CN217061554U - Flame-retardant high-temperature vulcanized silicone rubber flexible cable - Google Patents
Flame-retardant high-temperature vulcanized silicone rubber flexible cable Download PDFInfo
- Publication number
- CN217061554U CN217061554U CN202123256545.3U CN202123256545U CN217061554U CN 217061554 U CN217061554 U CN 217061554U CN 202123256545 U CN202123256545 U CN 202123256545U CN 217061554 U CN217061554 U CN 217061554U
- Authority
- CN
- China
- Prior art keywords
- layer
- retardant
- flame
- cable
- temperature
- 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
Images
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a flame-retardant high-temperature vulcanized silicone rubber flexible cable, which comprises a conductor; the conductor is externally extruded with insulating layers, the three insulating layers are embedded in the high-temperature-resistant filling layer, and the insulating layer is externally extruded with a sheath layer; flame-retardant separation belts positioned among the three insulating layers are arranged inside the high-temperature-resistant filling layer, and the outer surfaces of the insulating layers among the flame-retardant separation belts are wrapped with flame-retardant wrapping layers which are connected with each other; the utility model discloses well parcel all adopts the silicon rubber material of high temperature vulcanization at the insulating layer of conductor surface and the restrictive coating of the whole surface of parcel in the cable for the cable has the conductor can be at the thermal-insulated effect of dual heat preservation, set up fire-retardant median and parcel can play omnidirectional fire-retardant protection at the fire-retardant parcel layer on cable core surface between the high temperature resistant packing between three cable cores in addition, and can carry out the subregion to the cable core of difference and keep apart, can not influence the normal work of other cable cores when making local cable core in the cable to be heated and damaged.
Description
Technical Field
The utility model relates to the technical field of cables, specifically be a fire-retardant high temperature silicon sulfide rubber flexible cable.
Background
The high-temperature vulcanized silicone rubber is the most widely applied variety in silicone rubber, and most of the silicone rubbers with various high performance and special purposes which are continuously emerged in recent years take the vulcanized silicone rubber as the base rubber, and the silicone rubber has excellent high and low temperature resistance, weather resistance, electrical insulation, physiological inertia and the like, and is widely applied to the industries of aerospace, electronics and electricity, buildings, automobile machinery and the like, and the fields of medical health and daily life. The main application forms of the silicon rubber are various vulcanized products, including various rubber plates, gaskets, leather cups, valves, membranes, shock absorbers, electric plugs, rubber rollers, potentiometer insulating sleeves, wave guide tubes, keys and the like in molded products; various rubber tubes, rubber strips, rubber ropes, wire and cable sheathing and the like in extruded products.
The existing high-temperature vulcanized silicone rubber cable has the following defects:
1. the existing high-temperature vulcanized silicone rubber cable is generally only made of an ordinary cable outer protective sleeve, the cable is improved to a certain extent in flame retardance, and when the cable is used for dealing with a high-temperature and high-heat environment, the cable is easy to partially damage and influence the overall work of the cable due to the fact that an inner conductor is not further partitioned and protected in a heat insulation mode, and the comprehensive flame-retardant and high-temperature-resistant protection cannot be achieved.
2. Although softness can meet the use requirement when the existing high-temperature vulcanized silicone rubber cable is used, the existing high-temperature vulcanized silicone rubber cable has certain defects in the aspect of tensile resistance and is easy to tear due to overlarge tensile force.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fire-retardant high temperature silicon sulfide rubber flexible cable to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: a flame-retardant high-temperature vulcanized silicone rubber flexible cable comprises a conductor; the conductor is externally extruded with insulating layers, the three insulating layers are embedded in the high-temperature-resistant filling layer, the outer surface of the high-temperature-resistant filling layer is wrapped with a cable core wrapping layer, the outer surface of the cable core wrapping layer is wrapped with an aluminum-plastic composite tape wrapping layer, a shielding layer is woven on the outer surface of the aluminum-plastic composite tape wrapping layer, the outer surface of the shielding layer is wrapped with an isolating layer, and the isolating layer is externally extruded with a sheath layer;
flame-retardant dividing strips positioned among the three insulating layers are arranged inside the high-temperature-resistant filling layer, and the outer surfaces of the insulating layers among the flame-retardant dividing strips are wrapped with flame-retardant wrapping layers which are mutually connected;
the conductor is formed by an annealed bare copper wire or a tinned copper wire through crossed normal stranding.
Preferably, the insulating layer and the sheath layer are made of vulcanized silicone rubber, the cable core wrapping layer is made of mica tapes, and the overlapping rate is not lower than 30%.
Preferably, the overlapping rate of the aluminum-plastic composite tape wrapping layer is not less than 25% during wrapping, and the aluminum surface in the aluminum-plastic composite tape wrapping layer faces outwards.
Preferably, the shielding layer is made of a bare copper wire or a tinned copper wire, the diameter of each single wire is 0.10-0.20 mm, and the weaving density is not lower than 85%.
Preferably, the isolation layer adopts polytetrafluoroethylene area material, and the isolation layer overlap rate is not less than 30% when the package.
Preferably, a tensile reinforced core is embedded in the center of the high-temperature-resistant filling layer between the insulating layers and penetrates through the whole cable.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses well parcel all adopts the silicon rubber material of high temperature vulcanization at the insulating layer of conductor surface and the restrictive coating of the whole surface of parcel in the cable, make the cable have the conductor can be at the thermal-insulated effect of dual heat preservation, set up fire-retardant median and parcel can play omnidirectional fire-retardant protection at the fire-retardant parcel layer on cable core surface between the high temperature resistant packing between three cable cores in addition, and can carry out the subregion to the cable core of difference and keep apart, can not influence the normal work of other cable cores when making local cable core in the cable to be heated and damaged, thereby realize the fire-retardant high temperature protection of omnidirectional.
2. The utility model discloses in by the shielding layer that naked copper wire or tinned copper wire woven and the tensile enhancement core at isolation layer cooperation cable center of polytetrafluoroethylene material can guarantee the holistic tensile properties of cable, reduce the cable and appear crackle and tear the circumstances such as when tension is too big, and then slowed down the ageing of cable, guaranteed the life of cable.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a schematic view of the transverse cross-section structure of the present invention.
In the figure: 1. a conductor; 2. an insulating layer; 3. a high temperature resistant filler layer; 4. a cable core wrapping layer; 5. an aluminum-plastic composite tape wrapping layer; 6. a shielding layer; 7. an isolation layer; 8. a sheath layer; 9. a tensile reinforcement core; 10. a flame retardant wrapping layer; 11. a fire retardant separator.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
Referring to fig. 1-3, the present invention provides an embodiment: a flame-retardant high-temperature vulcanized silicone rubber flexible cable comprises a conductor 1; the conductor 1 is externally extruded with insulating layers 2, the three insulating layers 2 are embedded in a high-temperature-resistant filling layer 3, the outer surface of the high-temperature-resistant filling layer 3 is wrapped with a cable core wrapping layer 4, the outer surface of the cable core wrapping layer 4 is wrapped with an aluminum-plastic composite tape wrapping layer 5, a shielding layer 6 is woven on the outer surface of the aluminum-plastic composite tape wrapping layer 5, the outer surface of the shielding layer 6 is wrapped with an isolating layer 7, and a sheath layer 8 is extruded outside the isolating layer 7;
flame-retardant dividing strips 11 positioned among the three insulating layers 2 are arranged inside the high-temperature-resistant filling layer 3, and the outer surfaces of the insulating layers 2 among the flame-retardant dividing strips 11 are wrapped with flame-retardant wrapping layers 10 which are mutually connected;
the conductor 1 is formed by crossing and regularly twisting annealed bare copper wires or tinned copper wires;
specifically, a conductor 1 formed by crossed and regular stranding of annealed bare copper wires or tinned copper wires is softer relative to a copper wire conductor, an insulating layer 2 and a sheath layer 8 on the outer surface of the conductor 1 are made of high-temperature vulcanized silicone rubber materials, so that the double flame-retardant protection effect on the whole cable and the conductor 1 is realized, a high-temperature-resistant filling layer 3 can further improve the high-temperature resistance of the conductor 1 wrapped by the insulating layer 2, a cable core wrapping layer 4 can wrap and protect a cable core, an aluminum-plastic composite tape wrapping layer 5 can play a heat-insulating and corrosion-resistant effect, a shielding layer 6 can play a role in shielding signal interference and can play a role in tensile protection in cooperation with the aluminum-plastic composite tape wrapping layer 5, and the flame-retardant separation tape 11 can separate the conductor 1 wrapped by the three insulating layers 2, so that the normal use of other conductors is not influenced when a local conductor in the cable is damaged at high temperature, the flame retardant coating 10 may provide further flame retardant protection to the outer surface of the conductor 1.
Further, the insulating layer 2 and the sheath layer 8 are made of vulcanized silicone rubber, the cable core wrapping layer 4 is made of mica tape, and the overlapping rate is not lower than 30%;
specifically, the insulating layer 2 and the sheath layer 8 made of the vulcanized silicone rubber can play dual flame-retardant and heat-insulation effects, the cable core made of the mica tape can be protected against fire around the covering 4, and the overlapping rate is not lower than 30% so that the fireproof covering effect can be guaranteed.
Further, the overlapping rate of the aluminum-plastic composite tape wrapping layer 5 is not lower than 25% during wrapping, and the aluminum surface in the aluminum-plastic composite tape wrapping layer 5 faces outwards;
specifically, the aluminum-plastic composite tape wrapping layer 5 with the overlapping rate not lower than 25% can ensure the anti-corrosion effect, and the aluminum surface faces outwards to ensure the external heat insulation protection effect.
Further, the shielding layer 6 is made of a bare copper wire or a tinned copper wire, the diameter of each single wire is 0.10-0.20 mm, and the weaving density is not lower than 85%;
specifically, the shielding layer 6 made of bare copper wires or tinned copper wires can shield external high-voltage electric interference, and the shielding effect can be guaranteed by the weaving density of not less than 85%.
Further, the isolation layer 7 is made of polytetrafluoroethylene tape, and the overlapping rate of the isolation layer 7 in the wrapping process is not lower than 30%;
specifically, the polytetrafluoroethylene tape has low friction coefficient, chemical corrosion resistance and good sealing performance, so that the isolation layer 7 has high compressibility, unevenness and grooves outside the cable core shield can be easily filled, and the production of the silicone rubber sheath process is facilitated.
Furthermore, a tensile reinforced core 9 is embedded in the center of the high-temperature-resistant filling layer 3 between the insulating layers 2, and the tensile reinforced core 9 penetrates through the whole cable;
specifically, the tensile strength of the whole cable can be ensured by the tensile strength core 9 penetrating through the whole cable, and the service life of the cable is further ensured.
The working principle is as follows: during the use, conductor 1 that is formed by the alternately normal transposition of annealing bare copper wire or tinned copper wire is softer for copper conductor, consequently can be crooked when using to suitable angle use, insulating layer 2 and the restrictive coating 8 of 1 surface of conductor all adopt the silicon rubber material of high temperature vulcanization, thereby realize the double flame retardant protection effect to cable whole and conductor 1, high temperature resistant filling layer 3 can be to the further high temperature resistance of improvement of conductor 1 of insulating layer 2 parcel, when conductor 1 is burnt out because of high temperature in the part of cable, fire-retardant zonation 11 can be separated conductor 1 of three insulating layers 2 parcels, thereby guarantee in the cable that local conductor does not influence the normal use of other conductors when receiving high temperature damage, fire-retardant parcel layer 10 can be to the further fire-retardant protection of conductor 1's surface.
The details of the present invention are well known to those skilled in the art.
Finally, it is to be noted that: although the present invention has been described in detail with reference to the embodiments, those skilled in the art will understand that the technical solutions of the present invention can be modified and replaced with other solutions without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (6)
1. A flame-retardant high-temperature vulcanized silicone rubber flexible cable comprises a conductor (1); the method is characterized in that: the cable comprises a conductor (1), insulating layers (2) and three insulating layers (2), wherein the insulating layers (2) are arranged in a high-temperature-resistant filling layer (3) in an embedded mode, a cable core wrapping layer (4) is wrapped on the outer surface of the high-temperature-resistant filling layer (3), an aluminum-plastic composite tape wrapping layer (5) is wrapped on the outer surface of the cable core wrapping layer (4), a shielding layer (6) is woven on the outer surface of the aluminum-plastic composite tape wrapping layer (5), an isolation layer (7) is wrapped on the outer surface of the shielding layer (6), and a sheath layer (8) is arranged on the isolation layer (7) in an extruded mode;
flame-retardant dividing strips (11) positioned among the three insulating layers (2) are arranged inside the high-temperature-resistant filling layer (3), and the outer surfaces of the insulating layers (2) among the flame-retardant dividing strips (11) are wrapped with flame-retardant wrapping layers (10) which are connected with each other;
the conductor (1) is formed by crossing and regularly twisting annealed bare copper wires or tinned copper wires.
2. The flame-retardant high-temperature vulcanized silicone rubber flexible cable according to claim 1, characterized in that: the insulating layer (2) and the sheath layer (8) are both made of vulcanized silicone rubber, the cable core wrapping layer (4) is made of mica tapes, and the overlapping rate is not lower than 30%.
3. The flame-retardant high-temperature vulcanized silicone rubber flexible cable according to claim 1, characterized in that: the overlapping rate of the aluminum-plastic composite tape wrapping layer (5) is not less than 25% during wrapping, and the aluminum surface in the aluminum-plastic composite tape wrapping layer (5) faces outwards.
4. The flame-retardant high-temperature vulcanized silicone rubber flexible cable according to claim 1, characterized in that: the shielding layer (6) is made of bare copper wires or tinned copper wires, the diameter of each single wire is 0.10-0.20 mm, and the weaving density is not lower than 85%.
5. The flame-retardant high-temperature vulcanized silicone rubber flexible cable according to claim 1, characterized in that: isolation layer (7) adopt polytetrafluoroethylene to take the material, and isolation layer (7) overlap ratio when wrapping around the package is not less than 30%.
6. The flame-retardant high-temperature vulcanized silicone rubber flexible cable according to claim 1, characterized in that: and a tensile reinforced core (9) is embedded in the center of the high-temperature-resistant filling layer (3) between the insulating layers (2), and the tensile reinforced core (9) penetrates through the whole cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123256545.3U CN217061554U (en) | 2021-12-23 | 2021-12-23 | Flame-retardant high-temperature vulcanized silicone rubber flexible cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123256545.3U CN217061554U (en) | 2021-12-23 | 2021-12-23 | Flame-retardant high-temperature vulcanized silicone rubber flexible cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217061554U true CN217061554U (en) | 2022-07-26 |
Family
ID=82478692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123256545.3U Active CN217061554U (en) | 2021-12-23 | 2021-12-23 | Flame-retardant high-temperature vulcanized silicone rubber flexible cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217061554U (en) |
-
2021
- 2021-12-23 CN CN202123256545.3U patent/CN217061554U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104167254B (en) | Double-sheath high voltage connecting cable used in electric vehicle and provided with ultra-soft aluminum conductor and method for manufacturing double-sheath high voltage connecting cable | |
| CN104167251B (en) | High-voltage connecting cable provided with ultra-soft aluminum conductor and used in electric automobile and manufacturing method of high-voltage connecting cable | |
| CN214541663U (en) | High temperature resistant fireproof cable | |
| CN214671968U (en) | Fire-resistant waterproof type medium-voltage crosslinked polyethylene insulated environment-friendly power cable | |
| CN217061554U (en) | Flame-retardant high-temperature vulcanized silicone rubber flexible cable | |
| CN205943485U (en) | Double -deck crowded insulating radiation cross -linking does not altogether have steamed low fire -retardant power cable of cigarette | |
| CN210778009U (en) | Low-smoke halogen-free flame-retardant double-layer co-extrusion insulation irradiation crosslinked cable | |
| CN209912578U (en) | Novel cold-resistant cable | |
| CN210640007U (en) | Fireproof cable | |
| CN209674910U (en) | A kind of comprehensive cable of heatproof zone maritime monsoon weather | |
| CN215577745U (en) | Flame-retardant modified ternary silicone rubber insulated cable | |
| CN212587232U (en) | Low-smoke halogen-free wind energy power cable | |
| CN215577746U (en) | Modified ternary silicon rubber insulated cable | |
| CN216772884U (en) | Special anti-freezing overhead insulated cable for wind power generation | |
| CN212032704U (en) | Intrinsic safety explosion-proof computer cable | |
| CN216119645U (en) | Moisture-proof cable | |
| CN217655677U (en) | Environment-friendly fireproof ultra-flexible power cable | |
| CN217134049U (en) | Low-temperature-resistant oil-resistant flame-retardant polyvinyl chloride butyronitrile compound insulated cable | |
| CN210039691U (en) | Anti-aging high-temperature-resistant cable | |
| CN217485104U (en) | Modified polypropylene insulated cable | |
| CN218939312U (en) | 1.8/3kV rat and termite prevention power cable for wind energy | |
| CN212411653U (en) | Mineral insulated cable with fire-resistant embossing aluminum sheath | |
| CN211237763U (en) | High-performance metal sheath insulated flexible cable | |
| CN217902774U (en) | Special high-temperature-resistant flexible power cable | |
| CN219832268U (en) | Compression-resistant flame-retardant cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Flame retardant high-temperature vulcanized silicone rubber flexible cable Effective date of registration: 20221115 Granted publication date: 20220726 Pledgee: Qingyang sub branch of Jiangsu Jiangyin Rural Commercial Bank Co.,Ltd. Pledgor: Jiangyin Haosheng electrical cable manufacturing Co.,Ltd. Registration number: Y2022320010684 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |