CN205991223U - A kind of pneumatic control valve - Google Patents

A kind of pneumatic control valve Download PDF

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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
Application number
CN201620271726.3U
Other languages
Chinese (zh)
Inventor
薛学良
左成明
徐兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Province Special Valve Co Ltd
Original Assignee
Jiangsu Province Special Valve Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Province Special Valve Co Ltd filed Critical Jiangsu Province Special Valve Co Ltd
Priority to CN201620271726.3U priority Critical patent/CN205991223U/en
Application granted granted Critical
Publication of CN205991223U publication Critical patent/CN205991223U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

A kind of pneumatic control valve
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).
CN201620271726.3U 2016-04-01 2016-04-01 A kind of pneumatic control valve Expired - Fee Related CN205991223U (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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