CN209895053U - Small-outer-diameter reelable reticular optical fiber ribbon optical cable - Google Patents
Small-outer-diameter reelable reticular optical fiber ribbon optical cable Download PDFInfo
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- CN209895053U CN209895053U CN201920903325.9U CN201920903325U CN209895053U CN 209895053 U CN209895053 U CN 209895053U CN 201920903325 U CN201920903325 U CN 201920903325U CN 209895053 U CN209895053 U CN 209895053U
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Abstract
The utility model discloses a small-outer-diameter reelable reticular optical fiber ribbon optical cable, which comprises a reelable reticular optical fiber ribbon, wherein an aramid fiber reinforced layer is arranged outside the reelable reticular optical fiber ribbon, a central reinforcing member is arranged in the aramid fiber reinforced layer, the reelable reticular optical fiber ribbon is wrapped and arranged outside the central reinforcing member, an outer insulating sleeve is arranged outside the aramid fiber reinforced layer, an outer shielding layer is arranged outside the outer insulating sleeve, an inner protective layer is arranged outside the outer shielding layer, a middle protective layer is arranged outside the inner protective layer, a buffer layer is arranged outside the middle protective layer, a plurality of damping springs are uniformly distributed in the buffer layer, and one end of each damping spring is fixedly arranged outside the buffer layer. Protecting the optical fibers inside.
Description
Technical Field
The utility model relates to a physics field especially relates to optical signal transmission technique, in particular to optical cable, and specifically is a netted optical fiber ribbon optical cable can be convoluteed to little external diameter.
Background
With the increasing demand of users for information, the development of user access networks is accelerated. In order to realize multimedia of user terminals, the construction of optical fiber user access networks is actively carried out in various domestic big cities. Generally, the construction of the fiber-optic subscriber access network is to implement fiber-to-the-road (FTTC), fiber-to-the-building (FTTB), and then gradually implement fiber-to-the-home (FTTH) and fiber-to-the-desktop (FTTD).
In the prior art, the optical fiber ribbon is flat, the manufactured optical fiber ribbon optical cable is also flat generally, the flat optical cable is limited by the shape of the flat optical cable, the pipeline space cannot be effectively utilized, the outer diameter of the existing round optical fiber is large, and the installation and construction are not facilitated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a netted optical fiber ribbon optical cable can be convoluteed to little external diameter to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an optical cable with a small outer diameter and capable of winding a reticular optical fiber ribbon comprises a coilable reticular optical fiber ribbon, wherein an aramid fiber reinforced layer is arranged on the outer side of the coilable reticular optical fiber ribbon, a central reinforcing member is arranged in the aramid fiber reinforced layer, the coilable reticular optical fiber ribbon is wrapped and arranged on the outer side of the central reinforcing member, an outer insulating sleeve is arranged on the outer side of the aramid fiber reinforced layer, an outer shielding layer is arranged on the outer side of the outer insulating sleeve, an inner protective layer is arranged on the outer side of the inner protective layer, a buffer layer is arranged on the outer side of the middle protective layer, a plurality of damping springs are uniformly distributed in the buffer layer, one end of each damping spring is fixedly arranged on the outer side of the buffer layer, the other end of each damping spring is fixedly arranged in an outer sheath, the outer insulating sleeve, the outer shielding, the outside of oversheath is provided with anti-aging layer.
Preferably, optic fibre includes the outer tube, and the outer tube inboard is provided with interior sleeve pipe, and interior sleeve pipe inboard has set gradually internal shield layer and internal insulation layer, and by the structure as an organic whole of compaction between outer tube, interior sleeve pipe, internal shield layer and the internal insulation layer, and the surface of internal insulation layer is connected with fine cream, and the inner wall of fine cream is connected with many fibre cores.
Preferably, the central reinforcing member is symmetrically provided with two clamping grooves, and the outer side of the outer sleeve of the optical fiber is provided with clamping strips in sliding connection with the clamping grooves.
Preferably, every two adjacent optical fibers are fixedly connected through an adhesive block, and a clamping strip is arranged on the outer side of the optical fiber corresponding to the clamping groove.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a netted optical fiber ribbon optical cable can be convoluteed to little external diameter, can convolute netted optical fiber ribbon optical cable as subunit, aramid fiber enhancement layer is as its enhancement original paper, outer oversheath has fire-retardant and soft performance, protect its inside optic fibre, the outer insulation cover in the aramid fiber enhancement layer outside has increased insulating properties, the outer shielding layer has increased shielding properties, prevent that external signal from disturbing the transmission of inside optic fibre, inner protection layer and middle level protective layer have increased the protection to inside optic fibre, damping spring in the buffer layer buffers the impact that netted optical fiber ribbon optical cable can be convoluteed to this little external diameter and received, protect its inside optic fibre, anti-aging layer has increased the ageing resistance of the well oversheath of this netted optical fiber ribbon optical cable can be convoluteed to little external diameter;
2. the bonding block bonds and solidifies every two adjacent optical fibers at intervals, only the connection point of the optical fibers is bonded and solidified, the shape of the optical fiber ribbon can be changed, splicing is convenient, a minimum outer diameter beam shape can be formed, ultrahigh density is effectively achieved, optical cable and engineering installation cost is reduced, pipeline space is saved, when the small outer diameter reelable reticular optical fiber ribbon optical cable is used, the reelable reticular optical fiber ribbon can be unfolded and can be changed into a flat shape after the outer sheath is stripped, the very effective high-density integrated structure is more convenient for subsequent operation, and space is saved;
3. the outer sleeves with different colors are used on the outer sides of the optical fibers, so that the optical fibers are convenient to mark and distinguish, and the insulating property and the shielding property of the optical fibers are improved by the inner insulating layer and the inner shielding layer.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the optical fiber according to the present invention;
FIG. 3 is a schematic view of the optical fiber structure of the present invention;
fig. 4 is a schematic structural view of the central reinforcement of the present invention.
In the figure: 1. an outer sheath; 2. a coilable mesh optical fiber ribbon; 3. an aramid fiber reinforcement layer; 4. an optical fiber; 41. clamping the strip; 42. bonding blocks; 43. fiber paste; 44. a fiber core; 45. an inner insulating layer; 46. an inner shield layer; 47. an inner sleeve; 48. an outer sleeve; 5. a central reinforcement; 51. a card slot; 6. an outer insulating sleeve; 7. an outer shield layer; 8. an inner protective layer; 9. a middle protective layer; 10. a buffer layer; 11. a damping spring; 12. and an anti-aging layer.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-4, the present invention provides a technical solution: the small-outer-diameter reelable reticular optical fiber ribbon optical cable comprises a reelable reticular optical fiber ribbon 2, an aramid fiber reinforced layer 3 is arranged on the outer side of the reelable reticular optical fiber ribbon 2, a central reinforcement 5 is arranged in the aramid fiber reinforced layer 3, the reelable reticular optical fiber ribbon 2 is wrapped and arranged on the outer side of the central reinforcement 5, an outer insulating sleeve 6 is arranged on the outer side of the aramid fiber reinforced layer 3, an outer shielding layer 7 is arranged on the outer side of the outer insulating sleeve 6, an inner protective layer 8 is arranged on the outer side of the outer shielding layer 7, a middle protective layer 9 is arranged on the outer side of the inner protective layer 8, a buffer layer 10 is arranged on the outer side of the middle protective layer 9, a plurality of damping springs 11 are uniformly distributed in the buffer layer 10, one end of each damping spring 11 is fixedly arranged on the outer side of the buffer layer 10, the other, The middle layer protective layer 9 and the buffer layer 10 are arranged between the outer sheath 1 and the aramid fiber reinforced layer 3, and the anti-aging layer 12 is arranged on the outer side of the outer sheath 1. The utility model discloses a netted optical fiber ribbon optical cable can be convoluteed to little external diameter, can convolute netted optical fiber ribbon 2 and be the subunit, aramid fiber enhancement layer 3 is as its reinforcing element, outer oversheath 1 has fire-retardant and soft performance, protect its inside optic fibre 4, the outer insulating cover 6 in the 3 outsides of aramid fiber enhancement layer has increased insulating properties, outer shielding layer 7 has increased shielding properties, prevent the transmission of the inside optic fibre of external signal interference, inlayer protective layer 8 and middle level protective layer 9 have increased the protection to inside optic fibre, damping spring 11 in the buffer layer 10, cushion the impact that netted optical fiber ribbon optical cable received can be convoluteed to this little external diameter, protect its inside optic fibre 4, anti-aging layer 12 has increased the ageing resistance of this little external diameter can convolute netted optical fiber ribbon optical cable's oversheath 1.
The optical fiber 4 comprises an outer sleeve 48, an inner sleeve 47 is arranged on the inner side of the outer sleeve 48, an inner shielding layer 46 and an inner insulating layer 45 are sequentially arranged on the inner side of the inner sleeve 47, the outer sleeve 48, the inner sleeve 47, the inner shielding layer 46 and the inner insulating layer 45 are compacted into a whole, the surface of the inner insulating layer 45 is connected with the fiber paste 43, and the inner wall of the fiber paste 43 is connected with the fiber cores 44. The outer side of the optical fiber 4 is provided with an outer sleeve 48 with different colors, so that the marking and the distinguishing are convenient, and the inner insulating layer 45 and the inner shielding layer 46 increase the insulating property and the shielding property of the optical fiber 4.
Two pairwise symmetries are provided with draw-in groove 51 on central reinforcement 5, and the outer tube 48 outside of optic fibre 4 is provided with the card strip 41 with draw-in groove 51 sliding connection, through card strip 41 in draw-in groove 51, conveniently fixes the position of optic fibre 4.
Carry out fixed connection through bonding piece 42 between per two adjacent optic fibre 4, wherein the optic fibre 4 outside that corresponds draw-in groove 51 position is provided with card strip 41, 4 interval nature of per two adjacent optic fibre pass through bonding piece 42 bonding solidification, and only the tie point bonding solidification of optic fibre 4, can change the shape of optic fibre area, convenient continuation connects, can form minimum external diameter beam form again, very effectual super high density that reaches, optical cable and engineering installation cost have been reduced, the pipeline space has also been saved, and when this little external diameter can convolute netted optic fibre area optical cable and use, strip behind the oversheath, can convolute netted optic fibre area and expand and also can become flat shape, follow-up operation of being convenient for more of very effectual high density integrated structure, practice thrift the space more.
The working principle is as follows: bonding block 42 bonding solidification of passing through of two adjacent optic fibre 4 intervals nature, and only optic fibre 4's tie point bonding solidification, but form the netted optical fiber ribbon 2 of convoluteing of minimum external diameter bunch form, bond in the outside of outer tube 48 through card strip 41, card strip 41 and draw-in groove 51 cooperation, can convolute netted optical fiber ribbon 2 and install in aramid fiber enhancement layer 3 and central reinforcement 5, outer insulating cover 6, outer shielding layer 7, inlayer protective layer 8 and middle layer protective layer 9 crimping structure as an organic whole, and set up the outside at aramid fiber enhancement layer 3, evenly bond the outside at middle layer protective layer 9 to damping spring 11, ageing resistance layer 12 and 1 crimping structure as an organic whole, connect the inboard and damping spring 11 of oversheath 1, the shock attenuation shock-absorbing capacity of optic fibre has been increased.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A small outer diameter coilable mesh fiber ribbon cable comprising a coilable mesh fiber ribbon (2), characterized in that: an aramid fiber reinforced layer (3) is arranged on the outer side of the rollable reticular optical fiber ribbon (2), a central reinforcing part (5) is arranged in the aramid fiber reinforced layer (3), the rollable reticular optical fiber ribbon (2) is wrapped on the outer side of the central reinforcing part (5), an outer insulating sleeve (6) is arranged on the outer side of the aramid fiber reinforced layer (3), an outer shielding layer (7) is arranged on the outer side of the outer insulating sleeve (6), an inner protective layer (8) is arranged on the outer side of the outer shielding layer (7), a middle protective layer (9) is arranged on the outer side of the inner protective layer (8), a buffer layer (10) is arranged on the outer side of the middle protective layer (9), a plurality of damping springs (11) are uniformly distributed in the buffer layer (10), one end of each damping spring (11) is fixedly arranged on the outer side of the buffer layer (10), the, and the outer insulating sleeve (6), the outer shielding layer (7), the inner protective layer (8), the middle protective layer (9) and the buffer layer (10) are arranged between the outer sheath (1) and the aramid fiber reinforced layer (3), and the anti-aging layer (12) is arranged on the outer side of the outer sheath (1).
2. The small outer diameter coilable mesh fiber optic ribbon cable of claim 1, wherein: the optical fiber (4) comprises an outer sleeve (48), an inner sleeve (47) is arranged on the inner side of the outer sleeve (48), an inner shielding layer (46) and an inner insulating layer (45) are sequentially arranged on the inner side of the inner sleeve (47), the outer sleeve (48), the inner sleeve (47), the inner shielding layer (46) and the inner insulating layer (45) are compacted into an integral structure, the surface of the inner insulating layer (45) is connected with fiber paste (43), and the inner wall of the fiber paste (43) is connected with a plurality of fiber cores (44).
3. The small outer diameter coilable mesh fiber optic ribbon cable of claim 1, wherein: the central reinforcing piece (5) is symmetrically provided with clamping grooves (51) in pairs, and the outer side of the outer sleeve (48) of the optical fiber (4) is provided with clamping strips (41) which are in sliding connection with the clamping grooves (51).
4. The small outer diameter coilable mesh fiber optic ribbon cable of claim 1, wherein: every two adjacent optical fibers (4) are fixedly connected through an adhesive block (42), wherein a clamping strip (41) is arranged on the outer side of each optical fiber (4) corresponding to the position of the clamping groove (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920903325.9U CN209895053U (en) | 2019-06-17 | 2019-06-17 | Small-outer-diameter reelable reticular optical fiber ribbon optical cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920903325.9U CN209895053U (en) | 2019-06-17 | 2019-06-17 | Small-outer-diameter reelable reticular optical fiber ribbon optical cable |
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| CN209895053U true CN209895053U (en) | 2020-01-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820807A (en) * | 2021-09-14 | 2021-12-21 | 南京华信藤仓光通信有限公司 | Small-outer-diameter optical cable structure |
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- 2019-06-17 CN CN201920903325.9U patent/CN209895053U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820807A (en) * | 2021-09-14 | 2021-12-21 | 南京华信藤仓光通信有限公司 | Small-outer-diameter optical cable structure |
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