CN215067440U - Multipurpose wiring cable - Google Patents

Abstract

The utility model relates to the technical field of cables, in particular to a multipurpose wiring cable, which has simple and reasonable structure, light weight, low cost, small cable outer diameter, high optical fiber density, easy fiber finding and splitting and convenient maintenance; the cable comprises a reinforcement, optical fibers, subunits, a feeder line, a tearing rope, double-protection invisible tight-sleeved optical fibers, water-blocking yarns, a reinforcing belt and an outer sheath, wherein a plurality of groups of subunits are arranged on the periphery of the feeder line, the end faces of the subunits are in a circular shape with fan-shaped grooves symmetrically distributed on the circumference, the reinforcement and the optical fibers are arranged inside the subunits, the water-blocking belts are arranged outside the subunits, the reinforcing belt is arranged outside the water-blocking belts, the outer sheath is arranged outside the reinforcing belt, the double-protection invisible tight-sleeved optical fibers are arranged in gaps between the subunits, the tearing rope is arranged in the gaps between the reinforcing belt and the outer sheath, and the water-blocking yarns are arranged in the gaps between the subunits and the feeder line.

Description

Multipurpose wiring cable

Technical Field

The utility model relates to a technical field of cable especially relates to a multipurpose wiring cable.

Background

With the technology of passive optical networks EPEU and GPOU becoming mature day by day, FTTH network wiring is flourishing, and the FTTH network wiring is widely applied to commercial buildings, residential districts and industrial parks and has comprehensive functions of bearing high-speed internet access, VoIP, IPTV and the like. In the construction of FTTH lines, the transmission medium is an optical cable, including a feeder cable, a distribution cable and a home cable. Generally, outdoor optical cables are mostly adopted as feeder optical cables and distribution optical cables, and indoor optical cables are adopted as house-entry optical cables.

At present, outdoor optical cables enter buildings mostly adopt common layer stranded or central tube type optical cables, reinforcing parts of the optical cables are made of phosphated steel wires or nonmetal, loose tubes in the cables are filled with water-blocking fiber paste, and cable paste is filled in cable core gaps to prevent moisture from invading. The optical fiber cable is internally provided with the fiber paste and the cable paste, so that the cleanness of construction connection is influenced, on the other hand, the fiber paste and the cable paste are all inflammable substances and enter a building from the outdoor, potential safety hazards exist, and the indoor optical cable is provided with a branch optical cable and a distribution optical cable besides the butterfly-shaped lead-in optical cable. The butterfly-shaped leading-in optical cable is mainly used for FTTH (fiber to the home) optical cables.

The prior widely used core only has 1 core or 2 cores, has simple structure and is not easy to be made into a large number of cores; the branch optical cable is used for indoor vertical wiring, is easy to branch and independently use, can bear larger mechanical tension, needs to be cabled for a plurality of times when exceeding 12 cores, and has a overstaffed structure and larger cable diameter; the distribution optical cable is mainly used for indoor horizontal wiring, the cable diameter is small, the structure in the cable is loose, the optical fibers are disordered in sequence, trouble is brought to fiber finding, and large mechanical pulling force and flattening force are not easy to bear.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a this cable simple structure is reasonable, light in weight, low cost, the cable external diameter is little, and optical fiber density will be high, and look for fine, divide fine easy, maintain convenient a multipurpose wiring cable.

The utility model discloses a multipurpose wiring cable, including reinforcement, optic fibre, subunit, feed line, tear the rope, two protect stealthy tight cover optic fibre, the yarn that blocks water, reinforcing area and oversheath, a plurality of groups the subunit is installed in the feed line periphery, the terminal surface of subunit is the circular of having fan-shaped recess symmetric distribution on the circumference, reinforcement and optic fibre are all installed inside the subunit, a plurality of groups the subunit outside is provided with the area that blocks water, the outside at the area that blocks water is installed to the reinforcing area, the oversheath is installed in the outside in reinforcing area, a plurality of groups space department between a plurality of groups subunit is installed to two stealthy tight cover optic fibre that protect, tear the rope and install space department between reinforcing area and oversheath, space department between a plurality of groups subunit and feed line is installed to the yarn that blocks water.

The utility model discloses a multipurpose wiring cable, circular terminal surface center is arranged in to optic fibre in the subunit.

The utility model discloses a multipurpose wiring cable, the optic fibre outside distributes and has two reinforcements, and two sets of reinforcements symmetry are installed on the subunit.

The utility model discloses a multipurpose wiring cable, the line of two sets of reinforcements is mutually perpendicular with the central line of two fan-shaped recesses on the circular shape.

The utility model discloses a multipurpose wiring cable, the cone angle of the fan-shaped recess on the subunit is 34 ~ 38, and the cone angle top is 0.7mm apart from optic fibre.

The utility model discloses a multipurpose wiring cable, the reinforcing band adopts the aramid fiber material.

The utility model discloses a multipurpose wiring cable, a plurality of groups the subunit is through a plurality of group's reinforcements transposition around the center of feed line.

The utility model discloses a multipurpose wiring cable, the reinforcement adopts non-metallic material.

The utility model discloses a multipurpose wiring cable, the material of oversheath adopts and gathers perfluor ethylene propylene.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the structure is the dry-type structure, the pliability is strong, it is compact reasonable, light in weight, the cable external diameter is little, optical fiber density is high, through setting up the yarn that blocks water and block water that the area increases the cable block water and the fire resistance, the sexual valence relative altitude, can be used to indoor multipurpose wiring, also can be used to outdoor distribution optical cable, every subunit can regard as independent unit to introduce the indoor of user difference, the fan-shaped recess design of subunit does benefit to the construction wiring, and look for fine, divide fine easy, use, easy maintenance, because vertically be equipped with non-metallic fiber reinforcing band in the optical fiber cable, the tensile of optical cable has been increased, compressive strength, mechanical properties improves, still can effectively prevent the rat ant to gnaw the cable core when being used for the pipeline laying, and the practicality is improved.

Drawings

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

fig. 2 is a schematic structural diagram of a subunit of the present invention;

in the drawings, the reference numbers: 1. a reinforcement; 2. an optical fiber; 3. a fan-shaped groove; 4. a subunit; 5. A feed line; 6. tearing the rope; 7. double-protection invisible tight-buffered optical fibers; 8. water-blocking yarn; 9. a water blocking tape; 10. a reinforcing band; 11. an outer sheath.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 2, a multipurpose wiring cable of the present invention includes a strength member 1, an optical fiber 2, a subunit 4, a feeder 5, the cable comprises a tearing rope 6, double-protection invisible tight-sleeved optical fibers 7, water blocking yarns 8, a reinforcing tape 10 and an outer sheath 11, wherein a plurality of groups of subunits 4 are arranged on the periphery of a feeder line 5, the end faces of the subunits 4 are circular with sector-shaped grooves 3 symmetrically distributed on the circumference, reinforcing pieces 1 and optical fibers 2 are arranged inside the subunits 4, the water blocking tapes 9 are arranged outside the subunits 4, the reinforcing tape 10 is arranged outside the water blocking tapes 9, the outer sheath 11 is arranged outside the reinforcing tape 10, the double-protection invisible tight-sleeved optical fibers 7 are arranged in gaps between the subunits 4, the tearing rope 6 is arranged in the gaps between the reinforcing tape 10 and the outer sheath 11, and the water blocking yarns 8 are arranged in the gaps between the subunits 4 and the feeder line 5; the utility model discloses the structure is the dry-type structure, the pliability is strong, it is compact reasonable, light in weight, the cable external diameter is little, optical fiber density is high, through setting up the yarn 8 that blocks water and the 9 block water and the fire resistance that increase the cable of area that blocks water, the sexual valence relative altitude, can be used to indoor multipurpose wiring, also can be used to outdoor distribution optical cable, every subunit can regard as independent unit to introduce the indoor that the user is different, the fan-shaped recess 3 design of subunit does benefit to the construction wiring, and look for the fine, divide fine easy, increase the convenience that the cable used and maintained, because vertically be equipped with non-metallic fiber reinforcing band in the optical fiber cable, the tensile of optical cable has been increased, compressive strength, mechanical properties improves, still can effectively prevent when laying for the pipeline that the rat ant from nibbling the cable core, increase the transmission of cable effect, improve the practicality.

As a preference of the above embodiment, the optical fiber 2 in the subunit 4 is placed in the center of the circular end face; through the arrangement, the optical fibers are simple to sort, convenience is brought to follow-up fiber finding and splitting, convenience is improved, and practicability is improved.

As a preferred embodiment of the above embodiment, two reinforcing members 1 are distributed outside the optical fiber 2, and two groups of reinforcing members 1 are symmetrically installed on the subunit 4; through above setting, increase the individual compressive strength of tensile of subunit 4, increase subunit 4 and introduce the indoor result of use that the user is different as independent unit, improve the practicality.

As a preference of the above embodiment, a connecting line of the two groups of reinforcing members 1 is perpendicular to a central connecting line of the two fan-shaped grooves 3 on the circle; through above setting, increase the pliability of cable, improve the practicality.

Preferably, the taper angle of the fan-shaped groove 3 on the subunit 4 is 34-38 degrees, and the tip of the taper angle is 0.7mm away from the optical fiber; through the arrangement, the cable is compact in structure and easy to manufacture, tensile strength and compressive strength of the optical cable are increased, flexibility of the cable is increased, and practicability is improved.

As a preference of the above embodiment, the reinforcing tape 10 is made of aramid fiber; through the setting, aramid fiber material belongs to non-metallic fiber, increases the insulating effect of cable, and the transmission of electricity effect that increases the cable has increased tensile, compressive strength of optical cable, increases mechanical properties, improves the practicality.

As a preference of the above embodiment, several groups of said subunits 4 are twisted around the center of the feeder 5 by several groups of reinforcements 1; through above setting, increase the compactness of cable structure, the external diameter of cable is little, and the density of optic fibre is high, improves the practicality.

As a preference of the above embodiment, the reinforcement 1 is made of a non-metal material; through above setting, increase the flame retardant efficiency of cable, increase the transmission of electricity effect of cable, improve security and practicality.

In the above embodiment, the outer sheath 11 is preferably made of polyperfluorinated ethylene propylene; through the setting, the chemical property of the fluorinated ethylene propylene is stable, only few chemicals react with the fluorinated ethylene propylene, the fluorinated ethylene propylene has excellent heat resistance, thermal stability and insulativity, the fluorinated ethylene propylene has strong wear resistance, the service life of the cable is prolonged, the use cost of the cable is reduced, the use effect of the cable is increased, and the practicability is improved

The utility model discloses a multipurpose wiring cable, it is at the during operation, the utility model discloses a cable structure is the dry-type, full medium non-metallic structure, the structure pliability of cable is strong, it is compact reasonable, light in weight, the cable external diameter is little, optical fiber density is high, through setting up the yarn 8 that blocks water and the fire resistance that blocks water 9 increase the cable, the sexual valence relative altitude, can be used to indoor multipurpose wiring, also can be used to outdoor distribution optical cable, every subunit can be as independent unit to introduce the indoor of user difference, the fan-shaped recess 3 design of subunit does benefit to the construction wiring, and look for fine, divide fine easy, use, it is convenient to maintain, because vertically be equipped with non-metallic fiber reinforcing area in the optical fiber cable, the tensile of optical cable has been increased, compressive strength, mechanical properties improves, still can effectively prevent the ant mouse to sting the cable core when being used for pipeline laying.

The utility model discloses a multipurpose wiring cable, the installation mode, the connection mode or the setting mode are all common mechanical modes, and the multipurpose wiring cable can be implemented as long as the beneficial effects can be achieved; the utility model discloses a water-blocking tape 9 and reinforcing band 10 of multipurpose wiring cable are purchase on the market, and this industry technical staff only need according to its subsidiary operating specification install and operate can.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (9)

1. A multipurpose wiring cable is characterized by comprising a reinforcement (1), optical fibers (2), subunits (4), a feeder line (5), a tearing rope (6), double-protection invisible tight-sleeved optical fibers (7), water blocking yarns (8), a reinforcement tape (10) and an outer sheath (11), wherein a plurality of groups of subunits (4) are arranged on the periphery of the feeder line (5), the end faces of the subunits (4) are circular and provided with fan-shaped grooves (3) which are symmetrically distributed on the circumference, the reinforcement (1) and the optical fibers (2) are both arranged inside the subunits (4), the water blocking tapes (9) are arranged outside the subunits (4) of a plurality of groups, the reinforcement tape (10) is arranged outside the water blocking tapes (9), the outer sheath (11) is arranged outside the reinforcement tape (10), and a plurality of groups of double-protection invisible tight-sleeved optical fibers (7) are arranged in gaps among the subunits (4) of the plurality of groups, the tearing rope (6) is arranged in a gap between the reinforcing belt (10) and the outer sheath (11), and the water blocking yarns (8) are arranged in gaps between the plurality of groups of subunits (4) and the feeder line (5).

2. A utility wiring cable according to claim 1, characterized in that the optical fibers (2) in the subunits (4) are centered in the circular end face.

3. A multipurpose cabling cable according to claim 1, wherein two strength members (1) are distributed outside the optical fibres (2), and wherein the two strength members (1) are symmetrically mounted on the subunit (4).

4. A utility cabling cable according to claim 1, wherein the connection line of the two sets of strength members (1) is perpendicular to the connection line of the centres of the two scallops (3) of the circle.

5. A utility cabling cable according to claim 1, wherein the fan-shaped groove (3) in the subunit (4) has a cone angle of 34 ° to 38 ° and a cone angle tip of 0.7mm from the optical fiber.

6. A utility wiring cable according to claim 1, characterized in that the reinforcing tape (10) is of aramid fiber.

7. A multipurpose cabling cable according to claim 1, wherein several groups of said subunits (4) are twisted around the centre of the feeder (5) by several groups of reinforcements (1).

8. A utility cabling cable according to claim 1, wherein the strength member (1) is made of a non-metallic material.

9. The utility wiring cable as claimed in claim 1, wherein the outer sheath (11) is made of fluorinated ethylene propylene.

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