CN210637577U - Zero-leakage high-pressure-difference cage type regulating valve - Google Patents
Zero-leakage high-pressure-difference cage type regulating valve Download PDFInfo
- Publication number
- CN210637577U CN210637577U CN201921812167.2U CN201921812167U CN210637577U CN 210637577 U CN210637577 U CN 210637577U CN 201921812167 U CN201921812167 U CN 201921812167U CN 210637577 U CN210637577 U CN 210637577U
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- Prior art keywords
- valve
- spring
- diaphragm
- valve body
- cover
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- Expired - Fee Related
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 238000012856 packing Methods 0.000 claims description 11
- 239000000945 filler Substances 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 238000012369 In process control Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010965 in-process control Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The utility model discloses a zero-leakage high-pressure-difference cage type regulating valve, which is characterized by comprising a valve body, a valve cover, a porous sleeve, a valve rod, a spring and a diaphragm; a porous sleeve is arranged in the valve body; a main valve core is arranged in the porous cylinder; a small valve core is arranged in the main valve core; a positioning spring is arranged outside the small valve core; a valve rod is arranged on the small valve core; the valve body end is provided with a valve cover; the valve body is connected with the valve cover through a bolt; the valve cover is provided with a bracket through bolt connection; the bracket is provided with a lower shell through bolt connection; the lower shell is provided with an upper shell; the upper shell is connected with the lower shell through a bolt; and a plurality of lifting rings are arranged on the bolts. The utility model discloses simple structure can the noise reduction, can zero leak sealed under the poor condition of high temperature, adjusts the precision height.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a valve technical field specifically indicates a zero leaks high pressure difference cage air-vent valve.
[ background of the invention ]
In industrial production, with continuous improvement of automation, the regulating valve is used as a terminal element in process control, is increasingly applied to various fields such as electric power, petrifaction and metallurgy, and is mainly used for controlling parameters such as pressure and flow of high-temperature media, however, in the current market, the defects that a sealing surface and a valve inner part are easy to damage and leak under the high-temperature-difference working condition of products generally exist, the service life is short, the regulating precision is poor, the noise is high, and the like are overcome.
[ summary of the invention ]
The utility model aims at solving the problem of the prior art and providing a zero leakage high pressure difference cage air-vent valve.
In order to achieve the above purpose, the utility model provides a following technical scheme: a zero-leakage high-pressure-difference cage type regulating valve is characterized by comprising a valve body, a valve cover, a porous sleeve, a valve rod, a spring and a diaphragm; an iron plate is welded outside the valve body; the iron plate is provided with a handle; a flange is arranged on the valve body; the flange is provided with a positioning groove, and a porous sleeve is arranged in the valve body; a main valve core is arranged in the porous sleeve; a small valve core is arranged in the main valve core; a positioning spring is arranged outside the small valve core; a valve rod is arranged on the small valve core; the upper end of the valve body is provided with a valve cover; the valve body is connected with the valve cover through a bolt; the valve cover is provided with a bracket through bolt connection; the bracket is provided with a lower shell through bolt connection; the lower shell is provided with an upper shell; the upper shell is connected with the lower shell through a bolt; and a plurality of lifting rings are arranged on the bolts.
Preferably, a packing groove is formed in the valve cover; a spring is arranged at the bottom of the packing groove; a spring gasket is arranged on the spring; the spring gasket is provided with a filler, and the filler is provided with a filler pressing plate; the packing pressing plate is connected with the valve cover through a bolt; reinforcing ribs are welded on two sides of the valve cover; and the ruler marks are arranged on the bracket.
Preferably, a diaphragm is arranged between the upper shell and the lower shell; a spring fixing plate is arranged on the diaphragm; a spring is arranged on the spring fixing plate; the lower end of the diaphragm is provided with a diaphragm plate; the valve rod is connected with the diaphragm and the spring fixing plate; the valve rod is fixed on the spring fixing plate through a nut.
The regulating valve is simple in structure, capable of reducing noise, capable of achieving zero leakage sealing under the condition of high temperature difference and high in regulating precision.
[ description of the drawings ]
Figure 1 is a schematic structural view of the present invention,
fig. 2 is a partial enlarged view of the position a of the present invention.
Fig. 3 is a schematic structural diagram of the bracket of the present invention.
Fig. 4 is a top view of the valve body of the present invention.
Fig. 5 is a partial enlarged view of the present invention at B.
Illustration of the drawings: 1, a valve body; 2 a porous sleeve; 3, a main valve core; 4, a small valve core; 5, positioning a spring; 6, a valve rod; 7, a valve cover; 8, a bracket; 9, marking with a ruler; 10 a lower shell; 11 an upper shell; 12 a spring fixing plate; 13 a diaphragm plate; 14 a membrane; 15 springs; 16 bolts; 17 hoisting rings; 18 nuts; 19 a packing groove; 20 a filler; 21 a packing press plate; 22 a spring washer; 23 reinforcing ribs; 24 iron plates; 25 a handle; 26 a flange; 27 locating the slot.
Detailed Description
The following description will be made with reference to the accompanying drawings.
As described in fig. 1 to 4, the zero-leakage high-pressure-difference cage type regulating valve of the present embodiment includes a valve body 1, a valve cover 7, a porous sleeve 2, a valve stem 6, a spring 15, and a diaphragm 14; a porous sleeve 2 is arranged in the valve body 1; a main valve core 3 is arranged in the porous cylinder sleeve 2; a small valve core 4 is arranged in the main valve core 3; a positioning spring 5 is arranged outside the small valve core 4; the small valve core 4 is provided with a valve rod 6; the upper end of the valve body 1 is provided with a valve cover 7; the valve body 1 is connected with the valve cover 7 through bolts; the valve cover 7 is provided with a bracket 8 through bolt connection; a lower shell 10 is connected and installed on the bracket 8 through a bolt; the lower shell 10 is provided with an upper shell 11; the upper shell 11 is connected with the lower shell 10 through bolts; a plurality of lifting rings 17 are arranged on the bolts 16; a packing groove 19 is formed in the valve cover 7; the spring 15 is arranged at the bottom of the packing groove 19; a spring washer 22 is arranged on the spring 15; the spring gasket 22 is provided with a filler 20, and the filler 20 is provided with a filler pressing plate 21; the packing pressing plate 21 is connected with the valve cover 7 through bolts; the ruler mark 9 is arranged on the bracket 8; a diaphragm 14 is arranged between the upper shell 11 and the lower shell 10; a spring fixing plate 12 is arranged on the diaphragm 14; a spring 15 is arranged on the spring fixing plate 12; the lower end of the diaphragm 14 is provided with a diaphragm plate 13; the valve rod 6 is connected with the diaphragm 14 and the spring fixing plate 12; the valve rod 6 is fixed on the spring fixing plate 12 through a nut.
The utility model discloses an operating process, at first the medium gets into through casing 10 down, because casing 10's pressure is greater than casing 11's pressure down, medium promotes diaphragm 14 and diaphragm 13 rebound, thereby make spring 15 shrink and spring fixed plate 12 rebound, then drive valve rod 6 and main valve core 3, little valve core 4 rebound, make valve body 1 be the state of opening at last, when medium from last casing 11 gets into, it is greater than casing 10 pressure down to go up casing 11 pressure, medium promotes spring fixed plate 12 rebound, spring 15 begins to open, then make diaphragm 14 and diaphragm 13 also rebound, thereby drive valve rod 6, main valve core 3 and little valve core 4 rebound, last valve body 1 is the state of closing.
The beneficial effects of the utility model are that the iron plate 24 and the handle 25 are welded on the side surface of the valve body 1, so that the valve body 1 is more convenient and labor-saving in assembly and transportation; the reinforcing rib 23 is welded on the valve cover 7, so that the valve cover 7 is convenient to mount in the mounting process, and the strength of the valve cover 7 is increased; the bracket 8 is added on the original basis through the bracket 8, so that the strength of the bracket 8 can be enhanced, and the bending of the valve rod 6 is prevented from being influenced in the process of re-operation; through adopting porous sleeve 2 in valve body 1, can let the medium pass through the aperture when flowing to reduce the velocity of flow of medium, can avoid the noise, prevent that the valve internals is damaged and leak, increase of service life.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (3)
1. A zero-leakage high-pressure-difference cage type regulating valve is characterized by comprising a valve body (1), a valve cover (7), a porous sleeve (2), a valve rod (6), a spring (15) and a diaphragm (14); an iron plate (24) is welded outside the valve body (1); a handle (25) is arranged on the iron plate (24); a flange (26) is arranged on the valve body (1); a positioning groove (27) is arranged on the flange (26); a porous sleeve (2) is arranged in the valve body (1); a main valve core (3) is arranged in the porous sleeve (2); a small valve core (4) is arranged in the main valve core (3); a positioning spring (5) is arranged outside the small valve core (4); a valve rod (6) is arranged on the small valve core (4); the upper end of the valve body (1) is provided with a valve cover (7); the valve body (1) is connected with the valve cover (7) through a bolt; the valve cover (7) is provided with a bracket (8) through bolt connection; a lower shell (10) is connected and installed on the bracket (8) through a bolt; an upper shell (11) is arranged on the lower shell (10); the upper shell (11) is connected with the lower shell (10) through a bolt (16); and a plurality of lifting rings (17) are arranged on the bolts (16).
2. A zero-leak, high differential pressure, cage valve according to claim 1, wherein: a packing groove (19) is arranged on the valve cover (7); the bottom of the packing groove (19) is provided with a spring (15); a spring gasket (22) is arranged on the spring (15); the spring gasket (22) is provided with a filler (20), and the filler (20) is provided with a filler pressing plate (21); the packing pressing plate (21) is connected with the valve cover (7) through bolts; reinforcing ribs (23) are welded on two sides of the valve cover (7); and a ruler mark (9) is arranged on the bracket (8).
3. A zero-leak, high differential pressure, cage valve according to claim 1, wherein: a diaphragm (14) is arranged between the upper shell (11) and the lower shell (10); a spring fixing plate (12) is arranged on the diaphragm (14); a spring (15) is arranged on the spring fixing plate (12); the lower end of the diaphragm (14) is provided with a diaphragm plate (13); the valve rod (6) is connected with the diaphragm (14) and the spring fixing plate (12); the valve rod (6) is fixed on the spring fixing plate (12) through a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921812167.2U CN210637577U (en) | 2019-10-26 | 2019-10-26 | Zero-leakage high-pressure-difference cage type regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921812167.2U CN210637577U (en) | 2019-10-26 | 2019-10-26 | Zero-leakage high-pressure-difference cage type regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210637577U true CN210637577U (en) | 2020-05-29 |
Family
ID=70797555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921812167.2U Expired - Fee Related CN210637577U (en) | 2019-10-26 | 2019-10-26 | Zero-leakage high-pressure-difference cage type regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210637577U (en) |
-
2019
- 2019-10-26 CN CN201921812167.2U patent/CN210637577U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200529 |