CN103742701A - Executing mechanism of control valve - Google Patents
Executing mechanism of control valve Download PDFInfo
- Publication number
- CN103742701A CN103742701A CN201310619735.8A CN201310619735A CN103742701A CN 103742701 A CN103742701 A CN 103742701A CN 201310619735 A CN201310619735 A CN 201310619735A CN 103742701 A CN103742701 A CN 103742701A
- Authority
- CN
- China
- Prior art keywords
- push rod
- piston
- cylinder
- spring
- support
- 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.)
- Pending
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Classifications
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- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1221—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being spring-loaded
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
- F15B15/1452—Piston sealings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
Abstract
The invention discloses an executing mechanism of a control valve. The mechanism comprises an air cylinder, a push rod, a support arranged below the air cylinder and a piston arranged on the upper portion in the air cylinder, an adjusting screw extending into the air cylinder is arranged at the top of the air cylinder, the piston in which a hole is formed is arranged in the air cylinder, the lower portion of the air cylinder is connected with the support through a clamp ring of the air cylinder, the lower portion of the push rod is arranged in the support, the upper portion of the push rod penetrates through the hole of the piston and extends into the air cylinder, a push rod partition sleeve is arranged on the outer side of the upper portion of the push rod, one end of the push rod partition sleeve is connected with a locking nut arranged at the top end of the upper portion of the push rod, one end of the push rod partition sleeve makes contact with the piston, a spring cover is connected below an adjusting screw, double springs are connected between the spring cover and the piston through a clamp ring, the outer spring is wrapped by the inner spring, and the upper portion of the push rod is located in the inner spring. The executing mechanism of the control valve is provided with the double springs, and therefore large spring force can be provided for helping the executing mechanism fast and safely return when a gas source breaks down.
Description
Technical field
The present invention relates to a kind of actuator, be specifically related to a kind of actuator of control valve.
Background technique
Bleed pressure that the actuator of control valve can bear is high, thrust is large, travel speed is fast and sturdy and durable.Adapted double-purpose valve door holder, pure pressurized air is accepted in the upper and lower of cylinder simultaneously, and discord corrosive atmosphere environment carries out gas exchange, never corrosion, long service life.The normal Shi An double-acting cylinder actuator action of working, during air failure, spring can make spool safety reset, makes valve closing or opens.
Single spring is when air failure, and reset capability is limited, and for the valve body of the larger Flexible Reset power of needs, power is nowhere near.
Summary of the invention
The invention provides a kind of actuator with the control valve of dual spring setting, can provide larger spring force to help actuator fast and safely to reset when air failure.
Object of the present invention reaches by the following technical programs:
The actuator of control valve, comprise cylinder, push rod, be arranged on the support and the piston that is arranged on cylinder interior support top of cylinder below, cylinder head is provided with the adjusting screw that extends to cylinder interior, in cylinder, be provided with the piston that has hole, cylinder bottom is connected with support by cylinder snap ring, push rod bottom is arranged on internal stent, push rod top extends to cylinder interior through the hole of piston, push rod upper outside is provided with push rod separation sleeve, push rod separation sleeve one end is connected with the locking nut that push rod upper end arranges, one end and piston contact, adjusting screw below linking springs cover, between spring shield and piston, be connected with end to end inner spring and outer spring, inner spring is surrounded by outer spring outward, push rod top is positioned at inner spring.
The lower end of described inner spring and outer spring is all fixed on the nut that is locked and is fixed on the spring seat on piston.
Described push rod below is provided with pushrod clip, and pushrod clip and the slide bar being arranged on internal stent one side vertical direction are slidably connected.
A side with respect to slide bar in described support is provided with stroke scale.
Described piston is provided with piston O type circle.
Described support top is provided with support O type circle.
Described piston and push rod connecting part are also provided with piston push rod O type circle.
The present invention compared with prior art, there is following advantage and beneficial effect:
Safety reset parts when the present invention is provided with interior outer spring as air failure, reset effect is more remarkable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Wherein, the component title that reference character is corresponding is as follows:
1-cylinder, 2-support, 3-adjusting screw, 4-spring shield, 5-outer spring, 6-inner spring, 7-push rod, 8-piston, 9-push rod separation sleeve, 10-locking nut 11-cylinder snap ring, 12-pushrod clip, 13-piston O type circle, 14-piston push rod O type circle, 15-support O type circle.
Embodiment
Embodiment 1
As shown in Figure 1, the actuator of control valve, comprise cylinder 1, push rod 7, be arranged on the support 2 and the piston 8 that is arranged on cylinder 1 internal stent 2 tops of cylinder 1 below, cylinder 1 top is provided with the adjusting screw 3 that extends to cylinder 1 inside, in cylinder 1, be provided with the piston 8 that has hole, cylinder 1 bottom is connected with support 2 by cylinder snap ring 12, push rod 7 bottoms are arranged on support 2 inside, push rod 7 tops extend to cylinder 1 inside through the hole of piston 8, push rod 7 upper outside are provided with push rod separation sleeve 9, push rod separation sleeve 9 one end are connected with the locking nut 10 that push rod 7 upper end arrange, one end and piston 8 contact, adjusting screw 3 below linking springs covers 4, between spring shield 4 and piston 8, be connected with inner spring 6 and outer spring 5, the outer outer spring 5 that is surrounded by of inner spring 6, push rod 7 tops are positioned at inner spring 6.
The present invention is generally used for gas open form actuator, and needing when in use to configure a minimum is that 60psi source of the gas carrys out Compress Spring.Gas is opened closing of valve, and to reveal grade be related with the elastic force of spring, therefore double-spring structure is set by the timely quick closedown that is conducive to gas and opens valve.
As shown in Figure 1, the lower end of inner spring 6 and outer spring 5 is all fixed on the nut 10 that is locked and is fixed on the spring seat on piston 8.Above-mentioned push rod 7 belows are provided with pushrod clip 13, and pushrod clip 13 and the slide bar being arranged on the inner side vertical direction of support 2 are slidably connected.
A side with respect to slide bar in above-mentioned support 2 is provided with stroke scale.
Above-mentioned piston 8 is provided with piston O type circle 13.
Above-mentioned support 2 tops are provided with support O type circle 15.
Above-mentioned piston 8 and push rod 7 connecting parts are also provided with piston push rod O type circle 14.O type circle be provided with the sealing that is beneficial to whole mechanism.
Claims (7)
1. the actuator of control valve, comprise cylinder (1), push rod (7), be arranged on the support (2) of cylinder (1) below and be arranged on the piston (8) above cylinder (1) internal stent, cylinder (1) top is provided with and extends to the inner adjusting screw (3) of cylinder (1), in cylinder (1), be provided with the piston (8) that has hole, cylinder (1) bottom is connected with support (2) by cylinder snap ring (11), push rod (7) bottom is arranged on support (2) inside, push rod (7) top extends to cylinder (1) inside through the hole of piston (8), push rod (7) upper outside is provided with push rod separation sleeve (9), push rod separation sleeve (9) one end is connected with the locking nut (10) that push rod (7) upper end arranges, the other end of push rod separation sleeve (9) and piston (8) contact, it is characterized in that: adjusting screw (3) below linking springs cover (4), between spring shield (4) and piston (8), be connected with end to end inner spring (6) and outer spring (5), the outer outer spring (5) that is surrounded by of inner spring (6), push rod (7) top is positioned at inner spring (6).
2. the actuator of control valve according to claim 1, is characterized in that: the lower end of described inner spring (6) and outer spring (5) is all fixed on the nut that is locked (10) and is fixed on the spring seat on piston (8).
3. the actuator of control valve according to claim 1, is characterized in that: described push rod (7) below is provided with pushrod clip (12), and pushrod clip (12) and the slide bar being arranged on the inner side vertical direction of support (2) are slidably connected.
4. the actuator of control valve according to claim 3, is characterized in that: the side with respect to slide bar in described support (2) is provided with stroke scale.
5. according to the actuator of the control valve described in claim 1-4 any one, it is characterized in that: described piston (8) is provided with piston O type circle (13).
6. according to the actuator of the control valve described in claim 1-4 any one, it is characterized in that: described support (2) top is provided with support O type circle (15).
7. according to the actuator of the control valve described in claim 1-4 any one, it is characterized in that: described piston (8) and push rod (7) connecting part are also provided with piston push rod O type circle (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310619735.8A CN103742701A (en) | 2013-11-29 | 2013-11-29 | Executing mechanism of control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310619735.8A CN103742701A (en) | 2013-11-29 | 2013-11-29 | Executing mechanism of control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103742701A true CN103742701A (en) | 2014-04-23 |
Family
ID=50499751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310619735.8A Pending CN103742701A (en) | 2013-11-29 | 2013-11-29 | Executing mechanism of control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103742701A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106461115A (en) * | 2014-06-25 | 2017-02-22 | 株式会社 Ihi | Pneumatically-actuated valve |
| CN108968183A (en) * | 2018-08-07 | 2018-12-11 | 姚路嘉 | A kind of kneed protective device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4335744A (en) * | 1980-04-07 | 1982-06-22 | Control Components, Inc. | Quiet safety relief valve |
| GB2315114A (en) * | 1996-07-05 | 1998-01-21 | Moog Inc | Valve actuator |
| JP2007177844A (en) * | 2005-12-27 | 2007-07-12 | Yamatake Corp | Control valve operating device |
| CN201502724U (en) * | 2007-12-28 | 2010-06-09 | 罗普阀业（宜兴）有限公司 | Pneumatic adjusting valve |
| CN203571188U (en) * | 2013-11-29 | 2014-04-30 | 成都欧浦特控制阀门有限公司 | Air cylinder type actuator |
-
2013
- 2013-11-29 CN CN201310619735.8A patent/CN103742701A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4335744A (en) * | 1980-04-07 | 1982-06-22 | Control Components, Inc. | Quiet safety relief valve |
| GB2315114A (en) * | 1996-07-05 | 1998-01-21 | Moog Inc | Valve actuator |
| JP2007177844A (en) * | 2005-12-27 | 2007-07-12 | Yamatake Corp | Control valve operating device |
| CN201502724U (en) * | 2007-12-28 | 2010-06-09 | 罗普阀业（宜兴）有限公司 | Pneumatic adjusting valve |
| CN203571188U (en) * | 2013-11-29 | 2014-04-30 | 成都欧浦特控制阀门有限公司 | Air cylinder type actuator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106461115A (en) * | 2014-06-25 | 2017-02-22 | 株式会社 Ihi | Pneumatically-actuated valve |
| CN106461115B (en) * | 2014-06-25 | 2019-11-05 | 株式会社 Ihi | Operating pneumatic valve |
| US10767785B2 (en) | 2014-06-25 | 2020-09-08 | Ihi Corporation | Pneumatically-actuated valve |
| CN108968183A (en) * | 2018-08-07 | 2018-12-11 | 姚路嘉 | A kind of kneed protective device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140423 |