CN215953933U

CN215953933U - Novel wear-resisting optical fiber jumper wire

Info

Publication number: CN215953933U
Application number: CN202122707233.3U
Authority: CN
Inventors: 吴明军
Original assignee: Shenzhen Tongxinguang Communication Technology Co ltd
Current assignee: Shenzhen Tongxinguang Communication Technology Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-03-04
Anticipated expiration: 2031-11-04

Abstract

The utility model relates to the technical field of optical fibers, and particularly discloses a novel wear-resistant optical fiber jumper wire which comprises an optical cable, wherein optical fiber connectors are arranged at two ends of the optical cable, the optical cable comprises a tightly-packed optical fiber, a first reinforcing layer, a second reinforcing layer and a metal protective layer, the first reinforcing layer is coated on the periphery of the tightly-packed optical fiber, a plurality of fiber ropes are spirally wound on the periphery of the first reinforcing layer, the second reinforcing layer is coated on the periphery of the plurality of fiber ropes, the metal protective layer is coated on the periphery of the second reinforcing layer, and a metal belt is spirally coated on the periphery of the second reinforcing layer to form the metal protective layer.

Description

Novel wear-resisting optical fiber jumper wire

Technical Field

The utility model relates to the technical field of optical fibers, in particular to a novel wear-resistant optical fiber jumper wire.

Background

The traditional tight-packed optical fiber is formed by extruding a tight-packed protective layer as a buffer layer on a bare optical fiber by an extrusion molding method, the adopted optical fiber can be a single-mode optical fiber or a multimode optical fiber, the tight-packed protective layer can be flexible polyvinyl chloride or flame-retardant polyolefin plastic or polyester plastic, and the tight-packed optical fiber is a basic unit for forming an optical fiber jumper wire, a tail fiber and various indoor optical cables.

In practical application, an aramid fiber reinforced layer is generally coated outside a tightly-packed optical fiber, and then a PVC or flame-retardant polyolefin sheath is extruded on the aramid fiber reinforced layer to form an optical cable, so that various optical fiber jumpers can be formed by combining with various optical fiber connectors, the arrangement structure of the existing aramid fiber reinforced layer is not tight enough, the abrasion resistance of the outer layer of PVC sheath is not high, when the outer layer of PVC sheath is abraded, the aramid fiber layer can be exposed outside, the aramid fiber layer exposed outside is easily scattered into a small aramid fiber filament, the tensile property of the whole optical fiber jumper is greatly influenced, the innermost layer of the tightly-packed optical fiber is also exposed outside, and the use of the optical fiber jumpers is influenced.

SUMMERY OF THE UTILITY MODEL

To solve the problems mentioned in the background art, the present invention is directed to a novel abrasion-resistant optical fiber patch cord.

In order to achieve the above object, the technical solution of the present invention is:

the utility model provides a novel wear-resisting optic fibre wire jumper, includes the optical cable, the both ends of optical cable are equipped with the fiber connector, the optical cable is including tightly wrapping optic fibre, first back up coat, second back up coat and metal protection layer, the peripheral cladding of tightly wrapping optic fibre has first back up coat, the peripheral spiral of first back up coat is twisted with the fingers and is had stranded fiber rope, at the stranded the peripheral cladding of fiber rope has the second back up coat, the peripheral cladding of second back up coat has metal protection layer, metal protection layer by the strap with the heliciform drape in the periphery of second back up coat forms.

Furthermore, the periphery of the metal protective layer is coated with a PVC protective sleeve.

Furthermore, a first adhesive layer is arranged between the outer wall of the first reinforcing layer and the plurality of fiber ropes, and a second adhesive layer is arranged between the inner wall of the second reinforcing layer and the plurality of fiber ropes.

Further, the first reinforcing layer and the second reinforcing layer are both made of polyvinyl chloride.

Further, the fiber rope is an aramid fiber rope.

The utility model has the beneficial effects that: according to the utility model, the first reinforcing layer, the spirally twisted multi-strand fiber rope, the second reinforcing layer and the metal protective layer are sequentially arranged on the periphery of the tightly packaged optical fiber, the metal protective layer can effectively improve the wear resistance, and the fiber rope is wound on the outer side of the first reinforcing layer in a spirally twisted mode, so that the structure is more compact, and the tensile property of the optical cable is effectively improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of a fiber optic cable according to the present invention.

Description of the figure numbering: 1. the optical fiber cable comprises an optical cable body 11, a tightly packaged optical fiber body 12, a first reinforcing layer 13, a second reinforcing layer 14, a metal protective layer 15, a fiber rope 16, a PVC protective sleeve 17, a first adhesive layer 18, a second adhesive layer 2 and an optical fiber connector.

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 that can be derived by one of ordinary skill in the art from the embodiments disclosed herein are intended to be within the scope of the present invention.

As shown in fig. 1-2, a novel wear-resistant optical fiber jumper wire, including optical cable 1, optical fiber connectors 2 are arranged at two ends of optical cable 1, optical cable 1 includes tightly-wrapped optical fiber 11, first strengthening layer 12, second strengthening layer 13 and metal protection layer 14, the periphery of tightly-wrapped optical fiber 11 is wrapped with first strengthening layer 12, the periphery of first strengthening layer 12 is spirally twisted with a plurality of fiber ropes 15, the periphery of fiber rope 15 twisted with a plurality of fibers is wrapped with second strengthening layer 13, the periphery of second strengthening layer 13 is wrapped with metal protection layer 14, metal protection layer 14 is formed by spirally wrapping stainless steel metal strips on the periphery of second strengthening layer 13.

In practical use, the metal protective layer 14 can play a good wear-resisting effect, protects the second reinforcing layer 13 from being worn out, the multi-strand fiber ropes 15 are clamped between the first reinforcing layer 12 and the second reinforcing layer 13, the multi-strand fiber ropes 15 are arranged closely, and good tensile property is guaranteed.

In this embodiment, the metal protective layer 14 is coated with a PVC protective sleeve 16, and the PVC protective sleeve 16 can provide good moisture resistance.

In the embodiment, a first adhesive layer 17 is arranged between the outer wall of the first reinforcing layer 12 and the plurality of fiber ropes 15, and a second adhesive layer 18 is arranged between the inner wall of the second reinforcing layer 13 and the plurality of fiber ropes 15, so that the tightness of the connection between the first reinforcing layer 12 and the second reinforcing layer 13 and the plurality of fiber ropes 15 is improved.

In this embodiment, the first reinforcing layer 12 and the second reinforcing layer 13 are both made of polyvinyl chloride.

In this embodiment, the fiber reinforced layer is formed by spirally twisting the aramid fiber rope 15, and the aramid fiber is used, so that the strength is high and the insulating property is good.

According to the utility model, the first reinforcing layer 12, the spirally twisted multi-strand fiber rope 15, the second reinforcing layer 13 and the metal protective layer 14 are sequentially arranged on the periphery of the tightly packaged optical fiber 11, the metal protective layer 14 can effectively improve the wear resistance, the fiber rope 15 is wound on the outer side of the first reinforcing layer 12 in a spirally twisted mode, the structure is more compact, and the tensile property of the optical cable 1 is effectively improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, but rather as the intention of all modifications, equivalents, improvements, and equivalents falling within the spirit and scope of the utility model.

Claims

1. The utility model provides a novel wear-resisting optic fibre wire jumper, includes optical cable (1), the both ends of optical cable (1) are equipped with fiber connector (2), its characterized in that, optical cable (1) is including tightly wrapping up optic fibre (11), first back up coat (12), second back up coat (13) and metal protection layer (14), the peripheral cladding of tightly wrapping up optic fibre (11) has first back up coat (12), the peripheral spiral of first back up coat (12) is twisted with the fingers and is had stranded fibre rope (15), at the stranded the peripheral cladding of fibre rope (15) has second back up coat (13), the peripheral cladding of second back up coat (13) has metal protection layer (14), metal protection layer (14) by the metal strap with the heliciform drape in the periphery of second back up coat (13) forms.

2. The novel abrasion-resistant optical fiber jumper wire according to claim 1, wherein the metal protective layer (14) is coated with a PVC protective sleeve (16).

3. The novel abrasion-resistant optical fiber patch cord according to claim 1, wherein a first adhesive layer (17) is arranged between the outer wall of the first reinforcing layer (12) and the plurality of strands of the fiber ropes (15), and a second adhesive layer (18) is arranged between the inner wall of the second reinforcing layer (13) and the plurality of strands of the fiber ropes (15).

4. The novel abrasion-resistant optical fiber jumper wire according to claim 1, wherein the first reinforcing layer (12) and the second reinforcing layer (13) are both polyvinyl chloride.

5. The novel abrasion-resistant optical fiber jumper wire according to claim 1, wherein the fiber rope (15) is an aramid fiber rope.