CN212410912U - Bending-resistant wear-resistant outdoor optical cable - Google Patents
Bending-resistant wear-resistant outdoor optical cable Download PDFInfo
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- CN212410912U CN212410912U CN202020599765.2U CN202020599765U CN212410912U CN 212410912 U CN212410912 U CN 212410912U CN 202020599765 U CN202020599765 U CN 202020599765U CN 212410912 U CN212410912 U CN 212410912U
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Abstract
The utility model discloses an anti-bending wear-resistant outdoor optical cable, which comprises a central reinforced core, wherein the cross section of the central reinforced core is circularly arranged, the outer side surface of the central reinforced core is provided with a plurality of mounting grooves for mounting optical fiber bundles, the bottom of each mounting groove is provided with a curved surface matched with the outer side surface of each optical fiber bundle, and the inner diameter of each mounting groove is equal to the outer diameter of each optical fiber bundle; the center of the central reinforced core is provided with a mounting hole along the length direction of the central reinforced core, and a steel wire rib is arranged in the mounting hole; any optical fiber bundle comprises a PBT loose tube and optical fibers arranged in the PBT loose tube, and tube fillers are filled between the PBT loose tube and the optical fibers; the outer side of the central reinforced core is sequentially wrapped with an inner protective layer, an aluminum-plastic composite belt and an outer protective layer, gaps among the inner protective layer, the mounting groove and the optical fiber bundle are filled with cable core fillers, and the outer side face of the outer protective layer is provided with a plurality of hemispherical bulges. The utility model discloses technical scheme improves the structure of traditional optical cable, improves its bending resistance and wearability, improves its life.
Description
Technical Field
The utility model relates to an optical cable technical field, in particular to wear-resisting outdoor optical cable of anti buckling.
Background
Fiber optic cables are manufactured to meet optical, mechanical, or environmental performance specifications and utilize one or more optical fibers disposed in a covering jacket as the transmission medium and may be used individually or in groups as telecommunication cable assemblies. The optical cable is a communication line which is formed by a certain number of optical fibers into a cable core in a certain mode, is externally coated with a sheath, and is also coated with an outer protective layer for realizing optical signal transmission. Optical fiber needs to be bent and stored in the storage process, and the wiring is pulled out during use, so that the optical fiber needs to be frequently bent, is continuously stretched by external force and is rubbed with the ground in the actual production and use process, the optical cable is easily abraded or even scrapped, and the cost of the optical cable is greatly increased.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an anti wear-resisting outdoor optical cable of buckling aims at improving the structure of traditional optical cable, improves its bending resistance and wearability, improves its life.
In order to achieve the above object, the utility model provides an anti-bending wear-resistant outdoor optical cable, which comprises a central reinforced core, wherein the cross section of the central reinforced core is circularly arranged, a plurality of mounting grooves for mounting optical fiber bundles are arranged on the outer side surface of the central reinforced core, the bottom of each mounting groove is arranged into a curved surface matched with the outer side surface of the optical fiber bundle, and the inner diameter of each mounting groove is equal to the outer diameter of the optical fiber bundle; the center of the central reinforcing core is provided with a mounting hole along the length direction of the central reinforcing core, and a steel wire rib is arranged in the mounting hole; any optical fiber bundle comprises a PBT loose tube and optical fibers arranged in the PBT loose tube, and tube fillers are filled between the PBT loose tube and the optical fibers; the outer side of the central reinforcing core is sequentially wrapped with an inner protective layer, an aluminum-plastic composite belt and an outer protective layer, a cable core filler is filled in gaps between the inner protective layer and the mounting groove as well as between the inner protective layer and the optical fiber bundle, and a plurality of hemispherical protrusions are arranged on the outer side surface of the outer protective layer.
Preferably, the central reinforcing core is set to be silicon rubber, and the central reinforcing core and the steel wire ribs are arranged in an integrally formed structure.
Preferably, the sleeve filler is provided as optical fiber ointment, and the cable core filler is provided as flame-retardant cable ointment.
Preferably, the inner protective layer and the outer protective layer are both provided as polyethylene protective layers.
Preferably, the protrusion is provided as an integrally molded structure with the outer protective layer.
Compared with the prior art, the beneficial effects of the utility model are that: the structure of traditional optical cable center core is improved, the mounting groove for mounting the optical fiber bundle is formed in the side wall of the center core, the optical fiber bundle is embedded into the center core, the integral strength of the optical cable is met, the optical fiber bundle is limited, and the phenomenon that the optical fiber bundle inside is wound in the process of frequently bending outside is avoided. Meanwhile, the central reinforcing core is integrally formed by adopting a silicon rubber material and a steel wire rib, so that the integral rigidity and bending resistance of the optical cable can be ensured, and the silicon rubber has certain elasticity, buffers the optical fiber bundle and reduces the bending force applied to the optical fiber bundle in the bending process of the optical cable. The outer protective layer of the optical cable is provided with the integrally formed bulges, so that the wear resistance of the optical cable can be effectively improved, and the service life of the optical cable is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic cross-sectional view of the overall structure of the optical cable of the present invention;
FIG. 2 is a schematic cross-sectional view of the central reinforcing core of the present invention;
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
Referring to fig. 1 and 2, the bending-resistant and wear-resistant outdoor optical cable provided in this embodiment includes a central reinforced core 1, the cross section of the central reinforced core 1 is arranged in a circular shape, a plurality of mounting grooves 11 for mounting optical fiber bundles 2 are formed in the outer side surface of the central reinforced core 1, the bottom of each mounting groove 11 is arranged in a curved surface matched with the outer side surface of each optical fiber bundle 2, and the inner diameter of each mounting groove 11 is equal to the outer diameter of each optical fiber bundle 2; a mounting hole 12 is formed in the center of the central reinforcing core 1 along the length direction of the central reinforcing core, and a steel wire rib 3 is arranged in the mounting hole 12; any optical fiber bundle 2 comprises a PBT loose tube 21 and optical fibers 22 arranged in the PBT loose tube 21, and a tube filler 23 is filled between the PBT loose tube 21 and the optical fibers 22; the outer side of the central reinforced core 1 is sequentially wrapped with an inner protective layer 4, an aluminum-plastic composite belt 5 and an outer protective layer 6, gaps among the inner protective layer 4, the mounting groove 11 and the optical fiber bundle 2 are filled with cable core fillers 7, and the outer side face of the outer protective layer 6 is provided with a plurality of hemispherical protrusions 61.
It should be noted that, in the present embodiment, the structure of the central core 1 of the conventional optical cable is improved, the mounting groove 11 for mounting the optical fiber bundle 2 is formed in the side wall of the central core 1, and the optical fiber bundle 2 is embedded into the central core 1, so that the overall strength of the optical cable is met, and the optical fiber bundle 2 is limited, thereby preventing the optical fiber bundle 2 inside from being wound in the process of frequent external bending. Meanwhile, the central reinforced core 1 is integrally formed by adopting a silicon rubber material and the steel wire ribs 3, so that the integral rigidity and bending resistance of the optical cable can be ensured, and the silicon rubber has certain elasticity, buffers the optical fiber bundle 2 and reduces the bending force applied to the optical fiber bundle in the bending process of the optical cable. The outer protection layer 6 of the optical cable is provided with the integrally formed protrusion 61, so that the wear resistance of the optical cable can be effectively improved, the optical cable is prevented from being subjected to large abrasion in the actual use process, and the service life of the optical cable is ensured.
Further, the sleeve filler 23 is made of optical fiber ointment, and the optical fiber ointment is filled between the PBT loose sleeve 21 and the optical fiber 22, so that the optical fiber 22 is stably limited in the PBT loose sleeve 21, and is prevented from being bent and extruded by external force, and normal use is guaranteed. The cable core filler 7 is made of flame-retardant cable paste, so that the optical fiber bundle 2 is stably limited in the mounting groove 11, the looseness of the optical fiber bundle and abrasion between the central reinforcing core 1 and the inner protective layer 4 are prevented, and meanwhile, the flame retardant property of the optical cable can be improved.
Further, the inner protection layer 4 and the outer protection layer 6 are both polyethylene protection layers, so that the wear resistance and the bending resistance of the optical cable are further improved, and the production cost of the optical cable is reduced.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (5)
1. The bending-resistant wear-resistant outdoor optical cable is characterized by comprising a central reinforcing core, wherein the cross section of the central reinforcing core is circularly arranged, a plurality of mounting grooves for mounting optical fiber bundles are formed in the outer side surface of the central reinforcing core, the bottom of each mounting groove is a curved surface matched with the outer side surface of each optical fiber bundle, and the inner diameter of each mounting groove is equal to the outer diameter of each optical fiber bundle; the center of the central reinforcing core is provided with a mounting hole along the length direction of the central reinforcing core, and a steel wire rib is arranged in the mounting hole; any optical fiber bundle comprises a PBT loose tube and optical fibers arranged in the PBT loose tube, and tube fillers are filled between the PBT loose tube and the optical fibers; the outer side of the central reinforcing core is sequentially wrapped with an inner protective layer, an aluminum-plastic composite belt and an outer protective layer, a cable core filler is filled in gaps between the inner protective layer and the mounting groove as well as between the inner protective layer and the optical fiber bundle, and a plurality of hemispherical protrusions are arranged on the outer side surface of the outer protective layer.
2. The bend-resistant, abrasion-resistant outdoor optical cable of claim 1, wherein the central strength member is made of silicone rubber, and the central strength member is integrally formed with the wire rib.
3. The bend-resistant, abrasion-resistant outdoor optical cable of claim 2, wherein said jacket filler is provided as an optical fiber paste and said core filler is provided as a flame-retardant paste.
4. The bend-resistant, abrasion-resistant outdoor optical cable according to claim 1, wherein the inner protective layer and the outer protective layer are both provided as polyethylene protective layers.
5. The bend-resistant, abrasion-resistant outdoor optical cable of claim 4, wherein the protrusion is provided as an integral structure with the outer protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020599765.2U CN212410912U (en) | 2020-04-20 | 2020-04-20 | Bending-resistant wear-resistant outdoor optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020599765.2U CN212410912U (en) | 2020-04-20 | 2020-04-20 | Bending-resistant wear-resistant outdoor optical cable |
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| Publication Number | Publication Date |
|---|---|
| CN212410912U true CN212410912U (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020599765.2U Active CN212410912U (en) | 2020-04-20 | 2020-04-20 | Bending-resistant wear-resistant outdoor optical cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114609736A (en) * | 2022-03-24 | 2022-06-10 | 浙江富春江光电科技有限公司 | Novel rat-bite-preventing bending-resistant optical cable and preparation process thereof |
-
2020
- 2020-04-20 CN CN202020599765.2U patent/CN212410912U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114609736A (en) * | 2022-03-24 | 2022-06-10 | 浙江富春江光电科技有限公司 | Novel rat-bite-preventing bending-resistant optical cable and preparation process thereof |
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