CN209979905U

CN209979905U - Armored optical cable

Info

Publication number: CN209979905U
Application number: CN201921002269.8U
Authority: CN
Inventors: 王飞; 翟长伟
Original assignee: SHENZHEN SHIJIA OPTICAL CABLE TECHNOLOGY Co Ltd
Current assignee: SHENZHEN SHIJIA OPTICAL CABLE TECHNOLOGY Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-01-21
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses an armored optical cable, which comprises an armored cable core, wherein a protective sleeve is arranged outside the armored cable core; the armor cable core is including the layer that blocks water, outer armor reelpipe and at least one armor optical unit, armor optical unit includes optic fibre, and this optic fibre overcoat has the interior armor reelpipe that has pliability and resistance side pressure, and all armor optical unit sets up block water in the layer, just the layer overcoat that blocks water is equipped with outer armor reelpipe. The utility model discloses think about novelty, reasonable in design, and convenient to use, through set up the effect in order to realize the resistance to compression of interior armor reelpipe and the outer armor reelpipe that adopts the stainless steel wire to make outside optic fibre, waterproof, respond well through the layer of pipe that blocks water simultaneously.

Description

Armored optical cable

Technical Field

The utility model relates to a cable technical field, in particular to armored optical cable.

Background

Armored optical fibers have important applications in telecommunication optical fiber long-distance lines and primary and secondary trunk transmission. However, the armored optical fiber which is usually contacted by the network management is mostly used for connecting two optical fiber network devices which are used in the building in a machine room.

At present, the conventional armored optical cable is mainly formed by extruding a layer of protective sleeve material by externally arranging one or more tightly sleeved optical fibers made of a low-smoke halogen-free polyolefin material with the diameter of phi 0.9mm and a plurality of aramid yarns, arranging an armored reel pipe or a longitudinally wrapped steel aluminum belt, and finally extruding the protective sleeve material. The optical cable often does not have the functions of compression resistance, tensile resistance, water resistance, moisture resistance, corrosion resistance, flame retardance, fire resistance, ant resistance, insect prevention, rat prevention, wear resistance and high temperature resistance. When the conventional armored optical cable is damaged, the circuit is obstructed, the operation safety of the network is seriously influenced, and the maintenance cost is increased.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned current conventional armor optical cable does not possess resistance to compression and waterproof problem, the utility model aims to solve the technical problem that an armor optical cable is provided, through setting up interior armor reelpipe and the layer of tube that blocks water solve resistance to compression and waterproof problem, respond well, convenient to use.

The technical scheme of the utility model as follows: an armored optical cable comprises an armored cable core, wherein a protective sleeve is arranged outside the armored cable core;

the armor cable core is including the layer that blocks water, outer armor reelpipe and at least one armor optical unit, armor optical unit includes optic fibre, and this optic fibre overcoat has the interior armor reelpipe that has pliability and resistance side pressure, and all armor optical unit sets up block water in the layer, just the layer overcoat that blocks water is equipped with outer armor reelpipe.

Preferably, the inner armored roller pipe is formed by spirally winding stainless steel wires, the outer diameter range of the inner armored roller pipe is 0.83mm-0.92mm, and the spiral distance range of the stainless steel wires forming the inner armored roller pipe is 0.08mm-0.32 mm.

Preferably, the outer armored roller pipe is formed by spirally winding stainless steel wires, the outer diameter range of the outer armored roller pipe is 1.6mm-5.0mm, and the spiral distance range of the stainless steel wires forming the outer armored roller pipe is 0.18mm-0.52 mm.

Further, as a preferred option, the sheath tube includes an inner sheath tube and an outer sheath tube, the outer sheath tube is sleeved outside the inner sheath tube, and the inner sheath tube is sleeved on the armored cable core.

Further, preferably, a first aramid fiber pipe layer used for tensile strength is arranged between the armored cable core and the inner protective sleeve.

Further, preferably, a plurality of uniformly arranged bulges are formed on the outer wall of the inner protecting sleeve, and the bulges are formed into inner protecting sleeve grooves.

Further, preferably, the depth of the inner sheath groove ranges from 0.08mm to 0.22 mm.

Further, preferably, the inner sheath tube is made of ceramic polyolefin material.

Further, as preferred, the inner sheath outside of tubes cover is equipped with the second aramid fiber pipe layer that is used for blocking water, just the second aramid fiber pipe layer is packed in the inner sheath recess.

Further, preferably, the outer sheath tube is made of a nylon material.

Has the advantages that: the utility model discloses think about novelty, reasonable in design, and convenient to use, through set up the effect in order to realize the resistance to compression of interior armor reelpipe and the outer armor reelpipe that adopts the stainless steel wire to make outside optic fibre, waterproof, respond well through the layer of pipe that blocks water simultaneously.

Drawings

Fig. 1 is a schematic sectional structure of the present invention.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

the armored optical cable shown in FIG. 1 comprises an armored cable core, wherein a protective sleeve is arranged outside the armored cable core; the armor cable core includes the layer 3 that blocks water, outer armor reelpipe 4 and at least one armor optical unit, and armor optical unit includes optic fibre 1, and 1 overcoat of this optic fibre has interior armor reelpipe 2 that has pliability and resistance side pressure, and all armor optical unit set up in the layer 3 that blocks water, and 3 overcoat of the layer that blocks water are equipped with outer armor reelpipe 4.

The utility model discloses in, optic fibre 1 forms armor optical unit as communication medium, inserts interior armor reelpipe 2. Typically, an optical fiber 1 is inserted into an inner armored roller tube 2 to form an armored optical unit. The armored optical unit is inserted into a tubular and layered structure formed by the water-blocking pipe layer 3 and the outer armored reel pipe 4 to form an armored cable core. The number of the armored optical units is generally 1-12, and the specific number is determined according to actual needs. In the case of a plurality of armored optical units, the plurality of armored optical units are gathered into a bundle and inserted into the water-blocking tube layer 3. Interior armor reelpipe 2 direct protection each optic fibre 1, because the setting needs under specific use condition, interior armor reelpipe 2 need have certain pliability and come the arranging of whole optical cable of being convenient for, also need utilize the attribute of self to realize the anti side pressure, consequently as long as can satisfy these two kinds of effects can, specifically utilize material attribute or structural attribute all can. The water-blocking tube layer 3 covers all the armored optical units by using the self compact tubular material and the structural characteristics, and plays the roles of water blocking and water proofing. Set up outer armor reelpipe 4 outside the layer 3 that blocks water and played the effect of resistance to compression equally, belong to the further enhancement of resistance to compression effect, in order to guarantee arranging and using being convenient for when specifically using simultaneously, also need outer armor reelpipe 4 wholly to have certain pliability. The protective sleeve sets up the outside of armor reelpipe 4 outward, plays further guard action.

Further, preferably, the inner armor roller pipe 2 is formed by spirally winding stainless steel wires, the outer diameter range of the inner armor roller pipe 2 is 0.83mm to 0.92mm, and the spiral pitch range of the stainless steel wires forming the inner armor roller pipe 2 is 0.08mm to 0.32 mm.

In this preferred scheme, a concrete material and the structural style of interior armor reelpipe 2 are given, adopt the stainless steel wire spiral to wind promptly and establish and form, and the stainless steel wire that establishes is whole to be the spring form through the spiral winding. In order to achieve better use effect, for example, under the condition of meeting the same distance, a longer inner armored reel pipe 2 can be formed, the stainless steel wires can be firstly flattened, so that the formed side wall plate-shaped wall of the inner armored reel pipe 2 has an effect, because the whole inner armored reel pipe 2 has certain flexibility, the stainless steel wires are required to form enough spiral distance, and the spiral distance is an important reference index of the whole flexibility. Thus, with a defined range of helical pitch, a flattened stainless steel wire can be wound around the longer inner armor coil 2.

Further, preferably, the outer sheathing roll pipe 4 is formed by spirally winding stainless steel wires, the outer diameter of the outer sheathing roll pipe 4 ranges from 1.6mm to 5.0mm, and the spiral pitch of the stainless steel wires forming the outer sheathing roll pipe 4 ranges from 0.18mm to 0.52 mm.

The basic principle of the preferred scheme is the same as that of the inner armored reel pipe 2, and meanwhile, the stainless steel wire is adopted for manufacturing, so that the rat bite prevention effect is achieved.

Further, as preferred, the protecting pipe includes inner protecting pipe 5 and outer protecting pipe 6, outer protecting pipe 6 covers outside inner protecting pipe 5, and inner protecting pipe 5 covers on the armoured cable core.

In the preferred scheme, the inner protective sleeve 5 and the outer protective sleeve 6 are arranged, so that the protective effect is better.

Further, as preferred, be provided with the first aramid fiber pipe layer 8 that is used for tensile between armoured cable core and inner sheath pipe 5.

In this preferred scheme, through setting up the first aramid fiber pipe layer 8 that adopts the aramid fiber to make, utilize the attribute of material, have fine tensile effect, have waterproof moisture-resistant effect simultaneously.

Further, preferably, the outer wall of the inner sheath tube 5 is formed with a plurality of protrusions 5a uniformly arranged, and the protrusions 5a are formed as inner sheath grooves 5 b.

In this preferred embodiment, the outer wall of the inner sheath tube 5 is formed into an uneven structure to satisfy the snap-fit assembly.

Further, it is preferable that the depth of the inner sheath groove 5b is in the range of 0.08mm to 0.22 mm.

In the preferred scheme, the depth range of the groove 5b is given, so that the effect is better and more reasonable in use.

Further, the inner sheath tube 5 is preferably made of a ceramic polyolefin material.

In the preferred scheme, the inner protective sleeve 5 is made of ceramic polyolefin materials, so that the whole optical cable has a fireproof effect. The inner protective sleeve 5 can be made of other fireproof materials besides ceramic polyolefin materials.

Further, as preferred, the outer cover of inner sheath pipe 5 is equipped with the second aramid fiber pipe layer 7 that is used for preventing water, and the second aramid fiber pipe layer 7 is packed in inner sheath recess 5 b.

In this preferred scheme, set up the second aramid fiber pipe layer 7 that adopts aramid fiber material to utilize the structural feature of the outer wall of interior sheath pipe 5, inlay and adorn in interior sheath recess 5b, further improve tensile effect, also further improve dampproofing and waterproof effect simultaneously.

Further, the outer sheath tube 6 is preferably made of a nylon material.

In the preferred scheme, the outer protective sleeve 6 is made of nylon materials, and has good ant-proof, insect-proof, wear-resistant and high-temperature-resistant functions.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. An armored optical cable, comprising: the cable comprises an armored cable core, wherein a protective sleeve is arranged outside the armored cable core;

the armor cable core is including the layer (3) that blocks water, outer armor reelpipe (4) and at least one armor optical unit, armor optical unit includes optic fibre (1), and this optic fibre (1) overcoat has interior armor reelpipe (2) that have pliability and anti side pressure, and all armor optical unit set up block water in the layer (3), just block water and be equipped with in the layer (3) overcoat outer armor reelpipe (4).

2. An armored fiber optic cable as claimed in claim 1, wherein: the inner armored reel pipe (2) is formed by spirally winding stainless steel wires, the outer diameter range of the inner armored reel pipe (2) is 0.83mm-0.92mm, and the spiral distance range of the stainless steel wires forming the inner armored reel pipe (2) is 0.08mm-0.32 mm.

3. An armored fiber optic cable as claimed in claim 1, wherein: the outer armored reel pipe (4) is formed by spirally winding stainless steel wires, the outer diameter range of the outer armored reel pipe (4) is 1.6-5.0 mm, and the spiral distance range of the stainless steel wires forming the outer armored reel pipe (4) is 0.18-0.52 mm.

4. An armored fiber optic cable as claimed in claim 1, wherein: the protective sleeve comprises an inner protective sleeve (5) and an outer protective sleeve (6), wherein the outer protective sleeve (6) is sleeved outside the inner protective sleeve (5), and the inner protective sleeve (5) is sleeved on the armored cable core.

5. An armored fiber optic cable as claimed in claim 4, wherein: and a first aramid tube layer (8) for tensile strength is arranged between the armored cable core and the inner protective sleeve (5).

6. An armored fiber optic cable as claimed in claim 5, wherein: the outer wall of the inner protective sleeve (5) forms a plurality of protrusions (5a) which are uniformly distributed, and the protrusions (5a) form inner protective sleeve grooves (5 b).

7. An armored fiber optic cable as claimed in claim 6, wherein: the depth range of the inner sheath groove (5b) is 0.08mm-0.22 mm.

8. An armored fiber optic cable as claimed in claim 7, wherein: the inner protective sleeve (5) is made of ceramic polyolefin material.

9. An armored fiber optic cable as claimed in claim 8, wherein: interior protective sheath pipe (5) overcoat is equipped with second aramid fiber pipe layer (7) that are used for blocking water, just second aramid fiber pipe layer (7) are packed in inner sheath recess (5 b).

10. An armored fiber optic cable as claimed in claim 9, wherein: the outer protective sleeve (6) is made of nylon material.