CN108692054A - A kind of valve seat protection against erosion ball valve - Google Patents
A kind of valve seat protection against erosion ball valve Download PDFInfo
- Publication number
- CN108692054A CN108692054A CN201810509759.0A CN201810509759A CN108692054A CN 108692054 A CN108692054 A CN 108692054A CN 201810509759 A CN201810509759 A CN 201810509759A CN 108692054 A CN108692054 A CN 108692054A
- Authority
- CN
- China
- Prior art keywords
- valve
- ball
- rod
- outer bar
- valve seat
- 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.)
- Withdrawn
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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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
- Lift Valve (AREA)
Abstract
The present invention relates to a kind of valve seat protection against erosion ball valves, it is characterised in that:The runner bottom surface is provided with locating slot and straight trough,The locating slot centered on the ball valve vertical axis line at fan arcuate structure,Straight trough is arranged in the underface of the ball valve horizontal axis,The straight trough one end is communicated with one end of locating slot,The straight trough other end stretches to runner mouth nearby,Regulating device is equipped in the runner,The regulating device includes ball clack,Compressed spring,Telescopic rod,Locating rod and adjusting set,It is equipped with the axis lower outer bar consistent with adjusting set axis and lower interior bar in valve body middle and lower part,Lower outer bar upper end forms a fixed connection with adjusting set,Valve body lower end portion is stretched out in lower outer bar lower end,Lower interior bar is placed in the inside of lower outer bar,It is the trapezoidal pull rod of chamfer that lower interior bar upper end, which is equipped with vertical cross-section,,The pull rod stretches to adjusting set inner cavity top by adjusting card slot,Lower outer bar lower face is stretched out in lower interior bar lower end,It is good with valve seat protection against erosion,Service life is long,Safe advantage.
Description
Technical field
The present invention relates to a kind of ball valves, more particularly, to a kind of valve seat protection against erosion ball valve.
Background technology
Existing ball valve, includes mainly valve body, valve seat, sphere and upper valve rod, and sphere is placed in body cavity, energy is equipped in sphere
The runner communicated with body cavity, valve seat are made of non-metallic plastic material, can be formed and be sealed with outer surface of spheroid, sphere is by valve
Bar drives and makees 90 degree of rotary motions around ball valve axis, the open and close with valve seat cooperation for fluid, its shortcoming is that:
During sphere opens and closes, part valve seat can be detached from spherome surface, and the medium of ball valve inlet side can pass through valve seat and ball
Gap between body surface face is flowed to ball valve outlet side, and the medium of the flowing of medium, especially high-voltage high-speed can be to valve seat table
Face is washed away, and to destroy valve seat, causes valve leak, service life short.
Invention content
For technological deficiency existing in the prior art, a kind of valve seat protection against erosion of present invention offer is good, service life is long,
A kind of safe valve seat protection against erosion ball valve.
The present invention realizes by following technical solution:
A kind of valve seat protection against erosion ball valve, including:Valve body, sphere, valve seat, filler, gland, connecting bracket and upper valve rod, valve body
Middle part upper end is equipped with connecting flange and packing groove, and filler is fixedly installed in packing groove by gland, and connecting bracket is tight by standard
Firmware is mounted at the connecting flange, and upper valve rod upper end is equipped with the keyway being connect with external driver device, and upper valve rod lower end passes through
Packing groove stretches into body cavity and is connect with sphere, and sphere is placed in body cavity, and outer surface of spheroid is spherical surface structure, in sphere
Equipped with the runner that can be communicated with body cavity, valve seat is made of non-metallic plastic material and is vertically provided at body cavity, valve seat
Equipped with the sealing surface of seat for forming sealing with outer surface of spheroid, sphere is driven by upper valve rod and around 90 degree of rotation of the ball valve vertical axis
Turn, to be turned on and off the ball valve, it is characterised in that:The runner bottom surface is provided with locating slot and straight trough, the locating slot with
Line is arranged at fan arcuate structure, straight trough in the underface of the ball valve horizontal axis centered on the ball valve vertical axis, the straight trough one
End is communicated with one end of locating slot, which stretches to runner mouth nearby;Regulating device, the tune are equipped in the runner
Regulating device includes ball clack, compressed spring, telescopic rod, locating rod and adjusting set, and adjusting set is at inverted bucket shape structure, and with the ball valve
Line is vertically provided in runner centered on vertical axis, and ball clack one end is equipped with the spherical watch consistent with outer surface of spheroid radius
Face, ball clack outer circle is consistent with the size of runner mouth diameter, and telescopic rod is laterally arranged, which is fixed at ball clack
Other end, which, which is equipped with, adjusts card slot, and stretches into adjusting set, and locating rod is vertically arranged, in the locating rod
End is fixed on telescopic rod, and locating rod lower end is stretched into locating slot, and compressed spring is horizontally installed between ball clack and adjusting set;
Valve body middle and lower part is equipped with the axis lower outer bar consistent with adjusting set axis and lower interior bar, and lower outer bar upper end forms solid with adjusting set
Valve body lower end portion is stretched out in fixed connection, lower outer bar lower end, and lower interior bar is placed in the inside of lower outer bar, and lower interior bar upper end is equipped with vertical cross-section
For the trapezoidal pull rod of chamfer, which stretches to adjusting set inner cavity top by adjusting card slot, and lower outer bar is stretched out in lower interior bar lower end
Lower face is equipped in the lower interior bar lower end and holds block.
Further, the lower outer bar is mounted on valve body middle and lower part by briquetting, and briquetting is threadedly attached in valve body
The lower end of lower end, lower outer bar is equipped with adjusting block.
Further, retaining block is installed at the packing groove, the retaining block by standard fasteners fix filler with
Between filler groove bottom.
Further, be equipped with O-ring seal between the lower outer bar and valve body lower portion, the lower outer bar and lower interior bar it
Between be equipped with O-ring seal.
Further, the seat material is polytetrafluoroethylene (PTFE).
Further, the valve body is made of left and right valve body, and left and right valve body is fixedly mounted on by standard fasteners
Together.
A kind of application method of valve seat protection against erosion ball valve:
It is as follows to close a kind of application method of valve seat protection against erosion ball valve:
A. lower outer bar is rotated, drives adjusting set, telescopic rod, locating rod, compressed spring and ball clack together along the shape of locating slot
Rotation,
B. when locating rod reaches straight trough position, ball clack is moved along straight trough to runner mouth under the promotion of compressed spring, finally
Ball clack
Runner mouth is rested on, ball clack outer surface forms one with outer surface of spheroid,
C. it is rotated further by upper valve rod to rotate at 90 degree, closes a kind of valve seat protection against erosion ball valve;Valve is closed at this time
It is as follows to open a kind of application method of valve seat protection against erosion ball valve:
A. rotation upper valve rod is rotated at 90 degree first, and the import that runner mouth is directed at the ball valve is made to go out,
B. interior bar is pulled down down again, telescopic rod drives locating rod to be detached from straight trough under the action of section is chamfer trapezoidal pull rod,
Together
When drive ball clack be detached from runner mouth,
C. lower outer bar is rotated again, and ball clack, compressed spring, telescopic rod, locating rod is driven to return to home position along locating slot, this
When valve opening.
The advantage of the invention is that:Runner position be equipped with regulating device, during valve opening, closing, the valve into
The medium of mouth side will not be flowed by the gap between outer surface of spheroid and sealing surface of seat to outlet side, and medium will not be to valve seat
Sealing surface is washed away, the effective service life for extending valve seat;Retaining block is installed, it is ensured that replacing filler at packing groove
When, it prevents upper valve rod from flying out under the action of pressure medium, has the advantages that safe;Lower outer bar and lower interior bar are set
It sets, has the advantages that easy to adjust;The simple, convenient, and reliable property of application method of the valve is high.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Specific implementation mode:
As can be seen from FIG. 1, a kind of valve seat protection against erosion ball valve, including:Valve body 1, valve seat 3, filler 13, gland 14, connects sphere 2
Holder 15 and upper valve rod 12 are connect, 1 middle part upper end of valve body is equipped with connecting flange and packing groove, and filler 13 is fixedly installed in by gland 14
At packing groove, connecting bracket 15 is mounted on by standard fasteners at the connecting flange, and 12 upper end of upper valve rod is equipped with drives with outside
The keyway of dynamic device connection, 12 lower end of upper valve rod are stretched into 1 inner cavity of valve body across packing groove and are connect with sphere 2, and sphere 2 is placed in valve body
1 inner cavity, 2 outer surface of sphere are spherical surface structure, are equipped with the runner that can be communicated with 1 inner cavity of valve body in sphere 2, valve seat 3 is by non-
Metallo-plastic material is made and is vertically provided at 1 inner cavity of valve body, and it is close that valve seat 3 is equipped with the valve seat for being formed and being sealed with 2 outer surface of sphere
Cover, sphere 2 is driven by upper valve rod 12 and around 90 degree of rotation of the ball valve vertical axis, to be turned on and off the ball valve, at this
Runner bottom surface is provided with locating slot 8 and straight trough, and line is at fan arcuate structure centered on the ball valve vertical axis for the locating slot 8, directly
Slot is arranged in the underface of the ball valve horizontal axis, which communicates with one end of locating slot 8, which stretches to
Runner mouth nearby;Regulating device is equipped in the runner, which includes ball clack 4, compressed spring 5, telescopic rod 6, determines
Position bar 7 and adjusting set 11, adjusting set 11 is at inverted bucket shape structure, and line is vertically provided at stream centered on the vertical axis of the ball valve
In road, 4 one end of ball clack is equipped with the spherical surface consistent with 2 appearance radius surface of sphere, and 4 outer circle of ball clack is big with runner mouth diameter
Small consistent, laterally setting, 6 one end of telescopic rod are fixed at 4 other end of ball clack to telescopic rod 6,6 other end of telescopic rod
It equipped with adjusting card slot, and stretches into adjusting set 11, locating rod 7 is vertically arranged, which is fixed on telescopic rod 6, fixed
Position 7 lower end of bar is stretched into locating slot 8, and compressed spring 5 is horizontally installed between ball clack 4 and adjusting set 11;It is set in 1 middle and lower part of valve body
There are the lower outer bar 9 and lower interior bar 10 that axis is consistent with 11 axis of adjusting set, lower 9 upper end of outer bar to form fixed connect with adjusting set 11
It connects, 1 lower end of valve body is stretched out in lower 9 lower end of outer bar, and lower interior bar 10 is placed in the inside of lower outer bar 9, and lower 10 upper end of interior bar is equipped with vertical
Section is the trapezoidal pull rod of chamfer, which stretches to 11 inner cavity top of adjusting set by adjusting card slot, and lower 10 lower end of interior bar is stretched
Go out 9 lower face of lower outer bar, is equipped in 10 lower end of lower interior bar and holds block.
A kind of application method of valve seat protection against erosion ball valve:
It is as follows to close a kind of application method of valve seat protection against erosion ball valve:
A. lower outer bar is rotated, drives adjusting set, telescopic rod, locating rod, compressed spring and ball clack together along the shape of locating slot
Rotation,
B. when locating rod reaches straight trough position, ball clack is moved along straight trough to runner mouth under the promotion of compressed spring, finally
Ball clack
Runner mouth is rested on, ball clack outer surface forms one with outer surface of spheroid,
C. it is rotated further by upper valve rod to rotate at 90 degree, closes a kind of valve seat protection against erosion ball valve;Valve is closed at this time
During closing, sealing surface of seat is tightly attached to sphere or ball clack surface always, and the medium of the ball valve inlet side can not
Enter outlet side by sphere or ball clack surface, medium will not wash away sealing surface of seat.
It is as follows to open a kind of application method of valve seat protection against erosion ball valve:
A. rotation upper valve rod is rotated at 90 degree first, and the import that runner mouth is directed at the ball valve is made to go out,
B. interior bar is pulled down down again, telescopic rod drives locating rod to be detached from straight trough under the action of section is chamfer trapezoidal pull rod,
Together
When drive ball clack be detached from runner mouth,
C. lower outer bar is rotated again, and ball clack, compressed spring, telescopic rod, locating rod is driven to return to home position along locating slot, this
When valve opening.
During unlatching, sealing surface of seat is tightly attached to sphere or ball clack surface, the medium of the ball valve inlet side always
Outlet side can not be entered by sphere or ball clack surface, medium will not wash away sealing surface of seat.
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (6)
1. a kind of valve seat protection against erosion ball valve, including:Valve body, sphere, valve seat, filler, gland, connecting bracket and upper valve rod, valve body
Middle part upper end is equipped with connecting flange and packing groove, and filler is fixedly installed in packing groove by gland, and connecting bracket is tight by standard
Firmware is mounted at the connecting flange, and upper valve rod upper end is equipped with the keyway being connect with external driver device, and upper valve rod lower end passes through
Packing groove stretches into body cavity and is connect with sphere, and sphere is placed in body cavity, and outer surface of spheroid is spherical surface structure, in sphere
Equipped with the runner that can be communicated with body cavity, valve seat is made of non-metallic plastic material and is vertically provided at body cavity, valve seat
Equipped with the sealing surface of seat for forming sealing with outer surface of spheroid, sphere is driven by upper valve rod and around 90 degree of rotation of the ball valve vertical axis
Turn, to be turned on and off the ball valve, it is characterised in that:The runner bottom surface is provided with locating slot and straight trough, the locating slot with
Line is arranged at fan arcuate structure, straight trough in the underface of the ball valve horizontal axis centered on the ball valve vertical axis, the straight trough one
End is communicated with one end of locating slot, which stretches to runner mouth nearby;Regulating device, the tune are equipped in the runner
Regulating device includes ball clack, compressed spring, telescopic rod, locating rod and adjusting set, and adjusting set is at inverted bucket shape structure, and with the ball valve
Line is vertically provided in runner centered on vertical axis, and ball clack one end is equipped with the spherical watch consistent with outer surface of spheroid radius
Face, ball clack outer circle is consistent with the size of runner mouth diameter, and telescopic rod is laterally arranged, which is fixed at ball clack
Other end, which, which is equipped with, adjusts card slot, and stretches into adjusting set, and locating rod is vertically arranged, in the locating rod
End is fixed on telescopic rod, and locating rod lower end is stretched into locating slot, and compressed spring is horizontally installed between ball clack and adjusting set;
Valve body middle and lower part is equipped with the axis lower outer bar consistent with adjusting set axis and lower interior bar, and lower outer bar upper end forms solid with adjusting set
Valve body lower end portion is stretched out in fixed connection, lower outer bar lower end, and lower interior bar is placed in the inside of lower outer bar, and lower interior bar upper end is equipped with vertical cross-section
For the trapezoidal pull rod of chamfer, which stretches to adjusting set inner cavity top by adjusting card slot, and lower outer bar is stretched out in lower interior bar lower end
Lower face is equipped in the lower interior bar lower end and holds block.
2. a kind of valve seat protection against erosion ball valve according to claim 1, it is characterised in that:The lower outer bar is installed by briquetting
In valve body middle and lower part, briquetting is threadedly attached in valve body lower end, and the lower end of lower outer bar is equipped with adjusting block.
3. a kind of valve seat protection against erosion ball valve according to claim 1, it is characterised in that:Resistance shelves are installed at the packing groove
Block, the retaining block are fixed by standard fasteners between filler and filler groove bottom.
4. a kind of valve seat protection against erosion ball valve according to claim 1, it is characterised in that:The lower outer bar and valve body lower portion it
Between be equipped with O-ring seal, between the lower outer bar and lower interior bar be equipped with O-ring seal.
5. a kind of valve seat protection against erosion ball valve according to claim 1, it is characterised in that:The seat material is polytetrafluoroethyl-ne
Alkene.
6. a kind of valve seat protection against erosion ball valve according to claim 1, it is characterised in that:The valve body is by left and right valve body group
At left and right valve body is fixedly installed togather by standard fasteners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810509759.0A CN108692054A (en) | 2018-05-24 | 2018-05-24 | A kind of valve seat protection against erosion ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810509759.0A CN108692054A (en) | 2018-05-24 | 2018-05-24 | A kind of valve seat protection against erosion ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108692054A true CN108692054A (en) | 2018-10-23 |
Family
ID=63847077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810509759.0A Withdrawn CN108692054A (en) | 2018-05-24 | 2018-05-24 | A kind of valve seat protection against erosion ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108692054A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159785A (en) * | 2019-06-19 | 2019-08-23 | 韩国昊 | A kind of improved ball valve |
| CN111503361A (en) * | 2020-05-11 | 2020-08-07 | 永嘉企达知识产权咨询有限公司 | Anti-scouring ball valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5440969A (en) * | 1994-03-09 | 1995-08-15 | Shin; Wan-Sheng | Cylinder-operated and spring-loaded driving mechanism for a ball valve |
| CN1298067A (en) * | 1999-11-30 | 2001-06-06 | 王加新 | Rolling ball valve sealing structure |
| CN104913080A (en) * | 2015-04-20 | 2015-09-16 | 广州市昊封流体工程技术有限公司 | Non-wear boosting ball valve |
| CN206092998U (en) * | 2016-05-25 | 2017-04-12 | 中冶南方工程技术有限公司 | Butterfly valve |
| CN106763856A (en) * | 2017-02-22 | 2017-05-31 | 李祥庆 | One kind is without abradable seal plug valve |
-
2018
- 2018-05-24 CN CN201810509759.0A patent/CN108692054A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5440969A (en) * | 1994-03-09 | 1995-08-15 | Shin; Wan-Sheng | Cylinder-operated and spring-loaded driving mechanism for a ball valve |
| CN1298067A (en) * | 1999-11-30 | 2001-06-06 | 王加新 | Rolling ball valve sealing structure |
| CN104913080A (en) * | 2015-04-20 | 2015-09-16 | 广州市昊封流体工程技术有限公司 | Non-wear boosting ball valve |
| CN206092998U (en) * | 2016-05-25 | 2017-04-12 | 中冶南方工程技术有限公司 | Butterfly valve |
| CN106763856A (en) * | 2017-02-22 | 2017-05-31 | 李祥庆 | One kind is without abradable seal plug valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159785A (en) * | 2019-06-19 | 2019-08-23 | 韩国昊 | A kind of improved ball valve |
| CN111503361A (en) * | 2020-05-11 | 2020-08-07 | 永嘉企达知识产权咨询有限公司 | Anti-scouring ball valve |
| CN111503361B (en) * | 2020-05-11 | 2021-12-03 | 浙江庆豪铜业股份有限公司 | Anti-scouring ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181023 |
|
| WW01 | Invention patent application withdrawn after publication |