CN221145349U - Cage type anti-rotation adjusting valve - Google Patents
Cage type anti-rotation adjusting valve Download PDFInfo
- Publication number
- CN221145349U CN221145349U CN202323313353.0U CN202323313353U CN221145349U CN 221145349 U CN221145349 U CN 221145349U CN 202323313353 U CN202323313353 U CN 202323313353U CN 221145349 U CN221145349 U CN 221145349U
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- Prior art keywords
- valve
- valve rod
- rotation
- medium
- rod
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- 238000012856 packing Methods 0.000 claims description 8
- 210000004907 gland Anatomy 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000009991 scouring Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Control Of Fluid Pressure (AREA)
Abstract
The utility model discloses a cage type anti-rotation regulating valve, which comprises a valve body, a valve cover arranged on the valve body and a valve rod arranged on the valve cover, wherein the valve cover is arranged on the valve body; a sleeve is arranged in the valve body; the valve is characterized in that an anti-rotation block for preventing the valve rod from rotating is arranged on the valve cover, and the valve rod passes through the anti-rotation block; the sleeve is detachably provided with a depressurization barrel for depressurizing the medium; a plurality of staggered depressurization baffles are arranged in the depressurization barrel. According to the utility model, the valve rod is limited by the anti-rotation block, so that the valve rod is prevented from rotating under the action of a high-pressure medium, and the control precision of the valve is improved; the pressure of the medium entering the valve body is reduced by the pressure reducing cylinder and then the medium flows to the valve core and the valve rod, so that the acting force of the medium on the valve rod can be reduced, the valve rod is prevented from rotating, the control precision is improved, the scouring force of the medium on the valve rod and the valve core is reduced, and the service life is prolonged.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a cage type anti-rotation regulating valve.
Background
The self-operated regulating valve is also called a self-operated control valve, and is a regulating valve which is driven by the pressure and temperature of a medium flowing through the valve as energy sources to automatically work without an external power supply and a secondary instrument. Therefore, a cage type anti-rotation adjusting valve capable of improving control precision is provided.
Disclosure of Invention
The utility model aims to solve the problems and provides a cage type anti-rotation regulating valve.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a cage type anti-rotation regulating valve comprises a valve body, a valve cover arranged on the valve body and a valve rod arranged on the valve cover; a sleeve is arranged in the valve body; the valve is characterized in that an anti-rotation block for preventing the valve rod from rotating is arranged on the valve cover, and the valve rod passes through the anti-rotation block; the sleeve is detachably provided with a depressurization barrel for depressurizing the medium; a plurality of staggered depressurization baffles are arranged in the depressurization barrel.
Preferably, the lower end and the bottom end of the pressure reducing cylinder are provided with a plurality of pressure reducing through holes.
Preferably, the anti-rotation block is provided with at least one boss, the valve rod is provided with at least one groove matched with the boss, and the matching of the groove and the boss is used for preventing the valve rod from rotating.
Preferably, the anti-rotation block is at least provided with a dry boss to replace the anti-rotation block with at least one anti-rotation through groove for limiting the valve rod, and the valve rod is at least provided with a groove matched with the boss to replace the valve rod with at least one anti-rotation boss matched with the limiting through groove.
Preferably, a valve core is further installed on the valve rod; the valve core is provided with a plurality of pressure balance holes.
Preferably, a filler is also arranged between the valve rod and the valve cover; and the packing is also provided with a packing gland which is fixed on the valve cover.
The utility model has the beneficial effects that: the valve rod is limited by the anti-rotation block, so that the valve rod is prevented from rotating under the action of a high-pressure medium, and the control precision of the valve is improved;
The pressure of the medium entering the valve body is reduced by the pressure reducing cylinder and then the medium flows to the valve core and the valve rod, so that the acting force of the medium on the valve rod can be reduced, the valve rod is prevented from rotating, the control precision is improved, the scouring force of the medium on the valve rod and the valve core is reduced, and the service life is prolonged.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is an enlarged view of a portion of fig. 1a of the present utility model.
Fig. 3 is a cross-sectional view of the anti-rotation block of the present utility model.
Fig. 4 is a cross-sectional view of another version of the anti-rotation block of the present utility model.
Legend description: 1. a valve body; 2. a valve cover; 201. a filler; 202. a packing gland; 3. a valve stem; 301. a valve core; 302. a pressure balance hole; 4. a sleeve; 401. a depressurization cylinder; 402. a depressurization baffle; 403. a depressurization through hole; 5. an anti-rotation block; 501. an anti-turn through groove; 502. anti-rotation boss; 503. a boss; 504. a groove.
Detailed Description
The utility model further provides a cage type anti-rotation regulating valve with reference to the accompanying drawings.
Referring to fig. 1-3, a cage type anti-rotation adjusting valve in this embodiment includes a valve body 1, a valve cover 2 mounted on the valve body 1, and a valve rod 3 mounted on the valve cover 2; a sleeve 4 is arranged in the valve body 1; the valve is characterized in that an anti-rotation block 5 for preventing the valve rod 3 from rotating is arranged on the valve cover 2 through a screw, and the valve rod 3 passes through the anti-rotation block 5; the sleeve 4 is detachably provided with a depressurization cylinder 401 for depressurizing the medium through screws; a plurality of staggered depressurization baffles 402 are arranged in the depressurization barrel 401; the valve rod 3 is limited by the anti-rotation block 5, so that the valve rod 3 is prevented from rotating under the action of a high-pressure medium, and the control precision of the valve is improved; the pressure of the medium entering the valve body 1 is reduced by the pressure reducing cylinder 401 and then flows to the valve core 301 and the valve rod 3, so that the acting force of the medium on the valve rod 3 can be reduced, the valve rod 3 is prevented from rotating, the control precision is improved, the scouring force of the medium on the valve rod 3 and the valve core 301 is reduced, and the service life is prolonged; the pressure reducing cylinder 401 is detachably arranged on the sleeve 4, so that the pressure reducing cylinder 401 is convenient to replace.
Referring to fig. 1-2, the lower end and the bottom end of the pressure reducing cylinder 401 are provided with a plurality of pressure reducing through holes 403; the medium entering the valve body 1 is subjected to multistage depressurization and deceleration by utilizing the depressurization through hole 403 and the depressurization baffle 402 on the depressurization barrel 401, the acting force of the medium on the valve rod 3 is reduced, the valve rod 3 is prevented from rotating, the control precision is improved, the scouring force of the medium on the valve rod 3 and the valve core 301 is reduced, and the service life is prolonged.
Referring to fig. 1 and 3, the anti-rotation block 5 is provided with at least one boss 503, the valve rod 3 is provided with at least one groove 504 adapted to the boss 503, and the cooperation between the groove 504 and the boss 503 is used for preventing the valve rod 3 from rotating; by mounting the groove 504 on the valve rod 3 on the boss 503 on the anti-rotation block 5, the cooperation of the groove 504 and the boss 503 is used for preventing the valve rod 3 from rotating, preventing the valve rod 3 from rotating under the action of high-pressure medium, and improving the control precision of the valve.
Referring to fig. 1, the valve rod 3 is further provided with a valve core 301; the valve core 301 is provided with a plurality of pressure balance holes 302; a packing 201 is also arranged between the valve rod 3 and the valve cover 2; the packing 201 is also provided with a packing gland 202 which is fixed on the valve cover 2; the pressure balance hole 302 serves to balance the pressure above and below the valve element 301, thereby improving the control accuracy of the valve.
In the use process of the utility model, a medium enters the valve body 1 from one end of the valve body 1, then the medium is subjected to multistage depressurization and deceleration through the depressurization through hole 403 and the depressurization baffle 402 on the depressurization barrel 401, continuously flows to the valve core 301 through multistage depressurization and deceleration and pushes the valve core 301 upwards, the valve core 301 drives the valve rod 3 to move upwards along the sleeve 4, and simultaneously the groove 504 on the valve rod 3 moves upwards along the boss 503 on the anti-rotation block 5, so that the valve is opened, and then the medium flows out from the other end of the valve body 1.
In one embodiment, referring to fig. 4, the anti-rotation block 5 is provided with a plurality of anti-rotation grooves 501 for limiting the valve rod 3; an anti-rotation boss 502 matched with the limit through groove 501 is arranged on the valve rod 3; through installing the anti-rotation boss 502 on the valve rod 3 into the anti-rotation groove 501 on the anti-rotation block 5, the valve rod 3 is limited by utilizing the anti-rotation groove 501, the valve rod 3 is prevented from rotating under the action of a high-pressure medium, and the control precision of the valve is improved.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.
Claims (6)
1. A cage type anti-rotation adjusting valve comprises a valve body (1), a valve cover (2) arranged on the valve body (1) and a valve rod (3) arranged on the valve cover (2); a sleeve (4) is arranged in the valve body (1); the valve is characterized in that an anti-rotation block (5) for preventing the valve rod (3) from rotating is arranged on the valve cover (2), and the valve rod (3) passes through the anti-rotation block (5); a depressurization cylinder (401) for depressurizing the medium is detachably arranged on the sleeve (4); a plurality of staggered depressurization baffles (402) are arranged in the depressurization barrel (401).
2. A cage anti-rotation regulator valve according to claim 1, wherein: the lower end and the bottom end of the pressure reducing cylinder (401) are respectively provided with a plurality of pressure reducing through holes (403).
3. A cage anti-rotation regulator valve according to claim 1, wherein: at least one boss (503) is arranged on the anti-rotation block (5), at least one groove (504) matched with the boss (503) is arranged on the valve rod (3), and the matching of the groove (504) and the boss (503) is used for preventing the valve rod (3) from rotating.
4. A caged anti-rotation regulator valve according to claim 3, wherein: at least one boss (503) is arranged on the anti-rotation block (5) and replaced by at least one anti-rotation through groove (501) which is used for limiting the valve rod (3) is arranged on the anti-rotation block (5), at least one groove (504) which is matched with the boss (503) is arranged on the valve rod (3) and replaced by at least one anti-rotation boss (502) which is matched with the limiting through groove (501) is arranged on the valve rod (3).
5. A cage anti-rotation regulator valve according to claim 1, wherein: a valve core (301) is also arranged on the valve rod (3); the valve core (301) is provided with a plurality of pressure balance holes (302).
6. A cage anti-rotation regulator valve according to claim 1, wherein: a filler (201) is also arranged between the valve rod (3) and the valve cover (2); and a packing gland (202) which is fixed on the valve cover (2) is also arranged on the packing (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323313353.0U CN221145349U (en) | 2023-12-06 | 2023-12-06 | Cage type anti-rotation adjusting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323313353.0U CN221145349U (en) | 2023-12-06 | 2023-12-06 | Cage type anti-rotation adjusting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221145349U true CN221145349U (en) | 2024-06-14 |
Family
ID=91421982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323313353.0U Active CN221145349U (en) | 2023-12-06 | 2023-12-06 | Cage type anti-rotation adjusting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221145349U (en) |
-
2023
- 2023-12-06 CN CN202323313353.0U patent/CN221145349U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |