CN211206885U

CN211206885U - Novel high-tensile optical cable

Info

Publication number: CN211206885U
Application number: CN201922266569.3U
Authority: CN
Inventors: 金辉; 李炯; 谢中炜
Original assignee: Hangzhou Aoke Photoelectric Equipment Co ltd
Current assignee: Hangzhou Aoke Photoelectric Equipment Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-08-07
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a novel high tensile optical cable, which comprises a cable core and an outer sheath; the inner hole is formed in the outer sheath in an integrated mode, and the inner hole is internally provided with the spun rayon yarn; the utility model discloses a will spin the lun yarn and pass through the hot melt and fix among the oversheath, make it become a complete part, improved tensile strength promptly, the parcel through the oversheath has improved the flame retardant property of product simultaneously.

Description

Novel high-tensile optical cable

Technical Field

The utility model relates to an optical cable specifically indicates a novel high tensile optical cable.

Background

The traditional indoor soft optical cable is made of single or multiple cable cores, reinforced original non-metal fibers (spinned fiber, commonly known as Kraft drawn wire) and plastic sheaths (polyvinyl chloride sheaths), and the optical cable is mainly used for conducting optical paths in a machine room or in a communication box, but because the structure has the defect that the optical cable is composed of three independent parts, when an optical fiber movable connector is manufactured, the tensile property can not meet the requirement easily, and the imported aramid fiber which mainly plays a tensile role is commonly known as: in the manufacturing process of the Kraft drawn wire, the Kraft drawn wire is fixed, is composed of a plurality of strands, has small friction coefficient and is smooth, the situation that the tensile strength cannot meet the requirement of the industrial standard occurs when the connector parts for crimping the Kraft drawn wire part are not tightly crimped, and the imported aramid Kraft drawn wire is produced in America and is limited in product technology; the technical performance of the domestic spun rayon yarn can not reach the level of imported spun rayon, such as: the friction coefficient is small, so that the rubber is easy to pull off, the tensile capability is poor, the flame retardant property is not enough, and the like. Therefore, a novel high-tensile optical cable is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above problems and providing a novel high tensile optical cable.

In order to achieve the purpose, the utility model provides a novel high tensile optical cable, which comprises a cable core and an outer sheath; the inner hole is formed in the outer sheath in an integrated mode, and the inner hole is internally provided with the spun rayon yarn; the spun rayon yarn in the inner hole is integrated with the outer sheath through hot melting.

Preferably, the outer sheath is made of PVC or low-smoke halogen-free materials.

Preferably, the outer sheath and the inner side are provided with aramid fiber tensile layers.

Preferably, the aramid fiber tensile layer is internally provided with a filling layer for reinforcing the cable core.

The utility model discloses a will spin the lun yarn and pass through the hot melt and fix among the oversheath, make it become a complete part, improved tensile strength promptly, the parcel through the oversheath has improved the flame retardant property of product simultaneously.

Drawings

Fig. 1 is a schematic cross-sectional structure of the present invention.

Fig. 2 is a schematic diagram of the transverse cross-section structure of the present invention.

Illustration of the drawings: 1. a cable core; 2. an outer sheath; 21. an inner bore; 3. spinning a nylon yarn; 4. an aramid tensile layer; 5. and (5) filling the layer.

Detailed Description

The following description will further describe a novel high tensile optical cable according to the present invention with reference to the accompanying drawings.

As shown in fig. 1 to 2, the novel high tensile optical cable of the present embodiment includes a cable core 1 and an outer sheath 2; the inner hole 21 is formed in the outer sheath 2, the inner hole 21 and the outer sheath 2 are integrally formed, and the spun rayon yarn 3 is arranged in the inner hole 21; the spun rayon yarn 3 in the inner hole 21 is integrated with the outer sheath 2 through hot melting; the outer sheath 2 is made of PVC or low-smoke halogen-free materials; the outer sheath and the inner side are provided with aramid fiber tensile layers; preferably, the aramid fiber tensile layer is internally provided with a filling layer for reinforcing the cable core.

The utility model discloses an in the manufacture: firstly, the spun rayon yarn 3 passes through an optical fiber extrusion molding die, then is fixedly cooled on a traction die, the uniformity of the spun rayon yarn 3 is ensured, then an inner hole material of the outer sheath 2 is subjected to high-temperature hot extrusion molding on the spun rayon yarn 3 to form the circular outer sheath 2, the spun rayon yarn 3 exists in the outer sheath 2, then the circular outer sheath 2 is formed after cooling, the outer sheath 2 is manufactured, and then the outer sheath 2, the aramid fiber tensile layer 4, the filling layer 5 and the cable core 1 are only required to be compounded to finish the manufacture of the optical cable.

The utility model has the advantages that: the spun nylon yarn 3 and the outer sheath 2 are fused together, so that the tensile force is directly exerted on the spun nylon yarn 3 and the outer sheath 2 at the same time, the tensile resistance is increased, the production procedures are reduced, and the cost is reduced; the stretch resistance of the outer sheath 2 is improved by the spun nylon yarn 3, the outer sheath 2 blocks the contact area of the spun nylon yarn 3 and air, and the combustion of the spun nylon yarn 3 is prevented; meanwhile, the outer sheath 2 is thick, when the outer sheath is extruded by the outer sheath fixing ring, the friction coefficient is increased after the outer sheath 2 is tightly fixed, meanwhile, the tensile force acts on the spun nylon yarn 3, and under a certain acting force, the outer sheath 2 is not easy to deform and is pulled off or pulled off.

The scope of the present invention is not limited to the above embodiments and their variations. The present invention is not limited to the above embodiments, and other modifications and substitutions may be made by those skilled in the art.

Claims

1. A novel high-tensile optical cable comprises a cable core (1) and an outer sheath (2); the anti-blocking and anti-blocking device is characterized by further comprising an inner hole (21) arranged on the outer sheath, wherein the inner hole (21) and the outer sheath (2) are integrally formed, and the inner hole (21) is internally provided with a spun yarn (3); the spun rayon yarn (3) in the inner hole (21) is integrated with the outer sheath (2) through hot melting.

2. The novel high tensile optical cable according to claim 1, wherein: oversheath (2) adopt PVC or low smoke and zero halogen material.

3. The novel high tensile optical cable according to claim 2, wherein: the outer sheath (2) and the inner side are provided with aramid fiber tensile layers (4).

4. The novel high tensile optical cable according to claim 3, wherein: and a filling layer for reinforcing the cable core (1) is arranged on the inner side of the aramid fiber tensile layer (4).