CN114198524B - Adjustable eccentric friction-free hard sealing ball valve - Google Patents
Adjustable eccentric friction-free hard sealing ball valve Download PDFInfo
- Publication number
- CN114198524B CN114198524B CN202111481743.1A CN202111481743A CN114198524B CN 114198524 B CN114198524 B CN 114198524B CN 202111481743 A CN202111481743 A CN 202111481743A CN 114198524 B CN114198524 B CN 114198524B
- Authority
- CN
- China
- Prior art keywords
- valve
- ball
- ball valve
- sealing surface
- sealing
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 83
- 239000002184 metal Substances 0.000 claims description 24
- 238000003466 welding Methods 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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
-
- 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
- F16K5/0647—Spindles or actuating 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
-
- 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
-
- 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
- F16K5/201—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention discloses an adjustable eccentric friction-free hard sealing ball valve, which comprises a middle body, wherein a valve cover is arranged on the middle body, a valve rod is arranged in the middle body, the upper end of the valve rod is connected with a hand wheel, a ball body is arranged in the middle body, the ball body is connected on the valve rod, a valve seat sealing surface is formed on the valve cover, the valve seat sealing surface and the valve cover are of an integrated structure, the ball body is in hard sealing fit with the valve seat sealing surface, and a first adjusting gap is formed at the joint between the valve cover and the middle body.
Description
Technical Field
The invention relates to the technical field of valves, in particular to an adjustable eccentric friction-free hard sealing ball valve.
Background
Most of valve seats of the existing hard sealing ball valves are of split structures, so that the whole hard sealing ball valve is more complicated to operate during installation, and the operation is not very convenient when the sealing performance of the valve seats and the sealing surfaces of the balls is adjusted.
Disclosure of Invention
In order to solve the technical defects in the prior art, the invention provides an adjustable eccentric friction-free hard seal ball valve.
The technical scheme adopted by the invention is as follows: the utility model provides an adjustable eccentric friction-free hard seal ball valve, includes the well body, the well body on install the valve gap, the well body in be equipped with the valve rod, valve rod upper end be connected with the hand wheel, the well body in be equipped with the spheroid, the spheroid connect on the valve rod, the valve gap on be formed with the disk seat sealed face, disk seat sealed face and valve gap structure as an organic whole, spheroid and disk seat sealed face hard seal cooperation, junction between valve gap and the well body have first regulation clearance, the valve gap pass through the screw connection on the well body and adjust the interval of first regulation clearance through the screw and realize the regulation of disk seat sealed face and spheroid sealing position in the valve gap.
The ball body is provided with a metal sealing ring which is in hard sealing fit with the sealing surface of the valve seat.
The metal sealing ring is also provided with a pressing plate ring, the pressing plate ring is in contact fit with the metal sealing ring, and the pressing plate ring is used for fixedly mounting the metal sealing ring on the ball body through bolts.
A sphere gasket is arranged between the metal sealing ring and the sphere.
The sphere gasket is made of metal or graphene materials.
A second adjusting gap is formed between the ball gasket and the valve body, and the ball gasket is adjusted through bolts to achieve adjustment of the position of the metal sealing ring in contact fit with the pressing plate ring.
And a middle body gasket is arranged between the valve cover and the middle body.
The valve seat sealing surface is formed by overlaying or spray welding of a body.
The centers of the upper sealing surface and the lower sealing surface of the ball valve on the same side are eccentrically arranged with the horizontal center line of the flow passage of the ball valve.
The centers of the upper sealing surface and the lower sealing surface of the ball valve on one side are lower than the horizontal central line of the flow passage of the ball valve, and the centers of the upper sealing surface and the lower sealing surface of the ball valve on the other side are higher than the horizontal central line of the flow passage of the ball valve.
The beneficial effects of the invention are as follows: the invention provides an adjustable eccentric friction-free hard sealing ball valve, which comprises a middle body, wherein a valve cover is arranged on the middle body, a valve rod is arranged in the middle body, the upper end of the valve rod is connected with a hand wheel, a ball body is arranged in the middle body and connected to the valve rod, a valve seat sealing surface is formed on the valve cover, the valve seat sealing surface and the valve cover are of an integrated structure, the ball body is in hard sealing fit with the valve seat sealing surface, and a first adjusting gap is formed at the joint between the valve cover and the middle body.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention.
Fig. 2 is a top view of the sphere connection structure of the present invention.
FIG. 3 is an enlarged view of the structure of the present invention at A.
The valve comprises a middle body 1, a valve cover 2, a valve rod 3, a hand wheel 4, a ball 5, a first adjusting gap 11, a middle body gasket 12, a valve seat sealing surface 21, a metal sealing ring 51, a pressing plate ring 52, a ball gasket 53 and a second adjusting gap 54.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the invention, are within the scope of the invention based on the embodiments of the invention.
The utility model provides an adjustable eccentric friction-free hard seal ball valve, includes well body 1, well body 1 on install valve gap 2, well body 1 in be equipped with valve rod 3, valve rod 3 upper end be connected with hand wheel 4, well body 1 in be equipped with spheroid 5, spheroid 5 connect on valve rod 3, valve gap 2 on be formed with valve seat sealing surface 21, valve seat sealing surface 21 and valve gap 2 structure as an organic whole, valve seat sealing surface 21 form by body build-up welding or spray welding. The ball 5 is in hard seal fit with the valve seat sealing surface 21, a first adjusting gap 11 is formed at the joint between the valve cover 2 and the middle body 1, the valve cover 2 is connected to the middle body 1 through a screw, and the distance between the first adjusting gap 11 is adjusted through the screw to realize the adjustment of the sealing position of the valve seat sealing surface 21 and the ball 5 in the valve cover 2. The ball body 5 is provided with a metal sealing ring 51, and the metal sealing ring 51 is in hard sealing fit with the valve seat sealing surface 21. The metal sealing ring 51 is also provided with a pressing plate ring 52, the pressing plate ring 52 is in contact fit with the metal sealing ring 51, and the pressing plate ring 52 fixedly installs the metal sealing ring 51 on the ball body 5 through bolts. The invention adopts the valve seat sealing surface with an integrated structure, so that the installation operation of the ball valve is more convenient, the distance between the valve seat sealing surface and the ball body in the valve cover is adjusted by adjusting the distance between the first adjusting gap through the screw, and the adjusting means of the sealing surface is simpler.
A sphere gasket 53 is arranged between the metal sealing ring 51 and the sphere 5. The sphere spacer 53 is made of metal or graphene material.
A second adjusting gap 54 is formed between the ball gasket 53 and the valve body, and the ball gasket 53 is adjusted through bolts, so that the position of the metal sealing ring 51 in contact fit with the pressing plate ring 52 is adjusted.
A middle body gasket 12 is also arranged between the valve cover 2 and the middle body 1.
The centers of the upper sealing surface and the lower sealing surface of the ball valve on the same side are eccentrically arranged with the horizontal center line of the flow passage of the ball valve. The centers of the upper sealing surface and the lower sealing surface of the ball valve on one side are lower than the horizontal central line of the flow passage of the ball valve, and the centers of the upper sealing surface and the lower sealing surface of the ball valve on the other side are higher than the horizontal central line of the flow passage of the ball valve. Through eccentric setting, the sealing performance of the cooperation of spheroid and disk seat is better.
The skilled person will know: while the invention has been described in terms of the foregoing embodiments, the inventive concepts are not limited to the invention, and any modifications that use the inventive concepts are intended to be within the scope of the appended claims.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (8)
1. The utility model provides an adjustable eccentric friction-free hard seal ball valve, includes well body (1), well body (1) on install valve gap (2), well body (1) in be equipped with valve rod (3), valve rod (3) upper end be connected with hand wheel (4), its characterized in that, well body (1) in be equipped with spheroid (5), spheroid (5) connect on valve rod (3), valve gap (2) on be formed with disk seat sealing surface (21), disk seat sealing surface (21) and valve gap (2) as an organic whole structure, spheroid (5) and disk seat sealing surface (21) hard seal cooperation, junction between valve gap (2) and well body (1) first regulation clearance (11) exist, valve gap (2) on well body (1) and through the screw adjust the interval of first regulation clearance (11) realize valve seat sealing surface (21) and spheroid (5) sealing position's regulation, with the same side on two sides the ball valve seat sealing surface's the center of ball valve on two sides the horizontal flow channel's of two lower side of the ball valve, two lower side of the horizontal flow channel sealing surface of ball valve, two side of the horizontal flow channel between the ball valve is located.
2. The adjustable eccentric friction-free hard sealing ball valve according to claim 1, wherein the ball body (5) is provided with a metal sealing ring (51), and the metal sealing ring (51) is in hard sealing fit with the valve seat sealing surface (21).
3. The adjustable eccentric friction-free hard sealing ball valve according to claim 2, wherein the metal sealing ring (51) is further provided with a pressing plate ring (52), the pressing plate ring (52) is in contact fit with the metal sealing ring (51), and the pressing plate ring (52) fixedly installs the metal sealing ring (51) on the ball body (5) through bolts.
4. An adjustable eccentric friction-free hard sealing ball valve according to claim 3, characterized in that a ball gasket (53) is arranged between the metal sealing ring (51) and the ball (5).
5. The adjustable eccentric friction-free hard sealing ball valve according to claim 4, wherein the sphere gasket (53) is made of metal or graphene material.
6. The adjustable eccentric friction-free hard sealing ball valve according to claim 5, wherein a second adjusting gap (54) is formed between the ball gasket (53) and the valve body, and the ball gasket (53) adjusts the second adjusting gap (54) through bolts to achieve adjustment of the position of the metal sealing ring (51) in contact fit with the pressing plate ring (52).
7. The adjustable eccentric friction-free hard sealing ball valve according to claim 1, wherein a middle body gasket (12) is further arranged between the valve cover (2) and the middle body (1).
8. An adjustable eccentric frictionless hard seal ball valve according to claim 1, wherein the valve seat sealing surface (21) is formed by body build-up welding or spray welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111481743.1A CN114198524B (en) | 2021-12-07 | 2021-12-07 | Adjustable eccentric friction-free hard sealing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111481743.1A CN114198524B (en) | 2021-12-07 | 2021-12-07 | Adjustable eccentric friction-free hard sealing ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114198524A CN114198524A (en) | 2022-03-18 |
| CN114198524B true CN114198524B (en) | 2023-10-20 |
Family
ID=80650847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111481743.1A Active CN114198524B (en) | 2021-12-07 | 2021-12-07 | Adjustable eccentric friction-free hard sealing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114198524B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1055044A (en) * | 1990-03-19 | 1991-10-02 | 因戈尔夫·克莱德 | Ball valve |
| CN2651540Y (en) * | 2003-09-19 | 2004-10-27 | 厦门三高维多利阀门有限公司 | Durable ball valves |
| CN202144879U (en) * | 2011-07-20 | 2012-02-15 | 浙江宝龙阀门制造有限公司 | Butterfly-shaped spherical valve |
| CN102401148A (en) * | 2011-11-17 | 2012-04-04 | 浙江凯瑞特阀业有限公司 | Adjustable float ball valve |
| CN102644763A (en) * | 2012-05-10 | 2012-08-22 | 温州蓝天管件阀门有限公司 | Valve seat structure with adjustable pretension |
| CN202629158U (en) * | 2012-05-31 | 2012-12-26 | 圣博莱阀门有限公司 | Titanium ball valve |
| CN203176414U (en) * | 2013-03-19 | 2013-09-04 | 梁奕灿 | Metallic seal eccentric valve structure for pipeline |
| CN105909818A (en) * | 2016-06-16 | 2016-08-31 | 五洲阀门股份有限公司 | Anti-corrosion ball valve and manufacturing method thereof |
| CN206093034U (en) * | 2016-10-09 | 2017-04-12 | 明珠阀门集团有限公司 | Four off -centre of upper assembling type ball valve sealed firmly |
| CN207406816U (en) * | 2017-09-14 | 2018-05-25 | 四川凯茨阀门制造有限公司 | A kind of cleanable seal ball-valve |
| CN108167467A (en) * | 2018-02-12 | 2018-06-15 | 无锡智能自控工程股份有限公司 | A kind of two way seal ball valve |
| CN108547998A (en) * | 2018-07-06 | 2018-09-18 | 长沙理工大学 | A kind of pair is shaken the steady sustaining ball valve in multi gear position |
| CN109333004A (en) * | 2018-10-31 | 2019-02-15 | 维都利阀门有限公司 | A kind of the processing of sphere technique and seal ball-valve of ceramic seal ball-valve |
| CN111577920A (en) * | 2020-04-30 | 2020-08-25 | 方正阀门集团股份有限公司 | High-temperature hard-sealing fixed ball valve |
-
2021
- 2021-12-07 CN CN202111481743.1A patent/CN114198524B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1055044A (en) * | 1990-03-19 | 1991-10-02 | 因戈尔夫·克莱德 | Ball valve |
| CN2651540Y (en) * | 2003-09-19 | 2004-10-27 | 厦门三高维多利阀门有限公司 | Durable ball valves |
| CN202144879U (en) * | 2011-07-20 | 2012-02-15 | 浙江宝龙阀门制造有限公司 | Butterfly-shaped spherical valve |
| CN102401148A (en) * | 2011-11-17 | 2012-04-04 | 浙江凯瑞特阀业有限公司 | Adjustable float ball valve |
| CN102644763A (en) * | 2012-05-10 | 2012-08-22 | 温州蓝天管件阀门有限公司 | Valve seat structure with adjustable pretension |
| CN202629158U (en) * | 2012-05-31 | 2012-12-26 | 圣博莱阀门有限公司 | Titanium ball valve |
| CN203176414U (en) * | 2013-03-19 | 2013-09-04 | 梁奕灿 | Metallic seal eccentric valve structure for pipeline |
| CN105909818A (en) * | 2016-06-16 | 2016-08-31 | 五洲阀门股份有限公司 | Anti-corrosion ball valve and manufacturing method thereof |
| CN206093034U (en) * | 2016-10-09 | 2017-04-12 | 明珠阀门集团有限公司 | Four off -centre of upper assembling type ball valve sealed firmly |
| CN207406816U (en) * | 2017-09-14 | 2018-05-25 | 四川凯茨阀门制造有限公司 | A kind of cleanable seal ball-valve |
| CN108167467A (en) * | 2018-02-12 | 2018-06-15 | 无锡智能自控工程股份有限公司 | A kind of two way seal ball valve |
| CN108547998A (en) * | 2018-07-06 | 2018-09-18 | 长沙理工大学 | A kind of pair is shaken the steady sustaining ball valve in multi gear position |
| CN109333004A (en) * | 2018-10-31 | 2019-02-15 | 维都利阀门有限公司 | A kind of the processing of sphere technique and seal ball-valve of ceramic seal ball-valve |
| CN111577920A (en) * | 2020-04-30 | 2020-08-25 | 方正阀门集团股份有限公司 | High-temperature hard-sealing fixed ball valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114198524A (en) | 2022-03-18 |
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