CN211371646U

CN211371646U - Flame-retardant shrink sleeve for pipeline

Info

Publication number: CN211371646U
Application number: CN201922475833.4U
Authority: CN
Inventors: 朱贤兵; 周知音; 徐军
Original assignee: Changli Pipe Changzhou Co Ltd
Current assignee: Changli Pipe Changzhou Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-28
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to a weave cloth technical field, especially relate to a fire-retardant shrink sleeve for pipeline. Comprises a sleeve main body, a flame-retardant layer, a groove, a diaphragm puncture, a barrier film and an adhesive built-in cavity, the utility model ensures that the heat-shrinkable sleeve has flame-retardant effect through the flame-retardant layer, meanwhile, the inner wall of the heat-shrinkable sleeve main body is provided with a groove for releasing bubbles, a built-in cavity for storing adhesive is arranged in the groove, a diaphragm is arranged in the built-in cavity for puncturing, the surface of the built-in cavity seals the adhesive through a spherical barrier film, when the heat-shrinkable sleeve main body is used, the heat-shrinkable sleeve main body is sleeved on the surface of a pipe and heated for shrinking, when the heat-shrinkable sleeve main body is subjected to heat shrinkage, air is firstly removed through the grooves, then the diaphragm in the built-in cavity is punctured and pressed down during heat shrinkage, the spherical barrier film is punctured, the adhesive stored in the built-in cavity flows out, and the gap between the sleeve main body and the pipe is sealed by gluing, so that the phenomenon that the surface of the sleeve is uneven due to the protrusion of the grooves is prevented.

Description

Flame-retardant shrink sleeve for pipeline

Technical Field

The utility model relates to a weave cloth technical field, especially relate to a fire-retardant shrink sleeve for pipeline.

Background

At present, materials such as global heat preservation, thermal insulation, wear resistance are developing towards integration direction, for example, be used for the vehicle of high-speed operation and be used for the protection of car, locomotive water pipe and oil pipe, be used for preventing materials such as vehicle oil leak, in order to prevent the potential safety hazard of vehicle, current shrink sleeve pipe product internal surface does not have the recess, in the heating process, the intraductal air can't be discharged, lead to forming the bubble after the heating, influence the outward appearance, even it is fluted, for example grant utility model patent with publication No. CN203421415U, although can get rid of the bubble, recess itself has protruding structure, still can influence the contact between thermal shrinkage back sleeve pipe and the tubular product, can produce the problem of sleeve pipe surface unevenness, can't satisfy customer's demand, if the rework causes, can lead to artifical extravagant. And the common heat-shrinkable tubing has poor flame retardancy, so reasonable improvement on the prior art is needed for the above aspects.

In view of the above-mentioned drawbacks, the designer actively makes research and innovation to create a flame-retardant shrink sleeve for pipelines, so that the flame-retardant shrink sleeve has industrial value.

Disclosure of Invention

In order to solve the technical problem, the utility model aims at providing a fire-retardant shrink sleeve for pipeline. The utility model has the advantages that the surface of the heat-shrinkable sleeve is sleeved with a flame-retardant layer, so that the heat-shrinkable sleeve has a flame-retardant effect, meanwhile, the inner wall of the heat-shrinkable sleeve is provided with a groove for releasing bubbles, a built-in cavity for storing adhesive is arranged inside the groove, the diaphragm puncture is arranged in the built-in cavity, the surface of the built-in cavity seals the adhesive through a spherical barrier film, when in use, the heat-shrinkable sleeve is firstly sleeved on the surface of a pipe, the pipe is heated to shrink thermally, when the heat-shrinkable sleeve is shrunk, air is firstly exhausted through the groove, then the diaphragm puncture in the built-in cavity is pressed down during thermal shrinkage, the spherical barrier film is punctured, the adhesive stored in the built-in cavity flows out at the moment, the gap between the heat-shrinkable sleeve and the pipe is sealed through adhesive, and the phenomenon of uneven surface of the pipe caused by, has wide application prospect.

The utility model provides a fire-retardant shrink sleeve for pipeline, includes the sleeve pipe main part, connects the fire-retardant layer on sleeve pipe main part surface, be equipped with the recess of release bubble on the sleeve pipe main part inner wall, include in the recess:

the diaphragm puncture is connected to the top end of the inner wall of the groove;

the barrier film is arranged inside the groove;

the adhesive built-in cavity is located between the inner wall of the groove and the blocking film.

Further, the groove is multiple.

Furthermore, the inner diameter of the groove is 2-3 mm.

Further, the sleeve body is made of a polyolefin material.

Further, the flame-retardant layer is made of a flame-retardant rubber material.

Furthermore, the sleeve main body and the flame-retardant layer are bonded through epoxy resin adhesives.

Further, PVC glue is arranged in the built-in cavity.

Further, the length of the membrane puncture is 1mm, and the membrane puncture is made of polyvinyl chloride.

Furthermore, the barrier film is made of polyvinyl chloride, and the thickness of the barrier film is 0.1-0.2 mm.

Further, the septum penetration is conical.

By the scheme, the invention at least has the following advantages:

the utility model discloses a set up one deck fire-retardant layer on heat-shrinkable bush main part surface cup jointing, make the heat-shrinkable bush have fire-retardant effect, simultaneously the utility model discloses set up the recess that releases the bubble at heat-shrinkable bush main part inner wall, and set up the built-in chamber of depositing the gluing agent in recess inside, the diaphragm puncture is arranged in the built-in chamber, the surface of built-in chamber seals the gluing agent through spherical separation film, when using, at first cup joint heat-shrinkable bush main part on the surface of tubular product, heat makes its thermal contraction, when heat-shrinkable bush main part thermal contraction, at first the air between heat-shrinkable bush main part and the tubular product is got rid of through the recess, then the diaphragm puncture in the built-in chamber pushes down during thermal contraction, pierce spherical separation film, the gluing agent that is deposited in built-in chamber at this moment flows out, glue the gap between heat-shrinkable bush main part and the tubular product and, has wide application prospect.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented in accordance with the content of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate a certain embodiment 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 cross-sectional view of a flame-retardant shrink sleeve for a pipeline of the present invention;

FIG. 2 is an enlarged structural view of a groove in a flame-retardant shrink sleeve for a pipeline according to the present invention;

wherein, in the figure, 1, a sleeve main body; 2. a flame retardant layer; 3. a groove; 4. a cavity is arranged in the adhesive; 5. puncturing a diaphragm; 6. a spherical barrier film.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1 and 2, a flame-retardant shrink sleeve for a pipeline includes a sleeve main body 1, and a flame-retardant layer 2 connected to a surface of the sleeve main body 1, wherein a groove 3 for releasing bubbles is formed in an inner wall of the sleeve main body 1, and the groove 3 includes: the diaphragm puncture 5 is connected to the top end of the inner wall of the groove 3; the spherical barrier film 6 is arranged inside the groove 3; and the adhesive built-in cavity 4 is positioned between the inner wall of the groove 3 and the barrier film 6. The grooves 3 are plural. The inner diameter of the groove 3 is 2-3 mm. The sleeve body 1 is made of a polyolefin material. The flame-retardant layer 2 is made of a flame-retardant rubber material. The sleeve main body 1 and the flame-retardant layer 2 are bonded through epoxy resin adhesives. PVC glue is arranged in the built-in cavity 4. The length of the membrane puncture 5 is 1mm and is made of polyvinyl chloride. The barrier film 6 is made of polyvinyl chloride and has a thickness of 0.1-0.2 mm. The septum penetration 5 is conical.

The working principle of the utility model is as follows:

the utility model discloses a cup joint on heat shrinkable sleeve main part 1 surface and set up one deck fire-retardant layer 2, make the heat shrinkable sleeve have fire-retardant effect, simultaneously the utility model discloses set up the recess 3 that releases the bubble at heat shrinkable sleeve main part 1 inner wall, and set up the built-in chamber 4 of gluing agent that deposits the gluing agent in the recess 3 inside, settle diaphragm puncture 5 in the built-in chamber 4 of gluing agent, the surface of the built-in chamber 4 of gluing agent seals up the gluing agent through spherical separation film 6, when using, at first cup joint heat shrinkable sleeve main part 1 on the surface of tubular product, heat and make its thermal contraction, when heat shrinkable sleeve main part 1 thermal contraction, at first air between heat shrinkable sleeve main part 1 and the tubular product is got rid of through recess 3, then diaphragm puncture 5 in the built-in chamber 4 of gluing agent pushes down when thermal contraction, punctures spherical separation film 6, the gluing agent that is deposited in the, the gap between the heat-shrinkable sleeve main body 1 and the pipe is sealed by gluing, the phenomenon of uneven surface of the sleeve caused by the protrusion of the groove 3 is prevented, and the heat-shrinkable sleeve has a wide application prospect.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a fire-retardant shrink sleeve pipe for pipeline, includes sleeve pipe main part (1), connects at the fire-retardant layer (2) on sleeve pipe main part (1) surface, its characterized in that: be equipped with recess (3) of release bubble on sleeve pipe main part (1) inner wall, include in recess (3):

the diaphragm puncture (5) is connected to the top end of the inner wall of the groove (3);

the barrier film (6), the barrier film (6) is arranged inside the groove (3);

the adhesive built-in cavity (4) is located between the inner wall of the groove (3) and the blocking film (6).

2. The flame retardant shrink sleeve for pipelines of claim 1, wherein: the grooves (3) are multiple.

3. The flame retardant shrink sleeve for pipelines of claim 1, wherein: the inner diameter of the groove (3) is 2-3 mm.

4. The flame retardant shrink sleeve for pipelines of claim 1, wherein: the sleeve body (1) is made of a polyolefin material.

5. The flame retardant shrink sleeve for pipelines of claim 1, wherein: the flame-retardant layer (2) is made of a flame-retardant rubber material.

6. The flame retardant shrink sleeve for pipelines of claim 1, wherein: the sleeve main body (1) and the flame-retardant layer (2) are bonded through epoxy resin adhesives.

7. The flame retardant shrink sleeve for pipelines of claim 1, wherein: PVC glue is arranged in the built-in cavity (4).

8. The flame retardant shrink sleeve for pipelines of claim 1, wherein: the length of the membrane puncture (5) is 1mm and is made of polyvinyl chloride.

9. The flame retardant shrink sleeve for pipelines of claim 1, wherein: the barrier film (6) is made of polyvinyl chloride, and the thickness of the barrier film is 0.1-0.2 mm.

10. The flame retardant shrink sleeve for pipelines of claim 1, wherein: the septum puncture (5) is conical.