CN201886822U - Flexible flame-retardant cable - Google Patents
Flexible flame-retardant cable Download PDFInfo
- Publication number
- CN201886822U CN201886822U CN2010205169494U CN201020516949U CN201886822U CN 201886822 U CN201886822 U CN 201886822U CN 2010205169494 U CN2010205169494 U CN 2010205169494U CN 201020516949 U CN201020516949 U CN 201020516949U CN 201886822 U CN201886822 U CN 201886822U
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- CN
- China
- Prior art keywords
- cable
- flame
- core
- retardant
- copper conductor
- 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
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Abstract
The utility model discloses a flexible flame-retardant cable, wherein, wire cores are arranged inside the cable; each wire core comprises a copper conductor in the center and a high-density flame-retardant polythene insulation layer or a polytetrafluoroethylene insulation layer extruded outside the copper conductor; a plurality of the wire cores are enwound so as to form cable cores; glass fiber ropes are filled among the cable cores; and a belt, an inner protecting layer made of polyurethane elastomers and a flame-retardant polyurethane elastomer sheath are sequentially arranged outside the cable cores. The flexible flame-retardant cable has wider application range, and can be especially used in cold places (the limiting temperature is 40 degrees below zero) satisfying the needs of both frequent distortions and larger environmental temperature difference.
Description
Technical field
The utility model relates to a kind of cable, is a kind of low temperature resistant, wear-resistant, corrosion-resistant, flame-retardant flexible cable specifically, belongs to field of electrical equipment.
Background technology
Cable is in the dispensing process, most of reel of folding and unfolding disc type that adopts carries out folding and unfolding to cable, consider the yard influence of operational environment in one's power again, may run into as uncertain environment factor such as mechanical collision, low temperature cold current, acid and alkali corrosion, greasy dirt through regular meeting influences normal use, this just require cable this back and forth continually volume scratch the continuous core of the conductor of cable in the process, insulation not damaged, do not play cage and encircle and sheath; Thereby make cable security, reliability service, and require cable durable in use.And existing rubber insulation and jacketed cable disconnected core, cable core in use often occur and rise and turn round and faults such as sheath is wrinkling.
The utility model content
Technical problem to be solved in the utility model provides a kind of low temperature resistant, wear-resistant, corrosion-resistant, flame-retardant flexible cable.
Flame-retardant flexible cable described in the utility model has two kinds of schemes, a kind of scheme is: flame-retardant flexible cable, this cable inside is core, described core is made of the copper conductor at center and the high-density flame-proof polyethylene layer that extrudes outside copper conductor or teflon insulation layer, some this cores are wound in cable core, fill with glass cord between cable core, outside cable core, set gradually band, polyurethane elastomer sheath and flame resistance polyurethane elastomer sheathing.
Another kind of scheme is: flame-retardant flexible cable, its inside is core, described core is made of the copper conductor at center and the high-density flame-proof polyethylene layer that extrudes outside copper conductor or teflon insulation layer, sets gradually band, polyurethane elastomer sheath and flame resistance polyurethane elastomer sheathing outside cable core.
Above-mentioned copper conductor is preferably soft round copper stranded conductor.Above-mentioned band is preferably glass fiber tape.
Cable core copper conductor described in the utility model is the 5th a kind of soft round copper stranded conductor; Insulating barrier is high-density flame-proof polyethylene (HDPE) or polytetrafluoroethylene (PTFE) insulation, has very broad serviceability temperature and has fire retardant characteristics.Stranding adopts glass fiber tape with twining package tape, and fill with glass cord in the gap between cable core, and extrudes one deck sheath earlier with polyurethane elastomer when protecting outside, extrudes flame resistance polyurethane elastomer sheathing at last.The utility model is that with the fundamental difference of existing flame retardant cable employed insulation and sheath material are different fully, therefore the utility model is except that answering the performance of having common flame retardant cable, still possess under extremely cold low temperature (40 ℃) condition and normally use, and withstand voltage, wear-resisting, corrosion-resistant, fire-retardant, and keep softness characteristics.
Description of drawings
Fig. 1 is the schematic diagram of the multi-thread cored structure of the utility model,
Fig. 2 is the schematic diagram of the utility model single line cored structure.
Embodiment
As shown in Figure 1, a kind of low temperature resistant, wear-resistant, corrosion-resistant, flame-retardant flexible cable described in the utility model, its inside is core, this core is made of the copper conductor 1 at center and the high-density flame-proof polyethylene layer that extrudes outside copper conductor or teflon insulation layer 2, and copper conductor 1 is soft round copper stranded conductor.Some this cores are wound in cable core, fill with glass cord between cable core.Wrapped glass fiber tape extrudes polyurethane elastomer as sheath 4 as band 3 outside cable core, extrudes flame resistance polyurethane elastomer at last as oversheath 5.Fig. 2 is the schematic diagram of single line cored structure, and the difference of itself and Fig. 1 is that its core is single core, and does not adopt band 3.
The utility model provides a kind of thinking and implementation method of flame-retardant flexible cable; concrete application approach is a lot; the above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also make some improvement, these improvement also should be considered as protection range of the present utility model.
Claims (2)
1. flame-retardant flexible cable, it is characterized in that this cable inside is core, described core is by the copper conductor (1) at center and high-density flame-proof polyethylene layer that extrudes outside copper conductor (1) or teflon insulation layer (2) formation, some this cores are wound in cable core, fill with glass cord between cable core, outside cable core, set gradually band (3), polyurethane elastomer sheath (4) and flame resistance polyurethane elastomer sheathing (5).
2. flame-retardant flexible cable, it is characterized in that this cable inside is core, described core sets gradually band (3), polyurethane elastomer sheath (4) and flame resistance polyurethane elastomer sheathing (5) by the copper conductor (1) at center and high-density flame-proof polyethylene layer that extrudes or teflon insulation layer (2) formation outside cable core outside copper conductor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205169494U CN201886822U (en) | 2010-09-03 | 2010-09-03 | Flexible flame-retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205169494U CN201886822U (en) | 2010-09-03 | 2010-09-03 | Flexible flame-retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201886822U true CN201886822U (en) | 2011-06-29 |
Family
ID=44184370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205169494U Expired - Fee Related CN201886822U (en) | 2010-09-03 | 2010-09-03 | Flexible flame-retardant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201886822U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108948728A (en) * | 2018-07-02 | 2018-12-07 | 安徽坤和电气有限公司 | The preparation method of flame retardant cable |
-
2010
- 2010-09-03 CN CN2010205169494U patent/CN201886822U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108948728A (en) * | 2018-07-02 | 2018-12-07 | 安徽坤和电气有限公司 | The preparation method of flame retardant cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20140903 |
|
| EXPY | Termination of patent right or utility model |