CN207018611U - A kind of pneumatic cut-out regulating butterfly valve - Google Patents
A kind of pneumatic cut-out regulating butterfly valve Download PDFInfo
- Publication number
- CN207018611U CN207018611U CN201720707597.2U CN201720707597U CN207018611U CN 207018611 U CN207018611 U CN 207018611U CN 201720707597 U CN201720707597 U CN 201720707597U CN 207018611 U CN207018611 U CN 207018611U
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- China
- Prior art keywords
- rack
- elastic parts
- assembly
- butterfly valve
- air rammer
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of pneumatic cut-out regulating butterfly valve, including air rammer assembly, elastic parts, rack and pinion assembly, support component and sealing device, one end of the elastic parts is connected with air rammer assembly, the air rammer assembly is used to promote described one end of the elastic parts elastic parts is carried out stretching motion under pneumatic action, the rack and pinion assembly includes the first rack, second rack and pinion, first rack and second rack are horizontally disposed with, when the elastic parts carries out stretching motion, the gear shaft realizes the closing of valve relative to first rack and the second rack horizontal movement.The utility model power transmission shaft not abrasion, service life length, operational torque is small, using compressed air as power, by piston-rack, the machine driving valve rod of gear shaft, can quickly complete switching motion.
Description
Technical field
It the utility model is related to a kind of mechanical valve, more particularly to a kind of pneumatic cut-out regulating butterfly valve.
Background technology
At present, various stop valves, regulating valve etc. are largely used in industries such as oil, chemical industry, metallurgy, electric power, food, but
It is because of mechanical structure, it may appear that tightness is inadequate, and long term wear can cause leakage etc..
Utility model content
The defects of the technical problems to be solved in the utility model is to overcome in the prior art, now provide a kind of gas
Dynamic cut-out regulating valve.
The utility model is that solve above-mentioned technical problem by following technical proposals：
A kind of pneumatic cut-out regulating butterfly valve of the utility model, its feature are that the pneumatic cut-out regulating butterfly valve includes gas
Piston component, elastic parts, rack and pinion assembly, support component and sealing device, the air rammer assembly are arranged at institute
The Single port of sealing device is stated, the elastic parts, rack and pinion assembly and support component are arranged in the sealing device, institute
The one end for stating elastic parts is connected with air rammer assembly, and the air rammer assembly is used to promote the bullet under pneumatic action
Property component described one end the elastic parts is carried out stretching motion, the rack and pinion assembly includes the first rack, second
Rack and pinion axle, first rack and second rack are horizontally disposed with, one end of first rack and described second
One end of rack is symmetrical above and below to be arranged on the gear shaft with obtaining concavo-convex connection, the other end and the bullet of first rack
Property component connection, the other end of second rack is fixed in the support component, when the elastic parts carries out flexible fortune
When dynamic, the gear shaft realizes the closing of valve relative to first rack and the second rack horizontal movement.
Preferably, the center line of the center line of the air rammer assembly and elastic parts and the rack and pinion assembly exists
On same straight line.
Preferably, the air rammer assembly includes piston, and the piston is connected with the elastic parts.
Preferably, the air rammer assembly includes end cap, and the piston abuts the piston.
Preferably, the elastic parts includes spring and the connecting rod for flatly supporting the spring.
Preferably, the support meanss include support wheel, support shaft and support set.
Positive effect of the present utility model is：
The utility model can reach zero leakage, there is excellent two way seal function and superpower use longevity without mechanical wear
Life, it is widely used on the pipelines of different medium such as oil, chemical industry, metallurgy, electric power, food, medicine, plumbing, gas conveying
Flow is made adjustments, block or connects fluid；Valve body is using technique for integral casting, simple and compact for structure, small volume, in light weight, stream
Hinder small, discharge coefficient is big, good seal performance, and adjustable range is big；, can accurate adjustment control flow using electricity-gas valve positioner；
Using quick two cutting-off controllings for using magnetic valve, realizing fluid medium；Pneumatic actuator using piston type cylinder and
Crank arm transformational structure, output torque is big, and volume essence is small, high using hermetically sealed waterproofing design degree of protection, and cylinder block uses minute surface
Cylinder, oil-free lubrication, coefficient of friction is small, it is corrosion-resistant, there is superpower durability and reliability, using border self-lubricating bearing without
Oil lubrication, it is ensured that power transmission shaft not abrasion；Operational torque is small, is one kind that operational torque is minimum in all valve classes, and keying is rapid, with
Compressed air is power, by piston-rack, the machine driving valve rod of gear, with the moment of torsion rotational valve plate 0 of angle stroke output~
90 °, switching motion can be quickly completed；Water, sewage, seawater, air, steam, coal can be respectively suitable for according to choice of material
The media such as gas, fuel gas, Korrosionsmedium, oil product and food, high temperature resistant type maximum operating temperature is up to 800 DEG C.
Brief description of the drawings
Fig. 1 is the schematic top plan view of preferred embodiment of the present utility model.
Fig. 2 is the schematic side view of preferred embodiment of the present utility model.
Fig. 3 is the structural representation of the rack and pinion assembly of preferred embodiment of the present utility model.
Fig. 4 is the attachment structure schematic diagram of adjustment type of the present utility model.
Fig. 5 is the attachment structure schematic diagram of cut-out type of the present utility model.
Fig. 6 is the attachment structure schematic diagram of regulation cut-out type of the present utility model.
Embodiment
The utility model is further illustrated below by the mode of embodiment, but is not therefore limited in the utility model
Among described scope of embodiments.
Refer to Fig. 1, Fig. 2 and Fig. 3, a kind of pneumatic cut-out regulating butterfly valve of the utility model, including air rammer assembly, bullet
Property component, rack and pinion assembly, support component and sealing device, seal assembly can be cylinder barrel 4.Air rammer assembly is arranged at close
The Single port of seal apparatus, elastic parts, rack and pinion assembly and support component are arranged in sealing device, one end of elastic parts
It is connected with air rammer assembly, air rammer assembly is used to promote one end of elastic parts to enter elastic parts under pneumatic action
Row stretching motion, rack and pinion assembly include the first rack, the second rack and pinion axle 8, and the first rack and the second rack are horizontal
Set, one end of one end of the first rack and the second rack is symmetrical above and below to be arranged on gear shaft 8 with obtaining concavo-convex connection, the first tooth
The other end of bar is connected with elastic parts, and the other end of the second rack is fixed in support component, when elastic parts is stretched
During motion, gear shaft 8 realizes the closing of valve relative to the first rack and the second rack horizontal movement.
The center line of the center line and rack and pinion assembly of air rammer assembly and elastic parts on the same line, passes through
The siding track of rack two, stainless steel rack 7 and the correct engagement of drive shaft are kept, so as to obtain the service life of overlength；Also eliminate
The side direction overhanging rail power of conventional gears rack-and-pinion actuators, makes rack and pinion assembly have low friction and zero cantilever force, passes through drop
Low friction, outstanding cylinder adjustment control can be obtained.Due to no piston rod packing, therefore lose the possibility of sealing more
It is small.
Air rammer assembly includes piston 2, and piston 2 is connected with elastic parts.Preferably, air rammer assembly includes end cap
1, piston 1 abuts the piston 2, when action of gas source piston, hardly produces any " still air ", it means that each
The air wasted in action process is less, and ensures smaller in " shake " caused by valve opening, therefore overcomes tradition
Pinion and-rack actuator is since it is desired that the drawbacks of filling the space between piston and wasting large quantity of air.Use is installed on end cap
In the pull bar 13 for pulling end cap manually.
Elastic parts includes spring 3 and the connecting rod 5 for flatly supporting the spring, and the utility model, which also has, sets bullet
The spring base 6 of spring 3.Spring 3 is safely placed into inner side by piston 2, is easy to change impaired piston seal online.
Support meanss include support wheel 10, support shaft 11 and support set 12.
The body of cylinder bucket 4 of the present utility model uses minute surface cylinder, oil-free lubrication, coefficient of friction is small, it is corrosion-resistant, have it is superpower
Durability and reliability, all drive bearings use border self-lubricating bearing oil-free lubrication, it is ensured that power transmission shaft not abrasion.
The utility model is divided into opening, 15 ° of closed types and back seat type three types, using metal flat sealing structure,
It is that a flat valve plate rotates in a fluid, is formed and sealed with valve body.The axis of valve rod can be perpendicular to the axle of pipeline
Line or certain angle is tilted relative to the axis of pipeline.Valve rod is typically to be fixed on pin on valve plate, pin
It must seal.The fixing pin of valve plate and valve rod be placed on it is higher on axle be closely located to operating side, with reduce torsional deformation and
Dead band in valve operation, reduce the power operation torque of maximum.
The utility model is using compressed air as power, by the machine driving valve rod of piston 3, rack 7 and gear, with angle row
The angle ° of moment of torsion rotational valve plate 0~90 of journey output, quickly finishes switching motion, opens and closes rapid.The utility model is using double inclined
Core structure, valve plate is double eccentrically mounted, and during closing, valve plate expands outwardly, and reaches optimal seal state, during opening, valve plate and sealing
Circle is rapid to be departed from, and effectively prevents ring wear；Using eccentric structure, operation moment of torsion is substantially reduced；Flow resistance is small, metered flow
Coefficient is big；Self-cleaning ability is strong, service life length；Valve uses to be installed without flange arrangement, process pipe using wafer type.
When being installed, the utility model must could be installed after pipeline welded flange cooling, must not be by valve
Welded after on flange；When pipeline is purged, it should use and be installed with valve flanges away from identical pipeline instead of valve
On pipeline, prevent from that during purging sealing ring may be damaged；Control flange sealing surface is answered to have impulse- free robustness, out-of-flatness, in order to avoid damage
Valve sealing face；Before bolt is tightened, rotational valve plate confirms that valve plate will not encounter flange inner wall or other things；Carry out pipeline
During pressure test, it is necessary to open valve completely, must not use valve as blind flange；, must not be former manual to manually-operated gate
Wrench is added in mechanism or crow bar is operated.
Valve of the present utility model uses Fig. 3 such as to realize that adjustment type connects, including from air compression station source of the gas, pressure-reducing valve, valve position
Conveyer, locator, actuator and valve, wherein pressure-reducing valve are used to filter, depressurized and voltage stabilizing.
Valve of the present utility model uses Fig. 4 such as to realize that cut-out type connects, including comes from air compression station source of the gas, pressure-reducing valve, electricity
Magnet valve, actuator and valve, by contact signal open or close the control of extreme position.
Valve of the present utility model is used as Fig. 5 realizes regulation cut-out type connection, including from air compression station source of the gas, pressure-reducing valve,
Valve position transmitter, locator, magnetic valve, actuator and valve, the valve rotated by valve plate around the fixing axle perpendicular to passage, its
It is made up of piston type double-acting or effect spring return type single-acting, pneumatic actuator and butterfly valve, category rotation high-performance type is adjusted
Section or stop valve class, it can be achieved to the proportion adjustment of fluid media (medium) in process pipeline and two cutting-off controllings, so as to reach convection current
The Automated condtrol of the parameters such as the flow of body medium, pressure, temperature, liquid level.
The utility model coordinates locator to use, and locator receives control system using electric signal and compressed air as power
0-10mA DC or the 4-20mADC current signals of input, by adjuster by compressed air, it is defeated to be converted into the input of bleed pressure signal
Go out, so as to change any angle of 0-90 ° of the rotation of valve plate, there is the parameters such as preferable adjustment control flow；The utility model
Magnetic valve is coordinated to use, magnetic valve realizes fluid medium with AC220V or DC24V supply voltages and compressed air
Quick two cutting-off controllings；The utility model coordinates actuator to use, and actuator, which uses piston type cylinder and cranked arm, to be turned
Structure is changed, output torque is big, and volume essence is small, high using hermetically sealed waterproofing design degree of protection.
The utility model can reach zero leakage, there is excellent two way seal function and superpower use longevity without mechanical wear
Life, it is widely used on the pipelines of different medium such as oil, chemical industry, metallurgy, electric power, food, medicine, plumbing, gas conveying
Flow is made adjustments, block or connects fluid；Valve body is using technique for integral casting, simple and compact for structure, small volume, in light weight, stream
Hinder small, discharge coefficient is big, good seal performance, and adjustable range is big；, can accurate adjustment control flow using electricity-gas valve positioner；
Using quick two cutting-off controllings for using magnetic valve, realizing fluid medium；Pneumatic actuator using piston type cylinder and
Crank arm transformational structure, output torque is big, and volume essence is small, high using hermetically sealed waterproofing design degree of protection, and cylinder block uses minute surface
Cylinder, oil-free lubrication, coefficient of friction is small, it is corrosion-resistant, there is superpower durability and reliability, using border self-lubricating bearing without
Oil lubrication, it is ensured that power transmission shaft not abrasion；；Operational torque is small, is one kind that operational torque is minimum in all valve classes, opens and closes rapidly,
Using compressed air as power, pass through piston-rack, the machine driving valve rod of gear, the moment of torsion rotational valve plate 0 exported with angle stroke
- 90 °, switching motion can be quickly completed；Can according to choice of material, be respectively suitable for water, sewage, seawater, air, steam,
The media such as coal gas, fuel gas, Korrosionsmedium, oil product and food, high temperature resistant type maximum operating temperature is up to 800 DEG C.
The utility model is described in detail above in association with accompanying drawing embodiment, those skilled in the art can root
Many variations example is made to the utility model according to described above.All timess within the spirit and principles of the utility model, made
What modification, equivalent substitution, improvement etc., should be included within the scope of protection of the utility model.Thus, it is some in embodiment
Details should not be formed will be used as this reality to restriction of the present utility model, the utility model using the scope that appended claims define
With new protection domain.
Claims (6)
1. a kind of pneumatic cut-out regulating butterfly valve, it is characterised in that the pneumatic cut-out regulating butterfly valve includes air rammer assembly, bullet
Property component, rack and pinion assembly, support component and sealing device, the air rammer assembly are arranged at the one of the sealing device
Port, the elastic parts, rack and pinion assembly and support component are arranged in the sealing device, and the one of the elastic parts
End is connected with air rammer assembly, and the air rammer assembly is used to promote described the one of the elastic parts under pneumatic action
End makes the elastic parts carry out stretching motion, and the rack and pinion assembly includes the first rack, the second rack and pinion axle, institute
State the first rack and second rack is horizontally disposed with, it is right above and below one end of one end of first rack and second rack
Claim it is concavo-convex connection be arranged on the gear shaft, the other end of first rack is connected with the elastic parts, described
The other end of second rack is fixed in the support component, when the elastic parts carries out stretching motion, the gear shaft
The closing of valve is realized relative to first rack and the second rack horizontal movement.
2. pneumatic cut-out regulating butterfly valve according to claim 1, it is characterised in that the air rammer assembly and elastic group
The center line of the center line of part and the rack and pinion assembly is on the same line.
3. pneumatic cut-out regulating butterfly valve according to claim 1, it is characterised in that the air rammer assembly includes living
Plug, the piston are connected with the elastic parts.
4. pneumatic cut-out regulating butterfly valve according to claim 3, it is characterised in that the air rammer assembly includes end
Lid, the piston abut the piston.
5. pneumatic cut-out regulating butterfly valve according to claim 1, it is characterised in that the elastic parts includes spring and use
In the connecting rod for flatly supporting the spring.
6. pneumatic cut-out regulating butterfly valve according to claim 1, it is characterised in that the support meanss include support wheel,
Support shaft and support set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720707597.2U CN207018611U (en) | 2017-06-16 | 2017-06-16 | A kind of pneumatic cut-out regulating butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720707597.2U CN207018611U (en) | 2017-06-16 | 2017-06-16 | A kind of pneumatic cut-out regulating butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207018611U true CN207018611U (en) | 2018-02-16 |
Family
ID=61485499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720707597.2U Expired - Fee Related CN207018611U (en) | 2017-06-16 | 2017-06-16 | A kind of pneumatic cut-out regulating butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207018611U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131379A (en) * | 2019-06-05 | 2019-08-16 | 儒拉玛特自动化技术(苏州)有限公司 | A kind of rotary motion driving device |
-
2017
- 2017-06-16 CN CN201720707597.2U patent/CN207018611U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131379A (en) * | 2019-06-05 | 2019-08-16 | 儒拉玛特自动化技术(苏州)有限公司 | A kind of rotary motion driving device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180216 Termination date: 20210616 |