CN1580623A - Connection method of locking pipeline by flange - Google Patents
Connection method of locking pipeline by flange Download PDFInfo
- Publication number
- CN1580623A CN1580623A CN 200410020582 CN200410020582A CN1580623A CN 1580623 A CN1580623 A CN 1580623A CN 200410020582 CN200410020582 CN 200410020582 CN 200410020582 A CN200410020582 A CN 200410020582A CN 1580623 A CN1580623 A CN 1580623A
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- Prior art keywords
- flange
- pipe
- locking
- fitting body
- pipe fitting
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- 241000826860 Trapezium Species 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 229910052755 nonmetal Inorganic materials 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 229920002994 synthetic fiber Polymers 0.000 claims description 3
- 238000012856 packing Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 7
- 238000003466 welding Methods 0.000 description 7
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- 230000006872 improvement Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 208000037656 Respiratory Sounds Diseases 0.000 description 1
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- 229910052799 carbon Inorganic materials 0.000 description 1
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- 239000002360 explosive Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
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- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Landscapes
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
This invention relates to a flange locking pipe connection method which is realized by a flexibly spigot and faucet pipe connection structure airtight packing including a pie, a locking flange, a clamp ring, pad, airtight ring and flange bolts, among which, the locking flange, clamp ring, pads andairtight ring are sleeved at the pipe end orderly, the pipe end is plugged in the cavity of the pipe and the airtight ring is inserted in the cone stopping orifice in the pipe cavity. The flange disk and locking flange on the pipe are fixedly connectely by flange bolt.
Description
Technical field
The present invention relates to a kind of pipework parts, particularly relate to the connecting means of a kind of flange locking pipe.
Background technique
Existing gas liquid conveyance conduit generally adopts screwed connection, flange to connect and is welded to connect, the drawback of these three kinds traditional connecting means maximums is to have " run, drip, leak ", pipe leakage causes environmental pollution, inflammable gas leaks and causes blast and smoked dead person's accident, and pipe leakage also causes enormous economic loss.The screwed connection trouble of not only constructing, and make the pipe skin subtract book, the pipe end corrosion protective covering is cut with scissors, easy-to-rust.The high temperature that welding produces makes the poly-carbon of weld seam periphery and causes metal to subtract tough becoming fragile, and reduces the tensile strength of pipe line steel, and the high-quality steel subtract tough become fragile obvious.Welding operation is also cumbersome, and one weld seam in job site will weld several times, and the x-ray inspection inspection is done on the side weld limit.Construction is complicated, and the engineering time is long, easily goes out construction accident, and pipeline in use often generation " run, drip, leak " phenomenon and fragility and ductile fracture accident (especially oil natural gas conveyance conduit), and this has become the public hazards of pipeline industry in the world today.
This shows that above-mentioned existing pipeline connection technology still has many defectives, and demands urgently further being improved.
In order to solve the problem that above-mentioned pipeline connection technology exists, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, and this obviously is the problem that the anxious desire of relevant dealer solves.
Because the existing defective of above-mentioned existing pipe connecting method, the inventor is engaged on the practical experience basis of pipeline professional work for many years in summary, through for many years repeatedly innovation research, repeatedly design and pilot sample and sample threshed the test of various physical property tests and engineering simulation, improve again, test again, invent out the flange locking pipe connecting means that has practical value finally.Its fitting operation is easy to learn, and is convenient and swift, and saving of work and time does not need construction and installation equipment, improves work efficiency, and the reduction of erection time, pipe fitting is lossless, reduces cost of labour, reduces engineering cost, and can guarantee construction quality, no seepage and no leakage.
Summary of the invention
Main purpose of the present invention is, overcome the defective that existing pipeline connection technology exists, and provide a kind of pipeline connection technology of new structure, technical problem underlying to be solved is it to be overcome change existing " run, drip, leak " and the defective that pipeline brittle fracture accident may take place in the existing various pipe connecting methods, make the pipeline of various conveying gas liquid no longer take place to leak and fracture accident, guarantee the safety of pipeline operation, and simple to operate, saving of work and time.
Purpose of the present invention and solve its technical problem underlying and realize by the following technical solutions.A kind of flange locking pipe connecting means that is applicable to all gases, liquid according to the present invention's proposition, it is to realize that by Sealing the flexible bell-and-spigot pipe pipeline connecting structure that seals between pipe and the link, wherein above-mentioned link comprise pipe fitting body, locking flange, snap ring, pad, seal ring, and flange bolt.Described locking flange, snap ring, pad, seal ring are sleeved on tube end in regular turn, tube end are inserted in the cavity of pipe fitting body, and seal ring just in time is inlaid in the interior taper seam of pipe fitting body cavity.With flange bolt flange plate on the pipe fitting body and locking flange are fastenedly connected.Just finished the connection purpose of pipeline enclosure.
The object of the invention to solve the technical problems can also adopt following technical measures further to realize.
The connecting means of aforesaid flange locking pipe, polytype pipe fittings such as that wherein said pipe fitting body comprises is straight-through, elbow, threeway, four-way, reducing, various pipe fittings all are cavitys, be provided with conical seam in each inboard, interface end, its outside, end is provided with flange plate, is provided with the flange bolt hole on flange plate.The pipe fitting body is to make with metallic material.
The connecting means of aforesaid flange locking pipe, wherein said locking flange is the circular flange dish, and the centre is provided with the reinforcement round platform of protrusion, and the inboard is provided with conical keeper, and outer periphery is provided with a plurality of flange bolts hole, and the locking flange is to make with metallic material.
The connecting means of aforesaid flange locking pipe, wherein said snap ring be in separated circular ring jaggy, its section is that right-angled trapezium and rectangle are formed, profile is a taper shape that has table top, the inboard is provided with tooth bar or nail tooth.Snap ring is to make with metallic material or other hard synthetic material.
The connecting means of aforesaid flange locking pipe, wherein said pad is a circular ring, is installed between locking flange and the seal ring, and its section is a rectangle, and pad is to make with metallic material.
Aforesaid button hoop flanged pipe interconnection technique, wherein said seal ring is a circular ring, and front end is a conical inclined surface, and its section is that right-angled trapezium and rectangle are formed or circle or oval, and seal ring is to make with flexible nonmetal material.
Aforesaid button hoop flanged pipe interconnection technique, wherein said pipe fitting body is to realize firmly being connected with the bolt hole on the locking flange by the flange bolt hole on the flange plate of pipe fitting body with flange bolt with locking between the flange.
From the above, will lock flange, snap ring, pad, seal ring earlier and be sleeved on tube end in regular turn, and tube end be inserted in the pipe fitting body cavity again, its seal ring just in time is inlaid in the taper seam in this part of pipe fitting cavity.With flange bolt flange plate on the pipe fitting body and locking flange plate are fastenedly connected, have both realized that pipeline connects.
The present invention compared with prior art has tangible advantage and beneficial effect.It mainly is that welding, screwed connection and flange are connected that existing pipeline connects, and these connecting means constructions are complicated.Wherein screwed connection is wanted earlier at tube end hinge silk, be wrapped with fiber crops or adhesive tape, very careful and firmly proper when upwards twisting pipe fitting with spanner, pipe fitting will be twisted crackle slightly because of carelessness, it is that a tight asbestos rubber cushion is held on the plane under the arm between two flange plates that flange connects, a plurality of bolts of flange periphery are as long as the moment inequality of twisting will produce leakage, and welding is more complicated, the pipeline of especially big caliber high pressure, at first the steel pipe jointing to be worn into the V-type interface, through multipass welding repeatedly, to have or not welding slag and pore to remain in the weldering meat with the X defect detecting test repeatedly in the welding, also the flaw detection photo will be kept after having welded and file.This kind connecting means is not only time-consuming, and often takes place to leak or pipeline brittle fracture accident takes place in the pipeline utilization and operation, causes heavy economic losses or pernicious explosive accident.Flange locking pipe of the present invention connecting means, the job site need not be welded, without power supply, without construction machinery equipment, operation is simple and fast very, improve work efficiency, reduction of erection time, reduction engineering cost and can guarantee 100% construction up-to-standard rate, can realize that really pipeline does not have the connection of leakage, and can guarantee that fragility and ductile fracture accident do not take place in the pipe safety operation.
In sum, flange locking pipe of the present invention connecting means, have above-mentioned many advantages and use value, and in like product, do not see have similar structural design to publish or use, no matter and its structurally or bigger improvement is all arranged on the function, have large improvement technically, and produced handy and practical effect, and have the effect of enhancement really, thus be suitable for practicality more, really be a new and innovative, progressive, practical new invention.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the structural representation of flange locking pipe of the present invention connecting means.
Fig. 2 is the snap ring schematic representation.
1...... pipe fitting body 2...... locks flange
3...... snap ring 4...... pad
5...... seal ring 6...... flange bolt
7...... pipe 11...... pipe fitting body flange plate
12...... taper seam 13...... flange bolt hole
21...... the conical keeper of locking flange bolt hole 22......
Strengthen round platform 23...... protrude
31...... snap ring circular cone inclined-plane 32...... tooth bar or nailing strip
51...... seal ring conical inclined surface
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to its embodiment of flange locking pipe connecting means, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
See also illustrated in figures 1 and 2, flange locking pipe of the present invention connecting means, it mainly comprises pipe fitting body 1, locking flange 2, snap ring 3, pad 4, seal ring 5, flange bolt 6, and pipe 7.Described locking flange 2, snap ring 3, pad 4, seal ring 5 are set to pipe 7 ends in regular turn, pipe 7 ends are inserted in the cavity of pipe fitting body 1 again, and seal ring 5 just in time is inlaid in the taper seam 12 of pipe fitting body 1 end.With flange bolt hole on the flange plate 11 of flange bolt 6 connecting pipe bodies 1 13 and the bolt hole 21 of locking on the flange 2, be fastenedly connected.Realize that promptly pipeline connects.
Above-mentioned pipe fitting body 1 is a cavity, the internal diameter of pipe fitting body 1 is slightly larger than the external diameter of the various pipes of being accepted 7, multiple structural types such as that the kind of pipe fitting body 1 has is straight-through, elbow, threeway, four-way, reducing, its each inboard, interface end is provided with taper seam 12, and the outside, end is provided with flange plate 11, flange plate 11 is provided with flange bolt hole 13.Pipe fitting body 1 is that the interior medium of difference, pipe according to pipe material selects different metallic material or high strength nonmetallic material to make with different working pressures.
Above-mentioned locking flange 2 is cavity circular discs, and it is in order to strengthen locking the side rigidity of flange that there is a reinforcement round platform 23 that protrudes the centre.The inboard is provided with conical keeper 22, and outer periphery is provided with a plurality of flange bolts hole 21, when flange bolt 6 pulling locking flanges 2 to pipe fitting body 1 when mobile.Conical fore shaft 22 overlaps on the outer cone inclined-plane 31 that is pressed in snap ring 3 and gives pressure, and this power produces two component: horizontal component is pushed seal ring 5 and realized sealing, and vertical stress component makes snap ring 3 hoop tightly embrace pipe 7 and realizes firmly connection.The locking flange is made of metallic material.
Above-mentioned snap ring 3 be in separated circular ring jaggy, its section is that right-angled trapezium is formed with rectangle, profile is a taper shape 31 that has table top, the inboard is provided with the tooth bar or follows closely tooth 32, snap ring 3 is to make with metallic material or other hard synthetic material.
Above-mentioned pad 4 is circular ring, and section configuration is a rectangle.Be installed between locking flange plate 2 and the seal ring 5, play the end thrust of protection seal ring 5 and 2 pairs of seal rings 5 of transmission locking flange.Pad 4 usefulness metallic material are made.
Above-mentioned seal ring 5 is rings, and front end is a conical inclined surface 51, and section is that right-angled trapezium face and rectangle are formed, and seal ring 5 sections also can be circular or oval, and it just in time is inlaid in the taper seam 12 of link body 1.Seal ring 4 is to make with flexible nonmetal material.
The inner and outer surface of all metallic material all will be done preservative treatment in the pipe joint of the present invention.
To lock flange 2, snap ring 3, pad 4, seal ring 5 during installation earlier and be set to pipe 7 ends in regular turn, again its end is inserted in the cavity of pipe fitting body 1, seal ring 3 just in time is mounted in the interior taper seam 12 of pipe fitting body 1 cavity, with flange bolt 6 flange plate on the pipe fitting body 1 11 and locking flange 2 are coupled together, tighten flange bolt 6, promptly realize the purpose of piping erection.
The flange locking pipe of the present invention connecting means that above-mentioned structure like this constitutes all has many saving graces for technician of the same trade now, and the progressive that possesses skills really.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified to the equivalent embodiment of equivalent variations, but every technical solution of the present invention content that do not break away from,, all still belong in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.
Claims (7)
1, a kind of flange locking pipe connecting means, be to realize the flexible bell-and-spigot pipe pipeline connecting structure that seals between pipe (7) and the link, it is characterized in that described link comprises pipe fitting body (1), locking flange (2), snap ring (3), pad (4), seal ring (5) and flange bolt (6) by Sealing (5) and auxiliary equipment thereof.Described locking flange (2), snap ring (3), pad (4), seal ring (5) are sleeved on pipe (7) end in regular turn, pipe (7) end is inserted in the cavity of pipe fitting body (1), and seal ring (5) just in time is inlaid in the interior taper seam (12) of pipe fitting body (1) cavity.With flange bolt (6) flange plate (11) on the pipe fitting body (1) and locking flange (2) are fastenedly connected.
2, flange locking pipe according to claim 1 connecting means, it is characterized in that wherein said pipe fitting body (1) comprises polytype pipe fittings such as straight-through, elbow, threeway, four-way, reducing, each pipe fitting all is a cavity, be provided with taper seam (12) in each inboard, interface end, flange plate (11) is established in its outside, end, is provided with flange bolt hole (13) on flange plate (11).Pipe fitting body (1) is to make with metallic material.
3, flange locking pipe according to claim 1 connecting means, it is characterized in that wherein said locking flange (2) is the circular flange dish, the centre is provided with to protrude strengthens round platform (23), the inboard is provided with conical keeper (22), outer periphery is provided with a plurality of flange bolts hole (21), and locking flange (2) is to make with metallic material.
4, according to claim 1 described flange locking pipe connecting means.It is characterized in that wherein said snap ring (3) be in separated circular ring jaggy, its section is that right-angled trapezium and rectangle are formed, profile is a taper shape (31) that has table top, the inboard is provided with tooth bar or nail tooth (32).Snap ring (3) is to make with metallic material or other hard synthetic material.
5, flange locking pipe according to claim 1 connecting means is characterized in that wherein said pad (4) is a circular ring, is installed between locking flange (2) and the seal ring (5), and its section is a rectangle, and pad (4) is to make with metallic material.
6, according to claim 1 described flange locking pipe connecting means, it is characterized in that wherein said seal ring (5) is a circular ring, front end is that its section of conical inclined surface (51) is that right-angled trapezium and rectangle are formed, or circular or oval, seal ring (4) is to make with flexible nonmetal material.
7, flange locking pipe according to claim 1 connecting means is characterized in that wherein said pipe fitting body (1) is to realize firmly being connected with the bolt hole (21) on the locking flange (2) by the flange bolt hole (13) on the flange plate (11) of pipe fitting body (1) with flange bolt (6) with locking between the flange (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410020582 CN1580623A (en) | 2004-05-18 | 2004-05-18 | Connection method of locking pipeline by flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410020582 CN1580623A (en) | 2004-05-18 | 2004-05-18 | Connection method of locking pipeline by flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1580623A true CN1580623A (en) | 2005-02-16 |
Family
ID=34581885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410020582 Pending CN1580623A (en) | 2004-05-18 | 2004-05-18 | Connection method of locking pipeline by flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1580623A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101954965A (en) * | 2009-07-13 | 2011-01-26 | 孙光斌 | Detachable submarine and novel equipment and technology thereof |
| CN102218420A (en) * | 2010-11-04 | 2011-10-19 | 中国海洋石油总公司 | Dismountable pigging device |
| CN103438306A (en) * | 2013-08-23 | 2013-12-11 | 中国航天科技集团公司第六研究院第十一研究所 | Sealing device of electric heat transfer test pipe fitting |
| CN106949240A (en) * | 2017-05-24 | 2017-07-14 | 久智光电子材料科技有限公司 | A quartz rod fixing and sealing device |
| CN107218453A (en) * | 2017-07-13 | 2017-09-29 | 江苏星光波纹管有限公司 | The pipe jointer of cleaning easy to disassemble |
| CN107542982A (en) * | 2017-08-14 | 2018-01-05 | 深圳市德圣雅建材科技有限公司 | A kind of straight pin pipe connecting device |
| CN109185579A (en) * | 2018-10-09 | 2019-01-11 | 宁波市盛丰钢塑管制造厂 | A kind of flange metal tube through walls |
| CN109253325A (en) * | 2018-12-04 | 2019-01-22 | 罗正楷 | Assembling pipe joint |
-
2004
- 2004-05-18 CN CN 200410020582 patent/CN1580623A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101954965A (en) * | 2009-07-13 | 2011-01-26 | 孙光斌 | Detachable submarine and novel equipment and technology thereof |
| CN102218420A (en) * | 2010-11-04 | 2011-10-19 | 中国海洋石油总公司 | Dismountable pigging device |
| CN102218420B (en) * | 2010-11-04 | 2013-05-15 | 中国海洋石油总公司 | Dismountable pigging device |
| CN103438306A (en) * | 2013-08-23 | 2013-12-11 | 中国航天科技集团公司第六研究院第十一研究所 | Sealing device of electric heat transfer test pipe fitting |
| CN103438306B (en) * | 2013-08-23 | 2016-08-24 | 中国航天科技集团公司第六研究院第十一研究所 | A kind of sealing device of fax heat test pipe fitting |
| CN106949240A (en) * | 2017-05-24 | 2017-07-14 | 久智光电子材料科技有限公司 | A quartz rod fixing and sealing device |
| CN106949240B (en) * | 2017-05-24 | 2018-12-25 | 久智光电子材料科技有限公司 | Quartz rod fixing and sealing device |
| CN107218453A (en) * | 2017-07-13 | 2017-09-29 | 江苏星光波纹管有限公司 | The pipe jointer of cleaning easy to disassemble |
| CN107542982A (en) * | 2017-08-14 | 2018-01-05 | 深圳市德圣雅建材科技有限公司 | A kind of straight pin pipe connecting device |
| CN109185579A (en) * | 2018-10-09 | 2019-01-11 | 宁波市盛丰钢塑管制造厂 | A kind of flange metal tube through walls |
| CN109253325A (en) * | 2018-12-04 | 2019-01-22 | 罗正楷 | Assembling pipe joint |
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