CN201273380Y - Four-way reversing double-seal stop cock - Google Patents
Four-way reversing double-seal stop cock Download PDFInfo
- Publication number
- CN201273380Y CN201273380Y CNU2008201639012U CN200820163901U CN201273380Y CN 201273380 Y CN201273380 Y CN 201273380Y CN U2008201639012 U CNU2008201639012 U CN U2008201639012U CN 200820163901 U CN200820163901 U CN 200820163901U CN 201273380 Y CN201273380 Y CN 201273380Y
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- CN
- China
- Prior art keywords
- guide sleeve
- guide roller
- sleeve
- guide
- flap
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model relates to a four-way reversing double-seal plug valve, comprising a four-way valve body, and is characterized in that a sealing cock is mounted in the valve body and is combined by a valve core and a flap to form a cylindrical shape, two sides of a valve core sprue through-hole are connected with the flap through a dovetail groove structure, a transmission mechanism comprises a transmission bar, a guide bushing, a middle transmission sleeve, a lower transmission sleeve, an upper guide roller and a lower guide roller, the guide bushing is composed of two portions like an upper guide bushing and a lower guide bushing, a guide slot arranged at the wall of the internal circle in the upper guide bushing is mutually engaged with the upper guide roller, the guide slot arranged at the wall of the internal circle in the lower guide bushing is mutually engaged with the lower guide roller, the positions of the two guide slots can be adjusted for avoiding the operating jammed phenomena caused by machinery processing errors and engagement errors, the four-way reversing double-seal plug valve has the advantages of stable operation, good sealing performance and accurate measuring and the like, and is applicable to petroleum platform pipeline reversing devices.
Description
Technical field
The utility model belongs to valve, particularly about a kind of four-way commutation double-sealing stopcock.The utility model is applicable to oil platform pipeline reversing arrangement.
Background technique
The detection metering that crude oil pipeline and product oil are carried, normally adopt the two-way volume tube of flow detection metrology and standard, measure metering and switch about two-way volume tube needs, realize MEDIA FLOW to switching with many deck valves door usually at present, its floor space is big, cost is high, troublesome poeration.Notification number is a kind of four-way change type double-sealing stopcock of CN2687453 for this reason, it is provided with a four-way valve body, and the sealing cock is housed in the valve body, and the sealing cock is formed cylindrical shape by spool and flap, the spool middle part is provided with the runner through hole, and the both sides of spool runner through hole are connected with the sealing flap.Transmission shaft joins by internal axle sleeve, external axle sleeve and valve rod, pass through interior backing pin, outer backing pin, interior ball stud, the common interoperation of outer ball stud between the inwall of transmission shaft, internal axle sleeve, external axle sleeve and rack ventilating hole, realize the lifting-rotation-decline of spool, on the external axle sleeve outer wall, also be provided with " ∪ " shape restraining groove, be fixed with the position-limited shaft that cooperates with " ∪ " shape restraining groove on the cradle wall, can accurately control the running and the shutoff of spool by " ∪ " shape restraining groove, it is easy to operate, floor space is little, cost is low.Internal axle sleeve cooperatively interacts by the made guiding groove epimere of interior ball stud and rack ventilating hole inwall, external axle sleeve cooperatively interacts by the made guiding groove hypomere of outer ball stud and rack ventilating hole inwall, realize switching motion, the guiding groove of rack ventilating hole inwall plays the leading role to internal axle sleeve, external axle sleeve action.Its major defect is that the position of the guiding groove two sections of rack ventilating hole inwall is fixed, and be same straight trough, and cooperate in different action phase between the guiding groove of internal axle sleeve and interior ball stud thereof, external axle sleeve and outer ball stud thereof and rack ventilating hole inwall, because internal axle sleeve, external axle sleeve and other transmission paries all exist machining error and mismatch error, both can not reach with the guiding groove of rack ventilating hole inwall and accurately cooperate to cause internal axle sleeve, external axle sleeve, cause phenomenons such as operation jam, fluctuation of service, seal leakage, error in dipping.
Summary of the invention
The purpose of this utility model is the problem that exists at prior art, and the four-way commutation double-sealing stopcock of a kind of good seal, stable, accurate measurement is provided.
Technological scheme of the present utility model comprises a four-way valve body, the sealing cock is housed in the valve body, on the valve rod of sealing cock driving mechanism is housed, the sealing cock is formed cylindrical shape by spool and flap, the spool middle part is provided with the runner through hole, the both sides of spool runner through hole are connected with flap by oat tail groove structure, driving mechanism is by drive link, guide sleeve, middle drive sleeve, the underdrive cover, last guide roller, following guide roller is formed, be installed in the support, be shaped on ∪ type restraining groove in underdrive cover outer wall surface, be shaped on the position limit pin that matches with it on the support in the ∪ type restraining groove outside, the guide sleeve inner round wall is shaped on and last guide roller, the guiding groove that following guide roller cooperatively interacts, be installed in support and middle drive sleeve, between the underdrive cover, mainly be that guide sleeve is made up of last guide sleeve and following guide sleeve two-part, the guiding groove of last guide sleeve inner round wall and last guide roller cooperatively interact, and the guiding groove of following guide sleeve inner round wall cooperatively interacts with following guide roller.
In above technological scheme, support is made up of upper bracket and lower support frame two-part, installs guide sleeve in the upper bracket, and guide sleeve down is installed in the lower support frame.
The utility model beneficial effect compared with prior art is: guide sleeve is made up of last guide sleeve and following guide sleeve two-part, the position of both guiding grooves can be adjusted, make the guiding groove of guide sleeve, down the guiding groove of guide sleeve adjust to respectively with middle drive sleeve in last guide roller and the underdrive cover in down guide roller accurately cooperate, avoid machining error and mismatch error to cause operation jam phenomenon, it is stable, good seal performance, accurate measurement.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the utility model original state runner schematic representation.
Fig. 3 is the runner schematic representation after the utility model commutation.
Embodiment
Four-way commutation double-sealing stopcock as shown in Figure 1, comprise valve body 5, valve body 5 is the four-way structure, inner chamber is equipped with the sealing cock, be connected with driving mechanism on the valve rod 12 of sealing cock, the sealing cock is formed cylindrical shape by spool 7 and flap 8, spool 7 middle parts are provided with the runner through hole, the both sides of spool 7 runner through holes are connected with flap 8 by oat tail groove structure, driving mechanism is made up of drive link 21, guide sleeve, middle drive sleeve 23, underdrive cover 25, last guide roller 16, following guide roller 24, is installed in the support.Overlap 25 outer wall surface in underdrive and be shaped on ∪ type restraining groove, be shaped on the position limit pin that matches with it on the support in the ∪ type restraining groove outside.Guide sleeve is made up of with following guide sleeve 15 two-part last guide sleeve 20, last guide sleeve 20 inner round wall are shaped on along the guiding groove of valve rod 12 axial directions, this guiding groove and last guide roller 16 cooperatively interact, and following guide sleeve 15 inner round wall are shaped on along the guiding groove of valve rod 12 axial directions and cooperatively interact with following guide roller 24.Support is made up of upper bracket 22 and lower support frame 13 two-part.Last guide sleeve 20 is installed between upper bracket 22 and the middle drive sleeve 23, and following guide sleeve 15 is installed between lower support frame 13 and the underdrive cover 25.For right-handed thread is connected, for left-handed thread is connected, underdrive is overlapped between 25 upper-end surface and the middle drive sleeve 23 and is shaped on the convex shoulder that cooperatively interacts on the circumferencial direction between drive link 21 and the middle drive sleeve 23 between underdrive cover 25 and the middle drive sleeve 23.In drive sleeve 23 cinclides, following guide roller 24 placed underdrive to overlap in 25 cinclides in the middle of last guide roller 16 placed, and drive link 21 outer walls are shaped on the groove that cooperates with last guide roller 16, and middle drive sleeve 23 outer walls are shaped on the groove that cooperates with following guide roller 24.In original state as shown in Figure 2, last guide roller 16 is inlaid between middle drive sleeve 23 cinclides and drive link 21 grooves, both can not be rotated relatively, overlap in the guiding groove of 25 cinclides and following guide sleeve 15 and descend guide roller 24 to be inlaid in underdrive, this moment, drive unit 19 turned clockwise, drive sleeve 23 rotations in the middle of drive link 21 drives, underdrive cover 25 is being raised under guide roller 24 and following guide sleeve 15 guiding grooves and ∪ type restraining groove and the position limit pin leading role down.When drive sleeve 25 convex shoulder that rises to the convex shoulder that makes its upper-end surface and middle drive sleeve 23 is meshing with each other instantly, following guide roller 24 is from ejecting in the groove that enters middle drive sleeve 23 outer walls in guide sleeve 15 guiding grooves down, position limit pin is in ∪ type restraining groove bottom, underdrive cover 25 is rotated 90 °, and flap 8 is switched to position as shown in Figure 3.Continue rotation drive link 21, last guide roller 16 ejects in the groove of drive link 21 and enters in the guiding groove of guide sleeve 20, drive sleeve 23 can not be rotated relatively with last guide sleeve 20 in the middle of making, drive link 21 can rotate relatively with middle drive sleeve 23, drive sleeve 23, underdrive cover 25 move down in the middle of making, and strut flap 8 and contact with valve body 5 sealings.When drive unit 19 counterclockwise continuously during rotation, flap 8 will be got back to original state shown in Figure 2 from position as shown in Figure 3.Guide sleeve adopts goes up guide sleeve 20 and following guide sleeve 15 two-part composition, can go up guide sleeve 20, the following position of guide sleeve 15 in support by adjusting respectively, eliminate other parts machining and cooperate the error that produces, make between guide sleeve 20 and the last guide roller 16, reach accurate the cooperation respectively between time guide sleeve 15 and the following guide roller 24.Support adopts upper bracket 22 and lower support frame 13 two-part to form, and is convenient to the position adjustment of guide sleeve 20 and following guide sleeve 15.Drive unit 19 is provided with position indicating arm 18 and position indicator 17, and valve rod 12 is fixedly connected on the underdrive cover 25 by pin 14, and loam cake 27 is provided with lumen pressure relief opening 26, is provided with O shape circle 9 and fire-resistant packing ring 10 between loam cake 27 and the valve body 5.Lower cover 1 is fixed on the valve body 5 by bolt 2, nut 3, and lower cover 1 is provided with blowdown valve 4, is provided with bearing 6 between the rotating shaft of lower cover 1 and spool 7.Lower support frame 13 is provided with stem packing inlet 11.
Claims (2)
1, a kind of four-way commutation double-sealing stopcock, the valve body (5) that comprises a four-way, valve body is equipped with the sealing cock in (5), on the valve rod (12) of sealing cock driving mechanism is housed, the sealing cock is formed cylindrical shape by spool (7) and flap (8), spool (7) middle part is provided with the runner through hole, the both sides of spool (7) runner through hole are connected with flap (8) by oat tail groove structure, driving mechanism is by drive link (21), guide sleeve, middle drive sleeve (23), underdrive cover (25), last guide roller (16), following guide roller (24) is formed, be installed in the support, be shaped on the type restraining groove in underdrive cover (25) outer wall surface, be shaped on the position limit pin that matches with it on the support in the type restraining groove outside, the guide sleeve inner round wall is shaped on and last guide roller (16), the guiding groove that following guide roller (24) cooperatively interacts, be installed in support and middle drive sleeve (23), between the underdrive cover (25), it is characterized in that guide sleeve is made up of last guide sleeve (20) and following guide sleeve (15) two-part, the guiding groove and the last guide roller (16) of last guide sleeve (20) inner round wall cooperatively interact, and the guiding groove of following guide sleeve (15) inner round wall cooperatively interacts with following guide roller (24).
2, four-way according to claim 1 commutation double-sealing stopcock is characterized in that support is made up of upper bracket (22) and lower support frame (13) two-part, installs guide sleeve (20) in the upper bracket (22), and guide sleeve (15) is descended in installation in the lower support frame (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201639012U CN201273380Y (en) | 2008-09-11 | 2008-09-11 | Four-way reversing double-seal stop cock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201639012U CN201273380Y (en) | 2008-09-11 | 2008-09-11 | Four-way reversing double-seal stop cock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201273380Y true CN201273380Y (en) | 2009-07-15 |
Family
ID=40883727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201639012U Expired - Fee Related CN201273380Y (en) | 2008-09-11 | 2008-09-11 | Four-way reversing double-seal stop cock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201273380Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102418796A (en) * | 2011-08-16 | 2012-04-18 | 湖南精正设备制造有限公司 | High-pressure plunger type pneumatic valve |
| CN103742712A (en) * | 2013-11-29 | 2014-04-23 | 成都欧浦特控制阀门有限公司 | Separating type support for control valve |
| CN103742711A (en) * | 2013-11-29 | 2014-04-23 | 成都欧浦特控制阀门有限公司 | Height-adjusting separating type support for control valve |
| CN105065702A (en) * | 2015-07-16 | 2015-11-18 | 浙江福瑞科流控机械有限公司 | Lifting plug valve and control method thereof |
| CN106151642A (en) * | 2015-03-24 | 2016-11-23 | 浙江盾安人工环境股份有限公司 | Plug valve |
| CN108240484A (en) * | 2018-01-12 | 2018-07-03 | 江苏远洋阀门智控股份有限公司 | A kind of double-seal rail valve |
| CN112410088A (en) * | 2020-11-18 | 2021-02-26 | 四川华蓥山广能集团瓦斯发电有限责任公司 | Gas-liquid separation device for coal mine gas power generation |
-
2008
- 2008-09-11 CN CNU2008201639012U patent/CN201273380Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102418796A (en) * | 2011-08-16 | 2012-04-18 | 湖南精正设备制造有限公司 | High-pressure plunger type pneumatic valve |
| CN102418796B (en) * | 2011-08-16 | 2013-08-14 | 湖南精正设备制造有限公司 | High-pressure plunger type pneumatic valve |
| CN103742712A (en) * | 2013-11-29 | 2014-04-23 | 成都欧浦特控制阀门有限公司 | Separating type support for control valve |
| CN103742711A (en) * | 2013-11-29 | 2014-04-23 | 成都欧浦特控制阀门有限公司 | Height-adjusting separating type support for control valve |
| CN106151642A (en) * | 2015-03-24 | 2016-11-23 | 浙江盾安人工环境股份有限公司 | Plug valve |
| CN106151642B (en) * | 2015-03-24 | 2020-04-28 | 浙江盾安人工环境股份有限公司 | Plug valve |
| CN105065702A (en) * | 2015-07-16 | 2015-11-18 | 浙江福瑞科流控机械有限公司 | Lifting plug valve and control method thereof |
| CN108240484A (en) * | 2018-01-12 | 2018-07-03 | 江苏远洋阀门智控股份有限公司 | A kind of double-seal rail valve |
| CN112410088A (en) * | 2020-11-18 | 2021-02-26 | 四川华蓥山广能集团瓦斯发电有限责任公司 | Gas-liquid separation device for coal mine gas power generation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090715 Termination date: 20140911 |
|
| EXPY | Termination of patent right or utility model |