CN207527104U - Valve actuator manual switching device - Google Patents
Valve actuator manual switching device Download PDFInfo
- Publication number
- CN207527104U CN207527104U CN201721539728.7U CN201721539728U CN207527104U CN 207527104 U CN207527104 U CN 207527104U CN 201721539728 U CN201721539728 U CN 201721539728U CN 207527104 U CN207527104 U CN 207527104U
- Authority
- CN
- China
- Prior art keywords
- manual
- valve actuator
- switching device
- clutch
- worm gear
- 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.)
- Withdrawn - After Issue
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Abstract
Valve actuator manual switching device.It is related to the manual switching device of valve actuator more particularly to valve actuator.Provide a kind of safe and reliable, simple in structure, response in time, reset that rapid, economy of space is high and labour-saving valve actuator manual switching device.The valve actuator includes matrix, clutch, output shaft, worm gear and manual components, the manual components include manual actuation part and the handwheel being located at the top of manual actuation part, the manual switching device includes switching shaft, drive screw, driving cam, increases arm crank, torsional spring and supporting rod, the top of the clutch is switching contact site, bottom is output driving section, spacing is equipped between the switching contact site and worm gear of the clutch, the support end for increasing arm crank and supporting rod are located in spacing.The utility model is compact-sized, and securely and reliably, easy to operate, response is rapid, and hand/electronic transition effect is more reasonable.
Description
Technical field
The utility model is related to valve actuator more particularly to the manual switching devices of valve actuator.
Background technology
In valve actuator, manual switching device is indispensable.It usually the driving energies such as moves in electricity, air-liquid to lose
In the case of effect, valve actuator needs manual switching device to ensure that it remains to keep the open and close control to valve.
At present, the operating force needed for conventional use of executing agency's manual switching device is larger, when especially band carries switching；
Therefore, to the more demanding of correlated parts material property and intensity itself；Secondly, switching handle is longer, causes required operation empty
Between it is larger, the installation of electric operator is also subject to certain restrictions.
Utility model content
The utility model in view of the above problems, provide a kind of safe and reliable, simple in structure, response in time, reset it is rapid,
Economy of space is high and labour-saving valve actuator manual switching device.
The technical solution of the utility model is：The valve actuator include matrix, clutch, output shaft, worm gear and
Manual components,
The manual components include manual actuation part and the handwheel being located at the top of manual actuation part, the manual actuation
Part, clutch and worm gear are located in matrix and are sleeved on output shaft successively, and the top of the clutch is used for and manual actuation
The bottom engagement of part, bottom are used to engage with worm gear；
It is characterized in that, the manual switching device is located on matrix, for driving clutch lifting action, it is described manual
Switching device includes switching shaft, drive screw, driving cam, increases arm crank, torsional spring and supporting rod,
The switching shaft is L-shaped, including switching handle and connection fastening end, and the switching handle is actively installed on matrix,
The connection fastening end drives driving cam spinning movement,
The driving cam is driven by drive screw increases arm crank, and the increasing arm crank is located at base by the axis that is located by connecting
In vivo, the supporting rod is movably arranged on the support end for increasing arm crank by torsional spring；
The top of the clutch is switching contact site, bottom is to export driving section, the switching contact site of the clutch
Spacing is equipped between worm gear, the support end for increasing arm crank and supporting rod are located in spacing.
The driving cam has driving end and connecting pin, and the driving end of the driving cam is hook-shaped in circle and for connecing
Drive screw is touched, described matrix is equipped with perforation, and the connecting pin of the driving cam is located in perforation and the company of connection switching shaft
Connect fastening end.
The increasing arm crank has connecting pin and support end, and the connecting pin for increasing arm crank is connected through a screw thread transmission spiral shell
Bar, the axis that is located by connecting are located in the axis hole for increasing arm crank, and the two is connected by pin.
Limited block and reset tension spring are further included, the limited block is located on matrix, and the reset tension spring limits for connecting
Block and driving cam.
Engaging tooth is equipped on the inside of the upper surface of the worm gear, the clutch and engaging tooth are meshed.
Described matrix is equipped with sliding slot, and the drive screw is slidably connected in sliding slot.
The upper surface of the worm gear is additionally provided with boss, the boss be used for manual switching to it is electronic when contact supporting rod,
Forced down worm gear
The utility model at work, when executing agency by it is electronic be switched to manual when, by rotating counterclockwise switching shaft
Driving cam is driven, driving cam drives drive screw, and drive screw, which drives, increases arm crank, increases arm crank handle turns support end,
Under torsional spring effect, supporting rod stands on worm gear upper surface, and switching supporting block realizes clutch and worm gear by being above lifted off clutch
It is detached from, and then reaching makes executing agency be switched to manually purpose by electronic；
When executing agency is electronic by manual switching, worm gear rotation drives boss that supporting rod is forced down snail by worm gear
Upper surface is taken turns, so as to fall clutch, by clutch and worm gear, clutch is driven by worm gear, clutch drives defeated
Shaft, it is electronic so as to fulfill executing agency is made to be switched to by manual mode.
The utility model is compact-sized, and securely and reliably, easy to operate, response is rapid, and hand/electronic transition effect is more
Rationally.
Description of the drawings
Fig. 1 is the structure diagram of the utility model,
Fig. 2 is manual switching device structural scheme of mechanism,
Fig. 3 is manual switching device sectional view,
Fig. 4 is the structure diagram of worm gear；
1 is matrix in Fig. 1, and 2 be clutch, and 21 be switching contact site, and 3 be output shaft, and 4 be worm gear, and 41 be boss, and 42 are
Engaging tooth,
51 be manual actuation part, and 52 be handwheel,
61 be switching shaft, and 611 be switching handle, and 612 be connection fastening end,
62 be drive screw, and 621 be positioning end, and 622 be linkage section, and 623 be driving end,
63 be driving cam, and 631 be driving end, and 632 be connecting pin,
65 be limited block,
66 is increase arm crank, and 661 be support end, and 662 be supporting rod, and 663 be torsional spring, and 664 be connecting pin, and 665 be axis hole,
666 be pin hole,
67 be reset tension spring,
68 be the axis that is located by connecting, and 681 be positioning shaft shoulder, and 682 be dowel hole, and 683 be circlip groove,
7 be spacing.
Specific embodiment
As shown in Figs 1-4, the valve actuator includes matrix 1, clutch 2, output shaft 3, worm gear 4 to the utility model
And manual components,
The manual components include manual actuation part 51 and the handwheel 52 being fixed at the top of manual actuation part, described manual
Actuator, clutch and worm gear are located in matrix and are set on output shaft successively, and the upper end tooth of the clutch is used for and hand
The lower end tooth engagement of dynamic actuator, lower end tooth are used to engage tooth engagement with worm gear；
The manual switching device is located on matrix, for driving clutch lifting action, the manual switching device packet
It includes switching shaft 61, drive screw 62, driving cam 63, increase arm crank 66, supporting rod 662 and torsional spring 663；
The switching shaft 61 is L-shaped, including switching handle and connection fastening end, and the switching handle is actively installed on matrix
On, the connection fastening end drives driving cam spinning movement；
The drive screw 62 includes positioning end, linkage section and driving end, and spiral shell is carried out with increasing arm crank by linkage section 622
It connects, the axially position being spirally connected by positioning end 621, driven driving cam by switching shaft and then is driven by driving end 623
Increase arm crank；
The driving cam 63 is driven by drive screw increases arm crank, the casting for increasing arm crank and being integrally formed
Part；
The clutch 2 includes integrally formed switching contact site 21 and output driving section, and the switching of the clutch connects
Spacing 7 is equipped between contact portion and worm gear（As shown in Figure 1）, it is described switching supporting block be located in spacing.
The driving cam 63 has driving end 631 and a connecting pin 632, the driving end of the driving cam in circle it is hook-shaped,
And for Contact Transmission screw rod, described matrix is equipped with perforation, and the connecting pin of the driving cam is located in perforation and connection is cut
Change the connection fastening end of axis so that driving cam is reliably movably connected on matrix.
The cast member for increasing arm crank 66 and being integrally formed, including support end 661, connecting pin 664, axis hole 665 and pin
Hole 666, the supporting rod are movably arranged on support end by torsional spring, and the support end and supporting rod are located at clutch after installing
Switching contact site and worm gear spacing 7 in, the connecting pin with drive screw for being spirally connected.
The axis hole for increasing arm crank and pin hole limit its freedom of motion, institute for being coordinated with the axis that is located by connecting
State supporting rod and be movably arranged on the support end for increasing arm crank by torsional spring, the support end be located at the switching contact site of clutch with
In the spacing of worm gear.
Limited block 65 is further included, the limited block is located on matrix, and the limited block is used for the limiting of driving cam 63；Make
It is reliable to obtain driving cam position, improves the reliability of switching.
Reset tension spring 67 is further included, the reset tension spring both ends connect limited block and driving cam respectively so that switching is dynamic
Driving cam drives switching shaft to reset after the completion of work, avoids causing secondary switching clamping stagnation by resetting unsuccessful, it is dynamic to improve switching
The reliability of work.
The limited block is used for the limiting of driving cam, and the reset tension spring is used for the reset of driving cam.
The axis 68 that is located by connecting is further included, including positioning shaft shoulder 681, dowel hole 682 and circlip groove 683, the positioning connects
Spindle is installed by both ends installation axle assigned in matrix, is kept off by side positioning shaft shoulder and opposite side circlip groove installation axle elasticity
Circle limits its axial movement, is connect by dowel hole with increasing arm crank, and then the degree of freedom for increasing arm crank is constrained, only
Retain the axial rotation for increasing arm crank.
Engaging tooth 42 is equipped on the inside of the upper surface of the worm gear, the clutch and engaging tooth are meshed so that the two is nibbled
It closes reliably, facilitates transmission.
Described matrix is equipped with sliding slot, and the drive screw is slidably connected in sliding slot, in this way so that increase arm crank along
Fixation locus moves, reliable in action.
The upper surface of the worm gear is additionally provided with boss 41, and the boss rotates for contacting supporting rod when switching in worm gear
When, supporting rod is forced down by boss, reliable in action.
In this way, manual switching to it is electronic when contact supporting rod, forced down worm gear upper surface, complete switching.
In practical application, manual switching device 6 include switching shaft 61, drive screw 62, driving cam 63, limited block 65,
Increase arm crank 66, reset tension spring 67, connecting shaft 68, the increasing arm crank includes support end 661, supporting rod 662 and torsional spring 663.
The switching shaft 61 is bending part, is put including switching handle 611 with connecting fastening end 612, the switching handle 611
Outside described matrix, to receive the torque artificially applied, the connection fastening end 612 is 61 bending of switching shaft end
End if justifying the upper and threaded hole conllinear with a certain diameter of 61 tail end section of switching shaft there are two identical graduation is located at, is used for
Fastening is attached with the driving cam 63；
The driving cam 63 is stamping parts, and including driving end 631 and connecting pin 632, the driving end 631 is side light
Sliding circular arc hook design, the torque for the switching shaft 61 to be received pass to the drive screw 62, the connecting pin
632 be with the switching shaft 61 to connect the concentric circular configuration in fastening end 612, equipped with the tapped through hole positioned at the center of circle, for
The driving cam 63 is attached fastening；
It is described increase arm crank 66 include the connecting pin 664 being connected with the drive screw 62 and with the axis 68 that is located by connecting
The axis hole 665 and pin hole 666 being connected, the connecting pin 664 be equipped be located at symmetry axis on tapped through hole, for the biography
Dynamic screw rod 62 is connected, and the axis hole 665 is positioned at the through-hole for increasing center location in the middle part of arm crank, for that will increase 66 sets of arm crank
On the axis 68 that is located by connecting, the pin hole 666 is positioned at the unilateral through-hole for increasing circumference in the middle part of arm crank, passes through pin and connecting shaft
68 connections increase the unnecessary degree of freedom of arm crank with constraint, and the support end 661 is equipped with connect required through-hole with supporting rod 662
And the block that the limitation supporting rod 662 moves, the torsional spring 663 be assemblied in the supporting rod 662 and the support end 661 it
Between；
The drive screw 62 include positioning end 621, linkage section 622 and driving end 623, the positioning end 621 be with
The column structure of shoulder, for 62 side of drive screw to be axially positioned on the increasing arm crank 66, the linkage section
622 be stage casing, and equipped with screw thread, the drive screw 62 is axially positioned on the increasing arm crank jointly with the positioning end 621
On 66, the driving end 623 is smooth shaft, and the driving cam 63 will drive the increasing arm crank by the driving end 623
66；
The limited block 65 is set in described matrix 1, for limiting 63 movement angle of driving cam.
67 both ends of reset tension spring connect the driving cam 63 and the limited block 65 respectively so that switching action is complete
Switching shaft is driven to reset into rear driving cam, avoid causing secondary switching clamping stagnation by resetting unsuccessful.
Boss 41 is further included, is fixed on 4 upper surface of worm gear.
The operation principle of the utility model is：When valve actuator need by it is electronic be switched to manual when, counterclockwise turn
Dynamic switching handle 611, drives driving cam driving end 631, drives drive screw 62, drive and increase arm crank 66, drive support end
661, supporting rod 662 coordinates torsional spring 663 to stand on 4 upper surface of worm gear after squeezing 4 edge of worm gear, under the action of support end 661,
Lift with manual actuation part 51 to being connected on clutch 2, and rotatable handwheel 52 drives clutch 2 and then drives 3 turns of output shaft at this time
It is dynamic, so as to fulfill manual operation.
When manual switching is electronic, the rotation of worm gear 4 drives the boss 41 for being fixed on worm gear upper surface to rotate, raised head face
Edge turns to when supporting rod 662 contacts and is forced down worm gear upper surface, and clutch 2 loses support, under self gravitation effect
It falls and is engaged with the engaging tooth of worm gear 4 42, and rotated with worm gear, be further driven to output shaft 3 and rotate, realize manual switching for electricity
Dynamic process.
Claims (7)
1. valve actuator manual switching device, the valve actuator include matrix, clutch, output shaft, worm gear and
Manual components,
The manual components include manual actuation part and the handwheel that is located at the top of manual actuation part, the manual actuation part, from
Clutch and worm gear are located in matrix and are sleeved on output shaft successively, and the top of the clutch is used for and manual actuation part
Bottom engagement, bottom are used to engage with worm gear；
It is characterized in that, the manual switching device is located on matrix, for driving clutch lifting action, the manual switching
Device includes switching shaft, drive screw, driving cam, increases arm crank, torsional spring and supporting rod,
The switching shaft is L-shaped, including switching handle and connection fastening end, and the switching handle is actively installed on matrix, described
It connects fastening end and drives driving cam spinning movement,
The driving cam is driven by drive screw increases arm crank, and the increasing arm crank is located at matrix by the axis that is located by connecting
Interior, the supporting rod is movably arranged on the support end for increasing arm crank by torsional spring；
The top of the clutch is switching contact site, bottom is output driving section, the switching contact site of the clutch and snail
Spacing is equipped between wheel, the support end for increasing arm crank and supporting rod are located in spacing.
2. valve actuator manual switching device according to claim 1, which is characterized in that the driving cam has
Driving end and connecting pin, the driving end of the driving cam is hook-shaped in circle and for Contact Transmission screw rod, and described matrix is equipped with
Perforation, the connecting pin of the driving cam is located in perforation and the connection fastening end of connection switching shaft.
3. valve actuator manual switching device according to claim 2, which is characterized in that the increasing arm crank has
Connecting pin and support end, the connecting pin for increasing arm crank are connected through a screw thread drive screw, and the axis that is located by connecting is located at increasing
In the axis hole of arm crank, the two is connected by pin.
4. according to the valve actuator manual switching device any in claim 1-3, which is characterized in that further include limit
Position block and reset tension spring, the limited block are located on matrix, and the reset tension spring is used to connect limited block and driving cam.
5. valve actuator manual switching device according to claim 1, which is characterized in that the upper surface of the worm gear
Inside is equipped with engaging tooth, and the clutch and engaging tooth are meshed.
6. valve actuator manual switching device according to claim 1, which is characterized in that described matrix, which is equipped with, to be slided
Slot, the drive screw are slidably connected in sliding slot.
7. valve actuator manual switching device according to claim 3, which is characterized in that the upper surface of the worm gear
Be additionally provided with boss, the boss be used for manual switching to it is electronic when contact supporting rod, forced down worm gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721539728.7U CN207527104U (en) | 2017-11-16 | 2017-11-16 | Valve actuator manual switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721539728.7U CN207527104U (en) | 2017-11-16 | 2017-11-16 | Valve actuator manual switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207527104U true CN207527104U (en) | 2018-06-22 |
Family
ID=62583249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721539728.7U Withdrawn - After Issue CN207527104U (en) | 2017-11-16 | 2017-11-16 | Valve actuator manual switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207527104U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701783A (en) * | 2017-11-16 | 2018-02-16 | 扬州电力设备修造厂有限公司 | A kind of valve actuator manual switching device |
| CN111425647A (en) * | 2020-03-03 | 2020-07-17 | 中国石化销售股份有限公司华南分公司 | Energy storage reset servo direct-drive type straight-stroke rapid cut-off execution device of energy accumulator |
-
2017
- 2017-11-16 CN CN201721539728.7U patent/CN207527104U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701783A (en) * | 2017-11-16 | 2018-02-16 | 扬州电力设备修造厂有限公司 | A kind of valve actuator manual switching device |
| CN111425647A (en) * | 2020-03-03 | 2020-07-17 | 中国石化销售股份有限公司华南分公司 | Energy storage reset servo direct-drive type straight-stroke rapid cut-off execution device of energy accumulator |
| CN111425647B (en) * | 2020-03-03 | 2022-05-20 | 中国石油化工股份有限公司 | Energy storage and reset servo direct-drive type straight-stroke rapid cut-off execution device of energy accumulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180622 Effective date of abandoning: 20230516 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180622 Effective date of abandoning: 20230516 |