CN109027274A - A kind of bimetallic (spring cone) seal elasticity antiscour structure and its shut-off valve - Google Patents
A kind of bimetallic (spring cone) seal elasticity antiscour structure and its shut-off valve Download PDFInfo
- Publication number
- CN109027274A CN109027274A CN201710425618.6A CN201710425618A CN109027274A CN 109027274 A CN109027274 A CN 109027274A CN 201710425618 A CN201710425618 A CN 201710425618A CN 109027274 A CN109027274 A CN 109027274A
- Authority
- CN
- China
- Prior art keywords
- bimetallic
- main valve
- seal
- seat
- spring
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- F16K1/38—Valve members of conical shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
- F16K47/023—Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Details Of Valves (AREA)
Abstract
The application belongs to valve field, and in particular to a kind of bimetallic (spring cone) seal elasticity antiscour structure and its shut-off valve.A kind of bimetallic (spring cone) seal elasticity antiscour structure, including main valve seat, main valve clack, clamp nut, valve rod, wherein clamp nut is located at bottom, match in the hollow position of clamp nut with main valve clack, valve rod is set in main valve clack, main valve seat is set outside main valve clack, setting extension elongation is more than or equal to the secondary flap of main valve clack length in main valve clack periphery.The effect of the application is: the primary seal that the application limits velocity of medium using preposition elastic metallic sealing pair is increased and will wash away position and guide secondary sealing into and protect flap.Increase throttling elastic pair sealing pair (secondary flap, auxiliary-seat) on the outside of main valve clack, valve seat, and secondary sealing can carry out dismounting and change, it is simple and reliable for structure, and it is conducive to detachable maintaining.
Description
Technical field
The application belongs to valve field, and in particular to a kind of bimetallic (spring cone) seal elasticity antiscour structure and its shut-off valve.
Background technique
It is quite mature to end valve technology, is one of cutting class valve products of mainstream the most currently on the market.Cut-off
Trim generally includes: valve seat, flap and valve rod.Shut-off valve drives flap movement by valve rod, opens and closes with sealing surface of seat real
Now to the control of the cutting of medium or circulation.
Under certain High Pressure Differences, the liquid of high flow rate or gas medium operating condition, stop valve clack and valve base sealing are being closed
Or during just opening, velocity of medium increases at throttling and is directly over the sealing surface of flap and valve seat, and leads to valve
Flap valve seat suffers erosion, so that much the shut-off valve service life under this kind of operating condition is all universal partially short.
Summary of the invention
The application is in the prior art, and under High Pressure Difference, high flow rate liquid or gas medium operating condition, flap is anti-often to be rushed
Brush leads to service life shorter defect, provides a kind of bimetallic (spring cone) seal elasticity antiscour structure and its shut-off valve
Summary of the invention: a kind of shut-off valve, including valve seat, flap and valve rod, wherein the end of flap uses anti-impact brush configuration.
A kind of bimetallic (spring cone) seal elasticity antiscour structure, including main valve seat, main valve clack, clamp nut, valve rod, wherein compressing
Nut is located at bottom, matches in the hollow position of clamp nut with main valve clack, valve rod, main valve clack peripheral hardware are arranged in main valve clack
Main valve seat is set, setting extension elongation is more than or equal to the secondary flap of main valve clack length in main valve clack periphery.
A kind of a kind of bimetallic (spring cone) seal elasticity antiscour structure as described above, wherein bimetallic (spring cone) seal elasticity
Anti-impact brush configuration is provided with groove in clamp nut periphery, is arranged auxiliary-seat and elastic part in groove, the position of auxiliary-seat with
The position of secondary flap matches.
A kind of a kind of bimetallic (spring cone) seal bullet anti-impact brush configuration as described above, wherein bimetallic (spring cone) seal elastic reactance
Structure is washed away, the elastic part is spring or disc spring.
The effect of the application is: the application limits velocity of medium using preposition elastic metallic sealing pair is increased and will
Wash away the primary seal that position guides secondary sealing into and protects flap.It is (secondary to increase throttling elastic pair sealing pair on the outside of main valve clack, valve seat
Flap, auxiliary-seat), and secondary sealing can carry out dismounting and change, it is simple and reliable for structure, and it is conducive to detachable maintaining.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the shut-off valve with the application anti-impact brush configuration；
Fig. 2 is partial enlarged view when anti-impact brush configuration is closed in Fig. 1；
Fig. 3 is the partial enlarged view of anti-impact brush configuration secondary flap throttle position in Fig. 1；
Fig. 4 is partial enlarged view when anti-impact brush configuration is opened in Fig. 1.
In figure: 1. main valve seats；2. main valve clack；3. clamp nut；4. valve rod；5. secondary flap；6. auxiliary-seat；7. elasticity zero
Part.
Specific embodiment
As shown in Fig. 1, a kind of shut-off valve, including valve seat, flap and valve rod, wherein the end of flap uses antiscour knot
Structure.
As shown in attached drawing 2~4, a kind of bimetallic (spring cone) seal elasticity antiscour structure, including main valve seat 1, main valve clack 2, compression
Nut 3, valve rod 4, wherein clamp nut 3 is located at bottom, matches in the hollow position of clamp nut 3 with main valve clack 2, main valve
Valve rod 4 is set in valve 2, main valve seat 1 is set outside main valve clack 2, is more than or equal to main valve clack 2 in 2 periphery setting extension elongation of main valve clack
The secondary flap 5 of length.
A kind of bimetallic (spring cone) seal elasticity antiscour structure is provided with groove in 3 periphery of clamp nut, sets in groove
Auxiliary-seat 6 and elastic part 7 are set, the position of auxiliary-seat 6 and the position of secondary flap 5 match.
A kind of bimetallic (spring cone) seal elasticity antiscour structure, the elastic part 7 can be spring or disc spring.
The case where for medium low in and high out, during closing process, that is, intercept fluid, valve rod (part 4) drives main valve clack
It is moved down from open position close to valve seat with secondary flap, throttling is contacted first between secondary flap and auxiliary-seat, fluid rushes at this time
Erosion occurs mainly at secondary flap and valve seat, and main valve seat and flap still maintain biggish channel, and velocity of medium is slower.Continue
When closing, secondary flap is contacted with auxiliary-seat, and the spring for squeezing lower section generates certain seal pressure, due to not being to force herein
Sealing, there is a small amount of leakage, but at this time most of fluid by intercept.Fluid flow rate in this way between main valve seat and main valve clack
Lower significantly and tends to be static.It contacts main valve clack and main valve seat when valve rod continues flap is driven to move downward and generates design
When seal pressure, main valve clack and main valve seat realize forced seal.Then it is that valve rod moves upwards first in opening process, drives valve
Valve disengages main valve seat and main valve clack, and the spring of compression forms throttling, protect main valve clack and valve still by auxiliary-seat top to secondary flap
Erosion of the seat from fluid.
The structure considers service life and the replaceability of auxiliary-seat and secondary flap simultaneously.Auxiliary-seat and secondary flap pass through spring
Pretightning force is generated, since secondary flap and auxiliary-seat major responsibility are throttlings, enough surpluses of spring travel are set, it is ensured that secondary valve
Valve still can work in the case where certain abrasion or erosion.When exceeding spring predetermined amount, secondary flap can be carried out
With the replacement of auxiliary-seat.
Claims (10)
1. a kind of shut-off valve, including valve seat, flap and valve rod, it is characterised in that: wherein the end of flap uses anti-impact brush configuration.
2. a kind of bimetallic (spring cone) seal elasticity antiscour structure, including main valve seat (1), main valve clack (2), clamp nut (3), valve rod
(4), wherein clamp nut (3) is located at bottom, matches in the hollow position of clamp nut (3) with main valve clack (2), main valve clack
(2) valve rod (4) are set in, main valve seat (1) is arranged in main valve clack (2) outside, it is characterised in that: stretch out in the setting of main valve clack (2) periphery
Length is more than or equal to the secondary flap (5) of main valve clack (2) length.
3. such as a kind of bimetallic (spring cone) seal elasticity antiscour structure of claim 2, it is characterised in that: a kind of bimetallic (spring cone) seal
Elastic antiscour structure is provided with groove in clamp nut (3) periphery, and auxiliary-seat (6) and elastic part (7) are arranged in groove,
The position of auxiliary-seat (6) and the position of secondary flap (5) match.
4. such as a kind of bimetallic (spring cone) seal elasticity antiscour structure of claim 3, it is characterised in that: a kind of bimetallic (spring cone) seal
Elastic antiscour structure, the elastic part (7) is spring.
5. such as a kind of bimetallic (spring cone) seal elasticity antiscour structure of claim 3, it is characterised in that: a kind of bimetallic (spring cone) seal
Elastic antiscour structure, the elastic part (7) is disc spring.
6. such as a kind of bimetallic (spring cone) seal elasticity antiscour structure of claim 2, it is characterised in that: a kind of bimetallic (spring cone) seal
Elastic antiscour structure is provided with discontinuous groove in clamp nut (3) periphery, and auxiliary-seat (6) and elasticity are arranged in groove
Part (7), the position of auxiliary-seat (6) and the position of secondary flap (5) match.
7. such as a kind of bimetallic (spring cone) seal elasticity antiscour structure of claim 6, it is characterised in that: a kind of bimetallic (spring cone) seal
Elastic antiscour structure, the elastic part (7) is spring.
8. such as a kind of bimetallic (spring cone) seal elasticity antiscour structure of claim 6, it is characterised in that: a kind of bimetallic (spring cone) seal
Elastic antiscour structure, the elastic part (7) is disc spring.
9. such as a kind of bimetallic (spring cone) seal elasticity antiscour structure of claim 2, it is characterised in that: a kind of bimetallic (spring cone) seal
Elastic antiscour structure is equipped with protrusion in clamp nut (3) periphery, auxiliary-seat (6) and elastic part (7) is arranged in protrusion,
The position of auxiliary-seat (6) and the position of secondary flap (5) match.
10. such as a kind of bimetallic (spring cone) seal elasticity antiscour structure of claim 9, it is characterised in that: a kind of bimetallic is close
Elastic antiscour structure is sealed, the elastic part (7) is spring or disc spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710425618.6A CN109027274B (en) | 2017-06-08 | 2017-06-08 | Bimetal seal elastic anti-scouring structure and stop valve thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710425618.6A CN109027274B (en) | 2017-06-08 | 2017-06-08 | Bimetal seal elastic anti-scouring structure and stop valve thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109027274A true CN109027274A (en) | 2018-12-18 |
| CN109027274B CN109027274B (en) | 2020-03-17 |
Family
ID=64629099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710425618.6A Active CN109027274B (en) | 2017-06-08 | 2017-06-08 | Bimetal seal elastic anti-scouring structure and stop valve thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109027274B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805713A (en) * | 2019-11-26 | 2020-02-18 | 上海发电设备成套设计研究院有限责任公司 | Split type self preservation of governing valve protects sealed face structure |
| CN114909483A (en) * | 2022-07-15 | 2022-08-16 | 山东鑫亚格林鲍尔燃油系统有限公司 | Electronic expansion valve |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10205857C1 (en) * | 2002-02-13 | 2003-09-18 | Dungs Karl Gmbh & Co Kg | Double closure regulation valve has valve closure spring mounted in annular channel between valves |
| CN1614267A (en) * | 2003-11-05 | 2005-05-11 | 郝思宏 | Double-sealing wash-free high-pressure stop valve |
| CN201100418Y (en) * | 2007-09-18 | 2008-08-13 | 黄祥胜 | An erosion prevention cut-off valve |
| CN103591318A (en) * | 2013-11-22 | 2014-02-19 | 四川大学 | Erosion-resistant dual-sealing valve structure |
| CN207261693U (en) * | 2017-06-08 | 2018-04-20 | 中核苏阀科技实业股份有限公司 | A kind of bimetallic (spring cone) seal elasticity antiscour structure and its shut-off valve |
-
2017
- 2017-06-08 CN CN201710425618.6A patent/CN109027274B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805713A (en) * | 2019-11-26 | 2020-02-18 | 上海发电设备成套设计研究院有限责任公司 | Split type self preservation of governing valve protects sealed face structure |
| CN114909483A (en) * | 2022-07-15 | 2022-08-16 | 山东鑫亚格林鲍尔燃油系统有限公司 | Electronic expansion valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109027274B (en) | 2020-03-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204176071U (en) | Air energy water-saving mangetic core assembly and delay water faucet | |
| CN202659991U (en) | Slow-closing check valve | |
| CN109027274A (en) | A kind of bimetallic (spring cone) seal elasticity antiscour structure and its shut-off valve | |
| CN206889687U (en) | A kind of regulating valve with valve element protective case | |
| CN207261693U (en) | A kind of bimetallic (spring cone) seal elasticity antiscour structure and its shut-off valve | |
| CN112682546B (en) | Pressure control valve | |
| CN203297704U (en) | Reducing valve used for air feeding system of natural gas driven automobile | |
| US10203046B2 (en) | Degressive pneumatic actuator spring rate | |
| WO2023155396A1 (en) | Swing check valve having slow-closing function | |
| CN203784403U (en) | Flow control valve | |
| CN207246445U (en) | High pressure vent stop valve | |
| CN110307347A (en) | A kind of high sealing pressure reducing valve | |
| CN109139938A (en) | A kind of shut-off valve | |
| CN210623581U (en) | Stop valve | |
| CN106763817A (en) | A kind of dark bar seal gate valve of rocker-type | |
| CN208565596U (en) | A kind of antiscour compound seal formula drain valve | |
| CN103016748A (en) | Double-seal type lift valve for piston volume tube | |
| CN203374892U (en) | Double-guarantee fluid stop valve | |
| CN203516772U (en) | Zero-leakage regulating valve | |
| CN102563087A (en) | Y-shaped stop valve | |
| CN206539743U (en) | Soft seal high-pressure safety valve | |
| CN204985737U (en) | Remove dust with pneumatic seal valve of integral type | |
| CN204664604U (en) | The linkage structure of stop valve inside | |
| CN103574113B (en) | A kind of automatic valve of anti-outlet pressure pulsations interference | |
| CN209130201U (en) | Lift counterbalance valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |