CN110173590B - Dual-purpose actuator - Google Patents
Dual-purpose actuator Download PDFInfo
- Publication number
- CN110173590B CN110173590B CN201910572536.3A CN201910572536A CN110173590B CN 110173590 B CN110173590 B CN 110173590B CN 201910572536 A CN201910572536 A CN 201910572536A CN 110173590 B CN110173590 B CN 110173590B
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- China
- Prior art keywords
- rod
- telescopic
- sleeve
- support plate
- moving rod
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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
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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
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
Abstract
The invention discloses a dual-purpose actuator, which comprises a support plate, wherein a telescopic mechanism is arranged on the support plate, a telescopic rod is arranged on the telescopic mechanism, a touch ring is arranged on the telescopic rod, the touch ring is sleeved on the telescopic rod, an upper external thread is arranged at one end of the telescopic rod, which faces the telescopic mechanism, a lower external thread is arranged at one end of the telescopic rod, which faces away from the telescopic mechanism, a first internal thread is arranged on the inner wall of the touch ring, and the first internal thread is used for being in threaded connection with the upper external thread and the lower external thread; a moving rod is arranged at one end, opposite to the telescopic rod, of the support plate, back to the telescopic mechanism, a hollow channel is formed in the moving rod, second internal threads are arranged in the hollow channel, and the second internal threads are in threaded connection with the lower external threads; the outer diameter of the interference ring is larger than the diameter of the motion rod; through the technical scheme, the linear and rotary modes of the actuator can be switched.
Description
Technical Field
The invention relates to the field of valves, in particular to a dual-purpose actuator.
Background
The actuator is an essential important component of an automatic control system. It is used to receive the control signal from the controller and change the size of the controlled medium to maintain the controlled variable at the required value or in certain range.
The valve actuators in the prior art are classified into a linear type and a rotary type in the motion process, wherein the linear type motion trajectory is linear motion, and the rotary type motion trajectory is rotary. While actuators currently on the market can only perform one function.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a dual-purpose actuator capable of controlling the action of a straight valve and controlling a rotary valve.
In order to achieve the purpose, the invention provides the following technical scheme:
a dual-purpose actuator comprises a support plate, wherein a telescopic mechanism is arranged on the support plate, a telescopic rod is arranged on the telescopic mechanism, the telescopic rod is provided with a contact ring, the contact ring is sleeved on the telescopic rod, an upper external thread is arranged at one end of the telescopic rod, which faces the telescopic mechanism, a lower external thread is arranged at one end, which faces away from the telescopic mechanism, of the telescopic rod, a first internal thread is arranged on the inner wall of the contact ring, and the first internal thread is used for being in threaded connection with the upper external thread and the lower external thread;
a moving rod is arranged at one end, opposite to the telescopic rod, of the support plate, back to the telescopic mechanism, a hollow channel is formed in the moving rod, second internal threads are arranged in the hollow channel, and the second internal threads are in threaded connection with the lower external threads;
the outer diameter of the interference ring is larger than the diameter of the motion rod;
the support plate is also provided with a limiting mechanism for limiting the movement of the moving rod in the telescopic direction of the telescopic rod, and the moving rod can only rotate after the limiting mechanism limits the movement of the moving rod;
and one side of the moving rod, which is back to the telescopic rod, is provided with a mounting plate for connecting a valve.
As a further improvement of the present invention,
and a return mechanism for keeping the moving rod to move towards the telescopic rod is arranged between the support plate and the moving rod.
As a further improvement of the present invention,
the return mechanism comprises an extension disc, a fixing plate and a spring;
the extension disc is arranged on the moving rod, the fixing plate is arranged on the support plate, and two ends of the spring are respectively abutted against the extension disc and the fixing plate.
As a further improvement of the present invention,
the support plate is provided with an upper sleeve and a lower sleeve, the moving rod is sleeved in the upper sleeve and the lower sleeve, a gap is reserved between the upper sleeve and the lower sleeve, and the extension disc extends out of the gap between the upper sleeve and the lower sleeve.
As a further improvement of the present invention,
the spring is sleeved outside the upper sleeve and the lower sleeve.
As a further improvement of the present invention,
the limiting mechanism comprises a positioning block, a threaded rod and a concave groove;
the positioning block is arranged on the support plate, a threaded hole is formed in the positioning block, the opening direction of the threaded hole faces the moving rod, the threaded rod is connected into the threaded hole in a threaded mode, and the concave groove is formed in the outer side of the moving rod and used for allowing one end of the threaded rod to enter.
As a further improvement of the present invention,
the threaded rod is provided with the kicking block towards the one end of depressed groove, the kicking block is arranged in getting into the depressed groove.
As a further improvement of the present invention,
a middle sleeve is arranged between the upper sleeve and the lower sleeve, gaps are formed in the middle sleeve, the upper sleeve and the lower sleeve, and the sunken groove is located in the gap between the middle sleeve and the upper sleeve.
In the using process of the valve, the valve has two states, one state is a linear state, in the state, the telescopic mechanism can select a telescopic cylinder, the telescopic rod is an output end of the telescopic cylinder, the telescopic cylinder is driven to move, so that the telescopic rod moves towards the moving rod, in the state, the first internal thread on the abutting ring is connected into the lower external thread on the telescopic rod, the external diameter of the abutting ring is larger than the diameter of the moving rod, at the moment, the moving rod can be pushed to move through the abutting ring, the moving rod moves, and the mounting plate is mounted on the valve, so that the linear movement of the valve is realized. Switch to another state at needs, when the rotation state promptly, will conflict the ring and go out external screw thread down, will conflict the ring twist in last external screw thread can, screw-thread fit both can be realized to the second internal thread on external screw thread and the motion pole down like this, and spacing through stop gear, make the motion pole can not the direct-selection motion can realize rotatoryly, thereby motion pole and telescopic link have formed a lead screw structure, in telescopic link linear motion, rotary motion takes place for the motion pole, just so formed the double-purpose executor of a changeable motion mode.
Drawings
FIG. 1 is a schematic view of a rotating structure according to an embodiment of the present invention;
fig. 2 is a schematic view of a linear state structure according to an embodiment of the present invention.
Reference numerals:
1. a mounting plate; 2. a telescoping mechanism; 3. a telescopic rod; 4. a contact ring; 5. external threads are arranged; 6. a lower external thread; 7. a first internal thread; 8. a motion bar; 9. a hollow channel; 10. a second internal thread; 11. mounting a plate; 12. an extension tray; 13. a fixing plate; 14. a spring; 15. sleeving a sleeve; 16. setting a sleeve; 17. positioning blocks; 18. a recessed groove; 19. a top block; 20. a middle sleeve; 21. a threaded rod.
Detailed Description
The invention will be further described in detail with reference to the following examples, which are given in the accompanying drawings.
Referring to FIGS. 1 to 2, of the present embodiment
A dual-purpose actuator comprises a support plate 1, wherein a telescopic mechanism 2 is arranged on the support plate 1, a telescopic rod 3 is arranged on the telescopic mechanism 2, a contact ring 4 is arranged on the telescopic rod 3, the contact ring 4 is sleeved on the telescopic rod 3, an upper external thread 5 is arranged at one end, facing the telescopic mechanism 2, of the telescopic rod 3, a lower external thread 6 is arranged at one end, facing away from the telescopic mechanism 2, of the telescopic rod 3, a first internal thread 7 is arranged on the inner wall of the contact ring 4, and the first internal thread 7 is used for being in threaded connection with the upper external thread 5 and the lower external thread 6;
a moving rod 8 is arranged at one end, opposite to the telescopic rod 3, of the support plate 1, back to the telescopic mechanism 2, a hollow channel 9 is arranged on the moving rod 8, a second internal thread 10 is arranged in the hollow channel 9, and the second internal thread 10 is in threaded connection with the lower external thread 6;
the outer diameter of the contact ring 4 is larger than the diameter of the motion rod 8;
the support plate 1 is also provided with a limiting mechanism for limiting the movement of the moving rod 8 in the telescopic direction of the telescopic rod 3, and after the limiting mechanism limits the moving rod 8, the moving rod 8 can only rotate;
and a mounting plate 11 for connecting a valve is arranged on one side of the moving rod 8, which is back to the telescopic rod 3.
Through the technical scheme: in the using process of the valve, the valve has two states, one state is a linear state, in the state, the telescopic mechanism 2 can select a telescopic cylinder, the telescopic rod 3 is an output end of the telescopic cylinder, the telescopic cylinder is driven to move, so that the telescopic rod 3 moves towards the moving rod 8, in the state, the first internal thread 7 on the abutting ring 4 is connected into the lower external thread 6 on the telescopic rod 3, the outer diameter of the abutting ring 4 is larger than the diameter of the moving rod 8, at the moment, the moving rod 8 can be pushed to move through the abutting ring 4, and the mounting plate 11 is mounted on the valve, so that the linear movement of the valve is realized. Switch to another state at needs, when the rotation state promptly, will support contact ring 4 and screw out down external screw thread 6, will support ring 4 twist in last external screw thread 5 can, screw-thread fit both can be realized to second internal thread 10 on external screw thread 6 and the motion pole 8 down like this, and spacing through stop gear, make motion pole 8 can not directly select the motion and can realize rotatoryly, thereby motion pole 8 and telescopic link 3 have formed a lead screw structure, in 3 linear motion of telescopic link, rotary motion takes place for motion pole 8, just so formed the double-purpose executor of a changeable motion mode.
As a specific embodiment of the improvement,
a return mechanism for keeping the moving rod 8 moving towards the telescopic rod 3 is arranged between the support plate 1 and the moving rod 8.
Through the technical scheme, the return mechanism is arranged, so that the motion rod 8 can receive the return force to return to the original position after the linear motion is finished.
As a specific embodiment of the improvement,
the return mechanism comprises an extension disc 12, a fixed plate 13 and a spring 14;
the extension disc 12 is arranged on the moving rod 8, the fixing plate 13 is arranged on the bracket plate 1, and two ends of the spring 14 are respectively abutted against the extension disc 12 and the fixing plate 13.
Through the technical scheme, the two ends of the spring 14 are abutted against the extension plate and the fixing plate 13, so that the restoring force can be exerted on the moving rod 8, and the restoring device is simple in structure and easy to produce, process and operate.
As a specific embodiment of the improvement,
the support plate 1 is provided with an upper sleeve 15 and a lower sleeve 16, the moving rod 8 is sleeved in the upper sleeve 15 and the lower sleeve 16, a gap is reserved between the upper sleeve 15 and the lower sleeve 16, and the extension disc 12 extends out of the gap between the upper sleeve 15 and the lower sleeve 16.
Through the above technical scheme, the movement of the movement rod 8 can be limited by the arrangement of the upper sleeve 15 and the lower sleeve 16, and the deviation cannot occur. And the gap is set so that the extension disc 12 has sufficient space for movement.
As a specific embodiment of the improvement,
the spring 14 is sleeved outside the upper sleeve 15 and the lower sleeve 16.
Through the technical scheme, the spring 14 is sleeved outside the upper sleeve 15 and the lower sleeve 16, so that the spring 14 cannot deflect.
As a specific embodiment of the improvement,
the limiting mechanism comprises a positioning block 17, a threaded rod 21 and a concave groove 18;
the positioning block 17 is arranged on the support plate 1, a threaded hole is formed in the positioning block 17, the hole opening direction of the threaded hole faces the moving rod 8, the threaded rod 21 is connected into the threaded hole in a threaded mode, and the concave groove 18 is formed in the outer side of the moving rod 8 and allows one end of the threaded rod 21 to enter.
Through the technical scheme, when the rotating state is switched, the threaded rod 21 is continuously selected into the threaded hole, one end of the threaded rod 21 enters the concave groove 18 and only enters the concave groove without collision, and thus the moving rod 8 is enabled to form a state that the moving rod can only rotate but cannot move linearly.
As a specific embodiment of the improvement,
the end of the threaded rod 21 facing the recess 18 is provided with a top piece 19, which top piece 19 is intended to enter the recess 18.
Through the technical scheme, the top block 19 is arranged, so that the top block can be sunk into the concave groove 18, and the end part of the screw rod is rough, and the end part of the top block 19 is smooth and cannot damage the motion rod 8.
As a specific embodiment of the improvement,
a middle sleeve 20 is arranged between the upper sleeve 15 and the lower sleeve 16, gaps are respectively arranged between the middle sleeve 20 and the upper sleeve 15 and between the middle sleeve 20 and the lower sleeve 16, and the concave groove 18 is positioned at the gap position between the middle sleeve 20 and the upper sleeve 15. Through the technical scheme, through the arrangement of the middle sleeve 20, a child has a clearance position between the middle sleeve 20 and the upper sleeve 15, so that the threaded rod 21 can penetrate through the clearance position and enter the concave groove 18.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. A dual-purpose actuator is provided,
the support plate comprises a support plate (1), wherein a telescopic mechanism (2) is arranged on the support plate (1), a telescopic rod (3) is arranged on the telescopic mechanism (2), a touch ring (4) is arranged on the telescopic rod (3), the telescopic rod (3) is sleeved on the touch ring (4), an upper external thread (5) is arranged at one end of the telescopic rod (3) facing the telescopic mechanism (2), a lower external thread (6) is arranged at one end of the telescopic rod opposite to the telescopic mechanism (2), a first internal thread (7) is arranged on the inner wall of the touch ring (4), and the first internal thread (7) is used for being in threaded connection with the upper external thread (5) and the lower external thread (6);
one end of the support plate (1) opposite to the telescopic rod (3) and back to the telescopic mechanism (2) is provided with a moving rod (8), and the support plate is characterized in that: a hollow channel (9) is arranged on the moving rod (8), a second internal thread (10) is arranged in the hollow channel (9), and the second internal thread (10) is in threaded connection with the lower external thread (6);
the outer diameter of the contact ring (4) is larger than the diameter of the moving rod (8);
the support plate (1) is further provided with a limiting mechanism for limiting the movement of the moving rod (8) in the telescopic direction of the telescopic rod (3), and after the limiting mechanism limits the moving rod (8), the moving rod (8) can only rotate;
one side of the moving rod (8) back to the telescopic rod (3) is provided with a mounting plate (11) for connecting a valve.
2. A dual-use actuator as defined in claim 1, wherein:
a return mechanism for keeping the moving rod (8) moving towards the telescopic rod (3) is arranged between the support plate (1) and the moving rod (8).
3. A dual-use actuator as defined in claim 2, wherein:
the return mechanism comprises an extension disc (12), a fixing plate (13) and a spring (14);
the extension disc (12) is arranged on the moving rod (8), the fixing plate (13) is arranged on the support plate (1), and two ends of the spring (14) are respectively abutted against the extension disc (12) and the fixing plate (13).
4. A dual-use actuator as defined in claim 3, wherein:
the support plate (1) is provided with an upper sleeve (15) and a lower sleeve (16), the moving rod (8) is sleeved in the upper sleeve (15) and the lower sleeve (16), a gap is reserved between the upper sleeve (15) and the lower sleeve (16), and the extension disc (12) extends out of the gap between the upper sleeve (15) and the lower sleeve (16).
5. The dual-use actuator of claim 4, wherein:
the spring (14) is sleeved outside the upper sleeve (15) and the lower sleeve (16).
6. The dual-use actuator of claim 5, wherein:
the limiting mechanism comprises a positioning block (17), a threaded rod (21) and a concave groove (18);
the positioning block (17) is arranged on the support plate (1), a threaded hole is formed in the positioning block (17), the hole opening direction of the threaded hole faces the moving rod (8), the threaded rod (21) is connected in the threaded hole in a threaded mode, the concave groove (18) is formed in the outer side of the moving rod (8), and one end of the threaded rod (21) enters the concave groove.
7. The dual-use actuator of claim 6, wherein:
one end, facing the concave groove (18), of the threaded rod (21) is provided with an ejector block (19), and the ejector block (19) is used for entering the concave groove (18).
8. The dual-use actuator of claim 7, wherein:
a middle sleeve (20) is arranged between the upper sleeve (15) and the lower sleeve (16), gaps are formed among the middle sleeve (20), the upper sleeve (15) and the lower sleeve (16), and the concave groove (18) is located in the gap between the middle sleeve (20) and the upper sleeve (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910572536.3A CN110173590B (en) | 2019-06-27 | 2019-06-27 | Dual-purpose actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910572536.3A CN110173590B (en) | 2019-06-27 | 2019-06-27 | Dual-purpose actuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110173590A CN110173590A (en) | 2019-08-27 |
| CN110173590B true CN110173590B (en) | 2020-05-05 |
Family
ID=67699277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910572536.3A Active CN110173590B (en) | 2019-06-27 | 2019-06-27 | Dual-purpose actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110173590B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2248455A1 (en) * | 1973-10-17 | 1975-05-16 | Ferrero Ricardo | Heating system valve with tapped connection sleeves - smooth thin pipes are attached using O-ring and washer gripping pipe |
| DE3907288A1 (en) * | 1989-03-07 | 1990-09-13 | Siemens Ag | ACTUATOR FOR SAFETY VALVES |
| CN2654993Y (en) * | 2003-11-04 | 2004-11-10 | 王建南 | Dual-purpose operator driven by pneumatic and hand operation |
| WO2016162923A1 (en) * | 2015-04-06 | 2016-10-13 | 三菱電機株式会社 | Wastegate actuator and wastegate valve driving device |
| CN207470885U (en) * | 2017-09-30 | 2018-06-08 | 中国船舶重工集团公司第七0四研究所 | A kind of compact linear formula spool opening degree control device |
| CN108061167B (en) * | 2017-12-28 | 2024-02-23 | 宙斯流体系统（上海）有限公司 | Fluid injection device capable of adjusting flow |
| CN109723696B (en) * | 2018-12-29 | 2020-11-03 | 江苏大学 | Direct-acting-rotating composite pneumatic actuator |
-
2019
- 2019-06-27 CN CN201910572536.3A patent/CN110173590B/en active Active
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| Publication number | Publication date |
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| CN110173590A (en) | 2019-08-27 |
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| CP01 | Change in the name or title of a patent holder |
Address after: 325000 building 2-4, 553 Airport Avenue, Longwan District, Wenzhou City, Zhejiang Province Patentee after: Ainuo actuator Co.,Ltd. Address before: 325000 building 2-4, 553 Airport Avenue, Longwan District, Wenzhou City, Zhejiang Province Patentee before: IKNOW VALVE WENZHOU CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 325000 East, floor 1, building 4, No. 2367, Binhai 11th Road, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province Patentee after: Ainuo actuator Co., Ltd Address before: 325000 building 2-4, No. 553, Airport Avenue, Longwan District, Wenzhou City, Zhejiang Province Patentee before: Ainuo actuator Co., Ltd |
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| CP02 | Change in the address of a patent holder |