CN214222043U - Fluctuation-free high-pressure-difference regulating valve - Google Patents
Fluctuation-free high-pressure-difference regulating valve Download PDFInfo
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- CN214222043U CN214222043U CN202120057575.2U CN202120057575U CN214222043U CN 214222043 U CN214222043 U CN 214222043U CN 202120057575 U CN202120057575 U CN 202120057575U CN 214222043 U CN214222043 U CN 214222043U
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 238000012856 packing Methods 0.000 claims description 47
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 230000001276 controlling effect Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 1
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Abstract
The utility model discloses a fluctuation-free high differential pressure regulating valve, which comprises a valve body and a valve cover fixed with the valve body through a bolt, wherein a groove is arranged on the valve body, a multilayer fluctuation-free steady flow component is arranged in the groove, the multilayer fluctuation-free steady flow component comprises a pressing plate and a plurality of discs, the upper surfaces of the discs are all provided with a combined groove, the discs are fixedly connected, a valve seat is fixed in the groove, the discs are placed on the valve seat, the pressing plate is placed in the groove, one end of each disc, which is far away from the valve seat, is contacted with the pressing plate, both sides of the groove are respectively provided with a feeding hole and a discharging hole, the pressing plate, the discs and the valve seat are respectively provided with a first through hole, a second through hole and a third through hole, the first through hole, the second through hole and the third through hole are communicated, a through hole is arranged on the valve cover, a sealing component is arranged in the through hole, a valve rod is arranged in the through hole, one end of the valve rod passes through hole and the second through hole is arranged in the third through hole, has the advantage of controlling flow fluctuation.
Description
Technical Field
The utility model relates to a governing valve technical field, in particular to there is not undulant high pressure difference governing valve.
Background
The fluctuation-free high-pressure-difference regulating valve serves as a key valve of a high-pressure-difference automatic control working condition, the high-pressure-difference regulating valve on the market at present generally adopts a cage type or conventional grid labyrinth type structure, the problems of large flow fluctuation, large curve distortion, large vibration, short service life and the like exist, various high-pressure-difference working conditions are seriously influenced, the operation of the device is hindered, the development of a high-pressure-difference medium is hindered, and the increasingly developed automatic control requirement of the high-pressure-difference working condition cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a there is not undulant high pressure difference governing valve has the undulant advantage of control flow.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a fluctuation-free high differential pressure regulating valve comprises a valve body and a valve cover fixed with the valve body through bolts, wherein a groove is formed in the valve body, a multilayer fluctuation-free flow stabilizing assembly is arranged in the groove and comprises a pressing plate and a plurality of discs, combined grooves are formed in the upper surfaces of the discs, the discs are fixedly connected, a valve seat is fixed in the groove, the discs are placed on the valve seat, the pressing plate is placed in the groove, one end, away from the valve seat, of each disc is in contact with the pressing plate, a feeding hole and a discharging hole are formed in two sides of the groove, a first through hole, a second through hole and a third through hole are formed in the pressing plate, the discs and the valve seat respectively, the first through hole, the second through hole and the third through hole are communicated, a through hole is formed in the valve cover, a sealing assembly is arranged in the through hole, and a valve rod is arranged in the through hole in a sliding manner, one end of the valve rod penetrates through the first through hole and the second through hole and is arranged in the third through hole.
By adopting the technical scheme, the fluid enters the groove from the feeding hole, the fluid passes through the combined groove, the high-efficiency flowing fluid collides in the disc, the confluence and the branch are ceaselessly repeated, a large amount of fluid energy is consumed, the outlet speed is effectively reduced, the fluid stably flows out in the last stage without fluctuation, the disc has a plurality of pieces, stable pressure reduction is continuously carried out, cavitation and vibration can be eliminated, the noise is reduced, the service life of the valve is prolonged, the valve is suitable for various working conditions requiring high pressure difference without fluctuation, the upper end of the valve rod is connected with the actuator, the actuator drives the valve rod to move upwards, when the lower end of the valve rod moves out of the through hole III, the valve is opened, the fluid discharging hole flows out, the actuator drives the valve rod to move downwards, the through hole III is blocked by the lower.
Preferably, the sealing assembly comprises a first packing pressing plate and a first packing pressing nail, an annular groove is formed in the inner wall of the through hole, packing is placed in the annular groove, the packing pressing nail is sleeved on the valve rod in an sleeved mode, one end of the packing pressing nail is arranged in the through hole in a sliding mode, one end of the packing pressing nail is fixed with the first packing pressing plate, and the first packing pressing plate and the valve cover are fixed through bolts.
By adopting the technical scheme, the first packing pressing plate fixes the first packing pressing nail, and the first packing pressing nail presses the packing in the annular groove, so that the packing is tightly contacted with the valve rod, the sealing performance between the packing and the inner wall of the annular groove is ensured, when the packing needs to be replaced, the first packing pressing plate and the first packing pressing nail are taken down, the packing is replaced, and the effect of ensuring the sealing performance between the valve rod and the inner wall of the annular groove is achieved.
Preferably, the combined groove comprises a first annular throttling groove, a second annular throttling groove and a third annular throttling groove, the first annular throttling groove, the second annular throttling groove and the third annular throttling groove are sequentially arranged on the upper surface of the disc, and a plurality of radial grooves are formed among the first annular throttling groove, the second annular throttling groove and the third annular throttling groove.
By adopting the technical scheme, the annular throttling groove I, the annular throttling groove II and the annular throttling groove III can ensure that the valve has no adjusting dead zone, and the fluctuation of flow characteristics caused by the adjusting dead zone is effectively avoided.
Preferably, a first sealing gasket is arranged between the pressure plate and the valve body.
By adopting the technical scheme, the sealing gasket ensures the sealing effect between the pressing plate and the valve body.
Preferably, a second sealing gasket is arranged between the pressing plate and the valve cover.
By adopting the technical scheme, the sealing gasket II ensures the sealing effect between the pressing plate and the valve cover.
Preferably, a third sealing gasket is arranged between the valve seat and the valve body.
By adopting the technical scheme, the sealing gasket III ensures the sealing effect between the valve seat and the valve body.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
FIG. 2 is a schematic structural diagram for showing a multi-layer surge-free flow stabilizing assembly;
FIG. 3 is a schematic view showing the positions of the disks and the combination slots;
FIG. 4 is a schematic diagram showing the position of the seal assembly, valve stem, packing press plate one, packing press pin, annular groove and packing.
Reference numerals: 1. a valve body; 2. a valve cover; 3. a groove; 4. a multilayer fluctuation-free flow stabilizing assembly; 5. pressing a plate; 6. a disc; 7. a combination tank; 8. a valve seat; 9. a feed port; 10. a discharge hole; 11. a first through hole; 12. a second through hole; 13. a third through hole; 14. a through hole; 15. a seal assembly; 16. a valve stem; 17. a first padding pressing plate; 18. filling and pressing nails; 19. an annular groove; 20. a filler; 21. a first sealing gasket; 22. a second sealing gasket; 23. a sealing gasket III; 24. a first annular throttling groove; 25. a second annular throttling groove; 26. a third annular throttling groove; 27. a radial groove.
Detailed Description
The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.
Referring to fig. 1 to 4, a fluctuation-free high pressure difference regulating valve comprises a valve body 1 and a valve cover 2 fixed with the valve body 1 through bolts, a groove 3 is formed on the valve body 1, a multilayer fluctuation-free flow stabilizing assembly 4 is arranged in the groove 3, the multilayer fluctuation-free flow stabilizing assembly 4 comprises a pressure plate 5 and a plurality of discs 6, combination grooves 7 are formed in the upper surfaces of the discs 6, the discs 6 are fixedly connected, a valve seat 8 is fixed in the groove 3, the discs 6 are placed on the valve seat 8, the pressure plate 5 is placed in the groove 3, one end, far away from the valve seat 8, of each disc 6 is in contact with the pressure plate 5, a feed hole 9 and a discharge hole 10 are formed in each of two sides of the groove 3, fluid enters the groove 3 from the feed hole 9, passes through the combination grooves 7, the high-efficiency flowing fluid collides in the discs 6, joins, branches are joined and repeat continuously, a large amount of fluid energy is consumed, and the outlet speed is effectively reduced, and the stable outflow without fluctuation at the last stage, the combination groove 7 comprises a first annular throttling groove 24, a second annular throttling groove 25 and a third annular throttling groove 26, the first annular throttling groove 24, the second annular throttling groove 25 and the third annular throttling groove 26 are sequentially arranged on the upper surface of the disc 6, a plurality of radial grooves 27 are arranged between the first annular throttling groove 24, the second annular throttling groove 25 and the third annular throttling groove 26, the first annular throttling groove 24, the second annular throttling groove 25 and the third annular throttling groove 26 can ensure that no regulation dead zone exists in the valve, the fluctuation of flow characteristics caused by the regulation dead zone is effectively avoided, the disc 6 has a plurality of discs, stable depressurization is continuously carried out, cavitation and vibration can be eliminated, the noise is reduced, the service life of the valve is prolonged, and the valve is suitable for various working conditions requiring high pressure difference without fluctuation.
As shown in fig. 2, the pressure plate 5, the disc 6 and the valve seat 8 are respectively provided with a first through hole 11, a second through hole 12 and a third through hole 13, the first through hole 11, the second through hole 12 and the third through hole 13 are communicated, the valve cover 2 is provided with a through hole 14, a valve rod 16 is slidably arranged in the through hole 14, one end of the valve rod 16 passes through the first through hole 11 and the second through hole 12 and is arranged in the third through hole 13, the upper end of the valve rod 16 is connected with an actuator, the actuator drives the valve rod 16 to move upwards, when the lower end of the valve rod 16 moves out of the third through hole 13, the valve is opened, the fluid discharge hole 10 flows out, the actuator drives the valve rod 16 to move downwards until the lower end of the valve rod 16 blocks the third through hole 13, and the valve is closed.
As shown in fig. 4, a sealing assembly 15 is arranged in the through hole 14, the sealing assembly 15 includes a first packing pressing plate 17 and a packing pressing nail 18, an annular groove 19 is formed in the inner wall of the through hole 14, packing 20 is placed in the annular groove 19, the packing pressing nail 18 is sleeved on the valve rod 16, one end of the packing pressing nail 18 is slidably arranged in the through hole 14, the first packing pressing plate 17 fixes the packing pressing nail 18, the packing pressing nail 18 presses the packing 20 in the annular groove 19, so that the packing 20 is tightly contacted with the valve rod 16, the sealing performance between the packing 20 and the inner wall of the annular groove 19 is ensured, one end of the packing pressing nail 18 is fixed with the first packing pressing plate 17, the first packing pressing plate 17 and the valve cover 2 are fixed through bolts, and when the packing 20 needs to be replaced, the first packing pressing plate 17 and the packing pressing nail 18 are removed, and the packing 20 is replaced.
As shown in fig. 1, a first sealing gasket 21 is arranged between the pressure plate 5 and the valve body 1, and the first sealing gasket 21 ensures the sealing property between the pressure plate 5 and the valve body 1; a second sealing gasket 22 is arranged between the pressing plate 5 and the valve cover 2, and the second sealing gasket 22 ensures the sealing property between the pressing plate 5 and the valve cover 2; a third sealing gasket 23 is arranged between the valve seat 8 and the valve body 1, and the third sealing gasket 23 ensures the sealing property between the valve seat 8 and the valve body 1.
Claims (6)
1. A fluctuation-free high-pressure-difference regulating valve comprises a valve body (1) and a valve cover (2) fixed with the valve body (1) through bolts, wherein a groove (3) is formed in the valve body (1), and is characterized in that a plurality of layers of fluctuation-free flow stabilizing assemblies (4) are arranged in the groove (3), each layer of fluctuation-free flow stabilizing assembly (4) comprises a pressing plate (5) and a plurality of discs (6), a combination groove (7) is formed in the upper surfaces of the discs (6), the discs (6) are fixedly connected, a valve seat (8) is fixed in the groove (3), the discs (6) are placed on the valve seat (8), the pressing plate (5) is placed in the groove (3), one end, far away from the valve seat (8), of each disc (6) is in contact with the pressing plate (5), and a feeding hole (9) and a discharging hole (10) are formed in each of the two sides of the groove (3), the valve is characterized in that a first through hole (11), a second through hole (12) and a third through hole (13) are formed in the pressing plate (5), the disc (6) and the valve seat (8) respectively, the first through hole (11), the second through hole (12) and the third through hole (13) are communicated, a through hole (14) is formed in the valve cover (2), a sealing assembly (15) is arranged in the through hole (14), a valve rod (16) is arranged in the through hole (14) in a sliding mode, and one end of the valve rod (16) penetrates through the first through hole (11) and the second through hole (12) to be arranged in the third through hole (13).
2. The surge-free high pressure difference regulating valve according to claim 1, wherein the sealing assembly (15) comprises a first packing pressing plate (17) and a packing pressing nail (18), an annular groove (19) is formed in the inner wall of the through hole (14), packing (20) is placed in the annular groove (19), the packing pressing nail (18) is sleeved on the valve rod (16), one end of the packing pressing nail (18) is slidably arranged in the through hole (14), one end of the packing pressing nail (18) is fixed with the first packing pressing plate (17), and the first packing pressing plate (17) and the valve cover (2) are fixed through bolts.
3. The surge-free high differential pressure regulating valve according to claim 2, wherein the combination groove (7) comprises a first annular throttling groove (24), a second annular throttling groove (25) and a third annular throttling groove (26), the first annular throttling groove (24), the second annular throttling groove (25) and the third annular throttling groove (26) are sequentially arranged on the upper surface of the disc (6), and a plurality of radial grooves (27) are formed among the first annular throttling groove (24), the second annular throttling groove (25) and the third annular throttling groove (26).
4. A surge-free high differential pressure regulating valve according to claim 3, characterized in that a first sealing gasket (21) is arranged between the pressure plate (5) and the valve body (1).
5. A surge-free high differential pressure regulating valve according to claim 4, wherein a second sealing gasket (22) is arranged between the pressure plate (5) and the valve cover (2).
6. A surge-free high differential pressure regulating valve according to claim 5, characterized in that a sealing gasket III (23) is arranged between the valve seat (8) and the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120057575.2U CN214222043U (en) | 2021-01-09 | 2021-01-09 | Fluctuation-free high-pressure-difference regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120057575.2U CN214222043U (en) | 2021-01-09 | 2021-01-09 | Fluctuation-free high-pressure-difference regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214222043U true CN214222043U (en) | 2021-09-17 |
Family
ID=77709537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120057575.2U Active CN214222043U (en) | 2021-01-09 | 2021-01-09 | Fluctuation-free high-pressure-difference regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214222043U (en) |
-
2021
- 2021-01-09 CN CN202120057575.2U patent/CN214222043U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 11-12, Chuangye Road, Changkou Town, Fuyang District, Hangzhou, Zhejiang 310000 Patentee after: Zhejiang Baohe Industrial Technology Group Co.,Ltd. Country or region after: China Address before: 311400 1-1, building 1, No. 118, Hongzhuang village, Yinhu street, Fuyang District, Hangzhou City, Zhejiang Province Patentee before: Zhejiang berghol Automation Engineering Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |