CN207381124U - A kind of flame-retardant copper core PVC-insulated cable - Google Patents
A kind of flame-retardant copper core PVC-insulated cable Download PDFInfo
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- CN207381124U CN207381124U CN201721404949.3U CN201721404949U CN207381124U CN 207381124 U CN207381124 U CN 207381124U CN 201721404949 U CN201721404949 U CN 201721404949U CN 207381124 U CN207381124 U CN 207381124U
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- flame
- layer
- retardant
- copper core
- insulation
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Abstract
The utility model belongs to insulated cable technical field, more particularly to a kind of flame-retardant copper core PVC-insulated cable, including more copper cores, lapping layer, flame-retardant layer, inner sheath, armor and oversheath, the cable of the utility model is equipped with more copper cores and insulation framework, insulation framework is the symmetrical chiasma composition for thoroughly doing away with edge strip more, every copper core is separated by insulation framework in different regions, makes the insulating properties between copper core more preferable；The insulation strip of insulating layer and both sides is tangent, and is both provided with water-blocking component between insulating layer and the insulation strip of both sides, makes it have the performance to block water, and water-blocking component and insulating layer and insulation strip are tangent, make it more compact when being wound by lapping layer, stability higher；The outside of lapping layer is coated with flame-retardant layer, inner sheath, armor and oversheath successively, and protection layer by layer can be formed to the core inside lapping layer；Flame-retardant layer includes two layers, is internally provided with shielded layer, avoids disturbing, and shielded layer is protected.
Description
Technical field
The utility model belongs to insulated cable technical field, and in particular to a kind of flame-retardant copper core polyvinyl chloride insulation electricity
Cable.
Background technology
Constantly progress in terms of with modern architecture, information, transportation condition, the line that cable is transferred as power Transmission, information
Road, more and more important to our life, the cable in building is countless, the safety transferred as skyscraper and information
Property consider, the fire resistant flame retardant of cable is more and more important, and the flame retardant property of common cable is poor, hardly resistant against high temperatures and fire
The use environments such as flame, duration of fire resistance fall short of, and influence use of the cable under the conditions of continuous high temperature, and some cables are for a long time outside
It is used in boundary, solarization high temperature causes aging, and the water resistance of cable is bad, influences to use after meeting rainwater；In addition, some cables exist
The phenomenon that circuit being caused mixed and disorderly when use is inconvenient to replace in the process or more identical cables are used together.
Utility model content
The utility model provides a kind of flame-retardant copper core PVC-insulated cable simple in structure, has water proofing property
Can, and with good stability.
In order to solve the above-mentioned technical problem, the utility model provides a kind of flame-retardant copper core polyvinyl chloride insulation electricity
Cable including more copper cores, lapping layer, flame-retardant layer, inner sheath, armor and oversheath, further includes water-blocking component and insulation framework,
The insulation framework includes several eradication edge strips, and one end of the insulation strip is symmetrically fixed together, the more copper cores
Separated by insulation framework in different regions, water-blocking component, institute are both provided between the copper core and the insulation strip of both sides
The outer layer for stating copper core is coated with insulating layer, and the outside of the more copper cores and insulation framework is coated with lapping layer, described
The outside of lapping layer is coated with flame-retardant layer, inner sheath, armor and oversheath successively, the flame-retardant layer include the first flame-retardant layer and
The second flame-retardant layer being coated on outside the first flame-retardant layer is additionally provided with shielded layer between first flame-retardant layer and the second flame-retardant layer.
Preferably, the copper core is four, the cross friendship type that the insulation framework thoroughly does away with edge strip composition for four.
Preferably, it is additionally provided with flame retardant coating between the copper core and insulating layer.
Preferably, the insulating layer of the copper core and the insulation strip of both sides are tangent, the insulating layer and insulation framework
Reinforcer is equipped between crossover location.
The utility model additionally provides another flame-retardant copper core PVC-insulated cable, by two above-mentioned cable groups
Into being connected between described two cables by connecting portion.
Preferably, the connecting portion is provided with several through holes along in cable axial direction.
Advantageous effect：
The construction of cable of the utility model is simple, and equipped with more copper cores and insulation framework, every copper core passes through insulation
Skeleton separates in different regions, makes the insulating properties between copper core more preferable；The insulation strip of insulating layer and both sides is tangent, and absolutely
Water-blocking component is both provided between edge layer and the insulation strip of both sides, makes it have the performance to block water, water-blocking component and insulating layer and insulation
Item is tangent, makes it more compact when being wound by lapping layer, stability higher；The outside of lapping layer is coated with flame-retardant layer, interior shield successively
Set, armor and oversheath can form the core inside lapping layer protection layer by layer；Flame-retardant layer includes two layers, and inside is set
There is shielded layer, avoid disturbing, and shielded layer is protected.
Flame retardant coating is additionally provided between copper core and insulating layer, copper core is allow to work under the high temperature conditions for a long time；
Reinforcer is equipped between insulating layer and the crossover location of insulation framework, reinforcer is tangent with insulating layer and insulation framework respectively, makes
The mechanical property of cable is guaranteed；By connecting portion by above-mentioned identical two piece cable connection, its is made to form another kind side
Just replace or make the cable distribution being used together cleaner and tidier, several through holes is provided on connecting portion, separation makes to facilitate cable
It is cut open from centre.
Description of the drawings
Fig. 1 is the structure diagram of the utility model exemplary fiber optic cable one；
Fig. 2 is the structure diagram of the utility model exemplary fiber optic cable two；
Fig. 3 is the schematic top plan view of cable in embodiment two；
Attached drawing marks：1- copper cores, 2- flame retardant coatings, 3- insulating layers, 4- water-blocking components, 5- reinforcers, 6- insulation frameworks, 61-
Insulation strip, 7- lapping layers, the first flame-retardant layers of 8-, 9- shielded layers, the second flame-retardant layers of 10-, 11- inner sheaths, 12- armors, outside 13-
Sheath, 14- connecting portions, 141- through holes.
Specific embodiment
The embodiment of the utility model is further illustrated below in conjunction with the accompanying drawings.
Embodiment one：
A kind of flame-retardant copper core PVC-insulated cable as shown in Figure 1, including more copper cores 1, lapping layer 7,
Flame-retardant layer, inner sheath 11, armor 12 and oversheath 13, further include water-blocking component 4 and insulation framework 6, and the insulation framework 6 includes
Several eradication edge strips 61, one end of the insulation strip 61 are symmetrically fixed together, can be by integral forming process system
Standby, the more copper cores 1 are separated by insulation framework 6 in different regions, the copper core 1 and the insulation strip 61 of both sides
Between be both provided with water-blocking component 4, the water-blocking component 4 is tangent with insulation strip 61 and insulating layer 3 respectively, the outer layer of the copper core 1
Be coated with insulating layer 3, the outside of the more copper cores 1 and insulation framework 6 is coated with lapping layer 7, the lapping layer 7 it is outer
Portion is coated with flame-retardant layer, inner sheath 11, armor 12 and oversheath 13 successively, and the flame-retardant layer includes the first flame-retardant layer 8 and bag
The second flame-retardant layer 10 outside the first flame-retardant layer 8 is overlayed on, shielding is additionally provided between 8 and second flame-retardant layer 10 of the first flame-retardant layer
Layer 9.
In the present embodiment, flame retardant coating 2 can be that Mica tape is made or fire-resistant silicon rubber, the material of water-blocking component 4 are
Water blocking yarn, the material of reinforcer 5 is aramid fiber；Insulation framework 6 is made of polyvinyl chloride, and shielded layer 9 can be wire sheathing
Or aluminum composite belt is made, the material of the first flame-retardant layer 8 and the second flame-retardant layer 10 can be low smoke halogen-free flame-retardant polyolefin class；Insulation
Polyvinyl chloride may be employed in layer 3, the material of oversheath 13；The copper core 1 is four, and the insulation framework 6 thoroughly does away with edge for four
Item 61 forms cross；Flame retardant coating 2 is additionally provided between the copper core 1 and insulating layer 3；The insulating layer 3 of the copper core 1
It is tangent with the insulation strip 61 of both sides, reinforcer 5, reinforcer 5 are equipped between the insulating layer 3 and the crossover location of insulation framework 6
It is tangent with the insulation strip 61 of insulating layer 3 and both sides respectively.In lapping layer 7, insulating layer 3 and waterproof case 4, insulation framework 6 and add
It is filled in gap between strong part 5 using polypropylene net band.
Embodiment two：
Another flame-retardant copper core PVC-insulated cable as shown in Figures 2 and 3, the cable in the present embodiment is by reality
Two cables composition in example 1 is applied, is connected between described two cables by connecting portion 14, the material of connecting portion can be poly-
Ethylene, the connecting portion 14 are provided with several through holes 141 along cable direction, and the separation of cable is facilitated to replace or make together
With.
Specific embodiment of the utility model is described in detail above, but it is intended only as example, and this practicality is new
Type is not restricted to above description specific embodiment.To those skilled in the art, it is any to the utility model carry out
It equivalent modifications and substitutes also all among the scope of the utility model.Therefore, the spirit and scope of the utility model are not being departed from
Lower made impartial conversion and modification, all cover in the scope of the utility model.
Claims (6)
1. a kind of flame-retardant copper core PVC-insulated cable, including more copper cores (1), lapping layer (7), flame-retardant layer, interior
Sheath (11), armor (12) and oversheath (13), it is characterised in that：Water-blocking component (4) and insulation framework (6) are further included, it is described
Insulation framework (6) includes several eradication edge strips (61), and one end of the insulation strip (61) is symmetrically fixed together, described more
Copper core (1) is separated by insulation framework (6) in different regions, the insulation strips (61) of the copper core (1) and both sides it
Between be both provided with water-blocking component (4), the outer layer of the copper core (1) is coated with insulating layer (3), the more copper cores (1) with
The outside of insulation framework (6) is coated with lapping layer (7), and the outside of the lapping layer (7) is coated with flame-retardant layer, inner sheath successively
(11), armor (12) and oversheath (13), the flame-retardant layer include the first flame-retardant layer (8) and are coated on the first flame-retardant layer (8)
External the second flame-retardant layer (10), shielded layer (9) is additionally provided between first flame-retardant layer (8) and the second flame-retardant layer (10).
2. a kind of flame-retardant copper core PVC-insulated cable as described in claim 1, it is characterised in that：The copper core
(1) it is four, the insulation framework (6) thoroughly does away with the cross of edge strip (61) composition for four.
3. a kind of flame-retardant copper core PVC-insulated cable as claimed in claim 2, it is characterised in that：The copper core
(1) flame retardant coating (2) is additionally provided between insulating layer (3).
4. a kind of flame-retardant copper core PVC-insulated cable as claimed in claim 3, it is characterised in that：The copper core
(1) insulating layer (3) and the insulation strip (61) of both sides are tangent, between the insulating layer (3) and the crossover location of insulation framework (6)
Equipped with reinforcer (5).
5. a kind of flame-retardant copper core PVC-insulated cable, it is characterised in that：By two Claims 1-4 any one
The cable composition, is connected between two cables by connecting portion (14).
6. a kind of flame-retardant copper core PVC-insulated cable as claimed in claim 5, it is characterised in that：The connecting portion
(14) several through holes (141) are provided with along in cable axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721404949.3U CN207381124U (en) | 2017-10-27 | 2017-10-27 | A kind of flame-retardant copper core PVC-insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721404949.3U CN207381124U (en) | 2017-10-27 | 2017-10-27 | A kind of flame-retardant copper core PVC-insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207381124U true CN207381124U (en) | 2018-05-18 |
Family
ID=62336828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721404949.3U Expired - Fee Related CN207381124U (en) | 2017-10-27 | 2017-10-27 | A kind of flame-retardant copper core PVC-insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207381124U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110281791A (en) * | 2019-05-14 | 2019-09-27 | 扬州曙光电缆股份有限公司 | New-energy automobile high-performance special charging cable |
-
2017
- 2017-10-27 CN CN201721404949.3U patent/CN207381124U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110281791A (en) * | 2019-05-14 | 2019-09-27 | 扬州曙光电缆股份有限公司 | New-energy automobile high-performance special charging cable |
| CN110281791B (en) * | 2019-05-14 | 2023-11-10 | 扬州秦恺信息科技有限公司 | High-performance special charging cable for new energy automobile |
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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: 20180518 Termination date: 20191027 |