CN112327440B - High-strength extrusion-resistant composite optical cable - Google Patents
High-strength extrusion-resistant composite optical cable Download PDFInfo
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- CN112327440B CN112327440B CN202011351124.6A CN202011351124A CN112327440B CN 112327440 B CN112327440 B CN 112327440B CN 202011351124 A CN202011351124 A CN 202011351124A CN 112327440 B CN112327440 B CN 112327440B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
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- Optics & Photonics (AREA)
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Abstract
The invention discloses a high-strength extrusion-resistant composite optical cable in the technical field of optical cables, which comprises: an optical fiber core; the inner protection layer is coated on the outer wall of the optical fiber wire core; the force distribution layer is sleeved on the outer wall of the inner protection layer; the buffer layer, the buffer layer cup joints on the outer wall of minute power layer, interior sheath includes: the inner protective layer body is made of silicon rubber; first spiral groove, first spiral groove sets up on the outer wall mountain of interior sheath body, the minute force layer is the spirochaeta minute force layer, the buffer layer includes: the side wall of the inner cavity of the fixed sleeve is provided with a second spiral groove; the optical cable fixing sleeve comprises a fixing sleeve, a plurality of elastic blocks and a plurality of elastic pieces, wherein the fixing sleeve is fixed on the outer wall of the fixing sleeve, and the elastic pieces are uniformly arranged on the outer wall of the fixing sleeve.
Description
Technical Field
The invention relates to the technical field of optical cables, in particular to a high-strength extrusion-resistant composite optical cable.
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 are telecommunication cable assemblies that may be used individually or in groups. The optical cable is mainly composed of optical fibers (thin glass filaments like hair), a plastic protective sleeve and a plastic sheath, and metals such as gold, silver, copper and aluminum are not contained in the optical cable, so that the optical cable generally has no recycling value. 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. Namely: a cable formed by an optical fiber (optical transmission carrier) through a certain process. The basic structure of the optical cable generally comprises a cable core, a reinforcing steel wire, a filler, a sheath and other parts, and further comprises a waterproof layer, a buffer layer, an insulated metal wire and other components according to requirements.
The composite optical cable is suitable for being used as a transmission line in a broadband access network system, is a novel access mode, integrates optical fibers and power transmission copper wires, and can solve the problems of broadband access, equipment power consumption and signal transmission.
The existing composite optical cable is poor in extrusion resistance, and cannot effectively buffer and disperse force when external force is received for pressurization, so that the external force is concentrated on an optical fiber core, the optical fiber is broken linearly, signals cannot be transmitted, and the service life of the optical cable is influenced.
Disclosure of Invention
The invention aims to provide a high-strength extrusion-resistant composite optical cable, and aims to solve the problems that the existing composite optical cable in the background art is poor in extrusion resistance, and cannot effectively buffer and disperse force when being pressurized by external force, so that the external force is concentrated on an optical fiber core, the optical fiber is broken linearly, signals cannot be transmitted, and the service life of the optical cable is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: a high strength crush resistant composite optical cable comprising:
an optical fiber core;
the inner protection layer is coated on the outer wall of the optical fiber wire core;
the force-distributing layer is sleeved on the outer wall of the inner sheath layer;
the buffer layer is sleeved on the outer wall of the force-dividing layer.
Preferably, the inner sheath layer comprises:
the inner protection layer body is made of silicon rubber;
first spiral groove, first spiral groove sets up on the outer wall of interior sheath body.
Preferably, the force-dividing layer is a spiral force-dividing layer.
Preferably, the buffer layer includes:
the side wall of the inner cavity of the fixing sleeve is provided with a second spiral groove;
the elastic blocks are uniformly arranged on the outer wall of the fixed sleeve;
the outer jacket is sleeved on the outer sides of the elastic blocks.
Preferably, the fixing sleeve is a butadiene rubber fixing sleeve.
Preferably, the elastic block is an S-shaped butadiene rubber damping block or a spring.
Preferably, the outer protective layer is a nitrile rubber outer protective layer.
Compared with the prior art, the invention has the beneficial effects that: the invention can disperse and buffer force when being extruded by external force, improves the strength of the optical cable, and can effectively protect the optical fiber core, the spiral shape of the inner side of the force component layer is matched with the first spiral groove, the force component layer is fixed on the outer wall of the inner protection layer body through the first spiral groove, the force component layer can be prevented from sliding on the outer wall of the inner protection layer body, the force component layer is spiral, when the spiral structure receives force on the side surface, the force can be dispersed to two ends along the spiral outer wall, and can play a role of force component, and the spiral structure can play a role of bending prevention, and can effectively protect the optical fiber core, the spiral shape of the outer side of the second spiral groove and the force component layer, the fixing sleeve is fixedly arranged on the outer wall of the force component layer through the second spiral groove, and can effectively prevent the fixing sleeve from sliding on the outer wall of the force component layer, the elastic block plays a role of buffering, and can slow down the force received when being extruded, and can effectively protect the optical fiber core.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of an inner sheath structure according to the present invention;
FIG. 3 is a schematic view of a force distribution layer of the present invention;
FIG. 4 is a schematic view of a buffer layer structure according to the present invention.
In the figure: 100 optical fiber cores, 200 inner protective layers, 210 inner protective layer bodies, 220 first spiral grooves, 300 force-dividing layers, 400 buffer layers, 410 fixing sleeves, 420 elastic blocks and 430 outer protective layers.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
The invention provides a high-strength extrusion-resistant composite optical cable, which can disperse and buffer force when being extruded by external force, improves the strength of the optical cable, can effectively protect an optical fiber core, and comprises the following components with reference to a figure 1: the optical fiber cable comprises an optical fiber cable core 100, an inner protective layer 200, a force component layer 300 and a buffer layer 400;
referring again to fig. 1, the optical fiber core 100;
referring to fig. 1-2, the inner sheath 200 is coated on the outer wall of the optical fiber core 100, and the inner sheath 200 includes:
the inner protection layer body 210 is coated on the outer wall of the optical fiber core 100, the inner protection layer body 210 is made of silicon rubber, and the optical fiber core 100 is protected by the inner protection layer body 210;
the first spiral groove 220 is formed on the outer wall of the inner sheath body 210;
referring to fig. 1-3, the force-dividing layer 300 is sleeved on the outer wall of the inner sheath 200, the force-dividing layer 300 is a spiral force-dividing layer, the spiral shape of the inner side of the force-dividing layer 300 is matched with the first spiral groove 220, the force-dividing layer 300 is fixed on the outer wall of the inner sheath body 210 through the first spiral groove 220, the force-dividing layer 300 can be prevented from sliding on the outer wall of the inner sheath body 210, the force-dividing layer 300 is spiral, when the spiral structure is laterally stressed, the force can be dispersed to two ends along the spiral outer wall, a force-dividing effect can be achieved, the spiral structure can achieve an anti-bending effect, and the optical fiber core 100 can be effectively protected;
referring to fig. 1, 3 and 4, the buffer layer 400 is sleeved on the outer wall of the force-dividing layer 300, and the buffer layer 400 includes:
the side wall of the inner cavity of the fixing sleeve 410 is provided with a second spiral groove, the fixing sleeve 410 is a butadiene rubber fixing sleeve, the second spiral groove and the outer side of the force component layer 300 are in a spiral shape, the fixing sleeve 410 is fixedly arranged on the outer wall of the force component layer 300 through the second spiral groove, and the fixing sleeve 410 can be effectively prevented from sliding on the outer wall of the force component layer 300;
the elastic blocks 420 are uniformly arranged on the outer wall of the fixed sleeve 410, the elastic blocks 420 are S-shaped butadiene rubber shock absorption blocks or springs, the elastic blocks 420 play a buffering role, and when being extruded, the elastic blocks can reduce the force borne by the elastic blocks and can effectively protect the optical fiber cores 100;
the outer protective layer 430 is sleeved outside the elastic blocks 420, and the outer protective layer 430 is a butadiene-acrylonitrile rubber outer protective layer.
When the outer protective layer 430 is subjected to external force during use, the external force is firstly buffered through the elastic block 420, the residual force after being buffered by the elastic block 420 is transmitted to the force component layer 300, the force received by the force component layer 300 is transmitted to two ends of the force component layer 300 along the outer wall of the force component layer 300, the received force is dispersed, the strength of the optical cable is effectively improved through the matching use of the force component layer 300 and the buffer layer 400, a larger extrusion force can be borne, and the service life of the optical cable is prolonged.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. The utility model provides a compound optical cable of resistant extrusion of high strength which characterized in that: the method comprises the following steps:
an optical fiber core (100);
the inner protection layer (200) is coated on the outer wall of the optical fiber wire core (100);
the force-dividing layer (300) is sleeved on the outer wall of the inner protective layer (200), and the force-dividing layer (300) is a spiral body force-dividing layer;
the buffer layer (400), the buffer layer (400) cup joints on the outer wall of the minute force layer (300).
2. The high-strength extrusion-resistant composite optical cable according to claim 1, wherein: the inner sheath (200) comprises:
the inner protective layer comprises an inner protective layer body (210), wherein the inner protective layer body (210) is made of silicon rubber;
a first spiral groove (220), the first spiral groove (220) opening on an outer wall of the inner sheath body (210).
3. The high-strength extrusion-resistant composite optical cable according to claim 2, wherein: the buffer layer (400) comprises:
the side wall of the inner cavity of the fixing sleeve (410) is provided with a second spiral groove;
a plurality of elastic blocks (420), wherein the elastic blocks (420) are uniformly arranged on the outer wall of the fixed sleeve (410);
the outer protective layer (430), the outer protective layer (430) cup joints the outside of a plurality of elasticity pieces (420).
4. A high strength crush-resistant composite optical cable as claimed in claim 3, wherein: the fixing sleeve (410) is a butadiene rubber fixing sleeve.
5. The high-strength extrusion-resistant composite optical cable according to claim 4, wherein: the elastic block (420) is an S-shaped butadiene rubber damping block or a spring.
6. The high-strength extrusion-resistant composite optical cable according to claim 5, wherein: the outer protective layer (430) is a butadiene-acrylonitrile rubber outer protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011351124.6A CN112327440B (en) | 2020-11-27 | 2020-11-27 | High-strength extrusion-resistant composite optical cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011351124.6A CN112327440B (en) | 2020-11-27 | 2020-11-27 | High-strength extrusion-resistant composite optical cable |
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| Publication Number | Publication Date |
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| CN112327440A CN112327440A (en) | 2021-02-05 |
| CN112327440B true CN112327440B (en) | 2022-12-09 |
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| CN202011351124.6A Active CN112327440B (en) | 2020-11-27 | 2020-11-27 | High-strength extrusion-resistant composite optical cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116047689A (en) * | 2023-03-06 | 2023-05-02 | 成都亨通光通信有限公司 | Layer stranded type mining optical cable |
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|---|---|---|---|---|
| CN105427931A (en) * | 2015-12-31 | 2016-03-23 | 齐鲁电缆有限公司 | Coal cutter flexible cable with reduced bearing force of control wire core |
| CN205539627U (en) * | 2016-02-26 | 2016-08-31 | 深圳市恒捷丰光电科技有限公司 | Can improve cable configuration that receives force intensity |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101332961B1 (en) * | 2008-12-26 | 2013-11-25 | 아사히 가세이 셍이 가부시키가이샤 | Extensible optical signal transmission cable |
| CN108415131B (en) * | 2018-03-30 | 2023-09-29 | 江苏南方通信科技有限公司 | Lateral pressure resistant optical cable |
| CN208335805U (en) * | 2018-06-28 | 2019-01-04 | 中山市广宏电线电缆有限公司 | A kind of cable of slow pressure tension |
| CN209168779U (en) * | 2018-11-02 | 2019-07-26 | 安徽兴华电缆有限公司 | Anti-torsion cable |
| CN109754924B (en) * | 2019-03-13 | 2020-11-17 | 安徽亢信电子科技有限公司 | High-impedance cable for connector |
| CN209992732U (en) * | 2019-06-25 | 2020-01-24 | 江苏欣诺成信息科技有限公司 | Odf optical fiber distribution frame convenient to equipment |
| CN210323512U (en) * | 2019-09-27 | 2020-04-14 | 江苏上诚电缆有限公司 | Reinforced indoor and outdoor optical fiber |
| CN210627946U (en) * | 2019-11-12 | 2020-05-26 | 南京宝能科技有限公司 | Computer cable convenient to heat dissipation |
| CN211181722U (en) * | 2019-12-12 | 2020-08-04 | 成都川缆电缆有限公司 | Cold-resistant spring cable |
| CN111679387B (en) * | 2020-06-22 | 2022-02-08 | 杭州富通通信技术股份有限公司 | Optical cable |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105427931A (en) * | 2015-12-31 | 2016-03-23 | 齐鲁电缆有限公司 | Coal cutter flexible cable with reduced bearing force of control wire core |
| CN205539627U (en) * | 2016-02-26 | 2016-08-31 | 深圳市恒捷丰光电科技有限公司 | Can improve cable configuration that receives force intensity |
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