CN210401786U - 24-core branch distribution optical cable - Google Patents
24-core branch distribution optical cable Download PDFInfo
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- CN210401786U CN210401786U CN201921363673.8U CN201921363673U CN210401786U CN 210401786 U CN210401786 U CN 210401786U CN 201921363673 U CN201921363673 U CN 201921363673U CN 210401786 U CN210401786 U CN 210401786U
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Abstract
The utility model discloses a 24 core branch distribution optical cable, including the cable core, protective sheath and resistant strengthening rib of buckling, the cable core is two, wherein every cable core all includes 12 sinle silks, the cladding is at the inner sheath in the 12 sinle silks outside, and fill the aramid fiber filling layer between sinle silks and inner sheath, and the sinle silks include optic fibre and the characteristic waterproof layer of cladding in the optic fibre outside, the protective sheath cladding is in the outside of cable core, and it has soft filler to fill between cable core and the protective sheath, be equipped with the resistant strengthening rib of buckling that extends along cable core length direction in the soft filler, wherein resistant strengthening rib of buckling is cylindric, and the outside of resistant strengthening rib of buckling is equipped with the several and extends along circumference. The utility model relates to a rationally, compact structure, light in weight, small in size, intensity are high, the installation is nimble, resistant buckling, have spreading value.
Description
Technical Field
The utility model belongs to the technical field of communication optical cable, concretely relates to 24 core branch distribution optical cable.
Background
Optical fiber communication, which uses an optical fiber as a transmission medium of light, has been rapidly developed in recent decades, and has not only the characteristics of a wide transmission band, a large communication capacity, and a small attenuation, but also the outstanding advantages of being free from electromagnetic interference, and the like. However, the optical fiber itself is fragile and has low mechanical strength, and an outer protective jacket must be provided on the outer layer of the optical fiber to protect the optical fiber from the problem of light transmission influence such as breakage. In addition, the common multi-core optical cable has large outer diameter, occupies large volume, and causes large wiring difficulty and large volume of matched equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a 24 core branch distribution cable to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: 24 core branch distribution cable, its structural feature lies in: including cable core, protective sheath and resistant strengthening rib of buckling, the cable core be two, wherein every cable core all includes 12 sinle silks, the cladding is in the inner sheath in the 12 sinle silks outsides to and fill the aramid fiber filling layer between sinle silks and inner sheath, and the sinle silks include optic fibre and the characteristic waterproof layer of cladding in the optic fibre outside, the protective sheath cladding in the outside of cable core, and the packing has soft filler between cable core and the protective sheath, soft filler in be equipped with along the resistant strengthening rib of buckling of cable core length direction extension, wherein resistant strengthening rib of buckling is cylindricly, and the outside of resistant strengthening rib of buckling is equipped with the several and extends, follows the recess that axial equidistance was arranged.
Preferably, the bend-resistant reinforcing bars are made of reinforced plastic.
Preferably, a water-blocking fiber paste filling layer is filled between the optical fiber and the characteristic waterproof layer.
Preferably, the outer surface of the characteristic waterproof layer is provided with characteristic marks, and the characteristic marks of all the wire cores are different.
Preferably, the soft filler is a rubber rope or heat-resistant insulating nylon.
Compared with the prior art, the utility model relates to a rationally, compact structure, light in weight, size are little, intensity is high, the installation is nimble, resistant buckling, has spreading value.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the bending-resistant reinforcing rib of the present invention;
in the figure: 1-protective sleeve, 2-bending-resistant reinforcing rib, 3-inner sheath, 4-aramid fiber filling layer, 5-optical fiber, 6-characteristic waterproof layer, 7-soft filler, 8-groove and 9-water-blocking fiber paste filling layer.
Detailed Description
The invention is further explained with reference to the drawings, without limiting the scope of protection of the invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-2, the utility model provides a 24-core branch distribution optical cable, which comprises two cable cores, two protective sleeves 1 and two bending-resistant reinforcing ribs 2, wherein each cable core comprises 12 cable cores, an inner sheath 3 covering the 12 cable cores, and an aramid fiber filling layer 4 filled between the cable cores and the inner sheath 3, and the cable cores comprise optical fibers 5 and a characteristic waterproof layer 6 covering the optical fibers 5, the protective sleeves 1 cover the outer side of the cable core, and a soft filler 7 is filled between the cable core and the protective sleeves 1, the soft filler 7 is internally provided with the bending-resistant reinforcing ribs 2 extending along the length direction of the cable core, wherein the bending-resistant reinforcing ribs 2 are cylindrical, the outer sides of the bending-resistant reinforcing ribs 2 are provided with a plurality of grooves 8 extending along the circumferential direction and arranged along the axial direction at equal intervals, and the bending-resistant reinforcing ribs 2 improve the strength of the optical cable, meanwhile, the bending resistance of the optical cable can be improved by arranging the groove 8 on the premise of ensuring the strength of the optical cable.
In the embodiment, the bending-resistant reinforcing ribs 2 are made of reinforced plastics, so that the optical cable is light in weight, high in strength, improved in bending resistance and not easy to break.
In this embodiment, a water-blocking fiber paste filling layer 9 is filled between the optical fiber 5 and the characteristic waterproof layer 6.
In this embodiment, the outer surface of the characteristic waterproof layer 6 is provided with characteristic marks, and the characteristic marks of each wire core are different. The characteristic marks can be patterns, patterns or different colors, so that each wire core is distinguished, and construction and connection are easy.
In this embodiment, the soft filler 7 is a rubber rope or heat-resistant insulating nylon. The flexibility is increased, and the bending and the installation are convenient.
The utility model relates to a rationally, compact structure, light in weight, small in size, intensity are high, the installation is nimble, resistant buckling, have spreading value.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1.24 core branch distribution cable, its characterized in that: including cable core, protective sheath and resistant strengthening rib of buckling, the cable core be two, wherein every cable core all includes 12 sinle silks, the cladding is in the inner sheath in the 12 sinle silks outsides to and fill the aramid fiber filling layer between sinle silks and inner sheath, and the sinle silks include optic fibre and the characteristic waterproof layer of cladding in the optic fibre outside, the protective sheath cladding in the outside of cable core, and the packing has soft filler between cable core and the protective sheath, soft filler in be equipped with along the resistant strengthening rib of buckling of cable core length direction extension, wherein resistant strengthening rib of buckling is cylindricly, and the outside of resistant strengthening rib of buckling is equipped with the several and extends, follows the recess that axial equidistance was arranged.
2. The 24-core branch distribution cable of claim 1, wherein: the bending-resistant reinforcing ribs are made of reinforced plastics.
3. The 24-core branch distribution cable of claim 1, wherein: and a water-blocking fiber paste filling layer is filled between the optical fiber and the characteristic waterproof layer.
4. The 24-core branch distribution cable of claim 1, wherein: the outer surface of the characteristic waterproof layer is provided with characteristic marks, and the characteristic marks of all the wire cores are different.
5. The 24-core branch distribution cable of claim 1, wherein: the soft filler is a rubber rope or heat-resistant insulating nylon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921363673.8U CN210401786U (en) | 2019-08-21 | 2019-08-21 | 24-core branch distribution optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921363673.8U CN210401786U (en) | 2019-08-21 | 2019-08-21 | 24-core branch distribution optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210401786U true CN210401786U (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921363673.8U Active CN210401786U (en) | 2019-08-21 | 2019-08-21 | 24-core branch distribution optical cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN210401786U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4089457A1 (en) | 2021-05-10 | 2022-11-16 | Prysmian S.p.A. | Multi-fiber optical cable |
-
2019
- 2019-08-21 CN CN201921363673.8U patent/CN210401786U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4089457A1 (en) | 2021-05-10 | 2022-11-16 | Prysmian S.p.A. | Multi-fiber optical cable |
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