CN204922183U - A hand wheel mechanism for among pneumatic control valve - Google Patents
A hand wheel mechanism for among pneumatic control valve Download PDFInfo
- Publication number
- CN204922183U CN204922183U CN201520625002.XU CN201520625002U CN204922183U CN 204922183 U CN204922183 U CN 204922183U CN 201520625002 U CN201520625002 U CN 201520625002U CN 204922183 U CN204922183 U CN 204922183U
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- CN
- China
- Prior art keywords
- handwheel
- screw
- control valve
- pneumatic control
- pedestal
- 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.)
- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 title abstract description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 35
- 238000000034 method Methods 0.000 abstract description 3
- 125000003003 spiro group Chemical group 0.000 abstract 1
- 230000001276 controlling effect Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 230000009711 regulatory function Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model relates to a pneumatic control valve discloses a hand wheel mechanism for among pneumatic control valve, and it includes and base (1) is equipped with bearing frame (2) on base (1), installs screw (3) through the bearing in bearing frame (2), screw (3) outer cup jointed hand wheel (4), and hand wheel (4) drive screws (3) and rotate, screw (3) interior spiro union has lead screw (5), and lead screw (5) bottom is equipped with axle sleeve (6), is equipped with connecting pin (61) on axle sleeve (6). The utility model discloses in the time of can guaranteeing pneumatic control valve automatic control, the hand wheel can not produce actuating mechanism and disturb, guarantees again when automatic control breaks down, and quick the realization becomes manual control with automatic control, guarantees the process normal clear.
Description
Technical field
The utility model relates to a kind of pneumatic control valve, has particularly related to a kind of controlling mechanism of pneumatic control valve, has been specially pneumatic control valve handwheel.
Background technique
Pneumatic control valve is made up of actuator and controlling mechanism, and wherein actuator is the thrust part of modulating valve, and it produces corresponding thrust by the size of control signal pressure, promotes controlling mechanism action, realizes the adjustment of valve body inner fluid flow.The actuator of existing pneumatic control valve adopts compressed air source, promotes push rod shaft motion, then realizes the adjustment to flow quantity in valve by the Sealing bottom push rod shaft.
The power source of existing pneumatic control valve all realizes it by electrical signal or source of the gas signal and automatically performs, when source of the gas signal or electrical signal break down, or when the driving element (diaphragm, spring, Sealing etc.) of actuator damages, then can not continue the regulatory function maintaining modulating valve, thus manufacturing process interruption or equipment may be caused to have an accident.
Summary of the invention
The utility model can not continue when source of the gas signal, electrical signal or driving element damage the problem maintaining its regulatory function for pneumatic control valve in prior art, provides a kind of for the handwheel in pneumatic control valve.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:
For the handwheel in pneumatic control valve, comprise pedestal, pedestal is provided with bearing support, is provided with screw, is socketed with handwheel outside screw in bearing support by bearing, and handwheel drives screw to rotate; Be bolted with screw mandrel in screw, be provided with axle sleeve bottom screw mandrel, axle sleeve is provided with connecting pin.Be enclosed within the push rod shaft of actuator by axle sleeve, and insert the connection that connecting pin realizes between push rod shaft and axle sleeve, make can be connected fast between push rod shaft with whole handwheel, Quick release, when can ensure that pneumatic control valve controls automatically, handwheel can not produce interference to actuator, ensures again when automatically controlling to break down, and realizes fast automatically controlling to become Non-follow control, prevent equipment accident from expanding, ensure that manufacturing process is normally carried out.Meanwhile, by the screw drive mode of screw mandrel and screw, realize the bidirectional-movement of push rod shaft, realize the size adjustment of the aperture of valve.
As preferably, pedestal is the groove-like of one end open, and screw mandrel bottom is through the relative end face of pedestal opening end and be positioned at base interior, and pedestal sidewall is provided with mounting hole.Be designed to groove-like by the middle part of foundation design, make screw mandrel end be positioned at base interior, namely make axle sleeve drive push rod shaft to move up and down in base interior, make whole handwheel structure closely, reduce overall volume.Pedestal sidewall arranges mounting hole, realizes the connection between push rod shaft and axle sleeve by mounting hole, do not need to take pedestal apart, make the handling of handwheel very convenient.
As preferably, the opening end outward flanging of pedestal is configured to connecting ring, and connecting ring is provided with bolt hole.Pedestal is connected in actuator by the bolt hole on connecting ring, facilitates the assembling of whole handwheel.
As preferably, the external wall cross-section of the part that screw is connected with handwheel is Hexagon, is provided with Hexagon through hole in the middle part of handwheel, and handwheel is socketed on screw outer side wall by Hexagon through hole.Becoming Hexagon by partial design screw and handwheel coordinated, handwheel can being made when driving screw to rotate, screw stability under loading, evenly.
As preferably, bearing support is provided with pin-and-hole, and handwheel is provided with locating stud, and locating stud inserts in pin-and-hole through handwheel.By arranging locating stud on handwheel, locating after handwheel any rotation can be realized, namely realizing push rod shaft and the adjustment of any opening of valve is located, effectively improve the positioning precision of complete machine.
As preferably, screw is provided with tightening nut, and tightening nut is pressed on handwheel, and tightening nut is provided with dust-proof cover, and dust-proof cover is enclosed within screw mandrel, and to stretch out the screw mandrel section of screw outside.By tightening nut, handwheel is fastened on screw, ensures the stability of transmission between handwheel and screw, improve the reliability of complete machine.Tightening nut is provided with dust-proof cover, can ensures that dust from the gap entered between screw and screw mandrel, can not ensure the stability of the upper and lower turn of screw mandrel, also can play the protective actions such as the burn into oxidation preventing screw mandrel simultaneously.
As preferably, pedestal and bearing support are bolted.
The utility model, owing to have employed above technological scheme, has significant technique effect:
The utility model is enclosed within the push rod shaft of actuator by axle sleeve, and insert the connection that connecting pin realizes between push rod shaft and axle sleeve, when ensureing that pneumatic control valve controls automatically, handwheel can not produce interference to actuator, ensure again when automatically controlling to break down, quick realization will control to become Non-follow control automatically, ensure that manufacturing process is normally carried out.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The toponym that in accompanying drawing, each number designation refers to is as follows: 1-pedestal, 2-bearing support, 3-screw, 4-handwheel, 5-screw mandrel, 6-axle sleeve, 7-tightening nut, 8-dust-proof cover, 9-actuator, 10-push rod shaft, 11-mounting hole, 12-connecting ring, 21-pin-and-hole, 41-locating stud, 61-connecting pin.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
Embodiment 1
For the handwheel in pneumatic control valve, as shown in Figure 1, comprise pedestal 1, pedestal 1 is the groove-like of one end open, the opening end outward flanging of pedestal 1 is configured to connecting ring 12, connecting ring 12 is provided with bolt hole, and pedestal 1 is fixed in the actuator 9 of pneumatic control valve by stud and nut, and pedestal 1 makes pedestal 1 be constructed inside into cavity body structure after being connected with the upper-end surface of actuator 9.
Upper-end surface has been bolted bearing support 2 to pedestal 1, by bearing, screw 3 is installed in bearing support 2, handwheel 4 is socketed with outside screw 3, screw 3 is Hexagon with the external wall cross-section of handwheel 4 attachment portion, Hexagon through hole is provided with in the middle part of handwheel 4, handwheel 4 is socketed on screw 3 outer side wall by Hexagon through hole, and handwheel 4 drives screw 3 to rotate; Screw mandrel 5 is bolted with in screw 3, screw mandrel 5 bottom is passed the relative end face of pedestal 1 opening end and is positioned at the cavity body structure of pedestal 1, axle sleeve 6 is provided with bottom screw mandrel 5, axle sleeve 6 is provided with connecting pin 61, axle sleeve 6 is enclosed within the push rod shaft 10 of actuator 9, and is connected by connecting pin 61, and pedestal 1 sidewall is provided with mounting hole 11, staff directly can realize the connection between push rod shaft 10 and axle sleeve 6 by this mounting hole 11, both is connected very convenient.
Bearing support 2 is provided with pin-and-hole 21, and handwheel 4 is provided with locating stud 41, and locating stud 41 inserts in pin-and-hole 21 through handwheel 4.Screw 3 is connected with tightening nut 7, tightening nut 7 is pressed on handwheel 4, tightening nut 7 is provided with dust-proof cover 8, and dust-proof cover 8 is enclosed within the screw mandrel section outside that screw mandrel 5 stretches out screw 3.
When the source of the gas signal of pneumatic control valve or electrical signal break down, or when the driving element (diaphragm of actuator 9, spring, Sealing etc.) damage time, just automatic operation can be changed into manually-operable, namely by mounting hole 11, axle sleeve 6 is enclosed within push rod shaft 10, and the connection of axle sleeve 6 and push rod shaft 10 is realized by connecting pin 61, rotate handwheel 4, handwheel 4 drives screw 3 to rotate, screw 3 is threaded with screw mandrel 5, thus realize screw mandrel 5 and rotate relative to screw 3, realize moving up and down of screw mandrel 5, because the axle sleeve 6 being fixed on screw mandrel 5 end is connected with catch bar 10, then moving up and down of the catch bar 10 in actuator 9 is realized, push rod shaft 10 makes valve reduce aperture until close when moving down, push rod shaft 10 makes valve increase aperture until open when moving up, when valve opening reaches necessary requirement, the location of handwheel 4 is realized by the locating stud 41 on handwheel 4, namely the location of push rod shaft 10 is realized, realize the position and lock of valve any opening degree, manufacturing process is avoided to interrupt or avoid equipment accident.
When pneumatic control valve controls automatically, by mounting hole 11 fech connection pin 61, axle sleeve 6 and push rod shaft 10 are thrown off, ensure that handwheel 4 does not disturb actuator 9 to operate, also can prevent the hidden danger that handwheel misoperation is brought.
In a word, the foregoing is only preferred embodiment of the present utility model, all equalizations done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (7)
1. for the handwheel in pneumatic control valve, it is characterized in that: comprise pedestal (1), pedestal (1) is provided with bearing support (2), by bearing, screw (3) is installed in bearing support (2), be socketed with handwheel (4) outside screw (3), handwheel (4) drives screw (3) to rotate; Be bolted with screw mandrel (5) in screw (3), screw mandrel (5) bottom is provided with axle sleeve (6), and axle sleeve (6) is provided with connecting pin (61).
2. according to claim 1 for the handwheel in pneumatic control valve, it is characterized in that: the groove-like that pedestal (1) is one end open, screw mandrel (5) bottom is passed the relative end face of pedestal (1) opening end and is positioned at pedestal (1) inside, and pedestal (1) sidewall is provided with mounting hole (11).
3. according to claim 2 for the handwheel in pneumatic control valve, it is characterized in that: the opening end outward flanging of pedestal (11) is configured to connecting ring (12), and connecting ring (12) is provided with bolt hole.
4. according to claim 1 for the handwheel in pneumatic control valve, it is characterized in that: screw (3) external wall cross-section that is upper and handwheel (4) attachment portion is Hexagon, handwheel (4) middle part is provided with Hexagon through hole, and handwheel (4) is socketed on screw (3) outer side wall by Hexagon through hole.
5. according to claim 1 for the handwheel in pneumatic control valve, it is characterized in that: bearing support (2) is provided with pin-and-hole (21), handwheel (4) is provided with locating stud (41), and locating stud (41) inserts in pin-and-hole (21) through handwheel (4).
6. according to claim 1 for the handwheel in pneumatic control valve, it is characterized in that: screw (3) is connected with tightening nut (7), tightening nut (7) is pressed on handwheel (4), tightening nut (7) is provided with dust-proof cover (8), dust-proof cover (8) is enclosed within the screw mandrel section outside that screw mandrel (5) stretches out screw (3).
7. according to claim 1 for the handwheel in pneumatic control valve, it is characterized in that: pedestal (1) and bearing support (2) are bolted.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520625002.XU CN204922183U (en) | 2015-08-18 | 2015-08-18 | A hand wheel mechanism for among pneumatic control valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520625002.XU CN204922183U (en) | 2015-08-18 | 2015-08-18 | A hand wheel mechanism for among pneumatic control valve |
Publications (1)
Publication Number | Publication Date |
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CN204922183U true CN204922183U (en) | 2015-12-30 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201520625002.XU Expired - Fee Related CN204922183U (en) | 2015-08-18 | 2015-08-18 | A hand wheel mechanism for among pneumatic control valve |
Country Status (1)
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CN (1) | CN204922183U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107477241A (en) * | 2017-09-26 | 2017-12-15 | 无锡福斯拓科科技有限公司 | A kind of manual-operating mechanism of double acting pneumatic actuator |
CN112303321A (en) * | 2020-11-11 | 2021-02-02 | 福建福清核电有限公司 | Special hand wheel pole of pneumatic control valve pushes away a set subassembly |
-
2015
- 2015-08-18 CN CN201520625002.XU patent/CN204922183U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107477241A (en) * | 2017-09-26 | 2017-12-15 | 无锡福斯拓科科技有限公司 | A kind of manual-operating mechanism of double acting pneumatic actuator |
CN112303321A (en) * | 2020-11-11 | 2021-02-02 | 福建福清核电有限公司 | Special hand wheel pole of pneumatic control valve pushes away a set subassembly |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 |
|
CF01 | Termination of patent right due to non-payment of annual fee |