CN208311521U - A kind of adaptive valve seat construction of high/low temperature and the ball valve for being equipped with the valve seat construction - Google Patents
A kind of adaptive valve seat construction of high/low temperature and the ball valve for being equipped with the valve seat construction Download PDFInfo
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- CN208311521U CN208311521U CN201820464243.4U CN201820464243U CN208311521U CN 208311521 U CN208311521 U CN 208311521U CN 201820464243 U CN201820464243 U CN 201820464243U CN 208311521 U CN208311521 U CN 208311521U
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- valve seat
- valve
- sphere
- support ring
- seat support
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- 238000010276 construction Methods 0.000 title claims abstract description 27
- 230000003044 adaptive effect Effects 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 47
- 230000009471 action Effects 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 3
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims description 3
- 238000002386 leaching Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 229920002493 poly(chlorotrifluoroethylene) Polymers 0.000 claims description 3
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 claims description 3
- 229920002530 polyetherether ketone Polymers 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 239000003949 liquefied natural gas Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model relates to a kind of adaptive valve seat construction of high/low temperature and the ball valve of the valve seat construction is installed, including valve body, sphere and valve component, valve component is set between valve body and sphere, and valve component includes valve seat support ring, deformable seal piece, spring base, spring and threaded block；Valve seat support ring and spring base are set between sphere and valve body, and under the action of the spring, valve seat support ring and ball seal cooperate；Valve seat support ring is affixed relative to the inner-diameter end of the other end and deformable seal piece of sphere, and threaded block is sleeved in valve seat support ring, and deformable seal piece and valve seal cooperate under the action of threaded block.Valve seat support ring is to be connected as one with deformable seal piece inner radius in the utility model, deformable seal piece auto Deformation under the action of axial thrust；Push valve seat support ring to sphere under the action of the spring, allow valve seat support ring automatic displacement to guarantee that sealing surface is affixed to sphere spherical surface, allows valve seat to can ignore that the deformation of temperature influences, to adapt to different temperatures.
Description
Technical field
The utility model relates to valve technology field more particularly to a kind of adaptive valve seat construction of high/low temperature and this is installed
The ball valve of valve seat construction.
Background technique
Ball valve has many advantages, such as that 90 ° of high-speed switches, flow resistances are small, frequently as the cutting device in pipeline.With coal chemical industry, oil
The continuous development of the industries such as product upgrading, liquefied natural gas changes other than room temperature valve demand in high temperature, low temperature or high/low temperature
Operating condition to valve, more stringent requirements are proposed.
Room temperature ball valve base structure generallys use nonmetallic rubber seal, and rubber bodies have preferable elasticity, under room temperature
Be easily achieved sealing, but the usual non-refractory of ordinary rubber and low temperature, be easily damaged under high temperature, will follow the string under low temperature and
Vitrifying is to become brittle.High temperature valve generallys use graphite packing sealing resistant to high temperatures, but its sealing performance is to enclosed watch
The requirement in face is very high, and reliability is lower, and graphite packing elasticity is insufficient at low temperature, cannot be real if losing lasting pre- outer load
Now seal.Low temperature and ultra-low temperature ball valve generally use LipSeal lip-type packing sealing, and low temperature makees the hardening of nonmetallic materials
With the difficulty that will greatly improve LipSeal sealing, surface requirements are high, and manufacture difficulty is big, seal stability and reliability is to work as
The a great problem of modern valve industry, and the nonmetallic sealed jacket of LipSeal also allows it to be not useable for worst hot case.
Utility model content
The utility model is intended to provide the adaptive valve seat construction of high/low temperature and is equipped with the ball valve of the valve seat construction, can be simultaneously
Meet the operating condition of high temperature and low temperature.
In order to achieve the above objectives, the technical solution adopted in the utility model is as follows:
A kind of adaptive valve seat construction of high/low temperature, including valve body, sphere and valve component, the valve component are set to valve body
Between sphere, valve component and valve body and ball seal cooperate, and the valve component includes valve seat support ring, deformable seal
Piece, spring base, spring and threaded block；The valve seat support ring and spring base are set between sphere and valve body, valve seat support ring position
Between sphere and spring base, spring is set between spring base and valve body；Under the action of the spring, valve seat support ring and sphere are close
Envelope cooperation；
Deformable seal piece is annular, and the valve seat support ring is relative to the other end of sphere and the inner-diameter end of deformable seal piece
Affixed, the threaded block is sleeved in valve seat support ring, and the periphery of threaded block is connect with valve body screw thread, one end top of threaded block
To deformable seal piece, under the action of threaded block, deformable seal piece and valve seal cooperate.
Further, thrust bearing is equipped between the threaded block and deformable seal piece.
Further, sealing ring is equipped at the sealing surface of the deformable seal piece and valve body, sealing ring is mounted on valve body.
Preferably, sealing ring is located at deformable seal piece outer end.
Wherein, deformable seal piece and valve seat support ring welding or deformable seal piece and valve seat support ring are integrally manufactured.
It wherein, is metal sealing between sphere and valve seat support ring.
Alternatively, plug-in unit is arranged between sphere and valve seat support ring forms nonmetallic sealing.
Further, the material of plug-in unit is PEEK or PCTFE or leaching metal material.
Further, spring base outer end is equipped with the fabrication hole for stirring rotation.
A kind of ball valve further includes valve rod other than including the adaptive valve seat construction of above-mentioned high/low temperature, the valve rod and sphere
Connection.
Compared with prior art, the utility model has the following beneficial effects:
1. deformable diaphragm seal is arranged in the utility model, valve seat support ring and deformable seal piece inner radius are to be connected as one
Body structure, deformable seal piece is relatively thin, can under the action of axial thrust auto Deformation；Spring base is set, one group of spring is packed into
In spring base, push spring base and valve seat support ring to sphere under the action of the spring, allows valve seat support ring automatic displacement to protect
Card sealing surface of seat is affixed to ball seal face, allows valve seat to can ignore that the deformation of temperature influences, to adapt to the variation of different temperatures；
2. being set as fixing seal at the outer circle of deformable seal piece, deformable seal piece and valve body are compressed by threaded block, spiral shell
Line seat is an integral structure, and thrust interface is continuous circular shape contact surface, to guarantee the entire outer circle of deformable seal piece equably
It is pressed on valve body and sealing ring；
3. the utility model reduces leakage face quantity when sealing between valve seat and valve body, it is reduced to together by twice；It will
Sealing means between valve seat and valve body are changed to compound sealing structure by single sealing, which is utilized metal
Rigid and nonmetallic compressibility makes valve seat that can realize fabulous sealing when high temperature and low temperature or high/low temperature change, solves
The problem of conventional high temperature or low temperature valve seat construction poor reliability, while reducing the processing and manufacturing difficulty of sealing surface.
4. the structure of integral type threaded block and sliding end thrust bearing is rubbed and is protected to reduce when threaded block screws
Shield deformable seal piece is not scratched, and is wrenched threaded block by switching tooling, to deformable seal piece be directly born against compound close
It is easy to operate on seal structure, sealed reliable.
Detailed description of the invention
Fig. 1 be the adaptive valve seat construction of high/low temperature be nonmetallic sealing when structural schematic diagram；
Fig. 2 be the adaptive valve seat construction of high/low temperature be metal sealing when structural schematic diagram；
Fig. 3 is the structural schematic diagram of ball valve；
In figure: 1- sphere, 2- valve component, 3- plug-in unit, 4- valve seat support ring, 5- deformable seal piece, 6- spring base, 7- bullet
Spring, 8- valve body, 9- sealing ring, 10- thrust bearing, 11- threaded block, 12- valve rod.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing, to this reality
It is further elaborated with novel.
As shown in Figure 1, 2, the adaptive valve seat construction of high/low temperature disclosed by the utility model, including valve body 8, sphere 1 and valve
Holder assembly 2, valve component 2 are set between valve body 8 and sphere 1, and valve component 2 cooperates with valve body 8 and the sealing of sphere 1, valve seat group
Sealing is realized by ball seal face and with the sealing surface of seat being bonded between part 2 and sphere 1.Valve component 2 is supported including valve seat
Circle 4, deformable seal piece 5, spring base 6, spring 7 and threaded block 11；Valve seat support ring 4 and spring base 6 are set to sphere 1 and valve body 8
Between, valve seat support ring 4 is between sphere 1 and spring base 6.Deformable seal piece 5 is annular, and valve seat support ring 4 is relative to ball
The other end of body 1 and the inner-diameter end of deformable seal piece 5 are affixed, realize its integral structure so as to avoid leakage, evade
The leakage possibility of conventional hermetic circle, deformable seal piece 5 and valve seat support ring 4 are welded or integrally manufactured.
Threaded block 11 is sleeved in valve seat support ring 4, and the periphery of threaded block 11 is threadedly coupled with valve body 8, threaded block 11
One end push up to deformable seal piece 5, under the action of threaded block 11, deformable seal piece 5 and valve body 8 sealing cooperate.
As shown in Figure 1, 2, spring base 6 is set between deformable seal piece 5 and valve body 8, and processed springs hole in spring base 6 will
Spring 7 is installed to the spring eye of spring base, under spring force 7 push the spring seat 6 of spring, and spring base 6 pushes deformation close
Mounting 5 and valve seat support ring 4, to make sealing surface of seat be bonded with the holding of ball seal face and seal.As shown in Fig. 2, sphere 1
It can diameter metal sealing between valve seat support ring 4.Alternatively, being inserted as shown in Figure 1, being arranged between sphere 1 and valve seat support ring 4
Part 3 forms nonmetallic sealing, and the material of plug-in unit 3 selects PEEK or PCTFE or leaching metal material to adapt to difference according to applying working condition
Temperature range.
Thrust bearing 10 is equipped between threaded block 11 and deformable seal piece 5.One group of technique is arranged in the outer end of threaded block 11
Hole, stress when for stirring rotation are inserted by the bolt of tooling, are stirred rotation threaded block 11 and are pushed ahead, threaded block
11 are not directly contacted with deformable seal piece 5, and centre is played a transition role with thrust bearing 10, so as to avoid threaded block 11 and deformation
Diaphragm seal 5 is directly contacted and is scratched.Threaded block 11 is the structure of an entirety, enables thrust when on deformable seal piece 5
Enough uniform forces, to guarantee the sealing between deformable seal piece 5 and valve body 8.
Sealing ring 9 is equipped at the sealing surface of deformable seal piece 5 and valve body 8, one section of sealing plane of setting on valve body 8, and
Nonmetallic sealing ring 9 is arranged in the center of sealing plane again.At 5 outer diameter of deformable seal piece simultaneously between sealing ring 9 and valve body 8
Sealing surface is set, under the screwing of threaded block 11, by thrust bearing 10 by deformable seal piece 5 and 8 sealing plane of valve body and close
Seal ring 9 compresses simultaneously, realizes close metal and nonmetallic compound seal.The outer end of deformable seal piece 5 is fixing seal structure,
Inner-diameter end and valve seat support ring 4 are affixed, and deformable seal piece 5 realizes it with valve seat support ring 4 along runner side by the deformation of itself
Upward free floating.
A kind of ball valve, as shown in figure 3, the ball valve is other than including the adaptive valve seat construction of above-mentioned high/low temperature, it further include valve
Bar 12, valve rod 12 are connect with sphere 1.
The utility model can be suitable for the extreme operating condition that high temperature, low temperature, high/low temperature change simultaneously, solve conventional high temperature ball valve
It cannot be used for low temperature, the problem of Subzero valve cannot be used for high temperature, while also solving conventional high temperature or the valve seat of cryogenic ball valve is close
Seal the problem of reliability deficiency.
Certainly, the utility model can also have other numerous embodiments, without departing substantially from the spirit of the present invention and its essence
In the case where, those skilled in the art can make various corresponding changes and modifications, but these according to the utility model
Corresponding changes and modifications all should belong to the protection scope of the utility model the attached claims.
Claims (10)
1. a kind of adaptive valve seat construction of high/low temperature, including valve body (8), sphere (1) and valve component (2), the valve component
(2) it is set between valve body (8) and sphere (1), valve component (2) and valve body (8) and sphere (1) sealing cooperate, it is characterised in that:
The valve component (2) includes valve seat support ring (4), deformable seal piece (5), spring base (6), spring (7) and threaded block (11)；
The valve seat support ring (4) and spring base (6) are set between sphere (1) and valve body (8), and valve seat support ring (4) is located at sphere (1)
Between spring base (6), spring (7) is set between spring base (6) and valve body (8)；Under the action of spring (7), valve seat bearing
(4) and sphere (1) sealing is enclosed to cooperate；
Deformable seal piece (5) is annular, the other end and deformable seal piece (5) of the valve seat support ring (4) relative to sphere (1)
Inner-diameter end it is affixed, the threaded block (11) is sleeved on valve seat support ring (4), the periphery of threaded block (11) and valve body (8)
It being threadedly coupled, one end of threaded block (11) is pushed up to deformable seal piece (5), under the action of threaded block (11), deformable seal piece (5)
It seals and cooperates with valve body (8).
2. the adaptive valve seat construction of high/low temperature according to claim 1, it is characterised in that: the threaded block (11) and deformation
Thrust bearing (10) are equipped between diaphragm seal (5).
3. the adaptive valve seat construction of high/low temperature according to claim 1 or 2, it is characterised in that: the deformable seal piece (5)
Sealing ring (9) are equipped with at the sealing surface of valve body (8), sealing ring (9) is mounted on valve body (8).
4. the adaptive valve seat construction of high/low temperature according to claim 3, it is characterised in that: it is close that sealing ring (9) is located at deformation
Mounting (5) outer end.
5. the adaptive valve seat construction of high/low temperature according to claim 1, it is characterised in that: deformable seal piece (5) and valve seat
Support ring (4) welding or deformable seal piece (5) and valve seat support ring (4) are integrally manufactured.
6. the adaptive valve seat construction of high/low temperature according to claim 1, it is characterised in that: sphere (1) and valve seat support ring
It (4) is metal sealing between.
7. the adaptive valve seat construction of high/low temperature according to claim 1, it is characterised in that: supported in sphere (1) and valve seat
It encloses setting plug-in unit (3) between (4) and forms nonmetallic sealing.
8. the adaptive valve seat construction of high/low temperature according to claim 7, it is characterised in that: the material of plug-in unit (3) is PEEK
PCTFE or leaching metal material.
9. the adaptive valve seat construction of high/low temperature according to claim 1, it is characterised in that: spring base (6) outer end, which is equipped with, to be used
In the fabrication hole for stirring rotation.
10. being equipped with the ball valve of valve seat construction described in any one of claim 1-9 claim, it is characterised in that: also wrap
It includes valve rod (12), the valve rod (12) connect with sphere (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820464243.4U CN208311521U (en) | 2018-04-03 | 2018-04-03 | A kind of adaptive valve seat construction of high/low temperature and the ball valve for being equipped with the valve seat construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820464243.4U CN208311521U (en) | 2018-04-03 | 2018-04-03 | A kind of adaptive valve seat construction of high/low temperature and the ball valve for being equipped with the valve seat construction |
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| Publication Number | Publication Date |
|---|---|
| CN208311521U true CN208311521U (en) | 2019-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820464243.4U Active CN208311521U (en) | 2018-04-03 | 2018-04-03 | A kind of adaptive valve seat construction of high/low temperature and the ball valve for being equipped with the valve seat construction |
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| Country | Link |
|---|---|
| CN (1) | CN208311521U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331936A (en) * | 2018-04-03 | 2018-07-27 | 成都成高阀门有限公司 | A kind of adaptive valve seat construction of high/low temperature and the ball valve for being equipped with the valve seat construction |
-
2018
- 2018-04-03 CN CN201820464243.4U patent/CN208311521U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331936A (en) * | 2018-04-03 | 2018-07-27 | 成都成高阀门有限公司 | A kind of adaptive valve seat construction of high/low temperature and the ball valve for being equipped with the valve seat construction |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 67, Section 1, Xueshan Avenue, Dayi County, Chengdu City, Sichuan Province, 611330 Patentee after: Chengdu Chenggao Valve Co.,Ltd. Patentee after: CHENGDU CHENGFENG VALVE Co.,Ltd. Address before: 610000 Industrial Road, Jinyuan Town, Dayi County, Chengdu, Sichuan Patentee before: CHENGDU CHENG GAO VALVE Co.,Ltd. Patentee before: CHENGDU CHENGFENG VALVE Co.,Ltd. |