CN219393013U - Connecting wire - Google Patents

Abstract

The utility model belongs to the technical field of net wires, and particularly relates to a connecting wire, which comprises a crosslinked polyethylene bracket, wherein first anti-interference layers are fixed in four cavities of the crosslinked polyethylene bracket, twisted pairs are arranged in the first anti-interference layers, filling layers are filled in the cavities between the twisted pairs and the first anti-interference layers, and a second anti-interference layer is fixed on the surface of the crosslinked polyethylene bracket. According to the utility model, the crosslinked polyethylene bracket, the first anti-interference layer, the filling layer, the second anti-interference layer, the inner flame retardant layer, the polyethylene insulating layer and the outer flame retardant layer are arranged, and in the process of using the connecting net wire, the electromagnetic signal shielding effect of the net wire is enhanced by using the arranged first anti-interference layer and second anti-interference layer, so that the anti-interference capability of the net wire is improved, and under the protection of the inner flame retardant layer and the outer flame retardant layer, the fire resistance and high temperature resistance of the net wire are enhanced, so that the safety performance of the net wire in use is greatly improved.

Description

Connecting wire

Technical Field

The utility model relates to the technical field of network cables, in particular to a connecting wire.

Background

The network cable is a connecting wire for connecting a computer with the computer and the computer with other network equipment, the network cable commonly used in a local area network is provided with two twisted pair wires and a coaxial thin cable, and the twisted pair wires are data transmission lines formed by a plurality of pairs, and the network cable is characterized by low price, so that the network cable is widely applied to building facilities and urban streets, residential communities, underground railways, underground streets, large power stations and important industrial and mining enterprises, a certain number of network cables are arranged, the application is extremely wide, but the current twisted pair network cable has poor electromagnetic interference resistance when in use, and the overall stability of the network cable can be influenced by complex environment and human factors, and meanwhile, the fire resistance and the high temperature resistance of the network cable are poor, so that the fire resistance and the flame retardance of the network cable are reduced, and therefore, the connecting wire is proposed to solve the problems.

Disclosure of Invention

(one) solving the technical problems

In order to overcome the defects in the prior art, the utility model provides a connecting wire which solves the problems in the prior art.

(II) technical scheme

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides a connecting wire, includes crosslinked polyethylene support, four cavity interiors of crosslinked polyethylene support all are fixed with first anti-interference layer, the inside of first anti-interference layer all is provided with the twisted pair, the cavity inside between twisted pair and the first anti-interference layer all is filled with the filling layer, crosslinked polyethylene support's surface fixation has the second anti-interference layer, the surface fixation of second anti-interference layer has the internal combustion layer, the surface fixation of internal combustion layer has the polyethylene insulating layer, the surface fixation of polyethylene insulating layer has outer fire-retardant layer, the surface fixation of outer fire-retardant layer has the wear-resisting restrictive coating.

Further, the first anti-interference layer and the second anti-interference layer are both metal copper mesh woven layers.

Further, the inner flame retardant layer is a mica tape layer, and the outer flame retardant layer is a glass fiber layer.

Further, the filling layer is a low-smoke halogen-free flame-retardant filling strip.

Further, the wear-resistant sheath layer is a nitrile rubber layer.

(III) beneficial effects

Compared with the prior art, the utility model provides a connecting wire, which has the following beneficial effects:

according to the utility model, the crosslinked polyethylene bracket, the first anti-interference layer, the filling layer, the second anti-interference layer, the inner flame retardant layer, the polyethylene insulating layer and the outer flame retardant layer are arranged, and in the process of using the connecting net wire, the electromagnetic signal shielding effect of the net wire is enhanced by using the arranged first anti-interference layer and second anti-interference layer, so that the anti-interference capability of the net wire is improved, and the fire resistance and high temperature resistance of the net wire are enhanced under the protection of the inner flame retardant layer and the outer flame retardant layer, so that the safety performance of the net wire in use is greatly improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

fig. 2 is a cross-sectional view of the overall structure of the present utility model.

In the figure: 1. a cross-linked polyethylene scaffold; 2. a first anti-interference layer; 3. twisted pair wires; 4. a filling layer; 5. a second anti-interference layer; 6. an inner flame retardant layer; 7. a polyethylene insulating layer; 8. an outer flame retardant layer; 9. and a wear-resistant sheath layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

As shown in fig. 1 and fig. 2, a connecting wire according to an embodiment of the present utility model includes a crosslinked polyethylene bracket 1, a first anti-interference layer 2 is fixed inside four cavities of the crosslinked polyethylene bracket 1, twisted pairs 3 are disposed inside the first anti-interference layer 2, a filling layer 4 is filled inside the cavities between the twisted pairs 3 and the first anti-interference layer 2, a second anti-interference layer 5 is fixed on the surface of the crosslinked polyethylene bracket 1, an inner flame retardant layer 6 is fixed on the surface of the second anti-interference layer 5, a polyethylene insulating layer 7 is fixed on the surface of the inner flame retardant layer 6, an outer flame retardant layer 8 is fixed on the surface of the polyethylene insulating layer 7, and a wear-resistant sheath layer 9 is fixed on the surface of the outer flame retardant layer 8.

As shown in fig. 2, in some embodiments, the first anti-interference layer 2 and the second anti-interference layer 5 are both metal copper mesh woven layers, and the metal copper mesh woven layers can enhance the anti-stretching and anti-compression effects of the mesh wires while enhancing the anti-interference performance of the mesh wires.

As shown in fig. 2, in some embodiments, the inner flame retardant layer 6 is a mica tape layer, the outer flame retardant layer 8 is a glass fiber layer, the mica tape has excellent high temperature resistance and combustion resistance, and the glass fiber has the advantages of good insulation, strong heat resistance, good corrosion resistance and the like, so that the overall fireproof flame retardant performance of the net wire can be enhanced.

As shown in fig. 1 and 2, in some embodiments, the filler layer 4 is a low smoke, halogen-free, flame retardant filler strip, with which the fire resistance of the mesh wire can be further enhanced.

As shown in fig. 1, in some embodiments, the wear-resistant sheath layer 9 is a nitrile rubber layer, and the wear-resistant performance of the surface of the mesh wire can be enhanced due to the advantages of the nitrile rubber, such as good water resistance and wear resistance.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. A connecting wire comprising a cross-linked polyethylene bracket (1), characterized in that: the novel anti-interference polyethylene composite cable material is characterized in that first anti-interference layers (2) are fixed inside four cavities of the crosslinked polyethylene support (1), twisted pairs (3) are arranged inside the first anti-interference layers (2), filling layers (4) are filled inside the cavities between the twisted pairs (3) and the first anti-interference layers (2), second anti-interference layers (5) are fixed on the surface of the crosslinked polyethylene support (1), inner flame-retardant layers (6) are fixed on the surface of the second anti-interference layers (5), polyethylene insulating layers (7) are fixed on the surface of the inner flame-retardant layers (6), outer flame-retardant layers (8) are fixed on the surface of the polyethylene insulating layers (7), and wear-resistant sheath layers (9) are fixed on the surface of the outer flame-retardant layers (8).

2. A connection wire according to claim 1, characterized in that: the first anti-interference layer (2) and the second anti-interference layer (5) are both metal copper mesh braiding layers.

3. A connection wire according to claim 1, characterized in that: the inner flame-retardant layer (6) is a mica tape layer, and the outer flame-retardant layer (8) is a glass fiber layer.

4. A connection wire according to claim 1, characterized in that: the filling layer (4) is a low-smoke halogen-free flame-retardant filling strip.

5. A connection wire according to claim 1, characterized in that: the wear-resistant sheath layer (9) is a nitrile rubber layer.