CN208537782U - A kind of tension anti-extrusion fire-retardant cable - Google Patents
A kind of tension anti-extrusion fire-retardant cable Download PDFInfo
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- CN208537782U CN208537782U CN201820410369.3U CN201820410369U CN208537782U CN 208537782 U CN208537782 U CN 208537782U CN 201820410369 U CN201820410369 U CN 201820410369U CN 208537782 U CN208537782 U CN 208537782U
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- cable
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- optical fiber
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 42
- 238000001125 extrusion Methods 0.000 title claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 30
- 229910052751 metal Inorganic materials 0.000 claims abstract description 30
- 239000013307 optical fiber Substances 0.000 claims abstract description 30
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 15
- 229910001220 stainless steel Inorganic materials 0.000 claims description 11
- 239000010935 stainless steel Substances 0.000 claims description 11
- 239000004677 Nylon Substances 0.000 claims description 7
- 229920006231 aramid fiber Polymers 0.000 claims description 7
- 229920001778 nylon Polymers 0.000 claims description 7
- 239000000779 smoke Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract description 35
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 34
- 239000000835 fiber Substances 0.000 description 4
- -1 sub- cable sheath Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000009954 braiding Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004079 fireproofing Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 150000002843 nonmetals Chemical class 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model relates to optical cable technology fields, a kind of tension anti-extrusion fire-retardant cable is specifically disclosed, it includes several optical fiber, it further include sub- cable enhancement layer, sub- cable sheath, metal shielding, non-metal reinforced layer and the high fire-retardance sheath of setting successively being coated along the centerline direction far from the optical fiber, and the sub- cable enhancement layer is coated on the optical fiber.The tensile strength of optical cable can be improved in sub- cable enhancement layer, and the flame retardant effect of optical cable can be improved in sub- cable sheath；Metal shielding is coated on outside sub- cable sheath, provides enough lateral pressure resistant abilities for the entire axial direction of cable.On the one hand the tensile strength of optical cable can be improved in non-metal reinforced layer, on the other hand can prevent because some unexpected factors cause metal shielding to damage the lower high fire-retardance sheath of intensity.Tension anti-extrusion fire-retardant cable is made of multilayer enhancement layer and sheath, and each layer is reasonably distributed, and effectively increases lateral pressure resistant performance, tensile property and the flame retardant property of optical cable.
Description
Technical field
The utility model relates to optical cable technology field more particularly to a kind of tension anti-extrusion fire-retardant cables.
Background technique
Optical cable is generally used under numerous conditions at present, and is gradually replacing conventional wire cable.Optical cable it is some
Using high temperature and other usually need to pull in use, squeeze more under rugged environment, therefore optical cable needs to have
Standby certain fire-retardant and intensity.
Optical cable in the prior art includes optical fiber, one layer of non-metal reinforced layer, one layer of metal shielding and one layer of sheath, but
The intensity and flame retardant property of the optical cable are still unable to satisfy requirement.
Utility model content
The purpose of this utility model is to provide a kind of tension anti-extrusion fire-retardant cable, to improve the intensity of optical cable and fire-retardant
Performance.
For this purpose, the utility model uses following technical scheme:
A kind of tension anti-extrusion fire-retardant cable, including several optical fiber further include along the centerline direction far from the optical fiber
Successively coat sub- cable enhancement layer, sub- cable sheath, metal shielding, non-metal reinforced layer and the high fire-retardance sheath of setting, and institute
It states sub- cable enhancement layer and is coated on the optical fiber.
Preferably, the metal shielding includes the metal tape spiral armor and packet being coated on outside the sub- cable sheath
The wire sheathing being overlying on outside the metal tape spiral armor.
Preferably, the metal tape spiral armor is made of stainless steel band.
Preferably, the width of the stainless steel band is 1.2~1.8cm, the stainless steel band with a thickness of 0.3~
0.5cm。
Preferably, the wire sheathing is made of steel wire.
Preferably, the sub- cable enhancement layer is made of aramid fiber.
Preferably, the sub- cable sheath is made of halogen-free low-smoke flame retardant material.
Preferably, the non-metal reinforced layer is made of aramid fiber.
Preferably, the optical fiber is nylon tightly packaged fiber.
The utility model has the beneficial effects that
(1), sub- cable enhancement layer is coated on outside optical fiber, and sub- cable enhancement layer can be made of the higher nonmetallic materials of intensity,
The tensile strength of optical cable is improved, and the nonmetallic materials can have certain elasticity, to prevent the hardness of sub- cable enhancement layer
Excessive damage optical fiber；
(2), sub- cable sheath can be made of halogen-free low-smoke flame retardant material, such as low-smoke non-halogen flame-retardant polyethylene, so as to
Improve the flame retardant effect of optical cable；Metal shielding is coated on outside sub- cable sheath, provides enough resist for the entire axial direction of cable
Side pressure ability.
(3), non-metal reinforced layer is coated on outside metal shielding, and the tensile strength of optical cable on the one hand can be improved, another
Aspect can prevent because some unexpected factors cause metal shielding to damage the lower high fire-retardance sheath of intensity, so that it is guaranteed that high
The flame retardant property of fire retardant jacket.
(4), the optical cable of the application is made of multilayer enhancement layer and sheath, and each layer is reasonably distributed, and effectively increases optical cable
Lateral pressure resistant performance, tensile property and flame retardant property, can be used in some rugged environments such as ship.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the tension anti-extrusion fire-retardant cable of the utility model.
In figure:
1, optical fiber；2, sub- cable enhancement layer；3, sub- cable sheath；4, metal tape spiral armor；5, wire sheathing；6, non-gold
Belong to enhancement layer；7, high fire-retardance sheath.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.It can manage
Solution, specific embodiment described herein are used only for explaining the utility model, rather than the restriction to the utility model.Separately
It is outer it should also be noted that, illustrating only part relevant to the utility model for ease of description, in attached drawing and not all.
A kind of tension anti-extrusion fire-retardant cable is present embodiments provided, the field applied to bad environments mainly but is not limited to
It closes, to improve the intensity and flame retardant effect of optical cable.
As shown in Figure 1, tension anti-extrusion fire-retardant cable provided in this embodiment, including several optical fiber 1, it further include along separate
The centerline direction of optical fiber 1 successively coats the sub- cable enhancement layer 2, sub- cable sheath 3, metal shielding, non-metal reinforced layer 6 of setting
And high fire-retardance sheath 7, and sub- cable enhancement layer 2 is coated on optical fiber 1.
Sub- cable enhancement layer 2 is coated on outside optical fiber 1, and sub- cable enhancement layer 2 can be made of the higher nonmetallic materials of intensity, is mentioned
The tensile strength of high optical cable, and the nonmetallic materials can have certain elasticity, to prevent the hardness mistake of sub- cable enhancement layer 2
Big damage optical fiber 1；Sub- cable sheath 3 can be made of halogen-free low-smoke flame retardant material, such as low-smoke non-halogen flame-retardant polyethylene, so as to
Improve the flame retardant effect of optical cable；Metal shielding is coated on outside sub- cable sheath 3, provides enough resist for the entire axial direction of cable
Side pressure ability.Non-metal reinforced layer 6 is coated on outside metal shielding, and the tensile strength of optical cable, another party on the one hand can be improved
Face can prevent because some unexpected factors cause metal shielding to damage the lower high fire-retardance sheath 7 of intensity, so that it is guaranteed that high
The flame retardant property of fire retardant jacket 7.Optical cable in the present embodiment is made of multilayer enhancement layer and sheath, the sub- cable that wherein sheath includes
Sheath 3 and high fire-retardance sheath 7 effectively increase lateral pressure resistant performance, the pull resistance of optical cable by the way that interlayer to be reasonably distributed
Energy and flame retardant property, can be used the optical cable in the present embodiment in some rugged environments such as ship.
Optical fiber 1 in the present embodiment is nylon tightly packaged fiber, and one layer of coating can be set in the surface of optical fiber 1, to improve light
The mechanical property and reduction optical fiber 1 of fibre 1 connect the junction loss generated when other component.Nylon hard-pressed bale is outside coating, this kind
The use temperature range of tightly packaged fiber is wide.The oxidative resistance of nylon material is good, can keep Transparent color for a long time, while nylon is tight
Packet optical fiber is coated on the internal layer of entire optical fiber 1, eliminates the shortcomings that nylon is intolerant to hydrolysis.
Sub- cable enhancement layer 2 is made of aramid fiber, and is filled between optical fiber 1 and sub- cable sheath 3, and optical fiber 1 can be prevented in son
It is shaken in cable sheath 3, and the intensity of aramid fiber is higher, can be used as the use of optical cable enhancement layer.
Metal shielding is coated on outside sub- cable sheath 3, and metal shielding includes the metal tape being set to outside sub- cable sheath 3
Spiral armor 4 and the wire sheathing 5 being coated on outside metal tape spiral armor 4.Metal tape spiral armor 4 mainly mentions
High optical cable lateral pressure resistant performance followed by improves the tensile property of optical cable, and metal tape spiral armor 4 is by stainless steel band with spiral
Form is wound in outside sub- cable sheath 3, that is, improves the intensity of optical cable, while can guarantee that optical cable keeps soft during bending
It is soft, and the surface of the stainless steel band before helically coiling is required not have the defects of burr, prevent metal tape spiral armor 4 from stabbing son
Cable sheath 3.The width of stainless steel band is 1.2~1.8cm, and with a thickness of 0.3~0.5cm, the stainless steel band of the size can be stablized
Be helically wound around outside sub- cable sheath 3, and the stainless steel band of the thickness can guarantee optical cable have enough lateral pressure resistant performances.Gold
Belong to braiding layer 5 to be made of steel wire, so that optical cable be made to have enough tensile properties, when use can arbitrarily be pulled.
Non-metal reinforced layer 6 is coated on outside wire sheathing 5, and is made of aramid fiber, and aramid fiber intensity is high, can prevent metal
Braiding layer 5 is embedded in high fire-retardance sheath 7 or destroys high fire-retardance sheath 7, while improving the intensity of entire optical cable, guarantees entire optical cable
Anti-flammability.High fire-retardance sheath 7 can be made of low friction fire proofing, and the fire proofing smog of the type is few, nonhazardous,
Environmental protection can such as use polyurethane material.
In addition to optical fiber 1, material used in whole optical cable is fire-retardant or incombustible material, so the flame retardant property of optical cable is excellent
It is different, sub- cable enhancement layer 2, sub- cable sheath 3, non-metal reinforced layer 6 and high fire-retardance sheath can be replaced according to different use occasions
7 materials used do all kinds of flame retardant rating products.
Obviously, the above embodiments of the present invention is used for the purpose of clearly illustrating examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (8)
1. a kind of tension anti-extrusion fire-retardant cable, including several optical fiber (1), which is characterized in that further include along far from the optical fiber
(1) centerline direction successively coats the sub- cable enhancement layer (2) of setting, sub- cable sheath (3), metal shielding, nonmetallic reinforcement
Layer (6) and high fire-retardance sheath (7), and the sub- cable enhancement layer (2) is coated on the optical fiber (1), the metal shielding packet
It includes the metal tape spiral armor (4) being coated on the sub- cable sheath (3) outside and is coated on the metal tape spiral armor (4)
Outer wire sheathing (5)；The sub- cable enhancement layer (2) is filled between the optical fiber (1) and the sub- cable sheath (3), and
It is made of nonmetallic materials and there is elasticity, the sub- cable sheath (3) is made of halogen-free low-smoke flame retardant material.
2. tension anti-extrusion fire-retardant cable according to claim 1, which is characterized in that the metal tape spiral armor
(4) it is made of stainless steel band.
3. tension anti-extrusion fire-retardant cable according to claim 2, which is characterized in that the width of the stainless steel band is
1.2~1.8cm, the stainless steel band with a thickness of 0.3~0.5cm.
4. tension anti-extrusion fire-retardant cable according to claim 1, which is characterized in that the wire sheathing (5) is by steel
Silk is made.
5. tension anti-extrusion fire-retardant cable according to claim 1, which is characterized in that the sub- cable enhancement layer (2) is by virtue
American run at.
6. tension anti-extrusion fire-retardant cable according to claim 1, the sub- cable sheath (3) is by halogen-free low-smoke flame retardant material
It is made.
7. tension anti-extrusion fire-retardant cable according to claim 1, which is characterized in that the non-metal reinforced layer (6) by
Aramid fiber is made.
8. tension anti-extrusion fire-retardant cable according to claim 1, which is characterized in that the optical fiber (1) is nylon hard-pressed bale
Optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820410369.3U CN208537782U (en) | 2018-03-26 | 2018-03-26 | A kind of tension anti-extrusion fire-retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820410369.3U CN208537782U (en) | 2018-03-26 | 2018-03-26 | A kind of tension anti-extrusion fire-retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208537782U true CN208537782U (en) | 2019-02-22 |
Family
ID=65395010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820410369.3U Active CN208537782U (en) | 2018-03-26 | 2018-03-26 | A kind of tension anti-extrusion fire-retardant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208537782U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114185137A (en) * | 2021-12-08 | 2022-03-15 | 通鼎互联信息股份有限公司 | Anti-loosening rat layer stranded outdoor optical cable with color warning function |
-
2018
- 2018-03-26 CN CN201820410369.3U patent/CN208537782U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114185137A (en) * | 2021-12-08 | 2022-03-15 | 通鼎互联信息股份有限公司 | Anti-loosening rat layer stranded outdoor optical cable with color warning function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200509 Address after: 226100 No.2, Zhonghua East Road, Sanchang street, Haimen City, Nantong City, Jiangsu Province Patentee after: Haimen Yulong Photoelectric Technology Co.,Ltd. Address before: The town of Huating Jiading District 201816 Shanghai City Hua Bo Road No. 666 building 4 floor 1 A zone Patentee before: SHANGHAI YURONG OPTICAL TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231114 Address after: 201800 Area A, 1st Floor, Building 4, No. 666 Huabo Road, Huating Town, Jiading District, Shanghai Patentee after: SHANGHAI YURONG OPTICAL TECHNOLOGY Co.,Ltd. Address before: 226100 No.2, Zhonghua East Road, Sanchang street, Haimen City, Nantong City, Jiangsu Province Patentee before: Haimen Yulong Photoelectric Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |