CN105605239B - Round platform spool and the processing method of round platform valve and round platform spool - Google Patents
Round platform spool and the processing method of round platform valve and round platform spool Download PDFInfo
- Publication number
- CN105605239B CN105605239B CN201510742306.9A CN201510742306A CN105605239B CN 105605239 B CN105605239 B CN 105605239B CN 201510742306 A CN201510742306 A CN 201510742306A CN 105605239 B CN105605239 B CN 105605239B
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- round platform
- spool
- valve body
- valve
- round
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
- F16K5/0207—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor with special plug arrangement, e.g. special shape or built in means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/001—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass valves or valve housings
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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
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/062—Construction of housing; Use of materials therefor of taps or cocks with conical plugs
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
- F16K5/0257—Packings
- F16K5/0278—Packings on the plug
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
- Multiple-Way Valves (AREA)
Abstract
Of the invention and a kind of round platform spool and the processing method of round platform valve and round platform spool, spool includes a round platform, the round platform lower part is provided with round table-like cavity, and round platform side wall is provided with the through-hole being connected with cavity, and the upper bottom surface of the round platform is provided with the groove for being connected with valve rod；Round platform valve is by valve body, spool and valve rod composition, the valve body is divided into two parts, by flanged joint, joint face is in a plane or an inclined-plane, a wherein valve inner is provided with the round table-like chamber with port, spool is mounted in the chamber, spool is provided with upper sealing ring with chamber inner wall, exit seal ring and lower balance ring, another valve body is provided with annular stage on joint face, elastomeric pad is set above, gasket is engaged with round platform bottom surface, when joint face flange is locked, one valve body forms thrust by elastomeric pad to spool, realize that spool outer wall or chamber inner wall are adjacent to sealing to sealing ring.The round platform spool and round platform valve are not only compact-sized, easy to process, and no corner or spot as yet untouched by a clean-up campaign, self-compensation sealed is strong, can become existing valvular update substitute products.
Description
Technical field
The present invention relates to a kind of round platform spool and the processing methods of round platform valve and round platform spool.
Background technology
The spool of existing conical valve is integrally formed, and the gluing, sealing between spool and valve seat is all to pass through valve more with valve rod
The pretightning force that is formed is realized, therefore its core bar structure is more complicated when spring nut is locked on bar, and not only processing difficulties repairs is not
Just, when and manufacturing big orifice conical valve, the coupling mechanism force of spring nut formation, it is difficult to meet the needs of pre- tightening seal.It bores simultaneously
Valve more complicated structure in face is unfavorable for the installation and maintenance at scene.Other various types of other valves, though each have their own use, respectively has each
Advantage and disadvantage, but practical application is not always highly satisfactory.A kind of new valve that can have both all kinds of valve advantages is needed thus.
Invention content
The purpose of the present invention is to provide a kind of simple and compact for structure, processing, round platform spool easy to maintenance and it is complete after
The superior valve of structural behaviour, it can substitute existing ball valve, gate valve, shut-off valve and butterfly valve, regulating valve etc. extensively.
Technical program of the present invention lies in：A kind of round platform spool, including a round platform, the round platform lower part is provided with round table-like
Cavity, round platform side wall is provided with the through-hole being connected with cavity, and the upper bottom surface of the round platform is provided with to be connected with valve rod
The groove or the upper bottom surface of round platform connect is provided with integrally formed valve rod.
Further, the busbar of the round platform is identical with the angle of round platform axis with the Cavity surface of the angle of axis and cavity,
Angle is 20 ° ~ 60 °.
Further, the round platform upper portion side wall is provided with upper sealing ring, and the side that round platform middle part of sliding channel is located at through-hole is set
Exit seal ring is equipped with, round platform lower sides are provided with the lower balance ring with notch.
Further, the through-hole of the round platform side wall is round, triangle or rectangle, the round platform can with upper sealing ring,
Exit seal ring and lower balance ring are integrally formed.
A kind of direct current round platform valve, including round platform spool and valve body, the valve body is formed and is engaged by left valve barrel and right valve barrel
Face is an inclined-plane, and configured in the flanged joint on left and right valve body, and the round platform spool is mounted on that right valve barrel is tilting and band
Have in the round table-like chamber of port.
Further, the composition surface of the left valve barrel is provided with recessed annular stage, is provided in the annular stage
Elastomeric pad.
A kind of straight-through round platform valve, including round platform spool and valve body, the valve body is made of upper valve body and lower valve body, it is described on
Valve body offers side wall with the round table-like chamber of through-hole and top with port, and the round platform spool is mounted on round table-like chamber
Interior, the lower valve body offers the longitudinal hole being connected with inlet pipeline, and the upper valve body is installed vertically on the vertical of lower valve body
Into through-hole, upper and lower valve body is through flanged joint.
Further, the longitudinal hole lower part of the lower valve body is provided with recessed annular stage, in the annular stage
It is provided with elastomeric pad.
A kind of angle round platform valve, including round platform spool and valve body, the valve body is made of upper valve body and lower valve body and faying face
For a plane, and configured in the flanged joint on upper and lower valve body, the round platform spool be mounted on be opened in upper valve body left part and
In round table-like chamber with port, recessed annular stage, the annular stage are provided on the composition surface of the lower valve body
On be provided with elastomeric pad
A kind of processing method of round platform spool, includes the following steps：
1）The circle that the round table-like cavity of prefabricated lower bands, lateral through aperture are communicated with cavity by the way of casting or forging and stamping
Platform；
2）A groove is milled out in round platform upper bottom surface or a valve rod is made by the way of wire cutting or vehicle；
3）In the method that vehicle and milling are used on round platform side wall, lower balance ring, upper sealing ring and exit seal ring are inlayed in grooving；
Or balance ring, upper sealing ring and exit seal ring are integrally formed on round platform side wall by under in casting, forging and stamping；
4）Round platform side wall or lower balance ring, upper sealing ring and exit seal ring are added using vehicle and surface treatment method
Work；
5）To one layer of tetrafluoro of round platform spool even application, ceramics or carbofrax material.
Compared with prior art, the present invention has the following advantages：
1）Valve core structure is extremely simple compact, handling ease, complete convenience；
2）Whole valve arrangement is simple, and factorial lumber is few, energy-saving apparent；
3）Flange lock sealing mode makes valve processing enlargement；
4）Wear-resistant, corrosion-resistant, self-compensation sealed is good；
5）Without dead angle in valve, safe and healthy hidden danger is fundamentally eliminated；
6）As flow-rate adjustment, flow resistance is small, and speed is fast, and effect is good；
7）Have a wide range of application, ball valve, dish valve, gate valve and shut-off valve can be replaced extensively.
Description of the drawings
Fig. 1 is the structure diagram of the round platform spool of the embodiment of the present invention one；
Fig. 2 is another structure diagram of the round platform spool of the embodiment of the present invention two；
Fig. 3 is the structure diagram of the direct current round platform valve of the embodiment of the present invention three；
Fig. 4 is the structure diagram of the straight-through round platform valve of the embodiment of the present invention four；
Fig. 5 is the structure diagram of the angle round platform valve of the embodiment of the present invention five；
In figure：1- spool 10- round platform 11- cavity 12- through-hole 13- valve rod 14- groove 15- upper sealing rings
Balance ring 171- notches 18- angles 20- left valve barrel 21- right valve barrel 22- round platforms under 16- exit seal rings 17-
Shape chamber 23- elastomeric pad 24- alveolus 30- upper valve body 31- lower valve body 32- longitudinal hole 40- upper valve bodies
41- lower valve bodies.
Specific embodiment
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and coordinate attached drawing, make detailed
It is carefully described as follows, but the present invention is not limited thereto.
Embodiment one is with reference to figure 1
A kind of round platform spool, including a round platform 10, the round platform lower part is provided with round table-like cavity 11, to make round platform
The uniform wall thickness and thickness of spool are suitable.Round platform side wall is provided with the through-hole 12 being connected with cavity, described so as to flow of media
The upper bottom surface of round platform is provided with the rectangular or rectangular recess 14 for being connected with valve rod 13, and the construction of this round platform spool is the simplest
It is single.Or the upper bottom surface of round platform is provided with integrally formed valve rod, this is conducive to the bonding strength for improving valve rod and round platform.
In the present embodiment, the round platform busbar and the angle of round platform axis and the Cavity surface of cavity and the angle 18 of round platform axis
Identical, angle is controlled at 20 ° ~ 60 °, and in specific circumstances, suitable angle is conducive to round platform lateral through aperture and opens to maximum.
In the present embodiment, the through-hole of the round platform side wall may be selected to be arranged to round, triangle or rectangle etc., so that different
Use occasion under medium it is linear or non-linear by the discharge characteristic of spool, when spool is turned on and off, round platform valve has
Good Flow Adjusting Performance.
Embodiment two is with reference to figure 2
A kind of round platform spool, including a round platform 10, the round platform lower part is provided with round table-like cavity 11, to make round platform
The uniform wall thickness and thickness of spool are suitable.Round platform side wall is provided with the through-hole 12 being connected with cavity, described so as to flow of media
The upper bottom surface of round platform is provided with the rectangular or rectangular recess 14 for being connected with valve rod；Or the upper bottom surface of round platform is provided with one
Molding valve rod, this is conducive to the bonding strength for improving valve rod and round platform.
In the present embodiment, the round platform upper portion side wall is provided with upper sealing ring 15, and round platform middle part of sliding channel is located at the side of through-hole
Side is provided with exit seal ring 16, i.e. exit seal ring is arranged on round platform middle part of sliding channel in the other positions in addition to through-hole.Round platform
Lower sides are provided with lower balance ring 17；It is spaced apart in the lower balance ring and is equipped with notch 171, so that upper sealing ring, outlet are close
The lacuna formed between seal ring and lower balance ring and valve body is connected with valve channel, avoids generating safety and sanitation dead angle.
In the present embodiment, the round platform can be integrally formed with upper sealing ring, exit seal ring and lower balance ring, be added in this way
Strong mechanical strength between them, when processing, easily make the sealing surface of three rings on same frustum cone side, and then ensure again
Sealing effect when chamber inner wall is bonded with sealing ring.Or upper sealing ring, exit seal ring and lower balance ring are directly inlayed in circle
On platform.
In the present embodiment, the busbar of the round platform and the Cavity surface of the angle of round platform axis and cavity and the angle of round platform axis
18 is identical, and angle is controlled at 20 ° ~ 60 °, and in specific circumstances, the lateral through aperture that suitable angle is conducive to round platform is opened to maximum.
In the present embodiment, if the round platform is firm using metal, ceramics etc. with upper sealing ring, exit seal ring and lower balance ring
Property material be integrally formed, then seal spool ring is bonded to form hard sealing with valve chamber inner wall；If the round platform and upper sealing ring,
Exit seal ring and lower balance ring are provided with using the integrated molding of the elastic plastic materials such as tetrafluoro or the round platform side wall bushing
The elastic plastic material of sealing ring, exit seal ring and lower balance ring, then seal spool ring be bonded to be formed with valve chamber inner wall
Soft seal.
In the present embodiment, the through-hole of the round platform side wall may be selected to be arranged to round, triangle or rectangle etc., so that different
Use occasion under medium it is linear or non-linear by the discharge characteristic of spool, when spool is turned on and off, round platform valve has
Good Flow Adjusting Performance.
With reference to figure 1 and Fig. 3
A kind of three direct current round platform valve of embodiment, including left valve barrel 20, right valve barrel 21 and round platform spool 1, the left valve barrel and
The composition surface of right valve barrel is an inclined-plane, and configured in the flanged joint on left and right valve body, and the round platform spool is mounted on right valve
Body is tilting and carries in the round table-like chamber 22 of port, and upper sealing ring is provided between round table-like chamber inner wall and round platform spool
15th, exit seal ring 16 and lower balance ring 17.
In the present embodiment, the composition surface of the left valve barrel is provided with recessed annular stage, is set in the annular stage
Flexible gasket 23, when the flange of the left and right valve body is locked, left valve barrel forms axial thrust by elastomeric pad to spool,
That realizes round platform spool outer wall or round table-like chamber inner wall and sealing ring is adjacent to sealing.
In the present embodiment, the upper sealing ring, exit seal ring and lower balance ring can be arranged on right valve barrel inner wall or valve
On outer core, it can also be integrally formed with spool or right valve barrel.Upper sealing ring ensures whenever to flow through the medium of round platform valve not
It leaks, exit seal ring ensures the not interior leakage of medium during round platform valve breakdown in valve body, and the effect of lower balance ring is Constraints of Equilibrium circle
Deck valve core, not sideslip when making its rotation, does not shake.
In the present embodiment, the upper sealing ring, exit seal ring and lower balance ring are using rigid materials such as metal or ceramics
It makes, round platform valve is hard sealing means, is made of plastic materials such as tetrafluoros, and round platform valve is soft seal mode.
In the present embodiment, the tilting round table-like chamber of the right valve barrel is designed with close to port one end for self-compensating chamber
Area 24, so that spool realizes wear-self-compensation.Valve rod is pluggable on the rectangular or rectangular recess on spool top, can also be with valve
Core is integrally formed the bonding strength to improve valve rod and spool.
When in use, valve rod mounting means directed downwardly can be used in round platform valve, and spool dead weight helps to improve oneself of round platform valve
Sealing and wear-self-compensation effect, the scene dismounting for facilitating round platform valve member are safeguarded.
In the present embodiment, the through-hole of the round platform side wall is arranged to round, triangle or rectangle etc., and medium passes through spool stream
Go out the flow of pipe outlet and round platform valve opening is linear or non-linear relation, round platform valve have good Flow Adjusting Performance.
Mutually complete with the driving devices such as electric and pneumatic and controller, the direct current round platform regulating valve of composition has flow resistance small, adjusts
Speed is fast, compact-sized, distinguishing feature easy for installation.
With reference to figure 1 and Fig. 4
A kind of straight-through round platform valve of example IV, including upper valve body 30, lower valve body 31 and round platform spool 1, in the lower valve body
Portion offers the longitudinal hole 32 communicated with valve body import channel, and the upper valve body offers the round table-like chamber 22 with through-hole,
The upper valve body offers side wall with the round table-like chamber of through-hole and top with port, and the round platform spool is mounted on upper valve
In the round table-like chamber of body, upper sealing ring, exit seal ring and lower balance are provided between round table-like chamber inner wall and round platform spool
Ring, the upper valve body equipped with round platform spool are vertically mounted in the longitudinal hole of lower valve body, and upper and lower valve body leans on flanged joint.
In the present embodiment, the lower part of the lower valve body through-hole is provided with recessed annular stage, is set in the annular stage
Elastomeric pad 23 is equipped with, when the flange of upper and lower valve body is locked, lower valve body annular stage is formed upwards spool by elastomeric pad
Longitudinal thrust, realize that round platform spool outer wall or round table-like chamber inner wall are adjacent to sealing to sealing ring.
In the present embodiment, the upper sealing ring, exit seal ring and lower balance ring can be arranged on round platform spool side wall
It, can also be with round platform spool or upper valve body by integral forming or on the round table-like chamber inner wall of upper valve body.Upper sealing ring it is effective close
The medium that sealing ensures whenever to flow through round platform valve does not leak, and effective sealing of exit seal ring ensures valve body during round platform valve breakdown
The not interior leakage of interior medium, the effect of lower balance ring is Constraints of Equilibrium round platform, and not sideslip when making its rotation does not shake.
In the present embodiment, the upper sealing ring, exit seal ring and lower balance ring are using rigid materials such as metal or ceramics
It makes, round platform valve is hard sealing means, is made of plastic materials such as tetrafluoros, and round platform valve is soft seal mode.
In the present embodiment, the round table-like chamber design of the upper valve body is useful for self-compensating alveolus 24, so as to spool reality
Existing wear-self-compensation.Valve rod is pluggable on the rectangular or rectangular recess on the spool top, can also be integrally formed with spool
To improve the bonding strength of valve rod and spool.
When in use, valve rod mounting means directed downwardly can be used in round platform valve, and spool dead weight helps to improve oneself of round platform valve
Sealing and wear-self-compensation effect.
In the present embodiment, the through-hole of the round platform side wall is arranged to round, triangle or rectangle etc., and medium passes through spool stream
Go out the flow of pipe outlet and round platform valve opening is linear or non-linear relation, round platform valve have good Flow Adjusting Performance.
It is mutually complete with the driving devices such as electric and pneumatic and controller, that is, form straight-through round platform regulating valve.
With reference to figure 1 and Fig. 5
A kind of five angle round platform valve of embodiment, forms, the upper valve body including upper valve body 40, lower valve body 41 and round platform spool 1
It is plane with lower valve body faying face, and the configured flanged joint in upper and lower valve body, the round platform spool are mounted on and are opened in
In valve body left part and round table-like chamber with port in 22, sealing is provided between round table-like chamber inner wall and round platform spool
Ring, exit seal ring and lower balance ring.
In the present embodiment, recessed annular stage is provided on the composition surface of the lower valve body, is set in the annular stage
Elastomeric pad 23 is equipped with, when the flange of the upper and lower valve body is locked, lower valve body is formed upwards round platform spool by elastomeric pad
Longitudinal thrust, realize that round platform spool outer wall or round table-like chamber inner wall are adjacent to sealing to sealing ring.
In the present embodiment, the upper sealing ring, exit seal ring and lower balance ring can be arranged on round platform spool side wall
It, can also be with round platform spool or upper valve body by integral forming or on the round table-like chamber inner wall of upper valve body.Effective sealing of upper sealing ring
The medium for ensuring whenever to flow through round platform valve does not leak, and effective sealing of exit seal ring is ensured during round platform valve breakdown in valve body
The not interior leakage of medium, the effect of lower balance ring is Constraints of Equilibrium round platform, and not sideslip when making its rotation does not shake.
In the present embodiment, the upper sealing ring, exit seal ring and lower balance ring are using rigid materials such as metal or ceramics
It makes, round platform valve is hard sealing means, is made of plastic materials such as tetrafluoros, and round platform valve is soft seal mode.
In the present embodiment, the round table-like chamber design of the upper valve body is useful for self-compensating alveolus 24, so as to spool reality
Existing wear-self-compensation.Valve rod is pluggable on the rectangular or rectangular recess on the spool top, can also be integrally formed with spool
To improve the bonding strength of valve rod and round platform spool.
In the present embodiment, round platform valve uses valve rod mounting means directed downwardly, and spool dead weight helps to improve oneself of round platform valve
Sealing and wear-self-compensation effect.
In the present embodiment, the through-hole selection of the round platform side wall is arranged to round, triangle or rectangle etc., and medium passes through valve
The flow and round platform valve opening of core outflow pipe outlet are linearly or non-linear relation, round platform valve have good flow-rate adjustment
Energy.It is mutually complete with the driving devices such as electric and pneumatic and controller, that is, form angle round platform regulating valve.
A kind of processing method of round platform spool, includes the following steps：
1）The circle that the round table-like cavity of prefabricated lower bands, lateral through aperture are communicated with cavity by the way of casting or forging and stamping
Platform controls the angle of the round platform busbar, cavity cavity wall and axis always between 20 ~ 60 ° so that the lateral through aperture of round platform open to
Maximum, the uniform wall thickness and thickness of round platform spool are suitable；
2）A groove is milled out in round platform upper bottom surface or a valve rod is made by the way of wire cutting or vehicle；
3）In the method that vehicle and milling are used on round platform side wall, lower balance ring, upper sealing ring and exit seal ring are inlayed in grooving；
Or balance ring, upper sealing ring and exit seal ring are integrally formed on round platform side wall by under in casting, forging and stamping；
4）Round platform side wall or lower balance ring, upper sealing ring and exit seal ring are added using vehicle and surface treatment method
Work ensures the machining accuracy and roughness of round platform side wall and lower balance ring, upper sealing ring and exit seal ring；
5）To materials such as one layer of tetrafluoro of round platform spool even application, ceramics or silicon carbide, the corrosion-resistant of round platform spool is improved
And abrasion resistance properties, for use in special industry.
The foregoing is merely presently preferred embodiments of the present invention, for the ordinary skill in the art, according to this hair
Bright introduction, designs various forms of round platform spools and round platform valve does not need to performing creative labour, is not departing from the present invention
Principle and spirit in the case of all equivalent changes made according to scope of the present invention patent, modification, replacement and modification, all should
Belong to the covering scope of the present invention.
Claims (6)
1. a kind of round platform spool, including a round platform, which is characterized in that the round platform lower part is provided with round table-like cavity, round platform
Side wall is provided with the through-hole being connected with cavity, and the upper bottom surface of the round platform is provided with the groove for being connected with valve rod；Institute
The busbar for stating round platform is identical with the angle of round platform axis with the Cavity surface of the angle of axis and cavity, and angle is 20 ° ~ 60 °；The circle
Platform upper portion side wall is provided with upper sealing ring, and the side that round platform middle part of sliding channel is located at through-hole is provided with exit seal ring, round platform lower part
Side wall is provided with the lower balance ring with notch；The round platform is integrally formed with upper sealing ring, exit seal ring and lower balance ring.
2. round platform spool according to claim 1, which is characterized in that the through-hole of the round platform side wall is round, triangle
Or rectangle.
3. a kind of direct current round platform valve, including the round platform spool and valve body described in claims 1 or 2, which is characterized in that the valve body
It is made of left valve barrel and right valve barrel and composition surface is an inclined-plane, and configured in the flanged joint on left and right valve body, the round platform
Spool is mounted on that right valve barrel is tilting and in round table-like chamber with port, the composition surface of the left valve barrel is provided with recessed
Annular stage, it is described annular stage on be provided with elastomeric pad.
4. a kind of straight-through round platform valve, including the round platform spool and valve body described in claims 1 or 2, which is characterized in that the valve body
It being made of upper valve body and lower valve body, the upper valve body offers side wall with the round table-like chamber of through-hole and top with port,
The round platform spool is mounted in round table-like chamber, and the lower valve body offers the longitudinal hole being connected with inlet pipeline, institute
It states upper valve body to be installed vertically in the longitudinal hole of lower valve body, upper and lower valve body is through flanged joint, the longitudinal hole of the lower valve body
Lower part is provided with recessed annular stage, and elastomeric pad is provided in the annular stage.
5. a kind of angle round platform valve, including the round platform spool and valve body described in claims 1 or 2, which is characterized in that the valve body by
Upper valve body and lower valve body form and faying face is a plane, and configured in the flanged joint on upper and lower valve body, the round platform valve
Core, which is mounted on, to be opened in upper valve body left part and has in the round table-like chamber of port, is provided with down on the composition surface of the lower valve body
Recessed annular stage, it is described annular stage on be provided with elastomeric pad.
6. a kind of processing method of round platform spool as claimed in claim 1 or 2, which is characterized in that include the following steps：
1）The round platform that the round table-like cavity of prefabricated lower bands, lateral through aperture are communicated with cavity by the way of casting or forging and stamping；
2）A groove is milled out in round platform upper bottom surface or a valve rod is made by the way of wire cutting or vehicle；
3）In the method that vehicle and milling are used on round platform side wall, lower balance ring, upper sealing ring and exit seal ring are inlayed in grooving；Or
Lower balance ring, upper sealing ring and exit seal ring are integrally formed on round platform side wall when casting, forging and stamping；
4）Round platform side wall or lower balance ring, upper sealing ring and exit seal ring are processed using vehicle and surface treatment method；
5）To one layer of tetrafluoro of round platform spool even application, ceramics or carbofrax material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510742306.9A CN105605239B (en) | 2015-11-05 | 2015-11-05 | Round platform spool and the processing method of round platform valve and round platform spool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510742306.9A CN105605239B (en) | 2015-11-05 | 2015-11-05 | Round platform spool and the processing method of round platform valve and round platform spool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105605239A CN105605239A (en) | 2016-05-25 |
| CN105605239B true CN105605239B (en) | 2018-06-08 |
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| CN201510742306.9A Active CN105605239B (en) | 2015-11-05 | 2015-11-05 | Round platform spool and the processing method of round platform valve and round platform spool |
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| CN110454584B (en) * | 2019-08-23 | 2024-04-26 | 福建开立通科技有限公司 | Dead-angle-free abrasion-resistant round table valve capable of detecting sealing specific pressure and processing method thereof |
| CN112696504A (en) * | 2020-12-21 | 2021-04-23 | 浙江伯特利科技股份有限公司 | Cone-shaped valve without middle cavity gap |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN87215297U (en) * | 1987-12-31 | 1988-11-02 | 刘叔铭 | Houow plug tap |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105605239A (en) | 2016-05-25 |
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