CN213690036U

CN213690036U - Waterproof tail cable

Info

Publication number: CN213690036U
Application number: CN202022527699.0U
Authority: CN
Inventors: 吴德才
Original assignee: Jiangsu Guangyu Network Equipment Co ltd
Current assignee: Jiangsu Guangyu Network Equipment Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-07-13
Anticipated expiration: 2030-11-05

Abstract

The utility model belongs to the technical field of communication optical cables, and discloses a waterproof tail cable, which comprises a buffer layer, wherein the outer surface wall of the buffer layer is connected with a first armor layer, a second reinforcing wire is arranged at the middle position inside the buffer layer, five partition bars are symmetrically connected between the outer surface wall of the second reinforcing wire and the first armor layer and divide the buffer layer into five equal regions, each region is internally fixed with a sheath, the inner part of the sheath is provided with tightly sleeved optical fibers, the outer surface wall of the first armor layer is connected with a composite layer, the utility model separates five sheaths by the cooperation of the second reinforcing wire and the partition bars, so that the position of each tightly sleeved optical fiber can be more independent and stable, when the tail cable is extruded, the mutual extrusion between the sheaths can be avoided, and further the defect that the tightly sleeved optical fibers are extruded and deformed and damaged to influence signal transmission is avoided, the compression protection performance is better.

Description

Waterproof tail cable

Technical Field

The utility model belongs to the technical field of the communication optical cable, concretely relates to waterproof tail cable.

Background

The communication optical cable is a main transmission tool of various information networks in the information society, wherein the waterproof tail cable is generally used for connecting various types of connectors at the tail end of the optical fiber communication network and connecting an optical receiver. The original transmission performance of the optical fiber can be kept in the using process, and the stable and reliable transmission performance of the optical fiber in the long-term using process is the basic requirement of optical fiber production.

In chinese patent with patent number CN201420455694.3, a waterproof tail cable is disclosed, describe "rationally set up water blocking area and armor one deck aluminium strip in this patent, improve the effect that blocks water, and the external diameter is little, light in weight, decay reduces, easily peel off, can extensively be applicable to indoor outer environment, convenient connection", but tail cable compressive capacity in this patent is relatively poor, when the tail cable suffered the extrusion, the easy extrusion deformation of optic fibre core damages and influence the transmission of signal, furthermore, the anti performance of stinging of traditional tail cable is relatively poor, the rat is torn and is stinged and extremely easily cause the tail cable damaged, and then influence its normal use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waterproof tail cable to the traditional tail cable compressive capacity who proposes in solving above-mentioned background art is relatively poor, when the tail cable suffered the extrusion, the easy extrusion deformation of optical fiber core damaged problem, and in addition, the anti performance of stinging of traditional tail cable is relatively poor, and the rat ant baits and stings the problem that very easily causes the tail cable damage.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a waterproof tail-cable, includes the buffer layer, the outward appearance wall connection of buffer layer has first armor, and the inside intermediate position department of buffer layer is equipped with the second stiffener, there are five parting beads, five symmetrical connection between the outward appearance wall of second stiffener and the first armor the parting bead separates into impartial five regions, every with the buffer layer the region all is fixed with the sheath, the inside of sheath is equipped with tight set optic fibre, the outward appearance wall connection of first armor has the composite bed, the outward appearance wall of composite bed is fixed with the second armor, the inside even packing of second armor has first stiffener.

Preferably, the composite layer comprises a flame-retardant layer, a waterproof layer and a high-temperature-resistant layer, and the flame-retardant layer, the waterproof layer and the high-temperature-resistant layer are sequentially bonded and compounded.

Preferably, the inner wall of the sheath is bonded with a shielding layer, and an insulating layer is connected between the composite layer and the second armor layer.

Preferably, the shielding layer is a braided shielding layer, and the braiding density of the braided shielding layer is 85% -95%.

Preferably, the outer surface wall of the second armor layer is connected with a wear-resistant layer, and the outer surface wall of the wear-resistant layer is provided with anti-skid grains.

Preferably, 10-20 first reinforcing wires are fixed, and the diameter of the first reinforcing wires is smaller than that of the second reinforcing wires.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a cooperation of second reinforcing wire and parting bead is separated five sheaths through the parting bead, can make the position that each tight tube optic fibre was located independently more stable, when this tail cable received the extrusion, can avoid extrudeing each other between the sheath, and then avoided tight tube optic fibre extrusion deformation damage and influence the defect of signal transmission, and resistance to compression protective properties is better.

(2) The utility model discloses an add first armor and the second armor that is in this tail cable ectonexine, and add first reinforcing wire in the second armor, double-deck protection can effectively increase the intensity of this tail cable, and non-deformable can effectively prevent that the rat and ant from baiting, has avoided the tail cable damage, has guaranteed its long-term normal use.

Drawings

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

FIG. 2 is a schematic structural diagram of the composite layer of the present invention;

in the figure: 1. a buffer layer; 2. a sheath; 3. a first reinforcing wire; 4. a parting strip; 5. tightly sleeving the optical fiber; 6. a second reinforcing wire; 7. a shielding layer; 8. a first armor layer; 9. compounding layers; 91. a flame retardant layer; 92. a waterproof layer; 93. a high temperature resistant layer; 10. an insulating layer; 11. a second armor layer; 12. and a wear-resistant layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides the following technical solutions: a waterproof tail cable comprises a buffer layer 1, wherein the outer surface wall of the buffer layer 1 is connected with a first armor layer 8, a second reinforcing wire 6 is arranged at the middle position inside the buffer layer 1, five partition strips 4 are symmetrically connected between the outer surface wall of the second reinforcing wire 6 and the first armor layer 8, the buffer layer 1 is divided into five equal regions by the five partition strips 4, five sheaths 2 are separated by the partition strips 4, the position of each tightly sleeved optical fiber 5 can be more independent and stable, when the tail cable is extruded, mutual extrusion between the sheaths 2 can be avoided, further the defect that the tightly sleeved optical fibers 5 are extruded and deformed to damage to influence signal transmission is avoided, the compression resistance and the protection performance are better, the sheath 2 is fixed in each region, the tightly sleeved optical fibers 5 are arranged inside the sheath 2, the outer surface wall of the first armor layer 8 is connected with a composite layer 9, the second armor layer 11 is fixed on the outer surface wall of the composite layer 9, the inside even packing of second armor 11 has first reinforcing wire 3, and the armor forms for the low carbon galvanized steel wire material is compound, the stable quality, and the intensity of this tail cable can effectively be increased in the addding of first armor 8 and second armor 11, and non-deformable can effectively prevent that the rat and ant from baiting, has avoided the tail cable damage, has guaranteed its long-term normal use.

Further, the composite layer 9 includes a flame-retardant layer 91, a waterproof layer 92 and a high-temperature resistant layer 93, the flame-retardant layer 91, the waterproof layer 92 and the high-temperature resistant layer 93 are sequentially bonded and compounded, and the flame-retardant layer 91, the waterproof layer 92 and the high-temperature resistant layer 93 can effectively increase the flame retardance, the water resistance and the high-temperature resistance of the tail cable, so that the service life of the tail cable is prolonged.

Furthermore, the inner wall of the sheath 2 is bonded with a shielding layer 7, an insulating layer 10 is connected between the composite layer 9 and the second armor layer 11, the shielding layer 7 is a braided shielding layer, the braiding density of the braided shielding layer is 85% -95%, and the shielding layer 7 can effectively shield the interference of external signals on the signal transmission of the tail cable so as to ensure the accuracy of the signal transmission.

Further, the exterior wall of the second armor layer 11 is connected with a wear-resistant layer 12, and the exterior wall of the wear-resistant layer 12 is provided with anti-slip patterns, so that when the tail cable is dragged, the exterior wear of the tail cable can be reduced through the wear-resistant layer 12.

Furthermore, 10 ~ 20 are fixed with to first reinforcing wire 3, and the diameter of first reinforcing wire 3 is less than the diameter of second reinforcing wire 6, and a plurality of first reinforcing wires 3 can further improve the intensity of second armor 11, avoid stinging and damage.

The utility model discloses a theory of operation and use flow: five sheaths 2 are separated by five parting strips 4 in the buffer layer 1, so that the positions of the tight-buffered optical fibers 5 are more independent and stable, when the tail cable is extruded, the mutual extrusion between the sheaths 2 can be avoided, and the defect that the extrusion deformation damage of the tightly sleeved optical fiber 5 influences the signal transmission is further avoided, in addition, the composite layer 9 compounded by the flame-retardant layer 91, the waterproof layer 92 and the high-temperature resistant layer 93 can effectively increase the flame-retardant, waterproof and high-temperature resistant performances of the tail cable, and further prolong the service life of the tail cable, secondly, the strength of the tail cable can be effectively enhanced by adding the first armor layer 8 and the second armor layer 11, the tail cable is not easy to deform, the tail cable can be effectively prevented from being bitten by rats and ants, the damage of the tail cable is avoided, the long-term normal use of the tail cable is ensured, in addition, the shielding layer 7 can effectively shield the interference of external signals to the signal transmission of the tail cable, so that the accuracy of the signal transmission is ensured.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A waterproof tail cable is characterized in that: including buffer layer (1), the outward appearance wall of buffer layer (1) is connected with first armor (8), and the inside intermediate position department of buffer layer (1) is equipped with second stiffener (6), symmetrical connection has five parting beads (4), five between the outward appearance wall of second stiffener (6) and first armor (8) parting bead (4) separate into impartial five regions, every with buffer layer (1) parting bead (4) all be fixed with sheath (2) in the region, the inside of sheath (2) is equipped with tight cover optic fibre (5), the outward appearance wall of first armor (8) is connected with composite bed (9), the outward appearance wall of composite bed (9) is fixed with second armor (11), the inside even packing of second armor (11) has first stiffener (3).

2. A water resistant tail cable according to claim 1, wherein: the composite layer (9) comprises a flame-retardant layer (91), a waterproof layer (92) and a high-temperature-resistant layer (93), wherein the flame-retardant layer (91), the waterproof layer (92) and the high-temperature-resistant layer (93) are sequentially bonded and compounded.

3. A water resistant tail cable according to claim 1, wherein: and a shielding layer (7) is bonded on the inner wall of the sheath (2), and an insulating layer (10) is connected between the composite layer (9) and the second armor layer (11).

4. A water resistant tail cable according to claim 3, wherein: the shielding layer (7) is a braided shielding layer, and the braiding density of the braided shielding layer is 85% -95%.

5. A water resistant tail cable according to claim 1, wherein: the outer surface wall of the second armor layer (11) is connected with a wear-resistant layer (12), and anti-skid grains are arranged on the outer surface wall of the wear-resistant layer (12).

6. A water resistant tail cable according to claim 1, wherein: 10-20 first reinforcing wires (3) are fixed, and the diameter of the first reinforcing wires (3) is smaller than that of the second reinforcing wires (6).