CN103836216B - Board-like two-way self-pressed sealed valve - Google Patents
Board-like two-way self-pressed sealed valve Download PDFInfo
- Publication number
- CN103836216B CN103836216B CN201410054601.0A CN201410054601A CN103836216B CN 103836216 B CN103836216 B CN 103836216B CN 201410054601 A CN201410054601 A CN 201410054601A CN 103836216 B CN103836216 B CN 103836216B
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/04—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members
- F16K3/06—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages
- F16K3/08—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages with circular plates rotatable around their centres
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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
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
- F16K27/045—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members with pivotal obturating 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0227—Packings
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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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
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a kind of board-like two-way self-pressed sealed valve, including valve body, it is characterised in that:Include the disc type valve plate of at least a pair of of cooperation in valve body, an at least valve plate can be rotated around center axis in each pair of disc type valve plate;At least one through-hole is respectively provided on two valve plates, through-hole is externally provided with the closed plate being fixed on valve plate;The end face of closed plate is sealing surface;When valve plate turns to open position, the through-hole on two valve plates is correspondingly formed water passage;When valve plate turns to detent position, the through-hole on two valve plates interlocks, and the sealing surface contact sealing in two closed plates, and the through-hole on two valve plates is separated.
Description
Technical field
The present invention relates to a kind of valve, it is especially a kind of by with inside and outside fan-shaped pylone, inside and outside covering of the fan closed plate it is dynamic
Valve plate rotates the board-like two-way self-pressed sealed valve with quiet valve plate rotatable engagement.
Background technology
Existing valvular switch is all the spatial position change using valve body and flap, and sealing surface of seat is made to be sealed with flap
Emaciated face is from realizing valve switch with overlapping, and foreign matter enters between static and dynamic sealing face when valve opening, and when closing causes sealing surface
Damage makes valve leak.
Invention content
To overcome the above disadvantages, according to Tai Ji sun sun mutual root, alternate, mutual length, intercommunication, complementary balanced principle, this hair
A kind of board-like two-way self-pressed sealed valve of bright offer, compared with prior art, the present invention having the advantages that sealing effect is good.
In order to achieve the above objectives, the technical program is as follows:
A kind of board-like two-way self-pressed sealed valve, including valve body, interior valve body includes at least a pair of disc type valve plate coordinated, often
An at least valve plate in disc type valve plate can be rotated around center axis;At least one through-hole, through-hole are respectively provided on two valve plates
It is externally provided with the closed plate being fixed on valve plate;The end face of closed plate is sealing surface;When valve plate turns to open position, on two valve plates
Through-hole be correspondingly formed water passage;When valve plate turns to detent position, the through-hole on two valve plates interlocks, and in two closed plates
Sealing surface contact sealing, the through-hole on two valve plates is separated.
Further, if there are three valve plates:Quiet valve plate including both sides and the dynamic valve plate between two quiet valve plates move
Valve plate two sides are respectively arranged closed plate and sealing surface, and with the quiet valve plate of corresponding side respectively to form a pair of discs formula close for dynamic valve plate
Seal valve plate.
Further, gap is equipped between the dynamic valve plate and the quiet valve plate of both sides;Dynamic valve plate is fixedly arranged in the middle of center
Axis, central shaft are to be slidably matched with dynamic valve plate, and dynamic valve plate can be slided along its axial direction in gap;It is high when closing valve
Pressure fluid pushes dynamic valve plate to low-pressure side, keeps valve two-way self-pressure-sealed.
Further, quiet valve plate there are one being set in the middle part of valve body, respectively sets from inside to outside respectively positioned at the quiet valve plate both sides in middle part
There are one dynamic valve plate and a quiet valve plates;Wherein dynamic valve plate, medium position quiet valve plate and opened on the quiet valve plate of side
Equipped with corresponding through-hole;And closed plate and sealing surface is respectively arranged in the quiet valve plate both sides of dynamic valve plate, medium position, valve plate adjacent in this way
Each self-forming a pair of discs formula sealing valve plate;After valve plate is moved in both sides closes, the closing of at least one dynamic valve plate in valve plate is moved in both sides
Plate closes the through-hole of intermediate quiet valve plate, forms sealing chamber.
Further, the dynamic and static valve plate is equipped with shearing when opening and closing on the sealing surface that through-hole is sheared
Blade.
Further, the sealing surface of closed plate is equipped at least monitors sealing annular groove together, and valve body is equipped at least one
The leak detection channel that road is communicated with monitoring seal groove.
Further, the through-hole is interspersed on valve plate;Described can be staggeredly adjacent be separated by or distance
It is far and near it is different it is inside and outside staggeredly.
Further, the through-hole is fan-shaped pylone.
Further, valve plate is equipped at least one radial reinforcement at least provided with the end face upper edge valve plate diametric(al) of closed plate
Muscle, outer ring, middle part and the inner ring of valve plate side are equipped with the ring stiffener with valve plate central shaft for concentric circles;
Valve plate is divided into inside and outside sector region by ring stiffener and radial reinforcing rib;
The through-hole is located in inside and outside sector region, is respectively formed interior fan-shaped pylone and outer fan-shaped pylone, remaining as
Covering of the fan sealing plate;
The inside and outside fan-shaped pylone distinguishes adjacent distributions, and inside and outside fan-shaped pylone is located in different half-circle areas,
When dynamic valve plate turns to opening state, the inside and outside fan-shaped pylone pair of the inside and outside fan-shaped pylone and quiet valve plate on valve plate is moved
It answers, forms channel;When dynamic valve plate turns to closed state, the through-hole of through-hole and quiet valve plate on dynamic valve plate is staggered, on valve plate
Closed plate and sealing surface are correspondingly formed sealing;Inside and outside covering of the fan closed plate on dynamic valve plate, by the inside and outside sector channel of quiet valve plate
Closing.
Further, the radial reinforcing rib is uniformly provided with three, and valve plate is separated into six with ring stiffener
It is fan-shaped and six outer fan-shaped, wherein it is interior fan-shaped pylone to have fan-shaped in adjacent three, adjacent three on the semicircle on opposite
Outer fan-shaped pylone there are three being set in outer sector;When valve body is closed, sealing element is by corresponding fan-shaped pylone shape
At sealed chamber.
Further, the sealing surface is equipped at least one sealing element.
Further, the sealing element is sealing ring, and the sealing ring for accommodating sealing ring is provided on each ring stiffener
Shape slot offers the sealing hole communicated together with sealing annular groove on valve body.
Further, under valve is in the open state, the area of the sum of through-hole is not less than valve body end face nozzle sectional area.
Further, axle center hole is connect with oscillating bearing warp beam with quiet valve plate concentric holes in the middle part of the dynamic valve plate, movable plate
Valve can universal self-regulated, so that movable plate valve is adjacent to the sealing of quiet plate valve.
Further, the dynamic valve plate outer ring is equipped with outer ring gear, and rotate gear is combined with outer ring gear.
Further, inspection leak stopping annular groove, inspection are set among packing gland sealing surface and valve body connecting flange sealing surface
It finds out and stop leakage annular groove to connect with leak stopping channel is checked, for detecting leakage and sealing, checks the respectively setting one of leak stopping annular groove both sides
The above annular sealing strip in road.
Further, both sides are moved after valve plate closes, and the closed plate of valve plate, sealing surface, sealing element are moved by intermediate quiet valve in both sides
The through-hole of plate is closed, and sealing chamber is formed, and intermediate quiet valve plate is equipped with the detection closed channel for leading to sealing chamber.
Further, outermost that hydrospace was equipped on the outside of the quiet valve plate of Inlet and outlet water flange, form the double-deck knot
Structure.
Further, the dynamic and static valve plate is equipped with radial seal on the sealing surface that opening state, through-hole are sheared
Slot, radial seal groove is interior to be equipped with apex sealing strip, and the apex sealing strip is interior in the side at least towards radial seal groove
Concavity;Apex sealing strip is ladder-like, wherein being small head end positioned at notch position, slot bottom position is stub end;On the inside of notch end
Equipped with the steel wire spacing collar for stopping stub end;Valve body is equipped with the liquid injection hole and relief hole communicated with radial seal groove,
Wherein liquid injection hole is located at the inside of the stub end of apex sealing strip, and relief hole is located at the outside of liquid injection hole, when liquid injection hole fluid injection,
Apex sealing strip move outwardly to steel wire spacing collar and stub end to it is corresponding when apex sealing strip be detached from relief hole, liquid injection hole warp
Radial seal groove is communicated with relief hole.
The operation principle and the course of work of the present invention is as follows:
The invention mainly comprises the valve bodies being connect with pipeline and valve plate to form, and wherein valve plate includes being located in valve body again
Quiet valve plate and matched dynamic valve plate composition.
The basic functional principle of the present invention is as follows:It is equipped with inside and outside fan-shaped pylone on dynamic valve plate and quiet valve plate and is used for
The inside and outside covering of the fan coffer of through-hole is closed, the inside and outside fan-shaped pylone on two valve plates is staggered with inside and outside covering of the fan closed plate;
When dynamic valve plate turns to opening state, the inside and outside fan-shaped pylone corresponding conducting for realizing valve respectively on two valve plates;In dynamic valve
When plate turns to closed state, the inside and outside covering of the fan closed plate of the inside and outside fan-shaped pylone and quiet valve plate that move valve plate overlaps and makes to lead to
The closing of valve is realized in hole closing, and after valve is closed, high-pressure fluid pushes dynamic valve plate to low-pressure side, keeps valve two-way from densification
Envelope.
Quiet valve plate, dynamic valve plate quantity can be set as needed, such as preferably three when requiring valve tight-closed
Quiet valve plate, two dynamic valve plates, intermediate valve plate both ends of the surface all set sealing surface, and intermediate valve plate both sides respectively set a dual face seals and move valve
Plate, valve both ends respectively set the quiet valve plate of a single facer.The dynamic valve plate of the quiet valve plate one of common valve two, centre setting dual face seals
Dynamic valve plate, a quiet valve plate of single facer is respectively arranged in both sides.
When dynamic valve plate is rotated relative to quiet valve plate, distribution is located at the mistake that the through-hole split on two valve plates can form shearing
Journey, the endface of the dynamic valve plate and quiet valve plate sheared in through-hole are equipped with shearing knife edge, thus can will be miscellaneous in pipeline
Matter is cut, and preventing impurity from scratching sealing element reduces the sealing effect of valve, is conducive to extend the service life of valve entirety.
This valve is mainly used for bigbore pipeline, for example is used on main pipeline, and pressure is very big at this time, to prevent
Valve plate deforms, and needs that reinforcing rib is arranged on valve plate, this valve plate is equipped with radial reinforcing rib and ring stiffener, enhances resistance to compression
Ability.
On the end face of sound valve plate, it is equipped with annular sealing surface(Inner ring, middle ring, outer shroud), it is arranged one on annular sealing surface
A above monitoring seals annular groove, strip of paper used for sealing can be encrypted in monitoring sealing annular groove, as opened one among quiet valve plate annular sealing surface
A monitoring seals annular groove, and is connected with monitoring sealing channel, can monitoring leakage situation, can be by monitoring sealing channel to valve
Interior injection abrasive pastes are ground, and as being equipped with sealing ring in monitoring sealing annular groove, when valve leak, high-pressure fluid will seal
Ring is released, and is tightly attached on dynamic sealing surface of valve plate, and valve leak is prevented, and such as dynamic and static valve plate is opposite to be provided with monitoring sealing annular groove,
A rotary packing ring is added in opposite monitoring sealing annular groove, fluid can be prevented to leak.There are two such as being set on annular sealing surface
Monitoring sealing annular groove, the one detection leakage of an encryption strip of paper used for sealing.It is such as set on annular sealing surface annular there are three sealing is monitored
Slot, the detection leakage encrypted among strip of paper used for sealing on both sides.
In this way, radial reinforcing rib and ring stiffener form sealing plate, point sealing during radial reinforcing rib is equipped with
Item, ring stiffener are equipped with annular sealing strip, in divide sealing strip and annular sealing strip to cooperatively form sealing surface, in this way in divide it is close
Sealing is with setting in annular sealing surface(Inner ring, middle ring, outer shroud)On sealing element be combined, through-hole can be sealed, protect
Demonstrate,prove sealing effect;Meanwhile after valve plate closing is moved in both sides, the closed plate that valve plate is moved in both sides closes the through-hole of intermediate quiet valve plate, shape
At sealing chamber, intermediate quiet valve plate is equipped with the detection closed channel for leading to sealing chamber, and when operation, leakage liquid can be discharged, when stoppage in transit
Inwardly fliud flushing it can detect valve leak.In divide in the monitoring seal groove of sealing surface and can encrypt strip of paper used for sealing, with the monitoring on quiet valve plate
It seals channel to be connected, detectable leakage divides sealing surface with grinding, can be sealed with high-pressure fluid.
The area of the sum of through-hole is not less than the sectional area of valve body end face nozzle, and medium can be made to flow into, flow out in this way
Circulation will not change when valve body, effectively reduce resistance.
It is connected with reinforcing rib for double layer design between the quiet valve plate end face of valve body both sides of the face and both sides, and there are sufficient spaces
Fluid is set to circulate, with the space that covering of the fan coffer blocks in supplement.
It is equipped with positioning jackscrew in the outside of dynamic valve plate, in this way can be by rotating jackscrew, being inserted into location hole makes the position of the switch
Positioning.When stopping transport, static and dynamic sealing face paste can be kept tight to quiet valve plate on dynamic valve plate top with jackscrew, be conducive to detection experiment.
Dynamic valve plate by oscillating bearing and axis connection, move in this way valve plate can with universal self-regulated it is comprehensive be bonded with quiet valve plate it is close
Envelope.Dynamic valve plate outer ring is equipped with outer ring gear, matches and have rotate gear with outer ring gear.
When the diameter of pipeline is smaller and the central axis of pipeline and the central axis of valve not to it is corresponding when valve and pipe
Road just will appear valve plate when coordinating and block the problem of shutting off, and flow is reduced to form necking, unsmooth flowing.
Valve body both ends are set as being equipped with the double-layer structure of hydrospace, and reinforcing rib is used in combination to be connected;There are cross water between two layers
Space can first flow into the media flow before quiet valve plate to crossing on hydrospace, then by crossing hydrospace again through the whole of quiet valve plate
A through-hole enters on the inside of spool, is not in thus that pipeline is close to the case where quiet valve plate blocks throughhole portions, makes fluid
Circulation, with the space that covering of the fan coffer blocks in supplement.
The outside at valve body both ends is equipped with plate washer, pipeline coupling flange.
Double-layer structure refers to being equipped with hydrospace on the outside of the quiet valve plate of Inlet and outlet water flange outermost, in pipe
Road diameter uses in the case of being less than diameter valve, with the space that covering of the fan coffer blocks in supplement, plays the role of concentric reducer.
Divide sealing surface to be equipped with radial seal groove and apex sealing strip in, sealing strip is designed as wedge shape or ladder
Shape, sealing strip are divided into stub end and small head end, and wherein stub end is located at slot bottom, and small head end is located at notch, is communicated with seal groove
Equipped with liquid injection hole and relief hole, in fluid injection, hydraulic oil enters out of liquid injection hole, and the inner concavity of sealed head stub end will be close
Strip of paper used for sealing carries out expansion extruding, at this point, sealing strip is moved from slot bottom to notch(Sealing strip not yet moves to de- with relief hole at this time
From sealing strip seals relief hole simultaneously), so that the outermost end of sealing strip is close to valve plate, to further enhance sealing effect;If
Valve plate moves, and after being mutually disengaged, the end of sealing strip cannot touch the sealing plate to side valve plate, at this time if continuing filling liquid
Sealing strip continues after moving out, and sealing strip will be detached from relief hole;After liquid injection hole, at this time the sealed slot of liquid injection hole with
Relief hole communicates, and sealing strip would not move forward, and prevents after valve plate rotationally disengages, malfunctions into liquid injection hole one
The problem of sealing strip is squeezed abjection seal groove by straight filling liquid.
To sum up, dynamic valve plate and quiet valve plate is arranged in the invention in valve body, and by being equipped with shape on dynamic and static valve plate
Size identical inside and outside fan-shaped pylone, inside and outside covering of the fan closed plate, are equipped with detection closed channel on quiet valve plate and monitoring sealing is logical
Road is equipped with monitoring sealing annular groove on sealing surface, rotary packing ring is equipped in monitoring sealing annular groove, high when valve leak
It presses fluid to seal channel through monitoring, into monitoring sealing annular groove, sealing ring is released, is tightly attached on dynamic sealing surface of valve plate,
Prevent valve leak.When dynamic valve plate rotation, the unlatching of fan-shaped pylone correspondence or the realization valve that is staggered or pass inside and outside dynamic and static valve plate
It closes, compared with prior art, there is dynamic and static valve plate annular sealing surface when switch to be adjacent to sliding rotation, foreign matter is prevented to enter sealing
Face prevents ring packing surface damage, divides sealing surface that alloy shear knife is housed in sound valve plate, and when valve switch can cut foreign matter
It is disconnected, divide sealing face damage in preventing.It is provided with monitoring sealing annular groove among every group of annular sealing surface, floating seal is placed in slot
Ring, sealing effect is good, self-test and self-grind can be achieved, and the small switch of sliding spin friction coefficient is laborsaving.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in application, for those of ordinary skill in the art, without creative efforts,
Other drawings may also be obtained based on these drawings;
Fig. 1 is 1 structural schematic diagram of embodiment;
Fig. 2 is the respective outer side edges figure of embodiment 1;
Fig. 3 is quiet valve board structure schematic diagram;
Fig. 4 is dynamic valve board structure schematic diagram;
Fig. 5 is 2 structural schematic diagram of embodiment;
Fig. 6 is radial seal groove and apex sealing strip structural schematic diagram;
Fig. 7 is radial seal groove and apex sealing strip pressure relief schematic diagram.
Specific implementation mode
The relevant technologies content that do not address below can be used or use for reference the prior art.
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, technical solutions in the embodiments of the present application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
The every other embodiment that technical staff is obtained without making creative work should all belong to the application protection
Range.
Embodiment 1
As shown in Figs 1-4, a kind of board-like two-way self-pressed sealed valve, including two dynamic valve plates, 11, three quiet valve plates.This two
Three quiet valve board structures of dynamic valve plate, preferably dynamic valve plate are symmetrical arranged with quiet valve plate.
The middle part of valve body is intermediate quiet valve plate 12, and both sides are the quiet valve plate 15 in side, and intermediate quiet valve plate 12 is two sides sealing knot
Structure, you can the disc type sealing valve plate of a pair of of cooperation is separately constituted with the dynamic valve plate 11 with its both sides;.
The dynamic valve plate 11 of the both sides of intermediate quiet valve plate 12 moves valve plate using dual face seals, and it is two sides sealing knot to move valve plate 11
Structure, you can the disc type sealing valve plate of a pair of of cooperation can also be separately constituted with the quiet valve plate in both sides 15 with intermediate quiet valve plate 12.
Dynamic valve plate 11 is located between the quiet valve plate 15 in both sides and intermediate quiet valve plate 12, moves 11 both sides double layer design of valve plate, i.e., often
Side can be sealed with quiet valve plate corresponding matching.
Outermost to be equipped with hydrospace 22 on the outside of the quiet valve plate of Inlet and outlet water flange, it can be annular that this, which crosses hydrospace,
Slot forms double-layer structure, and there are sufficient spaces, and fluid to be made to circulate, the space blocked with covering of the fan coffer in supplement.
The dynamic and static preferred disc type of valve plate, and valve plate center is overlapped with valve body center.
Dynamic valve plate 11 can be rotated around its central rotating shaft, and rotating manner is as follows:The centre bore of dynamic valve plate 11 passes through oscillating bearing
Warp beam is connect with quiet valve plate concentric holes.
The dynamic valve plate 11 and quiet valve plate are equipped with reinforcing rib, and the present embodiment is on intermediate quiet valve plate 12, dynamic valve plate 11
It is equipped with two-sided reinforcing rib, is sealing surface outside reinforcing rib, is provided on sealing surface and monitors sealing annular groove, in monitoring sealing annular groove
Equipped with sealing ring.
The reinforcing rib includes along the equally distributed at least one radial reinforcement of dynamic valve plate and the straight radial direction of quiet valve plate
The radial reinforcing rib of muscle 17, the present embodiment selects 3;There is annular in 17 outer end of radial reinforcing rib and middle part, integrated setting
Reinforcing rib 18:Outer shroud reinforcing rib, middle ring reinforcing rib and inner ring reinforcing rib.
In this way, outer shroud reinforcing rib, middle ring reinforcing rib and inner ring reinforcing rib, endocyclic area is divided by dynamic valve plate and quiet valve plate
And outer region, 6 sector elements are divided by radial reinforcing rib again on each region.
Shown in Fig. 3, Fig. 4, inside and outside fan-shaped pylone and inside and outside covering of the fan closing closure plate are respectively equipped on dynamic valve plate and quiet valve plate:
It is set on shown in quiet valve plate Fig. 4 there are six through-hole, through-hole set-up mode is as follows:Through-hole there are six setting altogether, wherein three inner via holes 19
On continuous three sector elements in inner ring reinforcing rib and middle ring reinforcing rib region, the other three accessibke porosity 20 is located at another
On the outer shroud reinforcing rib of half valve plate and continuous three sector elements of middle ring reinforcing rib forming region, the setting of covering of the fan closed plate with
Fan-shaped pylone is to anti-;Dynamic valve plate is then then just oppositely arranged with quiet valve plate, shown in Fig. 3.
The size of through-hole can be set as needed, and fan-shaped pylone is to just inside and outside sound valve plate of the present invention;Valve is in and beats
Under open state, the area of the sum of through-hole is not less than valve body end face nozzle sectional area.
It is respectively provided with sealing surface on the outer shroud reinforcing rib, middle ring reinforcing rib and inner ring reinforcing rib, twice are provided on sealing surface
Monitoring sealing annular groove, monitoring sealing annular groove is interior to be equipped with sealing element, and quiet valve plate is equipped with monitoring sealing channel, monitors sealing channel
It is communicated respectively with the twice monitoring sealing annular groove on reinforcing rib sealing surface.
The dynamic and static valve plate is equipped with shearing knife edge 21 when opening and closing on the split that through-hole is sheared, and cuts
The outside of cutoff edge 21(Side far from through-hole)Along the radial reinforcing rib at through-hole edge be equipped in divide sealing element;At valve body
When closed state, in divide sealing element, lip ring to form sealed chamber, through-hole and closed plate are located at close on dynamic and static valve plate
It seals in chamber.
Radial reinforcing rib inner end is equipped with annular reinforcing rib, and annular reinforcing rib sealing surface is equipped with inner ring seal part;It is interior
Annular seal, in divide sealing element, the lip ring of middle ring, outer ring seal, when both sides move valve plate close after, valve plate is moved in both sides
Closed plate, sealing surface, sealing element the through-hole of intermediate quiet valve plate is closed, form sealing chamber, intermediate quiet valve plate 12 is equipped with logical
To the detection closed channel 13 of sealing chamber channel 14 is sealed with the monitoring for leading to monitoring sealing annular groove.
The detection closed channel for leading to sealing chamber that intermediate quiet valve plate is equipped with, when operation, leakage liquid can be discharged, and stop transport
When can to internal-filling liquid detect valve leak.
Set on the valve body there are two alignment pin, dynamic valve plate standard-sized sheet, it is fully closed when, the corresponding positioning of alignment pin reeve
Hole.
The dynamic valve plate outer ring is equipped with outer ring gear 16, matches and has rotate gear with outer ring gear 16, passed by gear
It is dynamic to realize the rotation for moving valve plate, certainly, if there are two when dynamic valve plate, it can realize that the dynamic valve plate on both sides is same by the transmission of gear
Step rotation;Rotation or electric rotary manually can be selected as needed.
Fig. 6, shown in 7, divide sealing surface to be equipped on the sealing surface of shearing knife edge in and be equipped with radial seal groove 61, it is radial close
Be equipped with apex sealing strip 62 in sealing groove, the apex sealing strip towards radial seal groove inside and positioned at the outer of notch
Side is inner concavity;Apex sealing strip is ladder-like, wherein being small head end positioned at notch position, slot bottom position is stub end;Notch
End inside is equipped with the steel wire spacing collar 63 for stopping stub end;Valve body be equipped with the liquid injection hole 64 that is communicated with radial seal groove with
And relief hole 65, wherein liquid injection hole are located at the inside of the stub end of apex sealing strip, relief hole is located at the outside of liquid injection hole, works as note
When fluid apertures fluid injection, apex sealing strip move outwardly to steel wire spacing collar and stub end to it is corresponding when apex sealing strip and relief hole it is de-
From liquid injection hole is communicated through radial seal groove with relief hole.The inside fluid injection of liquid injection hole, radial seal can be passed through when valve is closed
Slot is moved out further to be bonded with sealing surface, increases sealing effect.
In use, the both ends nozzle of valve body is connected to pipeline, when needing to open valve, rotate gear drive move valve plate into
Row rotation, with rotation, dynamic and static valve plate through-hole gradually overlaps and forms channel, and with the progress of rotation, positioning pin enters positioning
Hole, reach capacity position, and inside and outside fan-shaped pylone all overlaps at this time, and channel is opened completely;When needing to close, dynamic valve is rotated backward
Plate, with the progress of rotation, shearing knife edge shears impurity, and after cutting impurity, impurity push clear by shearing knife edge
It removes, prevents impurity damage sealing surface, positioning pin from entering location hole, reach capacity position, moves the inside and outside covering of the fan on valve plate at this time
Closed plate closes the inside and outside sector channel of quiet valve plate, and when liquid bidirectional, which flows, closes valve, highly pressurised liquid pushes away movable plate valve
To low-pressure side, so that sound valve plate is adjacent to and close tight, is formed two-way from densification.
Two dynamic valve plates can be turned on and off simultaneously, also can one operation of standard-sized sheet, realize the using and the reserved.
Embodiment 2
Except for the following differences, other are same as Example 1
A kind of board-like two-way self-pressed sealed valve, is the two-way self-pressed sealed valve of single action valve plate, including sealed quiet valve plate 221,
Dual face seals formula moves valve plate 222.
Dual face seals formula moves valve plate 222 and is located at middle part, and both sides are sealed quiet valve plate 221.
Sealed quiet valve plate 221 is set as double-layer structure, and hollow through-flow room is connected into reinforcing rib, close with covering of the fan in supplement
The space that closing plate blocks.
It is provided with pipe joint, transmission gear, flange etc. on the outside of valve body, inside is provided with inside and outside fan-shaped pylone, interior exterior wing
Face closure plate, annular sealing surface are provided with three monitoring sealing annular grooves on sealing surface, and outside twice connect with monitoring sealing channel
It is logical, and two annular sealing strips are inlayed, when valve leak, high-pressure fluid enters monitoring sealing annular groove through monitoring sealing channel, will
Sealing ring is released, and is tightly attached on dynamic sealing surface of valve plate, and valve leak, the intermediate sealing annular groove of monitoring together is prevented to be sealed with monitoring
Channel is connected to, and detects valve leak situation.Dual face seals move valve plate and are equipped with inside and outside fan-shaped pylone, inside and outside covering of the fan closed plate, both sides
End face, be provided with it is symmetrical in divide radial reinforcing rib and ring stiffener, ring stiffener and in divide on radial reinforcing rib and set
There is sealing surface, the outer ring for moving valve plate is equipped with outer ring gear.Setting among packing gland sealing surface and valve body connecting flange sealing surface
It checks leak stopping annular groove, checks that leak stopping annular groove is connect with leak stopping channel is checked, for detecting leakage and sealing, check leak stopping ring
Annular sealing strip in one one of shape slot both sides setting.
Operation principle and the course of work:The inside and outside fan-shaped pylone of two static-sealing type valve bodies, it is opposite, in the same direction, to positive usage
Orchid connection forms closed chamber, and setting dual face seals move valve plate in chamber, move the sealing of valve plate both sides of the face and the quiet valve of left and right valve body
Plate sealing surface is corresponding, and dynamic and static sealing surface is adjacent in the closing to be formed monitoring sealing annular groove, and rotary packing ring is housed, valve plate is moved
Inside and outside fan-shaped pylone, inside and outside covering of the fan closed plate are corresponding with fan-shaped pylone, inside and outside covering of the fan closed plate inside and outside the quiet valve plate of valve body, need
When opening valve, manually or electrically rotate gear drives dynamic valve plate to be rotated, and with rotation, moves valve plate through-hole and the left and right sides
The through-hole of the quiet valve plate of valve body gradually overlaps and forms channel, and with the progress of rotation, positioning pin enters location hole, reaches capacity
Position, fan-shaped pylone all overlaps inside and outside dynamic and static valve plate at this time, and channel is opened completely;When needing to close, dynamic valve is rotated backward
Plate, with the progress of rotation, shearing knife edge shears impurity, and after cutting impurity, impurity push clear by shearing knife edge
It removes, prevents impurity damage sealing surface, positioning pin from entering location hole, reach capacity position, moves the inside and outside covering of the fan on valve plate at this time
Closed plate closes the inside and outside sector channel of quiet valve plate.When liquid bidirectional, which flows, closes valve, highly pressurised liquid pushes away movable plate valve
To low-pressure side, so that sound valve plate is adjacent to and close tight, is formed two-way self-pressure-sealed.
Outer ring seal face, middle ring sealing surface, inner ring seal face, in divide sealing surface, directly ring stiffener turning can be ground
It is flat to be processed into sealing surface, or welding, inlay the turning such as stainless steel, copper and polish and be processed into sealing surface, it can will be in ring packing plane
Between turning at least one circle monitoring sealing annular groove, monitoring sealing annular groove with monitoring sealing channel communicate, or monitoring sealing ring
Install rotary packing ring in shape slot additional,.
Process of self-test:Monitoring sealing channel is opened after closing valve when operation, valve is tight if no liquid flows out.It stops transport
When with jackscrew by dynamic valve plate top to quiet valve plate side, keep static and dynamic sealing face paste tight, by monitoring seal channel to monitoring sealing annular
Feed flow in slot illustrates that sealing effect is good if depressurizing or revealing do not occur in valve, and if there is leakage, is sealed to monitoring
Annular groove is built into abrasive sand, grinding seal surface.
Embodiment three
For the board-like two-way quiet valve plate of self-pressed sealed valve, including a dynamic valve plate and a quiet valve plate.Embodiment 2 by its
In a quiet valve plate removal.
The above is only the preferred embodiment of the application, is made skilled artisans appreciate that or realizing this Shen
Please.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can in other embodiments be realized in the case where not departing from spirit herein or range.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (15)
1. a kind of board-like two-way self-pressed sealed valve, including valve body, it is characterised in that:It include the disk of at least a pair of of cooperation in valve body
Formula valve plate, an at least valve plate can be rotated around center axis in each pair of disc type valve plate;It is respectively provided on two valve plates at least one
Through-hole, through-hole are externally provided with the closed plate being fixed on valve plate;The end face of closed plate is sealing surface;Valve plate turns to open position
When, the through-hole on two valve plates is correspondingly formed water passage;When valve plate turns to detent position, the through-hole on two valve plates interlocks, and
Sealing surface contact sealing in two closed plates, the through-hole on two valve plates is separated;It is quiet there are one being set in the middle part of valve body
Valve plate is respectively provided with a dynamic valve plate and a quiet valve plate from inside to outside respectively positioned at the quiet valve plate both sides in middle part;Wherein dynamic valve plate, in
The quiet valve plate of portion position and offer corresponding through-hole on the quiet valve plate of side;And the quiet valve plate of dynamic valve plate, medium position
Closed plate and sealing surface is respectively arranged in both sides, and valve plate adjacent so respectively forms a pair of discs formula sealing valve plate;When valve is moved in both sides
After plate is closed, the closed plate that at least one dynamic valve plate in valve plate is moved in both sides closes the through-hole of intermediate quiet valve plate, forms sealing chamber.
2. board-like two-way self-pressed sealed valve according to claim 1, it is characterised in that:The dynamic valve plate and both sides
Gap is equipped between quiet valve plate;Dynamic valve plate is fixedly arranged in the middle of central shaft, and central shaft is to be slidably matched with dynamic valve plate, and dynamic valve plate can edge
Its axial direction slides in gap;When closing valve, high-pressure fluid pushes dynamic valve plate to low-pressure side, keeps valve two-way from pressure
Sealing.
3. board-like two-way self-pressed sealed valve according to claim 1 or 2, it is characterised in that:The dynamic and static valve plate is being opened
Shearing knife edge is equipped on the sealing surface that through-hole is sheared when with closing.
4. board-like two-way self-pressed sealed valve according to claim 1 or 2, it is characterised in that:On the sealing surface of closed plate
Equipped at least monitoring sealing annular groove, valve body are equipped with the leak detection channel at least communicated together with monitoring seal groove together.
5. according to the board-like two-way self-pressed sealed valve described in claim 1, it is characterised in that:The through-hole is on valve plate
It is interspersed.
6. according to the board-like two-way self-pressed sealed valve described in claim 5, it is characterised in that:The through-hole is fan-shaped logical
Hole.
7. board-like two-way self-pressed sealed valve according to claim 1 or 2, it is characterised in that:Valve plate is at least provided with closing
The end face upper edge valve plate diametric(al) of plate is equipped at least one radial reinforcing rib, outer ring, middle part and the inner ring of valve plate side
Equipped with the ring stiffener with valve plate central shaft for concentric circles;Valve plate is divided by ring stiffener and radial reinforcing rib
Inside and outside sector region;The through-hole is located in inside and outside sector region, is respectively formed interior fan-shaped pylone and outer sector is logical
Hole, remaining as covering of the fan sealing plate;The inside and outside fan-shaped pylone distinguishes adjacent distributions, and inside and outside fan-shaped pylone is located at not
In same half-circle area, when dynamic valve plate turns to opening state, the interior exterior wing of the inside and outside fan-shaped pylone and quiet valve plate on valve plate is moved
Shape through-hole corresponds to, and forms channel;When dynamic valve plate turns to closed state, the through-hole for moving the through-hole and quiet valve plate on valve plate is wrong
It opens, the closed plate and sealing surface on valve plate are correspondingly formed sealing.
8. according to the board-like two-way self-pressed sealed valve described in claim 1, it is characterised in that:The sealing surface is equipped with
At least one sealing element.
9. according to the board-like two-way self-pressed sealed valve described in claim 8, it is characterised in that:The sealing element is sealing
It encloses, the sealing annular groove for accommodating sealing ring is provided on each ring stiffener, annular groove phase is offered together and sealed on valve body
Logical sealing hole.
10. board-like two-way self-pressed sealed valve according to claim 1 or 2, it is characterised in that:Valve is in open shape
Under state, the area of the sum of through-hole is not less than valve body end face nozzle sectional area.
11. board-like two-way self-pressed sealed valve according to claim 1 or 2, it is characterised in that:In the dynamic valve plate
Portion's axle center hole is connect with oscillating bearing warp beam with quiet valve plate concentric holes.
12. board-like two-way self-pressed sealed valve according to claim 1 or 2, it is characterised in that:Outside the dynamic valve plate
Circle is equipped with external toroidal ring, and rotate gear is combined with outer annular gear.
13. board-like two-way self-pressed sealed valve according to claim 1, it is characterised in that:After valve plate closing is moved in both sides, two
The closed plate of the dynamic valve plate in side, sealing surface, sealing element close the through-hole of intermediate quiet valve plate, formation sealing chamber, on intermediate quiet valve plate
Equipped with the detection closed channel for leading to sealing chamber.
14. the board-like two-way self-pressed sealed valve according to claims 1 or 2 any one, it is characterised in that:On valve body
Outermost to be equipped with hydrospace close to the quiet valve plate outside into flange, valve body forms double-layer structure.
15. board-like two-way self-pressed sealed valve according to claim 1 or 2, it is characterised in that:The dynamic and static valve plate exists
The sealing surface that opening state, through-hole are sheared is equipped with radial seal groove, and apex sealing strip, institute are equipped in radial seal groove
The apex sealing strip stated is inner concavity in the side at least towards radial seal groove;Apex sealing strip is ladder-like, wherein position
In notch position is small head end, slot bottom position is stub end;The steel wire for stopping stub end is equipped on the inside of notch end to limit
Circle;Valve body is equipped with the liquid injection hole and relief hole communicated with radial seal groove, and wherein liquid injection hole is located at apex sealing strip
The inside of stub end, relief hole are located at the outside of liquid injection hole, and when liquid injection hole fluid injection, apex sealing strip moves outwardly to steel wire
Spacing collar and stub end to it is corresponding when apex sealing strip be detached from relief hole, liquid injection hole is communicated through radial seal groove with relief hole.
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CN104141804A (en) * | 2014-07-01 | 2014-11-12 | 中国科学院等离子体物理研究所 | Valve plate structure for quick sealing vacuum valve |
CN105508641A (en) * | 2015-12-31 | 2016-04-20 | 宁波市鄞州华坚阀门有限公司 | Stop valve |
CN106234911A (en) * | 2016-07-29 | 2016-12-21 | 北京速原中天科技股份公司 | A kind of pressure relief device for supertension sterilize device |
CN111609161B (en) * | 2020-05-09 | 2021-12-14 | 北阀集团北京阀门有限公司 | High-temperature-resistant valve for industrial sewage treatment system |
CN114673814B (en) * | 2022-05-30 | 2022-08-16 | 宜宾职业技术学院 | Power lithium battery safety valve and use method thereof |
CN117128330B (en) * | 2023-10-23 | 2023-12-22 | 江苏屹伟不锈钢管业有限公司 | Stainless steel cut-off valve |
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CN203703197U (en) * | 2014-02-18 | 2014-07-09 | 潘健 | Board-type bidirectional self-pressing sealing valve |
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GB686399A (en) * | 1950-02-24 | 1953-01-21 | Cockburns Ltd | Improvements in stop valves |
US3334861A (en) * | 1964-06-24 | 1967-08-08 | Beloit Corp | Rotary scroll valve |
CN102979927A (en) * | 2012-10-11 | 2013-03-20 | 田原宇 | Large-diameter rotary type quick switch valve |
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