CN104315188A - Novel active seal ball valve - Google Patents
Novel active seal ball valve Download PDFInfo
- Publication number
- CN104315188A CN104315188A CN201410547949.3A CN201410547949A CN104315188A CN 104315188 A CN104315188 A CN 104315188A CN 201410547949 A CN201410547949 A CN 201410547949A CN 104315188 A CN104315188 A CN 104315188A
- Authority
- CN
- China
- Prior art keywords
- ball
- seat
- valve
- anchor ring
- ring
- 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.)
- Granted
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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
-
- 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
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
Abstract
The invention discloses a novel active seal ball valve. A ball core is arranged in the valve cavity of a valve constructed by hermetically connecting a right valve body with a left valve body; a valve seat is arranged on joints between a right valve body inner pipeline and the ball core as well as between a left valve body inner pipeline and the ball core respectively; the top of the ball core is connected with a valve rod for manually and horizontally rotating the ball core; the valve rod extends out of the valve cavity side face of the left valve body; a central through hole is formed along the horizontal direction of the ball core; circular grooves are symmetrically formed in spherical surfaces on two horizontal sides of the central through hole of the ball core; ball sealing rings matched with the valve seats are arranged on the circular grooves; the ball sealing rings and the valve seats are of annular stepped structures; the ball sealing rings and the valve seats are connected through respective stepped annular sealing surfaces to realize active seal. A sealing pair having an active sealing function is designed, so that the sealing effect of the valve is enhanced, and the service life of the valve is prolonged.
Description
Technical field
The present invention relates to a kind of ball valve, particularly relate to a kind of Novel main moving sealed ball valve.
Background technique
Ball valve is a kind of special pipeline parts being used for controlling flow rate and the flow direction in fluid line transporting system.It has very large impact to the stability of whole system work and reliability, is therefore called " throat of pipeline ".Sealability needs in valve using process to pay close attention to an important performance, which determines the safety reliability of the use of valve.For existing ball valve, mainly utilize the contact between valve seat and ball to form sealing pair, reach sealing effect.But in use still there is larger problem in this passive seal form.
Summary of the invention
In order to solve the sealing problem in background technique, the sealing technique of the present invention to ball valve is studied further, provides a kind of Novel main moving sealed ball valve, when valve closing, is compressed, improve the sealing effect of valve by the active between sealing surface.
In order to achieve the above object, the technical solution used in the present invention is as follows:
Comprise right valve barrel, left valve barrel, ball core and valve rod; Also comprise ball seal ring and valve seat; Ball core is contained in and is tightly connected in the valve pocket of the valve formed by right valve barrel and left valve barrel, right valve barrel interior conduit and left valve barrel interior conduit are equipped with a valve seat with ball core connection respectively, ball core top connects the valve rod being used for manual horizontal rotating sphere core, and valve rod stretches out from the valve pocket side of left valve barrel; Ball core substantially horizontal has central through bore, on the spherical surface of the horizontal both sides of ball core central through bore, symmetry has circular shape groove, the ball seal ring matched with valve seat circular shape groove is equipped with, ball seal ring and valve seat are annular step ladder type structure, and ball seal ring and valve seat realize realizing active sealing by the connection of respective cascade annular sealing surface.
Described ball seal ring: ladder inner ring face is ball annular sphere, face, ladder outer ring is formed by the not contour hemisphere anchor ring linking in the outer hemisphere anchor ring of semiorbicular ball and ball that is; Ball annular sphere is towards outer protrusion annular sphere, and in the outer hemisphere anchor ring of ball and ball, hemisphere anchor ring is towards outer protrusion semi-circular sphere, and the outer hemisphere anchor ring inner edge of ball is higher than ball annular sphere outer rim, and in ball, hemisphere anchor ring inner edge is lower than ball annular sphere outer rim;
Described valve seat: ladder inner ring face is seat annular sphere, face, ladder outer ring is formed by the not contour hemisphere anchor ring linking in the outer hemisphere anchor ring of semiorbicular seat and seat that is; Seat annular sphere is towards interior indent annular sphere, and in the outer hemisphere anchor ring of seat and seat, hemisphere anchor ring is towards interior indent semi-circular sphere, and the outer hemisphere anchor ring inner edge of seat is lower than seat annular sphere outer rim, and in seat, hemisphere anchor ring inner edge is higher than seat annular sphere outer rim.
The outer semi-circular cylinder between hemisphere anchor ring inner edge and ball annular sphere outer rim of described ball is ball inner seal ring face, semi-circular cylinder in ball between hemisphere anchor ring inner edge and ball annular sphere outer rim is ball external sealed anchor ring, and the outer hemisphere anchor ring of ball is that ball seals section with the section that is connected in ball between hemisphere anchor ring;
The outer semi-circular cylinder between hemisphere anchor ring inner edge and seat annular sphere outer rim of described seat is seat external sealed anchor ring, in seat, hemisphere anchor ring inner edge is seat inner seal ring face higher than the semi-circular cylinder between seat annular sphere outer rim, and the linking section in the outer hemisphere anchor ring of seat and seat between hemisphere anchor ring is seat sealing section;
The ball inner seal ring face of ball seal ring, ball external sealed anchor ring and ball sealing section seals section respectively and to match the realizing active sealing pair forming ball valve with the seat external sealed anchor ring of valve seat, seat inner seal ring face and seat.
The inside and outside edge of described ball annular sphere is identical with the inside and outside edge diameter of seat annular sphere respectively, the inside and outside edge of the outer hemisphere anchor ring of ball is identical with the inside and outside edge diameter of hemisphere anchor ring outside seat respectively, and in ball, the inside and outside edge of hemisphere anchor ring is identical with the inside and outside edge diameter of hemisphere anchor ring in seat respectively.
Described ball core top has curve bath, and valve rod lower end embeds and is arranged in curve bath.
The groove depth of described circular shape groove is 3-5mm.
The beneficial effect that the present invention has is:
(1) adopt valve seat and the ball seal ring of sphere annular ledge structure, enabling ball valve obtain effective realizing active sealing when closing, improve the sealing effect of valve;
(2) valve seat adopted and ball seal ring are that independent two parts can be dismantled, and then improve the use of valve;
(3) adopt two sealing pair structures, further can ensure the sealing effect of valve, extend the working life of valve.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is ball cored structure schematic diagram of the present invention.
Fig. 3 is ball seal ring schematic diagram of the present invention.
Fig. 4 is valve seat plan view of the present invention.
Fig. 5 is Fig. 1 top cross-sectional view of ball valve closing process of the present invention.
Fig. 6 is Fig. 1 top cross-sectional view of ball valve closed position of the present invention.
In figure: 1, right valve barrel, 2, left valve barrel, 3, ball core, 3A, circular shape groove, 3B, curve bath, 4, valve rod, 5, ball seal ring, 5A, ball inner seal ring face, 5B, ball external sealed anchor ring, 5C, ball sealing section, the outer hemisphere anchor ring of 5D, ball, hemisphere anchor ring in 5E, ball, 5F, ball annular sphere, 6, valve seat, 6A, seat external sealed anchor ring, 6B, seat inner seal ring face, 6C, seat sealing section, the outer hemisphere anchor ring of 6D, seat, hemisphere anchor ring in 6E, seat, 6F, seat annular sphere.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described.
As shown in Fig. 1 ~ Fig. 2, ball valve of the present invention comprises right valve barrel 1, left valve barrel 2, ball core 3, valve rod 4, ball seal ring 5 and valve seat 6; Ball core 3 is contained in and is tightly connected in the valve pocket of the valve formed by right valve barrel 1 and left valve barrel 2, right valve barrel 1 interior conduit and left valve barrel 2 interior conduit are equipped with a valve seat 6 with ball core 3 connection respectively, ball core 3 top connects the valve rod 4 being used for manual horizontal rotating sphere core 3, valve rod 4 stretches out from the valve pocket side of left valve barrel 2, and valve rod 4 is connected with left valve barrel 2 circumferential seal; Ball core 3 substantially horizontal has central through bore, on the spherical surface of the horizontal both sides of ball core 3 central through bore, symmetry has circular shape groove 3A, as shown in Figure 2, the ball seal ring 5 matched with valve seat 6 circular shape groove 3A is equipped with, ball seal ring 5 and valve seat 6 are annular step ladder type structure, and ball seal ring 5 and valve seat 6 realize realizing active sealing by the connection of respective cascade annular sealing surface.
As shown in Figure 3, ball seal ring 5: ladder inner ring face is ball annular sphere 5F, face, ladder outer ring is formed by the not contour hemisphere anchor ring 5E linking in the outer hemisphere anchor ring 5D of semiorbicular ball and ball that is; Ball annular sphere 5F is towards outer protrusion annular sphere, in the outer hemisphere anchor ring 5D of ball and ball, hemisphere anchor ring 5E is towards outer protrusion semi-circular sphere, the outer hemisphere anchor ring 5D inner edge of ball is higher than ball annular sphere 5F outer rim, and in ball, hemisphere anchor ring 5E inner edge is lower than ball annular sphere 5F outer rim.
As shown in Figure 3, the outer semi-circular cylinder between hemisphere anchor ring 5D inner edge and ball annular sphere 5F outer rim of ball is ball inner seal ring face 5A, semi-circular cylinder in ball between hemisphere anchor ring 5E inner edge and ball annular sphere 5F outer rim is ball external sealed anchor ring 5B, and the outer hemisphere anchor ring 5D of ball is that ball seals section 5C with the section that is connected in ball between hemisphere anchor ring 5E.
As shown in Figure 4, valve seat 6: ladder inner ring face is seat annular sphere 6F, face, ladder outer ring is formed by the not contour hemisphere anchor ring 6E linking in the outer hemisphere anchor ring 6D of semiorbicular seat and seat that is; Seat annular sphere 6F is towards interior indent annular sphere, seat outer hemisphere anchor ring 6D and seat in hemisphere anchor ring 6E be towards interior indent semi-circular sphere, the outer hemisphere anchor ring 6D inner edge of seat is lower than seat annular sphere 6F outer rim, and in seat, hemisphere anchor ring 6E inner edge is higher than seat annular sphere 6F outer rim.
As shown in Figure 4, semi-circular cylinder between the outer hemisphere anchor ring 6D inner edge of seat and seat annular sphere 6F outer rim is seat external sealed anchor ring 6A, in seat, hemisphere anchor ring 6E inner edge is seat inner seal ring face 6B higher than the semi-circular cylinder between seat annular sphere 6F outer rim, and the linking section in the outer hemisphere anchor ring 6D of seat and seat between hemisphere anchor ring 6E is seat sealing section 6C.
Ball inner seal ring face 5A, the ball external sealed anchor ring 5B of ball seal ring 5 and ball sealing section 5C seals section 6C respectively and to match the realizing active sealing pair forming ball valve with seat external sealed anchor ring 6A, the seat inner seal ring face 6B of valve seat 6 and seat.
The inside and outside edge of ball annular sphere 5F is identical with the inside and outside edge diameter of seat annular sphere 6F respectively, the inside and outside edge of the outer hemisphere anchor ring 5D of ball is identical with the inside and outside edge diameter of hemisphere anchor ring 6D outside seat respectively, in ball, the inside and outside edge of hemisphere anchor ring 5E is identical with the inside and outside edge diameter of hemisphere anchor ring 6E in seat respectively, with make hemisphere anchor ring 5E in the outer hemisphere anchor ring 5D of the ball annular sphere 5F of ball seal ring 5, ball and ball respectively with hemisphere anchor ring 6E fitted seal in seat annular sphere 6F, the outer hemisphere anchor ring 6D of seat of valve seat 6 and seat.
As shown in Figure 2, ball core 3 top has curve bath 3B, and valve rod 4 lower end embeds and is arranged in curve bath 3B, and bi-side, valve rod 4 lower end are close to curve bath 3B both sides inwall respectively.
The groove depth of circular shape groove 3A is 3-5mm.
Specific embodiment of the invention working procedure is as follows:
As shown in Figure 5, when spool 3 is along counterclockwise counterrotating, ball valve is opened gradually; When spool 3 is closed clockwise, superincumbent ball seal ring 5 is installed and then rotate, when spool 3 forwards operating position to, as shown in Figure 6, ball seal ring 5 and the valve seat 6 be arranged on valve body contact, form two sealing pairs in left and right, thus without sealing also can be realized when pressure difference inside and outside spool, reach realizing active sealing effect.Thus, invention increases the sealing effect of valve, extend the working life of valve, bring significant technique effect.
Above-mentioned embodiment is used for explaining and the present invention is described, instead of limits the invention, and in the protection domain of spirit of the present invention and claim, any amendment make the present invention and change, all fall into protection scope of the present invention.
Claims (6)
1. a Novel main moving sealed ball valve, comprises right valve barrel (1), left valve barrel (2), ball core (3) and valve rod (4); It is characterized in that: also comprise ball seal ring (5) and valve seat (6); Ball core (3) is contained in and is tightly connected in the valve pocket of the valve formed by right valve barrel (1) and left valve barrel (2), right valve barrel (1) interior conduit and left valve barrel (2) interior conduit are equipped with a valve seat (6) with ball core (3) connection respectively, ball core (3) top connects the valve rod (4) being used for manual horizontal rotating sphere core (3), and valve rod (4) stretches out from the valve pocket side of left valve barrel (2); Ball core (3) substantially horizontal has central through bore, on the spherical surface of the horizontal both sides of ball core (3) central through bore, symmetry has circular shape groove (3A), the ball seal ring (5) matched with valve seat (6) circular shape groove (3A) is equipped with, ball seal ring (5) and valve seat (6) are annular step ladder type structure, and ball seal ring (5) and valve seat (6) realize realizing active sealing by the connection of respective cascade annular sealing surface.
2. a kind of Novel main moving sealed ball valve according to claim 1, it is characterized in that: described ball seal ring (5): ladder inner ring face is ball annular sphere (5F), face, ladder outer ring is formed by not contour hemisphere anchor ring (5E) linking in the outer hemisphere anchor ring (5D) of semiorbicular ball and ball that is; Ball annular sphere (5F) is towards outer protrusion annular sphere, in the outer hemisphere anchor ring (5D) of ball and ball, hemisphere anchor ring (5E) is towards outer protrusion semi-circular sphere, outer hemisphere anchor ring (5D) inner edge of ball is higher than ball annular sphere (5F) outer rim, and in ball, hemisphere anchor ring (5E) inner edge is lower than ball annular sphere (5F) outer rim;
Described valve seat (6): ladder inner ring face is seat annular sphere (6F), face, ladder outer ring is formed by not contour hemisphere anchor ring (6E) linking in the outer hemisphere anchor ring (6D) of semiorbicular seat and seat that is; Seat annular sphere (6F) is towards interior indent annular sphere, seat outer hemisphere anchor ring (6D) and seat in hemisphere anchor ring (6E) be towards interior indent semi-circular sphere, outer hemisphere anchor ring (6D) inner edge of seat is lower than seat annular sphere (6F) outer rim, and in seat, hemisphere anchor ring (6E) inner edge is higher than seat annular sphere (6F) outer rim.
3. a kind of Novel main moving sealed ball valve according to claim 1, it is characterized in that: the outer semi-circular cylinder between hemisphere anchor ring (5D) inner edge and ball annular sphere (5F) outer rim of described ball is ball inner seal ring face (5A), semi-circular cylinder in ball between hemisphere anchor ring (5E) inner edge and ball annular sphere (5F) outer rim is ball external sealed anchor ring (5B), and the outer hemisphere anchor ring (5D) of ball is that ball seals section (5C) with the section that is connected in ball between hemisphere anchor ring (5E);
The outer semi-circular cylinder between hemisphere anchor ring (6D) inner edge and seat annular sphere (6F) outer rim of described seat is seat external sealed anchor ring (6A), in seat, hemisphere anchor ring (6E) inner edge is seat inner seal ring face (6B) higher than the semi-circular cylinder between seat annular sphere (6F) outer rim, and the linking section in the outer hemisphere anchor ring (6D) of seat and seat between hemisphere anchor ring (6E) is that seat seals section (6C);
The ball inner seal ring face (5A) of ball seal ring (5), ball external sealed anchor ring (5B) and ball sealing section (5C) seal section (6C) respectively and to match the realizing active sealing pair forming ball valve with the seat external sealed anchor ring (6A) of valve seat (6), seat inner seal ring face (6B) and seat.
4. a kind of Novel main moving sealed ball valve according to claim 1, it is characterized in that: the inside and outside edge of described ball annular sphere (5F) is identical with the inside and outside edge diameter of seat annular sphere (6F) respectively, the inside and outside edge of the outer hemisphere anchor ring (5D) of ball is identical with the inside and outside edge diameter of hemisphere anchor ring (6D) outside seat respectively, and in ball, the inside and outside edge of hemisphere anchor ring (5E) is identical with the inside and outside edge diameter of hemisphere anchor ring (6E) in seat respectively.
5. a kind of Novel main moving sealed ball valve according to claim 1, it is characterized in that: described ball core (3) top has curve bath (3B), valve rod (4) lower end embeds and is arranged in curve bath (3B).
6. a kind of Novel main moving sealed ball valve according to claim 1, is characterized in that: the groove depth of described circular shape groove (3A) is 3-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410547949.3A CN104315188B (en) | 2014-10-16 | 2014-10-16 | Novel main moving sealed ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410547949.3A CN104315188B (en) | 2014-10-16 | 2014-10-16 | Novel main moving sealed ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104315188A true CN104315188A (en) | 2015-01-28 |
| CN104315188B CN104315188B (en) | 2016-08-31 |
Family
ID=52370465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410547949.3A Expired - Fee Related CN104315188B (en) | 2014-10-16 | 2014-10-16 | Novel main moving sealed ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104315188B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111714749A (en) * | 2020-06-30 | 2020-09-29 | 中国人民解放军陆军军医大学第一附属医院 | Humidifying equipment for breathing machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3195857A (en) * | 1962-05-02 | 1965-07-20 | Homer J Shafer | Ball valve construction |
| US5332193A (en) * | 1992-11-27 | 1994-07-26 | Giacomini Industriale, S.P.A. | Ball valve with sealing means for the closure part |
| EP2667066A1 (en) * | 2012-05-23 | 2013-11-27 | Cameron International Corporation | Protective facial sealing arrangement |
| CN203477415U (en) * | 2013-09-02 | 2014-03-12 | 浙江阿珥楠阀门有限公司 | Top-entry type ball valve |
| CN204300411U (en) * | 2014-10-16 | 2015-04-29 | 浙江大学 | A kind of Novel main moving sealed ball valve |
-
2014
- 2014-10-16 CN CN201410547949.3A patent/CN104315188B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3195857A (en) * | 1962-05-02 | 1965-07-20 | Homer J Shafer | Ball valve construction |
| US5332193A (en) * | 1992-11-27 | 1994-07-26 | Giacomini Industriale, S.P.A. | Ball valve with sealing means for the closure part |
| EP2667066A1 (en) * | 2012-05-23 | 2013-11-27 | Cameron International Corporation | Protective facial sealing arrangement |
| CN203477415U (en) * | 2013-09-02 | 2014-03-12 | 浙江阿珥楠阀门有限公司 | Top-entry type ball valve |
| CN204300411U (en) * | 2014-10-16 | 2015-04-29 | 浙江大学 | A kind of Novel main moving sealed ball valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111714749A (en) * | 2020-06-30 | 2020-09-29 | 中国人民解放军陆军军医大学第一附属医院 | Humidifying equipment for breathing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104315188B (en) | 2016-08-31 |
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| SE01 | Entry into force of request for substantive examination | ||
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Granted publication date: 20160831 Termination date: 20181016 |