CN104976371A - Floating spherical crown type sphere - Google Patents
Floating spherical crown type sphere Download PDFInfo
- Publication number
- CN104976371A CN104976371A CN201510312989.4A CN201510312989A CN104976371A CN 104976371 A CN104976371 A CN 104976371A CN 201510312989 A CN201510312989 A CN 201510312989A CN 104976371 A CN104976371 A CN 104976371A
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- CN
- China
- Prior art keywords
- spheroid
- sphere
- plane
- hole
- clack
- 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
-
- 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
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention relates to a floating spherical crown type sphere. The floating spherical crown type sphere comprises a sphere body with a center through hole. A valve rod connection hole is formed in the upper end of the sphere body. The floating spherical crown type sphere is mainly characterized in that the two sides of the through hole of the sphere body are each provided with one plane; round holes perpendicular to the through hole of the sphere body are formed in the centers of the planes on the two sides of the sphere body and are each internally provided with one sphere clack; the sphere clacks are connected with the round holes in the sphere 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 sphere body and each sphere clack, of the sphere surface; the two positioning rings and the valve rod connection hole are concentric; an annular spring cavity is manufactured in the position, between each sphere clack plane and the sphere 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 sphere clack plane and the sphere body plane, of the outer side of the corresponding annular spring cavity. The sphere clacks float reliably and are good in temperature resistance performance and suitable for spherical valves used under high temperature and ultralow temperature working medium conditions.
Description
Technical field
The invention belongs to valve field, particularly about a kind of spheroid of metal hard-sealing ball valve.The present invention is applicable to the spheroid of high temperature, high wear medium Ball valve of pipeline.
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 and metal ball body cooperatively interact the high-temperature expansion amount absorbed 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, 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 ball seal face to float, have and absorb temperature variation and cause spheroid and valve seat to expand with heat and contract with cold, avoid spheroid and the stuck floating ball crown form spheroid of valve seat.
Technological scheme of the present invention comprises the spheroid that is shaped with central through bore, and spheroid upper end is shaped with valve rod attachment hole; Mainly be shaped with a plane respectively in spheroid through hole both sides, two plane symmetry are located on the spheroid of valve rod attachment hole 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 attachment hole; 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.
Preferably, in the anti-blocking groove of annular, elastic metal sealing ring is installed, Spielpassung between the circular projection end face of ball clack and spheroid circular hole bottom surface.
Preferably, be shaped with medium dredging groove in the spheroid plane at the annular spring chamber place near circular projection periphery, this medium dredging groove two ends are communicated with spheroid outer spherical surface, and medium dredging groove is communicated with the anti-blocking groove of annular.
Preferably, 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 attachment hole centerline direction, and two other medium dredging groove is parallel to valve rod attachment hole centerline direction.
Preferably, the circular hole on spheroid and through hole are interconnected.
Advantage of the present invention is each floating installation one ball clack in spheroid two side plane, and utilize the floating absorption amount of expanding with heat and contract with cold of ball clack under high temperature or ultralow-temperature operation conditions, the valve seat preventing ball clack from cooperatively interacting with it is stuck; Between spheroid plane and ball clack plane, be shaped with annular anti-blocking groove, prevent impurity from entering deposition in spring chamber, guarantee that ball clack floats flexibly on spheroid, ensure the ride quality under 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 spheroid, 2 ball clacks, 3 annular anti-blocking grooves, 4 springs, 5 positioning rings, 6 circular projections, 7 valve rod attachment holes, 8 medium dredging groove, 9 valve seats.
Embodiment
Floating ball crown form spheroid as shown in Figure 1, comprise the spheroid 1 that is shaped with central through bore, spheroid 1 upper end is shaped with valve rod attachment hole 7, a plane is shaped with respectively in spheroid 1 through hole both sides, two plane symmetry are located on the spheroid 1 of valve rod attachment hole 7 center line and plane both sides, spheroid 1 through hole center line place, and three planes are parallel to each other, namely the plane at valve rod attachment hole 7 center line and spheroid 1 through hole center line place is passed through, be parallel to each other with two planes of spheroid 1 both sides, and two plane separations of spheroid 1 both sides are equal by the distance of valve rod 7 attachment hole center line and spheroid 1 through hole center line place plane, the center of spheroid 1 liang of side plane is shaped with the circular hole vertical with spheroid 1 through hole, and the center line of this circular hole passes through the intersection point of valve rod 7 attachment hole center line and spheroid 1 through hole center line, and mutually vertical with the center line of three, each installation one ball clack 2 in the circular hole of spheroid 1 liang of side plane, ball clack 2 is connected by circular projection 6 and the circular hole on spheroid 1 are dynamic, ball clack 2 can be floated in the circular hole of spheroid 1 plane, the spherical diameter of ball clack 2 is equal with the spherical diameter of spheroid 1, a positioning ring 5 is respectively installed at the two ends up and down of the sphere joint between spheroid 1 and ball clack 2, prevent ball clack 2 from coming off from spheroid 1, two positioning rings 5 are concentric with valve rod attachment hole 7, positioning ring 5 has the curved surface identical with spheroid 1, and be fixedly mounted on spheroid 1 by screw, Spielpassung between positioning ring 5 and ball clack 2, annular spring chamber is shaped with, mounting spring 4 in annular spring chamber between ball clack 2 plane and spheroid 1 plane of circular projection 6 radial outside, ball clack 2 plane outside annular spring chamber and be shaped with annular anti-blocking groove 3 between spheroid 1 plane, prevents impurity from entering in annular spring chamber and piles up, ensure the flexible reliability of annular spring chamber inner spring 4.
In the anti-blocking groove 3 of annular, elastic metal sealing ring is installed, Spielpassung between circular projection 6 end face of ball clack 2 and spheroid 1 circular hole bottom surface, ensures the mobile space of ball clack 2 in spheroid 1.
Medium dredging groove 8 is shaped with in the spheroid plane at the annular spring chamber place near circular projection 6 periphery, the two ends of this medium dredging groove 8 are communicated with the outer spherical surface of spheroid 1, medium impurity is directly washed into outside spheroid 1 in medium dredging groove 8, avoids piling up in annular spring chamber; Medium dredging groove 8 is communicated with the anti-blocking groove 3 of annular, medium impurity is washed away away by medium dredging groove 8 from the anti-blocking groove 3 of annular, stops impurity to enter in annular spring chamber, as shown in Figure 2.
Medium dredging groove 8 has four, and four medium dredging grooves 8 form " well " word structure, and wherein two medium dredging grooves 8 are perpendicular to valve rod attachment hole 7 centerline direction, and two other medium dredging groove 8 is parallel to valve rod attachment hole 7 centerline direction.
Circular hole on spheroid 1 and through hole are interconnected.Spheroid 1, ball clack 2 can adopt pottery to adopt, and also can adopt surface spraying Hardmetal materials, improve wear-resisting, corrosion resistant and scour resistance.Positioning ring 5 is positioned at the both sides up and down of ball clack 2 and valve seat 9 sealing pair, and when spheroid 1 is rotated, positioning ring 5 can not encounter valve seat 9.
Claims (5)
1. a floating ball crown form spheroid, comprise the spheroid (1) that is shaped with central through bore, spheroid (1) upper end is shaped with valve rod attachment hole (7); It is characterized in that being shaped with a plane respectively in spheroid (1) through hole both sides, two plane symmetry are located on the spheroid (1) of valve rod attachment hole (7) center line and plane both sides, spheroid (1) through hole center line place, and three planes are parallel to each other; The center of spheroid (1) two side plane is shaped with the circular hole vertical with spheroid (1) through hole; Each installation one ball clack (2) in the circular hole of spheroid (1) two side plane, ball clack (2) is connected by circular projection (6) and the circular hole on spheroid (1) are dynamic, a positioning ring (5) is respectively installed at the two ends up and down of the sphere joint between spheroid (1) and ball clack (2), and two positioning rings (5) are concentric with valve rod attachment hole (7); Annular spring chamber is shaped with, mounting spring (4) in annular spring chamber between ball clack (2) plane and spheroid (1) plane of circular projection (6) radial outside; Ball clack (2) plane outside annular spring chamber and be shaped with annular anti-blocking groove (3) between spheroid (1) plane.
2. floating ball crown form spheroid according to claim 1, it is characterized in that elastic metal sealing ring being installed, Spielpassung between circular projection (6) end face of ball clack (2) and spheroid (1) circular hole bottom surface in the anti-blocking groove of annular (3).
3. floating ball crown form spheroid according to claim 1, it is characterized in that being shaped with medium dredging groove (8) in the spheroid plane at the annular spring chamber place near circular projection (6) periphery, the two ends of this medium dredging groove (8) are communicated with the outer spherical surface of spheroid (1); Medium dredging groove (8) is communicated with the anti-blocking groove of annular (3).
4. floating ball crown form spheroid according to claim 3, it is characterized in that medium dredging groove (8) has four, article four, medium dredging groove (8) forms " well " word structure, wherein two media dredging groove (8) are perpendicular to valve rod attachment hole (7) centerline direction, and two other medium dredging groove (8) is parallel to valve rod attachment hole (7) centerline direction.
5. the floating ball crown form spheroid according to claim 3 or 4, is characterized in that circular hole on spheroid (1) and through hole are interconnected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312989.4A CN104976371A (en) | 2015-06-05 | 2015-06-05 | Floating spherical crown type sphere |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312989.4A CN104976371A (en) | 2015-06-05 | 2015-06-05 | Floating spherical crown type sphere |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104976371A true CN104976371A (en) | 2015-10-14 |
Family
ID=54273167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510312989.4A Pending CN104976371A (en) | 2015-06-05 | 2015-06-05 | Floating spherical crown type sphere |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104976371A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546125A (en) * | 2016-02-29 | 2016-05-04 | 应建忠 | Floating spherical crown type stop valve |
| CN105697800A (en) * | 2016-02-29 | 2016-06-22 | 应建忠 | Floating spherical cap type adjusting stop valve |
| CN109268525A (en) * | 2018-10-15 | 2019-01-25 | 兰州高压阀门有限公司 | A kind of inflatable valve component |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
-
2015
- 2015-06-05 CN CN201510312989.4A patent/CN104976371A/en active Pending
Patent Citations (7)
| 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 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546125A (en) * | 2016-02-29 | 2016-05-04 | 应建忠 | Floating spherical crown type stop valve |
| CN105697800A (en) * | 2016-02-29 | 2016-06-22 | 应建忠 | Floating spherical cap type adjusting stop valve |
| CN105697800B (en) * | 2016-02-29 | 2017-11-10 | 应建忠 | Floating spherical cap type adjustment type stop valve |
| CN105546125B (en) * | 2016-02-29 | 2017-11-10 | 应建忠 | Floating spherical cap type stop valve |
| CN109268525A (en) * | 2018-10-15 | 2019-01-25 | 兰州高压阀门有限公司 | A kind of inflatable valve component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151014 |