CN108644405A - A kind of high pressure seals diclinic degree ball valve firmly - Google Patents
A kind of high pressure seals diclinic degree ball valve firmly Download PDFInfo
- Publication number
- CN108644405A CN108644405A CN201810737905.5A CN201810737905A CN108644405A CN 108644405 A CN108644405 A CN 108644405A CN 201810737905 A CN201810737905 A CN 201810737905A CN 108644405 A CN108644405 A CN 108644405A
- Authority
- CN
- China
- Prior art keywords
- valve
- sealing
- graphite
- seal ring
- sealing surface
- Prior art date
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 104
- 239000002184 metal Substances 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 230000007423 decrease Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000009304 pastoral farming Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- 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
- F16K5/06—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 spherical surfaces; Packings therefor
- F16K5/0663—Packings
-
- 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
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
-
- 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
- F16K5/08—Details
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
- Gasket Seals (AREA)
Abstract
The present invention relates to a kind of high pressures to seal diclinic degree ball valve firmly.There are poor sealings for main existing ball valve, and stability is low, the technical issues of to cause the performance of product to decline.Including valve body, sphere and valve deck, valve deck includes upper valve base and lower valve base with valve body phase valve seat, sealing device is equipped between upper valve base and valve deck, sealing device includes graphite-seal ring, top pressure seat and spring, graphite-seal ring coordinates with upper valve base, valve bonnet seal, top pressure seat is between spring and graphite-seal ring, and top pressure seat coordinates with graphite-seal ring top pressure, graphite-seal ring includes interior upper sealing surface, lower sealing surface, inner sealing surface and external seal face, and upper sealing surface, lower sealing surface are the higher annular inclined surface in the relatively low outside in inside.The ball valve realizes the effect that sealing compensates automatically using double inclined plane, and the stability of graphite-seal ring entirety is enabled to effectively to be enhanced, the surrounding of graphite-seal ring and valve deck, valve seat are effectively realized multi-sealed, more rationally, effectively enhances the sealing performance of valve.
Description
Technical field
The present invention relates to a kind of valve, refers in particular to a kind of high pressure and seal diclinic degree ball valve firmly.
Background technology
Ball valve, the valve that opening and closing element (sphere) is driven by valve rod, and rotated around ball valve axis.Also it can be used for fluid
Adjusting and control.Ball valve is divided into according to type of drive：Pneumatic ball valve, electrical ball valve, manual ball valve.Currently, existing ball valve
Sealing ring is arranged to realize in most of sealing between valve seat and valve body, valve deck, itself, cannot not by extraneous active force
Automatic compensation, and the sealing ring is with the extension of validity period, it is easy to cause sealing performance to decline, causes to leak, and some balls
Although valve has automatic compensation, since its sealing structure is limited, cause its sealing performance unsatisfactory, to influence valve
Whole performance and service life.
Invention content
The shortcomings that in order to overcome background technology and shortcoming, a kind of high pressure of present invention offer seal diclinic degree ball valve firmly,
There are poor sealings for existing ball valve, and stability is low, to cause product performance decline the technical issues of.
The technical scheme is that：A kind of high pressure seals diclinic degree ball valve, including valve body, sphere, valve deck and valve firmly
Seat, the valve deck matches with valve body, and the valve seat includes upper valve base and lower valve base, the lower valve base be located at sphere and valve body it
Between, the upper valve base is equipped with sealing device, the sealing device between sphere and valve deck between the upper valve base and valve deck
Including graphite-seal ring, top pressure seat and spring, the graphite-seal ring coordinates with upper valve base, valve bonnet seal, the top pressure seat
Between spring and graphite-seal ring, one end of the spring and valve deck are inconsistent, and the other end and top pressure seat are inconsistent, and institute
It states top pressure seat with the graphite-seal ring top pressure to coordinate, the graphite-seal ring includes interior upper sealing surface, lower sealing surface, interior sealing
Face and external seal face, the upper sealing surface, lower sealing surface are the higher annular inclined surface in the relatively low outside in inside, the upper valve
Seat is equipped with the binding face to match with the lower sealing surface, and the top pressure seat is squeezed equipped with what is matched with the upper sealing surface
Pressure surface, the inner sealing surface fit with upper valve seating face, and the external seal face fits with valve deck.
Form " L " shape slot between the valve deck and upper valve base, " L " the shape slot includes that length is longer and horizontal distribution is led
Screens portion that is shorter to portion and length and being distributed vertically, the graphite-seal ring be caught in the screens portion and with valve deck, upper bottom
Seat constitutes location fit, and the top pressure seat slides along guide part and coordinates structure by compressive plane and graphite-seal ring top pressure up and down
Match at the upper sealing surface of the graphite-seal ring, lower sealing surface, inner sealing surface and external seal face and valve deck, upper valve base sealing
It closes.
The valve deck is equipped with groove, and one end of the spring is caught in groove, and the other end and top pressure seat are inconsistent.
The metal packing of sealing is equipped between the upper end and valve deck of the upper valve base.
Seal receptacle is equipped between the lower valve base and valve body, the upper valve base is upper equipped with coordinating with the ball seal
Valve seat angular sealing surface, the lower valve base are equipped with the lower valve base angular sealing surface coordinated with the ball seal.
The invention has the advantages that：The effect that sealing compensates automatically is realized using double inclined plane, and enables to stone
The stability of black sealing ring entirety is effectively enhanced so that the surrounding of graphite-seal ring can be with valve deck, valve seat effectively
It realizes multi-sealed, more rationally, the sealing performance of effective enhancing valve, prevents from causing to seal with the extension of validity period
Performance declines, to which the service life and performance of valve be effectively ensured.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention.
Fig. 2 is the sectional view of the present invention.
Fig. 3 is partial enlarged view at A in Fig. 2 of the present invention.
Fig. 4 is valve seat and spring, the exploded view of top pressure seat in the present invention.
Fig. 5 is another valve seat and spring, the exploded view of top pressure seat in the present invention.
Fig. 6 is valve seat and spring, the installation diagram of top pressure seat in the present invention.
In figure, valve body 1, sphere 2, valve deck 3, upper valve base 4, lower valve base 5, graphite-seal ring 6, top pressure seat 7, spring 8 is upper close
Cover 61, lower sealing surface 62, inner sealing surface 63, external seal face 64, binding face 9, compressive plane 10, " L " shape slot 11, guide part 111,
Screens portion 112, groove 12, metal packing 13, seal receptacle 14, upper valve base angular sealing surface 15, lower valve base angular sealing surface 16.
Specific implementation mode
The embodiment of the present invention is described further below for attached drawing：
As shown, a kind of high pressure seals diclinic degree ball valve, including valve body 1, sphere 2, valve deck 3 and valve seat firmly, it is described
Valve deck 3 is matched with valve body 1, and the valve seat includes upper valve base 4 and lower valve base 5, the lower valve base 5 be located at sphere 2 and valve body 1 it
Between, the upper valve base 4 is equipped with sealing device between sphere 2 and valve deck 3 between the upper valve base 4 and valve deck 3, described close
Seal apparatus includes graphite-seal ring 6, top pressure seat 7 and spring 8, and the graphite-seal ring 6 is matched with upper valve base 4, the sealing of valve deck 3
It closes, the top pressure seat 7 is between spring 8 and graphite-seal ring 6, and one end of the spring 8 and valve deck 3 are inconsistent, the other end
It is inconsistent with top pressure seat 7, and the top pressure seat 7 coordinates with 6 top pressure of the graphite-seal ring, the graphite-seal ring 6 includes interior
Upper sealing surface 61, lower sealing surface 62, inner sealing surface 63 and external seal face 64, the upper sealing surface 61, lower sealing surface 62 are
The higher annular inclined surface in the relatively low outside in inside, the upper valve base 4 are equipped with the binding face to match with the lower sealing surface 62
9, the top pressure seat 7 is equipped with the compressive plane 10 to match with the upper sealing surface 61, the inner sealing surface 61 and 4 table of upper valve base
Face fits, and the external seal face 64 fits with valve deck 3.Sealing ring combination spring and top pressure made of graphite material
The effect of seat realizes that close effect, the elastic force of spring are acted on by top pressure seat on graphite-seal ring, and top pressure seat passes through compressive plane top
In pressure when sealing surface, graphite-seal ring is acted on by lower sealing surface on valve seat, and due to the upper sealing surface on graphite-seal ring
With lower sealing surface be inclined surface formed loop configuration so that top pressure seat act on graphite-seal ring upper surface and graphite it is close
Seal ring acts on the complementation that valve seat forms upper and lower active force so that the stability of graphite-seal ring entirety is stronger, and upper sealing surface
Interior low outer high inclined ring structure is used with lower sealing surface, realizes the effect of sealing compensation so that graphite-seal ring expands, and prevents
Only locking between sphere and valve seat effectively enhances the sealing performance of product.According to said program, realize sealing certainly using double inclined plane
The effect of dynamic compensation, and the stability of graphite-seal ring entirety is enabled to effectively to be enhanced so that graphite-seal ring
Surrounding can effectively realize multi-sealed with valve deck, valve seat, be made under the high temperature conditions and pipeline low pressure using diclinic degree
In the case of, it can also seal rapidly.More rationally, the sealing performance of effective enhancing valve, prevents the extension with validity period
And sealing performance is caused to decline, to which the service life and performance of valve be effectively ensured.In the present invention, as shown,
Form " L " shape slot 11 between the valve deck 3 and upper valve base 4, " L " the shape slot 11 includes that length is longer and the guiding of horizontal distribution
Portion 111 and length is shorter and the screens portion 112 that is distributed vertically, the graphite-seal ring 6 is caught in the screens portion 112 and and valve
Lid 3, upper bed-plate 4 constitute location fit, and the top pressure seat 7 slides along about 111 guide part and passes through compressive plane 10 and graphite
The cooperation of 6 top pressure of sealing ring constitutes the upper sealing surface 61 of the graphite-seal ring 6, lower sealing surface 62, inner sealing surface 63 and outer close
Cover 64 coordinates with valve deck 3, the sealing of upper valve base 4.It is real by the way that graphite-seal ring is caught in the screens portion using " L " shape structure
The effect now positioned, and top pressure seat upper end along guiding movement have the function of be oriented to, and its lower end be caught in screens portion and with
Graphite-seal ring matches, and using the above scheme, has position stability strong, guidance quality is high, to effectively improve graphite grazing
The sealing effect and sealing performance of ring, ensure the performance of valve.
In the present invention, as shown, the valve deck 3 is equipped with groove 12, one end of the spring 8 is caught in groove 12
Interior, the other end and top pressure seat 7 are inconsistent.By the way that groove is arranged on valve deck, spring is snapped onto and realizes positioning in groove, improved
Position stability enhances the working performance of its spring.
In the present invention, as shown, being equipped with the metal packing of sealing between the upper end of the upper valve base 4 and valve deck 3
13.It is multi-sealed, anti-to realize in conjunction with the sealing performance of graphite-seal ring by adding the metal packing 13 of sealing
The effect of dirt more rationally, effectively improves sealing function, and prevents dust particles from entering spring, preferably ensure that valve
Usability, prolong the service life.
In the present invention, as shown, being equipped with seal receptacle 14 between the lower valve base 5 and valve body 1, on the upper valve base 4
Equipped with the upper valve base angular sealing surface 15 with the sealing cooperation of the sphere 2, the lower valve base 5 is equipped with matches with the sealing of the sphere 2
The lower valve base angular sealing surface 16 of conjunction.Seal receptacle is set between lower valve and valve body, and on upper valve base, lower valve base in setting
Sealing is realized in valve seat angular sealing surface, lower valve base angular sealing surface and sphere cooperation, dynamic between valve body and sphere to ensure
Sealing performance.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.
Claims (5)
1. a kind of high pressure seals diclinic degree ball valve, including valve body (1), sphere (2), valve deck (3) and valve seat, the valve deck firmly
(3) it is matched with valve body (1), the valve seat includes upper valve base (4) and lower valve base (5), and the lower valve base (5) is located at sphere (2)
Between valve body (1), the upper valve base (4) is located between sphere (2) and valve deck (3), it is characterised in that：The upper valve base (4)
Sealing device is equipped between valve deck (3), the sealing device includes graphite-seal ring (6), top pressure seat (7) and spring (8),
The graphite-seal ring (6) coordinates with upper valve base (4), valve deck (3) sealing, and the top pressure seat (7) is located at spring (8) and graphite is close
Between seal ring (6), one end of the spring (8) and valve deck (3) are inconsistent, and the other end and top pressure seat (7) are inconsistent, and the top
Wedge (7) coordinates with the graphite-seal ring (6) top pressure, and the graphite-seal ring (6) includes interior upper sealing surface (61), lower sealing
Face (62), inner sealing surface (63) and external seal face (64), the upper sealing surface (61), lower sealing surface (62) are that inside is relatively low
The higher annular inclined surface in outside, the upper valve base (4) are equipped with the binding face (9) to match with the lower sealing surface (62),
The top pressure seat (7) is equipped with the compressive plane (10) that matches with the upper sealing surface (61), the inner sealing surface (61) with it is upper
Valve seat (4) surface fits, and the external seal face (64) fits with valve deck (3).
2. high pressure according to claim 1 seals diclinic degree ball valve firmly, it is characterised in that：The valve deck (3) and upper valve base (4) it
Between form " L " shape slot (11), " L " the shape slot (11) include that length is longer and the guide part (111) of horizontal distribution and length compared with
Screens portion (112) that is short and being distributed vertically, the graphite-seal ring (6) be caught in the screens portion (112) and with valve deck (3),
Upper bed-plate (4) constitutes location fit, the top pressure seat (7) slide up and down along guide part (111) and by compressive plane (10) and
The upper sealing surface (61) of graphite-seal ring (6) top pressure cooperation composition graphite-seal ring (6), lower sealing surface (62), interior sealing
Face (63) and external seal face (64) coordinate with valve deck (3), upper valve base (4) sealing.
3. sealing diclinic degree ball valve firmly according to the high pressure of claims 1 or 2, it is characterised in that：The valve deck (3) is equipped with groove
(12), one end of the spring (8) is caught in groove (12), and the other end and top pressure seat (7) are inconsistent.
4. sealing diclinic degree ball valve firmly according to the high pressure of claims 1 or 2, it is characterised in that：The upper end of the upper valve base (4) with
The metal packing (13) of sealing is equipped between valve deck (3).
5. sealing diclinic degree ball valve firmly according to the high pressure of claims 1 or 2, it is characterised in that：The lower valve base (5) and valve body
(1) seal receptacle (14) is equipped between, the upper valve base (4) is equipped with close with the upper valve base inclination of the sphere (2) sealing cooperation
Cover (15), the lower valve base (5) are equipped with the lower valve base angular sealing surface (16) with the sphere (2) sealing cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810737905.5A CN108644405A (en) | 2018-07-06 | 2018-07-06 | A kind of high pressure seals diclinic degree ball valve firmly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810737905.5A CN108644405A (en) | 2018-07-06 | 2018-07-06 | A kind of high pressure seals diclinic degree ball valve firmly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108644405A true CN108644405A (en) | 2018-10-12 |
Family
ID=63750468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810737905.5A Pending CN108644405A (en) | 2018-07-06 | 2018-07-06 | A kind of high pressure seals diclinic degree ball valve firmly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108644405A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606764A (en) * | 2012-03-29 | 2012-07-25 | 浙江超达阀门股份有限公司 | Ball valve seat structure with spring sealing mechanism |
| CN202484346U (en) * | 2012-03-29 | 2012-10-10 | 浙江超达阀门股份有限公司 | Ball valve seat structure with spring sealing mechanism |
| WO2014161207A1 (en) * | 2013-04-04 | 2014-10-09 | Qiu Jinquan | New high-pressure micro-torque ball valve |
| CN205689792U (en) * | 2016-04-28 | 2016-11-16 | 超达阀门集团股份有限公司 | A kind of anti-blocking resistance to erosion stop valve |
| CN205937945U (en) * | 2016-08-17 | 2017-02-08 | 超达阀门集团股份有限公司 | Two -way metal seal's of high temperature unsteady ball valve |
-
2018
- 2018-07-06 CN CN201810737905.5A patent/CN108644405A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606764A (en) * | 2012-03-29 | 2012-07-25 | 浙江超达阀门股份有限公司 | Ball valve seat structure with spring sealing mechanism |
| CN202484346U (en) * | 2012-03-29 | 2012-10-10 | 浙江超达阀门股份有限公司 | Ball valve seat structure with spring sealing mechanism |
| WO2014161207A1 (en) * | 2013-04-04 | 2014-10-09 | Qiu Jinquan | New high-pressure micro-torque ball valve |
| CN205689792U (en) * | 2016-04-28 | 2016-11-16 | 超达阀门集团股份有限公司 | A kind of anti-blocking resistance to erosion stop valve |
| CN205937945U (en) * | 2016-08-17 | 2017-02-08 | 超达阀门集团股份有限公司 | Two -way metal seal's of high temperature unsteady ball valve |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181012 |