CN102494179B - Top mounted hand wheel mechanism - Google Patents
Top mounted hand wheel mechanism Download PDFInfo
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- CN102494179B CN102494179B CN201110377853.3A CN201110377853A CN102494179B CN 102494179 B CN102494179 B CN 102494179B CN 201110377853 A CN201110377853 A CN 201110377853A CN 102494179 B CN102494179 B CN 102494179B
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- transmission shaft
- handwheel
- screw
- accommodating unit
- actuating mechanism
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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 auxiliary hand-operating mechanism, particularly a kind of top dress handwheel that can be applicable to the pneumatic diaphragn actuating mechanism of positive interaction type and reaction-type.
Background technique
Pneumatic diaphragm control valve is a kind of regulating controller in pneumatic unit combination instrument, to produce to carry out one of important devices in 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 automatic adjusting and the telecontrol of chemical industry, oil, metallurgy, electric power, light textile industry.At present, conventional pneumatic diaphragm control valve is mainly comprised of valve mechanism and actuator, connects between the two by the connected push rod in centre.Yet, restriction due to this body structure of pneumatic actuator, always there is actuator or control the possibility that source of the gas breaks down, as having a power failure, stop the supple of gas or steam or the primary component (as diaphragm, spring, Sealing, driving component etc.) of actuator damaging and causes the situation that valve mechanism can not regular event, now, must utilize handwheel to carry out the keying of control valve manually, to guarantee equipment and personal security, prevent security incident.
But there is following defect in existing handwheel:
Existing handwheel can only be for positive interaction type pneumatic thin-film execution, maybe can only be for reverse acting pneumatic diaphragm actuating mechanism, and can not be common to positive interaction type pneumatic thin-film execution and reverse acting pneumatic diaphragm actuating mechanism.
Summary of the invention
The object of the invention is to provide a kind of top dress handwheel, to solve, in prior art, existing handwheel can only be for positive interaction type pneumatic thin-film execution, maybe can only be for reverse acting pneumatic diaphragm actuating mechanism, and can not be common to the technical matters of positive interaction type pneumatic thin-film execution and reverse acting pneumatic diaphragm actuating mechanism.
The object of the invention is achieved through the following technical solutions:
A top dress handwheel, is applied to pneumatic diaphragn actuating mechanism, at least comprises:
One handwheel;
One transmission shaft, is fixedly connected with described handwheel, and described transmission shaft is provided with outside thread;
Screw parts, it is set on described transmission shaft, and with the external thread bolt connection of described transmission shaft, it is provided with the first accommodating unit that can hold link motion; And
Link, which is provided with connecting rod, and described link can move in described the first accommodating unit, and the upper end of described link is limited in described the first accommodating unit, and described connecting rod can be connected with the push rod in pneumatic diaphragn actuating mechanism.
Preferably, also comprise a housing, described transmission shaft, described screw parts and described connecting rod are arranged in described housing.
Preferably, described housing top is provided with upper cover, and described upper cover is set on described transmission shaft.
Preferably, described upper cover side is provided with locking member, and described locking member can coordinate to lock described transmission shaft with described transmission shaft.
Preferably, described locking member comprises locking cylinder, locking cap, check lock lever and spring, one end of described check lock lever is fixedly connected in the second accommodating unit of described locking cap, the other end is movably arranged in the cavity of described locking cylinder, described spring is arranged in the cavity of described locking cylinder, and be set on described check lock lever, described check lock lever can indentation described in the cavity of locking cylinder, also the cavity of extended described locking cylinder is to lock described transmission shaft.
Preferably, described check lock lever comprises check lock lever body, one end of described check lock lever body is provided with inserted part, the other end is provided with the outside thread of the screw-internal thread fit in the second accommodating unit with described locking cap, described spring and described inserted part butt, described inserted part can snap in the hole of described transmission shaft to lock described transmission shaft.
Preferably, the bottom of described locking cap is provided with convex body, the cavity edge of the afterbody of described locking cylinder is provided with the 3rd accommodating unit matching with described convex body, and described convex body can snap in described the 3rd accommodating unit, also can skid off the afterbody butt of described the 3rd accommodating unit and described locking cylinder.
Preferably, the head of described locking cylinder outside is provided with the outside thread matching with the internal thread of described upper cover side.
Preferably, on described locking cap, be also provided with the fastening piece for fastening described check lock lever.
Preferably, also comprise a pedestal, described pedestal is connected to the bottom of described housing, and described connecting rod can be connected with push rod through described pedestal.
Preferably, described screw parts comprise screw and are set in the gland in screw outside, described screw is fixedly connected with described the first accommodating unit of common formation with described gland, described screw inner side is provided with the internal thread with the external thread bolt connection of described transmission shaft, and the material of described screw adopts copper.
Compared with prior art, the present invention has following advantage:
1, top of the present invention dress handwheel can be common to positive interaction type pneumatic thin-film execution and reverse acting pneumatic diaphragm actuating mechanism;
2, locking member of the present invention is all enclosed in housing the helical thread portion of the transmission shaft of handwheel becomes possibility, makes handwheel be not easy rust in the open in environment or corrosive environment dead;
When 3, top of the present invention dress handwheel is arranged on pneumatic diaphragn actuating mechanism, do not need to take apart the film chamber of actuator;
4, top of the present invention dress handwheel can carry out pre-assembled;
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 blackening process, and the friction factor of copper and steel is little, can not occur 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.
Accompanying drawing explanation
Fig. 1 is the sectional view that top of the present invention dress handwheel is applied to positive interaction type pneumatic thin-film execution;
Fig. 2 is the sectional view that top of the present invention dress handwheel is applied to reverse acting pneumatic diaphragm actuating mechanism;
Fig. 3 is that locking member of the present invention is at the sectional view of released state;
Fig. 4 is that locking member of the present invention is at the sectional view of lock state;
Fig. 5 is the sectional view of the different amount of locking cap of the present invention;
Fig. 6 is sectional view and the plan view of locking cylinder of the present invention.
Embodiment
Top of the present invention dress handwheel can be common to positive interaction type pneumatic thin-film execution and reverse acting pneumatic diaphragm actuating mechanism.
Below in conjunction with accompanying drawing, describe the present invention in detail.
Refer to Fig. 1,2, top of the present invention dress handwheel, is applied to pneumatic diaphragn actuating mechanism, at least comprises: 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 transmission shaft 7, and with the external thread bolt connection of transmission shaft 7, it is provided with the first accommodating unit 41 that can hold link 8 motions, and in this example, the first accommodating unit 41 is holding cavity; And link 8, which is provided with connecting rod 9, link 8 can move in the first accommodating unit 41, and the upper end 81 of link 8 is limited in the first accommodating unit, and connecting rod 9 can be connected with the push rod 10 in 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 housing 3.Transmission shaft 7 of the present invention is arranged in housing 3, can prevent transmission shaft 7 owing to being exposed in air and easily rust is dead, can reduce maintenance times even non-maintaining, thereby strengthen the reliability of top of the present invention dress handwheel.
Refer to Fig. 3-6, locking member 2 comprises locking cylinder 21, locking cap 22, check lock lever 23 and spring 24, one end of check lock lever 23 is fixedly connected in the second accommodating unit of locking cap 22, the other end is movably arranged in the cavity 211 of locking cylinder 21, spring 24 is arranged in the cavity 211 of locking cylinder, and be set on check lock lever 23, check lock lever 23 can the cavity 211 of indentation locking cylinder in, also the cavity 211 of extended locking cylinder 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 cylinder 21 is provided with the 3rd accommodating unit 212 matching with convex body 222, convex body 222 can snap in the 3rd accommodating unit 212, also can skid off the afterbody butt of the 3rd accommodating unit 212 and locking cylinder 21.On locking cap 22, be also provided with the fastening piece 221 for fastening check lock lever 23, in this example, fastening piece 221 is Cock screw.
The head outside of locking cylinder 21 is provided with the outside thread 213 matching with the internal thread of upper cover side.
Locking member of the present invention is all enclosed in housing the helical thread portion of the transmission shaft of handwheel becomes possibility, makes handwheel be not easy rust in the open in environment or corrosive environment dead.
The present invention also comprises a pedestal 5, and pedestal 5 is connected to the bottom of housing 3, and connecting rod 9 can be connected with push rod 10 through pedestal 5.Top of the present invention dress handwheel can carry out pre-assembled, is connected afterwards with pneumatic diaphragn actuating mechanism again, does not need the film chamber opening of actuator can complete assembling, and more convenient operation, also can increase work efficiency.
Screw parts comprise screw and are set in the gland in screw outside, and screw is fixedly connected with common formation the first accommodating unit with described gland, and screw inner side 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 blackening process, and the friction factor of copper and steel is little, can not occur stuck.
When for positive interaction type pneumatic thin-film execution, as Fig. 1, (or counterclockwise) rotates handwheel 1 clockwise, thereby drive transmission shaft 7 to rotate, 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, thereby promote push rod 10, move downward, i.e. adjustable pneumatic diaphragn actuating mechanism.
When for reverse acting pneumatic diaphragm actuating mechanism, as Fig. 2, (or clockwise) rotates handwheel 1 counterclockwise, thereby drive transmission shaft 7 to rotate, screw parts 4 do relative motion with transmission shaft 7, and screw parts 4 are moved upward, screw parts 4 drive the upper end 81 of link 8 to move upward, thereby link 8, connecting rod 9 are moved upward together, thereby pull push rod 10 to move upward, be i.e. adjustable 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 cylinder 21 afterbodys, and the inserted part 231 of check lock lever 23 snaps in the hole of transmission shaft 7, and lockable transmission shaft 7 rotates to prevent transmission shaft 7, as Fig. 4.When wanting release, slightly pull out locking cap 22, make convex body 222 skid off the afterbody butt of the 3rd accommodating unit 212 and locking cylinder 21, now, inserted part 231 skids off the hole of transmission shaft 7, gets final product release transmission shaft 7, and transmission shaft 7 rotatable shafts are as Fig. 3.
Disclosed is above only several specific embodiments of the application, but the application is not limited thereto, and the changes that any person skilled in the art can think of, all should drop in the application's protection domain.
Claims (11)
1. a top dress handwheel, is applied to pneumatic diaphragn actuating mechanism, at least comprises: a handwheel; One transmission shaft, is fixedly connected with described handwheel, and described transmission shaft is provided with outside thread; Screw parts, it is set on described transmission shaft, and the external thread bolt connection with described transmission shaft, is characterized in that, and described screw parts are provided with the first accommodating unit that can hold link motion; Described top dress handwheel also comprises link, which is provided with connecting rod, described link can move in described the first accommodating unit, and the upper end of described link is limited in described the first accommodating unit, and described connecting rod can be connected with the push rod in pneumatic diaphragn actuating mechanism;
When for positive interaction type pneumatic thin-film execution, clockwise or rotate counterclockwise handwheel, thereby drive transmission shaft to rotate, screw parts and transmission shaft do relative motion, screw parts are moved downward, and screw parts compress the upper end of link downwards, thereby link, connecting rod are moved downward together, thereby promote push rod, move downward, i.e. adjustable pneumatic diaphragn actuating mechanism;
When for reverse acting pneumatic diaphragm actuating mechanism, counterclockwise or clockwise rotate handwheel, thereby drive transmission shaft to rotate, screw parts and transmission shaft do relative motion, screw parts are moved upward, and screw parts drive the upper end of link to move upward, thereby link, connecting rod are moved upward together, thereby pull push rod to move upward, i.e. adjustable pneumatic diaphragn actuating mechanism.
2. a kind of top as claimed in claim 1 dress handwheel, is characterized in that, also comprise a housing, described transmission shaft, described screw parts and described connecting rod are arranged in described housing.
3. a kind of top as claimed in claim 2 dress handwheel, is characterized in that, described housing top is provided with upper cover, and described upper cover is set on described transmission shaft.
4. a kind of top as claimed in claim 3 dress handwheel, is characterized in that, described upper cover side is provided with locking member, and described locking member can coordinate to lock described transmission shaft with described transmission shaft.
5. a kind of top as claimed in claim 4 fills handwheel, it is characterized in that, described locking member comprises locking cylinder, locking cap, check lock lever and spring, one end of described check lock lever is fixedly connected in the second accommodating unit of described locking cap, the other end is movably arranged in the cavity of described locking cylinder, described spring is arranged in the cavity of described locking cylinder, and be set on described check lock lever, described check lock lever can indentation described in the cavity of locking cylinder, also the cavity of extended described locking cylinder is to lock described transmission shaft.
6. a kind of top as claimed in claim 5 fills handwheel, it is characterized in that, described check lock lever comprises check lock lever body, one end of described check lock lever body is provided with inserted part, the other end is provided with the outside thread of the screw-internal thread fit in the second accommodating unit with described locking cap, described spring and described inserted part butt, described inserted part can snap in the hole of described transmission shaft to lock described transmission shaft.
7. a kind of top as claimed in claim 5 fills handwheel, it is characterized in that, the bottom of described locking cap is provided with convex body, the cavity edge of the afterbody of described locking cylinder is provided with the 3rd accommodating unit matching with described convex body, described convex body can snap in described the 3rd accommodating unit, also can skid off the afterbody butt of described the 3rd accommodating unit and described locking cylinder.
8. a kind of top as claimed in claim 7 dress handwheel, is characterized in that, the head outside of described locking cylinder is provided with the outside thread matching with the internal thread of described upper cover side.
9. a kind of top as claimed in claim 7 dress handwheel, is characterized in that, is also provided with the fastening piece for fastening described check lock lever on described locking cap.
10. a kind of top as claimed in claim 2 dress handwheel, is characterized in that, also comprise a pedestal, described pedestal is connected to the bottom of described housing, and described connecting rod can be connected with push rod through described pedestal.
11. a kind of top as claimed in claim 1 dress handwheels, it is characterized in that, described screw parts comprise screw and are set in the gland in screw outside, described screw is fixedly connected with described the first accommodating unit of common formation with described gland, described screw inner side is provided with the internal thread with the external thread bolt connection of described transmission shaft, and the material of described 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 CN102494179A (en) | 2012-06-13 |
| CN102494179B true CN102494179B (en) | 2014-02-26 |
Family
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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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107448666B (en) * | 2017-09-26 | 2023-05-23 | 无锡福斯拓科科技有限公司 | Manual reset structure for straight 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 |
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| Publication number | Publication date |
|---|---|
| CN102494179A (en) | 2012-06-13 |
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