CN208397415U - A kind of butterfly valve active end structure - Google Patents
A kind of butterfly valve active end structure Download PDFInfo
- Publication number
- CN208397415U CN208397415U CN201820989585.8U CN201820989585U CN208397415U CN 208397415 U CN208397415 U CN 208397415U CN 201820989585 U CN201820989585 U CN 201820989585U CN 208397415 U CN208397415 U CN 208397415U
- Authority
- CN
- China
- Prior art keywords
- gear frame
- cover plate
- left end
- end panel
- support base
- 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
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- Fluid-Driven Valves (AREA)
- Lift Valve (AREA)
Abstract
The utility model relates to a kind of butterfly valve active end structures, include driving device, main shaft, shaft end device, support base, valve cylinder body and the gear frame for connecting shaft end device and valve cylinder body, it is characterised in that the shaft end device includes shaft end body, sliding bearing, front and back sealed packing and packing gland；The driving device includes hydraulic cylinder, hydraulic cylinder piston knock-off joint, crank mechanism, driving arm and round flange；The gear frame include upper and lower cover plates and respectively with upper and lower covers left end left end panel connected vertically, location hole and link bolt hole are had on the left end panel, the link bolt hole that bolt passes through on the left end panel on gear frame is fixedly connected with the round flange in driving device, axle end sealing device is mounted in gear frame by the upper cover plate of gear frame and the right end of lower cover plate respectively with valve barrel soldering.Its advantage is that shaft end device is entirely sealed in gear frame, shaft end Air Leakage is efficiently solved.
Description
Technical field
The utility model relates to a kind of valve, specially a kind of butterfly valve active end structure.
Background technique
Valve is one of essential equipment in various industrial pipelines, and butterfly valve is light-weight with respect to gate valve, and flexible movements are general
All over using, existing butterfly valve drive end uses two kinds of structures, and 1. shaft end seals are that packing gland is mounted on valve body, bearing block and axis
End sealing separates, and external valve body side, bearing block is mounted on the platform that valve body is connected with hydraulic cylinders bearing.2. bearing is
Sliding bearing is mounted in the body of shaft end, and bearing both ends are two packing_seals, is compressed with packing gland, and group becomes shaft end device,
It is mounted in valve body support base, by gear frame flange screw, there are gasket, driving device and biography in shaft end body and support base end face
Moving frame is connected.Two kinds of structures are problematic in that, the first, shaft end structure disperses, valve body difficulty of processing is big, and main shaft is long, and shaft end is close
Envelope is single layer, is easily leaked out.Second, compressing member of the gear frame as shaft end device, the counter-force of hydraulic cylinder passes in sealing structure,
Shaft end is generated to leak out.If medium is hot wind, noise is generated；If it is coal gas, noise is not only generated, it is also possible to safe thing occur
Therefore.
Summary of the invention
Cause valve shaft end Air Leakage to solve existing butterfly valve active end structure, the purpose of the utility model is to provide
A kind of a kind of butterfly valve active end structure that can efficiently solve shaft end Air Leakage.
What the purpose of this utility model was realized in.
A kind of butterfly valve active end structure of the utility model, including driving device, main shaft, shaft end device, support base, valve cylinder
Body and the gear frame for connecting shaft end device and valve cylinder body, it is characterised in that: the shaft end device includes the axis with outward flange
End body, the sliding bearing being sleeved on main shaft, the preceding sealed packing being arranged in front of and after sliding bearing and rear sealed packing and packing
Gland, the shaft end body with outward flange are sleeved on the outside of sliding bearing, and the outward flange of shaft end body and the end face of support base pass through close
Packing and bolt are fixedly linked；
The hydraulic cylinder piston that the driving device includes the hydraulic cylinder with intermediate trunnion, is arranged on hydraulic cylinder piston rod
Knock-off joint, crank mechanism, driving arm and the round flange that driving arm front end is set, crank mechanism and main shaft key connection,
Crank mechanism covers in the round flange of bogie, and clearance fit；
The gear frame include upper cover plate, lower cover plate and respectively with upper cover plate and lower cover plate left end left end connected vertically
Panel, has location hole and link bolt hole on the left end panel, and bolt passes through the left end panel on gear frame
On link bolt hole be fixedly connected with the round flange in driving device, the right end of the upper cover plate of gear frame and lower cover plate respectively with
Valve barrel soldering, axle end sealing device is mounted in gear frame.
The gear frame include upper cover plate, lower cover plate and respectively with upper cover plate and lower cover plate left end and right end is vertical connect
Left end panel and right end panel, have location hole and link bolt hole on the left end panel and right end panel,
The support base is the support base with flange, is provided with bolt hole on the flange of support base, the location hole of right end panel with
Bolt hole in support base is coaxial, and the left end panel on gear frame is bolted to connection with the round flange in driving device,
The right end panel of gear frame is fixedly connected by bolt with the flange of support base, and axle end sealing device is mounted in gear frame.
The gear frame include upper cover plate, lower cover plate and respectively with upper cover plate and lower cover plate left end left end connected vertically
Panel and right end panel are provided with location hole and link bolt hole on the left end panel, the left end panel on gear frame with
Round flange in driving device is bolted to connection, and the right end panel of gear frame is fixedly connected with support base respectively, by axis
End sealing device is mounted in gear frame.
The utility model has the advantages that: the hydraulic cylinder of driving device passes power by crank due to the above structure,
Pass main shaft, complete valve plate switch, bogie passes to hydraulic cylinder counter-force on valve cylinder body by gear frame, shaft end seal by
The thrust of hydraulic cylinder, the sealing device between shaft end device and support base do not stress, and have effectively prevented shaft end device and support
The generation leaked out between seat.
Shaft end device is entirely sealed in gear frame, prior art butterfly valve active end structure is efficiently solved and causes valve
Door-hinge end Air Leakage.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of another embodiment of the utility model.
Fig. 3 is the structural schematic diagram of the utility model further embodiment.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figure 1, a kind of butterfly valve active end structure of the utility model, including driving device, main shaft 14, shaft end dress
Set, support base 8, valve cylinder body 9 and connect shaft end device and valve cylinder body 9 gear frame, it is characterised in that
The shaft end device include the shaft end body 7 with outward flange, the sliding bearing 6 being sleeved on main shaft 14, setting exist
The preceding sealed packing 12 and rear sealed packing 10 and packing gland 5, the shaft end body 7 with outward flange of 6 front and back of sliding bearing are sleeved on
The outside of sliding bearing 6, the outward flange of shaft end body and the end face of support base are fixedly linked by gasket and bolt 11；
The driving device includes the hydraulic cylinder 15 with intermediate trunnion, the hydraulic cylinder being arranged on hydraulic cylinder piston rod work
Stopper rod connector, crank mechanism 16, driving arm 17 and the round flange 1 that 17 front end of driving arm is set, crank mechanism 16 and master
The key connection of axis 14,16 sets of crank mechanism in the round flange 1 of bogie 17, and clearance fit；
The gear frame includes upper cover plate 4, lower cover plate 13 and respectively with upper cover plate 4 and lower cover plate 13, and left end vertically connects
The left end panel 2 connect, has location hole and link bolt hole on the left end panel 2, and bolt 3 passes through on gear frame
Left end panel 2 on link bolt hole be fixedly connected with the round flange 1 in driving device, the upper cover plate 4 and lower cover of gear frame
The right end of plate 13 is welded with valve cylinder body 9 respectively, and axle end sealing device is mounted in gear frame.Above-mentioned gear frame structure is simple,
Axle end sealing device is mounted in gear frame, sliding bearing 6 is mounted on the centre of shaft end body, using it is inside and outside be that two packings are close
Envelope, rear sealed packing 10 are compressed with sliding bearing 6, and preceding sealed packing 12 is compressed with packing gland 5, the hydraulic cylinder 15 of driving device
Power is passed to main shaft 14 by crank mechanism 16, completes valve plate switch, bogie is passed 15 counter-force of hydraulic cylinder by gear frame
It passs on 9 body of valve cylinder, only by the thrust of hydraulic cylinder, the sealing device between shaft end device and support base 8 does not stress shaft end seal,
Generation of leaking out between shaft end device and support base 8 is effectively prevented.
As shown in Figure 2, it include upper cover plate 4, lower cover plate 13 and difference as gear frame described in embodiments of the utility model
With upper cover plate 4 and 13 left end of lower cover plate and right end left end panel 2 connected vertically and right end panel 18, in the left end panel
2 and right end panel 18 on have a location hole and link bolt hole, the support base 8 is the support base with flange 19,
Bolt hole is provided on the flange 19 of support base 8, the location hole and the bolt hole in support base of right end panel 18 are coaxial, gear frame
On left end panel 2 and the round flange 1 in driving device be fixedly connected by bolt 3, the right end panel 18 of gear frame passes through spiral shell
Bolt 11 is fixedly connected with the flange 19 of support base 8, and axle end sealing device is mounted in gear frame.
As shown in Figure 3, it include upper cover plate 4, lower cover plate 13 and difference as gear frame described in embodiments of the utility model
It is with upper cover plate 4 and 13 left end of lower cover plate left end panel 2 connected vertically and connected vertically with upper cover plate 4 and lower cover plate 13 respectively
Right end panel 20 is provided with location hole and link bolt hole on the left end panel 2, the left end panel 2 on gear frame and drive
Round flange 1 on dynamic device is fixedly connected by bolt 3, and the right end panel of gear frame is fixedly connected with support base respectively, by axis
End sealing device is mounted in gear frame.
The utility model is connected by gear frame with valve body, hold-down mechanism of the gear frame as shaft end device, driving device
Hydraulic cylinder 15 power is passed to by crank 16 by main shaft 14, complete valve plate switch, hydraulic cylinder counter-force is passed to axis by gear frame
End device efficiently solves shaft end seal failure and causes Air Leakage.
Claims (3)
1. a kind of butterfly valve active end structure, including driving device, main shaft, shaft end device, support base, valve cylinder body and connection shaft end
The gear frame of device and valve cylinder body, it is characterised in that
The shaft end device includes the shaft end body with outward flange, the sliding bearing being sleeved on main shaft, is arranged in sliding bearing
The preceding sealed packing and rear sealed packing and packing gland of front and back, the shaft end body with outward flange are sleeved on the outside of sliding bearing,
The outward flange of shaft end body and the end face of support base are fixedly linked by gasket and bolt；
The driving device includes that the hydraulic cylinder with intermediate trunnion, the hydraulic cylinder piston rod being arranged on hydraulic cylinder piston rod connect
Head, crank mechanism, driving arm and the round flange that driving arm front end is set, crank mechanism and main shaft key connection, crank
Mechanism covers in the round flange of bogie, and clearance fit；
The gear frame include upper cover plate, lower cover plate and respectively with upper cover plate and lower cover plate left end left side connected vertically
Plate, has location hole and link bolt hole on the left end panel, and bolt passes through on the left end panel on gear frame
Link bolt hole be fixedly connected with the round flange in driving device, the right end of the upper cover plate of gear frame and lower cover plate respectively with valve
Axle end sealing device is mounted in gear frame by barrel soldering.
2. butterfly valve active end structure according to claim 1, it is characterised in that the gear frame includes upper cover plate, lower cover
Plate and respectively with upper cover plate and lower cover plate left end and right end left end panel connected vertically and right end panel, in the left side
Location hole and link bolt hole are had on plate and right end panel, the support base is the support base with flange, is being propped up
It supports and is provided with bolt hole on the flange of seat, the location hole and the bolt hole in support base of right end panel are coaxial, the left end on gear frame
Panel is bolted to connection with the round flange in driving device, and the right end panel of gear frame passes through the method for bolt and support base
Orchid is fixedly connected, and axle end sealing device is mounted in gear frame.
3. butterfly valve active end structure according to claim 1, it is characterised in that the gear frame includes upper cover plate, lower cover
Plate and respectively with upper cover plate and lower cover plate left end left end panel connected vertically and right end panel, is opened on the left end panel
There are location hole and link bolt hole, the left end panel on gear frame is bolted to connection with the round flange in driving device,
The right end panel of gear frame is fixedly connected with support base respectively, and axle end sealing device is mounted in gear frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820989585.8U CN208397415U (en) | 2018-06-26 | 2018-06-26 | A kind of butterfly valve active end structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820989585.8U CN208397415U (en) | 2018-06-26 | 2018-06-26 | A kind of butterfly valve active end structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208397415U true CN208397415U (en) | 2019-01-18 |
Family
ID=65132288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820989585.8U Expired - Fee Related CN208397415U (en) | 2018-06-26 | 2018-06-26 | A kind of butterfly valve active end structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208397415U (en) |
-
2018
- 2018-06-26 CN CN201820989585.8U patent/CN208397415U/en not_active Expired - Fee Related
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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: 20190118 Termination date: 20200626 |