CN211288777U - High-strength corrosion-resistant butterfly valve - Google Patents
High-strength corrosion-resistant butterfly valve Download PDFInfo
- Publication number
- CN211288777U CN211288777U CN201922356007.8U CN201922356007U CN211288777U CN 211288777 U CN211288777 U CN 211288777U CN 201922356007 U CN201922356007 U CN 201922356007U CN 211288777 U CN211288777 U CN 211288777U
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- China
- Prior art keywords
- annular
- connecting sleeve
- core plate
- corrosion
- butterfly valve
- 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.)
- Expired - Fee Related
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- 230000007797 corrosion Effects 0.000 title claims abstract description 28
- 238000005260 corrosion Methods 0.000 title claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 13
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 9
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 9
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 9
- 230000007704 transition Effects 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000005489 elastic deformation Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000013475 authorization Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a high-strength corrosion-resistant butterfly valve, which comprises a valve body, a sealing ring, a rotating shaft, a valve core and a control device, wherein the valve core comprises a connecting sleeve sleeved on the rotating shaft and a semicircular core plate integrally arranged at two sides of the connecting sleeve, the joints of the connecting sleeve and two end faces of the core plate are in fillet transition respectively, and a plurality of reinforcing ribs are arranged between the two end faces of the connecting sleeve and the core plate respectively; the inner surface of the sealing ring is provided with a corrosion-resistant layer. The utility model has the advantages of it is following and effect: the joints of the two end surfaces of the connecting sleeve and the core plate are in fillet transition respectively, and a plurality of reinforcing ribs are arranged between the two end surfaces of the connecting sleeve and the core plate respectively, so that the structural strength of the valve core can be improved, the use reliability of a product is improved, and the service life of the product is prolonged; meanwhile, the corrosion-resistant layer made of polytetrafluoroethylene is arranged on the inner surface of the sealing ring, so that the sealing ring has a corrosion-resistant effect, and the polytetrafluoroethylene of the corrosion-resistant layer can generate certain elastic deformation, thereby being beneficial to improving the sealing property.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to corrosion-resistant butterfly valve of high strength.
Background
Butterfly valves, also known as flap valves, are used to control the flow of various types of fluids, such as air, water, steam, various corrosive media, slurries, oils, liquid metals, radioactive media, and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped valve core and rotates around the axis of the butterfly valve opening and closing piece in the valve body, so that the opening and closing or the adjustment are achieved.
At present, the Chinese patent with the authorization notice number of CN201582405U and the authorization notice date of 2010, 9 and 15 discloses a manual lining plastic butterfly valve, which comprises a manual device, a butterfly valve body, a butterfly valve core, corrosion-resistant plastic and a rotating shaft, wherein the butterfly valve core is arranged in the butterfly valve body, the butterfly valve core is connected with the lower end of the rotating shaft, the manual device is connected with the upper end of the rotating shaft, and the fluid passing part is lined with a corrosion-resistant plastic lining.
In the manual plastic-lined butterfly valve, the pressure bearing capacity of the butterfly valve core is limited, and the problems of cracks and reduced sealing performance can occur after the butterfly valve core is strongly impacted by fluid in a pipeline, so that the reliability and the service life of a product are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high strength corrosion-resistant type butterfly valve, through the case that sets up high strength to in order to improve product reliability and increase of service life.
The above technical purpose of the present invention can be achieved by the following technical solutions: a high-strength corrosion-resistant butterfly valve comprises a valve body with a flow channel, a sealing ring arranged in the flow channel of the valve body, a rotating shaft rotationally connected to the valve body, a valve core arranged on the rotating shaft and positioned in the sealing ring, and a control device arranged on the valve body and used for controlling the rotating shaft to rotate, wherein the valve core comprises a connecting sleeve sleeved on the rotating shaft, and a semicircular core plate integrally arranged on two sides of the connecting sleeve, the connecting parts of two end faces of the connecting sleeve and the core plate are in fillet transition respectively, and a plurality of reinforcing ribs are arranged between the two end faces of the connecting sleeve and the core plate respectively; and the inner surface of the sealing ring is provided with a corrosion-resistant layer made of polytetrafluoroethylene.
The utility model discloses a further set up to: two reinforcing ribs are arranged between the end faces of the connecting sleeve and the core plate, and the two reinforcing ribs are respectively positioned on the trisection points of the connecting sleeve along the radial direction of the connecting sleeve.
The utility model discloses a further set up to: the two side faces, located on the flow channel, of the valve body are respectively provided with an annular groove, and the two sides of the sealing ring are provided with annular parts embedded in the annular grooves.
The utility model discloses a further set up to: the side of annular portion is integrative to be provided with multichannel annular arch, the bellied transversal semicircular in shape of annular.
The utility model discloses a further set up to: the annular groove is provided with an annular limiting groove, and an annular limiting part embedded in the annular limiting groove is formed on the annular part.
To sum up, the utility model discloses following beneficial effect has:
1. the joints of the two end surfaces of the connecting sleeve and the core plate are in fillet transition respectively, and a plurality of reinforcing ribs are arranged between the two end surfaces of the connecting sleeve and the core plate respectively, so that the structural strength of the valve core can be improved, the use reliability of a product is improved, and the service life of the product is prolonged; meanwhile, the corrosion-resistant layer made of polytetrafluoroethylene is arranged on the inner surface of the sealing ring, so that the sealing ring has a corrosion-resistant effect, and the polytetrafluoroethylene of the corrosion-resistant layer can generate certain elastic deformation, thereby being beneficial to improving the sealing property;
2. two side surfaces of the valve body, which are positioned in the flow passage, are respectively provided with an annular groove, and two sides of the sealing ring are provided with annular parts embedded in the annular grooves, so that the sealing ring can be prevented from falling off; the side surface of the annular part is integrally provided with a plurality of annular bulges, and the cross sections of the annular bulges are semicircular, so that the deformation of the annular part can be reduced, and the phenomenon that the annular part falls off from the annular groove can be reduced; meanwhile, an annular limiting groove is formed in the annular groove, and an annular limiting portion embedded into the annular limiting groove is formed in the annular portion, so that the installation stability of the rubber ring can be improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a partial cross-sectional view of the present invention;
fig. 3 is a partially enlarged view at a in fig. 2.
Reference numerals: 1. a valve body; 11. an annular groove; 12. an annular limiting groove; 2. a seal ring; 21. an annular portion; 22. an annular projection; 23. a limiting part; 3. a rotating shaft; 4. a valve core; 41. connecting sleeves; 42. a core board; 43. reinforcing ribs; 5. a control device; 6. a corrosion resistant layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1: a high-strength corrosion-resistant butterfly valve comprises a valve body 1 with a flow passage, a sealing ring 2 arranged in the flow passage of the valve body 1, a rotating shaft 3 rotatably connected to the valve body 1, a valve core 4 arranged on the rotating shaft 3 and positioned in the sealing ring 2, and a control device 5 arranged on the valve body 1 and used for controlling the rotation of the rotating shaft 3, as shown in figures 1 and 2.
As shown in fig. 1 and 2, the valve core 4 includes a connecting sleeve 41 sleeved on the rotating shaft 3, and a semicircular core plate 42 integrally disposed on both sides of the connecting sleeve 41. The joints of the two end faces of the connecting sleeve 41 and the core plate 42 are respectively in fillet transition, two reinforcing ribs 43 are respectively arranged between the two end faces of the connecting sleeve 41 and the core plate 42, and the two reinforcing ribs 43 are respectively positioned on the trisection points of the connecting sleeve 41 along the radial direction.
As shown in fig. 2 and 3, a corrosion-resistant layer 6 made of polytetrafluoroethylene is fixed to the surface of the seal ring 2. Two side surfaces of the valve body 1, which are positioned in the flow passage, are respectively provided with an annular groove 11, and two sides of the sealing ring 2 are integrally provided with an annular part 21 embedded in the annular groove 11. And a plurality of annular protrusions 22 are integrally formed on the side surface of the annular portion 21, and the cross section of the annular protrusion 22 is semicircular. Meanwhile, an annular limiting groove 12 is formed in the annular groove 11, and an annular limiting portion 23 embedded in the annular limiting groove 12 is formed on the annular portion 21.
The implementation effect is as follows: the joints of the two end faces of the connecting sleeve 41 and the core plate 42 are in fillet transition respectively, and a plurality of reinforcing ribs 43 are arranged between the two end faces of the connecting sleeve 41 and the core plate 42 respectively, so that the structural strength of the valve core 4 can be improved, the use reliability of a product is improved, and the service life of the product is prolonged; meanwhile, the corrosion-resistant layer 6 made of polytetrafluoroethylene is arranged on the inner surface of the sealing ring 2, so that the sealing ring has a corrosion-resistant effect, and the polytetrafluoroethylene of the corrosion-resistant layer 6 can generate certain elastic deformation, which is beneficial to improving the sealing property.
Two side surfaces of the valve body 1, which are positioned in the flow passage, are respectively provided with an annular groove 11, and two sides of the sealing ring 2 are provided with annular parts 21 embedded in the annular grooves 11, so that the sealing ring 2 can be prevented from falling off; the side surface of the annular part 21 is integrally provided with a plurality of annular protrusions 22, the cross section of each annular protrusion 22 is semicircular, so that the deformation of the annular part 21 can be reduced, and the phenomenon that the annular part 21 falls off from the annular groove 11 is reduced; meanwhile, the annular groove 11 is provided with an annular limiting groove 12, and an annular limiting part 23 embedded in the annular limiting groove 12 is formed on the annular part 21, so that the installation stability of the rubber ring can be improved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a corrosion-resistant butterfly valve of high strength, is including valve body (1) that has the runner, setting sealing washer (2) in the runner of valve body (1), rotation axis (3) of connection on valve body (1), setting just is located case (4) of sealing washer (2) on rotation axis (3), setting just is used for controlling rotation axis (3) pivoted controlling means (5), its characterized in that on valve body (1): the valve core (4) comprises a connecting sleeve (41) sleeved on the rotating shaft (3) and a semicircular core plate (42) integrally arranged on two sides of the connecting sleeve (41), the joints of two end faces of the connecting sleeve (41) and the core plate (42) are in fillet transition respectively, and a plurality of reinforcing ribs (43) are arranged between the two end faces of the connecting sleeve (41) and the core plate (42); and the inner surface of the sealing ring (2) is provided with a corrosion-resistant layer (6) made of polytetrafluoroethylene.
2. A high strength corrosion resistant butterfly valve as claimed in claim 1, wherein: two reinforcing ribs (43) are arranged between the end faces of the connecting sleeve (41) and the core plate (42), and the two reinforcing ribs (43) are respectively positioned on trisection points of the connecting sleeve (41) along the radial direction of the connecting sleeve.
3. A high strength corrosion resistant butterfly valve as claimed in claim 2, wherein: the two side faces, located on the flow channel, of the valve body (1) are respectively provided with an annular groove (11), and the two sides of the sealing ring (2) are provided with annular parts (21) embedded in the annular grooves (11).
4. A high strength corrosion resistant butterfly valve as claimed in claim 3, wherein: the side of annular portion (21) an organic whole is provided with multichannel annular arch (22), the transversal semicircular form of annular arch (22).
5. A high strength corrosion resistant butterfly valve as claimed in claim 3, wherein: an annular limiting groove (12) is formed in the annular groove (11), and an annular limiting portion (23) embedded in the annular limiting groove (12) is formed on the annular portion (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922356007.8U CN211288777U (en) | 2019-12-24 | 2019-12-24 | High-strength corrosion-resistant butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922356007.8U CN211288777U (en) | 2019-12-24 | 2019-12-24 | High-strength corrosion-resistant butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211288777U true CN211288777U (en) | 2020-08-18 |
Family
ID=72022744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922356007.8U Expired - Fee Related CN211288777U (en) | 2019-12-24 | 2019-12-24 | High-strength corrosion-resistant butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211288777U (en) |
-
2019
- 2019-12-24 CN CN201922356007.8U patent/CN211288777U/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 |
Granted publication date: 20200818 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |