CN203963238U - A kind of bindiny mechanism of pneumatic control valve door - Google Patents
A kind of bindiny mechanism of pneumatic control valve door Download PDFInfo
- Publication number
- CN203963238U CN203963238U CN201420378789.XU CN201420378789U CN203963238U CN 203963238 U CN203963238 U CN 203963238U CN 201420378789 U CN201420378789 U CN 201420378789U CN 203963238 U CN203963238 U CN 203963238U
- Authority
- CN
- China
- Prior art keywords
- draw
- groove
- connecting sleeve
- diameter
- pullover
- 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.)
- Expired - Lifetime
Links
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Multiple-Way Valves (AREA)
Abstract
The utility model relates to a kind of bindiny mechanism of pneumatic control valve door, comprise lower connecting block and connecting sleeve, described upper lower connecting block top is provided with Pneumatic actuator locking slot, described Pneumatic actuator locking slot is cylindrical structural, its inside is provided with the first internal thread, described upper lower connecting block below is provided with connecting sleeve draw-in groove, described connecting sleeve draw-in groove comprises columniform the first draw-in groove and cylindrical the second draw-in groove, described the first draw-in groove and the second draw-in groove are integral type structure, make the T-shaped structure of sectional shape of connecting sleeve draw-in groove entirety, described connecting sleeve is arranged in described connecting sleeve draw-in groove, to between valve rod and upper lower connecting block, change into and being flexibly connected, make valve rod possess self-regulation centering function, not only reduce valve manufacturing difficulty, and be significantly improved the working life of valve.
Description
Technical field
The utility model relates to a kind of bindiny mechanism, is specifically related to a kind of bindiny mechanism of pneumatic control valve door.
Background technique
Pneumatic control valve door is made up of Pneumatic actuator and two parts of valve body, is one of valve indispensable in pipe-line system.Particularly, under the operating mode of some High Pressure Difference, this valve manufacturing required precision is huge on the impact of valve usability.
Because Pneumatic actuator is outsourcing product, conventional Placement is that valve rod is connected by upper lower connecting block with Pneumatic actuator projecting shaft, Placement is for being threaded, this kind of Placement valve rod is all around without self-regulation surplus, cause with Pneumatic actuator projecting shaft coaxality require high, be unfavorable for production and the assembling of valve.During by existing conventional Placement and valve body assembling, inevitably there will be coaxality to have a little deviation, under High Pressure Difference operating mode, long-term use very likely causes even stretch bending of valve rod plucking, has a strong impact on valve regulated performance.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of bindiny mechanism of pneumatic control valve door, to between valve rod and upper lower connecting block, change into and being flexibly connected, make valve rod possess self-regulation centering function, not only reduced valve manufacturing difficulty, and be significantly improved the working life of valve.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of bindiny mechanism of pneumatic control valve door, comprise lower connecting block and connecting sleeve, described upper lower connecting block top is provided with Pneumatic actuator locking slot, described Pneumatic actuator locking slot is cylindrical structural, its inside is provided with the first internal thread, described upper lower connecting block below is provided with connecting sleeve draw-in groove, described connecting sleeve draw-in groove comprises columniform the first draw-in groove and cylindrical the second draw-in groove, described the first draw-in groove and the second draw-in groove are integral type structure, the first draw-in groove is positioned at the top of the second draw-in groove, the diameter d 2 of diameter d 1 > second draw-in groove of the first draw-in groove, make the T-shaped structure of sectional shape of connecting sleeve draw-in groove entirety, described connecting sleeve comprises columniform pullover and columniform loop bar, described pullover and loop bar is integral type structure, the pullover top that is positioned at loop bar, the diameter d 4 of described pullover diameter d 3 > loop bars, make the T-shaped structure of connecting sleeve global sections shape, in described loop bar, be provided with valve rod locking slot, in described valve rod locking slot, be provided with the second internal thread, the diameter d 2 of diameter d 4 < second draw-in grooves of described loop bar, described pullover top is provided with the outstanding structure of sphere, the diameter d 1 of described pullover diameter d 3 < the first draw-in grooves, the height h2 of pullover height h1 < the first draw-in groove, described connecting sleeve is arranged in described connecting sleeve draw-in groove.
The utility model is installed while connection, the outside thread being provided with by Pneumatic actuator projecting shaft outer surface and the first internal thread of Pneumatic actuator locking slot cooperatively interact, Pneumatic actuator is fixed on upper lower connecting block, the second internal thread of the outside thread that stem exterior surface is provided with and connecting sleeve cooperatively interacts, and by locking nut make valve rod be connected with connecting sleeve locked, Pneumatic actuator can be connected with valve and be combined into pneumatic control valve door, T-shaped connecting sleeve coordinates installation with T-shaped connecting sleeve draw-in groove in upper lower connecting block, the diameter d 2 of diameter d 4 < second draw-in grooves of loop bar, the diameter d 1 of pullover diameter d 3 < the first draw-in grooves, the height h2 of pullover height h1 < the first draw-in groove, what this setting made connecting sleeve draw-in groove has certain interval up and down, valve rod can carry out free adjustment, simultaneously, T-shaped connecting sleeve end face sphere design, energy self-alignment when valve rod is worked up and down, greatly having reduced valve answers valve rod coaxality problem to occur the possibility of various faults, usability and the working life of valve are improved.
Brief description of the drawings
Fig. 1 is sectional view of the present utility model
Fig. 2 is the sectional view of lower connecting block on the utility model
Fig. 3 is the sectional view of the utility model connecting sleeve
Embodiment
A kind of bindiny mechanism of pneumatic control valve door as shown in the figure, comprise lower connecting block 1 and connecting sleeve 2, described upper lower connecting block 1 top is provided with Pneumatic actuator locking slot 3, described Pneumatic actuator locking slot 3 is cylindrical structural, its inside is provided with the first internal thread 4, described upper lower connecting block 1 below is provided with connecting sleeve draw-in groove 5, described connecting sleeve draw-in groove 5 comprises columniform the first draw-in groove 6 and cylindrical the second draw-in groove 7, described the first draw-in groove 6 and the second draw-in groove 7 are integral type structure, the first draw-in groove 6 is positioned at the top of the second draw-in groove 7, the diameter d 2 of diameter d 1 > second draw-in groove 7 of the first draw-in groove 6, make the T-shaped structure of sectional shape of connecting sleeve draw-in groove 5 entirety, described connecting sleeve 2 comprises columniform pullover 8 and columniform loop bar 9, described pullover 8 and loop bar 9 be integral type structure, pullover 8 are positioned at the top of loop bar 9, the diameter d 4 of described pullover 8 diameter d 3 > loop bars 9, make the T-shaped structure of connecting sleeve 2 global sections shape, in described loop bar 9, be provided with valve rod locking slot 10, in described valve rod locking slot 10, be provided with the second internal thread 11, the diameter d 2 of diameter d 4 < second draw-in grooves 7 of described loop bar 9, described pullover 8 tops are provided with the outstanding structure 12 of sphere, the diameter d 1 of described pullover 8 diameter d 3 < the first draw-in grooves 6, the height h2 of height h1 < the first draw-in groove 6 of pullover 8, described connecting sleeve 2 is arranged in described connecting sleeve draw-in groove 5.
The utility model is installed while connection, the outside thread being provided with by Pneumatic actuator 13 projecting shaft 14 outer surfaces and the first internal thread 4 of Pneumatic actuator locking slot cooperatively interact, Pneumatic actuator 13 is fixed on upper lower connecting block 1, the second internal thread 11 of the outside thread that valve rod 15 outer surfaces are provided with and connecting sleeve 2 cooperatively interacts, and make valve rod 15 and be connected locked with connecting sleeve 2 by locking nut 16, Pneumatic actuator 13 can be connected and be combined into pneumatic control valve door with valve rod 15, T-shaped connecting sleeve coordinates installation with T-shaped connecting sleeve draw-in groove in upper lower connecting block, the diameter d 2 of diameter d 4 < second draw-in grooves of loop bar, the diameter d 1 of pullover diameter d 3 < the first draw-in grooves, the height h2 of pullover height h1 < the first draw-in groove, what this setting made connecting sleeve draw-in groove has certain interval up and down, valve rod can carry out free adjustment, simultaneously, T-shaped connecting sleeve end face sphere design, energy self-alignment when valve rod is worked up and down, greatly having reduced valve answers valve rod coaxality problem to occur the possibility of various faults, usability and the working life of valve are improved.
Here description of the present utility model and application is illustrative; not want scope of the present utility model to limit in the above-described embodiments; therefore, the utility model is not subject to the restriction of the present embodiment, and the technological scheme that any employing equivalence replacement obtains is all in the scope of protection of the invention.
Claims (1)
1. the bindiny mechanism of a pneumatic control valve door, it is characterized by, comprise lower connecting block and connecting sleeve, described upper lower connecting block top is provided with Pneumatic actuator locking slot, described Pneumatic actuator locking slot is cylindrical structural, its inside is provided with the first internal thread, described upper lower connecting block below is provided with connecting sleeve draw-in groove, described connecting sleeve draw-in groove comprises columniform the first draw-in groove and cylindrical the second draw-in groove, described the first draw-in groove and the second draw-in groove are integral type structure, the first draw-in groove is positioned at the top of the second draw-in groove, the diameter d 2 of diameter d 1 > second draw-in groove of the first draw-in groove, make the T-shaped structure of sectional shape of connecting sleeve draw-in groove entirety, described connecting sleeve comprises columniform pullover and columniform loop bar, described pullover and loop bar is integral type structure, the pullover top that is positioned at loop bar, the diameter d 4 of described pullover diameter d 3 > loop bars, make the T-shaped structure of connecting sleeve global sections shape, in described loop bar, be provided with valve rod locking slot, in described valve rod locking slot, be provided with the second internal thread, the diameter d 2 of diameter d 4 < second draw-in grooves of described loop bar, described pullover top is provided with the outstanding structure of sphere, the diameter d 1 of described pullover diameter d 3 < the first draw-in grooves, the height h2 of pullover height h1 < the first draw-in groove, described connecting sleeve is arranged in described connecting sleeve draw-in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420378789.XU CN203963238U (en) | 2014-07-09 | 2014-07-09 | A kind of bindiny mechanism of pneumatic control valve door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420378789.XU CN203963238U (en) | 2014-07-09 | 2014-07-09 | A kind of bindiny mechanism of pneumatic control valve door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203963238U true CN203963238U (en) | 2014-11-26 |
Family
ID=51923820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420378789.XU Expired - Lifetime CN203963238U (en) | 2014-07-09 | 2014-07-09 | A kind of bindiny mechanism of pneumatic control valve door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203963238U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989871A (en) * | 2015-05-16 | 2015-10-21 | 大唐长春第三热电厂 | Anti-releasing regulating valve clamping block |
-
2014
- 2014-07-09 CN CN201420378789.XU patent/CN203963238U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989871A (en) * | 2015-05-16 | 2015-10-21 | 大唐长春第三热电厂 | Anti-releasing regulating valve clamping block |
| CN104989871B (en) * | 2015-05-16 | 2018-05-15 | 大唐长春第三热电厂 | Anti-tripping control valve fixture block |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203527143U (en) | Annular universal cooling nozzle of numerical control machine tool | |
| CN203963238U (en) | A kind of bindiny mechanism of pneumatic control valve door | |
| CN104455798A (en) | Multistage expansion pressure oil pipe | |
| CN204647452U (en) | A kind of nuclear power pressure adjustment type safety check | |
| CN206539489U (en) | A kind of pressure regulating device of plunger of sprayer pump | |
| CN105605272B (en) | A kind of pipe joint | |
| CN205136653U (en) | High frequency fast switch ball valve | |
| CN203189775U (en) | Top-loading fixed ball valve | |
| CN203421244U (en) | Direct-acting pressure reduction valve | |
| CN203272864U (en) | Reversing valve element | |
| CN203614793U (en) | Ball valve | |
| CN206738351U (en) | A kind of floating screw | |
| CN202708138U (en) | Stop valve | |
| CN204083482U (en) | Reciprocating spool retaining sealing configuration | |
| CN203796972U (en) | Novel cage type single-base regulating valve | |
| CN204253941U (en) | Twin-lock valve closing | |
| CN203822735U (en) | Proportional reversing valve core assembly | |
| CN208457252U (en) | A kind of sealing structure of ball valve | |
| CN204095114U (en) | The cam disc Qu Pi mechanism of rotary bottle blowing machine | |
| CN203817659U (en) | Fastening mechanism with welding strip reel capable of being switched fast | |
| CN203542184U (en) | Inner supporting ring for controlling ovality of barrel | |
| CN203963034U (en) | Be convenient to the bellows single-seat adjusting valve of maintenance | |
| CN202402784U (en) | Angle type controller with damping function | |
| CN203627891U (en) | Adjustable automatic-compensating fixed ball valve | |
| CN203162139U (en) | High-pressure sealing plug |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141126 |