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US20170225218A1 - Compression connection device for pipe - Google Patents

Compression connection device for pipe Download PDF

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Publication number
US20170225218A1
US20170225218A1 US15/308,109 US201515308109A US2017225218A1 US 20170225218 A1 US20170225218 A1 US 20170225218A1 US 201515308109 A US201515308109 A US 201515308109A US 2017225218 A1 US2017225218 A1 US 2017225218A1
Authority
US
United States
Prior art keywords
fastening
compression
unit
units
fastening connection
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
US15/308,109
Other languages
English (en)
Inventor
Kyung-Ho Cho
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SEOWON Tech CO Ltd
Original Assignee
SEOWON Tech CO Ltd
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 SEOWON Tech CO Ltd filed Critical SEOWON Tech CO Ltd
Assigned to SEOWON TECHNOLOGY CO., LTD reassignment SEOWON TECHNOLOGY CO., LTD ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHO, KYUNG-HO
Publication of US20170225218A1 publication Critical patent/US20170225218A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/10—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting fittings into hoses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
    • B21D39/046—Connecting tubes to tube-like fittings
    • 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
    • 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
    • F16L23/04—Flanged joints the flanges being connected by members tensioned in the radial plane

Definitions

  • the present invention relates to a compression connection device for pipes.
  • a working method for performing piping by connecting tubular bodies includes a compression connection (or connection) method for conveniently and rapidly connecting the joint parts of tubular bodies using a fastening compression force.
  • a compression connection device is used in the compression connection work.
  • the compression connection device is basically configured to generate a fastening force while it is manipulated in the state in which the interval between both ends of the compression connection device is narrowed by a separate fastening tool (or a hydraulic pressure device or transmission device) so that a fastening force is generated in the direction in which the diameter of a pipe is retracted in the state in which the circumference of the joint parts of tubular bodies have been surrounded.
  • a compression connection device used in such a compression connection work includes Korean Patent No. 10-0762293 entitled “Apparatus for Press-Connecting Pipes.”
  • the apparatus for press-connecting pipes of Korean Patent No 10-0762293 has a drawback in that a manipulation and compatibility corresponding to a fastening tool are poor because it does not have a structure integrated therewith, which is easily manipulated by the fastening tool by narrowing the interval between two reference blocks as much as possible when the joint parts of pipes are set in the state in which they are surrounded in such a way as to be compressed and connected.
  • the present invention has been made in an effort to provide a compression connection device for pipes, which is formed to have a structure capable of further improving a manipulation and compatibility corresponding to a fastening tool when a compression connection work for the pipes of tubular bodies is performed.
  • fastening connection units configured to include connectors connected to surround the circumference of the joint parts of tubular bodies and to generate a fastening force for compressing and connecting the circumference of the joint parts of the tubular bodies while operating to narrow an interval between both ends of the fastening connection units by a fastening tool;
  • fastening compression units configured to include movable type compression units and fixed type compression units formed to compress the circumference of the joint parts of the tubular bodies while being pushed by the fastening force of the fastening connection units in a contact state;
  • contact guide units formed to guide the contact state between the fastening connection units and the fastening compression units so that the fastening connection units are manipulated by the fastening tool in a setting state in which the interval between both ends of the fastening connection units has been narrowed.
  • the joint parts of tubular bodies can be simply connected in a compression connection state in such a way as to manipulate a separate fastening tool so that the interval between both ends of the fastening connection units is narrowed in the state in which the fastening connection units have been set to surround the circumference of the joint parts of the tubular bodies and to push the fastening compression units (pressing devices) by a contact attributable to a fastening force at this time.
  • an embodiment of the present invention can provide a structure that can be smoothly manipulated by a fastening tool in the state in which the interval between both ends of the fastening connection units has been narrowed as much as possible because it includes the contact guide units.
  • a manipulation and compatibility corresponding to a fastening tool can be further improved because the fastening tool can be manipulated with it smoothly set by narrowing the interval between both ends of the fastening connection units.
  • FIG. I is a diagram schematically showing the entire structure of a compression connection device for pipes according to an exemplary embodiment of the present invention.
  • FIG. 2 is the compression connection device for pipes according to the exemplary embodiment of the present invention in an open state.
  • FIG. 3 is the compression connection device for pipes according to the exemplary embodiment of the present invention in a fastened state.
  • FIG. 4 shows an installation state of an elastic member according to the exemplary embodiment of the present invention in a fastened state.
  • FIG. 5 shows a formation structure of a guide hole according to the exemplary embodiment of the present invention in a fastened state.
  • FIG. 6 shows a configuration of a latching unit according to the exemplary embodiment of the present invention in a fastened state.
  • FIG. 7 shows an operation state of the latching unit according to the exemplary embodiment of the present invention in a fastened state.
  • FIG. 8 shows an operation state in a different direction of the latching unit according to the exemplary embodiment of the present invention.
  • FIG. 1 is a diagram schematically showing the entire structure of a compression connection device for pipes according to an exemplary embodiment of the present invention
  • FIGS. 2 to 8 are diagrams illustrating a detailed structure and action of the compression connection device for pipes according to an exemplary embodiment of the present invention.
  • Reference numeral 2 denotes a fastening connection unit
  • reference numeral 4 denotes a fastening compression unit
  • the fastening connection units 2 and the fastening compression units 4 may be formed to have a chain type connection structure, for example, so that a compression connection operation is performed by a fastening manipulation that narrows the interval between both ends of the fastening connection units 2 in the state in which the fastening connection units 2 and the fastening compression units 4 have surrounded the circumference of the joint parts P 1 of the tubular bodies P.
  • the fastening connection unit 2 includes a plurality of connectors A.
  • the connectors A are formed to have a connection structure which may form a circle so that they correspond to the circumference of the joint parts P 1 of the tubular bodies P.
  • the fastening connection unit 2 may be set to have a connection structure capable of being manipulated, for example, in the state in which the ends of three connectors A are connected by hinge coupling and may surround the circumference of the joint parts P 1 of the tubular bodies P or may be separated from each other while rotating around a hinge coupling point.
  • the connectors A include contact surfaces A 1 respectively, and are disposed in a connection state in which they can be pushed by the contact forces of the contact surfaces A 1 in such a way as to enable the compression operation of the fastening compression units 4 to be described later when a fastening operation is performed.
  • Latching portions A 2 are formed at the ends of the fastening connection units 2 on both sides so that the fastening connection units 2 may be fastened and manipulated in the state in which the interval between the ends of the fastening connection units 2 on both sides is narrowed by a separate fastening tool M, as shown in FIG. 1 .
  • the latching portion A 2 may be provided in a groove portion (or protrusion) form so that the fastening tool M can be set in the state in which it has been latched in the latching portion A 2 in such a way as to be fastened and manipulated, for example,
  • the fastening tool M is formed to have a driving structure capable of being manipulated in the state in which it generates motive power by common hydraulic pressure or a common transmission method as well known in the art and capable of narrowing the interval between both ends the latching portions) of the fastening connection units 2 .
  • the fastening connection units 2 may be driven to generate a fastening force for press-connecting the circumference of the joint parts P 1 of the tubular bodies P while being manipulated in the state in which the interval between the latching portions A 2 at both ends of the fastening connection units 2 is narrowed by the fastening tool M in the state in which the fastening connection units 2 have been disposed to surround the circumference of the joint parts P 1 of the tubular bodies P.
  • the fastening compression units 4 are formed to compress the circumference of the joint parts P 1 of the tubular bodies P while being pushed by the contact force of the connectors A when the fastening connection units 2 perform the fastening operation.
  • the fastening compression units 4 include a plurality of compression units. When the fastening compression units 4 are installed to correspond to the fastening connection units 2 , they may be installed to have a movable type compression structure capable of being moved along the circumference of the joint parts P 1 of the tubular bodies P and a non-movable type compression structure.
  • the fastening compression unit 4 may include movable type compression units B 1 disposed to correspond to the ends of the fastening connection units 2 on both sides and fixed type compression units B 2 disposed between both ends of the fastening connection units 2 .
  • the movable type compression units B 1 may be provided in the state in which they are coupled to the connectors A at the ends of the fastening connection units 2 on both sides by the coupling of slot grooves C 1 and pins C 2 and may slide along the circumference of the joint parts P 1 of the tubular bodies P.
  • the movable type compression units B 1 when the movable type compression units B 1 are coupled by the pins C 2 on the side of the connectors A at the ends of the fastening connection units 2 on both sides as shown in FIG. 1 , the movable type compression units B 1 may be installed to rotate around the pins C 2 , as shown in FIG.
  • the fixed type compression units B 2 may be provided in the state in which they are fixed to the connectors A between the ends of the fastening connection units 2 on both sides by a fastening member, such as bolts or pins, so that they do not move along the circumference of the joint parts P 1 of the tubular bodies P.
  • a fastening member such as bolts or pins
  • the movable type compression units B 1 and the fixed type compression units B 2 include compression surfaces B 3 .
  • the movable type compression units B 1 and the fixed type compression units B 2 are formed in an array in which the compression surfaces B 3 may be subjected to a compression operation in the state in which they form a circular connection shape corresponding to the circumference of the joint parts P 1 of the tubular bodies P.
  • the fastening compression units 4 may operate to enable the compression operation in the direction in which the diameter of the joint part P 1 of the tubular body P is reduced by the compression surfaces B 3 while the movable type compression units B 1 and the fixed type compression units B 2 are pushed by the contact surfaces A 1 of the connectors A.
  • the compression connection device for pipes includes contact guide units 6 .
  • the contact guide units 6 are formed to have a structure capable of guiding the contact state of the fastening connection unit 2 and the fastening compression unit 4 .
  • the contact guide units 6 are formed to guide the fastening connection unit 2 and the fastening compression unit 4 in the contact state in which the interval between both ends (i.e., the latching portions) of the fastening connection units 2 has been further narrowed.
  • each of the contact guide unit 6 includes a contact guide surface D 1 formed on the side of the fastening connection unit 2 corresponding to the movable type compression unit B 1 of the fastening compression unit 4 and an elastic member D 2 formed to elastically push the movable type compression unit B 1 along the contact guide surface D 1 .
  • the contact guide surface D 1 is formed so that it is contacted in the state in which part of the movable type compression unit B 1 has deviated from the contact surface A 1 of the connector A disposed at the end of the fastening connection unit 2 .
  • the contact guide surface D 1 may be formed to be extended toward the end of the fastening connection unit 2 in the state in which it has been inclined from one side of the contact surface A 1 of the fastening connector A corresponding to the movable type compression unit B 1 to the inside of the contact surface A 1 , as shown in FIG. 4 .
  • the contact guide surface D 1 is formed to have a contact guide area that has slantly deviated to the outside when the contact surfaces A 1 of the fastening connection unit 2 are disposed to form a circle corresponding to the circumference of the joint parts P 1 of the tubular bodies P, as shown in FIG. 2 .
  • the opposite side of the compression surface B 3 is inclined to correspond to the contact guide surface D 1 so that the contact guide of the movable type compression unit B 1 is performed by the contact guide surface D 1 .
  • the elastic member D 2 may be installed between the movable type compression units B 1 and the fixed type compression units B 2 .
  • a compressive coil spring may be used as the elastic member D 2 .
  • the elastic member D 2 has one end supported by the movable type fastening compression unit B 1 and the other end disposed to be supported by the fixed type compression unit B 2 . Accordingly, the movable type compression unit B 1 moves along the contact guide surface D 1 , and is set so that the distance between the movable type compression unit B 1 and the fixed type compression unit B 2 is maintained to be flexibly widened.
  • the contact guide units 6 can provide a contact guide environment in which the movable type compression units B 1 flexibly moves along the contact guide surface D 1 and part thereof is externally located off the ends of the fastening connection units 2 on both sides.
  • the fastening connection units 2 can be set in the state in which the interval between the ends of the fastening connection units 2 on both sides has been further narrowed by the movement of the movable type compression units B 1 .
  • the movable type compression units B 1 move to the opposite sides along the contact guide surface D 1 and are then pushed in the state in which they form a circle corresponding to the circumference of the joint parts P 1 of the tubular bodies P along with the fixed type compression units B 2 .
  • the fastening connection units 2 can be set to be manipulated so that the ends (i.e., the latching portions) of the fastening connection units 2 are compressed and connected in the state in which the interval between the ends of the fastening connection units 2 has been narrowed as much as possible. Accordingly, for example, tool manipulation convenience and compatibility can be secured because a compression connection work for large-sized tubular bodies P can be smoothly performed by the fastening tool M having a size which is used to compress and connect tubular bodies P having a small or middle diameter.
  • the compression connection device for pipes may further include a holder unit 8 , as shown in FIGS. 5 to 8 .
  • the holder unit 8 is formed to have a structure capable of holding the ends of the fastening connection units 2 on both sides in the setting state when the fastening connection units 2 are set to surround the circumference of the joint parts P 1 of the tubular bodies P.
  • the holder unit 8 may include a guide holder E disposed at the end of the fastening connection unit 2 on one side and configured to have a guide hole E 1 formed therein and a latching unit F disposed at the end of the fastening connection unit 2 on the other side in the state in which the latching unit F can be latched into the guide hole E 1 of the guide holder E.
  • the guide holder E may have one end connected and fixed to the side of the end of the fastening connection unit 2 by a pin or bolt and may have the other end set to be extended toward the opposite side.
  • the guide hole E 1 may be formed in a slit hole type which is inwardly extended from an end on the non-fixing side of the guide holder E to an end on the fixing side thereof and has an opening portion.
  • a plurality of latching grooves E 2 is formed within the guide hole E 1 at a specific interval in the elongation direction of the guide hole E 1 in the state in which the latching unit F may be detachably latched into the latching grooves E 2 .
  • the ends of the fastening connection units 2 on both sides can be fastened in the state in which the interval between the ends of the fastening connection units 2 has been properly adjusted along the diameter of the joint parts P 1 of the tubular bodies P in such a way as to correspond to the diameter of the joint parts P 1 .
  • the latching unit F is disposed at the end of the fastening connection unit 2 on the other side in the state in which it corresponds to the guide hole E 1 of the guide holder E, and is formed to have a latching structure capable of latching and release on the side of the guide hole E 1 .
  • the latching unit F includes a latching protrusion F 1 .
  • the latching unit F may be installed on the side of the end of the fastening connection unit 2 in such a way as to move in the same direction as that in FIG. 6 , and may be formed in such a way as to be manipulated so that the latching protrusion F 1 is inserted into the latching groove E 2 of the guide hole E 1 in the latching state or separated therefrom.
  • the holder unit 8 is released because the latching unit F may move in the elongation direction of the guide hole E 1 in the state in which it has been inserted into the guide hole E 1 of the guide holder E.
  • the latching unit F when the latching unit F is manipulated in the same direction as that in FIG. 8 , the holder unit 8 becomes the latching state because the latching protrusion F 1 of the latching unit F is latched and inserted into any one of the latching grooves E 2 of the guide hole E 1 . Accordingly, the latching unit F can hold the ends of the fastening connection units 2 on both sides in the connection state.
  • the setting state can be prevented from being abnormally changed or released because the holder unit 8 can hold both ends of the fastening connection units 2 in a stable state.
  • the compression connection device for pipes can compress and connect the joint parts P 1 of the tubular bodies P by the compression force of the fastening compression units 4 by manipulating the fastening connection units 2 in the direction in which the interval between the ends of the fastening connection units 2 on both sides is narrowed using the fastening tool M in the state in which the fastening connection units 2 are set to surround the circumference of the joint parts P 1 of the tubular bodies P.
  • an exemplary embodiment of the present invention can provide a connection structure capable of further improving a manipulation convenience and compatibility corresponding to the fastening tool M because it includes the contact guide units 6 capable of setting the fastening connection units 2 in the state in which the interval between both ends of fastening connection units 2 has been narrowed as much as possible when the fastening connection units 2 are set on the side of the joint parts P of the tubular bodies P.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Clamps And Clips (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
US15/308,109 2014-06-09 2015-04-29 Compression connection device for pipe Abandoned US20170225218A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020140069632A KR101575896B1 (ko) 2014-06-09 2014-06-09 배관용 압착체결구
KR10-2014-0069632 2014-06-09
PCT/KR2015/004314 WO2015190701A1 (fr) 2014-06-09 2015-04-29 Dispositif de fixation par compression de tuyau

Publications (1)

Publication Number Publication Date
US20170225218A1 true US20170225218A1 (en) 2017-08-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
US15/308,109 Abandoned US20170225218A1 (en) 2014-06-09 2015-04-29 Compression connection device for pipe

Country Status (4)

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US (1) US20170225218A1 (fr)
KR (1) KR101575896B1 (fr)
CN (1) CN106255560B (fr)
WO (1) WO2015190701A1 (fr)

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AU2018274860B1 (en) * 2018-03-23 2019-10-10 Seowon Technology Co., Ltd. Pipe pressing tool
US11185907B2 (en) * 2016-12-21 2021-11-30 Von Arx Ag Press ring with elongated holes
US11458607B2 (en) * 2016-12-21 2022-10-04 Von Arx Ag Press device
CN115605320A (zh) * 2020-05-14 2023-01-13 诺沃普雷斯压力机冲压工具有限两合公司（De） 用于压环的驱动单元
US20230383877A1 (en) * 2017-05-30 2023-11-30 Tyco Fire Products Lp Pre-assembled pipe coupling with manually manipulatable segments

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CN107685111A (zh) * 2017-10-20 2018-02-13 台州巨力工具有限公司 一种薄壁金属管件压模
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Cited By (11)

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US11185907B2 (en) * 2016-12-21 2021-11-30 Von Arx Ag Press ring with elongated holes
US11458607B2 (en) * 2016-12-21 2022-10-04 Von Arx Ag Press device
US20230015222A1 (en) * 2016-12-21 2023-01-19 Von Arx Ag Press device
US11612991B2 (en) * 2016-12-21 2023-03-28 Von Arx Ag Press device
US20230383877A1 (en) * 2017-05-30 2023-11-30 Tyco Fire Products Lp Pre-assembled pipe coupling with manually manipulatable segments
US12038109B2 (en) * 2017-05-30 2024-07-16 Tyco Fire Products Lp Pre-assembled pipe coupling with manually manipulatable segments
US12331855B2 (en) 2017-05-30 2025-06-17 Tyco Fire Products Lp Pre-assembled pipe coupling with manually manipulatable segments
AU2018274860B1 (en) * 2018-03-23 2019-10-10 Seowon Technology Co., Ltd. Pipe pressing tool
CN115605320A (zh) * 2020-05-14 2023-01-13 诺沃普雷斯压力机冲压工具有限两合公司（De） 用于压环的驱动单元
US20230127551A1 (en) * 2020-05-14 2023-04-27 Novopress Gmbh Pressen Und Presswerkzeuge & Co. Kg Drive Unit for a Press Collar
US12397399B2 (en) * 2020-05-14 2025-08-26 Novopress Gmbh Pressen Und Presswerkzeuge & Co. Kg Drive unit for a press collar

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CN106255560A (zh) 2016-12-21
CN106255560B (zh) 2018-12-28

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