CN220531924U - Cyclone interface sealing assembly - Google Patents
Cyclone interface sealing assembly Download PDFInfo
- Publication number
- CN220531924U CN220531924U CN202322101466.8U CN202322101466U CN220531924U CN 220531924 U CN220531924 U CN 220531924U CN 202322101466 U CN202322101466 U CN 202322101466U CN 220531924 U CN220531924 U CN 220531924U
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- China
- Prior art keywords
- ring
- clamping
- sealing gasket
- clamping ring
- positioning
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- 238000007789 sealing Methods 0.000 title claims abstract description 55
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 abstract description 7
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating 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
- 238000000465 moulding Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- Cyclones (AREA)
Abstract
The utility model relates to the technical field of sealing structures, and provides a cyclone interface sealing assembly, which comprises two flange plates, wherein an annular sealing gasket is clamped between the two flange plates; a plurality of abdication holes for penetrating the bolts are uniformly arranged on the sealing gasket in a surrounding manner, and a convex clamping ring is arranged on the sealing gasket; the two clamping rings are respectively arranged on the two surfaces of the sealing gasket; the flange plate is provided with a clamping groove; the clamping ring is embedded into the clamping groove, and a preset gap is reserved between the clamping ring and the side wall of the clamping groove. Therefore, the utility model avoids the leakage of materials from the clamping ring through the embedded matching of the clamping ring and the clamping groove. Meanwhile, a gap is formed between the clamping ring and the clamping groove, so that the deformation of the sealing gasket under pressure can be absorbed, the condition of loose fit between the contact surfaces of the clamping ring and the flange plate is avoided, and the overall tightness is improved.
Description
Technical Field
The utility model belongs to the technical field of sealing structures, and particularly relates to a cyclone interface sealing assembly.
Background
The cyclone is used for treating basically fluid materials, and the sealing performance of the joint position is high. Referring to fig. 2, the joint of the current cyclone mostly adopts a structure that two flanges 2 are butted. An annular sealing gasket 1 is placed between the two flange plates 2, bolts 21 are connected in a penetrating mode, and the connection of the joint positions is completed after the bolts are fastened. The gasket 1 sandwiched between the two flanges 2 plays a sealing role.
Referring to fig. 1 again, a plurality of relief holes 11 are typically formed in the conventional gasket 1 for receiving bolts. Although this structure can be better realize the connection of sealed pad 1 and two ring flanges 2, owing to sealed pad 1 is elastic material generally, can produce the deformation after bolt 21 screws up, and the degree of screwing up of different bolts 21 is different in addition, leads to the deformation volume of sealed pad 1 different, leads to local area and ring flange 2's laminating not closely, influences the leakproofness. In severe cases, slight wrinkling of the gasket 1 results in the creation of small gaps, which lead to leakage of material.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
Aiming at the defects, the clamping ring is matched with the clamping groove in an embedded mode, so that materials are prevented from leaking from the clamping groove. Meanwhile, a gap is formed between the clamping ring and the clamping groove, so that the deformation of the sealing gasket under pressure can be absorbed, the condition of loose fit between the contact surfaces of the clamping ring and the flange plate is avoided, and the overall tightness is improved.
In order to solve the problems, the utility model provides a cyclone interface sealing assembly, which comprises two flange plates, wherein an annular sealing gasket is clamped between the two flange plates; a plurality of abdication holes for penetrating the bolts are uniformly arranged on the sealing gasket in a surrounding manner, and a convex clamping ring is arranged on the sealing gasket; the two clamping rings are respectively arranged on the two surfaces of the sealing gasket; the flange plate is provided with a clamping groove; the clamping ring is embedded into the clamping groove, and a preset gap is reserved between the clamping ring and the side wall of the clamping groove.
According to the cyclone interface sealing assembly, the gap between the clamping ring and the clamping groove is not more than 0.5mm.
According to the cyclone interface sealing assembly, the cross section of the clamping ring is arc-shaped; the maximum protrusion height of the clamping ring is not more than 30% of the thickness of the sealing gasket.
According to the cyclone interface sealing assembly, the sealing gasket is further provided with two convex positioning rings, and the two positioning rings are respectively arranged on two surfaces of the sealing gasket; the diameter of the positioning ring is smaller than that of the clamping ring; the flange plate is correspondingly provided with a positioning groove matched with the positioning ring; the protrusion height of the positioning ring is larger than the maximum protrusion height of the clamping ring.
According to the cyclone interface sealing assembly, the cross section of the positioning ring is rectangular; the positioning ring is in interference fit with the positioning groove.
According to the cyclone interface sealing assembly, the top of the positioning ring is provided with the guide protrusion; two side surfaces of the guide protrusion are conical surfaces; the top of the guide bulge is of an arc structure.
In conclusion, the clamping ring is matched with the clamping groove in an embedded mode, and materials are prevented from leaking from the clamping groove. Meanwhile, a gap is formed between the clamping ring and the clamping groove, so that the deformation of the sealing gasket under pressure can be absorbed, the condition of loose fit between the contact surfaces of the clamping ring and the flange plate is avoided, and the overall tightness is improved.
Drawings
FIG. 1 is a schematic view of a prior art gasket;
FIG. 2 is a schematic illustration of a prior art seal arrangement;
FIG. 3 is a schematic view of the structure of the gasket of the present utility model;
FIG. 4 is a schematic view of the structure in the direction A-A in FIG. 3;
FIG. 5 is a schematic view of a seal structure of the present utility model;
FIG. 6 is a schematic view of the structure of the region B in FIG. 5;
in the figure: 1-a sealing gasket, 11-a abdication hole, 12-a clamping ring, 13-a positioning ring and 131-a guide bulge; 2-flange plate, 21-bolt, 22-clamping groove and 23-positioning groove.
Detailed Description
Referring to fig. 5, the utility model provides a cyclone interface sealing assembly, which comprises two flanges 2, wherein an annular sealing gasket 1 is clamped between the two flanges 2; a plurality of relief holes 11 for penetrating bolts 21 are uniformly formed on the sealing gasket 1 in a surrounding manner; referring to fig. 3, the sealing gasket 1 is provided with a convex clamping ring 12; the number of the clamping rings 12 is two, and the clamping rings are respectively arranged on the two surfaces of the sealing gasket 1; referring to fig. 6, the flange 2 is provided with a clamping groove 22; the clamping ring 12 is embedded into the clamping groove 22, and a preset gap is formed between the clamping ring and the side wall of the clamping groove 22;
after the bolts 21 are screwed down, the sealing gasket 1 is pressed and deformed, and as a gap is formed between the clamping ring 12 and the clamping groove 22, the clamping ring 12 can be expanded in the gap without constraint, the deformation of the clamping ring 12 is absorbed, and the condition of loose fit between the contact surfaces of the clamping ring 12 and the flange plate 2 is avoided.
Even if the joint is not tight or a tiny gap appears in the local area of the contact surface of the clamping ring 12 and the flange plate 2, the material can be prevented from leaking from the joint due to the matching of the clamping ring 12 and the clamping groove 22, and the tightness is improved.
According to the multiple test verification of the inventor, the clearance between the clamping ring 12 and the clamping groove 22 does not exceed 0.5mm; the gap of the smaller flange 2 can be selected to be no more than 0.3mm.
Referring to fig. 4, the cross-section of the clamping ring 12 is circular arc; the sealing gasket 1 is convenient to form, and the clamping groove 22 is also convenient to process on the flange plate 2;
further, the maximum protrusion height of the clamping ring 12 is not more than 30% of the thickness of the sealing gasket 1; the present utility model preferably ranges from 20 to 30%.
As an embodiment, in order to improve the operation convenience of the butt-joint installation of the two flanges 2, the sealing gasket 1 is further provided with two raised positioning rings 13, and the two positioning rings 13 are respectively arranged on two surfaces of the sealing gasket 1; the diameter of the positioning ring 13 is smaller than that of the clamping ring 12; positioning grooves 23 matched with the positioning rings 13 are correspondingly formed in the flange plate 2; the protrusion height of the positioning ring 13 is larger than the maximum protrusion height of the clamping ring 12;
the cross-sectional shape of the positioning ring 13 is preferably rectangular; the positioning ring 13 is in interference fit with the positioning groove 23.
When the flange 2 is assembled obliquely or in a posture perpendicular to the ground, the sealing gasket 1 is pressed on the flange 2, and the positioning ring 13 is plugged into the positioning groove 23, so that the falling off of the sealing gasket is avoided.
Preferably, in order to enable the positioning ring 13 to smoothly enter the positioning groove 23, a guiding protrusion 131 is arranged at the top of the positioning ring 13; the two lateral surfaces of the guiding protrusion 131 are tapered surfaces, so that the guiding protrusion can smoothly enter the positioning groove 23; a certain gap is formed between the guide bulge 131 and the side wall of the positioning groove 23, when the bolt 21 is screwed down to press and deform the sealing gasket 1, a certain expansion space is formed in the positioning groove 23, deformation is absorbed, and the jacking phenomenon at the joint of the positioning ring 13 and the notch of the positioning groove 23 is avoided.
Meanwhile, the matching of the positioning ring 13 and the positioning groove 23 also has a sealing effect, so that the overall sealing performance is improved.
Further, the top of the guiding protrusion 131 is circular arc, so that the sealing gasket 1 is convenient to separate from the mold during processing and molding.
In summary, the utility model provides a cyclone interface sealing assembly, which prevents materials from leaking from the interface sealing assembly through the embedded cooperation of the clamping ring and the clamping groove. Meanwhile, a gap is formed between the clamping ring and the clamping groove, so that the deformation of the sealing gasket under pressure can be absorbed, the condition of loose fit between the contact surfaces of the clamping ring and the flange plate is avoided, and the overall tightness is improved.
Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model, as will be apparent to those skilled in the art, without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (6)
1. A cyclone interface sealing assembly comprises two flange plates, wherein an annular sealing gasket is clamped between the two flange plates; the sealing gasket is uniformly provided with a plurality of abdication holes for penetrating bolts in a surrounding way, and is characterized in that the sealing gasket is provided with a convex clamping ring; the two clamping rings are respectively arranged on the two surfaces of the sealing gasket; the flange plate is provided with a clamping groove; the clamping ring is embedded into the clamping groove, and a preset gap is reserved between the clamping ring and the side wall of the clamping groove.
2. The cyclone interface seal assembly of claim 1, wherein a gap between the snap ring and the snap groove is no more than 0.5mm.
3. The cyclone interface seal assembly of claim 1 wherein the cross-sectional shape of the snap ring is circular arc; the maximum protrusion height of the clamping ring is not more than 30% of the thickness of the sealing gasket.
4. A cyclone interface seal assembly according to any one of claims 1 to 3, wherein the gasket is further provided with two raised positioning rings, which are respectively provided on two faces of the gasket; the diameter of the positioning ring is smaller than that of the clamping ring; the flange plate is correspondingly provided with a positioning groove matched with the positioning ring; the protrusion height of the positioning ring is larger than the maximum protrusion height of the clamping ring.
5. The cyclone interface seal assembly of claim 4 wherein the retaining ring is rectangular in cross-sectional shape; the positioning ring is in interference fit with the positioning groove.
6. The cyclone interface seal assembly of claim 5, wherein a guide projection is provided on top of the retaining ring; two side surfaces of the guide protrusion are conical surfaces; the top of the guide bulge is of an arc structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322101466.8U CN220531924U (en) | 2023-08-07 | 2023-08-07 | Cyclone interface sealing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322101466.8U CN220531924U (en) | 2023-08-07 | 2023-08-07 | Cyclone interface sealing assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220531924U true CN220531924U (en) | 2024-02-27 |
Family
ID=89966274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322101466.8U Active CN220531924U (en) | 2023-08-07 | 2023-08-07 | Cyclone interface sealing assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220531924U (en) |
-
2023
- 2023-08-07 CN CN202322101466.8U patent/CN220531924U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |