CN107420663A - A kind of more chuck pressure type assembling pipe joints - Google Patents

A kind of more chuck pressure type assembling pipe joints Download PDF

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Publication number
CN107420663A
CN107420663A CN201710669788.9A CN201710669788A CN107420663A CN 107420663 A CN107420663 A CN 107420663A CN 201710669788 A CN201710669788 A CN 201710669788A CN 107420663 A CN107420663 A CN 107420663A
Authority
CN
China
Prior art keywords
tubing
ring
isolation pad
ring seals
pipe fitting
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.)
Pending
Application number
CN201710669788.9A
Other languages
Chinese (zh)
Inventor
谢祥辉
沈金忠
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.)
Guangxi Standard Energy Saving Technology Co Ltd
Original Assignee
Guangxi Standard Energy Saving Technology 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 Guangxi Standard Energy Saving Technology Co Ltd filed Critical Guangxi Standard Energy Saving Technology Co Ltd
Priority to CN201710669788.9A priority Critical patent/CN107420663A/en
Publication of CN107420663A publication Critical patent/CN107420663A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F16L19/00Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/02Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
    • F16L19/0212Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means
    • 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
    • F16L19/00Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/06Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends
    • F16L19/07Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends adapted for use in socket or sleeve connections

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

Abstract

The present invention relates to the technical field of pipe fitting,Especially a kind of more chuck pressure type assembling pipe joints,Two tubing with Relative distribution and a pipe fitting for connecting two tubing,The both sides port of described pipe fitting is respectively provided with flange,The inner side of described flange is provided with flange form clip,The inner of every tubing is arranged with first of O-ring seals successively from inside to outside,First of isolation pad,Second O-ring seals,Second isolation pad,3rd O-ring seals and the 3rd isolation pad,3rd isolation pad outside of every tubing offers mounting groove,Snap ring is installed in described mounting groove,The outer wrap of described snap ring is provided with back-up ring,Flange form platen is also arranged with every tubing,Screw hole on flange form clip is corresponding with the screw hole site on homonymy flange form platen and is docked using connecting screw.More chuck pressure type assembling pipe joints ensure that tubing can not depart from the cavity of pipe fitting, and pipeline is reached tension and dial function.

Description

A kind of more chuck pressure type assembling pipe joints
Technical field
The present invention relates to the technical field of pipe fitting, especially a kind of more chuck pressure type assembling pipe joints.
Background technology
Pipeline be with tubing, tube connection piece and valve etc. connect into be used for convey gas, liquid or with solid particle Fluid device.Generally, fluid flows to low pressure after the supercharging such as air blower, compressor, pump and boiler at the high pressure of pipeline Place, pressure or the gravity conveying of fluid itself can also be used.Having many uses for pipeline is general, is used primarily in building water supply, draining, confession Heat, give gas, in long distance delivery oil and natural gas, medical oxygen, agricultural irrigation, hydraulic engineering and various commercial plants, With the continuous application of pipeline, the design for the connector of connecting pipe also continues to develop.At present, it is existing miscellaneous The sealing effectiveness of metal tube is not highly desirable, and the metal tube of good sealing effect also is difficult to push away because production cost is too high Extensively.
The content of the invention
The technical problem to be solved in the present invention is:In order to solve the problems, such as that the prior art in above-mentioned background technology is present, A kind of more chuck pressure type assembling pipe joints are provided, can be compared with the raising sealing effectiveness of limits and service life, it is ensured that tubing without Method departs from the cavity of pipe fitting, pipeline is reached tension while sealing effectiveness is ensured and dials function and the anti-function of expanding with heat and contract with cold, And production cost can be substantially reduced, the cumbersome process of pipe fitting cutting thread is broken away from, saves mineral resources.
The technical solution adopted for the present invention to solve the technical problems is:A kind of more chuck pressure type assembling pipe joints, tool There are two tubing of Relative distribution and a pipe fitting for connecting two tubing, the both sides port of described pipe fitting, which is respectively provided with, to be turned over Side, the inner side of described flange are provided with flange form clip, and it is close that the inner of every tubing is arranged with first of O shape successively from inside to outside Seal, first of isolation pad, second O-ring seals, second isolation pad, the 3rd O-ring seals and the 3rd every From pad, the 3rd isolation pad outside of every tubing offers mounting groove, and snap ring, institute are provided with described mounting groove The outer wrap for the snap ring stated is provided with back-up ring, is also arranged with flange form platen on every tubing, the screw on flange form clip Hole is corresponding with the screw hole site on homonymy flange form platen and is docked using connecting screw.
Further specifically, in above-mentioned technical proposal, positioned at the outermost 3rd isolation on described every tubing Pad is in contact with the medial surface of its outside back-up ring.
Further specifically, in above-mentioned technical proposal, first described of O-ring seals, second O-ring seals and The specification of 3rd O-ring seals is identical;The specification of first of isolation pad, second isolation pad and the 3rd isolation pad It is identical.
Further specifically, in above-mentioned technical proposal, first described of O-ring seals, second O-ring seals and Bulk of the line footpath size of 3rd O-ring seals slightly larger than pipe fitting and tubing.
Further specifically, in above-mentioned technical proposal, described pipe fitting is middle part necking, the symmetrical junction of both ends enlarging Structure, is connected between the necking cavity and enlarging cavity of pipe fitting by 45 ° of cavity transition, and first of O-ring seals connects with 45 ° of cavitys Touch.
The beneficial effects of the invention are as follows:During connecting screw docking screws, flange form clip is limited to turning over for pipe fitting The limitation on side can not move laterally, and then the drive for making flange form platen be screwed by connecting screw moves inward, flange Formula platen promotes back-up ring also to move inward during moving inward, and active force is transmitted to the 3rd isolation by back-up ring successively Pad, the 3rd O-ring seals, second isolation pad, second O-ring seals, first of isolation pad and first of O shape Sealing ring, untill first of O-ring seals is in close contact with 45 ° of cavitys in pipe fitting and reaches sealing effectiveness, back-up ring is pushing away Simultaneously because the function of snap ring moves inward tubing drive in dynamic, it is ensured that tubing can not depart from the cavity of pipe fitting, and make pipe Road reaches tension and dials function.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments described in application, for those of ordinary skill in the art, on the premise of not paying creative work, Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation one of the present invention;
Fig. 2 is Fig. 1 decomposition texture schematic diagram;
Fig. 3 is the structural representation of pipe fitting;
Fig. 4 is the structural representation of flange form clip;
Fig. 5 is the structural representation of flange form platen;
Fig. 6 is the structural representation two of the present invention.
Label in accompanying drawing:1st, pipe fitting;2nd, tubing;3rd, flange form clip;4th, first of O-ring seals;5th, first of isolation Pad;6th, second O-ring seals;7th, second isolation pad;8th, the 3rd O-ring seals;9th, the 3rd isolation pad; 10th, mounting groove;11st, snap ring;12nd, back-up ring;13rd, flange form platen.
Embodiment
In order that technical problem solved by the invention, technical scheme and beneficial effect are more clearly understood, below in conjunction with Drawings and Examples, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used To explain the present invention, it is not intended to limit the present invention.
See Fig. 1~6, a kind of more chuck pressure type assembling pipe joints of the invention, there are two Hes of tubing 2 of Relative distribution For connecting a pipe fitting 1 of two tubing 2, the both sides port of pipe fitting 1 is respectively provided with flange, and the inner side of flange is provided with flange form card Hoop 3, the inner of every tubing 2 are arranged with first of O-ring seals 4, first of isolation pad 5, second O successively from inside to outside Shape sealing ring 6, second isolation pad 7, the 3rd O-ring seals 8 and the 3rd isolation pad 9, the 3rd of every tubing 2 the The outside of isolation pad 9 offers mounting groove 10, and snap ring 11 is provided with mounting groove 10, and the outer wrap of snap ring 11 is provided with Back-up ring 12, is also arranged with flange form platen 13 on every tubing 2, screw hole and homonymy flange form platen on flange form clip 3 Screw hole site on 13 is corresponding and is docked using connecting screw.
It is in contact on every tubing 2 positioned at outermost 3rd isolation pad 9 with the medial surface of its outside back-up ring 12. First of O-ring seals 4, second O-ring seals 6 are identical with the specification of the 3rd O-ring seals 8;First of isolation pad 5th, second isolation pad 7 is identical with the specification of the 3rd isolation pad 9.First of O-ring seals 4, second O-ring seals 6 and the 3rd O-ring seals 8 line footpath size slightly larger than pipe fitting 1 and tubing 2 bulk, that is to say, that O-ring seals exist It is pushed into the cavity of pipe fitting 1 and has just played just sealing function, then process is locked by flange form platen 13 and flange form clip 3 In caused by the squeeze pressures of O-ring seals, promote the closeness of contact of O-ring seals and pipe fitting 1 and tubing 2 to reach pole Limit, possesses the requirement for bearing high-pressure system.
Pipe fitting 1 is middle part necking, the symmetrical structure of both ends enlarging, by 45 ° between the necking cavity and enlarging cavity of pipe fitting 1 Cavity transition connects, and first of O-ring seals 4 is in contact with 45 ° of cavitys.
Angled transitional cavity institute between the necking cavity and enlarging cavity of pipe fitting 1 can be 0~90 °, and pipe fitting 1 can be with Using light-wall pipe, by professional equipment extrusion forming process, can also casting technique be used to produce.
Flange form clip 3 is symmetrical arranged using two-flap type flange form clip, its two lobe point.
Snap ring 11 has a counter sink of isosceles trapezoid using open type snap ring on back-up ring 12, isosceles trapezoid with it is horizontal It is 0~90 ° that institute is angled between face, and snap ring 11 is wrapped in mounting groove 10 by the counter sink of the isosceles trapezoid, makes snap ring 11 It can not expand, tubing 2 can not be deviate from from pipe fitting 1.
First of O-ring seals 4 contacts with medium in pipeline, plays primary sealing function.First of O-ring seals 4 Can be the right-angled trapezium shape corresponding with 45 ° of cavitys in pipe fitting 1.3rd O-ring seals 8 and contacting external air, are played Isolate the sealing function of extraneous medium.Second O-ring seals 6 are in vacuum state, are first of O-ring seals 4 and the 3rd Road O-ring seals 8 provide standby guarantee, substantially increase the service life of pipeline, reach pipeline and are provided with super-long service life Life, it is the history sexual revolution of pipe-line system.
The material first choice thermostable fluorine of first of O-ring seals 4, the O-ring seals 8 of second O-ring seals 6 and the 3rd Glue and sanitation-grade silica gel, but it is not excluded for the encapsulant using other materials.
Pipe fitting 1, tubing 2, flange form clip 3, first of isolation pad 5, second isolation pad 7, the 3rd isolating pad Piece 9, snap ring 11, back-up ring 12 and flange form platen 13 can be made up of any one metal material.
During connecting screw docking screws, the limitation that flange form clip 3 is limited to the flange of pipe fitting 1 can not be laterally Mobile, and then the drive for making flange form platen 13 be screwed by connecting screw moves inward, flange form platen 13 is to inner side Back-up ring 12 is promoted also to move inward in mobile process, active force is transmitted to the 3rd isolation pad the 9, the 3rd by back-up ring 12 successively Road O-ring seals 8, second isolation pad 7, second O-ring seals 6, first of isolation pad 5 and first of O shapes sealing Circle 4, untill first of O-ring seals 4 is in close contact with 45 ° of cavitys in pipe fitting 1 and reaches sealing effectiveness, back-up ring 12 is pushing away Simultaneously because the function of snap ring 11 moves inward the drive of tubing 2 in dynamic, it is ensured that tubing 2 can not depart from the cavity of pipe fitting 1, and Pipeline is reached tension and dial function.
It is above-described, it is only the preferable embodiment of the present invention, but protection scope of the present invention is not limited to This, any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme And its inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.

Claims (5)

  1. A kind of 1. more chuck pressure type assembling pipe joints, it is characterised in that:Two tubing with Relative distribution(2)With for even Connect two tubing(2)A pipe fitting(1), described pipe fitting(1)Both sides port be respectively provided with flange, the inner side of described flange Provided with flange form clip(3), every tubing(2)The inner be arranged with first of O-ring seals successively from inside to outside(4), first Road isolation pad(5), second O-ring seals(6), second isolation pad(7), the 3rd O-ring seals(8)With the 3rd Isolation pad(9), every tubing(2)The 3rd isolation pad outside offer mounting groove(10), described mounting groove (10)Snap ring is inside installed(11), described snap ring(11)Outer wrap be provided with back-up ring(12), every tubing(2)On also cover Provided with flange form platen(13), flange form clip(3)On screw hole and homonymy flange form platen(13)On screw hole site Corresponding and utilization connecting screw is docked.
  2. A kind of 2. more chuck pressure type assembling pipe joints according to claim 1, it is characterised in that:Every described tubing (2)It is upper to be located at outermost 3rd isolation pad(9)Outside back-up ring with it(12)Medial surface be in contact.
  3. A kind of 3. more chuck pressure type assembling pipe joints according to claim 1, it is characterised in that:First described of O Shape sealing ring(4), second O-ring seals(6)With the 3rd O-ring seals(8)Specification it is identical;First of isolation pad (5), second isolation pad(7)With the 3rd isolation pad(9)Specification it is identical.
  4. A kind of 4. more chuck pressure type assembling pipe joints according to claim 3, it is characterised in that:First described of O Shape sealing ring(4), second O-ring seals(6)With the 3rd O-ring seals(8)Line footpath size be more than pipe fitting(1)With tubing (2)Bulk.
  5. A kind of 5. more chuck pressure type assembling pipe joints according to claim 1, it is characterised in that:Described pipe fitting(1) For the symmetrical structure of middle part necking, both ends enlarging, pipe fitting(1)Necking cavity and enlarging cavity between connected by 45 ° of cavity transition Connect, first of O-ring seals(4)It is in contact with 45 ° of cavitys.
CN201710669788.9A 2017-08-08 2017-08-08 A kind of more chuck pressure type assembling pipe joints Pending CN107420663A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710669788.9A CN107420663A (en) 2017-08-08 2017-08-08 A kind of more chuck pressure type assembling pipe joints

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710669788.9A CN107420663A (en) 2017-08-08 2017-08-08 A kind of more chuck pressure type assembling pipe joints

Publications (1)

Publication Number Publication Date
CN107420663A true CN107420663A (en) 2017-12-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710669788.9A Pending CN107420663A (en) 2017-08-08 2017-08-08 A kind of more chuck pressure type assembling pipe joints

Country Status (1)

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CN (1) CN107420663A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108355198A (en) * 2018-03-06 2018-08-03 程基才 A kind of no draw point transfusion system
CN113042846A (en) * 2021-04-16 2021-06-29 上海雷奎流体科技有限公司 Variable length vacuum induction brazing furnace

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB898884A (en) * 1960-01-01 1962-06-14 Stanton Ironworks Co Ltd Improvements in and relating to means for interconnecting adjacent pipe lengths
CN1037385A (en) * 1988-02-01 1989-11-22 洛塔·艾尔斯纳 Pipe clamping connector
EP1164325A2 (en) * 2000-06-13 2001-12-19 Glynwed Pipe Systems Limited Pipe coupling
US6481762B1 (en) * 1999-02-02 2002-11-19 Glynwed Pipe Systems Limited Pipe coupling
CN2714930Y (en) * 2003-06-02 2005-08-03 刘静丽 Straight pin pipe connecting device
US20110049878A1 (en) * 2008-05-01 2011-03-03 Goode Sidney H Profiled Gasket For Lined Piping
CN102252143A (en) * 2011-07-01 2011-11-23 新兴铸管股份有限公司 Interface structure of pipeline
CN204004889U (en) * 2014-07-08 2014-12-10 银川艾尼工业科技开发有限公司 A kind of pipe connecting device
CN105736864A (en) * 2016-04-28 2016-07-06 银川艾尼工业科技开发有限公司 Multi-clamp spinning type natural gas pipeline connection device
CN207005508U (en) * 2017-08-08 2018-02-13 广西凯标节能科技有限公司 A kind of more chuck pressure type assembling pipe joints

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB898884A (en) * 1960-01-01 1962-06-14 Stanton Ironworks Co Ltd Improvements in and relating to means for interconnecting adjacent pipe lengths
CN1037385A (en) * 1988-02-01 1989-11-22 洛塔·艾尔斯纳 Pipe clamping connector
US6481762B1 (en) * 1999-02-02 2002-11-19 Glynwed Pipe Systems Limited Pipe coupling
EP1164325A2 (en) * 2000-06-13 2001-12-19 Glynwed Pipe Systems Limited Pipe coupling
CN2714930Y (en) * 2003-06-02 2005-08-03 刘静丽 Straight pin pipe connecting device
US20110049878A1 (en) * 2008-05-01 2011-03-03 Goode Sidney H Profiled Gasket For Lined Piping
CN102252143A (en) * 2011-07-01 2011-11-23 新兴铸管股份有限公司 Interface structure of pipeline
CN204004889U (en) * 2014-07-08 2014-12-10 银川艾尼工业科技开发有限公司 A kind of pipe connecting device
CN105736864A (en) * 2016-04-28 2016-07-06 银川艾尼工业科技开发有限公司 Multi-clamp spinning type natural gas pipeline connection device
CN207005508U (en) * 2017-08-08 2018-02-13 广西凯标节能科技有限公司 A kind of more chuck pressure type assembling pipe joints

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108355198A (en) * 2018-03-06 2018-08-03 程基才 A kind of no draw point transfusion system
CN108355198B (en) * 2018-03-06 2024-02-13 程基才 Steel needle-free infusion system
CN113042846A (en) * 2021-04-16 2021-06-29 上海雷奎流体科技有限公司 Variable length vacuum induction brazing furnace

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Application publication date: 20171201