CN205447026U - High pressure screwed joint - Google Patents
High pressure screwed joint Download PDFInfo
- Publication number
- CN205447026U CN205447026U CN201620240204.7U CN201620240204U CN205447026U CN 205447026 U CN205447026 U CN 205447026U CN 201620240204 U CN201620240204 U CN 201620240204U CN 205447026 U CN205447026 U CN 205447026U
- Authority
- CN
- China
- Prior art keywords
- joint
- screwed joint
- nipple
- high pressure
- welding point
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 11
- 210000002445 nipple Anatomy 0.000 claims description 18
- 238000003466 welding Methods 0.000 claims description 18
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 9
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 238000010030 laminating Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Landscapes
- Joints With Pressure Members (AREA)
Abstract
The utility model discloses a high pressure screwed joint, including welded joint, screwed joint, lock nut, welded joint is last to be provided with O type circle on the face with being connected of screwed joint, welded joint and screwed joint locate to be provided with the metal seal pad, through screwing up lock nut in the time of the installation, extrude sealed pad and O type circle, make two to connect closely laminating, reach the double sealing effect, simultaneously can be according to the pressure of difference, temperature and dielectric attribute, select O type circle and sealed material and quantity of filling up for use, screwed joint's screw thread adopts the better fine screw thread of fastening sealing performance, screwed joint and welded joint's material and thickness also can be adjusted according to different conditions, effective reduce cost in the guarantee safe handling, the utility model provides a high pressure screwed joint simple structure, the cost is lower, and safe and reliable easily realizes.
Description
Technical field
This utility model relates to the attachment structure of a kind of screw thread, particularly to a kind of high tension thread joint.
Background technology
Pipe with small pipe diameter joint type of attachment imported and exported by petroleum chemical industry high pressure equipment mainly the connection of Flange joint, union, fast fastening joint etc., the most a lot of high pressure connections miscellaneous, it is used mostly metal sealing or sealing member seals, but generally in high temperature, high pressure, high sulfur-containing medium, sealing member often corrodes, and bonding strength is low, sealing property is unreliable, easy leak, upper button is difficult to control to, thread gluing etc. easily occurs；And petroleum chemical industry is the heat resisting and pressure resisting to pipe joint and resistance to corrosion requires higher, high pressure flange and oil nonyl body heavier-weight, at Oscillation Amplitude compared with when importing and exporting use such as compressor air cooler on big and that installing space is narrow high pressure equipment, sealing property is had certain impact, meanwhile, general flange, union are the most inconvenient when installation and removal.
Utility model content
In order to solve high pressure equipment, to import and export jointing poorly sealed and install unhandy problem, and this utility model provides a kind of simple in construction, and security performance is high, service life length high tension thread joint.
This utility model is achieved through the following technical solutions: a kind of high tension thread joint, including welding point, nipple, locking nut, also include sealing gasket and O, described sealing gasket is positioned at the joint of welding point and nipple, and described O is positioned on the joint face of welding point and nipple.
As preferably, described sealing gasket is the one in copper packing, aluminum pad, mild steel and high-alloy steel pad, rubber blanket.
As preferably, described O material is fluorubber, and Applicable temperature is-40 DEG C～270 DEG C.
As preferably, described welding point material is the one in carbon steel, low-alloy steel, high-alloy steel.
As preferably, the screw thread of described nipple is fine thread, performs standard GB/T196-2003.
As preferably, described locking nut outer is regular hexagon.
The beneficial effects of the utility model are: this utility model compared with conventional flange, union jointing, lighter weight, use this utility model can be prevented effectively from the impact that vibration brings for compressor air cooler import and export, increase security performance；Welding point and nipple junction use metallic gasket and O to reach the effect of dual-seal, can be according to the environment of different temperatures pressure, select varying number and the O of material and sealing gasket, dielectric corrosion can be resisted, service life is long, the nipple of welding point can be unlike material and thickness according to pressure medium Environment Design so that it is reduces cost while ensureing security performance, and can be used in multiple high pressure equipment；Being tightened locking nut by instrument, installation and removal are quite convenient to；This utility model simple in construction, bonding strength is high, safe and reliable, low cost, and is easily achieved.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is this utility model right TV structure schematic diagram.
Shown in figure: 1-welding point, 2-locking nut, 3-O type circle, 4-sealing gasket, 5-nipple.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described in detail:
As depicted in figs. 1 and 2, a kind of high tension thread joint, including welding point 1, nipple 5, locking nut 2, also include sealing gasket 4 and O 3.
Described sealing gasket 4 is positioned at the joint of welding point 1 and nipple 5, sealing gasket 4 can use copper packing, aluminum pad, mild steel and high-alloy steel pad, rubber blanket etc., condition according to pressure and medium selects unlike material, effectively reduces cost under conditions of ensureing safety；Typically select metallic gasket, engaging force uneven at load easily to relax, temperature and pressure cycle change, have impact or vibrations occasion or condition of high voltage under very useful.
Described O 3 is positioned on the joint face of welding point 1 and nipple 5, and O 3 material is fluorubber, and Applicable temperature is-40 DEG C～270 DEG C, has splendid chemical resistance, resistance to major part oil product and the performance of solvent；
Described welding point 1 material can choose carbon steel, low-alloy steel, high-alloy steel etc. according to pressure rating and dielectric property；The wall thickness of welding point 1 can adjust according to pressure rating, effectively reduces cost in ensureing safety range；
The screw thread of described nipple 5 is fine thread, performs standard GB/T196-2003, and load is high, fastening performance is good, with locking nut 2 with the use of, the wall thickness of nipple 5 entrance end can be adjusted to adapt to different pressure ratings simultaneously, in ensureing safety range, effectively reduce cost；
Described locking nut 2 outer is regular hexagon, conveniently makes it reach the state fully tightened by spanner, is also convenient for dismantling and installing, general union, flange need manual teardown, take time and effort, and be likely to occur the state tightened not, increase potential safety hazard.
When connecting, by tightening locking nut 2, welding point 1 and nipple 5 is made to combine, crush seal pad 4 and O 3, sealing gasket 4 makes welding point 1 fully fit with nipple 5 junction, reach to be tightly connected, tightening when, on nipple 5 Welded Joints 1, O 3 fully compresses, and reaches the effect of the second resealing, multiple sealing gaskets 4 and O 3 can also be used to carry out multi-sealed according to pressure rating, environment under high pressure increases its sealing property.
It should be appreciated that for those of ordinary skills, can be improved according to the above description or be converted, and all these modifications and variations all should be belonged to the protection domain of this utility model claims.
Claims (6)
1. a high tension thread joint, including welding point (1), nipple (5), locking nut (2), it is characterized in that, also including sealing gasket (4) and O (3), described sealing gasket (4) is positioned at the joint of welding point (1) and nipple (5), and described O (3) is positioned on the joint face of welding point (1) and nipple (5).
2. high tension thread joint as claimed in claim 1, it is characterised in that described sealing gasket (4) is the one in copper packing, aluminum pad, mild steel pad, high-alloy steel pad, rubber blanket.
3. high tension thread joint as claimed in claim 1, it is characterised in that described O (3) material is fluorubber.
4. high tension thread joint as claimed in claim 1, it is characterised in that described welding point (1) material is the one in carbon steel, low-alloy steel, high-alloy steel.
5. high tension thread joint as claimed in claim 1, it is characterised in that the screw thread of described nipple (5) is fine thread, performs standard GB/T196-2003.
6. high tension thread joint as claimed in claim 1, it is characterised in that described locking nut (2) outer is regular hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620240204.7U CN205447026U (en) | 2016-03-24 | 2016-03-24 | High pressure screwed joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620240204.7U CN205447026U (en) | 2016-03-24 | 2016-03-24 | High pressure screwed joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205447026U true CN205447026U (en) | 2016-08-10 |
Family
ID=56574422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620240204.7U Expired - Fee Related CN205447026U (en) | 2016-03-24 | 2016-03-24 | High pressure screwed joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205447026U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360520A (en) * | 2018-02-02 | 2018-08-03 | 中国十七冶集团有限公司 | The constructing device of impacting with high pressure ability of swimming Larsen steel sheet pile |
| CN108443605A (en) * | 2017-10-26 | 2018-08-24 | 衡阳金化高压容器股份有限公司 | Gas cylinder air seal test connector |
| CN111578008A (en) * | 2020-05-18 | 2020-08-25 | 胜利油田新大管业科技发展有限责任公司 | Union connection structure with high polymer material lining and assembling method thereof |
| CN114484101A (en) * | 2021-12-27 | 2022-05-13 | 武汉航空仪表有限责任公司 | Pressure seal interface process equipment capable of being quickly disassembled and assembled |
-
2016
- 2016-03-24 CN CN201620240204.7U patent/CN205447026U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443605A (en) * | 2017-10-26 | 2018-08-24 | 衡阳金化高压容器股份有限公司 | Gas cylinder air seal test connector |
| CN108360520A (en) * | 2018-02-02 | 2018-08-03 | 中国十七冶集团有限公司 | The constructing device of impacting with high pressure ability of swimming Larsen steel sheet pile |
| CN111578008A (en) * | 2020-05-18 | 2020-08-25 | 胜利油田新大管业科技发展有限责任公司 | Union connection structure with high polymer material lining and assembling method thereof |
| CN114484101A (en) * | 2021-12-27 | 2022-05-13 | 武汉航空仪表有限责任公司 | Pressure seal interface process equipment capable of being quickly disassembled and assembled |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205447026U (en) | High pressure screwed joint | |
| CN105910474B (en) | More tubular sheet heat exchangers | |
| CN204677934U (en) | A kind of novel alloy flange | |
| CN207005520U (en) | A kind of assembling pipe joint | |
| CN207334027U (en) | Pipeline clamp | |
| CN105849445A (en) | Metallic flange connection gasket | |
| CN207796346U (en) | A kind of rigid pipes expansion bend | |
| CN207316283U (en) | A kind of natural gas compressor pipe connecting structure | |
| CN212509888U (en) | Taper sleeve locking type pipe fitting | |
| CN109458505A (en) | Pipeline clamp | |
| CN2765035Y (en) | Gas used screwy connecting pipe | |
| CN202041420U (en) | Pressure-proof bursting test machine clamp for plastic pipes | |
| CN205718591U (en) | Many tubular sheet heat exchangers | |
| CN204267922U (en) | A kind of light seal pipe joint screw thread connection part | |
| CN107781548A (en) | A kind of high pressure self-tightening flange flushed with internal diameter of the pipeline | |
| CN207018719U (en) | A kind of plastic union pipe head seal | |
| CN211202400U (en) | Anti-loose sealing device for impeller nut | |
| CN204226639U (en) | One-piece type seal washer | |
| CN203703420U (en) | Connection component and water tank comprising same | |
| CN102865427A (en) | Pipeline connecting device | |
| CN207486280U (en) | The high pressure self-tightening flange flushed with internal diameter of the pipeline | |
| CN207675319U (en) | Can core pulling closed crimping temperature sensor | |
| CN204922282U (en) | Fire the pipe connection | |
| CN206246866U (en) | A kind of petroleum pipeline box cupling | |
| CN205016709U (en) | Locking joint head |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |