CN214255602U

CN214255602U - Fireproof impact-resistant cable protection pipe

Info

Publication number: CN214255602U
Application number: CN202023249285.2U
Authority: CN
Inventors: 冯育兴; 童国兵; 李冬青
Original assignee: Yangzhou Teles Pipe Technology Co ltd
Current assignee: Yangzhou Teles Pipe Technology Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-09-21
Anticipated expiration: 2030-12-29

Abstract

The utility model relates to a fire prevention shock-resistant cable protection pipe, including the pipeline body, the pipeline body includes interior pipeline and outer pipeline, be provided with the brace rod between interior pipeline and the outer pipeline, the outer pipeline comprises four outer tube muscle, and four outer tube muscle enclose into positive quadrangle, the surface of outer tube muscle has set gradually first flexible layer and shielding layer by interior outside to, the shielding layer has the fold, the surface of shielding layer is provided with the flexible layer of second, the surface of the flexible layer of second has set gradually fire-retardant layer and coat by interior outside to, the interior pipeline is the three-layer, and the inlayer is the polypropylene layer, and the skin is the polypropylene layer, be the mica layer between inlayer and the skin, connect seal assembly on the outer pipeline. The utility model discloses well interior conduit and outer pipeline disconnect-type design make it can well vacuole formation when using to keep apart external heat and air conditioning, can protect the inside cable of inner tube well.

Description

Fireproof impact-resistant cable protection pipe

Technical Field

The utility model relates to a cable protection part technical field specifically is a fire prevention shock-resistant cable protection pipe.

Background

The cable protection pipe is the part commonly used in the cable field, use the plastic tubing to protect the cable among the prior art mostly, its protective effect is relatively poor, its comprehensive properties is also very poor, be difficult to satisfy people's daily demand, in addition, when receiving external striking, the condition of damage appears easily in its inside cable, some cables can use under some chilly environment, very high requirement has been proposed to the heat preservation of inside cable, in case excessive chilly, cracked condition appears easily in the cable, and then influences its normal use, the utility model discloses a new solution is proposed to above problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a fire prevention is shock-resistant cable protection pipe.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme:

a fireproof impact-resistant cable protection pipe comprises a pipe body, wherein the pipe body comprises an inner pipe and an outer pipe, support ribs are arranged between the inner pipeline and the outer pipeline, the outer pipeline is composed of four outer pipe ribs, the four outer pipe ribs surround a regular quadrangle, the outer surface of the outer pipe rib is sequentially provided with a first flexible layer and a shielding layer from inside to outside, the shielding layer is provided with folds, the outer surface of the shielding layer is provided with a second flexible layer, the outer surface of the second flexible layer is sequentially provided with a flame retardant layer and a coating layer from inside to outside, the inner pipeline comprises three layers, wherein the inner layer is a polypropylene layer, the outer layer is a polypropylene layer, a mica layer is arranged between the inner layer and the outer layer, the outer pipeline is connected with a sealing assembly, the sealing assembly comprises an end cover and an inner lantern ring, one end of the inner lantern ring is connected with the end cover, the other end of the inner lantern ring extends into the inner pipeline, and the end cover is detachably connected with the outer pipeline.

Preferably, the supporting rib is provided in plurality and is respectively and symmetrically arranged between the outer pipeline and the inner pipeline.

In a further preferred embodiment, the end cap is detachably connected to the outer pipe by means of fastening bolts.

In a further preferred embodiment, the mica layer has a density of 1.05-1.25/cm³。

In a further preferred mode, the flame-retardant layer is an aluminum silicate heat-insulating cotton layer, and the thickness of the flame-retardant layer is 3-6 mm.

In a further preferred embodiment, the shielding layer is adhered to the outer surface of the first flexible layer by glue.

In a further preferred embodiment, the shielding layer is a thin tin paper layer.

In a further preferred embodiment, the first flexible layer and the second flexible layer are both rubber layers.

(III) advantageous effects

Compared with the prior art, the utility model provides a fire prevention shock-resistant cable protection pipe possesses following beneficial effect:

the separated design of the inner pipeline and the outer pipeline of the utility model can well form a cavity when in use, thereby isolating external heat and cold air, well protecting the cable inside the inner pipeline and further improving the shock resistance effect, in addition, the design of the flame retardant layer can well play a role in fire prevention and preventing the cable from catching fire, the design of the shielding layer can well block external electromagnetic waves, so that the cable inside the inner pipeline can be better used, the design of the inner pipeline ensures that the friction coefficient inside the inner pipeline is lower, the cable inside the inner pipeline can be protected, the design of the mica layer further improves the rigidity of the inner pipeline, so that the cable can be better protected, in addition, the outer pipeline is arranged into a regular quadrangle, the manufacturing process is simple, and the protection effect is also good, the use cost is reduced.

Drawings

Fig. 1 is a schematic view of a fitting structure of an inner pipe and an outer pipe of the present invention;

fig. 2 is a schematic structural view of the sealing assembly of the present invention;

FIG. 3 is a partial cross-sectional view of the inner conduit of the present invention;

fig. 4 is the utility model discloses the profile view is connected in the cooperation of outer pipeline, first flexible layer, shielding layer, the flexible layer of second, fire-retardant layer and coating.

In the figure: 1. an inner conduit; 2. an outer conduit; 3. supporting ribs; 4. an outer tube rib; 5. a first flexible layer; 6. a shielding layer; 7. a second flexible layer; 8. a flame retardant layer; 9. a coating layer; 10. an inner layer; 11. an outer layer; 12. a mica layer; 13. an end cap; 14. an inner collar; 15. and fastening the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b):

referring to fig. 1-4, a fireproof impact-resistant cable protection tube comprises a tube body, the tube body comprises an inner tube 1 and an outer tube 2, a support rib 3 is arranged between the inner tube 1 and the outer tube 2, the outer tube 2 is composed of four outer tube ribs 4, the four outer tube ribs 4 enclose a regular quadrangle, a first flexible layer 5 and a shielding layer 6 are sequentially arranged on the outer surface of the outer tube rib 2 from inside to outside, the shielding layer 6 has wrinkles, a second flexible layer 7 is arranged on the outer surface of the shielding layer 6, a flame retardant layer 8 and a coating layer 9 are sequentially arranged on the outer surface of the second flexible layer 7 from inside to outside, the inner tube 1 is three layers, an inner layer 10 is a polypropylene layer, an outer layer 11 is a polypropylene layer, a mica layer 12 is arranged between the inner layer 10 and the outer layer 11, a sealing assembly is connected to the outer tube 2, the sealing assembly comprises an end cover 13 and an inner lantern ring 14, one end of the inner lantern ring 14 is connected with the end cover 13, the other end of the inner lantern ring extends into the inner pipeline 1, and the end cover 13 is detachably connected with the outer pipeline 2.

In this embodiment, the supporting ribs 3 are provided in plurality and are respectively symmetrically arranged between the outer pipe 2 and the inner pipe 1. It sets up to a plurality ofly to can be better support and connect inner tube 1 and outer pipeline 2, improved its firmness.

In this embodiment, the end cap 13 is detachably connected to the outer pipe 2 by means of fastening bolts 15. The disassembly and the assembly of the end cover 13 are convenient, and the use of workers is convenient.

In the present embodiment, the mica layer 12 has a density of 1.05-1.25/cm³. The rigidity of the cable is further improved, and the internal cable can be better protected.

In the embodiment, the flame-retardant layer 8 is an aluminum silicate heat-insulating cotton layer, and the thickness of the flame-retardant layer is 3-6 mm. The flame retardant effect is improved, and the cable can be better protected.

In this embodiment, the shielding layer 6 is adhered to the outer surface of the first flexible layer 5 by glue.

In this embodiment, the shielding layer 6 is a thin tin paper layer. Further improving the shielding effect.

In this embodiment, the first flexible layer 5 and the second flexible layer 7 are both rubber layers. The design of the rubber layer can well protect the outer pipeline.

The working principle is as follows:

when in use, the first flexible layer 5 and the second flexible layer 7 of the present invention can protect the outer pipe 2 well, so as to buffer the external impact, the outer pipe 2 and the support rib 3 can protect the inner pipe 1 well, and prevent the cable inside the inner pipe 1 from being damaged by the external impact, in addition, a cavity is formed between the inner pipe 1 and the outer pipe 2, so as to isolate the external air well, thereby isolating the heat well, indirectly protect the cable inside, the shielding layer 6 can block the external electromagnetic wave well, so that the cable inside the inner pipe 1 can be used better, when installing the cable, the cable can be inserted into the inner pipe 1, and then the inner sleeve ring 14 is inserted into the inner pipe 1, the end cap 13 is then bolted to the outer pipe 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A fireproof impact-resistant cable protection pipe comprises a pipe body and is characterized in that the pipe body comprises an inner pipe and an outer pipe, support ribs are arranged between the inner pipe and the outer pipe, the outer pipe is composed of four outer pipe ribs, the four outer pipe ribs are enclosed to form a regular quadrangle, a first flexible layer and a shielding layer are sequentially arranged on the outer surface of each outer pipe rib from inside to outside, the shielding layer is provided with folds, a second flexible layer is arranged on the outer surface of the shielding layer, a flame-retardant layer and a coating layer are sequentially arranged on the outer surface of the second flexible layer from inside to outside, the inner pipe is three layers, the inner layer is a polypropylene layer, the outer layer is a polypropylene layer, a mica layer is arranged between the inner layer and the outer layer, a sealing assembly is connected onto the outer pipe and comprises an end cover and an inner sleeve ring, one end of the inner sleeve ring is connected with the end cover, and the other end of the inner sleeve ring extends into the inner pipe, the end cover is detachably connected with the outer pipeline.

2. A fire-resistant impact-resistant cable protection tube according to claim 1, wherein: the supporting ribs are arranged in a plurality of numbers and are respectively and symmetrically arranged between the outer pipeline and the inner pipeline.

3. A fire-resistant impact-resistant cable protection tube according to claim 1, wherein: the end cover is detachably connected with the outer pipeline through fastening bolts.

4. A fire-resistant impact-resistant cable protection tube according to claim 1The method is characterized in that: the density of the mica layer is 1.05-1.25g/cm³。

5. A fire-resistant impact-resistant cable protection tube according to claim 1, wherein: the flame-retardant layer is an aluminum silicate heat-insulating cotton layer, and the thickness of the flame-retardant layer is 3-6 mm.

6. A fire-resistant impact-resistant cable protection tube according to claim 1, wherein: the shielding layer is adhered to the outer surface of the first flexible layer through glue.

7. A fire-resistant impact-resistant cable protection tube according to claim 6, wherein: the shielding layer is a thin tin paper layer.

8. A fire-resistant impact-resistant cable protection tube according to claim 1, wherein: the first flexible layer and the second flexible layer are both rubber layers.