CN108131520A - A kind of effective transition joint of flexible compound - Google Patents

A kind of effective transition joint of flexible compound Download PDF

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Publication number
CN108131520A
CN108131520A CN201810115917.4A CN201810115917A CN108131520A CN 108131520 A CN108131520 A CN 108131520A CN 201810115917 A CN201810115917 A CN 201810115917A CN 108131520 A CN108131520 A CN 108131520A
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CN
China
Prior art keywords
inner core
baffle ring
outer tube
core tube
tube
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Granted
Application number
CN201810115917.4A
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Chinese (zh)
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CN108131520B (en
Inventor
张宗政
迟明
李均
白勇
张德文
施巧英
周金喜
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Ningbo Marine Engineering Equipment Co Ltd Peja Ou
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Ningbo Marine Engineering Equipment Co Ltd Peja Ou
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Application filed by Ningbo Marine Engineering Equipment Co Ltd Peja Ou filed Critical Ningbo Marine Engineering Equipment Co Ltd Peja Ou
Priority to CN201810115917.4A priority Critical patent/CN108131520B/en
Publication of CN108131520A publication Critical patent/CN108131520A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L31/00Arrangements for connecting hoses to one another or to flexible sleeves

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Exhaust Silencers (AREA)
  • Joints Allowing Movement (AREA)

Abstract

The invention discloses a kind of effective transition joints of flexible compound, including outer tube and inner core tube, outer tube middle inside is fixedly installed hole shoulder, the outer middle side part of inner core tube is fixedly installed the shaft shoulder, baffle ring is connected between hole shoulder and the shaft shoulder, baffle ring is inserted in inner core tube to the shaft shoulder by inner core tube end and positions, outer tube shaft end is set with baffle ring to hole shoulder and positions, outer tube, inner core tube and baffle ring three's coaxial line, baffle ring end face upper edge even circumferential offers multiple ventholes, venthole connection baffle ring both ends, form exhaust passage.The effective transition joint of the flexible compound need to only pass through outer tube, inner core tube and baffle ring three's simple combination, it is simple and reasonable between each part, outer tube, inner core tube and the triangular assembling of baffle ring are simple peg-in-hole assembly, it need not be welded to connect, leaking medium is discharged by the venthole of baffle ring inside outer tube, there is no face of weld, reduce the risk of the leakage of medium.

Description

A kind of effective transition joint of flexible compound
Technical field
The present invention relates to a kind of flexible composite tube connector more particularly to a kind of discharge or collection flexible composite pipe internal penetrations The effective transition joint of flexible compound of medium.
Background technology
Non-adhesive flexible composite pipe is widely used in buried or seabed over long distances because of the features such as its corrosion resistance, continuity Transmit corrosivity and non-aggressive medium, such as oil, gas, injection chemicals.It is flexible caused by leakage or infiltration to prevent Pipe internal pressure extremely increases and bursts, code requirement design exhaust system, and leaking medium must pass through pipe fitting Discharge.For non-adhesive flexible composite pipe long-distance transport pipes, connected between pipeline section and generally use transition joint, it is desirable that transition joint is not Only have good connection performance, and have medium connectivity.
At present, widely used transition joint structure such as Fig. 1, including outer tube 1, connector 2, inner core tube 3, three It is axial to assemble successively, it is welded and fixed, wherein requirement is sealing welding with extraneous contact weld;1 inner surface of outer tube and inner core tube 3 Outer surface axially opens up seal feature, and one group of exhaust trench 2-1 is opened up in connector 2.It installs in application process, by flexible compound Pipe is placed in the gap that outer tube 1 is formed with inner core tube 3, is directly radially withheld by outside or necking is withheld fixed and sealed flexible Multiple tube.The transition joint is relative complex there are 1 processing technology of outer tube and allowance is bigger than normal, and exhaust trench 2-1 processing is tired The manufacturing issues such as difficulty, in addition sealing welding will increase leakage probability, poor reliability particularly improperly may be used in the case that withholding Weld can be caused to deform, and then influence connection and sealing quality.
Invention content
In order to solve the above technical problems, the present invention devises a kind of effective transition joint of flexible compound.
The present invention adopts the following technical scheme that:
A kind of effective transition joint of flexible compound, including outer tube and inner core tube, outer tube middle inside is fixedly installed hole shoulder, The outer middle side part of inner core tube is fixedly installed the shaft shoulder, baffle ring is connected between hole shoulder and the shaft shoulder, baffle ring is inserted in inner core in inner core tube end Pipe to the shaft shoulder positions, and outer tube shaft end is set with baffle ring to hole shoulder and positions, outer tube, inner core tube and baffle ring three's coaxial line, baffle ring End face upper edge even circumferential offers multiple ventholes, and venthole connection baffle ring both ends form exhaust passage.
Preferably, being provided with baffle between the outer tube and inner core tube, baffle positions respectively is socketed on the inner core tube shaft shoulder Both ends, there are gaps between baffle and outer tube.Baffle can effectively ensure that flexible composite pipe is inserted into setting length, and ensures over long distances The electric continuity of flexible composite pipe.
Preferably, the inner core tube both ends symmetrically offer multi-turn o-ring groove, it is socketed in o-ring groove close Seal.The structure helps to improve the leakproofness of connector.
Preferably, the both ends that the outer sleeve inner surface is located at hole shoulder are evenly arranged with section as the more of zigzag distribution A annular snap-latch surface.The structure ensures the compactness of outer tube connection flexible composite pipe, improves the leakproofness of connector, prevents medium It leaks.
Preferably, the inner core tube outer surface is provided with class thread-like structure between the shaft shoulder and o-ring groove.It should Structure ensures the compactness of inner core tube connection flexible composite pipe, improves the leakproofness of connector.
Preferably, interference fit is fixedly connected between the outer tube, inner core tube and baffle ring three.
Preferably, transition cooperation is fixedly connected between the outer tube, inner core tube and baffle ring three.
Preferably, internal thread is provided at the housing pore shoulder, external screw thread is provided at the inner core tube shaft shoulder, in baffle ring Outer surface is correspondingly arranged on screw thread respectively, and connection is threadably secured between outer tube, inner core tube and baffle ring three.
Preferably, the pipe face of the outer tube is straight in the axial direction.
The beneficial effects of the invention are as follows:(1), the effective transition joint of the flexible compound only need to by outer tube, inner core tube and Baffle ring three's simple combination, simple and reasonable between each part, the pipe face of outer tube is straight in the axial direction, production technology letter It is single, it is suitble to large-scale promotion;(2), outer tube, inner core tube and the triangular assembling of baffle ring for simple peg-in-hole assembly, without weldering It connects in succession;(3), outer tube and inner core tube be all overall structure, without other connection features, improve sealing performance and reliability; (4), leaking medium discharged by the venthole of baffle ring inside outer tube, without face of weld, reduce the risk of the leakage of medium.
Description of the drawings
Fig. 1 is the structure diagram of the effective transition joint of existing flexible compound;
Fig. 2 is the structure diagram of the effective transition joint of flexible compound of the present invention;
Fig. 3 is the cross section view in C-C sections in Fig. 2;
Fig. 4 is the partial enlarged view at I in Fig. 2;
Fig. 5 is that a kind of structure diagram of scheme is withheld in the effective transition joint necking of flexible compound of the present invention;
Fig. 6 is that another structure diagram of scheme is withheld in the effective transition joint necking of flexible compound of the present invention;
In Fig. 1:1st, outer tube, 2, connector, 2-1, exhaust trench, 3, inner core tube.
In Fig. 2-Fig. 6:4th, outer tube, 4-1, hole shoulder, 4-2, the outer tube shaft shoulder, 5, baffle ring, 5-1, venthole, 6, baffle, 7th, inner core tube, 7-1, the shaft shoulder, 7-2, o-ring groove, 8, outer baffle ring.
Specific embodiment
Below by specific embodiment, and with reference to attached drawing, technical scheme of the present invention is further described specifically:
Embodiment 1:Such as attached drawing 2, shown in attached drawing 3 and attached drawing 4, a kind of effective transition joint of flexible compound, including outer tube 4, gear Circle 5, baffle 6 and inner core tube 7, baffle ring 5 enter inner core tube 7 in A end caps and position to shaft shoulder 7-1, outer tube 4 in A end caps fill baffle ring 5 to Hole shoulder 4-1 position, outer tube, inner core tube and baffle ring three's coaxial line, outer tube, inner core tube and baffle ring three it is adjacent between use Interference fit, baffle 6 is placed in respectively at side a and b in gap of the outer tube 4 with the formation of inner core tube 7, and is positioned by shaft shoulder 7-1, 5 upper edge even circumferential of baffle ring end face offers multiple venthole 5-1, connects side a and b, forms exhaust passage;7 liang of inner core tube End symmetrically opens up two seals groove 7-2, and the both ends that 4 inner surface of outer tube is located at hole shoulder 4-1 are evenly arranged with section as saw Multiple annular snap-latch surfaces of dentation distribution, the pipe face of outer tube 4 is straight in the axial direction.
The effective transition joint of the flexible compound is in use, first install sealing ring, by flexible composite pipe prior to the insertion of A ends outside Fixed and sealing flexible composite pipe is withheld in the gap that casing 4 is formed with inner core tube 7 by outer radial;Subsequently by the other end Flexible composite pipe is inserted by B ends, and is radially withheld fixed and sealed.
Embodiment 2:Shown in attached drawing 5, a kind of effective transition joint of flexible compound, including outer tube 4, baffle ring 5,6 and of baffle Inner core tube 7, baffle ring 5 enter inner core tube 7 in A end caps and are positioned to shaft shoulder 7-1, and outer tube 4 is determined in A end caps dress baffle ring 5 to hole shoulder 4-1 Position, outer tube, inner core tube and baffle ring three's coaxial line, outer tube, inner core tube and baffle ring three it is adjacent between using interference fit, Baffle 6 is placed in respectively at side a and b in gap of the outer tube 4 with the formation of inner core tube 7, and is positioned by shaft shoulder 7-1, baffle ring end face 5 Upper edge even circumferential offers multiple venthole 5-1, connects side a and b, forms exhaust passage;7 both ends of inner core tube symmetrically open up Two seals groove 7-2, the both ends that 4 inner surface of outer tube is located at hole shoulder 4-1 are evenly arranged with section as zigzag distribution Multiple annular snap-latch surfaces, the pipe face of outer tube 4 is straight in the axial direction, and outer gear is welded in the middle part of 4 outer surface of outer tube Circle 8.
The effective transition joint of the flexible compound is in use, first install sealing ring, by flexible composite pipe prior to the insertion of A ends outside Fixed and sealing flexible composite pipe is withheld in the gap that casing 4 is formed with inner core tube 7 by necking;Subsequently by flexible composite pipe by B End is inserted into, and necking is withheld fixed and sealed, and necking carries out withholding positioning by compressing outer baffle ring 8.
Embodiment 3:Shown in attached drawing 6, a kind of effective transition joint of flexible compound, including outer tube 4, baffle ring 5,6 and of baffle Inner core tube 7, baffle ring 5 enter inner core tube 7 in A end caps and are positioned to shaft shoulder 7-1, and outer tube 4 is determined in A end caps dress baffle ring 5 to hole shoulder 4-1 Position, outer tube, inner core tube and baffle ring three's coaxial line, outer tube, inner core tube and baffle ring three it is adjacent between using interference fit, Baffle 6 is placed in respectively at side a and b in gap of the outer tube 4 with the formation of inner core tube 7, and is positioned by shaft shoulder 7-1, baffle ring end face 5 Upper edge even circumferential offers multiple venthole 5-1, connects side a and b, forms exhaust passage;7 both ends of inner core tube symmetrically open up Two seals groove 7-2, the both ends that 4 inner surface of outer tube is located at hole shoulder 4-1 are evenly arranged with section as zigzag distribution Multiple annular snap-latch surfaces, the pipe face of outer tube 4 is straight in the axial direction, and outer tube axis is provided in the middle part of 4 outer surface of outer tube Shoulder 4-2 is cased with outer baffle ring 8 on outer tube, and outer baffle ring 8 is set in outer tube 4 and is positioned at shaft shoulder 4-2.
The effective transition joint of the flexible compound is in use, first install sealing ring, by flexible composite pipe prior to the insertion of A ends outside Fixed and sealing flexible composite pipe is withheld in the gap that casing 4 is formed with inner core tube 7 by necking;Subsequently by flexible composite pipe by B End is inserted into, and necking is withheld fixed and sealed.Necking carries out withholding positioning by compressing outer baffle ring 8, treats that side is withheld and finishes, outside Baffle ring 8 can be removed, and installed in the other end and complete to withhold, and outer baffle ring 8 may be designed as splitted structure, convenient for removing after withholding.
Embodiment described above is a kind of preferable scheme of the present invention, and not the present invention is made in any form Limitation also has other variants and remodeling under the premise of without departing from the technical solution recorded in claim.

Claims (9)

1. a kind of effective transition joint of flexible compound, including outer tube and inner core tube, it is characterized in that, the outer tube middle inside Hole shoulder is fixedly installed, the outer middle side part of inner core tube is fixedly installed the shaft shoulder, baffle ring is connected between hole shoulder and the shaft shoulder, baffle ring is by inner core Tube end is inserted in inner core tube to the shaft shoulder and positions, and outer tube shaft end is set with baffle ring to hole shoulder and positions, outer tube, inner core tube and baffle ring three Person's coaxial line, baffle ring end face upper edge even circumferential offer multiple ventholes, and it is logical to form exhaust for venthole connection baffle ring both ends Road.
2. the effective transition joint of a kind of flexible compound according to claim 1, it is characterized in that, the outer tube and inner core tube Between be provided with baffle, baffle positions respectively is socketed on inner core tube shaft shoulder both ends, and there are gaps between baffle and outer tube.
3. the effective transition joint of a kind of flexible compound according to claim 1, it is characterized in that, the inner core tube both ends are symmetrical Multi-turn o-ring groove is offered, sealing ring is socketed in o-ring groove.
4. the effective transition joint of a kind of flexible compound according to claim 1, it is characterized in that, the outer sleeve inner surface position Multiple annular snap-latch surfaces of the section for zigzag distribution are evenly arranged in the both ends of hole shoulder.
5. the effective transition joint of a kind of flexible compound according to claim 3, it is characterized in that, the inner core tube outer surface position Class thread-like structure is provided between the shaft shoulder and o-ring groove.
6. the effective transition joint of a kind of flexible compound according to claim 1, it is characterized in that, the outer tube, inner core tube It is interference fitted and is fixedly connected between baffle ring three.
7. the effective transition joint of a kind of flexible compound according to claim 1, it is characterized in that, the outer tube, inner core tube Transition cooperation is fixedly connected between baffle ring three.
8. the effective transition joint of a kind of flexible compound according to claim 1, it is characterized in that, it is set at the housing pore shoulder It is equipped with internal thread, external screw thread is provided at the inner core tube shaft shoulder, baffle ring surfaces externally and internally is correspondingly arranged on screw thread respectively, outer tube, interior Connection is threadably secured between core pipe and baffle ring three.
9. the effective transition joint of a kind of flexible compound according to claim 1, it is characterized in that, the pipe face of the outer tube exists It is straight on axis direction.
CN201810115917.4A 2018-02-06 2018-02-06 Intermediate joint for flexible composite pipe Active CN108131520B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810115917.4A CN108131520B (en) 2018-02-06 2018-02-06 Intermediate joint for flexible composite pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810115917.4A CN108131520B (en) 2018-02-06 2018-02-06 Intermediate joint for flexible composite pipe

Publications (2)

Publication Number Publication Date
CN108131520A true CN108131520A (en) 2018-06-08
CN108131520B CN108131520B (en) 2023-12-08

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Family Applications (1)

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CN201810115917.4A Active CN108131520B (en) 2018-02-06 2018-02-06 Intermediate joint for flexible composite pipe

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Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB291674A (en) * 1927-11-01 1928-06-07 Francois Planque Improvements in connectors for flexible tubes and the like
DE570324C (en) * 1929-10-24 1933-02-15 Nordac Ltd Connection for rubber pipes, preferably for acid pipes
GB794833A (en) * 1955-06-24 1958-05-14 Robert Hudson Method of and means for jointing tubes
US4600219A (en) * 1982-03-16 1986-07-15 Kawasaki Jukogyo Kabushiki Kaisha Corrosion-resistant pipe coupling structures
CN2289931Y (en) * 1997-01-02 1998-09-02 黄平 Quick pipe joint
CN2373662Y (en) * 1999-05-12 2000-04-12 江阴市跨世纪塑料制品有限公司 Special equal-diameter joint for aluminium plastic composited tube
CN2445179Y (en) * 2000-11-08 2001-08-29 叶福西 Plastic connector for aluminium plastic composited tube
JP2001248772A (en) * 2000-03-02 2001-09-14 Advance Denki Kogyo Kk Connecting structure for tubes
CN2545457Y (en) * 2002-04-25 2003-04-16 胜利石油管理局工程机械总厂 Metal joint for plastic pipe or plastic composite pipe
GB0307693D0 (en) * 2003-04-03 2003-05-07 Shand Engineering Ltd Hose connector
CN202611604U (en) * 2012-04-01 2012-12-19 中国石油天然气集团公司 Shoulder ring and threaded joint
RU2535420C1 (en) * 2013-07-02 2014-12-10 Общество с ограниченной ответственностью "Псковтэрм" Ring connection of flexible polymer reinforced pipe and method of union connection to it
CN106051348A (en) * 2016-06-29 2016-10-26 杭州欧佩亚海洋工程股份有限公司 Intermediate joint for flexible pipes
CN207814713U (en) * 2018-02-06 2018-09-04 宁波欧佩亚海洋工程装备有限公司 A kind of effective transition joint of flexible compound

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB291674A (en) * 1927-11-01 1928-06-07 Francois Planque Improvements in connectors for flexible tubes and the like
DE570324C (en) * 1929-10-24 1933-02-15 Nordac Ltd Connection for rubber pipes, preferably for acid pipes
GB794833A (en) * 1955-06-24 1958-05-14 Robert Hudson Method of and means for jointing tubes
US4600219A (en) * 1982-03-16 1986-07-15 Kawasaki Jukogyo Kabushiki Kaisha Corrosion-resistant pipe coupling structures
CN2289931Y (en) * 1997-01-02 1998-09-02 黄平 Quick pipe joint
CN2373662Y (en) * 1999-05-12 2000-04-12 江阴市跨世纪塑料制品有限公司 Special equal-diameter joint for aluminium plastic composited tube
JP2001248772A (en) * 2000-03-02 2001-09-14 Advance Denki Kogyo Kk Connecting structure for tubes
CN2445179Y (en) * 2000-11-08 2001-08-29 叶福西 Plastic connector for aluminium plastic composited tube
CN2545457Y (en) * 2002-04-25 2003-04-16 胜利石油管理局工程机械总厂 Metal joint for plastic pipe or plastic composite pipe
GB0307693D0 (en) * 2003-04-03 2003-05-07 Shand Engineering Ltd Hose connector
CN202611604U (en) * 2012-04-01 2012-12-19 中国石油天然气集团公司 Shoulder ring and threaded joint
RU2535420C1 (en) * 2013-07-02 2014-12-10 Общество с ограниченной ответственностью "Псковтэрм" Ring connection of flexible polymer reinforced pipe and method of union connection to it
CN106051348A (en) * 2016-06-29 2016-10-26 杭州欧佩亚海洋工程股份有限公司 Intermediate joint for flexible pipes
CN207814713U (en) * 2018-02-06 2018-09-04 宁波欧佩亚海洋工程装备有限公司 A kind of effective transition joint of flexible compound

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