CN210924029U

CN210924029U - Novel optical fiber jumper wire

Info

Publication number: CN210924029U
Application number: CN201921975421.0U
Authority: CN
Inventors: 吴娟
Original assignee: Suzhou State Road Communication Technology Co ltd
Current assignee: Suzhou State Road Communication Technology Co ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-07-03
Anticipated expiration: 2029-11-15

Abstract

The utility model discloses a novel optical fiber jumper wire, the optical fiber jumper wire comprises a jumper wire body and connectors fixedly connected with two ends of the jumper wire body, the jumper wire body comprises an optical fiber wire harness, a shielding layer coating the optical fiber wire harness, a polypropylene sleeve wrapped outside the shielding layer, a water blocking material layer wrapped outside the polypropylene sleeve, a Teflon adhesive tape layer wrapped outside the water blocking material layer, an armor layer wrapped outside the Teflon adhesive tape layer, an inner sheath layer wrapped outside the armor layer and an outer sheath layer wrapped outside the inner sheath layer, at least two steel wires parallel to the length direction of the jumper wire body are arranged in the inner sheath layer; the optical fiber wire harness comprises a plurality of optical fiber wire cores, a first polyvinyl chloride insulating sleeve layer coated outside the plurality of optical fiber wire cores, a nylon net layer coated outside the first polyvinyl chloride insulating sleeve layer, and a second polyvinyl chloride insulating sleeve layer coated outside the nylon net layer.

Description

Novel optical fiber jumper wire

Technical Field

The utility model relates to a novel optical fiber jumper wire.

Background

The existing optical fiber patch cord is poor in overall strength, easy to break when stressed and stretched, poor in high-temperature resistance and easy to conduct a fire source when a fire disaster occurs.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's above-mentioned defect, provide a novel optical fiber jumper wire.

The utility model provides a technical scheme that its technical problem adopted is: constructing a novel optical fiber jumper wire, wherein the optical fiber jumper wire comprises a jumper wire body and connectors fixedly connected to two end parts of the jumper wire body, the jumper wire body comprises an optical fiber wire harness, a shielding layer coating the optical fiber wire harness, a polypropylene sleeve coated outside the shielding layer, a water-blocking material layer coated outside the polypropylene sleeve, a Teflon adhesive tape layer wound outside the water-blocking material layer, an armor layer coated outside the Teflon adhesive tape layer, an inner sheath layer coated outside the armor layer and an outer sheath layer coated outside the inner sheath layer, and at least two steel wires parallel to the length direction of the jumper wire body are arranged in the inner sheath layer;

the optical fiber wire harness comprises a plurality of optical fiber wire cores, a first polyvinyl chloride insulating sleeve layer coated outside the plurality of optical fiber wire cores, a nylon net layer coated outside the first polyvinyl chloride insulating sleeve layer, and a second polyvinyl chloride insulating sleeve layer coated outside the nylon net layer.

In the novel optical fiber jumper wire, the shielding layer is a plastic-coated aluminum tape or a copper wire net pipe coated outside the Teflon adhesive tape layer, and the armor layer is a plastic-coated steel tape coated outside the water-resistant material layer.

In the novel optical fiber patch cord of the present invention, the water blocking material layer is a silicone rubber layer.

In the novel optical fiber patch cord of the present invention, a filler is disposed in the first polyvinyl chloride insulating jacket layer.

In the novel optical fiber patch cord of the present invention, the filler is a glass fiber filler.

Novel optical fiber jumper in, this inner sheath layer and oversheath layer are the polyethylene sheath, the thickness on this inner sheath layer is greater than the thickness on this oversheath layer.

Implement the utility model discloses a novel optical fiber jumper wire has following beneficial effect: use the utility model discloses a during novel optic fibre wire jumper, through setting up two piece at least steel wires in the inner sheath layer, when the wire jumper body is stretched, can play the stretch-proofing effect, prevent that the wire jumper body from splitting easily. Furthermore, the shielding layer is arranged, so that the electromagnetic signal shielding effect is achieved, and mutual interference is prevented. The water-blocking material layer is arranged, so that the water discharging effect is achieved. The Teflon adhesive tape layer plays a role in flame retardance and high temperature resistance. Through setting up the armor, the anti extrusion strength of multiplicable wire jumper body plays the effect that prevents the insect pest and sting simultaneously. Through setting up the oversheath layer, can prevent to inlay the inner sheath layer fracture that is equipped with the steel wire and influence the holistic use of wire jumper body. Furthermore, the nylon net layer is coated outside the optical fiber wire harness, so that the tensile strength of the optical fiber wire harness can be improved.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is a schematic structural diagram of the optical fiber patch cord of the present invention;

fig. 2 is the cross section structure schematic diagram of the jumper wire body in the optical fiber jumper wire of the utility model.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

As shown in fig. 1, in a first embodiment of the novel optical fiber jumper of the present invention, the optical fiber jumper 1 includes a jumper body 2 and connectors 16 fixedly connected to two ends of the jumper body 2, the jumper body 2 includes an optical fiber harness 3, a shielding layer 4 covering the optical fiber harness 3, a polypropylene sleeve 5 covering the shielding layer 4, a water-blocking material layer 6 covering the polypropylene sleeve 5, a teflon tape layer 7 wrapping the water-blocking material layer 6, an armor layer 8 covering the teflon tape layer 7, an inner sheath layer 9 covering the armor layer 8, and an outer sheath layer 10 covering the inner sheath layer 9, wherein at least two steel wires 11 parallel to the length direction of the jumper body 2 are disposed in the inner sheath layer 9;

the optical fiber harness 3 includes a plurality of optical fiber cores 12, a first polyvinyl chloride insulating sheath layer 13 covering the plurality of optical fiber cores 12, a nylon mesh layer 14 covering the first polyvinyl chloride insulating sheath layer 13, and a second polyvinyl chloride insulating sheath layer 15 covering the nylon mesh layer 14.

Use the utility model discloses a during novel optical fiber jumper wire 1, through setting up two piece at least steel wires 11 in inner sheath layer 9, when jumper wire body 2 is stretched, can play the stretch-proofing effect, prevent that jumper wire body 2 from breaking easily. Furthermore, the shielding layer 4 is arranged to play a role in shielding electromagnetic signals and prevent mutual interference. The water blocking material layer 6 is arranged to play a role in draining water. The Teflon adhesive tape layer 7 plays a role in flame retardance and high temperature resistance. Through setting up armor 8, the 2 anti extrusion strength of multiplicable wire jumper body plays the effect that prevents the insect pest and sting simultaneously. Through setting up oversheath layer 10, can prevent to inlay the inner sheath layer 9 fracture that is equipped with steel wire 11 and influence the holistic use of wire jumper body 2. Further, the nylon mesh layer 14 is coated outside the optical fiber bundle 3, so that the tensile strength of the optical fiber bundle 3 can be increased.

Specifically, the shielding layer 4 is a plastic-coated aluminum tape or a copper wire mesh tube coated outside the teflon adhesive tape layer 7, and the armor layer 8 is a plastic-coated steel tape coated outside the water-blocking material layer 6. The water blocking material layer 6 is a silicone rubber layer.

Furthermore, the first pvc insulating jacket layer 13 is filled with filler. Preferably, the fillers are all glass fiber fillers.

In the present embodiment, the inner sheath layer 9 and the outer sheath layer 10 are both polyethylene sheaths, and the thickness of the inner sheath layer 9 is greater than that of the outer sheath layer 10. The at least two steel wires 11 are fixedly embedded in the inner sheath layer 9 by means of extrusion molding.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A novel optical fiber jumper wire is characterized in that the optical fiber jumper wire comprises a jumper wire body and connectors fixedly connected to two end portions of the jumper wire body, wherein the jumper wire body comprises an optical fiber wire harness, a shielding layer wrapping the optical fiber wire harness, a polypropylene sleeve wrapped outside the shielding layer, a water blocking material layer wrapped outside the polypropylene sleeve, a Teflon adhesive tape layer wrapped outside the water blocking material layer in a winding manner, an armor layer wrapped outside the Teflon adhesive tape layer, an inner sheath layer wrapped outside the armor layer, and an outer sheath layer wrapped outside the inner sheath layer, and at least two steel wires parallel to the length direction of the jumper wire body are arranged in the inner sheath layer;

2. The novel optical fiber patch cord according to claim 1, wherein the shielding layer is a plastic-coated aluminum tape or a copper wire mesh pipe coated outside the Teflon adhesive tape layer, and the armor layer is a plastic-coated steel tape coated outside the water-blocking material layer.

3. The novel optical fiber patch cord according to claim 1, wherein the water blocking material layer is a silicone rubber layer.

4. The novel optical fiber patch cord according to claim 1, wherein a filler is disposed in the first polyvinyl chloride insulating jacket layer.

5. The novel optical fiber patch cord according to claim 4, wherein the fillers are all glass fiber fillers.

6. The novel optical fiber jumper of claim 1, wherein the inner jacket layer and the outer jacket layer are both polyethylene jackets, and the thickness of the inner jacket layer is greater than the thickness of the outer jacket layer.