CN220491639U

CN220491639U - Impact-resistant wire and cable

Info

Publication number: CN220491639U
Application number: CN202322111070.1U
Authority: CN
Inventors: 李易周
Original assignee: Qingdao Ruiyuanchi Electronics Co ltd
Current assignee: Qingdao Ruiyuanchi Electronics Co ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-02-13
Anticipated expiration: 2033-08-08

Abstract

The utility model discloses an impact-resistant wire and cable, which comprises a metal layer, a conductive core, an insulating layer, reinforcing ribs and a buffer adhesive layer, wherein the outer side of the insulating layer is connected with a shielding layer through a connecting strip, and an inner filling layer is filled among the insulating layer, the connecting strip and the shielding layer; limiting blocks are symmetrically arranged on the outer sides of the reinforcing ribs, and positioning grooves matched with the limiting blocks in size are formed in the outer sides of the shielding layers and the inner sides of the metal layers; the buffer glue layer outside activity cover is equipped with the flame retardant coating, and the cladding of flame retardant coating outside has the wearing layer, and it has outer filling layer to fill between flame retardant coating, metal level and the buffer glue layer. According to the utility model, the buffer effect of the electric wire and the cable is increased through the inner filling layer and the outer filling layer, the limit between the shielding layer and the metal layer is increased through the cooperation of the reinforcing ribs and the limit blocks, the stability of the cable is increased, the impact of the cable is buffered through the buffer adhesive layer, the impact resistance is increased, and the wear resistance and the fire resistance of the electric wire and the cable are increased through the fire-resistant layer and the wear-resistant layer.

Description

Impact-resistant wire and cable

Technical Field

The utility model relates to the technical field of electric wires and cables, in particular to an impact-resistant electric wire and cable.

Background

Wire and cable are used for transmitting electric (magnetic) energy, information and wire products for electromagnetic energy conversion, which are also referred to as cables in the broad sense, and which are insulated cables in the narrow sense, which can be defined as: an aggregate consisting of; one or more insulated cores, and the respective coatings, total protective layers and outer protective layers that they may have, may also have additional uninsulated conductors.

Because the electric wires and cables are all laid outdoors, when the electric wires and cables are subjected to severe thunderstorm weather, the electric wires and cables are easy to shake and collide with external objects, and the electric wires and cables are easy to break and damage, so that the work of the internal circuits of the electric wires and cables is influenced, and therefore, the impact-resistant electric wires and cables are provided.

Disclosure of Invention

The utility model aims to provide an impact-resistant wire and cable, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an impact resistant wire and cable comprising:

the inner side of the metal layer is provided with a guide core;

the insulating layer is coated on the outer side of the guide core, the outer side of the insulating layer is connected with the shielding layer through the connecting strip, and an inner filling layer is filled among the insulating layer, the connecting strip and the shielding layer;

the reinforcing ribs are arranged between the shielding layer and the metal layer, limiting blocks are symmetrically arranged on the outer sides of the reinforcing ribs, and positioning grooves matched with the limiting blocks in size are formed in the outer sides of the shielding layer and the inner sides of the metal layer;

the buffer glue layer is fixedly connected to the outer side of the metal layer, the fireproof layer is movably sleeved on the outer side of the buffer glue layer, the wear-resistant layer is coated on the outer side of the fireproof layer, and an outer filling layer is filled among the fireproof layer, the metal layer and the buffer glue layer.

As a further preferable mode of the technical scheme, the section of the buffer adhesive layer is arc-shaped, the section of the reinforcing rib is circular, and the outer side of the reinforcing rib is in fit contact with the outer side of the shielding layer and the inner side of the metal layer.

As a further preferable mode of the technical scheme, the connecting strips are arranged on the outer side of the insulating layer in an annular array, and the reinforcing ribs are arranged in an annular array.

As a further preferable mode of the technical scheme, a supporting framework is arranged outside the shielding layer, and the supporting framework is located between adjacent reinforcing ribs.

As a further preferable mode of the technical scheme, the cross section of the supporting framework is triangular, and one corner of the supporting framework is in fit contact with the inner side of the metal layer.

The utility model provides an impact-resistant wire and cable, which has the following beneficial effects:

according to the utility model, the buffer effect of the electric wire and the cable is increased through the inner filling layer and the outer filling layer, the limit between the shielding layer and the metal layer is increased through the cooperation of the reinforcing ribs and the limit blocks, the stability of the cable is increased, the impact of the cable is buffered through the buffer adhesive layer, the impact resistance is increased, and the wear resistance and the fire resistance of the electric wire and the cable are increased through the fire-resistant layer and the wear-resistant layer.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the metal layer, the shielding layer and the supporting framework of the present utility model;

FIG. 3 is a schematic view showing the distribution of the inner filling layer in the insulating layer, the shielding layer and the connecting strips according to the present utility model;

fig. 4 is a schematic diagram of a connection structure of a reinforcing rib and a limiting block of the utility model.

In the figure: 1. a metal layer; 2. a guide core; 3. a buffer adhesive layer; 4. a fire-blocking layer; 5. a wear-resistant layer; 6. an outer filling layer; 7. an insulating layer; 8. a shielding layer; 9. reinforcing ribs; 901. a limiting block; 10. a support skeleton; 11. a connecting strip; 12. and (5) an inner filling 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.

Specific embodiments of the present utility model will be described below with reference to the accompanying drawings

As shown in fig. 1, an impact-resistant wire and cable comprises:

as shown in fig. 1, a metal layer 1, a guide core 2 is disposed inside the metal layer 1, and the metal layer 1 protects the guide core 2.

As shown in fig. 1 and 3, the insulating layer 7 cladding is in the core 2 outside, and the insulating layer 7 outside is connected with shielding layer 8 through connecting strip 11, and insulating layer 7 and shielding layer 8 play wire and cable insulation and shielding effect, and it has inner filling layer 12 to fill between insulating layer 7, connecting strip 11 and the shielding layer 8, and inner filling layer 12 is the foam, increases wire and cable impact resistance ability.

As shown in fig. 1 and 3, the connection bars 11 are installed outside the insulating layer 7 in a ring-shaped array, the reinforcing ribs 9 are arranged in a ring-shaped array, and the connection stability of the shielding layer 8 and the insulating layer 7 is improved through the connection bars 11.

As shown in fig. 1 and 4, the reinforcing rib 9 is arranged between the shielding layer 8 and the metal layer 1, the outer side of the reinforcing rib 9 is symmetrically provided with limiting blocks 901, the outer side of the shielding layer 8 and the inner side of the metal layer 1 are respectively provided with a positioning groove matched with the size of the limiting blocks 901, and the stability of connection of the shielding layer 8, the metal layer 1 and the reinforcing rib 9 is improved through the limiting blocks 901 and the positioning grooves.

As shown in fig. 1 and 2, a supporting framework 10 is installed on the outer side of the shielding layer 8, the supporting framework 10 is located between adjacent reinforcing ribs 9, and the supporting stability of the reinforcing ribs 9 is increased through the supporting framework 10.

As shown in fig. 1 and 2, the buffer adhesive layer 3, buffer adhesive layer 3 fixed connection is in the metal level 1 outside, buffer adhesive layer 3 outside movable sleeve is equipped with flame retardant coating 4, the cladding of flame retardant coating 4 outside has wearing layer 5, flame retardant coating 4 and wearing layer 5 play wire and cable fire prevention and wear-resisting effect, outside wearing and tearing when avoiding wire and cable to receive the impact, the packing has outer filling layer 6 between flame retardant coating 4, metal level 1 and the buffer adhesive layer 3, outer filling layer 6 is the rubber granule material, increase buffer adhesive layer 3 buffering effect.

As shown in fig. 1 and 2, the cross section of the supporting framework 10 is triangular, one corner of the supporting framework 10 is in contact with the inner side of the metal layer 1, and the stability of the supporting framework 10 is increased for describing the shape of the supporting framework 10.

As shown in fig. 1, in this embodiment, specifically: the cross section of the buffer glue layer 3 is arc-shaped, the cross section of the reinforcing rib 9 is annular, the outer side of the reinforcing rib 9 is in fit contact with the outer side of the shielding layer 8 and the inner side of the metal layer 1, and the reinforcing rib 9 increases the structural stability between the metal layer 1 and the shielding layer 8.

The theory of operation, when the wire and cable circular telegram work outside receives the striking, buffer glue film 3 produces deformation, and outer filling layer 6 receives the extrusion simultaneously, and the striking that buffer wire and cable received, metal level 1, shielding layer 8, strengthening rib 9, stopper 901 and braced skeleton 10 increase wire and cable's impact resistance effect, and the impact resistance effect of inner filling layer 12 buffering shielding layer 8, flame retardant coating 4 and wearing layer 5 carry out dual protection to wire and cable.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An impact resistant wire and cable comprising:

the metal layer (1), the inside of the metal layer (1) is provided with a guide core (2);

the insulation layer (7), the insulation layer (7) is coated on the outer side of the guide core (2), the outer side of the insulation layer (7) is connected with the shielding layer (8) through the connecting strip (11), and an inner filling layer (12) is filled among the insulation layer (7), the connecting strip (11) and the shielding layer (8);

the reinforcing ribs (9) are arranged between the shielding layer (8) and the metal layer (1), limiting blocks (901) are symmetrically arranged on the outer sides of the reinforcing ribs (9), and positioning grooves matched with the limiting blocks (901) in size are formed in the outer sides of the shielding layer (8) and the inner sides of the metal layer (1);

the buffer adhesive layer (3), buffer adhesive layer (3) fixed connection is in the metal level (1) outside, and buffer adhesive layer (3) outside activity cover is equipped with flame retardant coating (4), and the cladding of flame retardant coating (4) outside has wearing layer (5), and the packing has outer filling layer (6) between flame retardant coating (4), metal level (1) and buffer adhesive layer (3).

2. An impact resistant wire and cable according to claim 1, wherein: the section of the buffer adhesive layer (3) is arc-shaped, the section of the reinforcing rib (9) is circular, and the outer side of the reinforcing rib (9) is in fit contact with the outer side of the shielding layer (8) and the inner side of the metal layer (1).

3. An impact resistant wire and cable according to claim 2, wherein: the connecting strips (11) are arranged on the outer side of the insulating layer (7) in an annular array, and the reinforcing ribs (9) are arranged in an annular array.

4. An impact resistant wire and cable according to claim 2, wherein: and a supporting framework (10) is arranged on the outer side of the shielding layer (8), and the supporting framework (10) is positioned between the adjacent reinforcing ribs (9).

5. An impact resistant wire and cable according to claim 4 wherein: the cross section of the supporting framework (10) is triangular, and one corner of the supporting framework (10) is in fit contact with the inner side of the metal layer (1).