CN209433924U - A kind of novel fireproof flame-retardant cable - Google Patents
A kind of novel fireproof flame-retardant cable Download PDFInfo
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- CN209433924U CN209433924U CN201920385485.9U CN201920385485U CN209433924U CN 209433924 U CN209433924 U CN 209433924U CN 201920385485 U CN201920385485 U CN 201920385485U CN 209433924 U CN209433924 U CN 209433924U
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Abstract
The utility model discloses a kind of novel fireproof flame-retardant cables, including by successively including cable conductor, belting layer, insulating layer and restrictive coating except interior, belting layer is wrapped or longitudinal wrap is on cable core, the belting layer includes grid band and the fire resistant flame retardant layer that is arranged in outside grid band, fire resistant flame retardant layer is overlayed on grid band by fire resistant flame retardant mash and is constituted, the fire resistant flame retardant layer with a thickness of 1mm~5mm；The defects of the utility model can will improve the stability of flame-retardant layer shape, reduce flame-retardant layer differentiation or missing odds, meanwhile, by belting layer together with flame-retardant layer integrated fusion, cable line footpath is reduced, and then reduce installation footprint and transport difficulty.
Description
Technical field
The utility model relates to fire-proof insulation field of cable technology more particularly to a kind of novel fireproof flame-retardant cables.
Background technique
Currently, fireproof cable, flame retardant cable, which have been widely used, extrudes the process that fire protection flame retarding mud constitutes flame-retardant layer,
Such process has the characteristics that fire-retardant active principle content is high, fire retardant effect is good, low-smoke non-halogen flame-retardant, still, this
Numerous disadvantages such as that kind of process lacks that there are fire protection flame retarding mud layers is in uneven thickness, extrusion process is not easy to control, and due to fire prevention
Fire-retardant mud cannot be plasticized, and problem on deformation is also easy to produce in subsequent handling, therefore, be generally required in extrusion molding flame-retardant layer by means of squeezing
Skeleton processed is used to support fire-retardant mud, and not only program is cumbersome, and the flame-retardant layer structure produced is built on the sand, keeps finished cable fire-retardant
Mud easy powdery during installation so that fire protection flame retarding mud layer be caused the problem of localized loss occur influences cable
Whole fireproof flame-retardant effect, or even be difficult to through fire resisting and fire retardancy test.
Utility model content
The purpose of the utility model is to provide a kind of novel fireproof flame-retardant cables, can will improve the firm of flame-retardant layer shape
Property, odds the defects of flame-retardant layer breaks up or lacks is reduced, meanwhile, by belting layer together with flame-retardant layer integrated fusion,
Cable line footpath is reduced, and then reduces installation footprint and transport difficulty.
The technical solution adopted in the utility model are as follows:
A kind of novel fireproof flame-retardant cable, by successively including cable conductor, belting layer, insulating layer and restrictive coating except interior,
Belting layer is wrapped or longitudinal wrap is on cable core, and the belting layer includes grid band and the fire resistant flame retardant that is arranged in outside grid band
Layer, fire resistant flame retardant layer overlays on grid band by fire resistant flame retardant mash and constituted, the fire resistant flame retardant layer with a thickness of 1mm~5mm.
Further, the grid band both side surface is coated with fire resistant flame retardant layer.
Further, the grid band uses fiberglass gridding cloth.
Further, the density mesh of the fiberglass gridding cloth is 2 mesh to 35 mesh.
Further, low-smoke halogen-free flame-resistant polyolefin oxygen barrier is additionally provided between the belting layer and insulating layer
The utility model has the following beneficial effects:
(1) pass through the fire-retardant mud composition fire resistant flame retardant layer of coating refractory, the volume for not including merely with grid outside grid band
Structure raising is knitted to the adhesive force of fire-retardant mud, improves fire resistant flame retardant layer structural soundness, the dusting of later period fire resistant flame retardant layer is reduced, lacks
The occurrence probability of mistake guarantees cable quality, simultaneously as the design feature that grid band is mutually merged with fire resistant flame retardant layer, has
Effect reduces cable diameter, reduces space requirement required when installation, easily facilitates installation, and due to overall volume reduction and
The transportation cost and transport difficulty of cable are reduced indirectly；
(2) by being coated with fire resistant flame retardant layer in grid band both side surface, the equal of belting layer is further increased
Even property and structural stability, and then being capable of the more stable fire retardant performance for reliably ensureing cable.
Detailed description of the invention
Fig. 1 is the sectional view of the utility model；
Fig. 2 is the expanded schematic diagram of belting layer in Fig. 1, and wherein fire resistant flame retardant layer is locally broken away.
Description of symbols:
1, cable conductor；2, grid band；3, fire resistant flame retardant layer；4, low-smoke halogen-free flame-resistant polyolefin oxygen barrier；5, it insulate
Layer；6, restrictive coating.
Specific embodiment
The utility model by successively including cable conductor 1, belting layer, insulating layer 5 and restrictive coating 6 except interior, belting layer around
On cable core 1, belting layer includes grid band 2 and the fire resistant flame retardant layer 3 that is arranged in outside grid band 2 for packet or longitudinal wrap, fire resisting resistance
Combustion layer 3 is overlayed on grid band 2 by fire resistant flame retardant mash and is constituted, fire resistant flame retardant layer 3 with a thickness of 1mm~5mm.
The utility model in order to better understand with reference to the accompanying drawing does furtherly the technical solution of the utility model
It is bright.
As shown in Figure 1, the utility model includes by successively including cable conductor 1, belting layer, low-smoke non-halogen flame-retardant except interior
Polyolefin oxygen barrier 4, insulating layer 5 and restrictive coating 6, belting layer is wrapped or longitudinal wrap is on cable core 1.
As shown in Fig. 2, belting layer includes grid band 2 and the fire resistant flame retardant layer 3 that is arranged in outside grid band 2, grid packet
2 both side surface of band is coated with fire resistant flame retardant layer 3, and grid band 2 is preferably using the glass with good fire protecting performance and suppleness
Glass fibrous mesh cloth, fire resistant flame retardant layer 3 are filled in 2 grid of grid band by fire resistant flame retardant mud and are coated on grid band 2
It constitutes, 3 thickness of fire resistant flame retardant layer of 2 both side surface of grid band is 1mm~5mm, preferably 2mm, in order to guarantee
The shielding barrier action of belting layer, and can guarantee intensity, adhesive force and the structural stability of fire resistant flame retardant layer 3, glass fibre
The density mesh of grid cloth is 2 mesh to 35 mesh.
The utility model is by constituting fire resistant flame retardant layer 3 in the fire-retardant mud of the outer coating refractory of grid band 2, not merely with grid
Including braiding structure improve to the adhesive force of fire-retardant mud, improve 3 structural soundness of fire resistant flame retardant layer, reduce later period fire resistant flame retardant
Layer 3 dusting, missing occurrence probability, guarantee cable quality, simultaneously as what grid band 2 was mutually merged with fire resistant flame retardant layer 3
Design feature effectively reduces cable diameter, reduces space requirement required when installation, easily facilitates installation, and due to whole
Body volume reduces and reduces indirectly the transportation cost and transport difficulty of cable.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that,
It can still modify to technical solution documented by previous embodiment, or to some or all of the technical features
It is equivalently replaced, and these are modified or replaceed, the utility model embodiment that it does not separate the essence of the corresponding technical solution
The range of technical solution.
Claims (5)
1. a kind of novel fireproof flame-retardant cable, by successively including cable conductor, belting layer, insulating layer and restrictive coating, packet except interior
Belt is wrapped or longitudinal wrap is on cable core, it is characterised in that: the belting layer includes grid band and is arranged in outside grid band
Fire resistant flame retardant layer, fire resistant flame retardant layer are overlayed on grid band by fire resistant flame retardant mash and are constituted, the fire resistant flame retardant layer with a thickness of
1mm~5mm.
2. novel fireproof flame-retardant cable according to claim 1, it is characterised in that: the grid band both side surface applies
It is covered with fire resistant flame retardant layer.
3. novel fireproof flame-retardant cable according to claim 2, it is characterised in that: the grid band uses glass fibre
Grid cloth.
4. novel fireproof flame-retardant cable according to claim 3, it is characterised in that: the density of the fiberglass gridding cloth
Mesh is 2 mesh to 35 mesh.
5. novel fireproof flame-retardant cable according to claim 2, it is characterised in that: between the belting layer and insulating layer also
Equipped with low-smoke halogen-free flame-resistant polyolefin oxygen barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920385485.9U CN209433924U (en) | 2019-03-26 | 2019-03-26 | A kind of novel fireproof flame-retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920385485.9U CN209433924U (en) | 2019-03-26 | 2019-03-26 | A kind of novel fireproof flame-retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209433924U true CN209433924U (en) | 2019-09-24 |
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ID=67978796
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920385485.9U Active CN209433924U (en) | 2019-03-26 | 2019-03-26 | A kind of novel fireproof flame-retardant cable |
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| CN (1) | CN209433924U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112635117A (en) * | 2020-12-08 | 2021-04-09 | 建业电缆集团有限公司 | Novel fire-blocking wrapping tape for manufacturing fire-blocking layer of fireproof cable and preparation method |
-
2019
- 2019-03-26 CN CN201920385485.9U patent/CN209433924U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112635117A (en) * | 2020-12-08 | 2021-04-09 | 建业电缆集团有限公司 | Novel fire-blocking wrapping tape for manufacturing fire-blocking layer of fireproof cable and preparation method |
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