CN204553405U - A kind of single-action pneumatic executor with handwheel - Google Patents
A kind of single-action pneumatic executor with handwheel Download PDFInfo
- Publication number
- CN204553405U CN204553405U CN201520210534.7U CN201520210534U CN204553405U CN 204553405 U CN204553405 U CN 204553405U CN 201520210534 U CN201520210534 U CN 201520210534U CN 204553405 U CN204553405 U CN 204553405U
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- piston rod
- force
- output shaft
- casing
- handwheel
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Abstract
The utility model belongs to actuation technologies field, refer in particular to a kind of single-action pneumatic executor with handwheel, one end of casing is provided with end cap, the other end is provided with the coupling of the one end connecting cylinder body, the other end of cylinder body is provided with cylinder cap, piston rod is provided with in cylinder body, one end of piston rod is stretched in casing through coupling, the other end is provided with piston, spring is provided with between piston and coupling, axes normal is provided with in the force-output shaft of piston rod in casing, the two ends of force-output shaft are arranged on casing, force-output shaft is provided with shift fork, the piston rod being positioned at casing is provided with bearing pin, bearing pin is arranged in the opening of shift fork, the casing of force-output shaft one end is provided with the lower flange connecting valve flanges, the spool of valve is connected with one end of force-output shaft, the operating device of band handwheel is provided with in the side of cylinder cap, the operating device that the utility model is arranged can manual operation piston and piston rod, in all case can use, improve the convenience of use.
Description
Technical field:
The utility model belongs to actuation technologies field, refers in particular to a kind of single-action pneumatic executor with handwheel.
Background technique:
Because pneumatic actuator has structure simple, thrust output is large, and stable action is reliable, and the advantages such as safety anti-explosive, and in power station, chemical industry, oil refining etc. are widely used in the higher production process of safety requirement.Pneumatic actuator can be divided into single-acting and double-action two type: the switch motion of final controlling element all drives execution by source of the gas, is called DOUBLE ACTING (double-action).It is that source of the gas drives that work is only started in the switch motion of SPRING RETURN (single-acting), and spring reset when closing action.Because the source of the gas of single-action pneumatic executor is by controls such as solenoid valves, in the event of a power failure, then normally cannot work, affect normally carrying out of work.
Summary of the invention:
The purpose of this utility model be to provide a kind of can the single-action pneumatic executor of band handwheel of manual control final controlling element action.
The utility model is achieved in that
A kind of single-action pneumatic executor with handwheel, include casing, one end of casing is provided with end cap, the other end is provided with coupling, coupling connects one end of cylinder body, the other end of cylinder body is provided with cylinder cap, piston rod is provided with in cylinder body, one end of piston rod is stretched in casing through coupling, the other end is provided with piston, spring is provided with between piston and coupling, cylinder cap is provided with inlet hole and air outlet hole, axes normal is provided with in the force-output shaft of piston rod in described casing, the two ends of force-output shaft are arranged on casing, force-output shaft is provided with shift fork, the piston rod being positioned at casing is provided with bearing pin, bearing pin is arranged in the opening of shift fork, the casing of force-output shaft one end is provided with the lower flange connecting valve flanges, the spool of valve is connected with one end of force-output shaft, the operating device of band handwheel is provided with in the side of cylinder cap,
Inlet hole is inflated or manually-operable operating device in cylinder body, and piston rod and piston are moved to the left, and bearing pin shift fork is rotated, and then drives force-output shaft to rotate, the valve core rotation of force-output shaft band movable valve, and final controlling element is closed; Air outlet hole exhaust or manual reverse operating operating device, spring force driven plunger and piston rod are toward moving right, and the bearing pin on piston rod oppositely mobile shift fork, force-output shaft and the spool of driving rotates backward, and final controlling element is opened.
Above-mentioned spring includes inner spring and outer spring, and described outer spring is sleeved in inner spring.
Above-mentioned operating device includes screw mandrel and the worm gear with screw mandrel engagement driving, and turbine shaft is provided with handwheel; Or described operating device includes tooth bar, the gear with tooth bar engagement driving, gear shaft is provided with handwheel.
Above-mentioned screw mandrel and piston rod are coaxially set, and one end of screw mandrel is connected with the end thereof contacts of piston rod.
Above-mentioned tooth bar and piston rod are coaxially set, and one end of tooth bar is connected with the end thereof contacts of piston rod.
Above-mentioned bearing pin includes bearing pin ball set and is sleeved on the bearing pin ball sleeve outside bearing pin ball set.
The two ends of above-mentioned force-output shaft are arranged on casing respectively by upper bearing (metal) and lower bearing.
Above-mentioned piston is fixed on one end of piston rod by piston back nut and nut.
The advantage that the utility model is given prominence to compared to existing technology is:
1, the operating device that the utility model is arranged can manual operation piston and piston rod, in all case can use, improve the convenience of use;
2, Worm gear feed screw driving force rate of the present utility model is comparatively large, and can bear more than 10 tons, using scope is wide;
3, the utility model is applicable to the occasions such as nuclear power station.
Accompanying drawing illustrates:
Fig. 1 is the schematic diagram of manually-operable off status of the present utility model;
Fig. 2 is the schematic diagram of manually-operable open state of the present utility model;
Fig. 3 is the schematic diagram of spring reset open state of the present utility model;
Fig. 4 is the schematic diagram of inflation off status of the present utility model.
Embodiment:
With specific embodiment, the utility model is further described below, see Fig. 1-4:
A kind of single-action pneumatic executor with handwheel, include casing 1, one end of casing 1 is provided with end cap 2, the other end is provided with coupling 3, coupling 3 connects one end of cylinder body 4, the other end of cylinder body 4 is provided with cylinder cap 5, piston rod 6 is provided with in cylinder body 4, one end of piston rod 6 is stretched in casing 1 through coupling 3, the other end is provided with piston 7, spring is provided with between piston 7 and coupling 3, cylinder cap 5 is provided with inlet hole and air outlet hole, axes normal is provided with in the force-output shaft 8 of piston rod 6 in described casing 1, the two ends of force-output shaft 8 are arranged on casing 1, force-output shaft 8 is provided with shift fork 9, the piston rod 6 being positioned at casing 1 is provided with bearing pin 10, bearing pin 10 is arranged in the opening of shift fork 9, the casing 1 of force-output shaft 8 one end is provided with the lower flange 11 connecting valve flanges, the spool of valve is connected with one end of force-output shaft 8, the operating device of band handwheel 12 is provided with in the side of cylinder cap 5,
Inlet hole is inflated or manually-operable operating device in cylinder body 4, and piston rod 6 and piston 7 are moved to the left, and bearing pin 10 shift fork 9 is rotated, and then drives force-output shaft 8 to rotate, the valve core rotation of force-output shaft 8 with movable valve, and final controlling element is closed; Air outlet hole exhaust or manual reverse operating operating device, spring force driven plunger 7 and piston rod 6 are toward moving right, and the bearing pin 10 on piston rod 6 oppositely mobile shift fork 9, force-output shaft 8 and the spool of driving rotates backward, and final controlling element is opened.
Above-mentioned spring includes inner spring 13 and outer spring 14, and described outer spring 14 is sleeved in inner spring 13.
One end of inner spring 13, outer spring 14 holds out against on the end face of piston 7, the other end holds out against on the inner-angle nut 15 on coupling 3.
Above-mentioned operating device includes screw mandrel 16 and the worm gear with screw mandrel 16 engagement driving, turbine shaft is provided with handwheel 12.
Screw mandrel 16 is arranged in the cavity of cylinder cap 5, housing 21 and protecting cover 22 formation.
Operating device also can adopt following structure to make: include tooth bar, with the gear of tooth bar engagement driving, gear shaft is provided with handwheel 12.
Above-mentioned screw mandrel 16 is coaxially set with piston rod 6, and one end of screw mandrel 16 is connected with the end thereof contacts of piston rod 6.
Above-mentioned tooth bar and piston rod 6 are coaxially set, and one end of tooth bar is connected with the end thereof contacts of piston rod 6.
Above-mentioned bearing pin 10 includes bearing pin ball set and is sleeved on the bearing pin ball sleeve outside bearing pin ball set.
The two ends of above-mentioned force-output shaft 8 are arranged on casing 1 respectively by upper bearing (metal) 17 and lower bearing 18.
Above-mentioned piston 7 is fixed on one end of piston rod 6 by piston back nut 19 and nut 20.
All joints of the present utility model all seal with O RunddichtringO.
For the ease of rotating, between handwheel 12 and turbine shaft or gear shaft, be provided with tapered roller bearing.
One end that piston rod 6 of the present utility model is adjacent with screw mandrel 16 is the arc shaped surface of outwardly convex, and one end of corresponding screw mandrel 16 is the arc shaped surface concaved.Increase screw mandrel 16 promotes combination force when piston rod 6 moves, mobile more steady.
Working principle of the present utility model is:
Under normal circumstances, screw mandrel 16 in manual-operating mechanism crouches, gas enters cylinder body 4 by the inlet hole on cylinder cap 5 and promotes piston 7 and move, piston compression spring 13,14 simultaneously, bearing pin 10 on piston rod 6 drives shift fork 9 and force-output shaft 8 to rotate, the valve core rotation of force-output shaft 8 with movable valve, realizes final controlling element and closes;
When cylinder cap air outlet hole is vented, spring 13,14 promotes piston reverses direction and moves, thus drives shift fork 9 and force-output shaft 8 counterrotating to realize final controlling element to open;
When manually-operable handwheel 12, rotation hand wheel 12, screw mandrel 16 moves toward overhanging promotion piston 7, simultaneously Compress Spring 13,14, drives shift fork 9 and force-output shaft 8 to rotate the closedown realizing final controlling element;
When handwheel 12 counterrotating formula, screw mandrel 5 is retracted, and spring 13,14 extends promotion piston 6 and moves, and shift fork 9 and force-output shaft 8 counterrotating, realize opening of final controlling element.
Above-described embodiment is only one of preferred embodiment of the present utility model; not limit practical range of the present utility model with this; therefore: all equivalence changes done according to shape of the present utility model, structure, principle, all should be covered by within protection domain of the present utility model.
Claims (8)
1. the single-action pneumatic executor with handwheel, it is characterized in that: include casing, one end of casing is provided with end cap, the other end is provided with coupling, coupling connects one end of cylinder body, the other end of cylinder body is provided with cylinder cap, piston rod is provided with in cylinder body, one end of piston rod is stretched in casing through coupling, the other end is provided with piston, spring is provided with between piston and coupling, cylinder cap is provided with inlet hole and air outlet hole, axes normal is provided with in the force-output shaft of piston rod in described casing, the two ends of force-output shaft are arranged on casing, force-output shaft is provided with shift fork, the piston rod being positioned at casing is provided with bearing pin, bearing pin is arranged in the opening of shift fork, the casing of force-output shaft one end is provided with the lower flange connecting valve flanges, the spool of valve is connected with one end of force-output shaft, the operating device of band handwheel is provided with in the side of cylinder cap,
Inlet hole is inflated or manually-operable operating device in cylinder body, and piston rod and piston are moved to the left, and bearing pin shift fork is rotated, and then drives force-output shaft to rotate, the valve core rotation of force-output shaft band movable valve, and final controlling element is closed; Air outlet hole exhaust or manual reverse operating operating device, spring force driven plunger and piston rod are toward moving right, and the bearing pin on piston rod oppositely mobile shift fork, force-output shaft and the spool of driving rotates backward, and final controlling element is opened.
2. a kind of single-action pneumatic executor with handwheel according to claim 1, it is characterized in that: described spring includes inner spring and outer spring, described outer spring is sleeved in inner spring.
3. a kind of single-action pneumatic executor with handwheel according to claim 1, is characterized in that: described operating device includes screw mandrel and the worm gear with screw mandrel engagement driving, and turbine shaft is provided with handwheel; Or described operating device includes tooth bar, the gear with tooth bar engagement driving, gear shaft is provided with handwheel.
4. a kind of single-action pneumatic executor with handwheel according to claim 3, it is characterized in that: described screw mandrel and piston rod are coaxially set, one end of screw mandrel is connected with the end thereof contacts of piston rod.
5. a kind of single-action pneumatic executor with handwheel according to claim 3, it is characterized in that: described tooth bar and piston rod are coaxially set, one end of tooth bar is connected with the end thereof contacts of piston rod.
6. a kind of single-action pneumatic executor with handwheel according to claim 1, is characterized in that: described bearing pin includes bearing pin ball set and is sleeved on the bearing pin ball sleeve outside bearing pin ball set.
7. a kind of single-action pneumatic executor with handwheel according to claim 1, is characterized in that: the two ends of described force-output shaft are arranged on casing respectively by upper bearing (metal) and lower bearing.
8. a kind of single-action pneumatic executor with handwheel according to claim 1, is characterized in that: described piston is fixed on one end of piston rod by piston back nut and nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520210534.7U CN204553405U (en) | 2015-03-28 | 2015-03-28 | A kind of single-action pneumatic executor with handwheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520210534.7U CN204553405U (en) | 2015-03-28 | 2015-03-28 | A kind of single-action pneumatic executor with handwheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204553405U true CN204553405U (en) | 2015-08-12 |
Family
ID=53828521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520210534.7U Expired - Fee Related CN204553405U (en) | 2015-03-28 | 2015-03-28 | A kind of single-action pneumatic executor with handwheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204553405U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499863A (en) * | 2016-12-04 | 2017-03-15 | 重庆永富电线电缆有限公司 | Pneumatic actuator structure for cable production |
| CN106763803A (en) * | 2015-11-20 | 2017-05-31 | 中国石油化工股份有限公司 | A kind of control valve for small flows |
| CN107631082A (en) * | 2017-09-26 | 2018-01-26 | 无锡福斯拓科科技有限公司 | A kind of manual pneumatic actuator umbrella tooth mechanism of band |
| CN111491748A (en) * | 2017-12-11 | 2020-08-04 | Cml国际有限公司 | Hydraulic operated rotary pipe bender |
| CN111550595A (en) * | 2020-05-26 | 2020-08-18 | 浙江百川智控阀门有限公司 | Multifunctional actuator |
| CN113883319A (en) * | 2021-10-27 | 2022-01-04 | 大连中和聚能自动控制系统有限公司 | Manual-automatic integrated pneumatic actuator capable of automatically switching |
-
2015
- 2015-03-28 CN CN201520210534.7U patent/CN204553405U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763803A (en) * | 2015-11-20 | 2017-05-31 | 中国石油化工股份有限公司 | A kind of control valve for small flows |
| CN106763803B (en) * | 2015-11-20 | 2019-03-19 | 中国石油化工股份有限公司 | A kind of control valve for small flows |
| CN106499863A (en) * | 2016-12-04 | 2017-03-15 | 重庆永富电线电缆有限公司 | Pneumatic actuator structure for cable production |
| CN107631082A (en) * | 2017-09-26 | 2018-01-26 | 无锡福斯拓科科技有限公司 | A kind of manual pneumatic actuator umbrella tooth mechanism of band |
| CN111491748A (en) * | 2017-12-11 | 2020-08-04 | Cml国际有限公司 | Hydraulic operated rotary pipe bender |
| CN111491748B (en) * | 2017-12-11 | 2023-03-14 | Cml国际有限公司 | Hydraulic operated rotary pipe bender |
| CN111550595A (en) * | 2020-05-26 | 2020-08-18 | 浙江百川智控阀门有限公司 | Multifunctional actuator |
| CN113883319A (en) * | 2021-10-27 | 2022-01-04 | 大连中和聚能自动控制系统有限公司 | Manual-automatic integrated pneumatic actuator capable of automatically switching |
| CN113883319B (en) * | 2021-10-27 | 2023-08-25 | 大连中和聚能自动控制系统有限公司 | Manual-automatic integrated pneumatic actuator capable of being automatically switched |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 |