CN208654393U - A kind of reinforced fire-retarded fiber - Google Patents
A kind of reinforced fire-retarded fiber Download PDFInfo
- Publication number
- CN208654393U CN208654393U CN201821409671.3U CN201821409671U CN208654393U CN 208654393 U CN208654393 U CN 208654393U CN 201821409671 U CN201821409671 U CN 201821409671U CN 208654393 U CN208654393 U CN 208654393U
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- China
- Prior art keywords
- layer
- pasted
- fire
- polyvinyl chloride
- optical fiber
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Abstract
The utility model relates to technical field of optical fiber, especially a kind of reinforced fire-retarded fiber, including polyvinyl chloride layer, the polyvinyl chloride layer inner ring is equipped with multiple conducting wires, EPE layers are pasted on the outside of the polyvinyl chloride layer, the outer surface EPE layers of is pasted with Withstand voltage layer, and the Withstand voltage layer outer surface is pasted with insulating layer, the insulating layer outer surface is pasted with mineral fibres cotton layer, and mineral fibres cotton layer outside is pasted with the fire-retardant belt of mica.The utility model has the characteristics that play optical fiber fire-retardant, while when optical fiber is by high temperature, can still optical fiber be made to work normally, be transmitted.
Description
Technical field
The utility model relates to technical field of optical fiber more particularly to a kind of reinforced fire-retarded fibers.
Background technique
Optical fiber is writing a Chinese character in simplified form for optical fiber, is a kind of fiber made of glass or plastics, can be used as light conduction tool.It is existing
The fire retardancy of some optical fiber is poor, when by fire, can not be transmitted, although some optical fiber have fire-retardant ability,
Temperature is not completely cut off, the inside of optical fiber can be made because being damaged by high temperature, leading to optical fiber not can be carried out transmission, described
It is proposed that a kind of reinforced fire-retarded fiber.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and the one kind proposed is reinforced fire-retardant
Optical fiber.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of reinforced fire-retarded fiber, including polyvinyl chloride layer are designed, the polyvinyl chloride layer inner ring is equipped with multiple conducting wires,
EPE layers are pasted on the outside of the polyvinyl chloride layer, the outer surface EPE layers of is pasted with Withstand voltage layer, and the Withstand voltage layer outer surface is viscous
Insulating layer is posted, the insulating layer outer surface is pasted with mineral fibres cotton layer, and mineral fibres cotton layer outside is pasted with mica
Fire-retardant belt.
Preferably, state that the fire-retardant belt outer surface of mica is equidistant to be connected with multiple hard point.
Preferably, the medium position of the polyvinyl chloride layer is equipped with draught line, and the more conducting wires are wrapped on draught line,
And the outside of the more conducting wires is abutted against with polyvinyl chloride layer.
Preferably, the conducting wire includes leading core, and described lead is enclosed with polytetrafluoroethylene ethylene layer on the outside of core.
The utility model proposes a kind of reinforced fire-retarded fiber, beneficial effect is: being played by the fire-retardant belt of mica
Fire-retardant effect, insulating layer completely cut off temperature with mineral fibres cotton layer, can play the role of protection to inside of optical fibre, prevent
Only temperature is excessively high causes inside of optical fibre to damage, it is ensured that optical fiber can normally work, the design of Withstand voltage layer, enhance the anti-of optical fiber
Pressure energy power prevents optical fiber by external pressure, and occurs damaged, and EPE layer have and enhance the elastic force of optical fiber, be convenient for optical fiber into
Row bending.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of reinforced fire-retarded fiber structural schematic diagram.
In figure: the fire-retardant belt 1 of mica, conducting wire 2, mineral fibres cotton layer 3, hard point 4, polyvinyl chloride layer 5, polytetrafluoroethylene (PTFE)
Layer 6, Withstand voltage layer 8, EPE layer 9, draught line 10, leads core 11 at insulating layer 7.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1, a kind of reinforced fire-retarded fiber, including polyvinyl chloride layer 5, polyvinyl chloride layer 5 is by pvc material
It is made, plays the purpose of waterproof, 5 inner ring of polyvinyl chloride layer is equipped with multiple conducting wires 2, and conducting wire 2 includes leading core 11, and leading core 11 is by moulding
Fiber made of expecting, the outside for leading core 11 are enclosed with polytetrafluoroethylene ethylene layer 6, and polytetrafluoroethylene ethylene layer 6 is made of polytetrafluoroethylene (PTFE), has
Excellent chemical stability, corrosion resistance, sealing property, high lubrication, non-stickiness, electrical insulation and good anti-aging endurance, to leading
Core 11 plays the role of protection, while when molten fine, is also convenient for melting polytetrafluoroethylene ethylene layer 6 from peeling on core 11 is led
It is fine.
The medium position of polyvinyl chloride layer 5 is equipped with draught line 10, and draught line 10 is made of steel wire, is laid with to optical fiber
When, play the role of traction to optical fiber, multiple conducting wires 2 are wrapped on draught line 10, and the outside of multiple conducting wires 2 and polyvinyl chloride
Layer 5 abuts against, and by the way that conducting wire 2 to be wrapped on draught line 10, is conducive to the intensity for enhancing optical fiber, prevents from causing when being laid with
The fracture of optical fiber.
EPE layer 9 is pasted on the outside of polyvinyl chloride layer 5, EPE layer 9 is the generation of main material extruding, tool by low density polyethylene (LDPE)
There is higher elasticity, enhance the elastic force of optical fiber, convenient for being bent to optical fiber, 9 outer surface of EPE layer is pasted with Withstand voltage layer 8, resistance to
Pressurized layer 8 is made of polybutene material, has the characteristics that cold-resistant, heat-resisting, pressure-resistant, enhances the anti-pressure ability of optical fiber, prevents optical fiber
When by ambient pressure, caused by breakage, 8 outer surface of Withstand voltage layer is pasted with insulating layer 7, and insulating layer 7 is made of glass fibre,
Play the role of isolation to temperature, 7 outer surface of insulating layer is pasted with mineral fibres cotton layer 3, and mineral fibres cotton layer 3 is by all kinds of mineral
Raw material through melting, at fine and with manufactured cotton-like fiber after different organic and inorganic reagents surface treatments, there is the work of insulation
With 3 outside of mineral fibres cotton layer is pasted with the fire-retardant belt 1 of mica, and the fire-retardant belt 1 of mica is made of raw material of mica, has
Excellent high temperature resistance and flame resistance energy, fire-retardant 1 outer surface of belt of mica is equidistant to be connected with multiple hard point 4, reinforces
Point 4 is made of rubber material, and the fire-retardant belt 1 of mica plays fire-retardant effect, while mineral fibres cotton 3 pairs of temperature of layer carry out tentatively
Isolation, then secondary temperature isolation is carried out to temperature by insulating layer 7, the excessively high damage for causing inside of optical fibre of temperature is prevented, in optical fiber
When by high temperature, it can still work normally, be transmitted, the design of hard point 4 enhances the frictional force of optical fiber, when convenient for construction
Optical fiber is held.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (4)
1. a kind of reinforced fire-retarded fiber, including polyvinyl chloride layer (5), polyvinyl chloride layer (5) inner ring is equipped with multiple conducting wires
(2), which is characterized in that be pasted with EPE layers (9) on the outside of the polyvinyl chloride layer (5), EPE layers described (9) outer surface is pasted with resistance to
Pressurized layer (8), Withstand voltage layer (8) outer surface are pasted with insulating layer (7), and insulating layer (7) outer surface is pasted with mineral fibres
Cotton layer (3), mineral fibres cotton layer (3) outside are pasted with the fire-retardant belt of mica (1).
2. a kind of reinforced fire-retarded fiber according to claim 1, which is characterized in that the fire-retardant belt of mica (1) is outside
Surface is equidistant to be connected with multiple hard point (4).
3. a kind of reinforced fire-retarded fiber according to claim 1, which is characterized in that in the polyvinyl chloride layer (5)
Position has installed draught line (10), and the more conducting wires (2) are wrapped on draught line (10), and more conducting wires (2) is outer
Side is abutted against with polyvinyl chloride layer (5).
4. a kind of reinforced fire-retarded fiber according to claim 1, which is characterized in that the conducting wire (2) includes leading core
(11), described lead is enclosed with polytetrafluoroethylene ethylene layer (6) on the outside of core (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821409671.3U CN208654393U (en) | 2018-08-30 | 2018-08-30 | A kind of reinforced fire-retarded fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821409671.3U CN208654393U (en) | 2018-08-30 | 2018-08-30 | A kind of reinforced fire-retarded fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208654393U true CN208654393U (en) | 2019-03-26 |
Family
ID=65792125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821409671.3U Expired - Fee Related CN208654393U (en) | 2018-08-30 | 2018-08-30 | A kind of reinforced fire-retarded fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208654393U (en) |
-
2018
- 2018-08-30 CN CN201821409671.3U patent/CN208654393U/en not_active Expired - Fee Related
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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: 20190326 Termination date: 20190830 |