CN219891925U - High-strength insulating shielding cable - Google Patents

Abstract

The utility model discloses a high-strength insulating shielding cable which comprises a cable conductor, wherein an inner shielding layer is arranged on the outer side of the cable conductor, an inner protective layer is arranged on the outer side of the inner shielding layer, a filling layer is wrapped on the outer side of the inner protective layer, a flame-retardant layer is arranged on the outer side of the filling layer, the inner wall of the flame-retardant layer is attached to the outer side of the filling layer, a plurality of groups of limiting grooves are uniformly formed in the outer side wall of the flame-retardant layer along the outer side of an axis, an insulating layer is arranged on the outer surface of the flame-retardant layer, an outer shielding layer is fixedly connected to the outer side of the insulating layer, and an inner liner layer is arranged on the outer side of the outer shielding layer. The cable conductor is further protected through the inner protective layer, electromagnetic interference between the cable conductors is realized through the inner shielding layer, signal distortion is reduced, the outer shielding layer is grounded through the drain wire, the outer shielding layer is grounded to isolate the external induced interference voltage to the cable conductor, and anti-interference performance and shielding performance of the cable conductor are enhanced.

Description

High-strength insulating shielding cable

Technical Field

The utility model relates to the technical field of insulated shielded cables, in particular to a high-strength insulated shielded cable.

Background

The cable is an electric energy or signal transmission device, generally consists of a plurality of wires or a plurality of groups of wires, and is widely applied to various fields due to the continuous rapid development of construction engineering, so that the requirements on the heat resistance, cold resistance, tensile resistance, shielding and other performances of the cable are higher and higher, and the insulated shielding cable is widely applied in the fields of power transmission and data communication in order to ensure high-quality data transmission and prevent data distortion;

aiming at the prior art, the patent number is: CN201720987262.0 is a high-strength double-shielded cable, it is through being equipped with two-layer shielding layer for this cable can have better shielding effect, like this when carrying electric power, can prevent to a certain extent that communication equipment around from receiving the interference, and have better tensile and compressive property, can prevent to a certain extent that the phenomenon of disconnection from appearing in the cable, in order to guarantee power transmission and eliminate the potential safety hazard, but the cable exposes outside for a long time, and outer protector is ageing easily, makes protector displacement, thereby influences the use of inside cable.

In addition, the cable is easy to be accidentally collided or rolled by heavy objects such as stones and the like in the laying process, so that the inner insulating wire core is damaged; therefore, the existing requirements are not met, and for this reason we propose a high-strength insulated shielded cable.

Disclosure of Invention

The utility model aims to provide a high-strength insulating shielding cable, which aims to solve the problems that the cable proposed in the background art is exposed outside for a long time, an outer protective device is easy to age, so that the protective device is displaced, the use of an internal cable is affected, and the cable is easy to be accidentally collided or rolled by heavy objects such as stones and the like in the laying process, so that an internal insulating wire core is damaged.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high strength insulation shielding cable, includes the cable conductor, the outside of cable conductor is equipped with interior shielding layer, interior shielding layer outside is equipped with interior inoxidizing coating, the outside parcel of interior inoxidizing coating has the filling layer, the outside of filling layer is equipped with fire-retardant layer, and the inner wall on fire-retardant layer is laminated with the outside of filling layer, the lateral wall on fire-retardant layer evenly is equipped with a plurality of groups spacing groove along the axis outside, the surface on fire-retardant layer is equipped with the insulating layer, the outside fixedly connected with outer shielding layer of insulating layer, the outside of outer shielding layer is equipped with the inner liner.

Preferably, the inner side of the insulating layer is fixedly provided with a bulge corresponding to the limit groove, and the bulge penetrates through the flame-retardant layer and is fixedly connected with the inner wall of the limit groove.

Preferably, a drain wire is arranged between the outer shielding layer and the inner liner layer, a waterproof layer is wrapped on the outer side of the inner liner layer, and a wear-resistant layer is arranged on the outer side of the waterproof layer.

Preferably, the drain wires are arranged in six groups, the drain wires are arranged in a central symmetry mode, and the drain wires are tightly attached to the outer shielding layer.

Preferably, a plurality of wear-resistant rings are arranged on the outer side wall of the wear-resistant layer at equal intervals along the length direction of the wear-resistant layer.

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

1. according to the utility model, the contact area between the wear-resistant layer and the ground can be reduced by the wear-resistant ring at the outer side of the wear-resistant layer, so that the wear of the wear-resistant layer is slowed down, and the impact resistance of the wear-resistant layer can be increased by the wear-resistant ring, so that the impact force of a heavy object on a cable conductor can be counteracted;

2. according to the utility model, the limiting groove on the outer side of the flame-retardant layer is clamped with the bulge on the inner side of the insulating layer, so that the displacement-resistant effect of the protective device on the outer side of the cable conductor can be enhanced;

3. the cable conductor is further protected through the inner protective layer, the cable conductor is prevented from being damaged, electromagnetic interference between the cable conductors is realized through the inner shielding layer, the signal distortion condition is reduced, the outer shielding layer is grounded through the drain wire, the outer shielding layer is grounded to isolate the external induced interference voltage to the cable conductor, and the anti-interference performance and shielding performance of the cable conductor are enhanced.

Drawings

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

FIG. 2 is a front view of the entirety of the present utility model;

fig. 3 is a schematic structural diagram of the present utility model at a in fig. two.

In the figure: 1. a cable conductor; 2. an inner shielding layer; 3. an inner protective layer; 4. a filling layer; 5. a flame retardant layer; 501. a limit groove; 6. an insulating layer; 601. a protrusion; 7. an outer shielding layer; 8. an inner liner layer; 9. a drain wire; 10. a waterproof layer; 11. a wear-resistant layer; 12. wear-resistant ring.

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.

Referring to fig. 1 to 3, an embodiment of the present utility model provides: the utility model provides a high strength insulation shield cable, including cable conductor 1, cable conductor 1's the outside is equipped with interior shielding layer 2, interior shielding layer 2 outside is equipped with interior inoxidizing coating 3, the outside parcel of interior inoxidizing coating 3 has filling layer 4, the outside of filling layer 4 is equipped with fire-retardant layer 5, and the inner wall of fire-retardant layer 5 is laminated with the outside of filling layer 4, the lateral wall of fire-retardant layer 5 evenly is equipped with a plurality of groups spacing groove 501 along the axis outside, fire-retardant layer 5's surface is equipped with insulating layer 6, insulating layer 6's outside fixedly connected with outer shielding layer 7, outer shielding layer 7's outside is equipped with inner liner 8.

Be equipped with the drain wire 9 between outer shielding layer 7 and inner liner 8, drain wire 9 is equipped with six groups, drain wire 9 is central symmetry mode and arranges, and drain wire 9 closely laminates with outer shielding layer 7, outer shielding layer 7 is through drain wire 9 ground connection, make it isolated external interference voltage to cable conductor 1's induction with outer shielding layer 7 ground connection, the interference immunity and the shielding performance of cable conductor 1 have been strengthened, the outside parcel of inner liner 8 has waterproof layer 10, the outside of waterproof layer 10 is equipped with wearing layer 11.

The wear-resistant rings 12 are arranged on the outer side wall of the wear-resistant layer 11 at equal intervals along the length direction of the wear-resistant layer, the contact area between the wear-resistant layer 11 and the ground can be reduced through the wear-resistant rings 12 on the outer side of the wear-resistant layer 11, so that the wear of the wear-resistant layer 11 is slowed down, the impact resistance of the wear-resistant layer 11 can be increased through the wear-resistant rings 12, and the impact force of a heavy object to the cable conductor 1 can be offset.

The inside of insulating layer 6 is fixed be equipped with the protruding 601 that spacing groove 501 corresponds, protruding 601 runs through flame retardant coating 5 and the inner wall fixed connection of spacing groove 501, through the spacing groove 501 in the flame retardant coating 5 outside and the inboard protruding 601 looks joint of insulating layer 6 to can strengthen the anti effect of displacement of protector in the cable conductor 1 outside.

During the use, through wear ring 12 in the wearing layer 11 outside, can reduce the area of contact of wearing layer 11 with ground, thereby slow down the wearing layer 11 wearing and tearing, and wear ring 12 can increase the shock resistance of wearing layer 11, thereby can offset the impact force of heavy object to cable conductor 1, limit groove 501 in the fire-retardant layer 5 outside and the inboard protruding 601 looks joint of insulating layer 6, thereby can strengthen the effect of the anti displacement of protector in cable conductor 1 outside, and further protect cable conductor 1 through interior inoxidizing coating 3, prevent cable conductor 1 damage, realize the electromagnetic interference between the cable conductor 1 through interior shielding layer 2, the signal distortion condition has been reduced, and outer shielding layer 7 is grounded through drain wire 9, make the isolated external response interference voltage to cable conductor 1 of outer shielding layer 7 ground, the interference resistance and the shielding performance of cable conductor 1 have been strengthened.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. A high strength insulated shielded cable comprising a cable conductor (1), characterized in that: the cable conductor (1) outside is equipped with interior shielding layer (2), interior shielding layer (2) outside is equipped with interior inoxidizing coating (3), the outside parcel of interior inoxidizing coating (3) has filling layer (4), the outside of filling layer (4) is equipped with fire-retardant layer (5), and the inner wall of fire-retardant layer (5) is laminated with the outside of filling layer (4), the lateral wall of fire-retardant layer (5) evenly is equipped with a plurality of groups spacing groove (501) along the axis outside, the surface of fire-retardant layer (5) is equipped with insulating layer (6), the outside fixedly connected with outer shielding layer (7) of insulating layer (6), the outside of outer shielding layer (7) is equipped with inner liner (8).

2. A high strength insulated shielded electrical cable according to claim 1, wherein: the inner side of the insulating layer (6) is fixedly provided with a bulge (601) corresponding to the limit groove (501), and the bulge (601) penetrates through the flame-retardant layer (5) and is fixedly connected with the inner wall of the limit groove (501).

3. A high strength insulated shielded electrical cable according to claim 1, wherein: a drain wire (9) is arranged between the outer shielding layer (7) and the inner lining layer (8), a waterproof layer (10) is wrapped on the outer side of the inner lining layer (8), and a wear-resistant layer (11) is arranged on the outer side of the waterproof layer (10).

4. A high strength insulated shielded electrical cable according to claim 3, wherein: the drain wires (9) are provided with six groups, the drain wires (9) are arranged in a central symmetry mode, and the drain wires (9) are tightly attached to the outer shielding layer (7).

5. A high strength insulated shielded electrical cable according to claim 3, wherein: the outer side wall of the wear-resistant layer (11) is provided with a plurality of wear-resistant rings (12) at equal intervals along the length direction of the wear-resistant layer.