CN105240594A - Single-action shifting fork type pneumatic actuator - Google Patents
Single-action shifting fork type pneumatic actuator Download PDFInfo
- Publication number
- CN105240594A CN105240594A CN201510656110.8A CN201510656110A CN105240594A CN 105240594 A CN105240594 A CN 105240594A CN 201510656110 A CN201510656110 A CN 201510656110A CN 105240594 A CN105240594 A CN 105240594A
- Authority
- CN
- China
- Prior art keywords
- spring
- shift fork
- movable block
- piston
- shifting fork
- 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
-
- 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
- F16K31/44—Mechanical actuating means
Abstract
The invention discloses a single-action shifting fork type pneumatic actuator. The single-action shifting fork type pneumatic actuator comprises a left side air cylinder, a middle shifting fork cylinder body and a right side spring barrel body, which are connected in a sealing mode, wherein the air cylinder internally comprises a piston; a piston rod is arranged on the center of the piston; two sides of the piston rod are provided with guide posts; the left end of the piston rod is fixedly connected with the center of the piston; the right end of the piston rod extends into the shifting fork cylinder body and is connected with one end of a movable block; the other end of the movable block is connected with the left end of a spring drawbar; the right end of the spring drawbar extends into the spring barrel body and is connected with a spring base which slides along the inner wall of the spring barrel body in a reciprocating mode; one end of the spring is arranged on the spring base in a sleeving mode; the other end of the spring is resisted against the left end of the spring barrel body; the movable block is axially provided with a bearing hole; an oilless self-lubricating bearing is arranged in the bearing hole; the oilless self-lubricating bearing is arranged in a guide rod in the shifting fork cylinder body in the sleeving mode; a shifting fork connecting hole is formed in the movable block; the connecting hole is internally provided with a connecting rod; and the connecting rod is connected with a connecting slide slot in a shifting fork below the movable block. The single-action shifting fork type pneumatic actuator is good in sealing performance, leakage-resistant and good in guiding property, and abrasion generated by radial deviation is effectively prevented.
Description
Technical field
The invention belongs to valve field, be specifically related to a kind of single-acting shift fork type pneumatic actuator for control valve.
Background technique
The driving mechanism of pneumatic actuator has pinion and-rack and fork type two kinds, and shift fork type pneumatic actuator drives shift fork to rotate by piston rod moving linearly, and then drives main shaft or valve rod to rotate.Shift fork type pneumatic actuator of the prior art mainly comprises cylinder part and shift fork transmission part, cylinder part comprises cylinder, cylinder head, piston and piston rod, shift fork transmission part comprises pull-fork assembly, main shaft and casing, main shaft and pull-fork assembly are arranged in casing, main shaft is connected with body pivot, and pull-fork assembly and piston rod are in transmission connection.But existing shift fork type pneumatic actuator compares effort when manual tune, operation inconvenience.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provide a kind of good seal performance, anti-leak and steering capability is good, effectively prevent the wearing and tearing that radial missing produces, the single-acting shift fork type pneumatic actuator increased the service life.
For realizing the object of the invention, provide following technological scheme: single-acting shift fork type pneumatic actuator, comprise left hand cylinder, intermediate fork cylinder body and right side spring cylindrical shell, three is tightly connected, it is characterized in that comprising piston in cylinder, piston centre is provided with piston rod, piston rod both sides are provided with directional post, piston rod left end and piston centre consolidation, right-hand member stretches in shift fork cylinder body and connects movable block one end, movable block the other end linking springs pull bar left end, spring pull bar right-hand member stretches into the spring seat connecting in spring cylindrical shell and can reciprocatingly slide along spring cylinder inboard wall, spring one end is placed on the other end on spring seat and peaks at spring cylindrical shell left end, described movable block offers bearing hole vertically, oil-less self-lubricating bearing is provided with in bearing hole, oil-less self-lubricating bearing to be placed in shift fork cylinder body in guide rod, movable block offers shift fork attachment hole, connecting rod is provided with in attachment hole, connection chute below connecting rod and movable block on shift fork connects.
As preferably, shift fork both sides are provided with stop screw.
As preferably, the junction surface of spring seat and spring cylindrical shell is provided with seal ring.
As preferably, shift fork is placed on output shaft, and output shaft upper end is provided with mechanical valve phase indicator.
As preferably, the contact jaw of piston and cylinder is provided with seal ring and guide ring.
Beneficial effect of the present invention: the present invention by arranging multiple directional post, bar, and is slided by bearing, greatly reduces gauge wear, increases the service life, and effectively reduces cylinder power consumption, simple and practical.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the partial enlarged drawing of Fig. 1.
The stereogram of Fig. 3 bitmap 1.
Embodiment
Embodiment 1: single-acting shift fork type pneumatic actuator, comprise left hand cylinder 1, intermediate fork cylinder body 2 and right side spring cylindrical shell 3, three is tightly connected, piston 1.1 is comprised in cylinder 1, piston 1.1 center is provided with piston rod 1.2, piston rod 1.2 both sides are provided with directional post 1.3, piston rod 1.2 left end and piston 1.1 center consolidation, right-hand member stretches in shift fork cylinder body 2 and connects movable block 2.1 one end, movable block 2.1 the other end linking springs pull bar 3.1 left end, spring pull bar 3.1 right-hand member stretches into the spring seat 3.2 connecting in spring cylindrical shell 3 and can reciprocatingly slide along spring cylindrical shell 3 inwall, spring 3.3 one end is placed on the other end on spring seat 3.2 and peaks at spring cylindrical shell 3 left end, described movable block 2.1 offers bearing hole 2.1.1 vertically, oil-less self-lubricating bearing 4 is provided with in bearing hole 2.1.1, oil-less self-lubricating bearing 4 to be placed in shift fork cylinder body 2 in guide rod 2.2, movable block 2.1 offers shift fork attachment hole, connecting rod 2.1.2 is provided with in attachment hole, connection chute 5.1 below connecting rod 2.1.2 and movable block 2.1 on shift fork 5 connects.Shift fork 5 both sides are provided with stop screw 6.Spring seat 3.2 and the junction surface of spring cylindrical shell 3 are provided with seal ring 7.Shift fork 5 is placed on output shaft 8, and output shaft 8 upper end is provided with mechanical valve phase indicator 9.Piston 1.1 and the contact jaw of cylinder 1 are provided with seal ring 7 and guide ring 10.
Claims (5)
1. single-acting shift fork type pneumatic actuator, comprise left hand cylinder, intermediate fork cylinder body and right side spring cylindrical shell, three is tightly connected, it is characterized in that comprising piston in cylinder, piston centre is provided with piston rod, piston rod both sides are provided with directional post, piston rod left end and piston centre consolidation, right-hand member stretches in shift fork cylinder body and connects movable block one end, movable block the other end linking springs pull bar left end, spring pull bar right-hand member stretches into the spring seat connecting in spring cylindrical shell and can reciprocatingly slide along spring cylinder inboard wall, spring one end is placed on the other end on spring seat and peaks at spring cylindrical shell left end, described movable block offers bearing hole vertically, oil-less self-lubricating bearing is provided with in bearing hole, oil-less self-lubricating bearing to be placed in shift fork cylinder body in guide rod, movable block offers shift fork attachment hole, connecting rod is provided with in attachment hole, connection chute below connecting rod and movable block on shift fork connects.
2. single-acting shift fork type pneumatic actuator according to claim 1, is characterized in that shift fork both sides are provided with stop screw.
3. single-acting shift fork type pneumatic actuator according to claim 1, the junction surface that it is characterized in that spring seat and spring cylindrical shell is provided with seal ring.
4. single-acting shift fork type pneumatic actuator according to claim 1, it is characterized in that shift fork is placed on output shaft, output shaft upper end is provided with mechanical valve phase indicator.
5. single-acting shift fork type pneumatic actuator according to claim 1, the contact jaw that it is characterized in that piston and cylinder is provided with seal ring and guide ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510656110.8A CN105240594A (en) | 2015-10-12 | 2015-10-12 | Single-action shifting fork type pneumatic actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510656110.8A CN105240594A (en) | 2015-10-12 | 2015-10-12 | Single-action shifting fork type pneumatic actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105240594A true CN105240594A (en) | 2016-01-13 |
Family
ID=55038360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510656110.8A Pending CN105240594A (en) | 2015-10-12 | 2015-10-12 | Single-action shifting fork type pneumatic actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105240594A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485410A (en) * | 2016-02-01 | 2016-04-13 | 无锡智能自控工程股份有限公司 | Anti-shock buffering mechanism of angular travel cylinder |
| CN105952956A (en) * | 2016-07-11 | 2016-09-21 | 苏州博合雅工程材料科技有限公司 | Double-acting poking fork type pneumatic actuation mechanism |
| CN105952955A (en) * | 2016-07-11 | 2016-09-21 | 苏州博合雅工程材料科技有限公司 | Single-acting poking fork type pneumatic actuator |
| CN106051285A (en) * | 2016-07-11 | 2016-10-26 | 苏州博合雅工程材料科技有限公司 | Large-torque shifting fork type pneumatic actuator |
| CN107588228A (en) * | 2017-09-26 | 2018-01-16 | 无锡福斯拓科科技有限公司 | A kind of shift fork type pneumatic actuator |
| CN109296746A (en) * | 2018-11-15 | 2019-02-01 | 自贡新比隆阀门有限公司 | A kind of balanced type executing agency |
| CN110131379A (en) * | 2019-06-05 | 2019-08-16 | 儒拉玛特自动化技术(苏州)有限公司 | A kind of rotary motion driving device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1801478B1 (en) * | 2005-12-22 | 2010-01-27 | Bayerische Motorenwerke Aktiengesellschaft | Shutoff valve for a cryogenic fuel tank |
| CN201836142U (en) * | 2010-08-06 | 2011-05-18 | 罗普阀业（宜兴）有限公司 | Pneumatic actuator |
| CN203906975U (en) * | 2014-05-20 | 2014-10-29 | 无锡市捷诺自控设备有限公司 | Pneumatic actuator for valve |
| CN204328160U (en) * | 2014-12-10 | 2015-05-13 | 浙江华尔士自控仪表阀门有限公司 | A kind of pneumatic actuator |
| CN205013818U (en) * | 2015-10-12 | 2016-02-03 | 罗普阀业（宜兴）有限公司 | Shift fork formula pneumatic actuator for nonoculture |
-
2015
- 2015-10-12 CN CN201510656110.8A patent/CN105240594A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1801478B1 (en) * | 2005-12-22 | 2010-01-27 | Bayerische Motorenwerke Aktiengesellschaft | Shutoff valve for a cryogenic fuel tank |
| CN201836142U (en) * | 2010-08-06 | 2011-05-18 | 罗普阀业（宜兴）有限公司 | Pneumatic actuator |
| CN203906975U (en) * | 2014-05-20 | 2014-10-29 | 无锡市捷诺自控设备有限公司 | Pneumatic actuator for valve |
| CN204328160U (en) * | 2014-12-10 | 2015-05-13 | 浙江华尔士自控仪表阀门有限公司 | A kind of pneumatic actuator |
| CN205013818U (en) * | 2015-10-12 | 2016-02-03 | 罗普阀业（宜兴）有限公司 | Shift fork formula pneumatic actuator for nonoculture |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485410A (en) * | 2016-02-01 | 2016-04-13 | 无锡智能自控工程股份有限公司 | Anti-shock buffering mechanism of angular travel cylinder |
| CN105485410B (en) * | 2016-02-01 | 2017-11-28 | 无锡智能自控工程股份有限公司 | A kind of angle stroke cylinder protecting against shock buffer gear |
| CN105952956A (en) * | 2016-07-11 | 2016-09-21 | 苏州博合雅工程材料科技有限公司 | Double-acting poking fork type pneumatic actuation mechanism |
| CN105952955A (en) * | 2016-07-11 | 2016-09-21 | 苏州博合雅工程材料科技有限公司 | Single-acting poking fork type pneumatic actuator |
| CN106051285A (en) * | 2016-07-11 | 2016-10-26 | 苏州博合雅工程材料科技有限公司 | Large-torque shifting fork type pneumatic actuator |
| CN107588228A (en) * | 2017-09-26 | 2018-01-16 | 无锡福斯拓科科技有限公司 | A kind of shift fork type pneumatic actuator |
| CN107588228B (en) * | 2017-09-26 | 2023-07-14 | 无锡福斯拓科科技有限公司 | Shifting fork type pneumatic actuator |
| CN109296746A (en) * | 2018-11-15 | 2019-02-01 | 自贡新比隆阀门有限公司 | A kind of balanced type executing agency |
| CN110131379A (en) * | 2019-06-05 | 2019-08-16 | 儒拉玛特自动化技术(苏州)有限公司 | A kind of rotary motion driving device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105240594A (en) | Single-action shifting fork type pneumatic actuator | |
| CN204477455U (en) | Hydraulically controlled pneumatic final controlling element | |
| CN201827498U (en) | Shifting fork type actuator | |
| CN204553405U (en) | A kind of single-action pneumatic executor with handwheel | |
| CN203115252U (en) | Shifting-fork-type pneumatic piston actuator | |
| CN203906975U (en) | Pneumatic actuator for valve | |
| CN205047954U (en) | Two effect shift fork formula pneumatic actuator | |
| CN201818582U (en) | Cushion cylinder of hydraulic automatic feed mechanism | |
| CN103994264A (en) | Valve pneumatic actuator | |
| CN204083456U (en) | Pneumatic valve actuator | |
| CN205013818U (en) | Shift fork formula pneumatic actuator for nonoculture | |
| CN105240595A (en) | Dual-action shifting fork type pneumatic actuator | |
| CN205013819U (en) | Aluminum alloy craspedodrome journey piston pneumatic actuator | |
| CN203594860U (en) | Novel stcoch yoke pneumatic actuator | |
| CN203322442U (en) | Shutoff valve driven by electric push rod | |
| CN201908883U (en) | Two-position three-way pilot reversing valve | |
| CN103711894B (en) | The parallel gearshift of transfer case | |
| CN201526690U (en) | Lead screw gate valve with inlet and outlet pressure balance mechanism | |
| CN204572374U (en) | Spring assist Time delay commutation Pneumatic grouting pump | |
| CN203147008U (en) | Link plate coordinated type reversing valve | |
| CN203335920U (en) | Manual ball valve | |
| CN203051918U (en) | Shifting fork type pneumatic actuator | |
| CN202360813U (en) | Electromagnetic valve | |
| CN208535223U (en) | Improved hydraulicdirectional control valve | |
| CN204403029U (en) | A kind of for the locking cylinder in roughing mill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160113 |