CN210427891U

CN210427891U - Easily-branched micro optical cable

Info

Publication number: CN210427891U
Application number: CN201921445610.7U
Authority: CN
Inventors: 潘跃
Original assignee: Jinhua Zhongke Communication Technology Co ltd
Current assignee: Jinhua Zhongke Communication Technology Co ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-04-28
Anticipated expiration: 2029-09-02

Abstract

The utility model relates to an optical cable field discloses a miniature optical cable of easily branching, including the oversheath, set up at the reinforcement at oversheath center and around a plurality of branch's cable that reinforcement circumference set up between oversheath and reinforcement, branch's cable is including dividing sheath and microbeam pipe, divide the sheath to wrap up outside microbeam pipe and the crisscross protruding card strip that is equipped with in both sides interval of branch sheath, the crisscross interference joint cooperation each other of adjacent card strip that divides the sheath, the card strip that divides the sheath both sides to set up can make two arbitrary branch's cable mutual joint fixed or split, the split is very nimble, this miniature optical cable of easily branching branch is quick, in a flexible way, the management of being convenient for.

Description

Easily-branched micro optical cable

Technical Field

The utility model relates to an optical cable field especially relates to an easily-branched miniature 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. With the arrival of the optical communication era, optical cables are popularized in households, and further the problem of wiring in households comes along with the optical cables, particularly large residential areas and floor commercial buildings are large in number of related cores, so that wiring is disordered and disordered, the life or office environment of residents is seriously influenced, even unnecessary potential safety hazards can be generated, and dangerous accidents such as casualties or facility damage can be caused.

Based on the above problems, a batch of branch optical cables, generally a main rod and a plurality of branch structures, can be branched according to requirements, for example, chinese patent with publication number CN207908754U discloses a multi-core branch dry type drop optical cable, which comprises a micro-beam tube, a reinforcement and an outer sheath, wherein the reinforcement is located at two symmetrical sides of the micro-beam tube, the outer sheath wraps the outer sides of the reinforcement and the micro-beam tube and forms branch cables, the number of the branch cables is a plurality of branch cables and encloses into a circumference shape, the reinforcement is located at the center of the circumference shape enclosed by the plurality of branch cables, and each branch cable is connected with the reinforcement.

Once the branch cables are separated from the reinforcing part to form separate individuals, the individual individuals cannot be assembled with each other, the excessively split branch cables are scattered, the number of branches required is accurately calculated before each splitting, the waste of branch time is caused, and the flexibility of the branches is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the poor shortcoming of prior art branch optical cable branch flexibility, provide an easily-branched miniature optical cable.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

the utility model provides an easily branch miniature optical cable, includes the oversheath, sets up the reinforcement at oversheath center and around a plurality of branch cables that reinforcement circumference set up between oversheath and reinforcement, branch cable is including dividing sheath and microbeam pipe, divides the sheath to wrap up outside the microbeam pipe and divide the both sides interval of sheath to crisscross protruding the card strip that is equipped with, adjacent card strip that divides the sheath crisscross interference joint cooperation each other.

Adopt above-mentioned scheme, compare with the comparison file, the utility model discloses the card strip that the branch sheath both sides of well branch cable set up can make two arbitrary branch cables joint combination or splits each other, and the split is very nimble, in case the split number is too much, can mutually can connect the combination together with the branch cable that goes out, and the management of being convenient for avoids the branch cable that excessively branches to lay scattered indiscriminate phenomenon and takes place, and this easy branch miniature optical cable branch is quick, nimble, the management of being convenient for.

Preferably, the branch cable further comprises a reinforcing part, and the reinforcing part is positioned in the branch sheath and symmetrically arranged around the micro-bundle tube.

Adopt above-mentioned scheme, the intensity of branch's cable is increased in the setting of reinforcement, and branch's cable can lose the protection of one deck oversheath in case after the branch, and the life of branch's cable can effectively be prolonged in the setting of reinforcement.

Preferably, the branch cables are distributed with at least one layer from the strength member outwards.

By adopting the scheme, the number of the branch cables contained in each optical cable can be increased by arranging the plurality of layers of branch cables, more branch cables can be managed at one time, and the management efficiency of the branch cables is improved.

As preferred, the reinforcement overcoat is equipped with the protective sheath, and the protective sheath with divide and be provided with detachable construction between the sheath, this detachable construction include the protective sheath or divide the recess that sets up on the sheath and divide the sheath or the protruding sand grip of establishing with the recess cooperation grafting on the protective sheath.

By adopting the scheme, the protective sleeve and the detachable structure between the branch protective sleeves increase the overall connectivity on the one hand, and are convenient for branching.

Preferably, the reinforcement is a steel wire.

By adopting the scheme, the steel wire has great strength while having flexibility, so that the overall strength of the optical cable can be effectively increased, and the breakage of the optical cable is avoided.

Preferably, the reinforcement is made of 0.5 × 0.58mm glass fiber reinforced plastic or 0.45mm phosphated steel wire.

By adopting the scheme, the Glass fiber reinforced plastic, namely the fiber reinforced plastic, is a composite material prepared by using Glass fiber reinforced unsaturated polyester, epoxy resin and phenolic resin matrix, Glass fiber (Glass fiber), carbon fiber or boron fiber and the like as reinforcing materials and performing a composite process, and has light weight and high strength. The branch cable has the advantages of corrosion resistance, good thermal property and the like, and can effectively increase the strength and prolong the service life of the branch cable; the phosphatized steel wire is a steel wire subjected to phosphating treatment, the surface of the phosphatized steel wire is gray, the hydrogen loss is not increased after the phosphatized steel wire is cabled, the phosphatized steel wire is not rusted, the strength is high, and the phosphatized steel wire plays roles in supporting and tensile strength in an optical cable.

Preferably, the outer sheath, the sub-sheath, the protective sleeve and the plastic sheathing layer are made of low-smoke halogen-free materials.

By adopting the scheme, the traditional PVC material volatilizes a large amount of gas (hydrogen chloride) with high toxicity and corrosivity after being combusted, generates high-toxicity thick smoke, and the low-smoke halogen-free material has excellent short-circuit load capacity while having no halogen, low smoke and flame retardance.

Preferably, the outer wall of the outer sheath is provided with V-shaped grooves which are easy to branch at intervals in the circumferential direction.

By adopting the scheme, the thickness of the outer sheath can be reduced after the V-shaped groove is formed, and the outer sheath can be conveniently stripped.

The utility model discloses owing to adopted above technical scheme, have apparent technological effect: the clamping strips arranged on the two sides of the branch sheath of the branch cable can enable any two branch cables to be mutually clamped and combined or split, and the splitting is very flexible; the arrangement of the reinforcing part can effectively prolong the service life of the branch cable; the branch cable sets up the branch cable quantity that the multilayer can increase every optical cable and contain, can manage more branch cables once, improves the managerial efficiency of branch cable, and this miniature optical cable branch of easily branching is quick, nimble, the management of being convenient for.

Drawings

Fig. 1 is a cross-sectional view of an easy-to-branch micro optical cable in example 1 of the present invention;

fig. 2 is a cross-sectional view of an easy-to-branch micro optical cable according to embodiment 2 of the present invention;

fig. 3 is a schematic view of a branched cable according to embodiment 2 of the present invention;

fig. 4 is a cross-sectional view of an easy-to-branch micro optical cable according to embodiment 3 of the present invention;

fig. 5 is a schematic view of a branched cable according to embodiment 3 of the present invention.

The names of the parts indicated by the numerical references in the above figures are as follows: 1. an outer sheath; 101. a V-shaped groove; 2. A reinforcement; 3. a protective sleeve; 4. dividing a sheath; 5. clamping the strip; 6. a reinforcement; 7. an optical fiber; 8. plastic coating; 9. and (4) raised strips.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

The utility model provides an easily branch miniature optical cable, as shown in figure 1, including oversheath 1, set up at the reinforcement 2 at oversheath 1 center and around a plurality of branch cables that reinforcement 2 circumference set up between oversheath 1 and reinforcement 2, oversheath 1 outer wall circumference interval is provided with easily branched V-arrangement groove 101, reinforcement 2 adopts 0.5 0.58 mm's glass steel or phi 0.45 mm's phosphating steel wire, 2 overcoat of reinforcement are equipped with protective sheath 3, oversheath 1 and reinforcement 2 are circular setting.

The branch cable is including dividing sheath 4, reinforcement 6 and microbeam pipe, wherein, divides sheath 4 to wrap up outside microbeam pipe and reinforcement 6, divides sheath 4 wholly to be fan-shaped distribution, and divides the crisscross protruding card strip 5 that is equipped with in both sides interval of sheath 4, and adjacent card strip 5 that divides sheath 4 interlocks interference joint cooperation each other. The micro-beam tube comprises a plurality of optical fibers 7 and a plastic coating 8, the plastic coating 8 wraps the outer sides of the optical fibers 7, the reinforcing part 6 is made of steel wires, and the reinforcing part 6 is positioned in the branch sheath 4 and symmetrically arranged around the micro-beam tube.

The outer sheath 1, the branch sheath 4, the protective sheath 3 and the plastic sheathing layer 8 are all made of low-smoke halogen-free materials.

The utility model discloses a tubular structure of "a mobile jib, a plurality of branches" can joint or split each other through card strip 5 between each branch's cable, and the installation is nimble changeable more, and the branch cable of too much split can be fixed by the joint again, easy management.

Example 2

Compared with embodiment 1, the difference of this embodiment lies in that the branch cable distributes from reinforcement 2 outwards has at least one deck, as shown in fig. 2-3, this embodiment is provided with 2 decks, because the setting of card strip 5, the branch cable can use reinforcement 2 to set up outwards layer by layer as the center, and can split each other or the joint is fixed, increases the quantity of branch cable, and the branch is nimble, easy management.

Example 3

Compare in embodiment 1 and embodiment 2, set up detachable construction at protective sheath 3 and between branch protective sheath 4, refer to fig. 4-5 and show, this detachable construction includes protective sheath 3 or divides the recess that sets up on protective sheath 4 and divide on protective sheath 4 or the protective sheath 3 protruding sand grip 9 of establishing and groove cooperation grafting, in this embodiment, sand grip 9 sets up in dividing protective sheath 4 bottom, be provided with on the protective sheath 3 with sand grip 9 complex recess, detachable construction is convenient for divide the fixed or split between protective sheath 4 and the protective sheath 3, improve the flexibility of split.

Claims

1. An easily-branched miniature optical cable is characterized in that: including oversheath (1), set up at reinforcer (2) at oversheath (1) center and around a plurality of branch cables that reinforcer (2) circumference set up between oversheath (1) and reinforcer (2), branch cable is including dividing sheath (4) and microbeam pipe, divides sheath (4) to wrap up outside the microbeam pipe and divide the both sides interval of sheath (4) protruding card strip (5) that are equipped with alternately, adjacent card strip (5) of dividing sheath (4) interlock interference joint cooperation each other.

2. The optical micro cable according to claim 1, wherein: the branch cable further comprises a reinforcing piece (6), and the reinforcing piece (6) is located in the branch sheath (4) and symmetrically arranged on the periphery of the micro-beam tube.

3. The optical micro cable according to claim 2, wherein: at least one layer of branch cable is distributed outwards from the reinforcing part (2).

4. The optical micro cable according to claim 1, wherein: the outer sleeve of the reinforcing piece (2) is provided with a protective sleeve (3), a detachable structure is arranged between the protective sleeve (3) and the branch protective sleeve (4), and the detachable structure comprises the protective sleeve (3) or a groove arranged on the branch protective sleeve (4) and a convex strip (9) which is arranged on the branch protective sleeve (4) or the protective sleeve (3) in a protruding mode and is connected with the groove in a matched mode in an inserting mode.

5. The optical micro cable according to claim 1, wherein: the reinforcing member (6) is a steel wire.

6. The optical micro cable according to claim 1, wherein: the reinforcing member (2) is made of 0.5-0.58 mm glass fiber reinforced plastic or 0.45mm phosphated steel wire.

7. The optical micro cable according to claim 1, wherein: the outer sheath (1), the sub-sheath (4), the protective sheath (3) and the plastic sheathing layer (8) are all made of low-smoke halogen-free materials.

8. The optical micro cable according to claim 1, wherein: v-shaped grooves (101) which are easy to branch are arranged on the outer wall of the outer sheath (1) at intervals in the circumferential direction.