CN222190319U - Cable with high protection performance - Google Patents

Abstract

The utility model discloses a cable with high protection performance, which comprises an outer protective layer and a conductor harness arranged in the outer protective layer, wherein a shielding layer is wrapped on the inner ring of the outer protective layer, an isolation frame is arranged in the shielding layer, the isolation frame is X-shaped, and four end parts of the isolation frame extend into the inner wall of the shielding layer. The cable is provided with the isolation frame, so that the cable has stronger bearing capacity, the influence of external force on the cable can be reduced, the local stress concentration can be avoided after the end part of the isolation frame is inserted into the shielding layer, the cable can not be easily distorted under the action of the external force, the protection performance is high, meanwhile, the filling of the aramid yarn ensures that various compressive properties and torsional properties of the isolation frame in the transverse direction and the longitudinal direction are met, the integral torsional capacity of the cable is further improved, the protection performance of the cable is improved again, and the use of the cable is facilitated.

Description

Cable with high protection performance

Technical Field

The utility model particularly relates to a cable with high protection performance.

Background

The cable is a generic term of articles such as optical cables and electric cables, has many uses, is mainly used for controlling multiple functions such as installation, connection equipment, power transmission and the like, plays an important role in daily life and industrial fields, and is an indispensable infrastructure from household appliances to large industrial production and from communication networks to energy transmission, namely, the cable is an indispensable thing in daily life, and the installation needs special caution because the cable is electrified.

However, when the conventional cable is used, the cable is easily twisted by external force, so that the use effect of the conductor wire harness is poor, and the outer protective layer is partially broken, so that the protective performance is low, and improvement is needed.

Therefore, it is necessary to invent a cable with high protection performance to solve the above problems.

Disclosure of utility model

Object of the utility model

In order to solve the technical problems in the background art, the cable with high protection performance is provided with the isolation frame, so that the cable has strong bearing capacity, the influence of external force on the cable can be reduced, the end part of the isolation frame is inserted into the shielding layer, the local stress concentration can be avoided, the cable cannot be easily distorted under the action of the external force, the protection performance is high, meanwhile, the aramid yarn is filled, the transverse and longitudinal various compression resistance and torsion resistance of the isolation frame are met, the integral torsion resistance of the cable is further improved, the protection performance of the cable is improved again, and the cable is beneficial to use.

(II) technical scheme

In order to achieve the purpose, the cable with high protection performance comprises an outer protective layer and conductor wire harnesses arranged in the outer protective layer, wherein a shielding layer is wrapped on the inner ring of the outer protective layer, an isolating frame is arranged in the shielding layer, the isolating frame is X-shaped, four end parts of the isolating frame extend into the inner wall of the shielding layer, the conductor wire harnesses are isolated into four strands through the isolating frame, an insulating layer is arranged on the outer ring of each conductor wire harness, and aramid yarns are filled between the outer part of the insulating layer and the shielding layer.

Preferably, the inside anti-stretching rib that still is provided with in isolation frame center, the anti-stretching rib sets up to the steel wire.

Preferably, a plurality of elastic strips are connected to the outer side of the outer protective layer, and the elastic strips are made of rubber.

Preferably, the elastic strips are distributed on the outer side of the outer protective layer in a circular array.

Preferably, the outer sheath is provided as a halogen-free low smoke flame retardant polyolefin outer sheath.

Preferably, the shielding layer is woven from aluminum foil.

Preferably, the insulating layer is made of polyvinyl chloride.

Compared with the prior art, the technical scheme of the utility model has the beneficial effects that:

According to the utility model, the X-shaped isolation frame is arranged in the shielding layer, so that four conductor harnesses are isolated, stable support can be carried out in the shielding layer, the bearing capacity is high, the influence of external force on the cable can be reduced, the end part of the isolation frame can effectively disperse the external force borne by the cable on the shielding layer after being inserted into the shielding layer, the local stress concentration is avoided, the cable cannot be easily twisted under the action of external force when in use, the protective performance is high, the use effect of the conductor harnesses is ensured, the filling of aramid yarns ensures that the transverse and longitudinal various compression resistance and torsion resistance of the isolation frame are all met, the integral torsion resistance of the cable is further improved, the protective performance of the cable is improved again, and the use of the cable is facilitated.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

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

FIG. 2 is a front cross-sectional view of the present utility model;

Fig. 3 is a perspective view of the present utility model.

Reference numerals illustrate:

1 outer sheath, 2 conductor wire harness, 3 shielding layer, 4 isolation frame, 5 insulating layer, 6 aramid yarn, 7 strengthening rib, 8 elastic strip.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The utility model provides a cable with high protective performance as shown in fig. 1-3, which comprises an outer protective layer 1 and conductor wire harnesses 2 arranged in the outer protective layer 1, wherein a shielding layer 3 is wrapped on the inner ring of the outer protective layer 1, an isolation frame 4 is arranged in the shielding layer 3, the isolation frame 4 is arranged in an X shape, four ends of the isolation frame 4 extend into the inner wall of the shielding layer 3, the conductor wire harnesses 2 are isolated into four strands through the isolation frame 4, an insulating layer 5 is arranged on the outer ring of each conductor wire harness 2, and aramid yarns 6 are filled between the outer part of the insulating layer 5 and the shielding layer 3.

In an embodiment, the inside anti lacing wire that still is provided with in isolation frame 4 center, the lacing wire sets up to the steel wire for isolation frame 4 can bear more external pulling force, and then makes this cable stretch-proofing effectual, difficult fracture.

In an embodiment, be connected with a plurality of elastic strip 8 in the outer sheath 1 outside, elastic strip 8 sets up to rubber, elastic strip 8 is circular array and distributes in the outside of outer sheath 1, makes elastic strip 8 through adopting the rubber material that has the deformation characteristic for this cable when laying, makes outer sheath 1 have certain buffer performance, can slow down the damage of collision impact to this cable, and is circular array and distributes, can carry out diversified protection to this cable.

In one embodiment, the outer protective layer 1 is a halogen-free low-smoke flame-retardant polyolefin outer protective sleeve, has excellent heat resistance, cold resistance, dielectric property, atmospheric aging resistance and insulating property, and simultaneously has environmental protection, so that the conductor wire harness 2 can be comprehensively protected, the shielding layer 3 is formed by braiding aluminum foils, induced current is prevented from being generated by contact of high-frequency electromagnetic waves and the conductor wire harness 2, crosstalk is reduced, the insulating layer 5 is made of polyvinyl chloride, insulation protection can be provided for the conductor wire harness 2 body stably for a long time, the price is low, and the manufacturing process is simple.

The outer sheath 1 is provided with a halogen-free low-smoke flame-retardant polyolefin outer sheath, the material has good excellent performance, the material can provide protection for the conductor wire harness 2, when the cable is used, the isolation board not only isolates four conductor wire harnesses 2, but also has symmetry when the X-shaped isolation board is supported in the shielding layer 3, the stability and bearing capacity are higher, the influence of external force on the cable can be reduced, the cable is prevented from being twisted, the cable can be effectively dispersed to the shielding layer 3 after the end part is inserted into the shielding layer 3, the local stress concentration is avoided, the cable has stronger anti-twisting performance, the cable cannot be easily twisted under the action of external force when the cable is used, the use effect of the conductor wire harness 2 is ensured, the filling of the aramid yarn 6 can protect the isolation frame 4, the stability of the isolation frame 4 is further improved, the cable is used together with the anti-twisting ribs, the cable has better anti-twisting performance when the cable is matched with the anti-twisting ribs, and the cable has better anti-twisting performance;

The elastic strip 8 can reduce the friction area between the outer protective layer 1 and the ground while providing buffer protection, so that the loss of friction to the cable is reduced, and the purposes of ensuring the use effect and prolonging the service life are achieved;

the embodiment specifically solves the problems that when the cable in the prior art is used, the cable is easy to be twisted by external force, so that the using effect of the conductor wire harness 2 is poor, and the outer protective layer 1 is broken locally, the protective performance is low, and improvement is needed.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (7)

1. A cable with high protective performance, comprising an outer sheath (1), and a conductor harness (2) arranged in the outer sheath (1), characterized in that: the inner ring of the outer sheath (1) is wrapped with a shielding layer (3), an isolation frame (4) is arranged inside the shielding layer (3), the isolation frame (4) is arranged in an X shape, and the four ends of the isolation frame (4) extend into the inner wall of the shielding layer (3), the conductor harness (2) is isolated into four strands by the isolation frame (4), the outer ring of each strand of the conductor harness (2) is provided with an insulating layer (5), and the space between the outside of the insulating layer (5) and the shielding layer (3) is filled with aramid yarn (6). 2. A cable with high protection performance according to claim 1, characterized in that: a tensile reinforcement is also arranged inside the center of the isolation frame (4), and the tensile reinforcement is arranged as a steel wire. 3. A cable with high protection performance according to claim 1, characterized in that: a plurality of elastic strips (8) are connected to the outside of the outer sheath (1), and the elastic strips (8) are set to rubber. 4. A cable with high protection performance according to claim 3, characterized in that the elastic strips (8) are distributed on the outside of the outer sheath (1) in a circular array. 5. A cable with high protection performance according to claim 1, characterized in that: the outer sheath (1) is configured as a halogen-free, low-smoke, flame-retardant polyolefin outer sheath. 6. A cable with high protection performance according to claim 1, characterized in that: the shielding layer (3) is woven from aluminum foil. 7. A cable with high protection performance according to claim 1, characterized in that: the insulating layer (5) is set to polyvinyl chloride.