CN221075269U - Groove butterfly valve with good sealing performance - Google Patents
Groove butterfly valve with good sealing performance Download PDFInfo
- Publication number
- CN221075269U CN221075269U CN202322341827.6U CN202322341827U CN221075269U CN 221075269 U CN221075269 U CN 221075269U CN 202322341827 U CN202322341827 U CN 202322341827U CN 221075269 U CN221075269 U CN 221075269U
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- valve
- valve rod
- groove
- shaft sleeve
- sleeve
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- 238000007789 sealing Methods 0.000 title claims abstract description 52
- 238000009434 installation Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004078 waterproofing Methods 0.000 abstract description 3
- 239000000945 filler Substances 0.000 description 3
- 238000010586 diagram Methods 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
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 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 groove butterfly valve with good sealing performance, which comprises a valve plate, a side rubber strip and an outer supporting seat, wherein a valve rod shaft sleeve is fixedly arranged at the top of the valve plate; according to the utility model, the valve rod connecting end at the top of the valve plate is improved, the outer side of the valve rod shaft sleeve is provided with the outer supporting seat, the supporting bearing is arranged in the bearing mounting groove formed in the outer supporting seat, the inner ring of the supporting bearing is provided with the upper sealing ring sleeved with the valve rod shaft sleeve, so that the valve rod shaft sleeve can move, and meanwhile, the upper sealing ring can be used for sealing and waterproofing, the lower part of the valve rod shaft sleeve is also provided with the lower sealing ring, and the upper sealing ring is matched to form a double sealing structure, so that the sealing effect of the connecting part of the valve rod is ensured.
Description
Technical Field
The utility model belongs to the technical field of groove butterfly valves, and relates to a groove butterfly valve with good sealing performance.
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.
The utility model discloses a high-performance double-eccentric soft sealing butterfly valve, which comprises a valve rod, a valve body, a valve plate and a valve seat, wherein the valve rod vertically penetrates through the valve body, the middle part of the valve body is hollow and penetrates through front and back, the valve plate is fixedly arranged on the valve rod and can rotate and open along with the valve rod, a filler is arranged between the valve rod and the valve body, a filler pressing plate for fixing the filler is sleeved on the valve rod, the valve seat is arranged at the connecting end of the valve plate and the valve seat, the lower end of the valve body is provided with a valve seat pressing ring for pressing the valve seat on the valve body to match with the valve plate, a corrosion-resistant layer is sprayed on the contact sealing surface of the valve body and the valve seat, a connecting hole between the valve plate and the valve rod is in a hexagonal shape, and a limit retainer ring is sleeved at the bottom end of the valve rod.
Above-mentioned valve body structure, in the junction of valve rod and valve plate, only seal through a set of seal ring, sealing performance is not enough, and the mobility is also relatively poor simultaneously, and the inside liquid of disk seat can leak along rotatory valve rod, and then influences the normal use of valve, needs to redesign the seal structure of valve rod department.
Disclosure of utility model
The utility model aims to provide a groove butterfly valve with good sealing performance so as to solve the problems in the prior art.
The aim of the utility model can be achieved by the following technical scheme:
The utility model provides a slot butterfly valve that leakproofness is good, includes valve plate, side rubber strip, outer supporting seat, valve rod body, valve rod axle sleeve, valve rod sleeve board, installation pole, upper portion seal ring and lower part seal ring, the fixed valve rod axle sleeve that is provided with in top of valve plate, the outside of valve rod axle sleeve is fixed to be provided with outer supporting seat, the mounting groove has been seted up to the fixed bottom in the outer supporting seat, the inside fixed mounting of supporting groove has supporting bearing, just supporting bearing's inner circle is fixed to be provided with the bearing inside groove, the inside fixed upper portion seal ring that is provided with of bearing inside groove, the fixed cover in upper portion seal ring is established at the top of valve rod axle sleeve, the fixed cover in bottom of valve rod axle sleeve is equipped with lower part seal ring.
In the groove butterfly valve with good sealing performance, the shaft sleeve groove is formed in the bottom of the outer supporting seat, and the valve rod shaft sleeve penetrates through the shaft sleeve groove to be fixedly connected with the valve plate.
In the groove butterfly valve with good sealing performance, a valve rod gasket is arranged between the valve plate and the valve rod shaft sleeve, and the valve rod gasket is fixedly sleeved at the bottom of the valve rod shaft sleeve.
In the groove butterfly valve with good sealing performance, the two sides of the valve plate are provided with the guide holes, the inside of each guide hole is fixedly provided with the installation rod, one end of each installation rod is fixedly connected with the side rubber strip, and the side rubber strips are arranged on the side face of the valve plate.
In the groove butterfly valve with good sealing performance, the locking screw hole is formed in one end of the mounting rod, the mounting rod is fixed inside the valve plate through the locking bolt, and one end of the locking bolt is in threaded sleeve joint with the locking screw hole.
In the groove butterfly valve with good sealing performance, the top end of the valve rod shaft sleeve is fixedly connected with the valve rod body, the top end of the outer supporting seat is fixedly provided with the valve rod sleeve plate, and the valve rod body is movably sleeved with the valve rod sleeve plate.
Compared with the prior art, the groove butterfly valve with good sealing performance has the advantages that:
according to the application, the valve rod connecting end at the top of the valve plate is improved, the outer side of the valve rod shaft sleeve is provided with the outer supporting seat, the supporting bearing is arranged in the bearing mounting groove formed in the outer supporting seat, the inner ring of the supporting bearing is provided with the upper sealing ring sleeved with the valve rod shaft sleeve, so that the valve rod shaft sleeve can move, and meanwhile, the upper sealing ring can be used for sealing and waterproofing, the lower part of the valve rod shaft sleeve is also provided with the lower sealing ring, and the upper sealing ring is matched to form a double sealing structure, so that the sealing effect of the connecting part of the valve rod is ensured.
Drawings
FIG. 1 is a schematic diagram of a groove butterfly valve with good sealing performance.
FIG. 2 is a schematic diagram of a valve stem shaft sleeve structure of a groove butterfly valve with good sealing performance.
FIG. 3 is a schematic view of the outer support seat structure of the groove butterfly valve with good sealing performance.
FIG. 4 is a schematic view of the mounting rod of the groove butterfly valve with good sealing performance.
FIG. 5 is an enlarged schematic view of the valve stem sleeve of the groove butterfly valve with good sealing performance.
In the figure, 1, a valve plate; 2. a side rubber strip; 3. an outer support base; 4. a valve stem body; 5. a valve rod shaft sleeve; 6. a valve stem sleeve plate; 7. a bearing mounting groove; 8. a sleeve groove; 9. a mounting rod; 10. locking the screw hole; 11. an upper seal collar; 12. a support bearing; 13. a lower seal collar; 14. a valve stem gasket.
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 slot butterfly valve that leakproofness is good, including valve plate 1, side rubber strip 2, outer supporting seat 3, valve rod body 4, valve rod axle sleeve 5, valve rod sleeve board 6, installation pole 9, upper portion seal ring 11 and lower part seal ring 13, the fixed valve rod axle sleeve 5 that is provided with in top of valve plate 1, the outside of valve rod axle sleeve 5 is fixed to be provided with outer supporting seat 3, bearing mounting groove 7 has been seted up to the fixed bottom in the outer supporting seat 3, the inside fixed mounting of bearing mounting groove 7 has supporting bearing 12, and supporting bearing 12's the fixed bearing inside groove that is provided with of inner circle, bearing inside groove's the fixed upper portion seal ring 11 that is provided with of inside, the top at valve rod axle sleeve 5 is established to the fixed cover of upper portion seal ring 11, the fixed cover in bottom of valve rod axle sleeve 5 is equipped with lower part seal ring 13.
As shown in fig. 1, 2, 3, 4 and 5, the groove butterfly valve with good sealing performance is specifically provided with a shaft sleeve groove 8 at the bottom of the outer supporting seat 3, and the valve rod shaft sleeve 5 passes through the shaft sleeve groove 8 to be fixedly connected with the valve plate 1.
As shown in fig. 1, 2, 3, 4 and 5, the groove butterfly valve with good sealing performance is specifically provided with a valve rod gasket 14 between a valve plate 1 and a valve rod shaft sleeve 5, and the valve rod gasket 14 is fixedly sleeved at the bottom of the valve rod shaft sleeve 5.
As shown in fig. 1, 2, 3, 4 and 5, the groove butterfly valve with good sealing performance is specifically provided with guide holes on two sides of a valve plate 1, a mounting rod 9 is fixedly arranged in the guide holes, one end of the mounting rod 9 is fixedly connected with a side rubber strip 2, and the side rubber strip 2 is arranged on the side surface of the valve plate 1.
As shown in fig. 1, 2, 3, 4 and 5, the groove butterfly valve with good sealing performance is provided, specifically, one end of a mounting rod 9 is provided with a locking screw hole 10, the mounting rod 9 is fixed in the valve plate 1 through a locking bolt, and one end of the locking bolt is in threaded sleeve joint with the locking screw hole 10.
As shown in fig. 1, 2, 3, 4 and 5, the groove butterfly valve with good sealing performance is provided, specifically, the top end of the valve rod shaft sleeve 5 is fixedly connected with the valve rod body 4, the top end of the outer supporting seat 3 is fixedly provided with the valve rod sleeve plate 6, and the valve rod body 4 is movably sleeved with the valve rod sleeve plate 6.
The groove butterfly valve with good sealing performance is characterized in that the valve rod connecting end at the top of a valve plate 1 is improved, the top of a valve rod shaft sleeve 5 is provided with a valve rod body 4, the outer side of the valve rod shaft sleeve 5 is provided with an outer supporting seat 3, a supporting bearing 12 is arranged in a bearing mounting groove 7 formed in the outer supporting seat 3, an inner ring of the supporting bearing 12 is provided with an upper sealing ferrule 11 sleeved with the valve rod shaft sleeve 5, so that the valve rod shaft sleeve 5 can move, sealing and waterproofing can be carried out through the upper sealing ferrule 11, the lower part of the valve rod shaft sleeve 5 is also provided with a lower sealing ferrule 13, and the lower sealing ferrule is matched with the upper sealing ferrule 11 to form a double sealing structure, so that the sealing effect of a valve rod connecting position is ensured.
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 slot butterfly valve that leakproofness is good, includes valve plate (1), side rubber strip (2), outer supporting seat (3), valve rod body (4), valve rod axle sleeve (5), valve rod sleeve board (6), installation pole (9), upper portion seal ring (11) and lower part seal ring (13), a serial communication port, the fixed valve rod axle sleeve (5) that is provided with in top of valve plate (1), the outside of valve rod axle sleeve (5) is fixed to be provided with outer supporting seat (3), bearing mounting groove (7) have been fixedly seted up to the bottom in outer supporting seat (3), the inside fixed mounting of bearing mounting groove (7) has supporting bearing (12), just the fixed bearing inside groove that is provided with of inner circle of supporting bearing (12), the inside fixed upper portion seal ring (11) that is provided with of bearing inside groove, upper portion seal ring (11) fixed cover is established at the top of valve rod axle sleeve (5), the fixed cover in bottom of valve rod axle sleeve (5) is equipped with lower part seal ring (13).
2. The groove butterfly valve with good sealing performance according to claim 1, wherein a shaft sleeve groove (8) is formed in the bottom of the outer supporting seat (3), and the valve rod shaft sleeve (5) penetrates through the shaft sleeve groove (8) to be fixedly connected with the valve plate (1).
3. The groove butterfly valve with good sealing performance according to claim 2, wherein a valve rod gasket (14) is arranged between the valve plate (1) and the valve rod shaft sleeve (5), and the valve rod gasket (14) is fixedly sleeved at the bottom of the valve rod shaft sleeve (5).
4. The groove butterfly valve with good sealing performance according to claim 1, wherein guide holes are formed in two sides of the valve plate (1), an installation rod (9) is fixedly installed in the guide holes, one end of the installation rod (9) is fixedly connected with a side rubber strip (2), and the side rubber strip (2) is arranged on the side face of the valve plate (1).
5. The groove butterfly valve with good sealing performance according to claim 4, wherein a locking screw hole (10) is formed in one end of the mounting rod (9), the mounting rod (9) is fixed inside the valve plate (1) through a locking bolt, and one end of the locking bolt is in threaded sleeve joint with the locking screw hole (10).
6. The groove butterfly valve with good sealing performance according to claim 1, wherein the top end of the valve rod shaft sleeve (5) is fixedly connected with a valve rod body (4), the top end of the outer supporting seat (3) is fixedly provided with a valve rod sleeve plate (6), and the valve rod body (4) is movably sleeved with the valve rod sleeve plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322341827.6U CN221075269U (en) | 2023-08-29 | 2023-08-29 | Groove butterfly valve with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322341827.6U CN221075269U (en) | 2023-08-29 | 2023-08-29 | Groove butterfly valve with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221075269U true CN221075269U (en) | 2024-06-04 |
Family
ID=91261412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322341827.6U Active CN221075269U (en) | 2023-08-29 | 2023-08-29 | Groove butterfly valve with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221075269U (en) |
-
2023
- 2023-08-29 CN CN202322341827.6U patent/CN221075269U/en active Active
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