CN218914185U

CN218914185U - Special film for pipeline leakage stoppage

Info

Publication number: CN218914185U
Application number: CN202222625122.2U
Authority: CN
Inventors: 王龙龙; 王阳; 代小曼; 王栓栓
Original assignee: Anhui Hengchang New Material Co ltd
Current assignee: Anhui Hengchang New Material Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-04-25
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses a special membrane for pipeline leakage stoppage, and relates to the technical field of leakage stoppage. The utility model comprises a first sealing part, wherein the first sealing part comprises a first tubular film sleeved at the joint of a pair of pipelines and is tightly matched with the outer wall of the pipeline; wherein, a pair of pipelines are arranged inside the connecting pipe; the inner wall of the pipeline is provided with an annular bulge for assembly; a second sealing part including an annular membrane formed on an inner wall of the first sealing part and extending toward the center; the annular membrane is tightly attached to the end face of the pipeline; the mounting part comprises a second tubular membrane which is formed on the inner wall of the annular membrane and extends towards two ends along the axial direction of the pipeline; the tail end of the second tubular membrane is fixed with a first elastic ring which is matched with the annular bulge. The utility model solves the problems that the existing plugging film is difficult to be commonly used in a certain pipe diameter range and has poor sealing effect by setting the first sealing part, the second sealing part and the renting of the installation part.

Description

Special film for pipeline leakage stoppage

Technical Field

The utility model belongs to the technical field of plugging, and particularly relates to a special membrane for plugging a pipeline.

Background

In continuous production and long-distance pipeline of petroleum, natural gas and chemical industry, problems such as running, bubbling, dripping and leaking can occur on the pipeline due to the influence of factors such as corrosion, scouring, temperature, pressure and vibration of fluid medium. According to investigation, most leakage in the chemical device appears on the pipeline, once leakage appears, if the leakage cannot be handled in time, the leakage degree can be quickly diffused, and therefore the leakage blocking device is required to play a temporary leakage blocking role. The membrane for plugging is often used in the plugging device, so that the sealing performance between pipelines is further improved, and the leakage of fluid in the pipeline is prevented.

However, the conventional plugging film has the following problems: (1) The pipe diameter of the pipeline is relatively large, but the existing film generally has little elasticity and is difficult to be commonly used in a certain pipe diameter range; (2) The membrane has a simple structure, is difficult to play a good sealing role, and is difficult to ensure that fluid in a pipeline is not leaked.

Disclosure of Invention

The utility model aims to provide a special membrane for pipeline plugging, which solves the problems that the existing membrane for plugging is difficult to be commonly used in a certain pipe diameter range and has poor sealing effect by setting the renting of a first sealing part, a second sealing part and a mounting part.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a special membrane for pipeline plugging, which comprises a first sealing part, wherein the first sealing part comprises a first tubular membrane sleeved at the joint of a pair of pipelines and is tightly matched with the outer wall of the pipeline; wherein, a pair of said pipelines are installed in the interior of connecting pipe; the inner wall of the pipeline is provided with an annular bulge for assembly, the cross section of the annular bulge is of a circular structure, and the annular bulge is smooth and cannot damage an annular membrane; a second sealing part including an annular membrane formed at an inner wall of the first sealing part and extending toward the center; the annular membrane is tightly attached to the end face of the pipeline; the mounting part comprises a second tubular membrane which is formed on the inner wall of the annular membrane and extends towards two ends along the axial direction of the pipeline; the tail end of the second tubular membrane is fixed with a first elastic ring which is matched with the annular bulge.

As a preferable technical scheme of the utility model, two ends of the first tubular film are respectively fixed with a second elastic ring which is used for sleeving the outer wall of the pipeline; when the second elastic ring is in a natural state, the inner diameter of the second elastic ring is smaller than the outer diameter of the pipeline, so that good fit is ensured.

As a preferable technical scheme of the utility model, the second elastic ring and the first elastic ring are made of elastic rubber and are of annular structures, and the second elastic ring and the first elastic ring are suitable for pipelines with various pipe diameters and are tightly attached to the pipelines, so that leakage is not easy to occur; the second elastic ring and the first elastic ring are made of a relatively corrosion-resistant rubber material.

As a preferable technical scheme of the utility model, the first tubular film, the annular film and the second tubular film are all made of stretchable plastic elastic films, and can be suitable for pipelines with various pipe diameters.

As a preferred technical scheme of the utility model, the second tubular membrane comprises a horizontal section matched with the inner wall of the annular bulge of the pipeline and a bending section connected with the first elastic ring, so that the first elastic ring is tightly attached to a gap between a pair of pipelines, and water leakage is avoided.

As a preferable technical scheme of the utility model, the first elastic ring is matched with the root of the annular bulge, so that the first elastic ring is not easy to fall off from the annular bulge, and the gap between a pair of pipelines is tightly sealed.

As a preferable technical scheme of the utility model, the length of the first tubular film is longer than that of the second tubular film, so that the first tubular film is not easy to fall off, and the sealing can be well carried out.

The utility model has the following beneficial effects:

1. according to the utility model, the second tubular membrane is arranged in the annular membrane, so that fluid is prevented from rising along a gap between a pair of pipelines and overflowing outwards.

2. The first elastic ring is fixed at the tail end of the second tubular membrane, so that the novel pipeline plugging special membrane is suitable for pipelines with various pipe diameters, and can be conveniently installed on the pipeline.

3. According to the utility model, the second tubular film comprises the horizontal section and the bending section connected with the first elastic ring, so that the first elastic ring is tightly attached to the gap between the pair of pipelines to form an enclosed seal, and water leakage is avoided.

4. According to the utility model, the second elastic rings are respectively fixed at the two ends of the first tubular film, so that the first tubular film is conveniently and tightly sleeved at the joint of a pair of pipelines, the fluid in the pipelines is ensured not to flow out from the joint of the pair of pipelines, and the tightness of the pipeline is improved.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the installation of a special membrane for plugging a pipeline, a pipeline and a connecting pipe;

FIG. 2 is a schematic view of the external structure of FIG. 1;

FIG. 3 is a schematic view of a piping plugging special membrane and piping installation according to the present utility model;

FIG. 4 is a schematic view of the internal structure of FIG. 3;

FIG. 5 is a schematic illustration of the connection of a first tubular membrane, an annular membrane and a second tubular membrane;

fig. 6 is a schematic view of the internal structure of fig. 5.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1, the present utility model is a special membrane for plugging a pipeline, which comprises a first sealing part 1, wherein the first sealing part 1 comprises a first tubular membrane 101 sleeved at a joint of a pair of pipelines 4 and tightly matched with the outer wall of the pipeline 4, and the first tubular membrane 101 has elasticity and can be suitable for pipelines 4 with various pipe diameters; wherein, a pair of pipelines 4 are installed inside the connecting pipe 5; the inner wall of the pipeline 4 is provided with an annular bulge 401 for assembly, the cross section of the annular bulge 401 is of a circular structure, and the annular bulge is smooth and cannot damage the annular membrane 201; a second seal part 2, the second seal part 2 including an annular membrane 201 formed on an inner wall of the first seal part 1 and extending toward the center; the annular membrane 201 is tightly attached to the end surfaces of the pipelines 4, and the gap between the pair of pipelines 4 is further sealed; the installation part 3, the installation part 3 comprises a second tubular film 301 which is formed on the inner wall of the annular film 201 and extends towards two ends along the axial direction of the pipelines 4, so that the fluid is prevented from rising along the gap between the pair of pipelines 4 and overflowing outwards; the tail end of the second tubular membrane 301 is fixed with a first elastic ring 302 which is matched with the annular bulge 401, so that the membrane is applicable to pipelines 4 with various pipe diameters, and the special membrane for plugging the pipelines can be conveniently installed on the pipelines 4.

Referring to fig. 1, the second tubular membrane 301 includes a horizontal section 3011 for engaging with the inner wall of the annular protrusion 401 of the pipe 4, and a curved section 3012 connected to the first elastic ring 302, so that the first elastic ring 302 is tightly attached to the gap between the pair of pipes 4, which corresponds to an enclosure type seal, and no water leakage occurs. The first elastic ring 302 is matched with the root of the annular protrusion 401, so that the first elastic ring 302 is not easy to fall off from the annular protrusion 401, and the gap between the pair of pipes 4 is tightly sealed. The first tubular film 101, the annular film 201 and the second tubular film 301 are all made of stretchable plastic elastic films, and can be suitable for pipelines 4 with various pipe diameters; in addition, the surfaces of the first tubular film 101, the annular film 201 and the second tubular film 301 are provided with a layer of wear-resistant hardened film, so that the wear resistance is improved.

Example two

On the basis of the first embodiment, as shown in fig. 1, two ends of the first tubular film 101 are respectively fixed with a second elastic ring 102 for sleeving with the outer wall of the pipeline 4, so that the first tubular film 101 is conveniently and tightly sleeved at the joint of the pair of pipelines 4, and the fluid in the pipeline 4 is ensured not to flow out from the joint of the pair of pipelines 4; when the second elastic ring 102 is in a natural state, the inner diameter of the second elastic ring 102 is smaller than the outer diameter of the pipeline 4, and the second elastic ring has certain elasticity, ensures good fit, and can be suitable for pipelines 4 with various pipe diameters. The second elastic ring 102 and the first elastic ring 302 are made of elastic rubber materials and are of annular structures, so that the two elastic rings are suitable for pipelines 4 with various pipe diameters, and are tightly attached to the pipelines 4, and leakage is not easy to occur; the second elastic ring 102 and the first elastic ring 302 are made of a relatively corrosion-resistant rubber material.

Referring to fig. 1, the length of the first tubular film 101 is longer than that of the second tubular film 301, so that the first tubular film 101 is not easy to fall off and can be well sealed; a rubber tube is installed between the first tubular membrane 101 and the connection tube 5 to ensure tightness and to protect the first tubular membrane 101 to a certain extent.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and its practical application, thereby enabling others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. A special membrane for plugging a pipeline, which is characterized by comprising:

the first sealing part (1), the first sealing part (1) comprises a first tubular film (101) sleeved at the joint of a pair of pipelines (4) and is tightly matched with the outer wall of the pipeline (4);

wherein, a pair of the pipelines (4) are arranged inside the connecting pipe (5); the inner wall of the pipeline (4) is provided with an annular bulge (401) for assembly;

a second seal part (2), wherein the second seal part (2) comprises an annular membrane (201) which is formed on the inner wall of the first seal part (1) and extends towards the center; the annular membrane (201) is tightly attached to the end face of the pipeline (4);

a mounting portion (3), the mounting portion (3) including a second tubular film (301) formed on an inner wall of the annular film (201) and extending axially along the pipe (4) and toward both ends; the tail end of the second tubular film (301) is fixed with a first elastic ring (302) which is matched with the annular bulge (401).

2. The special film for plugging a pipeline according to claim 1, wherein the two ends of the first tubular film (101) are respectively fixed with a second elastic ring (102) which is used for sleeving the outer wall of the pipeline (4); when the second elastic ring (102) is in a natural state, the inner diameter of the second elastic ring (102) is smaller than the outer diameter of the pipeline (4).

3. The special film for plugging a pipeline according to claim 2, wherein the second elastic ring (102) and the first elastic ring (302) are made of elastic rubber materials and are of annular structures.

4. The special plugging film for pipelines according to claim 1, wherein the first tubular film (101), the annular film (201) and the second tubular film (301) are all made of stretchable plastic elastic films.

5. A special purpose membrane for plugging a pipe according to claim 1, wherein the second tubular membrane (301) comprises a horizontal section (3011) for fitting with the inner wall of an annular protrusion (401) of the pipe (4), and a curved section (3012) connected to the first elastic ring (302).

6. A special purpose film for plugging a pipe according to claim 5, wherein the first elastic ring (302) is matched with the root of the annular bulge (401).

7. A special purpose film for plugging a pipe according to claim 1, wherein the length of the first tubular film (101) is greater than the length of the second tubular film (301).