CN107781424A - Valving - Google Patents
Valving Download PDFInfo
- Publication number
- CN107781424A CN107781424A CN201610773353.4A CN201610773353A CN107781424A CN 107781424 A CN107781424 A CN 107781424A CN 201610773353 A CN201610773353 A CN 201610773353A CN 107781424 A CN107781424 A CN 107781424A
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- China
- Prior art keywords
- valve
- valve port
- valving
- port
- wall
- 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
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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
- 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
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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
- 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
- F16K1/32—Details
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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
- 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
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
A kind of valving, including：Valve body, valve port is provided with the wall of the valve body；Valve plate, in the valve body, the valve plate surface is parallel with wall where the valve port, for opening or closing the valve port；Protection plate structure, there is the through hole through the protection plate structure in the valve body, in the protection plate structure；Transmission parts, the transmission parts are connected with the valve plate and protection plate structure, for driving the valve plate to be moved along the direction parallel to wall where the valve port, so that the valve plate closes the valve port or opens the valve port；The transmission parts are additionally operable to drive the protection plate structure to move along the direction parallel to wall where the valve port, so that the through hole is connected with the valve port when valve port is in opening.The present invention reduces the high temperature heat radiation in valve interior wall unit area, avoids dust or particle from being accumulated in the valve interior wall, postpones the service life and maintenance period of valving.
Description
Technical field
The present invention relates to valve technology field, more particularly to a kind of valving.
Background technology
Valving is the control unit in pipeline fluid induction system, can be used for changing path section and media flow
Direction, there is the functions such as water conservancy diversion, cut-off, throttling, non-return, shunting or overflow pressure relief.
Under the conditions of high temperature corrosion (acid or alkalescence etc.), material, all kinds of physical properties of seal, mechanical performance are all
It can have greatly changed, cause high temperature corrosion-resisting valving to be filled in structure and setting and material selection with Subzero valve
Putting has very big difference.In order to ensure the normal operating of the high rotten operating mode lower valve door gear of high temperature and good casing rigidity,
The performances such as sealing, it is ensured that commercial plant can safely and reliably be run under the conditions of relevant work, in design high temperature corrosion-resisting valve
During door gear, it is necessary to take into full account that mechanical property of materials change is to valve mechanism and performance caused by the high rotten operating mode of high temperature
Caused by influence.
However, the service life of valving is shorter in the prior art, particularly high temperature high rotten operating mode lower valve door gear
Service life is short, and valving maintenance period is short thus the maintenance cost of valving is high.
The content of the invention
It is of the invention to solve the problems, such as to be to provide a kind of valving, extend the service life and maintenance period of valve.
To solve the above problems, the present invention provides a kind of valving, including：Valve body, set on the wall of the valve body
There is valve port；Valve plate, in the valve body, the valve plate surface is parallel with wall where the valve port, for playing on or off
Close the valve port；Protection plate structure, in the valve body, have in the protection plate structure through the protection plate structure
Through hole；Transmission parts, the transmission parts are connected with the valve plate and protection plate structure, for driving the valve plate along parallel
The direction movement of wall where the valve port, so that the valve plate closes the valve port or opens the valve port；The biography
Dynamic component is additionally operable to drive the protection plate structure to move along the direction parallel to wall where the valve port, so that the valve port
The through hole is connected with the valve port during in opening.
Optionally, where parallel to the valve port on wall direction, the transmission parts drive simultaneously the valve plate with
And the protection plate structure movement.
Optionally, where parallel to the valve port on wall direction, the transmission parts drive the valve plate movement
Direction is consistent with driving the direction of the protection plate structure movement.
Optionally, during the valve plate closes the valve port, the transmission parts drive the valve plate along flat
The direction that row wall side where the valve port moves up is X positive directions；Between the protection plate structure and the valve plate
Position relationship is：The direction that the valve plate points to the protection plate structure is consistent with the X positive directions.
Optionally, the protection plate structure has two relative ends；The end and wall phase where the valve port
Contact, or, there is hole between wall where the end and the valve port.
Optionally, where parallel to the valve port on wall direction, the size of the through hole is more than the chi of the valve port
It is very little.
Optionally, the protection plate structure surrounds the valve port in the projection where the valve port on wall.
Optionally, where parallel to the valve port on wall, the section shape of the valve port is circular, regular polygon
Or irregular polygon；Where parallel to the valve port on wall, the section shape of the through hole is circular, regular polygon
Shape or irregular polygon.
Optionally, the quantity of the valve port is two, and described two valve ports are set relative to the axisymmetrical of the valve body
Put；The quantity of the valve plate is two.
Optionally, the transmission parts are additionally operable to drive the valve plate to move along perpendicular to the direction of wall where the valve port
It is dynamic, so that the valve plate surface abuts against with the valve port peripheral wall surface, or, so that the valve plate surface and the valve port institute
There is gap between wall.
Optionally, the transmission parts include：Screw mandrel, it is arranged at along the axis of the valve body in the valve body；Swivel nut, institute
Swivel nut is stated to be socketed on the screw mandrel, and suitable for being moved along the axis of the valve body；First hound, first hound
Both ends are hingedly connected on the swivel nut and the valve plate, and on the axis along the valve body and the direction moved to valve port,
First hound is tilted from the one end for connecting the swivel nut to the one end for connecting the valve plate；Limited block, the limited block
Be arranged in the valve body, on the valve axis with the valve plate is spacing contacts, and make the valve plate and the valve
Mouth peripheral wall surface abuts against；Second hound, the both ends of second hound are hingedly connected to the swivel nut and the protection
In harden structure, and on the axis along the valve body and the direction moved to valve port, second hound is by connecting the spiral shell
One end of set tilts to the one end for connecting the protection plate structure.
Optionally, the transmission parts also include：The motor for driving the screw mandrel to rotate.
Optionally, the transmission parts include：Push rod, it is arranged in the valve body, and is suitable to along the axis of the valve body
Moved along the axis of the valve body；First hound, the both ends of first hound are hingedly connected to the push rod and described
On valve plate, and on the axis along the valve body and the direction moved to valve port, first hound is by connecting the push rod
One end tilted to the one end for connecting the valve plate；Limited block, the limited block are arranged in the valve body, in the valve
On body axis with the valve plate is spacing contacts, and the valve plate is abutted against with the valve port peripheral wall surface；Second hound, institute
The both ends for stating the second hound are hingedly connected on the push rod and the protection plate structure, and in the axis along the valve body simultaneously
On the direction moved to valve port, second hound is from connecting one end of the push rod to connecting the one of the protection plate structure
End tilts.
Optionally, the transmission parts also include：Drive the telescoping cylinder of the push rod movement, the telescopic end of the telescoping cylinder
It is connected with the push rod.
Optionally, the material of the valve body is metal material；The material of the valve plate is metal material；The protection is hardened
The material of structure is metal material；The material of the transmission parts is metal material.
Optionally, the valving also includes：Sealing ring notch, the sealing ring notch be arranged on the valve plate or
Described in person in valve port peripheral wall surface, for embedded sealing ring.
Optionally, the valving also includes：Circulating cooling water pipe, the circulating cooling water pipe are arranged on the valve body
It is interior, and close to the sealing ring notch.
Compared with prior art, technical scheme has advantages below：
In the technical scheme of valving provided by the invention, protection plate structure is provided with valve body, the protection is hardened
There is the through hole through the protection plate structure in structure；When the valve port of the valving is in opening, the protection
Harden structure is moved at the valve port position, and the through hole is connected with the valve port so that the through hole and valve port
Side wall as circulation passage, therefore the through hole can stop the medium for flowing through the circulation passage, prevent the medium flow field
Enter in valve body, ensure that most or all media are flowed into through hole via a valve port and flowed via another valve port out of through hole
Go out.Therefore it is of the invention directly to reduce the high temperature heat radiation born in valving internal unit area, reduce valve interior wall and corruption
The direct contact of environment is lost, the materials such as dust, particle is decreased and is accumulated in valve body, so as to avoid that valve plate travel track is made
Into harmful effect, phenomena such as preventing stuck valve plate or gas leakage.Therefore, the present invention extends the service life of valving,
Maintenance period is extended, so as to reduce maintenance cost, improves production efficiency.
In alternative, the transmission parts are additionally operable to drive the valve plate along perpendicular to the side of wall where the valve port
To movement, so that the valve plate surface abuts against with the valve port peripheral wall surface, or, so that the valve plate surface and the valve
There is gap between wall where mouthful.Therefore, during valve port is opened or during close port, the valve plate with
There is gap between wall where the valve port, the friction between valve plate and valve interior wall is avoided, so as to greatly reducing
Valve plate wears and valve interior wall abrasion, improves the sealing property of valving, and also further improve valve and use the longevity
Life.
Brief description of the drawings
Fig. 1 is the overlooking the structure diagram when valving that the present embodiment provides is closed；
Fig. 2 is the cross-sectional view when valving that the present embodiment provides is closed；
Fig. 3 is the overlooking the structure diagram when valving that the present embodiment provides is in opening；
Fig. 4 is the cross-sectional view when valving that the present embodiment provides is in opening.
Embodiment
From background technology, the service life of valving is short in the prior art.
In the valving that prior art provides, the high temperature heat radiation born in valve inner unit area is high, and valve body
Inside is easy to corrosive environment and directly contacted；The material such as dust, particle can also be accumulated in valve body simultaneously, so as to the traveling to valve plate
Track impacts so that the probability that the metal material of valve plate is converted into intercrystalline fracture from transgranular fracture is high, causes to move valve plate
It is affected with opening valve port or close port.
Therefore, existing valving service life is short, and the maintenance cycle of valving is short, particularly at valving
When under the high rotten work condition environment of high temperature, the high rotten work condition environment damage problem to caused by valving of the high temperature is especially pronounced.
The main reason for through analyzing, causing above mentioned problem, includes：When the valve port is in opening, the valve port with
And the circulation passage that the valve body region between different valve ports is medium, the medium enter the valve body area via a valve port
Flowed out in domain, via another valve port.When the medium enters in the valve body region, the medium in the valve body region
In addition to another valve port is flowed to, other regions of valve body can be also flowed to, medium and the valve inner for flowing to other regions of valve body are direct
Contact, and the high temperature heat radiation born in valve inner unit area is high；In addition, the medium in other regions of valve body is flowed in gravity
Dropped under effect and be attached to the valve inner, so as to cause occur dust or PROBLEM OF PARTICLE PACKING on valve inner.
To solve the above problems, the present invention provides a kind of valving, valve body is interior in addition to valve plate, also with protective plate
Structure, when the valve port is in opening, the through hole that the protection plate structure is located at is connected with the valve port, so that
It is circulation medium to obtain valve port and through hole.Therefore, the medium flowed into via a valve port will be limited in the through hole, Ran Houjing
Flowed out by another valve port, the through-hole side wall stops that the medium flows to other regions of valve body, so as to reduce inside valving
The high temperature heat radiation born in unit area, avoid dust or particle from being accumulated in the valve interior wall, and then improve valving
Service life.
It is understandable to enable the above objects, features and advantages of the present invention to become apparent, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.
Fig. 1 is the top view when valve port of valving provided in an embodiment of the present invention is closed, and Fig. 2 is this hair
The sectional view when valve port for the valving that bright embodiment provides is closed；Fig. 3 is valve provided in an embodiment of the present invention
The valve port of door gear is in top view during opening；Fig. 4 is that the valve port of valving provided in an embodiment of the present invention is in
Sectional view during opening.
Include with reference to referring to figs. 1 to Fig. 4, the valving：
Valve body 10, valve port 11 is provided with the wall of the valve body 10；
Valve plate 20, in the valve body 10, the surface of valve plate 20 is parallel with the place wall of valve port 11, is used for
Open or close the valve port 11；
Protection plate structure 30, have in the valve body 10, in the protection plate structure 30 hardened through the protection
The through hole 31 of structure 30；
Transmission parts 40, the transmission parts 40 are connected with the valve plate 20 and protection plate structure 30, for driving
Valve plate 20 is stated to move along the direction parallel to the place wall of valve port 11 so that the valve plate 20 close the valve port 11 or
Open the valve port 11；The transmission parts 40 are additionally operable to drive the protection plate structure 30 along parallel to the place wall of valve port 11
Direction movement, during so that the valve port 11 being in opening, the through hole 31 is connected with the valve port 11.
The valving provided below with reference to accompanying drawing the present embodiment is described in detail.
Valve port 11 on the wall of valve body 10 is used to be connected with the pipeline of equipment.In the present embodiment, the valve body 10
Material be metal material, for example, the heat dispersion highly corrosion resistant such as titanium-base alloy, high temperature aluminium alloys material.
In the present embodiment, so that on parallel to the place wall of valve port 11, the valve port 11 is shaped as section circle
As example.In other embodiments, the section shape of the valve port can also be triangle, regular polygon or irregular shape
Shape, the regular polygon can be square, hexagon or octagon.
In the present embodiment, the quantity of the valve port 11 is two, and two valve ports 11 are relative to the axis of the valve body 11
It is symmetrical arranged, that is to say, that the valve port 11 is located on two relative walls of the valve body 10, each valve port 11 and equipment
Pipeline communication；Accordingly, the quantity of the valve plate 20 is also two, so that each valve port 11 can be opened or close
Close.
It should be noted that when the quantity of the valve port is two, can also be according to the position of the pipeline of equipment to institute
The position for stating valve port is adjusted, and the position of described two valve ports asymmetric can be set, accordingly to the position of the valve plate
It is adjusted.In addition, the quantity of the valve port can also be the random natural number more than 2, for example, three, four or six
Deng the quantity of the quantity setting valve port of the pipeline of the equipment connected according to valve.
The valve plate 20 is arranged in the valve body 10, and the valve plate 20 face of damming is put down with the place wall of valve port 11
OK, wherein, the valve plate 20 dam face refer to when the valve port 11 is closed with the peripheral wall surface of valve port 11
The face of the valve plate 20 abutted against.In the present embodiment, the place wall of valve port 11 is parallel with the axis of the valve body 10, described
Axis is parallel with the X-direction in diagram.
In the present embodiment, the material of the valve plate 20 is metal material, and for example, titanium-base alloy, high temperature aluminium alloys etc. radiate
The material of performance highly corrosion resistant.
In the present embodiment, in order to save space, the shape of the valve plate 20 and the shape of the valve port 11 match, described
Valve port 11 is shaped as circle, and the shape of the corresponding valve plate 20 is also circle.It should be noted that in other embodiment
In, the shape of the valve plate can also be triangle, regular polygon or irregular shape, and the regular polygon can be four
Side shape, hexagon or octagon.
The transmission parts 40 are located in the valve body 10, and can drive the valve plate 20 along perpendicular to the valve port 11
The direction movement of place wall, that is, drive the valve plate 20 to be moved along the axis direction parallel to valve body 10, so that described
Valve plate 20 is moved to the close valve port 11 or moved away from the valve port 11.In the present embodiment, due to being gone back in the valve body 10
With protection plate structure 30, the transmission parts 40 drive the valve plate 20 to be moved along X positive directions so that valve plate 20 is close to described
Valve port 11；The transmission parts 40 drive the valve plate 20 to be moved along X negative directions so that the valve plate 20 is away from the valve port 11.
In the present embodiment, the transmission parts 40 also drive the valve plate 20 along perpendicular to the place wall of valve port 11
Direction is moved, so that the valve plate 20 is close to the inwall of valve body 10 or away from the inwall of valve body 10.Accordingly, so that
The surface of valve plate 20 abuts against with the peripheral wall surface of valve port 11, or, so that the surface of the valve plate 20 and the valve port 11
There is gap between the wall of place.
Before the transmission parts 40 drive the valve plate 20 to be moved to the position of valve port 11, the valve plate 20 and institute
Stating between the inwall of valve body 10 has gap；When transmission parts 40 drive the valve plate 20 to be moved along parallel to the axis direction of valve body 11
To the position of valve port 11, the transmission parts 40 drive the valve plate 20 along perpendicular to the axis of valve body 10 to close to valve
The movement of 11 directions of mouth, so that valve plate 20 blocks the valve port 11, the surface of valve plate 20 and the inwall phase of valve body 10
Abut, the valve port 11 is closed.
When that need to open the valve port 11, the transmission parts 40 drive the valve plate 20 along perpendicular to the axle of valve body 10
Line moves to away from the direction of valve port 11 so that valve plate 20 departs from the valve port 11, therefore the surface of the valve plate 20 with it is described
There is gap between the inwall of valve body 11；Then, the transmission parts 40 drive the valve plate 20 along parallel to the axle of valve body 10
Move in line direction so that the valve plate 20 moves to away from the direction of valve port 11, so that the valve port 11 is in opening state
State.
In the present embodiment, because transmission parts 40 can also drive the valve plate 20 along perpendicular to the place wall of valve port 11
The direction movement in face, therefore in the opening process of valve port 11 or closing process, in the valve plate 20 and the valve body 11
There is gap between wall, avoid the valve plate along the place wall direction moving process of valve port 11 with the valve body 10 in
Wall directly contacts；Closure is abutted with valve port 11 in close port 11 by valve plate 20 so that valve plate 20 closes valve port 11；It is logical
Cross valve plate 20 to be separated with valve port 11 when opening valve port 11 so that valve plate 20 opens valve port 11.Therefore, the present embodiment is notable
The degree of wear for reducing valve plate 20, improve the service life of valve plate 20, and also improve the sealing property of valve port 11.
It should be noted that in other embodiments, in the case where not considering the valve plate degree of wear, the transmission
Part drives valve plate movement to make during the valve port is in opening or closed mode, the transmission parts only band
The dynamic valve plate moves along parallel to wall direction where the valve port；When the transmission parts move the valve plate to valve port institute
In opening position, the valve plate directly blocks the valve port, is closed the valve port；When transmission parts edge is flat
Row is where the valve port wall on direction, when the mobile valve plate is to away from the valve port position, the valve plate directly from
Removed at the valve port position, the valve port is in opening.
The protection plate structure 30 is located in the valve body 10, has in the protection plate structure 30 and runs through the protective plate
The through hole 31 of structure 30.In order to save space, on parallel to the place wall direction of valve port 11, the shape of the through hole 31
Match with the shape of the valve port 11.In the present embodiment, on parallel to the place wall direction of valve port 11, the through hole
31 section shape is circle.In other embodiments, where parallel to the valve port on wall direction, the through hole cuts open
Face shape can also be triangle, regular polygon or irregular shape.
The transmission parts 40 also drive the protection plate structure 30 to be moved along the place wall direction of valve port 11 so that
The protection plate structure 30 moves to close to the mobile or remote direction of valve port 11 in the direction of valve port 11.
Specifically, in the present embodiment, in order to save space and operation duration, the transmission parts 40 are driving the valve
Plate 20 parallel to the place wall side of valve port 11 along during moving up, the synchronous drive edge of protection plate structure 30
Moved up parallel to the place wall side of valve port 11.On parallel to the place wall direction of valve port 11, the transmission
Part 40 drives the valve plate 20 and the protection plate structure 30 to move simultaneously, and the transmission parts 40 drive the valve plate
The direction of 20 movements is consistent with driving the direction that the protection plate structure 30 moves.That is, the transmission parts 40 drive
The valve plate 20 and protection plate structure 30 are along the positive negative direction synchronizing movings of X.
When the transmission parts 40 drive the valve plate 20 movement to be closed the valve port 11, the protective plate
Structure 30 is located at the side of valve plate 20.The valve plate 20 is driven to move in the transmission parts 40 to open the valve port 11
During, the synchronous drive protection plate structure 30 of the transmission parts 40 moves, therefore when the valve plate 20 is to away from valve
The protection plate structure 30 moves to close to the direction of valve port 11 during the movement of 11 directions of mouth.
When the valve port 11 is in opening, the transmission parts 40 drive the protection plate structure 30 to be moved to institute
State the opening position of valve port 11 so that the through hole 31 is connected with the valve port 11, valve port 11 and is connected with the valve port 11
Through hole 31 be circulation passage.
On parallel to the place wall direction of valve port 11, the size of the through hole 31 is more than the chi of the valve port 11
It is very little；Projection of the valve port 11 on the wall of valve body 10 is located at projection of the through hole 31 on the wall of valve body 10
It is interior.It can also be expected that the valve port 11 is surrounded in projection of the protection plate structure 30 on the place wall of valve port 11, because
This, the side wall (side wall of i.e. described protection plate structure 30) of the through hole 31 surrounds the periphery of the valve port 11 so that described logical
The side wall in hole 31 is between described two place walls of valve port 11.
When the valve port 11 is in opening, medium is flowed through in the circulation passage, and the side wall of the through hole 31 can
To stop that the medium flows into valve body 10 so that most or all media flow to separately via a valve port 11, through hole 31
One valve port 11, and then flow into the equipment pipe being connected with another valve port 11.
Protection plate structure 30 in the valving that the present embodiment provides can play a part of protecting the inwall of valve body 10, subtract
The small medium being in contact with valve body 10, so as to directly reduce the high temperature heat radiation born in valving internal unit area, subtract
Few inwall of valve body 10 directly contacts with corrosive environment, reduces the materials such as dust or the particle of the accumulation of the inwall of valve body 10, so as to
The influence of the dust or particle of accumulation to the travel track of valve plate 20 is avoided, prevents dust or particle from being accumulated in the traveling track of valve plate 20
And valving is set phenomena such as stuck or gas leakage occur.Therefore the present invention extends the service life of valving, extends and safeguards
In the cycle, maintenance cost is reduced, improve production efficiency.
In the present embodiment, when the valve port 11 is in opening, central axis and the through hole of the valve port 11
31 central axis overlaps.
The protection plate structure 30 has two relative ends, and per one end respectively close to the place wall of valve port 11.
In the present embodiment, there is hole between the end of the protection plate structure 30 and the place wall of the valve port 11, so that institute
Stating end described in the moving process of protection plate structure 30 will not directly contact with the wall of valve body 10, avoid to the valve body 10
Avoid causing to wear or the protection plate structure 30 is caused to wear.
It should be noted that in order to avoid flowing through the medium of the circulation passage from the end and the place of valve port 11
Hole between wall is flowed into valve body 10, and the size of the hole is unsuitable excessive.
It should also be noted that, in other embodiments, the end of the protection plate structure can also be with the valve port institute
It is in contact in wall, avoids that there is hole between the protection plate structure and avoiding where the valve port, so as to further
The medium for preventing to flow through circulation passage is flowed in valve body.
In the present embodiment, transmission parts 40 and drive the protection plate structure 30 to move that the valve plate 20 moves are driven
Transmission parts 40 be the same part.
It should be noted that in other embodiments, when the valve plate and the protection plate structure can be with asynchronous shiftings
Dynamic, then the part for driving the transmission parts of the valve plate movement and driving the protection plate structure to move can also be different
Part.
The transmission parts 40 drive the valve plate 20 to move, when being closed the valve port 11, the protection
Harden structure 30 is located at the side of valve plate 20.In order to avoid when the valve port 11 is in opening at the transmission parts 40
In circulation passage, prevent transmission parts 40 from sustaining damage, answer valve plate 20 described in reasonable arrangement and the protection plate structure 30 it
Between position.
Therefore, in the present embodiment, when the valve port 11 is in opening, it is hardened that the valve plate 20 points to the protection
The direction of structure 30 is consistent with the X positive directions；When the valve port 12 is closed, the valve plate 20 points to the protection
The direction of plate 30 is consistent with the X positive directions.It can also be expected that during the valve plate 20 closes the valve port 11, institute
State transmission parts 40 and drive the valve plate 20 square for X along the direction moved up parallel to the place wall side of valve port 11
To；Position relationship between the protection plate structure 30 and the valve plate 20 is：The valve plate 20 points to the protection plate structure
30 direction is consistent with the X positive directions.
In the valving that the present embodiment provides, the transmission parts 40 are located at the left side of the valve plate 20, described anti-
Guard board structure 30 is located at the right side of the valve plate 20.
In order to save space, the shape of the through hole 31 and the shape of the valve port 11 match, and also with it is described two
The position of valve port 11 is corresponding.In the present embodiment, the valve port 11 is set relative to the axisymmetrical of the valve body 10, and flat
For row on the place wall direction of valve port 11, the valve port 11 is shaped as circle；Accordingly, perpendicular to the valve port 11
On the wall direction of place, the section shape of the through hole 31 is square, on parallel to the place wall direction of valve port 11, institute
The section shape for stating through hole 31 is circle.
The material of the protection plate structure 30 is metal material, such as the heat dispersion such as titanium-base alloy or high temperature aluminium alloys
High and corrosion-resistant material, improve the mechanical performance of valving.
In the present embodiment, the transmission parts 40 include：What screw mandrel (not indicating) and the screw mandrel (not indicating) socket-connected
Swivel nut (not indicating), the first hound (not shown) being connected with the swivel nut (not indicating) and valve plate 20 and with the spiral shell
The second hound (not shown) that set and protection plate structure 30 are connected.
Axis of the screw mandrel along valve body 10 is arranged in the valve body 10, can for sealing between screw mandrel and the valve body 10
Rotation connection；
The swivel nut is tubular structure, is internally provided with screw thread, and the swivel nut is socketed on the screw mandrel by screw thread, institute
It is spacing in a circumferential direction to state swivel nut so that the swivel nut can only on the screw mandrel along the axis of screw mandrel (i.e. along valve body 10
Axis) it is mobile, using screw mandrel principle, when the screw mandrel rotates, axis of the swivel nut along the screw mandrel moves.
The both ends of first hound are respectively hinged on the swivel nut and valve plate 20, and along the valve body 10
On axis and the direction moved to valve port 11, first hound is from connecting one end of the swivel nut to connecting the valve port 20
One end tilt.When the quantity for the first hound for connecting same valve plate 20 is flat more than or equal to 2, and between the first hound
Row is set, and ensures the surface of valve plate 20 all the time parallel to the place wall of valve port 11；The length of first hound is big
In or equal to swivel nut axis and the distance between the place wall of valve port 11.
The both ends of second hound are respectively hinged at the swivel nut and protection plate structure 30, and along the valve body
On 10 axis and the direction moved to valve port 11, second hound is described anti-to connecting from the one end for connecting the swivel nut
One end of guard board structure 30 tilts；The length of second hound is more than or equal to the axis of the swivel nut and the valve port 11
The distance between place wall.
It should be noted that with first hound and the second hound to be hinged swivel nut can be same spiral shell
Set；The swivel nut being hinged from first hound and the swivel nut being hinged with second hound can also be different spiral shells
Set.
In the present embodiment, the transmission parts 40 also include limited block, and the limited block is arranged in the valve body 10, use
In on the axis direction in the screw mandrel with valve plate 20 is spacing contacts, valve plate 20 is positioned at and is engaged and seals with the valve port 11
Block up on the position of the valve port 11 so that the valve plate 20 abuts against with the peripheral wall surface of valve port 11.
The operation principle of the transmission parts 40 provided in the present embodiment includes：As shown in Figures 3 and 4, when the valve port 11
In opening, the valve plate 20 is located at one end away from valve port 11 in valve body 10, and the protection plate structure 30 is positioned at described
In valve body 10 and close to the valve port 11, and the through hole 31 of the protection plate structure 30 is connected with the valve port 11 so that institute
State through hole 31 and the valve port 11 is used as circulation passage.
When to close the valve port 11, rotate the screw mandrel and swivel nut is moved on screw mandrel to close to one end of valve port 11
Dynamic, the valve plate 20 moves with swivel nut along screw mandrel axis, and the protection plate structure 30 is as swivel nut is together along screw mandrel
Axis moves so that the protection plate structure 30 moves to away from the direction of valve port 11, and the moving direction of the valve plate 20 and institute
The moving direction for stating protection plate structure 30 is consistent；In the process, the valve plate 20 is drawn close in the side of the swivel nut, and described
Wall of the valve plate 20 not with the valve body 10 directly contacts, until the valve plate 20 is moved to the position shown in Fig. 1 and Fig. 2.This
When, one end of valve plate 20 is limited block stop, so as to which the valve plate 20 is spacing in the position of corresponding valve port 11 along screw mandrel axis
Place, because the screw mandrel is rotated further, swivel nut continues to move in same direction relative to screw mandrel, makees in the driving of the swivel nut
Under, one end of the connection valve plate 20 of the first hound of driving is moved to close to the position of valve port 11, that is, drives the valve plate 20
Abutted along perpendicular to the direction (Y-direction in diagram) of the axis of valve body 10 close to the valve port 11, the final surface of valve plate 20
On the wall around the valve port 11, the valve plate 20 blocks the valve port 11, so that valve port 11 is closed.
When needing to open the valve port 11, the screw mandrel is rotated backward so that swivel nut is along screw mandrel mutually away from valve port 11
One end is moved, and valve plate 20 is no longer connected on the wall around valve port 11；Wall around the valve plate 20 and the valve port 11
After having gap between face, the valve plate 20 moves with swivel nut to one end away from valve port 11, and the protection plate structure
30 moving direction is consistent with the moving direction of valve plate 20, when the protection plate structure 30 is moved to the institute of valve port 11 in place
Place is put, and when the through hole 31 is connected with the valve port 11, the valve port 11 is in opening.
In the present embodiment, connected between first hound and the swivel nut and have elastic component and (do not indicate).Pass through institute
Stating flexible member makes the surface of the first hound drive valve plate 20 be connected to rapidly on the wall around the valve port 11；It is and logical
Crossing the flexible member makes the surface of hound drive valve plate 20 be separated with the wall around the valve port 11 rapidly, so as to
Contact friction of the valve plate 20 with the surface of valve body 10 is preferably avoided, reduces abrasion or institute that the valve plate 20 is subject to
State the abrasion that the inwall of valve body 10 is subject to.
In the present embodiment, in order to save manpower, the transmission parts 40 also include：The motor for driving the screw mandrel to rotate.
By controlling the motor to control the rotation direction of screw mandrel, so as to realize the unlatching of valve port 11 and closing.Need what is illustrated
It is that in other embodiments, the screw mandrel can also be rotated manually by handle.
In the present embodiment, using the transmission parts 40 include screw mandrel, swivel nut, the first hound and the second hound as
Example.In other implementations, the transmission parts include：Push rod, the first hound being connected with the push rod and valve plate and institute
State the second hound that push rod and protection plate structure are connected.
Axis of the push rod along the valve body is arranged in the valve body, and suitable for being moved along the axis of the valve body.
The both ends of first hound are hingedly connected on the push rod and the valve plate, and in the axis along the valve body and to institute
On the direction for stating valve port movement, first hound is inclined from the one end for connecting the push rod to the one end for connecting the valve plate
Tiltedly.The both ends of second hound are hingedly connected on the push rod and the protection plate structure, and along the valve body
On axis and the direction moved to valve port, second hound is hardened to the protection is connected from the one end for connecting the push rod
One end of structure tilts.
Likewise, the transmission parts also include：Limited block, it is arranged in the valve body, in the valve axis
It is upper with the valve plate is spacing contacts, valve plate is positioned on the position of closure corresponding with the valve port so that the valve plate and institute
Valve port peripheral wall surface is stated to abut against.
The operation principle of the transmission parts of above-mentioned offer includes：Push rod is promoted along the axis of the valve body, when described in closing
During valve port, push rod is promoted to close to one end of valve port, the push rod directly drives valve plate to move；When the valve plate with it is described spacing
During the spacing contact of block, push rod is continued to press on, the push rod drives one end of the connection valve plate of the first hound to close to valve port
Position rotates, the valve plate along perpendicular to the direction of valve axis close to valve port, until valve plate abuts with being avoided around valve port
Sealing, completes the operation of close port；In the operating process of close port, the push rod also drives institute by the second hound
Protection plate structure is stated to move along the direction parallel to valve axis, and on the direction parallel to the valve axis, it is described to push away
Bar drives the direction of the valve plate movement consistent with driving the direction of the protection plate structure movement.
When opening valve port, the push rod is reversely promoted, the push rod drives the valve plate by first hound
Moved to one end away from valve port, and drive protection plate structure to be moved to close to the direction of valve port by the second hound；Work as institute
State push rod drives the protection plate structure to be moved at valve port position by the second hound, and make the valve port with it is described
When through hole is connected, complete to open the operation of valve port；In the manipulation process for opening valve port, parallel to the valve axis side
Upwards, the push rod drives the direction of the valve plate movement consistent with driving the direction of the protection plate structure movement.
The transmission parts also include：Drive the telescoping cylinder of push rod movement, the telescopic end of the telescoping cylinder with it is described
Push rod is connected.By moving back and forth for the telescopic end of telescoping cylinder, the closing and unlatching of valve port are realized.The telescoping cylinder can use gas
Cylinder or hydraulic cylinder.
The valving also includes：It is arranged at the sealing ring notch on the valve plate 20 or in the peripheral wall surface of valve port 11
50, the sealing ring notch 50 is used for embedded sealing ring.By setting sealing ring, valve plate 20 and valve port can be further improved
Sealing property between 11 peripheral wall surfaces.In the present embodiment, the sealing ring notch 50 is provided only on the valve plate 20.At it
In his embodiment, the sealing ring notch can also be arranged in the valve port peripheral wall surface, or is arranged on the valve plate
And in valve port peripheral wall surface.
In the present embodiment, the valving also includes：Circulating water pipe 60, the circulating water pipe 60 are arranged on described
In valve body 10, and close to sealing ring notch 50.Cooling water is passed through in the circulating water pipe 60, for the valve body 10 around it
Wall is cooled down.The circulating cooling water pipe 60 can be arranged on the wall of valve body 10, can also be arranged on the valve plate
On 20 surfaces.
In the present embodiment, the circulating water pipe 60 is located at the valve plate 20 with the sealing ring notch 50 and is located at institute respectively
State on two relative faces of valve plate 20.For the valving to be worked in hot environment, pass through coolant seal ring recess mouth
Wall around 50, and then the environment temperature of sealing ring is reduced, so as to reduce the aging speed of sealing ring.
In valving provided by the invention, protection plate structure is provided with valve body, has in the protection plate structure and passes through
Wear the through hole of the protection plate structure；When the valve port of the valving is in opening, the protection plate structure movement
At to the valve port position, and the through hole is connected with the valve port so that the through hole is logical as circulation with valve port
Road, therefore the side wall of the through hole can stop the medium for flowing through the circulation passage, prevent the medium from flowing into valve body, protect
Most or all media are demonstrate,proved to flow into through hole via a valve port and flow out out of through hole via another valve port.Therefore this hair
It is bright directly to reduce the high temperature heat radiation that bears in valving internal unit area, reduce the direct of valve interior wall and corrosive environment
Contact, decreases the materials such as dust, particle and is accumulated in valve body, so as to avoid that valve plate travel track is had undesirable effect,
Phenomena such as preventing stuck valve plate or gas leakage.
The present invention extends the service life of valving, extends maintenance period, so as to reduce maintenance cost, improves
Production efficiency.
Although present disclosure is as above, the present invention is not limited to this.Any those skilled in the art, this is not being departed from
In the spirit and scope of invention, it can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
The scope of restriction is defined.
Claims (17)
- A kind of 1. valving, it is characterised in that including：Valve body, valve port is provided with the wall of the valve body；Valve plate, in the valve body, the valve plate surface is parallel with wall where the valve port, for opening or closing State valve port；Protection plate structure, there is the through hole through the protection plate structure in the valve body, in the protection plate structure；Transmission parts, the transmission parts are connected with the valve plate and protection plate structure, for driving the valve plate along parallel The direction movement of wall where the valve port, so that the valve plate closes the valve port or opens the valve port；The biography Dynamic component is additionally operable to drive the protection plate structure to move along the direction parallel to wall where the valve port, so that the valve port The through hole is connected with the valve port during in opening.
- 2. valving as claimed in claim 1, it is characterised in that where parallel to the valve port on wall direction, institute State transmission parts while drive the valve plate and the protection plate structure to move.
- 3. valving as claimed in claim 2, it is characterised in that where parallel to the valve port on wall direction, institute Stating transmission parts drives the direction of the valve plate movement consistent with driving the direction of the protection plate structure movement.
- 4. valving as claimed in claim 1, it is characterised in that during the valve plate closes the valve port, institute It is being X positive directions along parallel to the direction that wall side where the valve port moves up to state transmission parts and drive the valve plate；Position relationship between the protection plate structure and the valve plate is：The valve plate points to the direction of the protection plate structure It is consistent with the X positive directions.
- 5. valving as claimed in claim 1, it is characterised in that the protection plate structure has two relative ends； The end is in contact with wall where the valve port, or, there is hole between wall where the end and the valve port.
- 6. valving as claimed in claim 1, it is characterised in that where parallel to the valve port on wall direction, institute The size for stating through hole is more than the size of the valve port.
- 7. valving as claimed in claim 6, it is characterised in that the protection plate structure is where the valve port on wall Projection surround the valve port.
- 8. valving as claimed in claim 1, it is characterised in that where parallel to the valve port on wall, the valve The section shape of mouth is circular, regular polygon or irregular polygon；It is described where parallel to the valve port on wall The section shape of through hole is circular, regular polygon or irregular polygon.
- 9. valving as claimed in claim 1, it is characterised in that the quantity of the valve port is two, and described two valves Mouth is set relative to the axisymmetrical of the valve body；The quantity of the valve plate is two.
- 10. valving as claimed in claim 1, it is characterised in that the transmission parts are additionally operable to drive the valve plate edge Perpendicular to the movement of the direction of wall where the valve port, so that the valve plate surface abuts against with the valve port peripheral wall surface, or Person, so as to which there is gap between wall where the valve plate surface and the valve port.
- 11. valving as claimed in claim 10, it is characterised in that the transmission parts include：Screw mandrel, it is arranged at along the axis of the valve body in the valve body；Swivel nut, the swivel nut are socketed on the screw mandrel, and suitable for being moved along the axis of the valve body；First hound, the both ends of first hound are hingedly connected on the swivel nut and the valve plate, and along described On the axis of valve body and the direction moved to valve port, first hound is from connecting one end of the swivel nut to connecting the valve One end of plate tilts；Limited block, the limited block are arranged in the valve body, on the valve axis with the valve plate is spacing contacts, And the valve plate is set to be abutted against with the valve port peripheral wall surface；Second hound, the both ends of second hound are hingedly connected on the swivel nut and the protection plate structure, and Along along the axis of the valve body and the direction moved to valve port, second hound is from connecting one end of the swivel nut to connection One end of the protection plate structure tilts.
- 12. valving as claimed in claim 11, it is characterised in that the transmission parts also include：Drive the screw mandrel The motor of rotation.
- 13. valving as claimed in claim 10, it is characterised in that the transmission parts include：Push rod, it is arranged at along the axis of the valve body in the valve body, and suitable for being moved along the axis of the valve body；First hound, the both ends of first hound are hingedly connected on the push rod and the valve plate, and along described On the axis of valve body and the direction moved to valve port, first hound is from connecting one end of the push rod to connecting the valve One end of plate tilts；Limited block, the limited block are arranged in the valve body, on the valve axis with the valve plate is spacing contacts, And the valve plate is set to be abutted against with the valve port peripheral wall surface；Second hound, the both ends of second hound are hingedly connected on the push rod and the protection plate structure, and Along along the axis of the valve body and the direction moved to valve port, second hound is from connecting one end of the push rod to connection One end of the protection plate structure tilts.
- 14. valving as claimed in claim 13, it is characterised in that the transmission parts also include：Drive the push rod Mobile telescoping cylinder, the telescopic end of the telescoping cylinder are connected with the push rod.
- 15. valving as claimed in claim 1, it is characterised in that the material of the valve body is metal material；The valve plate Material be metal material；The material of the protection plate structure is metal material；The material of the transmission parts is metal material.
- 16. valving as claimed in claim 1, it is characterised in that the valving also includes：Sealing ring notch, institute State sealing ring notch be arranged on the valve plate or the valve port peripheral wall surface on, for embedded sealing ring.
- 17. valving as claimed in claim 15, it is characterised in that the valving also includes：Circulating cooling water pipe, The circulating cooling water pipe is arranged in the valve body, and close to the sealing ring notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610773353.4A CN107781424A (en) | 2016-08-30 | 2016-08-30 | Valving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610773353.4A CN107781424A (en) | 2016-08-30 | 2016-08-30 | Valving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107781424A true CN107781424A (en) | 2018-03-09 |
Family
ID=61450134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610773353.4A Pending CN107781424A (en) | 2016-08-30 | 2016-08-30 | Valving |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107781424A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56164289A (en) * | 1980-05-21 | 1981-12-17 | Kubota Ltd | Slide valve |
| CN2108824U (en) * | 1991-06-05 | 1992-07-01 | 刘斌 | High sealing durable valve for discharge dregs |
| CN201651371U (en) * | 2010-04-01 | 2010-11-24 | 洪泽东俊机械有限公司 | Valve rear seal high-pressure flat gate valve |
| CN201661699U (en) * | 2010-03-11 | 2010-12-01 | 浙江固特气动机械有限公司 | Flat-plate gate valve |
| CN103375599A (en) * | 2012-04-21 | 2013-10-30 | 潘远志 | Metal seal flat valve |
-
2016
- 2016-08-30 CN CN201610773353.4A patent/CN107781424A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56164289A (en) * | 1980-05-21 | 1981-12-17 | Kubota Ltd | Slide valve |
| CN2108824U (en) * | 1991-06-05 | 1992-07-01 | 刘斌 | High sealing durable valve for discharge dregs |
| CN201661699U (en) * | 2010-03-11 | 2010-12-01 | 浙江固特气动机械有限公司 | Flat-plate gate valve |
| CN201651371U (en) * | 2010-04-01 | 2010-11-24 | 洪泽东俊机械有限公司 | Valve rear seal high-pressure flat gate valve |
| CN103375599A (en) * | 2012-04-21 | 2013-10-30 | 潘远志 | Metal seal flat valve |
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Application publication date: 20180309 |