CN220102074U - Automatic reset double-regulation stop valve - Google Patents
Automatic reset double-regulation stop valve Download PDFInfo
- Publication number
- CN220102074U CN220102074U CN202321709112.5U CN202321709112U CN220102074U CN 220102074 U CN220102074 U CN 220102074U CN 202321709112 U CN202321709112 U CN 202321709112U CN 220102074 U CN220102074 U CN 220102074U
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- China
- Prior art keywords
- valve
- packing
- cage
- valve body
- valve rod
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- 239000002184 metal Substances 0.000 claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 claims abstract description 22
- 238000012856 packing Methods 0.000 claims abstract description 20
- 238000004804 winding Methods 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000945 filler Substances 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims 4
- 229910002804 graphite Inorganic materials 0.000 abstract description 6
- 239000010439 graphite Substances 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Details Of Valves (AREA)
Abstract
The utility model discloses an automatic reset double-regulation stop valve, which comprises a valve body, wherein a valve cage is arranged in the valve body, a valve core is arranged in the valve cage, the valve core is connected with a valve rod, an upper valve cover is arranged at the top end of the valve cage, a packing pad and packing are arranged in the middle of the valve rod, the packing is arranged on the packing pad, the outer side of the upper valve cover is fixedly connected with a bracket, a second hexagonal nut is arranged at the inner side of the valve rod, a pneumatic actuator is arranged at the top end of the bracket, the top end of the valve rod penetrates through the pneumatic actuator and is fixedly connected with the middle of a manual mechanism, and the valve body and the valve cage in the valve body can stably rotate through two groups of metal winding gasket structures, and the valve body and the valve cage can be made of a mixed material of 304 metals and graphite, so that corrosion is avoided, abrasion resistance is improved, and service time can be greatly prolonged compared with the existing structure.
Description
Technical Field
The utility model relates to the field of stop valves, in particular to an automatic reset double-regulation stop valve.
Background
The stop valve is also called a stop valve, and belongs to a forced sealing type valve, so that when the valve is closed, pressure is applied to a valve clack to force a sealing surface not to leak, and in order to prevent overflow of a pipeline, a stop valve with a reset double-regulating function is usually adopted nowadays, when the liquid exceeds a certain pressure, the liquid can be decompressed, and after the liquid pressure is normal, a reset spring in the stop valve can realize automatic closing of a decompression opening.
At present, the existing stop valve structure is simple in function and only plays a role in opening and closing, for example, a CN200920351292.8 integrated check stop valve is designed to improve tightness, and the problem of safety overflow after the pressure of a system pipeline exceeds a set pressure value is not solved.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides the automatic reset double-regulation stop valve, through the two groups of metal winding gasket structures, the valve body and the valve cage structure inside the valve body can stably rotate, and the mixed material of 304 metal and graphite is adopted, so that rust is avoided, the wear resistance is improved, and compared with the existing structure, the service life can be greatly prolonged.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides an automatic two stop valves that adjust that reset, includes the valve body, the inside of valve body is provided with the valve cage, the inside of valve cage is provided with the case, the inside and the valve rod of case are connected, the top of valve cage is provided with the valve gap, the middle part of valve rod is provided with filler pad and filler, the filler sets up in the filler pad, the outside and the support fixed connection of upper valve gap, the valve rod is arranged in the support inboard and is provided with the second hexagon nut, the top of support is provided with pneumatic actuator, pneumatic actuator and manual mechanism's middle part fixed connection are run through on the top of valve rod.
As a preferable technical scheme of the utility model, a first metal winding gasket is arranged between the valve body and the valve cage, and an O-shaped ring is arranged between the valve core and the valve rod.
As a preferable technical scheme of the utility model, a first hexagonal nut and a double-end stud are arranged between the upper valve cover and the valve body, a second metal winding gasket is arranged between the upper valve cover and the inner side of the valve body, and two groups of O-shaped rings are arranged in parallel.
As a preferable technical scheme of the utility model, a round nut is arranged on the inner side of the bottom end of the support, a packing pressing sleeve is arranged on the inner side of the valve rod, and a dust ring is arranged on the inner side of the packing pressing sleeve.
As a preferable technical scheme of the utility model, the first metal winding gasket and the second metal winding gasket are both made of 304 metal and graphite mixed materials.
As a preferable technical scheme of the utility model, the filler pad is of a graphite structure, and the dust ring is of DHS-shaped polyurethane material.
Compared with the prior art, the utility model has the following beneficial effects:
in this device, through two sets of metal winding gasket structures that set up, its inside valve body and valve cage structure can carry out stable rotation, and adopts 304 metal and graphite's mixed material, avoids corrosion to improve the wearability, compare with current structure, can increase substantially the extension live time.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a cross-sectional view of the structure of the present utility model.
Wherein: 1. a valve body; 2. a first metal winding gasket; 3. a valve cage; 4. a valve core; 5. an O-ring; 6. a valve stem; 7. a second metal winding gasket; 8. an upper valve cover; 9. a first hex nut; 10. a double-ended stud; 11. a filler pad; 12. a filler; 13. a round nut; 14. packing pressing sleeve; 15. a dust ring; 16. a second hex nut; 17. a bracket; 18. a pneumatic actuator; 19. a manual mechanism.
Detailed Description
In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.
Examples:
as shown in fig. 1-2, the utility model provides an automatic reset double-regulation stop valve, which comprises a valve body 1, wherein a valve cage 3 is arranged in the valve body 1, a valve core 4 is arranged in the valve cage 3, the valve core 4 is connected with a valve rod 6, an upper valve cover 8 is arranged at the top end of the valve cage 3, a packing pad 11 and a packing 12 are arranged in the middle of the valve rod 6, the packing 12 is arranged on the packing pad 11, the outer side of the upper valve cover 8 is fixedly connected with a support 17, the valve rod 6 is arranged at the inner side of the support 17 and provided with a second hexagonal nut 16, a pneumatic actuator 18 is arranged at the top end of the support 17, and the top end of the valve rod 6 penetrates through the pneumatic actuator 18 and is fixedly connected with the middle of a manual mechanism 19.
In other embodiments, a first metal winding gasket 2 is disposed between the valve body 1 and the cage 3, and an O-ring 5 is disposed between the valve core 4 and the valve stem 6.
In other embodiments, a first hexagonal nut 9 and a double-end stud 10 are arranged between the upper valve cover 8 and the valve body 1, two groups of second metal winding gaskets 7,O are arranged in parallel between the upper valve cover 8 and the inner side of the valve body 1, round nuts 13 are arranged on the inner side of the bottom end of a bracket 17, a packing pressing sleeve 14 is arranged on the inner side of the valve rod 6, a dust ring 15 is arranged on the inner side of the packing pressing sleeve 14, the first metal winding gaskets 2 and the second metal winding gaskets 7 are both made of 304 metal and graphite mixed materials, the packing gasket 11 is of a graphite structure, and the dust ring 15 is made of DHS-shaped polyurethane materials; through two sets of metal winding gasket structures that set up, the valve body 1 of its inside and valve cage 3 structure can carry out stable rotation, and adopts 304 metal and graphite's mixed material, avoids corrosion to improve the wearability, compare with current structure, can increase substantially the extension live time.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. Automatic two governing stop valves that reset, including valve body (1), its characterized in that: the inside of valve body (1) is provided with valve cage (3), the inside of valve cage (3) is provided with case (4), the inside and the valve rod (6) of case (4) are connected, the top of valve cage (3) is provided with valve gap (8), the middle part of valve rod (6) is provided with packing pad (11) and packing (12), packing (12) set up in packing pad (11), the outside and support (17) fixed connection of valve gap (8) go up, valve rod (6) are arranged in the inboard second hexagon nut (16) that is provided with of support (17), the top of support (17) is provided with pneumatic actuator (18), the top of valve rod (6) runs through pneumatic actuator (18) and the middle part fixed connection of manual mechanism (19).
2. The automatic reset dual regulation shutoff valve of claim 1, wherein: a first metal winding gasket (2) is arranged between the valve body (1) and the valve cage (3), and an O-shaped ring (5) is arranged between the valve core (4) and the valve rod (6).
3. The automatic reset dual regulation shutoff valve of claim 2, wherein: a first hexagonal nut (9) and a double-end stud (10) are arranged between the upper valve cover (8) and the valve body (1), a second metal winding gasket (7) is arranged between the upper valve cover (8) and the inner side of the valve body (1), and two groups of O-shaped rings (5) are arranged in parallel.
4. The automatic reset dual regulation shutoff valve of claim 1, wherein: the inner side of the bottom end of the support (17) is provided with a round nut (13), the inner side of the valve rod (6) is provided with a packing pressing sleeve (14), and the inner side of the packing pressing sleeve (14) is provided with a dust-proof ring (15).
5. The automatic reset dual regulation shutoff valve of claim 4, wherein: the filler pad (11) is of a graphite structure, and the dust ring (15) is made of DHS-shaped polyurethane material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321709112.5U CN220102074U (en) | 2023-06-30 | 2023-06-30 | Automatic reset double-regulation stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321709112.5U CN220102074U (en) | 2023-06-30 | 2023-06-30 | Automatic reset double-regulation stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220102074U true CN220102074U (en) | 2023-11-28 |
Family
ID=88844061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321709112.5U Active CN220102074U (en) | 2023-06-30 | 2023-06-30 | Automatic reset double-regulation stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220102074U (en) |
-
2023
- 2023-06-30 CN CN202321709112.5U patent/CN220102074U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |