CN108799539A - A kind of orbit ball valve with spiral valve rod - Google Patents
A kind of orbit ball valve with spiral valve rod Download PDFInfo
- Publication number
- CN108799539A CN108799539A CN201810956593.7A CN201810956593A CN108799539A CN 108799539 A CN108799539 A CN 108799539A CN 201810956593 A CN201810956593 A CN 201810956593A CN 108799539 A CN108799539 A CN 108799539A
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- Prior art keywords
- valve
- valve rod
- sphere
- ball
- spiral
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- Pending
Links
- 230000033001 locomotion Effects 0.000 claims abstract description 14
- 239000000945 filler Substances 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 15
- 239000007937 lozenge Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 238000005299 abrasion Methods 0.000 abstract description 7
- 238000005096 rolling process Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000126 substance Substances 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
- F16K5/0663—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
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
-
- 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
The present invention relates to a kind of orbit ball valves with spiral valve rod, including：Valve body, sphere, valve component, valve deck, bearing ball, valve rod and pneumatic actuator；Sphere is assemblied in valve body, and sphere lower part is divided into cylindrical shape and is placed in bottom cover, is tightly connected with valve component on the right side of sphere；Valve deck is connect by the symmetrical bolt in both sides with valve body；Valve rod one end connects sphere, and the other end passes through holder to connect pneumatic actuator；There are two bearing ball settings, is assemblied on valve deck, and coordinates with valve rod, realizes straight line and the rotary motion of valve rod.This structure reduces the abrasion of guide frame, is effectively prevented from stuck phenomenon, and the good seal at valve seat is also can guarantee in alternating temperature.
Description
Technical field
The present invention relates to a kind of valve technology field more particularly to a kind of orbit ball valves with spiral valve rod.
Background technology
Orbit ball valve is a kind of ball valve with special construction, since it is opened under the very high or very low bad working environments of temperature
Process is closed without friction, and still ensures that the reliability of sealing, therefore in chemical field, is especially switched fast, just in needs
The occasion of warm alternation has been more and more widely used.
The operation principle of existing orbit ball valve is：Valve rod rises under the action of handwheel or descending motion, on valve rod
Guide groove carries out 90 degree of rotary motions with guiding pin contacts after valve rod carries out one section of linear motion.In linear motion, valve
The lozenges of bar lower end pushes sphere to be realized close to valve seat and seals, or is detached from valve seat and opens valve；Then guide groove and leading
To under the action of pin, valve rod drives sphere to make 90 degree of rotations.Opening for valve is realized by the raising and lowering movement of valve rod
It opens and closing process, with valve seat without friction when the rotation of sphere.
The main problem of the prior art is：In rotary course, guide groove is larger to the shearing force of guide pin, cause pin and
There is abrasion deformation in slot, and so as to cause guide pin deformation failure, then the problem of stuck or even fracture occurs in valve rod, reduces
The service life of ball valve.In addition, under alternating temperature operating mode, sealing surface will produce small temperature deformation, so as to cause poorly sealed,
It leaks.
In view of above-mentioned existing defect, the present inventor manufactures practical experience abundant for many years based on such product design is engaged in
And professional knowledge, and coordinate the utilization of scientific principle, actively it is subject to research and innovation, to found a kind of track ball with spiral valve rod
Valve makes it have more practicability.By constantly studying, designing, and after studying sample repeatedly and improving, create finally really
The present invention having practical value.
Invention content
In order to solve the above technical problems, the object of the present invention is to provide a kind of orbit ball valve with spiral valve rod, tie altogether
Structure is rationally, abrasion is small, service life is high, the novel orbital ball valve of good seal performance.
The object of the invention to solve the technical problems is realized using following technical scheme.
A kind of orbit ball valve with spiral valve rod, including：Valve body, sphere, valve component, valve deck, bearing ball, valve rod
And pneumatic actuator；
The sphere is assemblied in valve body, and the sphere lower part is divided into cylindrical shape and is placed in bottom cover, on the right side of the sphere
It is tightly connected with the valve component；
The valve deck is connect by the symmetrical bolt in both sides with the valve body；
Described valve rod one end connects sphere, and the other end passes through holder to connect the pneumatic actuator；
There are two the bearing rolling settings, is assemblied on the valve deck, and coordinates with the valve rod, realizes the straight line of the valve rod
With rotary motion.
Preferably, further include filler, filler pressing sleeve and hold-down grid, the filler setting is described on the valve rod top
Filler pressing sleeve is arranged above the filler, and the hold-down grid is arranged above the filler pressing sleeve.
Preferably, the bearing ball is symmetrical arranged, and has certain fit-up gap between the valve rod.
Preferably, further include pressing device, there are four the pressing device settings, is symmetricly set on the bearing rolling two-by-two
On the outside of pearl, and limit between the valve rod and the valve deck.
Preferably, the valve component includes valve seat outer shroud, valve seat inner ring, spring ring and valve base sealing ring, the spring
Circle is positioned between the valve base sealing ring and the valve seat inner ring.
Preferably, the valve rod stage casing is provided with symmetrical planar structure, and the planar structure is matched with the bearing ball
It closes, the planar structure stage casing is the helicoid of 90 degree of torsions.
Preferably, the valve rod lower end is lozenges, and the lozenges is connect with the planar structure, is placed in the sphere
It is intermediate and stretch into inside spherical cavity.
Preferably, further include rollers on symmetrically arranged two lower rollers and two, the lower roller and the upper roller
Setting in the sphere, and is engaged by clamping with the valve rod lower end, for driving the sphere to rotate when the stem movement,
Complete the opening and closing process of the ball valve.
Using above-mentioned technical proposal, following technique effect can be realized：
1, traditional spiral guide pin is replaced with bearing ball, sliding friction is converted to rolling friction, reduces the abrasion of valve rod,
The service life for extending ball valve compensates for the defect of conventional rails ball valve guide pin and guide groove failure；
2, the planar structure in orbit ball valve valve rod stage casing and the cooperation of helicoid and bearing ball, keep stem movement more steady, together
When also reduce abrasion deformation between valve rod and bearing ball；
3, there are certain fit clearances between bearing ball and valve rod, under the premise of ensureing normal opening-closing process, Neng Goufang
Only there is the stuck situation of valve rod；
4, the sealing at valve component is compensated using spring ring, avoids generating not between sphere and valve component under alternating temperature operating mode
Leakage, ensure that the reliability of sealing caused by evitable tiny deformation.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, below with presently preferred embodiments of the present invention and after coordinating attached drawing to be described in detail such as.
Description of the drawings
Fig. 1 is a kind of orbit ball valve structural schematic diagram with spiral valve rod of the present invention；
Fig. 2 is a kind of valve component schematic diagram of the orbit ball valve with spiral valve rod of the present invention；
Reference numeral：Valve body 1, sphere 2, lower roller 3, upper roller 4, valve component 5, valve seat outer shroud 51, valve seat inner ring 52, spring
Circle 53, valve base sealing ring 54, valve deck 6, bearing ball 7, pressing device 8, valve rod 9, planar structure 91, helicoid 911, lozenges
92, filler 10, filler pressing sleeve 11, hold-down grid 12, filler support 13, pneumatic actuator 14.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
Referring to Fig. 1, the invention discloses a kind of orbit ball valves with spiral valve rod, including：Valve body 1, sphere 2, valve seat
Component 5, valve deck 6, bearing ball 7, valve rod 9 and pneumatic actuator 14；Sphere 2 is assemblied in valve body 1, and 2 lower part of sphere is divided into circle
It cylinder body shape and is placed in bottom cover, 2 right side of sphere is tightly connected with valve component 5；Valve deck 6 passes through the symmetrical bolt in both sides and valve body
1 connection；9 one end of valve rod connects sphere 2, and the other end passes through holder 13 to connect pneumatic actuator 14；Bearing ball 7 is provided with two
It is a, it is assemblied on valve deck 6, and coordinate with valve rod 9, realizes straight line and the rotary motion of valve rod 9.
Traditional spiral guide pin is replaced with bearing ball 7 in the application, sliding friction is converted to rolling friction, is reduced
The abrasion of valve rod 9 extends the service life of ball valve, compensates for the defect of conventional rails ball valve guide pin and guide groove failure.
As a kind of perferred technical scheme, further include filler 10, filler pressing sleeve 11 and hold-down grid 12, the setting of filler 10
On 9 top of valve rod, filler pressing sleeve 11 is arranged above filler 10, and hold-down grid 12 is arranged above filler pressing sleeve 11.
As a kind of perferred technical scheme, bearing ball 7 is symmetrical arranged, and has certain assembly between valve rod 9
Gap.There are certain fit clearances between bearing ball and valve rod can prevent under the premise of ensureing normal opening-closing process
There is the stuck situation of valve rod.
As a kind of perferred technical scheme, further include pressing device 8, there are four the settings of pressing device 8, symmetrically sets two-by-two
It sets in 7 outside of bearing ball, and limits between valve rod 9 and valve deck 6.
As a kind of perferred technical scheme, valve component 5 includes valve seat outer shroud 51, valve seat inner ring 52,53 and of spring ring
Valve base sealing ring 54, spring ring 53 are positioned between valve base sealing ring 54 and valve seat inner ring 52.In the operating mode that temperature change is larger
Under, spring ring 53 is had certain pretightning force by compression, may further ensure that good seal when temperature change is larger.Valve
Sealing at holder assembly 5 is compensated using spring ring 53, and sphere 2 and valve component 5 under alternating temperature operating mode is avoided to generate unavoidably
Tiny deformation caused by leakage, ensure that the reliability of sealing.
As a kind of perferred technical scheme, 9 stage casing of valve rod is provided with symmetrical planar structure 91, planar structure 91 and axis
The cooperation of ball 7 is held, 91 stage casing of planar structure is the helicoid 911 of 90 degree of torsions.The planar structure in 9 stage casing of orbit ball valve valve rod
91 and helicoid 911 and bearing ball 7 coordinate, keep the movement of valve rod 9 more steady, while also reducing valve rod 9 and bearing rolling
Abrasion deformation between pearl 7.
As a kind of perferred technical scheme, 9 lower end of valve rod is lozenges 92, and lozenges 92 is connect with planar structure 91,
It is placed among sphere 2 and stretches into inside spherical cavity.
As a kind of perferred technical scheme, further include symmetrically arranged two lower rollers 3 and two upper rollers 4, lower rolling
Column 3 and upper roller 4 are arranged in sphere 2, and are engaged by clamping with 9 lower end of valve rod, drive sphere 2 to rotate when being moved for valve rod 9,
Complete the opening and closing process of ball valve.
When ball valve is opened, risen with ovable valve stem 9 by pneumatic actuator 14, the lozenges of 9 lower end of valve rod pushes sphere 2 de-
From valve component 5, when bearing ball 7 is contacted with valve rod 9 and is coordinated so that valve rod 9 proceeds by with the helicoid of valve rod 9 911
Rotation rises, and then 9 lower end of valve rod drives sphere 2 to rotate by upper roller 4 and lower roller 3, until sphere 2 rotates 90
Valve opening operation is completed after degree.
When ball valve is closed, declined with ovable valve stem 9 by pneumatic actuator 14, the helicoid 911 of bearing ball 7 and valve rod 9
Cooperation realizes that rotary motion, 9 lower end of valve rod drive sphere 2 to rotate by upper roller 4 and lower roller 3, and sphere 2 is in closing shape
State, the straight line of the continuation of valve rod 9 later decline, and 9 lower end lozenges 92 of valve rod pushes sphere 2 to be close to the guarantee sealing of valve component 5, works as pressure
When tight valve component 5, the spring ring 53 for being in original length originally is compacted have certain pretightning force, the bullet in alternating temperature
The pretightning force that spring coil 53 provides can compensate the seal clearance brought due to the micro-strain of structure, ensure that the reliable of sealing
Property.
The above is only a preferred embodiment of the present invention, it is not intended to restrict the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is several improvement and
Modification, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of orbit ball valve with spiral valve rod, which is characterized in that including：Valve body（1）, sphere（2）, valve component（5）,
Valve deck（6）, bearing ball（7）, valve rod（9）And pneumatic actuator（14）；
The sphere（2）It is assemblied in valve body（1）It is interior, the sphere（2）Lower part is divided into cylindrical shape and is placed in bottom cover, described
Sphere（2）Right side and the valve component（5）It is tightly connected；
The valve deck（6）Pass through the symmetrical bolt in both sides and the valve body（1）Connection；
The valve rod（9）One end connects sphere（2）, the other end is across holder（13）Connect the pneumatic actuator（14）；
The bearing ball（7）There are two settings, is assemblied in the valve deck（6）On, and with the valve rod（9）Institute is realized in cooperation
State valve rod（9）Straight line and rotary motion.
2. the orbit ball valve according to claim 1 with spiral valve rod, which is characterized in that further include filler（10）, fill out
Expect pressing sleeve（11）And hold-down grid（12）, the filler（10）It is arranged in the valve rod（9）Top, the filler pressing sleeve（11）If
It sets in the filler（10）Top, the hold-down grid（12）It is arranged in the filler pressing sleeve（11）Top.
3. the orbit ball valve according to claim 1 with spiral valve rod, which is characterized in that the bearing ball（7）It is right
Claim setting, and with the valve rod（9）Between have certain fit-up gap.
4. the orbit ball valve according to claim 1 with spiral valve rod, which is characterized in that further include pressing device（8）,
The pressing device（8）There are four settings, is symmetricly set on the bearing ball two-by-two（7）Outside, and limit in the valve rod
（9）With the valve deck（6）Between.
5. the orbit ball valve according to claim 1 with spiral valve rod, which is characterized in that the valve component（5）Packet
Include valve seat outer shroud（51）, valve seat inner ring（52）, spring ring（53）With valve base sealing ring（54）, the spring ring（53）It is positioned over institute
State valve base sealing ring（54）With the valve seat inner ring（52）Between.
6. the orbit ball valve according to claim 1 with spiral valve rod, which is characterized in that the valve rod（9）Stage casing is set
It is equipped with symmetrical planar structure（91）, the planar structure（91）With the bearing ball（7）Cooperation, the planar structure（91）
Stage casing is the helicoid of 90 degree of torsions（911）.
7. the orbit ball valve according to claim 6 with spiral valve rod, which is characterized in that the valve rod（9）Lower end is
Lozenges（92）, the lozenges（92）With the planar structure（91）Connection, is placed in the sphere（2）It is intermediate and stretch into spherical cavity
It is internal.
8. the orbit ball valve according to claim 1 with spiral valve rod, which is characterized in that further include symmetrically arranged two
A lower roller（3）With two upper rollers（4）, the lower roller（3）With the upper roller（4）It is arranged in the sphere（2）In, and
With the valve rod（9）Lower end is engaged by clamping, and is used for the valve rod（9）The sphere is driven when movement（2）Rotation, completes the ball
The opening and closing process of valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810956593.7A CN108799539A (en) | 2018-08-21 | 2018-08-21 | A kind of orbit ball valve with spiral valve rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810956593.7A CN108799539A (en) | 2018-08-21 | 2018-08-21 | A kind of orbit ball valve with spiral valve rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108799539A true CN108799539A (en) | 2018-11-13 |
Family
ID=64080710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810956593.7A Pending CN108799539A (en) | 2018-08-21 | 2018-08-21 | A kind of orbit ball valve with spiral valve rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108799539A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780307A (en) * | 2019-01-16 | 2019-05-21 | 圣博莱阀门有限公司 | A kind of pneumatic rail ball valve with buffering hydraulic damping device |
| CN110608297A (en) * | 2019-10-25 | 2019-12-24 | 沪航科技集团有限公司 | Eccentric half ball valve |
| CN116697082A (en) * | 2023-08-07 | 2023-09-05 | 艾坦姆流体控制技术(山东)有限公司 | Pneumatic track ball valve with shock resistance function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261487A (en) * | 2011-05-07 | 2011-11-30 | 浙江万龙机械有限公司 | Valve rod lifting track ball valve |
| CN202708166U (en) * | 2012-07-18 | 2013-01-30 | 上海凯科阀门制造有限公司 | Ball valve |
| CN204493779U (en) * | 2015-02-03 | 2015-07-22 | 浙江太特阀门有限公司 | LNG ultralow temperature fixing ball valve |
| CN205013730U (en) * | 2015-10-08 | 2016-02-03 | 天津百利展发集团有限公司 | Combination disk seat that plate valve is stand wear and tear |
| CN206299889U (en) * | 2016-12-07 | 2017-07-04 | 上海弘盛特种阀门制造股份有限公司 | The distraction-type ball valve of high intensity high sealing performance |
| CN208687002U (en) * | 2018-08-21 | 2019-04-02 | 江苏亿阀股份有限公司 | A kind of orbit ball valve with spiral valve rod |
-
2018
- 2018-08-21 CN CN201810956593.7A patent/CN108799539A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261487A (en) * | 2011-05-07 | 2011-11-30 | 浙江万龙机械有限公司 | Valve rod lifting track ball valve |
| CN202708166U (en) * | 2012-07-18 | 2013-01-30 | 上海凯科阀门制造有限公司 | Ball valve |
| CN204493779U (en) * | 2015-02-03 | 2015-07-22 | 浙江太特阀门有限公司 | LNG ultralow temperature fixing ball valve |
| CN205013730U (en) * | 2015-10-08 | 2016-02-03 | 天津百利展发集团有限公司 | Combination disk seat that plate valve is stand wear and tear |
| CN206299889U (en) * | 2016-12-07 | 2017-07-04 | 上海弘盛特种阀门制造股份有限公司 | The distraction-type ball valve of high intensity high sealing performance |
| CN208687002U (en) * | 2018-08-21 | 2019-04-02 | 江苏亿阀股份有限公司 | A kind of orbit ball valve with spiral valve rod |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780307A (en) * | 2019-01-16 | 2019-05-21 | 圣博莱阀门有限公司 | A kind of pneumatic rail ball valve with buffering hydraulic damping device |
| CN110608297A (en) * | 2019-10-25 | 2019-12-24 | 沪航科技集团有限公司 | Eccentric half ball valve |
| CN110608297B (en) * | 2019-10-25 | 2024-04-16 | 沪航科技集团有限公司 | Eccentric hemisphere valve |
| CN116697082A (en) * | 2023-08-07 | 2023-09-05 | 艾坦姆流体控制技术(山东)有限公司 | Pneumatic track ball valve with shock resistance function |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181113 |