CN220792084U - Corrosion-resistant soft seal butterfly valve - Google Patents
Corrosion-resistant soft seal butterfly valve Download PDFInfo
- Publication number
- CN220792084U CN220792084U CN202322702470.XU CN202322702470U CN220792084U CN 220792084 U CN220792084 U CN 220792084U CN 202322702470 U CN202322702470 U CN 202322702470U CN 220792084 U CN220792084 U CN 220792084U
- Authority
- CN
- China
- Prior art keywords
- valve
- corrosion
- sealing
- seat
- air cushion
- 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
- 238000005260 corrosion Methods 0.000 title claims abstract description 36
- 230000007797 corrosion Effects 0.000 title claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 52
- 239000002390 adhesive tape Substances 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 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
- 239000000565 sealant Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model provides a corrosion-resistant soft sealing butterfly valve, which comprises a valve seat, wherein the interior of the valve seat is movably connected with a valve plate through a valve rod, a sealing air cushion is arranged on the outer side of an arc-shaped support plate, an air pump is fixedly arranged on one side in an inner cavity, one end of an air charging pipe is connected with an air charging port of the sealing air cushion, and two groups of corrosion-resistant adhesive tapes are arranged at two ends of the valve seat; the valve seat is internally provided with the inner cavity, the outer side of the inner cavity is provided with two symmetrical anti-corrosion adhesive tapes to form two sealing structures, meanwhile, the inner side of the inner cavity is also provided with the sealing air cushion, the inner side of the sealing air cushion is provided with the air pump and the air inflation pipe connected with the sealing air cushion, the air pump inflates the sealing air cushion through the air inflation pipe, the sealing air cushion inflates and moves outwards, is extruded on the inner wall surface of the valve seat, and further seals on the inner side of the valve plate to form an inner sealing structure matched with the anti-corrosion adhesive tapes, so that the butterfly valve has excellent sealing performance.
Description
Technical Field
The utility model belongs to the technical field of butterfly valves, and relates to a corrosion-resistant soft sealing butterfly valve.
Background
The butterfly valve is also called as flap valve, and is a simple-structure regulating valve, and can be used for opening and closing low-pressure pipeline medium, and the butterfly valve is characterized by that its closing member (valve clack or butterfly plate) is made into the form of disk, and can be rotated around valve shaft to implement opening and closing operation, and the valve can be used for controlling the flow of various fluids of air, water, steam, various corrosive mediums, slurry, oil, liquid metal and radioactive medium, etc., on the pipeline, mainly can implement cutting-off and throttling action, and its opening and closing member is made into the form of disk, and can be rotated around its own axis in the valve body so as to attain the goal of opening and closing or regulating.
Application number 201821142717.X discloses a soft seal butterfly valve, including valve body, valve rod, disk seat and valve plate, the valve rod wears to establish in the valve body to be connected with the valve plate, the disk seat is installed in the valve body, form sealed chamber between valve rod top and the valve body, sealed intracavity seal is installed oil blanket and glass steel cover, oil blanket and glass steel cover seal coat are in the valve rod periphery, the oil blanket is installed in glass steel cover below. The stuffing box is sealed by utilizing the oil seal and the glass fiber reinforced plastic sleeve to replace the stuffing box in the prior art, the oil seal has the characteristics of good sealing function, long service life, easiness in disassembly, convenience in inspection and the like, and the glass fiber reinforced plastic sleeve has the advantages of light weight, hardness, stable performance, high mechanical strength, corrosion resistance and the like, so that the sealing effect of the oil seal is ensured, the sealing device is very suitable for sealing between a valve rod and a valve body, and has novel design and effectively improved sealing performance.
The valve plate structure disclosed above, the interior of which is sealed by a single sealant sleeve, some valve plates can be provided with two layers of sealing rubber strips to improve the sealing performance, but the condition of liquid leakage still exists, the sealing performance needs to be further improved, and the corrosion resistance of the valve plates needs to be synchronously improved.
Disclosure of Invention
The utility model aims to provide a corrosion-resistant soft sealing butterfly valve, which solves the problems in the background technology.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a corrosion-resistant soft seal butterfly valve, includes disk seat, flange, valve plate, drive case, anticorrosion adhesive tape, air pump, arc extension board, gas tube and outer sheet rubber, the inside of disk seat is through valve rod swing joint has the valve plate, both sides in the valve plate all are provided with the inner chamber, the inside of inner chamber is provided with the arc extension board, the outside of arc extension board is provided with sealed air cushion, one side in the inner chamber is fixed and is provided with the air pump, the output fixedly connected with gas tube of air pump, just the one end and the inflation port connection of sealed air cushion of gas tube, the both ends of disk seat all are provided with two sets of anticorrosion adhesive tape, and two sets of anticorrosion adhesive tape distributes and set up in sealed air cushion's both sides.
In the corrosion-resistant soft sealing butterfly valve, flanges are fixedly arranged at two ends of the valve seat, and bolt fixing holes are formed in the outer sides of the flanges.
In the corrosion-resistant soft sealing butterfly valve, the top end of the valve seat is fixedly connected with the supporting seat, the top end of the supporting seat is fixedly connected with the mounting seat, and the top end of the mounting seat is fixedly provided with the driving box.
In the corrosion-resistant soft sealing butterfly valve, a worm and a worm wheel are fixedly arranged in the driving box, one end of the worm is fixedly connected with a rotating rod on one side of the driving box, and the center of the worm wheel is fixedly connected with the top end of the valve rod.
In the corrosion-resistant soft sealing butterfly valve, one end of the rotary rod is fixedly connected with the rotary handle, and the top end of the driving box is fixedly provided with the indicator lamp.
In the corrosion-resistant soft sealing butterfly valve, the top and the bottom of the valve plate are fixedly provided with the rod sleeve, and the valve rod is fixedly arranged in the rod sleeve.
Compared with the prior art, the corrosion-resistant soft sealing butterfly valve has the advantages that:
the inside of this application disk seat is provided with the inner chamber, and the outside of inner chamber sets up the anticorrosion adhesive tape of two symmetries, form twice seal structure, still be provided with sealed air cushion in the inside of inner chamber simultaneously, sealed air cushion's inboard sets up the air pump and the gas tube rather than being connected, the air pump is inflated sealed air cushion through the gas tube, sealed air cushion is inflated and is swelled, outside motion, the extrusion is at the internal face of disk seat, and then seal once more in the inboard of valve plate, form with anticorrosion adhesive tape complex inside seal structure, make the butterfly valve sealing performance of this application excellent.
Drawings
FIG. 1 is a schematic diagram of a corrosion-resistant soft seal butterfly valve of the present utility model.
FIG. 2 is a schematic diagram of the internal structure of a valve plate of the corrosion-resistant soft seal butterfly valve of the utility model.
In the figure, 1, a valve seat; 2. a flange; 3. a valve plate; 4. a support base; 5. a mounting base; 6. a drive box; 7. an indicator light; 8. a rotating rod; 9. an anti-corrosion adhesive tape; 10. an inner cavity; 11. an air pump; 12. an arc-shaped support plate; 13. an inflation tube; 14. sealing the air cushion; 15. a valve stem; 16. an outer rubber sheet.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
The utility model provides a corrosion-resistant soft seal butterfly valve, including disk seat 1, flange 2, valve plate 3, drive box 6, anticorrosion adhesive tape 9, air pump 11, arc extension board 12, gas tube 13 and outer sheet rubber 16, the inside of disk seat 1 is through valve rod 15 swing joint has valve plate 3, both sides in the valve plate 3 all are provided with inner chamber 10, the inside of inner chamber 10 is provided with arc extension board 12, the outside of arc extension board 12 is provided with seal cushion 14, one side in the inner chamber 10 is fixed to be provided with air pump 11, the output fixedly connected with gas tube 13 of air pump 11, and the one end and the inflation port connection of seal cushion 14 of gas tube 13, the both ends of disk seat 1 all are provided with two sets of anticorrosion adhesive tape 9, and two sets of anticorrosion adhesive tape 9 distribute the both sides that set up at seal cushion 14.
As shown in fig. 1 and fig. 2, in the corrosion-resistant soft sealing butterfly valve, specifically, flanges 2 are fixedly arranged at two ends of a valve seat 1, and bolt fixing holes are formed in the outer side of the flanges 2.
As shown in fig. 1 and fig. 2, in the corrosion-resistant soft sealing butterfly valve, specifically, the top end of the valve seat 1 is fixedly connected with a supporting seat 4, the top end of the supporting seat 4 is fixedly connected with a mounting seat 5, and the top end of the mounting seat 5 is fixedly provided with a driving box 6.
As shown in fig. 1 and fig. 2, in the corrosion-resistant soft sealing butterfly valve of the present utility model, specifically, a worm and a worm wheel are fixedly disposed in the driving box 6, one end of the worm is fixedly connected with the rotating rod 8 on one side of the driving box 6, the center of the worm wheel is fixedly connected with the top end of the valve rod 15, and the valve rod 15 is driven by the worm and the worm wheel to be a common structure disclosed in the prior art, which is not described in detail in this application.
As shown in fig. 1 and fig. 2, in the corrosion-resistant soft sealing butterfly valve, specifically, one end of a rotary rod 8 is fixedly connected with a rotary handle, the top end of a driving box 6 is fixedly provided with an indicator lamp 7, and when a valve plate 3 is in an open state, the indication lamp 7 can be turned on to indicate, so that the corrosion-resistant soft sealing butterfly valve is simple and clear, and the valve cannot be opened by mistake.
As shown in fig. 1 and 2, in the corrosion-resistant soft sealing butterfly valve of the present utility model, specifically, the top and the bottom of the valve seat 1 are fixedly provided with a stem sleeve, and the valve rod 15 is fixedly installed inside the stem sleeve.
According to the corrosion-resistant soft sealing butterfly valve, the inner cavity 10 is arranged in the valve seat 1, two symmetrical anti-corrosion adhesive tapes 9 are arranged on the outer side of the inner cavity 10, two sealing structures are formed on two sides of the valve seat 1, meanwhile, the inner side of the inner cavity 10 is also provided with the sealing air cushion 14, the air pump 11 and the inflation tube 13 connected with the sealing air cushion 14 are arranged on the inner side of the sealing air cushion 14, the air pump 11 inflates the sealing air cushion 14 through the inflation tube 13, the inner side of the sealing air cushion 14 is supported through the arc-shaped support plate 12, the sealing air cushion 14 inflates and bulges and moves outwards, the sealing air cushion is extruded on the inner wall surface of the valve seat 1, and further sealing is carried out on the inner side of the valve plate 3 again, so that the inner sealing structure matched with the anti-corrosion adhesive tapes 9 is formed, and the butterfly valve is excellent in sealing performance.
What is not described in detail in this specification is prior art known to those skilled in the art. The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (6)
1. The utility model provides a corrosion-resistant soft seal butterfly valve, includes disk seat (1), flange (2), valve plate (3), drive case (6), anticorrosion adhesive tape (9), air pump (11), arc extension board (12), gas tube (13) and outer sheet rubber (16), a serial communication port, the inside of disk seat (1) is through valve rod (15) swing joint has valve plate (3), both sides in valve plate (3) all are provided with inner chamber (10), the inside of inner chamber (10) is provided with arc extension board (12), the outside of arc extension board (12) is provided with sealed air cushion (14), one side in inner chamber (10) is fixed to be provided with air pump (11), the output fixedly connected with gas tube (13), just the one end of gas tube (13) is connected with the gas filling port of sealed air cushion (14), the both ends of disk seat (1) all are provided with two sets of anticorrosion adhesive tape (9), and two sets of anticorrosion adhesive tape (9) distribute the both sides that set up in sealed air cushion (14).
2. The corrosion-resistant soft sealing butterfly valve according to claim 1, wherein flanges (2) are fixedly arranged at two ends of the valve seat (1), and bolt fixing holes are formed in the outer sides of the flanges (2).
3. The corrosion-resistant soft sealing butterfly valve according to claim 1, wherein a supporting seat (4) is fixedly connected to the top end of the valve seat (1), a mounting seat (5) is fixedly connected to the top end of the supporting seat (4), and a driving box (6) is fixedly mounted to the top end of the mounting seat (5).
4. A corrosion-resistant soft sealing butterfly valve according to claim 3, characterized in that a worm and a worm wheel are fixedly arranged in the driving box (6), one end of the worm is fixedly connected with a rotating rod (8) at one side of the driving box (6), and the center of the worm wheel is fixedly connected with the top end of the valve rod (15).
5. The corrosion-resistant soft sealing butterfly valve according to claim 4, wherein one end of the rotary rod (8) is fixedly connected with a rotary handle, and an indicator lamp (7) is fixedly arranged at the top end of the driving box (6).
6. The corrosion-resistant soft sealing butterfly valve according to claim 1, wherein the top and the bottom of the valve seat (1) are fixedly provided with a stem sleeve, and the valve rod (15) is fixedly mounted inside the stem sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322702470.XU CN220792084U (en) | 2023-10-09 | 2023-10-09 | Corrosion-resistant soft seal butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322702470.XU CN220792084U (en) | 2023-10-09 | 2023-10-09 | Corrosion-resistant soft seal butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220792084U true CN220792084U (en) | 2024-04-16 |
Family
ID=90635946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322702470.XU Active CN220792084U (en) | 2023-10-09 | 2023-10-09 | Corrosion-resistant soft seal butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220792084U (en) |
-
2023
- 2023-10-09 CN CN202322702470.XU patent/CN220792084U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201129496Y (en) | Upper mounting type ball valve | |
| CN220792084U (en) | Corrosion-resistant soft seal butterfly valve | |
| CN215214771U (en) | Double-flap adjusting butterfly valve | |
| CN2339825Y (en) | Sealing type stop-valve for corrugated pipe | |
| CN210661405U (en) | Flange connection metal hard seal butterfly valve | |
| CN210135248U (en) | Better butterfly valve of leakproofness | |
| CN219472739U (en) | Electric butterfly valve convenient to maintain | |
| CN220727139U (en) | Double-layer sealed butterfly valve | |
| CN220600460U (en) | High pressure-resistant flange butterfly valve | |
| CN212055875U (en) | High-performance pneumatic full-lining butterfly valve | |
| CN218408559U (en) | Butterfly plate structure of butterfly valve | |
| CN220248950U (en) | Negative lining-resistant butterfly valve | |
| CN215567989U (en) | Novel ultra-low temperature butterfly valve | |
| CN215806361U (en) | Double semi-axis middle line type soft seal butterfly valve of wafer formula | |
| CN213929479U (en) | Hard seal butterfly valve structure | |
| CN211117665U (en) | Vulcanized rubber's skew seal face central line butterfly valve body | |
| CN219549636U (en) | Novel double-layer soft sealing butterfly valve | |
| CN214838544U (en) | Full lining rubber eccentric plug valve | |
| CN111188916A (en) | High leakproofness butterfly valve | |
| CN220268459U (en) | Novel butterfly valve plate | |
| CN220505819U (en) | Butterfly valve mould of low moment | |
| CN219692286U (en) | Butterfly valve sealing mechanism | |
| CN214789088U (en) | Highly-sealed butterfly valve | |
| CN217003125U (en) | Butterfly valve is adjusted in little consumption high accuracy temperature measurement of heavy-calibre | |
| CN215596427U (en) | Gate valve for controlling medium switch of low-pressure pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |