Wear-resistant flame-retardant cable

Abstract

The utility model discloses a wear-resistant flame-retardant cable, which comprises three groups of conductive inner cores of the cable, and wear-resistant components are arranged on the outer sides of the three groups of conductive inner cores to protect the three groups of conductive inner cores. The flame-retardant assembly is arranged between the three conductive inner cores and the wear-resistant assembly and prevents flame from spreading, the wear-resistant assembly arranged on the outer sides of the three conductive inner cores protects the three conductive inner cores, the fluororubber layer has high-temperature resistance and cold resistance and ensures the stability of the cable in use, the wear resistance of the polyurethane rubber layer is very excellent, and the wear resistance of the polyurethane rubber layer is very good. The wear resistance of the cable is more than five times that of a natural rubber sheath cable, the wear resistance of the cable is improved when the cable is used, and the fluororubber layer is filled with the flame-retardant polyurethane foam joint mixture arranged in the fluororubber layer, so that mutual contact of the three groups of conductive inner cores is avoided, and the service life of the cable is prolonged. And the flame-retardant polyurethane foam joint mixture can be used for sealing and retarding flame of the cable.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a wear-resistant and flame-retardant cable. Background Art

[0002] At present, with the development of science and technology, all walks of life are moving towards industrialization and electrification, which also means a significant increase in the use of cables. The function of cables is to transmit non-electrical control or control signals. The control cables in control equipment and electrical equipment are mainly used to transmit control and measurement signals.

[0003] When existing cables are put into use, they are very likely to rub and collide with external equipment during transportation and transfer, causing serious damage to the cable sheath, which affects the service life of the cable after installation. For this reason, we provide a wear-resistant flame-retardant cable for use. Summary of the Invention

[0004] The purpose of the present invention is to provide a wear-resistant flame-retardant cable to solve the problems raised by the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a wear-resistant flame-retardant cable, comprising a conductive inner core of the cable, wherein the conductive inner core is provided in three groups, and wear-resistant components are provided on the outside of the three groups of conductive inner cores to protect the three groups of conductive inner cores;

[0006] A flame retardant component is provided between the three groups of conductive inner cores and the wear-resistant components, and the flame retardant component prevents the spread of flames;

[0007] The wear-resistant component includes a fluororubber layer and a polyurethane rubber layer, the flame-retardant component is arranged inside the fluororubber layer, and the polyurethane rubber layer is arranged outside the fluororubber layer;

[0008] The flame retardant component includes a flame retardant coating and a flame retardant polyurethane foam filler. The three groups of flame retardant coatings are respectively arranged on the outside of each group of conductive inner cores. The flame retardant polyurethane foam filler is arranged inside the fluororubber layer and the flame retardant polyurethane foam filler wraps the three groups of conductive inner cores.

[0009] Preferably, the three groups of conductive inner cores are located inside the fluororubber layer.

[0010] Preferably, the inner wall of the fluororubber layer is provided with metal wire strips, and the metal wire strips wrap the conductive inner core and the flame-retardant polyurethane foam filler.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] The utility model protects the three groups of conductive inner cores by wear-resistant components arranged on the outside of the three groups of conductive inner cores. The wear-resistant components include a fluororubber layer and a polyurethane rubber layer. The fluororubber layer has high temperature resistance and cold resistance, ensuring the stability of the cable when in use. The polyurethane rubber layer has excellent wear resistance, which is more than five times that of the natural rubber sheathed cable, thereby improving the wear resistance of the cable when in use.

[0013] The utility model provides a flame retardant component between the conductive inner core and the wear-resistant component. The flame retardant component includes a flame retardant coating and a flame retardant polyurethane foam filler. The flame retardant coating arranged on the outside of each group of conductive inner cores protects each group of conductive inner cores. The flame retardant polyurethane foam filler is arranged inside the fluororubber layer. The flame retardant polyurethane foam filler is filled inside the fluororubber layer, and at the same time, the three groups of conductive inner cores are prevented from contacting each other. The flame retardant polyurethane foam filler can seal and flame retard the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a main schematic diagram of the utility model.

[0015] In the figure: 1. Conductive inner core, 2. Flame-retardant coating, 3. Fluororubber layer, 4. Polyurethane rubber layer, 5. Metal wire strips, 6. Flame-retardant polyurethane foam sealant. DETAILED DESCRIPTION

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0017] See also Figure 1 As shown, the utility model is a wear-resistant flame-retardant cable, comprising a conductive inner core 1 of the cable, wherein the conductive inner core 1 is provided in three groups, and wear-resistant components are provided on the outside of the three groups of conductive inner cores 1 to protect the three groups of conductive inner cores 1;

[0018] A flame retardant component is provided between the three groups of conductive inner cores 1 and the wear-resistant component to prevent the spread of flames.

[0019] In this embodiment, the three groups of conductive cores 1 are protected by wear-resistant components arranged on the outside of the three groups of conductive cores 1, thereby improving the wear resistance of the cable during use. At the same time, the flame-retardant components arranged between the three groups of conductive cores 1 and the wear-resistant components improve the sealing and flame retardancy of the cable during use.

[0020] See also Figure 1As shown, the wear-resistant component includes a fluororubber layer 3 and a polyurethane rubber layer 4 , the flame-retardant component is arranged inside the fluororubber layer 3 , and the polyurethane rubber layer 4 is arranged outside the fluororubber layer 3 .

[0021] In this embodiment, the fluororubber layer 3 is arranged on the outside of the flame retardant component, and the fluororubber layer 3 has high temperature resistance and cold resistance, ensuring the stability of the cable during use. The polyurethane rubber layer 4 has excellent wear resistance, and its wear resistance is more than five times that of the natural rubber sheathed cable, thereby improving the wear resistance of the cable when in use.

[0022] See also Figure 1 As shown, three groups of conductive inner cores 1 are located inside the fluororubber layer 3 .

[0023] In this embodiment, the three groups of conductive inner cores 1 are disposed inside the fluororubber layer 3 , and the fluororubber layer 3 protects the three groups of conductive inner cores 1 .

[0024] See also Figure 1 As shown, the flame retardant component includes a flame retardant coating 2 and a flame retardant polyurethane foam filler 6. Three groups of flame retardant coatings 2 are respectively arranged on the outside of each group of conductive inner cores 1, and the flame retardant polyurethane foam filler 6 is arranged inside the fluororubber layer 3 and the flame retardant polyurethane foam filler 6 wraps the three groups of conductive inner cores 1.

[0025] In this embodiment, each group of conductive cores 1 is protected by a flame retardant coating 2 provided on the outside of each group of conductive cores 1, and a flame retardant polyurethane foam sealant 6 is provided inside the fluororubber layer 3. The flame retardant polyurethane foam sealant 6 is filled inside the fluororubber layer 3, while preventing the three groups of conductive cores 1 from contacting each other. The flame retardant polyurethane foam sealant 6 can seal and flame retard the cable.

[0026] See also Figure 1 As shown, the inner wall of the fluororubber layer 3 is provided with a metal wire strip 5 , and the metal wire strip 5 wraps the conductive inner core 1 and the flame-retardant polyurethane foam filler 6 .

[0027] In this embodiment, the strength and tensile strength of the cable are enhanced by the metal wire strips 5 provided inside the fluororubber layer 3 .

[0028] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can 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 should be included in the scope of protection of the present invention.

Claims

1. A wear-resistant flame-retardant cable, comprising a conductive inner core (1) of the cable, characterized in that: The conductive inner cores (1) are provided in three groups in total, and wear-resistant components are provided on the outer sides of the three groups of conductive inner cores (1) to protect the three groups of conductive inner cores (1); A flame retardant component is provided between the three groups of conductive inner cores (1) and the wear-resistant component, and the flame retardant component prevents the spread of flames; The wear-resistant component comprises a fluororubber layer (3) and a polyurethane rubber layer (4), the flame-retardant component is arranged inside the fluororubber layer (3), and the polyurethane rubber layer (4) is arranged outside the fluororubber layer (3); The flame retardant component comprises a flame retardant coating (2) and a flame retardant polyurethane foam filler (6), wherein three groups of the flame retardant coating (2) are respectively arranged on the outside of each group of conductive inner cores (1), and the flame retardant polyurethane foam filler (6) is arranged inside the fluororubber layer (3) and the flame retardant polyurethane foam filler (6) wraps the three groups of conductive inner cores (1).

2. The wear-resistant flame-retardant cable according to claim 1, characterized in that: The three groups of conductive inner cores (1) are located inside the fluororubber layer (3).

3. The wear-resistant flame-retardant cable according to claim 2, characterized in that: The inner wall of the fluororubber layer (3) is provided with a metal wire strip (5), and the metal wire strip (5) wraps the conductive inner core (1) and the flame-retardant polyurethane foam sealant (6).

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