CN215721202U - Pneumatic control valve with step-by-step pressure reduction function - Google Patents
Pneumatic control valve with step-by-step pressure reduction function Download PDFInfo
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- CN215721202U CN215721202U CN202121643972.4U CN202121643972U CN215721202U CN 215721202 U CN215721202 U CN 215721202U CN 202121643972 U CN202121643972 U CN 202121643972U CN 215721202 U CN215721202 U CN 215721202U
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Abstract
The utility model provides a pneumatic regulating valve with step-by-step pressure reduction, and relates to the technical field of regulating valves. This pneumatic control valve with step-by-step decompression includes valve body and valve clack, inside sleeve and the throttle section of thick bamboo of being provided with of valve body, the inside inner chamber of having seted up of valve body, the inside integration processing of sleeve is the multilayer, a plurality of apopores have been seted up to the sleeve lateral wall, a plurality of inlet openings have been seted up to the throttle section of thick bamboo lateral wall, valve clack sliding connection is inside the sleeve, the inside hydrophobic hole of having seted up of valve clack, a plurality of limbers have been seted up to valve clack inside, it is a plurality of the limbers all are linked together with hydrophobic hole. This pneumatic control valve fluid with decompress step by step piles up at the top of valve clack to the effort that produces and the fluid effort of valve clack bottom offset each other, eliminated the power that the valve clack received, and have the damping action, cushion, be applicable to the great environment of pressure differential, improve life.
Description
Technical Field
The utility model relates to a regulating valve, in particular to a pneumatic regulating valve with step-by-step pressure reduction, and belongs to the technical field of regulating valves.
Background
The pneumatic control valve uses compressed gas as a power source, uses a cylinder as an actuator, drives a valve by means of accessories such as a valve positioner, a converter, an electromagnetic valve, a position-retaining valve, a gas storage tank, a gas filter and the like, realizes switching value or proportional regulation, and receives a control signal of an industrial automatic control system to complete the regulation of a pipeline medium: flow, pressure, temperature, liquid level, etc. The pneumatic regulating valve has the characteristics of simple control, quick response and intrinsic safety, and no additional explosion-proof measures are needed.
However, when the existing pneumatic regulating valve is used, if the fluid pressure is too large, large impact force can be generated on the valve clack, the ground pressure of the valve clack is large, the tops of the two valve clacks are supported by the valve rod, the valve rod is easily damaged, the service life of the valve rod is shortened, and when fluid circulates, the impact force is too large and pressure reduction is needed.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The present invention is directed to provide a pneumatic control valve with gradual pressure reduction, so as to solve the problems that when the pneumatic control valve in the prior art is used, if the fluid pressure is too high, a large impact force is generated on a valve flap, the step pressure of the valve flap is large, the tops of two valve flaps are abutted by a valve rod, the valve rod is easily damaged, the service life of the valve rod is shortened, and when the fluid flows, the impact force is too large, and pressure reduction is required.
(II) technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a pneumatic control valve with step-by-step decompression, includes valve body and valve clack, inside sleeve and the throttle section of thick bamboo of being provided with of valve body, the inside inner chamber of having seted up of valve body, sleeve fixed connection is inside the valve body, throttle section of thick bamboo fixed connection and sleeve bottom, the inside integration processing of sleeve is the multilayer, a plurality of apopores have been seted up to the sleeve lateral wall, a plurality of inlet openings have been seted up to throttle section of thick bamboo lateral wall, valve clack sliding connection is inside the sleeve, the inside hydrophobic pore of having seted up of valve clack, a plurality of limbers have been seted up to valve clack inside, and is a plurality of the limbers all are linked together with hydrophobic pore.
Preferably, valve clack top fixedly connected with valve rod, the valve rod run through the valve body top and with valve body sliding connection, the inside top fixedly connected with sealing washer of valve body seals the ponding at valve clack top, improves sealed effect.
Preferably, a valve seat is integrally processed in the valve body, the bottom of the sleeve is clamped with the valve seat, and the valve clack is matched with the top of the throttling sleeve to support the sleeve, so that the stability is improved.
Preferably, valve body top fixedly connected with mount, mount top fixedly connected with fixing base, fixing base top fixedly connected with membrane lid stores compressed gas, and release gas drives the sealing washer and removes to drive the valve clack and remove.
Preferably, the inside fixedly connected with diaphragm of membrane lid, the inside bottom fixedly connected with a plurality of springs of membrane lid, spring top fixedly connected with membrane dish, diaphragm and membrane dish top fixed connection drive membrane dish and diaphragm and rise to drive the slide bar and rise.
Preferably, valve rod top fixedly connected with slide bar, the slide bar run through fixing base and membrane lid and with fixing base and membrane lid sliding connection, the slide bar run through the membrane dish and with membrane dish fixed connection, the slide bar drives the valve rod and rises, and the valve rod drives the valve clack and rises.
Preferably, the welding of valve body one side has the input tube, the welding of valve body opposite side has the output tube, the equal fixedly connected with ring flange of input tube and output tube one end, the convenience is fixed the valve body.
The utility model provides a pneumatic regulating valve with step-by-step pressure reduction, which has the following beneficial effects:
1. this pneumatic control valve with decompress step by step passes through the inside input fluid of input tube, and the inlet opening that the fluid was seted up from throttle section of thick bamboo lateral wall is inside to be passed through, the impact force of throttle section of thick bamboo adversary buffers, when the valve clack is in the whereabouts position, the fluid flows to inside the limbers from the inside hydrophobic hole of valve clack, flow to the valve clack top from inside the limbers again, the fluid is piled up at the top of valve clack, and the effort that produces offsets each other with the fluid effort of valve clack bottom, the power that the valve clack received has been eliminated, and have the damping effect, buffer, be applicable to the great environment of pressure differential, and service life is prolonged.
2. This pneumatic control valve with decompress step by step when the valve clack is in upper position, the apopore circulation of seting up on the inside multilayer inner wall of sleeve is passed through to the fluid, and the impact force to the fluid further cushions, and the compressing fluid can effectual counterbalance noise.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a side cross-sectional view of the present invention;
FIG. 3 is a schematic structural view of the sleeve of the present invention;
FIG. 4 is an enlarged view of the portion A of FIG. 2 according to the present invention.
In the figure: 1. a valve body; 2. an inner cavity; 3. a sleeve; 4. a throttle cylinder; 5. a water outlet hole; 6. a water inlet hole; 7. a valve seat; 8. a valve flap; 9. a hydrophobic pore; 10. a water through hole; 11. a valve stem; 12. a seal ring; 13. a fixed mount; 14. a fixed seat; 15. a membrane cover; 16. a membrane disc; 17. a spring; 18. a membrane; 19. a slide bar; 20. an input tube; 21. an output pipe; 22. a flange plate.
Detailed Description
The embodiment of the utility model provides a pneumatic regulating valve with step-by-step pressure reduction.
Please refer to fig. 1, fig. 2, fig. 3 and fig. 4, including valve body 1 and valve clack 8, the welding of 1 one side of valve body has input tube 20, the welding of 1 opposite side of valve body has output tube 21, equal fixedly connected with ring flange 22 of input tube 20 and output tube 21 one end, conveniently fix valve body 1, the inside sleeve 3 and the throttle section of thick bamboo 4 that is provided with of valve body 1, inner chamber 2 has been seted up to 1 inside of valve body, sleeve 3 fixed connection is inside 1 of valve body, 4 fixed connection and the sleeve 3 bottoms of throttle section of thick bamboo, the inside integrated processing of sleeve 3 is the multilayer, a plurality of apopores 5 have been seted up to 3 lateral walls of sleeve, a plurality of inlet openings 6 have been seted up to 4 lateral walls of throttle section of thick bamboo, 8 sliding connection of valve clack is inside 3, hydrophobic hole 9 has been seted up to 8 insides of valve clack, a plurality of limbers 10 have all been linked together with hydrophobic hole 9 to valve clack 8.
Valve clack 8 top fixedly connected with valve rod 11, valve rod 11 run through 1 top of valve body and with 1 sliding connection of valve body, 1 inside top fixedly connected with sealing washer 12 of valve body seals the ponding at valve clack 8 top, improves sealed effect, 1 inside integrated processing of valve body has disk seat 7, 3 bottoms of sleeve and 7 mutual blocks of disk seat, valve clack 8 and 4 top looks adaptations of a throttle section of thick bamboo support sleeve 3, stability is improved
When the utility model is used: through the inside input fluid of input tube 20, and the inside water inlet 6 that the fluid was seted up from throttle cylinder 4 lateral wall passes through, the impact force of throttle cylinder 4 fluid cushions, when valve clack 8 was in the whereabouts position, the fluid flows to inside limbers 10 from inside hydrophobic hole 9 of valve clack 8, flow to valve clack 8 top from inside limbers 10 again, the fluid is piled up at valve clack 8's top, and the effort that produces offsets each other with the fluid effort of valve clack 8 bottom, the power that valve clack 8 received has been eliminated, and have the damping effect, cushion, be applicable to the great environment of pressure differential, and service life is prolonged.
Specifically, when valve clack 8 was in upper position, the apopore 5 circulation of seting up on the multilayer inner wall of fluid through the inside multilayer of sleeve 3, further cushioned the impact force of fluid, and the compressing fluid can effectual counterbalance noise.
Referring to fig. 1, 2, 3 and 4 again, a fixing frame 13 is fixedly connected to the top of the valve body 1, a fixing seat 14 is fixedly connected to the top of the fixing frame 13, a membrane cover 15 is fixedly connected to the top of the fixing seat 14, compressed gas is stored, and released gas drives the sealing ring 12 to move, so that the valve flap 8 is driven to move, a membrane 18 is fixedly connected to the inside of the membrane cover 15, a plurality of springs 17 are fixedly connected to the bottom end of the inside of the membrane cover 15, a membrane disc 16 is fixedly connected to the top of each spring 17, and the membrane 18 is fixedly connected to the top of the membrane disc 16, so that the membrane disc 16 and the membrane 18 are driven to ascend, and accordingly the slide rod 19 is driven to ascend.
The top end of the valve rod 11 is fixedly connected with a slide rod 19, the slide rod 19 penetrates through the fixed seat 14 and the membrane cover 15 and is in sliding connection with the fixed seat 14 and the membrane cover 15, the slide rod 19 penetrates through the membrane disc 16 and is fixedly connected with the membrane disc 16, the slide rod 19 drives the valve rod 11 to ascend, and the valve rod 11 drives the valve clack 8 to ascend.
When the utility model is used: the position of the membrane disc 16 is adjusted to drive the sliding rod 19 to move, the sliding rod 19 drives the valve rod 11 to move, and the valve rod 11 drives the valve clack 8 to move, so that the flow rate can be adjusted conveniently.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a pneumatic control valve with decompress step by step, includes valve body (1) and valve clack (8), its characterized in that: the improved water-saving valve is characterized in that a sleeve (3) and a throttling cylinder (4) are arranged inside the valve body (1), an inner cavity (2) is formed inside the valve body (1), the sleeve (3) is fixedly connected inside the valve body (1), the throttling cylinder (4) is fixedly connected with the bottom of the sleeve (3), the sleeve (3) is integrally processed into a plurality of layers, a plurality of water outlet holes (5) are formed in the side wall of the sleeve (3), a plurality of water inlet holes (6) are formed in the side wall of the throttling cylinder (4), a valve clack (8) is slidably connected inside the sleeve (3), a drain hole (9) is formed inside the valve clack (8), a plurality of water through holes (10) are formed inside the valve clack (8), and the water through holes (10) are communicated with the drain hole (9).
2. A pneumatic regulator valve having progressive pressure reduction according to claim 1, wherein: valve clack (8) top fixedly connected with valve rod (11), valve rod (11) run through valve body (1) top and with valve body (1) sliding connection, valve body (1) inside top fixedly connected with sealing washer (12).
3. A pneumatic regulator valve having progressive pressure reduction according to claim 1, wherein: valve seat (7) are integrally processed in valve body (1), sleeve (3) bottom and valve seat (7) block each other, valve clack (8) and throttling cylinder (4) top looks adaptation.
4. A pneumatic regulator valve having progressive pressure reduction according to claim 1, wherein: the valve body (1) top fixedly connected with mount (13), mount (13) top fixedly connected with fixing base (14), fixing base (14) top fixedly connected with membrane lid (15).
5. A pneumatic regulator valve with progressive pressure reduction according to claim 4, wherein: the utility model discloses a membrane dish, including membrane lid (15), membrane lid (15) inside fixedly connected with diaphragm (18), a plurality of springs (17) of the inside bottom fixedly connected with of membrane lid (15), spring (17) top fixedly connected with membrane dish (16), diaphragm (18) and membrane dish (16) top fixed connection.
6. A pneumatic regulator valve having progressive pressure reduction according to claim 2, wherein: valve rod (11) top fixedly connected with slide bar (19), slide bar (19) run through fixing base (14) and membrane lid (15) and with fixing base (14) and membrane lid (15) sliding connection, slide bar (19) run through membrane dish (16) and with membrane dish (16) fixed connection.
7. A pneumatic regulator valve having progressive pressure reduction according to claim 1, wherein: the valve is characterized in that an input pipe (20) is welded on one side of the valve body (1), an output pipe (21) is welded on the other side of the valve body (1), and a flange plate (22) is fixedly connected to one ends of the input pipe (20) and the output pipe (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121643972.4U CN215721202U (en) | 2021-07-20 | 2021-07-20 | Pneumatic control valve with step-by-step pressure reduction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121643972.4U CN215721202U (en) | 2021-07-20 | 2021-07-20 | Pneumatic control valve with step-by-step pressure reduction function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215721202U true CN215721202U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121643972.4U Active CN215721202U (en) | 2021-07-20 | 2021-07-20 | Pneumatic control valve with step-by-step pressure reduction function |
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| CN (1) | CN215721202U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117090992A (en) * | 2023-10-20 | 2023-11-21 | 山东天成阀门制造有限公司 | Pneumatic stop valve |
-
2021
- 2021-07-20 CN CN202121643972.4U patent/CN215721202U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117090992A (en) * | 2023-10-20 | 2023-11-21 | 山东天成阀门制造有限公司 | Pneumatic stop valve |
| CN117090992B (en) * | 2023-10-20 | 2024-01-16 | 山东天成阀门制造有限公司 | Pneumatic stop valve |
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