CN201651536U - Meter diaphragm stop valve - Google Patents
Meter diaphragm stop valve Download PDFInfo
- Publication number
- CN201651536U CN201651536U CN2010201398403U CN201020139840U CN201651536U CN 201651536 U CN201651536 U CN 201651536U CN 2010201398403 U CN2010201398403 U CN 2010201398403U CN 201020139840 U CN201020139840 U CN 201020139840U CN 201651536 U CN201651536 U CN 201651536U
- Authority
- CN
- China
- Prior art keywords
- valve
- diaphragm
- sealing
- cover
- valve rod
- 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 - Lifetime
Links
- 239000002184 metal Substances 0.000 claims abstract description 7
- 230000004888 barrier function Effects 0.000 claims description 5
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 9
- 239000007788 liquid Substances 0.000 abstract description 4
- 239000000945 filler Substances 0.000 description 5
- 238000012856 packing Methods 0.000 description 3
- 210000004907 gland Anatomy 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Details Of Valves (AREA)
Abstract
The utility model relates to a stop valve for industrial automation, in particular to a meter diaphragm stop valve for starting, closing and controlling the liquid or the gas in the pipelines of the nuclear power station meters of flow, differential pressure, pressure, liquid level and the like. The meter diaphragm stop valve comprises a valve body, a valve cover, a valve rod and a valve core, and is characterized in that the joint part of the upper hole of the valve body and the valve cover is provided with a metal diaphragm, the valve rod is above the metal diaphragm, and the valve core is under the metal diaphragm. The valve rod is provided with a trumpet-shaped lower end, and the external diameter of the trumpet is matched with the inner diameter of the valve cover. A spherical lower end face is arranged under the lower end. In addition, the periphery of the valve core is provided with a spring which can make the valve core ascend and descend. The meter diaphragm stop valve realizes the sealing of the valve core and the valve body, the sealing of the diaphragm, valve body and the valve cover, the sealing of the valve rod and the valve cover, and the sealing of the padding and the valve cover, and has the advantages of tight sealing, long service life, and easy startup and shutdown operation. The meter diaphragm stop valve is suitable for various media and has a wider application range.
Description
Technical field
The utility model relates to a kind of stop valve that industrial automation is used, and especially a kind ofly is used for the instrument barrier film stop valve that pipelines such as all kinds of instrument of nuclear power station such as flow, differential pressure, pressure, liquid level open and close and control liquid or gas.
Background technique
In traditional instrument block valve structure, all adopt filler to prevent the sealing of external leakage, owing between filler and valve rod, the valve gap inevitable kinetic friction factor is arranged, so structurally still exist the possibility of external leakage, and some occasion as: poisonous, inflammable, explosive, radioactivity etc. is arranged to safety, environment and healthy can working the mischief, be not allow external leakage.
The at present general diaphragm of rubber valve that adopts of China, it is simple in structure, seals singlely, only be applicable to the occasion that pressure and temperature is lower, and working life is shorter, in High Temperature High Pressure and have under the situation of harsh conditions, can only rely on from foreign import.
Summary of the invention
Technical problem to be solved in the utility model: be to provide a kind of valve rod and spool branch are arranged, combine, be applicable to the instrument barrier film stop valve of pressure, temperature, medium wider range with metal diaphragm and packing seal.
As follows for solving the technological scheme that above technical problem takes: the utility model comprises valve body, valve gap, valve rod and spool, it is characterized in that the position that the suitable for reading and valve gap at valve body joins is provided with a metal diaphragm, the top of diaphragm is a valve rod, and the below of diaphragm is a spool; Valve rod is provided with the lower end of flare, and horn mouth external diameter and valve gap internal diameter are complementary; Valve rod lower end below is provided with the lower end surface that is sphere shape; Be provided with the spring that impels the lifting of spool energy in the periphery of spool.
Because adopt above technological scheme, the effect of its generation is conspicuous:
1, the utility model has structurally been implemented repeatedly sealing, repeatedly insurance, and sealability is superior, and is high temperature resistant, high pressure resistant, is specially adapted to High Temperature High Pressure and aspects such as health, safety, environment had the medium and the occasion of harm.
2, because valve rod, spool branch are arranged, make spool only make straight line motion up and down, thereby eliminated the torque influence power that produces when valve rod rotates, guaranteed the reliability of the utility model aspect quality.
3, the utility model actuator is that valve rod promotes diaphragm, and the diaphragm transferring power is given spool, makes the active force maximization, and minimum friction forces so working life is longer, and opens and closes free and relaxed.
4, be applicable to all kinds of media, using scope is wider.
Description of drawings
Fig. 1 cuts open figure for the utility model office.
Among the figure: 1, nut 2, packing ring 3, handwheel 4, Gland 5, filler 6, filler packing ring 7, gland nut 8, valve rod 9, diaphragm 10, valve gap 11, spring 12, spool 13, valve body
Embodiment
With reference to Fig. 1, the utility model is a kind of instrument barrier film stop valve, and this valve comprises valve body 13, valve gap 10, valve rod 8, spool 12, it is characterized in that the position that the suitable for reading and valve gap at valve body joins is provided with metal diaphragm 9, the top of diaphragm is a valve rod, and the below of diaphragm is a spool; Valve rod is provided with the lower end of flare, and horn mouth external diameter and valve gap internal diameter are complementary; The lower end below is provided with the lower end surface that is sphere shape; In addition, be provided with the spring 11 that impels the lifting of spool energy in the periphery of spool.
During the utility model work, drive the decline of valve rod spiral as long as rotate handwheel, the sphere shape lower end surface of valve rod just promotes the downward moving linearly of spool by diaphragm, makes valve closing.Be in closed condition among Fig. 1.Otherwise, rotate handwheel and drive the rising of valve rod spiral, because the reaction force of spring ejects closed position with spool, just realized the unlatching of valve.
The utility model has been realized between spool and the valve body on the whole, the four roads sealing between diaphragm and the valve body valve gap, between valve rod and the valve gap, between filler and the valve rod valve gap, so sealing is tight, long service life, and open and close free and relaxed, be applicable to all kinds of media, using scope is wider.
Claims (1)
1. instrument barrier film stop valve, this valve comprises valve body (13), valve gap (10), valve rod (8) and spool (12), it is characterized in that: the position that joins at the suitable for reading and valve gap of valve body is provided with metal diaphragm (9), and the top of diaphragm is a valve rod, and the below of diaphragm is a spool; Valve rod is provided with the lower end of flare, and horn mouth external diameter and valve gap internal diameter are complementary; The lower end below is provided with the lower end surface that is sphere shape; In addition, be provided with the spring (11) that impels the lifting of spool energy in the periphery of spool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201398403U CN201651536U (en) | 2010-03-25 | 2010-03-25 | Meter diaphragm stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201398403U CN201651536U (en) | 2010-03-25 | 2010-03-25 | Meter diaphragm stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201651536U true CN201651536U (en) | 2010-11-24 |
Family
ID=43116776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201398403U Expired - Lifetime CN201651536U (en) | 2010-03-25 | 2010-03-25 | Meter diaphragm stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201651536U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563097A (en) * | 2012-03-02 | 2012-07-11 | 江苏星河集团有限公司 | Novel instrument diaphragm valve |
| CN102644796A (en) * | 2012-03-02 | 2012-08-22 | 江苏星河集团有限公司 | Metallic diaphragm for instrument membrane valve |
-
2010
- 2010-03-25 CN CN2010201398403U patent/CN201651536U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563097A (en) * | 2012-03-02 | 2012-07-11 | 江苏星河集团有限公司 | Novel instrument diaphragm valve |
| CN102644796A (en) * | 2012-03-02 | 2012-08-22 | 江苏星河集团有限公司 | Metallic diaphragm for instrument membrane valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Xinghe Valve Co., Ltd. Assignor: Jiangsu Xinghai Group Co., Ltd. Contract record no.: 2011320000774 Denomination of utility model: Meter diaphragm stop valve Granted publication date: 20101124 License type: Exclusive License Record date: 20110603 |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180104 Address after: 212215 Yangzhong Road, Yangzhong Economic Development Zone, Jiangsu Province Patentee after: Jiangsu Xinghe Valve Co., Ltd. Address before: 212215 Yangzhong Industrial Park in Jiangsu Province Patentee before: Jiangsu Xinghai Group Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101124 |