CN206816818U - A kind of combined type V-type self-tightening seal ring - Google Patents
A kind of combined type V-type self-tightening seal ring Download PDFInfo
- Publication number
- CN206816818U CN206816818U CN201621275591.4U CN201621275591U CN206816818U CN 206816818 U CN206816818 U CN 206816818U CN 201621275591 U CN201621275591 U CN 201621275591U CN 206816818 U CN206816818 U CN 206816818U
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- type
- internal pressure
- seal ring
- tightening seal
- valve body
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- 238000007789 sealing Methods 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000000126 substance Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
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- Lift Valve (AREA)
Abstract
A kind of combined type V-type self-tightening seal ring, including valve body and stuffing box, combined type V-type self-tightening seal ring is provided between the valve body and stuffing box.The combined type V-type self-tightening seal ring mainly includes internal pressure triangle metal circle and the nonmetallic sealing ring of internal pressure V-type；The internal pressure triangle metal circle is close to valve body middle chamber side, and the nonmetallic sealing ring of internal pressure V-type is arranged on above internal pressure triangle metal circle.The utility model seals against each other each contact site of sealing ring, valve body, stuffing box by bolt power and medium active force, ensure that the sealing reliability of valve.
Description
Technical field
The utility model category technical field of valve manufacturing, and in particular to one kind is applied to oil, chemical industry, coal chemical industry, aviation
The field high pressure valve such as space flight combined type V-type self-tightening seal ring.
Background technology
As the industry such as implementation, China's oil, chemical industry, coal chemical industry of China's industrial expansion and the project that domesticizes progressively is built
The key project of the special operation conditions such as high pressure, high temperature is erected, the demand of high-pressure large-caliber valve is growing day by day.But general industry is used
Valve is typically that high-pressure small-bore or mesolow heavy caliber, high-pressure large-caliber are rarely employed.Because the big mouth valve of high pressure, especially
Its valve seal requirement as facing the danger medium such as hydrogen, oxygen-containing is strict, forbids to reveal.The Seal Design generally has in the prior art
Two kinds of situations：Pressure seal quoit and the nonmetallic sealing ring of pressure seal.Quoit is therefore first mainly by plastic deformation sealing
Begin the very big bolt power of sealing needs, and nonmetallic sealing ring tightness is good, but is more easily damaged in the presence of high pressure, uses
Short life.
Utility model content
The utility model provides a kind of combined type V-type self-tightening seal ring, solves high pressure, high temperature, danger medium with greatly
The problem of bore valve reaches zero leakage.
To achieve the above object, the technical solution adopted in the utility model is：
A kind of combined type V-type self-tightening seal ring, including valve body and stuffing box, combined type is provided between the valve body and stuffing box
V-type self-tightening seal ring.
The combined type V-type self-tightening seal ring mainly includes internal pressure triangle metal circle and the nonmetallic sealing ring of internal pressure V-type；
The internal pressure triangle metal circle is close to valve body middle chamber side, and the nonmetallic sealing ring of internal pressure V-type is arranged on internal pressure triangle gold
Category circle top.
Differential seat angle be present between the nonmetallic seal ring assembly.
The internal pressure triangle metal ring cross-section is triangular structure of right angle, and half slot is provided with one right-angle side.
A kind of combined type V-type self-tightening seal ring, including valve body, valve body middle chamber is interior to be provided with combined type V-type pressure self-sealing circle,
Both internal pressure triangle metal circle and the nonmetallic sealing ring composite structure of internal pressure V-type.And it is provided with matched stuffing box.Sealing
Enclose the contact of cylindrical and body cavity, inner circle and stuffing box contact.Sealing ring, valve body are made by bolt power and medium active force, filled out
Each contact site of hopper seals against each other, and ensure that the sealing reliability of high-pressure large-caliber valve.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the utility model triangle metal sealing ring cross sectional shape schematic diagram；
Fig. 3 is that the nonmetallic seal ring assembly cross sectional shape of the utility model V-type splits schematic diagram.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
Reference picture 1,2,3, a kind of combined type V-type self-tightening seal ring, including valve body 1, are provided between valve body 1 and stuffing box 2
Combined type V-type self-tightening seal ring 3, both internal pressure triangle metal circle 3-1 and the nonmetallic sealing ring 3-2 composite structures of internal pressure V-type.
Triangle metal circle 3-1 forms the first resealing in outer bolt and the lumen of valve body 1 under pressure medium effect, and protects V-type
Nonmetallic sealing ring 3-2 is allowed to damage from the corrosion of excessive pressure and medium.The nonmetallic sealing ring 3-2 of V-type is born
The even distributed force that triangle metal circle 3-1 is transmitted, is uniformly compressed and cuts the tight inwall of valve body 1 and stuffing box 2 outer wall, so as to reach
Second resealing.Differential seat angle be present in nonmetallic sealing ring 3-2 inter-modules（See Fig. 3）, nonmetallic sealing ring 3-2 and internal pressure triangle
The component inter-module adjacent thereto of quoit 3-1 contacts has 10 ° of declinate, and nonmetallic sealing ring 3-2 and internal pressure three
Angled metal circle 3-1 contact component angle it is big, can so ensure pipeline vibrations or the unstable lumen of internal pressure have it is negative
When pressure produces, decrement and compression direction can be voluntarily adjusted, so as to reach triple seal.It ensure that high pressure, high temperature heavy caliber
The sealing reliability of valve.The internal pressure triangle metal circle 3-1 sections are triangular structure of right angle, and on one right-angle side
Provided with half slot, reduce initial sealing power.
Claims (3)
1. a kind of combined type V-type self-tightening seal ring, including valve body and stuffing box, it is characterised in that：The valve body（1）With stuffing box
（2）Between be provided with combined type V-type self-tightening seal ring（3）；The combined type V-type self-tightening seal ring（3）Mainly include internal pressure triangle
Shape quoit（3-1）With the nonmetallic sealing ring of internal pressure V-type（3-2）；The internal pressure triangle metal circle（3-1）Close to valve body middle chamber
Side, and the nonmetallic sealing ring of internal pressure V-type（3-2）Installed in internal pressure triangle metal circle（3-1）Top.
A kind of 2. combined type V-type self-tightening seal ring according to claim 1, it is characterised in that:The nonmetallic sealing ring
（3-2）Differential seat angle be present in inter-module.
A kind of 3. combined type V-type self-tightening seal ring according to claim 2, it is characterised in that：The internal pressure triangle gold
Category circle（3-1）Section is triangular structure of right angle, and half slot is provided with one right-angle side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621275591.4U CN206816818U (en) | 2016-11-25 | 2016-11-25 | A kind of combined type V-type self-tightening seal ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621275591.4U CN206816818U (en) | 2016-11-25 | 2016-11-25 | A kind of combined type V-type self-tightening seal ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206816818U true CN206816818U (en) | 2017-12-29 |
Family
ID=60750568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621275591.4U Active CN206816818U (en) | 2016-11-25 | 2016-11-25 | A kind of combined type V-type self-tightening seal ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206816818U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798613A (en) * | 2018-06-28 | 2018-11-13 | 中国海洋石油集团有限公司 | A kind of sealing structure for Intelligent well underground flow controller |
-
2016
- 2016-11-25 CN CN201621275591.4U patent/CN206816818U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798613A (en) * | 2018-06-28 | 2018-11-13 | 中国海洋石油集团有限公司 | A kind of sealing structure for Intelligent well underground flow controller |
| CN108798613B (en) * | 2018-06-28 | 2020-11-24 | 中国海洋石油集团有限公司 | Sealing structure for intelligent underground flow controller |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |