CN208331407U - High pressure valve headstock gear and its high pressure valve - Google Patents
High pressure valve headstock gear and its high pressure valve Download PDFInfo
- Publication number
- CN208331407U CN208331407U CN201820932833.5U CN201820932833U CN208331407U CN 208331407 U CN208331407 U CN 208331407U CN 201820932833 U CN201820932833 U CN 201820932833U CN 208331407 U CN208331407 U CN 208331407U
- Authority
- CN
- China
- Prior art keywords
- valve
- high pressure
- cone valve
- cone
- sheave
- 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.)
- Active
Links
Abstract
The utility model belongs to valve technology field, a kind of high pressure valve headstock gear and high pressure valve are disclosed, including handwheel, the hand wheel shaft affixed with handwheel, ball valve body, cone valve, the ball valve rod being connected with ball valve body and the cone valve screw rod being connected with cone valve, hand wheel shaft end is connected with driving gear, the driven gear that sustained height is in driving gear is arranged on cone valve screw rod, driven gear inner hole is equipped with the helicitic texture being adapted to cone valve screw rod, and cone valve screw rod carries out oscilaltion under the drive of driven gear；Ball valve boom end is equipped with sheave, and hand wheel shaft is equipped with dial structure in middle section position, and dial structure includes the driver plate Locking arc that can cooperate with the recessed periphery of sheave and the straight pin that can cooperate with sheave radial slot；High pressure valve headstock gear further includes the mounting base for fixing driving gear, driven gear and sheave height.This high pressure valve headstock gear can realize the sequence opening and closing of ball valve and cone valve, avoid erosion of the cone valve by high pressure draught, it is ensured that the sealing reliability of high pressure valve.
Description
Technical field
The utility model relates to valve technology fields, and in particular, to a kind of high pressure valve headstock gear and its high pressure valve
Door.
Background technique
High pressure valve is mainly used in the industries such as electric power, petroleum, chemical industry, metallurgy.Such valve of Chinese Enterprises production at present
Door in the prevalence of leakage, the service life is shorter, valve opening and closing dress malfunction the disadvantages of.
The Service Environment of high pressure valve be it is relative complex, operating condition is all relatively severe, easily leaks, especially interior
Leakage, under the influence of high pressure and temperature, causes to fail after valves leakage quickly.Such case occurs in order to prevent, domestic and international valve
Manufacturing enterprise, make every effort to reinforce valve sealing device, as Hunan Hongyuan High Press Valve Co., Ltd. produce movable combination valve,
Cone valve and ball valve dual-seal are just taken, the persistent ailment of valve leak is thoroughly solved, is truly realized zero leakage.But this device
Using cam as transmission mechanism, therefore operate very laborious when valve opening and closing, and cam is that higher pair contacts, unitstress
Larger, cam is easily damaged, and is replaced more frequent.Furthermore the dual close of high pressure valve also may be implemented in the compound rack structure of multiple field
Envelope, but required huge structure are not suitable for actual production.
Summary of the invention
The technical issues of the utility model solves is to overcome the deficiencies of existing technologies, and valve can be effectively prevent by providing one kind
By high pressure draught erosion, life of valve is significantly improved, so that it is guaranteed that the reliable high pressure valve headstock gear of valve seal.
The utility model provides a kind of high pressure valve equipped with the high pressure valve headstock gear simultaneously.
The purpose of this utility model is achieved through the following technical solutions:
A kind of high pressure valve headstock gear, including handwheel, the hand wheel shaft being fixedly connected with the hand wheel, ball valve body, cone valve, with
Cone valve screw rod ball valve body connected ball valve rod and be connected with cone valve, hand wheel shaft end is connected with driving gear, cone valve screw rod
On be arranged with the driven gear that sustained height is in driving gear, driving gear and the engageable transmission of driven gear, driven tooth
Wheel inner hole is equipped with the helicitic texture being adapted to cone valve screw rod, and cone valve screw rod can carry out oscilaltion under the drive of driven gear.
Ball valve boom end is equipped with sheave, and hand wheel shaft is equipped with dial structure in middle section position, and dial structure includes can be with slot
The driver plate Locking arc of the recessed periphery cooperation of wheel and the straight pin that can cooperate with the radial slot of sheave.
High pressure valve headstock gear further includes the mounting base for fixing driving gear, driven gear and sheave height.
Further, cone valve screw rod end sleeve is equipped with cone valve rotation-preventing mechanism, and cone valve rotation-preventing mechanism periphery has at least one
Double wedge, mounting base include the limiting section with the cooperation of cone valve rotation-preventing mechanism, and limiting section is equipped on the axial direction of cone valve screw rod can
Groove that is chimeric with double wedge and making lifting sliding for double wedge, the surface that groove is arranged in mounting base is the sliding of cone valve rotation-preventing mechanism
Surface.
Further, cone valve rotation-preventing mechanism periphery is regular bent plane or the structure that multiple flat faces connect, sliding
Surface is adapted to the peripheral structure of cone valve rotation-preventing mechanism.
Further, multiple double wedges are symmetrical arranged in cone valve rotation-preventing mechanism periphery.
Still further, double wedge is rectangular configuration double wedge.
Further, mounting base includes top plate and bottom plate, and top plate is equipped with the through-hole passed through for hand wheel shaft, table on bottom plate
Face is contacted with the fitting of the lower end surface of driving gear and driven gear.
Further, between top plate and bottom plate be equipped with for fixed sheave height limit plate, limit plate upper surface with
Driver plate Locking arc lower end surface is close to, and slip surface and groove penetrate through limit plate, and limit plate is equipped with the work passed through for ball valve rod
Dynamic hole, limit plate are equipped with the lip block with sheave following table face contact in the end perimeter of movable span towards sheave.
Further, cone valve screw rod and cone valve rotation-preventing mechanism are keyed.
Further, driving gear and hand wheel shaft are keyed.
Further, sheave and ball valve rod are keyed.
A kind of high pressure valve is equipped with high pressure valve headstock gear as described above.
Compared with prior art, the utility model has the following beneficial effects:
1) this high pressure valve headstock gear is designed using ball valve and cone valve dual-valve body, and ball valve body sealing and cone valve are sealed in
It is mutually indepedent when work, and the sequence switching motion to realize ball valve and cone valve is connected each other by hand wheel shaft and sheave etc., most
Erosion of the cone valve by high pressure draught is avoided to limits, its service life is significantly improved, to persistently ensure to be equipped with this high pressure valve
The sealing reliability of the high pressure valve of door operating gear；
2) double wedge on cone valve rotation-preventing mechanism is chimeric with the groove in mounting base to effectively prevent cone valve screw rod in driven tooth
It is rotated under the drive of wheel, cone valve screw rod is only capable of axially carrying out lifting action along it, to smoothly realize the unlatching of cone valve
And shutoff operation；
3) slip surface is adapted to the peripheral structure of cone valve rotation-preventing mechanism, can make cone valve rotation-preventing mechanism along slip surface both
Fixed " track " lifting, effectively prevent the possibility of cone valve rotation-preventing mechanism run-off the straight in lifting process, is zero barrier of driven gear
Engaged transmission is hindered to provide a strong guarantee；
4) the recessed periphery of driver plate Locking arc and sheave cooperates the locking state of controllable ball valve rod, meets ball valve rod and is acting
Locked requirement afterwards；
5) it is filled between cone valve screw rod and cone valve rotation-preventing mechanism, between driving gear and hand wheel shaft, between sheave and ball valve rod
The movable connection method of key connection is taken in timing, so that cone valve and ball valve body replacement are convenient, easy to operate, can reduce valve dimension
Protect cost；
6) stroke of cone valve decline is shorter, will not have an impact to the airflow pipeline before ball valve completely closes, i.e. ball
During valve is from beginning to shut off to completely closing, cone valve, which is equivalent to, not to be moved always, although in fact having dropped certain stroke,
It will not have an impact the flowing of medium in pipeline；
7) gear that this high pressure valve headstock gear uses is master gear, and manufacturing cost is cheap, is conducive to later maintenance, and
Apparatus structure is simple, and each part is more demanding in installation dimension and cooperation precision, the movement such as transmission or rotation between part
It can nimbly and freely, fast power-saving carry out, ensure that smoothly completing for opening and closing sequentially-operating.
Detailed description of the invention
Fig. 1 is the internal structure stereoscopic schematic diagram of high pressure valve headstock gear described in embodiment 1；
Fig. 2 is the sectional view of mounting base described in embodiment 1；
Fig. 3 is the connection schematic diagram of cone valve rotation-preventing mechanism and cone valve screw rod described in embodiment 1.
Specific embodiment
The utility model is further described With reference to embodiment, wherein being given for example only property of attached drawing
Illustrate, expression is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent；In order to which this reality is better described
With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
Embodiment 1
A kind of high pressure valve is provided, is equipped with high pressure valve headstock gear as shown in Figure 1, which includes handwheel
11, the hand wheel shaft 12 that is fixedly connected with handwheel 11, ball valve body 21, cone valve 31, the ball valve rod 22 being connected with ball valve body and with cone
The connected cone valve screw rod 32 of valve body, handwheel 11 are located at the first end of hand wheel shaft 12, and the second end of hand wheel shaft 12 is connected with one
Driving gear 13 is arranged with the driven gear 33 that sustained height is in driving gear 13, driving gear 13 on cone valve screw rod 32
With the engageable transmission of driven gear 33,33 inner hole of driven gear is equipped with the helicitic texture being adapted to cone valve screw rod 32, cone valve screw rod
32 are threaded through in 33 inner hole of driven gear and can carry out oscilaltion under the drive of driven gear 33, and cone valve 31 can bore
The lifting of valve screw rod 32 opens and closes the cone valve in high pressure valve under driving.
The cooperation of the helicitic texture of cone valve screw rod 32 and 33 inner hole of driven gear can make driven gear 33 when rotating clockwise
Cone valve screw rod 32 is driven to rise；Driven gear 32 drives cone valve screw rod 32 to decline when rotating counterclockwise.
Ball valve body 21 is set to the first end of ball valve rod 22, and the second end of ball valve rod 22 is equipped with sheave 23, hand wheel shaft
12 are equipped with dial structure at the middle section position between handwheel 11 and driving gear 13, and dial structure is for controlling sheave 23
Rotation and lock realize to cone valve opening and closing movement, wherein dial structure include can be with the recessed periphery 231 of sheave
The driver plate Locking arc 14 of cooperation and the straight pin 15 that can cooperate with the radial slot 232 of sheave, specifically, straight pin 15 enters radial
Slot 232 drives sheave 23 to carry out rotary motion, and after turning round certain angle, straight pin 15 leaves radial slot 232, driver plate Locking arc
14 start to prevent ball valve rod 22 from continuing to rotate, to realize sheave 23 to ball valve to lock sheave 23 with the cooperation of recessed periphery 231
Tapping mode.
Driver plate Locking arc 14 has one section of concave arc v notch v 141, and straight pin 15 is solidly connected to the concave arc by a connecting plate 16
On v notch v 141, when the radial slot 232 of straight pin 15 and sheave is in contact movement, 23 lower surface of sheave and connecting plate 16
Upper surface is in contact condition.
This headstock gear is to make clockwise or counterclockwise, not needing to continue work on demand to handwheel 11 by external force
The rotation of single direction, therefore two recessed peripheries 231 of setting and a radial slot 232, recessed periphery and radial direction are only needed on sheave 23
The structure of slot need to meet when dial structure and fully mated any recessed periphery, and straight pin rotates 3/4 Zhou Keyu with dial structure
Radial slot contact.
As shown in Fig. 2, this headstock gear further includes for fixing 23 height of driving gear 13, driven gear 33 and sheave
Mounting base 4, it is ensured that the installation accuracy and operating position stability of each part of headstock gear.
The high pressure valve of the present embodiment is designed using ball valve and cone valve dual-valve body, is sealed using ball valve body sealing and cone valve
It is mutually indepedent at work, and the sequence switching motion to realize ball valve and cone valve is connected each other by hand wheel shaft and sheave etc.,
Cone valve is avoided to be significantly improved its service life by the erosion of high pressure draught to the maximum extent, to persistently ensure this high pressure valve
Sealing reliability.
The movement of handwheel is transferred to by headstock gear using the engaged transmission mode of driving gear and driven gear simultaneously
At cone valve, this engaged transmission can increase hand wheel shaft to the transmission ratio of cone valve screw rod, be equivalent to and increase torque, operator is only
Lesser power need to be imposed to handwheel can fast realize the lifting of cone valve.
For driven gear 33 when with 13 engaged transmission of driving gear, the screw thread of inner hole is also to nibble with cone valve screw rod 32
Transmission is closed, due to there is friction between the two, driven gear 33 may will drive cone valve screw rod 32 and rotate together, such as frictional force foot
Enough big, then cone valve screw rod 32, which will be equivalent to be integrally formed with driven gear 33, makees the identical rotary motion of revolving speed, and is unable to control
The lifting of cone valve 31, the present embodiment are the rotation for limiting cone valve screw rod 32, take and are arranged cone valve in 32 end of cone valve screw rod
The means of rotation-preventing mechanism 34 control 32 progress lifting actions of cone valve screw rod, between cone valve screw rod 32 and cone valve rotation-preventing mechanism 34
It is stably connected with, cannot occur to relatively move or rotates.
Specifically, there are two symmetrical double wedges 341 for 34 periphery of cone valve rotation-preventing mechanism tool, and mounting base 4 is equipped with and cone valve
Rotation-preventing mechanism 34 cooperate limiting section 41, wherein limiting section 41 on the axial direction of cone valve screw rod 32 be equipped with can be with double wedge 341
It is fitted into and makees for double wedge the groove 414 of lifting sliding, the surface that groove 411 is arranged in mounting base 4 is the cunning of cone valve rotation-preventing mechanism
Move surface 412.
Because double wedge 341 is entrenched in groove 411, cone valve rotation-preventing mechanism 34 will be restricted from and rotate, cone valve screw rod
32 also will be limited to rotate by cone valve rotation-preventing mechanism 34, ensure that cone valve screw rod 32 will not be by driven gear 33
Band movement rotary motion.
Cone valve rotation-preventing mechanism periphery can be the various structures such as cylinder, cuboid even spherical shape, only need to guarantee to slide
Surface is moved for the freely sliding up and down of cone valve rotation-preventing mechanism.
To prevent the run-off the straight in lifting process of cone valve rotation-preventing mechanism 34, ensures that zero obstacle of driven gear 33 engages and pass
It moves, the structure that cone valve rotation-preventing mechanism periphery preferably uses regular bent plane or multiple flat faces to connect, uses and add in the present embodiment
The simple cylindrical structure of work, slip surface 412 are set as being adapted to the peripheral structure of cone valve rotation-preventing mechanism 34, force cone valve anti-
Rotation mechanism 34 is gone up and down along set " track " of slip surface 412.
Certainly, on the basis of slip surface is adapted to cone valve rotation-preventing mechanism peripheral structure, such as cone valve rotation-preventing mechanism periphery
Connect if rectangular parallelepiped structure for multiple flat faces, then can also not have in the cone valve rotation-preventing mechanism periphery of the rectangular parallelepiped structure
Double wedge is set, can only be effectively prevent by slip surface and the rotational freedom limitation of cone valve rotation-preventing mechanism between the two at this time
Cone valve rotation-preventing mechanism rotates.
Two symmetrical double wedges 341 design, and enhance the anti-rotation performance of cone valve rotation-preventing mechanism 34, while also can be improved any
The service life of single double wedge.
Double wedge 341 is specially rectangular configuration double wedge, and this double wedge construction can be formed with groove to be fitted closely, and is further increased
The anti-rotation effect of cone valve rotation-preventing mechanism.
Mounting base 4 further includes top plate 42 and bottom plate 43, as shown in Fig. 2, top plate 42 is equipped with and to pass through for hand wheel shaft 12
Through-hole, 43 upper surface of bottom plate then with the lower end surface of driving gear 13 and driven gear 33 fitting contact, hold driving gear and from
The weight of moving gear guarantees the installation and assembly height of driving gear and driven gear.
There is the first movable through-hole for 32 oscilaltion of cone valve screw rod on bottom plate 43, also have and passed through for ball valve rod 22
The second movable through-hole, cone valve 31 and ball valve body 21 are respectively positioned on 43 or less bottom plate.
Top plate 42 is equipped with the through-hole passed through for hand wheel shaft 12, and handwheel 11 is located at 42 or more top plate, the through-hole and handwheel
The diameter of axis is adapted to, the limitation due to the through-hole to hand wheel shaft 12, bottom plate 43 to driving gear 13, when external force is applied to handwheel 11
When upper, when hand wheel shaft 12 makees axial rotate will not run-off the straight, can only axially rotate.
Spacing between top plate 42 and bottom plate 43 is greater than the lifting travel of cone valve screw rod 32.
For the installation and cooperation accuracy for further strengthening each part of this headstock gear, mounting base is in top plate 42 and bottom plate 43
Between be equipped with limit plate 44 for 23 height of fixed sheave, 44 upper surface of limit plate is close to 14 lower end surface of driver plate Locking arc,
Meanwhile slip surface 412 and groove 411 penetrate through limit plate 44, limit plate 44 is equipped with the movable span passed through for ball valve rod 22,
Limit plate 44 is equipped with the lip block 441 with 23 following table face contact of sheave in the end perimeter of movable span towards sheave 23.
Limit plate can carry the weight of dial structure and sheave, share it for bottom plate and hold to driving gear and its upper-part
Weight, so that it is guaranteed that the height of driving gear, dial structure and sheave is maintained at elaborate position.
To keep the installation and replacement of each part of this headstock gear convenient, between cone valve screw rod 32 and cone valve rotation-preventing mechanism 34,
The side of flexible connection of key connection is taken between driving gear 13 and hand wheel shaft 12, when assembling between sheave 23 and ball valve rod 22
The connection of formula, specially flat key, wherein the connecting key 5 between cone valve screw rod 32 and cone valve rotation-preventing mechanism 34 is as shown in Figure 3, this
Connection type structure is simple, be convenient to mount and dismount, be good to neutrality, connective stability is strong, can significantly reduce the installation and dimension of high pressure valve
Protect cost.
The specific opening and closing process of this high pressure valve headstock gear is as follows:
1) opening process
For headstock gear under the original state of unlatching, driver plate Locking arc 14 and the recessed periphery 231 of sheave are mated condition (i.e. ball
Valve rod 22 is locking state), straight pin 15 is to need that dial structure is followed to rotate 3/4 week shape that could be contacted with radial slot 232
State.
A. cone valve is opened
Handwheel 11 is rotated in an anti-clockwise direction by external force, drives hand wheel shaft 12 and driving gear 13 to rotate, driving gear 13
With 33 engaged transmission of driven gear, driven gear 33 is risen by engaging driving cone valve screw rod 32 with cone valve screw rod 32, thus band
Mantle valve body 31 rises, and handwheel 11 continues to revolve through certain angle, and cone valve continues to rise.
In the process, other parts do not act.
B. ball valve rod unlocks
Handwheel 11 continues to rotate counterclockwise, and driver plate Locking arc 14 is detached from the recessed periphery 231 of sheave after turning an angle, at this time
Ball valve rod 22 unlocks.
C. ball valve is opened
Handwheel 11 continues to rotate counterclockwise, and when driver plate Locking arc 14 unlocks ball valve rod 22, straight pin 15 initially enters diameter
To slot 232, and ball valve rod 22 is driven to rotate clockwise, after handwheel 11 continues to rotate 1/4 week, ball valve body 21 is rotated by 90 °, ball valve
It fully opens.
In the process, driving gear 13 is engaged with driven gear 33 always, and driven gear 33 drives 32 He of cone valve screw rod
Cone valve 31 persistently rises, until cone valve fully opens.
2) closing process (opposite with opening process)
The closing original state of headstock gear is the end-state of opening process.
A. ball valve is closed
Make handwheel 11 rotationally clockwise by external force, dial structure and driving gear 13 is driven to rotate clockwise, circle
Pin 15 initially enters radial slot 232 and sheave 23 is driven to rotate counterclockwise, and sheave 23 drives ball valve rod 22 and ball valve body 21
It rotates counterclockwise, while driven gear 33 drives cone valve screw rod 32 and cone valve 31 to begin to decline.
After dial structure rotates 1/4 week, straight pin 15 is detached from the radial slot 232 of sheave, and no longer drive sheave 23 rotates, ball
Valve rod 22 stops operating, and ball valve body 21 has rotated 90 degree at this time, and ball valve is in close state.
Ball valve close after, dial structure continues to rotate, and cone valve 31 continues to decline, but the stroke of cone valve entire lowering compared with
It is short, ball valve will not be had an impact in the pipeline begun to shut off to before completely closing (if when ball valve does not have also wholly or largely
Before closing, the longer words of stroke of cone valve decline are equivalent to first to close cone valve and turn off ball valve either cone valve and ball valve
It simultaneously closes off, thus loses first closing ball valve and turn off cone valve, protect cone valve not by the Protection significance impacted.But because of cone
The stroke that valve body itself declines is shorter, it is possible to understand that are as follows: ball valve is begun to shut off completely close during, cone valve does not have always
It is dynamic, because while having dropped certain stroke, but the flowing of medium in pipeline is not had an impact).
B. ball valve rod is locked
After ball valve is closed, for dial structure during continuing to rotate clockwise, driver plate Locking arc 14 will be recessed with sheave
Periphery 231 contacts, and ball valve rod 22 is initially entered by locking state, and will after dial structure continues to rotate 3/4 week quilt completely
It is locked that (driver plate Locking arc 14 and recessed periphery 231 cooperate, so that sheave 23 is not able to rotate, while ball valve rod 22 and ball valve body 21
It can not rotate, i.e., ball valve rod 22 is locked).
C. cone valve is closed
Handwheel 11 continues to rotate clockwise after ball valve rod 22 is initially entered by locking state, driving gear 13 and driven tooth
Wheel 33 continues to engage, and driven gear 33 rotates counterclockwise and declines cone valve screw rod 32, after handwheel 11 continues to rotate 3/4 week, cone
Valve screw rod 32, which would fall to certain altitude and cone valve 31 is made to drop to lowest point, realizes completely closing for cone valve.
The gear that this high pressure valve headstock gear uses is master gear, and manufacturing cost is cheap, is conducive to later maintenance, and fill
It is simple to set structure, each part more demanding, movements energy such as transmission or rotation between part in installation dimension and cooperation precision
Nimbly and freely, it carries out to fast power-saving, ensure that smoothly completing for opening and closing sequentially-operating.
Obviously, above-described embodiment is only intended to clearly illustrate the technical solution of the utility model example, and simultaneously
Non- is limitations of the embodiments of the present invention.For those of ordinary skill in the art, above explained
On the basis of can also make other variations or changes in different ways.There is no need and unable to give thoroughly all embodiments
It lifts.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc. should be included in this
Within the protection scope of utility model claims.
Claims (10)
1. a kind of high pressure valve headstock gear, which is characterized in that including handwheel, the hand wheel shaft being fixedly connected with the hand wheel, ball valve body,
Cone valve, the ball valve rod being connected with ball valve body and the cone valve screw rod being connected with cone valve, hand wheel shaft end are connected with driving gear,
The driven gear that sustained height is in driving gear, driving gear and the engageable biography of driven gear are arranged on cone valve screw rod
Dynamic, driven gear inner hole is equipped with the helicitic texture being adapted to cone valve screw rod, and cone valve screw rod can carry out under the drive of driven gear
Oscilaltion；
Ball valve boom end is equipped with sheave, and hand wheel shaft is equipped with dial structure in middle section position, and dial structure includes can be with sheave
The driver plate Locking arc of recessed periphery cooperation and the straight pin that can cooperate with the radial slot of sheave；
High pressure valve headstock gear further includes the mounting base for fixing driving gear, driven gear and sheave height.
2. according to right want 1 described in high pressure valve headstock gear, which is characterized in that cone valve screw rod end sleeve be equipped with cone valve anti-rotation
Mechanism, cone valve rotation-preventing mechanism periphery have at least one double wedge, and mounting base includes the limiting section with the cooperation of cone valve rotation-preventing mechanism, limit
Position portion is equipped on the axial direction of cone valve screw rod can be chimeric with double wedge and makees the groove that lifting slides for double wedge, sets in mounting base
The surface for setting groove is the slip surface of cone valve rotation-preventing mechanism.
3. high pressure valve headstock gear according to claim 2, which is characterized in that cone valve rotation-preventing mechanism periphery is regular
The structure that bent plane or multiple flat faces connect, slip surface are adapted to the peripheral structure of cone valve rotation-preventing mechanism.
4. high pressure valve headstock gear according to claim 2, which is characterized in that multiple double wedges are outside cone valve rotation-preventing mechanism
Week is symmetrical arranged.
5. high pressure valve headstock gear according to claim 4, which is characterized in that double wedge is rectangular configuration double wedge.
6. high pressure valve headstock gear according to claim 2, which is characterized in that mounting base includes top plate and bottom plate, top
Plate is equipped with the through-hole passed through for hand wheel shaft, and plate upper surface is contacted with the fitting of the lower end surface of driving gear and driven gear.
7. high pressure valve headstock gear according to claim 6, which is characterized in that be equipped between top plate and bottom plate for solid
Determine the limit plate of sheave height, limit plate upper surface is close to driver plate Locking arc lower end surface, and slip surface and groove penetrate through limit
Position plate, limit plate are equipped with the movable span that passes through for ball valve rod, limit plate the end perimeter of movable span towards sheave be equipped with
The lip block of sheave following table face contact.
8. high pressure valve headstock gear according to claim 1, which is characterized in that cone valve screw rod and cone valve rotation-preventing mechanism key
Connection.
9. high pressure valve headstock gear according to claim 1, which is characterized in that driving gear and hand wheel shaft are keyed.
10. a kind of high pressure valve, which is characterized in that be equipped with high pressure valve as claimed in any one of claims 1 to 9 wherein opening and closing dress
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820932833.5U CN208331407U (en) | 2018-06-15 | 2018-06-15 | High pressure valve headstock gear and its high pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820932833.5U CN208331407U (en) | 2018-06-15 | 2018-06-15 | High pressure valve headstock gear and its high pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208331407U true CN208331407U (en) | 2019-01-04 |
Family
ID=64771441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820932833.5U Active CN208331407U (en) | 2018-06-15 | 2018-06-15 | High pressure valve headstock gear and its high pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208331407U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692095A (en) * | 2018-06-15 | 2018-10-23 | 湖南工业大学 | High pressure valve headstock gear and its high pressure valve |
| CN112830117A (en) * | 2020-12-31 | 2021-05-25 | 徐州亚兴医疗科技有限公司 | Raw material tank for continuous catalytic device |
-
2018
- 2018-06-15 CN CN201820932833.5U patent/CN208331407U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692095A (en) * | 2018-06-15 | 2018-10-23 | 湖南工业大学 | High pressure valve headstock gear and its high pressure valve |
| CN112830117A (en) * | 2020-12-31 | 2021-05-25 | 徐州亚兴医疗科技有限公司 | Raw material tank for continuous catalytic device |
| CN112830117B (en) * | 2020-12-31 | 2021-11-26 | 徐州亚兴医疗科技有限公司 | Raw material tank for continuous catalytic device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2017202151A1 (en) | Forced seal ball valve | |
| US9022352B2 (en) | Hard seal plug valve | |
| CN110594442B (en) | DBB forced sealing valve and operating device | |
| CN208331407U (en) | High pressure valve headstock gear and its high pressure valve | |
| CN207080517U (en) | A kind of ball valve power transmission shaft with spline | |
| CN108692095A (en) | High pressure valve headstock gear and its high pressure valve | |
| CN108278378A (en) | A kind of valve seat driving forced seal ball valve | |
| WO2022000933A1 (en) | Automatic-locking hydraulic hoist oil cylinder device and control method therefor | |
| CN106764008B (en) | Bidirectional self-sealing valve | |
| CN107448663B (en) | It is a kind of to close the gentle electronic rotating cylinder vacuum valve of DN400 of quick washing | |
| CN209909221U (en) | Critical ball valve | |
| CN208185525U (en) | A kind of combination valve | |
| CN111425618A (en) | Low-abrasion ball valve | |
| CN111503321A (en) | Multifunctional ball valve | |
| CN104613183A (en) | High-pressure butterfly valve | |
| CN110094567B (en) | Electric three-way plug valve | |
| CN112096902B (en) | Linear motor and swing cylinder collaborative driving type valve core and valve seat separation type friction-free ball valve | |
| CN103438268B (en) | High pressure valve compound start-stop device | |
| CN220435464U (en) | Prevent long-pending material ceramic knife gate valve | |
| CN104006196A (en) | Overcurrent protection mechanism for ball valves | |
| CN113915375B (en) | Electromagnetic valve capable of freely selecting mode | |
| CN202140598U (en) | Pressure-relief lifting type rotary valve | |
| CN108150667B (en) | Track ball valve | |
| CN201377603Y (en) | Plug valve capable of lifting first and then open-close | |
| CN113294583B (en) | Pressure balance type plug valve and driving device thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |