CN208954672U - A kind of fire-fighting fire resisting twisted pair - Google Patents
A kind of fire-fighting fire resisting twisted pair Download PDFInfo
- Publication number
- CN208954672U CN208954672U CN201822136084.8U CN201822136084U CN208954672U CN 208954672 U CN208954672 U CN 208954672U CN 201822136084 U CN201822136084 U CN 201822136084U CN 208954672 U CN208954672 U CN 208954672U
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- Prior art keywords
- shell
- fire
- twisted pair
- cable
- rubber ring
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses a kind of fire-fighting fire resisting twisted pairs, including shell, form friction pattern is provided on the outside of the shell, asbestos stratum reticulare is provided on the inside of the shell, thermal insulation shielded layer is provided on the inside of the asbestos stratum reticulare, it is provided with braiding layer on the inside of the thermal insulation shielded layer, multiple twin core is provided on the inside of the braiding layer；Braiding layer is provided on the outside of multiple twin core, braiding layer is by glass fibre, insulate silk and ceramic fibre braiding composition, pass through the mutually twisted fire resistance convenient for improving cable of three kinds of materials, avoid cable fire performance poor, it influences to use, cavity is provided on the inside of rubber ring, convex block is provided on the inside of shell, convenient for making to form gap between shell and asbestos stratum reticulare, reduce the contact area of shell and asbestos stratum reticulare, and then heat is reduced to the transmitting on the inside of cable, simultaneously by the deformation of gap and rubber ring convenient for the buffer capacity of enhancing cable, avoid in use exterior vibration cause cable to be damaged.
Description
Technical field
The utility model belongs to fire resisting twisted pair technical field, and in particular to a kind of fire-fighting fire resisting twisted pair.
Background technique
Twisted pair is most common transmission medium in a kind of generic cabling engineering, is by two copper with insulating protective layer
Conducting wire composition.The copper conductor of two eradication edge is twisted mutually together by certain density, each conducting wire gives off in the transmission
The electric wave that the electric wave come can be issued on another single line is offset, and the degree of signal interference, in actual use, twisted pair is effectively reduced
It is to be wrapped in an insulated cable casing together by multipair twisted pair.If one or more pairs of twisted pairs are placed on an insulation
Twisted-pair cable has been become in casing, but " twisted-pair cable " is directly generally known as " twisted pair " in daily life.
Fire protecting performance is general during use for existing twisted pair, when being used for fire protection sector, existing twisted pair
It is not able to satisfy high performance fire resisting effect, cannot ensure fire resistance property well, in addition twisted pair intensity is low, anti-vibration effect
Difference is not easy to move twisted pair, thus it is proposed that a kind of fire-fighting fire resisting twisted pair.
Utility model content
The purpose of this utility model is to provide a kind of fire-fighting fire resisting twisted pairs, to solve to propose in above-mentioned background technique
Fire protecting performance is general during use for existing twisted pair, and when being used for fire protection sector, existing twisted pair is not able to satisfy
High performance fire resisting effect, cannot ensure fire resistance property well, and in addition twisted pair intensity is low, anti-vibration effect is poor, be not easy to
Mobile problem is carried out to twisted pair.
To achieve the above object, the utility model provides the following technical solutions: a kind of fire-fighting fire resisting twisted pair, including outer
Shell is provided with form friction pattern on the outside of the shell, asbestos stratum reticulare, the inside of the asbestos stratum reticulare is provided on the inside of the shell
It is provided with thermal insulation shielded layer, braiding layer is provided on the inside of the thermal insulation shielded layer, is provided with multiple twin on the inside of the braiding layer
Core, the side of the multiple twin core are provided with rubber ring, Di Nima insulating cord are provided on the inside of the rubber ring.
Preferably, the braiding layer includes that glass fibre, insulation silk and ceramic fibre, the side of the glass fibre are set
It is equipped with ceramic fibre, the glass fibre and ceramic fibre are mutually twisted, the glass fibre and the twisted place's setting of ceramic fibre
There is insulation silk, the insulation silk is interspersed between glass fibre and ceramic fibre.
Preferably, convex block is provided on the inside of the shell, the convex block is an integral structure with shell.
Preferably, the form friction pattern is " T " font, is provided with ventilation hole on the inside of the form friction pattern, the ventilation hole passes through
Wear the two sides of form friction pattern.
Preferably, the outside of the multiple twin core is located at the inside of braiding layer filled with polyolefin flame-retardant pipe.
Preferably, the interior diameter of the rubber ring and the overall diameter of Di Nima insulating cord match, the rubber ring it is interior
Side is provided with cavity, the cavity circumferentially equidistant arrangement in the inside of rubber ring.
Preferably, be provided with metal mesh on the inside of the thermal insulation shielded layer, the two sides of the metal mesh respectively with braiding layer and
It is cemented fixed that asbestos stratum reticulare is glued by heat-insulated silica gel.
Compared with prior art, the utility model has the beneficial effects that
(1) braiding layer is provided on the outside of multiple twin core, braiding layer is woven by glass fibre, insulation silk and ceramic fibre
It constitutes, glassfiber insulation is good, heat resistance is strong, corrosion resistance is good, and insulation silk good insulating, moisture-proof efficiency are good, and ceramics are fine
Dimension is a kind of fibrous light refractory material, has light-weight, high temperature resistant, thermal stability good, mutually twisted by three kinds of materials
Convenient for improving the fire resistance of cable, avoid cable fire performance poor, influence using, two sides of thermal insulation shielded layer respectively with asbestos
It is cemented fixed that stratum reticulare and braiding layer are glued by heat-insulated silica gel, convenient for reducing interference of the external electromagnetic waves to multiple twin core, while can be with
Temperature is completely cut off, avoids outside electromagnetism from involving temperature to the damage inside cable, increases the practicability of device.
(2) middle part on the inside of rubber ring is provided with Di Nima insulating cord, and Di Nima insulating cord strength is remaining times of high-quality steel,
The bent fatigue behaviour of resistance to change is superior, and addition fire retardant fire resistance is strong, convenient for improving the tensile resistance of cable entirety, enhances cable
Intensity, be provided with cavity on the inside of rubber ring, convex block be provided on the inside of shell, convenient for making shape between shell and asbestos stratum reticulare
At gap, the contact area of shell and asbestos stratum reticulare is reduced, and then reduces heat to the transmitting on the inside of cable, while passing through gap
And the deformation of rubber ring convenient for enhancing cable buffer capacity, avoid in use exterior vibration cause cable to be damaged, increase
The big practicability of device is provided with form friction pattern on the outside of shell, ventilation hole is provided on the inside of form friction pattern, convenient for shell
It when being placed, is aerated by bottom of the ventilation hole to shell, avoiding shell from directly contacting with ground causes on the downside of shell
Ventilation effect is poor, easily goes mouldy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the side structure schematic view of the utility model；
Fig. 3 is the braiding schematic diagram of a layer structure of the utility model；
In figure: 1, shell；2, form friction pattern；3, ventilation hole；4, convex block；5, asbestos stratum reticulare；6, thermal insulation shielded layer；7, it weaves
Layer；8, multiple twin core；9, rubber ring；10, Di Nima insulating cord；11, glass fibre；12, insulate silk；13, ceramic fibre.
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-Fig. 3 is please referred to, the utility model provides a kind of technical solution: a kind of fire-fighting fire resisting twisted pair, including it is outer
Shell 1, the outside of shell 1 are provided with form friction pattern 2, and for the ease of improving cable heat resistance, the inside of shell 1 is provided with asbestos stratum reticulare
5, involve temperature to the damage inside cable for the ease of reducing electromagnetism, the inside of asbestos stratum reticulare 5 is provided with thermal insulation shielded layer 6,
It is provided with braiding layer 7 in order to further enhance high temperature resistance and resistance to mechanical vibration, the inside of thermal insulation shielded layer 6 of cable, is compiled
The inside of tissue layer 7 is provided with multiple twin core 8, and the side of multiple twin core 8 is provided with rubber ring 9, for the ease of the strong of enhancing cable
Degree, the inside of rubber ring 9 is provided with Di Nima insulating cord 10.
In the present embodiment, it is preferred that braiding layer 7 includes glass fibre 11, insulation silk 12 and ceramic fibre 13, in order to just
In reducing heat to transmitting inside cable, the side of glass fibre 11 is provided with ceramic fibre 13, and glass fibre 11 and ceramics are fine
Dimension 13 is mutually twisted, for the ease of improving the insulating properties and resistance to mechanical vibration ability of cable, glass fibre 11 and ceramic fibre 13
Twisted place is provided with insulation silk 12, and insulation silk 12 is interspersed between glass fibre 11 and ceramic fibre 13.
In the present embodiment, it is preferred that for the ease of forming gap between shell 1 and asbestos stratum reticulare 5, reduce heat inwardly
Transmitting, the inside of shell 1 is provided with convex block 4, and convex block 4 is an integral structure with shell 1.
In the present embodiment, it is preferred that the ventilation effect of bottom when for the ease of holding and place cable, form friction pattern 2 are " T "
Font, the inside of form friction pattern 2 are provided with ventilation hole 3, and ventilation hole 3 runs through the two sides of form friction pattern 2.
In the present embodiment, it is preferred that for the ease of preferably improving the fire resistance of cable, the outside of multiple twin core 8 is located at
The inside of braiding layer 7 is filled with polyolefin flame-retardant pipe.
In the present embodiment, it is preferred that for the ease of reducing damage when to cable bend by the deformation of rubber ring 9,
The interior diameter of rubber ring 9 and the overall diameter of Di Nima insulating cord 10 match, and the inside of rubber ring 9 is provided with cavity, and cavity is in
Circumference equidistant arrangement is in the inside of rubber ring 9.
In the present embodiment, it is preferred that for the ease of shielding to electromagnetic wave, be provided with metal on the inside of thermal insulation shielded layer 6
Net, for the ease of to isolation temperature, the two sides of metal mesh are glued with braiding layer 7 and asbestos stratum reticulare 5 by heat-insulated silica gel cemented respectively
It is fixed.
The working principle and process for using of the utility model: when in use, 10 strength of Di Nima insulating cord is high-quality steel
More than 10 times, the bent fatigue behaviour of resistance to change is superior, and addition fire retardant fire resistance is strong, convenient for improving the tensile resistance of cable entirety,
Enhance the intensity of cable, 11 good insulating of glass fibre, heat resistance are strong, corrosion resistance is good, high mechanical strength, and insulation silk 12 is exhausted
Edge is good, moisture-proof efficiency is good, and ceramic fibre 13 is a kind of fibrous light refractory material, has light-weight, high temperature resistant, thermostabilization
Property it is good, thermal conductivity is low, specific heat is small and mechanical resistant vibration, by the mutually twisted fire resistance convenient for improving cable of three kinds of materials,
Ensure the safety of inside multiple twin core 8, while mechanical resistant shakes the good damage shaken convenient for reduction during use to cable
Bad, the outside of Di Nima insulating cord 10 is provided with rubber ring 9, and the inside of rubber ring 9 is provided with cavity, is easy to deformation, convenient for drop
Low cable bend when in use causes cable inner space to become smaller, and causes the damage of cable, and the inside of shell 1 is provided with convex block 4
Convenient for making to be formed gap between shell 1 and asbestos stratum reticulare 5, the contact area of shell 1 and asbestos stratum reticulare 5 is reduced, and then reduce heat
The transmitting on the inside of cable is measured, the safety of multiple twin core 8 is improved, the inside of form friction pattern 2 is provided with ventilation hole 3, convenient for outside
When shell 1 places ground, shell 1 and the part of ground face contact are aerated by ventilation hole 3,1 downside of shell when avoiding placing
Atmosphere draught-free easily goes mouldy, and improves the dampproof effect of shell 1.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of fire-fighting fire resisting twisted pair, including shell (1), it is characterised in that: be provided with friction on the outside of the shell (1)
Line (2) is provided with asbestos stratum reticulare (5) on the inside of the shell (1), and thermal insulation shielding is provided on the inside of the asbestos stratum reticulare (5)
Layer (6) is provided with braiding layer (7) on the inside of the thermal insulation shielded layer (6), is provided with twisted pair on the inside of the braiding layer (7)
The side of core (8), the multiple twin core (8) is provided with rubber ring (9), and it is exhausted to be provided with Di Nima on the inside of the rubber ring (9)
Edge rope (10).
2. a kind of fire-fighting fire resisting twisted pair according to claim 1, it is characterised in that: the braiding layer (7) includes glass
Glass fiber (11), insulation silk (12) and ceramic fibre (13), the side of the glass fibre (11) are provided with ceramic fibre
(13), the glass fibre (11) and ceramic fibre (13) are mutually twisted, and the glass fibre (11) and ceramic fibre (13) twist
Insulation silk (12) is provided at conjunction, the insulation silk (12) is interspersed between glass fibre (11) and ceramic fibre (13).
3. a kind of fire-fighting fire resisting twisted pair according to claim 1, it is characterised in that: set on the inside of the shell (1)
It is equipped with convex block (4), the convex block (4) is an integral structure with shell (1).
4. a kind of fire-fighting fire resisting twisted pair according to claim 1, it is characterised in that: the form friction pattern (2) is " T " word
Type is provided with ventilation hole (3) on the inside of the form friction pattern (2), and the ventilation hole (3) runs through the two sides of form friction pattern (2).
5. a kind of fire-fighting fire resisting twisted pair according to claim 1, it is characterised in that: outside the multiple twin core (8)
Side is located at the inside of braiding layer (7) filled with polyolefin flame-retardant pipe.
6. a kind of fire-fighting fire resisting twisted pair according to claim 1, it is characterised in that: the rubber ring (9) it is interior straight
Diameter and the overall diameter of Di Nima insulating cord (10) match, and cavity are provided on the inside of the rubber ring (9), the cavity is in circle
Inside of all equidistant arrangements in rubber ring (9).
7. a kind of fire-fighting fire resisting twisted pair according to claim 1, it is characterised in that: in the thermal insulation shielded layer (6)
Side is provided with metal mesh, and the two sides of the metal mesh are glued with braiding layer (7) and asbestos stratum reticulare (5) by heat-insulated silica gel cemented respectively
It is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822136084.8U CN208954672U (en) | 2018-12-19 | 2018-12-19 | A kind of fire-fighting fire resisting twisted pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822136084.8U CN208954672U (en) | 2018-12-19 | 2018-12-19 | A kind of fire-fighting fire resisting twisted pair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208954672U true CN208954672U (en) | 2019-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822136084.8U Expired - Fee Related CN208954672U (en) | 2018-12-19 | 2018-12-19 | A kind of fire-fighting fire resisting twisted pair |
Country Status (1)
| Country | Link |
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| CN (1) | CN208954672U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110878563A (en) * | 2019-12-08 | 2020-03-13 | 怀化三通交通设施工程有限公司 | Prevent high temperature intelligence well lid |
| CN111899924A (en) * | 2020-09-03 | 2020-11-06 | 瑞安市中德电工器材有限公司 | Corona-resistant enameled wire with high PDIV (polymer induced plasticity) and preparation process thereof |
-
2018
- 2018-12-19 CN CN201822136084.8U patent/CN208954672U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110878563A (en) * | 2019-12-08 | 2020-03-13 | 怀化三通交通设施工程有限公司 | Prevent high temperature intelligence well lid |
| CN111899924A (en) * | 2020-09-03 | 2020-11-06 | 瑞安市中德电工器材有限公司 | Corona-resistant enameled wire with high PDIV (polymer induced plasticity) and preparation process thereof |
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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: 20190607 Termination date: 20191219 |