CN219673319U - High-performance fluorine-lined butterfly valve - Google Patents
High-performance fluorine-lined butterfly valve Download PDFInfo
- Publication number
- CN219673319U CN219673319U CN202320974402.6U CN202320974402U CN219673319U CN 219673319 U CN219673319 U CN 219673319U CN 202320974402 U CN202320974402 U CN 202320974402U CN 219673319 U CN219673319 U CN 219673319U
- Authority
- CN
- China
- Prior art keywords
- valve
- fluorine
- stick
- lining
- sides
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 52
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 33
- 239000011737 fluorine Substances 0.000 claims abstract description 33
- 238000009434 installation Methods 0.000 claims abstract description 14
- 239000011324 bead Substances 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000003208 petroleum 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
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a high-performance fluorine-lined butterfly valve, which comprises a valve body, a valve plate, a main valve rod and an auxiliary valve rod, wherein the valve plate is arranged on the main valve rod; the upper and lower both sides of valve plate are fixed connection main valve stick and vice valve stick respectively, and the upper and lower both sides of valve body are equipped with valve stick installation passageway and valve stick mounting hole respectively, and the valve plate is arranged in on the inner chamber of valve body, is equipped with lining fluorine cover on the inner chamber, and the valve plate surface is equipped with lining fluorine layer, all is equipped with sealed pad subassembly in valve stick installation passageway and the valve stick mounting hole, is equipped with the annular groove of connecting valve stick installation passageway and valve stick mounting hole on the inner chamber, is equipped with two elastic sealing hoops that are used for the banding lining fluorine cover in the annular groove, and two elastic sealing hoops are located the both sides of main valve stick and vice valve stick. According to the utility model, the fluorine lining sleeve is elastically hooped by the two elastic sealing hoops positioned at the two sides of the main valve rod and the auxiliary valve rod, so that the elasticity of the middle part of the fluorine lining sleeve is enhanced, the abrasion caused by the rotation of the valve plate is compensated, the sealing performance is improved, and the service life of the valve is prolonged well.
Description
Technical Field
The utility model relates to the technical field of butterfly valves, in particular to a high-performance fluorine-lined butterfly valve.
Background
The butterfly plate of the fluorine lining butterfly valve is arranged in the diameter direction of the pipeline. In the cylindrical channel of the butterfly valve body, the disc-shaped valve plate rotates around the axis, the rotation angle is between 0 and 90 degrees, and when the disc-shaped valve plate rotates to 90 degrees, the valve is in a full-open state. Is widely applied in many fields of petroleum, chemical industry, metallurgy, water and electricity, etc. The lining material of the fluorine-lined butterfly valve is fluoroplastic, and is used for isolating the flushing corrosion of various concentrations of strong alkali organic solvents and other corrosive gases and liquid media conveyed on the pipeline to the valve body and the valve plate. Because the valve plate needs to rotate around the axis to switch, the valve plate and the fluorine lining sleeve on the valve seat are easy to wear, and after the valve is frequently opened and closed, gaps and leakage are easy to generate, so that the service life of products is influenced.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a high-performance fluorine-lined butterfly valve which can apply elasticity to a fluorine-lined sleeve to compensate abrasion and prolong service life.
The utility model solves the technical problems by adopting the technical scheme that: a high-performance fluorine-lined butterfly valve comprises a valve body, a valve plate, a main valve rod and an auxiliary valve rod; the upper and lower both sides of valve plate are fixed connection main valve stick and vice valve stick respectively, and the upper and lower both sides of valve body are equipped with valve stick installation passageway and valve stick mounting hole respectively, and the valve plate is arranged in on the inner chamber of valve body, is equipped with lining fluorine cover on the inner chamber, and the valve plate surface is equipped with lining fluorine layer, all be equipped with sealed pad subassembly in valve stick installation passageway and the valve stick mounting hole, be equipped with the annular groove of connecting valve stick installation passageway and valve stick mounting hole on the inner chamber, be equipped with two elastic sealing hoops that are used for the hooping lining fluorine cover in the annular groove, two elastic sealing hoops are located the both sides of main valve stick and vice valve stick.
In order to further improve, the sealing gasket assembly comprises a compression spring, a spring seat and a sealing gasket, wherein the sealing gasket is of a conical structure, a conical hole matched with the sealing gasket is formed in the spring seat, the compression spring is located between the spring seat and the fluorine lining sleeve, and the sealing gasket is located between the spring seat and the valve body.
Further perfecting, an air bead is arranged between the elastic sealing hoop and the annular groove.
Further perfecting, the fluorine lining sleeve is provided with two positioning grooves for placing the elastic sealing hoops.
The beneficial effects of the utility model are as follows: according to the utility model, the fluorine lining sleeve is elastically hooped by the two elastic sealing hoops positioned at the two sides of the main valve rod and the auxiliary valve rod, so that the elasticity of the middle part of the fluorine lining sleeve is enhanced, the abrasion caused by the rotation of the valve plate is compensated, the sealing performance is improved, and the service life of the valve is prolonged well.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is an enlarged schematic view of a partial structure in fig. 1.
Reference numerals illustrate: 1. valve body, 2, valve plate, 3, main valve stick, 4, vice valve stick, 5, valve stick installation passageway, 6, valve stick mounting hole, 7, lining fluorine cover, 8, lining fluorine layer, 9, annular groove, 10, elastic sealing ferrule, 11, compression spring, 12, spring holder, 13, sealing washer, 14, gas bead, 15, positioning groove.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
referring to fig. 1: the high-performance fluorine-lined butterfly valve in the embodiment 1 comprises a valve body 1, a valve plate 2, a main valve rod 3 and an auxiliary valve rod 4; the upper and lower both sides of valve plate 2 are fixed connection main valve stick 3 and vice valve stick 4 respectively, and the upper and lower both sides of valve body 1 are equipped with valve stick installation passageway 5 and valve stick mounting hole 6 respectively, and valve plate 2 is arranged in on the inner chamber of valve body 1, is equipped with lining fluorine cover 7 on the inner chamber, and valve plate 2 surface is equipped with lining fluorine layer 8, all be equipped with sealed pad subassembly in valve stick installation passageway 5 and the valve stick mounting hole 6, be equipped with the annular groove 9 of connecting valve stick installation passageway 5 and valve stick mounting hole 6 on the inner chamber, be equipped with two elastic sealing hoops 10 that are used for the hooping fluorine cover 7 in the annular groove 9, two elastic sealing hoops 10 are located the both sides of main valve stick 3 and vice valve stick 4. When the valve plate 2 rotates to close the valve, the two elastic sealing hoops 10 positioned on the two sides of the main valve rod 3 and the auxiliary valve rod 4 elastically hoops the fluorine lining sleeve 7, so that the elasticity of the middle part of the fluorine lining sleeve 7 is enhanced, the fluorine lining sleeve is fully contacted and attached with the fluorine lining layer 8 on the valve plate 2, sealing is realized, abrasion caused by rotation of the valve plate 2 can be compensated, the sealing performance is improved, and the service life of the valve is prolonged. The valve body 1 consists of an upper valve body and a lower valve body, and the upper valve body and the lower valve body are locked and fixed through bolts.
In embodiment 2, on the basis of embodiment 1, as shown in fig. 2, the sealing gasket assembly comprises a compression spring 11, a spring seat 12 and a sealing gasket 13, wherein the sealing gasket 13 has a conical structure, the spring seat 12 is provided with a conical hole matched with the sealing gasket 13, the compression spring 11 is positioned between the spring seat 12 and the fluorine lining sleeve 7, and the sealing gasket 13 is positioned between the spring seat 12 and the valve body 1. The elastic force of the compression spring 11 acts on the spring seat 12, and a taper hole on the spring seat 12 abuts against the sealing gasket 13, so that the sealing between the valve rod and the valve body is realized. In case that the medium flows into the valve rod installation channel 5 or the valve rod installation hole 6, the medium is located at the inner side of the sealing gasket 13, and the sealing performance of the sealing gasket 13 can be further enhanced under the outward pressure of the medium.
Embodiment 3, on the basis of embodiment 1, an air bead 14 is provided between the elastic sealing band 10 and the annular groove 9. The air bead 14 can support the elastic sealing hoop 10, so that the compression resistance of the elastic sealing hoop is enhanced, the service life of the elastic sealing hoop is prolonged, the air bead 14 also has a certain sealing effect, and the structure of the air bead is similar to an O-shaped sealing ring. The elastic sealing hoop 10 is selected from elastic ropes of rubber bands or metal elastic hoops. If necessary, the air bead 14 can be connected with an air pressure gauge and an air charging and discharging device through a pipeline, the air pressure gauge is used for detecting the tire pressure of the air bead 14, and the air charging and discharging device comprises an air pump and an air discharging valve, so that the air pressure of the air bead 14 can be regulated, and the sealing effect can be regulated. The fluorine lining sleeve 7 is provided with two positioning grooves 15 for placing the elastic sealing hoops 10, so that the elastic sealing hoops 10 can be conveniently installed and fixed, and the action points of the elastic sealing hoops 10 cannot deviate during hooping.
While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.
Claims (4)
1. A high-performance fluorine-lined butterfly valve comprises a valve body (1), a valve plate (2), a main valve rod (3) and an auxiliary valve rod (4); the upper and lower both sides of valve plate (2) are fixed connection main valve stick (3) and vice valve stick (4) respectively, and the upper and lower both sides of valve body (1) are equipped with valve stick installation passageway (5) and valve stick mounting hole (6) respectively, and on the inner chamber of valve body (1) was arranged in to valve plate (2), be equipped with lining fluorine cover (7) on the inner chamber, valve plate (2) surface was equipped with lining fluorine layer (8), all be equipped with sealed pad subassembly in valve stick installation passageway (5) and valve stick mounting hole (6), its characterized in that: the inner cavity is provided with an annular groove (9) for connecting the valve rod mounting channel (5) and the valve rod mounting hole (6), two elastic sealing hoops (10) for hooping the fluorine lining sleeve (7) are arranged in the annular groove (9), and the two elastic sealing hoops (10) are positioned on two sides of the main valve rod (3) and the auxiliary valve rod (4).
2. The high performance fluorine lined butterfly valve of claim 1, wherein: the sealing gasket assembly comprises a compression spring (11), a spring seat (12) and a sealing gasket (13), wherein the sealing gasket (13) is of a conical structure, a conical hole matched with the sealing gasket (13) is formed in the spring seat (12), the compression spring (11) is located between the spring seat (12) and the fluorine lining sleeve (7), and the sealing gasket (13) is located between the spring seat (12) and the valve body (1).
3. The high performance fluorine lined butterfly valve of claim 1, wherein: an air bead (14) is arranged between the elastic sealing hoop (10) and the annular groove (9).
4. The high performance fluorine lined butterfly valve of claim 1, wherein: two positioning grooves (15) for placing the elastic sealing hoops (10) are arranged on the fluorine lining sleeve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320974402.6U CN219673319U (en) | 2023-04-25 | 2023-04-25 | High-performance fluorine-lined butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320974402.6U CN219673319U (en) | 2023-04-25 | 2023-04-25 | High-performance fluorine-lined butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219673319U true CN219673319U (en) | 2023-09-12 |
Family
ID=87925341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320974402.6U Active CN219673319U (en) | 2023-04-25 | 2023-04-25 | High-performance fluorine-lined butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219673319U (en) |
-
2023
- 2023-04-25 CN CN202320974402.6U patent/CN219673319U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |