CN220706425U - High-frequency butterfly valve - Google Patents
High-frequency butterfly valve Download PDFInfo
- Publication number
- CN220706425U CN220706425U CN202321818940.2U CN202321818940U CN220706425U CN 220706425 U CN220706425 U CN 220706425U CN 202321818940 U CN202321818940 U CN 202321818940U CN 220706425 U CN220706425 U CN 220706425U
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- CN
- China
- Prior art keywords
- valve
- valve body
- packing
- seat
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000001125 extrusion Methods 0.000 claims abstract description 14
- 238000012856 packing Methods 0.000 claims description 33
- 238000007789 sealing Methods 0.000 claims description 10
- 210000004907 gland Anatomy 0.000 claims description 9
- 230000007774 longterm Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a high-frequency butterfly valve, which relates to the technical field of regulating valves and comprises a valve body, wherein an inner cavity is formed in the valve body, ports are respectively formed in the left end and the right end of the valve body, the upper end of the valve body is in an open structure, a lower end cover is fixedly arranged at the lower end of the valve body, a valve shaft is arranged in the valve body in an rotating mode, and the valve seat and the valve plate are in interference fit through an expansion extrusion groove specially designed for the valve seat. Meanwhile, as the valve seat adopts a floating replaceable design, when the valve seat is worn seriously in long-term use, the valve body is only required to be detached from the pipeline, and the valve seat can be quickly replaced, so that the service cycle of the valve is greatly prolonged, and the use cost of the valve is reduced.
Description
Technical Field
The utility model relates to the technical field of regulating valves, in particular to a high-frequency butterfly valve.
Background
The butterfly valve is a valve which is widely applied to pipeline systems in industries such as petroleum, chemical industry, ships, nuclear power stations and the like and used for controlling the circulation of pipeline media, and can be used for controlling the flow of various fluids such as air, water, steam, corrosive media, slurry, oil products, liquid metal, radioactive media and the like by rotating around a valve shaft to open and close through a butterfly plate.
The existing butterfly valve seat cannot compensate for temperature and pressure changes, cannot compensate for abrasion caused by long-term switch use, is poor in sealing performance, needs to be additionally provided with an O-shaped ring or a metal part to keep sealing, is short in service life, and is troublesome to detach and replace.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a high-frequency butterfly valve, which solves the technical problems that the valve seat of the existing butterfly valve cannot compensate the change of temperature and pressure, cannot compensate the abrasion caused by long-term switch use, has poor sealing performance, needs to be added with an O-shaped ring or a metal part to keep sealing, has short service life and is troublesome to disassemble, assemble and replace.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a high-frequency butterfly valve, includes the valve body, the inner chamber has been seted up in the valve body, the port has been seted up respectively at both ends about the valve body, the valve body upper end is open structure, valve body lower extreme fixed mounting has the lower extreme lid, valve shaft is installed in the valve body internal rotation, install uide bushing and uide bushing down from top to bottom in proper order between valve shaft and the valve body, go up uide bushing and be located the port upper and lower both sides respectively, fixed mounting has the valve plate on the valve shaft, install the disk seat on the left side port of valve body, first inflation extrusion groove has been seted up on the disk seat lateral wall face, seted up the second inflation extrusion groove on the other lateral wall face of disk seat, first inflation extrusion groove is parallel to each other with the second inflation extrusion groove, install the disk seat gland on the disk seat, be equipped with the packing subassembly between valve shaft and the valve body upper end.
Preferably, the packing assembly comprises packing, the packing is packed between the valve shaft and the upper end of the valve body, the packing is positioned above the upper guide sleeve, a packing pressing sleeve is arranged on an upper end cover of the valve body, a packing pressing cover is arranged on an upper cover of the packing pressing sleeve, and the packing pressing cover is fixedly connected with the valve body through bolts.
Preferably, a connecting pin is fixedly connected between the valve plate and the valve shaft.
Preferably, a thrust ring is arranged in the valve body and positioned at the lower end of the lower guide sleeve, an annular groove is formed in the valve shaft, and the thrust ring is positioned in the annular groove.
Preferably, a rotating pad is arranged on the upper wall surface of the lower end cover, the rotating pad is in contact with the valve shaft, and a sealing pad is arranged between the lower end cover and the valve body.
Preferably, the valve seat gland and the valve body are connected through bolts.
Preferably, the valve seat is detachably connected with the valve body.
Advantageous effects
The utility model provides a high-frequency butterfly valve, which solves the technical problems that the valve seat of the existing butterfly valve cannot compensate the change of temperature and pressure, cannot compensate the abrasion caused by long-term switch use, has poor sealing performance, needs to be additionally provided with an O-shaped ring or a metal part to keep sealing, has short service life and is troublesome to disassemble, assemble and replace the valve seat. Meanwhile, because the valve seat adopts a floating replaceable design, when the valve seat is worn seriously in long-term use, the valve body is only required to be detached from the pipeline, and the valve seat can be quickly replaced, so that the service cycle of the valve is greatly prolonged, and the use cost of the valve is reduced 。
Drawings
FIG. 1 is a schematic diagram of a novel high-performance high-frequency butterfly valve according to the present utility model;
FIG. 2 is an enlarged view of the valve seat structure of the present utility model;
FIG. 3 is an enlarged view of the blow-out structure of the present utility model;
FIG. 4 is an enlarged view of the stuffing box structure of the present utility model.
In the figure: 1. a valve body; 2. a valve shaft; 3. a valve seat; 4. a valve seat gland; 5. a valve plate; 6. an upper guide sleeve; 7. a filler; 8. packing pressing sleeve; 9. a packing gland; 10. a lower guide sleeve; 11. a thrust collar; 12. a rotating pad; 13. a sealing gasket; 14. a lower end cap; 15. and (5) a connecting pin.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The detailed connection means are known in the art, and the following mainly describes the working principle and process, and the specific work is as follows.
Referring to fig. 1-4, the present utility model provides a technical solution: the high-frequency butterfly valve comprises a valve body 1, wherein an inner cavity is formed in the valve body 1, ports are respectively formed in the left end and the right end of the valve body 1, the upper end of the valve body 1 is of an open structure, a lower end cover 14 is fixedly arranged at the lower end of the valve body 1, a valve shaft 2 is rotatably arranged in the valve body 1, an upper guide sleeve 6 and a lower guide sleeve 10 are sequentially arranged between the valve shaft 2 and the valve body 1 from top to bottom, the upper guide sleeve 6 and the lower guide sleeve 10 are respectively positioned on the upper side and the lower side of the ports, a valve plate 5 is fixedly arranged on the valve shaft 2, a valve seat 3 is arranged on the left side port of the valve body 1, a first expansion extrusion groove is formed in the side wall surface of the valve seat 3, a second expansion extrusion groove is formed in the other side wall surface of the valve seat 3, the first expansion extrusion groove and the second expansion extrusion groove are mutually parallel, a valve seat 4 is arranged on the valve seat 3, and a packing assembly is arranged between the valve shaft 2 and the upper end of the valve body 1;
through rotating the valve shaft for the valve shaft drives the valve plate and rotates, and then adjusts the gap between valve plate and the port, makes the fluid that flows through the valve body obtain flow control, owing to offered first inflation extrusion groove and second inflation extrusion groove on the disk seat, can reduce disk seat and valve plate interference fit's effort that receives greatly, also can compensate the deformation that the valve plate brought because temperature and pressure change simultaneously, can guarantee the leakproofness, simultaneously greatly reduced the wearing and tearing that the valve high frequency switch brought the disk seat again.
The embodiment is further arranged that the packing assembly comprises packing 7, the packing 7 is packed between the valve shaft 2 and the upper end of the valve body 1, the packing 7 is positioned above the upper guide sleeve 6, a packing pressing sleeve 8 is arranged on the upper end cover of the valve body 1, a packing pressing cover 9 is arranged on the upper cover of the packing pressing sleeve 8 in a covering mode, and the packing pressing cover 9 is fixedly connected with the valve body 1 through bolts;
by rotating the bolt between the packing gland and the valve body, the packing gland presses down the packing sleeve, so that the packing sleeve presses the packing, and the valve shaft is sealed.
The embodiment is further configured that a connecting pin 15 is fixedly connected between the valve plate 5 and the valve shaft 2;
the connecting pin is used for connecting the valve plate and the valve shaft.
The embodiment is further arranged that a thrust ring 11 is arranged in the valve body 1 and positioned at the lower end of the lower guide sleeve 10, an annular groove is formed in the valve shaft 2, and the thrust ring 11 is positioned in the annular groove;
the thrust collar prevents the valve shaft from moving upward from within the valve body.
The embodiment is further configured in that a rotating pad 12 is installed on the upper wall surface of the lower end cover 14, the rotating pad 12 is in contact with the valve shaft 2, and a sealing pad 13 is arranged between the lower end cover 14 and the valve body 1.
The embodiment is further configured that the valve seat gland 4 is connected with the valve body 1 by bolts.
The embodiment is further provided that the valve seat 3 is detachably connected with the valve body 1;
by opening the valve seat gland, the valve seat can be detached from the valve body for replacement.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Claims (7)
1. The utility model provides a high-frequency butterfly valve, includes valve body (1), the inner chamber has been seted up in valve body (1), both ends have been seted up respectively about valve body (1), valve body (1) upper end is open structure, its characterized in that, valve body (1) lower extreme fixed mounting has lower end cover (14), valve shaft (2) are installed in valve body (1) internal rotation, install uide bushing (6) and uide bushing (10) down from top to bottom between valve shaft (2) and valve body (1), go up uide bushing (6) and uide bushing (10) down and be located the port upper and lower both sides respectively, fixed mounting has valve plate (5) on valve shaft (2), install disk seat (3) on the left side port of valve body (1), first expansion extrusion groove has been seted up on disk seat (3) lateral wall face, second expansion extrusion groove and second expansion extrusion groove are parallel to each other on the disk seat (3) another lateral wall face, install on disk seat (4) and valve body (1) end.
2. The high-frequency butterfly valve according to claim 1, wherein the packing assembly comprises packing (7), the packing (7) is packed between the valve shaft (2) and the upper end of the valve body (1), the packing (7) is located above the upper guide sleeve (6), a packing press sleeve (8) is arranged on the upper end cover of the valve body (1), a packing press cover (9) is arranged on the upper cover of the packing press sleeve (8), and the packing press cover (9) is fixedly connected with the valve body (1) through bolts.
3. A high frequency butterfly valve according to claim 1, characterized in that a connecting pin (15) is fixedly connected between the valve plate (5) and the valve shaft (2).
4. The high-frequency butterfly valve according to claim 1, wherein a thrust ring (11) is installed at the lower end of the lower guide sleeve (10) in the valve body (1), an annular groove is formed in the valve shaft (2), and the thrust ring (11) is located in the annular groove.
5. A high frequency butterfly valve according to claim 1, wherein a rotary pad (12) is mounted on the upper wall surface of the lower end cover (14), the rotary pad (12) is in contact with the valve shaft (2), and a sealing pad (13) is arranged between the lower end cover (14) and the valve body (1).
6. A high frequency butterfly valve according to claim 1, characterized in that the valve seat gland (4) is bolted to the valve body (1).
7. A high frequency butterfly valve according to claim 1, characterized in that the valve seat (3) is detachably connected to the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321818940.2U CN220706425U (en) | 2023-07-12 | 2023-07-12 | High-frequency butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321818940.2U CN220706425U (en) | 2023-07-12 | 2023-07-12 | High-frequency butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220706425U true CN220706425U (en) | 2024-04-02 |
Family
ID=90441430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321818940.2U Active CN220706425U (en) | 2023-07-12 | 2023-07-12 | High-frequency butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220706425U (en) |
-
2023
- 2023-07-12 CN CN202321818940.2U patent/CN220706425U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |