CN211779109U - Eccentric rotating structure for pneumatic eccentric rotary adjusting valve - Google Patents
Eccentric rotating structure for pneumatic eccentric rotary adjusting valve Download PDFInfo
- Publication number
- CN211779109U CN211779109U CN202020454809.2U CN202020454809U CN211779109U CN 211779109 U CN211779109 U CN 211779109U CN 202020454809 U CN202020454809 U CN 202020454809U CN 211779109 U CN211779109 U CN 211779109U
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- valve rod
- valve
- connection
- annular frame
- bolt
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- 238000007789 sealing Methods 0.000 claims abstract description 23
- 238000005096 rolling process Methods 0.000 claims abstract description 17
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses a pneumatic eccentric rotary regulating valve is with eccentric rotating-structure relates to eccentric rotary regulating valve technical field. The utility model discloses a first casing, there is the second casing at the inboard middle part of first casing through siphunculus through connection, there is the slider at the inside upper and lower extreme middle part of first casing through slide rail sliding connection, and the inboard middle part of slider is connected with branch, one side middle part through connection branch is connected with the cylinder in the first casing, middle part fixedly connected with primary shaft in the second casing, and the middle part rotates in the primary shaft and is connected with the valve rod, the positive surface middle part threaded connection of valve rod has a piece, valve rod outside lower extreme is connected with seal ring through the annular frame, and connect through the rolling diaphragm between the valve rod, the valve rod extends into middle part in the below disk seat, and valve rod front. The utility model discloses a set up slider, slide rail, sealed lid, annular frame and seal ring structure, have the advantage that improves its sealing performance, convenient maintenance.
Description
Technical Field
The utility model belongs to the technical field of eccentric rotary adjusting valve, especially, relate to a pneumatic eccentric rotary adjusting valve is with eccentric rotating-structure.
Background
The eccentric rotary regulating valve is called a cam deflection valve, is a regulating valve with novel structure, can reduce the abrasion of a valve seat and increase the sealing performance due to the eccentric cam of a valve core, is provided with a guide wing at the rear part of the valve core, is beneficial to the stable flow of fluid, has excellent stability, has the advantages of large flow and wide adjustable range, is suitable for being tangent to solid-containing materials and viscous media such as friction resistance, scouring resistance and the like, and utilizes an eccentric spherical crown to be tangent to the valve seat, and when the valve is opened, the spherical core is separated from the valve seat; when the valve is closed, the ball core gradually contacts the valve seat to enable the ball to generate pressing force on the valve seat, the spherical surface presses the valve seat to easily damage crystallization and crusting objects, and the valve is suitable for crystallization, crusting and unclean medium occasions.
Disclosure of Invention
An object of the utility model is to provide a pneumatic eccentric rotary regulating valve is with eccentric rotating-structure, through setting up annular frame, seal ring, slide rail, slider and sealed lid, solved current eccentric rotating-structure sealing performance not good, and be difficult for overhauing the problem of changing the operation to its inside damage structure.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to an eccentric rotating structure for pneumatic eccentric rotary adjusting valve, which comprises a first shell, wherein the middle part of the outer end of the first shell is in threaded connection with a sealing cover, the middle part of the inner side of the first shell is in through connection with a second shell through a through pipe, the middle part of the outer side of the sealing cover is in through connection with an air pipe, the outer side of the air pipe is in threaded connection with a threaded cover, the middle part of the upper end and the lower end of the inner part of the first shell is in sliding connection with a slide block through a slide rail, the middle part of the inner side of the slide block is connected with a support rod, the middle part of one side of the inner part of the first shell is in through connection with an air cylinder, the middle part of the inner part of the second shell is fixedly connected with a first bearing, the middle part of the inner part of, the valve rod extends into the middle of the lower valve seat, and the front end of the valve rod is fixedly connected with a ball core.
Further, the upper end of the valve rod is fixedly connected with an end cover, the end cover and the valve rod and the rolling diaphragm are connected through a second fastening bolt and a first fastening bolt in a threaded mode, the second fastening bolt and the first fastening bolt are arranged in the middle of the upper end of the end cover and in the middle of the two sides of the rolling diaphragm respectively, the upper end of the valve rod is protected by the arranged end cover, and the end cover and the valve rod are fixedly connected in a structure mode between the rolling diaphragm and the rolling diaphragm through the arranged first fastening bolt and the arranged second fastening bolt.
Further, the lower end of the valve rod is rotatably connected with the middle part of the upper end of a first bearing connected with the central position of the inner bottom end of the valve seat, the valve rod extends into the middle part of a valve cavity arranged at the central position in the valve seat, the outer sides of the front end and the rear end of the valve seat are in threaded connection with flange plates, the rotating valve rod 29 is structurally supported by the arranged first bearing 18, and the arranged valve cavity 25 is used for fluid circulation operation.
Further, second casing, annular frame are respectively through first spacing bolt, the spacing bolt of second and siphunculus, valve rod threaded connection, and first spacing bolt screw thread sets up in siphunculus inboard upper and lower extreme middle part, and the spacing bolt screw thread of second sets up in annular frame front and back end middle part both sides, is used for between second casing and the siphunculus by the first spacing bolt, the spacing bolt of second that set up, and the connection of structure is fixed between annular frame and the valve rod.
Furthermore, the second bearing and the support block are respectively in threaded connection with the second shell and the valve rod through a first positioning bolt and a second positioning bolt, the first positioning bolt is arranged in the middle of the upper end and the lower end of the two sides of the second bearing in a threaded mode, the second positioning bolt is arranged in the middle of the upper end and the lower end of the front surface of the support block in a threaded mode, the first positioning bolt and the second positioning bolt are arranged between the second bearing and the second shell, and the support block and the valve rod are fixedly connected in a structure.
Furthermore, the sealing washer is fixedly connected with the middle part of the inner side of the annular frame through a stud and screw threads, the screw threads are arranged in the middle part of the inner side of the annular frame at equal intervals, and the stud is connected with the middle part in the screw threads and is connected with the screw threads of the structure between the stud and the screw threads through the screw threads.
The utility model discloses following beneficial effect has:
1. the utility model discloses a set up annular frame and seal ring, the effect that improves this eccentric rotating-structure sealing performance has, it is not good to have solved eccentric rotating-structure sealing performance, easily cause the problem that the fluid was revealed, be connected with seal ring through the annular frame in the valve rod lower extreme outside, and the annular frame runs through the inside wall contact of disk seat upper end middle part department with the valve rod and is connected, a to the disk seat, valve rod through connection carries out preliminary sealing operation, and be used for carrying out the improvement of structural smoothness nature and stability to seal ring by the annular frame that sets up, help further improving its sealing performance, effectively avoid the fluid to take place to leak the phenomenon, use cost is saved, and convenient use.
2. The utility model discloses a set up the slider, slide rail and sealed lid, the effect of maintenance change when having the structure damage of being convenient for to this rotating-structure, the problem of being difficult for overhauing the change operation to its internal damage structure is solved, a slide rail inboard that lower extreme middle part set up on being used for promoting pivoted cylinder to the valve rod through slider sliding connection in first casing is inside, when the cylinder takes place to damage, anticlockwise power is applyed to the screw thread lid, a separation operation with structure between the first casing is carried out to the screw thread lid, and exert the effect of outside power to the cylinder, drive the cylinder by the slider and carry out outside slip operation in the slide rail inboard, a structure maintenance operation is carried out to damaging the cylinder, and is convenient to use.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the interior of the present invention in elevation;
FIG. 2 is an enlarged schematic view of the present invention at A in FIG. 1;
FIG. 3 is a schematic side view of the interior of the valve chamber of the present invention;
fig. 4 is a schematic bottom view of the inner side of the ring frame of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a sealing cover; 2. a strut; 3. pipe passing; 4. a cylinder; 5. a first fastening bolt; 6. a second fastening bolt; 7. an end cap; 8. a first limit bolt; 9. a slider; 10. a slide rail; 11. a first housing; 12. an air tube; 13. a threaded cap; 14. rolling the diaphragm; 15. a valve seat; 16. a flange plate; 17. a ball core; 18. a first bearing; 19. a second limit bolt; 20. supporting a block; 21. a first positioning bolt; 22. a second bearing; 23. a second positioning bolt; 24. a second housing; 25. a valve cavity; 26. a sealing gasket; 27. a screw hole; 28. a stud; 29. a valve stem; 30. and a ring-shaped frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention relates to an eccentric rotation structure for a pneumatic eccentric rotation adjusting valve, which comprises a first housing 11, a sealing cover 1 is connected to the middle portion of the outer end of the first housing 11 through a screw thread, a second housing 24 is connected to the middle portion of the inner side of the first housing 11 through a through pipe 3, an air pipe 12 is connected to the middle portion of the outer side of the sealing cover 1 through a screw thread, a screw cover 13 is connected to the outer side of the air pipe 12 through a screw thread, the sealing cover 1 is arranged to seal the interior of the first housing 11 for protecting the interior parts of the first housing, the through pipe 3 is arranged to provide the expansion space of the air cylinder 4 and to structurally connect the first housing 11 and the second housing 24, meanwhile, the air pipe 12 is arranged to apply force to the air cylinder 4, the screw cover 13 is arranged to structurally connect the air pipe 12, so as to adjust the length, the middle part of the upper end and the lower end in the first shell 11 is connected with a sliding block 9 in a sliding way through a sliding rail 10, the middle part of the inner side of the sliding block 9 is connected with a supporting rod 2, the middle part of one side in the first shell 11 penetrates through the supporting rod 2 to be connected with an air cylinder 4, the model of the air cylinder 4 is SCJ, the prior art belongs to, the supporting rod 2 is arranged to structurally connect and fix the air cylinder 4, the sliding block 9 is arranged to drive the air cylinder 4 to move on the inner side of the sliding rail 10, the damaged air cylinder 4 is used for moving outwards, the damaged air cylinder 4 is convenient to overhaul, meanwhile, the air cylinder 4 is arranged to exert force on a supporting block 20, the ball core 17 is used for rotating operation, the opening and closing of the ball core 17 are realized, the first bearing 18 is fixedly connected with the middle part in the second shell 24, the middle part in the first bearing 18 is rotatably connected with a valve rod 29, the middle, the second bearing 22 is structurally connected with the middle part in the second shell 24, which is used for realizing the rotary connection of the valve rod 29, and the contact operation is carried out between the arranged support block 20 and the cylinder 4, for realizing the rotation operation of the valve rod 29 and promoting the opening and closing operation of the ball core 17, the lower end of the outer side of the valve rod 29 is connected with a sealing gasket 26 through an annular frame 30, and the valve rods 29 are connected through the rolling diaphragm 14, the valve rods 29 extend into the middle part in the lower valve seat 15, the front end of the valve rod 29 is fixedly connected with the ball core 17, the valve rod 29 penetrates through the valve seat 15 to be sealed by the arranged sealing washer 26, and the structural stability and integrity of the sealing gasket 26 are improved by the annular frame 30, which contributes to further improving the sealing performance, and the arranged rolling diaphragm 14 is used for connecting the valve rod 29, so that the problem of unbalanced force when the ball core 17 rotates is solved, and the arranged ball core 17 is used for realizing the circulation and the blocking operation of fluid.
As shown in fig. 1, an end cover 7 is fixedly connected to the upper end of a valve stem 29, the end cover 7 and the valve stem 29 and the rolling diaphragm 14 are respectively in threaded connection through a second fastening bolt 6 and a first fastening bolt 5, the second fastening bolt 6 and the first fastening bolt 5 are respectively arranged in the middle of the upper end of the end cover 7 and in the middle of two sides of the rolling diaphragm 14, clockwise force is applied to the arranged first fastening bolt 5 and the arranged second fastening bolt 6 for structurally fixing the end cover 7 and the valve stem 29 between the rolling diaphragms 14, the arrangement positions of the first fastening bolt 5 and the second fastening bolt 6 are described, the installation operation of the rolling diaphragms at accurate positions is facilitated, meanwhile, the structural disassembly of the rolling diaphragms is facilitated, the maintenance, replacement and recycling of the rolling diaphragms during structural damage are facilitated, the lower end of the valve stem 29 is rotatably connected with the middle of the upper end of a first bearing 18 connected with the central position of the inner bottom end of a valve seat 15, the valve rod 29 extends into the middle of the valve cavity 25 arranged in the center of the valve seat 15, the flange 16 is connected with the outer side of the front end and the rear end of the valve seat 15 through threads, the first bearing 18 is structurally connected with the middle of the bottom end of the valve seat 15 and is used for structurally supporting the valve rod 29 in rotation, the rotation operation is prevented from being influenced due to large friction force, the arranged valve cavity 25 is used for fluid circulation operation, and the arranged flange 16 is used for structurally connecting the valve seat 15 with an external pipeline and is used for fluid conveying operation.
As shown in fig. 1 and 4, the second housing 24 and the annular frame 30 are respectively connected with the through pipe 3 and the valve rod 29 by the first limit bolt 8 and the second limit bolt 19 through the first limit bolt 8, the first limit bolt 8 is arranged in the middle of the upper end and the lower end of the inner side of the through pipe 3 in a threaded manner, the second limit bolt 19 is arranged on two sides of the middle of the front end and the rear end of the annular frame 30 in a threaded manner, clockwise force is applied to the arranged first limit bolt 8 and the second limit bolt 19 for connecting and fixing the structure between the second housing 24 and the through pipe 3 and between the annular frame 30 and the valve rod 29, the annular frame 30 is convenient to disassemble, the maintenance, replacement and recycling of the annular frame during structural damage are facilitated, meanwhile, the arrangement positions of the first limit bolt 8 and the second limit bolt 19 are explained, the annular frame is convenient to install the annular frame at an accurate position, and the sealing washer 26 and the middle of, Screw 27 screw thread fixed connection, and screw 27 equidistance sets up in the inboard middle part of annular frame 30, middle part in screw 27 is connected to stud 28 screw thread, carry out the structure setting to screw 27 by annular frame 30 inboard middle part equidistance, and exert clockwise power to the stud 28 that sets up, by the threaded connection of the structure between stud 28 and the screw 27 that sets up, be used for seal ring 26 and annular frame 30 between the connection of structure fixed, and conveniently carry out the structure dismantlement to it, when helping it to carry out the structural damage, change the operation.
As shown in fig. 2, the second bearing 22 and the support block 20 are respectively connected with the second housing 24 and the valve rod 29 by the first positioning bolt 21, the second positioning bolt 23 and the second housing 24 through the first positioning bolt 21, the first positioning bolt 21 is arranged in the middle of the upper end and the lower end of the two sides of the second bearing 22 through threads, the second positioning bolt 23 is arranged in the middle of the upper end and the lower end of the front surface of the support block 20 through threads, clockwise force is applied to the first positioning bolt 21 and the second positioning bolt 23, the connection between the second bearing 22 and the second housing 24 and the structure between the support block 20 and the valve rod 29 is fixed, the structure is conveniently disassembled, the overhaul replacement and recycling of the support block during structural damage are facilitated, meanwhile, the arrangement positions of the first positioning bolt 21 and the second positioning bolt 23 are explained, and the installation operation of the support block on the accurate position is facilitated.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. An eccentric rotating structure for a pneumatic eccentric rotary adjusting valve, comprising a first housing (11), characterized in that: the middle part of the outer end of the first shell (11) is in threaded connection with a sealing cover (1), the middle part of the inner side of the first shell (11) is in through connection with a second shell (24) through a through pipe (3), the middle part of the outer side of the sealing cover (1) is in through connection with an air pipe (12), the outer side of the air pipe (12) is in threaded connection with a threaded cover (13), the middle part of the inner upper end and the inner lower end of the first shell (11) is in sliding connection with a sliding block (9) through a sliding rail (10), the middle part of the inner side of the sliding block (9) is connected with a supporting rod (2), the middle part of one side in the first shell (11) is in through connection with a cylinder (4), the middle part in the second shell (24) is fixedly connected with a first bearing (18), the middle part in the first bearing (18) is rotatably connected with a valve rod (29), the middle part of the, the lower extreme in valve rod (29) outside is connected with seal ring (26) through annular frame (30), and connects through rolling diaphragm (14) between valve rod (29), middle part in valve seat (15) below is extended into in valve rod (29), and valve rod (29) front end fixedly connected with ball core (17).
2. The eccentric rotation structure for the pneumatic eccentric rotation adjusting valve according to claim 1, wherein an end cover (7) is fixedly connected to the upper end of the valve rod (29), the end cover (7) and the valve rod (29) and the rolling diaphragm (14) are in threaded connection through a second fastening bolt (6) and a first fastening bolt (5), and the second fastening bolt (6) and the first fastening bolt (5) are respectively arranged in the middle of the upper portion of the end cover (7) and in the middle of the upper two sides of the rolling diaphragm (14).
3. The eccentric rotary structure for the pneumatic eccentric rotary adjusting valve according to claim 1, wherein the lower end of the valve rod (29) is rotatably connected with the middle part of the upper end of the first bearing (18) connected with the central position of the inner bottom end of the valve seat (15), the valve rod (29) extends into the middle part of the valve cavity (25) arranged at the central position in the valve seat (15), and the outer side of the front end and the rear end of the valve seat (15) is in threaded connection with a flange (16).
4. The eccentric rotation structure for the pneumatic eccentric rotation adjusting valve according to claim 1, wherein the second housing (24) and the annular frame (30) are respectively in threaded connection with the through pipe (3) and the valve rod (29) through a first limit bolt (8) and a second limit bolt (19), the first limit bolt (8) is arranged in the middle of the upper end and the lower end of the inner side of the through pipe (3) in a threaded manner, and the second limit bolt (19) is arranged on two sides of the middle of the front end and the rear end of the annular frame (30) in a threaded manner.
5. The eccentric rotation structure for the pneumatic eccentric rotation adjusting valve according to claim 1, wherein the second bearing (22) and the support block (20) are respectively in threaded connection with the second housing (24) and the valve rod (29) through a first positioning bolt (21) and a second positioning bolt (23), the first positioning bolt (21) is arranged in the middle of the upper end and the lower end of the two sides of the second bearing (22) in a threaded manner, and the second positioning bolt (23) is arranged in the middle of the upper end and the lower end of the front surface of the support block (20) in a threaded manner.
6. The eccentric rotation structure for the pneumatic eccentric rotation adjusting valve according to claim 1, wherein the sealing washer (26) is fixedly connected with the middle part of the inner side of the annular frame (30) through a stud (28) and a screw hole (27) in a threaded manner, the screw hole (27) is equidistantly arranged in the middle part of the inner side of the annular frame (30), and the stud (28) is connected with the middle part of the inner side of the screw hole (27) in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020454809.2U CN211779109U (en) | 2020-04-01 | 2020-04-01 | Eccentric rotating structure for pneumatic eccentric rotary adjusting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020454809.2U CN211779109U (en) | 2020-04-01 | 2020-04-01 | Eccentric rotating structure for pneumatic eccentric rotary adjusting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211779109U true CN211779109U (en) | 2020-10-27 |
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ID=72927703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020454809.2U Expired - Fee Related CN211779109U (en) | 2020-04-01 | 2020-04-01 | Eccentric rotating structure for pneumatic eccentric rotary adjusting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211779109U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114754173A (en) * | 2022-04-27 | 2022-07-15 | 浙江成达特种阀门有限公司 | Energy-saving and emission-reducing four-way ball valve capable of accurately controlling fluid flow |
-
2020
- 2020-04-01 CN CN202020454809.2U patent/CN211779109U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114754173A (en) * | 2022-04-27 | 2022-07-15 | 浙江成达特种阀门有限公司 | Energy-saving and emission-reducing four-way ball valve capable of accurately controlling fluid flow |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 |