CN104976370A - Floating spherical crown dredge type metal sealing ball valve - Google Patents
Floating spherical crown dredge type metal sealing ball valve Download PDFInfo
- Publication number
- CN104976370A CN104976370A CN201510313005.4A CN201510313005A CN104976370A CN 104976370 A CN104976370 A CN 104976370A CN 201510313005 A CN201510313005 A CN 201510313005A CN 104976370 A CN104976370 A CN 104976370A
- Authority
- CN
- China
- Prior art keywords
- spheroid
- ball
- plane
- valve
- medium
- 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
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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
- F16K5/06—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
- F16K5/0605—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 with particular plug arrangements, e.g. particular shape or built-in means
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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
- F16K5/06—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
- F16K5/0684—Packings on the plug
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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
- F16K5/08—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
- F16K5/204—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the plugs or parts of the plugs mechanically pressing the seals against the housing
Abstract
The invention relates to a floating spherical crown dredge type metal sealing ball valve. The floating spherical crown dredge type metal sealing ball valve comprises a valve body, a valve seat, a ball body and a valve rod, and is mainly characterized in that the two sides of a through hole of the ball body are each provided with one plane; round holes perpendicular to the through hole of the ball body are formed in the centers of the planes on the two sides of the ball body and are each internally provided with one ball clack; the ball clacks are connected with the round holes in the ball body through round convex columns in a movable fit mode; positioning rings are installed at the upper and lower ends of the connection position, between the ball body and each ball clack, of the ball surface; the positioning rings and the valve rod are concentric; an annular spring cavity is manufactured in the position, between each ball clack plane and the ball body plane, of the outer side of the corresponding round convex column in the radial direction; a spring is installed in each annular spring cavity; an annular anti-blocking groove is manufactured in the position, between each ball clack plane and the ball body plane, of the outer side of the corresponding annular spring cavity; medium dredge channels are manufactured in the ball body plane inside each annular spring cavity close to the external circular surface of the corresponding round convex column and are communicated with one another, and the two ends of the medium dredge channels are communicated with the external ball surface of the ball body. The ball clacks float reliably and are good in temperature resistance performance and suitable for high temperature and ultralow temperature working medium conditions.
Description
Technical field
The invention belongs to valve field, particularly about a kind of metal hard-sealing ball valve.The present invention is applicable to high temperature, low temperature, high pressure, the high wear working condition of particle media.
Background technique
High-temperature hard sealing ball valve uses many in high temperature, high wear medium operating mode, in order to prevent valve seat and spheroid high-temperature expansion stuck, general employing floating valve seat absorbs high-temperature expansion amount between the two, but the spring chamber between valve seat radial direction and valve body inner round wall easily enters media particle and blocks, and makes valve seat lose float function.For this reason, prevent spring chamber from entering medium and become product structure design and the key ensureing product performance.If the patent No. is the scraper type two-way high-temperature metal hard-sealed ball valve of ZL200510122892.3, comprise valve body, valve seat, spheroid, valve rod and Sealing and assembling set, valve body is that left valve barrel is connected by assembling set with right valve barrel, valve seat is respectively equipped with in left valve barrel and right valve barrel, one of them valve seat is floating valve seat, between the valve body and floating valve seat of valve pocket side, seal arrangement is set, in the spring place cavity preventing the medium impurity in valve pocket from entering between floating valve seat and valve body, avoid the swollen dead phenomenon of worst hot case spheroid.But, sealing device also can by radial extremely swollen between floating valve seat and valve body when high-temperature expansion, and, carbon seal ring is adopted to seal between the valve seat of the spring chamber the other end and valve body, in floating valve seat travel engineering, make carbon seal ring radial direction produce wearing and tearing, make media particle enter spring chamber, make floating valve seat lose float function, make spheroid and valve seat high temperature swollen dead or ultralow temperature is stuck.
Summary of the invention
The object of the invention is the shortcoming existed for prior art, provide a kind of and can prevent the swollen dead and floating spherical crown leading-type metal seal ball valve that ultralow temperature is stuck of high temperature between spheroid and valve seat.
Technological scheme of the present invention comprises valve body, valve seat, spheroid, valve rod, and valve body is imported and exported in passage and is respectively equipped with valve seat, is shaped with the through hole with valve channel equal diameters in spheroid; Mainly be shaped with a plane respectively in spheroid through hole both sides, this two plane symmetry is located on the spheroid of valve rod center line and plane both sides, spheroid through hole center line place, and three planes are parallel to each other; The center of spheroid two side plane is shaped with the circular hole vertical with spheroid through hole; Each installation one ball clack in the circular hole of spheroid two side plane, ball clack is connected by the circular hole on circular projection and spheroid is dynamic, and a positioning ring is respectively installed at the two ends up and down of the sphere joint between spheroid and ball clack, and two positioning rings are concentric with valve rod; Annular spring chamber is shaped with, mounting spring in annular spring chamber between the ball clack plane and spheroid plane of circular projection radial outside; Ball clack plane outside annular spring chamber and be shaped with annular anti-blocking groove between spheroid plane, the spheroid plane in the annular spring chamber near circular projection periphery place is shaped with medium dredging groove, and this medium dredging two ends of groove are communicated with the outer spherical surface of spheroid; The anti-blocking groove of annular is dredged groove with medium and is communicated with.
In above technological scheme, medium dredging groove has four, and four medium dredging grooves form " well " word structure, and wherein two medium dredging grooves are perpendicular to valve rod centerline direction, and two other medium dredging groove is parallel to valve rod centerline direction.
Advantage of the present invention is each floating installation one ball clack in spheroid two side plane, utilizes the floating absorption amount of expanding with heat and contract with cold of ball clack under high temperature or ultralow-temperature operation conditions, prevent ball clack and valve seat stuck; Between each parts in runner direction, the sealing of stationary seal circle, avoids dynamic seal ring and moves wearing and tearing and cause sealing problem; Annular anti-blocking groove is shaped with and medium dredges groove between spheroid plane and ball clack plane, medium impurity in spring chamber is washed away in medium dredging groove, prevent impurity from depositing in spring chamber, guarantee that ball clack floats flexibly on spheroid, good at the ride quality of high temperature, ultralow temperature mixture condition.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of annular anti-blocking groove and medium dredging groove in spheroid plane in Fig. 1 of the present invention.
1 valve body, 2 valve seats, 3 spheroids, 4 ball clacks, 5 springs, 6 annular anti-blocking grooves, 7 trim rings, 8 valve rods, 9 medium dredging groove, 10 metal o-rings, 11 circular projections, 12 positioning rings.
Embodiment
Floating spherical crown leading-type metal seal ball valve as shown in Figure 1, comprise valve body 1, valve seat 2, spheroid 3, valve rod 8, valve body 1 is imported and exported in passage and is respectively equipped with valve seat 2, the through hole equal with valve body 1 channel diameter is shaped with in spheroid 3, valve seat 2 sealing surface and spheroid 3 surface spraying weld high-abrasive material, spheroid 3 through-hole inner surface spraying wear-resistant materials, a plane is shaped with respectively in spheroid 3 through hole both sides, this two plane symmetry is located on the spheroid 3 of valve rod 8 center line and plane both sides, spheroid 3 through hole center line place, and three planes are parallel to each other, namely be parallel to each other by valve rod 8 center line and the plane at spheroid 3 through hole center line place and two planes of spheroid 3 both sides, and two plane separations of spheroid 3 both sides are equal by the distance of valve rod 8 center line and spheroid 3 through hole center line place plane, the center of spheroid 3 liang of side planes is shaped with the circular hole vertical with spheroid 3 through hole, and this circular hole is communicated with spheroid 3 through hole, and when spheroid 3 is closed, the center line of this circular hole overlaps with valve body 1 channel centerline, each installation one ball clack 4 in the circular hole of spheroid 3 liang of side planes, ball clack 4 is connected by circular projection 11 and the circular hole on spheroid 3 are dynamic, ball clack 4 can be floated in the circular hole of spheroid 3 plane, the spherical diameter of ball clack 4 is equal with the spherical diameter of spheroid 3, sphere and valve seat 2 sealing surface of ball clack 4 cooperatively interact, the surface spraying high-abrasive material of ball clack 4, a positioning ring 12 is respectively installed at upper and lower two ends, sphere joint between spheroid 1 and ball clack 4, prevent ball clack 4 from coming off from spheroid 3, two positioning rings 12 are concentric with valve rod 8, positioning ring 12 has the curved surface identical with spheroid 3, and be fixedly mounted on spheroid 3 by screw, Spielpassung between positioning ring 12 and ball clack 4, positioning ring 12 also can adopt to be installed and spheroid 3 at valve body 1 inner chamber, what ball clack 4 cooperatively interacted curved surface holds block tightly, in valve opening and closing process, all the time ball clack 4 is held tightly by holding block tightly, prevent ball clack 4 from coming off from spheroid 3, between ball clack 4 plane and spheroid 3 plane of circular projection 11 radial outside, be shaped with annular spring chamber, mounting spring 5 in annular spring chamber, this spring 5 adopts butterfly spring, also can adopt helical spring, ball clack 4 plane outside annular spring chamber and be shaped with annular anti-blocking groove 6 between spheroid 3 plane, annular anti-blocking groove 6, annular spring chamber is concentric with the circular hole of spheroid 3, spheroid 3 plane in the annular spring chamber near ball clack 4 circular projection 11 periphery place is shaped with medium dredging groove 9, the two ends of this medium dredging groove 9 are communicated with the outer spherical surface of spheroid 3, medium impurity is made directly to be washed into outside spheroid 3 in medium dredging groove 9, avoid piling up in annular spring chamber, ensure the flexible reliability of annular spring chamber inner spring 5, the anti-blocking groove 6 of annular is dredged groove 9 with medium and is communicated with, and makes medium impurity be washed into valve body 1 from the anti-blocking groove 6 of annular by medium dredging groove 9 and exports, stop impurity to enter in annular spring chamber, valve seat 2 is fixedly mounted in valve body 1 passage, and valve seat 2 adopts trim ring 7, screw is fixedly mounted in valve body 1 passage, and valve seat 2 also can adopt floating structure.
Medium dredging groove 9 is shaped with four, and four medium dredging grooves 9 form " well " character form structure, and wherein two medium dredging grooves 9 are perpendicular to valve rod 8 centerline direction, and two other medium dredging groove 9 is parallel to valve rod 8 centerline direction, as shown in Figure 2.
Valve body 1 adopts left valve barrel and right valve barrel composition, installs metal o-ring 10, realize being tightly connected between left valve barrel and right valve barrel between left valve barrel and right valve barrel.Valve body 1 also can adopt solid forging or casting, and make spheroid 3 adopt upper dress formula structure, these structures belong to known technology.
Spheroid 3 upper end is fixedly connected with valve rod 8 lower end, and spheroid 3 lower end and lower plug cover move and be connected, and forms fixing ball linkage structure.Spheroid 3 also can adopt floating ball structure.Medium promotes spheroid 3 makes outlet side ball clack 4 coordinate with outlet side valve seat 2 press seal, realizes two way sealed function.To having severe corrosive and strong erosion mixture condition, spheroid 3, ball clack 4, valve seat 2 adopt stupalith, and these belong to known technology.
Claims (2)
1. a floating spherical crown leading-type metal seal ball valve, comprise valve body (1), valve seat (2), spheroid (3), valve rod (8), valve body (1) is imported and exported in passage and is respectively equipped with valve seat (2), is shaped with the through hole equal with valve body (1) channel diameter in spheroid (3); It is characterized in that being shaped with a plane respectively in spheroid (3) through hole both sides, this two plane symmetry is located on the spheroid (3) of valve rod (8) center line and plane both sides, spheroid (3) through hole center line place, and three planes are parallel to each other; The center of spheroid (3) two side plane is shaped with the circular hole vertical with spheroid (3) through hole; Each installation one ball clack (4) in the circular hole of spheroid (3) two side plane, ball clack (4) is connected by circular projection (11) and the circular hole on spheroid (3) are dynamic, a positioning ring (12) is respectively installed at upper and lower two ends, sphere joint between spheroid (1) and ball clack (4), and two positioning rings (12) are concentric with valve rod (8); Annular spring chamber is shaped with, mounting spring (5) in annular spring chamber between ball clack (4) plane and spheroid (3) plane of circular projection (11) radial outside; Ball clack (4) plane outside annular spring chamber and be shaped with annular anti-blocking groove (6) between spheroid (3) plane, spheroid (3) plane in the annular spring chamber near ball clack (4) circular projection (11) periphery place is shaped with medium dredging groove (9), the two ends of this medium dredging groove (9) are communicated with the outer spherical surface of spheroid (3); The anti-blocking groove of annular (6) is dredged groove (9) with medium and is communicated with.
2. floating spherical crown leading-type metal seal ball valve according to claim 1, it is characterized in that medium dredging groove (9) is shaped with four, article four, medium dredging groove (9) forms " well " character form structure, wherein two media dredging groove (9) are perpendicular to valve rod (8) centerline direction, and two other medium dredging groove (9) is parallel to valve rod (8) centerline direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510313005.4A CN104976370A (en) | 2015-06-05 | 2015-06-05 | Floating spherical crown dredge type metal sealing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510313005.4A CN104976370A (en) | 2015-06-05 | 2015-06-05 | Floating spherical crown dredge type metal sealing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104976370A true CN104976370A (en) | 2015-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510313005.4A Pending CN104976370A (en) | 2015-06-05 | 2015-06-05 | Floating spherical crown dredge type metal sealing ball valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN104976370A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105587872A (en) * | 2016-02-29 | 2016-05-18 | 王照业 | Floating spherical cap type angle valve |
| CN106499838A (en) * | 2016-12-29 | 2017-03-15 | 岳阳东方自控工程设备有限公司 | Ball valve and fluid pipe network |
| CN106678386A (en) * | 2015-11-10 | 2017-05-17 | 王姝 | Partitioned cavity valve |
| CN107237899A (en) * | 2017-07-01 | 2017-10-10 | 宁波华成阀门有限公司 | A kind of high-wear-resistance long-service-life ball valve and its manufacture method |
| CN108278381A (en) * | 2018-03-28 | 2018-07-13 | 江苏圣泰阀门有限公司 | A kind of Novel ultralow-temperature ball valve |
| CN108953656A (en) * | 2018-06-20 | 2018-12-07 | 乐清市兴丰电子厂 | A kind of spool and the ball valve using the spool |
| CN110173574A (en) * | 2019-06-21 | 2019-08-27 | 邵延荣 | A kind of long life ball valve |
| CN110454585A (en) * | 2019-07-22 | 2019-11-15 | 贝斯格实业股份有限公司 | A kind of sealing structure of floating ball valve |
| CN111065802A (en) * | 2017-08-22 | 2020-04-24 | 康明斯有限公司 | Turbine bypass valve |
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| US4099543A (en) * | 1977-05-31 | 1978-07-11 | Westinghouse Air Brake Company | Vented ball type angle cock |
| US4118008A (en) * | 1975-02-11 | 1978-10-03 | Honeywell Inc. | Rotary valve |
| CN1268635A (en) * | 1999-03-24 | 2000-10-04 | Asv施蒂博两合公司 | Ball shape cock |
| CN201401528Y (en) * | 2009-04-28 | 2010-02-10 | 胡金木 | Ball valve |
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| CN103047440A (en) * | 2012-12-04 | 2013-04-17 | 湖北赛文控制阀有限公司 | Washing resistant ceramic hard sealing half-ball valve |
| CN104334940A (en) * | 2012-05-23 | 2015-02-04 | 卡梅伦国际有限公司 | Protective facial sealing arrangement |
| CN204692637U (en) * | 2015-06-05 | 2015-10-07 | 王照业 | Float spherical crown leading-type metal seal ball valve |
-
2015
- 2015-06-05 CN CN201510313005.4A patent/CN104976370A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4118008A (en) * | 1975-02-11 | 1978-10-03 | Honeywell Inc. | Rotary valve |
| US4099543A (en) * | 1977-05-31 | 1978-07-11 | Westinghouse Air Brake Company | Vented ball type angle cock |
| CN1268635A (en) * | 1999-03-24 | 2000-10-04 | Asv施蒂博两合公司 | Ball shape cock |
| CN201401528Y (en) * | 2009-04-28 | 2010-02-10 | 胡金木 | Ball valve |
| CN201705978U (en) * | 2010-04-30 | 2011-01-12 | 太仓优尼泰克精密机械有限公司 | Metal hard sealing ball valve of elastic ball |
| CN104334940A (en) * | 2012-05-23 | 2015-02-04 | 卡梅伦国际有限公司 | Protective facial sealing arrangement |
| CN103047440A (en) * | 2012-12-04 | 2013-04-17 | 湖北赛文控制阀有限公司 | Washing resistant ceramic hard sealing half-ball valve |
| CN204692637U (en) * | 2015-06-05 | 2015-10-07 | 王照业 | Float spherical crown leading-type metal seal ball valve |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678386A (en) * | 2015-11-10 | 2017-05-17 | 王姝 | Partitioned cavity valve |
| CN105587872A (en) * | 2016-02-29 | 2016-05-18 | 王照业 | Floating spherical cap type angle valve |
| CN106499838A (en) * | 2016-12-29 | 2017-03-15 | 岳阳东方自控工程设备有限公司 | Ball valve and fluid pipe network |
| CN106499838B (en) * | 2016-12-29 | 2020-06-05 | 湖南西爱斯流体控制设备有限公司 | Ball valve and fluid pipe network |
| CN107237899A (en) * | 2017-07-01 | 2017-10-10 | 宁波华成阀门有限公司 | A kind of high-wear-resistance long-service-life ball valve and its manufacture method |
| CN111065802A (en) * | 2017-08-22 | 2020-04-24 | 康明斯有限公司 | Turbine bypass valve |
| CN108278381A (en) * | 2018-03-28 | 2018-07-13 | 江苏圣泰阀门有限公司 | A kind of Novel ultralow-temperature ball valve |
| CN108953656A (en) * | 2018-06-20 | 2018-12-07 | 乐清市兴丰电子厂 | A kind of spool and the ball valve using the spool |
| CN108953656B (en) * | 2018-06-20 | 2019-11-26 | 乐清市兴丰电子厂 | A kind of spool and the ball valve using the spool |
| CN110173574A (en) * | 2019-06-21 | 2019-08-27 | 邵延荣 | A kind of long life ball valve |
| CN110454585A (en) * | 2019-07-22 | 2019-11-15 | 贝斯格实业股份有限公司 | A kind of sealing structure of floating ball valve |
| CN110454585B (en) * | 2019-07-22 | 2022-04-01 | 贝斯格实业股份有限公司 | Sealing structure of floating ball valve |
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Application publication date: 20151014 |
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| RJ01 | Rejection of invention patent application after publication |