CN221124949U - Indoor 8-shaped soft optical cable - Google Patents
Indoor 8-shaped soft optical cable Download PDFInfo
- Publication number
- CN221124949U CN221124949U CN202322792036.5U CN202322792036U CN221124949U CN 221124949 U CN221124949 U CN 221124949U CN 202322792036 U CN202322792036 U CN 202322792036U CN 221124949 U CN221124949 U CN 221124949U
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- indoor
- optical cable
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- flexible
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- 230000003287 optical effect Effects 0.000 title claims abstract description 28
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 25
- 239000013307 optical fiber Substances 0.000 claims abstract description 17
- 239000004760 aramid Substances 0.000 claims abstract description 13
- 229920003235 aromatic polyamide Polymers 0.000 claims abstract description 13
- 229920000098 polyolefin Polymers 0.000 claims abstract description 10
- 238000001125 extrusion Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract description 3
- 238000005728 strengthening Methods 0.000 abstract description 3
- 239000004020 conductor Substances 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 description 9
- 239000002131 composite material Substances 0.000 description 5
- 239000011152 fibreglass Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000004224 protection Effects 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The utility model provides an indoor 8-shaped soft optical cable, which relates to the technical field of telecommunication optical cables and comprises two optical fibers, wherein the outer surfaces of the two optical fibers are respectively sleeved with a tight sleeve, the outer surfaces of the two tight sleeves are respectively sleeved with reinforced aramid yarns, and the outer surfaces of the two reinforced aramid yarns are respectively sleeved with a polyolefin sheath. According to the utility model, the bending property and the tensile strength of the cable conductor are improved by strengthening the performances of higher breaking strength and lower breaking elongation of the spun yarn, and the cable with large cross section is convenient to process, and the reinforcing ring bears the external pressure at the first time and releases the reaction force to the pressing position, so that the pressure applied to the optical fiber is reduced, the safety of the optical fiber is improved, and the service life under the extrusion condition is prolonged.
Description
Technical Field
The utility model relates to the technical field of telecommunication optical cables, in particular to an indoor 8-shaped soft optical cable.
Background
Optical cables are manufactured to meet optical, mechanical or environmental performance specifications by using one or more optical fibers disposed in a covering sheath as a transmission medium and used individually or in groups, and are composed of optical fibers, a plastic protective sleeve and a plastic sheath, and are a communication line for transmitting optical signals.
In the prior art, glass fiber reinforced plastic composite wires are commonly adopted as reinforcing ribs for protecting the tensile force of optical fibers in the optical cable, but the glass fiber reinforced plastic composite wires are hard in texture, fragile and easy to break, and the glass fiber reinforced plastic composite wires are often broken due to excessive bending in the indoor installation process, so that the tensile effect of the glass fiber reinforced plastic composite wires is basically lost, and the internal optical fibers of the glass fiber reinforced plastic composite wires are easily damaged in the subsequent tensile process.
Disclosure of utility model
The utility model mainly provides an indoor 8-shaped soft optical cable with stretching resistance and high flexibility.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an indoor 8 type flexible optical cable, includes two optic fibre, two the tight sleeve has all been cup jointed to optic fibre surface, two the tight sleeve surface has all been cup jointed and has strengthened aramid yarn, two strengthen aramid yarn surface has all been cup jointed the polyolefin sheath, two the gomphosis of polyolefin sheath surface has flexible overcoat, flexible overcoat cross-section is 8 type, and wherein the tight sleeve is used for wrapping up optic fibre, carries out preliminary protection and consolidates, and strong aramid yarn has density little, and tensile modulus is very high, and fracture strength is higher and fracture elongation low grade special performance, can improve the flexibility degree and the stretch-proofing ability of optic cable, through setting up the polyolefin sheath, has fine flame retardant efficiency, can protect the optic cable effectively under the circumstances of catching fire, further improves the security of optic cable, and flexible overcoat is waterproof overcoat, can prevent moisture to enter into inside effectively, and flexible overcoat cross-section is 8 type, can conveniently separate two optic fibres of inside, makes things convenient for follow-up to optic fibre installation.
Preferably, a plurality of mounting grooves are formed in the outer surface of the flexible outer sleeve, a plurality of reinforcing rings are fixedly mounted in the mounting grooves, the reinforcing rings can be positioned by arranging the mounting grooves, and the rolling resistance of the optical cable can be improved by arranging the reinforcing rings.
Preferably, the outer surface of the reinforcing ring is in interference fit with the inside of the mounting groove, so that the reinforcing ring can be fixed more firmly.
Preferably, the reinforcing ribs are embedded in the flexible outer sleeve and are close to four corners, so that the stretching resistance of the optical cable can be further improved.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. According to the utility model, the bending property and the tensile strength of the cable conductor are improved by strengthening the performances of high breaking strength and low breaking elongation of the aramid yarn, so that the cable with a large section is convenient to process.
2. According to the utility model, the reinforcing ring bears the external pressure at the first time and releases the reaction force to the pressing position, so that the pressure borne by the optical fiber is reduced, the safety of the optical fiber is improved, and the service life of the optical fiber under the extrusion condition is prolonged.
Drawings
FIG. 1 is a perspective view of an indoor 8-shaped flexible optical cable according to the present utility model;
FIG. 2 is a schematic diagram of the internal structure of an indoor 8-shaped flexible optical cable according to the present utility model;
FIG. 3 is a cross-sectional view of an indoor 8-shaped flexible optical cable according to the present utility model;
Fig. 4 is a schematic diagram illustrating the disassembly of a reinforcing ring of an indoor 8-shaped flexible optical cable according to the present utility model.
Legend description: 1. an optical fiber; 2. tightly sleeving; 3. reinforcing aramid yarns; 4. a polyolefin sheath; 5. a flexible jacket; 6. a placement groove; 7. a reinforcing ring; 8. reinforcing ribs.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an indoor 8 type flexible optical cable, including two optic fibre 1, tight cover 2 has all been cup jointed to two optic fibre 1 surfaces, the reinforcing aramid yarn 3 has all been cup jointed to two tight cover 2 surfaces, polyolefin sheath 4 has all been cup jointed to two reinforcing aramid yarn 3 surfaces, wherein tight cover 2 is used for wrapping up optic fibre 1, preliminary protection and reinforcement, reinforcing aramid yarn 3 has density little, tensile modulus is very high, the fracture strength is higher and fracture extensibility is lower grade special performance, can improve the flexibility degree and the stretch-proof ability of optic cable, through setting up polyolefin sheath 4, have fine flame retardant efficiency, can protect the optic cable under the circumstances of catching fire effectively, further improve the security of optic cable, flexible overcoat 5 is waterproof overcoat, can prevent moisture to enter into inside effectively, flexible overcoat 5 cross-section is 8 type, can conveniently separate two inside optic fibre 1, make things convenient for follow-up to optic fibre 1's installation.
As shown in fig. 1, 2 and 4, the outer surfaces of the two polyolefin sheaths 4 are embedded with the flexible outer sleeve 5, the outer surfaces of the flexible outer sleeve 5 are provided with a plurality of positioning grooves 6, reinforcing rings 7 are fixedly installed inside the positioning grooves 6, the reinforcing rings 7 can be positioned by arranging the positioning grooves 6, and the rolling resistance of the optical cable can be improved by arranging the reinforcing rings 7.
As shown in fig. 1, 2 and 4, the outer surface of the reinforcing ring 7 is in interference fit with the inside of the mounting groove 6, so that the reinforcing ring 7 can be fixed more firmly.
As shown in fig. 1-4, the reinforcing ribs 8 are embedded in the flexible jacket 5 near four corners, so that the stretching resistance of the optical cable can be further improved.
The application method and the working principle of the device are as follows: when carrying out indoor installation to soft cable to need bend, strengthen aramid yarn 3 and can follow the deformation that bends, and can not take place the phenomenon of rupture, improved the degree of buckling of optical cable, when the optical cable received the extrusion, fixed mounting's strengthening ring 7 can bear external pressure in the very first time on the flexible overcoat 5 surface, and release the reaction force to the position department that applies pressure, thereby reduce the extrusion force that optical fiber 1 received, the security of optical fiber 1 has been improved, when installing optical fiber 1, pull flexible overcoat 5 to both sides, make flexible overcoat 5 fracture at the middle part, accomplish the skinning to the optical cable.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (4)
1. An indoor 8-shaped flexible optical cable comprises two optical fibers (1), and is characterized in that: the two optical fibers (1) are sleeved with a tight sleeve (2) on the outer surface, the two tight sleeves (2) are sleeved with reinforced aramid yarns (3), the two reinforced aramid yarns (3) are sleeved with polyolefin jackets (4) on the outer surfaces, the two polyolefin jackets (4) are embedded with flexible jackets (5) on the outer surfaces, and the cross section of each flexible jacket (5) is 8-shaped.
2. An indoor 8-shaped flexible optical cable as in claim 1, wherein: the outer surface of the flexible coat (5) is provided with a plurality of placement grooves (6), and reinforcing rings (7) are fixedly arranged in the placement grooves (6).
3. An indoor 8-shaped flexible optical cable as in claim 2, wherein: the outer surface of the reinforcing ring (7) is in interference fit with the inside of the placement groove (6).
4. An indoor 8-shaped flexible optical cable as in claim 1, wherein: reinforcing ribs (8) are embedded in the flexible outer sleeve (5) and are close to four corners.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221124949U true CN221124949U (en) | 2024-06-11 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |