CN108547965A - A kind of application method of ball valve - Google Patents
A kind of application method of ball valve Download PDFInfo
- Publication number
- CN108547965A CN108547965A CN201810508618.7A CN201810508618A CN108547965A CN 108547965 A CN108547965 A CN 108547965A CN 201810508618 A CN201810508618 A CN 201810508618A CN 108547965 A CN108547965 A CN 108547965A
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- CN
- China
- Prior art keywords
- valve
- ball
- rod
- drawstring
- ball valve
- 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
- F16K5/0663—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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
-
- 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)
- Lift Valve (AREA)
Abstract
The present invention relates to a kind of application methods of ball valve, it is characterised in that：It is as follows to close a kind of application method of ball valve:A. lower outer bar is rotated, adjusting set, telescopic rod, locating rod, compressed spring, drawstring and ball clack is driven to be rotated together along the shape of locating slot, b. when locating rod reaches straight trough position, ball clack rests on runner mouth, 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 ball valve；It is as follows to open a kind of application method of ball valve:A. rotation upper valve rod is rotated at 90 degree first, the import that runner mouth is directed at the ball valve is set to go out, b. lower interior bar is rotated again, so that part drawstring is wrapped in the surface of lower interior bar upper end cylinder, telescopic rod is under the pulling of drawstring, locating rod is driven to be detached from straight trough, ball clack is driven to be detached from runner mouth, c. rotates lower outer bar again, and ball clack is driven to return to home position, valve opening, the simple, convenient, and reliable property of the application method are high.
Description
Technical field
The present invention relates to a kind of methods, more particularly, to a kind of application method of 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 ball valve and its application method.
The present invention realizes by following technical solution：
A kind of ball valve, including：Valve body, sphere, valve seat, filler, gland, connecting bracket and upper valve rod, valve body middle part upper end are set
There are connecting flange and packing groove, filler to be fixedly installed in packing groove by gland, connecting bracket is mounted on by standard fasteners
At the connecting flange, upper valve rod upper end is equipped with the keyway being connect with external driver device, and upper valve rod lower end is stretched into across packing groove
Body cavity is connect with sphere, and sphere is placed in body cavity, and outer surface of spheroid is spherical surface structure, and energy and valve are equipped in sphere
The runner that intracoelomic cavity communicates, valve seat are made of non-metallic plastic material and are vertically provided at body cavity, and valve seat is equipped with and sphere
Outer surface forms the sealing surface of seat of sealing, and sphere is driven by upper valve rod and around 90 degree of rotations of the ball valve vertical axis, to open
Open or close the ball valve, it is characterised in that：The runner bottom surface is provided with locating slot and straight trough, the locating slot is vertical with the ball valve
Line is arranged at fan arcuate structure, straight trough in the underface of the ball valve horizontal axis centered on axis, the straight trough one end and locating slot
One end communicate, which stretches to runner mouth nearby；Regulating device is equipped in the runner, which includes
Ball clack, compressed spring, telescopic rod, locating rod, drawstring and adjusting set, adjusting set is at inverted bucket shape structure, and with the vertical of the ball valve
Line is vertically provided in runner centered on axis, and ball clack one end is equipped with the spherical surface consistent with outer surface of spheroid radius, ball
Valve outer circle is consistent with the size of runner mouth diameter, and telescopic rod is laterally arranged, and it is another which is fixed at ball clack
End face, the telescopic rod other end are fixedly connected with one end of drawstring, and the other end of drawstring stretches into adjusting set, and locating rod is vertically set
It sets, which is fixed on telescopic rod, and in the locating slot of locating rod lower end, compressed spring is horizontally installed on ball clack and adjusts
Between set；It is equipped with the axis lower outer bar consistent with adjusting set axis and lower interior bar, lower outer bar upper end and tune in valve body middle and lower part
Section set forms a fixed connection, and valve body lower end portion is stretched out in 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 set
There is cylinder, which stretches into adjusting set, and connect with the drawstring end in adjusting set is stretched into, and lower interior bar lower end is stretched
Go out lower outer bar 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.
Further, the drawstring material is fibrous material.
Further, the drawstring material is nylon.
A kind of application method of ball valve:
It is as follows to close a kind of application method of ball valve:
A. lower outer bar is rotated, drives adjusting set, telescopic rod, locating rod, compressed spring, drawstring and ball clack together along locating slot
Shape rotates,
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 ball valve, valve is closed at this time；
It is as follows to open a kind of application method of 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. lower interior bar is rotated again, and part drawstring is made to be wrapped in the surface of lower interior bar upper end cylinder, pulling of the telescopic rod in drawstring
Under,
It drives locating rod to be detached from straight trough, while ball clack being driven to be detached from runner mouth,
C. lower outer bar is rotated again, and ball clack, compressed spring, drawstring, telescopic rod, locating rod is driven to return to raw bits along locating slot
It sets, at this time 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 ball valve, including：Valve body 1, sphere 2, valve seat 3, filler 13, gland 14,15 and of connecting bracket
Upper valve rod 12,1 middle part upper end of valve body are equipped with connecting flange and packing groove, and filler 13 is fixedly installed in packing groove by gland 14,
Connecting bracket 15 is mounted on by standard fasteners at the connecting flange, and 12 upper end of upper valve rod is equipped with and is connect with external driver device
Keyway, 12 lower end of upper valve rod stretches into 1 inner cavity of valve body across packing groove and connect with sphere 2, and sphere 2 is placed in 1 inner cavity of valve body, sphere
2 outer surfaces 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-metallic plastic material
Material is made and is vertically provided at 1 inner cavity of valve body, and valve seat 3 is equipped with the sealing surface of seat that sealing is formed with 2 outer surface of sphere, sphere 2
It is driven by upper valve rod 12 and around 90 degree of rotations of the ball valve vertical axis, to be turned on and off the ball valve, is set in the runner bottom surface
It is equipped with locating slot 8 and straight trough, the locating slot 8 line centered on the ball valve vertical axis is arranged at fan arcuate structure, straight trough at this
The underface of ball valve horizontal axis, the straight trough one end are communicated with one end of locating slot 8, which stretches to runner nearby
Mouthful；Regulating device is equipped in the runner, which includes ball clack 4, compressed spring 5, telescopic rod 6, locating rod 7, drawstring
16 and adjusting set 11, adjusting set 11 is at inverted bucket shape structure, and line is vertically provided at runner centered on the vertical axis of the ball valve
Interior, 4 one end of ball clack is equipped with the spherical surface consistent with 2 appearance radius surface of sphere, the size of 4 outer circle of ball clack and runner mouth diameter
Consistent, laterally setting, 6 one end of telescopic rod are fixed at 4 other end of ball clack for telescopic rod 6,6 other end of telescopic rod with
One end of drawstring 16 is fixedly connected, and the other end of drawstring 16 stretches into adjusting set 11, and locating rod 7 is vertically arranged, in the locating rod 7
End is fixed on telescopic rod 6, and 7 lower end of locating rod is stretched into locating slot 8, and compressed spring 5 is horizontally installed on ball clack 4 and adjusting set 11
Between；It is equipped with the axis lower outer bar 9 consistent with 11 axis of adjusting set and lower interior bar 10, lower 9 upper end of outer bar in 1 middle and lower part of valve body
It forming a fixed connection with adjusting set 11,1 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,
Lower 10 upper end of interior bar is equipped with cylinder, which stretches into adjusting set 11, and with the drawstring 16 that stretches into adjusting set
End connects, and lower 9 lower face of outer bar is stretched out in lower 10 lower end of interior bar, is equipped in 10 lower end of lower interior bar and holds block, the drawstring 16
Material is nylon or fibrous material.
A kind of application method of ball valve:
It is as follows to close a kind of application method of ball valve:
A. lower outer bar is rotated, drives adjusting set, telescopic rod, locating rod, compressed spring, drawstring and ball clack together along locating slot
Shape rotates,
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 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 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. lower interior bar is rotated again, and part drawstring is made to be wrapped in the surface of lower interior bar upper end cylinder, pulling of the telescopic rod in drawstring
Under,
It drives locating rod to be detached from straight trough, while ball clack being driven to be detached from runner mouth,
C. lower outer bar is rotated again, and ball clack, compressed spring, drawstring, telescopic rod, locating rod is driven to return to raw bits along locating slot
It sets, at this time 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 (1)
1. a kind of application method of ball valve, a kind of ball valve, including：Valve body, sphere, valve seat, filler, gland, connecting bracket and
Upper valve rod, valve body middle part upper end are equipped with connecting flange and packing groove, and filler is fixedly installed in packing groove, connecting bracket by gland
It is mounted at the connecting flange by standard fasteners, upper valve rod upper end is equipped with the keyway being connect with external driver device, upper valve
Bar lower end is stretched into body cavity across packing groove and is connect with sphere, and sphere is placed in body cavity, and outer surface of spheroid is spherical surface
Structure, sphere is interior to be equipped with the runner that can be communicated with body cavity, and valve seat is made of non-metallic plastic material and is vertically provided at valve
Intracoelomic cavity, valve seat are equipped with the sealing surface of seat that sealing is formed with outer surface of spheroid, and sphere is driven by upper valve rod and erected around the ball valve
To the rotation of 90 degree of axis, to be turned on and off the ball valve, 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, drawstring and adjusting set, and adjusting set is at inverted bucket shape structure, and with this
Line is vertically provided in runner centered on the vertical axis of ball valve, and ball clack one end is equipped with the ball consistent with outer surface of spheroid radius
Shape surface, 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, the telescopic rod other end are fixedly connected with one end of drawstring, and the other end of drawstring stretches into adjusting set, positioning
Bar is vertically arranged, which is fixed on telescopic rod, and locating rod lower end is stretched into locating slot, and compressed spring is laterally arranged
Between ball clack 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, under
Outer bar upper end forms a fixed connection with adjusting set, and valve body lower end portion is stretched out in lower outer bar lower end, and lower interior bar is placed in the inside of lower outer bar,
Lower interior bar upper end is equipped with cylinder, which stretches into adjusting set, and connect with the drawstring end in adjusting set is stretched into,
Lower outer bar lower face is stretched out in lower interior bar lower end, is equipped in the lower interior bar lower end and holds block,
It is characterized in that：
A kind of application method of ball valve:
It is as follows to close a kind of application method of ball valve:
A. lower outer bar is rotated, drives adjusting set, telescopic rod, locating rod, compressed spring, drawstring and ball clack together along locating slot
Shape rotates,
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 ball valve, valve is closed at this time；
It is as follows to open a kind of application method of 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. lower interior bar is rotated again, and part drawstring is made to be wrapped in the surface of lower interior bar upper end cylinder, pulling of the telescopic rod in drawstring
Under,
It drives locating rod to be detached from straight trough, while ball clack being driven to be detached from runner mouth,
C. lower outer bar is rotated again, and ball clack, compressed spring, drawstring, telescopic rod, locating rod is driven to return to raw bits along locating slot
It sets, at this time valve opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810508618.7A CN108547965A (en) | 2018-05-24 | 2018-05-24 | A kind of application method of ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810508618.7A CN108547965A (en) | 2018-05-24 | 2018-05-24 | A kind of application method of ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108547965A true CN108547965A (en) | 2018-09-18 |
Family
ID=63495498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810508618.7A Withdrawn CN108547965A (en) | 2018-05-24 | 2018-05-24 | A kind of application method of ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108547965A (en) |
Citations (6)
| 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 |
| KR20030086952A (en) * | 2003-09-29 | 2003-11-12 | 신관철 | Ball valve |
| 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 CN201810508618.7A patent/CN108547965A/en not_active Withdrawn
Patent Citations (6)
| 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 |
| KR20030086952A (en) * | 2003-09-29 | 2003-11-12 | 신관철 | Ball valve |
| 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 |
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|---|---|---|---|
| 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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180918 |