CN219435629U - Halogen-free non-flame-retardant ultrathin heat shrinkage pipe - Google Patents

Abstract

The utility model discloses a halogen-free non-flame-retardant ultrathin heat-shrinkable tube, which relates to the technical field of heat-shrinkable tubes and comprises a connecting tube, a gradual change tube, a threaded tube and an inner tube assembly; a cavity is arranged in the connecting pipe; the gradual change pipe is arranged on the outer peripheral side of the connecting pipe; the threaded pipe is arranged at the front end of the connecting pipe; the inner wire tube assembly comprises an insulating layer, a wear-resisting layer, a high temperature-resisting layer, a buffer layer and a buffer cavity, wherein the insulating layer is arranged in the inner cavity of the connecting tube, the insulating layer is the innermost layer, insulating materials are arranged on the inner side of the insulating layer, the insulating layer is composed of elastic materials, the wear-resisting layer is wrapped on the outer periphery side of the insulating layer, the high temperature-resisting layer is arranged on the outer periphery side of the wear-resisting layer, the buffer cavity is arranged between the high temperature-resisting layer and the wear-resisting layer, the buffer layer is arranged in the buffer cavity, and is not easy to be crushed due to external pressure when in use, and can be matched with pipelines of various sizes, adapt to various occasions and have good telescoping effect.

Description

Halogen-free non-flame-retardant ultrathin heat shrinkage pipe

Technical Field

The utility model relates to the technical field of heat shrinkable tubes, in particular to a halogen-free non-flame-retardant ultrathin heat shrinkable tube.

Background

The heat-shrinkable sleeve is a special polyolefin heat-shrinkable sleeve, and can also be called EVA. The outer layer is formed by compounding and processing high-quality soft cross-linked polyolefin materials and inner layer hot melt adhesives, the outer layer material has the characteristics of insulation, corrosion resistance, wear resistance and the like, and the inner layer has the advantages of low melting point, waterproof sealing, high adhesiveness and the like.

Wherein grant bulletin number CN212084763U puts forward a no steamed non-fire-retardant ultra-thin pyrocondensation pipe among the prior art, including pyrocondensation pipe body, gradual change pipe, bar strengthening rib, bar recess, pyrocondensation pipe sheath, its characterized in that: the utility model discloses a heat shrinkage pipe, including heat shrinkage pipe body, bar reinforcing rib side all sets up bar recess to increase the shrink ratio of heat shrinkage pipe body and the shrink efficiency of bar reinforcing rib, heat shrinkage pipe sheath with the same material of heat shrinkage pipe body is installed to heat shrinkage pipe body outside a week.

When in use, the telescopic pipe is easily crushed by external pressure, is difficult to adapt to pipelines with various sizes, and is difficult to achieve good telescopic effect.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the halogen-free non-flame-retardant ultrathin heat-shrinkable tube which is not easy to crush under external pressure when in use, can be matched with pipelines of various sizes, is suitable for various occasions, has good expansion and contraction effects, and can effectively solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a halogen-free non-flame-retardant ultrathin heat shrinkage tube comprises a connecting tube, a gradual change tube, a threaded tube and an inner tube assembly;

and (3) connecting a pipe: a cavity is arranged in the cavity;

gradual change pipe: is arranged on the outer peripheral side of the connecting pipe;

a threaded pipe: the connecting pipe is arranged at the front end of the connecting pipe;

inner line pipe assembly: contain insulating layer, wearing layer, high temperature resistant layer, buffer layer and buffer chamber, the inside cavity of connecting pipe is provided with the insulating layer, the insulating layer is the inlayer, the inboard of insulating layer is equipped with insulating material, the insulating layer comprises elastic material, the periphery side parcel of insulating layer has the wearing layer, the periphery side of wearing layer is equipped with high temperature resistant layer, be equipped with the buffer chamber between high temperature resistant layer and the wearing layer, the inside of buffer chamber is equipped with the buffer layer, and the insulating layer is used for anticreeping, and the wearing layer is used for improving the life of pyrocondensation pipe, and high temperature resistant layer is used for preventing that the during operation produced from causing the influence to the pyrocondensation pipe, and the buffer layer is used for buffering the inner structure of pyrocondensation pipe, prevents to receive external pressure to be compressed and damage.

Further, both ends are constituted by rigid material about the connecting pipe, the right-hand member of connecting pipe is equipped with the screw thread, the middle part of connecting pipe is the bellows, and the mid portion can stretch out and draw back, and the connecting pipe is used for all connecting together the structure of whole pyrocondensation pipe to with pyrocondensation pipe and other pipeline interconnect.

Further, the periphery side fixedly connected with gradual change pipe of connecting pipe, the equidistant annular groove that is provided with of periphery side of gradual change pipe, the outside of annular groove scribbles a plurality of different colours material, and gradual change pipe can stretch or contract in annular groove to thereby judge the length of stretching or contracting through the inside colour change of annular groove.

Further, still be equipped with annular strengthening rib in the inner periphery side of gradual change pipe, high temperature resistant layer fixed connection in strengthening rib and the inner wire pipe subassembly, the strengthening rib is used for supporting the inside of gradual change pipe, prevents that gradual change pipe from causing cracked influence because deformation is too big.

Further, the right end sleeve of the connecting pipe is connected with the left end of the threaded pipe, the right end of the threaded pipe is provided with threads, and the threaded pipe is used for connecting the heat shrinkage pipe and an external pipeline.

Further, the diameter of the left end of the threaded pipe is smaller than that of the right end, the left end of the threaded pipe is a small opening, the right end of the threaded pipe is a large opening, the threaded pipe can be replaced in size, and the threaded pipe can be connected with various pipelines through replacing the size of the threaded pipe.

Compared with the prior art, the utility model has the beneficial effects that: the halogen-free non-flame-retardant ultrathin heat-shrinkable tube has the following advantages:

1. this no steamed non-fire-retardant ultra-thin pyrocondensation pipe of halogen has set up interior spool subassembly, and the insulating layer is used for anticreeping, and the wearing layer is used for improving the life of pyrocondensation pipe, and high temperature resistant layer is used for preventing the high temperature that the during operation produced and leads to the fact the influence to the pyrocondensation pipe, and the buffer layer is used for buffering the inner structure of pyrocondensation pipe, prevents to receive external pressure to be compressed the damage.

2. The halogen-free non-flame-retardant ultrathin heat-shrinkable tube is provided with a connecting tube which is used for connecting the whole structure of the whole heat-shrinkable tube together and connecting the heat-shrinkable tube with other pipelines,

3. this there is not fire-retardant ultra-thin pyrocondensation pipe of steamed, set up the gradual change pipe, the gradual change pipe can stretch or contract in the recess to thereby judge the length of stretching or contracting through the inside colour change of recess, the strengthening rib is used for supporting the inside of gradual change pipe, prevents the gradual change pipe because deformation is too big causes cracked influence.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a right side schematic view of the present utility model;

fig. 3 is a schematic view of a front cross-sectional structure of the present utility model.

In the figure: 1 connecting pipe, 2 gradual change pipe, 3 screw thread pipe, 4 inner wire pipe components, 41 insulating layer, 42 wearing layer, 43 high temperature resistant layer, 44 buffer layer, 45 buffer cavity.

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.

Referring to fig. 1-3, the present embodiment provides a technical solution: a halogen-free non-flame-retardant ultrathin heat shrinkage tube comprises a connecting tube 1, a gradual change tube 2, a threaded tube 3 and an inner wire tube assembly 4;

connecting pipe 1: a cavity is arranged in the cavity; the left end and the right end of the connecting pipe 1 are made of rigid materials, the right end of the connecting pipe 1 is provided with threads, the middle part of the connecting pipe 1 is a corrugated pipe, the middle part of the connecting pipe 1 can stretch, the connecting pipe 1 is used for connecting the whole heat shrinkage pipe together, and the heat shrinkage pipe is connected with other pipelines.

Gradual change pipe 2: is arranged on the outer peripheral side of the connecting pipe 1; the outer circumference side fixedly connected with gradual change pipe 2 of connecting pipe 1, the equidistant annular groove that is provided with of outer circumference side of gradual change pipe 2, the outside of annular groove scribbles a plurality of different colours material, and gradual change pipe 2 can stretch or contract in annular groove to thereby judge the length of stretching or contracting through the inside colour change of annular groove.

The inner periphery side of the gradual change pipe 2 is also provided with annular reinforcing ribs, the reinforcing ribs are fixedly connected with the high temperature resistant layer 43 in the inner wire pipe assembly 4, and the reinforcing ribs are used for supporting the inside of the gradual change pipe 2 and preventing the gradual change pipe 2 from being broken due to overlarge deformation.

Threaded pipe 3: is arranged at the front end of the connecting pipe 1; the right-hand member cover of connecting pipe 1 is connected with the left end of screwed pipe 3, and the right-hand member of screwed pipe 3 is equipped with the screw thread, and screwed pipe 3 is used for connecting pyrocondensation pipe and outside pipeline each other.

The diameter of the left end of the threaded pipe 3 is smaller than that of the right end, the left end of the threaded pipe 3 is a small opening, the right end of the threaded pipe 3 is a large opening, the threaded pipe 3 can be replaced in size, and the threaded pipe 3 can be connected with various pipelines through replacing the size of the threaded pipe 3.

Inner conduit assembly 4: the high-temperature-resistant heat-resistant pipe comprises an insulating layer 41, a wear-resistant layer 42, a high-temperature-resistant layer 43, a buffer layer 44 and a buffer cavity 45, wherein the insulating layer 41 is arranged in the inner cavity of the connecting pipe 1, the insulating layer 41 is the innermost layer, insulating materials are arranged on the inner side of the insulating layer 41, the insulating layer 41 is composed of elastic materials, the wear-resistant layer 42 is wrapped on the outer peripheral side of the insulating layer 41, the high-temperature-resistant layer 43 is arranged on the outer peripheral side of the wear-resistant layer 42, the buffer cavity 45 is arranged between the high-temperature-resistant layer 43 and the wear-resistant layer 42, the buffer layer 44 is arranged in the buffer cavity 45, the insulating layer 41 is used for preventing leakage, the wear-resistant layer 42 is used for prolonging the service life of the heat-shrinkable pipe, the high temperature generated during working is prevented from affecting the heat-shrinkable pipe, and the buffer layer 44 is used for buffering the inner structure of the heat-shrinkable pipe and is prevented from being broken by external pressure.

The working principle of the halogen-free non-flame-retardant ultrathin heat-shrinkable tube provided by the utility model is as follows: the mid portion of connecting pipe 1 can stretch out and draw back, connecting pipe 1 is used for all linking together the structure of whole pyrocondensation pipe, and with pyrocondensation pipe and other pipeline interconnect, gradual change pipe 2 can stretch or contract in the annular groove, and thereby judge tensile or length of contracting through the inside colour change of annular groove, the strengthening rib is used for supporting gradual change pipe 2's inside, prevent gradual change pipe 2 because deformation causes cracked influence, screwed pipe 3 is used for pyrocondensation pipe and external pipeline interconnect, screwed pipe 3 can change the size, through changing screwed pipe 3's size can with various pipe connection, insulating layer 41 is used for anticreep, wearing layer 42 is used for improving the life of pyrocondensation pipe, high temperature resistant layer 43 is used for preventing that the high temperature that the during operation produced from causing the influence to the pyrocondensation pipe, buffer layer 44 is used for buffering the inner structure of pyrocondensation pipe, prevent to receive external pressure to be broken.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (6)

1. The utility model provides a no steamed non-fire-retardant ultra-thin pyrocondensation pipe which characterized in that: comprises a connecting pipe (1), a gradual change pipe (2), a threaded pipe (3) and an inner line pipe component (4);

connecting pipe (1): a cavity is arranged in the cavity;

gradual change pipe (2): is arranged on the outer periphery side of the connecting pipe (1);

threaded pipe (3): is arranged at the front end of the connecting pipe (1);

inner tube assembly (4): contain insulating layer (41), wearing layer (42), high temperature resistant layer (43), buffer layer (44) and buffer chamber (45), the inside cavity of connecting pipe (1) is provided with insulating layer (41), insulating layer (41) are the innermost layer, the inboard of insulating layer (41) is equipped with insulating material, insulating layer (41) are constituteed by elastic material, the periphery side parcel of insulating layer (41) has wearing layer (42), the periphery side of wearing layer (42) is equipped with high temperature resistant layer (43), be equipped with buffer chamber (45) between high temperature resistant layer (43) and wearing layer (42), the inside of buffer chamber (45) is equipped with buffer layer (44).

2. The halogen-free non-flame retardant ultrathin heat shrink tube according to claim 1, wherein: the left end and the right end of the connecting pipe (1) are made of rigid materials, threads are arranged at the right end of the connecting pipe (1), and the middle part of the connecting pipe (1) is a corrugated pipe.

3. The halogen-free non-flame retardant ultrathin heat shrink tube according to claim 1, wherein: the periphery side fixedly connected with gradual change pipe (2) of connecting pipe (1), the periphery side equidistance of gradual change pipe (2) is provided with the annular groove.

4. The halogen-free non-flame retardant ultrathin heat shrink tube according to claim 3, wherein: the inner periphery side of the gradual change pipe (2) is also provided with annular reinforcing ribs, and the reinforcing ribs are fixedly connected with a high-temperature resistant layer (43) in the inner wire pipe assembly (4).

5. The halogen-free non-flame retardant ultrathin heat shrink tube according to claim 1, wherein: the right end of the connecting pipe (1) is connected with the left end of the threaded pipe (3) in a sleeved mode, and threads are arranged at the right end of the threaded pipe (3).

6. The halogen-free non-flame retardant ultrathin heat shrinkable tube as defined in claim 5, wherein: the diameter of the left end of the threaded pipe (3) is smaller than that of the right end.