Cable with high flame retardance and good insulation effect

Abstract

The utility model discloses a cable with high flame retardation and good insulation effect, comprising a cable main body, the cable main body is internally provided with a protective leather hose, an insulation buffer sleeve, a limiting pipe rack and a wire body, the insulation buffer sleeve is fixedly connected on the inner wall of the protective leather hose, the insulation buffer sleeve is sleeved on the outer side of the limiting pipe rack, and the wire body is fixedly connected on the outer wall of the limiting pipe rack. A plurality of arc-shaped grooves are formed in the limiting pipe frame along the circumference at equal intervals, and the inner insulating layer, the fireproof layer, the isolating layer and the outer insulating layer in the wire body are arranged to be matched with one another, so that the wire body has high fireproof performance and insulativity; the outer sides of the wire bodies can be further protected in an auxiliary mode through arrangement of a protection leather hose and an insulation buffer sleeve, the safety of the cable in the using process is further improved, the multiple wire bodies are fixed and limited through arrangement of a limiting pipe frame, and therefore the multiple wire bodies are more stable in the using process, and the service life of the cable is prolonged. Therefore, the problem that the wire body is crossed and wound is avoided.

Description

Technical Field

[0001] The utility model relates to a cable, in particular to a cable with high flame retardancy and good insulation effect. Background Art

[0002] At present, people's need for fast transmission of data and information, and their dependence on computers, word processors, telex, sensors and communication equipment have increased significantly and rapidly. The emergence of new technologies has made it possible to connect and network these equipment, leading to the comprehensive development of communication systems. The use of these systems in specific areas has increased, such as high-rise buildings, ships, airplanes, trains, drilling platforms and mines. In order to connect these electronic components, a large number of wires and cables need to be used in these structures and fields. Cables are used in all walks of life, such as power systems: the wire and cable products used in power systems mainly include overhead bare wires, busbars (busbars), power cables (plastic cables, oil-paper power cables (basically replaced by plastic power cables), rubber-sheathed cables, overhead insulated cables), branch cables (replacing some busbars), electromagnetic wires, and electrical equipment wires and cables for power equipment; information transmission: the wires and cables used in information transmission systems mainly include local telephone cables, television cables, electronic cables, radio frequency cables, optical fiber cables, data cables, electromagnetic wires, power communications or other composite cables, etc.

[0003] However, the flame retardant and insulating effects of traditional cables are generally mediocre. After long-term use, the cables are prone to leakage and spontaneous combustion, which greatly increases the incidence of fire and increases safety hazards. Therefore, a cable with high flame retardant and good insulation effect is proposed to optimize and solve the above problems. Utility Model Content

[0004] The utility model aims to provide a cable with high flame retardant and good insulation effect, so as to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A cable with high flame retardant and good insulation effect, comprising a cable body, wherein a protective leather tube, an insulating buffer sleeve, a limiting pipe rack and a wire body are respectively arranged inside the cable body, wherein the insulating buffer sleeve is fixedly connected to the inner wall of the protective leather tube, and the insulating buffer sleeve is arranged on the outside of the limiting pipe rack, and the limiting pipe rack is provided with a plurality of arc grooves at equal distances along the circumference, wherein the wire body is provided with a plurality of wire bodies, and the plurality of wire bodies are respectively embedded in the plurality of arc grooves provided on the limiting pipe rack, and the arc grooves provided on the wire body limiting pipe rack are filled with insulating fillers, wherein a wire core, an inner insulating layer, a fire-resistant layer, an isolation layer and an outer insulating layer are respectively arranged inside the wire body, wherein the wire core is provided with a plurality of wire cores, and the plurality of wire cores are arranged in contact with each other, the inner insulating layer is arranged on the outside of the wire core, the fire-resistant layer is arranged on the outside of the inner insulating layer, the isolation layer is arranged on the outside of the fire-resistant layer, and the outer insulating layer is arranged on the outside of the isolation layer.

[0007] As a further solution of the utility model: the material of the protective leather hose is thermoplastic polyurethane rubber material.

[0008] As a further solution of the utility model: the materials of the inner insulating layer and the outer insulating layer are both polyethylene insulating materials.

[0009] As a further solution of the utility model: the material of the fire-resistant layer is alkali-resistant glass fiber mesh cloth.

[0010] As a further solution of the utility model: the material of the isolation layer is a mixed alloy material of tin foil and aluminum.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] By arranging the inner insulating layer, fire-resistant layer, isolation layer and outer insulating layer in the wire body to cooperate with each other, the wire body has higher fire resistance and insulation properties, and by arranging a protective leather tube and an insulating buffer sleeve, the outside of the wire body can be further auxiliary protected, thereby further improving the safety of the cable during use. By arranging a limiting pipe rack to fix and limit multiple wires, the multiple wires are more stable when in use, thereby avoiding the problem of cross-entanglement of the wires. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of a cable with high flame retardant insulation effect.

[0014] Figure 2 This is a schematic diagram of the local structure of a cable with high flame retardant insulation effect.

[0015] Figure 3 This is a schematic diagram of the local structure of a cable with high flame retardant insulation effect.

[0016] Figure 4This is a schematic diagram of the local structure of a cable with high flame retardant insulation effect.

[0017] As shown in the figure: cable body 1, protective leather tube 2, insulating buffer sleeve 3, limiting pipe rack 4, wire body 5, wire core 6, inner insulating layer 7, fire-resistant layer 8, isolation layer 9 and outer insulating layer 10. DETAILED DESCRIPTION

[0018] 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 the embodiments. 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.

[0019] See also Figures 1 to 3 In the embodiment of the utility model, a cable with high flame retardant insulation effect includes a cable body 1, a protective leather tube 2, an insulating buffer sleeve 3, a limiting pipe rack 4, a wire body 5, a wire core 6, an inner insulating layer 7, a fire-resistant layer 8, an isolation layer 9 and an outer insulating layer 10. The cable body 1 is provided with a protective leather tube 2, an insulating buffer sleeve 3, a limiting pipe rack 4 and a wire body 5 respectively. The insulating buffer sleeve 3 is fixedly connected to the inner wall of the protective leather tube 2, and the insulating buffer sleeve 3 is sleeved on the outer side of the limiting pipe rack 4. The limiting pipe rack 4 is provided with a plurality of arc grooves at equal distances along the circumference. The wire body 5 is provided with There are multiple wire bodies 5, which are respectively embedded in multiple arc-shaped grooves opened on the limiting pipe rack 4. The arc-shaped grooves opened on the limiting pipe rack 4 of the wire body 5 are filled with insulating fillers. The wire body 5 is respectively provided with a wire core 6, an inner insulating layer 7, a fire-resistant layer 8, an isolation layer 9 and an outer insulating layer 10. The wire core 6 is provided with multiple wire cores 6, which are arranged in contact with each other. The inner insulating layer 7 is arranged on the outside of the wire core 6, the fire-resistant layer 8 is arranged on the outside of the inner insulating layer 7, the isolation layer 9 is arranged on the outside of the fire-resistant layer 8, and the outer insulating layer 10 is arranged on the outside of the isolation layer 9.

[0020] The material of the protective hose 2 is thermoplastic polyurethane rubber.

[0021] The inner insulating layer 7 and the outer insulating layer 10 are both made of polyethylene insulating material.

[0022] The material of the fire-resistant layer 8 is alkali-resistant glass fiber mesh cloth.

[0023] The material of the isolation layer 9 is a mixed alloy of tin foil and aluminum.

[0024] The working principle of the utility model is:

[0025] When it is necessary to use a cable with high flame retardant insulation effect, the inner insulating layer 7, the fire-resistant layer 8, the isolation layer 9 and the outer insulating layer 10 in the wire body 5 can cooperate with each other so that the wire body 5 has a certain self-protection. The outer side of the wire body 5 can be further protected by the protective leather tube 2 and the insulating buffer sleeve 3. The multiple wire bodies 5 can be fixed and limited by the limiting pipe rack 4, so that the multiple wire bodies are more stable when in use.

[0026] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cable with high flame retardant and good insulation effect, comprising a cable body (1), characterized in that: The cable body (1) is provided with a protective leather tube (2), an insulating buffer sleeve (3), a position limiting pipe rack (4) and a wire body (5) respectively. The insulating buffer sleeve (3) is fixedly connected to the inner wall of the protective leather tube (2). The insulating buffer sleeve (3) is sleeved on the outer side of the position limiting pipe rack (4). The position limiting pipe rack (4) is provided with a plurality of arc grooves at equal distances along the circumference. The wire body (5) is provided with a plurality of arc grooves, and the plurality of wire bodies (5) are respectively embedded in the plurality of arc grooves provided on the position limiting pipe rack (4). The wire body (5) and the position limiting pipe rack (4) are provided with a plurality of arc grooves. The arc-shaped grooves opened on the upper surface are filled with insulating fillers, and the wire body (5) is respectively provided with a wire core (6), an inner insulating layer (7), a fire-resistant layer (8), an isolation layer (9) and an outer insulating layer (10), wherein a plurality of the wire cores (6) are provided, and the plurality of the wire cores (6) are arranged in contact with each other, the inner insulating layer (7) is arranged on the outer side of the wire core (6), the fire-resistant layer (8) is arranged on the outer side of the inner insulating layer (7), the isolation layer (9) is arranged on the outer side of the fire-resistant layer (8), and the outer insulating layer (10) is arranged on the outer side of the isolation layer (9).

2. The cable with high flame retardant and good insulation effect according to claim 1, characterized in that: The material of the protective leather tube (2) is thermoplastic polyurethane rubber material.

3. The cable with high flame retardant and good insulation effect according to claim 1, characterized in that: The inner insulating layer (7) and the outer insulating layer (10) are both made of polyethylene insulating material.

4. The cable with high flame retardant and good insulation effect according to claim 1, characterized in that: The material of the fire-resistant layer (8) is alkali-resistant glass fiber mesh cloth.

5. The cable with high flame retardant and good insulation effect according to claim 1, characterized in that: The material of the isolation layer (9) is a mixed alloy material of tin foil and aluminum.

Images