CN220106073U - Ceramic high-flexibility fireproof cable - Google Patents
Ceramic high-flexibility fireproof cable Download PDFInfo
- Publication number
- CN220106073U CN220106073U CN202321572826.6U CN202321572826U CN220106073U CN 220106073 U CN220106073 U CN 220106073U CN 202321572826 U CN202321572826 U CN 202321572826U CN 220106073 U CN220106073 U CN 220106073U
- Authority
- CN
- China
- Prior art keywords
- cable
- rubber
- sleeve
- insulating layer
- filling layer
- 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.)
- Active
Links
- 239000000919 ceramic Substances 0.000 title claims abstract description 23
- 229920001971 elastomer Polymers 0.000 claims abstract description 92
- 239000005060 rubber Substances 0.000 claims abstract description 92
- 238000009413 insulation Methods 0.000 claims abstract description 24
- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims description 22
- 239000004020 conductor Substances 0.000 claims description 20
- 238000005299 abrasion Methods 0.000 claims description 10
- 229920002379 silicone rubber Polymers 0.000 claims description 10
- 239000003365 glass fiber Substances 0.000 claims description 9
- 239000004698 Polyethylene Substances 0.000 claims description 8
- 239000011490 mineral wool Substances 0.000 claims description 8
- -1 polyethylene Polymers 0.000 claims description 8
- 229920000573 polyethylene Polymers 0.000 claims description 8
- 239000004945 silicone rubber Substances 0.000 claims description 6
- 229920000459 Nitrile rubber Polymers 0.000 claims description 4
- 230000009970 fire resistant effect Effects 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 68
- 239000000463 material Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000002035 prolonged effect Effects 0.000 description 7
- 238000001125 extrusion Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 229920005549 butyl rubber Polymers 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000008054 signal transmission Effects 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
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model provides a ceramic high-flexibility fireproof cable, which relates to the technical field of cables and comprises a plurality of cable cores, wherein an insulating layer is arranged outside the cable cores, a heat insulation sleeve is arranged outside the insulating layer, a protecting sleeve is arranged outside the heat insulation sleeve, a first filling layer is arranged inside the insulating layer, a plurality of compression resistant components are arranged between the heat insulation sleeve and the protecting sleeve, each compression resistant component comprises a plurality of first rubber pads, the plurality of first rubber pads are all arranged outside the heat insulation sleeve, a plurality of second rubber pads are arranged on the inner wall of the protecting sleeve, and through holes are formed in the surfaces of the first rubber pads and the second rubber pads.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a ceramic high-flexibility fireproof cable.
Background
The cable is an electric energy or signal transmission device, and is usually composed of several or several groups of wires, and can transmit electric power or information from one place to another place.
The utility model of patent application number CN202222135752.1 discloses a ceramic insulating flexible fireproof cable, which comprises a cable core formed by a wire core; the wire core is formed by wrapping an insulating layer outside a conductor. The insulating layer is formed by extruding ceramic silicon rubber; the cable core is formed by twisting a plurality of cable cores, and the central gap is filled with a filling material; the cable core is sequentially wrapped with a fire-resistant protective layer, a wrapping layer and an outer sheath from inside to outside; the improved structure has the advantages that the fire-resistant temperature of the cable can be improved, the burning time is prolonged, and the laying and the installation are more convenient. However, when the structure is specifically used, the cable is easy to be stepped on by pedestrians or rolled by vehicles in the process of installation and laying, the cable core inside the cable is easy to be damaged, a plurality of workers are required to drag the cable in the process of installation, the outer surface of the cable is easy to be worn, and the service life of the cable is influenced.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming the defects in the prior art and providing a ceramic high-flexibility fireproof cable.
The utility model is realized by the following technical scheme:
the utility model provides a pottery high flexibility fireproof cable, includes a plurality of cable cores, and the cable core outside is provided with the insulating layer, and the insulating layer outside is provided with the insulating sheath, and the insulating sheath outside is provided with the lag, and the insulating layer inside is provided with first filling layer, and first filling layer is made by rock wool material, and the cable core is connected with the insulating layer through first filling layer, is provided with a plurality of compression-resistant components between lag and the lag; the compression resistance assembly comprises a plurality of first rubber pads, the outside at the insulating sleeve is all installed to a plurality of first rubber pads, and the lag inner wall is provided with a plurality of second rubber pads, and the surface of first rubber pad and second rubber pad all is provided with the through-hole, and first rubber pad and second rubber pad cross section shape all set up to the arc, and the cambered surface of first rubber pad and second rubber pad laminating each other.
It can be seen that in the above-mentioned technical scheme, the first filling layer of being made by rock wool material can wrap up the cable core in the inside of insulating layer to can avoid the cable core to receive the influence of intensity of a fire, simultaneously, the mutual extrusion of first rubber pad and second rubber pad is buffered, can improve the compressive resistance of cable.
Optionally, in one possible embodiment, the cable core specifically includes a plurality of conductors, a rubber sleeve is disposed outside the conductors, a second filling layer is disposed inside the rubber sleeve, the second filling layer is glass fiber glue, and the conductors are connected with the rubber sleeve through the second filling layer. It can be seen that in the above-mentioned technical scheme, the second filling layer wraps up a plurality of conductors and fills in the inside of rubber sleeve, reaches the use of whole cable core, and the second filling layer that sets up by glass fiber can improve the fireproof effect of single cable core, avoids the cable core to receive the damage.
Optionally, in one possible embodiment, a plurality of anti-wear ribs are provided on the outer portion of the protective sleeve, the cross section of each anti-wear rib is trapezoidal, and each anti-wear rib is made of nitrile rubber material. According to the technical scheme, the plurality of anti-abrasion protrusions outside the protective sleeve can prevent the cable from being contacted with the ground to generate friction in the dragging process as far as possible, so that the damage of the outer surface of the cable caused by friction is avoided, the anti-abrasion protrusions made of nitrile rubber materials have certain wear resistance, and the service life of the cable is prolonged.
Alternatively, in one possible embodiment, both the insulating layer and the protective sleeve are made of ceramic silicone rubber, and the insulating sleeve is made of polyethylene material. According to the technical scheme, the insulating layer and the protective sleeve which are made of the ceramic silicon rubber can block fire, so that the cable core inside the insulating layer can not be affected by the fire, the insulating sleeve made of the polyethylene material can block external heat, the cable is prevented from melting under the condition of high temperature, and the service life of the cable is prolonged.
The beneficial effects of the utility model are as follows:
(1) External pressure that the cable received can cushion through the mutual extrusion of first rubber pad and second rubber pad, can improve the compressive resistance that the cable used, avoids the cable to trample and roll in the installation, leads to the fact the influence to the cable core of cable inside.
(2) The outside a plurality of abrasionproof archs of lag can avoid the cable to drag the in-process and contact with ground and produce the friction as far as possible, avoids the surface of cable to lead to the fact the damage because of the friction, improves cable life.
(3) The first filling layer can wrap the cable core in the insulating layer, can avoid the cable core to receive the influence of the fire, simultaneously, insulating layer and lag can block the fire, guarantee that its inside cable core can not receive the influence of the fire, the lag can block external heat, avoid the cable to take place to melt under the circumstances of high temperature, improve the life of cable, the second filling layer wraps a plurality of conductors and fills the inside at the rubber sleeve, can improve the fireproof effect of single cable core, guarantee that the cable has certain fire resistance when using, heat insulation and fire resistance
Drawings
Fig. 1 is a schematic view of the overall structure of the present utility model.
Fig. 2 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.
FIG. 3 is a schematic view of the connection structure of the protective sleeve and the anti-wear protrusions of the present utility model.
Fig. 4 is a schematic view of the internal structure of the cable core of the present utility model.
In the figure: 1. a cable core; 2. an insulating layer; 3. a heat insulating sleeve; 4. a protective sleeve; 5. a first filler layer; 6. a first rubber pad; 7. a second rubber pad; 8. a through hole; 10. a conductor; 11. a rubber sleeve; 12. a second filler layer; 9. anti-wear convex strip
Detailed Description
The present utility model will be described in further detail below with reference to the drawings and preferred embodiments, so that those skilled in the art can better understand the technical solutions of the present utility model. All other embodiments, based on the embodiments of the utility model, which would be apparent to one of ordinary skill in the art without making any inventive effort are intended to be within the scope of the utility model.
Example 1,
As shown in fig. 1-4, the embodiment provides a ceramic high-flexibility fireproof cable, which comprises a plurality of cable cores 1, wherein an insulating layer 2 is arranged outside the cable cores 1, a heat insulation sleeve 3 is arranged outside the insulating layer 2, a protective sleeve 4 is arranged outside the heat insulation sleeve 3, a first filling layer 5 is arranged inside the insulating layer 2, and a plurality of compression-resistant components are arranged between the heat insulation sleeve 3 and the protective sleeve 4; the compression-resistant assembly comprises a plurality of first rubber pads 6, the plurality of first rubber pads 6 are all installed outside the heat insulation sleeve 3, a plurality of second rubber pads 7 are arranged on the inner wall of the protective sleeve 4, through holes 8 are formed in the surfaces of the first rubber pads 6 and the second rubber pads 7, the cross sections of the first rubber pads 6 and the second rubber pads 7 are arc-shaped, and the arc-shaped surfaces of the first rubber pads 6 and the second rubber pads 7 are mutually attached; when the cable receives the pressure, make to produce certain pressure between insulation cover 3 and the lag 4, and this pressure can be through the mutual extrusion of first rubber pad 6 and second rubber pad 7 and reach certain cushioning effect, after first rubber pad 6 and the mutual extrusion of second rubber pad 7, its inside air is discharged through hole 8, and after the cable pressure disappeared, air reentry first rubber pad 6 and the inside of second rubber pad 7, first rubber pad 6 and second rubber pad 7 reset, the compressive resistance that improves the cable used, first filling layer 5 is made by rock wool material, cable core 1 is connected with insulating layer 2 through first filling layer 5, insulating layer 2 and lag 4 are made by ceramic silicone rubber, insulation cover 3 is made by the polyethylene material, first filling layer 5 made by rock wool material can wrap up cable core 1 in insulating layer 2's inside, and can avoid cable core 1 to receive the influence of fire, simultaneously, insulating layer 2 and lag 4 made by ceramic silicone rubber can block the fire, guarantee that its inside cable core 1 can not receive the influence of heat, can take place under the high temperature condition that the cable is difficult to be made by the insulation cover 3, can the life-span of time, the cable can be improved.
It can be seen that in the above technical scheme, the pressure that the cable received can be buffered through the mutual extrusion of first rubber pad 6 and second rubber pad 7, can improve the compressive resistance that the cable used, can further improve the fire resistance, thermal insulation and the fire resistance of this cable moreover, guarantees that the cable normally uses under the environment of fire.
Further, the cable core 1 specifically includes a plurality of conductors 10, the outside of conductor 10 is provided with rubber cover 11, the inside of rubber cover 11 is provided with second filling layer 12, second filling layer 12 is glass fiber glue, conductor 10 is connected with rubber cover 11 through second filling layer 12, and second filling layer 12 wraps up a plurality of conductors 10 and fills in the inside of rubber cover 11, reaches the use of whole cable core 1, and the second filling layer 12 by glass fiber setting can improve the fireproof effect of single cable core 1, avoids cable core 1 to receive the damage.
The specific principle of the embodiment is as follows:
when the cable is subjected to pressure, a certain pressure is generated between the heat insulation sleeve 3 and the protective sleeve 4, the pressure can be mutually extruded through the first rubber gasket 6 and the second rubber gasket 7, a certain buffer effect is achieved, after the first rubber gasket 6 and the second rubber gasket 7 are mutually extruded, air in the cable is discharged through the through hole 8, and after the pressure of the cable disappears, the air reenters the first rubber gasket 6 and the second rubber gasket 7, so that the compression resistance of the cable is improved;
and the first filling layer 5 made of rock wool material can wrap up cable core 1 in the inside of insulating layer 2 to can avoid cable core 1 to receive the influence of intensity of a fire, simultaneously, insulating layer 2 and lag 4 made by ceramic silicone rubber can block the intensity of a fire, guarantee that its inside cable core 1 can not receive the influence of intensity of a fire, the insulating sheath 3 made of polyethylene material can block outside heat, avoid the cable to take place to melt under the circumstances of high temperature, improve the life of cable, the second filling layer 12 is packed up a plurality of conductors 10 in the inside of rubber sleeve 11, reach the use of whole cable core 1, the second filling layer 12 that is set up by glass fiber can improve the fireproof effect of single cable core 1, avoid cable core 1 to receive the damage.
EXAMPLE 2,
As shown in fig. 1-4, this embodiment provides a ceramic high-flexibility fireproof cable, including a plurality of cable cores 1, an insulating layer 2 is disposed outside the cable cores 1, a heat insulation sleeve 3 is disposed outside the insulating layer 2, a protecting sleeve 4 is disposed outside the heat insulation sleeve 3, a first filling layer 5 is disposed inside the insulating layer 2, the cable cores 1 specifically include a plurality of conductors 10, a rubber sleeve 11 is disposed outside the conductors 10, a second filling layer 12 is disposed inside the rubber sleeve 11, the second filling layer 12 is glass fiber cement, the conductors 10 are connected with the rubber sleeve 11 through the second filling layer 12, the second filling layer 12 wraps and fills the plurality of conductors 10 inside the rubber sleeve 11, so that the use of the whole cable cores 1 is achieved, the second filling layer 12 disposed by glass fiber can improve the fireproof effect of the single cable core 1, and avoid the cable cores 1 from being damaged, and a plurality of components are disposed between the heat insulation sleeve 3 and the protecting sleeve 4; the compression-resistant assembly comprises a plurality of first rubber pads 6, the plurality of first rubber pads 6 are all installed outside the heat insulation sleeve 3, a plurality of second rubber pads 7 are arranged on the inner wall of the protective sleeve 4, through holes 8 are formed in the surfaces of the first rubber pads 6 and the second rubber pads 7, the cross sections of the first rubber pads 6 and the second rubber pads 7 are arc-shaped, and the arc-shaped surfaces of the first rubber pads 6 and the second rubber pads 7 are mutually attached; the cable core 1 is connected with the insulating layer 2 through the first filling layer 5, the insulating layer 2 and the protective sleeve 4 are made of ceramic silicon rubber, the insulating sleeve 3 is made of polyethylene, the first filling layer 5 made of the rock wool material can wrap the cable core 1 inside the insulating layer 2, and can avoid the cable core 1 to be influenced by fire, meanwhile, the insulating layer 2 made of the ceramic silicon rubber and the protective sleeve 4 can block the fire, the cable core 1 inside the cable core can not be influenced by fire, the insulating sleeve 3 made of the polyethylene material can block external heat, the cable is prevented from melting under the condition of high temperature, the service life of the cable is prolonged, a plurality of anti-abrasion raised strips are arranged outside the protective sleeve 4, the cross section of the anti-abrasion raised strips is set to be trapezoid, the anti-abrasion raised strips are made of the butyl rubber, a plurality of anti-abrasion raised protrusions 9 outside the protective sleeve 4 can prevent the cable from being pulled by the cable to be contacted with the ground as far as possible, the wear-resistant raised surface of the cable is prevented from being worn by the butyl rubber, and the wear-resistant raised surface is prevented from being worn by the cable to be worn by the outside the cable, and the wear-resistant process is prolonged due to the fact that the friction is caused by the wear-resistant raised by the cable is made of the butadiene rubber.
It can be seen that in the above technical scheme, the mutual extrusion of the first rubber pad 6 and the second rubber pad 7 is buffered, so that the compression resistance of the cable can be improved, the fire resistance, the heat insulation and the flame retardance of the cable can be further improved, the normal use of the cable under the environment of fire is ensured, meanwhile, the plurality of anti-abrasion protrusions 9 outside the protective sleeve 4 can avoid the friction generated by the contact of the cable with the ground in the dragging process as much as possible, the damage of the outer surface of the cable caused by friction is avoided, and the service life of the cable is prolonged.
The specific principle of the embodiment is as follows:
when the cable is used, when the cable is subjected to pressure, certain pressure is generated between the heat insulation sleeve 3 and the protective sleeve 4, the pressure can be mutually extruded through the first rubber gasket 6 and the second rubber gasket 7 to achieve a certain buffering effect, after the first rubber gasket 6 and the second rubber gasket 7 are mutually extruded, air in the cable is discharged through the through hole 8, after the pressure of the cable disappears, the air reenters the first rubber gasket 6 and the second rubber gasket 7, and the first rubber gasket 6 and the second rubber gasket 7 are reset to improve the compression resistance of the cable;
the cable core 1 can be wrapped in the insulating layer 2 by the first filling layer 5 made of rock wool, the cable core 1 can be prevented from being influenced by fire, meanwhile, the insulating layer 2 and the protective sleeve 4 made of ceramic silicone rubber can block the fire, the cable core 1 in the cable core can not be influenced by the fire, the heat insulation sleeve 3 made of polyethylene can block external heat, the cable is prevented from being melted under the condition of high temperature, the service life of the cable is prolonged, the plurality of conductors 10 are wrapped and filled in the rubber sleeve 11 by the second filling layer 12, the use of the whole cable core 1 is achieved, the fireproof effect of the single cable core 1 can be improved, and the cable core 1 is prevented from being damaged by the second filling layer 12 arranged of glass fiber;
the outside a plurality of abrasionproof protruding 9 of lag 4 can avoid the cable to drag the in-process and contact with ground and produce the friction as far as possible, avoids the surface of cable to lead to the fact the damage because of the friction, and the abrasionproof protruding 9 of making by nitrile rubber material has certain wearability moreover, improves cable life.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (7)
1. The ceramic high-flexibility fireproof cable is characterized by comprising a plurality of cable cores, wherein an insulating layer is arranged outside the cable cores, a heat insulation sleeve is arranged outside the insulating layer, a protective sleeve is arranged outside the heat insulation sleeve, a first filling layer is arranged inside the insulating layer, and a plurality of compression-resistant components are arranged between the heat insulation sleeve and the protective sleeve; the compression-resistant assembly comprises a plurality of first rubber pads, the plurality of first rubber pads are all installed outside the insulating sleeve, the lag inner wall is provided with a plurality of second rubber pads, the surface of first rubber pad and second rubber pad all is provided with the through-hole.
2. The ceramic high-flexibility fireproof cable according to claim 1, wherein the cable core specifically comprises a plurality of conductors, a rubber sleeve is arranged outside the conductors, and a second filling layer is arranged inside the rubber sleeve.
3. The ceramic high-flexibility fireproof cable according to claim 2, wherein the second filling layer is glass fiber glue, and the conductor is connected with the rubber sleeve through the second filling layer.
4. The ceramic high-flexibility fireproof cable according to claim 1, wherein the first filling layer is made of rock wool, and the cable core is connected with the insulating layer through the first filling layer.
5. The ceramic high-flexibility fireproof cable according to claim 1, wherein a plurality of anti-abrasion raised strips are arranged outside the protective sleeve, the cross section of each anti-abrasion raised strip is trapezoidal, and each anti-abrasion raised strip is made of nitrile rubber.
6. The ceramified highly flexible fire-resistant cable of claim 1, wherein the insulating layer and the protective jacket are both made of ceramified silicone rubber, and the insulating jacket is made of polyethylene.
7. The ceramic high-flexibility fireproof cable according to claim 1, wherein the cross-sectional shapes of the first rubber pad and the second rubber pad are arc-shaped, and the arc surfaces of the first rubber pad and the second rubber pad are mutually attached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321572826.6U CN220106073U (en) | 2023-06-20 | 2023-06-20 | Ceramic high-flexibility fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321572826.6U CN220106073U (en) | 2023-06-20 | 2023-06-20 | Ceramic high-flexibility fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220106073U true CN220106073U (en) | 2023-11-28 |
Family
ID=88866109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321572826.6U Active CN220106073U (en) | 2023-06-20 | 2023-06-20 | Ceramic high-flexibility fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220106073U (en) |
-
2023
- 2023-06-20 CN CN202321572826.6U patent/CN220106073U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108447610B (en) | Flame-retardant fireproof cable and manufacturing method thereof | |
| CN209947499U (en) | High-flame-retardant low-release B1 cable with oxygen-isolating layer structure | |
| CN220106073U (en) | Ceramic high-flexibility fireproof cable | |
| CN206532614U (en) | Middle pressure optical fiber composite cable is laid after a kind of new light unit | |
| CN212161364U (en) | High-elasticity anti-extrusion fireproof cable | |
| CN214253948U (en) | Energy-saving environment-friendly high-flame-retardant fire-resistant medium-voltage cable | |
| CN211788311U (en) | High-fire-resistance underground cable | |
| CN211529689U (en) | Flame-retardant and fire-resistant power cable containing ceramic fire-resistant material | |
| KR200273482Y1 (en) | Unified cable | |
| CN106653173A (en) | Novel middle-voltage optical fiber composite cable laid behind optical unit | |
| CN220020694U (en) | Flexible protective layer fireproof cable | |
| CN220121532U (en) | Medium-voltage fire-resistant aluminum alloy power cable | |
| CN218826342U (en) | Flame-retardant fire-resistant environment-friendly medium-voltage power cable | |
| CN219497395U (en) | 27.5kV single-phase alternating-current flame-retardant waterproof environment-friendly electrified railway power cable | |
| CN108231258A (en) | A kind of multicore aluminium alloy conductor fireproof cable | |
| CN209928998U (en) | Flexible mineral insulated cable | |
| CN214796799U (en) | Improved flexible mineral insulated cable | |
| CN211957213U (en) | High temperature resistant fireproof cable | |
| CN213691491U (en) | Fire-resistant crooked flexible cable | |
| CN220509751U (en) | Longitudinally-covered copper sheath fire-resistant cable | |
| CN218729963U (en) | Waterproof anti-cracking pre-branch cable | |
| CN219122986U (en) | Flexible fireproof cable | |
| CN211507183U (en) | High-temperature-resistant mineral-insulated fireproof cable | |
| CN220121533U (en) | Composite insulating flame-retardant fireproof environment-friendly cable | |
| CN216450417U (en) | Novel tensile cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |