CN216412715U

CN216412715U - Data cable

Info

Publication number: CN216412715U
Application number: CN202122608114.2U
Authority: CN
Inventors: 杨耀舟
Original assignee: He'nan Tengda Special Cable Co ltd
Current assignee: He'nan Tengda Special Cable Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-04-29
Anticipated expiration: 2031-10-28

Abstract

The utility model discloses a data cable, which relates to the field of electric wires and cables and comprises two inner sheaths and an outer sheath, wherein the inner sheaths and the outer sheaths are completely filled inside the inner sheaths, the outer sheath is formed by splicing two insulating sheaths, the two insulating sheaths are of an integrated structure, the inner sheaths are arranged inside the insulating sheaths along the axial line position of the insulating sheaths, the outer side of each inner sheath is wrapped with an outer fireproof layer, the outer side of each outer fireproof layer is wrapped with an outer shielding layer, a plurality of groups of twisted pairs for signal transmission are arranged in the inner sheaths in an annular array along the axial line, the outer side of each twisted pair is wrapped with an inner shielding layer, and the outer side of each inner shielding layer is wrapped with an inner fireproof layer. The outer side of the inner sheath is provided with the outer fireproof layer, the outer side of the wire core is provided with the inner fireproof layer, double-layer fireproof is carried out on the wire core of the data cable, the fireproof performance of the data cable is improved, and the fireproof time length of the cable and the time length of timely data transmission are prolonged when a fire disaster happens.

Description

Data cable

Technical Field

The utility model relates to the field of wires and cables, in particular to a data cable.

Background

Data cables are mainly divided into two categories: one is a 100 omega cable, mainly aiming at unshielded twisted pair; the other is a 150 omega cable, mainly aiming at a shielding twisted pair, along with the high-speed development of an optical communication technology, the data cable is an ideal transmission medium of a broadband access network at present, has the advantages of low manufacturing cost, simple structure, good expandability and convenience for network upgrade, is mainly used for comprehensive wiring of buildings, comprehensive wiring of cell computers and the like, has poor internal fireproof performance in the existing data cable, is used for data transmission, and has poor fireproof performance when important data is transferred or stored in case of fire, thereby greatly reducing the time of data transmission and failing to play a good emergency role.

Therefore, it is necessary to invent a data cable to solve the above problems.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to provide a data cable that solves the problems set forth in the background above.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a data cable, includes two inside inner sheaths and an oversheath that fill completely, the oversheath is formed by two insulation cover concatenations, two insulation cover formula structure as an organic whole, the inner sheath sets up the inside at the insulation cover along the axis position of insulation cover, the outside parcel of inner sheath has outer flame retardant coating, the outside parcel of outer flame retardant coating has outer shielding layer, the axis position of inner sheath is provided with the drainage channel that runs through, be the annular array along the axis in the inner sheath and arrange a plurality of groups and be used for signal transmission's twisted pair, twisted pair outside parcel has inner shield layer, inner shield layer's outside parcel has inner flame retardant coating.

Optionally, the twisted pair includes two twisted wire cores, and an insulating layer is wrapped around the wire cores.

Optionally, a filling rope is filled in a gap between the inner side of the inner shielding layer and the twisted pair, and the filling rope is a glass fiber rope;

the packing of packing rope is abundant, has promoted the stability of twisted pair installation on the one hand, and on the other hand has promoted the tensile strength of cable.

Optionally, a tensile rope is arranged in a groove formed by intersecting the two insulating sleeves, an insulating wrap is arranged outside the tensile rope, and the insulating wrap and the outer sheath are of an integrated structure;

tensile strength of the cable is further improved due to the arrangement of the tensile ropes.

Optionally, a tensile layer is bonded to the inner side of the drainage channel, and the tensile layer is made of glass fiber cloth woven by glass fiber ropes;

tensile strength of the cable is improved on the inner side of the cable by the tensile layer.

The utility model has the technical effects and advantages that:

1. the wire cores are directly arranged in the completely filled inner sheath, so that the processing difficulty is reduced, the stability of wire core installation is improved, and the wire cores are more uniformly distributed; two sets of data lines are wrapped up together by the oversheath, have not only promoted data cable's barrier propterty, have promoted the regularity that the data line distributes again.

2. The outer side of the inner sheath is provided with the outer fireproof layer, the outer side of the wire core is provided with the inner fireproof layer, double-layer fireproof is carried out on the wire core of the data cable, the fireproof performance of the data cable is improved, and the fireproof time length of the cable and the time length of timely data transmission are prolonged when a fire disaster happens.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention.

Fig. 2 is a schematic cross-sectional structure of the inner sheath of the present invention.

FIG. 3 is a schematic view of the installation cross-sectional structure of the cable core of the present invention.

In the figure: 1. an inner sheath; 2. an outer fire barrier layer; 3. an outer shield layer; 4. an outer sheath; 5. a wire core; 6. a drainage channel; 7. a tensile layer; 8. an inner shield layer; 9. an inner fire barrier layer; 10. an insulating layer; 11. filling a rope; 12. a tensile strand; 13. and (5) insulating and wrapping.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

In the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected or detachably connected; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The utility model provides a data cable as shown in figures 1-3, which comprises two inner sheaths 1 and an outer sheath 4, wherein the inner sheaths 1 and the outer sheath 4 are completely filled inside, the outer sheath 4 is formed by splicing two insulating sheaths, the two insulating sheaths are of an integrated structure, the inner sheath 1 is arranged inside the insulating sheaths along the axial position of the insulating sheaths, the outer side of the inner sheath 1 is wrapped with an outer fireproof layer 2 to improve the fireproof performance of the inner sheath, the outer side of the outer fireproof layer 2 is wrapped with an outer shielding layer 3, the axial position of the inner sheath 1 is provided with a through drainage channel 6, the drainage channel 6 eliminates internal interference in network data transmission and enhances the stability of the data transmission, a plurality of groups of twisted pairs for signal transmission are arranged in the inner sheath 1 along the axial direction in an annular array, the outer side of the twisted pairs is wrapped with an inner shielding layer 8, the outer side of the inner shielding layer 8 is wrapped with an inner fireproof layer 9, the inner fireproof layer 9 and the outer layer 2 are matched to form double-layer fireproof, when a fire disaster happens, the fire-resistant time length of the cable and the time length of timely data transmission are prolonged.

The twisted pair comprises two wire cores 5 which are twisted with each other, and the outer sides of the wire cores 5 are wrapped with insulating layers 10.

The clearance intussuseption between 8 inboards of internal shield layer and the twisted pair line has filling rope 11, and filling rope 11 adopts the glass fiber rope, and filling of filling rope 11 is abundant, has promoted the stability of twisted pair line installation on the one hand, and on the other hand has promoted the tensile strength of cable.

Be equipped with stretch-proofing rope 12 in the recess that two insulating cover intersected and form, stretch-proofing rope 12's outside is equipped with insulating parcel 13, insulating parcel 13 and oversheath 4 formula structure as an organic whole, and stretch-proofing rope 12's setting has further promoted the tensile strength of cable.

The inner side of the drainage channel 6 is bonded with a tensile layer 7, the tensile layer 7 is made of glass fiber cloth woven by glass fiber ropes, and the tensile strength of the cable is improved on the inner side of the cable by the tensile layer 7.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. A data cable comprising two inner jackets (1) with a complete filling inside and one outer jacket (4), characterized in that: oversheath (4) are formed by two insulation support concatenations, two insulation support formula structure as an organic whole, inner sheath (1) sets up the inside at the insulation support along the axis position of insulation support, the outside parcel of inner sheath (1) has outer flame retardant coating (2), the outside parcel of outer flame retardant coating (2) has outer shielding layer (3), the axis position of inner sheath (1) is provided with drainage passageway (6) that run through, it arranges a plurality of groups that are used for signal transmission's twisted pair to be annular array along the axis in inner sheath (1), twisted pair outside parcel has inner shield layer (8), the outside parcel of inner shield layer (8) has inner flame retardant coating (9).

2. A data cable according to claim 1, wherein: the twisted pair comprises two twisted wire cores (5), and the outer sides of the wire cores (5) are wrapped with insulating layers (10).

3. A data cable according to claim 1, wherein: and a filling rope (11) is filled in a gap between the inner side of the inner shielding layer (8) and the twisted pair, and the filling rope (11) is a glass fiber rope.

4. A data cable according to claim 1, wherein: a tensile rope (12) is arranged in a groove formed by intersecting the two insulating sleeves, an insulating package (13) is arranged outside the tensile rope (12), and the insulating package (13) and the outer sheath (4) are of an integrated structure.

5. A data cable according to claim 1, wherein: and a tensile layer (7) is bonded on the inner side of the drainage channel (6), and the tensile layer (7) is made of glass fiber cloth woven by glass fiber ropes.