CN217003653U - Sealed blind flange - Google Patents
Sealed blind flange Download PDFInfo
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- CN217003653U CN217003653U CN202122853675.9U CN202122853675U CN217003653U CN 217003653 U CN217003653 U CN 217003653U CN 202122853675 U CN202122853675 U CN 202122853675U CN 217003653 U CN217003653 U CN 217003653U
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- plane
- convex surface
- sealing groove
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Abstract
The utility model discloses a sealed blind flange, which belongs to the technical field of flanges and comprises a plane and a convex surface, wherein a plurality of flange through holes are formed in the periphery of the plane, the convex surface is arranged in the center of one side of the plane, a panel is fixedly arranged on the other side of the plane, an annular first sealing groove is formed in the outer ring of the plane, which is positioned on the convex surface, a stepped protrusion is arranged between the outer edge of the convex surface and the plane, a second sealing groove is formed in the middle of the stepped protrusion, and sealing rings are arranged in the first sealing groove and the second sealing groove. The utility model has simple structure, the panel is arranged on the plane, the replacement and installation efficiency of the utility model is improved, the stepped protrusion and the sealing groove are arranged, the sealing effect of the connection is favorably improved, and the service life of the utility model is prolonged.
Description
Technical Field
The utility model relates to the technical field of flanges, in particular to a sealed blind flange.
Background
The normal name of the blind plate is called a flange cover, and some blind plates are also called blind plate flanges or pipe plugs. It is a flange without holes in the middle, and is used for plugging the pipeline opening. In the industries of petroleum, chemical engineering, metallurgy, electric power, ships, machinery and the like, the blind flange plays a role in isolating and cutting off a pipeline, and has the same function as an end socket, a pipe cap and a welding plug, and the blind flange seal is a detachable sealing device. However, the existing blind flange has the problems of poor corrosion resistance and poor sealing performance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sealing type blind flange.
The technical scheme of the utility model is as follows: the utility model provides a canned type blind flange, includes plane and convex surface, and the plane edge is equipped with a plurality of flange through-hole all around, and the convex surface sets up in planar one side central authorities, and planar opposite side is fixed to be provided with the panel, and the outer lane that the plane lies in the convex surface is equipped with annular first seal groove, is equipped with the echelonment between convex surface outer fringe and the plane and is outstanding, and the outstanding middle part position of echelonment is equipped with the second seal groove, all is provided with the sealing washer in first seal groove, the second seal groove.
According to a further technical scheme, an anti-corrosion coating is arranged on the end face of the convex face.
According to a further technical scheme, a round chamfer is arranged on the outer edge of one side, close to the panel, of the plane.
The utility model has the beneficial effects that:
the utility model has simple structure, the panel is arranged on the plane, the replacement and installation efficiency of the utility model is improved, the stepped protrusion and the sealing groove are arranged, the sealing effect of the connection is favorably improved, and the service life of the utility model is prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention,
figure 2 is a right side view of the schematic structure of the present invention,
the sealing structure comprises a plane 1, a flange through hole 11, a flange through hole 12, a panel 13, a round chamfer 14, a first sealing groove 2, a convex surface 21, an anticorrosive coating 22, a step-shaped protrusion 23 and a second sealing groove.
Detailed Description
The utility model will be further illustrated and understood by the following non-limiting examples.
As shown in fig. 1-2, the utility model provides a sealed blind flange, which comprises a plane 1 and a convex surface 2, wherein a plurality of flange through holes 11 for connection are arranged around the edge of the plane 1, the convex surface 2 is arranged in the center of one side of the plane 1, and an anti-corrosion coating 21 is arranged on the end surface of the convex surface 2.
The other side of the plane 1 is fixedly provided with a panel 12 for force application in disassembly and assembly, and in order to improve the safety performance in assembly, the outer edge of one side of the plane 1 close to the panel 12 is provided with a round chamfer 13.
An annular first sealing groove 14 is formed in the outer ring, located on the convex surface 2, of the plane 1, a stepped protrusion 22 is arranged between the outer edge of the convex surface 2 and the plane 1, a second sealing groove 23 is formed in the middle of the stepped protrusion 22, and sealing rings are arranged in the first sealing groove 14 and the second sealing groove 23.
The utility model has simple structure, the panel 12 is arranged on the plane 1, the replacement and installation efficiency of the utility model is improved, the arrangement of the step-shaped protrusion 22 and the sealing groove is beneficial to improving the sealing effect of the connection, and the service life of the utility model is prolonged.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The utility model provides a canned type blind flange, includes plane and convex surface, its characterized in that: the improved flange sealing structure is characterized in that a plurality of flange through holes are formed in the periphery of the plane, the convex surface is arranged in the center of one planar side, a panel is fixedly arranged on the other planar side, an annular first sealing groove is formed in the outer ring, located on the convex surface, of the plane, a step-shaped protrusion is arranged between the outer edge of the convex surface and the plane, a second sealing groove is formed in the middle of the step-shaped protrusion, and sealing rings are arranged in the first sealing groove and the second sealing groove.
2. The sealed blind flange of claim 1, wherein: and an anti-corrosion coating is arranged on the end face of the convex surface.
3. The sealed blind flange according to claim 1, wherein: and a round chamfer is arranged on the outer edge of one side of the plane close to the panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122853675.9U CN217003653U (en) | 2021-11-19 | 2021-11-19 | Sealed blind flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122853675.9U CN217003653U (en) | 2021-11-19 | 2021-11-19 | Sealed blind flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217003653U true CN217003653U (en) | 2022-07-19 |
Family
ID=82382019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122853675.9U Active CN217003653U (en) | 2021-11-19 | 2021-11-19 | Sealed blind flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217003653U (en) |
-
2021
- 2021-11-19 CN CN202122853675.9U patent/CN217003653U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |