Pressure-resistant and heat-resistant wire cable

Abstract

The utility model discloses a pressure-resistant heat-resistant wire cable, which comprises a cable core, an insulating layer is arranged on the outer surface of the cable core, an anti-interference layer is arranged on the outer surface of the insulating layer, a plurality of first connecting blocks are fixedly connected to the outer surface of the anti-interference layer, one end of each first connecting block is fixedly connected with an anti-deformation assembly, and the other end of each first connecting block is fixedly connected with a second connecting block. One end of the anti-deformation assembly is fixedly connected with a second connecting block, one end of the second connecting block is fixedly connected with a flame-retardant layer, an armor layer is arranged on the outer surface of the flame-retardant layer, a damp-proof layer is arranged on the outer surface of the armor layer, and an outer sheath is arranged on the outer surface of the damp-proof layer. By arranging the anti-deformation assembly, when the wire and cable body is extruded, the reset spring shrinks, and when the extrusion force disappears, the reset spring resets, so that the wire and cable body is prevented from deforming, and the compression resistance of the wire and cable body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wires and cables, in particular to a pressure-resistant and heat-resistant wire and cable. Background Art

[0002] Wires and cables are wire products used to transmit electrical (magnetic) energy, information and realize electromagnetic energy conversion. Wires and cables in a broad sense are also referred to as cables. Cables in a narrow sense refer to insulated cables, which can be defined as: a collection of the following parts; one or more insulated cores, and their respective coatings, total protective layers and outer sheaths. Cables may also have additional uninsulated conductors.

[0003] Existing wires and cables are often stepped on or squeezed during actual use, which may cause them to be flattened or crushed at the least, or the wire cores inside may be broken, affecting the pressure resistance of the wires and cables. Utility Model Content

[0004] The purpose of the utility model is to provide a pressure-resistant and heat-resistant wire and cable, which can use an anti-deformation component. When the wire and cable body is squeezed, the return spring contracts. When the squeezing force disappears, the return spring returns to its original position, thereby preventing the wire and cable body from being deformed and improving the compressive resistance of the wire and cable body.

[0005] To achieve the above-mentioned purpose, a pressure-resistant and heat-resistant wire and cable is provided, comprising: a cable core, an insulating layer is provided on the outer surface of the cable core, an anti-interference layer is provided on the outer surface of the insulating layer, a plurality of first connecting blocks are fixedly connected to the outer surface of the anti-interference layer, one end of the first connecting block is fixedly connected to an anti-deformation component, one end of the anti-deformation component is fixedly connected to a second connecting block, one end of the second connecting block is fixedly connected to a flame-retardant layer, an armor layer is provided on the outer surface of the flame-retardant layer, a moisture-proof layer is provided on the outer surface of the armor layer, and an outer sheath is provided on the outer surface of the moisture-proof layer.

[0006] According to the pressure-resistant and heat-resistant electric wire and cable, the insulating layer is made of ethylene-propylene rubber.

[0007] According to the pressure-resistant and heat-resistant electric wire and cable, the anti-interference layer is woven from braided soft copper wires.

[0008] According to the described pressure-resistant and heat-resistant wire and cable, the anti-deformation component includes a mounting column, a cavity is opened inside the mounting column, a return spring is fixedly connected inside the cavity, one end of the return spring is fixedly connected to a limiting plate, one side of the limiting plate is fixedly connected to a telescopic column, and the telescopic column passes through the mounting column.

[0009] According to the pressure-resistant and heat-resistant wire and cable, the flame-retardant layer is made of low-smoke halogen-free flame-retardant polyolefin.

[0010] According to the pressure-resistant and heat-resistant wire and cable, the armor layer is made of galvanized steel strip.

[0011] According to the pressure-resistant and heat-resistant electric wire and cable, the moisture-proof layer is composed of a non-woven fabric layer and a mica tape.

[0012] The purpose of this utility model is to provide a pressure-resistant and heat-resistant wire and cable, the main innovations are:

[0013] 1. This kind of pressure-resistant and heat-resistant wire and cable is equipped with an anti-deformation component. When the main body of the wire and cable is squeezed, the reset spring contracts. When the squeezing force disappears, the reset spring resets to prevent the main body of the wire and cable from deformation and improve the compressive performance of the main body of the wire and cable.

[0014] 2. This kind of pressure-resistant and heat-resistant wire and cable improves the tensile resistance of the wire and cable body by setting an armor layer, improves the flame retardant and heat resistance of the wire and cable body by setting a flame retardant layer, and effectively isolates moisture by setting a moisture-proof layer to prevent moisture from invading the conductor, thereby ensuring the safety of cable power transmission.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is a schematic diagram of the structure of a pressure-resistant and heat-resistant wire and cable proposed by the utility model;

[0018] Figure 2 The utility model proposed Figure 1 The structural diagram at A in the middle;

[0019] Figure 3 This is a diagram of an anti-deformation component of a pressure-resistant and heat-resistant wire and cable proposed by the utility model.

[0020] Legend:

[0021] 1. Cable core; 2. Insulation layer; 3. Anti-interference layer; 4. First connection block; 5. Anti-deformation component; 6. Second connection block; 7. Flame retardant layer; 8. Armor layer; 9. Moisture-proof layer; 10. Outer sheath; 51. Mounting column; 52. Cavity; 53. Reset spring; 54. Limiting plate; 55. Telescopic column. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-3 The utility model embodiment is a pressure-resistant and heat-resistant wire and cable, which includes a cable core 1, an insulating layer 2 is provided on the outer surface of the cable core 1, an anti-interference layer 3 is provided on the outer surface of the insulating layer 2, a plurality of first connecting blocks 4 are fixedly connected to the outer surface of the anti-interference layer 3, one end of the first connecting block 4 is fixedly connected to an anti-deformation component 5, one end of the anti-deformation component 5 is fixedly connected to a second connecting block 6, and one end of the second connecting block 6 is fixedly connected to a flame-retardant layer 7. By providing the flame-retardant layer 7, the flame-retardant and heat-resistant properties of the wire and cable body are improved, the outer surface of the flame-retardant layer 7 is provided with an armor layer 8, and the tensile resistance of the wire and cable body is improved by providing the armor layer 8. The outer surface of the armor layer 8 is provided with a moisture-proof layer 9. By providing the moisture-proof layer 9, moisture can be effectively isolated, moisture can be prevented from invading the conductor, and the safety of cable power transmission is ensured. The outer surface of the moisture-proof layer 9 is provided with an outer sheath 10.

[0024] The insulating layer 2 is made of ethylene propylene rubber, the anti-interference layer 3 is woven from braided soft copper wire, the anti-deformation component 5 includes a mounting column 51, a cavity 52 is opened inside the mounting column 51, a reset spring 53 is fixedly connected inside the cavity 52, one end of the reset spring 53 is fixedly connected to a limiting plate 54, one side of the limiting plate 54 is fixedly connected to a telescopic column 55, the telescopic column 55 passes through the mounting column 51, by setting the anti-deformation component 5, when the main body of the wire and cable is squeezed, the reset spring 53 contracts, and when the squeezing force disappears, the reset spring 53 resets, thereby preventing the main body of the wire and cable from being deformed and improving the compressive resistance of the main body of the wire and cable. The flame retardant layer 7 is made of low-smoke halogen-free flame-retardant polyolefin, the armor layer 8 is made of galvanized steel strip, and the moisture-proof layer 9 is composed of a non-woven fabric layer and a mica tape.

[0025] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A pressure-resistant and heat-resistant wire and cable, characterized in that: include: A cable core (1), wherein an insulating layer (2) is provided on the outer surface of the cable core (1), an anti-interference layer (3) is provided on the outer surface of the insulating layer (2), a plurality of first connection blocks (4) are fixedly connected to the outer surface of the anti-interference layer (3), one end of the first connection block (4) is fixedly connected to an anti-deformation component (5), one end of the anti-deformation component (5) is fixedly connected to a second connection block (6), one end of the second connection block (6) is fixedly connected to a flame retardant layer (7), an armor layer (8) is provided on the outer surface of the flame retardant layer (7), a moisture-proof layer (9) is provided on the outer surface of the armor layer (8), and an outer sheath (10) is provided on the outer surface of the moisture-proof layer (9).

2. A pressure-resistant and heat-resistant wire and cable according to claim 1, characterized in that: The insulating layer (2) is made of ethylene propylene rubber.

3. The pressure-resistant and heat-resistant wire and cable according to claim 1, characterized in that: The anti-interference layer (3) is woven from braided soft copper wires.

4. The pressure-resistant and heat-resistant wire and cable according to claim 1, characterized in that: The anti-deformation component (5) comprises a mounting column (51), a cavity (52) is provided inside the mounting column (51), a return spring (53) is fixedly connected inside the cavity (52), one end of the return spring (53) is fixedly connected to a limiting plate (54), one side of the limiting plate (54) is fixedly connected to a telescopic column (55), and the telescopic column (55) passes through the mounting column (51).

5. The pressure-resistant and heat-resistant wire and cable according to claim 1, characterized in that: The flame retardant layer (7) is made of low-smoke halogen-free flame retardant polyolefin.

6. The pressure-resistant and heat-resistant wire and cable according to claim 1, characterized in that: The armor layer (8) is made of galvanized steel strip.

7. The pressure-resistant and heat-resistant wire and cable according to claim 1, characterized in that: The moisture-proof layer (9) is composed of a non-woven fabric layer and a mica tape.

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