High-temperature-resistant fireproof sheath wire

Abstract

The utility model discloses a high temperature resistant fireproof sheath wire comprising an isolation block, two sides of the isolation block are provided with arc-shaped grooves, cables are embedded in the arc-shaped grooves, the outer sides of the two groups of cables are respectively sleeved with a group of U-shaped fireproof sleeves, the outer sides of the U-shaped fireproof sleeves are provided with metal reinforcing nets, and the metal reinforcing nets are provided with metal reinforcing wires. Compared with an existing sheath wire, the high-temperature-resistant fireproof cable has the advantages that the high-temperature-resistant performance and the fireproof performance of the cable can be improved through the design of the high-temperature-resistant fireproof cable, and damage to the outer sheath caused by biting of rats and ants can be effectively avoided while anti-corrosion protection is provided for the outer sheath.

Description

Technical Field

[0001] The utility model relates to the technical field of electric wires and cables, in particular to a high temperature resistant and fireproof sheathed wire. Background Art

[0002] The sheathed cable is made up of two or three parallel BV wires. The BV wires originally have insulating rubber. A layer of rubber is wrapped around the three or two parallel BV wires. This layer of rubber is the sheathed cable. The sheathed cable is also one of the most commonly used household electrical wires, usually consisting of three cores or two cores.

[0003] The insulation and sheath materials of existing wires and cables are almost all organic materials, or partially contain organic materials, including materials such as polytetrafluoroethylene, with a melting point not exceeding 400°C and a maximum operating temperature not exceeding 350°C. Therefore, traditional wires cannot meet the high temperature resistance requirements in high temperature areas of other industries such as metallurgy, electric heating devices, heating tubes, ovens, thermocouples, temperature sensors, electric furnaces, kilns, etc.

[0004] Therefore, it is particularly important to design a high temperature resistant fireproof sheathed wire to solve the above defects. Utility Model Content

[0005] 1) Technical problems to be solved by the utility model

[0006] In view of the deficiencies in the prior art, the utility model designs a high temperature resistant and fireproof sheathed wire, which aims to solve the technical problem that traditional wires in the prior art have poor high temperature resistance and fire resistance in a high temperature working environment.

[0007] 2) Technical solution

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0009] A high temperature resistant fireproof sheathed cable comprises an isolation block, arc grooves are provided on both sides of the isolation block, cables are embedded in the arc grooves, a group of U-shaped fireproof sheaths are provided on the outsides of two groups of cables, a metal reinforcement mesh is provided on the outside of the U-shaped fireproof sheath, an outer sheath is provided on the outer side of the metal reinforcement mesh, and an anti-corrosion coating is provided on the outer side of the outer sheath.

[0010] As a preferred solution of the utility model, the isolation block is made of flexible insulating rubber material, and the interior of the arc-shaped groove is provided with anti-slip grooves.

[0011] By adopting the above technical solution, the isolation block separates and protects the cables, thereby preventing a single group of cables from failing and affecting another group of cables.

[0012] As a preferred solution of the present invention, the cable is composed of a cable core and an insulating layer, and the outer side of the cable core is wrapped with the insulating layer.

[0013] As a preferred solution of the utility model, a strip slot is provided on the side of the U-shaped fireproof cover on the left side corresponding to the U-shaped fireproof cover on the right side, and a plug-in strip is fixedly connected to the position of the U-shaped fireproof cover on the right side corresponding to the strip slot, and the U-shaped fireproof covers are plug-connected to the strip slot via the plug-in strip, and the U-shaped fireproof covers are made of ceramic silicone rubber.

[0014] By adopting the above technical solution, the U-shaped fireproof sleeves are connected by plugging the plug-in strips and the strip-shaped card slots to wrap the two groups of cables and provide flame-retardant protection.

[0015] As a preferred solution of the utility model, the thickness of the metal reinforcement mesh is 1.0mm-2.5mm, and the metal reinforcement mesh is designed as a wrapping structure.

[0016] By adopting the above technical solution, the metal reinforcing mesh is wrapped around and fixed to the U-shaped fireproof sleeve, while enhancing the overall structural strength of the sheathed cable.

[0017] As a preferred solution of the utility model, the outer sheath is designed as an extruded structure and is made of polyvinyl chloride.

[0018] By adopting the above technical solution, the outer sheath provides an outer flame retardant protection for the cable, thereby improving the high temperature resistance and fire resistance of the cable.

[0019] As a preferred solution of the present utility model, the anti-corrosion coating is made of asphalt, and the thickness of the anti-corrosion coating is 1.0mm-1.5mm.

[0020] By adopting the above technical solution, the asphalt anti-corrosion coating can not only provide anti-corrosion protection for the outer sheath, but also effectively prevent the outer sheath from being damaged by the gnawing of rats and ants.

[0021] 3) Beneficial effects

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] First, the U-shaped fireproof sleeves are connected by plugging strips and bar-shaped slots to wrap the two groups of cables to provide flame retardant protection. The metal reinforcement net wraps around and fixes the U-shaped fireproof sleeves, while enhancing the overall structural strength of the sheathed cable. The outer sheath provides an outer layer of flame retardant protection for the cables, improving the high temperature resistance and fire resistance of the cables.

[0024] Secondly, the isolation block separates and protects the cables to prevent a single set of cables from failing and affecting another set of cables;

[0025] Finally, the asphalt anti-corrosion coating not only provides anti-corrosion protection for the outer sheath, but can also effectively prevent damage to the outer sheath caused by gnawing by rats and ants. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the overall structure of the high temperature resistant fireproof sheathed cable;

[0027] Figure 2 It is a schematic diagram of the isolation block and cable structure;

[0028] Figure 3 It is a schematic diagram of the U-shaped fireproof sleeve structure;

[0029] Figure 4 It is a schematic diagram of the cross-sectional structure of the high temperature resistant fireproof sheath line.

[0030] In the figure: 1. Isolation block; 101. Arc groove; 2. Cable; 201. Cable core; 202. Insulation layer; 3. U-shaped fireproof sleeve; 301. Strip slot; 302. Connector strip; 4. Metal reinforcement mesh; 5. Outer sheath; 6. Anti-corrosion coating. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Example:

[0033] The utility model provides a high temperature resistant fireproof sheathed wire, which aims to solve the technical problem that the conventional electric wires in the prior art have poor high temperature resistance and fireproof performance in a high temperature working environment;

[0034] See also Figure 1-Figure 4 , the utility model provides a technical solution:

[0035] A high temperature resistant fireproof sheathed cable comprises an isolation block 1, arc grooves 101 are provided on both sides of the isolation block 1, the isolation block 1 separates and protects cables 2 to prevent a single group of cables 2 from failing and affecting another group of cables 2, the isolation block 1 is made of flexible insulating rubber material, and anti-slip grooves are provided inside the arc groove 101, which improve the anti-slip property of the cables 2 embedded in the arc groove 101.

[0036] Among them, see Figure 1 , Figure 2 and Figure 4A cable 2 is embedded in the arc groove 101 . The cable 2 is composed of a cable core 201 and an insulating layer 202 . The outer side of the cable core 201 is wrapped with the insulating layer 202 . The insulating layer 202 provides protection for the cable core 201 .

[0037] For further information, see Figure 1 , Figure 3 and Figure 4 A group of U-shaped fireproof covers 3 are respectively provided on the outside of the two groups of cables 2. A strip slot 301 is provided on the side corresponding to the left U-shaped fireproof cover 3 and the right U-shaped fireproof cover 3. A plug-in strip 302 is fixedly connected to the position corresponding to the strip slot 301 of the right U-shaped fireproof cover 3. The U-shaped fireproof covers 3 are plug-connected to the strip slot 301 through the plug-in strip 302 to wrap and protect the two groups of cables 2. The U-shaped fireproof covers 3 are made of ceramic silicone rubber, which combines the softness of silicone rubber and the high temperature resistance of ceramics, has good fire retardant properties, and has high physical strength.

[0038] For further information, see Figure 1 and Figure 4 A metal reinforcement mesh 4 is provided on the outside of the U-shaped fireproof sleeve 3. The thickness of the metal reinforcement mesh 4 is 1.0mm-2.5mm. The metal reinforcement mesh 4 is a wrapping structure design. The metal reinforcement mesh 4 wraps around and fixes the U-shaped fireproof sleeve 3 while enhancing the overall structural strength of the sheath line.

[0039] For further information, see Figure 1 and Figure 4 An outer sheath 5 is provided on the outside of the metal reinforcement mesh 4. The outer sheath 5 is an extruded structure design. The outer sheath 5 is made of polyvinyl chloride, has good flame retardancy and chemical resistance, and provides flame retardant protection for the cable 2. An anti-corrosion coating 6 is provided on the outside of the outer sheath 5. The anti-corrosion coating 6 is made of asphalt. While providing anti-corrosion protection for the outer sheath 5, it can effectively prevent the outer sheath 5 from being damaged by rats and ants. The thickness of the anti-corrosion coating 6 is 1.0mm-1.5mm.

[0040] The working process of the utility model is as follows: first, the isolation block 1 separates and protects the cables 2 through the arc groove 101, the anti-slip pattern improves the anti-slip property of the cables 2 embedded in the arc groove 101, and the U-shaped fireproof sleeves 3 are plugged and connected with the strip slots 301 through the plug-in strips 302 to wrap and protect the two groups of cables 2. The U-shaped fireproof sleeves 3 are made of ceramic silicone rubber, which combines the softness of silicone rubber and the high temperature resistance of ceramics, and has good fire retardant properties. The metal reinforcement net 4 wraps and fixes the U-shaped fireproof sleeve 3 while enhancing the overall structural strength of the sheath line. The outer sheath 5 is wrapped around the outer side of the metal reinforcement net 4 with an extruded structure to provide an outer flame retardant protection for the cables 2. The asphalt anti-corrosion coating 6 provides anti-corrosion protection for the outer sheath 5 while effectively preventing damage to the outer sheath 5 caused by rats and ants.

[0041] The entire operation process is simple and convenient. Compared with the existing sheathed cables, the utility model can improve the high temperature resistance and fire resistance of the cable through design, and while providing anti-corrosion protection for the outer sheath, it can effectively prevent the outer sheath from being damaged by rats and ants gnawing on it.

[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high temperature resistant fireproof sheathed cable, comprising an isolation block (1), characterized in that: Arc-shaped grooves (101) are provided on both sides of the isolation block (1), cables (2) are embedded in the arc-shaped grooves (101), a group of U-shaped fireproof sleeves (3) are provided on the outer sides of the two groups of cables (2), a metal reinforcement mesh (4) is provided on the outer side of the U-shaped fireproof sleeve (3), an outer sheath (5) is provided on the outer side of the metal reinforcement mesh (4), and an anti-corrosion coating (6) is provided on the outer side of the outer sheath (5).

2. A high temperature resistant fireproof sheathed cable according to claim 1, characterized in that: The isolation block (1) is made of a flexible insulating rubber material, and the interior of the arc-shaped groove (101) is provided with anti-slip grooves.

3. The high temperature resistant fireproof sheathed cable according to claim 1, characterized in that: The cable (2) is composed of a cable core (201) and an insulating layer (202), and the outer side of the cable core (201) is wrapped with the insulating layer (202).

4. The high temperature resistant and fireproof sheathed cable according to claim 1, characterized in that: A strip-shaped card slot (301) is provided on one side of the left U-shaped fireproof cover (3) corresponding to the right U-shaped fireproof cover (3); a plug-in strip (302) is fixedly connected to the position of the right U-shaped fireproof cover (3) corresponding to the strip-shaped card slot (301); the U-shaped fireproof covers (3) are plug-connected to the strip-shaped card slot (301) via the plug-in strip (302); and the U-shaped fireproof covers (3) are made of ceramic silicone rubber.

5. The high temperature resistant and fireproof sheathed cable according to claim 1, characterized in that: The thickness of the metal reinforcement net (4) is 1.0 mm to 2.5 mm, and the metal reinforcement net (4) is of a wrapping structure design.

6. A high temperature resistant fireproof sheathed cable according to claim 1, characterized in that: The outer sheath (5) is of extruded structure design and is made of polyvinyl chloride.

7. The high temperature resistant and fireproof sheathed cable according to claim 1, characterized in that: The anti-corrosion coating (6) is made of asphalt, and the thickness of the anti-corrosion coating (6) is 1.0 mm-1.5 mm.

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