CN216083204U

CN216083204U - Central beam tube type non-metal non-armoured optical cable

Info

Publication number: CN216083204U
Application number: CN202122362428.9U
Authority: CN
Inventors: 杜长军; 李新华
Original assignee: Dongguan Tw Scie Co ltd
Current assignee: Dongguan Tw Scie Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-03-18
Anticipated expiration: 2031-09-28

Abstract

The utility model discloses a central beam tube type nonmetal unarmored optical cable, which comprises a sleeve, a first water-blocking tape, a buffer layer, a second water-blocking tape, an outer sheath, two nonmetal reinforcing pieces and a plurality of optical fibers, wherein the sleeve is provided with a first water-blocking tape and a second water-blocking tape; the sleeve is filled with fiber paste; the first water-blocking tape is coated outside the sleeve; the buffer layer is coated outside the first water-blocking tape; the second water-blocking tape is coated outside the buffer layer; the outer sheath is coated outside the second water-blocking tape. Set up first water-blocking tape and second water-blocking tape through the cooperation to realize dual blocking water, effectively promote the waterproof performance of product, set up the buffer layer simultaneously, can play fine cushioning effect to external impact, protect optic fibre better, thereby improve signal transmission quality, and the life of extension product, and this product adopts nonmetal reinforcement, does not contain metal reinforcement and armor, light in weight, and intensity is high, laying of the optical cable of being convenient for.

Description

Central beam tube type non-metal non-armoured optical cable

Technical Field

The utility model relates to the technical field of optical cables, in particular to a central beam tube type nonmetal unarmored optical cable.

Background

Optical fiber cables (optical fiber cables) are manufactured to meet optical, mechanical, or environmental performance specifications and are telecommunication cable assemblies that utilize one or more optical fibers disposed in a surrounding jacket as the transmission medium and that may be used individually or in groups. The optical cable is mainly composed of optical fibers (thin glass filaments like hair), a plastic protective sleeve and a plastic sheath, and metals such as gold, silver, copper and aluminum are not contained in the optical cable, so that the optical cable generally has no recycling value. The optical cable is a communication line which is formed by a certain number of optical fibers into a cable core in a certain mode, is externally coated with a sheath, and is also coated with an outer protective layer for realizing optical signal transmission.

The central tube type optical cable is one of the main structural forms of the existing optical cable, and generally comprises a central tube, an armor layer, a reinforcing element, a filler and a sheath. However, the armor layer and the reinforcing element are both made of metal materials, the weight is heavy, the waterproof performance is poor, the signal transmission quality is affected, and the service life is short. Therefore, there is a need to develop a solution to the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to the defects in the prior art, and the main object of the present invention is to provide a central beam tube type non-metal unarmored optical cable, which can effectively solve the problems of heavy weight and poor waterproof performance of the existing central beam tube type optical cable.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a central beam tube type nonmetal unarmored optical cable comprises a sleeve, a first water-blocking tape, a buffer layer, a second water-blocking tape, an outer sheath, two nonmetal reinforcing pieces and a plurality of optical fibers; the sleeve is filled with fiber paste; the first water-blocking tape is coated outside the sleeve; the buffer layer is coated outside the first water-blocking tape; the second water-blocking tape is coated outside the buffer layer; the outer sheath is coated outside the second water-blocking tape; the two nonmetal reinforcing pieces are embedded, molded and fixed in the outer sheath, and are radially and symmetrically arranged relative to the sleeve and are parallel to the axial extension of the sleeve; the optical fibers are arranged in the sleeve and embedded in the fiber paste.

As a preferable scheme, the first water-blocking tape and the second water-blocking tape are both semiconductor water-blocking tapes

Preferably, the buffer layer is made of a foam material.

As a preferable scheme, the outer sheath is made of PE.

Preferably, the non-metal reinforcement is made of FRP material.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, and specifically, the technical scheme includes that:

set up first water-blocking tape and second water-blocking tape through the cooperation to realize dual blocking water, effectively promote the waterproof performance of product, set up the buffer layer simultaneously, can play fine cushioning effect to external impact, protect optic fibre better, thereby improve signal transmission quality, and the life of extension product, and this product adopts nonmetal reinforcement, does not contain metal reinforcement and armor, light in weight, and intensity is high, laying of the optical cable of being convenient for.

To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a cross-sectional view of a preferred embodiment of the present invention.

The attached drawings indicate the following:

10. sleeve 20, first water-blocking tape

30. Buffer layer 40 and second water-blocking tape

50. Outer sheath 60, non-metallic reinforcement

70. Optical fiber 80, fiber paste.

Detailed Description

Referring to fig. 1, there is shown a specific structure of a preferred embodiment of the present invention, which includes a sleeve 10, a first water-blocking tape 20, a buffer layer 30, a second water-blocking tape 40, an outer sheath 50, two non-metal reinforcements 60, and a plurality of optical fibers 70.

The sleeve 10 is filled with fiber paste 80; the first water-blocking tape 20 is coated outside the casing 10; the buffer layer 30 is coated outside the first water blocking tape 20; the second water-blocking tape 40 is coated outside the buffer layer 30; in this embodiment, the sleeve 10 is a corrugated pipe, and the first water-blocking tape 20 and the second water-blocking tape 40 are both semiconductor water-blocking tapes, and have good waterproof performance; the buffer layer 30 is made of a foam material, and has a good buffer effect, so as to better protect the optical fiber 70.

The outer sheath 50 is coated outside the second water blocking tape 40; the two non-metal reinforcing pieces 60 are embedded, molded and fixed in the outer sheath 50, the two non-metal reinforcing pieces 60 are radially and symmetrically arranged relative to the sleeve 10 and are parallel to the axial extension of the sleeve 10, and enough tensile strength is ensured; the plurality of optical fibers 70 are disposed in the ferrule 10 and embedded in the fiber paste 80. In this embodiment, the outer sheath 50 is made of PE, and has a good rigidity to ultraviolet radiation performance, the outer diameter of the outer sheath 50 is 8-11mm, the non-metal reinforcement 60 is made of FRP, and has the characteristics of light weight and high strength, and the number of the optical fibers 70 is 2-24.

The product can be used for outdoor overhead, long-distance communication and interoffice communication, and has wide application range.

The design of the utility model is characterized in that: set up first water-blocking tape and second water-blocking tape through the cooperation to realize dual blocking water, effectively promote the waterproof performance of product, set up the buffer layer simultaneously, can play fine cushioning effect to external impact, protect optic fibre better, thereby improve signal transmission quality, and the life of extension product, and this product adopts nonmetal reinforcement, does not contain metal reinforcement and armor, light in weight, and intensity is high, laying of the optical cable of being convenient for.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims

1. The utility model provides a non-metal non-armoured optical cable of central beam tube formula which characterized in that: the optical fiber cable comprises a sleeve, a first water-blocking tape, a buffer layer, a second water-blocking tape, an outer sheath, two nonmetal reinforcing pieces and a plurality of optical fibers; the sleeve is filled with fiber paste; the first water-blocking tape is coated outside the sleeve; the buffer layer is coated outside the first water-blocking tape; the second water-blocking tape is coated outside the buffer layer; the outer sheath is coated outside the second water-blocking tape; the two nonmetal reinforcing pieces are embedded, molded and fixed in the outer sheath, and are radially and symmetrically arranged relative to the sleeve and are parallel to the axial extension of the sleeve; the optical fibers are arranged in the sleeve and embedded in the fiber paste.

2. The central bundle tube type non-metallic unarmored fiber optic cable of claim 1, wherein: the first water-blocking tape and the second water-blocking tape are both semiconductor water-blocking tapes.

3. The central bundle tube type non-metallic unarmored fiber optic cable of claim 1, wherein: the buffer layer is made of foaming materials.

4. The central bundle tube type non-metallic unarmored fiber optic cable of claim 1, wherein: the outer sheath is made of PE.

5. The central bundle tube type non-metallic unarmored fiber optic cable of claim 1, wherein: the non-metal reinforcement is made of FRP materials.