CN211905807U - Multi-core indoor optical cable - Google Patents

Abstract

The utility model discloses a multicore indoor optical cable, which comprises a protective sleeve, a central reinforcing element and a plurality of optical fibers, wherein the central reinforcing element and the optical fibers are arranged in the protective sleeve, the optical fibers are circumferentially arranged along the central reinforcing element, and cable core fillers are filled in gaps among the central reinforcing element and the optical fibers; the protective sheath surface cover is equipped with the mark ring, mark ring surface has a plurality of transparent sand grips along the circumference equipartition, it is equipped with the information label to inlay between mark ring and the transparent sand grip. The utility model discloses a mark ring is established to the cover on optical cable surface to set up transparent sand grip on mark ring surface, inlay between mark ring and the transparent sand grip and establish the information label, transparent sand grip can play to enlarge and the guard action, the user identification of being convenient for to the literal information on the information label.

Description

Multi-core indoor optical cable

Technical Field

The utility model belongs to the technical field of fiber communication equipment, specifically be an indoor optical cable of multicore.

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.

When the existing optical cable is installed through a hole in a wall body, friction is easy to occur between the existing optical cable and the wall body, so that optical cable information marked on the surface of the optical cable (for example, the length of a certain position in the middle section of the optical cable from the head end or the tail end of the optical cable) is erased, and the existing optical cable is troublesome when the information needs to be checked.

The patent with the publication number of CN202649573U discloses a multicore transposition formula indoor optical cable, including oversheath (1), be provided with inner core (8) in oversheath (1), inner core (8) including reinforcement A (2) and at least two cable cores (3), cable core (3) set up around reinforcement A (2), cable core (3) including inner sheath (5) and set up optical fiber part (9) in inner sheath (5), optical fiber part (9) including tight set optic fibre (6) and reinforcement B (7), tight set optic fibre (6) set up around reinforcement B (7), oversheath (1) on still be provided with burr (11), be provided with the characters between burr (11). The utility model has the advantages that: the inside multiple cable core transposition of adoption forms, the route branch of being convenient for very much, and the surface of this optical cable adopts the burr to protect optical cable information moreover, and the customer of being convenient for uses.

Although the indoor optical cable disclosed by the patent can play a certain role in protecting the text information on the surface of the optical cable, when the optical cable is installed in wall concrete, the text between the convex patterns is easy to wipe off; and because the diameter of the optical cable is generally smaller, characters marked on the surface of the optical cable are generally smaller, and the direct checking by naked eyes is more laborious.

Disclosure of Invention

The utility model aims at the problem that prior art exists, provide an indoor optical cable of multicore, establish the mark ring through at optical cable surface cover to set up transparent sand grip on mark ring surface, inlay between mark ring and the transparent sand grip and establish the information label, transparent sand grip can play to enlarge and the guard action, the user identification of being convenient for to the literal information on the information label.

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

a multi-core indoor optical cable comprises a protective sleeve, a central reinforcing element and a plurality of optical fibers, wherein the central reinforcing element and the optical fibers are arranged in the protective sleeve; the protective sheath surface cover is equipped with the mark ring, mark ring surface has a plurality of transparent sand grips along the circumference equipartition, it is equipped with the information label to inlay between mark ring and the transparent sand grip.

The utility model can avoid the abrasion caused by the exposure of the information label on the outer surface of the optical cable by embedding the information label between the marking ring and the transparent raised line, and can play a good role in protecting the characters marked on the information label; simultaneously, because information label inlays to be established in transparent sand grip bottom, transparent sand grip is equivalent to convex lens, can play the amplification to the characters on the information label to the user of being convenient for looks over.

Specifically, the marking rings are provided in plurality and are arranged at equal intervals along the axial direction of the protective sleeve; because the optical cable surface every certain distance of interval all can mark literal information, consequently the utility model provides a mark ring is established in the position that the optical cable surface needs mark literal information.

Further, every mark ring surface all is provided with 6 transparent sand grips, can mark more literal information in the same position of optical cable.

Specifically, the radial cross section of transparent sand grip is semi-circular, through setting up the transparent sand grip (the structure of similar convex lens) that the cross-section is semi-circular, can play better enlarged effect to the characters on the information label, the discernment of being convenient for.

Specifically, 4 optical fibers are arranged in the protective sleeve.

Specifically, the protective sheath includes inner sheath, waterproof material layer, flame retardant material layer, oversheath from inside to outside in proper order. By arranging the inner sheath and the outer sheath, a plurality of optical fibers in the optical cable can be well protected; through setting up waterproof material layer, flame retardant material layer, can play better waterproof, flame retardant efficiency to the optical cable is inside.

Specifically, transparent sand grip and mark ring integrated into one piece, stable in structure, transparent sand grip is difficult for breaking away from mark ring.

Compared with the prior art, the beneficial effects of the utility model are that: (1) the utility model discloses a set up the mark ring at the optical cable protective sheath outside cover, and set up transparent sand grip on the mark surface, inlay the information label between mark ring and transparent sand grip, can play the guard action to the information label on the one hand, prevent that the information label from being worn and torn; on the other hand, the method can amplify the character information on the information label, and is convenient to identify; (2) the utility model discloses an embedded waterproof material layer and the fire-retardant layer of being equipped with of protective sheath can play waterproof and fire-retardant effect to the optic fibre in the protective sheath.

Drawings

Fig. 1 is a radial cross-sectional view of a multi-core indoor optical cable according to the present invention;

fig. 2 is a schematic view of an external structure of a multi-core indoor optical cable according to the present invention;

FIG. 3 is a schematic view of a part of the structure of the marking ring of the present invention;

fig. 4 is a schematic view of a part of the structure of the protective cover of the present invention;

in the figure: 1. a protective sleeve; 2. a central reinforcing element; 3. an optical fiber; 4. a cable core filler; 5. a marker ring; 6. transparent convex strips; 7. an information tag; 8. an inner sheath; 9. a layer of water repellent material; 10. a layer of flame retardant material; 11. an outer sheath.

Detailed Description

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

As shown in fig. 1, the present embodiment provides a multi-core indoor optical cable, including a protective sheath 1, a central strength element 2 and a plurality of optical fibers 3, which are arranged in the protective sheath 1, wherein the plurality of optical fibers 3 are arranged along the circumferential direction of the central strength element 2, and gaps between the central strength element 2 and the plurality of optical fibers 3 are filled with a cable core filler 4; the outer surface cover of protective sheath 1 is equipped with mark ring 5, 5 surfaces of mark ring have a plurality of transparent sand grips 6 along the circumference equipartition, it is equipped with information label 7 to inlay between mark ring 5 and the transparent sand grip 6.

Specifically, as shown in fig. 2, the marking ring 5 is provided with a plurality of marking rings 5, and the plurality of marking rings 5 are arranged at equal intervals along the axial direction of the protective sleeve 1; because the optical cable surface every certain distance of interval all can mark literal information, consequently the utility model provides a mark ring 5 establishes the position that needs mark literal information on the optical cable surface. In this embodiment, the marking rings 5 are arranged at intervals of 1 meter, and are used for marking information such as the type of the optical cable, the length from the position to the head end of the optical cable, and the like.

Furthermore, 6 transparent raised lines 6 are arranged on the outer surface of each marking ring 5, and on one hand, more text information can be marked at the same position of the optical cable by arranging the 6 transparent raised lines 6 on the outer surface of each marking ring 5; on the other hand, 6 transparent sand grip 6 of 5 surfaces of mark ring can form regular hexagon, avoid the optical cable to roll when indoor wall installation, and stability is better.

Specifically, as shown in fig. 3, the radial section of the transparent convex strip 6 is semicircular, and by arranging the transparent convex strip 6 (similar to a convex lens structure) with the semicircular section, characters on the information label 7 can be well amplified, so that the characters are convenient to identify. In this embodiment, the diameter of the cross section of the transparent protruding strip 6 is larger than the width of the information label 7, so as to facilitate the amplification and identification of the text information on the information label 7.

Specifically, 4 optical fibers 3 are arranged in the protective sleeve 1, and the 4 optical fibers 3 are uniformly arranged along the circumferential direction of the central reinforcing member; by providing a plurality of optical fibers 3 in the protective sheath 1, a plurality of optical fiber 3 communication lines can be provided at the same time.

Specifically, as shown in fig. 4, the protective sleeve 1 sequentially includes an inner sheath 8, a waterproof material layer 9, a flame retardant material layer 10, and an outer sheath 11 from inside to outside. The inner sheath 8 and the outer sheath 11 are arranged, so that a plurality of optical fibers 3 in the optical cable can be well protected; through setting up waterproof material layer 9, flame retardant material layer 10, can play better waterproof, flame retardant efficiency to the optical cable is inside.

In this embodiment, the inner sheath 8 and the outer sheath 11 are PVC sheaths, LSZH sheaths, or TPU sheaths.

In this embodiment, the central reinforcing member 2 is an FRP central reinforcing member 2, which enhances the tensile resistance of the optical cable, is suitable for indoor wiring, and can be used as a distribution cable.

Specifically, transparent sand grip 6 and mark ring 5 integrated into one piece, stable in structure, transparent sand grip 6 is difficult for breaking away from mark ring 5.

In this embodiment, the transparent protruding strips 6 may be made of transparent polycarbonate plastic, and the polycarbonate is a tough thermoplastic resin, and has the characteristics of flame retardancy, wear resistance, oxidation resistance, and the like.

In this embodiment, when installing information label 7, at first, tear the positive gum film of information label 7 off, paste information label 7 openly again in the bottom surface of transparent sand grip 6, paste the bottom surface of transparent sand grip 6 and mark ring 5 surface again, at last through hot melt technique with the part outside transparent sand grip 6 bottom surface information label 7 with mark ring 5 surface butt fusion (or through gluing joint). The information label 7 is a soft metal label.

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 (7)

1. A multi-core indoor optical cable comprises a protective sleeve, a central reinforcing element and a plurality of optical fibers, wherein the central reinforcing element and the optical fibers are arranged in the protective sleeve; the novel multifunctional protective sleeve is characterized in that a mark ring is sleeved on the outer surface of the protective sleeve, a plurality of transparent raised lines are uniformly distributed on the outer surface of the mark ring along the circumferential direction, and an information label is embedded between the mark ring and the transparent raised lines.

2. A multi-core indoor optical cable as claimed in claim 1, wherein the marker ring is provided in plural, and plural marker rings are arranged at equal intervals in the axial direction of the protective sheath.

3. The multi-core indoor optical cable as claimed in claim 2, wherein each of the marking rings is provided with 6 transparent ribs on an outer surface thereof.

4. The multi-core indoor optical cable as claimed in claim 1, wherein the radial cross-section of the transparent ribs is semicircular.

5. A multi-core indoor optical cable as claimed in claim 1, wherein there are 4 optical fibers in total in the protective sheath, and the 4 optical fibers are uniformly arranged along the circumference of the central strength member.

6. The multi-core indoor optical cable of claim 1, wherein the protective sheath comprises an inner sheath, a waterproof material layer, a flame retardant material layer, and an outer sheath in sequence from inside to outside.

7. The multi-core indoor optical cable as claimed in claim 1, wherein the transparent ribs are integrally formed with the marker ring.

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