CN105508646B - Self sealss eccentric half-ball valve - Google Patents
Self sealss eccentric half-ball valve Download PDFInfo
- Publication number
- CN105508646B CN105508646B CN201610063359.2A CN201610063359A CN105508646B CN 105508646 B CN105508646 B CN 105508646B CN 201610063359 A CN201610063359 A CN 201610063359A CN 105508646 B CN105508646 B CN 105508646B
- Authority
- CN
- China
- Prior art keywords
- valve
- inlet opening
- hemispherical
- ring lip
- valve plate
- 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
- 241000283216 Phocidae Species 0.000 title claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 239000000565 sealant Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0605—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
-
- 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
- F16K5/0657—Particular coverings or materials
-
- 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
-
- 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 discloses a kind of self sealss eccentric half-ball valves, including valve body, admission chamber is equipped in valve body, one end of valve body is equipped with the inlet opening being connected to admission chamber, the other end is equipped with the apopore being connected to admission chamber, body top is connected with valve deck, main valve axis is connected on valve deck, body base is equipped with secondary valve shaft, the hemispherical valve plate being connected on main valve axis and secondary valve shaft is equipped in admission chamber, it is coated with elastic sealing layer on the surface of hemispherical valve plate, the axial seal pair for realizing axial seal can be formed after the elastic sealing layer of the hemispherical sealing surface of valve plate and the inner port location contacts cooperation of inlet opening；The hole wall of elastic sealing layer and inlet opening on the hemispherical sealing surface of valve plate can form the radial seal pair with radial self sealss effect after being engaged.The valve arrangement is simple, has axial seal and radial seal double effects, does not easily cause leakage or leakage, unlatching torque is small, can extend the service life of valve.
Description
Technical field
The present invention relates to a kind of self sealss eccentric half-ball valves.
Background technology
Currently, well known eccentric half-ball valve includes valve body, admission chamber is equipped in valve body, one end of valve body is equipped with and admission chamber
The inlet opening of connection, the other end are equipped with the apopore being connected to admission chamber, and body top is connected with valve deck, master is connected on valve deck
Valve shaft, body base are equipped with secondary valve shaft, and the hemispherical valve plate being connected on main valve axis and secondary valve shaft is equipped in admission chamber, hemispherical
It is coated with elastic sealing layer on the surface of valve plate.By the cooperation at hemispherical valve plate and inlet opening inner port position to elastic packing
Layer, which squeeze, is allowed to deformation to realize sealing.The eccentric half-ball valve of above structure, when elastic sealing layer compressive deformation is smaller, easily
Ball valve is caused to leak or leak.If increasing compressive deformation, the increase of open and close torque and the valve plate lost of life can be caused.
Invention content
It is eccentric partly the technical problem to be solved by the present invention is in view of the foregoing drawbacks, provide a kind of self sealss that sealing effect is good
Ball valve.
In order to solve the above technical problems, the present invention provides a kind of self sealss eccentric half-ball valve such as lower structure, including valve
Body, valve body is interior to be equipped with admission chamber, and one end of valve body is equipped with the inlet opening being connected to admission chamber, the other end is equipped with and is connected to admission chamber
Apopore, body top is connected with valve deck, and main valve axis is connected on valve deck, and body base is equipped with secondary valve shaft, is set in admission chamber
There is the hemispherical valve plate being connected on main valve axis and secondary valve shaft, is coated with elastic sealing layer on the surface of hemispherical valve plate, ties
Structure feature is：It can shape after the elastic sealing layer of the hemispherical sealing surface of valve plate and the inner port location contacts cooperation of inlet opening
At the axial seal pair for realizing axial seal；The hole wall of elastic sealing layer and inlet opening on the hemispherical sealing surface of valve plate connects
The radial seal pair with radial self sealss effect can be formed after touching cooperation.
The axial seal pair is straight by the inner port position of elastic sealing layer and inlet opening on hemispherical sealing surface of valve plate
It is formed after contact.
Elastic sealing layer part evagination on the hemispherical sealing surface of valve plate can paste to be formed with the hole wall of inlet opening
The ring lip of conjunction, the radial seal pair are formed after being engaged by the lateral surface of the ring lip and the hole wall of inlet opening.
After the hemispherical valve plate closing along the axial orthographic projection diagram to its cutting of the main valve axis, the inside of ring lip
The contour line in face is obliquely installed relative to the axis of the inlet opening, to make the medial surface of the ring lip become circular conical surface.
After the hemispherical valve plate closing along the axial orthographic projection diagram to its cutting of the main valve axis, the outside of ring lip
The axis of the inlet opening is arranged in parallel in the contour line in face, to make the lateral surface of the ring lip be cylindrical surface；Or ring
The contour line of the lateral surface of lip is obliquely installed the axis of the inlet opening, to make the lateral surface of the ring lip be circular cone
Face.
After the inner port location contacts cooperation of elastic sealing layer and inlet opening on the seal face of hemispherical valve plate, the two
Axial seal pair can be formed, to realize axial seal；Elastic sealing layer contacts the latter two with the hole wall of inlet opening can form diameter
To sealing pair, to realize radial seal.The medial surface of the ring lip, which is set as circular conical surface, can bring following benefit：Fluid pressure
Force effect on medial surface after can generate radial component, which can be such that the lateral surface of ring lip is bonded with the hole wall of inlet opening
It is more tight, form self sealss.That is the utility model both can realize axial seal by elastic sealing layer, can also lead to
It crosses ring lip and realizes radial self sealss.
In conclusion the advantage of the invention is that：It is simple in structure, there are axial seal and radial seal double effects, no
Leakage or leakage are easily caused, unlatching torque is small, can extend the service life of valve.
Description of the drawings
The specific implementation mode of the present invention is described in further detail below in conjunction with the accompanying drawings：
The structural schematic diagram of Fig. 1 self sealss eccentric half-ball valve cut-off states；
Fig. 2 is the schematic diagram of the ring lip of i.e. a kind of structure of enlarged drawing in the portions A in Fig. 1；
Fig. 3 is the schematic diagram of the ring lip of the i.e. another structure of enlarged drawing in the portions A in Fig. 1.
Specific implementation mode
As depicted in figs. 1 and 2, self sealss eccentric half-ball valve includes valve body 1, is equipped with admission chamber 2 in valve body 1, and the one of valve body 1
End is equipped with the inlet opening 3 being connected to admission chamber 2, the other end is equipped with the apopore 4 being connected to admission chamber 2, and 1 top of valve body is connected with
Valve deck 5, main valve axis 6 is connected on valve deck 5, and 1 bottom of valve body is equipped with secondary valve shaft 7, is equipped in admission chamber 2 and is connected to 6 He of main valve axis
Hemispherical valve plate 8 on secondary valve shaft 7 is coated with elastic sealing layer 9 on the surface of hemispherical valve plate 8.The hemispherical valve plate 8 is close
The elastic sealing layer 9 of cover is in direct contact with the inner port position of inlet opening 3 can form the axial direction for realizing axial seal after cooperation
Sealing pair.The hole wall of elastic sealing layer 9 and inlet opening 3 on 8 sealing surface of hemispherical valve plate can form tool after being engaged
There is the radial seal pair of radial self sealss effect.The local evagination of elastic sealing layer 9 on 8 sealing surface of the valve plate can be formed
The ring lip 10 being bonded with the hole wall of inlet opening 3, the radial seal pair by the ring lip 10 lateral surface and inlet opening 3 hole wall
It is formed after being engaged.After the closing of hemispherical valve plate 8 along the axial orthographic projection diagram to its cutting of the main valve axis 6 i.e.
In Fig. 1 and situation shown in Fig. 2, the contour line 11 of the medial surface of ring lip 10 is obliquely installed relative to the axis of the inlet opening 3,
To make the medial surface of the ring lip 10 become circular conical surface.The hemispherical valve plate 8 is axial to it along the main valve axis 6 after closing
Be in the orthographic projection diagram of cutting in Fig. 1 and situation shown in Fig. 2, the contour line 12 of the lateral surface of ring lip 10 relative to it is described into
The axis in water hole 3 can be obliquely installed, can also be arranged in parallel, to make the lateral surface of the ring lip 10 be circular conical surface or cylinder
Face.Axis disposed in parallel situation of the contour line 12 relative to the inlet opening 3 of the lateral surface of ring lip 10 is shown in Fig. 2,
I.e. the lateral surface of ring lip 10 is cylindrical surface；Show the contour line 12 of the lateral surface of ring lip 10 relative to the inlet opening 3 in Fig. 3
The situation that is obliquely installed of axis, i.e. the lateral surface of ring lip 10 is circular conical surface, 11 phase of contour line of the medial surface of the ring lip 10
The angle of inclination being obliquely installed for the axis of the inlet opening 3 can be depending on design requirement.
Above-mentioned radial seal pair is formed after being engaged by the lateral surface of the ring lip 10 and the hole wall of inlet opening 3.By institute
The medial surface for stating ring lip 10 is set as circular conical surface and can bring following benefit：After valve is closed, Fluid pressure acts on medial surface
After can generate radial component, which can be such that the lateral surface of ring lip is tightly bonded with the hole wall of inlet opening 3, be formed from close
Envelope, and the bigger radial component of Fluid pressure is bigger, and ring lip is bonded just more tight with the hole wall of inlet opening 3.
Claims (3)
1. a kind of self sealss eccentric half-ball valve, including valve body（1）, valve body（1）It is interior to be equipped with admission chamber（2）, valve body（1）One end set
Have and admission chamber（2）The inlet opening of connection（3）, the other end is equipped with and admission chamber（2）The apopore of connection（4）, valve body（1）Top
It is connected with valve deck（5）, valve deck（5）On be connected with main valve axis（6）, valve body（1）Bottom is equipped with secondary valve shaft（7）, admission chamber（2）Inside set
It is connected to main valve axis（6）With secondary valve shaft（7）On hemispherical valve plate（8）, hemispherical valve plate（8）Surface on coat it is flexible
Sealant（9）, it is characterised in that：The hemispherical valve plate（8）The elastic sealing layer of sealing surface（9）With inlet opening（3）Inner end
Oral area position can form the axial seal pair for realizing axial seal after being engaged；The hemispherical valve plate（8）Bullet on sealing surface
Property sealant（9）With inlet opening（3）Hole wall be engaged after can form the radial seal pair with radial self sealss effect；
The axial seal pair is by hemispherical valve plate（8）Elastic sealing layer on sealing surface（9）With inlet opening（3）Inner end oral area
Position is formed after being in direct contact；
The hemispherical valve plate（8）Elastic sealing layer on sealing surface（9）Local evagination can be with inlet opening to be formed（3）Hole
The ring lip of wall fitting（10）, the radial seal pair is by the ring lip（10）Lateral surface and inlet opening（3）Hole wall contact match
It is formed after conjunction.
2. self sealss eccentric half-ball valve according to claim 1, it is characterised in that：The ring lip（10）Medial surface wheel
Profile is relative to the inlet opening（3）Axis be obliquely installed, to make the ring lip（10）Medial surface become circular conical surface.
3. self sealss eccentric half-ball valve according to claim 1 or 2, it is characterised in that：The ring lip（10）Lateral surface
Contour line for the inlet opening（3）Axis be arranged in parallel, to make the ring lip（10）Lateral surface be cylindrical surface；Or
Ring lip described in person（10）Lateral surface contour line for the inlet opening（3）Axis be obliquely installed, to make the ring lip
（10）Lateral surface be circular conical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610063359.2A CN105508646B (en) | 2016-01-31 | 2016-01-31 | Self sealss eccentric half-ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610063359.2A CN105508646B (en) | 2016-01-31 | 2016-01-31 | Self sealss eccentric half-ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105508646A CN105508646A (en) | 2016-04-20 |
| CN105508646B true CN105508646B (en) | 2018-09-14 |
Family
ID=55716843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610063359.2A Active CN105508646B (en) | 2016-01-31 | 2016-01-31 | Self sealss eccentric half-ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105508646B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1463697A (en) * | 1973-06-15 | 1977-02-02 | Pont A Mousson | Flow regulating valve |
| SE466770B (en) * | 1988-06-17 | 1992-03-30 | Somas Ventiler | VALVE WITH SPRING INSTALLED SEATING RING |
| CN201661716U (en) * | 2010-04-02 | 2010-12-01 | 荆门市恒力机械有限公司 | Eccentric semi-spherical valve with composite valve core body |
| CN202274132U (en) * | 2011-09-06 | 2012-06-13 | 安徽金源流体控制技术有限公司 | Pipe sealing device of uploaded eccentric semispherical valve |
| CN205479445U (en) * | 2016-01-31 | 2016-08-17 | 山东莱德机械有限公司 | Self sealss eccentric half -ball valve |
-
2016
- 2016-01-31 CN CN201610063359.2A patent/CN105508646B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105508646A (en) | 2016-04-20 |
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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 | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Hairuo Inventor after: Zhang Tonghu Inventor after: Li Pingquan Inventor before: Zhang Tonghu Inventor before: Li Pingquan |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20171227 Address after: 262737 Shandong city of Weifang province Rhine Binhai Economic and Technological Development Zone Road to two Street West Jiangdong North Applicant after: AQUA CASTING Inc. Address before: 261057 No. 3998 West Ring Road North, Weicheng District, Shandong, Weifang Applicant before: SHANDONG LEDE MACHINERY Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Self sealing eccentric hemispherical valve Effective date of registration: 20220224 Granted publication date: 20180914 Pledgee: Weifang Bank Co.,Ltd. Heping Road sub branch Pledgor: AQUA CASTING Inc. Registration number: Y2022980001847 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230223 Granted publication date: 20180914 Pledgee: Weifang Bank Co.,Ltd. Heping Road sub branch Pledgor: AQUA CASTING Inc. Registration number: Y2022980001847 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Self-sealing eccentric hemisphere valve Effective date of registration: 20230228 Granted publication date: 20180914 Pledgee: Weifang Bank Co.,Ltd. Heping Road sub branch Pledgor: AQUA CASTING Inc. Registration number: Y2023980033675 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |