CN105020466B - High-pressure valve achieving automatic sealing - Google Patents
High-pressure valve achieving automatic sealing Download PDFInfo
- Publication number
- CN105020466B CN105020466B CN201410168552.3A CN201410168552A CN105020466B CN 105020466 B CN105020466 B CN 105020466B CN 201410168552 A CN201410168552 A CN 201410168552A CN 105020466 B CN105020466 B CN 105020466B
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- China
- Prior art keywords
- valve
- elastic damping
- cushion pad
- pilot sleeve
- sealing device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
- F16K41/04—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0272—Construction of housing; Use of materials therefor of lift valves valves provided with a lining
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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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
- F16K41/06—Spindle sealings with stuffing-box ; Sealing rings with at least one ring attached to both spindle and housing
-
- 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
- F16K41/08—Spindle sealings with stuffing-box ; Sealing rings with at least one ring provided with axially-protruding peripheral closing-lip
-
- 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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
- F16K47/023—Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention provides a high-pressure valve achieving automatic sealing. The high-pressure valve mainly comprises a valve rod automatic sealing device, a valve cover automatic sealing device and a valve connector automatic sealing device. The high-pressure valve is characterized in that the valve rod automatic sealing device is composed of a valve cover flow guide groove, a pressing block and a pressing block elastic damping ring; the valve cover automatic sealing device is composed of a guide sleeve, a guide sleeve and valve body pressing ring, a guide sleeve lower elastic damping ring, a guide sleeve elastic damping ring, a sealing ring, a guide sleeve upper elastic damping ring and a guide sleeve and valve cover pressing ring; and the valve connector automatic sealing device is composed of an inlet bottom end buffer mat, an inlet upper end buffer mat, an outlet upper end buffer mat and an outlet bottom end buffer mat. According to the high-pressure valve achieving automatic sealing, a valve rod, a valve cover and a valve inlet and outlet are automatically sealed through the valve rod automatic sealing device, the valve cover automatic sealing device and the valve connector automatic sealing device. The elastic damping rings in the devices have the functions of gap adjustment, element protection and primary sealing.
Description
Technical field
The present invention relates to a kind of self-sealing high pressure valve, more particularly to it is a kind of by valve gap guiding gutter, briquetting and elasticity
Damped ring realizes the automatic-sealed of valve rod, and by pilot sleeve, trim ring, elastic damping circle and sealing ring the automatic close of valve gap is realized
Envelope, by the cushion pad of valve inlet, outlet the automatic-sealed of valve interface and the pooling feature of high-pressure fluid are realized, belong to high pressure
Valve technical field of sealing technology.
Background technology
At present high pressure technique has been widely used in the fields such as superhard material manufacture, chemical industry, petrochemical industry, and valve is
One of vitals in high-pressure system, the reliability of valve, safety, work efficiency and service life directly affect whole system
System work.Superelevation in tubing is intrinsic pressure to act not only on valve body, and acts on the sealing junction of valve member, with pressure
Increase and valve long-play so that easily there is leakage failure in high pressure valve, and this not only affects normal production, and directly
Or indirectly cause serious accident.
Currently for the design of high pressure valve, though achieve certain achievement, remain in it is simple increase valve body wall thickness with
And using traditional encapsulating method, especially in Sealing Technology, have ignored considering for internal structure and flow field, unilateral general
Research emphasis have been placed on the research and development of encapsulant, though this solves the problems, such as certain, high cost.
Therefore, for the Sealing Technology of high pressure valve, need to be on the basis of its internal structure, flow field characteristic be studied, by interior
The minor modifications of portion's structure, make full use of the high pressure characteristics of fluid in high pressure valve, are filled with the automatic-sealed for designing suitable high pressure valve
Put.
The content of the invention
The present invention seals, seal high cost for being difficult of existing of existing high pressure valve, and to itself in sealing enforcement
The problems such as structure and inconsiderate flow field characteristic, there is provided one kind can effectively realize high pressure valve automatic-sealed and low cost, meet stream
A kind of self-sealing high pressure valve of field characteristic.
A kind of self-sealing high pressure valve of the present invention is employed the following technical solutions：
A kind of self-sealing high pressure valve, mainly connects including valve rod automatic sealing device, valve gap automatic sealing device and valve
Mouth automatic sealing device；Described valve rod automatic sealing device is made up of valve gap guiding gutter, briquetting and briquetting elastic damping circle,
Valve gap is provided with valve gap guiding gutter at valve element, and valve gap guiding gutter is hollow round table structure, and in 45 degree of inclinations, briquetting is arranged on
Valve gap guiding gutter top, briquetting elastic damping circle is arranged on briquetting top；Described valve gap automatic sealing device by pilot sleeve,
Pilot sleeve and bullet on elastic damping circle, fairlead elastic damping circle, sealing ring, pilot sleeve under valve body trim ring, pilot sleeve
Property damped ring and pilot sleeve and valve gap trim ring constitute, valve body is provided with a circular groove near valve cover area, the circular groove
According to the configuration settings of sealing ring, sealing ring, fairlead elastic damping circle and pilot sleeve are sequentially arranged at valve body upper end to size
Groove in, elastic damping circle and pilot sleeve are sequentially arranged at the bottom of the groove of valve body upper end with valve body trim ring under pilot sleeve
End, elastic damping circle and pilot sleeve are sequentially arranged at pilot sleeve upper end with valve gap trim ring on pilot sleeve, under pilot sleeve
Elastic damping circle is contacted respectively with sealing ring on elastic damping circle and pilot sleeve；Described valve interface automatic sealing device is by entering
Mouth bottom cushion pad, entrance upper end cushion pad, outlet upper end cushion pad and outlet bottom cushion pad composition, entrance bottom buffering
Pad, entrance upper end cushion pad, outlet upper end cushion pad and outlet bottom cushion pad are made up of water-separating film and elastic damping element, bullet
Property damping element two ends be block structure, centre be long and short cross structure, three grooves, the size of groove are provided with valve seat
According to the end construction setting of entrance bottom cushion pad, entrance upper end cushion pad and outlet bottom cushion pad, entrance bottom buffering
One end of pad, entrance upper end cushion pad and outlet bottom cushion pad is arranged in the groove of valve seat, and the other end is passed in and out installed in valve
At mouthful, valve outlet upper end is provided with a groove, and the size of the groove goes out according to the end construction setting of outlet upper end cushion pad
One end of mouth upper end cushion pad is arranged in the groove of valve outlet upper end, and the other end is arranged at valve outlet port.
The present invention is in valve rod automatic-sealed using the device of valve gap guiding gutter, briquetting and briquetting elastic damping circle, the dress
Put by 45 degree of inclined valve gap guiding gutters, briquetting and briquetting elastic damping circle, fluid force is converted to into the pressure of filler at valve rod
Clamp force, and thrust is adjusted by briquetting elastic damping circle, realize the self-sealing function of valve rod.The valve rod is automatically close
The operation principle of seal apparatus is that the high-pressure fluid Jing valve gap guiding gutters first in high pressure valve are flowed in the groove and contacted with briquetting,
Because of valve gap guiding gutter and in 45 degree of inclinations, the high-pressure in valve can be converted to the equal effect upwardly and inwardly of briquetting
Power；Then the briquetting for applying active force acts on stuffing box ring by briquetting elastic damping circle, pacifies between briquetting and stuffing box ring
Dress briquetting elastic damping circle mainly has following effect：One is gap adjustment effect, by the compressibility of briquetting elastic damping circle,
The gap between briquetting and stuffing box ring is adjusted according to the different pressures state of high-pressure fluid；Two is element protection effect, is passed through
The mounting means of briquetting-briquetting elastic damping circle-stuffing box ring, using the elastic damping characteristic of briquetting elastic damping circle, can prevent
The direct Jing briquettings of alternating force that only change of valve inner high voltage is produced act on stuffing box ring, protect stuffing box ring element；Three is primary
Sealing function, by the characteristic of the material of briquetting elastic damping circle itself, plays the primary seal effect of convection cell at valve rod.
The present invention is in the automatic-sealed of valve gap using bullet under pilot sleeve, pilot sleeve and valve body trim ring, pilot sleeve
The dress of elastic damping circle and pilot sleeve and valve gap trim ring on property damped ring, fairlead elastic damping circle, sealing ring, pilot sleeve
Put, the device is converted to fluid force at valve gap by pilot sleeve, sealing ring and different trim ring elastic damping circles and trim ring
The thrust of sealing ring, and by elasticity resistance under elastic damping circle on fairlead elastic damping circle, pilot sleeve and pilot sleeve
Ni Quan is adjusted to thrust, realizes the self-sealing function of valve gap.The operation principle of the valve gap automatic sealing device is, valve
Fluid high-pressure power Jing pilot sleeve in core and valve body region is converted to active force upwards, and Jing fairlead elastic dampings circle is made
For sealing ring, sealing ring generation automatic impaction power upwards is made；Additionally, the fluid high-pressure power in the region also Jing pilot sleeves with
Elastic damping circle acts on sealing ring under valve body trim ring and pilot sleeve, produces the automatic impaction power compressed to it；Jing valve elements are put down
Weighing apparatus hole flows into the fluid high-pressure power Jing pilot sleeve inwall of counter balance pocket, and pilot sleeve and bullet on valve gap trim ring, pilot sleeve
Property damped ring be converted to compress sealing ring automatic impaction power.Fairlead elastic damping circle, pilot sleeve are adopted in the apparatus
Elastic damping circle mainly has following effect on lower elastic damping circle and pilot sleeve：One is gap adjustment effect, by each elasticity
The compressibility of damped ring, is adjusted between pilot sleeve, each trim ring and sealing ring according to the different pressures state of high-pressure fluid
Gap；Two is sealing ring protective effect, prevents the abrasion that sealing ring is produced because of pilot sleeve, the directly contact of each trim ring from breaking
It is bad, extend the service life of sealing ring；Three is primary seal effect, by the characteristic of the material of each elastic damping circle itself, is risen
The primary seal effect of convection cell at valve gap.
The present invention is in the automatic-sealed of valve interface using entrance bottom cushion pad, entrance upper end cushion pad, outlet upper end
The device of cushion pad and outlet bottom cushion pad, the device is realized by water-separating film and elastic damping element in each cushion pad
The automatic-sealed of valve interface and the pooling feature of high-pressure fluid.The operation principle of the valve interface automatic sealing device is, to enter
As a example by the cushion pad of mouth bottom, one end of entrance bottom cushion pad is arranged in the groove of valve seat, because of the end of elastic damping element
Be designed as block structure, thus the cushion pad can conveniently, it is intact in groove, additionally, entrance bottom cushion pad is another
One end is arranged on valve entrance, can be compressed the other end of entrance bottom cushion pad by pipe joint and the flange of valve import solid
It is fixed.Fluid high-pressure power can be converted to the entrance bottom cushion pad automatic impaction power at this.Water-separating film is adopted in the apparatus
Have the effect that with the cushion pad of elastic damping element composition：One is gap adjustment effect, by water-separating film and elastic damping
The compressibility of element, adjusted according to the different pressures state of high-pressure fluid pipe joint and valve import and export flange it is close
Envelope gap, prevents the leakage for producing because there is gap herein；Two is flexible connection effect, realizes that pipeline connects by each cushion pad
The flexible connection of the flange of mouth and valve import and export, by the degree of freedom for being flexibly connected increase system, reduces external load to whole
The destruction of system；Three is valve body protective effect, and the long and short cross structure design of elastic damping element is capable of achieving to high-pressure fluid
Three-level cushioning effect, i.e., when first high-pressure fluid acts on cushion pad so that long elastomer compresses and deforms, realization is once delayed
Punching, with short elastomer contact after then long distortional elastomer bends, the flexible deformation again of short elastomer realizes secondary buffer, most
Afterwards short elastomer is contacted with intermediate entities, intermediate entities still flexible deformation, so as to realize three bufferings.Cushion pad is only designed
At valve import and export, the flow velocity for allowing for fluid at import and export is higher, larger to the impulsive force of valve body, slow by the three-level
Rushing structure can effectively reduce active force of the high-voltage high-speed fluid to valve body.
The invention has the beneficial effects as follows：Automatic-sealed at valve rod is realized by valve rod automatic sealing device, i.e., in work
When only valve gap guiding gutter, briquetting and briquetting elastic damping circle need to be designed, by 45 according to different working environments and job requirement
Spend inclined valve gap guiding gutter, briquetting and briquetting elastic damping circle and be converted to the high-pressure of fluid and act on stuffing box ring
Automatic impaction power upwardly and inwardly, and gap adjustment at this, element protection and primary are realized by briquetting elastic damping circle
Sealing function.By elasticity under the pilot sleeve in the automatic sealing device of valve gap, pilot sleeve and valve body trim ring, pilot sleeve
Elastic damping circle and pilot sleeve and valve gap trim ring, will flow on damped ring, fairlead elastic damping circle, sealing ring, pilot sleeve
The high-pressure of body is converted to the automatic impaction power for acting on sealing ring, and realizes that the gap at this is adjusted by each elastic damping circle
Section, sealing ring protection and primary seal effect.By adopting entrance bottom cushion pad, entrance upper end in the automatic-sealed of valve interface
The device of cushion pad, outlet upper end cushion pad and outlet bottom cushion pad, realizes the automatic-sealed and high-pressure fluid of valve interface
Pooling feature, and by elastic damping element realize gap adjustment, flexible connection and three-level buffer protection valve body effect.The knot
The characteristics of structure has automatic-sealed low cost.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of valve gap automatic sealing device in the present invention.
Fig. 3 is the structural representation of valve rod automatic sealing device in the present invention.
Fig. 4 is the structural representation of cushion pad in the present invention.
In figure：1st, valve body, 2, entrance bottom cushion pad, 3, entrance upper end cushion pad, 4, valve seat, 5, valve element, 6, balance pipe,
7th, sealing ring, 8, packing ring, 9, screw, 10, gland, 11, the collar, 12, filler, 13, stuffing box ring, 14, valve gap, 15, valve
Bar, 16, pilot sleeve, 17, outlet upper end cushion pad, 18, outlet bottom cushion pad, 19, pilot sleeve and valve body trim ring, 20,
Elastic damping circle under pilot sleeve, 21, fairlead elastic damping circle, 22, sealing ring, 23, elastic damping circle on pilot sleeve,
24th, pilot sleeve and valve gap trim ring, 25, valve gap guiding gutter, 26, briquetting, 27, briquetting elastic damping circle, 28, water-separating film, 29, bullet
Property damping element.
Specific embodiment
As shown in figure 1, a kind of self-sealing high pressure valve of the present invention is mainly by valve body 1, valve element 6, valve rod 15 and valve gap
14 compositions.Sealing ring 7 is installed between valve gap 14 and valve body 1, and is fixed by packing ring 8, screw 9.Valve element 6 is provided with balance pipe 6,
Valve element 6 is arranged on 15 on valve rod, is sealed by filler 12 at valve rod 15, and the upper end of filler 12 is pressed by gland 10, the collar 11
Tightly, the lower end of filler 12 is compressed by stuffing box ring 13, and stuffing box ring 13 is compressed by valve element automatic sealing device.
Groove is provided with the upper end of valve body 1 and valve seat 4, each groove is automatic due to installing valve gap automatic sealing device and valve interface
Sealing device.Entrance bottom cushion pad 2, entrance upper end cushion pad 3, outlet upper end cushion pad are installed in high pressure valve import and export
17 and outlet bottom cushion pad 18.
As shown in Fig. 2 the valve gap automatic sealing device in the present invention, by pilot sleeve 16, pilot sleeve and valve body trim ring
19th, elastic damping circle 23 on elastic damping circle 20, fairlead elastic damping circle 21, sealing ring 22, pilot sleeve under pilot sleeve
Constitute with valve gap trim ring 24 with pilot sleeve, sealing ring 22, fairlead elastic damping circle 21 and pilot sleeve 16 are sequentially arranged at
In the groove of the upper end of valve body 1, elastic damping circle 20 and pilot sleeve are sequentially arranged at valve body 1 with valve body trim ring 19 under pilot sleeve
The bottom of the groove of upper end, elastic damping circle 23 and pilot sleeve are sequentially arranged at fairlead with valve gap trim ring 24 on pilot sleeve
16 upper ends of cylinder, elastic damping circle 23 is contacted respectively with sealing ring 22 on elastic damping circle 20 and pilot sleeve under pilot sleeve.
As shown in figure 3, the valve rod automatic sealing device in the present invention, by valve gap guiding gutter 25, briquetting 26 and briquetting elasticity
Damped ring 27 is constituted, and valve gap guiding gutter 25 is provided with valve element 5 in valve gap 14, and briquetting 26 is arranged on valve gap guiding gutter 25
Side, briquetting elastic damping circle 27 is arranged on the top of briquetting 26.
As shown in figure 4, the cushion pad in the present invention is made up of water-separating film 28 and elastic damping element 29, elastic damping element
29 two ends are block structure, and centre is long and short cross structure.
By the present invention in that realizing the automatic-sealed of valve rod 15, i.e., operationally, high pressure valve with valve rod automatic sealing device
The valve gap guiding gutter 25 of interior high-pressure fluid Jing valve gaps 14 is contacted with briquetting 26, because of valve gap guiding gutter 25 and in 45 degree of inclinations, can
High-pressure in valve is converted to the automatic impaction power upwardly and inwardly for acting on stuffing box ring 13.In briquetting 26 and filler
Briquetting elastic damping circle 27 is installed between letter ring 13 and is capable of achieving the effect of gap adjustment, element protection and primary seal, i.e., by briquetting
The compressibility of elastic damping circle 27, is adjusted between briquetting 26 and stuffing box ring 13 according to the different pressures state of high-pressure fluid
Gap；By the elastic damping characteristic of briquetting elastic damping circle 27, the direct Jing of alternating force that can prevent the change of valve inner high voltage from producing
Briquetting 26 acts on stuffing box ring 13, protects the element of stuffing box ring 13；By the spy of the material of briquetting elastic damping circle 27 itself
Property, play the primary seal effect of convection cell at valve rod 15.
By the present invention in that realize the automatic-sealed of valve gap 14 with valve gap automatic sealing device, i.e., operationally, valve element 5 with
Fluid high-pressure power Jing pilot sleeve 16 in the region of valve body 1 is converted to active force upwards, and Jing fairlead elastic dampings circle 21
Sealing ring 22 is acted on, makes sealing ring 22 produce automatic impaction power upwards；The fluid high-pressure power in the region also Jing pilot sleeves
Sealing ring 22 is acted on elastic damping circle 20 under valve body trim ring 19 and pilot sleeve, the automatic impaction power compressed to it is produced；
The balance pipe 6 of Jing valve elements 5 flows into the inwall of fluid high-pressure power Jing pilot sleeve 16 of counter balance pocket, and pilot sleeve and valve gap trim ring
24th, elastic damping circle 23 is converted to the automatic impaction power for compressing sealing ring 22 on pilot sleeve.Fairlead bullet in the apparatus
Property damped ring 21, pilot sleeve under on elastic damping circle 20 and pilot sleeve elastic damping circle 23 be capable of achieving gap adjustment, sealing
Circle protection and primary seal effect, i.e., by the compressibility of each elastic damping circle, according to the different pressures state of high-pressure fluid
To adjust the gap between pilot sleeve 16, each trim ring and sealing ring 22；Prevent sealing ring 22 because pilot sleeve 16, each trim ring it is straight
The wear-out failure for contacting and producing, extends the service life of sealing ring 22；By the spy of the material of each elastic damping circle itself
Property, play the primary seal effect of convection cell at valve gap 14.
By the present invention in that realizing the automatic-sealed of valve interface and delaying for high-pressure fluid with valve interface automatic sealing device
Function is rushed, by taking entrance bottom cushion pad 2 as an example, i.e., operationally, fluid high-pressure power can be converted to this by entrance bottom cushion pad 2
The automatic impaction power at place.The cushion pad for being constituted using water-separating film 28 and elastic damping element 29 in the apparatus is capable of achieving gap and is adjusted
Section, flexible connection and the protective effect of valve body 1, i.e., by water-separating film 28 and the compressibility of elastic damping element 29, according to high pressure
The different pressures state of fluid is prevented herein because there is gap adjusting pipe joint and valve into and out of the seal clearance of flange
And the leakage for producing；Realize that pipe joint and valve, into and out of the flexible connection of flange, increase by being flexibly connected by each cushion pad
The degree of freedom of system, reduces destruction of the external load to whole system；Set by the long and short cross structure of elastic damping element 29
Meter is capable of achieving the three-level cushioning effect to high-pressure fluid, and cushion pad is only designed at valve import and export, allows for import and export
The flow velocity of place's fluid is higher, larger to the impulsive force of valve body 1, and by the three-level buffer structure high-voltage high-speed fluid can be effectively reduced
Active force to valve body 1.Specific works are, first when high-pressure fluid acts on cushion pad so that long elastomer compresses and becomes
Shape, realization is once buffered, and with short elastomer contact after then long distortional elastomer bends, the flexible deformation again of short elastomer is real
Existing secondary buffer, last short elastomer is contacted with intermediate entities, intermediate entities still flexible deformation, so as to realize three bufferings.
Claims (1)
1. a kind of self-sealing high pressure valve, mainly includes valve rod automatic sealing device, valve gap automatic sealing device and valve interface
Automatic sealing device；Described valve rod automatic sealing device is made up of valve gap guiding gutter, briquetting and briquetting elastic damping circle, in valve
Lid is provided with valve gap guiding gutter at valve element, and valve gap guiding gutter is hollow round table structure, and in 45 degree of inclinations, briquetting is arranged on valve
Lid guiding gutter top, briquetting elastic damping circle is arranged on briquetting top；Described valve gap automatic sealing device by pilot sleeve, lead
The elasticity on elastic damping circle, fairlead elastic damping circle, sealing ring, pilot sleeve under sleeve and valve body trim ring, pilot sleeve
Damped ring and pilot sleeve are constituted with valve gap trim ring, and valve body is provided with a circular groove near valve cover area, the circular groove it is big
The little configuration settings according to sealing ring, sealing ring, fairlead elastic damping circle and pilot sleeve are sequentially arranged at valve body upper end
In groove, elastic damping circle and pilot sleeve are sequentially arranged at the bottom of the groove of valve body upper end with valve body trim ring under pilot sleeve
End, elastic damping circle and pilot sleeve are sequentially arranged at pilot sleeve upper end with valve gap trim ring on pilot sleeve, under pilot sleeve
Elastic damping circle is contacted respectively with sealing ring on elastic damping circle and pilot sleeve；Described valve interface automatic sealing device is by entering
Mouth bottom cushion pad, entrance upper end cushion pad, outlet upper end cushion pad and outlet bottom cushion pad composition, entrance bottom buffering
Pad, entrance upper end cushion pad, outlet upper end cushion pad and outlet bottom cushion pad are made up of water-separating film and elastic damping element, bullet
Property damping element two ends be block structure, centre be long and short cross structure, three grooves, the size of groove are provided with valve seat
According to the end construction setting of entrance bottom cushion pad, entrance upper end cushion pad and outlet bottom cushion pad, entrance bottom buffering
One end of pad, entrance upper end cushion pad and outlet bottom cushion pad is arranged in the groove of valve seat, and the other end is passed in and out installed in valve
At mouthful, valve outlet upper end is provided with a groove, and the size of the groove goes out according to the end construction setting of outlet upper end cushion pad
One end of mouth upper end cushion pad is arranged in the groove of valve outlet upper end, and the other end is arranged at valve outlet port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410168552.3A CN105020466B (en) | 2014-04-25 | 2014-04-25 | High-pressure valve achieving automatic sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410168552.3A CN105020466B (en) | 2014-04-25 | 2014-04-25 | High-pressure valve achieving automatic sealing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105020466A CN105020466A (en) | 2015-11-04 |
| CN105020466B true CN105020466B (en) | 2017-04-19 |
Family
ID=54410647
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410168552.3A Expired - Fee Related CN105020466B (en) | 2014-04-25 | 2014-04-25 | High-pressure valve achieving automatic sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105020466B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051171A (en) * | 2016-06-08 | 2016-10-26 | 中国船舶重工集团公司第七二五研究所 | Pressure self-balanced type stop check valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3776278A (en) * | 1971-06-29 | 1973-12-04 | Fisher Controls Co | Valve including noise reducing means |
| CN2472014Y (en) * | 2001-02-27 | 2002-01-16 | 朱孝有 | Stop valve |
| CN102537506A (en) * | 2012-02-22 | 2012-07-04 | 浙江德卡控制阀仪表有限公司 | Three-level decompression regulating valve |
| CN202441897U (en) * | 2011-11-28 | 2012-09-19 | 北京航科航天石化氟塑泵阀有限公司 | Valve stem closed sealing stop valve |
| CN203516884U (en) * | 2013-09-23 | 2014-04-02 | 杭州佳能阀门有限公司 | Regulating valve with high erosion resistance |
| CN203906842U (en) * | 2014-04-25 | 2014-10-29 | 济南大学 | Automatically sealed high pressure valve |
-
2014
- 2014-04-25 CN CN201410168552.3A patent/CN105020466B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3776278A (en) * | 1971-06-29 | 1973-12-04 | Fisher Controls Co | Valve including noise reducing means |
| CN2472014Y (en) * | 2001-02-27 | 2002-01-16 | 朱孝有 | Stop valve |
| CN202441897U (en) * | 2011-11-28 | 2012-09-19 | 北京航科航天石化氟塑泵阀有限公司 | Valve stem closed sealing stop valve |
| CN102537506A (en) * | 2012-02-22 | 2012-07-04 | 浙江德卡控制阀仪表有限公司 | Three-level decompression regulating valve |
| CN203516884U (en) * | 2013-09-23 | 2014-04-02 | 杭州佳能阀门有限公司 | Regulating valve with high erosion resistance |
| CN203906842U (en) * | 2014-04-25 | 2014-10-29 | 济南大学 | Automatically sealed high pressure valve |
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| Publication number | Publication date |
|---|---|
| CN105020466A (en) | 2015-11-04 |
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