CN110397787A - The pipeline throttling shock resistance poppet valve device of bidirectional rotation dynamic pressure sealing - Google Patents
The pipeline throttling shock resistance poppet valve device of bidirectional rotation dynamic pressure sealing Download PDFInfo
- Publication number
- CN110397787A CN110397787A CN201910542338.2A CN201910542338A CN110397787A CN 110397787 A CN110397787 A CN 110397787A CN 201910542338 A CN201910542338 A CN 201910542338A CN 110397787 A CN110397787 A CN 110397787A
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- China
- Prior art keywords
- ring
- dynamic pressure
- left wing
- groove
- indent
- Prior art date
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- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 50
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 21
- 230000035939 shock Effects 0.000 title claims abstract description 17
- 238000013016 damping Methods 0.000 claims abstract description 21
- 239000012530 fluid Substances 0.000 claims description 12
- 238000010992 reflux Methods 0.000 claims description 9
- 241000397426 Centroberyx lineatus Species 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3404—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3436—Pressing means
- F16J15/3452—Pressing means the pressing force resulting from the action of a spring
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/44—Free-space packings
- F16J15/447—Labyrinth packings
- F16J15/4472—Labyrinth packings with axial path
-
- 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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
Abstract
The invention discloses the pipeline throttling shock resistance poppet valve devices of bidirectional rotation dynamic pressure sealing, including valve rod, top cover, upper housing, sealing structure, device housing, chassis, bottom plate and valve stem sleeve, the valve rod is passed through from the middle part of top cover, it is equipped with upper housing below top cover, it is hydraulically full in the annular housing on upper housing；Sealing structure is equipped in the middle part of the upper housing, running through in the middle part of sealing structure has valve rod, and sealing structure upper-end contact has top cover face；Device housing is fixed with by bolt assembly below the upper housing；The stem bottom is set with valve stem sleeve, and chassis is cased with outside valve stem sleeve, and undersurface of bottom disc is fixed with bottom plate by holding screw, and bottom plate is set to device housing inner chamber bottom surface.The mode that the present invention can rotate rising realizes valve opening, to avoid valve pocket eccentric wear；It is realized and is sealed by sealing structure, impact force is reduced by damping structure, the generation for avoiding inertia from touching.
Description
[technical field]
The present invention relates to the pipeline throttling shock resistances of the technical field of pipeline inner valve, especially bidirectional rotation dynamic pressure sealing
The technical field of poppet valve device.
[background technique]
In the prior art, pipeline used in many places has the demand of time opening.For the demand, conventional valve
For the valve of top uncoupling type.The valve of the form, by back and forth dial insert, valve pocket be easy eccentric wear the phenomenon that.In order to avoid eccentric wear, make
Valve pocket uniformly contacts, need to be rotating and mention upwards.However, under the mode that above mentions of rotation, and the problem of be easy to appear sealing.Together
When, valve is interior to be equipped with stationary ring and rotating ring, and when valve rod stops, stationary ring can mutually be touched with rotating ring under effect of inertia, therefore be needed
Avoid the occurrence of this.For this reason, it may be necessary to a kind of sealing structure reciprocal with rotation, while being capable of shock proof poppet
Device.
[summary of the invention]
The object of the invention is to solve the problems of the prior art, propose that the pipeline throttling of bidirectional rotation dynamic pressure sealing is anti-
Poppet valve device is impacted, the mode that can rotate rising realizes valve opening, to avoid valve pocket eccentric wear；Pass through sealing structure reality
It now seals, impact force is reduced by damping structure, the generation for avoiding inertia from touching.
To achieve the above object, the invention proposes the pipeline throttling shock resistance poppet dresses of bidirectional rotation dynamic pressure sealing
It sets, including valve rod, top cover, upper housing, sealing structure, device housing, chassis, bottom plate and valve stem sleeve, the valve rod is from top cover
Middle part passes through, and is equipped with upper housing below top cover, hydraulically full in the annular housing on upper housing；It is equipped in the middle part of the upper housing close
Seal structure, through there is valve rod, sealing structure upper-end contact has top cover face at sealing structure middle part；Pass through below the upper housing
Bolt assembly is fixed with device housing；The stem bottom is set with valve stem sleeve, and chassis is cased with outside valve stem sleeve, and undersurface of bottom disc is logical
It crosses holding screw and is fixed with bottom plate, bottom plate is set to device housing inner chamber bottom surface.
Preferably, being equipped with the bulge-structure of cylindrical, hollow, bulge-structure Inner Constitution cylindrical cavity body below the top cover.
Preferably, being equipped with the seal groove that quantity is 2 below the upper housing, sealing ring is equipped in seal groove, it is close
Seal inner ring is combined with valve rod；The seal groove is annular groove.
Preferably, described device housing bottom is equipped with bolt hole, it is combined with bolt in bolt hole, device housing passes through spiral shell
Bolt is fixed.
Preferably, the bottom plate is cylindrical, hollow shell structure, floor cavities are equipped with liner plate, and liner plate passes through clamp screw
Nail is fixed.
Preferably, the sealing structure include axle sleeve, end cap, rotating ring, stationary ring, rotating seat, throw-out collar, spring, stationary seat,
First tapered roller bearing, the second tapered roller bearing, pressure ring, labyrinth seal, Glais ring, axle sleeve holding screw, axle sleeve are O-shaped
Circle, labyrinth seal holding screw, rotating ring stop pin, rotating seat holding screw, rotating seat O-ring, stationary ring stop pin, stationary ring are O-shaped
Circle, stationary seat stop pin, bearing snap ring, pressure ring holding screw, labyrinth seal O-ring and damping ring, the axle sleeve pass through gap
On valve rod, axle sleeve is fixed on valve rod engagement sleeves by axle sleeve holding screw, and axis is embedded in the annular groove in sleeve lining face
Cover O-ring；The end cap is installed on inside upper housing by end cap holding screw；The rotating seat passes through rotating seat holding screw
It is fixed on lower end outside axle sleeve, rotating seat upper end is equipped with rotating ring, and rotating ring upper surface is combined with stationary ring；In the stationary seat upper end
Wall surface is equipped with the first tapered roller bearing, the second tapered roller bearing, and the first tapered roller bearing, the second tapered roller bearing are logical
It crosses bearing snap ring to be axially fixed on axle sleeve, the first tapered roller bearing, the second tapered roller bearing are pressed on quiet by pressure ring
In ring seat, pressure ring is fixed on stationary seat by pressure ring holding screw, and stationary seat is closely matched by stationary seat stop pin in end cap
It closes；Glais ring is embedded in annular groove on the end cap inner wall, Glais ring inner wall is combined with stationary seat；The stationary ring,
Throw-out collar, spring are mounted on stationary seat, and throw-out collar is pressed in above stationary ring, and throw-out collar upper end is combined with spring, and spring upper end face is embedded in
In in stationary seat, stationary ring lower end surface is combined with rotating ring, and stationary ring O-ring is equipped in the annular groove of stationary ring outside wall surface, and stationary ring passes through quiet
Ring stop pin and stationary seat are fitted close；The labyrinth seal is mounted on end cap by labyrinth seal holding screw, and labyrinth is close
Labyrinth seal O-ring is equipped between envelope and end cap；The pressure ring upper end is equipped with thread in damping ring on the left of damping ring
Road is provided with runner hole on the end cap on the left of damping ring, is provided with runner hole on the upper housing on the left of end cap.
Preferably, opened up on the seal face of the rotating ring be circumferentially uniformly distributed and can the surface of bidirectional rotation knit
Structure, the Surface Texture include hydrodynamic texture area, fluid reflux texture area, flow restriction texture area, the hydrodynamic
Texture area opens up the entrance air reservoir of swallow-tail form, left wing's active indent of banana-shaped, the right flank active indent of banana-shaped, crescent
The auxiliary dynamic pressure groove of the first left wing, the auxiliary dynamic pressure groove of the second left wing of crescent, the auxiliary dynamic pressure groove of third left wing of crescent, crescent
The auxiliary dynamic pressure groove of first right flank, the auxiliary dynamic pressure groove of the second right flank of crescent, crescent the auxiliary dynamic pressure groove of third right flank and through-flow slot, institute
State left wing's active indent, the auxiliary dynamic pressure groove of the first left wing, the auxiliary dynamic pressure groove of the second left wing, the auxiliary dynamic pressure groove of third left wing respectively with the right side
Wing active indent, the auxiliary dynamic pressure groove of the first right flank, the auxiliary dynamic pressure groove of the second right flank, the auxiliary dynamic pressure groove of third right flank are axisymmetricly distributed；Institute
State the outside diameter seal side medium that rotating ring is arranged in entrance air reservoir, entrance air reservoir and left wing's active indent, right flank active indent
The groove depth of root perforation, the entrance air reservoir is greater than 1mm；Between left wing's active indent and right flank active indent
Region is center choked flow weir, the through-flow slot opened up on center choked flow weir, through-flow slot connection left wing's active indent and right flank master
Dynamic pressure groove；Left wing's active indent is identical as the groove depth of right flank active indent, and left wing's active indent and right flank are actively pressed
The groove depth of slot is 3-20 μm；The groove depth of the through-flow slot is less than the fluting of left wing's active indent and right flank active indent
Depth；The auxiliary dynamic pressure groove of first left wing, the auxiliary dynamic pressure groove of the second left wing, the auxiliary dynamic pressure groove difference driven torus outer diameter of third left wing are lateral
Internal side diameter is sequentially distributed on the left of left wing's active indent near camber line, and the auxiliary dynamic pressure groove of first left wing, the second left wing are auxiliary
Dynamic pressure groove, the auxiliary dynamic pressure groove of third left wing crescent recess towards side where the entrance air reservoir of rotating ring outer diameter；The fluid
Reflux texture area opens up the second backflash of the first backflash of crescent, crescent, first backflash and the second reflux
Slot is evenly distributed in the circumferential zones between adjacent two slotted unit in hydrodynamic texture area, first reflux
Successively driven torus outside diameter is arranged to internal side diameter for slot, the second backflash, and the first backflash, the crescent recess of the second backflash are equal
The ring heart of face annular seal end face；The groove depth of first backflash and the second backflash is 3-20 μm；The stream
Body segment stream texture area opens up the throttling channel of several circular ring shapes, and the throttling channel is evenly spaced in the internal side diameter of rotating ring；The throttling
The groove depth of slot is 1-50mm.
Beneficial effects of the present invention: the mode that the present invention can rotate rising realizes valve opening, to avoid valve pocket inclined
Mill；It is realized and is sealed by sealing structure, impact force is reduced by damping structure, the generation for avoiding inertia from touching.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is the main view partial dissection of the pipeline throttling shock resistance poppet valve device of bidirectional rotation dynamic pressure sealing of the present invention
Structure chart；
Fig. 2 is the portion the A enlarged drawing in Fig. 1 of the present invention；
Fig. 3 is the portion the B enlarged drawing in Fig. 2 of the present invention；
Fig. 4 is the structural representation of the rotating ring of the pipeline throttling shock resistance poppet valve device of bidirectional rotation dynamic pressure sealing of the present invention
Figure；
Fig. 5 is the partial structurtes of the rotating ring of the pipeline throttling shock resistance poppet valve device of bidirectional rotation dynamic pressure sealing of the present invention
Schematic diagram.
In figure: 1- valve rod, 2- top cover, 21- cylindrical cavity body, 3- liquid, 4- upper housing, 41- seal groove, 5- sealing structure,
501- axle sleeve, 502- end cap, 503- rotating ring, 50301- entrance air reservoir, 50302- left wing active indent, 50303- right flank are actively
Indent, the center 50304- choked flow weir, the auxiliary dynamic pressure groove of the first left wing of 50305-, the auxiliary dynamic pressure groove of the second left wing of 50306-, 50307-
The auxiliary dynamic pressure groove of three left wings, the auxiliary dynamic pressure groove of the first right flank of 50308-, the auxiliary dynamic pressure groove of the second right flank of 50309-, 50310- third right flank are auxiliary
Dynamic pressure groove, the first backflash of 50311-, the second backflash of 50312-, 50313- is through-flow slot, 50314- throttling channel, 504- stationary ring,
505- rotating seat, 506- throw-out collar, 507- spring, 508- stationary seat, the first tapered roller bearing of 509-, the second taper roller of 510-
Bearing, 511- pressure ring, 512- labyrinth seal, 513- Glais ring, 514- axle sleeve holding screw, 515- axle sleeve O-ring, the labyrinth 516-
Seal holding screw, 517- rotating ring stop pin, 518- rotating seat holding screw, 519- rotating seat O-ring, 520- stationary ring anti-rotation
Pin, 521- stationary ring O-ring, 522- stationary seat stop pin, 523- bearing snap ring, 524- pressure ring holding screw, 525- labyrinth seal O
Type circle, 526- damping ring, 6- sealing ring, 7- device housing, 8- bolt assembly, the chassis 9-, 10- holding screw, 11- bottom plate, 12-
Liner plate, 13- valve stem sleeve.
[specific embodiment]
Refering to fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the present invention, including valve rod 1, top cover 2, upper housing 4, sealing structure 5, dress
Shell 7, chassis 9, bottom plate 11 and valve stem sleeve 13 are set, the valve rod 1 is passed through from the middle part of top cover 2, and upper housing is equipped with below top cover 2
4, hydraulically full 3 in the annular housing on upper housing 4；It is equipped with sealing structure 5 in the middle part of the upper housing 4, is passed through in the middle part of sealing structure 5
It is installed with valve rod 1,5 upper-end contact of sealing structure has 2 lower end surface of top cover；Dress is fixed with by bolt assembly 8 below the upper housing 4
Set shell 7；1 bottom of valve rod is set with valve stem sleeve 13, and chassis 9,9 underrun clamp screw of chassis are cased with outside valve stem sleeve 13
Nail 10 is fixed with bottom plate 11, and bottom plate 11 is set to 7 inner chamber bottom surface of device housing.
Specifically, being equipped with the bulge-structure of cylindrical, hollow, bulge-structure Inner Constitution cylindrical cavity body below the top cover 2
21。
Specifically, being equipped with the seal groove 41 that quantity is 2 below the upper housing 4, sealing ring is equipped in seal groove 41
6,6 inner ring of sealing ring is combined with valve rod 1；The seal groove 41 is annular groove.
Specifically, 7 bottom of described device shell is equipped with bolt hole 13, bolt is combined in bolt hole 13, device housing 7 is logical
Bolt is crossed to fix.
Specifically, the bottom plate 11 is cylindrical, hollow shell structure, 11 inner cavity of bottom plate is equipped with liner plate 12, and liner plate 12 passes through
Holding screw 10 is fixed.
Specifically, the sealing structure 5 includes axle sleeve 501, end cap 502, rotating ring 503, stationary ring 504, rotating seat 505, pushes away
Ring 506, spring 507, stationary seat 508, the first tapered roller bearing 509, the second tapered roller bearing 510, pressure ring 511, labyrinth
Seal 512, Glais ring 513, axle sleeve holding screw 514, axle sleeve O-ring 515, labyrinth seal holding screw 516, rotating ring stop pin
517, rotating seat holding screw 518, rotating seat O-ring 519, stationary ring stop pin 520, stationary ring O-ring 521, stationary seat stop pin
522, bearing snap ring 523, pressure ring holding screw 524, labyrinth seal O-ring 525 and damping ring 526, between the axle sleeve 501 passes through
Gap engagement sleeves are on valve rod 1, and axle sleeve 501 is fixed on valve rod 1 by axle sleeve holding screw 514, the annular of 501 inner wall of axle sleeve
Axle sleeve O-ring 515 is embedded in slot；The end cap 502 is installed on inside upper housing 4 by end cap holding screw；The rotating ring
Seat 505 is fixed on 501 outside lower end of axle sleeve by rotating seat holding screw 518, and 505 upper end of rotating seat is equipped with rotating ring 503, moves
503 upper surface of ring is combined with stationary ring 504；The 508 upper end inner wall of stationary seat is equipped with the first tapered roller bearing 509, second
Tapered roller bearing 510, the first tapered roller bearing 509, the second tapered roller bearing 510 are axial solid by bearing snap ring 523
It is scheduled on axle sleeve 501, the first tapered roller bearing 509, the second tapered roller bearing 510 are pressed on stationary seat by pressure ring 511
On 508, pressure ring 511 is fixed on stationary seat 508 by pressure ring holding screw 524, and stationary seat 508 passes through stationary seat stop pin
522 are fitted close in end cap 502；In annular groove on 502 inner wall of end cap in Glais ring 513, Glais ring 513
Wall surface is combined with stationary seat 508；The stationary ring 504, throw-out collar 506, spring 507 are mounted on stationary seat 508, and throw-out collar 506 is pressed
Above stationary ring 504,506 upper end of throw-out collar is combined with spring 507, and 507 upper surface of spring is in stationary seat 508, stationary ring 504
Lower end surface is combined with rotating ring 503, and stationary ring O-ring 521 is equipped in the annular groove of 504 outside wall surface of stationary ring, and stationary ring 504 is anti-by stationary ring
Ship and resell on another market 520 with stationary seat 508 be fitted close；The labyrinth seal 512 is mounted on end cap by labyrinth seal holding screw 516
On 502, labyrinth seal O-ring 525 is equipped between labyrinth seal 512 and end cap 502；511 upper end of pressure ring is flush-mounted in damping
In ring 526, it is equipped with thread road on the left of damping ring 526, is provided with runner hole on the end cap 502 in 526 left side of damping ring, end cap 502 is left
Runner hole is provided on the upper housing 4 of side.
Specifically, opened up on the seal face of the rotating ring 503 be circumferentially uniformly distributed and can the surface of bidirectional rotation knit
Structure, the Surface Texture include hydrodynamic texture area, fluid reflux texture area, flow restriction texture area, the hydrodynamic
Texture area opens up the right flank active of the entrance air reservoir 50301 of swallow-tail form, left wing's active indent 50302 of banana-shaped, banana-shaped
Indent 50303, the auxiliary dynamic pressure groove 50305 of the first left wing of crescent, the auxiliary dynamic pressure groove 50306 of the second left wing of crescent, crescent
The auxiliary dynamic pressure groove 50307 of third left wing, crescent the auxiliary dynamic pressure groove 50308 of the first right flank, crescent the auxiliary dynamic pressure of the second right flank
The auxiliary dynamic pressure groove 50310 of third right flank and through-flow slot 50313 of slot 50309, crescent, left wing's active indent 50302, first
The auxiliary dynamic pressure groove 50305 of left wing, the auxiliary dynamic pressure groove 50306 of the second left wing, the auxiliary dynamic pressure groove 50307 of third left wing respectively with the right flank master
The auxiliary dynamic pressure groove 50308 of dynamic pressure groove 50303, the first right flank, the auxiliary dynamic pressure groove 50309 of the second right flank, the auxiliary dynamic pressure groove 50310 of third right flank
Axisymmetricly it is distributed；The outside diameter seal side medium of rotating ring 503, entrance air reservoir 50301 is arranged in the entrance air reservoir 50301
It is penetrated through with left wing active indent 50302,50303 root of right flank active indent, the groove depth of the entrance air reservoir 50301 is big
In 1mm；Region between left wing's active indent 50302 and right flank active indent 50303 is center choked flow weir 50304, institute
The through-flow slot 50313 opened up on center choked flow weir 50304 is stated, through-flow slot 50313 is connected to left wing's active indent 50302 and right flank master
Dynamic pressure groove 50303；Left wing's active indent 50302 is identical as the groove depth of right flank active indent 50303, and left wing actively presses
The groove depth of slot 50302 and right flank active indent 50303 is 3-20 μm；The groove depth of the through-flow slot 50313 is less than a left side
The groove depth of wing active indent 50302 and right flank active indent 50303；The auxiliary dynamic pressure groove 50305, second of first left wing is left
503 outside diameter of driven torus is sequentially distributed to internal side diameter in institute respectively for the auxiliary dynamic pressure groove 50306 of the wing, the auxiliary dynamic pressure groove 50307 of third left wing
It states near 50302 left side camber line of left wing's active indent, the auxiliary dynamic pressure groove 50305 of first left wing, the auxiliary dynamic pressure groove of the second left wing
50306, the crescent recess of the auxiliary dynamic pressure groove 50307 of third left wing is towards 50301 place of the entrance air reservoir of 503 outer diameter of rotating ring
Side；Fluid reflux texture area opens up the second backflash 50312 of the first backflash 50311 of crescent, crescent, described
First backflash 50311 and the second backflash 50312 are evenly distributed on adjacent two slotted unit in hydrodynamic texture area
Between circumferential zones in, first backflash 50311, the second backflash 50312 successively 503 outside diameter of driven torus to internal diameter
Side arrangement, the first backflash 50311, the second backflash 50312 crescent recess equal face annular seal end face ring heart；
The groove depth of first backflash 50311 and the second backflash 50312 is 3-20 μm；Flow restriction texture area opens up
The throttling channel 50314 of several circular ring shapes, the throttling channel 50314 are evenly spaced in the internal side diameter of rotating ring 503；The throttling channel
50314 groove depth is 1-50mm.
The course of work of the present invention:
The pipeline of bidirectional rotation dynamic pressure sealing of the present invention throttles shock resistance poppet valve device during the work time, in conjunction with attached drawing
It is illustrated.
The device of the invention is applied in pipeline, the time opening for pipeline.Unlatching when, by rotate rise in a manner of
Realize that valve opening, valve rod 1 rise, the mode of rotation avoids the eccentric wear of valve pocket.
The stationary seat 508 is installed by the first taper roller bearing 509 and being used cooperatively for the second tapered roller bearing 510
On axle sleeve, first taper roller bearing 509 and the second tapered roller bearing 510 are axially fixed in by bearing snap ring 523
It is pressed on stationary seat 508 on axle sleeve 501, by pressure ring 511, the stationary seat 508 is realized quiet by stationary seat stop pin 522
Anti-rotation between ring seat 508 and end cap 502 finally realizes the stationary seat 508 with the axis of axle sleeve under the action of above-mentioned component
To moving back and forth but not rotating with axle sleeve, the stationary seat 508 is realized between stationary seat 508 and end cap 502 by Glais ring 513
Axial reciprocating sealing.The labyrinth seal 512 is mounted on by labyrinth seal fastening screw 516 to be used to realize on end cap 502
Dynamic sealing between end cap 502 and axle sleeve 501 passes through labyrinth seal O-ring 525 between the labyrinth seal 512 and end cap 502
Realize static seal.
When rotating ring high speed rotation, enough fluid meetings for being stored in the entrance air reservoir 50301 of the grade depth opened up
Quickly enter in left wing's active indent 50302 and right flank active indent 50303, and squeezes to form high pressure at slot weir and slot root
Area.The through-flow slot 50313 opened up is able to achieve the mutually complementation of left wing's active indent 50302 with fluid in right flank active indent 50303
It fills.The auxiliary dynamic pressure groove of the crescent opened up can guarantee the anti-blowback outside diameter of fluid leaked to seal face internal diameter and enhance dynamic pressure effect
It answers, curve reflux of the first backflash 50311 and the bootable fluid of the second backflash 50312 opened up on end face, into one
It also can effectively enhance fluid while step enhancing dynamic pressure effect in the less turbulence of end face and increase flow path, improve end face and change
Thermal energy power, to reduce the temperature rise of seal face.The grade circular ring shape throttling channel 50314 opened up can make to leak to inner radius
Fluid deep trouth formed be vortexed energy consumption, realize pressure quickly reduce, reach restriction effect.The end face type groove of institute's R & D design has
It is standby can bidirectional rotation, low leakage, Qiang Huanre, high-bearing capacity, high stability performance advantage.
Damping ring 526 is cirque structure, and damping ring 526 has toroidal cavity, is combined with pressure ring 511 in toroidal cavity；
The end cap 502 that is equipped on thread road, with the same straight line in thread road on the left of damping ring 526 is equipped with runner on upper housing 4, damps
Ring 526 is connected to by runner with liquid 3；Above structure constitutes damping structure, to reduce impact force.
The present invention, the mode that can rotate rising realize valve opening, to avoid valve pocket eccentric wear；Pass through sealing structure reality
It now seals, impact force is reduced by damping structure, the generation for avoiding inertia from touching.
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention
Scheme all belong to the scope of protection of the present invention.
Claims (7)
- The shock resistance poppet valve device 1. the pipeline of bidirectional rotation dynamic pressure sealing throttles, it is characterised in that: including valve rod (1), top cover (2), upper housing (4), sealing structure (5), device housing (7), chassis (9), bottom plate (11) and valve stem sleeve (13), the valve rod (1) it is passed through from the middle part of top cover (2), is equipped with upper housing (4) below top cover (2), liquid is full of in the annular housing on upper housing (4) Body (3)；Sealing structure (5) are equipped in the middle part of the upper housing (4), running through in the middle part of sealing structure (5) has valve rod (1), sealing structure (5) upper-end contact has top cover (2) lower end surface；Device housing (7) are fixed with by bolt assembly (8) below the upper housing (4)； Valve rod (1) bottom is set with valve stem sleeve (13), is cased with chassis (9) outside valve stem sleeve (13), chassis (9) underrun tightening Screw (10) is fixed with bottom plate (11), and bottom plate (11) is set to device housing (7) inner chamber bottom surface.
- The shock resistance poppet valve device 2. the pipeline of bidirectional rotation dynamic pressure sealing as described in claim 1 throttles, it is characterised in that: The bulge-structure of cylindrical, hollow, bulge-structure Inner Constitution cylindrical cavity body (21) are equipped with below the top cover (2).
- The shock resistance poppet valve device 3. the pipeline of bidirectional rotation dynamic pressure sealing as described in claim 1 throttles, it is characterised in that: It is equipped with the seal groove (41) that quantity is 2 below the upper housing (4), is equipped with sealing ring (6) in seal groove (41), sealing ring (6) inner ring is combined with valve rod (1)；The seal groove (41) is annular groove.
- The shock resistance poppet valve device 4. the pipeline of bidirectional rotation dynamic pressure sealing as described in claim 1 throttles, it is characterised in that: Described device shell (7) bottom is equipped with bolt hole (13), is combined with bolt in bolt hole (13), device housing (7) passes through bolt It is fixed.
- The shock resistance poppet valve device 5. the pipeline of bidirectional rotation dynamic pressure sealing as described in claim 1 throttles, it is characterised in that: The bottom plate (11) is cylindrical, hollow shell structure, and bottom plate (11) inner cavity is equipped with liner plate (12), and liner plate (12) passes through clamp screw It is fixed to follow closely (10).
- The shock resistance poppet valve device 6. the pipeline of bidirectional rotation dynamic pressure sealing as described in claim 1 throttles, it is characterised in that: The sealing structure (5) includes axle sleeve (501), end cap (502), rotating ring (503), stationary ring (504), rotating seat (505), throw-out collar (506), spring (507), stationary seat (508), the first tapered roller bearing (509), the second tapered roller bearing (510), pressure ring (511), labyrinth seal (512), Glais ring (513), axle sleeve holding screw (514), axle sleeve O-ring (515), labyrinth seal tightening Screw (516), rotating ring stop pin (517), rotating seat holding screw (518), rotating seat O-ring (519), stationary ring stop pin (520), stationary ring O-ring (521), stationary seat stop pin (522), bearing snap ring (523), pressure ring holding screw (524), labyrinth are close Envelope O-ring (525) and damping ring (526), the axle sleeve (501) are covered on valve rod (1) by clearance fit, and axle sleeve (501) is logical It crosses axle sleeve holding screw (514) to be fixed on valve rod (1), axle sleeve O-ring is embedded in the annular groove of axle sleeve (501) inner wall (515)；The end cap (502) is installed on upper housing (4) inside by end cap holding screw；The rotating seat (505) passes through dynamic Ring seat holding screw (518) is fixed on the external lower end of axle sleeve (501), and rotating seat (505) upper end is equipped with rotating ring (503), rotating ring (503) upper surface is combined with stationary ring (504)；Stationary seat (508) the upper end inner wall is equipped with the first tapered roller bearing (509), the second tapered roller bearing (510), the first tapered roller bearing (509), the second tapered roller bearing (510) pass through axis It holds snap ring (523) to be axially fixed on axle sleeve (501), the first tapered roller bearing (509), the second tapered roller bearing (510) It is pressed on stationary seat (508) by pressure ring (511), pressure ring (511) is fixed on stationary seat by pressure ring holding screw (524) (508) on, stationary seat (508) is fitted close by stationary seat stop pin (522) in end cap (502)；End cap (502) inner wall Glais ring (513) are embedded in annular groove on face, Glais ring (513) inner wall is combined with stationary seat (508)；The stationary ring (504), throw-out collar (506), spring (507) are mounted on stationary seat (508), and throw-out collar (506) is pressed in above stationary ring (504), are pushed away Ring (506) upper end is combined with spring (507), and spring (507) upper surface is in stationary seat (508), stationary ring (504) lower end surface It is combined with rotating ring (503), is equipped with stationary ring O-ring (521) in the annular groove of stationary ring (504) outside wall surface, stationary ring (504) passes through stationary ring Stop pin (520) and stationary seat (508) are fitted close；The labyrinth seal (512) is pacified by labyrinth seal holding screw (516) On end cap (502), labyrinth seal O-ring (525) are equipped between labyrinth seal (512) and end cap (502)；The pressure ring (511) upper end is equipped with thread road, the end cap on the left of damping ring (526) in damping ring (526) on the left of damping ring (526) (502) it is provided with runner hole on, is provided with runner hole on the upper housing (4) on the left of end cap (502).
- 7. such as the pipeline throttling shock resistance poppet valve device of bidirectional rotation dynamic pressure described in any one of claims 1 to 6 sealing, It is characterized by: opened up on the seal face of the rotating ring (503) be circumferentially uniformly distributed and can bidirectional rotation Surface Texture, The Surface Texture includes hydrodynamic texture area, fluid reflux texture area, flow restriction texture area, the hydrodynamic texture Area opens up the right flank active of the entrance air reservoir (50301) of swallow-tail form, left wing's active indent (50302) of banana-shaped, banana-shaped Indent (50303), the auxiliary dynamic pressure groove of the first left wing (50305) of crescent, crescent the auxiliary dynamic pressure groove of the second left wing (50306), The auxiliary dynamic pressure groove of third left wing (50307) of crescent, the auxiliary dynamic pressure groove of the first right flank (50308) of crescent, crescent second The auxiliary dynamic pressure groove of third right flank (50310) and through-flow slot (50313) of the auxiliary dynamic pressure groove of right flank (50309), crescent, the left wing master Dynamic pressure groove (50302), the auxiliary dynamic pressure groove of the first left wing (50305), the auxiliary dynamic pressure groove of the second left wing (50306), the auxiliary dynamic pressure of third left wing Slot (50307) respectively with the right flank active indent (50303), the auxiliary dynamic pressure groove of the first right flank (50308), the auxiliary dynamic pressure of the second right flank Slot (50309), the auxiliary dynamic pressure groove of third right flank (50310) are axisymmetricly distributed；The entrance air reservoir (50301) is arranged in rotating ring (503) outside diameter seal side medium, entrance air reservoir (50301) and left wing's active indent (50302), right flank active indent (50303) root penetrates through, and the groove depth of the entrance air reservoir (50301) is greater than 1mm；Left wing's active indent (50302) region between right flank active indent (50303) is center choked flow weir (50304), center choked flow weir (50304) the through-flow slot (50313) opened up on, through-flow slot (50313) connection left wing's active indent (50302) and right flank are actively pressed Slot (50303)；Left wing's active indent (50302) is identical as the groove depth of right flank active indent (50303), and left wing is actively The groove depth of indent (50302) and right flank active indent (50303) is 3-20 μm；The fluting of the through-flow slot (50313) is deep Degree is less than the groove depth of left wing's active indent (50302) and right flank active indent (50303)；The auxiliary dynamic pressure groove of first left wing (50305), the auxiliary dynamic pressure groove of the second left wing (50306), the auxiliary dynamic pressure groove of third left wing (50307) difference driven torus (503) outside diameter It is sequentially distributed near the camber line of left wing's active indent (50302) left side to internal side diameter, the auxiliary dynamic pressure groove of the first left wing (50305), the crescent recess of the auxiliary dynamic pressure groove of the second left wing (50306), the auxiliary dynamic pressure groove of third left wing (50307) is towards rotating ring (503) side where the entrance air reservoir (50301) of outer diameter；Fluid reflux texture area opens up the first backflash of crescent (50311), the second backflash (50312) of crescent, first backflash (50311) and the second backflash (50312) are equal In the even circumferential zones being distributed between adjacent two slotted unit in hydrodynamic texture area, first backflash (50311), the second backflash (50312) successively arrange to internal side diameter by driven torus (503) outside diameter, the first backflash (50311), The ring heart of the crescent recess equal face annular seal end face of second backflash (50312)；First backflash (50311) Groove depth with the second backflash (50312) is 3-20 μm；Flow restriction texture area opens up the throttling of several circular ring shapes Slot (50314), the throttling channel (50314) are evenly spaced in the internal side diameter of rotating ring (503)；Throttling channel (50314) are opened Groove depth is 1-50mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910542338.2A CN110397787B (en) | 2019-06-21 | 2019-06-21 | Bidirectional rotary dynamic pressure sealed pipeline throttling impact-resistant poppet valve device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910542338.2A CN110397787B (en) | 2019-06-21 | 2019-06-21 | Bidirectional rotary dynamic pressure sealed pipeline throttling impact-resistant poppet valve device |
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| Publication Number | Publication Date |
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| CN110397787A true CN110397787A (en) | 2019-11-01 |
| CN110397787B CN110397787B (en) | 2020-09-25 |
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| CN201910542338.2A Active CN110397787B (en) | 2019-06-21 | 2019-06-21 | Bidirectional rotary dynamic pressure sealed pipeline throttling impact-resistant poppet valve device |
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| CN2416294Y (en) * | 2000-01-20 | 2001-01-24 | 南通市明江阀门总厂 | Spherical sealing stop valve for chlorine |
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| CN104214345A (en) * | 2014-06-20 | 2014-12-17 | 辽阳泵业密封有限公司 | Multi-level sealing device |
| CN204175997U (en) * | 2014-09-30 | 2015-02-25 | 高能阀门集团有限公司 | A kind of Double-clack stop valve |
| CN104633143A (en) * | 2014-12-26 | 2015-05-20 | 锦州高中压阀门制造有限公司 | Pneumatic abrasion-resisting angle stop valve |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54151760A (en) * | 1978-05-22 | 1979-11-29 | Babcock Hitachi Kk | Damper bearing |
| JPS57179655U (en) * | 1981-05-11 | 1982-11-13 | ||
| CN2130972Y (en) * | 1992-07-20 | 1993-04-28 | 瓯海县沙城机械阀门研制厂 | Low-temp angular stop valve |
| CN2416294Y (en) * | 2000-01-20 | 2001-01-24 | 南通市明江阀门总厂 | Spherical sealing stop valve for chlorine |
| CN2588138Y (en) * | 2002-11-17 | 2003-11-26 | 尤金福 | Adjustabe pistion valve |
| CN104110496A (en) * | 2014-04-02 | 2014-10-22 | 衢州兰玲机电科技有限公司 | Sealing structure for rotary shaft of flue gas valve |
| CN104214345A (en) * | 2014-06-20 | 2014-12-17 | 辽阳泵业密封有限公司 | Multi-level sealing device |
| CN204175997U (en) * | 2014-09-30 | 2015-02-25 | 高能阀门集团有限公司 | A kind of Double-clack stop valve |
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|---|---|
| CN110397787B (en) | 2020-09-25 |
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