CN114384656A - Optical fiber ribbon optical cable with elastic wrapping outer protective layer - Google Patents
Optical fiber ribbon optical cable with elastic wrapping outer protective layer Download PDFInfo
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- CN114384656A CN114384656A CN202210192221.8A CN202210192221A CN114384656A CN 114384656 A CN114384656 A CN 114384656A CN 202210192221 A CN202210192221 A CN 202210192221A CN 114384656 A CN114384656 A CN 114384656A
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- optical fiber
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
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- 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
- G02B6/4434—Central member to take up tensile loads
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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
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/56—Processes for repairing optical cables
- G02B6/566—Devices for opening or removing the mantle
- G02B6/567—Devices for opening or removing the mantle for ribbon cables
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- 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
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- Optics & Photonics (AREA)
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- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention belongs to the field of cables, and particularly relates to an optical fiber ribbon cable with an elastic wrapping outer protective layer, which is provided with an outer protective layer, a cable core and an optical fiber ribbon body, and is characterized in that the cable core is composed of a cable core main body, a plurality of open fiber containing grooves are formed around the outer edge of the cable core main body, the optical fiber ribbon body is arranged in each fiber containing groove, a clamping groove is formed between every two adjacent fiber containing grooves, an outer protective layer containing cavity is formed in the cable core main body, and a cloth outlet channel is outwards arranged in each outer protective layer containing cavity; the outer protection layer is composed of an outer protection layer main body, a limiting rod and a cloth shaft, the outer protection layer main body is wound on the cloth shaft, two ends of the outer protection layer main body are respectively connected with the cloth shaft and the side wall of the limiting rod, the outer protection layer main body penetrates through a cloth channel, the outer diameter of the limiting rod is smaller than that of a clamping groove, the outer diameters of the cloth shaft and the limiting rod are larger than the width of the cloth channel, and the outer protection layer main body has elasticity.
Description
Technical Field
The invention belongs to the field of cables, and particularly relates to an optical fiber ribbon cable with an elastic wrapping outer protective layer.
Background
The optical fiber ribbon cable is generally an optical fiber cable with a large number of cores, the application amount in a trunk network and an inter-city network is large, and operators purchase optical fiber ribbon cables with tens of millions of cores and kilometers every year.
For example, CN213876121U discloses a skeleton core structure and a skeleton optical cable. The skeleton core structure comprises a skeleton, wherein a plurality of first skeleton grooves and a plurality of second skeleton grooves are formed in the skeleton in the radial direction extending from the edge to the center of the skeleton, each first skeleton groove and each second skeleton groove are arranged at intervals, the width of each first skeleton groove is the same as that of each second skeleton groove, and the depths of the first skeleton grooves are different.
The above prior art has the following disadvantages: when the optical fiber ribbon is taken out, the outer protective layer and the inner protective layer need to be damaged; after the optical fiber in the optical cable is welded, a special junction box is needed for fixing, so that the cost is high and the convenience is high; the optical cable protective layer is required to be extruded during production and cannot be increased in the later period; the optical fiber ribbon can not be replaced in the later maintenance.
Disclosure of Invention
In order to solve the above problems, the present invention discloses an optical fiber ribbon cable with an elastic coated outer sheath, which is implemented by the following technical solution.
An optical fiber ribbon cable with an elastic wrapping outer protection layer is provided with the outer protection layer, a cable core and an optical fiber ribbon body, and is characterized in that the cable core is composed of a cable core main body, a plurality of open fiber containing grooves are formed around the outer edge of the cable core main body, the optical fiber ribbon body is arranged in the fiber containing grooves, a clamping groove is formed between every two adjacent fiber containing grooves, an embedded groove is formed towards the outer side of the cable core by each clamping groove, an open containing groove is also formed between one fiber containing groove and the clamping groove on the left side, an outer protection layer containing cavity is formed in the cable core main body, and the outer protection layer containing cavity is communicated with the containing grooves through a cloth outlet channel; the cloth shaft is positioned in the outer protection layer containing cavity, the outer protection layer main body penetrates through the cloth outlet channel, the outer diameter of the limiting rod is smaller than the outer diameter of the clamping groove and larger than the width of the embedded groove, and the outer diameters of the cloth shaft and the limiting rod are larger than the width of the cloth outlet channel; the outer jacket main part has elasticity, and the gag lever post card is gone into in the draw-in groove adjacent on the left side with the holding tank, and the jacket main part is in tensile state this moment.
The optical fiber ribbon cable with the elastic wrapping outer protection layer is characterized in that the outer wall of the cable core main body is provided with the second burr layer, and the inner wall of the outer protection layer main body is a burr surface and can be adhered to the second burr layer.
Above-mentioned an optical fiber ribbon optical cable with elasticity infantees outer sheath, its characterized in that hold fine groove opening part both ends and be equipped with a third stopper, the distance between the third stopper extreme point is less than the width of the optical fiber area body.
The optical fiber ribbon cable with the elastic wrapping outer protective layer is characterized in that at least one electric unit is arranged in the other clamping grooves except the clamping into the limiting rod.
An optical fiber ribbon cable with an elastic wrapping outer protection layer is provided with the outer protection layer, a cable core and an optical fiber ribbon body, and is characterized in that the cable core is composed of a cable core main body, a plurality of open fiber containing grooves are formed around the outer edge of the cable core main body, the optical fiber ribbon body is arranged in the fiber containing grooves, a clamping groove is formed between every two adjacent fiber containing grooves, an embedded groove is formed towards the outer side of the cable core by each clamping groove, an open containing groove is also formed between one fiber containing groove and the clamping groove on the left side, an outer protection layer containing cavity is formed in the cable core main body, the outer protection layer containing cavity is communicated with the containing grooves through a cloth outlet channel, and at least a plurality of second limiting grooves are formed in the side wall of the outer protection layer containing cavity;
the outer protective layer is composed of an outer protective layer main body, a limiting rod and a cloth shaft, the outer wall of the outer protective layer main body is a rough surface, one end of the outer protective layer main body is connected with the side wall of the cloth shaft, the outer protective layer main body is wound on the cloth shaft, the other end of the outer protective layer main body is connected with the side wall of the limiting rod, a first burr layer is further arranged on the inner wall of the outer protective layer main body on one side of the limiting rod and can be adhered to the outer wall of the outer protective layer main body, the cloth shaft is positioned in an outer protective layer accommodating cavity, the outer protective layer main body penetrates through a cloth channel, a plurality of first limiting grooves are respectively formed at the two ends of the cloth shaft, threads are further formed at the two ends of the cloth shaft, blocking pieces are sleeved at the two ends of the cloth shaft, each blocking piece is composed of a blocking piece main body and a first limiting block positioned at the periphery of the blocking piece main body, the number of the first limiting grooves is the same as that of the second limiting grooves, the positions of the first limiting piece are corresponding to each other, a middle hole is formed at the center of the blocking piece main body, and a second limiting block piece is provided with a second limiting block piece, the second limiting blocks are the same in number with the first limiting grooves and correspond in position, and nuts are meshed on the threads at the two ends of the cloth shaft; the sheath main part is greater than the round around the cable core winding number of turns to and first burr layer adhesion outer jacket main part, second stopper card this moment go into corresponding first spacing groove, and first stopper card goes into corresponding second spacing inslot, and fastens with the nut, prevents that the cloth axle from rotating.
The optical fiber ribbon cable with the elastic wrapping outer protection layer is characterized in that the outer wall of the cable core main body is provided with the second burr layer, and the inner wall of the outer protection layer main body is a burr surface and can be adhered to the second burr layer.
Above-mentioned an optical fiber ribbon optical cable with elasticity infantees outer sheath, its characterized in that hold fine groove opening part both ends and be equipped with a third stopper, the distance between the third stopper extreme point is less than the width of the optical fiber area body.
The optical fiber ribbon cable with the elastic wrapping outer protective layer is characterized in that at least one electric unit is arranged in the clamping groove.
The optical fiber ribbon cable with the elastic wrapping outer protection layer is characterized in that the optical fiber ribbon body is formed by stacking at least two optical fiber ribbons, and each optical fiber ribbon is formed by combining at least two optical fibers.
The optical fiber ribbon cable with the elastic wrapping outer protection layer is characterized in that the cable core is made of high-density polyethylene.
The optical fiber ribbon cable with the elastic wrapping outer protection layer is characterized in that the material of the cloth shaft is steel.
The invention has the following beneficial effects:
1. when the internal optical fiber ribbon is used in construction, only the outer protective layer needs to be loosened without damaging the outer protective layer, and after the optical fiber ribbon is taken out, only the limiting rod needs to be embedded into the clamping groove or the first burr layer or the second burr layer needs to be adhered to the outer protective layer again.
2. The two sides of each fiber containing groove are provided with the second burr layers, when the optical fiber ribbon is taken out, the second burr layers are opened in sequence, the optical fiber ribbon in the rear fiber containing groove is not affected, and even if the outer protective layer main body loses elasticity, the optical fiber ribbon can still be attached to the cable core, so that the optical fiber ribbon in the cable core is prevented from being separated from the fiber containing grooves.
3. But the optical fiber ribbon later stage is put into, need not additionally use extrusion molding equipment, and is convenient energy-conserving.
4. The outer sheath can be customized according to the total length of the optical cable after connection in the later period, the outer sheath tightly wraps the two sections of optical cables after connection to play a role in fixing the optical cables, auxiliary equipment such as a junction box is not needed in connection of the optical cables, the cost is saved, and the construction efficiency is improved.
5. The outer jacket with different turns can be wound as required to adjust the protection degree of the outer jacket on the optical cable, the tightness degree in the outer jacket can be adjusted as required, the thickness of the outer jacket can be adjusted, and the outer diameter of the optical cable can be indirectly adjusted.
6. The outer jacket has elasticity, and the compression resistance and the shock resistance of the optical cable are improved.
7. The cloth shaft is coherent, so that the tensile property of the optical cable can be enhanced, and meanwhile, the tensile property of the joint of two sections of laid optical cables is enhanced, and the joint of the optical cables is prevented from being broken.
8. The cloth shaft can be recycled and reused, and is environment-friendly.
Drawings
Fig. 1 is a schematic structural view after cabling in embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of a cable core in embodiment 1 of the present invention.
Fig. 3 is a schematic structural diagram after cabling in embodiment 2 of the present invention.
Fig. 4 is a schematic perspective view of embodiment 2 of the present invention without cabling.
Fig. 5 is a schematic structural diagram of a cable core according to embodiment 2 or embodiment 3 of the present invention.
Fig. 6 is a schematic structural view after cabling in embodiment 3 of the present invention.
Fig. 7 is a schematic perspective view of an outer sheath according to embodiment 1, embodiment 2, or embodiment 3 of the present invention.
Figure 8 is a cable core structure schematic diagram in embodiment 4 of the invention.
Fig. 9 is a schematic perspective view of an outer sheath according to embodiment 4 of the present invention.
Fig. 10 is a perspective view of a baffle plate in embodiment 4 of the invention.
In the figure: 1. the cable comprises an outer protective layer, 11, an outer protective layer main body, 12, a limiting rod, 13, a baffle, 131, a baffle main body, 132, a first limiting block, 133, a middle hole, 134, a second limiting block, 14, a nut, 15, a cloth shaft, 16, a first limiting groove, 17, a first burr layer, 2, an optical fiber belt body, 3, a cable core, 31, a cable core main body, 32, a fiber accommodating groove, 33, a clamping groove, 34, an embedded groove, 35, a third limiting block, 36, an accommodating groove, 37, a cloth outlet channel, 38, an outer protective layer accommodating cavity, 39, a second burr layer, 310, a second limiting groove and 4 an electric unit.
Detailed Description
Example 1
Referring to fig. 1, 2 and 7, an optical fiber ribbon cable with an elastic wrapping outer sheath is provided with an outer sheath 1, a cable core 3 and an optical fiber ribbon body 2, and is characterized in that the cable core 3 is composed of a cable core main body 31, a plurality of open fiber accommodating grooves 32 are formed around the outer edge of the cable core main body 31, the optical fiber ribbon body 2 is arranged in the fiber accommodating grooves 32, a clamping groove 33 is formed between two adjacent fiber accommodating grooves 32, each clamping groove 33 forms an embedded groove 34 towards the outer side of the cable core, a third limiting block 35 is arranged at two ends of an opening of each fiber accommodating groove 32, the distance between end points of each third limiting block 35 is smaller than the width of the optical fiber ribbon body 2, an open accommodating groove 36 is further formed between one fiber accommodating groove 32 and the left clamping groove 33, an outer sheath accommodating cavity 38 is formed in the cable core main body 31, and the outer sheath accommodating cavities 38 and the accommodating grooves 36 are communicated through a cloth outlet 37;
the outer protection layer 1 is composed of an outer protection layer main body 11, a limiting rod 12 and a cloth shaft 15, one end of the outer protection layer main body 11 is connected with the side wall of the cloth shaft 15, the outer protection layer main body 11 is wound on the cloth shaft 15, the other end of the outer protection layer main body 11 is connected with the side wall of the limiting rod 12, the cloth shaft 15 is located in an outer protection layer containing cavity 38, the outer protection layer main body 11 penetrates through a cloth channel 37, the outer diameter of the limiting rod 12 is smaller than the outer diameter of a clamping groove 33 and larger than the width of an embedded groove 34, and the outer diameters of the cloth shaft 15 and the limiting rod 12 are larger than the width of the cloth channel 37;
the outer sheath main body 11 has elasticity, and the limiting rod 12 is clamped into the clamping groove 33 adjacent to the left side of the accommodating groove 36, and at the moment, the outer sheath main body 11 is in a stretching state.
Example 2
Referring to fig. 3, 4, 5 and 7, a fiber ribbon cable having an outer sheath with elastic coating has an outer sheath 1, a cable core 3 and a fiber ribbon body 2, it is characterized in that the cable core 3 is composed of a cable core main body 31, a plurality of open fiber containing grooves 32 are formed around the outer edge of the cable core main body 31, the fiber containing grooves 32 are internally provided with the optical fiber belt body 2, a clamping groove 33 is formed between two adjacent fiber containing grooves 32, each clamping groove 33 forms an embedded groove 34 towards the outer side of the cable core, a third limiting block 35 is arranged at two ends of the opening of the fiber containing groove 32, the distance between the end points of the third limiting block 35 is smaller than the width of the optical fiber tape body 2, an open accommodating groove 36 is further formed between one of the fiber accommodating grooves 32 and the clamping groove 33 on the left side, an outer protection layer accommodating cavity 38 is formed in the cable core main body 31, the outer protection layer accommodating cavity 38 is communicated with the accommodating groove 36 through a cloth outlet channel 37, and a second burr layer 39 is arranged on the outer wall of the cable core main body 31;
the outer protection layer 1 is composed of an outer protection layer main body 11, a limiting rod 12 and a cloth shaft 15, the inner wall of the outer protection layer main body 11 is a rough surface and can be adhered to a second burr layer 39, one end of the outer protection layer main body 11 is connected with the side wall of the cloth shaft 15, the outer protection layer main body 11 is wound on the cloth shaft 15, the other end of the outer protection layer main body 11 is connected with the side wall of the limiting rod 12, the cloth shaft 15 is located in an outer protection layer containing cavity 38, the outer protection layer main body 11 penetrates through a cloth channel 37, the outer diameter of the limiting rod 12 is smaller than the outer diameter of a clamping groove 33 and larger than the width of an embedded groove 34, and the outer diameters of the cloth shaft 15 and the limiting rod 12 are larger than the width of the cloth channel 37;
the outer sheath main body 11 has elasticity, and the limiting rod 12 is clamped into the clamping groove 33 adjacent to the left side of the accommodating groove 36, and at the moment, the outer sheath main body 11 is in a stretching state.
This embodiment makes cable core 3 be laminated better to outer jacket 1 through the adhesion of second burr layer 39 and outer jacket main part 11, even under outer jacket main part 11 lost the elastic condition, still can laminate cable core 3, prevents that inside fiber band body 2 from breaking away from and holding fine groove 32.
Example 3
Referring to fig. 5, 6 and 7, and fig. 3 and 4, an optical fiber ribbon cable with an elastic coated outer sheath includes an outer sheath 1, a cable core 3 and an optical fiber ribbon body 2, wherein the cable core 3 is composed of a cable core main body 31, a plurality of open fiber accommodating grooves 32 are formed around the outer edge of the cable core main body 31, the optical fiber ribbon body 2 is disposed in the fiber accommodating grooves 32, a clamping groove 33 is formed between two adjacent fiber accommodating grooves 32, each clamping groove 33 forms an embedded groove 34 towards the outer side of the cable core, a third stopper 35 is disposed at two ends of an opening of the fiber accommodating groove 32, a distance between end points of the third stopper 35 is smaller than the width of the optical fiber ribbon body 2, an open accommodating groove 36 is further formed between one of the fiber accommodating grooves 32 and the clamping groove 33 on the left side, an outer sheath accommodating cavity 38 is formed in the cable core main body 31, and the outer sheath 38 is communicated with the accommodating groove 36 through a fabric outlet channel 37, the outer wall of the cable core main body 31 is provided with a second burr layer 39;
the outer protection layer 1 is composed of an outer protection layer main body 11, a limiting rod 12 and a cloth shaft 15, the inner wall of the outer protection layer main body 11 is a rough surface and can be adhered to a second burr layer 39, one end of the outer protection layer main body 11 is connected with the side wall of the cloth shaft 15, the outer protection layer main body 11 is wound on the cloth shaft 15, the other end of the outer protection layer main body 11 is connected with the side wall of the limiting rod 12, the cloth shaft 15 is located in an outer protection layer containing cavity 38, the outer protection layer main body 11 penetrates through a cloth channel 37, the outer diameter of the limiting rod 12 is smaller than the outer diameter of a clamping groove 33 and larger than the width of an embedded groove 34, and the outer diameters of the cloth shaft 15 and the limiting rod 12 are larger than the width of the cloth channel 37;
the outer protective layer main body 11 has elasticity, and the limiting rod 12 is clamped into the clamping groove 33 adjacent to the left side of the accommodating groove 36, at the moment, the outer protective layer main body 11 is in a stretching state, and the electric units 4 are arranged in the rest clamping grooves 33.
This embodiment makes the optical cable can transmit the electric energy, has realized the effect that photoelectricity is passed with, and electric unit 4 can add in the later stage, the construction of being convenient for, also be convenient for electric unit 4 the earlier stage need not and indirectly reduce electric unit 4's life etc..
Example 4
Referring to fig. 8, 9 and 10 and fig. 3, an optical fiber ribbon cable with an elastic coated outer sheath comprises an outer sheath 1, a cable core 3 and an optical fiber ribbon body 2, wherein the cable core 3 is composed of a cable core main body 31, a plurality of open fiber accommodating grooves 32 are formed around the outer edge of the cable core main body 31, the optical fiber ribbon body 2 is arranged in the fiber accommodating grooves 32, a clamping groove 33 is formed between two adjacent fiber accommodating grooves 32, each clamping groove 33 forms an embedded groove 34 towards the outer side of the cable core, a third limiting block 35 is arranged at two ends of the opening of the fiber accommodating groove 32, the distance between the end points of the third limiting block 35 is smaller than the width of the optical fiber ribbon body 2, an open accommodating groove 36 is further formed between one of the fiber accommodating grooves 32 and the left clamping groove 33, an outer sheath accommodating cavity 38 is formed in the cable core main body 31, and the outer sheath accommodating cavity 38 is communicated with the accommodating groove 36 through a cloth outlet 37, a second burr layer 39 is arranged on the outer wall of the cable core main body 31, and at least a plurality of second limiting grooves 310 are formed in the side wall of the outer protection layer accommodating cavity 38;
the outer protection layer 1 is composed of an outer protection layer main body 11, a limiting rod 12 and a cloth shaft 15, the inner wall and the outer wall of the outer protection layer main body 11 are rough surfaces and can be adhered to a second burr layer 39, one end of the outer protection layer main body 11 is connected with the side wall of the cloth shaft 15, the outer protection layer main body 11 is wound on the cloth shaft 15, the other end of the outer protection layer main body 11 is connected with the side wall of the limiting rod 12, a first burr layer 17 is further arranged on the inner wall of the outer protection layer main body 11 on one side of the limiting rod 12, the first burr layer 17 can be adhered to the outer wall of the outer protection layer main body 11, the cloth shaft 15 is positioned in an outer protection layer containing cavity 38, the outer protection layer main body 11 penetrates through a cloth channel 37, the outer diameters of the cloth shaft 15 and the limiting rod 12 are larger than the width of the cloth channel 37, a plurality of first limiting grooves 16 are respectively formed at two ends of the cloth shaft 15, threads are further formed at two ends of the cloth shaft 15, blocking pieces 13 are sleeved at two ends of the cloth shaft 15, the blocking pieces 13 are composed of a blocking piece main body 131 and a first limiting piece 132 positioned around the blocking piece main body 131, the number and the position of the first limiting block 132 are the same as those of the second limiting groove 310, the position corresponds to that of the second limiting groove, a middle hole 133 is formed in the center of the baffle main body 131, a second limiting block 134 is arranged on the baffle main body 131 in the middle hole 133, the number and the position of the second limiting block 134 are the same as those of the first limiting groove 16, and the nuts 14 are meshed on the threads at the two ends of the cloth shaft 15;
outer jacket main part 11 has elasticity, and jacket main part 11 is in tensile state, and jacket main part 11 is greater than 1 circle around the 3 winding turns of cable core to with first burr layer 17 adhesion outer jacket main part 11, second stopper 134 card income corresponding first spacing groove 16 this moment, first stopper 132 card income corresponding second spacing groove 310 in, and fasten with nut 14, prevent that cloth axle 15 from rotating.
This embodiment can be as required convolute the different number of turns of outer jacket 1, adjusts the degree of protection of outer jacket to the optical cable, and the elasticity degree in the outer jacket 1 also can be adjusted as required, still can adjust the thickness of outer jacket 1, the external diameter of indirect regulation optical cable.
The optical fiber ribbon cable with the elastic coated outer sheath in any embodiment is characterized in that the optical fiber ribbon body is formed by stacking at least two optical fiber ribbons, and each optical fiber ribbon is formed by combining at least two optical fibers.
The optical fiber ribbon cable with the elastic coated outer sheath according to any embodiment is characterized in that the cable core 3 is made of high-density polyethylene.
The optical fiber ribbon cable with the elastic coated outer sheath according to any embodiment of the above embodiments is characterized in that the material of the cloth shaft 15 is steel.
The invention solves the problems in the prior art that: 1. when the optical fiber ribbon is taken out, the outer protective layer and the inner protective layer need to be damaged; 2. after the optical fiber in the optical cable is welded, a special junction box is needed for fixing, so that the cost is high and the convenience is high; 3. the optical cable protective layer is required to be extruded during production and cannot be increased in the later period; 4. the problem of replacement when the optical fiber ribbon can not be maintained later.
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. An optical fiber ribbon cable with an elastic wrapping outer sheath comprises an outer sheath (1), a cable core (3) and an optical fiber ribbon body (2), and is characterized in that the cable core (3) is composed of a cable core main body (31), a plurality of open fiber containing grooves (32) are formed around the outer edge of the cable core main body (31), the optical fiber ribbon body (2) is arranged in each fiber containing groove (32), a clamping groove (33) is formed between every two adjacent fiber containing grooves (32), an embedded groove (34) is formed towards the outer side of the cable core by each clamping groove (33), an open containing groove (36) is further formed between one fiber containing groove (32) and the clamping groove (33) on the left side, an outer sheath containing cavity (38) is formed in the cable core main body (31), and the outer sheath containing cavity (38) is communicated with the containing grooves (36) through a cloth outlet channel (37); the outer protection layer (1) is composed of an outer protection layer main body (11), a limiting rod (12) and a cloth shaft (15), one end of the outer protection layer main body (11) is connected with the side wall of the cloth shaft (15), the outer protection layer main body (11) is wound on the cloth shaft (15), the other end of the outer protection layer main body (11) is connected with the side wall of the limiting rod (12), the cloth shaft (15) is located in an outer protection layer containing cavity (38), the outer protection layer main body (11) penetrates through a cloth channel (37), the outer diameter of the limiting rod (12) is smaller than the outer diameter of a clamping groove (33) and larger than the width of an embedded groove (34), and the outer diameters of the cloth shaft (15) and the limiting rod (12) are larger than the width of the cloth channel (37); the outer protective layer main body (11) has elasticity, and the limiting rod (12) is clamped into the clamping groove (33) adjacent to the left side of the accommodating groove (36), and the outer protective layer main body (11) is in a stretching state at the moment.
2. The optical fiber ribbon cable with the elastic coated outer sheath of claim 1, wherein the outer wall of the cable core main body (31) is provided with a second burr layer (39), and the inner wall of the outer sheath main body (11) is a burr surface and can be adhered to the second burr layer (39).
3. The optical fiber ribbon cable with the elastic coated outer sheath as claimed in claim 1 or claim 2, wherein a third stopper (35) is disposed at two ends of the opening of the fiber accommodating groove (32), and a distance between end points of the third stopper (35) is smaller than a width of the optical fiber ribbon body (2).
4. Optical fiber ribbon cable with elastic coated outer sheath according to claim 3, characterized in that at least one electrical unit (4) is provided in the remaining slots (33) except for the stop rod (12).
5. An optical fiber ribbon cable with an elastic wrapping outer protective layer is provided with an outer protective layer (1), a cable core (3) and an optical fiber ribbon body (2), it is characterized in that the cable core (3) is composed of a cable core main body (31), a plurality of open fiber containing grooves (32) are formed around the outer edge of the cable core main body (31), an optical fiber belt body (2) is arranged in each fiber containing groove (32), a clamping groove (33) is formed between every two adjacent fiber containing grooves (32), an embedded groove (34) is formed towards the outer side of the cable core by each clamping groove (33), an open accommodating groove (36) is formed between one of the fiber accommodating grooves (32) and the clamping groove (33) on the left side, an outer protective layer accommodating cavity (38) is formed in the cable core main body (31), the outer protective layer accommodating cavity (38) is communicated with the accommodating groove (36) through a cloth outlet channel (37), at least a plurality of second limiting grooves (310) are formed in the side wall of the outer protective layer accommodating cavity (38);
outer jacket (1) comprises outer jacket main part (11), gag lever post (12) and cloth axle (15), and outer jacket main part (11) outer wall is the matte, and the one end and the cloth axle (15) lateral wall of outer jacket main part (11) are connected, and outer jacket main part (11) are convoluteed on cloth axle (15), and the other end and gag lever post (12) lateral wall of outer jacket main part (11) are connected, still are equipped with first burr layer (17) on outer jacket main part (11) inner wall that is located gag lever post (12) one side, and first burr layer (17) can with outer jacket main part (11) outer wall adhesion, and cloth axle (15) are located outer jacket appearance chamber (38), and outer jacket main part (11) pass out cloth way (37), respectively form a plurality of first spacing groove (16) at cloth axle (15) both ends, and cloth axle (15) both ends still form the screw thread, and cloth axle (15) both ends cover has separation blade (13), separation blade (13) are by main part (131) and the separation blade (131) are located first separation blade (132) around first separation blade (132) on the separation blade (131) of main part (131) ) The number of the first limiting blocks (132) is the same as that of the second limiting grooves (310), the positions of the first limiting blocks correspond to those of the second limiting grooves, a middle hole (133) is formed in the center of the baffle plate main body (131), the second limiting blocks (134) are arranged on the baffle plate main body (131) in the middle hole (133), the number of the second limiting blocks (134) is the same as that of the first limiting grooves (16), the positions of the second limiting blocks (134) correspond to those of the first limiting grooves, and nuts (14) are meshed with threads at two ends of the cloth shaft (15); the number of turns of winding of sheath main part (11) around cable core (3) is greater than the round to outer sheath main part (11) of adhesion is gone up to first burr layer (17), and corresponding first spacing groove (16) are gone into to second stopper (134) card this moment, and first stopper (132) card is gone into in corresponding second spacing groove (310), and fastens with nut (14), prevents cloth axle (15) and rotates.
6. The optical fiber ribbon cable with the elastic coated outer sheath of claim 5, wherein the outer wall of the cable core main body (31) is provided with a second burr layer (39), and the inner wall of the outer sheath main body (11) is a burr surface and can be adhered to the second burr layer (39).
7. The optical fiber ribbon cable with the elastic coated outer sheath as claimed in claim 6, wherein a third stopper (35) is disposed at two ends of the opening of the fiber accommodating groove (32), and the distance between the end points of the third stopper (35) is smaller than the width of the optical fiber ribbon body (2).
8. The optical fiber ribbon cable with an elastic coated outer sheath according to claim 7, wherein at least one electrical unit (4) is disposed in the slot (33).
9. The fiber optic ribbon cable having an elastomeric coated outer jacket according to claim 8, wherein the fiber optic ribbon body is formed by stacking at least two fiber optic ribbons, the fiber optic ribbons being formed by stacking at least two optical fibers.
10. The optical fiber ribbon cable with the elastic coated outer sheath according to claim 9, wherein the material of the cable core (3) is high density polyethylene.
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| CN216696804U (en) * | 2022-03-01 | 2022-06-07 | 长飞光电线缆(苏州)有限公司 | Optical fiber ribbon optical cable with elastic outer package |
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| JPH09230184A (en) * | 1996-02-22 | 1997-09-05 | Mitsubishi Cable Ind Ltd | Optical fiber tape |
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