CN218992332U

CN218992332U - Sealing ring with high-pressure leakage-proof function for pipeline

Info

Publication number: CN218992332U
Application number: CN202223269354.5U
Authority: CN
Inventors: 陈廷波; 冯鹏
Original assignee: Zhenjiang Yiyang Sealing Products Co ltd
Current assignee: Zhenjiang Yiyang Sealing Products Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-05-09
Anticipated expiration: 2032-12-07

Abstract

The utility model provides a sealing washer for pipeline with high pressure leak protection function, the sealing washer is the annular seal circle, and the sealing washer inboard is equipped with presses the edge, the outside of sealing washer be the rubber ring main part, the inside flow oil pocket that is equipped with of rubber ring main part, the rubber ring main part inboard be equipped with the bevel connection calendering, bevel connection calendering and rubber ring main part between be equipped with the compression bulge circle, compression bulge circle and the rubber ring main part inboard link to each other, the terminal surface of rubber ring main part be equipped with the extension sealing washer, extension sealing washer and compression bulge circle inside between link to each other through the flow oil pocket, the extension sealing washer be the thin wall, the compression bulge circle be the thick wall, form one end compression one end extension through hydraulic oil to can realize high strength sealing by the extension sealing washer to the form of hydraulic oil can also give the intensity of extension sealing washer, and the extension of extension sealing washer can realize abundant sealing and compress tightly and inside hydraulic oil can also prevent the outer layer deformation, realize automatic fluid adjustment.

Description

Sealing ring with high-pressure leakage-proof function for pipeline

Technical Field

The utility model belongs to the technical field of high-pressure pipeline sealing rings, in particular to a sealing ring with a high-pressure leakage-proof function for a pipeline.

Background

At present, the pipeline conveying application is wide, the pipeline sealing technology becomes an important subject in the pipeline safe conveying, and particularly when a certain medium with high purity requirement is conveyed, the sealing is not tight, and external substances can be sucked into the pipeline by high negative pressure in the pipeline, so that the purity of the medium in the pipeline is influenced.

The pipeline sealing piece commonly used in the prior art is usually an O-shaped sealing ring, the O-shaped sealing ring is an elastic annular device, the O-shaped sealing ring is arranged between two pipeline joint flanges, and the O-shaped sealing ring is extruded by the flange plates at two sides of the pipeline under the stress of tightening bolts connecting the two flange plates, so that the sealing effect is achieved.

However, if the flanges on the two sides are stressed unevenly or damaged and deformed, the sealing is not tight, especially when the inside of the pipeline is under high negative pressure, the external matters are easily sucked into the pipeline, the concentration of the medium in the pipeline is reduced, and serious accidents such as chemical reaction with the pipeline conveying medium, medium component change and even explosion occur.

Disclosure of Invention

In order to solve the problem that the above-mentioned proposes a sealing washer for pipeline with high pressure leak protection function, the sealing washer is the annular seal circle, and the sealing washer inboard is equipped with presses along, the outside of sealing washer be the rubber ring main part, the inside mobile oil pocket that is equipped with of rubber ring main part, the rubber ring main part inboard be equipped with bevel connection calendering, bevel connection calendering and rubber ring main part between be equipped with the compression bulge loop, the terminal surface of rubber ring main part be equipped with the expansion sealing washer, expansion sealing washer and compression bulge loop inside between link to each other through mobile oil pocket, the expansion sealing washer is the thin wall, the compression bulge loop be the thick wall, form one end compression one end expansion through hydraulic oil to can realize high strength's seal, and the form of hydraulic oil can also give the intensity of expansion sealing washer, and the expansion of expansion sealing washer can also realize abundant sealing and compress tightly and inside hydraulic oil can prevent the outer layer deformation, realize automatic fluid adjustment.

The rubber ring main body is hollow annular ring, the left end of the rubber ring main body is provided with an expansion sealing ring, the right end of the rubber ring main body is provided with a solid end face, the inner side of the right end of the rubber ring main body is provided with a bevel connection rolling, the sealing effect of the foundation is achieved through the rubber ring main body, and the solid end face at one end also improves the strength of the rubber ring.

The shape of the bevel connection is an oblique annular ring, the large diameter end of the bevel connection is connected with the inner side of the rubber ring main body, the small diameter end of the bevel connection is arranged in the middle of the inner side of the rubber ring main body, the bevel connection has the function of compression sealing, and the compression convex ring can be pressed down to ensure that the compression convex ring is evenly placed under pressure and broken.

The compression convex ring is circular arc-shaped, the end face of the compression convex ring is connected with the middle part of the inner side of the rubber ring main body, an arc-shaped compression cavity is formed in the compression convex ring and is communicated with the flow oil cavity, hydraulic oil is compressed into the expansion sealing ring through compression of the compression convex ring with a thick wall, and the thick wall can completely push the thin wall open to ensure strength.

The expansion sealing ring is in a semicircular shape, the end face of the expansion sealing ring is connected with the left end face of the rubber ring main body, a plurality of friction ribs are arranged on the outer surface of the expansion sealing ring, an arc expansion cavity in the expansion sealing ring is communicated with the flowing oil cavity, the expansion sealing ring can be fully contacted with the sealing groove through expansion of the expansion sealing ring, so that tightness is guaranteed, friction force can be improved by the friction ribs, and looseness is prevented.

The cross section of the flow oil cavity is rectangular, hydraulic oil is arranged in the flow oil cavity and is communicated with the interiors of the compression convex rings and the expansion sealing rings, and the accurate expansion and support of the hydraulic oil are realized through the flow oil cavity, so that the sealing performance of the sealing rings is ensured.

The beneficial effects are that:

the form of the hydraulic oil is compressed at one end and expanded at the other end, so that high-strength sealing can be realized, the form of the hydraulic oil can also provide the strength of the expansion sealing ring, the expansion of the expansion sealing ring can realize sufficient sealing compaction, the internal hydraulic oil can also prevent the outer layer from deforming, and automatic fluid adjustment is realized.

The sealing effect of basis is accomplished through the rubber ring main part to the solid terminal surface of one end has also improved the intensity of rubber ring, and the bevel connection calendering not only plays the effect of compression seal, and can also push down the compression bulge loop, guarantees that the pressure evenly places the compression bulge loop and damages.

Compression through the compression bulge loop of thick wall compresses hydraulic oil to in the expansion sealing washer, and the thick wall can be with the thin wall complete jack-up guarantee intensity, makes expansion sealing washer can be abundant with seal groove contact through expansion of expansion sealing washer to guarantee the leakproofness, and friction arris can improve frictional force, prevents to produce the pine and take off.

The hydraulic oil is accurately expanded and supported through the flowing oil cavity, so that the tightness of the sealing ring is ensured.

Drawings

FIG. 1 is a left side schematic view of a seal ring for a pipe having a high pressure leak prevention function;

FIG. 2 is a right side schematic view of a sealing ring for a pipeline with a high pressure leakage prevention function;

FIG. 3 is a schematic cross-sectional view of a seal ring for a pipe having a high pressure leak prevention function;

in the figure; 1. the rubber ring comprises a rubber ring main body, wherein the rubber ring main body is 2, a bevel connection is rolled, the rubber ring main body is 3, a convex ring is compressed, a sealing ring is expanded, and the rubber ring main body is 5, and is provided with a flowing oil cavity.

Detailed Description

In order to enhance the understanding of the present utility model, the present utility model will be further described in detail with reference to the following examples and drawings, which are provided for the purpose of illustrating the present utility model only and are not to be construed as limiting the scope of the present utility model.

The rubber ring comprises a rubber ring main body 1, a bevel connection calendaring 2, a compression convex ring 3, an expansion sealing ring 4 and a flowing oil cavity 5.

As shown in fig. 1, 2 and 3;

the sealing ring for the pipeline with the high-pressure leakage-proof function is an annular sealing ring, a pressing edge is arranged on the inner side of the sealing ring, a rubber ring main body 1 is arranged on the outer side of the sealing ring, a flowing oil cavity 5 is arranged in the rubber ring main body 1, an inclined-mouth rolling 2 is arranged on the inner side of the rubber ring main body 1, a compression convex ring 3 is arranged between the inclined-mouth rolling 2 and the rubber ring main body 1, the compression convex ring 3 is connected with the inner side of the rubber ring main body 1, an expansion sealing ring 4 is arranged on the end face of the rubber ring main body 1, the expansion sealing ring 4 is connected with the inner side of the compression convex ring 3 through the flowing oil cavity 5, the expansion sealing ring 4 is a thin wall, the compression convex ring 3 is a thick wall, the rubber ring main body 1 is a hollow annular ring, the left end of the rubber ring main body 1 is provided with the expansion sealing ring 4, and the right end of the rubber ring main body 1 is provided with a solid end face, the inner side of the right end of the rubber ring main body 1 is provided with a bevel calendar 2, the bevel calendar 2 is in an oblique annular ring shape, the large diameter end of the bevel calendar 2 is connected with the inner side of the rubber ring main body 1, the small diameter end of the bevel calendar 2 is arranged in the middle of the inner side of the rubber ring main body 1, the compression convex ring 3 is in a circular arc shape, the end face of the compression convex ring 3 is connected with the middle of the inner side of the rubber ring main body 1, the inside of the compression convex ring 3 is provided with an arc compression cavity, the arc compression cavity is communicated with a flow oil cavity 5, the expansion sealing ring 4 is in a semicircular shape, the end face of the expansion sealing ring 4 is connected with the left end face of the rubber ring main body 1, the outer surface of the expansion sealing ring 4 is provided with a plurality of friction ribs, the inside arc expansion cavity of the expansion sealing ring 4 is communicated with the flow oil cavity 5, the section of the flow oil cavity 5 is in a rectangular shape, the inside of the flow oil cavity 5 is provided with hydraulic oil, the hydraulic oil is communicated with the interiors of the compression convex ring 3 and the expansion sealing ring 4.

Implementation examples;

one end of an expansion sealing ring 4 at the left end of the sealing ring is placed into a female head of a pipeline, then a male head of the pipeline is inserted from the end of a bevel connection rolling 2, the bevel connection rolling 2 is propped open because of the insertion of the male head of the pipeline, meanwhile, a compression convex ring 3 is downwards compressed, after the male head of the pipeline is completely inserted, the compression convex ring 3 is completely pressed down, hydraulic oil in a flowing oil cavity 5 moves towards the expansion sealing ring 4, the expansion sealing ring 4 is propped open, the outer side of the expansion sealing ring 4 is completely attached to a sealing groove of the female head of the pipeline, and therefore sealing is completed.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a sealing washer for pipeline with high pressure leak protection function, the sealing washer is ring seal, the sealing washer inboard is equipped with presses along, its characterized in that, the outside of sealing washer be the rubber ring main part, the inside oil pocket that flows that is equipped with of rubber ring main part, the rubber ring main part inboard is equipped with the bevel connection calendering, bevel connection calendering and rubber ring main part between be equipped with the protruding circle of compression, the protruding circle of compression link to each other with the rubber ring main part inboard, the terminal surface of rubber ring main part be equipped with the extension sealing washer, extension sealing washer and the inside between link to each other through the oil pocket that flows of compression, the extension sealing washer be the thin wall, the protruding circle of compression be the thick wall.

2. The sealing ring with high-pressure leakage-proof function for a pipeline according to claim 1, wherein the rubber ring main body is a hollow annular ring, the left end of the rubber ring main body is provided with an expansion sealing ring, the right end of the rubber ring main body is provided with a solid end face, and the inner side of the right end of the rubber ring main body is provided with a bevel connection rolling.

3. The sealing ring for the pipeline with the high-pressure leakage-proof function according to claim 1, wherein the inclined rolling shape is an inclined annular ring, a large-diameter end of the inclined rolling is connected with the inner side of the rubber ring main body, and a small-diameter end of the inclined rolling is arranged in the middle of the inner side of the rubber ring main body.

4. The sealing ring for the pipeline with the high-pressure leakage prevention function according to claim 1, wherein the compression convex ring is in a circular arc shape, the end face of the compression convex ring is connected with the middle part of the inner side of the rubber ring main body, an arc-shaped compression cavity is arranged in the compression convex ring, and the arc-shaped compression cavity is communicated with the flow oil cavity.

5. The sealing ring with the high-pressure leakage-proof function for the pipeline according to claim 1, wherein the expanding sealing ring is in a semicircular ring shape, the end face of the expanding sealing ring is connected with the left end face of the rubber ring main body, a plurality of friction ribs are arranged on the outer surface of the expanding sealing ring, an inner arc-shaped expanding cavity of the expanding sealing ring is communicated with the flowing oil cavity.

6. The sealing ring for the pipeline with the high-pressure leakage prevention function according to claim 1, wherein the cross section of the flowing oil cavity is rectangular, hydraulic oil is arranged in the flowing oil cavity, and the hydraulic oil is communicated with the inside of the compression convex ring and the inside of the expansion sealing ring.