CN215673628U - Butterfly valve structure with adjustable sealing degree - Google Patents
Butterfly valve structure with adjustable sealing degree Download PDFInfo
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- CN215673628U CN215673628U CN202121201452.8U CN202121201452U CN215673628U CN 215673628 U CN215673628 U CN 215673628U CN 202121201452 U CN202121201452 U CN 202121201452U CN 215673628 U CN215673628 U CN 215673628U
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Abstract
The utility model discloses a butterfly valve structure capable of adjusting the sealing degree, which comprises a valve seat, a valve plate, a sealing washer, an adjusting butterfly rod and a valve butterfly rod, wherein the valve seat is provided with a valve seat; the top of the valve seat is provided with a first mounting hole, the bottom of the valve seat is provided with a second mounting hole, and the first mounting hole and the second mounting hole are coaxially arranged; the adjusting butterfly rod is inserted into the valve seat through the first mounting hole, and the valve butterfly rod is inserted into the valve seat through the second mounting hole; the valve plate is arranged in the center of the valve seat, the outer ring of the valve plate is matched with the inner ring of the valve seat, and the adjusting butterfly rod and the valve butterfly rod are inserted into the valve plate after passing through the first mounting hole and the second mounting hole; the adjusting butterfly rod is connected with a jacking mechanism of the valve plate in a driving way; the valve butterfly rod is connected with the valve plate in a driving way; the sealing washer is sleeved in the sealing groove on the periphery of the valve plate.
Description
Technical Field
The utility model relates to the technical field of butterfly valves, in particular to a butterfly valve structure with adjustable sealing degree.
Background
The butterfly valve is a valve which uses a disc type opening and closing piece to rotate back and forth by about 90 degrees to open, close or adjust the medium flow, has simple structure, small volume, light weight, less material consumption, small installation size, small driving moment, simple and convenient operation and rapidness, and also has good flow adjusting function and closing sealing characteristic, and is one of the fastest valve varieties developed in the last ten years; the one deck rubber circle is set up in the disk seat inboard to current butterfly valve, and when the butterfly plate rotated to the closure state, the butterfly plate edge contacted with the rubber circle, prevented the fluid seepage, improved the leakproofness, and when fluid temperature was higher, the rubber circle texture became soft easily, and when fluid temperature was lower, the rubber circle received cold shrink easily, all made the butterfly plate can not be inseparable with the laminating of rubber circle to influence the leakproofness of butterfly valve, sealed effect is relatively poor.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome the defects in the prior art, the butterfly valve structure with the adjustable sealing degree can effectively improve the sealing performance of the structure.
The technical scheme is as follows: in order to achieve the purpose, the butterfly valve structure with the adjustable sealing degree comprises a valve seat, a valve plate, a sealing gasket, an adjusting butterfly rod and a valve butterfly rod; the top of the valve seat is provided with a first mounting hole, the bottom of the valve seat is provided with a second mounting hole, and the first mounting hole and the second mounting hole are coaxially arranged; the adjusting butterfly rod is inserted into the valve seat through the first mounting hole, and the valve butterfly rod is inserted into the valve seat through the second mounting hole; the valve plate is arranged in the center of the valve seat, the outer ring of the valve plate is matched with the inner ring of the valve seat, and the adjusting butterfly rod and the valve butterfly rod are inserted into the valve plate after passing through the first mounting hole and the second mounting hole; the adjusting butterfly rod is connected with a jacking mechanism of the valve plate in a driving way; the valve butterfly rod is connected with the valve plate in a driving way; the sealing washer is sleeved in the sealing groove on the periphery of the valve plate.
Further, the tightening mechanism comprises a first top sheet and a second top sheet; one end of the adjusting butterfly rod, which is inserted into the valve plate, is provided with a first top groove and a second top groove; the first top groove and the second top groove are formed along the length direction of the adjusting butterfly rod, and are symmetrically arranged by adjusting the axis of the butterfly rod; the rotating end of the first top plate is rotatably connected to the upper end and the lower end of the first top groove through a shaft rod, the tight-pushing end of the first top plate is exposed out of the groove bottom of the sealing groove, and the tight-pushing end of the first top plate corresponds to the sealing washer; the rotating end of the second top plate is rotatably connected to the upper end and the lower end of the second top groove through a shaft rod, the tight-pushing end of the second top plate is exposed out of the groove bottom of the sealing groove, and the tight-pushing end of the second top plate corresponds to the sealing washer.
Furthermore, one surface of the sealing washer, which is contacted with the inner ring of the valve seat, is a frosted surface; a relief groove is formed in one surface, which is contacted with the outer ring of the valve plate, of the sealing gasket; and the abdicating grooves are arranged along the outer edge of the sealing washer in the annular direction.
Furthermore, clamping grooves are formed in two sides of the intersection positions of the sealing washer, the adjusting butterfly rod and the valve butterfly rod, and the clamping grooves are formed in the width direction of the sealing washer; the bottom edges of two sides of the clamping groove along the length direction of the clamping groove are of chamfer angle structures; a V-shaped spring piece is arranged in the clamping groove; elastic ends on two sides of the V-shaped spring piece respectively correspond to inner walls on two sides of the clamping groove in the length direction, and a pushing spring is arranged between the elastic ends on the two sides of the V-shaped spring piece.
Has the advantages that: the butterfly valve structure with adjustable sealing degree can effectively improve the sealing property of the structure, and comprises the following technical effects:
1) the jacking mechanism is arranged to push out the sealing washer to the periphery, so that the valve seat and the valve plate are closer, and the sealing performance is improved;
2) the arrangement of the abdicating groove enables the sealing washer to be deformed more easily, and then the thrust required in the process of tightly propping the sealing washer by the first top plate and the second top plate is reduced, so that the sealing washer is easier to operate.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a structural view of the tightening mechanism of the present invention;
FIG. 3 is a schematic view of a first topsheet and a second topsheet of the present invention;
fig. 4 is a view showing the structure of a clamping groove of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in figures 1-4: a butterfly valve structure capable of adjusting the sealing degree comprises a valve seat 1, a valve plate 2, a sealing washer 3, an adjusting butterfly rod 4 and a valve butterfly rod 5; the top of the valve seat 1 is provided with a first mounting hole, the bottom of the valve seat is provided with a second mounting hole, and the first mounting hole and the second mounting hole are coaxially arranged; the adjusting butterfly rod 4 is inserted into the valve seat 1 through a first mounting hole, and the valve butterfly rod 5 is inserted into the valve seat 1 through a second mounting hole; the valve plate 2 is arranged in the center of the valve seat 1, the outer ring of the valve plate 2 is matched with the inner ring of the valve seat 1, and the adjusting butterfly rod 4 and the valve butterfly rod 5 are inserted into the valve plate 2 after passing through the first mounting hole and the second mounting hole; the adjusting butterfly rod 4 is connected with a jacking mechanism of the valve plate 2 in a driving way; the valve butterfly rod 5 is connected with the valve plate 2 in a driving way; the sealing washer 3 is sleeved in the sealing groove at the peripheral side of the valve plate 2; the valve plate 2 is driven to rotate by rotating the valve butterfly rod 5, so that the flow speed of water flow is controlled; when the valve plate 2 is in a closed state, the adjusting butterfly rod 4 can be rotated to drive the jacking mechanism, and the jacking mechanism pushes out the sealing washer 3 to the periphery, so that the gap between the valve seat 1 and the valve plate 2 is tighter, and the sealing performance is improved.
The jacking mechanism comprises a first top sheet 21 and a second top sheet 22; one end of the adjusting butterfly rod 4 inserted into the valve plate 2 is provided with a first top groove 41 and a second top groove 42; the first top groove 41 and the second top groove 42 are formed along the length direction of the adjusting butterfly rod 4, and the first top groove 41 and the second top groove 42 are symmetrically arranged by the axis of the adjusting butterfly rod 4; when the butterfly adjusting rod 4 rotates, the first top groove 41 and the second top groove 42 respectively push the first top plate 21 and the second top plate 22 to advance towards the sealing washer 3 on the outer ring through the shaft rod 43, and the sealing washer 3 is tightly pressed by the tight end of the first top plate 21 and the tight end of the second top plate 22, so that the sealing washer 3 is tightly attached to the inner ring of the valve seat 1, and the sealing performance is further improved.
The rotating end of the first top plate 21 is rotatably connected to the upper end and the lower end of the first top groove 41 through a shaft rod 43, the top tight end of the first top plate 21 is exposed out of the groove bottom of the sealing groove, and the top tight end of the first top plate 21 corresponds to the sealing washer 3; the rotating end of the second top plate 22 is rotatably connected to the upper end and the lower end of the second top groove 42 through a shaft rod 43, the top tight end of the second top plate 22 is exposed out of the groove bottom of the sealing groove, and the top tight end of the second top plate 22 corresponds to the sealing washer 3.
One surface of the sealing washer 3, which is contacted with the inner ring of the valve seat 1, is a frosted surface; a abdicating groove 31 is formed in one surface, which is contacted with the outer ring of the valve plate 2, of the sealing washer 3; the plurality of the abdicating grooves 31 are arranged along the outer edge of the sealing washer 3 in the circumferential direction; the relief groove 31 makes the thickness of the sealing washer 3 thinner in a partial region, so that the sealing washer is easier to deform, and the thrust required in the process of pressing the first top plate 21 and the second top plate 22 against the sealing washer 3 is reduced.
The two sides of the intersection position of the sealing washer 3, the adjusting butterfly rod 4 and the valve butterfly rod 5 are both provided with clamping grooves 32, and the clamping grooves 32 are arranged along the width direction of the sealing washer 3; the bottom edges of the two sides of the clamping groove 32 along the length direction are of chamfer angle structures; a V-shaped spring piece 321 is arranged in the clamping groove 32; elastic ends on two sides of the V-shaped spring piece 321 correspond to inner walls on two sides of the clamping groove 32 in the length direction, and a pushing spring 322 is arranged between the elastic ends on the two sides of the V-shaped spring piece 321; the clamping groove 32 can increase the sealing performance of the intersection positions of the adjusting butterfly rod 4 and the valve butterfly rod 5 and the sealing washer 3; the chamfer angle structure of the two side bases of the clamping groove 32 can shorten the distance from the inner wall of the upper end to the adjusting butterfly rod 4 and the valve butterfly rod 5, so that the sealing washer 3 of the part is thinner, larger deformation can be generated under the same acting force of the V-shaped spring piece 321, the adjusting butterfly rod 4 and the valve butterfly rod 5 can be better wrapped, and the sealing performance is improved.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.
Claims (4)
1. The utility model provides a butterfly valve structure of adjustable leakproofness which characterized in that: comprises a valve seat (1), a valve plate (2), a sealing gasket (3), an adjusting butterfly rod (4) and a valve butterfly rod (5); the top of the valve seat (1) is provided with a first mounting hole, the bottom of the valve seat is provided with a second mounting hole, and the first mounting hole and the second mounting hole are coaxially arranged; the adjusting butterfly rod (4) is inserted into the valve seat (1) through a first mounting hole, and the valve butterfly rod (5) is inserted into the valve seat (1) through a second mounting hole; the valve plate (2) is arranged in the center of the valve seat (1), the outer ring of the valve plate (2) is matched with the inner ring of the valve seat (1), and the adjusting butterfly rod (4) and the valve butterfly rod (5) are inserted into the valve plate (2) after passing through the first mounting hole and the second mounting hole; the adjusting butterfly rod (4) is connected with a jacking mechanism of the valve plate (2) in a driving way; the valve butterfly rod (5) is connected with the valve plate (2) in a driving way; the sealing washer (3) is sleeved in the sealing groove on the peripheral side of the valve plate (2).
2. The butterfly valve structure with adjustable tightness according to claim 1, characterized in that: the jacking mechanism comprises a first top sheet (21) and a second top sheet (22); one end of the adjusting butterfly rod (4) inserted into the valve plate (2) is provided with a first top groove (41) and a second top groove (42); the first top groove (41) and the second top groove (42) are formed along the length direction of the adjusting butterfly rod (4), and the first top groove (41) and the second top groove (42) are symmetrically arranged along the axis of the adjusting butterfly rod (4);
the rotating end of the first top plate (21) is rotatably connected to the upper end and the lower end of the first top groove (41) through a shaft lever (43), the tight-pushing end of the first top plate (21) is exposed out of the groove bottom of the sealing groove, and the tight-pushing end of the first top plate (21) corresponds to the sealing washer (3); the rotating end of the second top plate (22) is rotatably connected to the upper end and the lower end of the second top groove (42) through a shaft lever (43), the tightly-pushing end of the second top plate (22) is exposed out of the groove bottom of the sealing groove, and the tightly-pushing end of the second top plate (22) corresponds to the sealing washer (3).
3. The butterfly valve structure with adjustable tightness according to claim 1, characterized in that: one surface of the sealing washer (3) which is contacted with the inner ring of the valve seat (1) is a frosted surface; a relief groove (31) is formed in one surface, which is contacted with the outer ring of the valve plate (2), of the sealing washer (3); a plurality of the abdicating grooves (31) are arranged along the outer edge of the sealing washer (3) in the circumferential direction.
4. A butterfly valve structure with adjustable tightness according to claim 3, characterized in that: clamping grooves (32) are formed in two sides of the intersection position of the sealing washer (3), the adjusting butterfly rod (4) and the valve butterfly rod (5), and the clamping grooves (32) are arranged along the width direction of the sealing washer (3); the bottom edges of two sides of the clamping groove (32) along the length direction are of chamfer angle structures; a V-shaped spring piece (321) is arranged in the clamping groove (32); elastic ends on two sides of the V-shaped spring piece (321) respectively correspond to inner walls on two sides of the clamping groove (32) in the length direction, and a pushing spring (322) is arranged between the elastic ends on the two sides of the V-shaped spring piece (321).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121201452.8U CN215673628U (en) | 2021-05-27 | 2021-05-27 | Butterfly valve structure with adjustable sealing degree |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121201452.8U CN215673628U (en) | 2021-05-27 | 2021-05-27 | Butterfly valve structure with adjustable sealing degree |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215673628U true CN215673628U (en) | 2022-01-28 |
Family
ID=79973391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121201452.8U Active CN215673628U (en) | 2021-05-27 | 2021-05-27 | Butterfly valve structure with adjustable sealing degree |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215673628U (en) |
-
2021
- 2021-05-27 CN CN202121201452.8U patent/CN215673628U/en active Active
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