CN215833665U - Cable core with fan-shaped loose sleeve structure and optical fiber ribbon optical cable - Google Patents
Cable core with fan-shaped loose sleeve structure and optical fiber ribbon optical cable Download PDFInfo
- Publication number
- CN215833665U CN215833665U CN202122103650.7U CN202122103650U CN215833665U CN 215833665 U CN215833665 U CN 215833665U CN 202122103650 U CN202122103650 U CN 202122103650U CN 215833665 U CN215833665 U CN 215833665U
- Authority
- CN
- China
- Prior art keywords
- fan
- shaped
- optical fiber
- cable
- loose tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Communication Cables (AREA)
Abstract
The utility model discloses a cable core with a fan-shaped loose tube structure and an optical fiber ribbon cable, wherein the cable core with the fan-shaped loose tube structure comprises a plurality of fan-shaped single band loose tubes, adjacent single band loose tubes are connected at a fan-shaped angle to form a band loose tube main body with a circular cross section, a central reinforcing part is arranged inside the band loose tube main body, the optical fiber ribbon cable comprises an outer sheath, a metal band and a cable core with the fan-shaped loose tube structure, the metal band is coated on the periphery of the cable core with the fan-shaped loose tube structure, and the outer sheath is arranged on the periphery of the metal band. Through the mode, the cable core and the optical fiber ribbon optical cable with the fan-shaped loose tube structure adopt the fan-shaped banded loose tubes, are tightly arranged, have high optical fiber density, are easy to form cables and twisted into a shape, have small gaps among the loose tubes in the structure of the ribbon optical cable, have good roundness after the cables are formed, do not need to add a gap filling rope structure, and save raw materials.
Description
Technical Field
The utility model relates to the technical field of optical fiber cables, in particular to a cable core with a fan-shaped loose sleeve structure and an optical fiber ribbon cable.
Background
The optical fiber ribbon cable has large capacity and is a common medium in the communication field, and the existing optical fiber ribbon cable comprises a plurality of stacked optical fiber ribbons, wherein a plurality of optical fibers are arranged side by side and are bonded and fixed through light-cured resin. Compared with the common single-core optical cable, the optical fiber ribbon cable has obvious advantages in the aspects of construction, connection, termination and the like, so that the application is more and more extensive.
The layer-stranding ribbon cable is internally provided with a plurality of circular loose sleeves, a plurality of optical fiber ribbons are arranged in the loose sleeves, the main problems of the ribbon cable product with the structure are that the outer diameter is large, partial optical fibers attenuate signals greatly, particularly, the optical fibers at the side of a sideband, the main reason for the problem is that the deformation performance of the stacked optical fiber ribbons is poor, the bending performance of the thickness surface of the stacked optical fiber ribbons is poor, when the optical cable is bent, the optical fibers are damaged easily, and the cable forming process needs to increase gap filling ropes to ensure the roundness of the cable core due to the large structure size of the loose sleeves in the ribbon cable structure, so that the final material consumption is large.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem of providing a cable core with a fan-shaped loose tube structure and an optical fiber ribbon optical cable, which adopt a fan-shaped banded loose tube structure, are tightly arranged, have high optical fiber density, are easy to form a cable and strand into a shape, have small gaps among the loose tubes in the structure of the optical fiber ribbon, have good roundness after cabling, do not need to add a gap filling rope structure and save raw materials.
In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a cable core of fan-shaped loose shell structure includes: the banded loose sleeve pipe of monomer of the fan-shaped setting of a plurality of, adjacent banded loose sleeve pipe of monomer links up mutually at fan-shaped angle department and forms the cross-section for circular shape banding loose sleeve main part, and banding loose sleeve main part is inside to be provided with central reinforcement.
In a preferred embodiment of the present invention, a ribbon optical fiber set is disposed at a central position of the cavity inside the single ribbon loose tube, and the ribbon optical fiber set includes a plurality of single optical fiber ribbons stacked together, and the single optical fiber ribbon is composed of 4 optical fiber ribbons, 6 optical fiber ribbons, 12 optical fiber ribbons or 24 optical fiber ribbons.
In a preferred embodiment of the present invention, the periphery of the optical fiber bundle is filled with an optical fiber water-blocking material, and the optical fiber water-blocking material is a fiber paste, a water-blocking yarn or a water-blocking powder.
In a preferred embodiment of the utility model, the diameter of the inner arc of the fan-shaped individual ribbon loose tubes matches the diameter of the central strength member, and the chord length of the inner arc of the individual ribbon loose tubes is greater than the chord length of the optical fiber ribbon.
In a preferred embodiment of the present invention, the cable core water-blocking material is filled around the central reinforcement member, and the cable core water-blocking material is cable paste, water-blocking yarn, water-blocking tape or water-blocking glass fiber yarn.
In a preferred embodiment of the present invention, a filling rope may be further included, and the filling rope is arranged in a shape corresponding to the shape of the fan-shaped single band-shaped loose tube.
In a preferred embodiment of the utility model, the loose tube is a PBT loose tube or a PE loose tube.
In order to solve the technical problem, the utility model adopts another technical scheme that: provided is a fiber ribbon cable including: the cable comprises an outer sheath, a metal belt and a cable core of a fan-shaped loose sleeve structure, wherein the metal belt is coated on the periphery of the cable core of the fan-shaped loose sleeve structure, and the outer sheath is arranged on the periphery of the metal belt.
In a preferred embodiment of the utility model, the metal strip is a plastic coated steel strip, a plastic coated aluminum strip or a plastic coated stainless steel strip. The sheath A, Y, S or double sheaths, the extrusion molding material of the sheath is PE, PA or LSZH.
In a preferred embodiment of the utility model, the number of the cores of the cable core of the optical cable covers 48-576.
The utility model has the beneficial effects that: the cable core and the optical fiber ribbon optical cable of the fan-shaped loose tube structure adopt the fan-shaped banded loose tubes, the optical cable structure has small size, the banded loose tubes are arranged tightly, and the optical fiber density is high; the fan-shaped structure is easy to form cables and twisted into a shape; the gaps among loose tubes in the ribbon optical cable structure are small, the roundness is good after cabling, a gap filling rope structure is not required to be added, and raw materials are saved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural view of a preferred embodiment of a cable core and a fiber ribbon cable of the present invention in a fan-shaped loose tube configuration;
the parts in the drawings are numbered as follows: 1. the cable comprises a combined optical fiber set, 2 optical fiber water-blocking materials, 3 a single strip-shaped loose tube, 4 a central reinforcing piece, 5 cable core water-blocking materials, 6 a metal strip, 7 and an outer sheath.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention includes:
example one
A cable core of a fan-shaped loose tube structure, comprising: the banded loose sleeve pipe of monomer 3 of the fan-shaped setting of a plurality of, adjacent banded loose sleeve pipe of monomer 3 link up mutually at fan-shaped angle department and form the cross-section for the banding loose sleeve main part of circular shape, guarantee to arrange closely between the banded loose sleeve pipe.
A central reinforcing piece 4 is arranged in the belt-shaped loose tube main body, a cable core water-blocking material 5 is filled around the central reinforcing piece 4 for water blocking, and the cable core water-blocking material 5 is cable paste, water-blocking yarn, water-blocking tape or water-blocking glass fiber yarn.
The central point of the inner cavity of the single banded loose tube 3 is provided with a banded optical fiber set 1, the banded optical fiber set 1 comprises a plurality of single optical fiber ribbons which are overlapped and arranged together, the single optical fiber ribbons are arranged by 4 optical fibers, 6 optical fibers, 12 optical fibers or 24 optical fibers, and the single optical fiber ribbons are sleeved with the band-shaped loose tube twice to form the fan-shaped banded loose tube.
The optical fiber is high in density, adjacent loose tubes in the ribbon optical cable structure are tightly connected, gaps are small, the roundness is good after cabling, a gap filling rope structure is not required to be added, and raw materials are saved.
In the utility model, the inner arc diameter of the single band-shaped loose tube 3 arranged in a fan shape is matched with the diameter of the central reinforcing part 4, the inner arc chord length of the single band-shaped loose tube 3 is larger than the chord length of the optical fiber ribbon, and the inner arc radius of the single band-shaped loose tube 3 is matched with the radius of the central reinforcing part 4.
Further, the loose tube is a PBT loose tube or a PE loose tube, the periphery with the optical fiber set 1 is filled with an optical fiber water-blocking material 2, and the optical fiber water-blocking material 2 is fiber paste, water-blocking yarn or water-blocking powder.
The cable core of the fan-shaped loose tube structure may further comprise a filling rope, and the arrangement shape of the filling rope is consistent with the shape of the fan-shaped single band-shaped loose tube 3.
Example two
A fiber optic ribbon cable comprising: the cable comprises an outer sheath, a metal belt and a cable core of a fan-shaped loose sleeve structure, wherein the metal belt is coated on the periphery of the cable core of the fan-shaped loose sleeve structure, and the outer sheath is arranged on the periphery of the metal belt.
The fan-shaped single strip-shaped loose tubes 3 are easy to twist into a cable core, the twisted cable core enters the last sheath process, a metal strip 6 is coated outside the cable core, and an extrusion molding outer sheath 7 is formed into a final optical cable product.
The metal belt 6 can be a plastic-coated steel belt, a plastic-coated aluminum belt or a plastic-coated stainless steel belt, the outer sheath 7 is an A sheath, a Y sheath, an S sheath or a double sheath, the extrusion molding material of the sheaths is PE, PA or LSZH, and the whole core number of the optical cable covers 48-576.
The cable core with the fan-shaped loose sleeve structure and the optical fiber ribbon optical cable have the beneficial effects that:
the zonal loose tubes with the fan-shaped structures are adopted, the optical cable structure has small size, the fan-shaped structures are easy to form cables, twist and mold, the zonal loose tubes are closely arranged, and the optical fiber density is high;
the gaps among loose tubes in the ribbon optical cable structure are small, the roundness is good after cabling, a gap filling rope structure is not required to be added, and raw materials are saved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a cable core of fan-shaped loose shell structure which characterized in that includes: the banded loose sleeve pipe of monomer of the fan-shaped setting of a plurality of, adjacent banded loose sleeve pipe of monomer links up mutually at fan-shaped angle department and forms the cross-section for circular shape banding loose sleeve main part, and banding loose sleeve main part is inside to be provided with central reinforcement.
2. The cable core with the fan-shaped loose tube structure as claimed in claim 1, wherein the single band-shaped loose tube has a combined optical fiber set at a central position of the inner cavity, the combined optical fiber set includes a plurality of single optical fiber ribbons stacked together, and the single optical fiber ribbons include 4 optical fiber ribbons, 6 optical fiber ribbons, 12 optical fiber ribbons or 24 optical fiber ribbons.
3. The cable core with the fan-shaped loose tube structure as claimed in claim 2, wherein the periphery of the optical fiber set is filled with optical fiber water-blocking material, and the optical fiber water-blocking material is fiber paste, water-blocking yarn or water-blocking powder.
4. The cable core with the fan-shaped loose tube structure as claimed in claim 2, wherein the diameter of the inner arc of the fan-shaped single band-shaped loose tube is matched with the diameter of the central reinforcing member, and the chord length of the inner arc of the single band-shaped loose tube is larger than that of the optical fiber ribbon.
5. The cable core with the fan-shaped loose tube structure as claimed in claim 1, wherein the cable core water-blocking material is filled around the central reinforcement member, and the cable core water-blocking material is cable paste, water-blocking yarn, water-blocking tape or water-blocking glass fiber yarn.
6. The cable core with the fan-shaped loose tube structure as claimed in claim 1, further comprising a filling rope, wherein the filling rope is arranged in a shape corresponding to the shape of the fan-shaped single band-shaped loose tube.
7. The cable core with the fan-shaped loose tube structure as claimed in claim 1, wherein the loose tube is a PBT loose tube or a PE loose tube.
8. A fiber optic ribbon cable, comprising: the cable comprises an outer sheath, a metal belt and the cable core of the fan-shaped loose tube structure according to any one of claims 1 to 7, wherein the metal belt is coated on the periphery of the cable core of the fan-shaped loose tube structure, and the outer sheath is arranged on the periphery of the metal belt.
9. The fiber optic ribbon cable of claim 8, wherein the metal ribbon is a plastic coated steel ribbon, a plastic coated aluminum ribbon, or a plastic coated stainless steel ribbon; the sheath A, Y, S or double sheaths, the extrusion molding material of the sheath is PE, PA or LSZH.
10. The fiber ribbon cable of claim 8, wherein the number of cable cores ranges from 48 to 576.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122103650.7U CN215833665U (en) | 2021-09-02 | 2021-09-02 | Cable core with fan-shaped loose sleeve structure and optical fiber ribbon optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122103650.7U CN215833665U (en) | 2021-09-02 | 2021-09-02 | Cable core with fan-shaped loose sleeve structure and optical fiber ribbon optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215833665U true CN215833665U (en) | 2022-02-15 |
Family
ID=80198060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122103650.7U Active CN215833665U (en) | 2021-09-02 | 2021-09-02 | Cable core with fan-shaped loose sleeve structure and optical fiber ribbon optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215833665U (en) |
-
2021
- 2021-09-02 CN CN202122103650.7U patent/CN215833665U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108061951B (en) | Skeleton type optical fiber ribbon optical cable | |
| CN105467539A (en) | Non-metal stranded loose tube structure optical cable | |
| CN212905629U (en) | Layer-stranded optical cable with microstructure | |
| CN112363286A (en) | Nonmetal armored three-sheath self-supporting rat-proof optical cable and preparation process thereof | |
| CN110941058A (en) | Equal-time-delay flexible armored optical cable and manufacturing method thereof | |
| CN113341520B (en) | Central beam tube type large-core-number ribbon optical cable | |
| CN215833661U (en) | High-tensile-strength low-dispersion optical cable | |
| CN114002796A (en) | Large-core optical cable based on cable core with double-layer stranded structure and forming process thereof | |
| CN101794007A (en) | Non-belt fiber and large-core number single-layer stranding optical cable | |
| CN215833665U (en) | Cable core with fan-shaped loose sleeve structure and optical fiber ribbon optical cable | |
| CN104216080A (en) | Super-high-density central tube cable | |
| CN113703112A (en) | Cable core with fan-shaped loose sleeve structure and optical fiber ribbon optical cable | |
| CN116338883A (en) | Optical cable and manufacturing method thereof | |
| CN115840274A (en) | Ribbon optical cable | |
| CN201974551U (en) | Full-dry multi-core air-blowing cable | |
| CN213457458U (en) | Optical cable with dampproofing function | |
| CN101666895A (en) | Micro-fiber bundle unit and optical cable taking micro-fiber bundle unit as basic structure | |
| CN211348767U (en) | Equal-time-delay flexible armored optical cable | |
| CN204790129U (en) | Center sleeve pipe structure optical cable | |
| CN212933068U (en) | High-strength access type optical fiber cable | |
| CN211554402U (en) | Three-unit layer-stranded light optical cable | |
| CN105589150A (en) | Hybrid optical fiber with large fiber core number | |
| CN201654293U (en) | Non-ribbon fiber type single-layer stranded optical cable with large core number | |
| CN220232057U (en) | High-density mixed optical cable with large core number | |
| CN213240615U (en) | Optical cable with good stretching effect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |