CN206563088U - High temperature valve seat - Google Patents
High temperature valve seat Download PDFInfo
- Publication number
- CN206563088U CN206563088U CN201620854794.2U CN201620854794U CN206563088U CN 206563088 U CN206563088 U CN 206563088U CN 201620854794 U CN201620854794 U CN 201620854794U CN 206563088 U CN206563088 U CN 206563088U
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- CN
- China
- Prior art keywords
- valve seat
- high temperature
- bushing
- temperature valve
- interior annular
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Abstract
A kind of high temperature valve seat, it is arranged in valve body, it is characterized in that, including in I-shaped bushing (1), described bushing (1) includes interior annular (2), described interior annular (2) is provided with the mounting structure (3) for being used for installing valve plate, the both sides of described interior annular (2) turn edge (4) provided with first, described bushing (1) periphery is provided with outer ring (5), is fixedly connected between described bushing (1) and outer ring (5).The utility model advantage is：1st, design more reasonable, chemical stability is good, with good resistance to corrosion and heat-resisting cold-resistant and wearability.2nd, by grasping mechanism, structure is more stablized, and is unlikely to deform, increases the service life.
Description
Technical field
The utility model belongs to valve technology field, more particularly to a kind of high temperature valve seat.
Background technology
Valve seat is detachable face component in valve, for supporting valve element closed positions, and constitutes sealing pair.General valve seat is straight
Footpath is valve maximum flow diameter.Such as the valve seat material of butterfly valve is widely, all kinds of rubber, plastics, metal material is equal
Can be as valve seat material, such as：EPDM, NBR, NR, PTFE, PEEK, PFA, SS315, STELLITE etc..Valve seat bush is system
Into one of valve seat critical piece, the performance of bushing determines the quality of valve seat, and existing valve seat is when being chronically at high temperature, anti-corruption
Corrosion is deteriorated, and is easily deformed simultaneously, influences the sealing of valve seat.In order to solve the problem of prior art is present, people are carried out
Long-term exploration, it is proposed that miscellaneous solution.
For example, Chinese patent literature discloses a kind of high leakproofness valve seat, [application number：201310631397.X] include valve
Seat, hard sealed valve body, gland and the first sealing ring, hard sealed valve body are arranged on the inside of valve seat, are integrally formed with valve seat, gland is set
Put on the outside of valve seat, the contact site of the first sealing ring and hard sealed valve body is provided with annular projection, hard sealed valve body and valve seat
Connecting portion be provided with annular recess, the second sealing ring coordinated with it is provided with annular recess.The beneficial effect of the invention
Fruit is that the valve seat of the technical scheme is adapted to the harsh and unforgiving environments such as high temperature, high pressure, strong with weight bearing power, is difficult leakage, tears open
Unload, it is easy to maintenance, sealing ring is repeatable to be utilized, the features such as service life is long.
Above-mentioned scheme improves the subproblem of prior art to a certain extent, still, and the program is also at least present
Following defect：Stability is poor, the technical problem being easily deformed of being broken out after long-term use.
Utility model content
The purpose of this utility model be in view of the above-mentioned problems, to provide a kind of design more reasonable, still have under hot environment compared with
Good corrosion resistance, it is not easy to the high temperature valve seat of deformation.
To reach above-mentioned purpose, the utility model employs following technical proposal：This high temperature valve seat is arranged in valve body, its
It is characterised by, including in I-shaped bushing, described bushing includes interior annular, and described interior annular, which is provided with, to be used to install valve
The mounting structure of plate, the both sides of described interior annular turn edge provided with first, and described bushing periphery is provided with outer ring, described bushing
It is fixedly connected between outer ring.
In above-mentioned high temperature valve seat, described mounting structure includes the first through hole being arranged in interior annular, described
The outside of interior annular be provided with along first through hole it is circumferentially distributed second turn edge and the described second inner diameter turned edge be more than it is outer
Hold diameter and in throat structure from the inside to the outside.
In above-mentioned high temperature valve seat, described first through hole is two and is correspondingly arranged.
In above-mentioned high temperature valve seat, the inner side of described interior annular is provided with along the circumferentially distributed rib of first through hole.
In above-mentioned high temperature valve seat, described interior annular and first is provided with annular spigot surface between turning edge.
In above-mentioned high temperature valve seat, described outer ring includes being arranged at the outer toroid of interior annular periphery, and described is cylindrical
Ring both sides turn edge provided with the 3rd, and the described 3rd turns edge provided with promptly structure.
In above-mentioned high temperature valve seat, described promptly structure include being arranged at the 3rd turn edge on in-flanges.
In above-mentioned high temperature valve seat, the described 3rd turns edge provided with flanging, and described flanging turns edge with first
Side flush.
In above-mentioned high temperature valve seat, described outer toroid is provided with the second through hole corresponding with first through hole.
In above-mentioned high temperature valve seat, described described bushing is made up of polytetrafluoroethylene (PTFE), and described outer ring is by ternary
EP rubbers is made.
Compared with prior art, the advantage of this high temperature valve seat is：1st, design more reasonable, chemical stability is good, has
Good resistance to corrosion and heat-resisting cold-resistant and wearability.2nd, by grasping mechanism, structure is more stablized, and is unlikely to deform, prolongs
Long life.
Brief description of the drawings
Fig. 1 is the structural representation for the bushing that the utility model is provided.
Fig. 2 is the structural representation for the valve seat that the utility model is provided.
Fig. 3 is the structure sectional view for the valve seat that the utility model is provided.
Fig. 4 is the structure sectional view at another visual angle of valve seat that the utility model is provided.
Fig. 5 is the structure sectional view of the valve seat for the embodiment 2 that the utility model is provided.
In figure, bushing 1, interior annular 2, mounting structure 3, first turn edge 4, outer ring 5, first through hole 6, second turn edge 7, reinforcement
Portion 8, annular spigot surface 9, outer toroid the 10, the 3rd turn edge 11, promptly structure 12, in-flanges 13, flanging 14, the second through hole 15,
Limiting section 16.
Embodiment
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
As Figure 1-4, this high temperature valve seat includes being arranged in valve body, including in I-shaped bushing 1, bushing 1 includes
Interior annular 2, bushing 1 is made up of polytetrafluoroethylene (PTFE), and interior annular 2 is provided with the mounting structure 3 for being used for installing valve plate, in interior annular 2
Both sides turn edge 4 provided with first, the periphery of bushing 1 is provided with outer ring 5, is fixedly connected between bushing 1 and outer ring 5.
Specifically, mounting structure 3 includes being arranged at first through hole 6 in interior annular 2, first through hole 6 is two and correspondingly
Set, the outside of interior annular 2 be provided with along first through hole 6 it is circumferentially distributed second turn edge 7 and second turn edge 7 inner diameter be more than
Outer diameter and in throat structure from the inside to the outside.When valve plate is installed, the rotating shaft of valve plate is arranged on valve body through first through hole 6
On, while the second throat structure for turning edge 7 outer ends strengthens the sealing between valve plate and axle sleeve.Set in the inner side of interior annular 2
Have along the circumferentially distributed rib 8 of first through hole 6, after valve plate is used for a long time, abrasion easily caused to the inner of first through hole 6,
Extend the service life of bushing by rib.
Prioritization scheme, turns edge between 4 provided with annular spigot surface 9 in interior annular 2 and first, when valve plate is rotated, passes through annular
Spigot surface 9 enables valve plate to progress into interior annular 2 so that the process that valve plate is rotated is more smooth.
In addition, above-mentioned described outer ring 5 is made up of ethylene propylene diene rubber, the outer ring 5 includes being arranged at the periphery of interior annular 2
Outer toroid 10, outer toroid 10 is provided with second through hole 15 corresponding with first through hole 6, and the both sides of outer toroid 10 turn edge provided with the 3rd
11, the 3rd, which turns edge, 11 turns edge with first and 4 is close to, and is turned edge the 3rd on 11 provided with promptly structure 12, and promptly structure includes being arranged at
3rd turns edge the in-flanges 13 on 11, bushing can be avoided to deform by in-flanges 13, is provided with the 3rd turn edge 11 opposite side
Flanging 14, flanging 14 is flushed with the first turn edge 4 side.
Embodiment 2
The structure and operation principle of the present embodiment are substantially the same manner as Example 1, and difference is, as shown in figure 5, inside
Flange 13 is provided with limiting section, and by limiting section 16, further effect is firmly grasped in lifting, prevents bushing from deforming, limiting section is triangular in shape
Shape, naturally it is also possible to be that other have the structure of limit function.
This high temperature valve seat is made up of bushing and outer ring, and bushing 1 is made up of polytetrafluoroethylene (PTFE), with antiacid alkali resistant, anti-various
The characteristics of organic solvent, all solvents are practically insoluble in, bushing 1 is provided with annular guide plate, is easy to valve plate to rotate, meanwhile,
Polytetrafluoroethylene (PTFE) has resistant to elevated temperatures feature, and coefficient of friction is extremely low, is provided with outer ring in the periphery of bushing 1, outer ring 5 is by EPDM
Rubber is made, with preferable corrosion resistance, while can use under the high temperature conditions for a long time, support is provided for bushing, it is ensured that
The sealing of valve plate, while having certain elasticity, when valve plate is rotated, the friction between reduction and bushing, extension uses the longevity
Life, turn edge is set on bushing, effectively prevents bushing from deforming.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although more having used bushing 1, interior annular 2, mounting structure 3, first to turn edge 4, outer ring 5, first through hole herein
6th, second turn edge 7, rib 8, annular spigot surface 9, outer toroid the 10, the 3rd turn edge 11, promptly structure 12, in-flanges 13, turn up
The terms such as side 14, the second through hole 15, limiting section 16, but it is not precluded from the possibility using other terms.Using these terms only
Merely to more easily describing and explaining essence of the present utility model；Being construed as any additional limitation is all
Disagreed with the utility model spirit.
Claims (10)
1. a kind of high temperature valve seat, is arranged in valve body, it is characterised in that including in I-shaped bushing (1), described bushing
(1) interior annular (2) is included, described interior annular (2) is provided with the mounting structure (3) for being used for installing valve plate, described interior annular
(2) both sides turn edge (4) provided with first, and described bushing (1) periphery is provided with outer ring (5), described bushing (1) and outer ring (5)
Between be fixedly connected.
2. high temperature valve seat according to claim 1, it is characterised in that described mounting structure (3) includes being arranged at inner circle
First through hole (6) on ring (2), the outside of described interior annular (2) is provided with along first through hole (6) is circumferentially distributed and second turned edge
And the described second inner diameter for turning edge (7) is more than outer diameter and in throat structure from the inside to the outside (7).
3. high temperature valve seat according to claim 2, it is characterised in that described first through hole (6) is two and correspondingly set
Put.
4. the high temperature valve seat according to Claims 2 or 3, it is characterised in that the inner side of described interior annular (2) is provided with along the
The circumferentially distributed rib (8) of one through hole (6).
5. the high temperature valve seat according to claim 1 or 2 or 3, it is characterised in that described interior annular (2) turns edge with first
(4) provided with annular spigot surface (9) between.
6. the high temperature valve seat according to claim 1 or 2 or 3, it is characterised in that described outer ring (5) is interior including being arranged at
The outer toroid (10) of annulus (2) periphery, described outer toroid (10) both sides turn edge (11) provided with the 3rd, and the described 3rd turns edge
(11) provided with promptly structure (12).
7. high temperature valve seat according to claim 6, it is characterised in that described promptly structure turns edge including being arranged at the 3rd
(11) in-flanges (13) on.
8. high temperature valve seat according to claim 6, it is characterised in that described the 3rd turns edge (11) provided with flanging
(14), turned edge with first side of (4) of described flanging (14) is flushed.
9. high temperature valve seat according to claim 6, it is characterised in that described outer toroid (10) is provided with and first through hole
(6) corresponding second through hole (15).
10. high temperature valve seat according to claim 6, it is characterised in that described described bushing (1) is by polytetrafluoroethylene (PTFE)
It is made, described outer ring (5) is made up of ethylene propylene diene rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620854794.2U CN206563088U (en) | 2016-08-09 | 2016-08-09 | High temperature valve seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620854794.2U CN206563088U (en) | 2016-08-09 | 2016-08-09 | High temperature valve seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206563088U true CN206563088U (en) | 2017-10-17 |
Family
ID=60029625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620854794.2U Active CN206563088U (en) | 2016-08-09 | 2016-08-09 | High temperature valve seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206563088U (en) |
-
2016
- 2016-08-09 CN CN201620854794.2U patent/CN206563088U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |