CN210270293U

CN210270293U - Anti-fracture optical cable

Info

Publication number: CN210270293U
Application number: CN201921030200.6U
Authority: CN
Inventors: 沈辰霖
Original assignee: Ningbo Ingo Electronic Technology Co ltd
Current assignee: Ningbo Ingo Electronic Technology Co ltd
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-04-07
Anticipated expiration: 2029-07-03

Abstract

The utility model relates to an optical cable prevents splitting, include polyethylene protective layer, loose sleeve pipe and install in the intraformational elastic protection layer of polyethylene protective layer, the elastic protection overcoat is located loose sleeve outside of the pipe, the elastic protection layer includes the plastic corrugated pipe who sets up along the even interval of clearance circumference between polyethylene protective layer and the elastic protection layer, there is the clearance between plastic corrugated pipe and the polyethylene protective layer. The utility model discloses have and prevent that the optical cable from breaking off, ensured that outside aerial optical cable can transmit signal's effect steadily at the in-process that uses.

Description

Anti-fracture optical cable

Technical Field

The utility model belongs to the technical field of the technique of optical cable and specifically relates to an optical cable prevents splitting.

Background

Fiber optic cables are currently a type of telecommunication cable assembly that utilizes one or more optical fibers disposed in a surrounding jacket as a transmission medium and that can be used individually or in groups. The existing optical cable generally comprises an optical fiber, a sleeve filler, a loose sleeve, a water blocking material, a plastic coated steel strip, a polyethylene sheath, a metal reinforcing piece and a filling pipe, wherein the loose sleeve is sleeved outside the optical fiber, factice is filled inside the optical fiber, and the loose sleeve is sequentially coated with the water blocking material and the polyethylene sheath.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an optical cable prevents splitting has and has reduced the cracked probability of optical cable emergence, has ensured the effect that outside aerial [ insulated ] cable can transmit signal at the in-process that uses steadily.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides an optical cable prevents splitting, includes polyethylene protective layer, loose tube and installs in the intraformational elastic protection layer of polyethylene protective layer, the elastic protection overcoat is located loose tube is outside, the elastic protection layer includes the plastic corrugated pipe who sets up along the even interval of clearance circumference between polyethylene protective layer and the elastic protection layer, there is the clearance between plastic corrugated pipe and the polyethylene protective layer.

Through adopting above-mentioned technical scheme, set up plastic corrugated pipe in the polyethylene protective layer, when the optical cable is receiving the impact, the plastic corrugated pipe that is located the polyethylene protective layer takes place to deform to offset some towards produced impact force, reduced the optical cable to a certain extent and taken place deformation and cracked probability under the external impact, thereby promoted the life of optical cable, prevented that the optical cable from breaking, ensured that outside aerial [ insulated ] cable can transmit signal steadily at the in-process that uses.

The utility model discloses further set up to: the top and the bottom of the plastic corrugated pipe are both provided with protective cambered surfaces, and the plastic corrugated pipe is spliced with a structural reinforcing rod.

Through adopting above-mentioned technical scheme, all set up the protection cambered surface at plastic corrugated pipe's top and bottom for the contact surface between plastic corrugated pipe and the polyethylene protective layer is the cambered surface, and when plastic corrugated pipe takes place to buckle, the contact surface between plastic corrugated pipe and the polyethylene protective layer is more slick and sly, has reduced the interference that produces between ripple on the plastic corrugated pipe and the polyethylene protective layer.

The utility model discloses further set up to: and protective filler is filled between the plastic corrugated pipe and the polyethylene protective layer.

Through adopting above-mentioned technical scheme, pack the protection filler between plastic corrugated pipe and polyethylene protective layer to make the protection oil reservoir can realize the insulating nature between plastic corrugated pipe and the polyethylene protective layer, and can further promote plastic corrugated pipe's shock resistance through the protection filler.

The utility model discloses further set up to: the elastic protective layer further comprises a protective iron wire arranged between the adjacent elastic protective layers, and a mounting hole for mounting the protective iron wire is formed in the polyethylene protective layer.

Through adopting above-mentioned technical scheme, through setting up the protection iron wire to too big when the impact that receives, surpassed plastic corrugated pipe's the furthest behind bearing limit, can support through the protection iron wire and keep off partly by the produced shear force of impact force, thereby reduced the probability that the optical cable breaks down under huge impact force.

The utility model discloses further set up to: the diameter of the protection iron wire is smaller than 1 mm.

Through adopting above-mentioned technical scheme, the diameter that will protect the iron wire is less than 1mm to reduced the influence of protection iron wire to the total quality of optical cable, reduced and set up the influence that protection iron wire was laid to the optical cable in the optical cable inside.

The utility model discloses further set up to: the inside of elasticity inoxidizing coating is provided with the plasticity inoxidizing coating, the plasticity inoxidizing coating is for setting up the resistance to compression bellows between loose sleeve pipe and polyethylene protective sheath, the inner wall of resistance to compression bellows is a plane, the outer wall of resistance to compression bellows is the corrugate.

Through adopting above-mentioned technical scheme, set up the inoxidizing coating of reviving in the inside of elasticity inoxidizing coating, the plastic protection layer is the resistance to compression bellows to further reduced the optical cable and taken place bending fracture's probability under the effect of external force.

The utility model discloses further set up to: the lateral wall of resistance to compression bellows is provided with the location anchor ring, and is adjacent be provided with the annular of buckling between the anchor ring.

Through adopting above-mentioned technical scheme, set up to the location anchor ring at the lateral wall of resistance to compression bellows to increased the area of contact between resistance to compression bellows and the polyethylene sheath, reduced the optical cable when taking place to warp, the pressure between polyethylene sheath and the resistance to compression bellows, and through set up the annular of buckling between the anchor ring, thereby make the optical cable can carry out normal rolling, and have certain anti deformability, further promoted the structural strength of optical cable.

The utility model discloses further set up to: and the bottom of the bent ring groove is provided with a pressure-resistant arc surface.

Through adopting above-mentioned technical scheme, set up the resistance to compression cambered surface in the bottom of bending the annular, further promoted the resistance to deformation ability of resistance to compression bellows to further reduced the cracked probability of optical cable in the use.

To sum up, the utility model discloses a beneficial technological effect does:

1. the anti-fracture optical cable has the advantages that the elastic protective layer is arranged, so that the probability of fracture of the optical cable is reduced, and the effect that an external aerial optical cable can stably transmit signals in the using process is ensured;

2. the utility model has the effect of further reducing the probability of fracture of the optical cable by arranging the protective iron wire;

3. above-mentioned utility model has the extrusion of offsetting a part through setting up the resistance to compression bellows to it is the effect of taking place to warp and breaking to have reduced the optical cable and receiving the extrusion.

Drawings

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

Fig. 2 is a schematic sectional structure of the present invention.

In the figure, 1, a polyethylene protective layer; 11. mounting holes; 2. loosening the sleeve; 3. an optical fiber assembly; 31. an optical fiber body; 32. assembling a water jacket; 33. protective ointment; 4. a water blocking material; 5. an elastic protective layer; 51. a plastic bellows; 511. a structural reinforcement bar; 512. protecting the arc surface; 52. protecting iron wires; 53. a compression resistant bellows; 531. a positioning ring surface; 532. the ring groove is bent.

Detailed Description

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

Referring to fig. 1, the anti-fracture optical cable comprises a polyethylene protective layer 1, a loose tube 2, an optical fiber assembly 3, a water blocking material 4 and an elastic protective layer 5 arranged in the polyethylene protective layer 1.

Referring to fig. 1, the optical fiber assembly 3 includes an optical fiber body 31, a water blocking jacket 32 sleeved outside the optical fiber body 31, and a protective grease 33 filled between the water blocking jacket 32 and the optical fiber body 31. The water blocking material 4 is filled between the loose tube 2 and the set water jacket 32.

Referring to fig. 1, the elastic protection layer 5 is disposed between the loose tube 2 and the polyethylene protection layer 1, and the elastic protection layer 5 includes a plastic corrugated tube 51 and a protection iron wire 52 installed between adjacent elastic protection layers 5.

Referring to fig. 1, the plastic corrugated pipes 51 are uniformly arranged along the circumferential direction of the gap between the polyethylene protective layer 1 and the elastic protective layer 5 at intervals, a gap exists between the plastic corrugated pipes 51 and the polyethylene protective layer 1, and the structural reinforcing rods 511 are inserted into the plastic corrugated pipes 51.

Referring to fig. 1 and fig. 2, the inner wall and the outer wall of the plastic corrugated pipe 51 are both provided with protection arc surfaces 512, and when the plastic elastic corrugated pipe receives impact, the plastic elastic corrugated pipe can not only resist pressure deformation of the plastic elastic corrugated pipe, but also provide certain bending deformation resistance, so that the optical cable can be protected to a certain extent when the optical cable receives impact. And protective filler is filled between the plastic corrugated pipe 51 and the polyethylene protective layer 1. In this embodiment, the material of the protective filler is preferably an optical cable ointment.

Referring to fig. 1, a mounting hole 11 for mounting a protection iron wire 52 is formed in a polyethylene protective layer 1 of an elastic protective layer 5, the protection iron wire 52 is mounted in the polyethylene protective layer 1, and the diameter of the protection iron wire 52 is smaller than 1 mm.

Referring to fig. 1 and 2, a plastic protective layer is disposed inside the elastic protective layer 5, the plastic protective layer is a compression-resistant corrugated pipe 53 disposed between the loose tube 2 and the polyethylene protective sleeve, an inner wall of the compression-resistant corrugated pipe 53 is a plane, an outer wall of the compression-resistant corrugated pipe 53 is corrugated, and a gap exists between the compression-resistant corrugated pipe 53 and the loose tube 2.

The side wall of the pressure-resistant corrugated pipe 53 is provided with positioning ring surfaces 531, a bending ring groove 532 is arranged between the adjacent positioning ring surfaces 531, and the top of the bending ring groove 532 is provided with a pressure-resistant arc surface. In the present embodiment, the material of the pressure-resistant bellows 53 is preferably rubber.

Leave the clearance and set up the resistance to compression cambered surface in the outside of bellows between resistance to compression bellows 53 and pine sleeve pipe 2, when resistance to compression bellows 53 takes place extrusion deformation, can reduce the impact that produces to inside optic fibre 3 to the probability that the optic cable takes place to warp under the effect of pressure and shear force has been reduced.

The use principle of the embodiment is as follows: set up plastic corrugated pipe 51 in polyethylene protective layer 1, when the optical cable is receiving the impact, the plastic corrugated pipe 51 that is located polyethylene protective layer 1 takes place deformation to offset partly towards produced impact force, reduced the optical cable and taken place the probability that warp and fracture under external impact to a certain extent, thereby promoted the life of optical cable.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an optical cable prevents splitting, includes polyethylene protective layer (1), pine sleeve pipe (2), its characterized in that: still including installing in elasticity inoxidizing coating (5) in polyethylene protective layer (1), elasticity inoxidizing coating (5) cover is located outside loose tube (2), elasticity inoxidizing coating (5) include along plastic corrugated pipe (51) that the even interval in clearance circumference between polyethylene protective layer (1) and elasticity inoxidizing coating (5) set up, there is the clearance between plastic corrugated pipe (51) and polyethylene protective layer (1).

2. The rupture-resistant optical cable according to claim 1, wherein: the top and the bottom of the plastic corrugated pipe (51) are both provided with protective cambered surfaces (512), and a structural reinforcing rod (511) is inserted into the plastic corrugated pipe (51).

3. The rupture-resistant optical cable according to claim 2, wherein: and protective filler is filled between the plastic corrugated pipe (51) and the polyethylene protective layer (1).

4. A breakage-proof optical cable according to claim 3, wherein: the elastic protection layer (5) further comprises protection iron wires (52) arranged between the adjacent elastic protection layers (5), and mounting holes (11) for mounting the protection iron wires (52) are formed in the polyethylene protection layer (1).

5. The rupture-resistant optical cable according to claim 4, wherein: the diameter of the protective iron wire (52) is less than 1 mm.

6. The rupture-resistant optical cable according to claim 5, wherein: the inside of elasticity inoxidizing coating (5) is provided with the plasticity inoxidizing coating, the compression resistance bellows (53) of plasticity inoxidizing coating for setting up between loose tube (2) and polyethylene protective sheath, the inner wall of compression resistance bellows (53) is a plane, the outer wall of compression resistance bellows (53) is the corrugate.

7. The rupture-resistant optical cable according to claim 6, wherein: the lateral wall of resistance to compression bellows (53) is provided with location anchor ring face (531), and is adjacent be provided with between location anchor ring face (531) bending ring groove (532).

8. The rupture-resistant optical cable according to claim 7, wherein: the bottom of the bending ring groove (532) is provided with a pressure-resistant arc surface.