WO2018186651A1 - Joint for connecting pipes - Google Patents

Joint for connecting pipes Download PDF

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Publication number
WO2018186651A1
WO2018186651A1 PCT/KR2018/003906 KR2018003906W WO2018186651A1 WO 2018186651 A1 WO2018186651 A1 WO 2018186651A1 KR 2018003906 W KR2018003906 W KR 2018003906W WO 2018186651 A1 WO2018186651 A1 WO 2018186651A1
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WO
WIPO (PCT)
Prior art keywords
coupling
joint
couplings
present
tube
Prior art date
Application number
PCT/KR2018/003906
Other languages
French (fr)
Korean (ko)
Inventor
김국진
Original Assignee
주식회사 하이스텐
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 하이스텐 filed Critical 주식회사 하이스텐
Priority to CN201880020547.4A priority Critical patent/CN110462271B/en
Publication of WO2018186651A1 publication Critical patent/WO2018186651A1/en

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Classifications

    • 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
    • F16L21/00—Joints with sleeve or socket
    • F16L21/06—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends
    • F16L21/065—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends tightened by tangentially-arranged threaded pins
    • 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
    • F16L17/00—Joints with packing adapted to sealing by fluid pressure
    • F16L17/02—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket
    • F16L17/025—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket the sealing rings having radially directed ribs
    • 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
    • F16L17/00—Joints with packing adapted to sealing by fluid pressure
    • F16L17/06—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between the end surfaces of the pipes or flanges or arranged in recesses in the pipe ends or 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
    • F16L21/00—Joints with sleeve or socket
    • F16L21/06—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends

Definitions

  • the present invention provides a hollow body, a tube inserted into both ends of the body and the outer circumference of the body to surround the coupling coupled to the body, and is mounted to require watertight between the coupling and the tube It relates to a pipe connection joint for connecting adjacent pipes made of a packing member.
  • Joints are mechanisms for connecting both ends of a tube in close proximity to one another.
  • the prior art of such a pipe connection joint is a cylindrical body having both ends open at one end having a connection portion connected to a socket in Patent Publication No. 1996-0007436; A socket in which one end is connected to the connection portion of the main body, a pipe is inserted into the other end, and a tapered portion is provided in which the diameter is reduced in the outward direction on the inner circumferential surface around the end into which the pipe is inserted; An insert provided inside the main body so as to be able to move back and forth within a certain range; And a tube connector, characterized in that consisting of a collet which is fitted to allow the sliding movement between the inner peripheral surface and the insert of the socket.
  • a stepped groove and a fixing groove are formed on the inner surface of the pipe-shaped body to insert an O-ring, and the inclined surface extending outward at the end. Insert the C-type stop ring having the same inclined surface to form a, and when the nut is fastened by screwing the nut drilled with the male screw around the body to maintain a gap between the body and the body from the outside of the C-type stop ring Tube connector is characterized in that the C-type stop ring is configured to be forced to be fixed to the outside of the pipe while sliding.
  • the present invention has been made to solve the above-mentioned problems, to provide a joint for pipe connection that can prevent the leakage of fluid with excellent adhesion.
  • the present invention hollow body-shaped body, the tube is inserted into both ends of the body and the outer circumference of the body is wrapped around the coupling coupled to the body, the packing is mounted to require watertight between the coupling and the tube
  • the coupling is a semicircular upper coupling and the lower coupling is coupled in a circular shape, but the bolt holes are formed at both ends of the upper and lower couplings, respectively
  • the upper coupling and the lower coupling are coupled to each other by inserting the bolt into the bolt hole formed in the flange, the first coupling groove in which the packing member is seated on the inner circumference of the upper and lower coupling And a second seating groove in which the protrusion ring protruding along the outer circumference of the body is formed.
  • the present invention is easy to be watertight by a packing member having a space formed therein, and a seating portion having a protrusion ring and a protrusion ring coupled to the outer periphery of the body and the inner periphery of the coupling, respectively, is firmly formed. There is a remarkable effect such that the fastening can be achieved.
  • 1 is an exploded view of the joint for pipe connection of the present invention.
  • Figure 2 is a coupling diagram of the joint for pipe connection of the present invention.
  • Figure 3 is a cross-sectional view of the joint for pipe connection of the present invention.
  • Figure 4 is a perspective view of the body of the present invention pipe connection joint.
  • FIG. 5 is a perspective view showing a coupling of the joint for pipe connection of the present invention.
  • Figure 6 is a perspective view of the packing member of the present invention pipe connection joint.
  • Figure 7 is a perspective view cut vertically the packing member mounted on the joint for pipe connection of the present invention.
  • Figure 8 is a detailed perspective view of a portion of the packing member mounted on the joint for pipe connection of the present invention.
  • FIG. 9 is a vertical cross-sectional view of the packing member mounted on the joint for pipe connection of the present invention.
  • Body 110 Body 111. First body 112. Second body
  • the tube is inserted into both ends of the body 200 and the outer ring of the body 200 is wrapped around the coupling 300 for coupling the tube to the body 200,
  • the coupling 300 is a semi-circular upper coupling 310
  • the lower coupling 320 are coupled in a circular shape, but flanges 330 having bolt holes 340 are formed at both ends of the upper and lower couplings 310 and 320, respectively.
  • the upper coupling 310 and the lower coupling 320 are coupled to each other by inserting the bolt 400 into the bolt hole 340 formed in the 330.
  • protrusions formed along the outer periphery of the first seating groove 350 and the body 200 on which the packing member 100 is seated A second seating groove 360 is formed in which the ring 210 is seated.
  • the protruding ring 210 is characterized by protruding to the outside along the outer periphery on both ends of the body 200.
  • Third seating groove 370 into which a ring-shaped protrusion is formed at the outer periphery of the tube at an outer end of the upper and lower couplings 310 and 320 based on the first seating groove 350 formed at the inner circumference of the upper and lower couplings 310 and 320. This is characterized by being formed.
  • FIG. 1 is an exploded view of the joint for pipe connection of the present invention
  • Figure 2 is a coupling view of the joint for pipe connection of the present invention
  • Figure 3 is a cross-sectional view of the joint for pipe connection of the present invention.
  • the pipe connection joint of the present invention wraps the outer body of the hollow body-shaped body 200, the tube and the body 200 is inserted into both ends of the body 200, the body It consists of a coupling member 300 for coupling the pipe to the 200, and the packing member 100 is mounted to require watertight between the coupling 300 and the pipe.
  • Figure 4 is a perspective view of the body of the present invention pipe connection joint.
  • both ends of the body 200 are provided with protrusion rings 210 protruding to the outside along the outer circumference of the body 200.
  • Figure 5 is a perspective view showing a coupling of the present invention pipe connection joint.
  • a semicircular upper coupling 310 and a lower coupling 320 are coupled in a circular shape, and the upper and lower couplings 310, Flange 330 is formed on both ends of the 320, the bolt hole 340 is formed, the upper coupling 310 and the lower by inserting the bolt 400 in the bolt hole 340 formed in the flange 330 Coupling 320 is to be coupled to each other.
  • the groove 360 is formed.
  • a ring-shaped protrusion (not shown) is inserted into the outer end of the tube.
  • the third seating groove 370 is formed.
  • the second seating groove 360 is coupled to the projection ring 210 formed on the outer periphery of the body 200, the third seating groove 370 of the ring shape formed along the outer periphery of the outer periphery of the pipe It is to be combined with the protrusion.
  • the ring-shaped protrusion is not formed on the outer periphery of the tube, it is formed arbitrarily to achieve a more solid binding relationship.
  • FIG. 6 is a perspective view showing a packing member of the present invention pipe connection joint
  • Figure 7 is a perspective view of a vertically cut packing member mounted on the pipe connection joint of the present invention
  • Figure 8 is a packing mounted on the pipe connection joint of the present invention. Partial detailed perspective view of the member
  • FIG. 9 is a vertical sectional view of a packing member mounted on the joint for pipe connection of the present invention.
  • the packing member 100 includes a hollow body-shaped body 110 and a wing 120 bent toward an inner circumference of the body 110. Between the 120 and the inner surface of the body 110 is a fluid receiving portion 140 which is a space for receiving the fluid is formed.
  • the end of the wing 120 is formed with a stopper 123 protruding toward the center of the packing member 100, the tube is inserted into both ends of the packing member 100 is the end of the packing member 100 The watertightness and the degree of insertion are kept constant by being inserted to contact the prevention jaw 123 of
  • the first passage hole 121 is formed in the bent portion formed between the wing portion 120 and the prevention jaw 123 to communicate with the fluid receiving portion 140.
  • first passage hole 121 of the wing portion 120 is formed in a semi-circular shape, protruding jaw 130 protruding into the inner surface of the body 110 to which the wing portion 121 is in contact
  • the protruding jaw 130 has a semicircular second channel hole 131 corresponding to the first channel hole 121 of the wing 120.
  • the first passage hole 121 and the second passage hole 131 are formed in a circular shape. do.
  • the packing member 100 for preventing the leakage of the tube by receiving the tube as an inner hollow hole so that the fluid flowing inside the tube is not leaked to the outside.
  • the packing member 100 of the present invention is formed on both ends of the hollow body-shaped body 110 is formed wing portion 120 bent toward the inner circumference of the body 110, the wing portion 120 and the body ( Between the inner surface of the 110 is a fluid receiving portion 140 which is a space for receiving the fluid is formed.
  • the wing 120 is one end is formed integrally with the end of the body 110, the other end is curved toward the inner circumference of the body 110, the wing 120 and the body 110
  • a space portion is formed between inner surfaces of the space portion so that the fluid leaked from the tube can be accommodated, and the space portion is referred to as a fluid accommodating portion 140.
  • the end portion of the wing portion 120 is in contact with the inner surface of the body by a tube inserted into the body 110, the end portion of the wing portion 120 so that the fluid flows into the fluid receiving portion 140
  • the first passage hole 121 communicates with the fluid receiving portion 140 is formed in the portion.
  • the first passage hole 121 of the wing portion 120 is formed in a semi-circular shape, protruding jaw 130 protruding into the inner surface of the body 110, the wing portion 121 is in contact with Is formed, but the semi-circular second channel hole 131 corresponding to the first channel hole 121 of the wing 120 is formed in the protruding jaw (130).
  • the first passage hole 121 and the second passage hole 131 are formed in a circular shape.
  • the plurality of first flow paths 121 and the second flow paths 131 are formed to be spaced apart from each other along the circumferential direction of the wing 120 and the protruding jaw 130 by the fluid receiving part 140. The flow of fluid was facilitated.
  • a plurality of stepped portions 122 are formed on the outer surface of the wing portion 120 is in contact with the tube, the stepped portion 122 is formed to be inclined toward the inner peripheral center of the packing member 100 when the tube is inserted , To prevent the wing portion 120 from being folded toward the outside direction.
  • Packing member 100 of the present invention is preferably made of synthetic rubber or synthetic resin.
  • the body 110 is formed such that the first body 111 having a thick thickness and the second body 112 that is relatively thinner than the first body 111 are continuously formed, and the outer surface of the body 110 is formed. In the circumferential direction to form a plurality of corrugations 113 to withstand the fluid pressure generated when the fluid leaks from the tube.
  • the present invention is easy to be watertight by a packing member having a space formed therein, and a seating portion having a protrusion ring and a protrusion ring coupled to the outer periphery of the body and the inner periphery of the coupling, respectively, is firmly formed. There is a remarkable effect such that the fastening can be achieved.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Joints With Sleeves (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

The present invention relates to a joint for connecting adjacent pipes, the joint comprising: a body having a hollow shape; couplings which surround the outer circumferences of pipes inserted into either end of the body and the outer circumference of the body, and couple the pipes to the body; and packing members mounted to ensure watertightness between the coupling and the pipes. More particularly, the present invention relates to a joint for connecting pipes, the joint being characterized in that: each of the couplings has a semi-circular upper coupling and a semi-circular lower coupling which are coupled in a circular shape; flanges having bolt holes are formed on either end of each of the upper and lower couplings; the upper coupling and the lower coupling are coupled to each other by inserting bolts into the bolt holes formed in the flanges; and first seat grooves, on which the packing members are seated, and second seat grooves, on which protruding rings that protrude along the outer circumferential edges of the body are seated, are formed in the inner circumferential edges of the upper and lower couplings. As described above, the present invention has the significant effects of facilitating watertightness by means of the packing members each having a space portion formed therein, and of achieving tight clamping due to having the protruding rings and the seat portions coupled to the protruding rings, respectively, in the outer circumferential edges of the body and the inner circumferential edges of the couplings.

Description

관 연결용 조인트Joint for pipe connection
본 발명은 중공체 형상의 바디와, 상기 바디의 양단으로 삽입되는 관과 바디의 외부둘레를 감싸게 되어 바디에 관을 결합시키는 커플링과, 상기 커플링과 관 사이에 수밀을 요하기 위하여 장착되는 패킹부재로 이루어져 근접하는 관을 서로 연결하는 관 연결용 조인트에 관한 것이다.The present invention provides a hollow body, a tube inserted into both ends of the body and the outer circumference of the body to surround the coupling coupled to the body, and is mounted to require watertight between the coupling and the tube It relates to a pipe connection joint for connecting adjacent pipes made of a packing member.
조인트는 서로 근접하는 관의 양단을 연결하는 기구이다.Joints are mechanisms for connecting both ends of a tube in close proximity to one another.
이러한 관 연결용 조인트의 종래기술로는 특허공고번호 제1996-0007436호에 한 쪽 단부에 소켓과 접속되는 접속부를 가지는 양단이 개방된 원통형상의 본체 ; 상기 본체의 접속부에 한 쪽 단부가 접속되며, 다른 단부에 배관이 삽입되고, 상기 배관이 삽입되는 단부 주위의 내주면에 바깥방향으로 직경이 감소하는 테이퍼부가 설치된 소켓; 일정한 범위에서는 진퇴가능하도록 본체 내부에 설치되는 인써트 ; 및 상기 소켓의 내주면과 인써트 사이에 미끄럼운동을 할 수 있도록 끼워지는 콜릿으로 이루어진 것을 특징으로 하는 관 연결구가 공개되어 있다.The prior art of such a pipe connection joint is a cylindrical body having both ends open at one end having a connection portion connected to a socket in Patent Publication No. 1996-0007436; A socket in which one end is connected to the connection portion of the main body, a pipe is inserted into the other end, and a tapered portion is provided in which the diameter is reduced in the outward direction on the inner circumferential surface around the end into which the pipe is inserted; An insert provided inside the main body so as to be able to move back and forth within a certain range; And a tube connector, characterized in that consisting of a collet which is fitted to allow the sliding movement between the inner peripheral surface and the insert of the socket.
또 다른 종래기술로는 실용신안공고번호 제1993-0004986호에 관 연결구를 형성함에 있어서, 파이프형상의 몸체 내면에 단턱과 고정홈을 형성하여 O-링을 삽입하고, 단부에는 외부로 확장되는 경사면을 형성하여 이와 동일한 경사면을 갖는 C형 멈춤링을 삽입하며, 상기 C형 멈춤링의 외측에서 몸체와의 사이에 간격이 유지되게 구멍이 뚫린 너트를 몸체 주연의 수나사와 나사결합하여 상기 너트 체결시 C형 멈춤링이 슬라이딩하면서 관 외부에 강제 압입되어 고정되도록 구성함을 특징으로 하는 관 연결구가 공개되어 있다.In another prior art, in forming the pipe connector in Utility Model Publication No. 1993-0004986, a stepped groove and a fixing groove are formed on the inner surface of the pipe-shaped body to insert an O-ring, and the inclined surface extending outward at the end. Insert the C-type stop ring having the same inclined surface to form a, and when the nut is fastened by screwing the nut drilled with the male screw around the body to maintain a gap between the body and the body from the outside of the C-type stop ring Tube connector is characterized in that the C-type stop ring is configured to be forced to be fixed to the outside of the pipe while sliding.
그러나 상기 열거한 종래기술은 근접하는 한 쌍의 관을 연결하더라도 내부로 유동하는 유체가 외부로 유출되는 사고가 종종 발생하였다.However, in the above-mentioned prior art, even when a pair of adjacent pipes are connected, an accident in which the fluid flowing inward flows out often occurs.
본 발명은 상술한 문제점을 해결하기 위하여 안출된 것으로, 밀착력이 우수하여 유체의 유출이 방지할 수 있는 관 연결용 조인트를 제공하고자 한다.The present invention has been made to solve the above-mentioned problems, to provide a joint for pipe connection that can prevent the leakage of fluid with excellent adhesion.
본 발명 중공체 형상의 바디와, 상기 바디의 양단으로 삽입되는 관과 바디의 외부둘레를 감싸게 되어 바디에 관을 결합시키는 커플링과, 상기 커플링과 관 사이에 수밀을 요하기 위하여 장착되는 패킹부재로 이루어져 근접하는 관을 서로 연결하는 조인트에 있어서, 상기 커플링은 반원 형상의 상부 커플링과 하부 커플링이 원형의 형상으로 결합되어 있되, 상기 상·하부 커플링의 양단에는 각각 볼트공이 형성되어 있는 플랜지가 형성되어 상기 플랜지에 형성된 볼트공에 볼트를 삽입함으로써 상부 커플링과 하부 커플링은 서로 결합되는 것으로, 상기 상·하부 커플링의 내주연에는 상기 패킹부재가 안착되는 제1안착홈과 바디의 외주연을 따라 돌출형성된 돌기링이 안착되는 제2안착홈이 형성되어 있는 것이 특징이다.The present invention hollow body-shaped body, the tube is inserted into both ends of the body and the outer circumference of the body is wrapped around the coupling coupled to the body, the packing is mounted to require watertight between the coupling and the tube In the joint consisting of a member connecting the adjacent pipes to each other, the coupling is a semicircular upper coupling and the lower coupling is coupled in a circular shape, but the bolt holes are formed at both ends of the upper and lower couplings, respectively The upper coupling and the lower coupling are coupled to each other by inserting the bolt into the bolt hole formed in the flange, the first coupling groove in which the packing member is seated on the inner circumference of the upper and lower coupling And a second seating groove in which the protrusion ring protruding along the outer circumference of the body is formed.
상술한 바와 같이 본 발명은 내부에 공간부가 형성되어 있는 패킹부재에 의해 수밀이 용이하고, 또한 바디의 외주연과 커플링의 내주연에 각각 돌기링과 돌기링이 결합되는 안착부가 형성되어 있어 견고한 체결을 이룰 수 있다는 등의 현저한 효과가 있다.As described above, the present invention is easy to be watertight by a packing member having a space formed therein, and a seating portion having a protrusion ring and a protrusion ring coupled to the outer periphery of the body and the inner periphery of the coupling, respectively, is firmly formed. There is a remarkable effect such that the fastening can be achieved.
도 1은 본 발명 관 연결용 조인트의 분해도.1 is an exploded view of the joint for pipe connection of the present invention.
도 2는 본 발명 관 연결용 조인트의 결합도.Figure 2 is a coupling diagram of the joint for pipe connection of the present invention.
도 3은 본 발명 관 연결용 조인트의 단면도.Figure 3 is a cross-sectional view of the joint for pipe connection of the present invention.
도 4는 본 발명 관 연결용 조인트의 바디를 나타낸 사시도.Figure 4 is a perspective view of the body of the present invention pipe connection joint.
도 5는 본 발명 관 연결용 조인트의 커플링을 나타낸 사시도.5 is a perspective view showing a coupling of the joint for pipe connection of the present invention.
도 6은 본 발명 관 연결용 조인트의 패킹부재를 나타낸 사시도.Figure 6 is a perspective view of the packing member of the present invention pipe connection joint.
도 7은 본 발명 관 연결용 조인트에 장착되는 패킹부재를 수직으로 절단한 사시도.Figure 7 is a perspective view cut vertically the packing member mounted on the joint for pipe connection of the present invention.
도 8은 본 발명 관 연결용 조인트에 장착되는 패킹부재의 일부분 상세 사시도.Figure 8 is a detailed perspective view of a portion of the packing member mounted on the joint for pipe connection of the present invention.
도 9는 본 발명 관 연결용 조인트에 장착되는 패킹부재의 수직단면도.9 is a vertical cross-sectional view of the packing member mounted on the joint for pipe connection of the present invention.
<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>
100. 패킹부재100. Packing member
110. 몸체 111. 제1몸체 112. 제2몸체110. Body 111. First body 112. Second body
113. 주름부113. Creases
120. 날개부 121. 제1유로홀 122. 단턱120. Wings 121. First Eurohole 122. Step
123. 방지턱123. Bump
130. 돌출턱 131. 제2유로홀130. Protruding jaw 131. Second euro hole
140. 유체수용부140. Fluid receiving part
200. 바디 210. 돌기링200.Body 210.Protrusion Ring
300. 커플링 300. Coupling
310. 상부 커플링 320. 하부 커플링 330. 플랜지310. Upper coupling 320. Lower coupling 330. Flange
340. 볼트공 350. 제1안착홈 360. 제2안착홈340. Bolt hole 350. First seating groove 360. Second seating groove
370. 제3안착홈370. Third settling groove
400. 볼트400. Bolts
본 발명 중공체 형상의 바디(200)와, 상기 바디(200)의 양단으로 삽입되는 관과 바디(200)의 외부둘레를 감싸게 되어 바디(200)에 관을 결합시키는 커플링(300)과, 상기 커플링(300)과 관 사이에 수밀을 요하기 위하여 장착되는 패킹부재(100)로 이루어져 근접하는 관을 서로 연결하는 조인트에 있어서, 상기 커플링(300)은 반원 형상의 상부 커플링(310)과 하부 커플링(320)이 원형의 형상으로 결합되어 있되, 상기 상·하부 커플링(310, 320)의 양단에는 각각 볼트공(340)이 형성되어 있는 플랜지(330)가 형성되어 상기 플랜지(330)에 형성된 볼트공(340)에 볼트(400)를 삽입함으로써 상부 커플링(310)과 하부 커플링(320)은 서로 결합되는 것으로, 상기 상·하부 커플링(310, 320)의 내주연에는 상기 패킹부재(100)가 안착되는 제1안착홈(350)과 바디(200)의 외주연을 따라 돌출형성된 돌기링(210)이 안착되는 제2안착홈(360)이 형성되어 있는 것이 특징이다. Hollow body 200 of the present invention, the tube is inserted into both ends of the body 200 and the outer ring of the body 200 is wrapped around the coupling 300 for coupling the tube to the body 200, In the joint consisting of a packing member 100 mounted to require watertight between the coupling 300 and the pipe to connect adjacent pipes to each other, the coupling 300 is a semi-circular upper coupling 310 ) And the lower coupling 320 are coupled in a circular shape, but flanges 330 having bolt holes 340 are formed at both ends of the upper and lower couplings 310 and 320, respectively. The upper coupling 310 and the lower coupling 320 are coupled to each other by inserting the bolt 400 into the bolt hole 340 formed in the 330. On the periphery, protrusions formed along the outer periphery of the first seating groove 350 and the body 200 on which the packing member 100 is seated A second seating groove 360 is formed in which the ring 210 is seated.
상기 돌기링(210)은 바디(200)의 양단에 외부측 둘레를 따라 외부로 돌출형성되는 것이 특징이다.The protruding ring 210 is characterized by protruding to the outside along the outer periphery on both ends of the body 200.
상기 상·하부 커플링(310, 320)의 내주연에 형성된 제1안착홈(350)을 기준으로 외부측 단부에는 관의 외주연에 형성된 링 형상의 돌출부가 삽입되는 제3안착홈(370)이 형성되어 있는 것이 특징이다.Third seating groove 370 into which a ring-shaped protrusion is formed at the outer periphery of the tube at an outer end of the upper and lower couplings 310 and 320 based on the first seating groove 350 formed at the inner circumference of the upper and lower couplings 310 and 320. This is characterized by being formed.
이하, 본 발명 관 연결용 조인트를 첨부한 도면에 의해 상세히 설명하면 다음과 같다.Hereinafter, described in detail by the accompanying drawings of the present invention pipe connection joints are as follows.
도 1은 본 발명 관 연결용 조인트의 분해도, 도 2는 본 발명 관 연결용 조인트의 결합도, 도 3은 본 발명 관 연결용 조인트의 단면도이다.1 is an exploded view of the joint for pipe connection of the present invention, Figure 2 is a coupling view of the joint for pipe connection of the present invention, Figure 3 is a cross-sectional view of the joint for pipe connection of the present invention.
도 1 내지 도 3에 도시된 바와 같이 본 발명 관 연결용 조인트는 중공체 형상의 바디(200)와, 상기 바디(200)의 양단으로 삽입되는 관과 바디(200)의 외부둘레를 감싸게 되어 바디(200)에 관을 결합시키는 커플링(300)과, 상기 커플링(300)과 관 사이에 수밀을 요하기 위하여 장착되는 패킹부재(100)로 이루어져 있는 것이다.As shown in Figures 1 to 3, the pipe connection joint of the present invention wraps the outer body of the hollow body-shaped body 200, the tube and the body 200 is inserted into both ends of the body 200, the body It consists of a coupling member 300 for coupling the pipe to the 200, and the packing member 100 is mounted to require watertight between the coupling 300 and the pipe.
도 4는 본 발명 관 연결용 조인트의 바디를 나타낸 사시도이다.Figure 4 is a perspective view of the body of the present invention pipe connection joint.
도 4에 도시된 바와 같이 바디(200)의 양단에는 바디(200)의 외부측 둘레를 따라 외부로 돌출된 돌기링(210)이 형성되어 있다.As shown in FIG. 4, both ends of the body 200 are provided with protrusion rings 210 protruding to the outside along the outer circumference of the body 200.
도 5는 본 발명 관 연결용 조인트의 커플링을 나타낸 사시도이다.Figure 5 is a perspective view showing a coupling of the present invention pipe connection joint.
도 5에 도시된 바와 같이 본 발명의 커플링(300)은 반원 형상의 상부 커플링(310)과 하부 커플링(320)이 원형의 형상으로 결합되어 있되, 상기 상·하부 커플링(310, 320)의 양단에는 각각 볼트공(340)이 형성되어 있는 플랜지(330)가 형성되어 상기 플랜지(330)에 형성된 볼트공(340)에 볼트(400)를 삽입함으로써 상부 커플링(310)과 하부 커플링(320)은 서로 결합되는 것이다.As shown in FIG. 5, in the coupling 300 of the present invention, a semicircular upper coupling 310 and a lower coupling 320 are coupled in a circular shape, and the upper and lower couplings 310, Flange 330 is formed on both ends of the 320, the bolt hole 340 is formed, the upper coupling 310 and the lower by inserting the bolt 400 in the bolt hole 340 formed in the flange 330 Coupling 320 is to be coupled to each other.
이때, 상기 상·하부 커플링(310, 320)의 내주연에는 상기 패킹부재(100)가 안착되는 제1안착홈(350)과 바디(200)의 돌기링(210)이 안착되는 제2안착홈(360)이 형성되어 있다.At this time, the inner periphery of the upper and lower couplings 310 and 320, the first seating groove 350 in which the packing member 100 is seated and the second seating seating protrusion 210 of the body 200 is seated. The groove 360 is formed.
한편, 상기 상·하부 커플링(310, 320)의 내주연에 형성된 제1안착홈(350)을 기준으로 외부측 단부에는 관의 외주연에 형성된 링 형상의 돌출부(도면 미도시)가 삽입되는 제3안착홈(370)이 형성되어 있다.On the other hand, based on the first seating groove 350 formed on the inner circumference of the upper and lower couplings 310 and 320, a ring-shaped protrusion (not shown) is inserted into the outer end of the tube. The third seating groove 370 is formed.
즉, 상기 제2안착홈(360)은 바디(200)의 외주연에 형성된 돌기링(210)에 결합되고, 제3안착홈(370)은 관의 외주연에 외주연을 따라 형성된 링 형상의 돌출부와 결합되도록 하는 것이다.That is, the second seating groove 360 is coupled to the projection ring 210 formed on the outer periphery of the body 200, the third seating groove 370 of the ring shape formed along the outer periphery of the outer periphery of the pipe It is to be combined with the protrusion.
이때, 관의 외주연에 링 형상의 돌출부가 형성되어 있지 않으면, 임의로 형성시킴으로써 더욱 견고한 결속관계를 이룰 수 있도록 하였다.At this time, if the ring-shaped protrusion is not formed on the outer periphery of the tube, it is formed arbitrarily to achieve a more solid binding relationship.
도 6은 본 발명 관 연결용 조인트의 패킹부재를 나타낸 사시도, 도 7은 본 발명 관 연결용 조인트에 장착되는 패킹부재를 수직으로 절단한 사시도 ,도 8은 본 발명 관 연결용 조인트에 장착되는 패킹부재의 일부분 상세 사시도, 도 9는 본 발명 관 연결용 조인트에 장착되는 패킹부재의 수직단면도이다.Figure 6 is a perspective view showing a packing member of the present invention pipe connection joint, Figure 7 is a perspective view of a vertically cut packing member mounted on the pipe connection joint of the present invention, Figure 8 is a packing mounted on the pipe connection joint of the present invention. Partial detailed perspective view of the member, FIG. 9 is a vertical sectional view of a packing member mounted on the joint for pipe connection of the present invention.
도 6 내지 도 9에 도시된 바와 같이 상기 패킹부재(100)는 중공체 형상의 몸체(110)와, 상기 몸체(110)의 내주연을 향하여 절곡된 날개부(120)로 이루어져 상기 날개부(120)와 몸체(110)의 내측면 사이에는 유체를 수용하는 공간인 유체수용부(140)가 형성되어 있는 것이다.6 to 9, the packing member 100 includes a hollow body-shaped body 110 and a wing 120 bent toward an inner circumference of the body 110. Between the 120 and the inner surface of the body 110 is a fluid receiving portion 140 which is a space for receiving the fluid is formed.
그리고, 날개부(120)의 끝단부에는 패킹부재(100)의 중심부를 향하여 돌출되는 방지턱(123)이 형성되어 있어, 패킹부재(100)의 양단으로 삽입되는 관은 끝단부가 상기 패킹부재(100)의 방지턱(123)에 접촉되도록 삽입됨으로써 수밀 및 삽입되는 정도가 일정하게 유지된다.And, the end of the wing 120 is formed with a stopper 123 protruding toward the center of the packing member 100, the tube is inserted into both ends of the packing member 100 is the end of the packing member 100 The watertightness and the degree of insertion are kept constant by being inserted to contact the prevention jaw 123 of
특히, 상기 패킹부재(100)의 몸체(110)의 내부로 삽입되는 관에 의해 날개부(120)가 몸체(110)의 내측면에 접촉되더라도 유체수용부(140)로 유체가 유입될 수 있도록 날개부(120)와 방지턱(123) 간에 형성된 절곡부분에는 유체수용부(140)로 연통되는 제1유로홀(121)이 형성되어 있다.In particular, even if the wing 120 is in contact with the inner surface of the body 110 by a tube inserted into the body 110 of the packing member 100 so that the fluid can flow into the fluid receiving portion 140. The first passage hole 121 is formed in the bent portion formed between the wing portion 120 and the prevention jaw 123 to communicate with the fluid receiving portion 140.
또한, 상기 날개부(120)의 제1유로홀(121)은 반원형상으로 형성되는 것으로, 상기 날개부(121)가 접촉되는 몸체(110)의 내측면에는 내부로 돌출된 돌출턱(130)이 형성되어 있고, 상기 돌출턱(130)에는 상기 날개부(120)의 제1유로홀(121)에 대응하는 반원형상의 제2유로홀(131)이 형성되어 있다.In addition, the first passage hole 121 of the wing portion 120 is formed in a semi-circular shape, protruding jaw 130 protruding into the inner surface of the body 110 to which the wing portion 121 is in contact The protruding jaw 130 has a semicircular second channel hole 131 corresponding to the first channel hole 121 of the wing 120.
따라서, 상기 날개부(120)의 끝단부가 몸체의 내부로 삽입되는 관에 의해 돌출턱(130)에 접촉하게 되면 제1유로홀(121)과 제2유로홀(131)은 원형형상으로 형성되게 된다.Therefore, when the end portion of the wing portion 120 comes into contact with the protruding jaw 130 by a tube inserted into the body, the first passage hole 121 and the second passage hole 131 are formed in a circular shape. do.
더욱 상세히 패킹부재(100)에 대해 설명하면, 관의 내부에 흐르는 유체가 외부로 누수되지 못하도록 관을 내부 중공홀로 수용하여 관의 누수를 방지하는 패킹부재(100)이다.In more detail with respect to the packing member 100, the packing member 100 for preventing the leakage of the tube by receiving the tube as an inner hollow hole so that the fluid flowing inside the tube is not leaked to the outside.
특히, 본 발명 패킹부재(100)는 중공체 형상의 몸체(110)의 양단에 몸체(110)의 내주연을 향하여 절곡된 날개부(120)가 형성되고, 상기 날개부(120)와 몸체(110)의 내측면 사이에는 유체를 수용하는 공간인 유체수용부(140)가 형성되는 것이다.In particular, the packing member 100 of the present invention is formed on both ends of the hollow body-shaped body 110 is formed wing portion 120 bent toward the inner circumference of the body 110, the wing portion 120 and the body ( Between the inner surface of the 110 is a fluid receiving portion 140 which is a space for receiving the fluid is formed.
즉, 상기 날개부(120)는 일단이 몸체(110)의 단부에 일체로 형성되고, 타단이 몸체(110)의 내주연을 향하여 만곡되어 있는 것으로, 상기 날개부(120)와 몸체(110)의 내측면 사이에는 공간부가 형성되어 상기 공간부에는 관으로부터 누수된 유체가 수용될 수 있도록 한 것으로, 상기 공간부를 유체수용부(140)라 칭한다.That is, the wing 120 is one end is formed integrally with the end of the body 110, the other end is curved toward the inner circumference of the body 110, the wing 120 and the body 110 A space portion is formed between inner surfaces of the space portion so that the fluid leaked from the tube can be accommodated, and the space portion is referred to as a fluid accommodating portion 140.
이때, 상기 몸체(110)의 내부로 삽입되는 관에 의해 날개부(120)의 끝단부가 몸체의 내측면에 접촉되더라도 유체수용부(140)로 유체가 유입될 수 있도록 날개부(120)의 끝단부에는 유체수용부(140)로 연통되는 제1유로홀(121)이 형성되어 있다.At this time, even if the end portion of the wing portion 120 is in contact with the inner surface of the body by a tube inserted into the body 110, the end portion of the wing portion 120 so that the fluid flows into the fluid receiving portion 140 The first passage hole 121 communicates with the fluid receiving portion 140 is formed in the portion.
한편, 상기 날개부(120)의 제1유로홀(121)은 반원형상으로 형성되는 것으로, 상기 날개부(121)가 접촉되는 몸체(110)의 내측면에는 내부로 돌출된 돌출턱(130)이 형성되어 있되, 상기 돌출턱(130)에는 상기 날개부(120)의 제1유로홀(121)에 대응하는 반원형상의 제2유로홀(131)이 형성되어 있다.On the other hand, the first passage hole 121 of the wing portion 120 is formed in a semi-circular shape, protruding jaw 130 protruding into the inner surface of the body 110, the wing portion 121 is in contact with Is formed, but the semi-circular second channel hole 131 corresponding to the first channel hole 121 of the wing 120 is formed in the protruding jaw (130).
따라서, 상기 날개부(120)의 끝단부가 몸체의 내부로 삽입되는 관에 의해 돌출턱(130)에 접촉하게 되면 제1유로홀(121)과 제2유로홀(131)은 원형형상으로 형성되는 것이다.Therefore, when the end portion of the wing portion 120 comes into contact with the protruding jaw 130 by a tube inserted into the body, the first passage hole 121 and the second passage hole 131 are formed in a circular shape. will be.
그리고 상기 제1유로홀(121)과 제2유로홀(131)은 복수 개가 날개부(120)와 돌출턱(130)의 원주방향을 따라 일정간격 이격되도록 형성되어 있어 유체수용부(140)로 유체의 유입이 용이하도록 하였다.The plurality of first flow paths 121 and the second flow paths 131 are formed to be spaced apart from each other along the circumferential direction of the wing 120 and the protruding jaw 130 by the fluid receiving part 140. The flow of fluid was facilitated.
또한, 상기 날개부(120)가 관이 접촉하는 외측면에는 복수 개의 단턱(122)이 형성하되, 상기 단턱(122)은 패킹부재(100)의 내주 중심부를 향하여 경사지게 형성함으로써 관이 삽입될 때, 날개부(120)가 외부방향을 향하여 절첩되는 것을 방지하였다.In addition, a plurality of stepped portions 122 are formed on the outer surface of the wing portion 120 is in contact with the tube, the stepped portion 122 is formed to be inclined toward the inner peripheral center of the packing member 100 when the tube is inserted , To prevent the wing portion 120 from being folded toward the outside direction.
본 발명의 패킹부재(100)는 합성고무 또는 합성수지로 제작되는 것이 바람직하다. Packing member 100 of the present invention is preferably made of synthetic rubber or synthetic resin.
결국, 패킹부재(100)에 의해 관의 내부에 흐르는 유체가 누수되어 제1유로홀(121)을 통해 유체수용부(140)로 유체가 유입되면, 유체수용부(140)의 내부에는 유체압력이 형성되어 날개부(120)가 관의 외측면에 더욱더 견고하게 밀착됨으로써 관은 수밀이 되는 것이다.As a result, when the fluid flowing inside the pipe is leaked by the packing member 100 and the fluid flows into the fluid receiving part 140 through the first passage hole 121, the fluid pressure inside the fluid receiving part 140. This is formed so that the wing 120 is more tightly adhered to the outer surface of the tube is to be watertight.
또한, 각각의 날개부(120)의 끝단부에 패킹부재(100)의 중심부로 향하여 돌출형성되어 있는 방지턱(123)은 각각 삽입되는 관에 의해 서로 밀착하게 되어 더욱더 관의 수밀을 유지할 수 있게 되는 것이다.In addition, the prevention jaw 123 protruding toward the central portion of the packing member 100 at the end of each wing 120 is in close contact with each other by the tube is inserted so that the water tightness of the tube can be further maintained. will be.
한편, 몸체(110)를 두께가 두꺼운 제1몸체(111)와 상기 제1몸체(111)보다 상대적으로 두께가 얇은 제2몸체(112)가 연속적으로 형성되도록 하고, 몸체(110)의 외측면에는 원주방향을 따라 복수의 주름부(113)를 형성함으로써 관으로부터 유체가 누수될 때 발생하는 유체압력에 견딜 수 있도록 하였다.Meanwhile, the body 110 is formed such that the first body 111 having a thick thickness and the second body 112 that is relatively thinner than the first body 111 are continuously formed, and the outer surface of the body 110 is formed. In the circumferential direction to form a plurality of corrugations 113 to withstand the fluid pressure generated when the fluid leaks from the tube.
상술한 바와 같이 본 발명은 내부에 공간부가 형성되어 있는 패킹부재에 의해 수밀이 용이하고, 또한 바디의 외주연과 커플링의 내주연에 각각 돌기링과 돌기링이 결합되는 안착부가 형성되어 있어 견고한 체결을 이룰 수 있다는 등의 현저한 효과가 있다.As described above, the present invention is easy to be watertight by a packing member having a space formed therein, and a seating portion having a protrusion ring and a protrusion ring coupled to the outer periphery of the body and the inner periphery of the coupling, respectively, is firmly formed. There is a remarkable effect such that the fastening can be achieved.

Claims (3)

  1. 중공체 형상의 바디(200)와, 상기 바디(200)의 양단으로 삽입되는 관과 바디(200)의 외부둘레를 감싸게 되어 바디(200)에 관을 결합시키는 커플링(300)과, 상기 커플링(300)과 관 사이에 수밀을 요하기 위하여 장착되는 패킹부재(100)로 이루어져 근접하는 관을 서로 연결하는 조인트에 있어서,Hollow body-shaped body 200, the tube is inserted into both ends of the body 200 and the outer ring of the body 200 is wrapped around the coupling 300 for coupling the tube to the body 200, and the couple In the joint connecting the adjacent pipes made of a packing member 100 mounted to require watertightness between the ring 300 and the pipe,
    상기 커플링(300)은 반원 형상의 상부 커플링(310)과 하부 커플링(320)이 원형의 형상으로 결합되어 있되, 상기 상·하부 커플링(310, 320)의 양단에는 각각 볼트공(340)이 형성되어 있는 플랜지(330)가 형성되어 상기 플랜지(330)에 형성된 볼트공(340)에 볼트(400)를 삽입함으로써 상부 커플링(310)과 하부 커플링(320)은 서로 결합되는 것으로,The coupling 300 is a semicircular upper coupling 310 and the lower coupling 320 is coupled in a circular shape, the upper and lower couplings 310, 320 at both ends of the bolt hole ( The upper coupling 310 and the lower coupling 320 are coupled to each other by inserting the bolt 400 into the bolt hole 340 formed in the flange 330, the flange 330 having the 340 formed therein. In that,
    상기 상·하부 커플링(310, 320)의 내주연에는 상기 패킹부재(100)가 안착되는 제1안착홈(350)과 바디(200)의 외주연을 따라 돌출형성된 돌기링(210)이 안착되는 제2안착홈(360)이 형성되어 있는 것이 특징인 관 연결용 조인트.On the inner circumference of the upper and lower couplings 310 and 320, the first seating groove 350 in which the packing member 100 is seated and the protrusion ring 210 protruding along the outer circumference of the body 200 are seated. Joint for pipe connection, characterized in that the second seating groove 360 is formed.
  2. 제1항에 있어서,The method of claim 1,
    상기 돌기링(210)은 바디(200)의 양단에 외부측 둘레를 따라 외부로 돌출형성되는 것이 특징인 관 연결용 조인트.The protrusion ring 210 is a joint for pipe connection, characterized in that protruding to the outside along the outer periphery on both ends of the body (200).
  3. 제2항에 있어서,The method of claim 2,
    상기 상·하부 커플링(310, 320)의 내주연에 형성된 제1안착홈(350)을 기준으로 외부측 단부에는 파이프의 외주연에 형성된 링 형상의 돌출부가 삽입되는 제3안착홈(370)이 형성되어 있는 것이 특징인 관 연결용 조인트.Third seating grooves 370 into which ring-shaped protrusions formed on the outer periphery of the pipe are inserted at the outer end of the pipe, based on the first seating grooves 350 formed on the inner circumferences of the upper and lower couplings 310 and 320. Joint for pipe connection characterized in that is formed.
PCT/KR2018/003906 2017-04-05 2018-04-03 Joint for connecting pipes WO2018186651A1 (en)

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KR102280044B1 (en) * 2019-11-19 2021-07-21 주식회사 하이스텐 pipe connecting method by clamp

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950019722U (en) * 1993-12-29 1995-07-24 Coupling for pipe joint
US6170884B1 (en) * 1996-06-18 2001-01-09 Victaulic Company Of America Pipe coupling for plain ended pipe and for plain ended pipe attached to grooved pipe
KR20070012723A (en) * 2004-05-14 2007-01-26 빅톨릭 컴패니 Deformable mechanical pipe coupling
KR100749402B1 (en) * 2006-04-12 2007-08-17 최인성 Joint
KR20130051730A (en) * 2011-11-10 2013-05-21 오봉희 Casing for pipe coupling, it's manufacturing method and pipe coupling
KR101449428B1 (en) * 2014-02-26 2014-10-13 엄광복 Coupling of pipe

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0680090U (en) * 1993-04-23 1994-11-08 株式会社西原衛生工業所 Pipe material connection structure
JP2002048242A (en) * 2000-08-04 2002-02-15 Riken Corp Gasket for housing type pipe-fitting
KR101330452B1 (en) * 2013-01-15 2013-11-15 주식회사 하이스텐 Flange for coupling plumbing
CN103470886B (en) * 2013-09-02 2016-01-20 成都共同管业有限公司 The pipeline clamp connected system of single groove double card structure
CN205716120U (en) * 2016-04-07 2016-11-23 大连凯斯博格设备制造有限公司 A kind of assembling pipe joint with Simple sealing circle

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950019722U (en) * 1993-12-29 1995-07-24 Coupling for pipe joint
US6170884B1 (en) * 1996-06-18 2001-01-09 Victaulic Company Of America Pipe coupling for plain ended pipe and for plain ended pipe attached to grooved pipe
KR20070012723A (en) * 2004-05-14 2007-01-26 빅톨릭 컴패니 Deformable mechanical pipe coupling
KR100749402B1 (en) * 2006-04-12 2007-08-17 최인성 Joint
KR20130051730A (en) * 2011-11-10 2013-05-21 오봉희 Casing for pipe coupling, it's manufacturing method and pipe coupling
KR101449428B1 (en) * 2014-02-26 2014-10-13 엄광복 Coupling of pipe

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