CN211654415U

CN211654415U - Communication cable

Info

Publication number: CN211654415U
Application number: CN202020021401.6U
Authority: CN
Inventors: 兰立新
Original assignee: Yangzhou Yineng Electronic Network Co ltd
Current assignee: Yangzhou Yineng Electronic Network Co ltd
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-10-09
Anticipated expiration: 2030-01-06

Abstract

The utility model discloses a communication cable belongs to cable technical field. The outer lane ring of hollow buffer tube is listed as and is provided with sinle silk and cable core, the sinle silk includes the compound sinle silk of optic fibre, the compound sinle silk outside crowded package of optic fibre has insulating layer a, insulating layer a outside is equipped with weaving layer a, the cable core includes the conductor inner core, the outside crowded package of conductor inner core has insulating layer b, insulating layer b outside is equipped with weaving layer b, the outside of sinle silk and cable core is equipped with the metal shielding layer, hollow buffer tube is located the center of metal shielding layer, the inside filling layer that is equipped with of metal shielding layer, the metal shielding layer outside constitutes the armor around covering galvanized steel band, the armor outside is equipped with the flame retardant. The utility model has the cable core and the cable core, and simultaneously has the functions of the optical cable and the cable, thereby avoiding secondary wiring and reducing construction cost; sinle silk all includes the weaving layer with the cable core, and the inside nylon rope that sets up of filling layer has promoted the whole tensile property of cable greatly, extension cable life.

Description

Communication cable

Technical Field

The utility model relates to the technical field of cables, specifically speaking especially relates to a communication cable.

Background

With the rapid development of the communication industry in China, the communication cable in China is also rapidly developed, and the international competitiveness is gradually improved. Communication cables are widely used in the transmission of telephone, facsimile documents, data, television and radio programs, and play an irreplaceable role in social development. But current communication cable function is comparatively single, often needs to lay wire to the cable of different functions many times, and the operating expenses is great, and in the work progress, the inevitable meeting of cable is pulled repeatedly, and current communication cable tensile strength is poor, and the atress is yielding or even breaks, uses inconveniently.

Disclosure of Invention

In order to solve the problem, the utility model discloses a communication cable, communication capacity is big, and tensile strength is strong, long service life.

The utility model discloses a realize through following technical scheme:

the utility model provides a communication cable, includes hollow buffer tube, the outer lane ring of hollow buffer tube is listed as and is provided with sinle silk and cable core, the sinle silk includes the compound sinle silk of optic fibre, the compound sinle silk outside crowded package of optic fibre has insulating layer a, insulating layer a outside is equipped with weaving layer an, the cable core includes the conductor inner core, the outside crowded package of conductor inner core has insulating layer b, insulating layer b outside is equipped with weaving layer b, the outside of sinle silk and cable core is equipped with the metallic shield layer, hollow buffer tube is located the center of metallic shield layer, the inside filling layer that is equipped with of metallic shield layer, the metallic shield layer outside constitutes the armor around the package zinc-plated steel band, the armor outside is equipped with the flame retardant coating, the outside crowded package of.

And a plurality of nylon ropes are also arranged in the filling layer in a penetrating manner.

The hollow buffer tube adopts a carbon corrugated tube.

The insulating layer a and the insulating layer b are both made of ceramic silicon rubber.

The woven layer a and the woven layer b are aramid fiber woven layers.

The fire-proof layer is made of low-smoke halogen-free polyethylene.

The outer sheath is made of thermosetting halogen-free low-smoke flame-retardant polyolefin sheath material.

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

the utility model has the cable core and the cable core, and simultaneously has the functions of the optical cable and the cable, thereby avoiding secondary wiring and reducing construction cost; the cable core and the cable core both comprise braided layers, and the nylon ropes are arranged in the filling layers, so that the overall tensile property of the cable is greatly improved, the cable is not easy to deform or break under stress, and the service life of the cable is prolonged; the hollow buffer tube is arranged in the center of the filling layer, so that the damage of external acting force to the cable is effectively reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a hollow buffer tube; 2. a wire core; 2-1, optical fiber composite wire core; 2-2, an insulating layer a; 2-3, weaving layer a; 3. a cable core; 3-1, a conductor inner core; 3-2, an insulating layer b; 3-3, weaving layer b; 4. A filling layer; 5. a nylon cord; 6. a metal shielding layer; 7. an armor layer; 8. a fire barrier layer; 9. an outer sheath.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

a communication cable comprises a hollow buffer tube 1, wherein a wire core 2 and a cable core 3 are arranged on an outer ring of the hollow buffer tube 1 in a ring manner, the wire core 2 comprises an optical fiber composite wire core 2-1, an insulating layer a2-2 is extruded outside the optical fiber composite wire core 2-1, a braided layer a2-3 is arranged outside the insulating layer a2-2, the cable core 3 comprises a conductor inner core 3-1, an insulating layer b3-2 is extruded outside the conductor inner core 3-1, a braided layer b3-3 is arranged outside the insulating layer b3-2, a metal shielding layer 6 is arranged outside the wire core 2 and the cable core 3, the hollow buffer tube 1 is positioned in the center of the metal shielding layer 6, a filling layer 4 is arranged inside the metal shielding layer 6, and a galvanized steel strip is wrapped outside the metal shielding layer 6 to form an armor layer 7, the exterior of the armor layer 7 is provided with a fireproof layer 8, and the exterior of the fireproof layer 8 is extruded with an outer sheath 9.

A plurality of nylon ropes 5 are arranged in the filling layer 4 in a penetrating manner.

The hollow buffer tube 1 adopts a carbon corrugated tube.

The insulating layer a2-2 and the insulating layer b3-2 are both made of ceramic silicon rubber.

The woven layer a2-3 and the woven layer b3-3 are aramid fiber woven layers.

The fire-proof layer 8 is made of low-smoke halogen-free polyethylene.

The outer sheath 9 is made of a thermosetting halogen-free low-smoke flame-retardant polyolefin sheath material.

As shown in the attached figure 1 of the specification, the communication cable comprises a hollow buffer tube 1, a wire core 2 and a cable core 3 are arranged in an outer ring of the hollow buffer tube 1 in a ring array, the wire core 2 comprises an optical fiber composite wire core 2-1, an insulating layer a2-2 is extruded outside the optical fiber composite wire core 2-1, a braided layer a2-3 is arranged outside the insulating layer a2-2, the cable core 3 comprises a conductor inner core 3-1, an insulating layer b3-2 is extruded outside the conductor inner core 3-1, a braided layer b3-3 is arranged outside the insulating layer b3-2, a metal shielding layer 6 is arranged outside the wire core 2 and the cable core 3, the hollow buffer tube 1 is positioned in the center of the metal shielding layer 6, a filling layer 4 is arranged inside the metal shielding layer 6, an armor layer 7 is formed by wrapping galvanized steel strips outside the metal shielding layer 6, a fireproof, the outer part of the fireproof layer 8 is extruded with an outer sheath 9. The filling layer 4 is internally provided with a plurality of nylon ropes 5 in a penetrating manner, the hollow buffer tube 1 is made of a carbon corrugated tube, the insulating layer a2-2 and the insulating layer b3-2 are made of ceramic silicon rubber, the woven layer a2-3 and the woven layer b3-3 are made of aramid fiber woven layers, the metal shielding layer 6 is made of aluminum foil, the fireproof layer 8 is made of low-smoke halogen-free polyethylene, and the outer sheath 9 is made of thermosetting halogen-free low-smoke flame-retardant polyolefin sheath materials.

The nylon rope 5, the woven layer a2-3 and the woven layer b3-3 all increase the overall tensile strength of the cable.

In summary, the present invention is only a preferred embodiment, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications in the shape, structure, characteristics and spirit of the claims of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A communications cable, characterized by: the cable comprises a hollow buffer tube (1), wherein a wire core (2) and a cable core (3) are arranged in an outer ring of the hollow buffer tube (1), the wire core (2) comprises an optical fiber composite wire core (2-1), an insulating layer a (2-2) is wrapped outside the optical fiber composite wire core (2-1), a braided layer a (2-3) is arranged outside the insulating layer a (2-2), the cable core (3) comprises a conductor inner core (3-1), an insulating layer b (3-2) is wrapped outside the conductor inner core (3-1), a braided layer b (3-3) is arranged outside the insulating layer b (3-2), a metal shielding layer (6) is arranged outside the wire core (2) and the cable core (3), and the hollow buffer tube (1) is positioned in the center of the metal shielding layer (6), the metal shielding layer (6) is internally provided with a filling layer (4), the metal shielding layer (6) is externally wrapped with a galvanized steel strip to form an armor layer (7), the armor layer (7) is externally provided with a fireproof layer (8), and the fireproof layer (8) is externally extruded and wrapped with an outer sheath (9).

2. A communications cable according to claim 1, wherein: and a plurality of nylon ropes (5) are also arranged in the filling layer (4) in a penetrating manner.

3. A communications cable according to claim 1, wherein: the hollow buffer tube (1) adopts a carbon corrugated tube.

4. A communications cable according to claim 1, wherein: the insulating layer a (2-2) and the insulating layer b (3-2) are both made of ceramic silicon rubber.

5. A communications cable according to claim 1, wherein: the woven layer a (2-3) and the woven layer b (3-3) adopt aramid fiber woven layers.

6. A communications cable according to claim 1, wherein: the fireproof layer (8) is made of low-smoke halogen-free polyethylene.

7. A communications cable according to claim 1, wherein: the outer sheath (9) is made of a thermosetting halogen-free low-smoke flame-retardant polyolefin sheath material.