CN113031182A - Novel resistance to compression protection against rodents stings optical cable - Google Patents
Novel resistance to compression protection against rodents stings optical cable Download PDFInfo
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- CN113031182A CN113031182A CN202110432659.4A CN202110432659A CN113031182A CN 113031182 A CN113031182 A CN 113031182A CN 202110432659 A CN202110432659 A CN 202110432659A CN 113031182 A CN113031182 A CN 113031182A
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- 241000283984 Rodentia Species 0.000 title description 10
- 239000013307 optical fiber Substances 0.000 claims abstract description 32
- 230000002265 prevention Effects 0.000 claims abstract description 6
- 239000004033 plastic Substances 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004760 aramid Substances 0.000 claims description 3
- 229920003235 aromatic polyamide Polymers 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
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- 238000004891 communication Methods 0.000 abstract description 5
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- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 14
- 229910052755 nonmetal Inorganic materials 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- 241000700159 Rattus Species 0.000 description 3
- 102100040287 GTP cyclohydrolase 1 feedback regulatory protein Human genes 0.000 description 2
- 101710185324 GTP cyclohydrolase 1 feedback regulatory protein Proteins 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
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- 229920001778 nylon Polymers 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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Images
Classifications
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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
- G02B6/4415—Cables for special applications
- G02B6/4427—Pressure resistant cables, e.g. undersea cables
-
- 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
- G02B6/441—Optical cables built up from sub-bundles
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Insulated Conductors (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention belongs to the technical field of communication, and discloses a novel compression-resistant rat-bite-proof optical cable which is provided with a plurality of loose tubes and a plurality of loose tube parts, wherein a plurality of optical fibers are arranged in the loose tubes; the loose tube and the loose part are positioned in the compression-resistant rat-proof component. The invention has the following main beneficial effects: the structure is simpler, the manufacture is easier, the qualified rate of finished products is higher, and the compression resistance and the biting prevention performance are better; the stripping, construction and maintenance performances are better.
Description
Technical Field
The invention belongs to the technical field of communication, and particularly relates to a novel compression-resistant and rat-bite-resistant optical cable.
Background
With the rapid development of the communication industry, the usage amount of the optical cable, which is one of the infrastructures, is increasing day by day, however, when the optical cable is used indoors and outdoors, the optical cable is often pressed and bitten by mice or animals, which often causes poor communication or interruption of communication, which causes inconvenience to operators, users, and the like.
CN212111909U discloses an optical cable is nibbled to protection against rodents, including pipe box, optic fibre, steel band, PE medium density inner sheath and PE medium density oversheath, be provided with a plurality of optic fibres in the pipe box, the outer parcel of pipe box has the steel band, the outer parcel of steel band has PE medium density inner sheath, the outer parcel of PE medium density inner sheath has PE medium density outer sheath. The diameter of the PE medium-density inner protective sleeve and the PE medium-density outer protective sleeve is increased by being wrapped together to reduce the biting of rats and insects.
CN211554406U discloses a non-metal armored rat-proof and termite-proof optical cable, which comprises a cable core and an outer sheath and is characterized in that the cable core is a layer-twisted cable core, a nylon sheath is coated outside the layer-twisted cable core, a non-metal reinforcing rod layer is armored outside the nylon sheath, a water-resistant layer is arranged outside the non-metal reinforcing rod layer, and the outer sheath is coated outside the water-resistant layer; the rat prevention is realized by an external armored non-metal reinforcing rod.
CN106125220A discloses a nonmetal light anti-animal-bite optical cable, which comprises a cable core and a sheath, wherein an anti-bite layer consisting of a plurality of GFRPs is stranded outside the cable core, and the cross section of the GFRP is flat or fan-shaped.
CN212276893U discloses a cable for data center access, which has a reinforcement, four composites, a protective layer, and an outer sheath; the method is characterized in that: the complex consists of three sector ring columns, three supporting bodies and three conductors, wherein the first supporting body is positioned between the reinforcing body and the first sector ring column, the second supporting body is positioned between the first sector ring column and the second sector ring column, the third supporting body is positioned between the second sector ring column and the third sector ring column, a sector ring column hole is formed in each sector ring column, and the conductors are positioned in the sector ring column holes; and a separation gap is formed between the adjacent composite bodies.
The above documents have the following drawbacks: the compression resistance of the cable is not strong, the rat-proof structure is too complex, and stripping is troublesome.
Disclosure of Invention
In order to solve the problems, the invention aims to disclose a novel pressure-resistant and rat-bite-resistant optical cable which is realized by adopting the following technical scheme.
A novel compression-resistant rat-bite-proof optical cable is provided with a plurality of loose tubes and a plurality of loose tube components, wherein a plurality of optical fibers are arranged in the loose tubes, and a plurality of optical fibers are arranged in the loose tube components, and is characterized in that the novel compression-resistant rat-bite-proof optical cable is also provided with the compression-resistant rat-proof components which are of an integrated structure and are composed of a central component, a plurality of inner extension components, a plurality of inner compression-resistant bodies, a plurality of outer extension components and a plurality of outer compression-resistant bodies, wherein the extension components are distributed outside the outer edge of the central component, the inner end of each extension component is connected with the outer edge of the central component, the outer end of each extension component is connected with the inner side surface of one inner compression-resistant body, the inner end of each outer extension component is connected with the outer side surface of one outer compression-resistant body, adjacent outer compression-resistant bodies are not contacted with each other and form an outer, the adjacent inner compression bodies are not contacted with each other and form inner openings between the adjacent inner compression bodies, the outer side surfaces of all the inner compression bodies are on the same circumference, the outer side surfaces of all the outer compression bodies are on the same circumference, outer cavities are formed among the outer side surfaces of the adjacent inner compression bodies, the inner side surfaces of the adjacent outer compression bodies and the adjacent outer extension parts, and inner cavities are formed among the inner side surfaces of the adjacent inner compression bodies, the outer edges of the central parts and the adjacent extension parts; the loose tube is located within the inner lumen and the loose member is located within the outer lumen.
According to the novel compression-resistant rat-bite-preventing optical cable, the width of the extension part in the compression-resistant rat-bite-preventing part is not larger than that of the extension part.
According to the novel compression-resistant rat-bite-proof optical cable, the cross section of the loose sleeve part is in a fan ring shape without a vertex angle.
Above-mentioned novel resistance to compression protection against rodents stings optical cable, its characterized in that: the width of the extension part in the pressure-resistant rat-proof part is larger than that of the outer extension part.
Above-mentioned novel resistance to compression protection against rodents stings optical cable, its characterized in that: the compression-resistant rat-proof component is of an integrated structure and comprises a central component, a plurality of inner extension components, a plurality of inner compression-resistant bodies, a plurality of outer extension components and a plurality of outer compression-resistant bodies, wherein the extension components are distributed outside the outer edge of the central component, the inner end of each extension component is connected with the outer edge of the central component, the outer end of each extension component is connected with the inner side surface of one inner compression-resistant body, the inner end of each outer extension component is connected with the outer side surface of the end head of one inner compression-resistant body, the outer end of each outer extension component is connected with the inner side surface of the end head of one outer compression-resistant body, adjacent outer compression-resistant bodies are not contacted and form an outer opening therebetween, adjacent inner compression-resistant bodies are not contacted and form inner openings therebetween, the inner side surfaces of all the inner compression-resistant bodies are on the same circumference, and the outer side surfaces of all, an outer cavity is formed among the outer side surface of each inner compression-resisting body, the inner side surface of each outer compression-resisting body and the inner surfaces of the outer extension parts at the two ends of each outer compression-resisting body, and an inner cavity is formed among the inner side surfaces of the adjacent inner compression-resisting bodies, the outer edge of the central part and the adjacent extension parts; the loose tube is located within the inner lumen and the loose member is located within the outer lumen.
Above-mentioned novel resistance to compression protection against rodents stings optical cable, its characterized in that: the cross section of the loose sleeve part is circular, elliptical, triangular, rectangular or other shapes.
Above-mentioned novel resistance to compression protection against rodents stings optical cable, its characterized in that: the inside of the loose part is an optical fiber belt body which is composed of one or a plurality of laminated optical fiber belts.
Above-mentioned novel resistance to compression protection against rodents stings optical cable, its characterized in that: two loose parts are arranged in each outer cavity, furthermore, other loose parts can be arranged in each outer cavity, and the number of the loose parts in the outer cavities can be equal or unequal.
Above-mentioned novel resistance to compression protection against rodents stings optical cable, its characterized in that: the anti-rat-proof component is externally provided with an anti-bite layer, and the anti-bite layer is externally provided with an outer sheath.
The novel compression-resistant rat-bite-preventing optical cable is characterized in that the number of the loose tubes in the inner cavity can be multiple, and the number of the loose tubes in the inner cavity can be equal or different.
The novel compression-resistant rat-bite-proof optical cable is characterized in that the compression-resistant rat-bite-proof component is made of plastic, steel, iron, copper or aluminum.
The novel compression-resistant rat-bite-proof optical cable is characterized in that the loose tube is made of plastic or steel.
The novel pressure-resistant and rat-bite-resistant optical cable is characterized in that the type of the optical fiber is G.651 or G.652 or G.653 or G.654 or G.655 or G.656 or G.657 or A1a or A1b or A1c or A1d or A1e or OM1 or OM2 or OM3 or OM 4.
The novel compression-resistant rat-bite-proof optical cable is characterized in that the material of the loose sleeve part is plastic or steel.
The novel pressure-resistant and rat-bite-resistant optical cable is characterized in that the light-guiding fibers are optical fibers, and the type of the optical fibers is G.651 or G.652 or G.653 or G.654 or G.655 or G.656 or G.657 or A1a or A1b or A1c or A1d or A1e or OM1 or OM2 or OM3 or OM 4.
The novel pressure-resistant rat-bite-proof optical cable is characterized in that the optical fiber ribbon in the optical fiber ribbon body is the optical fiber ribbon specified in YD/T.
The novel compression-resistant rat-bite-preventing optical cable is characterized in that the material of the rat-bite-preventing layer is a glass fiber tape or glass fiber yarns or aramid yarns.
The novel compression-resistant rat-bite-proof optical cable is characterized in that the outer sheath is made of plastic.
The invention has the following main beneficial effects: the structure is simpler, the manufacture is easier, the qualified rate of finished products is higher, and the compression resistance and the biting prevention performance are better; the stripping, construction and maintenance performances are better.
Drawings
Fig. 1 is a schematic perspective view of a dissected segment of the example 1.
Fig. 2 is an enlarged cross-sectional structure diagram of fig. 1.
Fig. 3 is a schematic cross-sectional structure view of the compression-resistant ratproof member used in fig. 1.
FIG. 4 is a schematic cross-sectional view of yet another compression-resistant ratproof component that may be used in the present application.
Fig. 5 is a schematic cross-sectional view of a conventional compression-resistant ratproof member usable in the present application.
Fig. 6 is a schematic perspective view of a dissected segment of the example 2.
Fig. 7 is an enlarged cross-sectional view of fig. 6.
Fig. 8 is a schematic perspective view of a dissected segment of the example 3.
Fig. 9 is an enlarged cross-sectional view of fig. 8.
Fig. 10 is a schematic perspective view of a dissected segment of the example 4.
Fig. 11 is an enlarged cross-sectional view of fig. 10.
Fig. 12 is a schematic perspective view of a dissected segment of the example 5.
Fig. 13 is an enlarged cross-sectional view of fig. 12.
In order that those skilled in the art will more accurately and clearly understand and practice the present application, reference is now made to the following descriptions taken in conjunction with the accompanying drawings, in which: 2-compression-resistant rat guard part, 3-loose tube, 4-optical fiber, 5-loose tube part, 6-optical fiber, 7-optical fiber band body, 8-bite-proof layer, 9-outer sheath, 20-outer opening, 21-central part, 22-inner extension part, 23-inner compression-resistant body, 24-outer extension part, 25-outer compression-resistant body, 26-inner cavity, 27-outer cavity and 28-inner opening.
Detailed Description
Examples 1
Referring to fig. 1 to 3, 4 and 5, a novel compression-resistant and rat-bite-proof optical cable comprises a plurality of loose tubes 3, a plurality of loose parts 5, a plurality of optical fibers 4 in the loose tubes 3, and a plurality of optical fibers 6 in the loose parts 5, and is characterized in that the novel compression-resistant and rat-bite-proof optical cable further comprises a compression-resistant and rat-proof part 2, the compression-resistant and rat-proof part 2 is of an integrated structure, the compression-resistant and rat-proof part 2 is composed of a central part 21, a plurality of inner extension parts 22, a plurality of inner compression-resistant bodies 23, a plurality of outer extension parts 24 and a plurality of outer compression-resistant bodies 25, the extension parts 22 are distributed outside the outer edge of the central part 21, the inner end of each extension part 22 is connected with the outer edge of the central part 21, the outer end of each extension part 22 is connected with the inner side surface of one inner compression-resistant body 23, the inner end of, the outer end of each outer extension member 24 is connected to the inner side surface of one outer compression body 25, adjacent outer compression bodies 25 are not in contact with each other and form an outer opening 20 therebetween, adjacent inner compression bodies 23 are not in contact with each other and form an inner opening 28 therebetween, the outer side surfaces of all inner compression bodies 23 are on the same circumference, the outer side surfaces of all outer compression bodies 25 are on the same circumference, the outer side surfaces of adjacent inner compression bodies 23, the inner side surfaces of adjacent outer compression bodies 25, the outer extension members 24 form an outer cavity 27 therebetween, and the inner side surfaces of adjacent inner compression bodies 23, the outer edge of the central member 21, and the inner cavity 26 between adjacent extension members 22; the loose tube 3 is located within the inner lumen 26 and the loose member 5 is located within the outer lumen 27.
According to the novel compression-resistant rat-bite-preventing optical cable, the width of the extension part 22 in the compression-resistant rat-bite-preventing part 2 is not larger than that of the extension part 24.
According to the novel compression-resistant rat-bite-proof optical cable, the cross section of the loose part 5 is in a fan ring shape without a vertex angle.
Referring to fig. 4 and fig. 3, the above-described novel pressure-resistant rat-bite-proof optical cable is substantially the same as embodiment 1, except that: the extension part 22 of the compression-resistant rat-proof part 2 has a width larger than that of the outer extension part 24, in which case the compression resistance is stronger.
Referring to fig. 5, and fig. 3 and 4, the above-mentioned novel pressure-resistant rat-bite-proof optical cable is substantially the same as embodiment 2, except that: the compression-resistant rat-proof component 2 is of an integrated structure, the compression-resistant rat-proof component 2 is composed of a central component 21, a plurality of inner extension components 22, a plurality of inner compression-resistant bodies 23, a plurality of outer extension components 24 and a plurality of outer compression-resistant bodies 25, the extension components 22 are distributed outside the outer edge of the central component 21, the inner end of each extension component 22 is connected with the outer edge of the central component 21, the outer end of each extension component 22 is connected with the inner side surface of one inner compression-resistant body 23, the inner end of each outer extension component 24 is connected with the outer side surface of the end of one inner compression-resistant body 23, the outer ends of each outer extension component 24 are connected with the inner side surface of the end of one outer compression-resistant body 25, adjacent outer compression-resistant bodies 25 are not contacted with each other and form outer openings 20 therebetween, adjacent inner compression-resistant bodies 23 are not contacted with each other and form inner openings therebetween, the, the outer side surfaces of all the outer compression bodies 25 are on the same circumference, an outer cavity 27 is formed between the outer side surface of each inner compression body 23, the inner side surface of each outer compression body 25, and the inner surfaces of the outer extension members 24 at both ends of each outer compression body 25, and an inner cavity 26 is formed between the inner side surfaces of the adjacent inner compression bodies 23, the outer edge of the central member 21, and the adjacent extension members 22; the loose tube 3 is located within the inner lumen 26 and the loose member 5 is located within the outer lumen 27.
The compression-resistant ratproof parts of fig. 3 to 5 in this embodiment can be used in any embodiment of the present application.
EXAMPLES example 2
Referring to fig. 6 and 7, and fig. 1 to 5, a novel pressure-resistant rat-bite-proof optical cable is basically the same as embodiment 1 except that: the cross section of the loose part 5 is circular ring, elliptical ring, triangular ring, rectangular ring or other shapes.
EXAMPLE 3
Referring to fig. 8 and 9, and to fig. 1 to 7, a novel compression-resistant and rat-bite-resistant optical cable is substantially the same as embodiment 2, except that an optical fiber ribbon body 7 is arranged inside the loose tube member 5, and the optical fiber ribbon body is composed of one or more stacked optical fiber ribbons.
EXAMPLE 4
Referring to fig. 10 and 11, and to fig. 1 to 9, a novel pressure-resistant and rat-bite-resistant optical cable is substantially the same as that of embodiment 3, except that two loose parts 5 are provided in each outer cavity 27, further, a plurality of other loose parts may be provided in each outer cavity 27, and the number of the loose parts 5 in the outer cavities 27 may be equal or unequal.
EXAMPLE 5
Referring to fig. 12 and 13, and fig. 1 to 11, a novel pressure-resistant rat-bite-proof optical cable is basically the same as embodiment 4 except that: an anti-bite layer 8 is arranged outside the pressure-resistant rat-proof component, and an outer sheath 9 is arranged outside the anti-bite layer 8.
The anti-bite layer 8 and the outer sheath 9 in the embodiment can be applied to other embodiments.
The novel pressure-resistant rat-bite-preventing optical cable is characterized in that the number of the loose tubes in the inner cavity can be multiple, and the number of the loose tubes in the inner cavity can be equal or different.
The novel pressure-resistant rat-bite-proof optical cable is characterized in that the material of the pressure-resistant rat-bite-proof component is plastic or steel or iron or copper or aluminum.
The novel pressure-resistant rat-bite-proof optical cable is characterized in that the material of the loose tube is plastic or steel.
The novel pressure-resistant and rat-bite-resistant optical cable is characterized in that the type of the optical fiber is G.651 or G.652 or G.653 or G.654 or G.655 or G.656 or G.657 or A1a or A1b or A1c or A1d or A1e or OM1 or OM2 or OM3 or OM 4.
The novel pressure-resistant rat-bite-proof optical cable is characterized in that the material of the loose sleeve part is plastic or steel.
The novel pressure-resistant and rat-bite-resistant optical cable is characterized in that the light-guiding fibers are optical fibers, and the types of the optical fibers are G.651 or G.652 or G.653 or G.654 or G.655 or G.656 or G.657 or A1a or A1b or A1c or A1d or A1e or OM1 or OM2 or OM3 or OM 4.
The novel pressure-resistant rat-bite-proof optical cable is characterized in that the optical fiber ribbon in the optical fiber ribbon body is the optical fiber ribbon specified in YD/T979.
The novel pressure-resistant rat-bite-preventing optical cable is characterized in that the material of the rat-bite-preventing layer is a glass fiber tape or glass fiber yarns or aramid yarns.
The novel pressure-resistant rat-bite-proof optical cable is characterized in that the outer sheath is made of plastic.
In this application, interior/outer opening for loose tube, loose tube part take out more convenient, be more convenient for construction, inspection, maintenance.
In the application, the compression-resistant rat-proof component is made of high-strength and high-hardness plastic or hard metal, and the central component, the inner extension component and the outer extension component are arranged, so that the compression-resistant capacity is higher, the optical cable in the prior art adopts steel wires or plastic rods for armor compression resistance, and the compression-resistant rat-proof component is integrally formed and can be formed by extrusion molding or on-line casting, so that the structure is novel relative to the prior art, and in addition, the compression-resistant principle is different; in addition, the strength and rigidity of the compression-resistant rat-proof component effectively prevent rodents and animals from biting, gnawing and the like.
When the structure of the compression-resistant ratproof member in fig. 3 and 4 is used in the present application, the outer end of the inner extension member is preferably connected at or near the center of the inner compression-resistant inner surface, the outer end of the outer extension member is preferably connected at or near the center of the outer compression-resistant inner surface, and the inner extension member and the outer extension member are both part of the circular arc cylinder.
In this application, when having the layer of preventing stinging, it has thorn performance, prevents gnawing to sting the performance better.
In this application, when having the oversheath, increased thickness, it is more difficult to gnaw the bite and gnaw to loose pipe or loose cover part.
This application has following main advantage: (1) the structure is simple, the manufacture is easy, and the qualification rate of finished products is high; (2) the compression resistance and the biting prevention performance are better; (3) the stripping, construction and maintenance performances are better.
The invention has the following main beneficial effects: the structure is simpler, the manufacture is easier, the qualified rate of finished products is higher, and the compression resistance and the biting prevention performance are better; the stripping, construction and maintenance performances are better.
The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be construed as limiting the present invention. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (10)
1. The utility model provides a novel resistance to compression rat bite optical cable, has many loose tubes (3), a plurality of loose parts (5), has many optical fiber (4) in the loose tube (3), has many optical fiber (6) in the loose part (5), characterized in that still have resistance to compression rat bite part (2) in the novel resistance to compression rat bite optical cable, resistance to compression rat part (2) structure as an organic whole, resistance to compression rat part (2) by central component (21), a plurality of interior extension part (22), a plurality of interior resistance to compression body (23), a plurality of outer extension part (24), a plurality of outer resistance to compression body (25) constitute, extension part (22) distribute outside the outer fringe of central component (21), the outer fringe of central component (21) is connected to the inner of every extension part (22), the inner side surface of an interior resistance to compression body (23) is connected to the outer end of every extension part (22), the inner end of each outer extension member (24) is connected to the outer side surface of one inner compression body (23), the outer end of each outer extension member (24) is connected to the inner side surface of one outer compression body (25), adjacent outer compression bodies (25) are not in contact with each other and form an outer opening (20) therebetween, adjacent inner compression bodies (23) are not in contact with each other and form an inner opening (28) therebetween, the outer side surfaces of all inner compression bodies (23) are on the same circumference, the outer side surfaces of all outer compression bodies (25) are on the same circumference, the outer side surfaces of adjacent inner compression bodies (23), the inner side surfaces of adjacent outer compression bodies (25), the outer cavities (27) between adjacent outer extension members (24), the inner side surfaces of adjacent inner compression bodies (23), an inner cavity (26) is formed between the outer edge of the central part (21) and the adjacent extension parts (22); the loose tube (3) is located within the inner lumen (26) and the loose member (5) is located within the outer lumen (27).
2. The novel pressure-resistant rat-bite-proof optical cable according to claim 1, characterized in that: the width of the extension part (22) in the compression-resistant rat-proof part (2) is larger than that of the outer extension part (24).
3. A novel compression-resistant rat-bite-resistant optical cable according to claim 1 or claim 2, characterized in that: the compression-resistant rat guard component (2) is composed of a central component (21), a plurality of inner extension components (22), a plurality of inner compression-resistant bodies (23), a plurality of outer extension components (24) and a plurality of outer compression-resistant bodies (25), wherein the extension components (22) are distributed outside the outer edge of the central component (21), the inner end of each extension component (22) is connected with the outer edge of the central component (21), the outer end of each extension component (22) is connected with the inner side surface of one inner compression-resistant body (23), the inner end of each outer extension component (24) is connected with the outer side surface of the end of one inner compression-resistant body (23), the outer end of each outer extension component (24) is connected with the inner side surface of the end of one outer compression-resistant body (25), adjacent outer compression-resistant bodies (25) are not contacted and form an outer opening (20) therebetween, adjacent inner compression-resistant bodies (23) are not contacted and form an inner opening therebetween, the inner side surfaces of all the inner compression bodies (23) are on the same circumference, the outer side surfaces of all the outer compression bodies (25) are on the same circumference, an outer cavity (27) is formed among the outer side surface of each inner compression body (23), the inner side surface of each outer compression body (25), and the inner surfaces of the outer extension parts (24) at the two ends of each outer compression body (25), and an inner cavity (26) is formed among the inner side surfaces of the adjacent inner compression bodies (23), the outer edge of the central part (21), and the adjacent extension parts (22); the loose tube (3) is located within the inner lumen (26) and the loose member (5) is located within the outer lumen (27).
4. A novel optical cable with compression resistance and rat bite prevention as claimed in claim 3, wherein the cross section of the loose part (5) is a sector ring with a truncated corner, or the cross section of the loose part (5) is a circular ring, or the cross section of the loose part (5) is an elliptical ring, or the cross section of the loose part (5) is a triangular ring, or the cross section of the loose part (5) is a rectangular ring.
5. The novel pressure-resistant rat-bite-proof optical cable according to claim 4, characterized in that: inside the loose part (5) is an optical fiber belt body (7) which is composed of one or a plurality of laminated optical fiber belts.
6. The novel pressure-resistant rat-bite-proof optical cable according to claim 5, characterized in that: an anti-bite layer (8) is arranged outside the compression-resistant rat-proof component, and an outer sheath (9) is arranged outside the anti-bite layer (8).
7. The novel pressure-resistant rat-bite-proof optical cable according to claim 6, characterized in that: the material of the compression-resistant rat-proof component is plastic or steel or iron or copper or aluminum.
8. The novel pressure-resistant rat-bite-proof optical cable according to claim 7, characterized in that: the material of the loose tube is plastic or steel.
9. The novel pressure-resistant rat-bite-proof optical cable according to claim 8, characterized in that: the model of the optical fiber is G.651 or G.652 or G.653 or G.654 or G.655 or G.656 or G.657 or A1a or A1b or A1c or A1d or A1e or OM1 or OM2 or OM3 or OM 4; the light guide fiber is an optical fiber, and the model number of the optical fiber is G.651 or G.652 or G.653 or G.654 or G.655 or G.656 or G.657 or A1a or A1b or A1c or A1d or A1e or OM1 or OM2 or OM3 or OM 4.
10. The novel pressure-resistant rat-bite-proof optical cable according to claim 9, characterized in that: the material of the loose sleeve part is plastic or steel, the material of the anti-biting layer is glass fiber belt or glass fiber yarn or aramid yarn, and the material of the outer sheath is plastic.
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| CN202110432659.4A CN113031182B (en) | 2021-04-21 | 2021-04-21 | Compression-resistant rat-bite-resistant optical cable |
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| CN202110432659.4A CN113031182B (en) | 2021-04-21 | 2021-04-21 | Compression-resistant rat-bite-resistant optical cable |
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| CN114578500A (en) * | 2022-03-02 | 2022-06-03 | 长飞光电线缆(苏州)有限公司 | Ribbon optical cable capable of taking out ribbon from two sides |
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