WO2019221439A1 - Ensemble de raccordement de tuyau - Google Patents

Ensemble de raccordement de tuyau Download PDF

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Publication number
WO2019221439A1
WO2019221439A1 PCT/KR2019/005508 KR2019005508W WO2019221439A1 WO 2019221439 A1 WO2019221439 A1 WO 2019221439A1 KR 2019005508 W KR2019005508 W KR 2019005508W WO 2019221439 A1 WO2019221439 A1 WO 2019221439A1
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WO
WIPO (PCT)
Prior art keywords
pipe
pipe connection
ring
clamp
assembly
Prior art date
Application number
PCT/KR2019/005508
Other languages
English (en)
Korean (ko)
Inventor
최백규
하재식
Original Assignee
두리화학 주식회사
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 두리화학 주식회사 filed Critical 두리화학 주식회사
Publication of WO2019221439A1 publication Critical patent/WO2019221439A1/fr

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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
    • F16L21/002—Sleeves or nipples for pipes of the same diameter; Reduction pieces
    • 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
    • F16L21/007—Joints with sleeve or socket clamped by a wedging action
    • 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
    • F16L21/00—Joints with sleeve or socket
    • F16L21/08—Joints with sleeve or socket with additional locking means

Definitions

  • the present invention relates to a pipe connection assembly for connecting the connection pipe in the pipe construction, such as drain pipe.
  • the pipe connection assembly is mainly used as a means for connecting the connecting pipe and the connecting pipe on the flow passage through which the fluid flows to maintain watertightness and prevent separation.
  • the tube connection assembly may include various shapes such as straight, elbow, T-shaped, cross-shaped, etc., depending on the structural shape.
  • Such pipe connection assemblies need to be able to secure the watertightness and bondability between the connectors, as well as not to be easily broken or broken by vibration and shock.
  • Patent No. 10-1523307 name of the invention: pipe connection assembly
  • Patent No. 10-1678379 name of the invention: pipe connection assembly device
  • one-bolt clamps allow the use of electric and cordless wrenches commonly used in the field.
  • an elastic ring for watertightness and a pressure ring for pressurizing the elastic ring are integrated and installed inside the joint pipe, and the clamps are wrapped around the outside to generate a tightening force.
  • the projecting outer circumferential surface of the pressing ring, the tightening force transmission inclined surface and the tightening force transmission inner circumferential surface is coupled to the coupling groove of the elastic ring, the tightening force transmission inner peripheral surface of the pressure ring is completely blocked.
  • the outer circumferential surface of the pipe (P) to be connected is directly in close contact with the pressure contact surface and the space maintaining surface of the elastic ring made of a rubber material, the interference occurs, there is a disadvantage that the insertion and separation of the pipe to be connected is not easy.
  • the prior art pipe connection assembly device in order to insert and couple the connection pipe, the elastic ring for the watertight and the pressure contact ring for pressing the elastic ring is integrated and seated inside the enlarged diameter portion of both ends of the joint pipe.
  • the three clamp members are used to wrap the elastic ring and the joining contact ring from the outside to generate a tightening force, there is a problem in that the assembly is inferior and the manufacturing cost is increased.
  • the fixing force of the stop pin that is driven to the outer circumferential surface of the connection pipe is constant pressure (1 to 2 Kg / Cm 2), but can not withstand high pressure (2Kg / cm2 or more), there was a problem that the connector is separated.
  • the present invention is proposed to improve the above problems.
  • Pipe connection assembly for achieving the above object is made of a cylindrical shape so that the cylindrical connection pipes are inserted at both ends, the pipe connection socket protruding end on the inner peripheral surface; A watertight rubber ring coupled to the end of the pipe connection socket; A pressure ring member seated on the watertight rubber ring; And a clamp member surrounding the end of the pipe connection socket and the pressure ring member, wherein the pressure ring member comprises: a pressure ring rounded to a predetermined radius of curvature; A plurality of stop clips coupled to the upper surface of the pressing ring, the inner edge of each of the plurality of stop clips, the inner peripheral surface of the pressing ring more protrude in the direction of the center axis of the pressing ring, the outer peripheral surface of the connector It is characterized by pressing.
  • connection pipe since a plurality of stop clip ends made of a metal material are crimped and fixed to the outer circumferential surface of the connection pipe at the same time, the separation of the connection pipe is prevented even at high pressure.
  • FIG. 1 is a block diagram showing a separated state of the pipe connection assembly according to the invention.
  • Figure 2 is a cross-sectional view showing a coupling state of the pipe connection assembly according to the present invention.
  • 3 and 4 is a schematic view showing a pressure ring member of the pipe connection assembly according to the present invention.
  • Figure 5 is an exploded perspective view showing the main portion of the pressure ring member of the pipe connection assembly according to the present invention.
  • 6 to 8 is a block diagram showing a clamp member of the pipe connection assembly according to the present invention.
  • Figure 9 is a block diagram of a state in which the connection pipe is coupled to the pipe connection socket constituting the pipe connection assembly according to the present invention.
  • FIG. 1 is a configuration diagram showing a state in which the pipe connection assembly according to the present invention is separated
  • Figure 2 is a cross-sectional view showing a coupling state of the pipe connection assembly according to the present invention
  • Figures 3 and 4 the present invention
  • Figure 5 is a block diagram showing a pressure ring member of the pipe connection assembly according to the present invention
  • Figure 5 is an exploded perspective view showing the main portion of the pressure ring member of the pipe connection assembly according to the present invention
  • Figures 6 to 8 is a pipe connection according to the present invention It is a block diagram which shows the clamp member of an assembly.
  • a pipe connection assembly may include a pipe connection socket 10.
  • a locking end 11 which is caught at both ends of the connecting pipe 1 (see FIG. 9) is formed to extend on the inner circumferential surface of the pipe connecting socket 10. That is, one end of the connection tube is caught on one surface of the locking end 11, the other end of the connection tube is caught on the other surface of the locking end (11).
  • the one side and the other side may be understood as opposite sides.
  • both ends of the pipe connection socket 10 are formed with recesses for packing inserting grooves 12, respectively, and an outer locking end 13 is formed on the outer peripheral surface thereof. That is, both ends of the pipe connection socket 10 may be formed in a symmetrical shape with respect to a horizontal plane that bisects the pipe connection socket 10.
  • the pipe connection assembly may further include a watertight rubber ring 20.
  • the watertight rubber ring 20 is inserted into the packing insertion groove 12 of the pipe connection socket 10 and is coupled to the pipe connection socket 10.
  • the pipe connection assembly may further include a pressure ring member 30.
  • the pressure ring member 30 is seated on the outer peripheral surface of the packing insertion groove 12 and the watertight rubber ring 20 to press the outer peripheral surface of the connecting pipe (1).
  • the pipe connection assembly may further include a clamp member 60.
  • the clamp member 60 is caught by the outer locking end 13 of the pipe connection socket 10, and generates a tightening force inward while wrapping the outer peripheral surface of the pressure ring member (30).
  • An insertion protrusion 21 is formed at the lower end (or bottom) of the watertight rubber ring 20, and the insertion protrusion 21 is inserted into the packing insertion groove 12 of the pipe connection socket 10.
  • An inclined surface 22 inclined downward from the inner side to the outer side is formed at the upper end of the watertight rubber ring 20.
  • a coupling hole 23 is formed inside the watertight rubber ring 20, and one or more inclined support jaws 23a are stepped on the inner circumferential surface of the watertight rubber ring 20 defining the coupling hole 23. It is formed in the form.
  • the one or more inclined support jaw 23a may be continuously formed in the extending direction of the central axis of the watertight rubber ring 20.
  • the inclined support jaw 23 is in a direction closer to the central axis of the pipe connecting socket 10 toward the direction in which the connecting pipe 1 is inserted (from the top to the bottom of the ground based on FIG. 2). It may have a sawtooth-shaped longitudinal section shape that extends at an oblique angle.
  • the pressure ring member 30 may include a pressure ring 34 and a plurality of stop clips 50 coupled to the pressure ring 34.
  • the insertion hole 36 is formed on the inner side of the pressing ring 34, and the insertion protrusion 31 extends on the bottom surface.
  • the inner side surface of the insertion protrusion 31 is formed to be inclined at substantially the same angle as the inclined surface 22 and is in close contact with the inclined surface 22.
  • An outer inclined surface 32 is formed at an upper end of the pressing ring 34, and the outer inclined surface 32 is inclined downward toward the radial direction of the pressing ring 34.
  • a chamfer 33 may be formed at the inner edge of the outer inclined surface 32.
  • the chamfered surface 33 is to be understood as a part formed by cutting in the circumferential direction of the pressing ring 34 an edge portion where the inner edge of the outer slope surface 32 and the upper end of the inner circumferential surface of the pressing ring 34 meet. Can be.
  • the chamfered surface 33 is formed to be inclined, specifically, the edge of the chamfered surface 33 which meets the inner circumferential surface of the pressure contact ring 34, the chamfered surface 33 of the chamfered surface 33 meets the outer inclined surface 32. It can be formed lower than the edges.
  • a plurality of insertion grooves 44 are formed in the upper surface of the pressing ring 34, the plurality of insertion grooves 44 may be spaced apart at predetermined intervals in the circumferential direction of the pressing ring 34. have.
  • the plurality of stop clips 50 are inserted into the plurality of insertion grooves 44.
  • the top surface of the stop clip 50 may form the same surface as the outer inclined surface (32).
  • the pressing space 34a may form a gap of 0.5 ⁇ 2.0mm in the circumferential direction.
  • the pressing space 34a is formed by cutting a portion of the pressing ring 34.
  • the pressure ring 34 may be understood to be in the form of a strip that is spaced at both ends and rounded with a predetermined radius of curvature.
  • both ends of the pressing ring 34 are close to each other by the input of the clamp member 60 so that the width of the pressing space 34a is narrowed.
  • both ends of the pressing ring 34 may be in close contact with each other so that the pressing space 34a may not exist.
  • Each of the plurality of insertion grooves 40 may include a central groove portion 42, an inner slope portion 44, and an outer slope portion 46.
  • the inner inclined portion 44 is formed on the chamfered surface 32 and is connected to the inner edge of the central groove portion 42.
  • the outer slope 46 is recessed to a predetermined depth at the outer edge of the central groove 42.
  • the stop clip 50 is bent at both ends of the inclined piece 52 in close contact with the center groove 42, the inclined piece 52 to the inner inclined portion 44 and the outer inclined portion 46
  • Each insert may include a pair of insertion pieces 54.
  • the pair of insertion pieces 54 may include an inner insertion piece inserted into the inner inclined portion 44 and an outer insertion piece inserted into the outer inclined portion 46.
  • the stop clip 50 may be made of a metal material including stainless so as to maintain strength sufficiently.
  • the number of the insertion groove 40 may be appropriately set according to the size of the inner diameter of the pressure ring 34, for example 4 to 24 may be formed.
  • end of the insertion piece 54 in particular the end of the inner insertion piece may be press-fixed to the outer circumferential surface of the connecting pipe 1 by the pressing force applied to the pressure ring 34 by the clamping force of the clamp member 60.
  • the clamp member 60 is formed to surround the pressing ring 34, the stop clip 50, and the outer locking end 13.
  • the clamp member 60 may include an outer clamp 63, an inner clamp 70, a tightening bolt 67, and a nut 68.
  • the outer clamp 63 may have a circular shape with a predetermined radius of curvature, and both ends may be spaced apart from each other to form a coupling space portion 63a.
  • the outer clamp 63 may include a vertical portion extending in the vertical direction, a lower inclined portion bent obliquely at the lower end of the vertical portion, and an upper inclined portion bent obliquely at the upper end of the vertical portion.
  • the vertical portion may be defined as a catching surface 61, and the lower inclined portion may be defined as a catching jaw 61a that is caught on a bottom surface of the outer catching end 13.
  • the inner circumferential surface of the upper inclined portion covers the outer inclined surface 32 of the pressing ring 34 and the upper surface of the stop clip 50.
  • the inner circumferential surface of the vertical portion is in close contact with the outer circumferential surface of the pressing ring 34 and the outer circumferential surface of the outer locking end 13.
  • Flanges 64 and 65 may extend at both ends of the outer clamp 63, respectively, and the flange may extend in the radial direction of the outer clamp 63.
  • a fastening hole 64a is formed in each of the pair of flanges 64 and 65.
  • An inner locking groove 66 is recessed in the inner circumferential surface of each of the flanges 64 and 65.
  • Portions of the outer clamp 60 except for the flanges 64 and 65 may be defined as clamp bodies.
  • the inner clamp 70 may include a vertical protrusion piece 72 and a wing 74 formed at one end of the vertical protrusion piece 72.
  • the wing portion 74 extends roundly at the left side and the right side of one end of the vertical protruding piece 72.
  • the vertical protrusion piece 72 is disposed between the pair of flanges 64 and 65, and the wing portion 74 is seated in the inner locking groove 66.
  • the wing portion 74 may include a wing body portion 74a and a wing extension portion 74b that is bent and extended from an upper end and a lower end of the wing body portion 74a.
  • a depression 74c is formed in the wing portion 74 by the wing body portion 74a and the wing extension portion 74b.
  • a through hole 70a is formed at the other end of the vertical protruding piece 72, and the through hole is formed through the other side at one side of the vertical protruding piece 72.
  • the tightening bolt 67 sequentially passes through the fastening hole 64a and the through hole 70a, and the nut 68 is fitted to the outer circumferential surface of the tightening bolt 67.
  • the amount of tightening force of the outer clamp 63, specifically, the clamp body, is determined according to the tightening degree of the tightening bolt 67.
  • the pressure ring member 30 is coupled to the inclined surface 22 of the watertight rubber ring 20 so that the bottom surface of the insertion protrusion 31 of the pressure ring 34 is in close contact.
  • the plurality of stop clips 50 are sequentially inserted into the plurality of insertion grooves 40 formed on the upper surface of the pressing ring 34.
  • the clamp body of the outer clamp 60 is opened to surround the pressing ring member 34 and the outer locking end 13.
  • the circular clamp body is elastically deformed into a non-circular shape.
  • connection pipe (1) when the connecting pipe (1) is inserted into both ends of the pipe connecting socket 10, the end of the connecting pipe (1) is in contact with one surface and the other surface of the locking end (11) Insert the connector (1) until. Then, the outer circumferential surface of the connection pipe 1 is in close contact with the inner circumferential surface of the inclined support jaw 23a and the pressure ring 34 formed on the inner circumferential surface of the watertight rubber ring 20.
  • the inner clamp 70 is inserted between the flanges 64 and 65 of the upper one, so that the wing portion 74 is seated in the inner locking groove 66, and the vertical protrusion piece 72 is Position it between a pair of flanges (64, 65).
  • the fastening bolt 67 is inserted into the fastening hole 64a and the through hole 70a, and the nut 68 is coupled to the outer circumferential surface of the fastening bolt 67. Then, the tightening force of the clamp body is generated by turning the nut 68 or by turning the tightening bolt 67.
  • the inclined support jaw 23a of the watertight rubber ring 20 is in close contact with the outer circumferential surface of the connecting pipe 1 to maintain the watertightness, and the width of the pressure space 34a: 0.5 to 2.0 mm of the pressure ring 34 is increased.
  • the pressing force acts on the outer circumferential surface of the connecting pipe 1 while being smaller.
  • the insertion piece 54 of the stop clip 50 that is, the end of the inner insertion piece is simultaneously pressed and fixed to the outer peripheral surface of the connecting pipe 1.
  • the clamping force applied to the connecting pipe 1 by the end of the inner insertion piece of the stop clip 50 by the tightening force of the fastening bolt 67 and the nut 68 of the clamp member 60 is high pressure (2Kg / cm 2). Since it is large enough to withstand the above water pressure), the detachment of the connecting pipe 1 is prevented.
  • the nut 60 is loosened to remove the fastening bolt 67. can do.
  • the inner clamp 70 may be separated from the outer clamp 60, and then two connecting pipes 1 inserted into both ends of the pipe connecting socket 10 may be separated.

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

Abstract

Selon un mode de réalisation, la présente invention concerne un ensemble de raccordement de tuyau comprenant : une douille de raccordement de tuyau prenant une forme cylindrique afin de permettre l'introduction de tuyaux de raccordement cylindriques dans ses deux extrémités et comportant un seuil de retenue faisant saillie à partir de sa surface circonférentielle interne ; une bague en caoutchouc étanche à l'eau accouplée à une extrémité de la douille de raccordement de tuyau ; un élément annulaire de mise sous pression assis sur la bague en caoutchouc étanche à l'eau ; et un élément de serrage entourant l'extrémité de la douille de raccordement de tuyau et l'élément annulaire de mise sous pression. L'élément annulaire de mise sous pression comprend : un anneau de mise sous pression prenant une forme ronde à rayon de courbure prédéfini ; et une pluralité de colliers d'arrêt accouplés à la surface supérieure de l'anneau de mise sous pression, le bord interne de chaque collier d'arrêt faisant saillie dans la direction d'un axe central de l'anneau de mise sous pression, plus loin que la surface circonférentielle interne de l'anneau de mise sous pression, afin de mettre sous pression la surface circonférentielle externe du tuyau de raccordement.
PCT/KR2019/005508 2018-05-14 2019-05-08 Ensemble de raccordement de tuyau WO2019221439A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2018-0054894 2018-05-14
KR1020180054894A KR101891080B1 (ko) 2018-05-14 2018-05-14 관 연결 조립체

Publications (1)

Publication Number Publication Date
WO2019221439A1 true WO2019221439A1 (fr) 2019-11-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2019/005508 WO2019221439A1 (fr) 2018-05-14 2019-05-08 Ensemble de raccordement de tuyau

Country Status (2)

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KR (1) KR101891080B1 (fr)
WO (1) WO2019221439A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200493534Y1 (ko) * 2019-11-26 2021-04-16 피피아이 주식회사 파이프 체결 구조
CN113958789A (zh) * 2021-09-30 2022-01-21 宜宾天亿新材料科技有限公司 一种自锁式pvc-o给水管密封装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09317961A (ja) * 1996-05-24 1997-12-12 Yokohama Rubber Co Ltd:The 管継手および管状体保持金具
JP2007100808A (ja) * 2005-10-03 2007-04-19 Bridgestone Corp パイプ継手構造
KR20110059183A (ko) * 2009-11-27 2011-06-02 현대주철산업 주식회사 관 연결용 압륜 조립체
KR101149549B1 (ko) * 2012-02-24 2012-05-25 현대주철산업 주식회사 관 연결용 신축이탈방지압륜 어셈블리
KR101678379B1 (ko) * 2016-03-14 2016-11-22 두리화학 주식회사 관 연결 조립장치

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0771668A (ja) * 1993-09-02 1995-03-17 Hitachi Metals Ltd ライニング管用管継手
ES2155287T3 (es) * 1999-08-17 2001-05-01 Franz Viegener Ii Gmbh & Co Kg Procedimiento y pieza moldeada para crear una union a presion entre una pieza de empalme y un extremo de tubo introducido en el alojamiento de la pieza de empalme.
JP2001165366A (ja) * 1999-12-03 2001-06-22 Benkan Corp 管継手

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09317961A (ja) * 1996-05-24 1997-12-12 Yokohama Rubber Co Ltd:The 管継手および管状体保持金具
JP2007100808A (ja) * 2005-10-03 2007-04-19 Bridgestone Corp パイプ継手構造
KR20110059183A (ko) * 2009-11-27 2011-06-02 현대주철산업 주식회사 관 연결용 압륜 조립체
KR101149549B1 (ko) * 2012-02-24 2012-05-25 현대주철산업 주식회사 관 연결용 신축이탈방지압륜 어셈블리
KR101678379B1 (ko) * 2016-03-14 2016-11-22 두리화학 주식회사 관 연결 조립장치

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Publication number Publication date
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