CN109519548A - Hydraulic butterfly valve - Google Patents
Hydraulic butterfly valve Download PDFInfo
- Publication number
- CN109519548A CN109519548A CN201710854639.XA CN201710854639A CN109519548A CN 109519548 A CN109519548 A CN 109519548A CN 201710854639 A CN201710854639 A CN 201710854639A CN 109519548 A CN109519548 A CN 109519548A
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- China
- Prior art keywords
- circumferential groove
- connector
- butterfly valve
- rotating disk
- hydraulic butterfly
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
Abstract
The invention discloses a kind of hydraulic butterfly valves, including rotating disk, the valve support with rotating disk cooperation, and the stroke feedback device being arranged on, stroke feedback device further include: circumferential groove, on rotate the outside of the disc circumferential position, its notch is opened to front, and slot bottom radial dimension is greater than notch radial dimension；The radial dimension that connector is located at one end in slot bottom is greater than the size of notch in the direction, is fixedly connected on circumferential groove so that touching module, and being capable of circumferentially slot sliding adjustment.The stroke feedback device of the structure can be adjusted flexibly according to use environment, use condition, and the adjustment mode is simple, is easily achieved, and will not also destroy the structure of butterfly valve itself.
Description
Technical field
The invention belongs to field of fluid control, specifically, being related to a kind of hydraulic butterfly valve.
Background technique
Hydraulic butterfly valve in the prior art, as shown in Figure 1, including rotating disk 1 ', the valve support with the cooperation of rotating disk 1 '
3 ', stroke feedback device, stroke feedback device include travel switch 22 ' and matched touch module 21 ', rotating disk 1 '
Section structure is as shown in Figure 2.When user carries out position adjustment operation to hydraulic butterfly valve, rotating disk 1 is rotated, and drives thereon
Touch module 21 ' rotated, touch module 21 ' and travel switch 22 ' and cooperate, 22 ' feedback signal of travel switch is to control
System, the operation of coordinated control person.Hydraulic butterfly valve acts the correct of feedback signal and the safety reliably to the operation of entire unit
It has great significance with stability.It touches module and travel switch is fixed by screws in inside the screw hole accomplished fluently
's.When butterfly valve movement, rotating disk is rotated, and the touch module in rotating disk also and then rotates, and when reaching specified position, touches phase
The travel switch answered, to export feedback signal.Feedback signal should be accurately corresponding with butterfly valve actual switch position.But when maintenance
After maintenance, physical location, which changes, waits many reasons for personnel positioning deviation or butterfly valve, often believes feedback device
It is number corresponding with butterfly valve actual switch position not on.Now it is necessary to be adjusted to butterfly valve stroke feedback device position.Due to existing
It touches module and travel switch is fixed by screws in inside the screw hole accomplished fluently.So needing to open again when adjustment
Screw hole, and corresponding old screw hole will be discarded.Sometimes, adjustment position once can not accurately complete, it is also possible to obtain repeatedly
Aperture.This strong influence working efficiency of maintenance personnel.Meanwhile being also greatly reduced hydraulic butterfly valve movement feedback signal
Accuracy and reliability.Thus, it is necessary to be improved to hydraulic butterfly valve feedback device system.Especially to hydraulic butterfly valve
Can more demanding power plant working environment, needed for circulation refrigerated sea water is sent to high-low pressure condenser go it is cold
But turbine low pressure cylinder steam discharge enables steam/water circulating to continue to maintain the vacuum of high-low pressure condenser.In addition, water circulating pump
It will also be to oil cooler, cool-air device, the plurality of devices such as ash-flushing water offer cooling water source.Water circulating pump exports hydraulic butterfly valve and follows
There is close connections for ring water pump, therefore the safety of water circulating pump outlet hydraulic butterfly valve is particularly important to circulation.
The correct and safety and stability that is reliably running to entire unit of hydraulic butterfly valve movement feedback signal has great significance.
In view of this present invention is specifically proposed.
Summary of the invention
The technical problem to be solved in the present invention is that overcoming the deficiencies of the prior art and provide a kind of hydraulic butterfly valve, including rotation
Turntable, the valve support with rotating disk cooperation, and the stroke feedback device being arranged on, the stroke feedback device packet
Include: circumferential groove, positioned at the rotating disk in the disk in outside, slot bottom radial dimension is greater than notch radial dimension；Stroke is opened
It closes, is located on the valve support, for controlling the transmission of feedback signal；Module is touched, is located in the rotating disk, with rotation
Disk rotation, for touching the travel switch；Connector, for realizing the fixed company between the touch module and circumferential groove
It connects, and touch module circumferentially to carry out sliding adjustment by slot.The stroke feedback device of the structure can according to use environment, make
It is adjusted flexibly with condition, the adjustment mode is simple, is easily achieved, and will not also destroy the structure of butterfly valve itself.
In order to solve the above technical problems, the present invention is using the basic conception of technical solution: a kind of hydraulic butterfly valve, including rotation
Turntable, the valve support with rotating disk cooperation, and the stroke feedback device being arranged on, the stroke feedback device
It include: circumferential groove, positioned at the rotating disk in the disk in outside, slot bottom radial dimension is greater than notch radial dimension；Stroke
Switch is located on the valve support, for controlling the transmission of feedback signal；Module is touched, is located in the rotating disk, with rotation
Turntable rotation, for touching the travel switch；Connector, for realizing the fixed company between the touch module and circumferential groove
It connects, and touch module circumferentially to carry out sliding adjustment by slot.
By above-mentioned design, the stroke feedback device of hydraulic butterfly valve can carry out appropriate according to use condition and service condition
Adjustment, and the adjustment will not damage the structure of hydraulic butterfly valve.
The present invention is further arranged to: the stroke feedback device further includes auxiliary member, and the auxiliary member is for assisting institute
The movement and positioning for touching module are stated, auxiliary member is located in the notch, and auxiliary member is equipped with through-hole, can pass through the connection
Part is connected as one with the touch module.
By above-mentioned design, auxiliary member is set to the touch rear side, is located in the notch, so that touching module
Connection between circumferential groove is more stable, prevents that occur between module and circumferential groove need not because the factors such as vibration to touch
The relative displacement wanted.
The present invention is further arranged to: the position of the corresponding circumferential groove in rotating disk rear is equipped with mounting hole, institute
The radial dimension for stating mounting hole is greater than the connector and is located at the size of slot bottom one end in the direction, so that the connector is located at
It slot bottom one end can be out of, the mounting hole is placed in the circumferential groove slot bottom.
By above-mentioned design, so that the assembling of the component of hydraulic butterfly valve is more convenient, it is easier to realize.
Hydraulic butterfly valve in the present invention can also be equipped with the plug cooperated with mounting hole according to the actual situation, after being completed,
Plug is filled in mounting hole, realizes removable seal connection between the two.
The present invention is further arranged to: the connector includes mutually matched two parts；Preferably, the connector is
The screw and nut worked in coordination, the screw are inserted into corresponding eyelet in the touch module from front and run through the slot
Mouthful, the nut out of the mounting hole is built into the circumferential groove slot bottom and with the screw means.
By above-mentioned design, the reasonable installation between component is realized, the mounting structure is easy rationally, easily controllable.
The present invention is further arranged to: the section that the connector is located at one end in the slot bottom is polygon cylinder,
It can be placed in the circumferential groove bottom, and the radial dimension at circumferential groove bottom is greater than the size of polygon cylinder in the direction,
The maximum radial dimension of polygon cylinder itself is greater than the radial dimension at circumferential groove bottom, allows polygon cylinder circumferentially slot
Circumferential movement, but cannot be around itself rotary motion.
By above-mentioned design, so that will not relatively rotate in use between connector and circumferential groove, favorably
In the installation precision for keeping stroke feedback device.
The present invention is further arranged to: the auxiliary member and the touch module are arranged to one.
By above-mentioned design, it so that the structure of hydraulic butterfly valve is more succinct, is easily installed, avoids matching caused by accessory is excessive
Conjunction problem.
The invention also provides a kind of hydraulic butterfly valves, including rotating disk, the valve support with rotating disk cooperation, and
The stroke feedback device being mounted thereon, the stroke feedback device include: circumferential groove, are located at the valve support close to inside
Disk on, slot bottom radial dimension be greater than notch radial dimension；Travel switch is located on the valve support, anti-for controlling
The transmission of feedback signal；Module is touched, is located in the rotating disk, is rotated with rotating disk, for touching the travel switch；Connection
Part, for realizing being fixedly connected between the travel switch and circumferential groove, and travel switch can circumferentially slot be slided
Dynamic adjustment.
By above-mentioned design, the feasible mode of another kind of stroke feedback device moving component is realized, it can be according to using
Situation is adjusted.
The present invention is further arranged to: the stroke feedback device further includes assisted parts, and the assisted parts is for assisting institute
The movement and positioning of travel switch are stated, assisted parts is located in the notch, and assisted parts is equipped with through-hole, can pass through the connection
Part is connected as one with the travel switch；
Preferably, the position of the corresponding circumferential groove in the valve support rear is equipped with mounting hole, the installation aperture
To size be greater than the connector be located at slot bottom one end radial direction size, enable the connector to be located at slot bottom one end
Out of, the mounting hole is built in the circumferential groove slot bottom.
By above-mentioned design, assisted parts is set on rear side of the travel switch, is located in the notch, so that stroke is opened
The connection closed between circumferential groove is more stable, prevents from occurring not between module and circumferential groove because the factors such as vibration to touch
Necessary relative displacement.
The present invention is further arranged to: the connector touches module, auxiliary member, assisted parts for stainless steel material.
By above-mentioned design, so that connector, touch module, auxiliary member, assisted parts have the performances such as antirust, high intensity,
The hydraulic butterfly valve can be suitable for various liquid, oil, gaseous environment.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art.
1, hydraulic butterfly valve is designed with more reasonable stroke feedback device in the present invention, the structure letter of the trip feedback device
List, is easily achieved using flexible, is suitble to the use environment of various hydraulic butterfly valves；
2, the feedback device of hydraulic butterfly valve can realize that any angle adjusts in the present invention, and method of adjustment is easy, is more suitable for
The use condition stringent to travel feedback required precision；
3, the implementation of the adjustment operation of the feedback device of hydraulic butterfly valve will not give the structure of hydraulic butterfly valve completely in the present invention
Complete and service performance has any impact, and is conducive to the realization for keeping hydraulic butterfly valve function, and will not influence hydraulic butterfly valve
Service life.
A specific embodiment of the invention is described in further detail with reference to the accompanying drawing.
Detailed description of the invention
Attached drawing is as a part of the invention, and for providing further understanding of the invention, of the invention is schematic
Examples and descriptions thereof are used to explain the present invention, but does not constitute an undue limitation on the present invention.Obviously, the accompanying drawings in the following description
Only some embodiments to those skilled in the art without creative efforts, can be with
Other accompanying drawings can also be obtained according to these attached drawings.In the accompanying drawings:
Fig. 1 is hydraulic butterfly valve structural schematic diagram in the prior art；
Fig. 2 is hydraulic butterfly valve structural schematic diagram in the prior art；
Fig. 3 is the hydraulic butterfly valve structural schematic diagram in one embodiment of the invention；
Fig. 4 is the hydraulic butterfly valve structural schematic diagram in one embodiment of the invention；
Fig. 5 is the hydraulic butterfly valve structural schematic diagram in one embodiment of the invention；
Fig. 6 is the hydraulic butterfly valve structural schematic diagram in one embodiment of the invention；
Fig. 7 is the hydraulic butterfly valve structural schematic diagram in one embodiment of the invention；
Fig. 8 is the hydraulic butterfly valve structural schematic diagram in one embodiment of the invention；
Fig. 9 is the hydraulic butterfly valve structural schematic diagram in one embodiment of the invention.
In figure: 1, rotating disk；21, module is touched；22, travel switch；3, valve support；4, circumferential groove；41, notch；42,
Slot bottom；5, auxiliary member；61, screw；62, nut；7, mounting hole；A, front is indicated；B, indicate radial.
It should be noted that these attached drawings and verbal description are not intended to the design model limiting the invention in any way
It encloses, but illustrates idea of the invention by referring to specific embodiments for those skilled in the art.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in embodiment is clearly and completely described, the following examples are intended to illustrate the invention, but
It is not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that term " on ", "front", "rear", "left", "right", " is erected at "lower"
Directly ", the orientation or positional relationship of the instructions such as "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment one
As shown in Figure 3, Figure 4, the hydraulic butterfly valve in the present embodiment includes rotating disk 1, the valve support with the cooperation of rotating disk 1
3, and the stroke feedback device being mounted thereon.The trip feedback device includes: on 1 external circumferential position of rotating disk
Circumferential groove 4, notch 41 are opened to front, and 42 radial dimension of slot bottom is greater than 41 radial dimension of notch, so that its section is in inverted T-shaped；
And the travel switch 22 on valve support 3, for controlling the transmission of feedback signal；And the touching in rotating disk 1
Dynamic model block 21 is rotated with rotating disk 1, for touching travel switch 22；And connector, both ends respectively with touch module 21 and
The slot bottom 42 of circumferential groove 4 connects, and the radial dimension that connector is located at one end in slot bottom 42 is less than the ruler of slot bottom 42 in the direction
It is very little, and connector is located at the radial dimension of one end in slot bottom 42 greater than the size of notch 41 in the direction, so that touching mould
The sliding of block 21 is fixed on circumferential groove 4, and being capable of the circumferentially movement of slot 4.The hydraulic butterfly valve of the structure is to stroke feedback device
When being adjusted, connector need to only be unclamped, enable and touch the circumferentially sliding of slot 4 of module 21, when sliding into appropriate location,
Connector is fixed again, module 21 will be touched and be rigidly mounted on the certain position of rotating disk 1, then the hydraulic butterfly valve
It can carry out normal use.When use condition requires further to adjust stroke feedback device, aforesaid operations are repeated
?.As it can be seen that hydraulic butterfly valve its stroke feedback device structure in the present embodiment is simple, using flexible, is easily achieved, it is suitble to each
The use environment of kind hydraulic butterfly valve；And can be realized any angle adjustment, and method of adjustment is easy, it is more suitable for travel feedback essence
Degree requires stringent use condition.
Embodiment two
As shown in Figure 5, Figure 6, the present embodiment is with the difference of above-described embodiment: the corresponding circumferential groove 4 in 1 rear of rotating disk
Position be equipped with mounting hole 7, the radial dimension of mounting hole 7 is greater than connector and is located at the size of slot bottom one end in the direction so that
Connector, which is located at slot bottom one end, to be placed in circumferential groove bottom 42 from mounting hole 7.And the connector in the present embodiment is phase interworking
The screw 61 and nut 62 of conjunction, screw 61 is inserted into from front to be touched corresponding eyelet in module 21 and runs through notch 41, nut 62
It is built into the slot bottom 42 of circumferential groove 4 from mounting hole 7 and is screwed with screw 61.
The quantity of mounting hole 7 in the present embodiment can be one, be also possible to multiple.The case where only mounting hole
Under, all connectors are both needed to be installed from there, are being moved to predeterminated position.When the quantity of mounting hole is multiple, then more
Be conducive to the agility of installation operation.The quantity of specific mounting hole and arrangement mode are according to the size and use environment of hydraulic butterfly valve
It can flexible setting.Alternatively, can also suitably increase the quantity of mounting hole in the use process of hydraulic butterfly valve, it at this time only need to be default
Punching appropriate on position.Technical solution in the present embodiment is additionally provided with the plug with mounting hole cooperation, after being completed,
Plug is filled in mounting hole, realizes removable seal connection between the two.
Embodiment three
As shown in Figure 7, Figure 8, the difference of the present embodiment and above-described embodiment is: stroke feedback device further includes auxiliary member
5, auxiliary member 5 is used for the movement and positioning for assisting touching module 21, is set to and touches 21 rear side of module, is located in notch 41,
Its along rotating disk 1 it is radial be dimensioned slightly smaller than or size equal to notch 41 in the direction, which is provided with through-hole, can pass through
Connector is connected as one with module 21 is touched.The auxiliary member can be avoided screw 61 and occur to incline relative to axial in notch
Tiltedly, it shakes, and then avoids influencing the sensitivity of stroke feedback device.Moreover, when being adjusted to stroke feedback device, auxiliary
Part can also reduce, even avoid friction between other component and notch, be more advantageous to the dimensional accuracy and structure of holding member
Precision.Especially in the case where controlling the higher use environment of accuracy requirement, the addition of auxiliary member is very necessary.
Example IV
As shown in figure 9, the difference of the present embodiment and above-described embodiment is: the auxiliary member 5 in the present embodiment is arranged to
In lead to, and section is inverted T shaped structure so that the lesser one end of 5 radial dimension of auxiliary member can be inserted in notch, size compared with
Big one end is stuck in slot bottom.The purpose of design of the structure further avoids nut etc. between functional components and circumferential groove
Contact, the structure for being on the one hand conducive to circumferential groove are kept, and are avoided because of the adjustment to stroke feedback device so that the knot of circumferential groove
Structure size changes, and on the other hand can also further strengthen to screw 61 in axial fixation, make it only in hydraulic butterfly valve
Front-rear direction stress has also ensured the installation accuracy of stroke feedback device while ensureing its dimensional accuracy.Under the structure
Auxiliary member 5 can be placed in by mounting hole from the rear side of rotating disk.
Embodiment five
The difference of the present embodiment and above-described embodiment is: auxiliary member and touch module in the present embodiment are arranged to one
Body.Although the touch modular structure of structure touch module slightly complicated more in the prior art, it is between rotating disk
Cooperate the beneficial effect with more practicability.On the one hand the integraty for increasing apparatus structure, is on the other hand also convenient for dismantling
And installation.
And the connector in the present embodiment is screw, nut, it is polygon cylinder that nut, which is located at the section in slot bottom,
It can be placed in circumferential groove bottom, and the radial dimension at circumferential groove bottom is greater than the size of polygon cylinder in the direction, polygon
The maximum radial dimension of cylinder itself be greater than circumferential groove bottom radial dimension, allow polygon cylinder circumferentially slot circumferentially transport
It is dynamic, but cannot be around itself rotary motion.Herein, the radial dimension of polygon cylinder circumscribed circle be polygon cylinder itself most
Big radial dimension is different from the radial direction marked in figure.The structure makes, and nut is adjusted anyway, also phase always
Circumferential groove is kept at an angle, axial direction of the nut in circumferential groove around itself is avoided to be rotated, and then generating need not
Friction, stress or even the nut loosening wanted cause the hidden danger for reducing installation accuracy.
Embodiment six
The difference of the present embodiment and above-described embodiment is: hydraulic butterfly valve, cooperates including rotating disk, with the rotating disk
Valve support, and the stroke feedback device being mounted thereon, the stroke feedback device include:
The circumferential groove on valve support inner circumferential position, notch are opened to front, and slot bottom radial dimension is big
In notch radial dimension, so that its section is in inverted T-shaped；And the travel switch on the valve support, it is anti-for controlling
The transmission of feedback signal；And the touch module in the rotating disk, it rotates with rotating disk, is opened for touching the stroke
It closes；And connector, both ends are connect with the slot bottom of the travel switch and the circumferential groove respectively, the connector is located at institute
The radial dimension for stating one end in slot bottom is less than the size of the slot bottom in the direction, and the connector is located at the slot bottom
The radial dimension of interior one end is greater than the size of the notch in the direction, so that travel switch sliding is fixedly connected on institute
It states on circumferential groove, and being capable of circumferentially slot sliding adjustment.As it can be seen that the component of the stroke feedback device in the present embodiment is relative to upper
The installation settings position stated in several embodiments is exactly the opposite.The design mainly considers hydraulic butterfly valve self structure condition, certain
In the case of, rotating disk size is smaller, is not easy to that circumferential groove is arranged on it, then the slightly complicated part of structure is set to butterfly valve
The such size of bracket is larger, and the implementation of technical solution is more advantageous on the metastable component of structure.
The material of connector, touch module, auxiliary member, assisted parts in the various embodiments described above is preferably stainless steel.
The hydraulic butterfly valve that the present invention introduces includes rotating disk, the valve support with rotating disk cooperation, and is mounted thereon
Stroke feedback device, stroke feedback device further include: circumferential groove, be located at rotate the outside of the disc circumferential position on, notch is opened to
Front, slot bottom radial dimension are greater than notch radial dimension, so that its section is in inverted T-shaped；Connector is located at one end in slot bottom
Radial dimension is greater than the size of notch in the direction, is fixedly connected on circumferential groove so that touching module, and being capable of circumferentially slot
Sliding adjustment.The stroke feedback device of the structure can be adjusted flexibly according to use environment, use condition, adjustment mode letter
List is easily achieved, and will not also destroy the structure of butterfly valve itself；Its method of adjustment is easy, is more suitable for travel feedback required precision
Stringent use condition；And the implementation of the adjustment operation of the feedback device of hydraulic butterfly valve will not give hydraulic butterfly valve completely in the present invention
Structural integrity and service performance have any impact, be conducive to the realization for keeping hydraulic butterfly valve function, and will not influence liquid
Control the service life of butterfly valve.
The above is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this patent
Member without departing from the scope of the present invention, when the technology contents using above-mentioned prompt make it is a little change or be modified to
The equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, it is right according to the technical essence of the invention
Any simple modification, equivalent change and modification made by above embodiments, in the range of still falling within the present invention program.
Claims (10)
1. a kind of hydraulic butterfly valve, including rotating disk, the valve support with rotating disk cooperation, and the stroke being arranged on
Feedback device, which is characterized in that the stroke feedback device includes:
Circumferential groove, positioned at the rotating disk in the disk in outside, slot bottom radial dimension is greater than notch radial dimension；
Travel switch is located on the valve support, for controlling the transmission of feedback signal；
Module is touched, is located in the rotating disk, is rotated with rotating disk, for touching the travel switch；
Connector, for realizing being fixedly connected between the touch module and circumferential groove, and touching module can be circumferentially
Slot carries out sliding adjustment.
2. hydraulic butterfly valve according to claim 1, which is characterized in that the stroke feedback device further includes auxiliary member, institute
Auxiliary member is stated for assisting the movement and positioning for touching module, auxiliary member is located in the notch, and auxiliary member is equipped with logical
Hole can be connected as one by the connector and the touch module.
3. hydraulic butterfly valve according to claim 2, which is characterized in that the auxiliary member is arranged to the touch module
One.
4. hydraulic butterfly valve according to claim 1, which is characterized in that the corresponding circumferential groove in rotating disk rear
Position is equipped with mounting hole, and the radial dimension of the mounting hole is greater than the connector and is located at the size of slot bottom one end in the direction,
The connector is enabled to be located at slot bottom one end out of, the mounting hole is placed in the circumferential groove slot bottom.
5. hydraulic butterfly valve according to claim 4, which is characterized in that the connector includes mutually matched two parts；
Preferably, the connector is the screw and nut worked in coordination, and the screw is inserted into the touch module from front
Corresponding eyelet simultaneously runs through the notch, the nut out of the mounting hole is built into the circumferential groove slot bottom and with it is described
Screw means.
6. hydraulic butterfly valve according to claim 1, which is characterized in that the connector is located at one end in the slot bottom
Section is polygon cylinder, can be placed in the circumferential groove bottom, and the radial dimension at circumferential groove bottom is greater than polygon column
The size of body in the direction, the maximum radial dimension of polygon cylinder itself is greater than the radial dimension at circumferential groove bottom, so that polygon
Shape cylinder can circumferentially slot circumferential movement, but cannot be around itself rotary motion.
7. a kind of hydraulic butterfly valve, including rotating disk, the valve support with rotating disk cooperation, and the stroke being mounted thereon
Feedback device, which is characterized in that the stroke feedback device includes:
Circumferential groove, positioned at the valve support in the disk of inside, slot bottom radial dimension is greater than notch radial dimension；
Travel switch is located on the valve support, for controlling the transmission of feedback signal；
Module is touched, is located in the rotating disk, is rotated with rotating disk, for touching the travel switch；
Connector, for realizing being fixedly connected between the travel switch and circumferential groove, and travel switch can be circumferentially
Slot carries out sliding adjustment.
8. hydraulic butterfly valve according to claim 7, which is characterized in that the stroke feedback device further includes assisted parts, institute
Assisted parts is stated for assisting the movement and positioning of the travel switch, assisted parts is located in the notch, and assisted parts is equipped with logical
Hole can be connected as one by the connector and the travel switch.
9. hydraulic butterfly valve according to claim 8, which is characterized in that the corresponding circumferential groove in valve support rear
Position be equipped with mounting hole, the size of mounting hole radial direction is greater than the size that the connector is located at the radial direction of slot bottom one end,
The connector is enabled to be located at slot bottom one end out of, the mounting hole is built in the circumferential groove slot bottom.
10. -9 described in any item hydraulic butterfly valves according to claim 1, which is characterized in that the connector touches module, is auxiliary
Assistant piece, assisted parts are stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710854639.XA CN109519548B (en) | 2017-09-20 | 2017-09-20 | Hydraulic control butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710854639.XA CN109519548B (en) | 2017-09-20 | 2017-09-20 | Hydraulic control butterfly valve |
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| Publication Number | Publication Date |
|---|---|
| CN109519548A true CN109519548A (en) | 2019-03-26 |
| CN109519548B CN109519548B (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710854639.XA Active CN109519548B (en) | 2017-09-20 | 2017-09-20 | Hydraulic control butterfly valve |
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| CN1323676A (en) * | 2000-05-16 | 2001-11-28 | 有限会社志田制作所 | Means for clamping work-pieces, and claw therefor |
| CN101021461A (en) * | 2007-03-14 | 2007-08-22 | 西南交通大学 | Small load impact wear testing machine |
| CN203670970U (en) * | 2014-01-09 | 2014-06-25 | 中国神华能源股份有限公司 | Butterfly valve travel switch device and hydraulic control butterfly valve |
| CN205927922U (en) * | 2016-07-01 | 2017-02-08 | 天津众达精密机械有限公司 | Adjustable quick hold -down device |
| CN206114304U (en) * | 2016-09-29 | 2017-04-19 | 东风汽车有限公司 | Universal jig for fixing torsional rigidity experiment vehicle body |
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