CN218294823U

CN218294823U - Efficient sealing corrosion-resistant flange for pipeline

Info

Publication number: CN218294823U
Application number: CN202222308093.7U
Authority: CN
Inventors: 许俊; 李伟烨
Original assignee: Wuxi Huaertai Machinery Manufacture Co ltd
Current assignee: Wuxi Huaertai Machinery Manufacture Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-01-13
Anticipated expiration: 2032-08-30

Abstract

The utility model provides a corrosion-resistant flange is sealed with high efficiency to pipeline belongs to flange technical field. The high-efficiency sealing corrosion-resistant flange for the pipeline comprises a first flange disc piece and a second flange piece. The first flange plate piece comprises a first flange plate and a first sealing piece, the first sealing piece is fixed inside the first flange plate, a sealing clamping groove is formed in one surface of the first flange plate, a sealing layer is fixed inside the sealing clamping groove, the second flange piece comprises a second flange plate and an inserting pipe, the inserting pipe is fixed on one surface of the second flange plate, the inserting pipe is inserted into the first flange plate and tightly attached to the first sealing piece, an annular convex block is fixed on one surface of the second flange plate, and the annular convex block is clamped inside the sealing clamping groove. The utility model discloses a sealed effect is more high-efficient when the flange uses in many times extrusion to be favorable to improving the leakproofness of long-term use.

Description

Efficient sealing corrosion-resistant flange for pipeline

Technical Field

The utility model relates to a flange technical field particularly, relates to a pipeline is with high-efficient sealed corrosion-resistant flange.

Background

A flange, also known as a flange collar or flange. The flange is a part for connecting the shafts and is used for connecting pipe ends; there are also flanges on the inlet and outlet of the equipment for the connection between two pieces of equipment, such as reducer flanges. The flange connection or flange joint is a detachable connection which is formed by connecting a flange, a gasket and a bolt with each other to form a group of combined sealing structures.

At present, the application numbers are: CN202023275104.3, a corrosion-resistant flange of high efficiency seal for petroleum pipeline, all sealed through the sealed pad basically in the use, it is single relatively when sealed, thereby influenced the leakproofness of flange when using for a long time.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides a corrosion-resistant flange is sealed with high efficiency to pipeline aims at improving the flange and seals through sealed the pad basically in the use, and is comparatively single when sealed to the problem of the leakproofness of flange when using for a long time has been influenced.

The utility model discloses a realize like this:

the utility model provides a pipeline is with high-efficient sealed corrosion-resistant flange, including first flange dish spare and second flange spare.

The first flange plate piece comprises a first flange plate and a first sealing piece, the first sealing piece is fixed inside the first flange plate, a sealing clamping groove is formed in one side of the first flange plate, a sealing layer is fixed inside the sealing clamping groove, the second flange piece comprises a second flange plate and an inserting pipe, the inserting pipe is fixed on one side of the second flange plate, the inserting pipe is inserted into the first flange plate and tightly attached to the first sealing piece, an annular convex block is fixed on one side of the second flange plate, and the annular convex block is clamped inside the sealing clamping groove.

The utility model discloses an in one embodiment, first nail hole has been seted up to the inside of first ring flange, first nail hole is circumference and distributes, the another side of first ring flange is fixed with first connecting pipe.

In an embodiment of the present invention, the first sealing member includes a ring plate and a sealing ring, the ring plate is fixed inside the first flange, the sealing ring is disposed on the ring plate, and the insertion pipe is tightly attached to the sealing ring.

The utility model discloses an in one embodiment, the inside of second ring flange seted up with first nail hole assorted second nail hole, the another side of second ring flange is fixed with the second connecting pipe, first nail hole with it has connecting portion to run through between the second nail hole.

In an embodiment of the present invention, the connecting portion includes a bolt and a nut, the bolt passes through the first nail hole and the second nail hole, and the nut is screwed on an end of the bolt.

The utility model discloses an in one embodiment, the one side of second ring flange is fixed with spacing inserted block, the one side of first ring flange seted up with spacing hole of spacing inserted block assorted, spacing inserted block is pegged graft the inside in spacing hole.

The utility model discloses an in one embodiment, annular lug is provided with two, two annular lug is concentric setting, annular lug with sealed draw-in groove is the phase-match setting.

In an embodiment of the present invention, the first flange plate, the first connecting pipe, the second flange plate, and the second connecting pipe are all passivated to form a corrosion-resistant layer on the surface.

The utility model has the advantages that: the utility model discloses a corrosion-resistant flange is sealed with high efficiency to pipeline that above-mentioned design obtained, during the use, the inside of inserting first ring flange to the pipe of pegging graft, the tip that makes the pipe of pegging graft is hugged closely with the sealing washer on annular plate surface, insert spacing inside messenger's first nail hole and second nail hole of hole with spacing inserted block simultaneously and align, annular lug can just in time block in sealed draw-in groove's inside and hug closely with the sealing layer like this, then utilize connecting portion to fix first ring flange and second ring flange, extrude through the pipe of pegging graft and sealing washer for the first time sealed like this, then extrude once more through annular lug and sealing layer, it is more high-efficient to extrude sealed effect when the flange uses like this many times, thereby be favorable to improving the leakproofness of long-term use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a first view structural diagram of a high-efficiency sealing corrosion-resistant flange for a pipeline provided by an embodiment of the invention;

fig. 2 is a schematic view of a first-view-angle expanded section structure of a high-efficiency sealing corrosion-resistant flange for a pipeline according to an embodiment of the present invention;

fig. 3 is a second view structural diagram of the high-efficiency sealing corrosion-resistant flange for the pipeline according to the embodiment of the present invention;

fig. 4 is an enlarged view of a point a in fig. 2 according to the present invention.

In the figure: 100-a first flanged disc; 110-a first flange; 111-a first nail hole; 112-a limiting hole; 120-a first connection tube; 130-a first seal; 131-an annular plate; 132-a seal ring; 140-sealing the clamping groove; 141-a sealing layer; 200-a second flange member; 210-a second flange; 211-second nail hole; 212-a limit insert; 220-a second connecting tube; 230-a plug tube; 240-annular bump; 250-a connecting portion; 251-a bolt; 252-a nut.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: an efficient sealing corrosion-resistant flange for a pipeline comprises a first flange piece 100 and a second flange piece 200.

Referring to fig. 1, 2 and 4, the first flange member 100 includes a first flange 110 and a first sealing member 130, the first sealing member 130 is fixed inside the first flange 110, a sealing slot 140 is formed on one side of the first flange 110, and a sealing layer 141 is fixed inside the sealing slot 140.

A first nail hole 111 is formed in the first flange plate 110, the first nail holes 111 are distributed circumferentially, a first connecting pipe 120 is fixed on the other surface of the first flange plate 110, and the first connecting pipe 120 can be conveniently connected with an external pipeline; the first sealing member 130 includes an annular plate 131 and a sealing ring 132, the annular plate 131 is fixed inside the first flange 110, the sealing ring 132 is disposed on the annular plate 131, the plug tube 230 is tightly attached to the sealing ring 132, and here, the sealing can be performed from the inside by pressing the plug tube 230 against the sealing ring 132 on the surface of the annular plate 131.

Referring to fig. 1-4, the second flange 200 includes a second flange 210 and a plug tube 230, the plug tube 230 is fixed on one side of the second flange 210, the plug tube 230 is plugged inside the first flange 110 and tightly attached to the first sealing member 130, an annular protrusion 240 is fixed on one side of the second flange 210, and the annular protrusion 240 is clamped inside the sealing slot 140.

A second nail hole 211 matched with the first nail hole 111 is formed in the second flange plate 210, a second connecting pipe 220 is fixed on the other surface of the second flange plate 210, and a connecting part 250 penetrates between the first nail hole 111 and the second nail hole 211; the connecting portion 250 includes a bolt 251 and a nut 252, the bolt 251 penetrates through the first nail hole 111 and the second nail hole 211, the nut 252 is screwed on the end of the bolt 251, and the first flange plate 110 and the second flange plate 210 can be conveniently fixed by the arrangement of the bolt 251 and the nut 252.

The one side of second ring flange 210 is fixed with spacing inserted block 212, the one side of first ring flange 110 seted up with spacing inserted block 212 assorted spacing hole 112, spacing inserted block 212 is pegged graft in spacing hole 112's inside, the setting of spacing inserted block 212 and spacing hole 112 here can make things convenient for first nail hole 111 to align with second nail hole 211, can be more convenient when carrying out bolt 251 and nut 252 and run through like this, improves the efficiency of installation.

The two annular convex blocks 240 are arranged concentrically, the annular convex blocks 240 are matched with the sealing clamping grooves 140, and sealing can be performed again from the outside through the arrangement of the two annular convex blocks 240 and the two sealing clamping grooves 140, so that sealing is more efficient; the surfaces of the first flange plate 110, the first connecting pipe 120, the second flange plate 210 and the second connecting pipe 220 are passivated with corrosion-resistant layers, so that the corrosion resistance of the flange can be enhanced and the service life of the flange can be prolonged.

Specifically, this pipeline is with theory of operation of corrosion-resistant flange of high-efficient sealed: when the flange sealing device is used, the plug-in pipe 230 is inserted into the first flange plate 110, the end part of the plug-in pipe 230 is enabled to be tightly attached to the sealing ring 132 on the surface of the annular plate 131, the limiting plug block 212 is inserted into the limiting hole 112, the first nail hole 111 is enabled to be aligned with the second nail hole 211, the annular projection 240 can be just clamped inside the sealing clamping groove 140 and tightly attached to the sealing layer 141, then the bolt 251 penetrates through the first nail hole 111 and the second nail hole 211, the nut 252 is in threaded connection with the end part of the bolt 251 to fix the first flange plate 110 and the second flange plate 210, the plug-in pipe 230 and the sealing ring 132 are extruded for primary sealing, then the annular projection 240 and the sealing layer 141 are extruded for secondary sealing, the sealing effect is more efficient when the flange is used through multiple times of extrusion, and the sealing performance is improved for long-term use.

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

1. An efficient sealing corrosion-resistant flange for a pipeline is characterized by comprising

The first flange disc piece (100), the first flange disc piece (100) comprises a first flange disc (110) and a first sealing element (130), the first sealing element (130) is fixed inside the first flange disc (110), one surface of the first flange disc (110) is provided with a sealing clamping groove (140), and a sealing layer (141) is fixed inside the sealing clamping groove (140);

the second flange piece (200), the second flange piece (200) includes a second flange plate (210) and an insertion pipe (230), the insertion pipe (230) is fixed on one side of the second flange plate (210), the insertion pipe (230) is inserted into the first flange plate (110) and tightly attached to the first sealing element (130), an annular convex block (240) is fixed on one side of the second flange plate (210), and the annular convex block (240) is clamped inside the sealing clamping groove (140).

2. The efficient sealing corrosion-resistant flange for the pipeline according to claim 1, wherein the first flange plate (110) is internally provided with first nail holes (111), the first nail holes (111) are circumferentially distributed, and a first connecting pipe (120) is fixed to the other surface of the first flange plate (110).

3. The flange of claim 1, wherein the first sealing member (130) comprises an annular plate (131) and a sealing ring (132), the annular plate (131) is fixed inside the first flange (110), the sealing ring (132) is disposed on the annular plate (131), and the plug pipe (230) is tightly attached to the sealing ring (132).

4. The efficient sealing corrosion-resistant flange for the pipeline according to claim 2, wherein a second nail hole (211) matched with the first nail hole (111) is formed in the second flange plate (210), a second connecting pipe (220) is fixed to the other surface of the second flange plate (210), and a connecting portion (250) penetrates between the first nail hole (111) and the second nail hole (211).

5. The flange of claim 4, wherein the connecting portion (250) comprises a bolt (251) and a nut (252), the bolt (251) penetrates through the first nail hole (111) and the second nail hole (211), and the nut (252) is screwed on the end of the bolt (251).

6. The efficient sealing corrosion-resistant flange for the pipeline according to claim 1, wherein a limiting insert block (212) is fixed on one surface of the second flange plate (210), a limiting hole (112) matched with the limiting insert block (212) is formed in one surface of the first flange plate (110), and the limiting insert block (212) is inserted into the limiting hole (112).

7. The efficient sealing corrosion-resistant flange for pipelines according to claim 1, wherein there are two annular protrusions (240), the two annular protrusions (240) are concentrically arranged, and the annular protrusions (240) and the sealing slots (140) are arranged in a matching manner.

8. The high-efficiency sealing corrosion-resistant flange for pipeline according to claim 4, wherein the surfaces of said first flange plate (110), said first connecting pipe (120), said second flange plate (210) and said second connecting pipe (220) are passivated to form a corrosion-resistant layer.