CN211951472U - Butterfly valve seat - Google Patents
Butterfly valve seat Download PDFInfo
- Publication number
- CN211951472U CN211951472U CN202020112126.9U CN202020112126U CN211951472U CN 211951472 U CN211951472 U CN 211951472U CN 202020112126 U CN202020112126 U CN 202020112126U CN 211951472 U CN211951472 U CN 211951472U
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- valve seat
- butterfly
- seat body
- screw hole
- mounting
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Abstract
The utility model discloses a butterfly valve disk seat, including disk seat body, sealing washer and sealed recess, the sealing washer is installed to the inboard of disk seat body, and the inside both sides of sealing washer all are provided with sealed recess, expanding spring is all evenly installed to the inside of sealed recess, and expanding spring keeps away from the one end of disk seat body and all installs joint strip, the intermediate position department at sealing washer top is provided with third butterfly rod mounting hole. The utility model discloses install sealing washer, joint strip and expanding spring to be provided with arc recess and arc bellying on joint strip, when the butterfly plate was closed, the border position department block of butterfly plate was in the arc recess, and the separation through arc bellying makes in liquid and gas can not enter into the arc recess, makes and keeps sealed between joint strip and the butterfly plate, thereby can improve device's leakproofness, can effectively prevent liquid and gas leakage.
Description
Technical Field
The utility model relates to a butterfly valve accessory technical field specifically is a butterfly valve disk seat.
Background
A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve with a closing member (a valve clack or a butterfly plate) which is a disc and rotates around a valve shaft to open and close, the valve can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil, liquid metal, radioactive media and the like, a valve seat is a main body of the butterfly valve, the butterfly plate is arranged in the valve seat, the flow can be regulated through the rotation of the butterfly plate, the sealing ring is arranged on the inner side of the valve seat in the conventional butterfly valve seat in order to improve the sealing property, the sealing property is improved through the matching of the sealing ring and the butterfly plate, however, in order to enable the butterfly plate to rotate, the inner diameter ratio of the sealing ring is larger than the diameter of the butterfly plate, so that the butterfly plate is attached to the inner diameter of the sealing ring, when the pressure of gas or, thereby influence the leakproofness, simultaneously, the sealing washer is after using a period, and the sealing washer produces wearing and tearing and corrosion easily to make the clearance increase between sealing washer and the butterfly plate, the sealing washer of current butterfly valve disk seat can not be changed alone, need wholly change the disk seat, and the maintenance cost is higher, and causes the wasting of resources.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a butterfly valve disk seat to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a butterfly valve disk seat, includes disk seat body, sealing washer and sealed recess, the sealing washer is installed to disk seat body's inboard, and the inside both sides of sealing washer all are provided with sealed recess, expanding spring is all evenly installed all to the inside of sealed recess, and expanding spring keeps away from the one end of disk seat body and all installs joint strip, the intermediate position department at sealing washer top is provided with third butterfly rod mounting hole, and the intermediate position department of sealing washer bottom is provided with first butterfly rod mounting hole, the one end at disk seat body top is provided with third installation screw, and the internal thread of third installation screw installs second construction bolt, the one end that third installation screw was kept away from to disk seat body bottom is provided with first installation screw, and the internal thread of first installation screw installs first construction bolt.
Preferably, the middle position of one end of the sealing rubber strip far away from the telescopic spring is provided with an arc-shaped groove, and the two sides of one end of the sealing rubber strip far away from the telescopic spring are provided with arc-shaped protruding parts.
Preferably, a fourth butterfly rod mounting hole is formed in the middle of the top of the valve seat body, and a second butterfly rod mounting hole is formed in the middle of the bottom of the valve seat body.
Preferably, a second mounting screw hole matched with the first mounting bolt is arranged at the position, right opposite to the first mounting screw hole, of the bottom of the sealing ring, and a fourth mounting screw hole matched with the second mounting bolt is arranged at the position, right opposite to the third mounting screw hole, of the top of the sealing ring.
Preferably, the valve seat installation piece is evenly installed in the outside of valve seat body, and the inside of valve seat installation piece all is provided with the mounting hole.
Preferably, the rubber cap is installed to the one end that the valve seat body was kept away from to first mounting bolt, and the outside of rubber cap is provided with anti-skidding line.
Compared with the prior art, the beneficial effects of the utility model are that: the butterfly valve seat is provided with a sealing ring, a sealing rubber strip and a telescopic spring, the sealing rubber strip is provided with an arc-shaped groove and an arc-shaped bulge, when the butterfly plate is closed, the edge position of the butterfly plate is clamped in the arc-shaped groove, liquid and gas can not enter the arc-shaped groove through the separation of the arc-shaped bulge, so that the sealing rubber strip and the butterfly plate are kept sealed, the sealing performance of the device can be improved, the liquid and gas leakage can be effectively prevented, meanwhile, the device is provided with a first mounting bolt and a second mounting bolt, and is provided with a first mounting screw hole, a second mounting screw hole, a third mounting screw hole and a fourth mounting screw hole which are matched for use, the first mounting bolt is screwed out from the second mounting screw hole, the second mounting bolt is screwed out from the fourth mounting screw hole, the sealing ring can be replaced, when the sealing ring is abraded or rusted seriously, the sealing ring can be replaced independently, the valve seat body does not need to be integrally replaced, so that the maintenance cost is reduced, and the resource waste is reduced.
Drawings
Fig. 1 is a schematic front sectional view of the present invention;
fig. 2 is a schematic front view of the present invention;
fig. 3 is a schematic top view of the sealing rubber strip of the present invention.
In the figure: 1. a valve seat body; 2. a first butterfly rod mounting hole; 3. a second butterfly rod mounting hole; 4. a first mounting bolt; 5. a first mounting screw hole; 6. a second mounting screw hole; 7. a seal ring; 8. sealing the groove; 9. a third butterfly rod mounting hole; 10. a fourth butterfly rod mounting hole; 11. a second mounting bolt; 12. a third mounting screw hole; 13. a fourth mounting screw hole; 14. sealing rubber strips; 15. a valve seat mounting tab; 16. a tension spring; 17. an arc-shaped groove; 18. an arc-shaped convex part.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides an embodiment: a butterfly valve seat comprises a valve seat body 1, a sealing ring 7 and a sealing groove 8, wherein the sealing ring 7 is arranged on the inner side of the valve seat body 1, and the two sides of the inner part of the sealing ring 7 are both provided with sealing grooves 8, the inner parts of the sealing grooves 8 are both evenly provided with extension springs 16, and one end of the extension spring 16 far away from the valve seat body 1 is provided with a sealing rubber strip 14, the middle position of the top of the sealing ring 7 is provided with a third butterfly rod mounting hole 9, a first butterfly rod mounting hole 2 is arranged at the middle position of the bottom of the sealing ring 7, a third mounting screw hole 12 is arranged at one end of the top of the valve seat body 1, and the internal thread of the third mounting screw hole 12 is provided with a second mounting bolt 11, one end of the bottom of the valve seat body 1, which is far away from the third mounting screw hole 12, is provided with a first mounting screw hole 5, and the internal thread of the first mounting screw hole 5 is provided with a first mounting bolt 4.
In this implementation:
further, the intermediate position department that sealing rubber strip 14 kept away from expanding spring 16 one end all is provided with arc groove 17, and sealing rubber strip 14 keeps away from the both sides of expanding spring 16 one end and all is provided with arc bellying 18, when the butterfly plate was closed, the border position department block of butterfly plate was in arc groove 17, the separation through arc bellying 18 makes in liquid and gas can not enter into arc groove 17, make and keep sealed between sealing rubber strip 14 and the butterfly plate, thereby can improve the leakproofness of device, can effectively prevent liquid and gas leakage.
Further, a fourth butterfly rod mounting hole 10 is formed in the middle of the top of the valve seat body 1, and a second butterfly rod mounting hole 3 is formed in the middle of the bottom of the valve seat body 1, so that a butterfly rod and a butterfly plate can be mounted conveniently.
Further, the bottom of the sealing ring 7 is provided with a second mounting screw hole 6 which is matched with the first mounting bolt 4 just opposite to the position of the first mounting screw hole 5, the top of the sealing ring 7 is provided with a fourth mounting screw hole 13 which is matched with the second mounting bolt 11 just opposite to the position of the third mounting screw hole 12, the first mounting bolt 4 is screwed out of the second mounting screw hole 6, the second mounting bolt 11 is screwed out of the fourth mounting screw hole 13, the sealing ring 7 can be replaced, when the sealing ring 7 is abraded or corroded seriously, the sealing ring 7 can be replaced independently, the whole valve seat body 1 does not need to be replaced, the maintenance cost is reduced, and the resource waste is reduced.
Further, valve seat installation piece 15 is evenly installed in the outside of valve seat body 1, and valve seat installation piece 15's inside all is provided with the mounting hole, is convenient for install valve seat body 1.
Further, the rubber cap is installed to the one end that first construction bolt 4 kept away from disk seat body 1, and the outside of rubber cap is provided with anti-skidding line, is convenient for twist first construction bolt 4.
The working principle is as follows: when the butterfly plate is closed, the butterfly plate rotates and contacts with the arc-shaped protruding part 18 on the sealing rubber strip 14 first, the sealing rubber strip 14 is extruded by the butterfly plate and compresses the expansion spring 16, the butterfly plate continues to rotate, when the butterfly plate is completely closed, the butterfly plate slides into the arc-shaped groove 17 through the arc-shaped protruding part 18, the elastic action of the expansion spring 16 pushes the sealing rubber strip 14 to enable the inner side of the arc-shaped groove 17 to be tightly attached to the butterfly plate, liquid and gas can not enter the arc-shaped groove 17 through the separation of the arc-shaped protruding part 18, so that the sealing rubber strip 14 and the butterfly plate are kept sealed, when the butterfly plate is opened, the butterfly plate rotates out from the arc-shaped groove 17 and contacts with the arc-shaped protruding part 18, the sealing rubber strip 14 is extruded by the butterfly plate and compresses the expansion spring 16, so that the sealing rubber strip 14 can not block the rotation of the butterfly plate, the butterfly plate can rotate out from the sealing rubber strip 14, and when the sealing ring, can change sealing washer 7 alone, earlier screw out first construction bolt 4 from second installation screw 6, then screw out second construction bolt 11 from fourth installation screw 13, can wholly dismantle sealing washer 7 from valve seat body 1 is inside, then put into valve seat body 1 with new sealing washer 7, screw in first construction bolt 4 in second installation screw 6, and screw in second construction bolt 11 in fourth installation screw 13, can be fixed in valve seat body 1 inside with new sealing washer 7, thereby accomplish sealing washer 7's change process.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a butterfly valve disk seat, includes disk seat body (1), sealing washer (7) and sealed recess (8), its characterized in that: a sealing ring (7) is arranged on the inner side of the valve seat body (1), sealing grooves (8) are arranged on two sides of the inner part of the sealing ring (7), the inside of the sealing groove (8) is uniformly provided with telescopic springs (16), and one end of the extension spring (16) far away from the valve seat body (1) is provided with a sealing rubber strip (14), a third butterfly rod mounting hole (9) is arranged at the middle position of the top of the sealing ring (7), and the middle position of the bottom of the sealing ring (7) is provided with a first butterfly rod mounting hole (2), one end of the top of the valve seat body (1) is provided with a third mounting screw hole (12), and the inner thread of the third mounting screw hole (12) is provided with a second mounting bolt (11), a first mounting screw hole (5) is arranged at one end of the bottom of the valve seat body (1) far away from the third mounting screw hole (12), and a first mounting bolt (4) is mounted on the inner thread of the first mounting screw hole (5).
2. A butterfly valve seat in accordance with claim 1, wherein: the middle position of one end, far away from the telescopic spring (16), of the sealing rubber strip (14) is provided with an arc-shaped groove (17), and the two sides, far away from the telescopic spring (16), of the sealing rubber strip (14) are provided with arc-shaped protruding parts (18).
3. A butterfly valve seat in accordance with claim 1, wherein: a fourth butterfly rod mounting hole (10) is formed in the middle of the top of the valve seat body (1), and a second butterfly rod mounting hole (3) is formed in the middle of the bottom of the valve seat body (1).
4. A butterfly valve seat in accordance with claim 1, wherein: and a second mounting screw hole (6) matched with the first mounting bolt (4) is formed in the position, right opposite to the first mounting screw hole (5), of the bottom of the sealing ring (7), and a fourth mounting screw hole (13) matched with the second mounting bolt (11) is formed in the position, right opposite to the third mounting screw hole (12), of the top of the sealing ring (7).
5. A butterfly valve seat in accordance with claim 1, wherein: the outer side of the valve seat body (1) is uniformly provided with valve seat installation pieces (15), and installation holes are formed in the valve seat installation pieces (15).
6. A butterfly valve seat in accordance with claim 1, wherein: the rubber cap is installed to the one end that disk seat body (1) was kept away from in first construction bolt (4), and the outside of rubber cap is provided with anti-skidding line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020112126.9U CN211951472U (en) | 2020-01-19 | 2020-01-19 | Butterfly valve seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020112126.9U CN211951472U (en) | 2020-01-19 | 2020-01-19 | Butterfly valve seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211951472U true CN211951472U (en) | 2020-11-17 |
Family
ID=73173190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020112126.9U Active CN211951472U (en) | 2020-01-19 | 2020-01-19 | Butterfly valve seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211951472U (en) |
-
2020
- 2020-01-19 CN CN202020112126.9U patent/CN211951472U/en active Active
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