CN208871070U - A kind of sleeve combination multilevel decompression pneumatic control valve - Google Patents
A kind of sleeve combination multilevel decompression pneumatic control valve Download PDFInfo
- Publication number
- CN208871070U CN208871070U CN201821295206.1U CN201821295206U CN208871070U CN 208871070 U CN208871070 U CN 208871070U CN 201821295206 U CN201821295206 U CN 201821295206U CN 208871070 U CN208871070 U CN 208871070U
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- Prior art keywords
- valve
- tube
- sleeve
- deck
- pneumatic actuator
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Abstract
The utility model provides a kind of sleeve combination multilevel decompression pneumatic control valve, belong to regulating valve field, including valve body, valve seat, tube-in-tube structure, valve deck, valve rod, pneumatic actuator and spool, valve seat is set among valve inner, valve seat upper end sets gradually tube-in-tube structure from bottom to top, valve deck and pneumatic actuator, valve rod runs through tube-in-tube structure, inside valve deck and pneumatic actuator, spool is arranged in valve rod lower end, bonnet gasket is equipped between valve deck lower end and tube-in-tube structure, valve seat gasket is equipped between valve body and valve seat, the valve inner is equipped with rear flap and preceding flap；The utility model leads to compact-sized, and turbulent condition of the fluid in valve body in flow process reduces flow resistance, and valve negotiability is bigger, while avoiding generating obstruction stream, destroys and reduces caused by valve body middle chamber, reduce impact noise, improves valve service life；Cooling fin is added on pneumatic actuator, improves its high-low temperature resistant ability.
Description
Technical field
The utility model relates to a kind of regulating valve technical field, specifically a kind of sleeve combination multilevel decompression is pneumatically adjusted
Valve.
Background technique
Multilevel decompression pneumatic control valve is collectively constituted by pneumatic actuator and valve body two parts, in thermal power plant, is changed
Factory, oil plant, coke-oven plant, coal chemical industry have very important application, and most of septum valve currently on the market passes through
The structure type for changing trim changes the flow direction of fluid media (medium), flow velocity to change the pressure of fluid media (medium), sometimes entirely by changing
It is also inadequate for becoming trim, it is also necessary to which the optimization design of valve body, valve body are directly contacted most with fluid media (medium) in control valve
Important pressure part, conventional high-tension adjust valve body flow path designs be inside nominal diameter according to valve, trim installation ruler
Very little, flange distance and various Flange Standards determine the trends of various curves in valve body flow path, then smoothed are formed by connecting.Work as fluid
Pressure medium is excessively high, and flow velocity is too fast, it is easy to generate obstruction stream, not only damage in this way to valve body middle chamber, influence valve
Discharge coefficient also will cause very big impact noise.
Utility model content
In view of the above shortcomings of the prior art, the technical problem to be solved by the present invention is to provide a kind of water conservancy diversion is happy,
Reduce the sleeve combination multilevel decompression pneumatic control valve of impact noise.
In order to solve the above technical problems, the utility model provides following technical solution:
A kind of sleeve combination multilevel decompression pneumatic control valve, including it is valve body, valve seat, tube-in-tube structure, valve deck, valve rod, pneumatic
Actuator and spool, are arranged valve seat among valve inner, and valve seat upper end sets gradually tube-in-tube structure, valve deck and pneumatic from bottom to top
Actuator, for valve rod inside tube-in-tube structure, valve deck and pneumatic actuator, spool, valve deck lower end and sleeve is arranged in valve rod lower end
It is equipped with bonnet gasket between structure, valve seat gasket is equipped between valve body and valve seat, the valve inner is equipped with rear flap with before
Flap.
As the further improvement project of the utility model: the valve body includes liquid outlet, valve chamber, inlet and valve seat peace
Hole is filled, valve body left end is equipped with liquid outlet, and valve chamber is equipped in valve inner, and valve body right end is equipped with inlet, and valve chamber lower end is equipped with valve
Seat mounting hole.
As the further improvement project of the utility model: the tube-in-tube structure includes upper bush, sleeve gasket, outer sleeve
And inner sleeve, upper bush upper end are equipped with sleeve gasket, upper bush apex is equipped with outer sleeve, and outer sleeve outer ring is equipped with inner sleeve.
As the further improvement project of the utility model: the valve deck includes airtight and watertight padding and valve deck mounting hole, valve deck
Upper end is equipped with valve deck mounting hole, and airtight and watertight padding is equipped with inside valve deck, and airtight and watertight padding coats valve rod.
As the further improvement project of the utility model: the valve chamber inner wall of face inlet is arranged in flap after described
Left end.
As the further improvement project of the utility model: the preceding flap is arranged between inlet and valve chamber, will
The feed liquor runner of connecting part separates.
As the utility model further improvement project: pneumatic actuator further includes lower cooling fin and upper cooling fin；
The lower cover plate lower end of pneumatic actuator is arranged in the lower cooling fin；The upper cover plate of pneumatic actuator is arranged in the upper cooling fin
Upper end.
Compared with prior art, the utility model has the beneficial effects that
The utility model leads to compact-sized, good airproof performance, and flap significantly improves fluid and exists before and after increasing in valve body
Turbulent condition in valve body in flow process, finally reduces flow resistance, to reduce pressure-recovery factor, and then makes to flow
Coefficient of discharge significantly improves, and valve negotiability is bigger；It avoids generating obstruction stream simultaneously, destroys and reduce caused by valve body middle chamber,
Energy long-term stable operation, reduces impact noise, improves valve service life；Cooling fin is added on pneumatic actuator, to solve
The problem of actuator for Pneumatic sleeve regulating valve of having determined radiates to periphery, improves its high-low temperature resistant ability.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the sleeve combination multilevel decompression pneumatic control valve of embodiment 1；
Fig. 2 is a kind of sleeve combination multilevel decompression pneumatic control valve sleeve partial schematic diagram of embodiment 1；
Fig. 3 is a kind of upper the schematic diagram of the section structure of the sleeve combination multilevel decompression pneumatic control valve of embodiment 1；
Fig. 4 is a kind of structural schematic diagram of the sleeve combination multilevel decompression pneumatic control valve of embodiment 2；
In figure: flap after 1- valve body, 2- valve seat, 3- liquid outlet, 4- valve seat gasket, 5-, 6- valve chamber, 7- bonnet gasket,
8- valve deck, 9- valve rod, 10- pneumatic actuator, 11- airtight and watertight padding, 12- valve deck mounting hole, 13- spool, 14- sleeve, 15- sleeve
Cooling fin, 22- under flap, 19- inlet, 20- valve seat mounting hole, 21- before gasket, 16- outer sleeve, 17- inner sleeve, 18-
Upper cooling fin.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
The embodiment of this patent is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining this patent, and cannot be understood as a limitation of this patent.
In the description of this patent, it is to be understood that term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship, be merely for convenience of description this patent and simplify description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to this patent.
In the description of this patent, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection ", " setting " shall be understood in a broad sense, for example, it may be being fixedly linked, being arranged, may be a detachable connection, set
It sets, or is integrally connected, is arranged.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
The concrete meaning of language in this patent.
Embodiment 1
Fig. 1-3 is please referred to, a kind of sleeve combination multilevel decompression pneumatic control valve, including valve body 1, valve are present embodiments provided
Seat 2, tube-in-tube structure, valve deck 8, valve rod 9, pneumatic actuator 10 and spool 13,1 bosom of valve body are arranged valve seat 2, on valve seat 2
End sets gradually tube-in-tube structure, valve deck 8 and pneumatic actuator 10 from bottom to top, and valve rod 9 is through tube-in-tube structure, valve deck 8 and pneumatic
Inside actuator 10, spool 13 is arranged in 9 lower end of valve rod, and bonnet gasket 7,1 He of valve body are equipped between 8 lower end of valve deck and tube-in-tube structure
It is equipped with valve seat gasket 4 between valve seat 2, is equipped with rear flap 5 and preceding flap 18 inside the valve body 1；The valve body 1 includes
Liquid mouth 3, valve chamber 6, inlet 19 and valve seat mounting hole 20,1 left end of valve body are equipped with liquid outlet 3, are equipped with valve chamber 6 in 1 inside of valve body,
1 right end of valve body is equipped with inlet 19, and 6 lower end of valve chamber is equipped with valve seat mounting hole 20, and inlet 19 is installed through the valve seat of 6 bottom of valve chamber
Hole 20 is communicated with liquid outlet 3；The tube-in-tube structure includes upper bush 14, sleeve gasket 15, outer sleeve 16 and inner sleeve 17, upper set
14 upper ends of cylinder are equipped with sleeve gasket 15, and 14 apex of upper bush is equipped with outer sleeve 16, and 16 outer ring of outer sleeve is equipped with inner sleeve 17；It is described
Valve deck 8 includes airtight and watertight padding 11 and valve deck mounting hole 12, and 8 upper end of valve deck is equipped with valve deck mounting hole 12, is equipped with sealing inside valve deck 8
Filler 11, airtight and watertight padding 11 coat valve rod 9；The 6 inner wall left end of valve chamber of face inlet 19 is arranged in flap 5 after described, after
Flap 5 is vertical rib, and rib tops are shrunk to pinnacle, is single-casting with valve body；The preceding flap 18 setting into
Between liquid mouth 19 and valve chamber 6, the feed liquor runner 4 of connecting part is separated, preceding flap 18 is the shuttle shape convex body on front and back pinnacle,
It is single-casting with valve body.
Embodiment 2
Referring to Fig. 4, a kind of sleeve combination multilevel decompression pneumatic control valve is present embodiments provided, compared with Example 1,
Pneumatic actuator 10 further includes lower cooling fin 21 and upper cooling fin 22；The lower cooling fin 21 is arranged under pneumatic actuator 10
Cover board lower end；The upper cover plate upper end of pneumatic actuator 10 is arranged in the upper cooling fin 22, and lower dissipate is added on pneumatic actuator 10
Backing 21 and upper cooling fin 22 solve the problems, such as that actuator radiates to periphery, improve its high-low temperature resistant ability.
The working principle of the utility model is: fluid media (medium) is in preceding flap 18 when fluid media (medium) enters from inlet 19
Under the action of, enter valve chamber 6 by two sides, then by entering outer sleeve 16 under 5 drainage of rear flap in valve chamber 6, by outer
16 fluid medium pressure of sleeve reduce it is many after enter back into inner sleeve 17, the pressure of fluid media (medium) is got back very big reduction, most
Required pressure limit, in this way the drilling area by changing each layer sleeve completely drop to pressure by 2 the last layer of valve seat afterwards
The flow velocity and pressure for changing fluid media (medium) with size, flap significantly improves fluid in valve body before and after increasing in valve body 1
Turbulent condition in interior flow process, finally reduces flow resistance, and fluid media (medium) is slowly flowed out from liquid outlet 3.
The utility model leads to compact-sized, good airproof performance, and flap significantly improves fluid and exists before and after increasing in valve body
Turbulent condition in valve body in flow process, finally reduces flow resistance, to reduce pressure-recovery factor, and then makes to flow
Coefficient of discharge significantly improves, and valve negotiability is bigger；It avoids generating obstruction stream simultaneously, destroys and reduce caused by valve body middle chamber,
Energy long-term stable operation, reduces impact noise, improves valve service life；Cooling fin is added on pneumatic actuator, to solve
The problem of actuator for Pneumatic sleeve regulating valve of having determined radiates to periphery, improves its high-low temperature resistant ability.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
It makes a variety of changes.
Claims (7)
1. a kind of sleeve combination multilevel decompression pneumatic control valve, characterized in that including valve body (1), valve seat (2), tube-in-tube structure, valve
(8), valve rod (9), pneumatic actuator (10) and spool (13) are covered, valve seat (2) are arranged in valve body (1) bosom, valve seat (2) upper end
Tube-in-tube structure, valve deck (8) and pneumatic actuator (10) are set gradually from bottom to top, and valve rod (9) runs through tube-in-tube structure, valve deck (8)
Internal with pneumatic actuator (10), spool (13) are arranged in valve rod (9) lower end, and valve deck (8) is equipped with valve between lower end and tube-in-tube structure
Lid gasket (7) is equipped with valve seat gasket (4) between valve body (1) and valve seat (2), behind valve body (1) inside flap (5) and before
Flap (18).
2. a kind of sleeve combination multilevel decompression pneumatic control valve according to claim 1, characterized in that the valve body (1)
Including liquid outlet (3), valve chamber (6), inlet (19) and valve seat mounting hole (20), valve body (1) left end is equipped with liquid outlet (3), valve
Valve chamber (6) are equipped in body (1) inside, valve body (1) right end is equipped with inlet (19), and valve chamber (6) lower end is equipped with valve seat mounting hole
(20).
3. a kind of sleeve combination multilevel decompression pneumatic control valve according to claim 1, characterized in that the tube-in-tube structure
Including upper bush (14), sleeve gasket (15), outer sleeve (16) and inner sleeve (17), upper bush (14) upper end is equipped with sleeve gasket
(15), upper bush (14) apex is equipped with outer sleeve (16), and outer sleeve (16) outer ring is equipped with inner sleeve (17).
4. a kind of sleeve combination multilevel decompression pneumatic control valve according to claim 1, characterized in that the valve deck (8)
Including airtight and watertight padding (11) and valve deck mounting hole (12), valve deck (8) upper end is equipped with valve deck mounting hole (12), sets inside valve deck (8)
Have airtight and watertight padding (11), airtight and watertight padding (11) coats valve rod (9).
5. a kind of sleeve combination multilevel decompression pneumatic control valve according to claim 1, characterized in that flap after described
(5) it is arranged in valve chamber (6) inner wall left end of face inlet (19).
6. a kind of sleeve combination multilevel decompression pneumatic control valve according to claim 1, characterized in that the preceding flap
(18) it is arranged between inlet (19) and valve chamber (6).
7. a kind of sleeve combination multilevel decompression pneumatic control valve according to claim 1, characterized in that pneumatic actuator
It (10) further include lower cooling fin (21) and upper cooling fin (22)；The lower cooling fin (21) is arranged under pneumatic actuator (10)
Cover board lower end；The upper cooling fin (22) is arranged in the upper cover plate upper end of pneumatic actuator (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821295206.1U CN208871070U (en) | 2018-08-13 | 2018-08-13 | A kind of sleeve combination multilevel decompression pneumatic control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821295206.1U CN208871070U (en) | 2018-08-13 | 2018-08-13 | A kind of sleeve combination multilevel decompression pneumatic control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208871070U true CN208871070U (en) | 2019-05-17 |
Family
ID=66464473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821295206.1U Expired - Fee Related CN208871070U (en) | 2018-08-13 | 2018-08-13 | A kind of sleeve combination multilevel decompression pneumatic control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208871070U (en) |
-
2018
- 2018-08-13 CN CN201821295206.1U patent/CN208871070U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190517 Termination date: 20190813 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |