하는 단계(S30)로 구성된다. (C) Injecting the filler 30 in the filling space 40 between the cast iron pipe 10 and the flange 20 to solidify (S30).

상기 충진제(30)가 에폭시 수지와 같은 합성수지일 경우, 액상의 합성수지에 경화제를 첨가하여 합성수지를 경화시킴으로써, 주철관(10)에 플랜지(20)를 고정한다. When the filler 30 is a synthetic resin such as an epoxy resin, the flange 20 is fixed to the cast iron pipe 10 by adding a curing agent to the liquid synthetic resin to cure the synthetic resin.

상기 충진제(30)가 동, 납, 알루미늄과 같은 비철금속인 경우, 비철금속을 용해하여, 액상의 비철금속을 충진공간(40)에 주입한 후, 응고시킴으로써, 주철관(10)에 플랜지(20)를 고정한다. When the filler 30 is a non-ferrous metal such as copper, lead or aluminum, the non-ferrous metal is dissolved, the liquid nonferrous metal is injected into the filling space 40, and then solidified, thereby fixing the flange 20 to the cast iron pipe 10. do.

상기 충진제(30)가 주철과 같은 금속소재인 경우, 용해된 금속소재의 충진제(30)를 충진공간(40)에 주입함으로써, 주철관(10)에 플랜지(20)를 고정한다. When the filler 30 is a metal material such as cast iron, the filler 20 of the molten metal material is injected into the filling space 40, thereby fixing the flange 20 to the cast iron pipe 10.

상기 충진공간(40)에 비철금속 또는 금속소재를 충진하기 전에, 충진공간(40)에 용접분말을 도포한다. Before filling the non-ferrous metal or metal material in the filling space 40, the welding powder is applied to the filling space (40).

도 4를 참조하면, 상기와 같이 주철관(10)의 단부에 장착된 본 발명에 따른 주철관 플랜지 결합구조는 플랜지(20)와 연결되는 반대편 주철관(10)의 플랜지(20)가 볼트구멍(29)을 통해 볼트(50) 및 너트(52)에 의해 연결됨으로써, 주철관(10)과 주철관(10)이 연결된다.Referring to Figure 4, the cast iron pipe flange coupling structure according to the present invention mounted on the end of the cast iron pipe 10 as described above, the flange 20 of the opposite cast iron pipe 10 is connected to the flange 20 bolt holes 29 By being connected by the bolt 50 and the nut 52 through, the cast iron pipe 10 and the cast iron pipe 10 is connected.

이때, 플랜지(20)와 반대편 플랜지(20) 사이의 수밀을 위해 복수개의 패킹(54)이 플랜지(20)의 패킹홀(28)에 장착된다.
At this time, a plurality of packings 54 are mounted in the packing holes 28 of the flanges 20 for watertightness between the flanges 20 and the opposite flanges 20.

10: 주철관
20: 플랜지
30: 충진제
40: 충진공간
50: 볼트10: cast iron pipe
20: flange
30: filler
40: filling space
50: bolts

Claims (8)

주철관(10)의 일단에 중공부(21)가 형성된 플랜지(20)가 끼워지도록, 상기 주철관(10)은 일단에 충진홈(12)이 형성되고, 상기 충진홈(12)의 하단에 하부테두리부(14)가 형성되고, 상기 하부테두리부(14)의 외주면으로 플랜지 안치부(14a)가 단차지게 형성되고, 상기 충진홈(12)의 상단에 상부테두리부(16)가 형성되고,
상기 플랜지(20)는 중공부(21)의 둘레면에 내측홈(22)이 형성되고, 상기 내측홈(22)의 하단에 하부마감부(24)가 형성되고, 상기 내측홈(22)의 상단에 상부마감부(26)가 형성되어,
주철관(10)에 플랜지(20)를 끼우면, 상기 주철관(10)의 하부테두리부(14)에 형성된 플랜지 안치부(14a)에 플랜지(20)의 하부마감부(24)가 안착되고, 상기 주철관(10)의 충진홈(12)과 플랜지(20)의 내측홈(22) 사이에 충진공간(40)이 형성되고, 상기 주철관(10)의 테두리부(16)와 플랜지(20)의 상부마감부(26) 사이에 주입부(42)가 형성되어, 충진제(30)가 주입부(42)를 통해 충진공간(40)에 채워지고, 상기 충진제(30)가 응고되면, 충진제(30)에 의해 주철관(10)과 플랜지(20)가 결합되는 것을 특징으로 하는 주철관 플랜지 결합구조.
The cast iron pipe 10 has a filling groove 12 formed at one end thereof so that the flange 20 having a hollow portion 21 formed at one end of the cast iron pipe 10 is formed, and a lower edge at the bottom of the filling groove 12 is formed. A portion 14 is formed, the flange set portion 14a is stepped to the outer peripheral surface of the lower edge portion 14, the upper edge portion 16 is formed on the top of the filling groove 12,
The flange 20 has an inner groove 22 formed on the circumferential surface of the hollow portion 21, a lower end portion 24 formed on the lower end of the inner groove 22, and the inner groove 22 of the The upper closing portion 26 is formed at the top,
When the flange 20 is inserted into the cast iron pipe 10, the lower end portion 24 of the flange 20 is seated on the flange set portion 14a formed in the lower edge portion 14 of the cast iron pipe 10, and the cast iron pipe Filling space 40 is formed between the filling groove 12 of the 10 and the inner groove 22 of the flange 20, the upper end of the edge 16 and the flange 20 of the cast iron pipe 10 When the injection portion 42 is formed between the portions 26, the filler 30 is filled in the filling space 40 through the injection portion 42, and when the filler 30 is solidified, the filler 30 is added to the filler 30. Cast iron pipe flange coupling structure, characterized in that the cast iron pipe 10 and the flange 20 is coupled by.
제 1 항에 있어서,
상기 충진제(30)는 합성수지, 비철금속 소재 또는 금속소재 중 어느 하나인 것을 특징으로 하는 주철관 플랜지 결합구조.
The method of claim 1,
The filler 30 is a cast iron pipe flange coupling structure, characterized in that any one of a synthetic resin, a non-ferrous metal material or a metal material.
제 1 항에 있어서,
상기 플랜지(20)는 상부면에 원호형상의 패킹홈(28)이 형성되고, 복수개의 볼트구멍(29)이 형성되는 것을 특징으로 하는 주철관 플랜지 결합구조.
The method of claim 1,
The flange (20) is cast iron pipe flange coupling structure, characterized in that the arc-shaped packing groove 28 is formed on the upper surface, a plurality of bolt holes (29) are formed.
(가) 주철관(10)의 단부에 상부테두리부(16), 충진홈(12), 하부테두리부(14) 및 플랜지 안치부(14a)를 성형하는 한편, 플랜지(20)의 중공부(21) 둘레면에 내측홈(22), 하부마감부(24) 및 상부마감부(26)를 성형하는 단계(S10);
(나) 주철관(10)의 단부에 플랜지(20)를 끼워, 플랜지(20)의 하부마감부(24)를 주철관(10)의 플랜지 안치부(14a)에 안착하는 단계(S20);
(다) 주철관(10)과 플랜지(20) 사이의 충진공간(40)에 충진제(30)를 주입하여 응고하는 단계(S30)로 구성되는 것을 특징으로 하는 주철관 플랜지 결합구조의 결합방법.
(A) The upper edge portion 16, the filling groove 12, the lower edge portion 14 and the flange mounting portion 14a are formed at the ends of the cast iron pipe 10, while the hollow portion 21 of the flange 20 is formed. Forming an inner groove 22, a lower finishing part 24, and an upper finishing part 26 on the circumferential surface (S10);
(B) fitting the flange 20 to the end of the cast iron pipe 10, and seating the lower end portion 24 of the flange 20 on the flange seat 14a of the cast iron pipe 10 (S20);
(C) The method of coupling the cast iron pipe flange coupling structure comprising a step (S30) of injecting and solidifying the filler 30 in the filling space 40 between the cast iron pipe 10 and the flange 20.
제 4 항에 있어서,
상기 충진제(30)가 합성수지일 경우, 액상의 합성수지에 경화제를 첨가하여 합성수지를 경화시킴으로써, 주철관(10)에 플랜지(20)를 고정하는 것을 특징으로 하는 주철관 플랜지 결합구조의 결합방법.
The method of claim 4, wherein
When the filler 30 is a synthetic resin, by adding a curing agent to the liquid synthetic resin to cure the synthetic resin, the coupling method of the cast iron pipe flange coupling structure, characterized in that to fix the flange 20 to the cast iron pipe (10).
제 4 항에 있어서,
상기 충진제(30)가 비철금속인 경우, 비철금속을 용해하여, 액상의 비철금속을 충진공간(40)에 주입한 후, 응고시킴으로써, 주철관(10)에 플랜지(20)를 고정하는 것을 특징으로 하는 주철관 플랜지 결합구조의 결합방법.
The method of claim 4, wherein
When the filler 30 is a non-ferrous metal, the cast iron pipe flange, characterized in that by dissolving the non-ferrous metal, injecting the liquid non-ferrous metal into the filling space 40, and solidified, thereby fixing the flange 20 to the cast iron pipe 10 Joining method of joining structure.
제 4 항에 있어서,
상기 충진제(30)가 금속소재인 경우, 용해된 금속소재의 충진제(30)를 충진공간(40)에 주입함으로써, 주철관(10)에 플랜지(20)를 고정하는 것을 특징으로 하는 주철관 플랜지 결합구조의 결합방법.
The method of claim 4, wherein
When the filler 30 is a metal material, by injecting the filler 30 of the molten metal material into the filling space 40, the cast iron pipe flange coupling structure, characterized in that to fix the flange 20 to the cast iron pipe (10) How to combine.
제 6 항 또는 제 7 항에 있어서,
상기 충진공간(40)에 비철금속 또는 금속소재를 충진하기 전에, 용접분말을 도포하는 것을 특징으로 하는 주철관 플랜지 결합구조의 결합방법.
The method according to claim 6 or 7,
Before filling the non-ferrous metal or metal material in the filling space 40, the joining method of the cast iron pipe flange coupling structure, characterized in that for applying a welding powder.
KR1020100101458A 2010-10-18 2010-10-18 Structure for fixing flange to cast-iron pipe and method of fixing flange to cast-iron pipe KR101008710B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101192693B1 (en) * 2012-02-24 2012-10-19 현대주철산업 주식회사 Structure for fixing socket to water pipe

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08267602A (en) * 1995-03-31 1996-10-15 Tonen Chem Corp Synthetic resin-made corrugated pipe with flange coupling and production thereof
KR20010080839A (en) * 2000-01-17 2001-08-25 안우정 flange conneted structure of double PE coating corrugated steel pipe
KR100681489B1 (en) * 2006-02-01 2007-02-09 이종목 Flange

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08267602A (en) * 1995-03-31 1996-10-15 Tonen Chem Corp Synthetic resin-made corrugated pipe with flange coupling and production thereof
KR20010080839A (en) * 2000-01-17 2001-08-25 안우정 flange conneted structure of double PE coating corrugated steel pipe
KR100681489B1 (en) * 2006-02-01 2007-02-09 이종목 Flange

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101192693B1 (en) * 2012-02-24 2012-10-19 현대주철산업 주식회사 Structure for fixing socket to water pipe

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