CN102494179A - Top mounted hand wheel mechanism - Google Patents
Top mounted hand wheel mechanism Download PDFInfo
- Publication number
- CN102494179A CN102494179A CN2011103778533A CN201110377853A CN102494179A CN 102494179 A CN102494179 A CN 102494179A CN 2011103778533 A CN2011103778533 A CN 2011103778533A CN 201110377853 A CN201110377853 A CN 201110377853A CN 102494179 A CN102494179 A CN 102494179A
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- Prior art keywords
- transmission shaft
- handwheel
- locking
- accommodating unit
- screw
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- Mechanically-Actuated Valves (AREA)
Abstract
The invention relates to a valve auxiliary manual mechanism, and particularly relates to a top mounted manual wheel mechanism applicable to a pneumatic diaphragm actuating mechanism. The top mounted hand wheel mechanism provided by the invention is applicable to the pneumatic diaphragm actuating mechanism, and at least comprises a hand wheel, a transmission shaft, a screw nut component and a connecting piece, wherein the transmission shaft is fixedly connected with the hand wheel, and is provided with an external thread; the screw nut component is sleeved on the transmission shaft, is in threaded connected with the external thread, and is provided with a first containing unit allowing the movement of the connecting piece; the connecting piece is provided with a connection rod, and can move in the first containing unit; the upper end of the connecting piece is limited to the first containing unit; and the connection rod can be connected with a pushing rod in the pneumatic diaphragm actuating mechanism. Compared with the prior art, the top mounted hand wheel mechanism provided by the invention can be universally applied to a positive acting-type pneumatic diaphragm actuating mechanism and a reverse acting-type pneumatic diaphragm actuating mechanism.
Description
Technical field
The present invention relates to a kind of valve nondominant hand actuation mechanism, particularly a kind of top dress handwheel that can be applicable to the pneumatic diaphragn actuating mechanism of positive interaction formula and reaction-type.
Background technique
Pneumatic diaphragm control valve is a kind of regulating controller in the pneumatic unit combination instrument; Be to produce to carry out one of important devices in the process automatic regulating system; It is accepted the output signal of regulation meter and closes and Open valve; Reach the isoparametric automatic adjusting of pressure, temperature, flow and liquid level, can be widely used in the automatic adjusting and the telecontrol of chemical industry, oil, metallurgy, electric power, light textile industry.At present, pneumatic diaphragm control valve commonly used mainly is made up of valve mechanism and actuator, and the push rod that links to each other through the centre between the two connects.Yet; Because the restriction of this body structure of pneumatic actuator, possibility that always exists actuator or control source of the gas to break down is as having a power failure, stop the supple of gas or steam or primary component (like diaphragm, spring, Sealing, the driving component etc.) damage of actuator and cause the situation that valve mechanism can not regular event; At this moment; Must utilize handwheel to carry out the keying of control valve manually,, prevent security incident to guarantee equipment and personal security.
But there is following defective in existing handwheel:
Existing handwheel can only be used for positive interaction formula pneumatic diaphragn actuating mechanism, maybe can only be used for the reaction-type pneumatic diaphragn actuating mechanism, and can not be common to positive interaction formula pneumatic diaphragn actuating mechanism and reaction-type pneumatic diaphragn actuating mechanism.
Summary of the invention
The object of the invention is to provide a kind of top dress handwheel; Existing handwheel can only be used for positive interaction formula pneumatic diaphragn actuating mechanism in the existing technology to solve; Maybe the reaction-type pneumatic diaphragn actuating mechanism can only be used for, and the technical matters of positive interaction formula pneumatic diaphragn actuating mechanism and reaction-type pneumatic diaphragn actuating mechanism can not be common to.
The object of the invention realizes through following technological scheme:
A kind of top dress handwheel is applied to pneumatic diaphragn actuating mechanism, comprises at least:
One handwheel;
One transmission shaft is fixedly connected with said handwheel, and said transmission shaft is provided with outside thread;
The screw parts, it is set on the said transmission shaft, and with the external thread bolt connection of said transmission shaft, it is provided with first accommodating unit that can hold the link motion; And
Link which is provided with connecting rod, and said link can move in said first accommodating unit, and the upper end of said link is limited in said first accommodating unit, and said connecting rod can be connected with the push rod in the pneumatic diaphragn actuating mechanism.
Preferably, also comprise a housing, said transmission shaft, said screw parts and said connecting rod are arranged in the said housing.
Preferably, said housing top is provided with loam cake, and said loam cake is set on the said transmission shaft.
Preferably, said loam cake side is provided with locking member, and said locking member can cooperate to lock said transmission shaft with said transmission shaft.
Preferably; Said locking member comprises locking tube, locking cap, check lock lever and spring, and an end of said check lock lever is fixedly connected in second accommodating unit of said locking cap, and the other end is movably arranged in the cavity of said locking tube; Said spring is arranged in the cavity of said locking tube; And be set on the said check lock lever, but in the cavity of the said locking tube of said check lock lever indentation, the cavity that also can stretch out said locking tube is to lock said transmission shaft.
Preferably; Said check lock lever comprises the check lock lever body; One end of said check lock lever body is provided with the inserted part; The other end is provided with the outside thread of the screw-internal thread fit in second accommodating unit with said locking cap, said spring and said inserted part butt, and said inserted part can snap in the hole of said transmission shaft to lock said transmission shaft.
Preferably; The bottom of said locking cap is provided with convex body; The cavity edge of the afterbody of said locking tube is provided with the 3rd accommodating unit that matches with said convex body, and said convex body can snap in said the 3rd accommodating unit, also can skid off the afterbody butt of said the 3rd accommodating unit and said locking tube.
Preferably, the head outside of said locking tube is provided with the outside thread that matches with the internal thread of said loam cake side.
Preferably, also be provided with the fastening piece that is used for fastening said check lock lever on the said locking cap.
Preferably, also comprise a pedestal, said pedestal is connected said lower part of frame, and said connecting rod can pass said pedestal and be connected with push rod.
Preferably; Said screw parts comprise screw and the gland that is set in the screw outside; Said screw is fixedly connected common said first accommodating unit that forms with said gland, said screw inboard is provided with the internal thread with the external thread bolt connection of said transmission shaft, and the material of said screw adopts copper.
Compared with prior art, the present invention has following advantage:
1, top of the present invention is adorned handwheel and can be common to positive interaction formula pneumatic diaphragn actuating mechanism and reaction-type pneumatic diaphragn actuating mechanism;
2, locking member of the present invention makes the helical thread portion of transmission shaft of handwheel all be enclosed in becomes possibility in the housing, it is dead to make handwheel be not easy rust in the open in environment or the corrosive environment;
When 3, dress handwheel in top of the present invention is installed on the pneumatic diaphragn actuating mechanism, need not take the film chamber of actuator apart;
4, dress handwheel in top of the present invention can be assembled in advance;
5, the screw in the screw parts of top of the present invention dress handwheel adopts copper to make, and can reduce the heat treatment requirements to transmission shaft, only need blackout to handle and get final product, and the friction factor of copper and steel is little, can not take place stuck;
6, the transmission shaft of top of the present invention dress handwheel is arranged on enclosure interior, can reduce maintenance times even non-maintaining.
Description of drawings
Fig. 1 is applied to the sectional view of positive interaction formula pneumatic diaphragn actuating mechanism for top of the present invention dress handwheel;
Fig. 2 is applied to the sectional view of reaction-type pneumatic diaphragn actuating mechanism for top of the present invention dress handwheel;
Fig. 3 is the sectional view of locking member of the present invention at released state;
Fig. 4 is the sectional view of locking member of the present invention at lock state;
Fig. 5 is the sectional view of the different amount of locking cap of the present invention;
Fig. 6 is the sectional view and the plan view of locking tube of the present invention.
Embodiment
Top of the present invention dress handwheel can be common to positive interaction formula pneumatic diaphragn actuating mechanism and reaction-type pneumatic diaphragn actuating mechanism.
Below in conjunction with accompanying drawing, specify the present invention.
See also Fig. 1,2, top of the present invention dress handwheel is applied to pneumatic diaphragn actuating mechanism, comprises at least: a handwheel 1; One transmission shaft 7 is fixedly connected with handwheel 1, and transmission shaft 7 is provided with outside thread; Screw parts 4, it is set on the transmission shaft 7, and with the external thread bolt connection of transmission shaft 7, it is provided with first accommodating unit 41 that can hold link 8 motions, and in this example, first accommodating unit 41 is a holding cavity; And link 8, which is provided with connecting rod 9, link 8 can move in first accommodating unit 41, and the upper end 81 of link 8 is limited in first accommodating unit, and connecting rod 9 can be connected with the push rod 10 in the pneumatic diaphragn actuating mechanism.
Top of the present invention dress handwheel also comprises a housing 3, and transmission shaft 7, screw parts 4 and connecting rod 9 are arranged in the housing 3.Transmission shaft 7 of the present invention is arranged in the housing 3, and rust is dead easily owing to be exposed in the air can to prevent transmission shaft 7, can reduce maintenance times even non-maintaining, thereby strengthen the reliability of top of the present invention dress handwheel.
See also Fig. 3-6; Locking member 2 comprises locking tube 21, locking cap 22, check lock lever 23 and spring 24, and an end of check lock lever 23 is fixedly connected in second accommodating unit of locking cap 22, and the other end is movably arranged in the cavity 211 of locking tube 21; Spring 24 is arranged in the cavity 211 of locking tube; And be set on the check lock lever 23, but in the cavity 211 of check lock lever 23 indentations locking tube, the cavity 211 that also can stretch out the locking tube is with locking transmission shaft 7.
The bottom of locking cap 22 is provided with convex body 222; The cavity edge of the afterbody of locking tube 21 is provided with the 3rd accommodating unit 212 that matches with convex body 222; Convex body 222 can snap in the 3rd accommodating unit 212, also can skid off the 3rd accommodating unit 212 and the afterbody butt of locking tube 21.Also be provided with the fastening piece 221 that is used for fastening check lock lever 23 on the locking cap 22, in this example, fastening piece 221 is a Cock screw.
The head outside of locking tube 21 is provided with the outside thread 213 that matches with the internal thread of loam cake side.
Locking member of the present invention makes the helical thread portion of transmission shaft of handwheel all be enclosed in becomes possibility in the housing, it is dead to make handwheel be not easy rust in the open in environment or the corrosive environment.
The present invention also comprises a pedestal 5, and pedestal 5 is connected the bottom of housing 3, and connecting rod 9 can pass pedestal 5 and be connected with push rod 10.Top of the present invention dress handwheel can be assembled in advance, is connected with pneumatic diaphragn actuating mechanism more afterwards, need the film chamber opening of actuator can not accomplished assembling, and more convenient operation also can be increased work efficiency.
The screw parts comprise screw and the gland that is set in the screw outside, and screw is fixedly connected common formation first accommodating unit with said gland, and the screw inboard is provided with the internal thread with the external thread bolt connection of transmission shaft, the material employing copper of screw.Screw in the screw parts of top of the present invention dress handwheel adopts copper to make, and can reduce the heat treatment requirements to transmission shaft, only need blackout to handle and get final product, and the friction factor of copper and steel is little, can not take place stuck.
When being used for positive interaction formula pneumatic diaphragn actuating mechanism, like Fig. 1, (or counterclockwise) rotates handwheel 1 clockwise; Rotate thereby drive transmission shaft 7, screw parts 4 do relative motion with transmission shaft 7, and screw parts 4 are moved downward; Screw parts 4 compress the upper end 81 of link 8 downwards; Thereby link 8, connecting rod 9 are moved downward together, move downward thereby promote push rod 10, i.e. the can regulate pneumatic diaphragn actuating mechanism.
When being used for the reaction-type pneumatic diaphragn actuating mechanism, like Fig. 2, (or clockwise) rotated handwheel 1 counterclockwise; Rotate thereby drive transmission shaft 7, screw parts 4 do relative motion with transmission shaft 7, and screw parts 4 are moved upward; The upper end 81 that screw parts 4 drive link 8 moves upward; Thereby link 8, connecting rod 9 are moved upward together, thereby pulling push rod 10 move upward, i.e. the can regulate pneumatic diaphragn actuating mechanism.
In the time will locking transmission shaft 7, rotation lock cap 22 makes convex body 222 snap in the 3rd accommodating unit 212 of locking tube 21 afterbodys, and then the inserted part 231 of check lock lever 23 snaps in the hole of transmission shaft 7, and promptly lockable transmission shaft 7 rotates to prevent transmission shaft 7, like Fig. 4.When wanting release, be pulled outwardly moving locking cap 22 slightly, make convex body 222 skid off the 3rd accommodating unit 212 and the afterbody butt of locking tube 21, at this moment, inserted part 231 skids off the hole of transmission shaft 7, gets final product release transmission shaft 7, transmission shaft 7 rotatable shafts such as Fig. 3.
More than the disclosed several specific embodiments that are merely the application, but the application is not limited thereto, any those skilled in the art can think variation, all should drop in the application's the protection domain.
Claims (11)
1. a top dress handwheel is applied to pneumatic diaphragn actuating mechanism, it is characterized in that, comprises at least:
One handwheel;
One transmission shaft is fixedly connected with said handwheel, and said transmission shaft is provided with outside thread;
The screw parts, it is set on the said transmission shaft, and with the external thread bolt connection of said transmission shaft, it is provided with first accommodating unit that can hold the link motion; And
Link which is provided with connecting rod, and said link can move in said first accommodating unit, and the upper end of said link is limited in said first accommodating unit, and said connecting rod can be connected with the push rod in the pneumatic diaphragn actuating mechanism.
2. a kind of top as claimed in claim 1 dress handwheel is characterized in that also comprise a housing, said transmission shaft, said screw parts and said connecting rod are arranged in the said housing.
3. a kind of top as claimed in claim 2 dress handwheel is characterized in that said housing top is provided with loam cake, and said loam cake is set on the said transmission shaft.
4. a kind of top as claimed in claim 3 dress handwheel is characterized in that said loam cake side is provided with locking member, and said locking member can cooperate to lock said transmission shaft with said transmission shaft.
5. a kind of top as claimed in claim 4 dress handwheel; It is characterized in that; Said locking member comprises locking tube, locking cap, check lock lever and spring, and an end of said check lock lever is fixedly connected in second accommodating unit of said locking cap, and the other end is movably arranged in the cavity of said locking tube; Said spring is arranged in the cavity of said locking tube; And be set on the said check lock lever, but in the cavity of the said locking tube of said check lock lever indentation, the cavity that also can stretch out said locking tube is to lock said transmission shaft.
6. a kind of top as claimed in claim 5 dress handwheel; It is characterized in that; Said check lock lever comprises the check lock lever body, and an end of said check lock lever body is provided with the inserted part, and the other end is provided with the outside thread of the screw-internal thread fit in second accommodating unit with said locking cap; Said spring and said inserted part butt, said inserted part can snap in the hole of said transmission shaft to lock said transmission shaft.
7. a kind of top as claimed in claim 5 dress handwheel; It is characterized in that; The bottom of said locking cap is provided with convex body; The cavity edge of the afterbody of said locking tube is provided with the 3rd accommodating unit that matches with said convex body, and said convex body can snap in said the 3rd accommodating unit, also can skid off the afterbody butt of said the 3rd accommodating unit and said locking tube.
8. a kind of top as claimed in claim 7 dress handwheel is characterized in that the head outside of said locking tube is provided with the outside thread that matches with the internal thread of said loam cake side.
9. a kind of top as claimed in claim 7 dress handwheel is characterized in that, also is provided with the fastening piece that is used for fastening said check lock lever on the said locking cap.
10. a kind of top as claimed in claim 2 dress handwheel is characterized in that also comprise a pedestal, said pedestal is connected said lower part of frame, and said connecting rod can pass said pedestal and be connected with push rod.
11. a kind of top as claimed in claim 1 dress handwheel; It is characterized in that; Said screw parts comprise screw and the gland that is set in the screw outside; Said screw is fixedly connected common said first accommodating unit that forms with said gland, said screw inboard is provided with the internal thread with the external thread bolt connection of said transmission shaft, and the material of said screw adopts copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110377853.3A CN102494179B (en) | 2011-11-24 | 2011-11-24 | Top mounted hand wheel mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110377853.3A CN102494179B (en) | 2011-11-24 | 2011-11-24 | Top mounted hand wheel mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102494179A true CN102494179A (en) | 2012-06-13 |
| CN102494179B CN102494179B (en) | 2014-02-26 |
Family
ID=46186026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110377853.3A Active CN102494179B (en) | 2011-11-24 | 2011-11-24 | Top mounted hand wheel mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102494179B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107448666A (en) * | 2017-09-26 | 2017-12-08 | 无锡福斯拓科科技有限公司 | A kind of hand-reset structure for Direct Travel actuator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3402912A (en) * | 1967-06-29 | 1968-09-24 | Camco Inc | Manual and piston valve operator |
| GB1314667A (en) * | 1970-09-14 | 1973-04-26 | C O Hansen Maskinfabrik Of 197 | Valve control device |
| CN2091392U (en) * | 1991-03-22 | 1991-12-25 | 刘敬善 | Diaphragm stop valve |
| EP0608523B1 (en) * | 1993-01-29 | 1997-08-13 | GEBRÜDER MÜLLER APPARATEBAU GmbH & Co. KG | Diaphragm valve with closure lift stop |
| CN201973338U (en) * | 2010-12-21 | 2011-09-14 | 浙江科海仪表有限公司 | Positive interaction type pneumatic thin-film execution mechanism handwheel mechanism |
-
2011
- 2011-11-24 CN CN201110377853.3A patent/CN102494179B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3402912A (en) * | 1967-06-29 | 1968-09-24 | Camco Inc | Manual and piston valve operator |
| GB1314667A (en) * | 1970-09-14 | 1973-04-26 | C O Hansen Maskinfabrik Of 197 | Valve control device |
| CN2091392U (en) * | 1991-03-22 | 1991-12-25 | 刘敬善 | Diaphragm stop valve |
| EP0608523B1 (en) * | 1993-01-29 | 1997-08-13 | GEBRÜDER MÜLLER APPARATEBAU GmbH & Co. KG | Diaphragm valve with closure lift stop |
| CN201973338U (en) * | 2010-12-21 | 2011-09-14 | 浙江科海仪表有限公司 | Positive interaction type pneumatic thin-film execution mechanism handwheel mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107448666A (en) * | 2017-09-26 | 2017-12-08 | 无锡福斯拓科科技有限公司 | A kind of hand-reset structure for Direct Travel actuator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102494179B (en) | 2014-02-26 |
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