CN207333787U - A kind of scraper structure valve seat - Google Patents
A kind of scraper structure valve seat Download PDFInfo
- Publication number
- CN207333787U CN207333787U CN201720961983.4U CN201720961983U CN207333787U CN 207333787 U CN207333787 U CN 207333787U CN 201720961983 U CN201720961983 U CN 201720961983U CN 207333787 U CN207333787 U CN 207333787U
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- CN
- China
- Prior art keywords
- groove
- tapering
- valve seat
- quoit
- valve
- 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
- 239000004033 plastic Substances 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 abstract description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
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- Taps Or Cocks (AREA)
Abstract
This application discloses a kind of scraper structure valve seat, it includes valve seat body, and valve seat body side has tapering, and tapering contradicts valve ball；The blade portion in tapering is arranged at, blade portion includes being surrounded on the first groove, second groove and the 3rd groove in tapering, and wherein second groove is between first groove and the 3rd groove, and close first groove；And first groove, second groove and quoit, rubber ring and the plastic ring of the 3rd groove are embedded in respectively；And spring of the valve seat body with respect to tapering opposite side is arranged at, spring only supports valve body.The utility model is cooperated using quoit, rubber ring and plastic ring, there is provided multilayer protection sealing；Quoit, rubber ring and plastic ring are fitted together to respectively using multiple grooves at the same time, and stability is good.
Description
Technical field
The application belongs to valve technology field, specifically, is related to a kind of scraper structure valve seat.
Background technology
Ball valve is a kind of with full-bore, the valve of low flow resistance characteristic, is very suitable for as remote pipeline valve, is a kind of
A valve new varieties with fastest developing speed in the past 50 years.The industries such as global energy, chemical industry are equalling the demand of pipeline ball-valve always
Steady to increase, especially as the China of the world's second-biggest economy, it is in oil, natural gas and chemical engineering industry, urban construction etc.
The rapid development of industry, pipeline ball-valve welcome unlimited development and the market opportunity as one of key equipment in engineering.
Oil, natural gas, chemical industry and the energy account for more than the 70% of valve demand, with the continuous development of oil and natural gas
Exemplified by the demand of change, its demand is concentrated mainly on metal sealing, prevents " explosive decompression ", is anticorrosive, fly fugacity discharge, shift to an earlier date
The aspect of performance such as abrasion and equipment fatigue, preventive maintenance.Natural gas transportation pipeline engineering is one non-for pipeline ball-valve
Normal huge and potential market, long-distance transport pipes require the wall thickness of valve as far as possible thin, valve material have very high surrender toughness,
Corrosion resistance, is stretched with adapting to pipeline, turned to, the requirement of area surroundings change, more important point is the management of long-distance transport pipes
Person requires the life of valve of purchase to have to be longer than the service life of pipeline in itself.
These demands, not only propose very high to valve and dependency structure but also to valve seat manufacturing process technology level
It is required that although current ball valve has significant progress in leakproofness, it is between valve seat and valve body to set sealing ring progress soft more
Sealing, and sealing ring is adjusted by plug-in unit between valve seat and valve ball, but plug-in unit can only play one layer of protection at present,
And be also easy between each other there are gap, once damage, replacement is fairly cumbersome, can only ensure in short-term close with the position of sphere-contact
Feng Xing.Therefore, solve the problems, such as between ball valve valve ball and valve seat that leakproofness is bad to be just particularly important.
Utility model content
In view of this, technical problems to be solved in this application there is provided a kind of scraper structure valve seat, by tapering
Set blade portion to contradict valve ball, avoid the trouble of seat leakage difference.
In order to solve the above-mentioned technical problem, this application discloses a kind of scraper structure valve seat, it includes valve seat body, valve seat
Body side has tapering, and tapering contradicts valve ball；The blade portion in tapering is arranged at, blade portion includes the first ditch for being surrounded on tapering
Groove, second groove and the 3rd groove, wherein second groove are between first groove and the 3rd groove, and close first groove；
And first groove, second groove and quoit, rubber ring and the plastic ring of the 3rd groove are embedded in respectively；And it is arranged at valve seat
For body with respect to the spring of tapering opposite side, spring, which stops, supports valve body.
According to one embodiment of the utility model, wherein above-mentioned second groove is arranged to triangular shape, first groove and the 3rd
Groove is arranged to orthogonal strip.
According to one embodiment of the utility model, wherein to protrude tapering respectively pre- for above-mentioned quoit, rubber ring and plastic ring
Set a distance, and rubber ring protrusion distance is more than quoit protrusion distance and is more than plastic ring protrusion distance.
According to one embodiment of the utility model, wherein above-mentioned quoit is partly parallel to tapering with plastic ring protrusion tapering
The conical surface, rubber ring protrusion tapering part rounded corner, and side contradict quoit.
According to one embodiment of the utility model, further include and be arranged at valve seat body and the only O-ring to valve body.
Compared with prior art, the application can be obtained including following technique effect：
1）Cooperated using quoit, rubber ring and plastic ring, there is provided multilayer protection sealing.
2）Quoit, rubber ring and plastic ring are fitted together to respectively using multiple grooves, and stability is good.
Certainly, implementing any product of the application must be not necessarily required to reach all the above technique effect at the same time.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding of the present application, forms the part of the application, this Shen
Schematic description and description please is used to explain the application, does not form the improper restriction to the application.In the accompanying drawings：
Fig. 1 is the scraper structure valve seat profile of the embodiment of the present application；
Fig. 2 is the blade portion schematic diagram of the embodiment of the present application.
Reference numeral
Valve seat body 10, tapering 11, blade portion 20, first groove 21, second groove 22, the 3rd groove 23, quoit 24,
Rubber ring 25, plastic ring 26, spring 30, O-ring 40, fillet R.
Embodiment
Presently filed embodiment is described in detail below in conjunction with accompanying drawings and embodiments, and thereby how the application is applied
Technological means solves technical problem and reaches the process of realizing of technical effect to fully understand and according to this implement.
Please also refer to Fig. 1 and Fig. 2, Fig. 1 is the scraper structure valve seat profile of the embodiment of the present application；Fig. 2 is the application
The blade portion schematic diagram of embodiment.As shown in the figure, a kind of scraper structure valve seat includes valve seat body 10,10 side of valve seat body tool
There is tapering 11, tapering 11 contradicts valve ball（Do not illustrate）；The blade portion 20 in tapering 11 is arranged at, blade portion 20 includes being surrounded on tapering
11 first groove 21,22 and the 3rd groove 23 of second groove, wherein second groove 22 are located at 21 and the 3rd groove of first groove
23 between, and close to first groove 21；And first groove 21, the quoit of 22 and the 3rd groove 23 of second groove are embedded in respectively
24th, rubber ring 25 and plastic ring 26；And spring 30 of the valve seat body 10 with respect to 11 opposite side of tapering is arranged at, spring 30 only supports
Valve body（Do not illustrate）.In one embodiment of the utility model, valve seat body 10 only supports valve ball using tapering 11, forms sealing
Pair, blade portion 20 use fully support and contradict valve ball, improve stability, ensure leakproofness.Spring 30 only supports valve body, has protection
Supporting role, avoids 10 pressure of valve seat body is excessive from producing damage, causes the leakage of pipeline.
Specifically, second groove 22 is arranged to triangular shape to blade portion 20, and first groove 21 is arranged to the 3rd groove 23
Orthogonal strip.In one embodiment of the utility model, the second groove 22 of triangular shape can preferably engage rubber
Cushion rubber 25, avoids rubber ring 25 made of elastomeric material from deforming and offset out second groove 22, keeps stability.And strip
The first groove 21 of shape and the small quoit 24 of 23 chimeric relative deformation coefficient of the 3rd groove and plastic ring 26, simple in structure, side
Just install, replace also relatively lighter.
It is to be understood that quoit 24, rubber ring 25 protrude 11 preset distance of tapering, and rubber respectively with plastic ring 26
The protrusion of circle 25 distance is more than plastic ring 26 more than the protrusion distance of quoit 24 and protrudes distance.Thus one, rubber ring 25 just can be first
Valve ball is first contradicted, is tentatively sealed, and in addition the quoit 24 of both sides can be prevented in the institute of valve seat body 10 with plastic ring 26
Be stressed larger, rubber ring 24 deform it is excessive in the case of, effectively only prop up valve ball, on the one hand form secondary seal, ensure that
Sealing performance；On the other hand also support protects valve seat body 10, simple in structure, easy to use.
In addition, quoit 24 is partly parallel to the conical surface in tapering 11 with the protrusion of plastic ring 26 tapering 11, rubber ring 25 protrudes
11 part rounded corner R of tapering, and side contradicts quoit 24.Thus one, quoit 24 with plastic ring 26 is convenient contradicts valve ball,
And the fillet R of rubber ring 25 is fully bonded, avoid causing gap, influence leakproofness, it is simple and practical.
It is noted that the utility model, which further includes, is arranged at valve seat body 10 and the only O-ring 40 to valve body, in valve
When seat body 10 connects valve body, both mutually compress O-ring 40, also ensure that mutual leakproofness, further carry
Security and stability during high valve use.
Some preferred embodiments of the application have shown and described in described above, but as previously described, it should be understood that the application
Be not limited to form disclosed herein, be not to be taken as the exclusion to other embodiment, and available for various other combinations,
Modification and environment, and above-mentioned teaching or the technology or knowledge of association area can be passed through in application contemplated scope described herein
It is modified., then all should be in this Shen and changes and modifications made by those skilled in the art do not depart from spirit and scope
Please be in the protection domain of appended claims.
Claims (5)
- A kind of 1. scraper structure valve seat, it is characterised in that including：Valve seat body, the valve seat body side have tapering, and the tapering contradicts valve ball；Be arranged at the blade portion in the tapering, the blade portion include being surrounded on the first groove in the tapering, second groove and 3rd groove, wherein the second groove is between the first groove and the 3rd groove, and close to first ditch Groove；And the first groove, second groove and quoit, rubber ring and the plastic ring of the 3rd groove are embedded in respectively；AndThe spring of the relatively described tapering opposite side of the valve seat body is arranged at, the spring only supports valve body.
- 2. scraper structure valve seat according to claim 1, it is characterised in that wherein described second groove is arranged to triangle Shape, the first groove are arranged to orthogonal strip with the 3rd groove.
- 3. scraper structure valve seat according to claim 1, it is characterised in that wherein described quoit, the rubber ring with The plastic ring protrudes the tapering preset distance respectively, and rubber ring protrusion distance is more than quoit protrusion distance Distance is protruded more than the plastic ring.
- 4. scraper structure valve seat according to claim 3, it is characterised in that wherein described quoit and the plastic ring are convex Go out the conical surface that the tapering is partly parallel to the tapering, the rubber ring protrudes tapering part rounded corner, and side is supported Touch the quoit.
- 5. scraper structure valve seat according to claim 1, it is characterised in that further include and be arranged at the valve seat body and stop O-ring to the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720961983.4U CN207333787U (en) | 2017-08-03 | 2017-08-03 | A kind of scraper structure valve seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720961983.4U CN207333787U (en) | 2017-08-03 | 2017-08-03 | A kind of scraper structure valve seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207333787U true CN207333787U (en) | 2018-05-08 |
Family
ID=62378294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720961983.4U Expired - Fee Related CN207333787U (en) | 2017-08-03 | 2017-08-03 | A kind of scraper structure valve seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207333787U (en) |
-
2017
- 2017-08-03 CN CN201720961983.4U patent/CN207333787U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20210803 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |