CN106704676A - Valve driving device - Google Patents
Valve driving device Download PDFInfo
- Publication number
- CN106704676A CN106704676A CN201710068179.8A CN201710068179A CN106704676A CN 106704676 A CN106704676 A CN 106704676A CN 201710068179 A CN201710068179 A CN 201710068179A CN 106704676 A CN106704676 A CN 106704676A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- spring
- base plate
- cylinder
- helical 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.)
- Pending
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
- 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
Abstract
The invention discloses a valve driving device which comprises a bottom plate, wherein a shifting fork of which one end is matched with a valve rod is arranged on the outer side of the bottom plate; a kidney-shaped groove is formed in the other end of the shifting fork; a pin shaft is arranged in the kidney-shaped groove; a connecting rod penetrates through the pin shaft; one end of the connecting rod is connected with a piston rod of a cylinder or a hydraulic cylinder; the other end of the connecting rod is connected with a spring hook of an extension coil spring; the cylinder or the hydraulic cylinder is arranged on the bottom plate; and one end of the extension coil spring is fixed on the bottom plate. The valve driving device disclosed by the invention is reasonable and simple in structure and convenient to adjust, and the extension coil spring serves as power.
Description
Technical field
The present invention relates to a kind of valve actuator.
Background technology
General valve single-acting drive device, the structure type of spring cylinder makes installation, dismantles inconvenient, dangerous, power
Adjustment be also inconvenient.
The content of the invention
It is an object of the invention to provide a kind of valve actuator rational in infrastructure, easy to adjust.
Technical solution of the invention is：
A kind of valve actuator, it is characterized in that：Including base plate, plate outer side sets the shift fork that one end coordinates with valve rod, shift fork
The other end be provided with kidney slot, bearing pin is set in kidney slot, install connecting rod in bearing pin, one end and cylinder or the hydraulic pressure of connecting rod
The piston rod connection of cylinder, the other end of connecting rod and the spring hook connects of draft helical spring；Cylinder or Ye Ya Gang Installed are in base plate
On, one end of draft helical spring is fixed on base plate.
The other end of the connecting rod is provided with perforate, and the carbine of draft helical spring is stretched into the perforate.
The one end fixed with base plate on draft helical spring, sets spring regulating device；The spring regulating device bag
The riser being arranged on base plate is included, the end of extension spring is provided with screw thread, and the end passes through riser, is tightened up perpendicular by nut
On plate.
The present invention is rational in infrastructure, and with spiral stretching spring as power, simple structure is easy to adjust.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the A-A sectional views of Fig. 1.
Specific embodiment
A kind of valve actuator, including base plate 1, plate outer side set the shift fork 3 that one end coordinates with valve rod 2, shift fork
The other end is provided with kidney slot 4, and bearing pin 5 is set in kidney slot, and connecting rod 6, one end and cylinder or the liquid of connecting rod are installed in bearing pin
The piston rod 8 of cylinder pressure 7 is connected, and the other end of connecting rod is connected with the carbine 10 of draft helical spring 9；Cylinder or Ye Ya Gang Installed
In on base plate, one end of draft helical spring is fixed on base plate.
The other end of the connecting rod is provided with perforate 11, and the carbine of draft helical spring is stretched into the perforate.
The one end fixed with base plate on draft helical spring, sets spring regulating device；The spring regulating device bag
The riser being arranged on base plate is included, the end of extension spring is provided with screw thread, and the end passes through riser, is tightened up perpendicular by nut
On plate.By adjusting nut, the adjustment of spring force can be realized.
Claims (3)
1. a kind of valve actuator, it is characterized in that：Including base plate, plate outer side sets the shift fork that one end coordinates with valve rod, dials
The other end of fork is provided with kidney slot, and bearing pin is set in kidney slot, and connecting rod, one end and cylinder or the liquid of connecting rod are installed in bearing pin
The piston rod connection of cylinder pressure, the other end of connecting rod and the spring hook connects of draft helical spring；Cylinder or Ye Ya Gang Installed are the bottom of in
On plate, one end of draft helical spring is fixed on base plate.
2. valve actuator according to claim 1, it is characterized in that：The other end of the connecting rod is provided with perforate, draws
The carbine for stretching helical spring stretches into the perforate.
3. valve actuator according to claim 1 and 2, it is characterized in that：It is solid with base plate on draft helical spring
Fixed one end, sets spring regulating device；The spring regulating device includes the riser being arranged on base plate, the end of extension spring
Portion is provided with screw thread, and the end passes through riser, is tightened up on riser by nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710068179.8A CN106704676A (en) | 2017-02-08 | 2017-02-08 | Valve driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710068179.8A CN106704676A (en) | 2017-02-08 | 2017-02-08 | Valve driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106704676A true CN106704676A (en) | 2017-05-24 |
Family
ID=58909909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710068179.8A Pending CN106704676A (en) | 2017-02-08 | 2017-02-08 | Valve driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106704676A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2849270Y (en) * | 2005-11-30 | 2006-12-20 | 江苏神通阀门有限公司 | Nuclear pneumatic device |
| CN201152363Y (en) * | 2008-01-30 | 2008-11-19 | 郑州郑阀阀门有限公司 | Quick switching off valve |
| CN103197727A (en) * | 2012-01-06 | 2013-07-10 | 沈阳新松机器人自动化股份有限公司 | Travel limit mechanism based on reset spring |
| CN203248259U (en) * | 2013-05-10 | 2013-10-23 | 江苏大学 | Single-cylinder diesel engine oil amount correcting mechanism |
| CN204284614U (en) * | 2014-11-28 | 2015-04-22 | 重庆市明皓光学仪器有限公司 | Two fork guide bar pressure regulator |
| CN205534510U (en) * | 2016-03-30 | 2016-08-31 | 江苏瑞朗博机械设备有限公司 | Automatic valve by depression bar unstability trigger action suitable for low pressure operating mode |
| CN206555538U (en) * | 2017-02-08 | 2017-10-13 | 江苏神通阀门股份有限公司 | Valve actuator |
-
2017
- 2017-02-08 CN CN201710068179.8A patent/CN106704676A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2849270Y (en) * | 2005-11-30 | 2006-12-20 | 江苏神通阀门有限公司 | Nuclear pneumatic device |
| CN201152363Y (en) * | 2008-01-30 | 2008-11-19 | 郑州郑阀阀门有限公司 | Quick switching off valve |
| CN103197727A (en) * | 2012-01-06 | 2013-07-10 | 沈阳新松机器人自动化股份有限公司 | Travel limit mechanism based on reset spring |
| CN203248259U (en) * | 2013-05-10 | 2013-10-23 | 江苏大学 | Single-cylinder diesel engine oil amount correcting mechanism |
| CN204284614U (en) * | 2014-11-28 | 2015-04-22 | 重庆市明皓光学仪器有限公司 | Two fork guide bar pressure regulator |
| CN205534510U (en) * | 2016-03-30 | 2016-08-31 | 江苏瑞朗博机械设备有限公司 | Automatic valve by depression bar unstability trigger action suitable for low pressure operating mode |
| CN206555538U (en) * | 2017-02-08 | 2017-10-13 | 江苏神通阀门股份有限公司 | Valve actuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |