CN213457458U

CN213457458U - Optical cable with dampproofing function

Info

Publication number: CN213457458U
Application number: CN202021570885.6U
Authority: CN
Inventors: 徐青青
Original assignee: NINGBO TIANLI COMMUNICATION TECHNOLOGY CO LTD
Current assignee: NINGBO TIANLI COMMUNICATION TECHNOLOGY CO LTD
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-06-15
Anticipated expiration: 2030-07-31

Abstract

The utility model relates to an optical cable technical field specifically is an optical cable with dampproofing function, include: the sheath, the inside aluminium cover that is provided with of sheath, the inside central point of aluminium cover puts and is provided with tensile piece, tensile piece encircles all around and is provided with six groups of optic fibre, the outside cladding of optic fibre has the sleeve pipe, the intussuseption of sheathed tube portion is filled with the oleamen, the inside packing of aluminium cover has the cable core filler, the cladding of cable core filler is outside the sleeve pipe, the sheath includes the wearing layer, waterproof layer and rubber layer, the wearing layer is located the outside of waterproof layer, the rubber layer is located inside the waterproof layer, the wearing layer is the polymer polyethylene material, the waterproof layer is the modified asphalt waterproof layer, the utility model discloses a set up the wearing layer of sheath skin preparation for adopting the polymer polyethylene material to make and set up the inlayer into the rubber layer to and set up the waterproof layer between skin and the inlayer, the waterproof layer can.

Description

Optical cable with dampproofing function

Technical Field

The utility model relates to an optical cable technical field specifically is an optical cable with dampproofing function.

Background

With the continuous development of the communication industry, optical cables are widely applied, and a commonly used layer-stranded optical cable generally comprises a cable core, a cable core protective layer and a sheath; the cable core is formed by twisting a plurality of loose tubes containing optical fibers around a central reinforcing core, and when the required number of cores is less, a filling rope can be used for replacing part of the loose tubes, and all or part of gaps in the cable core can be filled with water-blocking materials; the cable core protective layer can be made of water-blocking materials, steel belts, aluminum belts and the like, and can even be a composite layer formed by coating the steel belts or the aluminum belts with plastic protective layers and a further composite layer formed by coating the protective layers with materials such as steel wires, steel belts or aluminum belts and the like; the sheath is usually plastic, and polyethylene, low smoke zero halogen polyethylene and the like are commonly used. The traditional optical cable has certain water resistance, but the performances of the traditional optical cable in the aspects of heat insulation, moisture resistance, compression resistance, tensile strength and the like need to be enhanced, so that the optical cable with the moisture resistance function is provided to well solve the defects.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an optical cable with dampproofing function to solve the problem that proposes among the above-mentioned background art.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: an optical cable having a moisture-proof function, comprising: the sheath, the inside aluminium cover that is provided with of sheath, the inside central point of aluminium cover puts and is provided with tensile piece, tensile piece encircles all around and is provided with six groups of optic fibre, the outside cladding of optic fibre has the sleeve pipe, the optic fibre intussuseption of intraduct is filled with the oleamen, the inside packing of aluminium cover has the cable core filler, the cable core filler cladding is in the sleeve pipe outside.

Further, the sheath comprises a wear-resistant layer, a waterproof layer and a rubber layer, wherein the wear-resistant layer is located outside the waterproof layer, and the rubber layer is located inside the waterproof layer.

Furthermore, the wear-resistant layer is made of high-molecular polyethylene material, and the waterproof layer is a modified asphalt waterproof layer.

Further, the aluminium cover evenly is provided with a plurality of resistance to compression archs for the outer wall, the resistance to compression is protruding to be set up with aluminium cover integrated into one piece, the protruding semicircular in cross section that is of resistance to compression, and the resistance to compression arch hugs closely in the sheath inner wall.

Furthermore, the aluminum sleeve and the compression-resistant bulge are both made of high-strength aluminum alloy materials.

Furthermore, the steel rope is arranged at the center inside the tensile piece, the rubber sleeve is arranged outside the steel rope, a plurality of clamping rings distributed at equal intervals are formed outside the rubber sleeve along the length direction of the rubber sleeve, and the diameter of each clamping ring is larger than that of the rubber sleeve.

Compared with the prior art, the utility model provides an optical cable with dampproofing function possesses following beneficial effect:

1. the utility model discloses, through set up the aluminium cover of high strength aluminum alloy material and semicircular compression resistance arch between sheath and optic fibre, in the optical cable use, strengthened the compressive capacity of optical cable, make it be difficult for receiving external pressure and warp the damage, can play the guard action to the optic fibre of optical cable inside;

2. the utility model has the advantages that the outer layer of the sheath is arranged into the wear-resistant layer made of the high-molecular polyethylene material, the inner layer is arranged into the rubber layer, and the waterproof layer is arranged between the outer layer and the inner layer, so that the waterproof layer can play a good role in moisture resistance when the cable is used, and the wear-resistant layer can prevent the waterproof layer from being damaged under the action of external force;

3. the utility model discloses, through setting up the snap ring, when in-service use, snap ring and cable core filler zonulae occludens can prevent that tensile piece from taking out from, improve the pull resistance of optical cable.

Drawings

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

FIG. 2 is a schematic view of the longitudinal cross-section structure of the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the sheath of the present invention.

In the figure: 1-a sheath; 2-an aluminum sleeve; 3-a tensile member; 4-an optical fiber; 5-sleeving a pipe; 6-ointment; 7-cable core filler; 8-a wear resistant layer; 9-waterproof layer; 10-a rubber layer; 11-compression resistant protrusions; 12-a steel cord; 13-a rubber sleeve; 14-snap ring.

Detailed Description

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

Referring to fig. 1 to 3, the present invention provides a technical solution: an optical cable having a moisture-proof function, comprising:

sheath

1, 1 inside aluminium cover 2 that is provided with of sheath, the inside central point of aluminium cover 2 puts and is provided with tensile piece 3, and tensile piece 3 encircles all around being provided with six groups of optic fibre 4, and the outside equal cladding of every group optic fibre 4 has sleeve pipe 5, and the inside optic fibre 4 outside packing of sleeve pipe 5 has oleamen 6, and the inside packing of aluminium cover 2 has cable core filler 7, and the cladding of cable core filler 7 is outside in sleeve pipe 5.

Wherein, sheath 1 includes wearing layer 8, waterproof layer 9 and rubber layer 10, wearing layer 8 is located waterproof layer 9's outside, rubber layer 10 is located inside waterproof layer 9, wearing layer 8 is the polymer polyethylene material, waterproof layer 9 is the modified asphalt waterproof layer, set up wearing layer 8 and the inlayer into rubber layer 10 for adopting the polymer polyethylene material preparation through with 1 outer strata of sheath, and set up waterproof layer 9 between skin and the inlayer, waterproof layer 9 can play good moisture resistance when the cable uses, and wearing layer 8 can prevent that waterproof layer 9 from damaging under the exogenic action.

Wherein, aluminium cover 2 evenly is provided with a plurality of resistance to compression archs 11 for the outer wall, the protruding 11 and the 2 integrated into one piece setting of aluminium cover of resistance to compression, the protruding 11 semicircular in cross section of resistance to compression, and the protruding 11 hugs closely in 1 inner wall of sheath of resistance to compression, aluminium cover 2 and the protruding 11 aluminum alloy material that is the high strength of resistance to compression, aluminium cover 2 and the protruding 11 of semicircular resistance to compression through set up the high strength aluminum alloy material between sheath 1 and optic fibre 4, in the optical cable use, the compressive capacity of optical cable has been strengthened, make it be difficult for receiving external pressure and the deformation damage, can play the guard action to optic fibre 4 of optical cable inside.

Wherein, the inside center of tensile piece 3 is steel cable 12, and the outside rubber sleeve 13 that is of steel cable 12, and the outside shaping of rubber sleeve 13 has a plurality of equidistance distribution's snap ring 14 along its length direction, and snap ring 14 diameter is greater than rubber sleeve 13 diameter, through setting up snap ring 14, when the in-service use, snap ring 14 and cable core filler 7 zonulae occludens can prevent tensile piece 3 from taking out from, improve the tensile of optical cable.

The working principle is as follows: the utility model discloses in the use, through setting up 1 outer layer of sheath into the wearing layer 8 that adopts the preparation of polymer polyethylene material and set up the inlayer into rubber layer 10, and set up waterproof layer 9 between skin and the inlayer, waterproof layer 9 can play good moisture resistance when the cable uses, and wearing layer 8 can prevent that waterproof layer 9 from damaging under the exogenic action, aluminium cover 2 and semicircular resistance to compression arch 11 through setting up high strength aluminum alloy material between sheath 1 and optic fibre 4, in the optical cable use, the compressive capacity of optical cable has been strengthened, make it be difficult for receiving external pressure and the deformation damage, can play the guard action to the inside optic fibre 4 of optical cable, when the in-service use, snap ring 14 and cable core filler 7 zonulae occludens, can prevent that tensile piece 3 from taking out, improve the pull resistance of optical cable.

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

1. An optical cable having a moisture-proof function, comprising: sheath (1), characterized in that: sheath (1) inside is provided with aluminium cover (2), aluminium cover (2) inside central point puts and is provided with tensile piece (3), tensile piece (3) are all around being provided with six groups of optic fibre (4), every group optic fibre (4) outside all the cladding has sleeve pipe (5), the optic fibre (4) outside packing of sleeve pipe (5) inside has oleamen (6), aluminium cover (2) inside packing has cable core filler (7), cable core filler (7) cladding is in sleeve pipe (5) outside.

2. The optical cable with moisture-proof function as claimed in claim 1, wherein: the protective sleeve (1) comprises a wear-resistant layer (8), a waterproof layer (9) and a rubber layer (10), wherein the wear-resistant layer (8) is located outside the waterproof layer (9), and the rubber layer (10) is located inside the waterproof layer (9).

3. The optical cable with moisture-proof function as claimed in claim 2, wherein: the wear-resistant layer (8) is made of high-molecular polyethylene materials, and the waterproof layer (9) is a modified asphalt waterproof layer.

4. The optical cable with moisture-proof function as claimed in claim 1, wherein: aluminium cover (2) evenly is provided with a plurality of resistance to compression protruding (11) for the outer wall, resistance to compression protruding (11) sets up with aluminium cover (2) integrated into one piece, resistance to compression protruding (11) are the cross section semi-circular, and resistance to compression protruding (11) hug closely in sheath (1) inner wall.

5. The optical cable with moisture-proof function as claimed in claim 4, wherein: the aluminum sleeve (2) and the compression-resistant bulge (11) are both made of high-strength aluminum alloy materials.

6. The optical cable with moisture-proof function as claimed in claim 1, wherein: the anti-pulling piece (3) inside center is steel cable (12), steel cable (12) outside is rubber sleeve (13), the outside shaping of its length direction of following of rubber sleeve (13) has snap ring (14) that a plurality of equidistance distributed, snap ring (14) diameter is greater than rubber sleeve (13) diameter.