CN212933068U - High-strength access type optical fiber cable - Google Patents
High-strength access type optical fiber cable Download PDFInfo
- Publication number
- CN212933068U CN212933068U CN202021387172.6U CN202021387172U CN212933068U CN 212933068 U CN212933068 U CN 212933068U CN 202021387172 U CN202021387172 U CN 202021387172U CN 212933068 U CN212933068 U CN 212933068U
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- baffle
- optical
- layer sleeve
- optic fibre
- 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.)
- Expired - Fee Related
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 43
- 239000000835 fiber Substances 0.000 claims abstract description 23
- 230000003287 optical effect Effects 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 15
- 239000003365 glass fiber Substances 0.000 claims abstract description 14
- 230000002787 reinforcement Effects 0.000 claims abstract description 14
- 239000000779 smoke Substances 0.000 claims abstract description 14
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 13
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 10
- 150000002367 halogens Chemical class 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000004831 Hot glue Substances 0.000 claims description 3
- -1 polybutylene terephthalate Polymers 0.000 claims description 3
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 3
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 239000002674 ointment Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- 238000009941 weaving Methods 0.000 abstract description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000283984 Rodentia Species 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000013308 plastic optical fiber Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
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Abstract
The utility model discloses a high strength access formula fiber optic cable, be circular shape optical cable body including the cross-section, the optical cable body has set gradually optical fiber unit, double-deck sleeve pipe, water-blocking glass fiber band, aramid fiber reinforcement and low smoke and zero halogen sheath from inside to outside, is provided with three baffle along the circumferencial direction equidistance in the optical fiber unit, and the other end of three baffle is fixed connection respectively and is located optical fiber unit's axle center department. The utility model relates to a high strength access formula optical fiber cable, through the three baffle that is equipped with, can separate two adjacent optic fibre, cause the possibility of wearing and tearing when reducing optic fibre direct contact, and be certain contained angle between two adjacent baffles, can play the crowded tight effect of centre gripping to optic fibre, improve the stability of optic fibre in the optical fiber unit, the metal mesh layer of weaving through the steel wire that is equipped with, can improve the tensile strength of optical cable body, and the wire net has certain rigidity, can also strengthen the resistance to compression effect of optical cable body.
Description
Technical Field
The utility model relates to an optical fiber cable specifically is a high strength access formula optical fiber cable.
Background
An optical fibre cable is a telecommunications cable consisting of two or more glass or plastic optical fibre cores, which are located in a protective covering, covered by a plastic PVC outer sleeve, the signal transmission along the inner optical fibre generally using infrared light.
According to the utility model of China (application number: CN201720302736.3, application date: 2017.03.27), the disclosed "high-strength access type optical cable" is structured that the optical cable is provided with an optical fiber unit, a double-layer sleeve, a water-blocking glass fiber belt, an aramid fiber reinforcement and a low-smoke halogen-free sheath from inside to outside in sequence, the optical fiber unit adopts a micro-beam tube structure, a plurality of optical fibers are arranged in the optical fiber unit, factice is filled between the optical fiber unit and the double-layer sleeve, the double-layer sleeve is longitudinally wrapped with the water-blocking glass fiber belt, the low-smoke halogen-free sheath is wrapped around the water-blocking glass fiber belt, the aramid fiber reinforcement is arranged between the water-blocking glass fiber belt and the low-smoke halogen-free sheath, a mooring rope is arranged at the position between the aramid fiber reinforcement and the low-smoke halogen-free sheath, twisted steel wires; the utility model discloses an adopt novel structural design for the optical cable is tensile, the resistance to compression, block water, the performance is excellent in the aspect of protection against rodents stings, and all has certain advantage in the aspect of installation and laying, external diameter is little simultaneously, easily construction, longe-lived, nevertheless still be not enough a bit on using, stability between a plurality of optic fibre is relatively poor, and the extrusion of mutual contact between a plurality of optic fibre causes wearing and tearing easily, still through two transposition steel wires that are equipped with, can strengthen the certain tensile strength of optical cable, nevertheless not good to the compressive strength raising effect of optical cable. We have therefore developed this and have proposed a high strength access optical fibre cable.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a high strength access formula fiber optic cable, be circular shape optical cable body including the cross-section, the optical cable body has set gradually optical fiber unit, double-deck sleeve pipe, the glass fiber area that blocks water, aramid fiber reinforcement and low smoke and zero halogen sheath from inside to outside, be provided with three baffle, three along the circumferencial direction equidistance in the optical fiber unit the other end of baffle is fixed connection respectively and is located optical fiber unit's axle center department, and adjacent two be provided with optic fibre between the baffle, be provided with metal mesh layer in the low smoke and zero halogen sheath.
As an optimal technical scheme of the utility model, double-deck sleeve pipe includes inlayer sleeve pipe and outer sleeve pipe, inlayer sheathed tube material is polycarbonate, outer sheathed tube material is polybutylene terephthalate.
As an optimal technical scheme of the utility model, optical fiber unit and inlayer sleeve pipe, inlayer sleeve pipe and outer sleeve pipe, outer sleeve pipe with the glass fiber area that blocks water, the glass fiber area that blocks water all bonds through the hot melt adhesive between with aramid fiber reinforcement, the low smoke and zero halogen sheath of aramid fiber reinforcement mutually.
As an optimized technical scheme of the utility model, the baffle is made by stainless steel material, just clearance department between baffle and the optic fibre is filled with the oleamen.
As an optimized technical scheme of the utility model, metal mesh layer is woven by the stainless steel wire and is formed, just metal mesh layer's thickness is 0.1 mm.
The utility model has the advantages that: this kind of high strength access formula fiber optic cable, through the three baffle that is equipped with, can separate two adjacent optic fibre, cause the possibility of wearing and tearing when reducing optic fibre direct contact, and be certain contained angle between two adjacent baffles, can play the crowded tight effect of centre gripping to optic fibre, improve the stability of optic fibre in the optical fiber unit, the metal mesh layer of weaving through the steel wire that is equipped with, can improve the tensile strength of optical cable body, and the wire net has certain rigidity, can also strengthen the resistance to compression effect of optical cable body.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a high-strength access optical fiber cable according to the present invention;
fig. 2 is a schematic view of a connection structure between an optical fiber and a baffle of a high-strength access optical fiber cable according to the present invention;
fig. 3 is a schematic view of the connection structure between the metal mesh layer and the low smoke zero halogen sheath of the high strength access optical fiber cable.
In the figure: 1. an optical cable body; 2. an optical fiber unit; 3. a double-layer sleeve; 4. a water-blocking glass fiber tape; 5. an aramid reinforcement; 6. a low smoke zero halogen sheath; 7. a baffle plate; 8. an optical fiber; 9. a metal mesh layer; 10. ointment.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in fig. 1, fig. 2 and fig. 3, the utility model relates to a high strength access formula fiber optic cable, including the cross-section be circular shape optical cable body 1, optical cable body 1 has set gradually optical fiber unit 2 from inside to outside, double-deck sleeve pipe 3, the glass fiber area 4 that blocks water, aramid fiber reinforcement 5 and low smoke and zero halogen sheath 6, be provided with three baffle 7 along the circumferencial direction equidistance in the optical fiber unit 2, the other end of three baffle 7 is fixed connection respectively and is located the axle center department of optical fiber unit 2, and be provided with optic fibre 8 between two adjacent baffle 7, be provided with metal mesh layer 9 in the low smoke and zero halogen sheath 6, double-deck sleeve pipe 3 includes inlayer sleeve pipe and outer sleeve pipe, inlayer sheathed tube material is polycarbonate, outer sheathed tube material is polybutylene terephthalate, optical fiber unit 2 and inlayer sleeve pipe, inlayer sleeve pipe and outer sleeve pipe, outer sleeve pipe and glass, The water-blocking glass fiber belt 4, the aramid fiber reinforcement 5 and the aramid fiber reinforcement 5 are bonded through hot melt adhesive, the baffle 7 is made of stainless steel materials, the gap between the baffle 7 and the optical fiber 8 is filled with factice 10, the metal net layer 9 is formed by weaving stainless steel metal wires, and the thickness of the metal net layer 9 is 0.1 mm.
This embodiment is through the three baffle 7 that is equipped with, can separate two adjacent optic fibre 8, cause the possibility of wearing and tearing when reducing a plurality of optic fibre 8 direct contact, and be certain contained angle between two adjacent baffles 7, can play the crowded tight effect of centre gripping to optic fibre 8, improve the stability of optic fibre 8 in optical fiber unit 2, metal mesh layer 9 through the steel wire woven that is equipped with, can improve optical cable body 1's tensile property, and the wire net has certain rigidity, can also strengthen optical cable body 1's resistance to compression effect.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a high strength access formula fiber optic cable, is circular shape optical cable body (1) including the cross-section, its characterized in that, optical cable body (1) has set gradually optical fiber unit (2), double-deck sleeve pipe (3) from inside to outside, glass fiber tape (4), aramid fiber reinforcement (5) and low smoke and zero halogen sheath (6) block water, be provided with three baffle (7) along the circumferencial direction equidistance in optical fiber unit (2), it is three the other end of baffle (7) fixed connection respectively and lie in the axle center department of optical fiber unit (2), and adjacent two be provided with optic fibre (8) between baffle (7), be provided with metal mesh layer (9) in low smoke and zero halogen sheath (6).
2. The high-strength access type optical fiber cable according to claim 1, wherein the double-layer sleeve (3) comprises an inner layer sleeve and an outer layer sleeve, the inner layer sleeve is made of polycarbonate, and the outer layer sleeve is made of polybutylene terephthalate.
3. The high-strength access type optical fiber cable according to claim 2, wherein the optical fiber unit (2) is bonded with the inner-layer sleeve, the inner-layer sleeve and the outer-layer sleeve, and the outer-layer sleeve is bonded with the water-blocking glass fiber tape (4), the aramid fiber reinforcement (5) and the aramid fiber reinforcement (5) through the hot melt adhesive.
4. A high strength access optical fiber cable according to claim 1, wherein the baffle (7) is made of stainless steel material, and the gap between the baffle (7) and the optical fiber (8) is filled with ointment (10).
5. A high strength access optical fiber cable according to claim 1, wherein the metal mesh layer (9) is woven from stainless steel wires, and the thickness of the metal mesh layer (9) is 0.1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021387172.6U CN212933068U (en) | 2020-07-14 | 2020-07-14 | High-strength access type optical fiber cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021387172.6U CN212933068U (en) | 2020-07-14 | 2020-07-14 | High-strength access type optical fiber cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212933068U true CN212933068U (en) | 2021-04-09 |
Family
ID=75330162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021387172.6U Expired - Fee Related CN212933068U (en) | 2020-07-14 | 2020-07-14 | High-strength access type optical fiber cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212933068U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114942499A (en) * | 2022-07-20 | 2022-08-26 | 长飞光纤光缆股份有限公司 | Optical unit of PC/PBT composite loose tube, preparation method thereof, forming die and optical cable |
-
2020
- 2020-07-14 CN CN202021387172.6U patent/CN212933068U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114942499A (en) * | 2022-07-20 | 2022-08-26 | 长飞光纤光缆股份有限公司 | Optical unit of PC/PBT composite loose tube, preparation method thereof, forming die and optical cable |
| CN114942499B (en) * | 2022-07-20 | 2022-11-04 | 长飞光纤光缆股份有限公司 | Optical unit with PC/PBT composite loose tube, preparation method thereof, forming die and optical cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210409 |