CN212847850U - Polyvinyl chloride insulation fire-resistant power cable - Google Patents
Polyvinyl chloride insulation fire-resistant power cable Download PDFInfo
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- CN212847850U CN212847850U CN202021644410.7U CN202021644410U CN212847850U CN 212847850 U CN212847850 U CN 212847850U CN 202021644410 U CN202021644410 U CN 202021644410U CN 212847850 U CN212847850 U CN 212847850U
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Abstract
The utility model discloses an insulating fire-resistant power cable of polyvinyl chloride, including protective layer and conducting wire, the inboard of protective layer is provided with the flame retardant coating, and the inboard of flame retardant coating is provided with the buffer layer, and the inboard of buffer layer is provided with the inner liner, and the inboard of inner liner is provided with the shielding layer, and the inboard of shielding layer is provided with the barrier layer, and the inside packing of barrier layer has the filler, and the center of filler is provided with the enhancement core, and the week side of strengthening the core is provided with a plurality of groups conducting wire, the utility model discloses well silica gel layer adopts hollow out construction, is provided with the dashpot, and inside is provided with the go-between, and the go-between plays, when keeping buffering.
Description
Technical Field
The utility model relates to a cable specifically is an insulating fire-resistant power cable of polyvinyl chloride.
Background
The electric wire and cable are used for transmitting electric (magnetic) energy, information and wire products for realizing electromagnetic energy conversion, the electric wire and cable in a broad sense is also called as a cable for short, along with the development of social economy, the varieties of the electric wire and cable are more and more, and the electric wire and cable is widely applied to various aspects such as industrial production, transportation, military equipment and facilities and the like.
However, the existing fireproof cable lacks a good stretching effect and is poor in stability and support. Therefore, the utility model provides an insulating fire-resistant power cable of polyvinyl chloride to solve the problem of proposing among the above-mentioned background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an insulating fire-resistant power cable of polyvinyl chloride 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 an insulating fire-resistant power cable of polyvinyl chloride, includes protective layer and conducting wire, the inboard of protective layer is provided with the flame retardant coating, and the inboard of flame retardant coating is provided with the buffer layer, and the inboard of buffer layer is provided with the inner liner, and the inboard of inner liner is provided with the shielding layer, and the inboard of shielding layer is provided with the barrier layer, and the inside packing of barrier layer has the filler, and the center of filler is provided with the enhancement core, and the week side of strengthening the core is provided with a plurality of groups.
As a further aspect of the present invention: the protective layer is made of high-flame-retardant low-smoke halogen-free materials.
As a further aspect of the present invention: the fireproof layer is made of polypropylene, outer convex points which are uniformly distributed are arranged on the outer side of the fireproof layer, and inner convex points which are uniformly distributed are arranged on the inner side of the fireproof layer.
As a further aspect of the present invention: the buffer layer contains silica gel layer and go-between, and the week side lamp interval on silica gel layer has seted up a plurality of dashpot, and the inside on silica gel layer is provided with the go-between.
As a further aspect of the present invention: the inner liner layer and the barrier layer are both made of polyvinyl chloride, and protection is achieved.
As a further aspect of the present invention: the shielding layer is a tin-copper material and has a net-shaped braided structure, the net-shaped braided structure has a good tensile resistance, and the stability and the stretchability of the metal material are improved.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in be provided with the flame retardant coating, the inboard and the outside of flame retardant coating all are provided with the bump, play firm skid-proof effect, prevent that the dislocation from wrinkling between each layer.
2. The utility model discloses well silica gel layer adopts hollow out construction, is provided with the dashpot, and inside is provided with the go-between, and the go-between plays, when keeping the tensile effect of buffering, and the go-between has played the effect of fine support.
Drawings
Fig. 1 is a schematic structural diagram of a polyvinyl chloride insulated fire-resistant power cable.
Fig. 2 is a schematic structural view of a fire-proof layer in a polyvinyl chloride insulating fire-resistant power cable.
Fig. 3 is a schematic cross-sectional structure view of a silica gel layer in a polyvinyl chloride insulating fire-resistant power cable.
Fig. 4 is a schematic side structure view of a silica gel layer in a polyvinyl chloride insulating fire-resistant power cable.
In the figure: 1. a protective layer; 2. a fire barrier layer; 201. an outer bump; 202. inner salient points; 3. a silica gel layer; 4. a connecting ring; 5. an inner liner layer; 6. a shielding layer; 7. a barrier layer; 8. a conductive line; 9. a filler; 10. a reinforcing core; 11. a buffer layer; 12. a buffer tank.
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.
Please refer to fig. 1-4, in the embodiment of the present invention, an insulating fire-resistant power cable of polyvinyl chloride, including protective layer 1 and conducting wire 8, the inboard of protective layer 1 is provided with flame retardant coating 2, and the inboard of flame retardant coating 2 is provided with buffer layer 11, and the inboard of buffer layer 11 is provided with inner liner 5, and the inboard of inner liner 5 is provided with shielding layer 6, and shielding layer 6's inboard is provided with barrier layer 7, and the inside packing of barrier layer 7 has filler 9, and the center of filler 9 is provided with and strengthens core 10, and the week side of strengthening core 10 is provided with a plurality of groups conducting wire 8.
Further, the material of the protection layer 1 is high flame retardant, low smoke and zero halogen, the material of the fire-proof layer 2 is polypropylene, outer convex points 201 which are uniformly distributed are arranged on the outer side of the fire-proof layer 2, and inner convex points 202 which are uniformly distributed are arranged on the inner side of the fire-proof layer. Buffer layer 11 contains silica gel layer 3 and go-between 4, and a plurality of dashpot 12 has been seted up to the all side lamp intervals on silica gel layer 3, and the inside on silica gel layer 3 is provided with go-between 4, inner liner 5 and barrier layer 7 are polyvinyl chloride, shielding layer 6 presents netted braided structure for the tin copper material.
Specifically, the utility model provides a protective layer 1 is high fire-retardant low smoke and zero halogen material, the volume of discharging fume when low smoke and zero halogen material is heated is low, reducible toxicity that produces when it burns, corrosive gas, the material of flame retardant coating 2 is the polyethylene, flame retardant efficiency has, shielding layer 6 is compiled for the tin copper material, in having anti-interference effect concurrently, certain extensibility has simultaneously, the effect of buffering and protection has been increased, buffer layer 11 contains silica gel layer 3 and inside go-between 4, buffer slot 12 has been seted up to silica gel layer 3's week side, increase the effect of its buffering, inside go-between 4 that is provided with simultaneously, the effect of strengthening rib is played, increase its stability.
The utility model discloses a theory of operation is:
the utility model provides a protective layer 1 is high fire-retardant low smoke and zero halogen material, the volume of discharging fume when low smoke and zero halogen material is heated is low, reducible toxicity that produces when it burns, corrosive gas, the material of flame retardant coating 2 is the polyethylene, flame retardant efficiency has, shielding layer 6 is compiled for the tin copper material, in the effect of having anti-interference concurrently, certain extensibility has simultaneously, the effect of buffering and protection has been increased, buffer layer 11 contains silica gel layer 3 and inside go-between 4, buffer tank 12 has been seted up to silica gel layer 3's week side, increase the effect of its buffering, inside go-between 4 that is provided with simultaneously, the effect of strengthening rib is played, increase its stability.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an insulating fire-resistant power cable of polyvinyl chloride, includes protective layer (1) and conduction line (8), a serial communication port, the inboard of protective layer (1) is provided with flame retardant coating (2), the inboard of flame retardant coating (2) is provided with buffer layer (11), the inboard of buffer layer (11) is provided with inner liner (5), the inboard of inner liner (5) is provided with shielding layer (6), the inboard of shielding layer (6) is provided with barrier layer (7), the inside packing of barrier layer (7) has filler (9), the center of filler (9) is provided with strengthens core (10), it is provided with a plurality of groups conduction line (8) to strengthen the week side of core (10).
2. The polyvinyl chloride insulated fire-resistant power cable according to claim 1, wherein the material of the protective layer (1) is high flame-retardant, low smoke and halogen-free.
3. The polyvinyl chloride insulated fire-resistant power cable according to claim 1, wherein the fire-resistant layer (2) is made of polypropylene, and the fire-resistant layer (2) is provided with uniformly distributed outer salient points (201) on the outer side and uniformly distributed inner salient points (202) on the inner side.
4. The polyvinyl chloride insulating fire-resistant power cable according to claim 1, wherein the buffer layer (11) comprises a silica gel layer (3) and a connecting ring (4), a plurality of buffer grooves (12) are formed in the periphery of the silica gel layer (3) at intervals, and the connecting ring (4) is arranged inside the silica gel layer (3).
5. A fire-resistant power cable of polyvinyl chloride insulation according to claim 1, characterized in that the inner liner (5) and the barrier layer (7) are both polyvinyl chloride.
6. The polyvinyl chloride insulated fire-resistant power cable according to claim 1, wherein the shielding layer (6) is made of tin-copper and presents a net-shaped braided structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021644410.7U CN212847850U (en) | 2020-08-10 | 2020-08-10 | Polyvinyl chloride insulation fire-resistant power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021644410.7U CN212847850U (en) | 2020-08-10 | 2020-08-10 | Polyvinyl chloride insulation fire-resistant power cable |
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| Publication Number | Publication Date |
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| CN212847850U true CN212847850U (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021644410.7U Active CN212847850U (en) | 2020-08-10 | 2020-08-10 | Polyvinyl chloride insulation fire-resistant power cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113393964A (en) * | 2021-06-25 | 2021-09-14 | 江苏亨通线缆科技有限公司 | High-flame-retardant anti-cracking track traffic signal cable |
-
2020
- 2020-08-10 CN CN202021644410.7U patent/CN212847850U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113393964A (en) * | 2021-06-25 | 2021-09-14 | 江苏亨通线缆科技有限公司 | High-flame-retardant anti-cracking track traffic signal cable |
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