CN107314123A - A kind of valve core rotation device of control ball valve - Google Patents
A kind of valve core rotation device of control ball valve Download PDFInfo
- Publication number
- CN107314123A CN107314123A CN201710663536.5A CN201710663536A CN107314123A CN 107314123 A CN107314123 A CN 107314123A CN 201710663536 A CN201710663536 A CN 201710663536A CN 107314123 A CN107314123 A CN 107314123A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve element
- core rotation
- valve core
- rotation device
- 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.)
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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
- 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
- F16K5/0673—Composite 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
- F16K5/06—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
- F16K5/0689—Packings between housing and plug
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
A kind of technical field for controlling the valve core rotation device of ball valve to belong to flow control valve accessory, a kind of valve core rotation device of described control ball valve, it is characterized in that the valve element lower bearing including valve element and support valve core rotation, described valve element bottom sets endoporus, valve element bottom surface connects spool chassis, the spool chassis center sets the central shaft bearing bore with composite surface structure, and valve element lower bearing top is through central shaft bearing bore and inner hole and supports valve core rotation.Such scheme part is simple, without numerous and diverse process can machine-shaping, intert the i.e. sustainable valve element of rotation and open and close, assemble rapid and convenient, cost of manufacture and manual assembly cost are substantially reduced；Because valve element lower bearing coordinates with spool chassis composite surface dexterity, keying effect is can reach under the moment of torsion effect of very little, is also greatly reduced in terms of power consumption, is saved and sealing effectiveness is all good.
Description
Technical field
The invention belongs to the technical field of flow control valve accessory, and in particular to a kind of valve core rotation dress of control ball valve
Put.
Background technology
At present, the valve core rotation of control ball valve is all by setting a swing component at the top of valve element, passing through the silk on swing component
Bar is rotated and opened and closed with movable valve plug, therefore during valve core rotation, the dress for supporting it to rotate together must be arranged at valve element bottom
Put.Existing such device is：Valve element is bolted valve element lower axle, and valve element lower axle bottom connects with oscillating bearing inner ring
Connect, oscillating bearing outer ring is fixed on bearing block, rotated for the ease of oscillating bearing on bearing block, in oscillating bearing and bearing
Seat junction sets a check ring.Said structure part is more, and the manufacturing procedure being related to is also more, and assembling process also can be more in addition
Numerous and diverse, cost of manufacture is high；Often do not reach required pretightning force in use, and valve seat and valve element sealing effectiveness not
It is good, often cause leakage phenomenon, and the big damage power consumption of moment of torsion.
The content of the invention
For the above-mentioned problems in the prior art, present invention aims at provide a kind of valve core rotation of control ball valve
The technical scheme of device.
The valve core rotation device of described a kind of control ball valve, it is characterised in that including valve element and support valve core rotation
Valve element lower bearing, described valve element bottom sets endoporus, valve element bottom surface connection spool chassis, spool chassis center setting
Central shaft bearing bore with composite surface structure, valve element lower bearing top is through central shaft bearing bore and inner hole and supports valve element turn
It is dynamic.
The valve core rotation device of described a kind of control ball valve, it is characterised in that in described spool chassis center
Heart bearing hole sets the composite surface structure having to be followed successively by arc surface, the face of cylinder and circular conical surface from top to bottom.
The valve core rotation device of described a kind of control ball valve, it is characterised in that described composite surface is two and symmetrically set
Put in the horizontal direction of spool chassis center, described central shaft bearing bore is flat pattern and is arranged in spool chassis
In the vertical direction of heart position.
The valve core rotation device of described a kind of control ball valve, it is characterised in that described valve element lower bearing is included from up to
Under integrally formed flat spheroid, the first cylinder, the second cylinder, wherein flat spherical part pass through spool chassis centre bearing
Hole is connected with valve element inner hole.
The valve core rotation device of described a kind of control ball valve, it is characterised in that described flat spheroid lower peripheral surface passes through rotation
Turn to amplexiform cooperation with the face of cylinder and circular conical surface with arc surface snug fit, the first cylinder top.
The valve core rotation device of described a kind of control ball valve, it is characterised in that the width of flat spheroid and the first cylinder
Diameter it is identical, the diameter of flat spheroid sets the diameter of endoporus identical with valve element bottom, in the first cylinder and the second cylinder
Body junction is provided with rib.
The valve core rotation device of described a kind of control ball valve, it is characterised in that described valve element vertical direction is provided with logical
Hole, is provided with the circular arc segment spherical surface body for Open-close sealing on the right side of through hole, is provided with the left of through hole for aiding in
3rd cylinder of circular arc segment spherical surface body processing.
The valve core rotation device of described a kind of control ball valve, it is characterised in that circular arc segment spherical surface body passes through rotation and valve
Seat is tightly connected cooperation, and the excircle of described valve seat is provided with the first seal groove, and the inner periphery of valve seat is provided with the second seal groove,
The first described seal groove embeds the first sealing ring, and the second described seal groove embeds the second sealing ring, and described valve seat passes through
Second sealing ring opens and closes with valve element and is connected cooperation.
The valve core rotation device of described a kind of control ball valve, it is characterised in that the second described seal groove is some planes
Width is less than the line footpath of the second sealing ring at the hooked structure enclosed, the opening of second seal groove.
The valve core rotation device of described a kind of control ball valve, it is characterised in that described spool chassis passes through spiral shell with valve element
Silk is fixedly connected.
Such scheme has the following technical effect that：
1. part is simple, without numerous and diverse process can machine-shaping, intert the i.e. sustainable valve element of rotation and open and close, assembling is quick just
Victory, cost of manufacture and manual assembly cost are substantially reduced；
2. because valve element lower bearing and spool chassis composite surface dexterity coordinate, keying effect is can reach under the moment of torsion effect of very little
Really, also greatly reduced in terms of power consumption, save and sealing effectiveness is all good.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is spool chassis structural representation of the invention；
Fig. 3 is valve element lower bearing structural representation of the invention；
Fig. 4 is valve seat construction schematic diagram of the invention；
In accompanying drawing：1- valve elements, 2- valve seats, 3 spool chassis, 4- valve element lower bearings, the cylinders of 11- the 3rd, 12- circular arc segment spheres
Body, 13- endoporus, 14- through holes, the sealing rings of 21- second, the sealing rings of 22- first, the seal grooves of 23- second, 31- bearing holes, 32- circles
Cambered surface, the 33- faces of cylinder, 34- circular conical surfaces, the flat spheroids of 41-, the cylinders of 42- first, 43- ribs, 44 second cylinders.
Embodiment
Below in conjunction with accompanying drawing the invention will be further described explain.
A kind of valve core rotation device of control ball valve as described in Fig. 1-4, including valve element 1 and the valve element for supporting valve core rotation
Lower bearing 4, described valve element bottom sets endoporus 13, and valve element underrun screw is fixedly connected with spool chassis 3, the valve element bottom
Disk center position sets the central shaft bearing bore 31 with composite surface structure, and composite surface generally for two and is symmetricly set on
In the horizontal direction of spool chassis center, described valve element lower bearing 4 is rotated with the composite surface and more put down when touching cooperation
Surely, described central shaft bearing bore 31 is flat pattern and is arranged in the vertical direction of spool chassis center.Valve element lower axle
Holding 4 includes integrally formed flat spheroid 41, the first cylinder 42, the second cylinder 44, the width of flat spheroid from top to bottom
Identical with the diameter of the first cylinder, the diameter of flat spheroid sets the diameter of endoporus identical with valve element bottom, in the first cylinder
Body and the second cylinder junction are provided with rib 43.Wherein flat spherical part can be accurately light and handy through flat pattern
Spool chassis central shaft bearing bore is connected with valve element inner hole.
The central shaft bearing bore of the described center of spool chassis 3 sets the composite surface structure having to be followed successively by from top to bottom
Arc surface 32, the face of cylinder 33 and circular conical surface 34, the flat spheroid lower peripheral surface through the valve element lower bearing after central shaft bearing bore is through rotation
Turning can be with arc surface snug fit, in addition, cooperation is amplexiformed in the first cylinder top with the face of cylinder and circular conical surface.Set by above-mentioned
Put, realize small moment of torsion and rotate, only need the pretightning force of very little to can reach sealing effectiveness.
Described valve element vertical direction is provided with through hole 14, and the through hole is suitable with valve base aperture, is set on the right side of through hole
There is the circular arc segment spherical surface body 12 for Open-close sealing, be provided with the left of through hole for the processing of auxiliary circular arc segment spherical surface body
The 3rd cylinder 11.Due to the irregular structure that is shaped as of circular arc segment spherical surface body, therefore on lathe, processing can be unusual
Trouble, it is original to need one special additional processing equipment of configuration in addition, pass through the setting of the 3rd cylinder now, you can logical
Cross triangle pawl crawl on lathe and fix the direct auxiliary circular arc segment spherical surface body processing of the 3rd cylinder, raising efficiency is reduced into
This.Circular arc segment spherical surface body is tightly connected cooperation by rotation and valve seat 2, in order to which sealing effectiveness is further carried in closing process
Rise, the excircle of described valve seat is provided with the first seal groove, and the inner periphery of valve seat is provided with the second seal groove 23, described first
Seal groove embeds the first sealing ring 22, and the second described seal groove embeds the second sealing ring 21, and described valve seat is close by second
Seal opens and closes with valve element and is connected cooperation.Second seal groove 23 is some planes（Generally five）The hooked enclosed
Width is less than the line footpath of the second sealing ring at structure, the opening of second seal groove, and such second sealing ring fills in the second sealing
In groove, hooked structure can make the second sealing ring fasten so that when shutoff valve sealing effectiveness more preferably without
Leakage phenomenon.
Above-mentioned valve element, valve seat, valve element lower bearing, spool chassis overall work process it is as follows：It is first according to said structure
Setting is assemblied in control ball valve body, during unlatching, is rotated by control ball valve autocontrol valve core lower bearing, due to spool chassis
Composite surface structure, valve element lower bearing can drive spool chassis to rotate, spool chassis and valve element fixing assembling, therefore valve element bottom
While disk is rotated, valve element, which is also followed, to be rotated up to valve core through hole and is connected with valve seat through-hole；During closing, valve element lower bearing inversely turns
It is dynamic, until circular arc segment spherical surface body 12 and the clamping of the second sealing ring 21 closing can reach effect.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and be carried out, and it is not intended to limit the scope of the present invention, all according to the present invention
The equivalent change or modification that Spirit Essence is made, should all cover within the scope of the present invention.
Claims (10)
1. a kind of valve core rotation device of control ball valve, it is characterised in that including valve element（1）And under the valve element of support valve core rotation
Bearing（4）, described valve element bottom sets endoporus（13）, valve element bottom surface connection spool chassis（3）, the spool chassis center
Central shaft bearing bore with composite surface structure is set（31）, valve element lower bearing top is through central shaft bearing bore and inner hole and props up
Hold valve core rotation.
2. a kind of valve core rotation device of control ball valve as claimed in claim 1, it is characterised in that described spool chassis（3）
The central shaft bearing bore of center sets the composite surface structure having to be followed successively by arc surface from top to bottom（32）, the face of cylinder（33）With
Circular conical surface（34）.
3. the valve core rotation device of a kind of control ball valve as claimed in claim 2, it is characterised in that described composite surface is two
It is individual and be symmetricly set in the horizontal direction of spool chassis center, described central shaft bearing bore（31）For flat pattern and set
Put in the vertical direction of spool chassis center.
4. a kind of valve core rotation device of control ball valve as claimed in claim 2, it is characterised in that described valve element lower bearing
（4）Including integrally formed flat spheroid from top to bottom（41）, the first cylinder（42）, the second cylinder（44）, wherein flat
Spherical part is connected through spool chassis central shaft bearing bore with valve element inner hole.
5. the valve core rotation device of a kind of control ball valve as claimed in claim 4, it is characterised in that under described flat spheroid
Sphere amplexiforms cooperation by rotation and arc surface snug fit, the first cylinder top with the face of cylinder and circular conical surface.
6. a kind of valve core rotation device for controlling ball valve as claimed in claim 5, it is characterised in that the width of flat spheroid with
The diameter of first cylinder is identical, and the diameter of flat spheroid sets the diameter of endoporus identical with valve element bottom, in the first cylinder
Second cylinder junction is provided with rib（43）.
7. a kind of valve core rotation device of control ball valve as described in claim 1-5 is any, it is characterised in that described valve element
Vertical direction is provided with through hole（14）, the circular arc segment spherical surface body for Open-close sealing is provided with the right side of through hole（12）,
The 3rd cylinder processed for auxiliary circular arc segment spherical surface body is provided with the left of through hole（11）.
8. the valve core rotation device of a kind of control ball valve as claimed in claim 7, it is characterised in that circular arc segment spherical surface body is led to
Cross rotation and valve seat（2）Cooperation is tightly connected, the excircle of described valve seat is provided with the first seal groove, and the inner periphery of valve seat is set
There is the second seal groove（23）, embedded first sealing ring of the first described seal groove（22）, described the second seal groove embedded second
Sealing ring（21）, described valve seat is opened and closed by the second sealing ring with valve element is connected cooperation.
9. a kind of valve core rotation device of control ball valve as claimed in claim 8, it is characterised in that the second described seal groove
（23）Width is less than the line of the second sealing ring at the hooked structure enclosed for some planes, the opening of second seal groove
Footpath.
10. a kind of valve core rotation device for controlling ball valve as claimed in claim 2, it is characterised in that described spool chassis with
Valve element is screwed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710663536.5A CN107314123A (en) | 2017-08-05 | 2017-08-05 | A kind of valve core rotation device of control ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710663536.5A CN107314123A (en) | 2017-08-05 | 2017-08-05 | A kind of valve core rotation device of control ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107314123A true CN107314123A (en) | 2017-11-03 |
Family
ID=60175454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710663536.5A Withdrawn CN107314123A (en) | 2017-08-05 | 2017-08-05 | A kind of valve core rotation device of control ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107314123A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606221A (en) * | 2017-11-07 | 2018-01-19 | 蔡万君 | A kind of valve core rotation device for controlling ball valve |
| CN108150670A (en) * | 2018-02-25 | 2018-06-12 | 浙江维度仪表有限公司 | A kind of track Stroke Control ball valve |
-
2017
- 2017-08-05 CN CN201710663536.5A patent/CN107314123A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606221A (en) * | 2017-11-07 | 2018-01-19 | 蔡万君 | A kind of valve core rotation device for controlling ball valve |
| CN108150670A (en) * | 2018-02-25 | 2018-06-12 | 浙江维度仪表有限公司 | A kind of track Stroke Control ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171103 |
|
| WW01 | Invention patent application withdrawn after publication |