CN220155223U - Multi-core high-temperature-resistant fire-proof cable - Google Patents
Multi-core high-temperature-resistant fire-proof cable Download PDFInfo
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- CN220155223U CN220155223U CN202321377457.5U CN202321377457U CN220155223U CN 220155223 U CN220155223 U CN 220155223U CN 202321377457 U CN202321377457 U CN 202321377457U CN 220155223 U CN220155223 U CN 220155223U
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- 239000003063 flame retardant Substances 0.000 claims abstract description 48
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 40
- 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 abstract description 27
- 239000003365 glass fiber Substances 0.000 claims abstract description 24
- 239000004744 fabric Substances 0.000 claims abstract description 16
- 230000009970 fire resistant effect Effects 0.000 claims abstract description 11
- 239000003292 glue Substances 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000000779 smoke Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
Abstract
The utility model relates to the technical field of multi-core cables, and particularly discloses a multi-core high-temperature-resistant fire-resistant cable which comprises a multi-core cable body, wherein a flame-retardant rubber layer, a glass fiber layer, a flame-retardant cloth layer and an insulating sheath are sequentially arranged on the outer wall of the multi-core cable body from inside to outside, the flame-retardant rubber layer is adhered to the outer wall of the multi-core cable body, and the glass fiber layer is wrapped on the outer wall of the flame-retardant rubber layer. According to the utility model, the diameter of the outer wall of the copper ring arranged on the outer wall of the insulating sheath is larger than that of the outer wall of the insulating sheath, so that the outer wall of the copper ring of the outer wall of the insulating sheath is firstly contacted with the contact surface when the multi-core cable body is placed, friction and abrasion between the insulating sheath and the contact surface are avoided, the normal service lives of the insulating sheath and the multi-core cable body are prolonged, and abrasion between the insulating sheath and the multi-core cable body is reduced.
Description
Technical Field
The utility model relates to the technical field of multi-core cables, in particular to a multi-core high-temperature-resistant fireproof cable.
Background
Cables are the generic term for optical cables, electrical cables, and the like; the multi-core cable is a cable with more than one insulated wire core; the Chinese patent with the application number of 202020097694.6 discloses a multi-core cable, which comprises at least four wire cores, an inner sheath and an outer sheath, wherein the inner sheath is arranged outside each wire core and is used for wrapping all the wire cores together, the inner sheath is of a one-time injection molding structure, the inner sheath is arranged into a round sleeve made of low-smoke halogen-free crosslinked plastic material, the outer sheath is arranged into an annular sleeve made of low-smoke halogen-free crosslinked plastic material or polyvinyl chloride plastic material, the wire cores are circumferentially distributed, the axis of each wire core is positioned on the same circumferential surface, and an intermediate sheath is arranged between the inner sheath and the outer sheath and is used for wrapping two or three adjacent wire cores together; however, when the multi-core cable is used, the outer surface of the multi-core cable is easy to wear, and the normal service life of the multi-core cable is influenced, so in order to solve the problems, a multi-core high-temperature-resistant fire-resistant cable is provided.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a multi-core high-temperature-resistant fireproof cable.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a fire-resistant fire prevention cable of multicore, includes the multicore cable body, the multicore cable body outer wall has set gradually fire-retardant rubber layer, glass fiber layer, fire-retardant cloth layer and insulating sheath from interior to exterior, and fire-retardant rubber layer bonds at the multicore cable body outer wall, and glass fiber layer parcel is at fire-retardant rubber layer outer wall, and fire-retardant cloth layer winding is at glass fiber layer outer wall, and the multicore cable body, fire-retardant rubber layer, glass fiber layer and fire-retardant cloth layer all overlap and establish in insulating sheath, and insulating sheath outer wall is provided with a plurality of and is used for carrying out the heat conduction to the multicore cable body and protects the heat conduction protection component of heat conduction.
Preferably, the heat conduction protection component comprises a red copper ring fixedly sleeved on the outer wall of the insulating sheath, a plurality of insulating heat conduction elastic rubber cores are connected to the inner wall of the red copper ring, and one end, far away from the red copper ring, of each insulating heat conduction elastic rubber core is inserted into the multi-core cable body.
Preferably, one end of the insulating heat-conducting elastic rubber core far away from the copper ring sequentially penetrates through the insulating sheath, the flame-retardant cloth layer, the glass fiber layer and the flame-retardant rubber layer and extends into the multi-core cable body.
Preferably, the inner wall of the red copper ring is provided with two annular glue coating areas, and the insulating heat-conducting elastic rubber core is positioned between the two annular glue coating areas.
Preferably, the annular glue smearing area is provided with a glue layer, and the red copper ring is adhered to the outer wall of the insulating sheath through the glue layer.
Preferably, the thickness of the flame-retardant rubber layer is 2-3.5mm, and the thickness of the glass fiber layer is 1-1.8mm.
Preferably, the distance between two adjacent red copper rings is 25-35cm.
Compared with the prior art, the utility model has the beneficial effects that:
1: according to the utility model, the diameter of the outer wall of the copper ring arranged on the outer wall of the insulating sheath is larger than that of the outer wall of the insulating sheath, so that the outer wall of the copper ring of the outer wall of the insulating sheath is firstly contacted with the contact surface when the multi-core cable body is placed, friction and abrasion between the insulating sheath and the contact surface are avoided, the normal service lives of the insulating sheath and the multi-core cable body are prolonged, and abrasion between the insulating sheath and the multi-core cable body is reduced.
2: according to the utility model, heat generated by the multi-core cable body during operation can be transferred to the copper ring through the insulating heat-conducting rubber core, and the copper ring is utilized to have excellent electric conductivity, heat conductivity, ductility and corrosion resistance, so that the copper ring can quickly radiate the absorbed heat of the multi-core cable body transferred by the insulating heat-conducting rubber core to the outside, the multi-core cable body can be radiated, and the multi-core cable body can still have a good radiating effect after long-time use and can be used for a long time.
Drawings
FIG. 1 is an isometric view of a multi-core high temperature resistant fire-resistant cable according to the present utility model;
fig. 2 is a schematic structural diagram of a multi-core high-temperature-resistant fire-resistant cable according to the present utility model;
FIG. 3 is a schematic structural view of a multi-core high temperature resistant fire-resistant cable according to the present utility model;
FIG. 4 is an enlarged view of a portion A of FIG. 3;
fig. 5 is a schematic structural view of a copper ring of a multi-core high-temperature-resistant fire-resistant cable according to the present utility model.
In the figure: 1. a multi-core cable body; 2. a flame retardant rubber layer; 3. a glass fiber layer; 4. a flame retardant cloth layer; 5. an insulating sheath; 6. a copper ring; 7. an insulating heat conductive elastic rubber core; 8. and a glue layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-5, a high temperature resistant fire-proof cable of multicore, including multicore cable body 1, multicore cable body 1 outer wall has set gradually fire-retardant rubber layer 2 from inside to outside, glass fiber layer 3, fire-retardant cloth layer 4 and insulating sheath 5, fire-retardant rubber layer 2 bonds at multicore cable body 1 outer wall, glass fiber layer 3 parcel is at fire-retardant rubber layer 2 outer wall, fire-retardant cloth layer 4 twines at glass fiber layer 3 outer wall, multicore cable body 1, fire-retardant rubber layer 2, glass fiber layer 3 and fire-retardant cloth layer 4 all overlap and establish in insulating sheath 5, insulating sheath 5 outer wall is provided with a plurality of and is used for carrying out the heat conduction to multicore cable body 1 and protects the heat conduction protection component.
As a technical optimization scheme of the utility model, the heat conduction protection component comprises the red copper ring 6 fixedly sleeved on the outer wall of the insulating sheath 5, a plurality of insulating heat conduction elastic rubber cores 7 are connected to the inner wall of the red copper ring 6, one end, away from the red copper ring 6, of each insulating heat conduction elastic rubber core 7 is inserted into the multi-core cable body 1, heat generated by the multi-core cable body 1 during operation can be transferred to the red copper ring 6 through the insulating heat conduction elastic rubber cores 7, and the red copper ring 6 has excellent electric conductivity, heat conductivity, ductility and corrosion resistance, so that the red copper ring 6 can quickly emit the heat of the absorbed multi-core cable body 1 transferred by the insulating heat conduction elastic rubber cores 7 to the outside.
As a technical optimization scheme of the utility model, one end of the insulating heat-conducting elastic rubber core 7, which is far away from the copper ring 6, sequentially passes through the insulating sheath 5, the flame-retardant cloth layer 4, the glass fiber layer 3 and the flame-retardant rubber layer 2 and extends into the multi-core cable body 1.
As a technical optimization scheme of the utility model, two annular glue coating areas are arranged on the inner wall of the red copper ring 6, and the insulating heat-conducting elastic rubber core 7 is positioned between the two annular glue coating areas.
As a technical optimization scheme of the utility model, the annular glue smearing area is provided with the glue layer 8, the red copper ring 6 is adhered to the outer wall of the insulating sheath 5 through the glue layer 8, and the red copper ring 6 can be conveniently fixed on the outer wall of the insulating sheath 5 through the glue layer 8 arranged on the inner wall of the red copper ring 6.
As a technical optimization scheme of the utility model, the thickness of the flame-retardant rubber layer 2 is 2-3.5mm, and the thickness of the glass fiber layer (3) is 1-1.8mm.
As a technical optimization scheme of the utility model, the distance between two adjacent red copper rings 6 is 25-35cm.
In the present utility model, the flame-retardant rubber provided by the flame-retardant rubber means a rubber having flame retardancy and flame retardance by the flame-retardant rubber layer 2 provided on the outer wall of the multi-core cable body 1. The rubber is an organic inflammable material and is harmful to safety, so that various rubber products such as a rubber conveyer belt for mines and vehicles and ships are required to have flame retardance and flame retardant property, and further the flame retardant rubber can be utilized to provide a certain flame retardant effect for the multi-core cable body 1, so that the multi-core cable body 1 is prevented from being damaged due to ignition of the multi-core cable body 1 during ignition, and the fireproof property of the multi-core cable body 1 is improved; and utilize flame retardant rubber layer 2 to provide the protection to multicore cable body 1, utilize the compliance of flame retardant rubber layer 2, can make multicore cable body 1 possess certain anti extrusion ability, utilize flame retardant rubber layer 2 to provide flexible protection for multicore cable body 1.
The glass fiber layer 3 arranged on the outer wall of the flame-retardant rubber layer 2 uses glass fiber which is an inorganic nonmetallic material with excellent performance, and has the advantages of good insulativity, strong heat resistance, good corrosion resistance and high mechanical strength, but has the disadvantages of brittleness and poor wear resistance, and the multi-wire cable body 1 can have the characteristics of insulation, heat resistance, corrosion resistance and the like by using the characteristics of the glass fiber layer 3, so that the heat resistance of the multi-wire cable body 1 is improved, and the multi-core cable body 1 further has the high temperature resistance.
The multi-core cable body can be provided with a certain fireproof performance by utilizing the flame-retardant cloth layer 4, the insulating sheath 5 can provide a protective effect for the multi-core cable body 1 in the flame-retardant cloth layer, scratch damage and the like to the multi-core cable body 1 caused by foreign objects are avoided, and the protectiveness to the multi-core cable body 1 is improved.
And in addition, the diameter of the outer wall of the red copper ring 6 arranged on the outer wall of the insulating sheath 5 is larger than that of the outer wall of the insulating sheath 5, so that when the multicore cable body 1 is placed, the outer wall of the red copper ring 6 on the outer wall of the insulating sheath 5 is firstly contacted with a contact surface, friction and abrasion between the insulating sheath 5 and the contact surface are avoided, the normal service lives of the insulating sheath 5 and the multicore cable body 1 are prolonged, and abrasion between the insulating sheath 5 and the multicore cable body 1 is reduced.
And when the multicore cable body 1 produces heat during operation, the heat can be transferred to the copper ring 6 through the insulating heat-conducting elastic rubber core 7, and the copper ring 6 has excellent electric conductivity, heat conductivity, ductility and corrosion resistance, so that the copper ring 6 can quickly radiate the absorbed heat of the multicore cable body 1 transferred by the insulating heat-conducting elastic rubber core 7 to the outside, the multicore cable body 1 can be radiated, and the multicore cable body 1 is ensured to still have good radiating effect under long-time use so as to be used for a long time.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides a fire-resistant fire wire cable of multicore, includes multicore cable body (1), a serial communication port, multicore cable body (1) outer wall has set gradually fire-retardant rubber layer (2), glass fiber layer (3), fire-retardant cloth layer (4) and insulating sheath (5) from interior to exterior, fire-retardant rubber layer (2) bond at multicore cable body (1) outer wall, glass fiber layer (3) parcel is at fire-retardant rubber layer (2) outer wall, fire-retardant cloth layer (4) winding is at glass fiber layer (3) outer wall, multicore cable body (1), fire-retardant rubber layer (2), glass fiber layer (3) and fire-retardant cloth layer (4) all overlap and establish in insulating sheath (5), insulating sheath (5) outer wall is provided with a plurality of and is used for carrying out heat conduction and protection's heat conduction protection subassembly to multicore cable body (1).
2. The multi-core high-temperature-resistant fireproof cable according to claim 1, wherein the heat conduction protection component comprises a red copper ring (6) fixedly sleeved on the outer wall of the insulating sheath (5), a plurality of insulating heat conduction elastic rubber cores (7) are connected to the inner wall of the red copper ring (6), and one end, far away from the red copper ring (6), of each insulating heat conduction elastic rubber core (7) is inserted into the multi-core cable body (1).
3. The multi-core high-temperature-resistant fire-resistant cable according to claim 2, wherein one end of the insulating heat-conducting elastic rubber core (7) far away from the copper ring (6) sequentially penetrates through the insulating sheath (5), the flame-retardant cloth layer (4), the glass fiber layer (3) and the flame-retardant rubber layer (2) and extends into the multi-core cable body (1).
4. The multi-core high-temperature-resistant fire-resistant cable according to claim 2, wherein two annular glue coating areas are arranged on the inner wall of the red copper ring (6), and the insulating heat-conducting elastic rubber core (7) is positioned between the two annular glue coating areas.
5. The multi-core high-temperature-resistant fire-resistant cable according to claim 4, wherein the annular glue smearing area is provided with a glue layer (8), and the red copper ring (6) is adhered to the outer wall of the insulating sheath (5) through the glue layer (8).
6. The multi-core high temperature resistant fire-proof cable according to claim 1, wherein the thickness of the flame-retardant rubber layer (2) is 2-3.5mm, and the thickness of the glass fiber layer (3) is 1-1.8mm.
7. A multi-core high temperature resistant fire-proof cable according to claim 2, characterized in that the distance between two adjacent of the plurality of the copper rings (6) is 25-35cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321377457.5U CN220155223U (en) | 2023-06-01 | 2023-06-01 | Multi-core high-temperature-resistant fire-proof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321377457.5U CN220155223U (en) | 2023-06-01 | 2023-06-01 | Multi-core high-temperature-resistant fire-proof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220155223U true CN220155223U (en) | 2023-12-08 |
Family
ID=89009467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321377457.5U Active CN220155223U (en) | 2023-06-01 | 2023-06-01 | Multi-core high-temperature-resistant fire-proof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220155223U (en) |
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2023
- 2023-06-01 CN CN202321377457.5U patent/CN220155223U/en active Active
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