CN221040594U - High-temperature-resistant cable - Google Patents
High-temperature-resistant cable Download PDFInfo
- Publication number
- CN221040594U CN221040594U CN202323097011.XU CN202323097011U CN221040594U CN 221040594 U CN221040594 U CN 221040594U CN 202323097011 U CN202323097011 U CN 202323097011U CN 221040594 U CN221040594 U CN 221040594U
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- core
- fixing strip
- wire cores
- high temperature
- layer
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 37
- 239000003365 glass fiber Substances 0.000 claims abstract description 18
- 239000010410 layer Substances 0.000 claims description 47
- 239000003063 flame retardant Substances 0.000 claims description 25
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 22
- 230000002787 reinforcement Effects 0.000 claims description 12
- 229920002379 silicone rubber Polymers 0.000 claims description 12
- 239000011241 protective layer Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 description 6
- 239000004945 silicone rubber Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The application relates to the technical field of cables, in particular to a high-temperature-resistant cable, through the arrangement of an inner fixing strip and an outer fixing strip, the positions of a data wire core and a tensile core can be fixed, so that the inner structure is compact, meanwhile, an arc structure formed by the adjacent inner fixing strips can buffer and semi-cover a power wire core, and the inner fixing strip and the outer fixing strip can play a role in connection and fixing and can buffer and protect the data wire core and the power wire core; the reinforcing rib body is embedded in the glass fiber reinforced layer and is formed by a net-shaped structure formed by a plurality of reinforcing ribs, so that the area of the reinforcing rib body is reduced to the greatest extent, and the strength of the glass fiber reinforced layer can be increased to the greatest extent.
Description
Technical Field
The application relates to the technical field of cables, in particular to a high-temperature-resistant cable.
Background
The cable is typically a rope-like cable of twisted wires or groups of wires and is often twisted around a center, covered entirely with a highly insulating coating, and the cable is used to connect electrical circuits, appliances, etc. Along with the development of society, the high-temperature-resistant cable is more and more widely applied to various fields, and has the excellent properties of high temperature resistance, strong corrosion resistance, high insulating property and strong overload capacity.
The existing high-temperature-resistant cables mainly comprise two types: one is a silicone rubber cable with a temperature resistance of 180 degrees, and the other is: f46 insulation and sheath cable temperature resistance can reach 250 ℃, and the high temperature resistant effect of both cables is better. The cable often can receive external force effect influence in installation and use, therefore, chinese patent application number CN201821340236.X discloses a tensile high temperature resistant cable, through supporting shoe, supporting spring and buffer's effect, can fasten cable core body in the buffer layer of cable, is favorable to the inside compact structure of cable stable. However, the buffer device, the supporting spring and the supporting block are all made of rigid materials, so that when a stress point at a certain place is too large, cables inside the buffer device, the supporting spring and the supporting block are easily pierced and scratched.
Disclosure of utility model
In order to solve the problems, the utility model provides the high-temperature-resistant cable with good buffering effect, high strength and good toughness.
The technical scheme adopted for solving the technical problems is as follows: a high temperature resistant cable comprises a cable core body and a protective layer coated on the outer side of the cable core; the protective layer comprises a flame-retardant filling layer, a silicon rubber high-temperature resistant layer, a waterproof layer and a flame-retardant sheath which are sequentially arranged from inside to outside; the flame-retardant filling layer is internally provided with an accommodating cavity, and the cable core body is arranged in the accommodating cavity; the cable core body comprises a tensile core and a cable core stranded on the periphery side of the tensile core; an internal fixing strip is connected between the cable core and the tensile core; an external fixing strip is arranged between the cable core and the accommodating inner cavity.
Optionally, the cable core comprises a plurality of power wire cores and data wire cores which are arranged from inside to outside along the radial direction of the tensile core; the power wire cores are uniformly and circumferentially arranged on the outer side of the tensile wire core, and the data wire cores are uniformly and circumferentially arranged on the outer side of the power wire core.
Optionally, the plurality of data wire cores and the plurality of power wire cores are arranged alternately in the radial direction, and gaps are reserved between the adjacent plurality of power wire cores.
Optionally, a fixing sleeve is arranged on the outer periphery of the tensile core, and two ends of the inner fixing strip are respectively connected with the data wire core and the fixing sleeve; the both sides of internal fixation strip are the arc structure, the arc structure with the lateral surface of power sinle silk suits.
Optionally, fixing strip inner cavities are respectively arranged at positions on the flame-retardant filling layer corresponding to each data wire core, and outer fixing strips are connected in the fixing strip inner cavities, and two ends of each outer fixing strip are respectively fixed with the fixing strip inner cavities and the data wire cores.
Optionally, the inner fixing strip and the outer fixing strip are made of silicone rubber.
Optionally, a glass fiber reinforcement layer is further arranged between the flame-retardant filling layer and the silicon rubber high-temperature resistant layer.
Optionally, a reinforcing rib body is arranged in the glass fiber reinforced layer.
Optionally, the reinforcement rib body comprises a plurality of reinforcement rib rings which are arranged at intervals along the axial direction of the glass fiber reinforcement layer, and each reinforcement rib ring comprises at least two reinforcement ribs; the reinforcing ribs in adjacent reinforcing rib rings are arranged in a left-right staggered mode; the reinforcing ribs on the same reinforcing rib ring are connected through transverse connecting ribs, and the adjacent reinforcing ribs on the reinforcing rib rings are connected through vertical connecting ribs.
Optionally, a metal armor sheath is arranged on the outer peripheral side of the flame retardant sheath.
The beneficial effects of the utility model are as follows: compared with the prior art, the high-temperature-resistant cable provided by the utility model has the advantages that through the arrangement of the internal fixing strips and the external fixing strips, the positions of the data wire core and the tensile core can be fixed, so that the internal structure is compact, meanwhile, the arc-shaped structure formed by the adjacent internal fixing strips can buffer and semi-cover the power wire core, the internal fixing strips and the external fixing strips can play a role in connection and fixation, and buffer and protection can be realized on the data wire core and the power wire core; the reinforcing rib body is embedded in the glass fiber reinforced layer and is formed by a net-shaped structure formed by a plurality of reinforcing ribs, so that the area of the reinforcing rib body is reduced to the greatest extent, and the strength of the glass fiber reinforced layer can be increased to the greatest extent.
Drawings
FIG. 1 is a schematic diagram of the overall axial structure of the present utility model;
FIG. 2 is a schematic elevational view of the present utility model;
Fig. 3 is a schematic view of the internal structure of the glass fiber reinforcement layer.
Reference numerals illustrate: 1. a tensile core; 11. a high temperature resistant layer of silicone rubber; 12. a waterproof layer; 13. a flame retardant sheath; 14. a metal armor sheath; 15. a reinforcing rib body; 16. reinforcing ribs; 17. transverse connecting ribs; 18. vertical connecting ribs; 2. a power wire core; 3. a data wire core; 4. a flame retardant filler layer; 5. a receiving cavity; 6. a fixed sleeve; 7. an inner fixing strip; 8. a fixing strip inner cavity; 9. an outer fixing strip; 10. and a glass fiber reinforcement layer.
Detailed Description
The application is described in further detail below with reference to fig. 1-3.
The utility model provides a high-temperature-resistant cable which mainly comprises a cable core body and a protective layer coated on the outer side of the cable core. The cable core body comprises a cable core and a tensile core 1, wherein the cable core is distributed on the outer peripheral side of the tensile core 1 and is stranded with the tensile core 1 to form the cable core body.
The cable core body comprises a plurality of power wire cores 2 and data wire cores 3 which are arranged from inside to outside along the radial direction of the tensile core 1, and the plurality of power wire cores 2 are uniformly and circumferentially arrayed outside the tensile core 1. The data wire cores 3 are uniformly and circumferentially arrayed on the outer side of the power wire core 2.
The inoxidizing coating includes fire-retardant filling layer 4, is equipped with in the fire-retardant filling layer 4 and is used for holding the holding inner chamber 5 of cable core body for the cable core body can be fixed in fire-retardant filling layer 4 relatively, and fire-retardant filling layer 4 cladding is in the outside of cable core body, carries out the protection to the cable core body.
The plurality of data wire cores 3 and the plurality of power wire cores 2 are arranged at intervals in the radial direction, and gaps are reserved between the adjacent power wire cores 2. The outer periphery side of the tensile core 1 is provided with a fixed sleeve 6, an internal fixing strip 7 is arranged between the plurality of data wire cores 3 and the fixed sleeve 6, and two ends of the internal fixing strip 7 are respectively connected with the fixed sleeve 6 and the data wire cores 3, so that the data wire cores 3 can be relatively fixed with the tensile core 1.
The two sides of the internal fixing strips 7 are respectively arc-shaped structures, and the arc-shaped structures are adapted to the outer side surfaces of the power wire cores 2, so that the arc-shaped surfaces of two adjacent internal fixing strips 7 form half-cladding and buffering support of the power wire cores 2.
The flame-retardant filling layer 4 is provided with fixing strip inner cavities 8 at positions corresponding to each data wire core 3, the fixing strip inner cavities 8 are internally connected with external fixing strips 9, two ends of each external fixing strip 9 are respectively fixed with the fixing strip inner cavities 8 and the data wire cores 3 so as to firmly fix the data wire cores 3 in the flame-retardant filling layer 4, the positions of the data wire cores 3 and the tensile wire cores 1 are fixed through the internal fixing strips 7 and the external fixing strips 9, and the position of each power wire core 2 is fixed and buffered through the flame-retardant filling layer 4 and two internal fixing strips 7 adjacent to the power wire cores 2.
The internal fixing strip 7 and the external fixing strip 9 are arranged along the twisting direction of the cable core body, and the internal fixing strip 7 and the external fixing strip 9 are preferably made of silicon rubber, and the internal fixing strip 7 and the external fixing strip 9 made of silicon rubber have elasticity and high temperature resistance, so that the cable core body can be further buffered and protected and fixed, and can resist the high temperature of the cable core body and be not damaged easily when the temperature of the cable core body is higher.
The glass fiber reinforcement layer 10 is coated on the outer peripheral side of the flame-retardant filling layer 4, and the glass fiber reinforcement layer 10 can fully support and protect the cable core body and the flame-retardant filling layer 4 inside. The glass fiber reinforcement layer 10 is provided with a silicone rubber high temperature resistant layer 11 on the outer peripheral side, and imparts high temperature resistance to the entire cable. The waterproof layer 12 is provided on the outer peripheral side of the high temperature resistant layer 11 of silicone rubber, so that moisture can be prevented from entering the inside of the cable to prevent damage to the cable or short circuit. The waterproof layer 12 is provided with a flame-retardant sheath 13 on the outer peripheral side thereof, realizing a sufficient flame-retardant function.
The outer periphery side of the flame-retardant sheath 13 is also provided with a metal armor sheath 14, and the metal armor sheath 14 can resist strong pressure and stretching and can realize the function of rapid heat dissipation.
As a preferred embodiment, the reinforcing rib body 15 is further embedded and filled in the glass fiber reinforced layer 10, so as to increase the strength of the protective layer and resist the acting force of external force on the inner cable core body.
The rib body 15 is shown in fig. 3, and fig. 3 is a schematic view of an internal structure formed by cutting a circular shape in the axial direction from 1/2 of the inner diameter and the outer diameter of the glass fiber reinforced layer 10. In the present utility model, the rib body 15 includes a plurality of rib rings disposed alternately in the axial direction of the glass fiber reinforced layer 10, each rib ring includes at least two ribs 16, and in this embodiment, each rib ring includes three ribs 16 and is disposed in a uniform circumferential array. The reinforcing ribs 16 in adjacent reinforcing rib rings are arranged in a left-right staggered manner so as to strengthen the strength of the whole reinforcing rib body 15 and reduce the arrangement area.
The reinforcing ribs 16 on the same reinforcing rib ring are connected through the transverse connecting ribs 17, and the reinforcing ribs 16 on the adjacent reinforcing rib rings are connected through the vertical connecting ribs 18, so that a plurality of reinforcing ribs 16 are fully connected and fixed, and displacement of the reinforcing ribs is avoided.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (10)
1. The utility model provides a high temperature resistant cable which characterized in that: comprises a cable core body and a protective layer coated on the outer side of the cable core; the protective layer comprises a flame-retardant filling layer (4), a silicon rubber high-temperature-resistant layer (11), a waterproof layer (12) and a flame-retardant sheath (13) which are sequentially arranged from inside to outside; an accommodating cavity (5) is formed in the flame-retardant filling layer (4), and the cable core body is arranged in the accommodating cavity (5); the cable core body comprises a tensile core (1) and a cable core stranded on the periphery side of the tensile core (1); an internal fixing strip (7) is connected between the cable core and the tensile core (1); an external fixing strip (9) is arranged between the cable core and the accommodating inner cavity (5).
2. A high temperature resistant cable according to claim 1, wherein: the cable core comprises a plurality of power wire cores (2) and data wire cores (3) which are arranged from inside to outside along the radial direction of the tensile core (1); the power wire cores (2) are uniformly and circumferentially arranged outside the tensile wire cores (1), and the data wire cores (3) are uniformly and circumferentially arranged outside the power wire cores (2).
3. A high temperature resistant cable according to claim 2, wherein: the data wire cores (3) and the power wire cores (2) are arranged at intervals in the radial direction, and gaps are reserved between the adjacent power wire cores (2).
4. A high temperature resistant cable according to claim 3, wherein: a fixed sleeve (6) is arranged on the outer periphery of the tensile core (1), and two ends of the inner fixed strip (7) are respectively connected with the data wire core (3) and the fixed sleeve (6); the two sides of the inner fixing strip (7) are arc-shaped structures, and the arc-shaped structures are matched with the outer side faces of the power wire cores (2).
5. A high temperature resistant cable according to claim 2, wherein: the flame-retardant filling layer (4) is provided with fixing strip inner cavities (8) at positions corresponding to each data wire core (3), the fixing strip inner cavities (8) are internally connected with external fixing strips (9), and two ends of each external fixing strip (9) are respectively fixed with the fixing strip inner cavities (8) and the data wire cores (3).
6. The high temperature resistant cable of claim 5, wherein: the inner fixing strip (7) and the outer fixing strip (9) are made of silicon rubber.
7. The high temperature resistant cable of claim 6, wherein: and a glass fiber reinforcing layer (10) is arranged between the flame-retardant filling layer (4) and the silicon rubber high-temperature-resistant layer (11).
8. The high temperature resistant cable of claim 7 wherein: the glass fiber reinforcement layer (10) is internally provided with a reinforcing rib body (15).
9. A high temperature resistant cable according to claim 8, wherein: the reinforcing rib body (15) comprises a plurality of reinforcing rib rings which are arranged at intervals along the axial direction of the glass fiber reinforced layer (10), and each reinforcing rib ring comprises at least two reinforcing ribs (16); the reinforcing ribs (16) in adjacent reinforcing rib rings are arranged in a left-right staggered mode; the reinforcing ribs (16) on the same reinforcing rib ring are connected through transverse connecting ribs (17), and the adjacent reinforcing ribs (16) on the reinforcing rib ring are connected through vertical connecting ribs (18).
10. A high temperature resistant cable according to claim 1, wherein: the outer periphery side of the flame-retardant sheath (13) is provided with a metal armor sheath (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323097011.XU CN221040594U (en) | 2023-11-16 | 2023-11-16 | High-temperature-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323097011.XU CN221040594U (en) | 2023-11-16 | 2023-11-16 | High-temperature-resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221040594U true CN221040594U (en) | 2024-05-28 |
Family
ID=91180771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323097011.XU Active CN221040594U (en) | 2023-11-16 | 2023-11-16 | High-temperature-resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221040594U (en) |
-
2023
- 2023-11-16 CN CN202323097011.XU patent/CN221040594U/en active Active
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