Flame-retardant cable

Abstract

The utility model relates to the technical field of cables, and discloses a flame-retardant cable, a cable body comprises a plurality of electric wires, a wrapping core is extruded among the plurality of electric wires, a protective sleeve is extruded and injected outside the wrapping core, the protective sleeve comprises a woven mesh, an insulating layer and a high-temperature-resistant layer, the woven mesh is sleeved outside the wrapping core, and the insulating layer is sleeved outside the high-temperature-resistant layer. The cable body is provided with a high-temperature-resistant layer, the high-temperature-resistant layer is arranged on the outer side of the high-temperature-resistant layer, a wrapping groove hole capable of containing the electric wire is formed in the extruding process, the insulating layer is located between the woven mesh and the high-temperature-resistant layer, the electric wire comprises a copper core and a flame-retardant sleeve, and the flame-retardant sleeve is arranged on the outer side of the copper core in an injection molding mode. In addition, the cable body has excellent chemical stability, corrosion resistance, electrical insulating property and good anti-aging endurance, and the cable body has good electrical insulating property and flame retardance through the flame-retardant sleeve.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, and more specifically to a flame-retardant cable. Background Art

[0002] During use, the insulating materials on the surface of wires and cables are mostly plastic. Use at high temperatures can easily lead to premature aging, surface cracking and stickiness, and the surface may fall off over time, causing them to lose function. In addition, some wires and cables are placed in an environment that is prone to flames, which can aggravate the stability of the surface plastic. Some wires and cables are prone to burning and producing open flames, exposing the copper wire inside the wires and cables, which can easily cause short circuits. Utility Model Content

[0003] In order to overcome the above defects of the prior art, the utility model provides a flame retardant cable to solve the problems existing in the above background technology.

[0004] The utility model provides the following technical solutions:

[0005] A flame retardant cable comprises a cable body, wherein the cable body comprises a plurality of wires, a wrapping core is extruded between the plurality of wires, a protective sleeve is extruded and injection-molded on the outer side of the wrapping core, the protective sleeve comprises a woven mesh, an insulating layer and a high temperature resistant layer, and the woven mesh is sleeved on the outer side of the wrapping core.

[0006] As a further solution of the utility model, a wrapping slot that can accommodate the wires is formed during the extrusion process.

[0007] As a further solution of the utility model, the insulating layer is located between the woven mesh and the high temperature resistant layer.

[0008] As a further solution of the utility model, the electric wire includes a copper core and a flame retardant sheath.

[0009] As a further solution of the utility model, the flame retardant sleeve is injection-molded on the outer side of the copper core.

[0010] Technical effects and advantages of the utility model:

[0011] 1. The utility model is provided with a high temperature resistant layer, which not only makes the cable body resistant to high temperatures, but also enables the cable body to have excellent chemical stability, corrosion resistance, electrical insulation and good anti-aging resistance, thereby making the cable body more durable in a high temperature environment.

[0012] 2. The utility model is provided with a flame retardant sleeve, so that the cable body has good electrical insulation and flame retardancy, and at the same time has the characteristics of good physical and mechanical properties, heat resistance, oil resistance, acid and alkali resistance and sunlight resistance.

[0013] 3. The utility model provides an insulating layer so that the cable body not only has excellent electrical insulation performance, but also has excellent chemical stability, high voltage resistance and aging resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the front three-dimensional structure of the utility model.

[0015] Figure 2 It is a partial cross-sectional structural schematic diagram of the utility model.

[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the electric wire of the utility model.

[0017] The accompanying drawings are marked as follows: 1. cable body; 2. protective sleeve; 3. wrapped core; 4. electric wire; 5. wrapped slot; 6. flame retardant sleeve; 7. copper core; 8. braided mesh; 9. insulating layer; 10. high temperature resistant layer. DETAILED DESCRIPTION

[0018] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative, and the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0019] Reference Figure 1-Figure 3 The utility model provides a flame-retardant cable, including a cable body 1, the cable body 1 includes a plurality of wires 4, a wrapping core 3 is extruded between the plurality of wires 4, a protective sleeve 2 is extruded and injection-molded on the outer side of the wrapping core 3, the protective sleeve 2 includes a braided mesh 8, an insulating layer 9 and a high-temperature resistant layer 10, the insulating layer 9 is made of silicone rubber, so that the cable body 1 has excellent high-temperature and low-temperature resistance and excellent electrical insulation performance, as well as excellent chemical stability, high voltage resistance, and aging resistance, and the braided mesh 8 is sleeved on the outer side of the wrapping core 3, the high-temperature resistant layer 10 is made of PTFE, which has excellent heat resistance, so that the cable body 1 has excellent chemical stability, corrosion resistance, sealing, high lubrication and non-stickiness, electrical insulation and good anti-aging resistance.

[0020] In the present utility model, it should be noted that a wrapping slot 5 that can accommodate the wire 4 is formed during the extrusion process, the insulating layer 9 is located between the braided mesh 8 and the high temperature resistant layer 10, the wire 4 includes a copper core 7 and a flame retardant sleeve 6, and the material of the flame retardant sleeve 6 is chloroprene rubber, so that the cable body 1 has good electrical insulation and flame retardancy, and at the same time has the characteristics of good physical and mechanical properties, heat resistance, oil resistance, acid and alkali resistance and sunlight resistance, and the flame retardant sleeve 6 is injection molded on the outside of the copper core 7.

[0021] The working principle of the utility model: when a flame-retardant cable is needed, the material of the flame-retardant sleeve 6 is chloroprene rubber, so that the cable body 1 has good electrical insulation and flame retardancy, and at the same time has the characteristics of good physical and mechanical properties, heat resistance, oil resistance, acid and alkali resistance and sunlight resistance. The material of the insulating layer 9 is silicone rubber, so that the cable body 1 not only has excellent electrical insulation performance, but also has excellent chemical stability, high voltage resistance and aging resistance. The material of the high temperature resistant layer 10 is PTFE, which has excellent heat resistance, so that the cable body 1 has excellent chemical stability, corrosion resistance, sealing, high lubricity and non-stickiness, electrical insulation and good anti-aging resistance.

[0022] Finally, a few points should be explained: In the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0023] In the drawings of the embodiments disclosed by the present invention, only the structures related to the embodiments disclosed by the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

Claims

1. A flame retardant cable, comprising a cable body (1), characterized in that: The cable body (1) comprises a plurality of electric wires (4), a wrapping core (3) is extruded between the plurality of electric wires (4), a protective sleeve (2) is extruded and injection-molded on the outer side of the wrapping core (3), the protective sleeve (2) comprises a braided mesh (8), an insulating layer (9) and a high temperature resistant layer (10), and the braided mesh (8) is sleeved on the outer side of the wrapping core (3).

2. A flame-retardant cable according to claim 1, characterized in that: During the extrusion process, a wrapping slot (5) capable of accommodating the electric wire (4) is formed.

3. A flame-retardant cable according to claim 1, characterized in that: The insulating layer (9) is located between the woven mesh (8) and the high temperature resistant layer (10).

4. A flame-retardant cable according to claim 1, characterized in that: The electric wire (4) comprises a copper core (7) and a flame retardant sheath (6).

5. A flame-retardant cable according to claim 4, characterized in that: The flame retardant sleeve (6) is injection-molded on the outer side of the copper core (7).

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