CN117148530A - Optical cable capable of preventing mice - Google Patents
Optical cable capable of preventing mice Download PDFInfo
- Publication number
- CN117148530A CN117148530A CN202311440013.6A CN202311440013A CN117148530A CN 117148530 A CN117148530 A CN 117148530A CN 202311440013 A CN202311440013 A CN 202311440013A CN 117148530 A CN117148530 A CN 117148530A
- Authority
- CN
- China
- Prior art keywords
- layer
- nesting
- limiting
- side walls
- limiting groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 51
- 241000699670 Mus sp. Species 0.000 title description 2
- 230000005540 biological transmission Effects 0.000 claims abstract description 58
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 11
- 239000013307 optical fiber Substances 0.000 claims description 78
- 230000002787 reinforcement Effects 0.000 claims description 38
- 241000283984 Rodentia Species 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 8
- 239000004677 Nylon Substances 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- 239000003351 stiffener Substances 0.000 claims description 5
- 239000010410 layer Substances 0.000 description 254
- 239000011241 protective layer Substances 0.000 description 8
- 239000004698 Polyethylene Substances 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- G02B6/4432—Protective covering with fibre reinforcements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention belongs to the field of cables, and particularly relates to a ratproof optical cable which is provided with a cable core, an inner protection layer, a ratproof layer and an outer protection layer, wherein the inner protection layer is extruded outside the cable core, the ratproof layer is positioned outside the inner protection layer, and the outer protection layer is extruded outside the ratproof layer, and the cable is characterized in that: the cable core is composed of four transmission units and a central reinforcing piece, the transmission units are composed of a first nesting layer and at least one second nesting layer, the second nesting layer on the outermost layer is nested with the first nesting layer, all the second nesting layers are nested layer by layer, a first accommodating cavity is formed between the first nesting layer and one second nesting layer, a second accommodating cavity is formed between two adjacent second nesting layers, and optical communication components are arranged in the first accommodating cavity and the second accommodating cavity; the invention has the advantages of simple structure, convenient taking of optical communication components, adjustable widths of the first accommodating cavity and the second accommodating cavity, repeated utilization of the first nesting layer and the second nesting layer, good mechanical property, good rat-proof property and the like.
Description
Technical Field
The invention belongs to the field of cables, and particularly relates to a rat-proof optical cable.
Background
In the prior art, for example, CN211263901U discloses a ribbon-shaped optical cable, which has a reinforcement body composed of two identical reinforcements, four optical fiber ribbons outside the reinforcement body, a protective layer for covering all the optical fiber ribbons, and an outer sheath outside the protective layer; the reinforcing member is a column structure formed by encircling a first small semi-cylinder side surface which starts to extend outwards from the top of a plane part of a large semi-cylinder, a second small semi-cylinder side surface which starts to extend inwards from the bottom of the plane part of the large semi-cylinder and a column side surface of the large semi-cylinder, wherein the sum of the diameter of the first small semi-cylinder and the diameter of the second small semi-cylinder is equal to the diameter of the large semi-cylinder, and the lower edge of the first small semi-cylinder is overlapped with the upper edge of the second small semi-cylinder; two identical reinforcement members are combined in an inverted mode to form a complete cylindrical reinforcement member structure; each optical fiber ribbon consists of a plurality of inner layer optical fibers, a plurality of outer layer optical fibers positioned on the inner layer optical fibers and an optical fiber ribbon body wrapping all the inner layer optical fibers and the outer layer optical fibers, wherein the number of the outer layer optical fibers is smaller than that of the inner layer optical fibers, the inner edge of each optical fiber ribbon is a plane, the outer edge of each optical fiber ribbon is a plane, the length of the outer edge of each optical fiber ribbon is smaller than that of the inner edge of each optical fiber ribbon, the vertical bisecting plane of the inner edge of each optical fiber ribbon and the vertical bisecting plane of the outer edge of each optical fiber ribbon are overlapped and pass through the central axis of the reinforcing member body, and the inner edge of each optical fiber ribbon is tightly attached to the reinforcing member body; the inner edges of all the optical fiber ribbons are spliced to form a square-section column.
The prior art has the following defects: 1. the optical fiber is inconvenient to take; 2. once the fiber ribbon body is molded, the number of the optical fibers cannot be increased or decreased; 3. the optical fiber ribbon body can not be reused before and after being taken out.
Disclosure of Invention
In order to solve the problems, the invention aims to disclose a rat-proof optical cable, which is realized by adopting the following technical scheme.
The utility model provides a but optical cable of protection against rodents, has cable core, interior sheath, protection against rodents layer and outer sheath, and interior sheath extrusion molding is outside the cable core, and the protection against rodents layer is located outside the interior sheath, and outer sheath extrusion molding is outside the protection against rodents layer, its characterized in that: the cable core consists of four transmission units and a central reinforcing piece, wherein each transmission unit consists of a first nesting layer and at least one second nesting layer, the first nesting layer consists of two first side walls, one ends of the two first side walls are vertically connected, the second nesting layer consists of two second side walls, and one ends of the two second side walls are vertically connected;
when the first nesting layer is arranged, the first nesting layer is nested in the first nesting layer, the other ends of the two second side walls of the first nesting layer are fixed with the other ends of the two first side walls of the first nesting layer, a first accommodating cavity is formed between the first nesting layer and the second nesting layer, and at least one light transmission component is arranged in the first accommodating cavity;
When the first nested layer is provided with a plurality of first nested layers, the first nested layers are nested in the first nested layers, the other ends of the first side walls of the first nested layers are fixed with the other ends of the first side walls of the first nested layers, a first accommodating cavity is formed between the first side walls of the first nested layers and the second side walls of the first nested layers, and at least one light transmission component is arranged in the first accommodating cavity; the other ends of the two second side walls of the two adjacent second nesting layers are correspondingly connected respectively, a second accommodating cavity is formed between the second side walls of the two adjacent second nesting layers, and at least one light transmission component is arranged in the second accommodating cavity;
the central reinforcement consists of a square central reinforcement main body and four clamping blocks, wherein the four clamping blocks are respectively positioned at four vertex angles of the central reinforcement main body in the same cross section, and the clamping blocks are inserted into the second accommodating grooves of the second nested layers of the corresponding innermost layers.
The above-mentioned but optical cable of protection against rodents, its characterized in that: the first nesting layer is also provided with two first limiting parts, the other ends of the two first side walls are respectively and vertically connected with one end of the corresponding first limiting part, the two first side walls and the two first limiting parts are positioned in the same square, a first inlet is formed between the other ends of the two first limiting parts, and a first accommodating groove is formed between the two first side walls and the two first limiting parts;
The second nesting layer is further provided with two second limiting parts, two limiting groove bottom edges and two limiting groove outer side edges, the other ends of the two second side walls are respectively and vertically connected with the corresponding second limiting parts, a second inlet opening is formed between the other ends of the two second limiting parts, a second containing groove is formed between the two second side walls and the two second limiting parts, the other ends of the two second limiting parts are respectively and vertically connected with the corresponding limiting groove bottom edges, the other ends of the two limiting groove bottom edges are vertically connected with one end of the limiting groove outer side edge, a limiting groove is formed among the second limiting parts on the same side, the limiting groove bottom edges and the limiting groove outer side edge, and the limiting groove is positioned outside the second containing groove;
the second side wall of the second nesting layer of the outermost layer and the second limiting part are positioned in the first accommodating groove of the first nesting layer, the first limiting part of the first nesting layer is spliced with the corresponding limiting groove, the outer side edges of the second limiting part and the limiting groove are respectively attached to two side surfaces of the corresponding first limiting part, and the bottom edge of the limiting groove is attached to the other end of the corresponding first limiting part;
in the adjacent two second nested layers, the second side wall of the second nested layer at the inner side and the second limiting part are positioned in the second accommodating groove of the second nested layer at the outer side, the second limiting part of the second nested layer at the outer side, the limiting groove bottom edge and the limiting groove outer side edge of the limiting groove are spliced with the limiting groove corresponding to the second nested layer at the inner side, the second limiting part of the second nested layer at the inner side is attached to the second limiting part of the second nested layer at the outer side, and the limiting groove bottom edge of the second nested layer at the inner side is attached to the limiting groove bottom edge of the second nested layer at the outer side.
The above-mentioned but optical cable of protection against rodents, its characterized in that: the other ends of the outer sides of the limiting grooves of all the second nesting layers are positioned in the same plane with the outer walls of the corresponding first side walls.
The above-mentioned but optical cable of protection against rodents, its characterized in that: the side walls of the clamping blocks are respectively attached to the second side walls of the corresponding second nesting layers and the second limiting parts, the outer side edges of limiting grooves of the other second nesting layers of the two adjacent transmission units are attached to each other, and the outer side walls of the first side walls of all the transmission units are located on the same square side.
The utility model provides a but optical cable of protection against rodents, has cable core, interior sheath, protection against rodents layer and outer sheath, and interior sheath extrusion molding is outside the cable core, and the protection against rodents layer is located outside the interior sheath, and outer sheath extrusion molding is outside the protection against rodents layer, its characterized in that: the cable core consists of four transmission units and four filling reinforcing pieces, wherein each transmission unit consists of a first nesting layer and at least one second nesting layer, the first nesting layer consists of two first side walls, one ends of the two first side walls are vertically connected, the second nesting layer consists of two second side walls, and one ends of the two second side walls are vertically connected;
When the first nesting layer is arranged, the first nesting layer is nested in the first nesting layer, the other ends of the two second side walls of the first nesting layer are fixed with the other ends of the two first side walls of the first nesting layer, a first accommodating cavity is formed between the first nesting layer and the second nesting layer, and at least one light transmission component is arranged in the first accommodating cavity;
when the first nested layer is provided with a plurality of first nested layers, the first nested layers are nested in the first nested layers, the other ends of the first side walls of the first nested layers are fixed with the other ends of the first side walls of the first nested layers, a first accommodating cavity is formed between the first side walls of the first nested layers and the second side walls of the first nested layers, and at least one light transmission component is arranged in the first accommodating cavity; the other ends of the two second side walls of the two adjacent second nested layers are correspondingly connected respectively, a second containing cavity is formed between the second side walls of the two adjacent second nested layers, at least one light transmission component is arranged in the second containing cavity, the first side walls of the first nested layers of the four transmission units are adhered to each other, and the filling reinforcing piece is inserted into the second containing groove of the corresponding innermost second nested layer.
The above-mentioned but optical cable of protection against rodents, its characterized in that: the first nesting layer is also provided with two first limiting parts, the other ends of the two first side walls are respectively and vertically connected with one end of the corresponding first limiting part, the two first side walls and the two first limiting parts are positioned in the same square, a first inlet is formed between the other ends of the two first limiting parts, and a first accommodating groove is formed between the two first side walls and the two first limiting parts;
the second nesting layer is further provided with two second limiting parts, two limiting groove bottom edges and two limiting groove outer side edges, the other ends of the two second side walls are respectively and vertically connected with the corresponding second limiting parts, a second inlet opening is formed between the other ends of the two second limiting parts, a second containing groove is formed between the two second side walls and the two second limiting parts, the other ends of the two second limiting parts are respectively and vertically connected with the corresponding limiting groove bottom edges, the other ends of the two limiting groove bottom edges are vertically connected with one end of the limiting groove outer side edge, a limiting groove is formed among the second limiting parts on the same side, the limiting groove bottom edges and the limiting groove outer side edge, and the limiting groove is positioned outside the second containing groove;
The second side wall of the second nesting layer of the outermost layer and the second limiting part are positioned in the first accommodating groove of the first nesting layer, the first limiting part of the first nesting layer is spliced with the corresponding limiting groove, the outer side edges of the second limiting part and the limiting groove are respectively attached to two side surfaces of the corresponding first limiting part, and the bottom edge of the limiting groove is attached to the other end of the corresponding first limiting part;
in the adjacent two second nested layers, the second side wall of the second nested layer at the inner side and the second limiting part are positioned in the second accommodating groove of the second nested layer at the outer side, the second limiting part of the second nested layer at the outer side, the limiting groove bottom edge and the limiting groove outer side edge of the limiting groove are spliced with the limiting groove corresponding to the second nested layer at the inner side, the second limiting part of the second nested layer at the inner side is attached to the second limiting part of the second nested layer at the outer side, and the limiting groove bottom edge of the second nested layer at the inner side is attached to the limiting groove bottom edge of the second nested layer at the outer side.
The above-mentioned but optical cable of protection against rodents, its characterized in that: the filling reinforcement is formed by integrating a first filling body, a second filling body and a first reinforcement, the first filling body and the second filling body are positioned in the second filling body, the first filling body is provided with a third side edge and two fourth side edges, the second filling body is provided with two fifth side edges and two sixth side edges, two ends of the third side edge are respectively connected with one end of the corresponding fourth side edge, the other end of the fourth side edge is respectively connected with one end of the corresponding fifth side edge, the other end of the fifth side edge is respectively connected with one end of the corresponding sixth side edge, the other ends of the two sixth side edges are connected, the filling reinforcement is inserted into a second accommodating groove of the corresponding innermost second nesting layer, the two fourth side edges are respectively attached to the bottom edges of the limiting grooves of the corresponding innermost second nesting layer, the two fifth side edges are respectively attached to the second limiting parts of the corresponding innermost second nesting layer, and the two sixth side edges are respectively attached to the second side walls of the corresponding innermost second nesting layer.
The above-mentioned but optical cable of protection against rodents, its characterized in that: the first nesting layer material is nylon.
The above-mentioned but optical cable of protection against rodents, its characterized in that: the second nesting layer is made of nylon.
The above-mentioned but optical cable of protection against rodents, its characterized in that: the optical transmission component is an optical fiber or an optical fiber ribbon, and the optical fiber ribbon is formed by combining at least two optical fibers.
The above-mentioned but optical cable of protection against rodents, its characterized in that: the optical fiber is a multimode optical fiber or a single mode optical fiber.
The above-mentioned but optical cable of protection against rodents, its characterized in that: the outer protective layer material is polyethylene.
The above-mentioned but optical cable of protection against rodents, its characterized in that: the rat-proof layer is made of stainless steel strips.
The above-mentioned but optical cable of protection against rodents, its characterized in that: the inner protective layer material is polyethylene.
The above-mentioned but optical cable of protection against rodents, its characterized in that: the central reinforcement material is steel or glass fiber reinforced plastic.
Therefore, the invention has the following beneficial effects: 1. the transmission unit is formed by nesting a first nesting layer, a second nesting layer and two second nesting layers, when the optical fiber or the optical fiber ribbon is required to be taken out, the nesting layers where the optical fiber or the optical fiber ribbon is positioned are separated, so that the transmission unit is very convenient, can be taken out in a targeted manner, and does not need to separate other nesting layers.
2. The first nesting layer and the second nesting layer are fixed in an inserting way through the first limiting component and the limiting groove, the distance between the other ends of the two second side walls is smaller than the width of the first inlet, and the positions of the first nesting layer and the second nesting layer are further fixed; in the two second nested layers, the second limiting part, the bottom edge of the limiting groove and the outer side edge of the limiting groove of the other second nested layer are inserted into the limiting groove corresponding to one second nested layer, and the distance between the other end of the second limiting part of the inner second nested layer is smaller than the width of the second inlet of the outer second nested layer, so that the positions of the two second nested layers are further fixed.
3. The width of the first accommodating cavity and the width of the second accommodating cavity can be adjusted according to the depth of the limiting grooves, and the limiting grooves with different depths can be selected according to the requirements, so that different numbers of optical fibers or optical fiber belts can be placed in the first accommodating cavity and the second accommodating cavity.
4. After the optical fiber or the optical fiber ribbon is taken out, the optical fiber or the optical fiber ribbon can be reassembled, and the taking of the loose tube is not required to be damaged like a common loose tube; and the first nesting layer and the second nesting layer can be recycled and reused for the transmission unit, so that the material is saved and the environment is protected.
5. The second nesting layer can be nested layer by layer according to the requirement of the optical fiber layer number, is flexible and convenient, increases the space utilization rate of the transmission unit, can be increased in the later stage according to the order requirement, and reduces the stock of the stock.
6. The optical fibers or the optical fiber bands are separated by the second nested layer, and different optical fibers or optical fiber bands can be placed in the first accommodating cavity and the second accommodating cavity, so that the effect of transmitting different signals in the same transmission unit is achieved.
7. The transmission units are connected with the central reinforcing piece in a clamping mode, two adjacent transmission units are attached to each other, and a square cable core is formed, so that the inner structure of the optical cable is firmer, and the mechanical property of the optical cable is improved.
8. When four filling reinforcement pieces are arranged, the four filling reinforcement pieces are positioned around the cable core, so that the stress of the optical cable is more uniform, and the mechanical property is better.
9. When having four and filling the reinforcement, optic fibre or optic fibre outband not only have outer sheath, protection against rodents layer and interior sheath, still have multilayer spacing groove outside limit, make the protection against rodents effect of optical cable better.
Drawings
Fig. 1 is a schematic perspective view of a section of embodiment 1.
Fig. 2 is a schematic structural view of the end face of embodiment 1.
Fig. 3 is a schematic perspective view of the transmission unit of embodiment 1.
Fig. 4 is a schematic structural view of an end face of the transmission unit of embodiment 1.
Fig. 5 is a schematic structural view of an end face of the first nesting layer of embodiment 1.
Fig. 6 is a schematic structural diagram of an end face of the second nesting layer of embodiment 1.
Fig. 7 is a schematic perspective view of the center reinforcement of embodiment 1.
Fig. 8 is a schematic structural view of an end face of the center reinforcement of embodiment 1.
Fig. 9 is a schematic perspective view of a section of embodiment 2.
Fig. 10 is a schematic structural view of the end face of embodiment 2.
Fig. 11 is a schematic perspective view of a section of embodiment 3.
Fig. 12 is a schematic structural view of the end face of embodiment 3.
Fig. 13 is a schematic perspective view of the filling reinforcement of embodiment 3.
Fig. 14 is a schematic structural view of an end face of the filler reinforcement of embodiment 3.
In the figure: 1. outer jacket, 2 rat guard, 3 inner jacket, 4 transmission unit, 41, first nest, 411, first side wall, 412, first stop member, 413, first receiving slot, 414, first access opening, 42, optical fiber, 43, second nest, 431, second side wall, 432, second stop member, 433, second receiving slot, 434, second access opening, 435, bottom edge of stop slot, 436, stop slot, 437, outer side edge of stop slot, 44, first cavity, 45, second cavity, 47, optical fiber ribbon, 5, center strength member, 51, center strength member body, 52, fixture block, 6, filler strength member, 61, first filler, 611, third side edge, 612, fourth side edge, 62, second filler, 621, fifth side edge, 622, sixth side edge, 63.
Detailed Description
Example 1: as shown in fig. 1 to 8, a ratproof optical cable has a cable core, an inner sheath 3, a ratproof layer 2 and an outer sheath 1, wherein the inner sheath 3 is extruded outside the cable core, the ratproof layer 2 is located outside the inner sheath 3, and the outer sheath 1 is extruded outside the ratproof layer 2, and is characterized in that: the cable core is composed of four transmission units 4 and a central reinforcement 5, the transmission units 4 are composed of a first nesting layer 41 and two second nesting layers 43, in the same cross section, the first nesting layer 41 is composed of two first side walls 411 and two first limiting components 412, one ends of the two first side walls 411 are vertically connected, the two first side walls 411 and the two first limiting components 412 are located in the same square, the other ends of the two first side walls 411 are vertically connected with one ends of the corresponding first limiting components 412 respectively, a first inlet opening 414 is formed between the other ends of the two first limiting components 412, and a first accommodating groove 413 is formed between the two first side walls 411 and the two first limiting components 412;
in the same cross section, the second nesting layer 43 is formed by two second side walls 431, two second limiting members 432, two limiting groove bottom edges 435 and two limiting groove outer side edges 437, one ends of the two second side walls 431 are vertically connected, the other ends of the two second side walls 431 are respectively vertically connected with the corresponding second limiting members 432, a second inlet 434 is formed between the other ends of the two second limiting members 432, a second accommodating groove 433 is formed between the two second side walls 431 and the two second limiting members 432, the other ends of the two second limiting members 432 are respectively vertically connected with the corresponding limiting groove bottom edges 435, the other ends of the two limiting groove bottom edges 435 are vertically connected with one ends of the limiting groove outer side edges 437, a limiting groove 436 is formed between the second limiting members 432, the limiting groove bottom edges 435 and the limiting groove outer side edges 437 on the same side, and the limiting groove 436 is positioned outside the second accommodating groove 433;
The second nesting layer 43 is nested in the first nesting layer 41, the second side wall 431 and the second limiting part 432 of the second nesting layer 43 are positioned in the first accommodating groove 413 of the first nesting layer 41, the first limiting part 412 of the first nesting layer 41 is spliced with the corresponding limiting groove 436, the second limiting part 432 and the outer side edge 437 of the limiting groove are respectively attached to two side surfaces of the corresponding first limiting part 412, the bottom edge 435 of the limiting groove is attached to the other end of the corresponding first limiting part 412, a first accommodating cavity 44 is formed between the second side wall 431 of the second nesting layer 43 and the first side wall 411 of the first nesting layer 41, and at least one optical fiber 42 is arranged in the first accommodating cavity 44;
the other second nesting layer 43 is nested in one second nesting layer 43, the second side wall 431 and the second limiting part 432 of the other second nesting layer 43 are positioned in the second accommodating groove 433 of the one second nesting layer 43, the second limiting part 432, the limiting groove bottom edge 435 and the limiting groove outer side edge 437 of the one second nesting layer 43 are spliced with the corresponding limiting groove 436 of the other second nesting layer 43, the second limiting part 432 of the other second nesting layer 43 is jointed with the second limiting part 432 of the one second nesting layer 43, the limiting groove bottom edge 435 of the other second nesting layer 43 is jointed with the limiting groove bottom edge 435 of the one second nesting layer 43, the limiting groove outer side edge 437 of the other second nesting layer 43 is jointed with the limiting groove outer side edge 437 of the one second nesting layer 43, a first accommodating cavity 44 is formed between the second side walls 431 of the adjacent two second nesting layers 43, at least one optical fiber 42 is arranged in the first accommodating cavity 44, and the other end of the limiting groove outer side edge of all second nesting layers 43 is positioned in the same plane as the corresponding outer wall 411;
The central reinforcement 5 is composed of a square central reinforcement main body 51 and four clamping blocks 52, the four clamping blocks 52 are respectively located at four top corners of the central reinforcement main body 51 in the same cross section, the clamping blocks 52 are inserted into the second accommodating grooves 433 of the other second nesting layers 43, the side walls of the clamping blocks 52 are respectively attached to the second side walls 431 and the second limiting parts 432 of the corresponding second nesting layers 43, the outer side edges 437 of the limiting grooves of the other second nesting layers 43 of the two adjacent transmission units 4 are attached to each other, and the outer side walls of the first side walls 411 of all the transmission units 4 are located on the same square side.
Example 2: referring to fig. 9 and 10 and referring to fig. 3 to 8, a ratproof optical cable comprises a cable core, an inner sheath 3, a ratproof layer 2 and an outer sheath 1, wherein the inner sheath 3 is extruded outside the cable core, the ratproof layer 2 is located outside the inner sheath 3, and the outer sheath 1 is extruded outside the ratproof layer 2, and is characterized in that: the cable core is composed of four transmission units 4 and a central reinforcement 5, the transmission units 4 are composed of a first nesting layer 41 and two second nesting layers 43, in the same cross section, the first nesting layer 41 is composed of two first side walls 411 and two first limiting components 412, one ends of the two first side walls 411 are vertically connected, the other ends of the two first side walls 411 are respectively vertically connected with one ends of the corresponding first limiting components 412, the two first side walls 411 and the two first limiting components 412 are positioned in the same square, a first inlet opening 414 is formed between the other ends of the two first limiting components 412, and a first accommodating groove 413 is formed between the two first side walls 411 and the two first limiting components 412;
In the same cross section, the second nesting layer 43 is formed by two second side walls 431, two second limiting members 432, two limiting groove bottom edges 435 and two limiting groove outer side edges 437, one ends of the two second side walls 431 are vertically connected, the other ends of the two second side walls 431 are respectively vertically connected with the corresponding second limiting members 432, a second inlet 434 is formed between the other ends of the two second limiting members 432, a second accommodating groove 433 is formed between the two second side walls 431 and the two second limiting members 432, the other ends of the two second limiting members 432 are respectively vertically connected with the corresponding limiting groove bottom edges 435, the other ends of the two limiting groove bottom edges 435 are vertically connected with one ends of the limiting groove outer side edges 437, a limiting groove 436 is formed between the second limiting members 432, the limiting groove bottom edges 435 and the limiting groove outer side edges 437 on the same side, and the limiting groove 436 is positioned outside the second accommodating groove 433;
the second nesting layer 43 is nested in the first nesting layer 41, the second side wall 431 and the second limiting part 432 of the second nesting layer 43 are positioned in the first accommodating groove 413 of the first nesting layer 41, the first limiting part 412 of the first nesting layer 41 is spliced with the corresponding limiting groove 436, the second limiting part 432 and the outer side edge 437 of the limiting groove are respectively attached to two side surfaces of the corresponding first limiting part 412, the bottom edge 435 of the limiting groove is attached to the other end of the corresponding first limiting part 412, a first accommodating cavity 44 is formed between the second side wall 431 and the first side wall 411 of the first nesting layer 41 of the second nesting layer 43, at least one optical fiber ribbon 47 is arranged in the first accommodating cavity 44, and the optical fiber ribbon 47 is formed by combining at least two optical fibers 42;
The other second nesting layer 43 is nested in one second nesting layer 43, the second side wall 431 and the second limiting part 432 of the other second nesting layer 43 are positioned in the second accommodating groove 433 of the one second nesting layer 43, the second limiting part 432, the limiting groove bottom edge 435 and the limiting groove outer side 437 of the one second nesting layer 43 are spliced with the corresponding limiting groove 436 of the other second nesting layer 43, the second limiting part 432 of the other second nesting layer 43 is attached to the second limiting part 432 of the one second nesting layer 43, the limiting groove bottom edge 435 of the other second nesting layer 43 is attached to the limiting groove bottom edge 435 of the one second nesting layer 43, the limiting groove outer side 437 of the other second nesting layer 43 is attached to the limiting groove outer side edge 437 of the one second nesting layer 43, a first accommodating cavity 44 is formed between the second side walls 431 of the adjacent two second nesting layers 43, at least one optical fiber ribbon 47 is arranged in the first accommodating cavity 44, the ribbon 47 is formed by combining at least two optical fibers 42, and the limiting groove bottom edge 435 of the other end edge of all second nesting layers 43 is attached to the limiting groove outer side edge of the other second nesting layer 43;
the central reinforcement 5 is composed of a square central reinforcement main body 51 and four clamping blocks 52, the four clamping blocks 52 are respectively located at four top corners of the central reinforcement main body 51 in the same cross section, the clamping blocks 52 are inserted into the second accommodating grooves 433 of the other second nesting layers 43, the side walls of the clamping blocks 52 are respectively attached to the second side walls 431 and the second limiting parts 432 of the corresponding second nesting layers 43, the outer side edges 437 of the limiting grooves of the other second nesting layers 43 of the two adjacent transmission units 4 are attached to each other, and the outer side walls of the first side walls 411 of all the transmission units 4 are located on the same square side.
Example 3: referring to fig. 11 to 14 and fig. 3 to 6, a ratproof optical cable comprises a cable core, an inner sheath 3, a ratproof layer 2 and an outer sheath 1, wherein the inner sheath 3 is extruded outside the cable core, the ratproof layer 2 is located outside the inner sheath 3, and the outer sheath 1 is extruded outside the ratproof layer 2, and is characterized in that: the cable core is composed of four transmission units 4 and four filling stiffeners 6, the transmission units 4 are composed of a first nesting layer 41 and two second nesting layers 43, in the same cross section, the first nesting layer 41 is composed of two first side walls 411 and two first limiting components 412, one ends of the two first side walls 411 are vertically connected, the other ends of the two first side walls 411 are respectively vertically connected with one ends of the corresponding first limiting components 412, the two first side walls 411 and the two first limiting components 412 are positioned in the same square, a first inlet 414 is formed between the other ends 2 of the two first limiting components 41, and a first accommodating groove 413 is formed between the two first side walls 411 and the two first limiting components 412;
in the same cross section, the second nesting layer 43 is formed by two second side walls 431, two second limiting members 432, two limiting groove bottom edges 435 and two limiting groove outer side edges 437, one ends of the two second side walls 431 are vertically connected, the other ends of the two second side walls 431 are respectively vertically connected with the corresponding second limiting members 432, a second inlet 434 is formed between the other ends of the two second limiting members 432, a second accommodating groove 433 is formed between the two second side walls 431 and the two second limiting members 432, the other ends of the two second limiting members 432 are respectively vertically connected with the corresponding limiting groove bottom edges 435, the other ends of the two limiting groove bottom edges 435 are vertically connected with one ends of the limiting groove outer side edges 437, a limiting groove 436 is formed between the second limiting members 432, the limiting groove bottom edges 435 and the limiting groove outer side edges 437 on the same side, and the limiting groove 436 is positioned outside the second accommodating groove 433;
The second nesting layer 43 is nested in the first nesting layer 41, the second side wall 431 and the second limiting part 432 of the second nesting layer 43 are positioned in the first accommodating groove 413 of the first nesting layer 41, the first limiting part 412 of the first nesting layer 41 is spliced with the corresponding limiting groove 436, the second limiting part 432 and the outer side edge 437 of the limiting groove are respectively attached to two side surfaces of the corresponding first limiting part 412, the bottom edge 435 of the limiting groove is attached to the other end of the corresponding first limiting part 412, a first accommodating cavity 44 is formed between the second side wall 431 of the second nesting layer 43 and the first side wall 411 of the first nesting layer 41, and at least one optical fiber 42 is arranged in the first accommodating cavity 44;
the other second nesting layer 43 is nested in one second nesting layer 43, the second side wall 431 and the second limiting part 432 of the other second nesting layer 43 are positioned in the second accommodating groove 433 of the one second nesting layer 43, the second limiting part 432, the limiting groove bottom edge 435 and the limiting groove outer side 437 of the one second nesting layer 43 are spliced with the corresponding limiting groove 436 of the other second nesting layer 43, the second limiting part 432 of the other second nesting layer 43 is jointed with the second limiting part 432 of the one second nesting layer 43, the limiting groove bottom edge 435 of the other second nesting layer 43 is jointed with the limiting groove bottom edge 435 of the one second nesting layer 43, the limiting groove outer side 437 of the other second nesting layer 43 is jointed with the limiting groove outer side edge 437 of the one second nesting layer 43, a first accommodating cavity 44 is formed between the second side walls 431 of the two adjacent second nesting layers 43, at least one optical fiber 42 is arranged in the first accommodating cavity 44, the other end of the limiting groove outer side edge of all second nesting layers 43 is jointed with the corresponding first side wall 411 of the first two adjacent side walls of the two second units 41 in the same plane;
The filling reinforcement member 6 is formed by integrally forming the first filling body 61, the second filling body 62 and the first reinforcement member 63, where the first filling body 61 and the second filling body 62 are located in the second filling body 62, the first filling body 61 has a third side 611 and two fourth sides 612, the second filling body 62 has two fifth sides 621 and two sixth sides 622, two ends of the third side 611 are respectively connected to one end of the corresponding fourth side 612, the other end of the fourth side 612 is respectively connected to one end of the corresponding fifth side 621, the other end of the fifth side 621 is respectively connected to one end of the corresponding sixth side 622, the other ends of the two sixth sides 622 are connected, the filling reinforcement member 6 is inserted into the second receiving groove 433 of the corresponding second nesting layer 43, the two fourth sides 612 are respectively attached to the limit groove bottom edge 435 of the corresponding second nesting layer 43, the two fifth sides are respectively attached to the second limit member 432 of the corresponding second nesting layer 43, and the two sixth sides 621 are respectively attached to the second side wall 622 of the corresponding second nesting layer 43.
The first nesting layer 41 and the second nesting layer 43 can be assembled by directly inserting the second side wall 431 of the second nesting layer 43 from the first access opening 414 and inserting the first stop member 412 into the corresponding stop slot 436; the assembly of the two second nesting layers 43 may be performed by directly inserting the second side wall 431 of one second nesting layer 43 from the second access opening 434 of the other second nesting layer 43, and inserting the second stop member 432, the stop slot bottom edge 435, and the stop slot outer edge 437 of the other second nesting layer 43 into the corresponding stop slot 436 of the one second nesting layer 43.
The application relates to a ratproof optical cable, which is characterized in that: the outer protective layer 1 is made of polyethylene.
The application relates to a ratproof optical cable, which is characterized in that: the rat-proof layer 2 is made of stainless steel strips.
The application relates to a ratproof optical cable, which is characterized in that: the inner protective layer 3 is made of polyethylene.
The application relates to a ratproof optical cable, which is characterized in that: the first nesting layer 41 is made of nylon.
The application relates to a ratproof optical cable, which is characterized in that: the second nesting layer 43 is made of nylon.
The application relates to a ratproof optical cable, which is characterized in that: the optical fiber 42 is a multimode optical fiber or a single mode optical fiber.
The application relates to a ratproof optical cable, which is characterized in that: the material of the central reinforcement 5 is steel or glass fiber reinforced plastic.
The application has the following beneficial effects: 1. the transmission unit 4 is formed by nesting the first nesting layer 41 and the second nesting layer 43 and nesting the two second nesting layers 43, when the optical fiber 42 or the optical fiber ribbon 47 is required to be taken out, the nesting layers where the optical fiber 42 or the optical fiber ribbon 47 is positioned are separated, so that the transmission unit is very convenient, and the transmission unit can be taken out in a targeted manner without separating other nesting layers.
2. The first nesting layer 41 and the second nesting layer 43 are fixed in a plugging manner through the first limiting part 412 and the limiting groove 436, the distance between the other ends of the two second side walls 431 is smaller than the width of the first inlet opening 414, and the positions of the first nesting layer 41 and the second nesting layer 43 are further fixed; in the two second nesting layers 43, the second limiting part 432, the limiting groove bottom edge 435 and the limiting groove outer edge 437 of the other second nesting layer 43 are spliced with the limiting groove 436 corresponding to one second nesting layer 43, and the distance between the other end of the second limiting part 432 of the inner second nesting layer 43 is smaller than the width of the second inlet 434 of the outer second nesting layer 43, so that the positions of the two second nesting layers 43 are further fixed.
3. The width of the first accommodating cavity 44 and the second accommodating cavity 45 can be adjusted according to the depth of the limiting groove 436, and the limiting grooves 436 with different depths can be selected according to the requirements, so that different numbers of optical fibers 42 or optical fiber ribbons 47 can be placed in the first accommodating cavity 44 and the second accommodating cavity 45.
4. After the optical fiber 42 or the optical fiber ribbon 47 is taken out, the optical fiber ribbon can be reassembled, and the taking out of the loose tube is not required to be damaged like a common loose tube; and the first nesting layer 41 and the second nesting layer 43 can be recycled and reused for the transmission unit 4, so that the material is saved and the environment is protected.
5. The second nesting layer 43 can be nested layer by layer according to the requirement of the optical fiber layer number, so that the space utilization rate of the transmission unit 4 is increased, and the stock of the stock is reduced according to the requirement of an order.
6. The optical fibers 42 or the optical fiber ribbons 47 are separated by the second nesting layer 43, and different optical fibers 42 or optical fiber ribbons 47 can be placed in the first accommodating cavity 44 and the second accommodating cavity 45, so that different signals can be transmitted in the same transmission unit 4.
7. The transmission units 4 are clamped with the central reinforcing piece 5, two adjacent transmission units 4 are attached to each other, and a square cable core is formed, so that the inner structure of the optical cable is more stable, and the mechanical property of the optical cable is improved.
8. When four filling stiffeners 6 are arranged, the four filling stiffeners 6 are positioned around the cable core, so that the stress of the optical cable is more uniform and the mechanical property is better.
9. When four filling stiffeners 6 are provided, the optical fibers 42 or the optical fiber ribbons 47 are provided with not only the outer protective layer 1, the rat-proof layer 2 and the inner protective layer 3, but also the outer side 437 of the multi-layer limiting groove, so that the rat-proof effect of the optical cable is better.
The above-described embodiments are only preferred embodiments 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 the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this invention are also within the scope of the invention.
Claims (10)
1. The utility model provides a cable that can protect against rodents, has cable core, interior sheath (3), protection against rodents layer (2) and outer sheath (1), and interior sheath (3) extrusion molding is outside the cable core, and protection against rodents layer (2) are located outside interior sheath (3), and outer sheath (1) extrusion molding is outside protection against rodents layer (2), its characterized in that: the cable core is composed of four transmission units (4) and a central reinforcing piece (5), the transmission units (4) are composed of a first nesting layer (41) and at least one second nesting layer (43), in the same cross section, the first nesting layer (41) is composed of two first side walls (411), one ends of the two first side walls (411) are vertically connected, the second nesting layer (43) is composed of two second side walls (431), and one ends of the two second side walls (431) are vertically connected;
when the first nesting layer (41) is arranged, the first nesting layer (43) is nested in the first nesting layer (41), the other ends of the two second side walls (431) of the first nesting layer (41) are fixed with the other ends of the two first side walls (411) of the first nesting layer (41), a first accommodating cavity (44) is formed between the first nesting layer (41) and the second nesting layer (43), and at least one light transmission component is arranged in the first accommodating cavity (44);
when the first nesting layer (41) is provided with a plurality of second nesting layers (43), the second nesting layers (43) on the outermost layer are nested in the first nesting layer (41), all the second nesting layers (43) are nested layer by layer, the other ends of the two second side walls (431) of the second nesting layer (43) on the outermost layer are fixed with the other ends of the two first side walls (411) of the first nesting layer (41), a first accommodating cavity (44) is formed between the second side walls (431) of the second nesting layer (43) on the outermost layer and the first side walls (411) of the first nesting layer (41), and at least one light transmission part is arranged in the first accommodating cavity (44); the other ends of the two second side walls (431) of the two adjacent second nesting layers (43) are correspondingly connected respectively, a second accommodating cavity (45) is formed between the second side walls (431) of the two adjacent second nesting layers (43), and at least one light transmission component is arranged in the second accommodating cavity (45);
The central reinforcement (5) is composed of a square central reinforcement main body (51) and four clamping blocks (52), the four clamping blocks (52) are respectively positioned at four top angles of the central reinforcement main body (51) in the same cross section, and the clamping blocks (52) are inserted into the second accommodating grooves (433) of the second nested layers (43) of the corresponding innermost layers.
2. A ratproof optical cable according to claim 1, wherein: the first nesting layer (41) is further provided with two first limiting components (412), the other ends of the two first side walls (411) are respectively and vertically connected with one end of the corresponding first limiting component (412), the two first side walls (411) and the two first limiting components (412) are positioned in the same square, a first inlet (414) is formed between one ends of the two first limiting components (412), and a first accommodating groove (413) is formed between the two first side walls (411) and the two first limiting components (412);
the second nesting layer (43) is further provided with two second limiting components (432), two limiting groove bottom edges (435) and two limiting groove outer side edges (437), the other ends of the two second side walls (431) are respectively and vertically connected with the corresponding second limiting components (432), a second inlet (434) is formed between the other ends of the two second limiting components (432), a second accommodating groove (433) is formed between the two second side walls (431) and the two second limiting components (432), the other ends of the two second limiting components (432) are respectively and vertically connected with the corresponding limiting groove bottom edges (435), the other ends of the two limiting groove bottom edges (435) are vertically connected with one end of the limiting groove outer side edge (437), a limiting groove (436) is formed between the second limiting component (432), the limiting groove bottom edges (435) and the limiting groove outer side edge (437) on the same side, and the limiting groove (436) is positioned outside the second accommodating groove (433);
The second side wall (431) and the second limiting part (432) of the second nesting layer (43) of the outermost layer are positioned in the first accommodating groove (413) of the first nesting layer (41), the first limiting part (412) of the first nesting layer (41) is spliced with the corresponding limiting groove (436), the second limiting part (432) and the outer side edge (437) of the limiting groove are respectively attached to two side surfaces of the corresponding first limiting part (412), and the bottom edge (435) of the limiting groove is attached to the other end of the corresponding first limiting part (412);
among the two adjacent second nested layers (43), the second side wall (431) of the second nested layer (43) on the inner side and the second limiting part (432) are positioned in the second accommodating groove (433) of the second nested layer (43) on the outer side, the second limiting part (432), the limiting groove bottom edge (435) and the limiting groove outer side edge (437) of the second nested layer (43) on the outer side are spliced with the corresponding limiting groove (436) of the second nested layer (43) on the inner side, the second limiting part (432) of the second nested layer (43) on the inner side is attached to the second limiting part (432) of the second nested layer (43) on the outer side, the limiting groove bottom edge (435) of the second nested layer (43) on the inner side is attached to the limiting groove bottom edge (435) of the second nested layer (43) on the outer side, and the limiting groove outer side edge (437) of the second nested layer (43) on the outer side is attached to the limiting groove outer side (437) of the second nested layer (43) on the outer side.
3. A ratproof optical cable according to claim 2 wherein: the other ends of the outer side edges (437) of the limiting grooves of all the second nesting layers (43) are positioned in the same plane with the outer wall of the corresponding first side wall (411).
4. A rat-proof optical cable according to claim 3, wherein: the side walls of the clamping blocks (52) are respectively attached to the second side walls (431) and the second limiting parts (432) of the corresponding second nesting layers (43), the outer side edges (437) of the limiting grooves of the other second nesting layers (43) of the two adjacent transmission units (4) are attached to each other, and the outer side walls of the first side walls (411) of all the transmission units (4) are located on the same square side.
5. The utility model provides a cable that can protect against rodents, has cable core, interior sheath (3), protection against rodents layer (2) and outer sheath (1), and interior sheath (3) extrusion molding is outside the cable core, and protection against rodents layer (2) are located outside interior sheath (3), and outer sheath (1) extrusion molding is outside protection against rodents layer (2), its characterized in that: the cable core is composed of four transmission units (4) and four filling stiffeners (6), the transmission units (4) are composed of a first nesting layer (41) and at least one second nesting layer (43), in the same cross section, the first nesting layer (41) is composed of two first side walls (411), one ends of the two first side walls (411) are vertically connected, the second nesting layer (43) is composed of two second side walls (431), and one ends of the two second side walls (431) are vertically connected;
When the first nesting layer (41) is arranged, the first nesting layer (43) is nested in the first nesting layer (41), the other ends of the two second side walls (431) of the first nesting layer (41) are fixed with the other ends of the two first side walls (411) of the first nesting layer (41), a first accommodating cavity (44) is formed between the first nesting layer (41) and the second nesting layer (43), and at least one light transmission component is arranged in the first accommodating cavity (44);
when the first nesting layer (41) is provided with a plurality of second nesting layers (43), the second nesting layers (43) on the outermost layer are nested in the first nesting layer (41), all the second nesting layers (43) are nested layer by layer, the other ends of two second side walls (431) of the second nesting layer (43) on the outermost layer are fixed with the other ends of two first side walls (411) of the first nesting layer (41), a first accommodating cavity (44) is formed between the second side walls (431) of the second nesting layer (43) on the outermost layer and the first side walls (411) of the first nesting layer (41), and at least one light transmission part is arranged in the first accommodating cavity (44); the other ends of the two second side walls (431) of the two adjacent second nesting layers (43) are correspondingly connected respectively, a second containing cavity (45) is formed between the second side walls (431) of the two adjacent second nesting layers (43), at least one light transmission component is arranged in the second containing cavity (45), the first side walls (411) of the first nesting layers (41) of the four transmission units (4) are adhered to each other two by two, and the filling reinforcing piece (6) is inserted into the second containing groove (433) of the corresponding innermost second nesting layer (43).
6. A rat-proof optical cable according to claim 5, wherein: the first nesting layer (41) is also provided with two first limiting components (412), the other ends of the two first side walls (411) are respectively and vertically connected with one end of the corresponding first limiting component (412), the two first side walls (411) and the two first limiting components (412) are positioned in the same square, a first inlet (414) is formed between the other ends of the two first limiting components (412), and a first accommodating groove (413) is formed between the two first side walls (411) and the two first limiting components (412);
the second nesting layer (43) is further provided with two second limiting components (432), two limiting groove bottom edges (435) and two limiting groove outer side edges (437), the other ends of the two second side walls (431) are respectively and vertically connected with the corresponding second limiting components (432), a second inlet (434) is formed between the other ends of the two second limiting components (432), a second accommodating groove (433) is formed between the two second side walls (431) and the two second limiting components (432), the other ends of the two second limiting components (432) are respectively and vertically connected with the corresponding limiting groove bottom edges (435), the other ends of the two limiting groove bottom edges (435) are vertically connected with one end of the limiting groove outer side edge (437), a limiting groove (436) is formed between the second limiting component (432), the limiting groove bottom edges (435) and the limiting groove outer side edge (437) on the same side, and the limiting groove (436) is positioned outside the second accommodating groove (433);
The second side wall (431) and the second limiting part (432) of the second nesting layer (43) of the outermost layer are positioned in the first accommodating groove (413) of the first nesting layer (41), the first limiting part (412) of the first nesting layer (41) is spliced with the corresponding limiting groove (436), the second limiting part (432) and the outer side edge (437) of the limiting groove are respectively attached to two side surfaces of the corresponding first limiting part (412), and the bottom edge (435) of the limiting groove is attached to the other end of the corresponding first limiting part (412);
among the two adjacent second nested layers (43), the second side wall (431) of the second nested layer (43) on the inner side and the second limiting part (432) are positioned in the second accommodating groove (433) of the second nested layer (43) on the outer side, the second limiting part (432), the limiting groove bottom edge (435) and the limiting groove outer side edge (437) of the second nested layer (43) on the outer side are spliced with the corresponding limiting groove (436) of the second nested layer (43) on the inner side, the second limiting part (432) of the second nested layer (43) on the inner side is attached to the second limiting part (432) of the second nested layer (43) on the outer side, the limiting groove bottom edge (435) of the second nested layer (43) on the inner side is attached to the limiting groove bottom edge (435) of the second nested layer (43) on the outer side, and the limiting groove outer side edge (437) of the second nested layer (43) on the outer side is attached to the limiting groove outer side (437) of the second nested layer (43) on the outer side.
7. A ratproof optical cable according to claim 6 wherein: the filling reinforcement (6) is formed by integrating a first filling body (61), a second filling body (62) and a first reinforcement (63), the first filling body (61) and the second filling body (62) are integrally formed, the first reinforcement (63) is positioned in the second filling body (62), the first filling body (61) is provided with a third side edge (611) and two fourth side edges (612), the second filling body (62) is provided with two fifth side edges (621) and two sixth side edges (622), two ends of the third side edge (611) are respectively connected with one end of a corresponding fourth side edge (612), the other end of the fourth side edge (612) is respectively connected with one end of a corresponding fifth side edge (621), the other end of the fifth side edge (612) is respectively connected with one end of a corresponding sixth side edge (622), the other ends of the two sixth side edges (622) are connected, the filling reinforcement (6) is inserted into a second containing groove (433) of a corresponding innermost second nesting layer (43), two fourth side edges (433) are respectively connected with two nesting limit parts (43) of the second nesting layer (43) corresponding to the second nesting layer (43) which are respectively located at two ends of the fifth side edges (621), the two sixth side edges (622) are respectively attached to the second side walls (431) of the corresponding innermost second nesting layer (43).
8. A rat-proof optical cable according to claim 7, wherein: the material of the first nesting layer (41) is nylon.
9. A rat-proof optical cable according to claim 8, wherein: the material of the second nesting layer (43) is nylon.
10. A rat-proof optical cable according to claim 9, wherein: the optical transmission component is an optical fiber (42) or an optical fiber ribbon (47), and the optical fiber ribbon (47) is formed by combining at least two optical fibers (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311440013.6A CN117148530B (en) | 2023-11-01 | 2023-11-01 | Optical cable capable of preventing mice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311440013.6A CN117148530B (en) | 2023-11-01 | 2023-11-01 | Optical cable capable of preventing mice |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117148530A true CN117148530A (en) | 2023-12-01 |
| CN117148530B CN117148530B (en) | 2023-12-29 |
Family
ID=88903255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311440013.6A Active CN117148530B (en) | 2023-11-01 | 2023-11-01 | Optical cable capable of preventing mice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117148530B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117784340A (en) * | 2024-02-24 | 2024-03-29 | 常熟迅联光电科技有限公司 | Rectangular optical fiber ribbon cable and rectangular butterfly-shaped lead-in cable |
| CN117826350A (en) * | 2024-03-05 | 2024-04-05 | 苏州知遇光电科技有限公司 | Plug-in butterfly-shaped optical cable and optical cable |
| CN117826352A (en) * | 2024-03-06 | 2024-04-05 | 常熟白莲光电科技有限公司 | Expandable optical fiber ribbon cable |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10282375A (en) * | 1997-04-09 | 1998-10-23 | Hitachi Cable Ltd | Sz-stranded spacer type optical fiber cable and its manufacture |
| CN110286455A (en) * | 2019-07-26 | 2019-09-27 | 常熟市邦知光电科技有限公司 | A kind of optical cable with special-shaped Loose tube |
| US20200150367A1 (en) * | 2018-11-13 | 2020-05-14 | Ofs Fitel, Llc | Optical Fiber Backbone Cable Having Fire Retardant Separator |
| CN111399146A (en) * | 2020-04-29 | 2020-07-10 | 国网湖北省电力有限公司随州供电公司 | Butterfly-shaped leading-in optical cable for power communication |
| CN111830653A (en) * | 2020-08-31 | 2020-10-27 | 常熟高通智能装备有限公司 | Optical cable of special-shaped filling rope |
| CN113296208A (en) * | 2021-06-02 | 2021-08-24 | 江苏华脉光电科技有限公司 | Rat-proof branching photoelectric hybrid leading-in optical cable with flexibility and preparation method thereof |
| CN216248472U (en) * | 2021-12-03 | 2022-04-08 | 长飞光电线缆(苏州)有限公司 | Rat-proof optical cable easy to peel |
| CN116577892A (en) * | 2023-07-14 | 2023-08-11 | 江苏永鼎股份有限公司 | Butterfly-shaped lead-in optical cable with embedded structure |
-
2023
- 2023-11-01 CN CN202311440013.6A patent/CN117148530B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10282375A (en) * | 1997-04-09 | 1998-10-23 | Hitachi Cable Ltd | Sz-stranded spacer type optical fiber cable and its manufacture |
| US20200150367A1 (en) * | 2018-11-13 | 2020-05-14 | Ofs Fitel, Llc | Optical Fiber Backbone Cable Having Fire Retardant Separator |
| CN110286455A (en) * | 2019-07-26 | 2019-09-27 | 常熟市邦知光电科技有限公司 | A kind of optical cable with special-shaped Loose tube |
| CN111399146A (en) * | 2020-04-29 | 2020-07-10 | 国网湖北省电力有限公司随州供电公司 | Butterfly-shaped leading-in optical cable for power communication |
| CN111830653A (en) * | 2020-08-31 | 2020-10-27 | 常熟高通智能装备有限公司 | Optical cable of special-shaped filling rope |
| CN113296208A (en) * | 2021-06-02 | 2021-08-24 | 江苏华脉光电科技有限公司 | Rat-proof branching photoelectric hybrid leading-in optical cable with flexibility and preparation method thereof |
| CN216248472U (en) * | 2021-12-03 | 2022-04-08 | 长飞光电线缆(苏州)有限公司 | Rat-proof optical cable easy to peel |
| CN116577892A (en) * | 2023-07-14 | 2023-08-11 | 江苏永鼎股份有限公司 | Butterfly-shaped lead-in optical cable with embedded structure |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117784340A (en) * | 2024-02-24 | 2024-03-29 | 常熟迅联光电科技有限公司 | Rectangular optical fiber ribbon cable and rectangular butterfly-shaped lead-in cable |
| CN117784340B (en) * | 2024-02-24 | 2024-04-30 | 常熟迅联光电科技有限公司 | Rectangular optical fiber ribbon cable and rectangular butterfly-shaped lead-in cable |
| CN117826350A (en) * | 2024-03-05 | 2024-04-05 | 苏州知遇光电科技有限公司 | Plug-in butterfly-shaped optical cable and optical cable |
| CN117826350B (en) * | 2024-03-05 | 2024-05-03 | 苏州知遇光电科技有限公司 | Plug-in butterfly-shaped optical cable and optical cable |
| CN117826352A (en) * | 2024-03-06 | 2024-04-05 | 常熟白莲光电科技有限公司 | Expandable optical fiber ribbon cable |
| CN117826352B (en) * | 2024-03-06 | 2024-04-30 | 常熟白莲光电科技有限公司 | Expandable optical fiber ribbon cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117148530B (en) | 2023-12-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117148530B (en) | Optical cable capable of preventing mice | |
| US9341805B2 (en) | Fiber optic distribution cables and structures therefor | |
| EP1887396B1 (en) | Optical fibre telecommunication cable | |
| US11042000B2 (en) | Optical cable for terrestrial networks | |
| US6421487B1 (en) | Reinforced buffered fiber optic ribbon cable | |
| CN117148528B (en) | Self-supporting optical cable | |
| CN113985548B (en) | Optical fiber ribbon cable | |
| EP1359448B1 (en) | Loose tube optical ribbon cable | |
| CN116413875A (en) | Layer stranded type ribbon optical cable with hexagonal prism component | |
| EP1288690B1 (en) | Loose tube ribbon optical cable | |
| CN117038192B (en) | Extensible photoelectric composite cable | |
| US20130051742A1 (en) | Drop cable assembly | |
| CN116609902B (en) | Optical fiber ribbon cable and assembly method thereof | |
| CN211263904U (en) | Optical cable convenient to equipment | |
| CN211265108U (en) | 5G communication base station is with amalgamation structure optical cable and cable | |
| CN210626742U (en) | Lightning-proof layer stranded ribbon optical cable | |
| CN112731609A (en) | Outdoor large-span optical cable | |
| CN117849973B (en) | Optical fiber ribbon cable and photoelectric composite optical fiber ribbon cable | |
| CN111208613A (en) | Optical fiber ribbon optical cable and optical fiber ribbon composite cable | |
| CN211293402U (en) | Communication optical cable and power cable | |
| KR102676816B1 (en) | Optical Fiber Ribbon | |
| KR20060124506A (en) | Optical cable having water swellable steel tape | |
| CN211603645U (en) | High-density optical cable and cable easy to form | |
| CN117908206B (en) | Butterfly-shaped optical cable and prefabricated end-forming optical cable adopting same | |
| CN211265051U (en) | Skeleton type cable or skeleton type optical cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |