CN216749344U - High-elasticity wear-resistant non-shielding low-smoke halogen-free flame-retardant twisted-pair cable - Google Patents
High-elasticity wear-resistant non-shielding low-smoke halogen-free flame-retardant twisted-pair cable Download PDFInfo
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- CN216749344U CN216749344U CN202220154321.7U CN202220154321U CN216749344U CN 216749344 U CN216749344 U CN 216749344U CN 202220154321 U CN202220154321 U CN 202220154321U CN 216749344 U CN216749344 U CN 216749344U
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Abstract
The utility model discloses a high-elasticity wear-resistant non-shielding low-smoke halogen-free flame-retardant twisted-pair cable, relates to the technical field of twisted-pair cables, and aims to solve the problems that a common non-shielding low-smoke halogen-free flame-retardant twisted-pair cable in the prior art is insufficient in elasticity and not easy to deform and recover. The utility model discloses a structure of building, including insulating shell wearing layer, measuring strip, insulating inner shell, insulating shell wearing layer, measuring strip and insulating shell wearing layer, the inside of insulating shell wearing layer is provided with insulating inner shell, and insulating inner shell and the laminating of insulating shell wearing layer, be provided with the spiral strip between insulating inner shell and the insulating shell wearing layer, insulating inner shell and insulating shell wearing layer all laminate with the spiral strip, the outside of insulating shell wearing layer sets up the measuring strip, and the measuring strip sets up structure as an organic whole with the insulating shell wearing layer, the outside of insulating shell wearing layer is provided with the phosphor strip, and phosphor strip and insulating shell wearing layer set up structure as an organic whole.
Description
Technical Field
The utility model relates to the technical field of twisted-pair cables, in particular to a high-elasticity wear-resistant non-shielding low-smoke halogen-free flame-retardant twisted-pair cable.
Background
The twisted pair is a transmission medium most commonly used in the comprehensive wiring engineering, and is composed of two copper conductors with insulation protection layers, the two insulated copper conductors are twisted together according to a certain density, the electric wave radiated from each conductor in transmission can be counteracted by the electric wave sent from the other conductor, so as to effectively reduce the degree of signal interference, the twisted pair is generally formed by mutually winding two 22-26 # insulated copper conductors, and the name of "twisted pair" is also the name thereof, when in actual use, the twisted pair is wrapped in an insulated cable sleeve by a plurality of twisted pairs, if one or more twisted pairs are placed in an insulated sleeve, the twisted pair cable becomes the twisted pair cable, but the "twisted pair cable" is generally directly called as the "twisted pair" in daily life.
However, the ordinary twisted-pair cable resists bending on materials, and the structure does not provide an elastic function for the cable, so that the cable is not easy to recover after being bent; therefore, the market urgently needs to develop a non-shielding low-smoke halogen-free flame-retardant twisted-pair cable with high elasticity and wear resistance to help people solve the existing problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-elasticity and wear-resistant non-shielding low-smoke halogen-free flame-retardant twisted-pair cable, and aims to solve the problems that the common non-shielding low-smoke halogen-free flame-retardant twisted-pair cable provided in the background art is not enough in elasticity and is not easy to deform and recover.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a fire-retardant twisted pair cable of high elasticity and wear-resisting non-shielding low smoke and zero halogen, includes the insulating casing wearing layer, the inside of insulating casing wearing layer is provided with insulating inner shell, and laminating of insulating inner shell and insulating casing wearing layer, be provided with the spiral strip between insulating inner shell and the insulating casing wearing layer, insulating inner shell and insulating casing wearing layer all laminate with the spiral strip.
Preferably, the outer side of the wear-resistant layer of the insulating shell is provided with a metering strip, and the metering strip and the wear-resistant layer of the insulating shell are arranged into an integral structure.
Preferably, the outer side of the wear-resistant layer of the insulating shell is provided with a fluorescent strip, and the fluorescent strip and the wear-resistant layer of the insulating shell are arranged into an integral structure.
Preferably, the inboard of insulating inner shell is provided with insulating layer, and insulating layer and the laminating of insulating inner shell, insulating layer's inboard is provided with non-woven fabrics fastening layer, and non-woven fabrics fastening layer and the laminating of insulating layer.
Preferably, the inboard of non-woven fabrics fastening layer is provided with protective sheath in the PE, and in the PE protective sheath and the laminating of non-woven fabrics fastening layer, the inboard of protective sheath is provided with halogen-free flame retardant insulation layer in the PE, and the laminating of protective sheath in halogen-free flame retardant insulation layer and the PE.
Preferably, an H-shaped support is arranged inside the halogen-free flame-retardant heat insulation layer and is attached to the halogen-free flame-retardant heat insulation layer, a twisted pair is arranged inside the halogen-free flame-retardant heat insulation layer and is attached to the halogen-free flame-retardant heat insulation layer.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model discloses a through the setting of spiral strip, the spiral strip is built-in between insulating casing wearing layer and insulating inner shell, appears crooked back at whole twisted pair cable, and the spiral strip can make the crooked back of twisted pair cable kick-back like the spring because of the characteristic that itself has the resilience, improves twisted pair cable's elasticity for twisted pair cable is difficult to by crooked folding deformation, thereby improves twisted pair cable's result of use, improves twisted pair cable's quality.
2. The utility model discloses a setting through H type support is built-in at the fire-retardant insulating layer of nothing halogen, wraps up the twisted pair, for the twisted pair provides holding power for the twisted pair is difficult to the rupture when crooked, thereby improves whole twisted pair cable's structural stability, makes this twisted pair cable use more relieved.
Drawings
Fig. 1 is a front view of a high elasticity and abrasion resistant unshielded low smoke zero halogen flame retardant twisted pair cable of the present invention;
FIG. 2 is a front cross-sectional view of a high elasticity and abrasion resistant unshielded low smoke zero halogen flame retardant twisted pair cable in accordance with the present invention;
fig. 3 is a side cross-sectional view of a non-shielded low smoke zero halogen flame retardant twisted pair cable of the present invention with high elasticity and abrasion resistance.
In the figure: 1. an insulating housing wear layer; 2. a metering strip; 3. a fluorescent strip; 4. a twisted pair; 5. an insulating inner case; 6. a helical strip; 7. an insulating and heat-insulating layer; 8. a nonwoven fabric fastening layer; 9. a PE inner protective sleeve; 10. a halogen-free flame-retardant heat-insulating layer; 11. an H-shaped bracket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, an embodiment of the present invention is shown: the utility model provides a fire-retardant twisted pair cable of high elasticity and wear-resisting non-shielding low smoke and zero halogen, includes insulating outer shell wearing layer 1, and the inside of insulating outer shell wearing layer 1 is provided with insulating inner shell 5, and laminating of insulating inner shell 5 and insulating outer shell wearing layer 1 is provided with spiral strip 6 between insulating inner shell 5 and the insulating outer shell wearing layer 1, insulating inner shell 5 and insulating outer shell wearing layer 1 all laminate with spiral strip 6.
Further, the outside of insulating casing wearing layer 1 sets up measures strip 2, and measures strip 2 and insulating casing wearing layer 1 and set up to a body structure, measures strip 2 and can set up a plurality ofly, and the interval between per two measures strip 2 is the same, can conveniently tailor and measure twisted pair cable like this.
Further, the outside of insulating casing wearing layer 1 is provided with phosphor strip 3, and phosphor strip 3 sets up structure as an organic whole with insulating casing wearing layer 1, and phosphor strip 3 can reflect light, and when twisted pair cable predetermine in dark place, perhaps store when dark place, can find fast through the reflection of light of phosphor strip 3.
Further, the inboard of insulating inner shell 5 is provided with insulating and insulating layer 7, and insulating layer 7 and the laminating of insulating inner shell 5, and insulating layer 7's inboard is provided with non-woven fabrics fastening layer 8, and non-woven fabrics fastening layer 8 and the laminating of insulating and insulating layer 7, and insulating layer 7 can carry out effectual completely cut off to the heat that produces when twisted-pair 4 carries electric power.
Further, the inboard of non-woven fabrics fastening layer 8 is provided with in PE protective sheath 9, and in PE protective sheath 9 and the laminating of non-woven fabrics fastening layer 8, the inboard of protective sheath 9 is provided with halogen-free flame retardant insulating layer 10 in the PE, and the laminating of protective sheath 9 in halogen-free flame retardant insulating layer 10 and the PE, and halogen-free flame retardant insulating layer 10 can be effectual thermal-insulated to play fire-retardant effect.
Further, an H-shaped bracket 11 is arranged inside the halogen-free flame-retardant heat-insulating layer 10, the H-shaped bracket 11 is attached to the halogen-free flame-retardant heat-insulating layer 10, a twisted pair 4 is arranged inside the halogen-free flame-retardant heat-insulating layer 10, and the twisted pair 4 is attached to the halogen-free flame-retardant heat-insulating layer 10.
The working principle is as follows: when the double-twisted cable bending device is used, the whole double-twisted cable can be cut into the required length according to the use requirement through the arrangement of the metering strip 2, the length measurement of the double-twisted cable is convenient, meanwhile, the double-twisted cable is easier to find through the fluorescent strip 3, when the double-twisted cable is bent, the spiral strip 6 can also provide resilience force, the bent double-twisted cable can be effectively restored to the original shape, the halogen-free flame-retardant heat-insulating layer 10 is in direct contact with the double-twisted pair 4, the high temperature generated when the double-twisted pair 4 transmits power is isolated through the halogen-free flame-retardant heat-insulating layer 10, the H-shaped bracket 11 can also support the double-twisted pair 4, the PE inner protective sleeve 9 wraps the halogen-free flame-retardant heat-insulating layer 10 to play a role of a stable structure, the non-woven fabric fastening layer 8 enables the structure of the inner cable to be more compact, the insulating heat-insulating layer 7 is a second heat-insulating layer, and the temperature of the outer surface of the double-twisted cable can not be too high when in work, the insulating shell wear-resistant layer 1 is made of wear-resistant materials and is not easy to wear when in use.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a fire-retardant twisted pair cable of high elasticity and wear-resisting non-shielding low smoke and zero halogen, includes insulating casing wearing layer (1), its characterized in that: the inside of insulating shell wearing layer (1) is provided with insulating inner shell (5), and insulating inner shell (5) and the laminating of insulating shell wearing layer (1), be provided with spiral strip (6) between insulating inner shell (5) and insulating shell wearing layer (1), insulating inner shell (5) and insulating shell wearing layer (1) all laminate with spiral strip (6).
2. The high-elasticity wear-resistant unshielded low-smoke zero-halogen flame-retardant twisted pair cable according to claim 1, wherein: the outside of insulating casing wearing layer (1) sets up measurement strip (2), and measures strip (2) and insulating casing wearing layer (1) and set up to a body structure.
3. The high-elasticity wear-resistant unshielded low-smoke zero-halogen flame-retardant twisted pair cable according to claim 1, wherein: the outer side of the insulating shell wear-resistant layer (1) is provided with a fluorescent strip (3), and the fluorescent strip (3) and the insulating shell wear-resistant layer (1) are arranged into an integral structure.
4. The high-elasticity wear-resistant unshielded low-smoke zero-halogen flame-retardant twisted pair cable according to claim 1, wherein: the inboard of insulating inner shell (5) is provided with insulating layer (7), and insulating layer (7) and insulating inner shell (5) laminating, the inboard of insulating layer (7) is provided with non-woven fabrics fastening layer (8), and non-woven fabrics fastening layer (8) and insulating layer (7) laminating.
5. The high-elasticity wear-resistant unshielded low-smoke zero-halogen flame-retardant twisted pair cable according to claim 4, wherein: the inboard of non-woven fabrics fastening layer (8) is provided with in PE protective sheath (9), and in PE protective sheath (9) and non-woven fabrics fastening layer (8) laminating, the inboard of protective sheath (9) is provided with halogen-free flame retardant insulating layer (10) in the PE, and halogen-free flame retardant insulating layer (10) and PE interior protective sheath (9) laminating.
6. The high-elasticity wear-resistant unshielded low-smoke zero-halogen flame-retardant twisted pair cable according to claim 5, wherein: the halogen-free flame-retardant heat-insulating layer is characterized in that an H-shaped support (11) is arranged inside the halogen-free flame-retardant heat-insulating layer (10), the H-shaped support (11) is attached to the halogen-free flame-retardant heat-insulating layer (10), a twisted pair (4) is arranged inside the halogen-free flame-retardant heat-insulating layer (10), and the twisted pair (4) is attached to the halogen-free flame-retardant heat-insulating layer (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220154321.7U CN216749344U (en) | 2022-01-20 | 2022-01-20 | High-elasticity wear-resistant non-shielding low-smoke halogen-free flame-retardant twisted-pair cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220154321.7U CN216749344U (en) | 2022-01-20 | 2022-01-20 | High-elasticity wear-resistant non-shielding low-smoke halogen-free flame-retardant twisted-pair cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216749344U true CN216749344U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220154321.7U Active CN216749344U (en) | 2022-01-20 | 2022-01-20 | High-elasticity wear-resistant non-shielding low-smoke halogen-free flame-retardant twisted-pair cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216749344U (en) |
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2022
- 2022-01-20 CN CN202220154321.7U patent/CN216749344U/en active Active
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