CN219013687U

CN219013687U - Pipeline plugging structure with good sealing performance

Info

Publication number: CN219013687U
Application number: CN202320022933.5U
Authority: CN
Inventors: 党虎; 梁军
Original assignee: Cnpc Zhongtai Coalbed Methane Utilization Jizhou Co ltd
Current assignee: Cnpc Zhongtai Coalbed Methane Utilization Jizhou Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-05-12
Anticipated expiration: 2033-01-05

Abstract

The utility model discloses a pipeline plugging structure with good sealing performance, which comprises a pipeline body and a plugging structure matched and spliced with the pipeline body, wherein the plugging structure comprises a plug, an annular plate is arranged on one side, close to the pipeline body, of the plug, a plurality of rubber ring gaskets which are arranged at equal intervals are arranged on the inner side surface of the annular plate, an adjusting ring is arranged on the outer side of the plug in a threaded connection mode, a compression ring is fixedly arranged on one side, close to the annular plate, of the adjusting ring, and the plugging structure is provided with the annular plate and the compression ring; in addition, the utility model is provided with the rubber bag sleeve and the inflatable air bag, and the inflatable air bag is used for supporting the rubber bag sleeve until the rubber bag sleeve contacts the inner wall of the pipeline body to form a seal, and the inner layer and the outer layer are sealed, so that the entry of external rainwater and sludge is effectively blocked.

Description

Pipeline plugging structure with good sealing performance

Technical Field

The utility model relates to the technical field of gas pipelines, in particular to a pipeline plugging structure with good sealing performance.

Background

When the natural gas pipeline is installed and maintained, if storm is suddenly met, the pipe orifice cannot be plugged in time, water and dirt are easy to enter the pipeline, even if the pipeline is purged after the storm, the residual dirt still has a certain influence on the operation of the pipeline, so that the pipeline port is required to be plugged, the conventional plugging means is limited, the pipeline with a larger diameter is generally plugged by adopting a simple sealing bag, the pipeline with a smaller diameter is generally plugged by adopting a rubber plug, the tightness of the pipeline cannot be ensured in any way, and rainwater or dirt still enters the pipeline to influence the subsequent construction.

Disclosure of Invention

The utility model provides a pipeline plugging structure with good sealing performance for solving various problems.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a pipeline shutoff structure that leakproofness is good, includes the pipeline body and matches the shutoff structure of pegging graft with the pipeline body, the shutoff structure includes the end cap, one side that the end cap is close to the pipeline body is equipped with the annular plate, the annular plate medial surface is equipped with the rubber ring pad that a plurality of equidistances are arranged, end cap outside threaded connection is equipped with the adjusting ring, one side that the adjusting ring is close to the annular plate is fixed to be equipped with the clamp ring.

Further, the end cap is close to one side of the pipeline body and is located the annular plate inboard and is equipped with the hemisphere rubber bag cover, the inside inflatable balloon that is equipped with of rubber bag cover, inflatable balloon's air inlet connection is equipped with the inflation pipeline, the inflation pipeline passes the end cap and stretches out to the outside one end of end cap and be equipped with the inflation valve.

Further, the outer side surface of the adjusting ring is provided with anti-skid patterns.

Compared with the prior art, the utility model has the advantages that: the sealing device is provided with the annular plate and the compression ring, the rubber ring gasket is arranged on the inner side surface of the annular plate, the annular plate is compressed by the compression ring, the annular plate is caused to extrude the port of the pipeline body, on one hand, the sealing structure is fixed on the pipeline, and on the other hand, the rubber ring gasket plays a role in sealing; in addition, the utility model is provided with the rubber bag sleeve and the inflatable air bag, and the inflatable air bag is used for supporting the rubber bag sleeve until the rubber bag sleeve contacts the inner wall of the pipeline body, so that the inner part of the pipeline body is sealed, the inner layer and the outer layer are sealed, and the entry of external rainwater and sludge is effectively prevented.

Drawings

Fig. 1 is a schematic view of an uncompacted state of a well-sealed pipe plugging structure according to the present utility model.

Fig. 2 is a schematic structural view of a well-sealed pipe plugging structure in a compressed state.

Fig. 3 is an external front view of a pipe plugging structure with good sealing property according to the present utility model.

As shown in the figure: 1. a pipe body; 2. a plug; 3. an annular plate; 4. a rubber ring pad; 5. an adjusting ring; 6. a clamp ring; 7. rubber capsule sleeves; 8. an inflatable airbag; 9. an inflation pipeline; 10. an inflation valve; 11. an anti-skid pattern.

Detailed Description

In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "center", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation configuration and operation, and thus are not to be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly stated or limited otherwise, the terms "provided with," "mounted to," "connected to," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The present utility model will be described in further detail with reference to the accompanying drawings.

The utility model provides a combine 1 to 3 of attached hereto, pipeline shutoff structure that leakproofness is good, includes pipeline body 1 and matches the plugging structure of pegging graft with pipeline body 1, the plugging structure includes end cap 2, one side that end cap 2 is close to pipeline body 1 is equipped with annular slab 3, annular slab 3 medial surface is equipped with the rubber ring pad 4 that a plurality of equidistances are arranged, end cap 2 outside threaded connection is equipped with adjusting ring 5, one side that adjusting ring 5 is close to annular slab 3 is fixed to be equipped with clamp ring 6, adjusting ring 5 lateral surface is equipped with skid proof pattern 11.

The end cap 2 is close to a side of the pipeline body 1 and is located at the inner side of the annular plate 3 and is provided with a hemispherical rubber bag sleeve 7, an inflatable airbag 8 is arranged inside the rubber bag sleeve 7, an air inlet of the inflatable airbag 8 is connected with an inflatable pipeline 9, and one end, extending to the outside of the end cap 2, of the inflatable pipeline 9 penetrates through the end cap 2 is provided with an inflatable valve 10.

Specific embodiments of the utility model: before the plugging structure is used, the plugging structure is spliced with the pipeline body 1, the annular plate 3 is positioned at the outer side of the pipeline body 1, the rubber bag sleeve 7 is positioned in the pipeline body 1, then the adjusting ring 5 is rotated to drive the compression ring 6 to horizontally move towards the annular plate 3, the annular plate 3 has certain elasticity, the outer diameter of the annular plate 3 is larger than the inner diameter of the compression ring 6 in a conventional state, and the compression ring 6 drives the annular plate 3 to shrink and squeeze the pipeline body 1 along with the advancing of the compression ring 6, so that the plugging structure and the pipeline body 1 are fixedly connected together, and the specific state is shown in the attached figure 2.

Then use outside air pump to connect and aerify valve 10, to aerify gasbag 8 inside, aerify gasbag 8 and prop up rubber capsule cover 7, until rubber capsule cover 7 hugs closely pipeline body 1 inner wall, accomplish and aerify, then close and aerify valve 10, at this moment, rubber capsule cover 7 plays the inside sealed effect of pipeline body 1, rubber ring pad 4 hugs closely pipeline body 1's outer wall under the extrusion effect to play the sealed effect to pipeline body 1 outside, double seal, sealed effect is showing.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. The utility model provides a pipeline shutoff structure that leakproofness is good, includes pipeline body (1) and matches the shutoff structure of pegging graft with pipeline body (1), its characterized in that: the plugging structure comprises a plug (2), an annular plate (3) is arranged on one side, close to the pipeline body (1), of the plug (2), a plurality of rubber ring pads (4) are arranged on the inner side face of the annular plate (3) at equal intervals, an adjusting ring (5) is arranged on the outer side of the plug (2) in a threaded connection mode, and a compression ring (6) is fixedly arranged on one side, close to the annular plate (3), of the adjusting ring (5).

2. The good-tightness pipeline plugging structure according to claim 1, wherein: the air inflation device is characterized in that the plug (2) is close to one side face of the pipeline body (1) and is located on the inner side of the annular plate (3) and is provided with a hemispherical rubber bag sleeve (7), an air inflation bag (8) is arranged inside the rubber bag sleeve (7), an air inlet of the air inflation bag (8) is connected with an air inflation pipeline (9), and one end, extending out of the plug (2), of the air inflation pipeline (9) through the plug (2) is provided with an air inflation valve (10).

3. The good-tightness pipeline plugging structure according to claim 1, wherein: the outer side surface of the adjusting ring (5) is provided with anti-skid patterns (11).