CN218914185U - A special membrane for pipeline plugging - Google Patents

Abstract

The utility model discloses a special membrane for pipe plugging, which relates to the technical field of plugging. The utility model comprises a first sealing part, the first sealing part includes a first tubular film sleeved on a pair of pipeline joints, and is closely matched with the outer wall of the pipeline; wherein, the pair of pipelines are installed inside the connecting pipe; the inner wall of the pipeline is provided with a useful The second sealing part, the second sealing part includes an annular film formed on the inner wall of the first sealing part and extends to the center; the annular film is closely attached to the end surface of the pipe; the installation part, the installation part includes an annular film formed on the ring The inner wall of the membrane, and the second tubular membrane extending axially and toward both ends of the pipeline; the tail end of the second tubular membrane is fixed with a first elastic ring for cooperating with the annular protrusion. The utility model solves the problems that the existing membranes for leak plugging are difficult to be used universally within a certain pipe diameter range and the sealing effect is poor by setting the rental of the first sealing part, the second sealing part and the installation part.

Description

A special membrane for pipeline plugging

technical field

The utility model belongs to the technical field of leak plugging, in particular to a special membrane for leak plugging of pipelines.

Background technique

In the continuous production and long-distance pipelines of petroleum, natural gas, and chemical industry, due to the influence of factors such as corrosion, erosion, temperature, pressure, and vibration of the fluid medium, problems such as running, popping, dripping, and leaking will occur on the pipeline. According to investigations, most of the leaks in chemical plants occur on pipelines. Once a leak occurs, if it cannot be dealt with in time, the extent of the leak will spread quickly. For this reason, a leak plugging device is needed to play a temporary plugging role. In the leak-stopping device, the leak-stopping film is often used, so as to further improve the sealing performance between the pipelines and prevent the leakage of the fluid in it.

However, the existing membranes for leak plugging have the following problems: (1) the diameters of pipelines are relatively large, and the existing membranes generally do not possess much elasticity, so it is difficult to be universally used within a certain diameter range; (2) the structure of the membrane is simple , it is difficult to play a better sealing effect, and it is difficult to ensure that the fluid in the pipeline does not leak.

Utility model content

The purpose of the utility model is to provide a special membrane for pipeline plugging. By setting the first sealing part, the second sealing part and the rental of the installation part, it solves the problem that the existing membrane for leak plugging is difficult to fit within a certain pipe diameter. General purpose, poor sealing effect.

In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:

The utility model is a special membrane for pipeline plugging, which includes a first sealing part, and the first sealing part includes a first tubular membrane sleeved on a pair of pipeline joints, and is closely matched with the outer wall of the pipeline; wherein, one The pipeline is installed inside the connecting pipe; the inner wall of the pipeline is provided with an annular protrusion for assembly, and the cross section of the annular protrusion is a circular structure, which is smooth and will not damage the annular membrane; the second sealing part, the second The sealing part includes an annular film formed on the inner wall of the first sealing part and extending toward the center; the annular film is in close contact with the end surface of the pipe; and a second tubular membrane extending toward both ends; the tail end of the second tubular membrane is fixed with a first elastic ring for matching with the annular protrusion.

As a preferred technical solution of the present invention, the two ends of the first tubular membrane are respectively fixed with a second elastic ring for socketing with the outer wall of the pipeline; when the second elastic ring is in a natural state, the inner diameter of the second elastic ring Smaller than the outside diameter of the pipe to ensure a good fit.

As a preferred technical solution of the present utility model, the second elastic ring and the first elastic ring are both made of elastic rubber, and both are ring-shaped structures. Fitting together, it is not easy to leak; the second elastic ring and the first elastic ring are made of relatively corrosion-resistant rubber.

As a preferred technical solution of the present invention, the first tubular membrane, the annular membrane and the second tubular membrane are all stretchable plastic elastic membrane materials, which can be applied to pipelines of various diameters.

As a preferred technical solution of the present utility model, the second tubular membrane includes a horizontal section for matching with the annular raised inner wall of the pipeline, and a curved section connected with the first elastic ring, so that the first elastic ring is tightly It fits the gap between a pair of pipes without water leakage.

As a preferred technical solution of the present utility model, the first elastic ring cooperates with the root of the annular protrusion, so that the first elastic ring is not easy to fall off from the annular protrusion, and the gap between a pair of pipes is tightly closed. seal.

As a preferred technical solution of the present invention, the length of the first tubular membrane is greater than that of the second tubular membrane, so as to ensure that the first tubular membrane is not easy to fall off and can be well sealed.

The utility model has the following beneficial effects:

1. The utility model is provided with a second tubular membrane in the annular membrane to prevent the fluid from rising along the gap between a pair of pipelines and overflowing outward.

2. In this utility model, the first elastic ring is fixed at the tail end of the second tubular membrane, which is suitable for pipelines of various diameters, and can be conveniently installed on the pipeline with the special membrane for leak stoppage.

3. The utility model includes a horizontal section through the second tubular membrane, and a curved section connected with the first elastic ring, so that the first elastic ring closely fits the gap between a pair of pipes to form an enveloping Airtight, no water leakage.

4. In the utility model, the two ends of the first tubular membrane are respectively fixed with the second elastic ring, so that the first tubular membrane can be tightly set on the joint of a pair of pipelines, so as to ensure that the fluid in the pipeline will not flow from the joint of the pair of pipelines. Outflow, improve its tightness.

Of course, any product implementing the present utility model does not necessarily need to achieve all the above-mentioned advantages at the same time.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

Fig. 1 is the schematic diagram of installation of a kind of special film for pipeline plugging of the utility model, pipeline and connecting pipe;

Figure 2 is a schematic diagram of the external structure of Figure 1;

Fig. 3 is a schematic diagram of the installation of a special membrane for pipeline plugging and pipelines of the present utility model;

Fig. 4 is a schematic diagram of the internal structure of Fig. 3;

Figure 5 is a schematic diagram of the connection of the first tubular membrane, the annular membrane and the second tubular membrane;

FIG. 6 is a schematic diagram of the internal structure of FIG. 5 .

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

Embodiment one

Please refer to Fig. 1, the utility model is a special membrane for pipeline plugging, including a first sealing part 1, and the first sealing part 1 includes a first tubular membrane 101 sleeved at the junction of a pair of pipelines 4, and Fitting closely with the outer wall of the pipe 4, the first tubular membrane 101 is elastic and can be applied to pipes 4 of various diameters; wherein, a pair of pipes 4 are installed inside the connecting pipe 5; the inner wall of the pipe 4 is provided with an annular protrusion for assembly 401, the cross section of the annular protrusion 401 is a circular structure, smooth, and will not damage the annular membrane 201; the second sealing part 2, the second sealing part 2 includes the annular membrane 201 formed on the inner wall of the first sealing part 1 and extending toward the center The annular membrane 201 is closely attached to the end surface of the pipeline 4, and the gap between a pair of pipelines 4 is further sealed; the installation part 3, the installation part 3 includes the inner wall formed on the annular membrane 201, and is along the axial direction of the pipeline 4 and towards both ends The extended second tubular membrane 301 prevents the fluid from rising along the gap between the pair of pipes 4 and overflowing outward; the tail end of the second tubular membrane 301 is fixed with a first elastic ring 302 for matching with the annular protrusion 401, which can be applied It is suitable for pipelines 4 with various diameters, and the special film for pipeline plugging can be installed on the pipeline 4 conveniently.

Please refer to Fig. 1, the second tubular membrane 301 includes a horizontal section 3011 for cooperating with the inner wall of the annular protrusion 401 of the pipeline 4, and a curved section 3012 connected with the first elastic ring 302, so that the first elastic ring 302 is tight The gap between the pair of pipes 4 is bonded, which is equivalent to an enveloping seal without water leakage. The first elastic ring 302 cooperates 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 tightly seals the gap between the pair of pipes 4 . The first tubular film 101, the annular film 201 and the second tubular film 301 are all stretchable plastic elastic film materials, which can be applied to pipelines 4 of various pipe diameters; in addition, the first tubular film 101, the annular film 201 and the second tubular film A layer of wear-resistant hardened film is provided on the surface of the tubular membrane 301 to improve its wear resistance.

Embodiment two

On the basis of the first embodiment above, please refer to FIG. 1, the two ends of the first tubular membrane 101 are respectively fixed with the second elastic ring 102 for socketing with the outer wall of the pipeline 4, so as to facilitate the tight sleeve of the first tubular membrane 101. At the junction of a pair of pipelines 4, ensure that the fluid in the pipeline 4 will not flow out from the junction 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 has a certain The elasticity ensures a good fit, and can be applied to pipes of various diameters4. Both the second elastic ring 102 and the first elastic ring 302 are made of elastic rubber, and are of annular structure. One is to be suitable for pipelines 4 of various pipe diameters, and the other is to fit closely with the pipeline 4, so that leakage is not easy to occur; The elastic ring 102 and the first elastic ring 302 are made of relatively corrosion-resistant rubber.

Please refer to shown in Fig. 1, the length of the first tubular membrane 101 is greater than the length of the second tubular membrane 301, to ensure that the first tubular membrane 101 is not easy to fall off, and can be well sealed; between the first tubular membrane 101 and the connecting pipe 5 A rubber tube is installed to ensure the tightness and protect the first tubular membrane 101 to a certain extent.

The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not exhaust all details nor limit the invention to specific implementations. Obviously, many modifications and variations can be made based on the contents of this specification. This description selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that those skilled in the field of leakage plugging technology can well understand and use the utility model. The invention is to be limited only by the claims and their full scope and equivalents.

Claims (7)

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).

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