CN212750458U - High-flame-retardancy crosslinked polyethylene cable - Google Patents
High-flame-retardancy crosslinked polyethylene cable Download PDFInfo
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- CN212750458U CN212750458U CN202021639168.4U CN202021639168U CN212750458U CN 212750458 U CN212750458 U CN 212750458U CN 202021639168 U CN202021639168 U CN 202021639168U CN 212750458 U CN212750458 U CN 212750458U
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Abstract
The utility model discloses a crosslinked polyethylene cable of high fire resistance, including the cable core, the surface of cable core is wrapped up in and is covered the insulating layer, the surface of insulating layer is wrapped up in and is covered at the oxygen layer that separates, the outer fixed surface on oxygen layer connects high temperature resistant layer, the surface top on high temperature resistant layer sets up the fire prevention plastic slab, the fire-retardant layer of outer fixed surface connection of fire prevention plastic slab, the outer fixed surface on fire-retardant layer connects the wearing layer. The device can increase the fire resistance of cable, protects through the both sides that set up fire prevention plastic slab and fire-retardant layer, can prevent the burning of cable, through setting up high temperature resistant layer, can avoid the high temperature to the damage of cable core, through setting up the oxygen layer that separates, can further protect the cable core to make things convenient for the use of cable.
Description
Technical Field
The utility model belongs to the technical field of the cable, concretely relates to high flame retardant crosslinked polyethylene cable.
Background
The general cable sheath is made of insulating materials, and the traditional insulating materials basically have no fireproof function, so that the insulating materials can be damaged under the condition of fire, the insulating function of the cable sheath is lost, and safety accidents are easy to happen.
The Chinese patent with the application number of [ CN201921336561.3 ], the content is: the utility model provides a fire prevention fire resistance cable, includes the sinle silk, the surface covering of sinle silk has the filling layer, the surface covering of filling layer has the insulating layer, the surface covering of insulating layer has electromagnetic shielding layer, electromagnetic shielding layer's surface covering has the flame retardant coating, the surface covering of flame retardant coating has flame retardant coating.
Although the problem that the conventional insulating material does not have a fireproof function basically is solved in the comparison document, the comparison document only has a flame-retardant effect through the graphene flame-retardant EPS, and once the structure of the graphene flame-retardant EPS is damaged, the cable does not have flame retardancy, so that the cable is damaged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cross-linked polyethylene cable of high fire resistance to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cross-linked polyethylene cable of high fire resistance, includes the cable core, the surface of cable core is wrapped up in and is covered the insulating layer, the surface of insulating layer is wrapped up in and is covered at the oxygen layer, the outer fixed surface on oxygen layer connects high temperature resistant layer, the surface top on high temperature resistant layer sets up the fire prevention plastic slab, the fire-retardant layer of outer fixed surface of fire prevention plastic slab connection, the outer fixed surface on fire-retardant layer connects the wearing layer.
Preferably, the surface on high temperature resistant layer sets up a plurality of rubber slab, every the surface joint metal casing of rubber slab, a side fixed connection spring of metal casing.
Preferably, the outer surface of the wear-resistant layer is coated with a flame retardant, and the surface of the wear-resistant layer and the flame retardant are bonded with convex particles.
Preferably, the bottom surface of the high temperature resistant layer is fixedly connected with a support rod, the bottom of the support rod is fixedly connected with an oxygen insulation layer, and fireproof filler is filled between the high temperature resistant layer and the oxygen insulation layer.
Preferably, the end face of the wear-resistant layer is fixedly connected with the protective layer, and the cable core penetrates through the protective layer.
The utility model discloses a technological effect and advantage: the utility model provides a cross-linked polyethylene cable of high flame retardance, separate the oxygen layer through setting up, protection cable core that can be fine, can not burnt, through setting up high temperature resistant layer, can protect the cable core not influenced by external temperature performance, through setting up fire prevention plastic slab and fire-retardant layer, can increase the fire behavior of cable, thereby guarantee the normal use of cable, through setting up metal casing and spring, can not only cross enough make the cable have certain toughness, can also have fire-retardant effect, the device can increase the flame retardance of cable, the live time of extension cable, and convenient for operation, and is simple.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the structure of the outer surface of the refractory layer.
In the figure: 1. a cable core; 2. an insulating layer; 3. an oxygen barrier layer; 4. a high temperature resistant layer; 5. a fireproof plastic panel; 6. a flame retardant layer; 7. a wear layer; 8. a rubber plate; 9. a metal housing; 10. a spring; 11. a support rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.
The utility model provides a high flame retardant crosslinked polyethylene cable as shown in figure 1-2, which comprises a cable core 1, the outer surface of the cable core 1 is wrapped by an insulating layer 2, when in specific use, the insulating layer 2, an oxygen isolation layer 3, a high temperature resistant layer 4, a fireproof plastic plate 5, a flame retardant layer 6 and a wear-resistant layer 7 outside the cable core 1 are tightly installed together, then a lateral protective layer is fixedly installed on the end surface of the wear-resistant layer 7, the insulating layer 2 is arranged on the outer surface of the cable core 1 to prevent electric leakage, so that workers can be well protected, the oxygen isolation layer 3 has certain flame retardant effect by fixedly installing the oxygen isolation layer 3 on the outer surface of the insulating layer 2, so that the insulating layer 2 and the cable core 1 can be protected, the support rod 11 is arranged on the outer surface of the oxygen isolation layer 3 to prevent the oxygen isolation layer 3 from being damaged by the upper temperature of the high temperature resistant layer 4 and a certain, can guarantee the use that separates oxygen layer 3 more, set up rubber slab 8 through the upper surface at high temperature resistant layer 4, and joint metal casing 9 on rubber slab 8, metal casing 9 can prevent the burning of rubber slab 8, through side fixed connection spring 10 at metal casing 9, can make the cable have certain toughness, also can not make external high temperature direct contact to high temperature resistant layer 4, in order to prolong its live time, upper surface fixed connection fire prevention plastic slab 5 through the top at high temperature resistant layer 4 and spring 10, fire prevention plastic slab 5's upper surface fixed connection fire-retardant layer 6, can increase the fire resistance of cable through two-layer fire-retardant structure, so that the normal use of cable.
It is specific, through setting up oxygen layer 3, protection cable core 1 that can be fine, can not burnt, through setting up high temperature resistant layer 4, can protect cable core 1 not receive external temperature influence performance, through setting up fire prevention plastic slab 5 and fire-retardant layer 6, can increase the fire behavior of cable, thereby guarantee the normal use of cable, through setting up metal casing 9 and spring 10, can not only cross enough make the cable have certain toughness, can also have fire-retardant effect, the device can increase the fire resistance of cable, the live time of extension cable, and convenient for operation, and is simple.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. The utility model provides a crosslinked polyethylene cable of high fire resistance, includes cable core (1), its characterized in that: insulating layer (2) are wrapped up in to the surface of cable core (1), the surface of insulating layer (2) is wrapped up in and is covered at oxygen layer (3), the outer fixed surface who separates oxygen layer (3) connects high temperature resistant layer (4), the surface top on high temperature resistant layer (4) sets up fire prevention plastic slab (5), the outer fixed surface of fire prevention plastic slab (5) connects fire-retardant layer (6), outer fixed surface of fire-retardant layer (6) connects wearing layer (7).
2. The high flame retardant crosslinked polyethylene cable according to claim 1, wherein: the surface on high temperature resistant layer (4) sets up a plurality of rubber slab (8), every the surface joint metal casing (9) of rubber slab (8), a side fixed connection spring (10) of metal casing (9).
3. The high flame retardant crosslinked polyethylene cable according to claim 1, wherein: the outer surface of the wear-resistant layer (7) is coated with a flame retardant, and the surface of the wear-resistant layer (7) and the flame retardant are bonded with convex particles.
4. The high flame retardant crosslinked polyethylene cable according to claim 1, wherein: the bottom surface fixed connection branch (11) of high temperature resistant layer (4), the bottom fixed connection of branch (11) separates oxygen layer (3), fill fire prevention filler between high temperature resistant layer (4) and the oxygen layer (3) that separates.
5. The high flame retardant crosslinked polyethylene cable according to claim 1, wherein: the end face of the wear-resistant layer (7) is fixedly connected with the protective layer, and the cable core (1) penetrates through the protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021639168.4U CN212750458U (en) | 2020-08-10 | 2020-08-10 | High-flame-retardancy crosslinked polyethylene cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021639168.4U CN212750458U (en) | 2020-08-10 | 2020-08-10 | High-flame-retardancy crosslinked polyethylene cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212750458U true CN212750458U (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021639168.4U Active CN212750458U (en) | 2020-08-10 | 2020-08-10 | High-flame-retardancy crosslinked polyethylene cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212750458U (en) |
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2020
- 2020-08-10 CN CN202021639168.4U patent/CN212750458U/en active Active
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