CN219911929U - High-pressure scouring-resistant eccentric rotary ball valve - Google Patents
High-pressure scouring-resistant eccentric rotary ball valve Download PDFInfo
- Publication number
- CN219911929U CN219911929U CN202321271943.9U CN202321271943U CN219911929U CN 219911929 U CN219911929 U CN 219911929U CN 202321271943 U CN202321271943 U CN 202321271943U CN 219911929 U CN219911929 U CN 219911929U
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- Prior art keywords
- valve
- valve rod
- eccentric rotary
- rotary ball
- pressing plate
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- 238000009991 scouring Methods 0.000 title abstract description 17
- 238000012856 packing Methods 0.000 claims description 41
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 239000000945 filler Substances 0.000 claims description 10
- 229910002804 graphite Inorganic materials 0.000 claims description 10
- 239000010439 graphite Substances 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 7
- 230000004927 fusion Effects 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 230000003628 erosive effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 7
- 238000007789 sealing Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Taps Or Cocks (AREA)
Abstract
The utility model discloses a high-pressure scouring-resistant eccentric rotary ball valve, which relates to the technical field of eccentric rotary ball valves, and aims at solving the problems that the existing eccentric rotary ball valve can only deal with common and slightly severe working conditions, a valve core, a valve seat and a valve rod can be seriously scoured under the condition that a medium contains high granularity and high pressure, the service life of the eccentric rotary ball valve is short, the use cost is increased intangibly, and the use effect is not ideal. The utility model has reasonable design, simple structure, good scouring resistance effect, no jamming, long service life, convenient disassembly during maintenance, good use effect, wide application range and popularization and application value.
Description
Technical Field
The utility model relates to the technical field of eccentric rotary ball valves, in particular to a high-pressure scouring-resistant eccentric rotary ball valve.
Background
The eccentric rotary ball valve is a valve type and is characterized in that a valve core is axially offset from the center, so that the valve has larger flow adjusting capacity and self-cleaning function when being opened and closed. It is generally used in high viscosity media, slurries and other on-off control applications with easily scaled and easily crystallisable materials.
However, the existing eccentric rotary ball valve can only deal with common and slightly severe working conditions, and under the condition that the medium contains high granularity and high pressure, the valve core, the valve seat and the valve rod can be seriously flushed, so that the service life of the eccentric rotary ball valve is short, the use cost is increased intangibly, and the use effect is not ideal.
Disclosure of Invention
The utility model aims to solve the problems that the existing eccentric rotary ball valve can only deal with common and slightly bad working conditions, under the condition that a medium contains high granularity and high pressure, a valve core, a valve seat and a valve rod can be seriously scoured, the service life of the eccentric rotary ball valve is short, the use cost is increased intangibly, and the use effect is not ideal, and the high-pressure scour-resistant eccentric rotary ball valve is provided.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the high-pressure scouring-resistant eccentric rotary ball valve comprises a valve body, wherein a valve seat is arranged in the valve body, a second pressing disc is arranged on one side of the valve seat, a first screw is arranged in the second pressing disc, a first pressing disc is arranged on one side of the second pressing disc, the first pressing disc is connected with the second pressing disc through the first screw, a support is arranged on the outer side of the valve body through the second screw, a bottom cover plate is arranged on the outer side of the valve body through a third screw, an upper valve rod is rotatably arranged in the support, a lower valve rod is rotatably arranged in the bottom cover plate, one end, close to each other, of the upper valve rod and the lower valve rod is provided with the same valve core, a valve core positioning key is arranged on the valve core, a valve core fixing pin is clamped on the valve core positioning key, and the upper valve rod and the lower valve rod are mutually clamped through corresponding valve core fixing pins;
the novel packing machine is characterized in that a packing stud is fixedly arranged on the support, a packing pressing plate is sleeved on the packing stud in a sliding mode, a first nut is connected to the packing stud in a threaded mode, the first nut is in contact with the packing pressing plate, and the upper valve rod is rotatably arranged with the packing pressing plate.
In a preferred embodiment, the valve body is provided with a circular groove, a first packing pad is fixedly arranged on the inner wall of the bottom of the circular groove, a graphite packing layer is fixedly arranged on the inner wall of the circular groove, the first packing pad is contacted with the graphite packing layer, the upper valve rod is rotatably arranged on the graphite packing layer, a second packing pad is arranged on the support, the upper valve rod is rotatably arranged on the second packing pad, and the packing pressing plate is contacted with the second packing pad.
In a preferred embodiment, the upper valve rod is fixedly sleeved with an inner ring of a first bearing, an outer ring of the first bearing is fixedly arranged with the bracket, the lower valve rod is fixedly sleeved with an inner ring of a second bearing, and the outer ring of the second bearing is fixedly arranged with the bottom cover plate.
In a preferred embodiment, the valve body is provided with a placement groove, a metal winding pad is arranged on the inner wall of the placement groove, and the bottom cover plate is in contact with the metal winding pad.
In a preferred embodiment, the upper valve rod is connected to an auxiliary shaft by a second nut.
In a preferred embodiment, cemented carbide fusion layers are provided on the first pressure plate, the second pressure plate, the valve seat, the valve core, the upper valve rod, the lower valve rod and the inner wall of the valve body.
According to the high-pressure scouring-resistant eccentric rotary ball valve, the valve body is arranged at a designated position in use, when material medium circulation is needed, the upper valve rod is driven to rotate, the valve core is driven to rotate by rotation of the upper valve rod, and the lower valve rod is driven to rotate by rotation of the valve core, so that the effect of material medium circulation is realized;
according to the high-pressure scouring-resistant eccentric rotary ball valve, the hard alloy fusion layer is arranged on the first pressure plate, namely at the material medium inlet, and meanwhile, when a medium flows into the valve from a pipeline in a venturi (horn mouth) mode, the scouring of the medium to edges and corners is reduced, meanwhile, the stable pressure inflow is realized, and the damage to the sealing performance of the valve caused by sudden high and low pressure is reduced; the valve core is installed and fixed by adopting the upper valve rod and the lower valve rod, so that the flow passage of the valve is completely yielded, the internal resistance of the valve body is reduced, and a medium can rapidly pass through the flow passage after the valve core is opened, thereby reducing the scouring of the medium to an inner part; the first bearing and the second bearing are arranged, so that the rotation of the upper valve rod is more labor-saving;
the utility model has reasonable design, simple structure, good scouring resistance effect, no jamming, long service life, convenient disassembly during maintenance, good use effect, wide application range and popularization and application value.
Drawings
FIG. 1 is a schematic perspective view of a high-pressure anti-scouring eccentric rotary ball valve according to the present utility model;
FIG. 2 is a schematic perspective view of a high-pressure anti-scouring eccentric rotary ball valve according to the present utility model;
FIG. 3 is a schematic cross-sectional view of a high pressure erosion resistant eccentric rotary ball valve according to the present utility model;
fig. 4 is a schematic cross-sectional view of a high-pressure anti-scouring eccentric rotary ball valve according to the present utility model.
In the figure: 1. a valve body; 2. a first platen; 3. a first screw; 4. a second platen; 5. a valve seat; 6. a valve core; 7. a valve core positioning key; 8. a valve core fixing pin; 9. an upper valve rod; 10. a first filler liner; 11. a graphite filler layer; 12. a bracket; 13. a second filler liner; 14. a filler stud; 15. a packing pressing plate; 16. a second screw; 17. a first nut; 18. a first bearing; 19. a second nut; 20. a lower valve rod; 21. a metal wrap pad; 22. a second bearing; 23. a third screw; 24. a bottom cover plate; 25. and (5) a cemented carbide fusion layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, one embodiment of the present solution provides: the high-pressure scouring-resistant eccentric rotary ball valve comprises a valve body 1, wherein a valve seat 5 is arranged in the valve body 1, a second pressure plate 4 is arranged on one side of the valve seat 5, a first screw 3 is arranged in the second pressure plate 4, a first pressure plate 2 is arranged on one side of the second pressure plate 4, the first pressure plate 2 is connected with the second pressure plate 4 through the first screw 3, a bracket 12 is arranged on the outer side of the valve body 1 through a second screw 16, a bottom cover plate 24 is arranged on the outer side of the valve body 1 through a third screw 23, an upper valve rod 9 is rotationally arranged on the bracket 12, a lower valve rod 20 is rotationally arranged on the bottom cover plate 24, one end, close to each other, of the upper valve rod 9 and the lower valve rod 20 is provided with a same valve core 6, a valve core positioning key 7 is arranged on the valve core positioning key 7, and a valve core fixing pin 8 is clamped with the upper valve rod 9 and the lower valve rod 20 through corresponding valve core fixing pins 8 and the valve core 6;
the support 12 is fixedly provided with a packing stud 14, a packing pressing plate 15 is sleeved on the packing stud 14 in a sliding mode, a first nut 17 is connected to the packing stud 14 in a threaded mode, the first nut 17 is in contact with the packing pressing plate 15, and the upper valve rod 9 and the packing pressing plate 15 are arranged in a rotating mode.
Referring to fig. 3, in this embodiment, a circular groove is formed in the valve body 1, a first packing pad 10 is fixedly disposed on an inner wall of a bottom portion of the circular groove, a graphite packing layer 11 is fixedly disposed on an inner wall of the circular groove, the first packing pad 10 contacts with the graphite packing layer 11, an upper valve rod 9 is rotatably disposed on the graphite packing layer 11, a second packing pad 13 is disposed on a support 12, the upper valve rod 9 is rotatably disposed on the second packing pad 13, and a packing pressing plate 15 contacts with the second packing pad 13, so that stability of rotation of the upper valve rod 9 is improved.
Referring to fig. 3, in this embodiment, an inner ring of the first bearing 18 is fixedly sleeved on the upper valve rod 9, an outer ring of the first bearing 18 is fixedly arranged with the bracket 12, an inner ring of the second bearing 22 is fixedly sleeved on the lower valve rod 20, and an outer ring of the second bearing 22 is fixedly arranged with the bottom cover plate 24, so that the rotation of the lower valve rod 20 is more stable.
Referring to fig. 3, in the present embodiment, a placement groove is formed on the valve body 1, a metal winding pad 21 is disposed on an inner wall of the placement groove, and the bottom cover plate 24 contacts with the metal winding pad 21, so that sealing capability between the bottom cover plate 24 and the valve body 1 is improved.
Referring to fig. 3, in this embodiment, an auxiliary shaft is connected to the upper valve rod 9 through a second nut 19, so as to facilitate the rotation of the valve core 6.
Referring to fig. 4, in this embodiment, cemented carbide fusion layers 25 are disposed on the first pressure plate 2, the second pressure plate 4, the valve seat 5, the valve core 6, the upper valve rod 9, the lower valve rod 20 and the inner wall of the valve body 1, so that the scouring resistance is improved, and the service life is prolonged.
The working principle is that the valve body 1 is arranged at a designated position when in use, when a material medium is required to circulate, the upper valve rod 9 is driven to rotate, the valve core 6 is driven to rotate by the rotation of the upper valve rod 9, the lower valve rod 20 is driven to rotate by the rotation of the valve core 6, the material medium circulation effect is realized, the hard alloy fusion layer is arranged on the first pressure plate 2, namely at the material medium inlet, and meanwhile, when the medium flows into the valve from a pipeline in a venturi (horn mouth) mode, the pressure inflow is stabilized while the angular flushing caused by the medium is reduced, and the damage to the sealing performance of the valve caused by the pressure fluctuation is reduced; the valve core 6 is installed and fixed by adopting the upper valve rod 9 and the lower valve rod 20, so that the flow passage of the valve is completely yielded, the internal resistance of the valve body 1 is reduced, and a medium can rapidly pass through the flow passage after the valve core 6 is opened, thereby reducing the scouring of the medium to an inner part; by providing the first bearing 18 and the second bearing 22, the rotation of the upper valve stem 9 is made more labor-saving.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (6)
1. A high pressure erosion resistant eccentric rotary ball valve comprising:
the valve comprises a valve body (1), wherein a valve seat (5) is arranged in the valve body (1), a second pressing plate (4) is arranged on one side of the valve seat (5), a first screw (3) is arranged in the second pressing plate (4), a first pressing plate (2) is arranged on one side of the second pressing plate (4), the first pressing plate (2) is connected with the second pressing plate (4) through the first screw (3), a support (12) is arranged on the outer side of the valve body (1) through a second screw (16), a bottom cover plate (24) is arranged on the outer side of the valve body (1) through a third screw (23), an upper valve rod (9) is rotationally arranged on the support (12), a lower valve rod (20) is rotationally arranged in the bottom cover plate (24), one end, close to each other, of the upper valve rod (9) and the lower valve rod (20) is provided with the same valve core (6), a valve core positioning key (7) is provided with a valve core fixing pin (8), and the upper valve rod (9) and the lower valve rod (20) are correspondingly provided with the valve core (8) through the valve core fixing pin;
the novel valve is characterized in that a filler stud (14) is fixedly arranged on the support (12), a filler pressing plate (15) is sleeved on the filler stud (14) in a sliding mode, a first nut (17) is connected to the filler stud (14) in a threaded mode, the first nut (17) is in contact with the filler pressing plate (15), and the upper valve rod (9) is rotatably arranged with the filler pressing plate (15).
2. The high pressure flush resistant eccentric rotary ball valve as in claim 1 wherein: the valve is characterized in that a round groove is formed in the valve body (1), a first packing pad (10) is fixedly arranged on the inner wall of the bottom of the round groove, a graphite packing layer (11) is fixedly arranged on the inner wall of the round groove, the first packing pad (10) is in contact with the graphite packing layer (11), an upper valve rod (9) is rotatably arranged on the graphite packing layer (11), a second packing pad (13) is arranged on the support (12), the upper valve rod (9) is rotatably arranged on the second packing pad (13), and a packing pressing plate (15) is in contact with the second packing pad (13).
3. The high pressure flush resistant eccentric rotary ball valve as in claim 1 wherein: the upper valve rod (9) is fixedly sleeved with an inner ring of a first bearing (18), an outer ring of the first bearing (18) is fixedly arranged with the support (12), the lower valve rod (20) is fixedly sleeved with an inner ring of a second bearing (22), and an outer ring of the second bearing (22) is fixedly arranged with the bottom cover plate (24).
4. The high pressure flush resistant eccentric rotary ball valve as in claim 1 wherein: the valve body (1) is provided with a placing groove, the inner wall of the placing groove is provided with a metal winding pad (21), and the bottom cover plate (24) is contacted with the metal winding pad (21).
5. The high pressure flush resistant eccentric rotary ball valve as in claim 1 wherein: the upper valve rod (9) is connected with an auxiliary shaft through a second nut (19).
6. The high pressure flush resistant eccentric rotary ball valve as in claim 1 wherein: the hard alloy fusion layer (25) is arranged on the first pressure plate (2), the second pressure plate (4), the valve seat (5), the valve core (6), the upper valve rod (9), the lower valve rod (20) and the inner wall of the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321271943.9U CN219911929U (en) | 2023-05-24 | 2023-05-24 | High-pressure scouring-resistant eccentric rotary ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321271943.9U CN219911929U (en) | 2023-05-24 | 2023-05-24 | High-pressure scouring-resistant eccentric rotary ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219911929U true CN219911929U (en) | 2023-10-27 |
Family
ID=88438937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321271943.9U Active CN219911929U (en) | 2023-05-24 | 2023-05-24 | High-pressure scouring-resistant eccentric rotary ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219911929U (en) |
-
2023
- 2023-05-24 CN CN202321271943.9U patent/CN219911929U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |