CN218548000U

CN218548000U - Anti-cracking polyethylene communication cable

Info

Publication number: CN218548000U
Application number: CN202223018894.6U
Authority: CN
Inventors: 林东; 林武辉
Original assignee: Shenzhen Harmony Zhujiang Wire And Cable Co ltd
Current assignee: Shenzhen Harmony Zhujiang Wire And Cable Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-02-28
Anticipated expiration: 2032-11-14

Abstract

The utility model discloses an anti fracture polyethylene communication cable, muscle, conduction wire core, inner core in oversheath, armor, polyethylene filling layer, polypropylene, the inside armor that is provided with of oversheath, the polyethylene filling layer sets up inside the armor, four muscle equidistance distributes inside the polyethylene filling layer in the polypropylene, two conduction wire core equidistance sets up in the inner core outside, the inner core sets up in polyethylene filling layer center department, the utility model discloses on current communication cable's structural basis, to the shortcoming of easy fracture, carried out the structural redesign, through multi-level enhancement protection, improved the toughness and the tightness of polyethylene communication cable, effectively reduced the risk of fracture, improved the life of cable.

Description

Anti-cracking polyethylene communication cable

Technical Field

The utility model relates to an anti fracture polyethylene communication cable.

Background

A cable is a cable that transmits telephone, telegraph, facsimile documents, television and radio programs, data and other electrical signals. A communication line has a cable core formed of a plurality of wires or conductors insulated from each other and a sealing sheath provided outside the cable core. And an outer protective layer is also arranged outside the sheath.

The existing polyethylene communication cable is easy to crack when being used for a long time, particularly in an outdoor environment, so that a cable signal is broken down, and the normal use of the cable is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti fracture polyethylene communication cable to solve above-mentioned technical problem.

In order to realize the purpose, the utility model adopts the following technical proposal:

the utility model provides an anti fracture polyethylene communication cable, muscle, transmission line core, inner core in oversheath, armor, polyethylene filling layer, the polypropylene, the inside armor that is provided with of oversheath, the polyethylene filling layer sets up inside the armor, four the muscle equidistance distributes inside the polyethylene filling layer in the polypropylene, two transmission line core equidistance sets up in the inner core outside, the inner core sets up in polyethylene filling layer center department.

On the basis of the technical scheme, the conducting wire core comprises a wrapping layer, a composite rubber layer, a flame-retardant layer and conducting wire cores, wherein the composite rubber layer is arranged inside the wrapping layer, the flame-retardant layer is arranged inside the composite rubber layer, and the two conducting wire cores are arranged inside the flame-retardant layer at equal intervals.

On the basis of the technical scheme, the inner core comprises an insulating layer, a steel wire surrounding layer, a shielding layer and a central lead, wherein the steel wire surrounding layer is arranged in the insulating layer, the shielding layer is arranged in the steel wire surrounding layer, and the central lead is arranged at the center of the shielding layer.

Compared with the prior art, the utility model has the advantages of it is following: the utility model discloses on current communication cable's structure basis, to the shortcoming of easy fracture, carried out the redesign of structure, through multi-level enhancement protection, improved polyethylene communication cable's toughness and tightness, effectively reduced the risk of fracture, improved the life of cable.

Drawings

Fig. 1 is a schematic view of the appearance structure of the present invention.

Fig. 2 is a schematic view of the structure of the conductive wire core of the present invention.

Fig. 3 is a schematic view of the inner core structure of the present invention.

In the figure: 1. the cable comprises an outer sheath, 2 parts of an armor layer, 3 parts of a polyethylene filling layer, 4 parts of a polypropylene inner rib, 5 parts of a conductive wire core, 6 parts of an inner core, 7 parts of a wrapping layer, 8 parts of a composite rubber layer, 9 parts of a flame retardant layer, 10 parts of a conductive wire core, 11 parts of an insulating layer, 12 parts of a steel wire surrounding layer, 13 parts of a shielding layer and 14 parts of a central wire.

Detailed Description

The invention is explained in further detail below with reference to the figures and the embodiments.

As shown in fig. 1-3, a cracking-resistant polyethylene communication cable comprises an outer sheath 1, an armor layer 2, a polyethylene filling layer 3, polypropylene inner ribs 4, conducting wire cores 5 and an inner core 6, wherein the armor layer 2 is arranged inside the outer sheath 1, the polyethylene filling layer 3 is arranged inside the armor layer 2, the four polypropylene inner ribs 4 are equidistantly distributed inside the polyethylene filling layer 3, the two conducting wire cores 5 are equidistantly arranged outside the inner core 6, and the inner core 6 is arranged at the center of the polyethylene filling layer 3.

The conductive wire core 5 comprises a wrapping layer 7, a composite rubber layer 8, a flame-retardant layer 9 and conductive wire cores 10, wherein the composite rubber layer 8 is arranged inside the wrapping layer 7, the flame-retardant layer 9 is arranged inside the composite rubber layer 8, and the conductive wire cores 10 are arranged inside the flame-retardant layer 9 at equal intervals.

The inner core 6 comprises an insulating layer 11, a steel wire surrounding layer 12, a shielding layer 13 and a central lead 14, wherein the steel wire surrounding layer 12 is arranged inside the insulating layer 11, the shielding layer 13 is arranged inside the steel wire surrounding layer 12, and the central lead 14 is arranged at the center of the shielding layer 13.

The utility model discloses a theory of operation: this is novel to having carried out reconstruction to polyethylene communication cable inner structure, has increased the interior muscle of the higher polypropylene of toughness, has set up compound rubber layer and steel wire surrounding layer in the conductive wire core and the inner core outside simultaneously, has further improved communication cable's pliable and tough degree and tightness, reduces cable fracture's risk in the at utmost.

The foregoing is a preferred embodiment of the present invention, and for those skilled in the art to understand the teaching of the present invention, the changes, modifications, replacements and variations to the embodiments will still fall within the protection scope of the present invention without departing from the principle and spirit of the present invention.

Claims

1. The utility model provides an anti fracture polyethylene communication cable, includes muscle (4), conducting wire core (5), inner core (6) in oversheath (1), armor (2), polyethylene filling layer (3), the polypropylene, its characterized in that: the utility model discloses a polypropylene composite cable, including oversheath (1), polyethylene filling layer (3) set up inside armor (2), four inside muscle (4) equidistance distribution is inside polyethylene filling layer (3) in oversheath (1), two in the polypropylene the conductor core (5) equidistance sets up in the inner core (6) outside, inner core (6) set up in polyethylene filling layer (3) center department.

2. The crack resistant polyethylene communication cable of claim 1, wherein: the conductive wire core (5) comprises a winding layer (7), a composite rubber layer (8), a flame-retardant layer (9) and a conductive wire core (10), wherein the composite rubber layer (8) is arranged inside the winding layer (7), the flame-retardant layer (9) is arranged inside the composite rubber layer (8), and the conductive wire core (10) is arranged inside the flame-retardant layer (9) in an equal distance mode.

3. The crack resistant polyethylene communication cable of claim 1, wherein: the inner core (6) comprises an insulating layer (11), a steel wire surrounding layer (12), a shielding layer (13) and a central lead (14), wherein the steel wire surrounding layer (12) is arranged inside the insulating layer (11), the shielding layer (13) is arranged inside the steel wire surrounding layer (12), and the central lead (14) is arranged at the center of the shielding layer (13).