CN221003801U - Flange butterfly valve double eccentric structure - Google Patents
Flange butterfly valve double eccentric structure Download PDFInfo
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- CN221003801U CN221003801U CN202322835537.7U CN202322835537U CN221003801U CN 221003801 U CN221003801 U CN 221003801U CN 202322835537 U CN202322835537 U CN 202322835537U CN 221003801 U CN221003801 U CN 221003801U
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- 238000007789 sealing Methods 0.000 claims abstract description 74
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a flange type butterfly valve double-eccentric structure, which comprises a valve body, wherein a valve plate is rotatably arranged in the valve body through a valve rod, a valve seat is arranged at the joint of the valve body and the valve rod, a handle is arranged at the top end of the valve rod, adjusting mechanisms are arranged at two sides of the valve body, each adjusting mechanism comprises two first sealing rings and two second sealing rings, the first sealing rings are fixedly arranged at two sides of the valve body respectively, the second sealing rings are arranged at one side of the first sealing ring, which is far away from the valve body, a fastening bolt is arranged at the joint penetrating through the first sealing rings and the second sealing rings, a connecting pipe is fixedly connected at one side of the second sealing ring, which is far away from the first sealing rings, and a clamping ring I is fixedly connected at the inner wall of the valve body and at the position close to the first sealing rings; the flange type butterfly valve double-eccentric structure reduces the probability of disassembly and assembly damage of the valve body, is convenient for reducing leakage probability and improves sealing effect.
Description
Technical Field
The utility model relates to the technical field of eccentric butterfly valves, in particular to a flange type butterfly valve double-eccentric structure.
Background
The double eccentric butterfly valve is also called as a high-performance butterfly valve, is mainly suitable for drainage of systems such as water plants, power plants, steel plants and the like, and compared with a center line butterfly valve, the double eccentric butterfly valve is more high-pressure resistant, longer in service life and good in stability, and common eccentric butterfly valves comprise a butt clamp type butterfly valve and a flange type butterfly valve;
When current double eccentric butterfly valve uses, mounting structure is comparatively single, when the orientation of adjustment valve plate and handle, needs wholly to dismantle, comparatively loaded down with trivial details, and needs the sealing washer to seal again after the adjustment, and sealed effect is relatively poor, and adjustment efficiency is lower.
Disclosure of utility model
The utility model mainly aims to provide a flange type butterfly valve double-eccentric structure which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The flange type butterfly valve double-eccentric structure comprises a valve body, wherein a valve plate is rotatably arranged in the valve body through a valve rod, a valve seat is arranged at the joint of the valve body and the valve rod, and a handle is arranged at the top end of the valve rod;
The valve is characterized in that adjusting mechanisms are arranged on two sides of the valve body, each adjusting mechanism comprises two first sealing rings and two second sealing rings, the first sealing rings are respectively and fixedly arranged on two sides of the valve body, the second sealing rings are arranged on one sides of the first sealing rings, which are far away from the valve body, fastening bolts penetrate through the joints of the first sealing rings and the second sealing rings, one sides of the second sealing rings, which are far away from the first sealing rings, are fixedly connected with connecting pipes, the inner walls of the valve body are fixedly connected with first clamping rings, the positions, which are close to the first sealing rings, of the two sealing rings are fixedly connected with fixed rings, the two sides, which are close to the valve body, of the fixed rings are connected with second clamping rings, which are matched with the first clamping rings, of the two clamping rings.
As a further scheme of the utility model, a clamping groove matched with the clamping ring II is formed at the joint of the clamping ring I and the sealing ring I, and one side, far away from the movable ring, of the clamping ring II is attached to the inner wall of the clamping groove.
As a further scheme of the utility model, a sealing groove is arranged at the joint of the movable ring and the second clamping ring, and a rubber sealing ring is arranged in the sealing groove.
As a further scheme of the utility model, one side of each connecting pipe far away from the second sealing ring is fixedly connected with a sealing flange, and the valve body is rotationally connected with the connecting pipe through the first clamping ring and the movable ring.
As a further scheme of the utility model, the outer ring of the first clamping ring is attached to the outer ring of the second clamping ring and the outer ring of the movable ring, and the movable ring is in sliding connection with the outer ring of the second clamping ring and the inner wall of the connecting pipe.
As a further scheme of the utility model, a plurality of compensation springs are equidistantly arranged on the fixed ring, and two ends of the compensation springs are fixedly connected with the movable ring and the fixed ring respectively.
Compared with the prior art, the utility model has the following beneficial effects:
According to the utility model, the adjusting mechanism and the valve body are arranged, when the rotation direction of the handle is adjusted, the fixing mode of the first sealing ring and the second sealing ring can be released by unscrewing the fastening bolt, and then the valve body is rotated to adjust, so that each part is not required to be disassembled in sequence, the adjusting process is simple and efficient, the using effect is improved, the probability of disassembly and assembly damage of the valve body is reduced, and the service life is prolonged;
The clamping ring I, the movable ring, the rubber sealing ring and the clamping ring II are matched with each other, when steering is adjusted, the clamping ring I is clamped into the movable ring, the rubber sealing ring and the clamping ring II, and meanwhile, the clamping ring II is propped against the clamping groove of the clamping ring I, so that the joint of the clamping ring I and the clamping ring II is sealed, and the leakage probability of liquid from the joint is reduced;
Carry out elastic compensation through setting up compensation spring to snap ring two, avoid snap ring two to keep away from the draw-in groove, further improve the leakproofness, through multilayer seal, be convenient for reduce leakage probability, improve sealed effect, and can adjust when valve body and connecting pipe inside exist liquid, need not turn off, improve whole adjustment efficiency.
Drawings
FIG. 1 is a schematic diagram of the whole structure of a flange butterfly valve double eccentric structure of the utility model;
FIG. 2 is a split cross-sectional view of the whole structure of a double eccentric structure of a flange butterfly valve according to the utility model;
FIG. 3 is a top view showing the internal structure of a valve body and a connecting pipe in a double eccentric structure of a flange butterfly valve according to the present utility model;
fig. 4 is an enlarged view of area a of fig. 3 in a flange type butterfly valve double eccentric structure according to the present utility model.
In the figure: 1. a valve body; 2. a valve plate; 3. a valve stem; 4. a handle; 5. an adjusting mechanism; 6. a first sealing ring; 7. a second sealing ring; 8. a connecting pipe; 9. a fastening bolt; 10. a clamping ring I; 11. a fixing ring; 12. a movable ring; 13. a compensation spring; 14. a rubber seal ring; 15. and a second clamping ring.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-4, the flange type butterfly valve double-eccentric structure comprises a valve body 1, wherein a valve plate 2 is rotatably arranged in the valve body 1 through a valve rod 3, a valve seat is arranged at the joint of the valve body 1 and the valve rod 3, and a handle 4 is arranged at the top end of the valve rod 3;
The two sides of the valve body 1 are provided with an adjusting mechanism 5, the adjusting mechanism 5 comprises two first sealing rings 6 and two second sealing rings 7, the two first sealing rings 6 are respectively and fixedly installed on the two sides of the valve body 1, the two second sealing rings 7 are installed on one side, far away from the valve body 1, of the first sealing rings 6 and the second sealing rings 7, fastening bolts 9 are arranged at the connecting positions, penetrating through the first sealing rings 6 and the second sealing rings 7, of the second sealing rings 7, connecting pipes 8 are fixedly connected with first clamping rings 10 at the inner wall of the valve body 1 and the positions, close to the two first sealing rings 6, of the two connecting pipes 8 are fixedly connected with fixed rings 11, one sides, close to the valve body 1, of the two fixed rings 11 are connected with movable rings 12 through a plurality of compensating springs 13, and one sides, close to the valve body 1, of the two movable rings 12 are connected with second clamping rings 15 which are mutually matched with the first clamping rings 10.
In this embodiment, the joint of the first snap ring 10 and the first seal ring 6 is provided with a clamping groove matched with the second snap ring 15, one side, away from the movable ring 12, of the second snap ring 15 is attached to the inner wall of the clamping groove, and the second snap ring 15 is clamped in the clamping groove, so that the tightness of the joint of the first seal ring 6 and the second seal ring 7 is improved.
In this embodiment, the junction of expansion ring 12 and snap ring two 15 is provided with the seal groove, and the seal groove is inside to be provided with rubber seal 14, through the rubber seal 14 that sets up, improves the leakproofness, reduces the probability that liquid spills.
In this embodiment, two connecting pipes 8 keep away from the equal fixedly connected with sealing flange of one side of sealing ring two 7, and valve body 1 is connected for rotating through snap ring one 10 and expansion ring 12 and connecting pipe 8, rotates to connect and can adjust when there is liquid in valve body 1, need not to carry out whole dismantlement adjustment to valve body 1, improves adjustment efficiency.
In this embodiment, the outer ring of the first snap ring 10 is attached to the outer ring of the second snap ring 15 and the outer ring of the movable ring 12, the outer rings of the movable ring 12 and the second snap ring 15 are in sliding connection with the inner wall of the connecting pipe 8, and the sliding connection avoids the influence of the connecting pipe 8 on the movement of the movable ring 12 and the second snap ring 15.
In this embodiment, the plurality of compensation springs 13 are equidistantly arranged on the fixed ring 11, and two ends of the compensation springs 13 are respectively and fixedly connected with the movable ring 12 and the fixed ring 11, and elastic compensation is performed on the joint surface of the second clamping ring 15 and the clamping groove through the compensation springs 13, so that the tightness is further improved, and the leakage probability is reduced.
When the flange type butterfly valve double-eccentric structure is used, the valve body 1 can be mounted at a proper position through the sealing flange on the connecting pipe 8, when liquid passes through, the valve rod 3 can be driven to rotate through the rotating handle 4, so that the valve plate 2 is opened, a passage is formed in the valve body 1, the liquid normally flows through the valve body 1, and when the liquid is required to be blocked, the valve rod 3 can be driven to rotate through the reversely rotating handle 4, so that the regulating mechanism 5 can overturn and block the liquid in the valve body 1 again;
When the direction of the handle 4 is adjusted according to the use environment or other requirements, the valve body 1 is connected with the second sealing ring 7 and the connecting pipe 8 through the first sealing ring 6, so that the fastening bolt 9 can be unscrewed according to the requirements, the first sealing ring 6 and the second sealing ring 7 are released from being fixed, and then the valve body 1 can be directly rotated to be adjusted, the valve body 1 is not required to be integrally disassembled and adjusted, and the adjustment efficiency is improved;
Meanwhile, the first 10 of the clamping ring is arranged at the joint of the first 6 of the sealing ring and the second 7 of the sealing ring, the first 10 of the clamping ring is connected with the valve body 1, meanwhile, the first 10 of the clamping ring is clamped into the movable ring 12 and the second 15 of the clamping ring inside the connecting pipe 8, the first 6 of the sealing ring and the first 10 of the clamping ring are directly provided with clamping grooves, the second 15 of the clamping ring is clamped in the clamping grooves, meanwhile, the second 15 of the clamping ring props against the inner wall of the clamping grooves through the elasticity of the compensating spring 13, so that the tightness of the joint of the first 6 of the sealing ring and the second 7 of the sealing ring can be improved, the adjustment can be carried out when liquid exists in the valve body 1, and the leakage probability of the liquid from the joint is reduced.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. A flange butterfly valve double eccentric structure, its characterized in that: the valve comprises a valve body (1), wherein a valve plate (2) is rotatably arranged in the valve body (1) through a valve rod (3), a valve seat is arranged at the joint of the valve body (1) and the valve rod (3), and a handle (4) is arranged at the top end of the valve rod (3);
The two sides of the valve body (1) are provided with an adjusting mechanism (5), the adjusting mechanism (5) comprises two first sealing rings (6) and two second sealing rings (7), the two first sealing rings (6) are respectively and fixedly arranged on the two sides of the valve body (1), the two second sealing rings (7) are arranged on one side of the first sealing rings (6) far away from the valve body (1), fastening bolts (9) penetrate through the joint of the first sealing rings (6) and the second sealing rings (7), one side of the second sealing rings (7) far away from the first sealing rings (6) is fixedly connected with a connecting pipe (8), the inner wall of valve body (1) and be close to the equal fixedly connected with snap ring first (10) in position of two sealing rings first (6), two the inside of connecting pipe (8) and be close to the equal fixedly connected with solid fixed ring (11) in position of sealing ring second (7), two gu fixed ring (11) are close to one side of valve body (1) and are connected with expansion ring (12) through a plurality of compensation springs (13), two expansion ring (12) are close to one side of valve body (1) be connected with snap ring second (15) that match each other with snap ring first (10).
2. The flange type butterfly valve double eccentric structure according to claim 1, wherein: clamping grooves matched with the clamping rings II (15) are formed in the joint of the clamping rings I (10) and the sealing rings I (6), and one side, away from the movable ring (12), of the clamping rings II (15) is attached to the inner walls of the clamping grooves.
3. The flange type butterfly valve double eccentric structure according to claim 2, wherein: the connection part of the movable ring (12) and the second clamping ring (15) is provided with a sealing groove, and a rubber sealing ring (14) is arranged in the sealing groove.
4. The flange type butterfly valve double eccentric structure according to claim 1, wherein: one side of each connecting pipe (8) far away from the second sealing ring (7) is fixedly connected with a sealing flange, and the valve body (1) is rotationally connected with the connecting pipe (8) through a first clamping ring (10) and a movable ring (12).
5. A flange butterfly valve double eccentric structure according to claim 3, characterized in that: the outer ring of the clamping ring I (10) is attached to the outer ring of the clamping ring II (15) and the outer ring of the movable ring (12), and the outer rings of the movable ring (12) and the clamping ring II (15) are in sliding connection with the inner wall of the connecting pipe (8).
6. The flange type butterfly valve double eccentric structure according to claim 1, wherein: the compensation springs (13) are equidistantly arranged on the fixed ring (11), and two ends of the compensation springs (13) are fixedly connected with the movable ring (12) and the fixed ring (11) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322835537.7U CN221003801U (en) | 2023-10-23 | 2023-10-23 | Flange butterfly valve double eccentric structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322835537.7U CN221003801U (en) | 2023-10-23 | 2023-10-23 | Flange butterfly valve double eccentric structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221003801U true CN221003801U (en) | 2024-05-24 |
Family
ID=91123454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322835537.7U Active CN221003801U (en) | 2023-10-23 | 2023-10-23 | Flange butterfly valve double eccentric structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221003801U (en) |
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2023
- 2023-10-23 CN CN202322835537.7U patent/CN221003801U/en active Active
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