Cable with high protection performance

Abstract

The utility model discloses a cable with high protection performance, which comprises an outer protective layer and a conductor wire harness arranged in the outer protective layer, the inner ring of the outer protective layer is wrapped with a shielding layer, the shielding layer is internally provided with an X-shaped isolation frame, and the four end parts of the isolation frame extend into the inner wall of the shielding layer. According to the utility model, through the arrangement of the isolation frame, the interior of the cable has relatively strong bearing capacity, the influence of external force on the cable can be reduced, after the end part of the isolation frame is inserted into the shielding layer, local stress concentration can be avoided, the cable cannot be easily twisted under the action of the external force, the protection performance is high, and meanwhile, due to the filling of the aramid yarn, the cable can be prevented from being twisted easily. According to the utility model, various transverse and longitudinal compression resistance and torsion resistance of the isolation frame are satisfied, so that the overall torsion resistance of the cable is improved, the protection performance of the cable is improved again, and the use of the cable is facilitated.

Description

Technical Field

[0001] The utility model specifically relates to a cable with high protection performance. Background Art

[0002] Cable is a general term for optical cables, electrical cables and other items. Cables have many uses, mainly used for control installation, connecting equipment, transmitting electricity and other multiple functions. They play an important role in daily life and industrial fields. From household appliances to large-scale industrial production, from communication networks to energy transmission, cables are indispensable infrastructure. In other words, cables are a common and indispensable thing in daily life. Since cables are charged, installation also requires special caution.

[0003] However, current cables are easily twisted by external forces during use, which deteriorates the use effect of the conductor harness. What is worse, it may cause local rupture of the outer sheath, resulting in low protection performance, which urgently needs to be improved.

[0004] Therefore, it is necessary to invent a cable with high protection performance to solve the above problems. Utility Model Content

[0005] (I) Purpose of the utility model

[0006] In order to solve the technical problems existing in the background technology, the utility model proposes a cable with high protective performance. By providing an isolation frame, the cable has a strong bearing capacity inside, which can reduce the influence of external force on the cable. After the end of the isolation frame is inserted into the shielding layer, local stress concentration can be avoided, so that the cable will not be easily twisted under the action of external force, and the protective performance is high. At the same time, the filling of aramid yarn makes the various transverse and longitudinal compression and torsion resistance of the isolation frame satisfied, thereby improving the overall torsion resistance of the cable, and further improving the protective performance of the cable, which is beneficial to the use of the cable.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cable with high protective performance, comprising an outer sheath, and a conductor wire bundle arranged in the outer sheath, the inner circle of the outer sheath is wrapped with a shielding layer, an isolation frame is arranged inside the shielding layer, the isolation frame is arranged in an X shape, and the four ends of the isolation frame extend into the inner wall of the shielding layer, the conductor wire bundle is isolated into four strands by the isolation frame, the outer circle of each conductor wire bundle is provided with an insulating layer, and aramid yarn is filled between the outside of the insulating layer and the shielding layer.

[0009] Preferably, tensile reinforcement is further provided inside the center of the isolation frame, and the tensile reinforcement is configured as steel wire.

[0010] Preferably, a plurality of elastic strips are connected to the outside of the outer protective layer, and the elastic strips are configured to be rubber.

[0011] Preferably, the elastic strips are distributed on the outside of the outer protective layer in a circular array.

[0012] Preferably, the outer protective layer is configured as a halogen-free, low-smoke, flame-retardant polyolefin outer sheath.

[0013] Preferably, the shielding layer is woven from aluminum foil.

[0014] Preferably, the insulating layer is configured to be polyvinyl chloride.

[0015] Compared with the prior art, the above technical solution of the utility model has the following beneficial effects:

[0016] The utility model arranges an X-shaped isolation frame inside the shielding layer, which not only isolates the four conductor harnesses, but also provides stable support inside the shielding layer, has a strong bearing capacity, and can reduce the influence of external force on the cable. After the end of the isolation frame is inserted into the shielding layer, the external force on the cable can be effectively dispersed to the shielding layer, avoiding local stress concentration, so that the cable will not be easily twisted under the action of external force when in use, has high protective performance, and ensures the use effect of the conductor harness. The filling of aramid yarn satisfies the various transverse and longitudinal compression resistance and torsion resistance of the isolation frame, thereby improving the overall torsion resistance of the cable, further improving the protective performance of the cable, and facilitating the use of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a front cross-sectional view of the utility model;

[0020] Figure 3 It is a three-dimensional diagram of the utility model.

[0021] Description of reference numerals:

[0022] 1 outer sheath, 2 conductor harness, 3 shielding layer, 4 isolation frame, 5 insulating layer, 6 aramid yarn, 7 reinforcing ribs, 8 elastic strips. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] The utility model provides Figure 1-3 A cable with high protective performance is shown, comprising an outer sheath 1 and a conductor harness 2 arranged in the outer sheath 1, the inner circle 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 to the inner wall of the shielding layer 3, the conductor harness 2 is isolated into four strands by the isolation frame 4, the outer circle of each conductor harness 2 is provided with an insulating layer 5, and the outside of the insulating layer 5 and the shielding layer 3 are filled with aramid yarn 6.

[0025] In one embodiment, a tensile reinforcement is further provided inside the center of the isolation frame 4, and the tensile reinforcement is configured as a steel wire, so that the isolation frame 4 can withstand more external tension, thereby making the cable have good tensile resistance and not easy to break.

[0026] In one embodiment, a plurality of elastic strips 8 are connected to the outside of the outer sheath 1. The elastic strips 8 are set to rubber and are distributed in a circular array on the outside of the outer sheath 1. The elastic strips 8 are made of a rubber material with deformation characteristics, so that when the cable is laid, the outer sheath 1 has a certain buffering performance, which can reduce the damage to the cable caused by collision impact. The circular array distribution can provide all-round protection for the cable.

[0027] In one embodiment, the outer sheath 1 is configured as a halogen-free, low-smoke, flame-retardant polyolefin outer sheath, which has excellent heat resistance, cold resistance, dielectric properties, atmospheric aging resistance, and insulation performance, and also has environmental protection performance, and can provide all-round protection for the conductor harness 2. The shielding layer 3 is woven from aluminum foil to prevent high-frequency electromagnetic waves from contacting the conductor harness 2 to generate induced current and reduce crosstalk. The insulating layer 5 is configured as polyvinyl chloride, which can provide long-term and stable insulation protection for the conductor harness 2, and is cheap and has a simple manufacturing process.

[0028] The specific implementation method is as follows: the outer sheath 1 of the utility model is set as a halogen-free low-smoke flame-retardant polyolefin outer sheath. The material itself has good excellent performance and can provide protection for the conductor harness 2. When the cable is in use, the isolation plate not only isolates the four conductor harnesses 2, but the X-shaped isolation plate is also symmetrical when supported inside the shielding layer 3. It has high stability and bearing capacity, can reduce the influence of external force on the cable, and can prevent the cable from twisting. After the end is inserted into the shielding layer 3, the external force on the cable can be effectively dispersed to the shielding layer 3, avoiding local stress concentration, and having strong anti-twisting performance, so that the cable will not be easily twisted under the action of external force when in use, ensuring the use effect of the conductor harness 2, and the filling of aramid yarn 6 can protect the isolation frame 4, so that the stability of the isolation frame 4 is further improved. When used together with the tensile reinforcement, the various transverse and longitudinal compression resistance and torsion resistance of the isolation frame 4 are met, thereby improving the overall torsion resistance of the cable, so that the cable has better protective performance;

[0029] Besides providing buffer protection, the elastic strip 8 can also reduce the friction area between the outer sheath 1 and the ground, thereby reducing the loss of the cable caused by friction, thereby achieving the purpose of ensuring the use effect and extending the service life;

[0030] This embodiment specifically solves the problem in the prior art that the current cables are easily twisted by external forces when in use, which makes the use effect of the conductor harness 2 worse, and even worse, it may cause partial rupture of the outer sheath 1, resulting in low protection performance, which urgently needs to be improved.

[0031] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A cable with high protection performance, comprising an outer sheath (1), and a conductor harness (2) arranged in the outer sheath (1), characterized in that: The inner circle 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 wire bundle (2) is separated into four strands by the isolation frame (4), the outer circle of each conductor wire bundle (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: Anti-tensile reinforcement is also arranged inside the center of the isolation frame (4), and the anti-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 protective layer (1), and the elastic strips (8) are configured as rubber.

4. A cable with high protection performance according to claim 3, characterized in that: The elastic strips (8) are distributed in a circular array on the outside of the outer protective layer (1).

5. A cable with high protection performance according to claim 1, characterized in that: The outer protective layer (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 configured to be polyvinyl chloride.

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