CN218122315U

CN218122315U - Reinforced core for optical cable

Info

Publication number: CN218122315U
Application number: CN202222616630.4U
Authority: CN
Inventors: 刘新
Original assignee: Jiangsu Hongbo New Materials Co ltd
Current assignee: Jiangsu Hongbo New Materials Co ltd
Priority date: 2022-10-02
Filing date: 2022-10-02
Publication date: 2022-12-23
Anticipated expiration: 2032-10-02

Abstract

The utility model discloses a belong to optical cable technical field, specifically be a strengthen core for optical cable, including the inner core, still include: the beryllium copper wire is used for increasing the bending property of the inner core and is wound on the outer side of the inner core; a waterproof component for increasing the waterproof nature of inner core, waterproof component sets up the outside at the inner core, waterproof component includes the waterproofing belt, the utility model discloses beneficial effect is: the supporting strength of the reinforced core of the optical cable is enhanced by winding the double-strand branch inner core, and meanwhile, the beryllium copper wire with excellent elasticity is wound outside the reinforced core of the optical cable, so that the bending property and the flexibility of the reinforced core are improved, and the optical cable and the reinforced core of the optical cable are resistant to bending; through the water-blocking tape outside the reinforced core of the optical cable, the high water-absorption fiber layer and the water-absorption fiber rope are arranged outside the water-blocking tape, so that the water outside the reinforced core is absorbed, the periphery of the reinforced core is kept dry, and the reinforced core is prevented from rusting due to contact with the water.

Description

Reinforced core for optical cable

Technical Field

The utility model relates to an optical cable technical field specifically is a strengthen core for optical cable.

Background

The optical cable is a communication cable component which uses one or more optical fibers arranged in a coating sheath as transmission media and can be used independently or in groups, the basic structure of the optical cable generally comprises a cable core, a reinforcing steel wire, fillers, a sheath and the like, and components such as a waterproof layer, a buffer layer, an insulated metal wire and the like are arranged according to needs, the strength of the optical cable can be enhanced by the reinforcing core of the optical cable, the internal optical fibers are protected from being influenced by external force, and the optical fibers in the optical cable are protected to the great extent.

For the intensity that increases the optical cable, the inside enhancement core that is equipped with of optical cable, at present, the universal steel wire that adopts is as the enhancement core of optical cable, but the bending property and the pliability that single steel wire possessed are not good, and when the angle was too big was buckled to the optical cable, the easy fracture of enhancement core, and because the corrosion resisting property of steel wire is relatively poor, will rust after the steel wire contacted water, influence the performance of optical cable.

Therefore, there is a need for a strength member for use in fiber optic cables.

SUMMERY OF THE UTILITY MODEL

The present invention has been made in view of the above and/or other problems occurring in the prior art strength member for optical cable.

Therefore, the utility model aims at providing a reinforced core for optical cable, which is formed by winding a bifilar branch inner core on the reinforced core of the optical cable, so that the supporting strength of the reinforced core of the optical cable is enhanced, and simultaneously, beryllium copper wire with excellent elasticity is wound outside the reinforced core of the optical cable, so that the reinforced core not only increases the bending property and the flexibility, so that the optical cable and the reinforced core of the optical cable are resistant to bending, but also plays a role in protecting the reinforced core; through the reinforced core outside water-blocking tape to the optical cable, the outside of water-blocking tape sets up super absorbent polymer fibre layer and absorbent fiber rope, absorb the moisture in the reinforced core outside, make the reinforced core keep dry on every side, thereby avoid reinforcing core contact moisture to rust, can solve the above-mentioned current reinforced core that adopts the steel wire as the optical cable that proposes, but the bending property and the pliability that single steel wire possessed are not good, when the optical cable angle of buckling is too big, it splits easily to strengthen the core, and because the corrosion resisting property of steel wire is relatively poor, will rust after the steel wire contacts water, influence the problem of the performance of optical cable.

In order to solve the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

a strength member for a fiber optic cable, comprising: an inner core, further comprising:

the beryllium copper wire is used for increasing the bending property of the inner core and is wound on the outer side of the inner core;

a water resistant assembly for increasing the water resistance of the inner core, the water resistant assembly being disposed outside the inner core.

As a preferred embodiment of the present invention, the reinforced core for optical cable comprises: the waterproof assembly comprises a water-blocking tape, and the water-blocking tape is wound on the outer side of the beryllium copper wire.

As a preferred embodiment of the present invention, the reinforced core for optical cable comprises: and a high-water-absorption fiber layer is wound on the outer side of the water-blocking tape.

As a preferred embodiment of the present invention, the reinforced core for optical cable comprises: and a water-absorbing fiber rope is arranged between the water-blocking tape and the high water-absorbing fiber layer.

As a preferred embodiment of the utility model discloses a be used for reinforcer of optical cable, wherein: the inner core comprises a first branch inner core and a second branch inner core, and the inner core is formed by mutually winding the first branch inner core and the second branch inner core.

Compared with the prior art:

the supporting strength of the reinforcing core of the optical cable is enhanced by winding the double-strand branch inner core, and meanwhile, the beryllium copper wire with excellent elasticity is wound outside the reinforcing core of the optical cable, so that the bending property and flexibility of the reinforcing core are increased, the reinforcing core of the optical cable and the reinforcing core of the optical cable are resistant to bending, and the reinforcing core is protected;

through the water-blocking tape outside the reinforced core of the optical cable, the high water-absorption fiber layer and the water-absorption fiber rope are arranged outside the water-blocking tape, so that the water outside the reinforced core is absorbed, the periphery of the reinforced core is kept dry, and the reinforced core is prevented from rusting due to contact with the water.

Drawings

FIG. 1 is a block diagram of a strength member for an optical cable according to the present invention;

fig. 2 is a cross-sectional view of an inner core of a strength member for an optical cable of the present invention;

fig. 3 is the installation schematic diagram of the water-absorbing fiber rope in the reinforced core of the optical cable of the present invention.

In the figure: the waterproof component comprises an inner core 1, beryllium copper wires 2, a water blocking tape 4, a water absorption fiber rope 3, a high water absorption fiber layer 5, a first branch inner core 11, a second branch inner core 12 and a waterproof component 100.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a reinforced core for optical cable, which is formed by winding a bifilar branch inner core on the reinforced core of the optical cable, so that the supporting strength of the reinforced core of the optical cable is enhanced, and simultaneously, beryllium copper wire with excellent elasticity is wound outside the reinforced core of the optical cable, so that the reinforced core not only increases the bending property and the flexibility, but also resists bending of the reinforced cores of the optical cable and the optical cable, and plays a role in protecting the reinforced core; through the water-blocking tape outside the reinforced core of the optical cable, the high water-absorption fiber layer and the water-absorption fiber rope are arranged outside the water-blocking tape, so that the water outside the reinforced core is absorbed, the periphery of the reinforced core is kept dry, and the advantage that the reinforced core is prevented from rusting by contacting with the water is provided, please refer to fig. 1-3, which comprises an inner core 1;

further comprising: the beryllium copper wire 2 is used for increasing the bending property of the inner core 1, and the beryllium copper wire 2 is wound on the outer side of the inner core 1; the effect for increasing 1 bendability of inner core and pliability makes the reinforcement core can buckle and can not damage by the bigger angle, and inner core 1 is the reinforcement core of optical cable for increase the waterproof subassembly 100 of the waterproof nature of inner core 1, waterproof subassembly 100 sets up in the outside of inner core 1, carries on waterproofly and dampproofingly to inner core 1.

The waterproof assembly 100 comprises a water blocking tape 4, the water blocking tape 4 is wound on the outer side of a beryllium copper wire 2, the water blocking tape 4 belongs to one kind of dry water swelling material and has a good water blocking effect, a high water absorption fiber layer 5 is wound on the outer side of the water blocking tape 4, the high water absorption fiber layer 5 is used for absorbing water of moisture and humidity around an inner core 1 and increasing dryness of the inner core 1, a water absorption fiber rope 3 is arranged between the water blocking tape 4 and the high water absorption fiber layer 5, the water absorption fiber rope 3 is used for absorbing water of the moisture and the humidity around the inner core 1 and increasing dryness of the inner core 1, the inner core 1 comprises a first branch inner core 11 and a second branch inner core 12, the inner core 1 is formed by winding the first branch inner core 11 and the second branch inner core 12 mutually, after the first branch inner core 11 and the second branch inner core 12 are wound, the strength of the inner core 1 is increased, the reinforcing core of the optical cable is formed by winding the double-strand branch inner core, the supporting strength of the reinforcing core of the optical cable is enhanced, and meanwhile, beryllium copper wires with excellent elasticity are wound outside the reinforcing core of the optical cable, so that the bending property and flexibility of the reinforcing core are increased, the reinforcing cores of the optical cable and the optical cable are enabled to be resistant to bending, and the reinforcing core is protected; the water outside the reinforced core of the optical cable is absorbed through the water-blocking tape outside the reinforced core of the optical cable and the high-water-absorptivity fiber layer and the water-absorbing fiber rope are arranged outside the water-blocking tape, so that the periphery of the reinforced core is kept dry, and the reinforced core is prevented from rusting due to contact with water.

When the beryllium copper wire waterproof structure is used specifically, the beryllium copper wire 2 is wound on the outer side of the inner core 1, the waterproof tape 4 is wound on the outer side of the beryllium copper wire 2, the high-water-absorptivity fiber layer 5 is wound on the outer side of the waterproof tape 4, the water-absorbing fiber rope 3 is installed between the waterproof tape 4 and the high-water-absorptivity fiber layer 5, the inner core 1 comprises a first branch inner core 11 and a second branch inner core 12, the inner core 1 is formed by winding the first branch inner core 11 and the second branch inner core 12 mutually, after the first branch inner core 11 and the second branch inner core 12 are tightly wound mutually, the beryllium copper wire 2 is wound on the outer side of the beryllium copper wire 2, the water-absorbing fiber rope 3 is wound on the outer side of the waterproof tape 4, the high-water-absorptivity fiber layer 5 is wound on the outer side of the water-absorbing fiber rope 3, the reinforcing core of the optical cable is formed by winding the double-strand branch inner core, the supporting strength of the reinforcing core of the optical cable is enhanced, meanwhile, the beryllium copper wire with excellent elasticity is wound on the outer side of the reinforcing core, the bending flexibility and the bending resistance and the optical cable are enhanced, so that the optical cable and the optical cable can be protected and the reinforcing core and the optical cable is reinforced; the water outside the reinforced core of the optical cable is absorbed through the water-blocking tape outside the reinforced core of the optical cable and the high-water-absorptivity fiber layer and the water-absorbing fiber rope are arranged outside the water-blocking tape, so that the periphery of the reinforced core is kept dry, and the reinforced core is prevented from rusting due to contact with water.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A strength member for optical fiber cables, comprising an inner core (1), characterized by further comprising:

the beryllium copper wire (2) is used for increasing the bending property of the inner core (1), and the beryllium copper wire (2) is wound on the outer side of the inner core (1);

a waterproofing assembly (100) for increasing the waterproofing of the inner core (1), said waterproofing assembly (100) being arranged outside the inner core (1).

2. A reinforcing core for optical cable according to claim 1, characterized in that said waterproofing component (100) comprises a water-blocking tape (4), said water-blocking tape (4) being wound outside the beryllium-copper wire (2).

3. A reinforcing core for optical cable according to claim 2, wherein said water-blocking tape (4) is wound with a high water-absorption fiber layer (5) on the outside.

4. A reinforcing core for optical cable according to claim 3, wherein a water-absorbent fiber rope (3) is installed between said water-blocking tape (4) and said high water-absorbent fiber layer (5).

5. A strength member for optical cable according to claim 1, wherein the inner core (1) comprises a first branch inner core (11) and a second branch inner core (12), and the inner core (1) is formed by winding the first branch inner core (11) and the second branch inner core (12) around each other.