CN205991223U - A kind of pneumatic control valve - Google Patents
A kind of pneumatic control valve Download PDFInfo
- Publication number
- CN205991223U CN205991223U CN201620271726.3U CN201620271726U CN205991223U CN 205991223 U CN205991223 U CN 205991223U CN 201620271726 U CN201620271726 U CN 201620271726U CN 205991223 U CN205991223 U CN 205991223U
- Authority
- CN
- China
- Prior art keywords
- valve
- flap
- cage
- pneumatic control
- gap
- 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
- 239000000945 filler Substances 0.000 claims abstract description 8
- 210000004907 Glands Anatomy 0.000 claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 4
- 239000010439 graphite Substances 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 abstract description 2
- 230000004048 modification Effects 0.000 description 3
- 238000006011 modification reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Abstract
The utility model discloses a kind of pneumatic control valve, it includes：Valve body (1), it is arranged on the spirotallic gasket (2) in valve body (1), it is arranged on the valve cage (3) on spirotallic gasket (2), it is arranged on the flap (4) in valve cage (3), it is arranged on the graphite annulus (5) between valve cage (3) and flap (4), it is arranged on the valve clack cover (6) on flap (4), the lower bottom of valve rod (8) is connected with flap (4), and valve gap (10) is arranged on valve body (1)；Packing seat (13), filler (14) and gland (16) are installed in valve gap (10)；Pneumatic execution unit (19) is installed above valve gap (10)；The upper end of valve rod (8) is connected with pneumatic execution unit (19).This utility model reasonable in design, good airproof performance, security performance is high, and valve cage is using compression seat design, it is possible to resolve traditional is threaded into the problems such as dismounting of formula valve seat is difficult, and leakage rate is big, long service life.
Description
Technical field
This utility model is related to a kind of valve and in particular to a kind of excellent pneumatic control valve of structure design.
Background technology
Pneumatic control valve is exactly with compressed gas as power source, with cylinder as executor, and by means of valve positioner, transducer,
The adnexaes such as electromagnetic valve, guarantor position valve, air accumulator, pneumatic filter go to drive valve, realize switching value or proportion expression is adjusted, receive
The control signal of industrial automation control system is completing to adjust pipeline medium:The various technique such as flow, pressure, temperature, liquid level
Procedure parameter.But the pneumatic control valve of prior art, is particularly applied to the pneumatic control valve of power plant, and structure design is not closed
Reason, using being threaded into valve seat in valve body, dismounting is difficult, and leakage rate is big, safety and sealing property be not especially high it is impossible to
Meet high-level requirement.
Therefore, necessary on the basis of prior art, a kind of reasonable in design is researched and developed in design, and sealing is higher, peace
Full property is more preferable, the pneumatic control valve of long service life.
Content of the invention
Goal of the invention：The purpose of this utility model is for the deficiencies in the prior art, a kind of reasonable in design of R ＆ D design, close
Feng Xinggao, safe, manipulation is convenient, long service life, pneumatic control valve convenient for installation and maintenance.
Technical scheme：In order to realize object above, the technical scheme that this utility model is taken is as follows：
A kind of pneumatic control valve, it includes：Valve body, is arranged on the spirotallic gasket in valve body, is arranged on the valve cage on spirotallic gasket,
It is arranged on the flap in valve cage, is arranged on the graphite annulus between valve cage and flap, be arranged on the valve clack cover on flap, under valve rod
Bottom is connected with flap by screw thread, and valve gap is arranged on valve body by stud；Packing seat, Packing seat are installed in valve gap
On filler is installed, gland is installed above filler；
Above valve gap, pneumatic execution unit is provided with by bolt；The upper end of valve rod is connected with pneumatic execution unit after passing through valve gap.
Between valve cage upper end and valve gap, spirotallic gasket is installed.
Preferably, above-described pneumatic control valve, described valve clack cover is arranged on flap by bolt.
Preferably, above-described pneumatic control valve, described gland is arranged on valve gap by bolt.
Preferably, above-described pneumatic control valve, described valve rod is connected with the handwheel in pneumatic execution unit.
Beneficial effect：Compared to the prior art the pneumatic control valve that this utility model provides has advantages below：
The pneumatic control valve that this utility model provides, reasonable in design, good airproof performance, security performance is high, easy for installation, valve
Cage is using compression seat design, it is possible to resolve traditional is threaded into the problems such as dismounting of formula valve seat is difficult, and leakage rate is big, and can extend makes
Use the life-span.
Brief description
Fig. 1 is the structural representation of the pneumatic control valve that this utility model provides.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment, it is further elucidated with this utility model it should be understood that these embodiments are merely to illustrate this
Utility model rather than restriction scope of the present utility model, after having read this utility model, those skilled in the art are to this
The modification of the various equivalent form of values of utility model all falls within the application claims limited range.
As shown in figure 1, a kind of pneumatic control valve, it includes：Valve body (1), is arranged on the spirotallic gasket (2) in valve body (1),
It is arranged on the valve cage (3) on spirotallic gasket (2), be arranged on the flap (4) in valve cage (3), be arranged on valve cage (3) and valve
Graphite annulus (5) between lobe (4), is arranged on the valve clack cover (6) on flap (4), and screw thread is passed through in the lower bottom of valve rod (7)
It is connected with flap (4), valve gap (8) is arranged on valve body (1) by stud (9)；Valve gap is provided with Packing seat in (8)
(10), Packing seat (10) is provided with filler (11), spacer ring (12) is installed, on spacer ring (12) above filler (11)
Gland (13) is installed；
Above valve gap (8), pneumatic execution unit (14) is provided with by bolt；The upper end of valve rod (7) pass through valve gap (8) afterwards with pneumatic
Execution unit (14) is connected.
Spirotallic gasket (2) is installed between valve cage (3) upper end and valve gap (8).
Above-described pneumatic control valve, described valve rod (8) is connected with the handwheel in pneumatic execution unit (19).
Above-described pneumatic control valve, described valve clack cover (6) is arranged on flap (4) by bolt.Described filler
Gland (13) is arranged on valve gap (8) by bolt.
Above-described pneumatic control valve, described valve rod (8) is connected with the handwheel in pneumatic execution unit (14).
The above is only preferred implementation of the present utility model it is noted that for those skilled in the art
For, on the premise of without departing from this utility model principle, some improvements and modifications can also be made, these improvements and modifications
Should be regarded as protection domain of the present utility model.
Claims (4)
1. a kind of pneumatic control valve is it is characterised in that it includes：Valve body (1), it is arranged on the spirotallic gasket (2) in valve body (1), it is arranged on the valve cage (3) on spirotallic gasket (2), it is arranged on the flap (4) in valve cage (3), it is arranged on the graphite annulus (5) between valve cage (3) and flap (4), it is arranged on the valve clack cover (6) on flap (4), the lower bottom of valve rod (7) is connected with flap (4) by screw thread, and valve gap (8) is arranged on valve body (1) by stud (9)；Packing seat (10) is installed in valve gap (8), filler (11) is provided with Packing seat (10), spacer ring (12) is installed above filler (11), spacer ring (12) is provided with gland (13)；
Above valve gap (8), pneumatic execution unit (14) is provided with by bolt；The upper end of valve rod (7) is connected with pneumatic execution unit (14) afterwards through valve gap (8)；
Spirotallic gasket (2) is installed between valve cage (3) upper end and valve gap (8).
2. pneumatic control valve according to claim 1 is it is characterised in that described valve clack cover (6) is arranged on flap (4) by bolt.
3. pneumatic control valve according to claim 1 and 2 is it is characterised in that described gland (13) is arranged on valve gap (8) by bolt.
4. pneumatic control valve according to claim 3 is it is characterised in that described valve rod (8) is connected with the handwheel in pneumatic execution unit (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620271726.3U CN205991223U (en) | 2016-04-01 | 2016-04-01 | A kind of pneumatic control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620271726.3U CN205991223U (en) | 2016-04-01 | 2016-04-01 | A kind of pneumatic control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205991223U true CN205991223U (en) | 2017-03-01 |
Family
ID=58101310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620271726.3U Expired - Fee Related CN205991223U (en) | 2016-04-01 | 2016-04-01 | A kind of pneumatic control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205991223U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167452A (en) * | 2018-02-12 | 2018-06-15 | 无锡智能自控工程股份有限公司 | Band metal coating type balanced seal annular sleeve valve |
-
2016
- 2016-04-01 CN CN201620271726.3U patent/CN205991223U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167452A (en) * | 2018-02-12 | 2018-06-15 | 无锡智能自控工程股份有限公司 | Band metal coating type balanced seal annular sleeve valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170301 Termination date: 20170401 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |