CN103836216A - Plate type two-way self-pressure sealing valve - Google Patents
Plate type two-way self-pressure sealing valve Download PDFInfo
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- CN103836216A CN103836216A CN201410054601.0A CN201410054601A CN103836216A CN 103836216 A CN103836216 A CN 103836216A CN 201410054601 A CN201410054601 A CN 201410054601A CN 103836216 A CN103836216 A CN 103836216A
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- valve plate
- valve
- sealing
- hole
- quiet
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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
Abstract
The invention discloses a plate type two-way self-pressure sealing valve. The plate type two-way self-pressure sealing valve comprises a valve body and is characterized in that at least a pair of matched disc type valve plates are arranged in the valve body, at least one valve plate of each pair of disc type valve plates can rotate around the center axis of the valve plate, the two valve plates are respectively provided with at least one through hole, closing plates fixed to the corresponding valve plates are arranged outside the through holes, and the end face of each closing plate is a sealing surface; when the valve plates are rotated to the open positions, the corresponding through holes in the two valve plates form a water flowing channel; when the valve plates are rotated to the closed positions, the through holes in the two valve plates are staggered, and the sealing surfaces of the two closing plates are in contact seal to separate the through holes in the two valve plates.
Description
Technical field
The present invention relates to a kind of valve, especially a kind of by rotating and rotate with quiet valve plate the board-like two-way self-pressed sealed valve coordinating with the moving valve plate of inside and outside fan-shaped pylone, inside and outside covering of the fan shut.
Background technique
existing valvular switch is all the spatial position change of utilizing valve body and flap, sealing surface of seat and valve clack sealing surface are departed from and realize valve switch with overlapping, when valve opening, foreign matter enters between static and dynamic sealing face, causes sealing face damage to make valve leak while closing.
Summary of the invention
In order to overcome above-mentioned shortcoming, according to Tai Ji sun sun root, alternate, length, intercommunication, complementary balanced principle mutually mutually, the invention provides the board-like two-way self-pressed sealed valve of one, the present invention compared with prior art, has advantages of good sealing effect.
For achieving the above object, the technical program is as follows:
A kind of board-like two-way self-pressed sealed valve, comprises valve body, comprises the disc type valve plate of at least one pair of cooperation in valve body, has at least a valve plate to rotate around its central axis in every pair of disc type valve plate; On two valve plates, be respectively provided with at least one through hole, through hole is provided with the shut being fixed on valve plate outward; The end face of shut is sealing surface; When valve plate turns to open position, the through hole correspondence on two valve plates formed water channel; When valve plate turns to closing position, through hole on two valve plates is staggered, and sealing surface contact sealing on two shuts, and the through hole being positioned on two valve plates is separated.
Further, be provided with three valve plates: comprise the quiet valve plate of both sides and the moving valve plate between two quiet valve plates, moving valve plate bi-side respectively arrange shut and sealing surface, and moving valve plate respectively forms pair of discs formula sealing valve plate with the quiet valve plate of a corresponding side.
Further, between described moving valve plate and the quiet valve plate of both sides, be provided with gap; Moving valve plate middle part is fixed with central shaft, and central shaft and moving valve plate are for being slidably matched, and moving valve plate can slide along its axial direction in gap; In the time of throttle down, high-pressure liquid will move valve plate and push low voltage side to, make valve two-way self-pressure-sealed.
Further, the middle part of valve body is provided with a quiet valve plate, is positioned at quiet valve plate both sides, middle part and is respectively provided with from inside to outside respectively a moving valve plate and a quiet valve plate; The wherein quiet valve plate of moving valve plate, medium position and be positioned on the quiet valve plate of sidepiece and offer corresponding through hole; And the quiet valve plate both sides of moving valve plate, medium position respectively arrange shut and sealing surface, adjacent like this valve plate forms pair of discs formula sealing valve plate separately; After the moving valve plate in both sides is closed, in the moving valve plate in both sides, the shut of at least one moving valve plate, by the through hole sealing of the quiet valve plate in centre, forms sealing chamber.
Further, on the sealing surface that described dynamic and static valve plate occurs to shear at through hole in the time opening and closing, be provided with shearing knife edge.
Further, the sealing surface of shut is provided with at least one monitoring sealing circular groove, and valve body is provided with at least one leak detection passage communicating with monitoring seal groove.
Further, described through hole is interspersed on valve plate; Described interlocking can be adjacent being separated by or far and near different inside and outside interlocking of distance.
Further, described through hole is fan-shaped pylone.
Further, valve plate is at least provided with on the end face of shut and is provided with at least one radial reinforced rib along valve plate diametric(al), and it is concentrically ringed ring stiffener that outer ring, middle part and the inner ring of valve plate side is provided with valve plate central shaft;
Valve plate is divided into inside and outside sector region by ring stiffener and radial reinforced rib;
Described through hole is positioned at inside and outside sector region, and fan-shaped pylone and outer fan-shaped pylone in forming respectively, remain as covering of the fan sealing plate;
Described inside and outside fan-shaped pylone adjacent distributions respectively, and inside and outside fan-shaped pylone is positioned at different semicircle regions,
When moving valve plate turns to open mode, the inside and outside fan-shaped pylone on moving valve plate is corresponding with the inside and outside fan-shaped pylone of quiet valve plate, forms passage; When moving valve plate turns to closed condition, the through hole on moving valve plate and the through hole of quiet valve plate stagger, and corresponding formation seals for the shut on valve plate and sealing surface; Inside and outside covering of the fan shut on moving valve plate, by the inside and outside sector channel sealing of quiet valve plate.
Further, described radial reinforced rib is evenly provided with three, with ring stiffener by valve plate be separated into fan-shaped in six and six outer fan-shaped, wherein, having fan-shaped in adjacent three is interior fan-shaped pylone, adjacent three outer fan-shaped three the outer fan-shaped pylones that are provided with on the semicircle on opposite; When valve body is during in closed condition, each self-corresponding fan-shaped pylone is formed sealed chamber by Sealing.
Further, described sealing surface is provided with at least one Sealing.
Further, described Sealing is seal ring, has the sealing circular groove that holds seal ring on each ring stiffener, offers the closed hole communicating with sealing circular groove together on valve body.
Further, valve is under open mode, and the area of through hole sum is not less than valve body end face mouth of pipe sectional area.
Further, described moving valve plate middle part axle center hole is connected with quiet valve plate concentric hole by joint shaft bearing warp beam, and moving plate valve can universal self-regulated, makes plate valve be adjacent to quiet plate valve and seal.
Further, described moving valve plate outer ring is provided with outer ring gear, is combined with transmitting gear with outer ring gear.
Further, in the middle of packing gland sealing surface and valve body adpting flange sealing surface, arrange and check leak stopping circular groove, check that leak stopping circular groove is connected with checking leak stopping passage, for detection of leaking and sealing, check the each above annular sealing strip together that arranges in leak stopping circular groove both sides.
Further, after the moving valve plate in both sides is closed, the shut of the moving valve plate in both sides, sealing surface, Sealing, by the through hole sealing of the quiet valve plate in centre, form sealing chamber, and middle quiet valve plate is provided with the detection closed channel that leads to sealing chamber.
Further, the quiet valve plate outside of outermost close water inlet and outlet flange was provided with water space, formed double layer construction.
Further, on the sealing surface that described dynamic and static valve plate occurs to shear at open mode, through hole, be provided with radial seal groove, be provided with apex sealing strip in radial seal groove, described apex sealing strip is being at least inner concavity towards a side of radial seal groove; Apex sealing strip is stepped, and being wherein positioned at notch position is that little head end, bottom land position are stub end; Notch end inner side is provided with the steel wire position limit cycle for stopping stub end; Valve body is provided with the liquid filling hole and the relief hole that communicate with radial seal groove, wherein liquid filling hole is positioned at the inner side of the stub end of apex sealing strip, relief hole is positioned at the outside of liquid filling hole, in the time of liquid filling hole fluid injection, apex sealing strip outwards moves to steel wire position limit cycle and stub end at once, apex sealing strip and relief hole depart from, and liquid filling hole communicates with relief hole through radial seal groove.
Working principle of the present invention and working procedure are as follows:
The present invention mainly comprises the valve body and the valve plate composition that are connected with pipeline, and wherein valve plate comprises again the moving valve plate composition that is positioned at the quiet valve plate of valve body and coordinates with it.
Basic functional principle of the present invention is as follows: on moving valve plate and quiet valve plate, be provided with inside and outside fan-shaped pylone and for sealing the inside and outside covering of the fan coffer of through hole, the inside and outside fan-shaped pylone and the inside and outside covering of the fan shut that are positioned on two valve plates are crisscross arranged; In the time that moving valve plate turns to open mode, the inside and outside fan-shaped pylone on two valve plates is the corresponding conducting that realizes valve respectively; In the time that moving valve plate turns to closed condition, the moving inside and outside fan-shaped pylone of valve plate and the inside and outside covering of the fan shut of quiet valve plate overlap and make through hole sealing realize closing of valve, after valve closing, high-pressure liquid will move valve plate and push low voltage side to, make valve two-way self-pressure-sealed.
The quantity of quiet valve plate, moving valve plate can be set as required, preferred three quiet valve plates such as requiring valve tight-closed when, two moving valve plates, middle valve plate both ends of the surface are all established sealing surface, the moving valve plate of a dual face seals is respectively established in middle valve plate both sides, and valve two ends are respectively established an one side and sealed quiet valve plate.Moving valve plate of two quiet valve plates of common valve, centre arranges the moving valve plate of dual face seals, and both sides respectively arrange an one side and seal quiet valve plate.
In the time that moving valve plate rotates with respect to quiet valve plate, distribution is positioned at through hole split on two valve plates and can forms the process of shearing, the moving valve plate of shearing in through hole generation and the end of quiet valve plate are provided with shearing knife edge, so just the impurity in pipeline can be cut off, prevent that impurity from scratching the sealing effect of Sealing reduction valve, is conducive to extend the working life of valve entirety.
This valve is mainly used in bigbore pipeline and carries, and such as using on main pipeline, now pressure is very large, for preventing valve plate distortion, stiffening rib need to be set on valve plate, and this valve plate is provided with radial reinforced rib and ring stiffener, has strengthened anti-pressure ability.
On the end face of sound valve plate, be provided with annular sealing surface (interior ring, middle ring, outer shroud), more than one monitoring sealing circular groove is set on annular sealing surface, in monitoring sealing circular groove, can add Stamping Steel Ribbon, as driven a monitoring sealing circular groove in the middle of quiet valve plate annular sealing surface, and be connected with monitoring sealing channel, can monitoring leakage situation, can grind to injecting grinding paste in valve by monitoring sealing channel, be provided with seal ring as monitored in sealing circular groove, in the time of valve leak, high-pressure liquid is released seal ring, be close on moving sealing surface of valve plate, stop valve leak, as moving, quiet valve plate has monitoring sealing circular groove relatively, in relative monitoring sealing circular groove, add a rotary packing ring, can stop fluid leakage.As being provided with two monitoring sealing circular grooves on annular sealing surface, one adds one of Stamping Steel Ribbon and detects leakage.As being provided with three monitoring sealing circular grooves on annular sealing surface, the middle detection of Stamping Steel Ribbon that adds on both sides is leaked.
Like this, radial reinforced rib and ring stiffener have formed sealing plate, point Stamping Steel Ribbon during radial reinforced rib is provided with, ring stiffener is provided with annular sealing strip, in a point Stamping Steel Ribbon coordinate formation sealing surface with annular sealing strip, like this, a point Sealing combines with the Sealing being arranged on annular sealing surface (interior ring, middle ring, outer shroud), through hole can be sealed, and ensures sealing effect; Meanwhile, after the moving valve plate in both sides is closed, the shut of the moving valve plate in both sides is by the through hole sealing of the quiet valve plate in centre, form sealing chamber, middle quiet valve plate is provided with the detection closed channel that leads to sealing chamber, when operation, leakage liquid can be discharged, and can inwardly rush liquid and detect valve leak when stoppage in transit.In can add Stamping Steel Ribbon in the monitoring seal groove of point sealing surface, be connected with the monitoring sealing channel on quiet valve plate, can detect leak with grind in divide sealing surface, available high-pressure liquid seals.
The area of through hole sum is not less than the sectional area of the valve body end face mouth of pipe, can make like this medium discharge value in the time of inflow, outflow valve body can not change, and effectively reduces resistance.
Between the quiet valve plate end face in valve body both sides end face and both sides, be connected with stiffening rib for double layer design, and leave sufficient space and make fluid circulation, the space of blocking to supplement interior covering of the fan coffer.
Outside at moving valve plate is provided with location jackscrew, like this can be by rotation jackscrew, and insert positioning hole and make location, the switching position.In the time stopping transport, available jackscrew will move valve plate top is adjacent to static and dynamic sealing face to quiet valve plate, is beneficial to and detects test.
Moving valve plate is connected with axle by joint shaft bearing, move like this valve plate can universal self-regulated comprehensive and quiet valve plate gluing, sealing.Moving valve plate outer ring is provided with outer ring gear, joins and have a transmitting gear with outer ring gear.
When the diameter of pipeline is less and the central axis of pipeline and the central axis of valve not at once, when valve coordinates with pipeline, just there will be valve plate to block the problem of damming, flow is reduced formation reducing, flows not smooth.
Valve body two ends are set to be provided with the double layer construction of water space, and connected with stiffening rib; Between two-layer, leaving water space can first make the media flow flowing into before quiet valve plate be on water space, then enter into spool inner side through the whole through hole of quiet valve plate again by crossing water space, so just there will not be pipeline to be close to the situation that quiet valve plate stops up throughhole portions, make fluid circulation, the space of blocking to supplement interior covering of the fan coffer.
The outside at valve body two ends is provided with plate washer, pipeline coupling flange.
Double layer construction, refers to outermost and was provided with water space near the quiet valve plate outside of water inlet and outlet flange, in the situation that pipe diameter is less than diameter valve, use, the space of blocking to supplement interior covering of the fan coffer, plays the effect of CONCENTRIC REDUCER.
In edge, a point sealing surface is provided with radial seal groove and apex sealing strip, Stamping Steel Ribbon is designed to wedge shape or stepped, Stamping Steel Ribbon is divided into stub end and little head end, wherein stub end is positioned at bottom land, little head end is positioned at notch, communicate with seal groove and be provided with liquid filling hole and relief hole, in the time of fluid injection, hydraulic oil enters in liquid filling hole, Stamping Steel Ribbon is expanded extruding by inner concavity through sealing head stub end, now, by bottom land, to notch motion, (now Stamping Steel Ribbon not yet moves to relief hole and departs from Stamping Steel Ribbon, Stamping Steel Ribbon seals relief hole simultaneously), make the outermost end of Stamping Steel Ribbon be close to valve plate, thereby further strengthen sealing effect, if valve plate motion, after mutually departing from, the end of Stamping Steel Ribbon just can not touch the sealing plate of offside valve plate, continues after outwards motion if now continue topping up Stamping Steel Ribbon, and Stamping Steel Ribbon will depart from relief hole, be provided with after liquid filling hole, now liquid filling hole communicates with relief hole through seal groove, and Stamping Steel Ribbon just can not move forward, and after preventing valve plate rotation and departing from, misoperation is to topping up pushes Stamping Steel Ribbon deviate from seal groove in liquid filling hole problem always.
To sum up, the invention arranges moving valve plate and quiet valve plate in valve body, and by be provided with the inside and outside fan-shaped pylone that geomery is identical, inside and outside covering of the fan shut on dynamic and static valve plate, on quiet valve plate, be provided with and detect closed channel and monitoring sealing channel, on sealing surface, be provided with monitoring sealing circular groove, in monitoring sealing circular groove, be provided with rotary packing ring, in the time of valve leak, high-pressure liquid is through monitoring sealing channel, enter in monitoring sealing circular groove, seal ring is released, be close on moving sealing surface of valve plate, stop valve leak.When moving valve plate rotation, the inside and outside fan-shaped pylone of dynamic and static valve plate is corresponding or stagger and realize the unlatching of valve or close, compared with prior art, while having switch, dynamic and static valve plate annular sealing surface is adjacent to the rotation of sliding, stop foreign matter to enter sealing surface, prevent ring packing surface damage, in sound valve plate, a point sealing surface is equipped with alloy shear knife, when valve switch, foreign matter can be cut off to point sealing face damage in preventing.In the middle of every group of annular sealing surface, have monitoring sealing circular groove, place fluctuate hermetical ring in groove, good sealing effect, can realize self-inspection and self-grind, slip spin friction coefficient P cock is laborsaving.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present application or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, the accompanying drawing the following describes is only some embodiments that record in the application, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing;
Fig. 1 is embodiment's 1 structural representation;
Fig. 2 is embodiment 1 respective outer side edges figure;
Fig. 3 is quiet valve board structure schematic diagram;
Fig. 4 is moving valve board structure schematic diagram;
Fig. 5 is embodiment's 2 structural representations;
Fig. 6 is radial seal groove and apex sealing strip structural representation;
Fig. 7 is radial seal groove and apex sealing strip pressure relief schematic diagram.
Embodiment
The correlation technique content of not addressing below all can adopt or use for reference prior art.
In order to make those skilled in the art person understand better the technological scheme in the application, below in conjunction with the accompanying drawing in the embodiment of the present application, technological scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment who obtains under creative work prerequisite, all should belong to the scope of the application's protection.
Embodiment 1
As Figure 1-4, a kind of board-like two-way self-pressed sealed valve, comprises two moving valve plates 11, three quiet valve plates.Three quiet valve board structures of these two moving valve plates, preferably moving valve plate and quiet valve plate are symmetrical arranged.
The middle part of valve body is middle quiet valve plate 12, and both sides are the quiet valve plate 15 in side, and middle quiet valve plate 12 is two surface seal structures, can with the moving valve plate 11 of its both sides disc type sealing valve plate coordinating that partners respectively; .
The moving valve plate 11 of the both sides of middle quiet valve plate 12 adopts dual face seals move valve plate, and moving valve plate 11 is two surface seal structures, can also can seal valve plate with the quiet valve plate 15 in the both sides disc type coordinating that partners respectively with the quiet valve plate 12 in centre.
Moving valve plate 11, between the quiet valve plate 15 in both sides and middle quiet valve plate 12, moves valve plate 11 both sides double layer design, and each side can seal with quiet valve plate corresponding matching.
The quiet valve plate outside of outermost close water inlet and outlet flange was provided with water space 22, and this is crossed water space and can be circular groove, forms double layer construction, left sufficient space and made fluid circulation, the space of blocking to supplement interior covering of the fan coffer.
The preferred disc type of dynamic and static valve plate, and valve plate center and valve body center superposition.
Moving valve plate 11 can rotate around its central rotating shaft, and rotating manner is as follows: the center hole of moving valve plate 11 is connected with quiet valve plate concentric hole by joint shaft bearing warp beam.
Described moving valve plate 11 and quiet valve plate are provided with stiffening rib, and the present embodiment is provided with two-sided stiffening rib on the quiet valve plate 12 in centre, on moving valve plate 11, and stiffening rib be sealing surface outward, has monitoring sealing circular groove on sealing surface, and monitoring seals in circular groove and is provided with seal ring.
Described stiffening rib comprises that the radial reinforced rib of the present embodiment is selected 3 along moving valve plate and equally distributed at least one radial reinforced rib 17 of the straight radial direction of quiet valve plate; At radial reinforced rib 17 outer ends and middle part, integrated setting has ring stiffener 18: outer shroud stiffening rib, middle ring stiffening rib and interior ring stiffening rib.
Like this, outer shroud stiffening rib, middle ring stiffening rib and interior ring stiffening rib, will move valve plate and quiet valve plate is divided into endocyclic area and outer region, on each region, is divided into 6 sector elements again by radial reinforced rib.
Shown in Fig. 3, Fig. 4, on moving valve plate and quiet valve plate, be respectively equipped with inside and outside fan-shaped pylone and inside and outside covering of the fan sealing closure plate: shown in quiet valve plate Fig. 4, be provided with six through holes, through hole set-up mode is as follows: be provided with altogether six through holes, wherein three inner via holes 19 are arranged on continuous three sector elements in ring stiffening rib and ring stiffening rib region, other three accessibke porosities 20 are arranged in the outer shroud stiffening rib of second half valve plate and ring stiffening rib forms on continuous three sector elements in region, and the setting of covering of the fan shut and fan-shaped pylone are to instead; Moving valve plate is just in time oppositely arranged with quiet valve plate, shown in Fig. 3.
The size of through hole can be set as required, and the inside and outside fan-shaped pylone of sound valve plate of the present invention aligns; Valve is under open mode, and the area of through hole sum is not less than valve body end face mouth of pipe sectional area.
On described outer shroud stiffening rib, middle ring stiffening rib and interior ring stiffening rib, be respectively provided with sealing surface, on sealing surface, have twice monitoring sealing circular groove, in monitoring sealing circular groove, Sealing is housed, quiet valve plate is provided with monitoring sealing channel, and monitoring sealing channel communicates with the twice monitoring sealing circular groove on stiffening rib sealing surface respectively.
On the split that described dynamic and static valve plate occurs to shear at through hole in the time opening and closing, be provided with shearing knife edge 21, point Sealing during the outside (away from a side of through hole) of shearing knife edge 21 is provided with along the radial reinforced rib at through hole edge; When valve body is during in closed condition, in point Sealing, lip ring form sealed chamber, on dynamic and static valve plate, through hole and shut are positioned at sealed chamber.
Radial reinforced rib the inner is provided with interior ring stiffener, and interior ring stiffener sealing surface is provided with interior annular seal; Interior annular seal, in point Sealing, the lip ring of middle ring, outer annular seal, after the moving valve plate in both sides is closed, the shut of the moving valve plate in both sides, sealing surface, Sealing seal the through hole of the quiet valve plate in centre, form sealing chamber, middle quiet valve plate 12 is provided with the monitoring sealing channel 14 that leads to the detection closed channel 13 of sealing chamber and lead to monitoring sealing circular groove.
The detection closed channel that leads to sealing chamber that middle quiet valve plate is provided with, can discharge leakage liquid when operation, when stoppage in transit, can detect valve leak to internal-filling liquid.
Described valve body is provided with two alignment pin, and in the time of moving valve plate standard-sized sheet, complete shut-down, alignment pin injects corresponding positioning hole.
Described moving valve plate outer ring is provided with outer ring gear 16, joins and have a transmitting gear with outer ring gear 16, realizes the rotation of moving valve plate by gear transmission, and certainly, while being provided with two moving valve plates, the moving valve plate that can realize both sides by the transmission of gear synchronously rotates; Can select as required hand rotation or electric rotary.
Shown in Fig. 6,7, in point sealing surface be provided with on the sealing surface of shearing knife edge and be provided with radial seal groove 61, in radial seal groove, be provided with apex sealing strip 62, described apex sealing strip in the inner side towards radial seal groove and the outside that is positioned at notch be inner concavity; Apex sealing strip is stepped, and being wherein positioned at notch position is that little head end, bottom land position are stub end; Notch end inner side is provided with the steel wire position limit cycle 63 for stopping stub end; Valve body is provided with the liquid filling hole 64 and the relief hole 65 that communicate with radial seal groove, wherein liquid filling hole is positioned at the inner side of the stub end of apex sealing strip, relief hole is positioned at the outside of liquid filling hole, in the time of liquid filling hole fluid injection, apex sealing strip outwards moves to steel wire position limit cycle and stub end at once, apex sealing strip and relief hole depart from, and liquid filling hole communicates with relief hole through radial seal groove.Can be in the time of valve closing, by the inside fluid injection of liquid filling hole, radial seal groove outwards motion is further fitted with sealing surface, increases sealing effect.
When use, by the two ends mouth of pipe and the pipeline communication of valve body, need to open valve time, transmitting gear drives moving valve plate to rotate, along with rotation, the dynamic and static valve plate through hole formation passage that overlaps gradually, along with the carrying out of rotating, locating stud enters into positioning hole, and position reaches capacity, now inside and outside fan-shaped pylone all overlaps, and passage is opened completely; Need to close time, rotate backward moving valve plate, along with the carrying out of rotating, shearing knife edge is sheared impurity, cuts off after impurity, and impurity is pushed removing by shearing knife edge, prevent impurity damage sealing surface, locating stud enters into positioning hole, and position reaches capacity, the now inside and outside covering of the fan shut on moving valve plate, by the inside and outside sector channel sealing of quiet valve plate, in the time that liquid bidirectional flows throttle down, highly pressurised liquid will move plate valve and push low voltage side to, sound valve plate is adjacent to and closes tight, form two-way from densification.
Two moving valve plates can be opened simultaneously or close, also can operations of a standard-sized sheet, realize the using and the reserved.
Embodiment 2
Except for the following differences, other are identical with embodiment 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, comprises the quiet valve plate 221 of sealed type, the moving valve plate 222 of dual face seals formula.
The moving valve plate 222 of dual face seals formula is positioned at middle part, and both sides are the quiet valve plate 221 of sealed type.
The quiet valve plate 221 of sealed type is set to double layer construction, connects into the through-flow chamber of hollow, the space of blocking to supplement interior covering of the fan coffer with stiffening rib.
Valve body arranged outside has pipe joint, driving gear, flange etc., inner side is provided with inside and outside fan-shaped pylone, inside and outside covering of the fan shut, annular sealing surface, on sealing surface, have three road monitoring sealing circular grooves, outside twice are communicated with monitoring sealing channel, and inlay two annular sealing strips, in the time of valve leak, high-pressure liquid enters monitoring sealing circular groove through monitoring sealing channel, seal ring is released, be close on moving sealing surface of valve plate, stop valve leak, the middle sealing of monitoring together circular groove is communicated with monitoring sealing channel, detects valve leak situation.The moving valve plate of dual face seals is provided with inside and outside fan-shaped pylone, inside and outside covering of the fan shut, both sides end face, be provided with symmetrical in point radial reinforced rib and ring stiffener, ring stiffener and in a point radial reinforced rib be provided with sealing surface, the outer ring of moving valve plate is provided with outer ring gear.In the middle of packing gland sealing surface and valve body adpting flange sealing surface, arrange and check leak stopping circular groove, check that leak stopping circular groove is connected with inspection leak stopping passage, for detection of leaking and sealing, checks that leak stopping circular groove both sides arrange annular sealing strip on one one.
Working principle and working procedure: in two static-sealing type valve bodies, outer fan-shaped pylone, relatively, in the same way, align and connect with flange, form sealing chamber, the moving valve plate of dual face seals is set in chamber, moving valve plate both sides end face seal is corresponding with the quiet sealing surface of valve plate of left and right valve body, moving, static seal face is adjacent in the sealing monitoring sealing circular groove of formation, rotary packing ring is housed, the inside and outside fan-shaped pylone of moving valve plate, the inside and outside fan-shaped pylone of inside and outside covering of the fan shut and the quiet valve plate of valve body, inside and outside covering of the fan shut is corresponding, need to open valve time, the moving valve plate of manual or electric rotary gear driven rotates, along with rotation, the through hole of moving valve plate through hole and the quiet valve plate of left and right sides valve body, overlap gradually and form passage, along with the carrying out of rotating, locating stud enters into positioning hole, position reaches capacity, now moving, the inside and outside fan-shaped pylone of quiet valve plate all overlaps, passage is opened completely, need to close time, rotate backward moving valve plate, along with the carrying out of rotating, shearing knife edge is sheared impurity, cuts off after impurity, impurity is pushed removing by shearing knife edge, prevent impurity damage sealing surface, locating stud enters into positioning hole, and position reaches capacity, the now inside and outside covering of the fan shut on moving valve plate, by the inside and outside sector channel sealing of quiet valve plate.In the time that liquid bidirectional flows throttle down, highly pressurised liquid will move plate valve and push low voltage side to, sound valve plate is adjacent to and close tight, form two-way self-pressure-sealed.
Outer shroud sealing surface, middle ring sealing surface, interior ring sealing surface, in point sealing surface, can directly ring stiffener turning be polished and be processed into sealing surface, or welding, inlay stainless steel, the copper flat sealing surface that is processed into of skiving of waiting for bus, can be by least one turning in the middle of ring packing plane circle monitoring sealing circular groove, monitoring sealing circular groove communicates with monitoring sealing channel, or install rotary packing ring additional in monitoring sealing circular groove.
Process of self-test: open monitoring sealing channel when operation after throttle down, valve is tight as no liquid flows out.When stoppage in transit, will move valve plate with jackscrew pushes up to quiet valve plate side, static and dynamic sealing face is adjacent to, seal feed flow in circular groove by monitoring sealing channel to monitoring, if there is not decompression or reveal in valve, illustrate that sealing effect is good, if there is leakage, in monitoring sealing circular groove, insert abrasive sand, grinding seal surface.
Embodiment three
For the quiet valve plate of board-like two-way self-pressed sealed valve, comprise a moving valve plate and a quiet valve plate.Embodiment 2 is removed one of them quiet valve plate.
The above is only the application's preferred implementation, makes those skilled in the art can understand or realize the application.To be apparent to one skilled in the art to these embodiments' multiple amendment, General Principle as defined herein can, in the case of not departing from the application's spirit or scope, realize in other embodiments.Therefore, the application will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (19)
1. a board-like two-way self-pressed sealed valve, comprises valve body, it is characterized in that: in valve body, comprise the disc type valve plate of at least one pair of cooperation, have at least a valve plate to rotate around its central axis in every pair of disc type valve plate; On two valve plates, be respectively provided with at least one through hole, through hole is provided with the shut being fixed on valve plate outward; The end face of shut is sealing surface; When valve plate turns to open position, the through hole correspondence on two valve plates formed water channel; When valve plate turns to closing position, through hole on two valve plates is staggered, and sealing surface contact sealing on two shuts, and the through hole being positioned on two valve plates is separated.
2. board-like two-way self-pressed sealed valve according to claim 1, it is characterized in that: be provided with three valve plates: comprise the quiet valve plate of both sides and the moving valve plate between two quiet valve plates, moving valve plate bi-side respectively arrange shut and sealing surface, and moving valve plate respectively forms pair of discs formula sealing valve plate with the quiet valve plate of a corresponding side.
3. board-like two-way self-pressed sealed valve according to claim 2, is characterized in that: between described moving valve plate and the quiet valve plate of both sides, be provided with gap; Moving valve plate middle part is fixed with central shaft, and central shaft and moving valve plate are for being slidably matched, and moving valve plate can slide along its axial direction in gap; In the time of throttle down, high-pressure liquid will move valve plate and push low voltage side to, make valve two-way self-pressure-sealed.
4. board-like two-way self-pressed sealed valve according to claim 1, is characterized in that: the middle part of valve body is provided with a quiet valve plate, is positioned at quiet valve plate both sides, middle part and is respectively provided with from inside to outside respectively a moving valve plate and a quiet valve plate; The wherein quiet valve plate of moving valve plate, medium position and be positioned on the quiet valve plate of sidepiece and offer corresponding through hole; And the quiet valve plate both sides of moving valve plate, medium position respectively arrange shut and sealing surface, adjacent like this valve plate forms pair of discs formula sealing valve plate separately; After the moving valve plate in both sides is closed, in the moving valve plate in both sides, the shut of at least one moving valve plate, by the through hole sealing of the quiet valve plate in centre, forms sealing chamber.
5. according to the board-like two-way self-pressed sealed valve described in claim 2-4 any one, it is characterized in that: on the sealing surface that described dynamic and static valve plate occurs to shear at through hole in the time opening and closing, be provided with shearing knife edge.
6. according to the board-like two-way self-pressed sealed valve described in claim 1-4 any one, it is characterized in that: the sealing surface of shut is provided with at least one monitoring sealing circular groove, valve body is provided with at least one leak detection passage communicating with monitoring seal groove.
7. according to the board-like two-way self-pressed sealed valve described in claim 1 or 4, it is characterized in that: described through hole is interspersed on valve plate.
8. board-like two-way self-pressed sealed valve according to claim 7, is characterized in that: described through hole is fan-shaped pylone.
9. according to the board-like two-way self-pressed sealed valve described in claim 1-4 any one, it is characterized in that: valve plate is at least provided with on the end face of shut and is provided with at least one radial reinforced rib along valve plate diametric(al), and it is concentrically ringed ring stiffener that outer ring, middle part and the inner ring of valve plate side is provided with valve plate central shaft;
Valve plate is divided into inside and outside sector region by ring stiffener and radial reinforced rib;
Described through hole is positioned at inside and outside sector region, and fan-shaped pylone and outer fan-shaped pylone in forming respectively, remain as covering of the fan sealing plate;
Described inside and outside fan-shaped pylone adjacent distributions respectively, and inside and outside fan-shaped pylone is positioned at different semicircle regions,
When moving valve plate turns to open mode, the inside and outside fan-shaped pylone on moving valve plate is corresponding with the inside and outside fan-shaped pylone of quiet valve plate, forms passage; When moving valve plate turns to closed condition, the through hole on moving valve plate and the through hole of quiet valve plate stagger, and corresponding formation seals for the shut on valve plate and sealing surface.
10. board-like two-way self-pressed sealed valve according to claim 9, it is characterized in that: described radial reinforced rib is evenly provided with three, with ring stiffener by valve plate be separated into fan-shaped in six and six outer fan-shaped, wherein, having fan-shaped in adjacent three is interior fan-shaped pylone, adjacent three outer fan-shaped three the outer fan-shaped pylones that are provided with on the semicircle on opposite; When valve body is during in closed condition, each self-corresponding fan-shaped pylone is formed sealed chamber by Sealing.
11. board-like two-way self-pressed sealed valves according to claim 1, is characterized in that: described sealing surface is provided with at least one Sealing.
12. board-like two-way self-pressed sealed valves according to claim 11, it is characterized in that: described Sealing is seal ring, on each ring stiffener, have the sealing circular groove that holds seal ring, on valve body, offer the closed hole communicating with sealing circular groove together.
13. according to the board-like two-way self-pressed sealed valve described in claim 1-4 any one, it is characterized in that: valve is under open mode, and the area of through hole sum is not less than valve body end face mouth of pipe sectional area.
14. according to the board-like two-way self-pressed sealed valve described in claim 1-4 any one, it is characterized in that: described moving valve plate middle part axle center hole is connected with quiet valve plate concentric hole by joint shaft bearing warp beam.
15. according to the board-like two-way self-pressed sealed valve described in claim 1-4 any one, it is characterized in that: described moving valve plate outer ring is provided with outer ring gear, is combined with transmitting gear with outer ring gear.
16. according to the board-like two-way self-pressed sealed valve described in claim 1-4 any one, it is characterized in that: valve body is locating to be provided with sealed packing, sealed packing arranges and checks leak stopping circular groove in the middle of gland seal face and valve body adpting flange sealing surface, check that leak stopping circular groove is connected with checking leak stopping passage, for detection of leaking and sealing, check the each above annular sealing strip together that arranges in leak stopping circular groove both sides.
17. board-like two-way self-pressed sealed valves according to claim 4, it is characterized in that: after the moving valve plate in both sides is closed, the shut of the moving valve plate in both sides, sealing surface, Sealing seal the through hole of the quiet valve plate in centre, form sealing chamber, middle quiet valve plate is provided with the detection closed channel that leads to sealing chamber.
18. according to the board-like two-way self-pressed sealed valve described in claim 1-4 any one, it is characterized in that:
Outermost on valve body is to be provided with water space near the quiet valve plate outside of entering flange, and valve body forms double layer construction.
19. according to the board-like two-way self-pressed sealed valve described in claim 1-4 any one, it is characterized in that:
On the sealing surface that described dynamic and static valve plate occurs to shear at open mode, through hole, be provided with radial seal groove, be provided with apex sealing strip in radial seal groove, described apex sealing strip is being at least inner concavity towards a side of radial seal groove; Apex sealing strip is stepped, and being wherein positioned at notch position is that little head end, bottom land position are stub end; Notch end inner side is provided with the steel wire position limit cycle for stopping stub end; Valve body is provided with the liquid filling hole and the relief hole that communicate with radial seal groove, wherein liquid filling hole is positioned at the inner side of the stub end of apex sealing strip, relief hole is positioned at the outside of liquid filling hole, in the time of liquid filling hole fluid injection, apex sealing strip outwards moves to steel wire position limit cycle and stub end at once, apex sealing strip and relief hole depart from, and liquid filling hole communicates with relief hole through radial seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410054601.0A CN103836216B (en) | 2014-02-18 | 2014-02-18 | Board-like two-way self-pressed sealed valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410054601.0A CN103836216B (en) | 2014-02-18 | 2014-02-18 | Board-like two-way self-pressed sealed valve |
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| CN103836216A true CN103836216A (en) | 2014-06-04 |
| CN103836216B CN103836216B (en) | 2018-09-11 |
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| CN201410054601.0A Expired - Fee Related CN103836216B (en) | 2014-02-18 | 2014-02-18 | Board-like two-way self-pressed sealed valve |
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Cited By (6)
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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 |
| CN111609161A (en) * | 2020-05-09 | 2020-09-01 | 安徽阀瑞流体控制设备有限公司 | High-temperature-resistant valve for industrial sewage treatment system |
| CN114673814A (en) * | 2022-05-30 | 2022-06-28 | 宜宾职业技术学院 | Power lithium battery safety valve and use method thereof |
| CN117128330A (en) * | 2023-10-23 | 2023-11-28 | 江苏屹伟不锈钢管业有限公司 | Stainless steel cut-off valve |
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| CN102979927A (en) * | 2012-10-11 | 2013-03-20 | 田原宇 | Large-diameter rotary type quick switch valve |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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| 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 |
| CN111609161A (en) * | 2020-05-09 | 2020-09-01 | 安徽阀瑞流体控制设备有限公司 | High-temperature-resistant valve for industrial sewage treatment system |
| 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 |
| CN114673814A (en) * | 2022-05-30 | 2022-06-28 | 宜宾职业技术学院 | Power lithium battery safety valve and use method thereof |
| CN117128330A (en) * | 2023-10-23 | 2023-11-28 | 江苏屹伟不锈钢管业有限公司 | Stainless steel cut-off valve |
| 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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