CN212905611U

CN212905611U - Flame-retardant GYFTZY optical cable

Info

Publication number: CN212905611U
Application number: CN202021756907.8U
Authority: CN
Inventors: 郝继祥
Original assignee: Dfoe Technology Shanghai Co ltd
Current assignee: Dfoe Technology Shanghai Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-04-06
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses a fire-retardant GYFTZY optical cable, including fire-retardant protective sheath, the inboard of fire-retardant protective sheath is provided with the square lun, the inboard of square lun is provided with the inner protective layer, the inboard of inner protective layer is provided with the waterproof layer, the inboard of waterproof layer is provided with interior fire-retardant layer, the inboard on interior fire-retardant layer is provided with the cable core filler, the inboard of cable core filler is provided with loose sleeve pipe. The utility model discloses, cross interior flame retardant coating and the fire-retardant protective sheath that the optic fibre outside set up, make when meetting the conflagration, the effectual fire behaviour that has increased optic fibre, thereby make the flame retardant efficiency of optic fibre good, facilitate the use, the square lun that sets up outside central strengthening core and optic fibre through the inboard intermediate position department of cable core filler, make laying the effectual compressive capacity who improves optic fibre of optic fibre, thereby can play the effect of buffering and absorption impact force, it is impaired then to reduce optic fibre, the effectual use that ensures optic fibre.

Description

Flame-retardant GYFTZY optical cable

Technical Field

The utility model relates to an optical cable technical field specifically is a fire-retardant GYFTZY optical cable.

Background

Fiber optic cables are manufactured to meet optical, mechanical, or environmental performance specifications and utilize one or more optical fibers disposed in a covering jacket as the transmission medium and may be used individually or in groups as telecommunication cable assemblies. The optical cable is mainly composed of optical fiber, plastic protective sleeve and plastic sheath, and has no metal such as gold, silver, copper and aluminum, and 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.

But current optical cable fire resistance is general not good, and stability when meetting naked light or high temperature high pressure is poor to easily cause the damage to the optical cable, be unfavorable for the safe transmission of information, and probably receive the extrusion of heavy object when carrying out cable laying, thereby lead to the cable impaired, influence the use of cable then.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire-retardant GYFTZY optical cable to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fire-retardant GYFTZY optical cable, includes fire-retardant protective sheath, the inboard of fire-retardant protective sheath is provided with the square lun, the inboard of square lun is provided with the inner protective layer, the inboard of inner protective layer is provided with the waterproof layer, the inboard of waterproof layer is provided with interior fire-retardant layer, the inboard of interior fire-retardant layer is provided with the cable core filler, the inboard of cable core filler is provided with the pine sleeve pipe, the inboard of pine sleeve pipe is provided with the sleeve pipe filler, the inboard of sleeve pipe filler is provided with the anti-corrosion coating, the inboard of anti-corrosion coating is provided with optic fibre, the inboard intermediate position department of cable core filler is provided with central strengthening.

Preferably, the material of the inner protection layer is polyvinyl chloride, and the thickness of the inner protection layer is 0.4 mm.

Preferably, the inner flame-retardant layer is made of asbestos and has a thickness of 0.5 mm.

Preferably, the material of the sleeve filler is a crosslinked polyethylene semiconductor, and the thickness of the sleeve filler is 0.1 mm.

Preferably, the thickness of the corrosion protection layer is not less than 0.1 mm.

Preferably, the central reinforced core is made of aramid fiber reinforced composite material, and the thickness of the central reinforced core is 0.5 mm.

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

1. this fire-retardant GYFTZY optical cable through the interior fire-retardant layer and the fire-retardant protective sheath that the optic fibre outside set up for when meetting the conflagration, the effectual fire behaviour that has increased optic fibre, thereby make the flame retardant efficiency of optic fibre good, facilitate the use.

2. This fire-retardant GYFTZY optical cable sets up the square ripples of strengthening the core and setting up in the optic fibre outside through the inboard intermediate position department of cable core filler for laying the effectual compressive capacity that improves optic fibre of optic fibre, thereby can play the effect of buffering and absorption impact force, reduce then that optic fibre is impaired, the effectual use that ensures optic fibre.

Drawings

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

fig. 2 is a side view of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: 1. a flame-retardant protective sleeve; 2. a squaraine; 3. an inner protective layer; 4. a waterproof layer; 5. an inner flame retardant layer; 6. a cable core filler; 7. loosening the sleeve; 8. a sleeve filler; 9. an anti-corrosion layer; 10. an optical fiber; 11. a central reinforcing core.

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. 1-3, the present invention provides an embodiment: a flame-retardant GYFTZY optical cable comprises a flame-retardant protective sleeve 1, wherein a nylon 2 is arranged on the inner side of the flame-retardant protective sleeve 1, an inner protective layer 3 is arranged on the inner side of the nylon 2, the inner protective layer 3 is made of polyvinyl chloride, the thickness of the inner protective layer 3 is 0.4mm, a waterproof layer 4 is arranged on the inner side of the inner protective layer 3, an inner flame-retardant layer 5 is arranged on the inner side of the waterproof layer 4, the flame-retardant performance of an optical fiber 10 is effectively improved through the inner flame-retardant layer 5 and the flame-retardant protective sleeve 1 which are arranged on the outer side of the optical fiber 10 when a fire occurs, the flame-retardant effect of the optical fiber 10 is good, the optical fiber is convenient to use, the inner flame-retardant layer 5 is made of asbestos with heat insulation, the thickness of the inner flame-retardant layer 5 is 0.5mm, a cable core filler 6 is arranged on the inner side of the inner flame-retardant layer 5, a loose tube 7 is arranged, the thickness of the sleeve filler 8 is 0.1mm, the inner side of the sleeve filler 8 is provided with the anti-corrosion layer 9, the thickness of the anti-corrosion layer 9 is not less than 0.1mm, the inner side of the anti-corrosion layer 9 is provided with the optical fiber 10, the central reinforcing core 11 is arranged at the middle position of the inner side of the cable core filler 6, the central reinforcing core 11 and the square fiber 2 arranged outside the optical fiber 10 are arranged at the middle position of the inner side of the cable core filler 6, the compression resistance of the optical fiber 10 is effectively improved when the optical fiber 10 is laid, the effect of buffering and impact absorption can be achieved, damage to the optical fiber 10 is reduced, use of the optical fiber 10 is effectively guaranteed, the central reinforcing core 11 is made of aramid fiber reinforced composite materials, and the thickness of the central reinforcing core 11 is 0.5 mm.

The working principle is as follows: when using a fire-retardant GYFTZY optical cable, when meetting external force and carrying out extrusion optic fibre 10 when laying, the square lun 2 that sets up central reinforced core 11 and optic fibre 10 outside through the inboard intermediate position department of cable core filler 6, make laying the effectual compressive capacity that improves optic fibre 10 of optic fibre 10, thereby can play buffering and the effect of absorbing the impact force, then it is impaired to reduce optic fibre 10, the effectual use of having ensured optic fibre 10, when using, when meetting the conflagration and taking place, through interior fire-retardant layer 5 and the fire-retardant protective sheath 1 that the optic fibre 10 outside set up, make when meetting the conflagration, the effectual fire behaviour that has increased optic fibre 10, thereby make optic fibre 10's fire-retardant efficiency good, and convenient for use.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or scope of the present invention. Accordingly, the embodiments of the present invention are exemplary, and not limiting. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A fire-retardant GYFTZY optical cable, including fire-retardant protective sheath (1), its characterized in that: the inner side of the flame-retardant protective sleeve (1) is provided with a square nylon (2), the inner side of the square nylon (2) is provided with an inner protective layer (3), the inner side of the inner protective layer (3) is provided with a waterproof layer (4), the inner side of the waterproof layer (4) is provided with an inner flame-retardant layer (5), the inner side of the inner flame-retardant layer (5) is provided with a cable core filler (6), the inner side of the cable core filler (6) is provided with a loose tube (7), the inner side of the loose tube (7) is provided with a tube filler (8), the inner side of the tube filler (8) is provided with an anti-corrosion layer (9), the inner side of the anti-corrosion layer (9) is provided with an optical fiber (10), and the middle position of the inner side of the cable core filler.

2. The flame-retardant GYFTZY optical cable as claimed in claim 1, wherein: the inner protection layer (3) is made of polyvinyl chloride, and the thickness of the inner protection layer (3) is 0.4 mm.

3. The flame-retardant GYFTZY optical cable as claimed in claim 1, wherein: the inner flame-retardant layer (5) is made of asbestos and has a heat insulation effect, and the thickness of the inner flame-retardant layer (5) is 0.5 mm.

4. The flame-retardant GYFTZY optical cable as claimed in claim 1, wherein: the material of the sleeve filler (8) is a crosslinked polyethylene semiconductor, and the thickness of the sleeve filler (8) is 0.1 mm.

5. The flame-retardant GYFTZY optical cable as claimed in claim 1, wherein: the thickness of the anti-corrosion layer (9) is not less than 0.1 mm.

6. The flame-retardant GYFTZY optical cable as claimed in claim 1, wherein: the central reinforced core (11) is made of aramid fiber reinforced composite material, and the thickness of the central reinforced core (11) is 0.5 mm.