CN207316123U - A kind of forced seal ball valve opens and closes driving device - Google Patents
A kind of forced seal ball valve opens and closes driving device Download PDFInfo
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- CN207316123U CN207316123U CN201721357069.5U CN201721357069U CN207316123U CN 207316123 U CN207316123 U CN 207316123U CN 201721357069 U CN201721357069 U CN 201721357069U CN 207316123 U CN207316123 U CN 207316123U
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Abstract
It the utility model is related to a kind of forced seal ball valve and open and close driving device, including sealed valve stem, valve ball valve rod, valve rod driving disc and valve rod travel block, sealed valve stem driving sealing driving wheel rotates, the driving sealed valve stem rotation of valve rod driving disc；Valve ball valve rod driving valve ball rotates, the rotational travel of valve rod travel block control valve ball valve rod；Rotated at the same time with sealed valve stem in the rotational travel internal valve ball valve rod of valve ball valve rod, after valve ball valve rod turns to valve ball closed position, valve rod driving disc driving sealed valve stem rotates, drives screw driving wheel to jack up and withdraw sealing cover.The beneficial effects of the utility model are：Using a valve rod driving disc, the elasticity mounting ring and driving hook, disengaging being fitted on valve ball valve rod are linked up with, depart from the angle of wedge and reset the angle of wedge, valve rod driving disc is set to drive the operation of valve ball and sealing cover according to the operating process of forced seal ball valve, it is easy to operate, reliability is high, the application particularly suitable for heavy caliber and high pressure valve.
Description
Technical field
The utility model belongs to ball valve, more particularly to a kind of forced seal ball valve opens and closes driving device.
Background technology
In field of fluid control, such as the switching of production of hydrocarbons flow, pipeline shut-off, metering, pressure regulation, molecular sieve switching, compression
The frequent operations such as the hydrogen operating mode in machine inlet and outlet, oil refining process, the space division of synthetic ammonia installation and fluid switch control and pass
Close tightness and require harsh field, it is desirable to the generation pressure drop that valve can be as small as possible in the state of straight-through, and can
The pressure moment of torsion sealing influenced from pipeline pressure medium is provided.Forced seal ball valve is acknowledged as preferable solution.With
Ordinary ball valve is different, and forced seal ball valve pass through two steps in operation, when operation valve ball opening and closing position it
Between rotate, second, operation sealing cover jack up and withdraw, realize forced seal.How using the single operation as common valve
The operation that forced seal ball valve is completed in action is one of key technology of forced seal ball valve design.Chinese utility model patent
（The patent No. 2016204911272）" a kind of forced seal ball valve " is disclosed, forced seal device, while valve are driven using valve rod
Bar drives valve ball to rotate by torsional spring, completes two operating procedures.But such technical solution is applied in heavy caliber and high pressure valve
Door may produce the unstable of operation, or even failure.
The content of the invention
The purpose of this utility model is to propose that a kind of forced seal ball valve opens and closes the technical solution of driving device, improves and forces
The operating characteristics and reliability of seal ball-valve.
To achieve these goals, the technical solution of the utility model is：A kind of forced seal ball valve opens and closes driving device,
It is arranged in forced seal ball valve, the forced seal ball valve includes valve ball, and the valve ball is equipped with sealing cover and screw driving wheel,
When the valve ball rotates to closed position, the screw driving wheel rotation is jacked up and is withdrawn the sealing cover, institute by screw thread
Screw driving wheel is stated to be rotated by sealing drive wheel；The forced seal ball valve, which opens and closes driving device, includes sealed valve stem, valve
Ball valve rod, valve rod driving disc and valve rod travel block, the sealed valve stem driving sealing driving wheel rotate, the valve rod
Driving disc driving sealed valve stem rotation；The valve ball valve rod drives the valve ball to rotate, and the valve rod travel block controls institute
State the rotational travel of valve ball valve rod；The valve ball valve rod and the sealed valve stem be at the same time in the rotational travel of the valve ball valve rod
Rotate, after the valve ball valve rod turns to valve ball closed position, the valve ball valve rod turns to stop operating；The valve rod driving turns
Disk continues to drive the sealed valve stem to rotate and drives the screw driving wheel to jack up and withdraw the sealing cover.
Further, the forced seal ball valve opens and closes driving device and is equipped with driving device babinet, and the valve rod driving turns
Disk is arranged in the driving device babinet；The valve ball valve rod is equipped with elasticity mounting ring, and the elasticity mounting ring is with the valve
Ball valve rod rotates, and the elasticity mounting ring is the elasticity mounting ring that elastic displacement is produced in the rotation round direction of valve ball valve rod,
The driving device babinet is equipped with position correspondence and is linked up with the disengaging angle of wedge of the elasticity mounting ring and disengaging, the valve rod driving
Turntable is equipped with the driving hook for pulling the elasticity mounting ring；When the valve ball valve rod turns to valve ball closed position, the disengaging
The angle of wedge promotion elasticity mounting ring departs from the driving hook and is linked into the disengaging hook.
Further, the driving device babinet is equipped with upper cover, and the disengaging angle of wedge and disengaging hook are arranged on described
Cover.
Further, the valve rod driving disc is equipped with position correspondence in the reset angle of wedge of the elasticity mounting ring, works as institute
State valve rod driving disc to opening direction rotate when, it is described reset the angle of wedge promote it is described elasticity mounting ring depart from it is described depart from hang
Hook and the driving hook for being linked into the valve rod driving disc.
Further, the valve ball valve rod is equipped with turning handle, and the turning handle is equipped with through hole, and the elasticity mounting ring includes hanging
Ring, hanging rod and compression spring, the hanging rod pass through the through hole of turning handle, and one end of the hanging rod is hinged with the link, the extension
A compression spring is respectively equipped between the other end of bar and the turning handle.
Further, the valve ball valve rod is equipped with turning handle, and the turning handle is equipped with through hole, and the elasticity mounting ring includes hanging
Ring, hanging rod and elastic telescopic frame, the hanging rod pass through turning handle the through hole, the link and hanging rod respectively with the expansion bracket
Both ends be hinged.
Further, the elastic telescopic frame includes the first expansion bracket, the second expansion bracket and compression spring, first expansion bracket
One end be hinged with hanging rod, the other end of first expansion bracket is equipped with the first spring shelves head, second expansion bracket with it is described
Link is hinged, and the other end of second expansion bracket is equipped with second spring shelves head, the compression spring sleeve in first expansion bracket and
On second expansion bracket, the first spring shelves head and second spring shelves head described in the both ends difference top pressure of the compression spring.
Further, the forced seal ball valve opens and closes driving device and is equipped with driving device babinet, the valve rod travel gear
Block includes closed position block and open position block, and the valve ball valve rod is equipped with turning handle；The closed position block and unlatching
Position stop is installed on the driving device babinet, and the valve ball valve rod turns to turning handle contact during valve ball closed position
The closed position block, the valve ball valve rod turn to turning handle during valve ball open position and contact the open position gear
Block.
Further, the closed position block and open position block are installed on the driving device by block bolt
On babinet, the contact surface of the closed position block and open position block and the turning handle is inclined-plane, and the block bolt is set
There is locking nut.
Further, the valve rod driving disc is the turbine disk by worm drive..
The beneficial effects of the utility model are：Using a valve rod driving disc, it is fitted on valve ball valve rod turning handle
Elasticity mounting ring and driving hook, depart from hook, depart from the angle of wedge and reset the angle of wedge, make valve rod driving disc according to forced seal ball
Valve operating process driving valve ball and sealing cover operation, elasticity mounting ring use, make on valve ball integrate sealing cover except
All positions beyond when forced seal jacks up can be reliably tightened on valve ball matrix, avoid the influence of medium turbulent flow.When
When valve ball is integrally rotated to pass direction, rigidly connected fault-tolerant guarantee can be provided.After valve ball matrix turns to off-position, and meeting
The motion association between valve ball matrix and sealing cover jack-up is separated, reduces the consumption of forced seal moment of torsion.It is easy to operate, reliability
Height, the application particularly suitable for heavy caliber and high pressure valve.
The utility model is described in detail with reference to the accompanying drawings and examples.
Brief description of the drawings
Fig. 1 is the utility model structure chart；
Fig. 2 is the utility model driving device body structure, and upper cover upset is opened；
Fig. 3 is the structure chart that the utility model opens driving device box cover, and turning handle goes to valve ball closed position；
Fig. 4 is the structure chart of the utility model forced seal ball valve open position；
Fig. 5 is the structure chart of the utility model forced seal ball valve closed position；
Fig. 6 is that the utility model departs from angle of wedge promotion elasticity mounting ring disengaging driving hook schematic diagram；
Fig. 7 is that the utility model elasticity mounting ring is linked into disengaging hook schematic diagram；
Fig. 8 is that the reset angle of wedge of the utility model valve rod driving disc promotes elasticity mounting ring to be linked into valve rod driving turn again
The schematic diagram of the driving hook of disk；
Fig. 9 is another structure chart of the utility model elasticity mounting ring；Elasticity mounting is equipped with elastic telescopic frame.
Embodiment
Such as Fig. 1 to Fig. 5, a kind of forced seal ball valve opens and closes driving device, is arranged in forced seal ball valve, the pressure
Seal ball-valve includes valve ball 10, and the valve ball is equipped with sealing cover 11 and screw driving wheel 12, when the valve ball rotates to close stance
When putting, the screw driving wheel rotation, is jacked up and is withdrawn the sealing cover by screw thread 13, the screw driving wheel is driven by sealing
The driving rotation of driving wheel 14；The forced seal ball valve, which opens and closes driving device, includes sealed valve stem 20, valve ball valve rod 30, valve rod driving
Turntable 40 and valve rod travel block（51,52）, the sealed valve stem driving sealing driving wheel rotation, the valve rod driving turn
Dish driving sealed valve stem rotates；The valve ball valve rod drives the valve ball to rotate, and the valve rod travel block controls the valve ball
The rotational travel of valve rod；The valve ball valve rod rotates at the same time with the sealed valve stem in the rotational travel of the valve ball valve rod,
After the valve ball valve rod turns to valve ball closed position, the valve ball valve rod turns to stop operating；The valve rod driving disc after
The continuous driving sealed valve stem rotates and drives the screw driving wheel to jack up and withdraw the sealing cover.
The forced seal ball valve opens and closes driving device and is equipped with driving device babinet 60, and the valve rod driving disc is arranged on
In the driving device babinet；The valve ball valve rod is equipped with elasticity mounting ring 70, and the elasticity mounting ring is with the valve ball valve rod
Rotation, the elasticity mounting ring are that the elasticity that elastic displacement is produced in the rotation round direction of valve ball valve rod mounts ring, the drive
Dynamic device box is equipped with position correspondence in the disengaging angle of wedge 62 of the elasticity mounting ring and departs from hook 63, and the valve rod driving turns
Disk is equipped with the driving hook 41 for pulling the elasticity mounting ring；When the valve ball valve rod turns to valve ball closed position, the disengaging
The angle of wedge promotion elasticity mounting ring departs from the driving hook and is linked into the disengaging hook.
The driving device babinet is equipped with upper cover 61, and the disengaging angle of wedge and disengaging hook are set on the cover.
The valve rod driving disc is equipped with position correspondence in the reset angle of wedge 42 of the elasticity mounting ring, when the valve rod drives
Turn disk to opening direction rotate when, it is described reset the angle of wedge promote it is described elasticity mounting ring depart from it is described depart from link up with and be linked into
The driving hook of the valve rod driving disc.
The valve ball valve rod is equipped with turning handle 31, and the turning handle is equipped with through hole, and the elasticity mounting ring includes link 70, hanging rod
71 and compression spring 72, the hanging rod passes through the through hole of turning handle, and one end of the hanging rod is hinged with the link, the hanging rod
A compression spring is respectively equipped between the other end and the turning handle.
Such as Fig. 9, another structure of the elasticity mounting ring is：The valve ball valve rod is equipped with turning handle 31, and the turning handle is set
There is through hole, the elasticity mounting ring includes link 70, hanging rod 71 and elastic telescopic frame, and the hanging rod leads to through the described of turning handle
Hole, the both ends of the link and hanging rod respectively with the expansion bracket are hinged.
The elastic telescopic frame includes the first expansion bracket 73, the second expansion bracket 74 and compression spring 72, first expansion bracket
One end is hinged with hanging rod, and the other end of first expansion bracket is equipped with the first spring shelves first 75, second expansion bracket with it is described
Link is hinged, and the other end of second expansion bracket is equipped with second spring shelves first 76, and the compression spring sleeve is in first expansion bracket
On the second expansion bracket, the first spring shelves head and second spring shelves head described in the both ends difference top pressure of the compression spring.
The valve rod travel block includes closed position block 51 and open position block 52, the closed position block and
Open position block is installed on the driving device babinet, and the valve ball valve rod turns to turning handle during valve ball closed position
The closed position block is contacted, the valve ball valve rod turns to turning handle during valve ball open position and contacts the open position
Block.
The closed position block and open position block are installed on the driving device babinet by block bolt 53,
The contact surface of the closed position block and open position block and the valve ball valve rod turning handle 31 is inclined-plane, the block bolt
Equipped with locking nut 54.
The crowning of closed position block and open position block all the time with driving device box cover contacts, described
Raised and box cover is integral.So as to provide reliable spacing stop.
The valve rod driving disc is the turbine disk driven by worm screw 43.The valve rod driving disc is with respect to valve ball valve
The angle that bar rotates is no more than 270 degree.
Embodiment one：
Such as Fig. 1 to Fig. 5, a kind of forced seal ball valve opens and closes driving device, is arranged in forced seal ball valve.
Forced seal ball valve includes valve ball 10, and valve ball is equipped with sealing cover 11 and screw driving wheel 12, and sealing cover passes through rib axis
In the rib hole 18 of ball valve, when the valve ball rotates to closed position, screw driving wheel is pushed up when rotating by screw thread 13
Play and withdraw sealing cover.Top pressure realizes the sealing of ball valve on valve seat 15 when sealing cover is jacked up；When sealing cover is retracted and valve
Seat departs from, is contacted with valve ball, and certain gap is kept between sealing cover and valve seat, valve ball is not rubbed when rotating with valve seat
Wipe.Screw driving wheel drives rotation by sealing driving wheel 14.In the present embodiment, sealing driving wheel passes through an intermediate drive gear
16 driving screw driving wheels rotate.Screw driving wheel, intermediate drive gear and sealing driving wheel are all bevel gears, screw driving wheel
Axis perpendicular to sealing driving wheel axis.In order to reduce the end-face friction between screw driving wheel and valve ball, spiral
The contact surface of driving wheel and valve ball is equipped with thrust bearing 17.
Forced seal ball valve, which opens and closes driving device, includes sealed valve stem 20, valve ball valve rod 30.Sealed valve stem drives with sealing
Wheel is fixedly connected, and drives sealing driving wheel to rotate.Valve ball valve rod is passed through from sealed valve stem, and valve ball valve rod is fixed with valve ball to be connected
Connect, and drive valve ball to rotate.Turning handle 31 is equipped with the upper end of valve ball valve rod.
Driving device babinet 60 is equipped with the stem side of forced seal ball valve.Driving device babinet is equipped with upper cover 61.
Valve rod driving disc 40 is equipped with driving device babinet.Valve rod driving disc is a turbine disk, is filled in driving
Put the worm screw 43 that driving stem driving disc is equipped with babinet.Valve rod driving disc is connected with sealed valve stem and drives sealed valve stem
Rotation.
Valve rod travel block, the rotational travel of valve rod travel block control valve ball valve rod are equipped with driving device babinet.
Valve rod travel block includes closed position block 51 and open position block 52, and valve ball valve rod turns when turning to valve ball closed position
Handle contacts closed position block, and turning handle contacts open position block when valve ball valve rod turns to valve ball open position.Closed position
Block and open position block are installed on by block bolt 53 on the side wall of driving device babinet, closed position block and unlatching
Position stop and the contact surface of valve rod turning handle（51a, 52a）It is inclined-plane, block bolt is equipped with locking nut 54.Adjust block bolt
The inclined-plane of length in screw-in driving device babinet, closed position block and open position block can be turned with reset valve ball valve rod
The stroke of handle.
Valve ball valve rod is equipped with elasticity mounting ring 70, and elasticity mounting ring includes 70, two hanging rods 71 of link and two compression springs 72.
The turning handle of valve ball valve rod is equipped with two through holes, and two hanging rods are each passed through the through hole of two turning handles, one end of two hanging rods and extension
Ring is hinged, and a compression spring is respectively equipped between the other end and turning handle of two hanging rods.Elasticity mounting ring can be in valve ball valve rod
Rotation round direction produces elastic displacement.
Valve rod driving disc be equipped with pull elasticity mounting ring driving hook 41, valve rod driving disc be additionally provided with position correspondence in
The reset angle of wedge 42 of elasticity mounting ring.The upper cover 61 of driving device babinet is equipped with disengaging of the position correspondence in the elasticity mounting ring
The angle of wedge 62 and disengaging hook 63.
The operation principle of forced seal ball valve is：Valve ball valve rod rotational travel internal valve ball valve rod and sealed valve stem at the same time
Rotate, valve ball valve rod stops operating after valve ball closed position is turned to, and valve rod driving disc driving sealed valve stem rotates and band
Dynamic screw driving wheel jacks up and withdraws sealing cover.In general, valve rod driving disc is no more than relative to the angle that valve ball valve rod rotates
270 °, in the present embodiment, valve rod driving disc is no more than 110 ° relative to the angle that valve ball valve rod rotates, you can completes sealing behaviour
Make.
When sealed valve stem is relatively rotated with valve ball valve rod, screw driving wheel is rotated relative to valve ball, and screw driving wheel passes through
Screw thread 13 jacks up and withdraws sealing cover.When sealing cover is in recycling state, the bottom surface of sealing cover is contacted with the end face 19 of valve ball,
Screw driving wheel is no longer rotated to the direction for packing up sealing cover.At this time, the driving of valve rod driving disc hooks elasticity mounting ring,
Compression spring 72 keeps certain pretightning force between valve rod driving disc and elasticity mounting ring.
Forced seal ball valve is in opening, as shown in figure 4, the turning handle 31 of valve ball valve rod connects with open position block 52
Touch, when valve rod driving disc 40 is rotated to closing direction（Such as G directions in Fig. 2）, the driving hook 41 of valve rod driving disc pulls
Valve ball valve rod rotates, and valve rod driving disc also drives sealed valve stem 20 to rotate synchronously at the same time.Due to sealed valve stem and valve ball valve rod
Between do not relatively rotate, sealing cover 11 is maintained at retrieving position.
When valve rod driving disc pulls valve ball valve rod to turn to valve ball closed position, as shown in fig. 6, valve ball valve rod turns
Handle 31 is contacted with closed position block 51, and valve ball valve rod stops operating.Due to the presence of compression spring 72, driving hook 41 is hung with dynamic elasticity
Connect ring to continue to move to, compression spring is compressed, and in the compression travel of compression spring, is arranged on the disengaging angle of wedge 62 of driving device box cover
Promote elasticity mounting ring 70 to depart from driving hook 41 and be linked into disengaging hook 63, as shown in Figure 7；Under the pressure of compression spring, turning handle 31
It is pressed on the block of closed position, is maintained in its closed position valve ball.The valve rod driving disc for departing from elasticity mounting ring continues
Rotate to closing direction, produce relative rotation between sealed valve stem 20 and valve ball valve rod 30, sealed valve stem drives screw driving wheel
12 rotations, screw driving wheel screw thread 13 jacks up sealing cover, by sealing cover top pressure on valve seat 15.Realize forced seal ball valve
Sealing, as shown in Figure 5.
When opening forced seal ball valve, valve rod driving disc is rotated to opening direction（Such as K directions in Fig. 2）, valve rod drive
Turn dribbling dynamic sealing valve rod rotates, and sealed valve stem drives screw driving wheel rotation, and screw driving wheel screw thread 13 withdraws sealing cover,
The bottom surface of sealing cover is contacted with the end face 19 of valve ball, and gap is produced between sealing cover and valve seat.As shown in figure 8, valve rod driving turns
For disk in rotation process, the reset angle of wedge 42 of valve rod driving disc promotes elasticity mounting ring to depart from the de- of driving device box cover
From hook 63, elasticity mounting ring is linked into the driving hook of valve rod driving disc again.Valve rod driving disc continues to revolve to opening direction
Turn, due to the bottom surface end contact with valve ball of sealing cover, opposite turn no longer is produced between sealed valve stem and valve ball valve rod
Dynamic, valve ball valve rod is synchronous with sealed valve stem to be rotated to opening direction, and valve ball is rotated to opening direction, and elasticity mounting ring is also with valve ball
Valve rod rotates.The turning handle 31 of valve ball valve rod is turned to be contacted with open position block 52, and valve ball turns to open position, completes
The opening operation of forced seal ball valve, as shown in Figure 4.
The forced seal ball valve of the present embodiment opens and closes driving device, using a valve rod driving disc, is fitted to valve
Elasticity mounting ring and driving hook, disengaging on ball valve rod are linked up with, depart from the angle of wedge and reset the angle of wedge, make valve rod driving disc according to strong
The operating process driving valve ball of seal ball-valve processed and the operation of sealing cover, only need rotary worm effectively to realize forced seal
The opening and closing operation of ball valve.Easy to operate, reliability is high, the application particularly suitable for heavy caliber and high pressure valve.
Embodiment two：
Such as Fig. 9, a kind of forced seal ball valve opens and closes driving device, and the present embodiment is one of elasticity mounting ring in embodiment one
Kind structure is improved.
In the present embodiment, valve ball valve rod is equipped with turning handle 31, and turning handle is equipped with through hole, and the structure of elasticity mounting ring includes：Link
70th, hanging rod 71 and elastic telescopic frame, elastic telescopic frame include the first expansion bracket 73, the second expansion bracket 74 and compression spring 72.
There is the through hole that a hanging rod passes through turning handle, one end of hanging rod is equipped with boss 77, and hanging rod tangles turning handle by boss.Hang
The other end of bar and one end of two the first expansion brackets are hinged, and two the first expansion brackets are arranged on the symmetrical both sides of hanging rod.First
The other end of expansion bracket is equipped with the first spring shelves first 75.
One end of link and two the second expansion brackets is hinged, and two the second expansion brackets are arranged on the both ends of link.Second stretches
The other end of contracting frame is equipped with second spring shelves first 76.There are two compression springs, each compression spring sleeve is in first expansion bracket and one
Outside two expansion brackets, both ends difference top pressure the first spring shelves head and second spring shelves head of compression spring.
When the driving hook of valve rod driving disc pulls link, elastic telescopic frame produces elastic telescopic, realizes elasticity mounting
The function of ring.
Claims (10)
1. a kind of forced seal ball valve opens and closes driving device, it is arranged in forced seal ball valve, the forced seal ball valve includes
Valve ball, the valve ball are equipped with sealing cover and screw driving wheel, when the valve ball rotates to closed position, the screw driving wheel
Rotation is jacked up by screw thread and withdraws the sealing cover, and the screw driving wheel is rotated by sealing drive wheel；Its feature exists
In the forced seal ball valve, which opens and closes driving device, includes sealed valve stem, valve ball valve rod, valve rod driving disc and valve rod travel gear
Block, the sealed valve stem driving sealing driving wheel rotate, the valve rod driving disc driving sealed valve stem rotation；The valve
Ball valve rod drives the valve ball to rotate, and the valve rod travel block controls the rotational travel of the valve ball valve rod；In the valve ball
The valve ball valve rod rotates at the same time with the sealed valve stem in the rotational travel of valve rod, and turning to valve ball in the valve ball valve rod closes
After closed position, the valve ball valve rod turns to stop operating；The valve rod driving disc continues to drive the sealed valve stem rotation and band
The dynamic screw driving wheel jacks up and withdraws the sealing cover.
2. a kind of forced seal ball valve according to claim 1 opens and closes driving device, it is characterised in that the forced seal
Ball valve opens and closes driving device and is equipped with driving device babinet, and the valve rod driving disc is arranged in the driving device babinet；Institute
State valve ball valve rod be equipped with elasticity mounting ring, it is described elasticity mounting ring is rotated with the valve ball valve rod, it is described elasticity mount ring be
The rotation round direction of valve ball valve rod produces the elasticity mounting ring of elastic displacement, the driving device babinet be equipped with position correspondence in
The disengaging angle of wedge of the elasticity mounting ring and disengaging are linked up with, and the valve rod driving disc is equipped with the drive for pulling the elasticity to mount ring
Dynamic hook；When the valve ball valve rod turns to valve ball closed position, the disengaging angle of wedge is promoted described in the elasticity mounting ring disengaging
Driving hook is simultaneously linked into the disengaging hook.
3. a kind of forced seal ball valve according to claim 2 opens and closes driving device, it is characterised in that the driving device
Babinet is equipped with upper cover, and the disengaging angle of wedge and disengaging hook are set on the cover.
4. a kind of forced seal ball valve according to claim 2 opens and closes driving device, it is characterised in that the valve rod driving
Turntable is equipped with position correspondence in the reset angle of wedge of the elasticity mounting ring, when the valve rod driving disc is rotated to opening direction
When, the reset angle of wedge promotion elasticity mounting ring disengaging is described to be departed from hook and is linked into the drive of the valve rod driving disc
Dynamic hook.
5. a kind of forced seal ball valve according to claim 2 opens and closes driving device, it is characterised in that the valve ball valve rod
Equipped with turning handle, the turning handle is equipped with through hole, and the elasticity mounting ring includes link, hanging rod and compression spring, and the hanging rod passes through turning handle
The through hole, one end of the hanging rod is hinged with the link, is set respectively between the other end of the hanging rod and the turning handle
There is a compression spring.
6. a kind of forced seal ball valve according to claim 2 opens and closes driving device, it is characterised in that the valve ball valve rod
Equipped with turning handle, the turning handle is equipped with through hole, and the elasticity mounting ring includes link, hanging rod and elastic telescopic frame, and the hanging rod is worn
The through hole of turning handle is crossed, the both ends of the link and hanging rod respectively with the expansion bracket are hinged.
7. a kind of forced seal ball valve according to claim 6 opens and closes driving device, it is characterised in that the elastic telescopic
Frame includes the first expansion bracket, the second expansion bracket and compression spring, and one end of first expansion bracket is hinged with hanging rod, and described first is flexible
The other end of frame is equipped with the first spring shelves head, and second expansion bracket is hinged with the link, second expansion bracket it is another
End is equipped with second spring shelves head, and the compression spring sleeve is on first expansion bracket and the second expansion bracket, the both ends point of the compression spring
First spring shelves head described in other top pressure and second spring shelves head.
8. a kind of forced seal ball valve according to claim 1 opens and closes driving device, it is characterised in that the forced seal
Ball valve opens and closes driving device and is equipped with driving device babinet, and the valve rod travel block includes closed position block and open position is kept off
Block, the valve ball valve rod are equipped with turning handle；The closed position block and open position block are installed on the driving device babinet
On, the valve ball valve rod turns to turning handle during valve ball closed position and contacts the closed position block, the valve ball valve rod
Turn to turning handle during valve ball open position and contact the open position block.
9. a kind of forced seal ball valve according to claim 8 opens and closes driving device, it is characterised in that the closed position
Block and open position block are installed on the driving device babinet by block bolt, the closed position block and unlatching
Position stop and the contact surface of the turning handle are inclined-planes, and the block bolt is equipped with locking nut.
10. a kind of forced seal ball valve according to claim 1 opens and closes driving device, it is characterised in that the valve rod drives
Turn disk is the turbine disk by worm drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721357069.5U CN207316123U (en) | 2017-10-20 | 2017-10-20 | A kind of forced seal ball valve opens and closes driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721357069.5U CN207316123U (en) | 2017-10-20 | 2017-10-20 | A kind of forced seal ball valve opens and closes driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207316123U true CN207316123U (en) | 2018-05-04 |
Family
ID=62381834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721357069.5U Expired - Fee Related CN207316123U (en) | 2017-10-20 | 2017-10-20 | A kind of forced seal ball valve opens and closes driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207316123U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514489A (en) * | 2017-10-20 | 2017-12-26 | 淄博沃泰斯石化设备有限公司 | A kind of forced seal ball valve opens and closes drive device |
-
2017
- 2017-10-20 CN CN201721357069.5U patent/CN207316123U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514489A (en) * | 2017-10-20 | 2017-12-26 | 淄博沃泰斯石化设备有限公司 | A kind of forced seal ball valve opens and closes drive device |
| CN107514489B (en) * | 2017-10-20 | 2024-04-12 | 淄博沃泰斯石化设备有限公司 | Forced sealing ball valve opening and closing driving device |
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