CN211786271U - Flexible armored butterfly-shaped optical cable - Google Patents
Flexible armored butterfly-shaped optical cable Download PDFInfo
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- CN211786271U CN211786271U CN202020688973.XU CN202020688973U CN211786271U CN 211786271 U CN211786271 U CN 211786271U CN 202020688973 U CN202020688973 U CN 202020688973U CN 211786271 U CN211786271 U CN 211786271U
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Abstract
The utility model provides a flexible armor butterfly-shaped optical cable relates to the communication hardware field of making. The optical cable provided by the invention comprises a suspension wire, an outer sheath, a plurality of reinforcing parts and an armor subunit, wherein spiral steel belts in the armor subunit are wrapped with armor protection optical fibers, so that the optical fibers can be prevented from being broken after the outer sheath is damaged by rats and mice; the outer sheath is of an 8-shaped self-supporting structure, so that tensile capacity is guaranteed, and good installation performance is achieved; the optical fiber contained in the optical cable has larger degree of freedom in the armor layer, is basically not subjected to external actions such as extrusion, stretching and the like, and can ensure that the optical cable has better transmission performance; the optical cable is simple in structure, safe and reliable.
Description
Technical Field
The utility model relates to a communication hardware field of making, concretely relates to flexible armor butterfly-shaped optical cable.
Background
The optical fiber is a short-hand writing of optical fiber, is a fiber made of glass or plastic and can be used as a light conduction tool; 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. With the continuous deepening of operator's full optical network overall arrangement, combine the development of town and country, the functional demand to the optical cable is constantly increasing, if: faster construction mode, stronger environment adaptability and higher safety performance. The situation that the cable entering the house is seriously damaged by mice in cities and rural areas is fed back by all large operators, so that the cable entering the house is expected to have more excellent rat-proof effect and is required to be environment-friendly.
The traditional butterfly-shaped optical cable is the main optical cable for entering the home in cities or rural areas. However, the traditional butterfly-shaped optical cable has the structural characteristics that the optical fiber is directly covered by the sheath material, and the sheath material has poor strength and is very easy to be damaged by rodent biting. Repeated construction and repeated maintenance, which seriously hinder the optical network reconstruction, and the large investment of capital cannot reach the predetermined target.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a flexible armored butterfly-shaped optical cable, which comprises an armored protective optical fiber wrapped by a spiral steel belt, and can prevent the optical fiber from being broken after an outer sheath is damaged by rats; the optical fiber has larger degree of freedom in the armor layer, is basically not subjected to external actions such as extrusion, stretching and the like, and can enable the optical cable to have better transmission performance. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a flexible armor butterfly-shaped optical cable, its characterized in that: the cable comprises a suspension wire, an outer sheath, a plurality of reinforcing parts and an armor subunit; wherein:
optionally or preferably, the outer sheath comprises an upper sleeve and a lower sleeve, the suspension wire is arranged in the upper sleeve, and the outer surface of the suspension wire is attached to the inner surface of the upper sleeve; the armored subunit comprises a spiral steel belt and an optical fiber, and ensures that the optical cable has good rat-proof capability; the reinforcing piece and the spiral steel strip are arranged in the lower sleeve of the outer sheath; the reinforcing pieces are uniformly distributed between the outer side of the lower sleeve and the outer side of the spiral steel belt; the optical fiber is arranged in the spiral steel belt, and the optical fiber is in clearance fit connection with the spiral steel belt, so that the degree of freedom of the optical fiber in the spiral steel belt can be guaranteed, and the optical cable can have better transmission capability.
Alternatively or preferably, the outer surface of the spiral steel strip is connected with the inner surface of the lower sleeve in an interference fit manner.
Optionally or preferably, the upper casing is a casing made of LSZH material; the lower sleeve is of a disc-shaped structure made of LSZH materials.
Optionally or preferably, the outer sheath is of an 8-shaped self-supporting structure, so that tensile capacity is guaranteed, and meanwhile, good installation performance is achieved.
Based on the technical scheme, the following technical effects can be generated:
the embodiment of the utility model provides a pair of flexible armor butterfly-shaped optical cable is applicable to regions such as village, district income family, trunk access network in the city. The utility model relates to a flexible armored butterfly-shaped optical cable which comprises a spiral steel belt wrapped armored protection optical fiber, and can prevent the optical fiber from being broken after an outer sheath is damaged by rats; the optical fiber has larger degree of freedom in the armor layer, is basically not subjected to external actions such as extrusion, stretching and the like, so that the optical cable has better transmission performance, and the outer sheath has a self-supporting structure so that the whole optical cable has stronger tensile property; the utility model discloses the overall dimension, suspension wire and the reinforcement etc. of having remain traditional butterfly-shaped optical cable guarantee that each item performance index of optical cable product satisfies national and industry standard requirement.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 these drawings without creative efforts.
FIG. 1 is a front view of a cross-section of a flexible armored butterfly cable;
in the figure: 1-hanging wires; 2-sleeving; 3-a reinforcement; 4-sleeving; 5-spiral steel belt; 6-optical fiber.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1:
the utility model provides a flexible armored butterfly-shaped optical cable, which is characterized in that the flexible armored butterfly-shaped optical cable comprises a suspension wire 1, an outer sheath, a plurality of reinforcing parts 3 and an armor sub-unit; wherein:
the outer sheath comprises an upper sheath 2 and a lower sheath 4, the suspension wire 1 is arranged in the upper sheath 2, and the outer surface of the suspension wire 1 is attached to the inner surface of the upper sheath 2; the armored subunit comprises a spiral steel belt 5 and an optical fiber 6, and ensures that the optical cable has good rat-proof capability; the reinforcing piece 3 and the spiral steel strip 5 are both arranged in the lower sleeve 4 of the outer sheath; the reinforcing pieces 3 are uniformly distributed between the outer side of the lower sleeve 4 and the outer side of the spiral steel belt 5; the optical fiber 6 is arranged in the spiral steel belt 5, the optical fiber 6 is in clearance fit connection with the spiral steel belt 5, the degree of freedom of the optical fiber 6 in the spiral steel belt 5 can be guaranteed, and the optical cable can have better transmission capacity.
As an alternative embodiment, the outer surface of the spiral steel belt 5 is connected with the inner surface of the lower sleeve 4 in an interference fit manner.
As an alternative embodiment, an optical fiber 5 is arranged in the sleeve 4, and an optical fiber filler 2 is arranged between the optical fiber 5 and the optical fiber 5.
As an alternative embodiment, the upper casing 2 is a sleeve made of LSZH material; the lower sleeve 4 is of a disc-shaped structure made of LSZH materials, and can increase the outer rat-proof capacity.
As an optional embodiment, the outer sheath is of a self-supporting structure in an 8 shape, and has good installation performance while tensile capacity is guaranteed.
As an optional embodiment, the suspension wire 1 is made of steel wires, so that the installation and construction of the optical cable are facilitated, and the tensile capacity of the optical cable is enhanced.
In an embodiment of the present invention, a method for manufacturing a flexible armored butterfly-shaped optical cable is as follows: adjusting the distance between the mold core and the mold sleeve to be 8-10mm, and ensuring the proper drawing force of the armor sub-unit; wrapping an armored spiral steel strip 5 on the outer side of the optical fiber 6 to form an armored subunit, ensuring the clearance fit between the optical fiber 6 and the spiral steel strip 5, and controlling the paying-off tension of the optical fiber 6 and the waist-wrapped steel wire; extruding and wrapping the armor subunit, the reinforcing piece 3 and the suspension wire 1 by using an outer sheath made of LSZH material to form a finished product; the paying-off tension of the reinforcing part 3 and the suspension wire 1 is larger than that of the armor sub-unit; the finished product is qualified, the optical cable of 9-11m is flatly placed on the ground, the armored internal optical fiber 6 is pulled by hands, if the optical fiber 6 can freely slide, no obvious resistance exists, and the surface of the optical fiber 6 is smooth and has no damage, which means that the optical fiber 6 is not extruded by an outer sheath made of LSZH material, namely the optical fiber 6 is in clearance fit with the spiral steel strip 5 to be qualified; and taking the optical cable with the length of 0.5-1.5m, and drawing the armor sub-unit by using 10-30N force, wherein the armor sub-unit cannot be drawn out, and the drawing force is qualified.
Claims (4)
1. The utility model provides a flexible armoured butterfly-shaped optical cable which characterized in that: the cable comprises a suspension wire (1), an outer sheath, a plurality of reinforcing parts (3) and an armor subunit; wherein:
the outer sheath comprises an upper sheath (2) and a lower sheath (4), the suspension wire (1) is arranged in the upper sheath (2), and the outer surface of the suspension wire (1) is attached to the inner surface of the upper sheath (2); the armored sub-unit comprises a spiral steel belt (5) and an optical fiber (6), and the reinforcing piece (3) and the spiral steel belt (5) are both arranged in the lower sleeve (4) of the outer sheath; the reinforcing pieces (3) are uniformly distributed between the outer side of the lower sleeve (4) and the outer side of the spiral steel belt (5); the optical fiber (6) is arranged in the spiral steel belt (5), and the optical fiber (6) is in clearance fit connection with the spiral steel belt (5).
2. A flexible armored butterfly cable as claimed in claim 1, wherein: the outer surface of the spiral steel belt (5) is connected with the inner surface of the lower sleeve (4) in an interference fit manner.
3. A flexible armored butterfly cable as claimed in claim 1, wherein: the upper sleeve (2) is a sleeve made of LSZH material; the lower sleeve (4) is of a disc-shaped structure made of LSZH materials.
4. A flexible armored butterfly cable as claimed in claim 1, wherein: the outer sheath is of an 8-shaped self-supporting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020688973.XU CN211786271U (en) | 2020-04-29 | 2020-04-29 | Flexible armored butterfly-shaped optical cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020688973.XU CN211786271U (en) | 2020-04-29 | 2020-04-29 | Flexible armored butterfly-shaped optical cable |
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| CN211786271U true CN211786271U (en) | 2020-10-27 |
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| CN202020688973.XU Active CN211786271U (en) | 2020-04-29 | 2020-04-29 | Flexible armored butterfly-shaped optical cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111413771A (en) * | 2020-04-29 | 2020-07-14 | 成都亨通光通信有限公司 | Flexible armored butterfly-shaped optical cable and manufacturing method thereof |
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2020
- 2020-04-29 CN CN202020688973.XU patent/CN211786271U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111413771A (en) * | 2020-04-29 | 2020-07-14 | 成都亨通光通信有限公司 | Flexible armored butterfly-shaped optical cable and manufacturing method thereof |
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