CN220727139U - Double-layer sealed butterfly valve - Google Patents
Double-layer sealed butterfly valve Download PDFInfo
- Publication number
- CN220727139U CN220727139U CN202322501850.7U CN202322501850U CN220727139U CN 220727139 U CN220727139 U CN 220727139U CN 202322501850 U CN202322501850 U CN 202322501850U CN 220727139 U CN220727139 U CN 220727139U
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- valve plate
- sleeve
- double
- shaft sleeve
- main valve
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- 239000002390 adhesive tape Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 description 7
- 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
- 230000000694 effects Effects 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
- 230000032683 aging Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation 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
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model provides a double-layer sealed butterfly valve, which comprises a main valve plate, an upper shaft sleeve, a lower shaft sleeve and side valve plates, wherein two sides of the main valve plate are fixedly connected with the two side valve plates; the utility model improves the existing valve plate structure, changes the integral valve plate structure, forms the whole valve plate structure through the main valve plate and the side valve plates, the side surface of the main valve plate is provided with the inner fixing column, the inner side of the side valve plate is provided with the supporting sleeve plate, and when the side valve plate is installed, the side valve plate is fixed on the inner fixing column through the supporting sleeve plate, so that the side valve plate is fixed, the disassembly and the replacement are also more convenient.
Description
Technical Field
The utility model belongs to the technical field of valves, and relates to a double-layer sealed 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.
Above-mentioned disclosed valve plate structure, its both ends seal through single rubber strip, and sealed effect is relatively poor, and above-mentioned sealing strip is the direct fixation setting on the valve plate, and under long-time use, the adhesive tape ages, need thoroughly clear up the back to ageing, just can bond new adhesive tape, and it is very inconvenient to change, needs to improve.
Disclosure of Invention
The present utility model is directed to a butterfly valve with a double seal to solve the above-mentioned problems.
The aim of the utility model can be achieved by the following technical scheme:
double-deck sealed butterfly valve, including main valve plate, last axle sleeve, lower axle sleeve, side valve plate, side adhesive tape, axle sleeve hole site, interior fixed column and support the sleeve board, the equal fixedly connected with in both sides of main valve plate two side valve plates, and two side valve plate symmetry sets up, the outside of side valve plate is fixed to be provided with side adhesive tape, two be provided with two interior fixed columns between the side valve plate, and two interior fixed column sets up respectively in main valve plate top one side and main valve plate bottom one side, two the mounting hole has all been seted up to the one end of interior fixed column, there is the support sleeve board in the outside of interior fixed column through mounting hole fixed mounting, just the inboard fixed connection of support sleeve board and side valve plate.
In the double-layer sealed butterfly valve, an upper shaft sleeve is fixedly arranged on the side of the top of the main valve plate, and a lower shaft sleeve symmetrical to the upper shaft sleeve is arranged on the side of the bottom of the main valve plate.
In the double-layer sealed butterfly valve, shaft sleeve hole sites are respectively formed in the upper shaft sleeve and the lower shaft sleeve, and an upper shaft rod and a lower shaft rod are respectively and fixedly arranged in the two shaft sleeve hole sites.
In the double-layer sealed butterfly valve, an outer rubber sleeve is arranged between the inner fixing column and the supporting sleeve plate, and the outer rubber sleeve is sleeved outside the inner fixing column.
In the double-layer sealed butterfly valve, the outer side of the side valve plate is provided with the bolt hole, the external thread of the bolt hole is connected with the locking bolt, and one end of the locking bolt penetrates through the bolt hole to be in threaded sleeve joint with the mounting hole.
Compared with the prior art, the double-layer sealed butterfly valve has the advantages that:
the valve plate structure improves current valve plate structure, changes integral type's valve plate structure, constitutes whole valve plate structure through main valve plate and side valve plate, and the main valve plate side sets up interior fixed column, and the side valve plate inboard sets up the support sleeve board, and during side valve plate installation, through the support sleeve board fix including on the fixed column, and then accomplish the fixed of side valve plate, it is also comparatively convenient to dismantle the change, and this application all sets up the side valve plate in the both sides of main valve plate, forms bilayer seal structure like this, and sealing performance is better, can conveniently change simultaneously, has also reduced use cost.
Drawings
FIG. 1 is a schematic view of a double seal butterfly valve of the present utility model.
FIG. 2 is a schematic diagram of the hole site structure of the shaft sleeve of the double-layer sealed butterfly valve.
FIG. 3 is a schematic view of the internal structure of a double-sealed butterfly valve of the utility model.
FIG. 4 is a schematic diagram of a side valve plate structure of a double-layer sealed butterfly valve of the utility model.
In the figure, 1, a main valve plate; 2. an upper shaft sleeve; 3. an upper shaft; 4. a lower shaft sleeve; 5. a lower shaft; 6. a locking bolt; 7. bolt holes; 8. a side valve plate; 9. a side adhesive tape; 10. a shaft sleeve hole site; 11. an outer rubber sleeve; 12. a mounting hole; 13. an inner fixing column; 14. and supporting the sleeve plate.
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.
Double-deck sealed butterfly valve, including main valve plate 1, go up axle sleeve 2, lower axle sleeve 4, side valve plate 8, side adhesive tape 9, axle sleeve hole site 10, interior fixed column 13 and support sleeve board 14, the equal fixedly connected with of both sides of main valve plate 1 two side valve plates 8, and two side valve plates 8 symmetry sets up, the outside of side valve plate 8 is fixed to be provided with side adhesive tape 9, be provided with two interior fixed column 13 between two side valve plates 8, and two interior fixed column 13 set up respectively in main valve plate 1 top one side and main valve plate 1 bottom one side, mounting hole 12 has all been seted up to the one end of two interior fixed columns 13, the outside of interior fixed column 13 is through mounting hole 12 fixed mounting has support sleeve board 14, and support sleeve board 14 and the inboard fixed connection of side valve plate 8.
As shown in fig. 1, 2, 3 and 4, the double-layer sealed butterfly valve of the utility model, specifically, an upper shaft sleeve 2 is fixedly arranged on the top side of a main valve plate 1, and a lower shaft sleeve 4 symmetrical to the upper shaft sleeve 2 is arranged on the bottom side of the main valve plate 1.
As shown in fig. 1, 2, 3 and 4, in the double-layer sealed butterfly valve of the present utility model, specifically, the inside of the upper shaft sleeve 2 and the inside of the lower shaft sleeve 4 are both provided with shaft sleeve holes 10, and the inside of the two shaft sleeve holes 10 is fixedly provided with an upper shaft lever 3 and a lower shaft lever 5 respectively.
As shown in fig. 1, 2, 3 and 4, the double-layer sealed butterfly valve of the utility model, specifically, an outer rubber sleeve 11 is arranged between an inner fixing column 13 and a supporting sleeve plate 14, and the outer rubber sleeve 11 is sleeved outside the inner fixing column 13.
As shown in fig. 1, 2, 3 and 4, in the double-layer sealed butterfly valve of the utility model, specifically, a bolt hole 7 is formed on the outer side of a side valve plate 8, a locking bolt 6 is connected to the outer thread of the bolt hole 7, and one end of the locking bolt 6 passes through the bolt hole 7 and is in threaded sleeve connection with a mounting hole 12.
The double-layer sealed butterfly valve disclosed by the utility model is improved on the existing valve plate structure, the integral valve plate structure is changed, the whole valve plate structure is formed by the main valve plate 1 and the side valve plates 8, the side surfaces of the main valve plate 1 are provided with the inner fixing columns 13, the inner sides of the side valve plates 8 are provided with the supporting sleeve plates 14, when the side valve plates 8 are installed, the supporting sleeve plates 14 are fixed on the inner fixing columns 13, the fixing of the side valve plates 8 is further completed, the disassembly and the replacement are also more convenient, and the double-layer sealed structure is formed by arranging the side valve plates 8 on two sides of the main valve plate 1.
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 (5)
1. Double-deck sealed butterfly valve, including main valve plate (1), go up axle sleeve (2), lower axle sleeve (4), side valve plate (8), side adhesive tape (9), axle sleeve hole site (10), interior fixed column (13) and support sleeve board (14), its characterized in that, two equal fixedly connected with side valve plate (8) in both sides of main valve plate (1), and two side valve plate (8) symmetry sets up, the outside of side valve plate (8) is fixed to be provided with side adhesive tape (9), two be provided with two interior fixed column (13) between side valve plate (8), and two interior fixed column (13) set up respectively in main valve plate (1) top one side and main valve plate (1) bottom one side, two mounting hole (12) have all been seted up to the one end of interior fixed column (13), the outside of interior fixed column (13) is through mounting hole (12) fixed mounting support sleeve board (14), just the inboard fixed connection of support sleeve board (14) and side valve plate (8).
2. The double-layer sealed butterfly valve according to claim 1, wherein an upper shaft sleeve (2) is fixedly arranged on the top side of the main valve plate (1), and a lower shaft sleeve (4) symmetrical to the upper shaft sleeve (2) is arranged on the bottom side of the main valve plate (1).
3. The double-layer sealed butterfly valve according to claim 1, wherein the inside of the upper shaft sleeve (2) and the inside of the lower shaft sleeve (4) are provided with shaft sleeve hole sites (10), and the inside of the two shaft sleeve hole sites (10) is fixedly provided with an upper shaft lever (3) and a lower shaft lever (5) respectively.
4. The double-layer sealed butterfly valve according to claim 1, wherein an outer rubber sleeve (11) is arranged between the inner fixing column (13) and the supporting sleeve plate (14), and the outer rubber sleeve (11) is sleeved outside the inner fixing column (13).
5. The double-layer sealed butterfly valve according to claim 1, wherein a bolt hole (7) is formed in the outer side of the side valve plate (8), a locking bolt (6) is connected to the outer thread of the bolt hole (7), and one end of the locking bolt (6) penetrates through the bolt hole (7) to be in threaded sleeve joint with a mounting hole (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322501850.7U CN220727139U (en) | 2023-09-14 | 2023-09-14 | Double-layer sealed butterfly valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322501850.7U CN220727139U (en) | 2023-09-14 | 2023-09-14 | Double-layer sealed butterfly valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220727139U true CN220727139U (en) | 2024-04-05 |
Family
ID=90500683
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322501850.7U Active CN220727139U (en) | 2023-09-14 | 2023-09-14 | Double-layer sealed butterfly valve |
Country Status (1)
Country | Link |
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CN (1) | CN220727139U (en) |
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2023
- 2023-09-14 CN CN202322501850.7U patent/CN220727139U/en active Active
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