CN210349393U

CN210349393U - Fire-resistant type environmental protection cable

Info

Publication number: CN210349393U
Application number: CN201921751566.2U
Authority: CN
Inventors: 程晶; 黄世虎; 段斌; 程伟; 张红伟
Original assignee: Jiangxi Hanguang Cable Co ltd
Current assignee: Jiangxi Hanguang Cable Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-04-17
Anticipated expiration: 2029-10-18

Abstract

The utility model relates to a fireproof cable technical field specifically is a fire-resistant type environmental protection cable, four are no less than including the quantity of electricity core, and the common parcel in the outside of electricity core has anti-corrosion coating, anti-corrosion coating's outside parcel has the flame retardant coating, the outside parcel of flame retardant coating has first removable layer, the outside parcel of first removable layer has the removable layer of second, and the removable layer of first removable layer and second all is formed by rectangle column structure coiling, wherein first inserting groove has been seted up to the one end of first removable layer, other end integrated into one piece is equipped with first inserted block, first inserted block imbeds in first inserting groove, the second inserting groove has been seted up to the one end of the removable layer of second, beneficial effect is: the utility model discloses in the flame retardant coating comprises two-layer sealing layer and one deck mineral substance fire-resistant particle, wherein the sealing layer is made by wire mesh for wrap up fire-resistant particle, consequently compare traditional tubulose flame retardant coating, the utility has better compliance, makes cable laying more convenient.

Description

Fire-resistant type environmental protection cable

Technical Field

The utility model relates to a fireproof cable technical field specifically is a fire-resistant type environmental protection cable.

Background

The cable generally refers to a conducting wire which is made of one or more mutually insulated conductors and an outer insulating protective layer and transmits power or information from one place to another place. For example, when supplying power to a large production plant or a high-rise building, in order to ensure the safety of the power system, a high-quality and environment-friendly fire-resistant cable is generally selected.

The interior of a traditional fire-resistant cable is generally provided with a high-temperature-resistant PVC material, so that the fire-resistant PVC material has a fire-retardant effect, and the cable can work for at least 30 minutes in an environment with the temperature of 1000 ℃ below zero, but the traditional fire-resistant cable also has some defects, such as: the existing fire-resistant material has high hardness and is not easy to bend, so that the laying of a cable is not facilitated, in addition, the existing cable is difficult to repair once being burnt out in a high-temperature environment, and the existing cable is usually required to be replaced in a whole section, so that the material is wasted. Therefore, the utility model provides a fire-resistant type environmental protection cable is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire-resistant type environmental protection cable to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a fire-resistant environment-friendly cable comprises electric cores, wherein the number of the electric cores is not less than four, the outer sides of all the electric cores are jointly wrapped with an anti-corrosion layer, the outer side of the anti-corrosion layer is wrapped with a fire-resistant layer, the outer side of the fire-resistant layer is wrapped with a first detachable layer, the outer side of the first detachable layer is wrapped with a second detachable layer, the first detachable layer and the second detachable layer are both formed by winding rectangular structures, one end of the first detachable layer is provided with a first inserting groove, the other end of the first detachable layer is integrally formed with a first inserting block, the first inserting block is embedded in the first inserting groove, one end of the second detachable layer is provided with a second inserting groove, the other end of the second detachable layer is integrally formed with a second inserting block, the second inserting block is embedded in the second inserting groove, the outer side of an interface of the second detachable layer is provided with a sealing strip, and the outer side surface of the second detachable layer is, the inboard laminating of sealing strip is on the surface of the removable layer of second, and the inboard integrated into one piece of sealing strip is equipped with sealed stupefied, sealed stupefied and sealed notch's quantity equals, and each seals stupefied all imbeds inside sealed notch.

Preferably, the battery core is composed of insulating mica layers and wires, wherein the number of the wires is a plurality, and the insulating mica layers are tightly wrapped on the outer sides of all the wires.

Preferably, the fire-resistant layer is composed of an inner sealing layer, an outer sealing layer and mineral fire-resistant particles, the inner sealing layer and the outer sealing layer are respectively positioned on the inner side and the outer side, and the mineral fire-resistant particles are uniformly filled between the inner sealing layer and the outer sealing layer.

Preferably, the inner side of the anti-corrosion layer is provided with a first fillet and a second fillet, the first fillet is one and is inserted between all the electric cores, the second fillets are equal in number to the electric cores, and the second fillets are respectively located in the outer side crack of two adjacent electric cores.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model has better flexibility compared with the traditional tubular fire-resistant layer, so that the cable can be laid more conveniently;

2. this practicality is provided with the removable layer of first removable layer and second in the outside of flame retardant coating, and the two all can be artificially taken off, consequently after the cable is blown, only need to connect electric core, then again outside wrap up first removable layer and the removable layer of second can, relatively speaking, more convenient, also avoid the waste of material.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the structure of the present invention;

fig. 3 is an enlarged schematic view of the structure at a position a of the present invention.

In the figure: 1 electric core, 2 insulating mica layer, 3 wire, 4 first stupefied, 5 second stupefied, 6 anticorrosion layers, 7 flame retardant coating, 8 interior sealing layer, 9 outer sealing layer, 10 mineral substance fire-resistant granule, 11 first removable layer, 12 second removable layer, 13 first inserted block, 14 second inserted block, 15 sealing strips, 16 sealed stupefied.

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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a fire-resistant type environmental protection cable, including electric core 1, four are no less than to electric core 1's quantity, and the common parcel in the outside of all electric cores 1 has anti-corrosion coating 6, anti-corrosion coating 6's outside parcel has flame retardant coating 7, flame retardant coating 7's outside parcel has first removable layer 11, first removable layer 11's outside parcel has removable layer 12 of second, and first removable layer 11 and the removable layer 12 of second all form by the winding of rectangle column structure, the width of first removable layer 11 and the removable layer 12 of second is moderate just, can wrap up in the outside of flame retardant coating 7 (first removable layer 11) just after its winding a week, and the kneck aligns the setting, concrete shape is as shown in figure 1 and figure 2.

Wherein one end of the first detachable layer 11 is provided with a first inserting groove, the other end is provided with a first inserting block 13 in an integrated forming way, the first inserting block 13 is embedded in the first inserting groove, one end of the second detachable layer 12 is provided with a second inserting groove, the other end is provided with a second inserting block 14 in an integrated forming way, the second inserting block 14 is embedded in the second inserting groove, the outer side of the interface of the second detachable layer 12 is provided with a sealing strip 15, the outer side surface of the second detachable layer 12 is provided with a sealing notch, the inner side of the sealing strip 15 is attached to the surface of the second detachable layer 12, the inner side of the sealing strip 15 is provided with a sealing edge 16 in an integrated forming way, the number of the sealing edges 16 is equal to that of the sealing notches, each sealing edge 16 is embedded in the sealing notch, the first detachable layer 11 and the second detachable layer 12 are both inserted in the inserting groove through the inserting blocks to be spliced and aligned, and can be detached, and the outer side of the interface, sealing strip 15 covers on second removable layer 12, and its effect is to avoid external rainwater or dust to get into, and in addition, sealing strip 15 covers behind second removable layer 12 outside, in order to prevent that sealing strip 15 from dropping, still need the people outside to utilize the sticky tape to fix the position of sealing strip 15.

The battery core 1 is composed of insulating mica layers 2 and wires 3, wherein the number of the wires 3 is a plurality, and the insulating mica layers 2 are tightly wrapped on the outer sides of all the wires 3.

The flame retardant coating 7 is by interior sealing layer 8, outer sealing layer 9 and mineral substance fire-resistant particle 10 constitute jointly, interior sealing layer 8 and outer sealing layer 9 are located inside and outside both sides respectively, mineral substance fire-resistant particle 10 evenly fills between the two, inside and outside both sides sealing layer is all worked out by wire mesh, and the length of flame retardant coating 7 is no longer than 1 meter, consequently, a plurality of flame retardant coatings 7 have in one section longer cable inside, the tip of two adjacent flame retardant coatings 7 also aligns the setting.

The inner side of the anti-corrosion layer 6 is provided with a first fillet 4 and a second fillet 5, the number of the first fillet 4 is one, the first fillet 4 is inserted between all the electric cores 1, the number of the second fillet 5 is equal to that of the electric cores 1, the second fillet 5 is respectively positioned in the outer side crack of two adjacent electric cores 1, and the specific structural shape is shown in fig. 1 and fig. 2.

The working principle is as follows: the utility model discloses in, flame retardant coating 7 comprises interior sealing layer 8, external seal layer 9 and mineral substance fire-resistant particle 10 jointly, and wherein inside and outside two-layer sealing layer is worked out for wire mesh, and fire-resistant particle is the mineral material, has high temperature resistant characteristic, and after flame retardant coating 7 cup jointed the outside on anti-corrosion coating 6, the cable wholly has refractiveness promptly, can work for a long time under high temperature environment and not cut off the power supply. The outside of flame retardant coating 7 has cup jointed first removable layer 11 and the removable layer 12 of second, and these two all can artificial dismouting, be convenient for maintenance and change. Wherein the interface position on first removable layer 11 and the removable layer 12 of second staggers, and the laminating of the outside on the removable layer 12 of second has sealing strip 15, and sealing strip 15 covers in the interface outside to bond through the sticky tape, inside its effect was avoided outside rainwater or dust to get into the cable, caused the harm to the security performance of cable. This practicality wholly has good soft characteristic, is convenient for lay, and cable outside insulating sealing layer dismantled and assembled, also be convenient for maintain and change.

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. The utility model provides a fire-resistant type environmental protection cable, includes electric core (1), its characterized in that: the number of the electric cores (1) is not less than four, the outer sides of all the electric cores (1) are jointly wrapped with an anti-corrosion layer (6), the outer side of the anti-corrosion layer (6) is wrapped with a fire-resistant layer (7), the outer side of the fire-resistant layer (7) is wrapped with a first detachable layer (11), the outer side of the first detachable layer (11) is wrapped with a second detachable layer (12), the first detachable layer (11) and the second detachable layer (12) are both formed by winding rectangular structures, one end of the first detachable layer (11) is provided with a first inserting groove, the other end of the first detachable layer (11) is integrally formed with a first inserting block (13), the first inserting block (13) is embedded into the first inserting groove, one end of the second detachable layer (12) is provided with a second inserting groove, the other end of the second detachable layer is integrally formed with a second inserting block (14), and the second inserting block (14) is embedded into the second inserting groove, the interface outside of the removable layer of second (12) is equipped with sealing strip (15), and sealed notch has been seted up on the outside surface of the removable layer of second (12), the inboard laminating of sealing strip (15) is on the surface of the removable layer of second (12), and the inboard integrated into one piece of sealing strip (15) is equipped with sealed stupefied (16), sealed stupefied (16) equal with the quantity of sealed notch, and each seals stupefied (16) and all imbeds inside sealed notch.

2. The fire-resistant environment-friendly cable according to claim 1, wherein: the battery core (1) is composed of insulating mica layers (2) and wires (3) together, wherein the number of the wires (3) is a plurality, and the insulating mica layers (2) are tightly wrapped on the outer sides of all the wires (3).

3. The fire-resistant environment-friendly cable according to claim 1, wherein: the fireproof layer (7) is composed of an inner sealing layer (8), an outer sealing layer (9) and mineral fireproof particles (10), the inner sealing layer (8) and the outer sealing layer (9) are respectively located on the inner side and the outer side, and the mineral fireproof particles (10) are uniformly filled between the inner sealing layer and the outer sealing layer.

4. The fire-resistant environment-friendly cable according to claim 1, wherein: the anti-corrosion coating is characterized in that a first stupefied strip (4) and a second stupefied strip (5) are arranged on the inner side of the anti-corrosion coating (6), the number of the first stupefied strips (4) is one, the first stupefied strips are inserted between all the electric cores (1), the number of the second stupefied strips (5) is equal to that of the electric cores (1), and the second stupefied strips (5) are respectively located in the outer side crack of two adjacent electric cores (1).