CN213242040U

CN213242040U - Weather-resistant flame-retardant cable

Info

Publication number: CN213242040U
Application number: CN202022672813.9U
Authority: CN
Inventors: 张汉元; 郑延斌
Original assignee: Guangzhou Qisheng Wire And Cable Co ltd
Current assignee: Guangzhou Qisheng Wire And Cable Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-05-18
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a weather-proof flame-retardant cable, which comprises a filling layer, wherein three through holes are arranged inside the filling layer, the inner walls of the three through holes are fixedly connected with cable cores through a plurality of pressure-reducing springs, insulating layers are sleeved outside the three cable cores, a flame-retardant coating is sleeved outside the filling layer, an anti-corrosion layer is sleeved outside the flame-retardant coating, a protective layer is sleeved outside the anti-corrosion layer, a protective pipe is sleeved outside the protective layer, and a plurality of bulges which are uniformly distributed are fixedly arranged on the surface of the protective pipe. High mechanical strength.

Description

Weather-resistant flame-retardant cable

Technical Field

The utility model relates to an articles for daily use technical field specifically is a resistant fire-retardant cable of waiting.

Background

The electric wire and the cable are essential basic equipment for transmitting energy and information, and the electric wire and the cable become one of the most important basic products in economic construction today when social informatization and electrification are rapidly developed. The wire and cable industry is a matching industry, the product must meet the requirements of various main industries of national economy on the performance of the wire and cable, the national economy feels that most industries are related to the wire and cable, and the industrial status is very important. The wire and cable industry in China is still in the development stage at present, and as an important leading industry for national economy construction, the increase of the wire and cable production and marketing indexes is generally slightly higher than the total output value of the national economy.

The existing cable still has some shortcomings, because the internal protection structure is simple, when the cable is used in a severe environment, if the structure or the material is selected improperly, the cable is easy to break, and when the cable is extruded by external force, the internal central conductor is easy to be damaged, so that the transmission signal of the cable is poor, the normal use of the cable is greatly problematic, and the enterprise cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a resistant fire-retardant cable of waiting to solve the inside protective structure of current cable that provides in the above-mentioned background art comparatively simple, receive external environment's influence easily, and when suffering external force extrusion, injure the problem of inside center conductor easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a resistant flame retarded cable of waiting, includes the filling layer, three through-hole, three have been seted up to the inside of filling layer the inner wall of through-hole is all through a plurality of decompression spring fixedly connected with cable cores, and is three the outside of cable core all overlaps and is equipped with the insulating layer, the outside cover of filling layer is equipped with the flame retardant coating, the outside cover of flame retardant coating is equipped with the anti-corrosion coating, the outside cover of anti-corrosion coating is equipped with the inoxidizing coating, the outside cover of inoxidizing coating is equipped with the protection tube, the fixed surface of protection tube is provided.

As an optimized technical scheme of the utility model, the filling layer is made by insulating latex material.

As an optimal technical scheme of the utility model, the insulating layer is formed by the preparation of inorganic mineral insulated tape, the fixed insulated column that is provided with a plurality of evenly distributed in inside of insulating layer.

As an optimized technical proposal of the utility model, the fire-resistant layer is made of synthetic mica tapes.

As an optimized technical proposal of the utility model, the anti-corrosion layer is made of natural rubber, and the inside of the anti-corrosion layer is inlaid with glass fiber yarns.

As an optimized technical scheme of the utility model, the inoxidizing coating is formed by the preparation of halogen-free polyvinyl chloride flame retardant material, the surface winding of inoxidizing coating is connected with the strengthening rib.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the arrangement of the protective layer, the fire-resistant layer, the anti-corrosion layer and the glass fiber yarns, the protective layer is made of halogen-free polyvinyl chloride flame-retardant materials, the overall protection effect is achieved, meanwhile, a large amount of toxic and harmful gas is prevented from being generated in the process of firing, the fire-resistant layer has excellent high-temperature resistance and combustion resistance, the volatilization of harmful smoke does not exist basically when a mica tape is burnt in the presence of open fire, the glass fiber yarns have the characteristics of good insulativity, strong heat resistance, good corrosion resistance and high mechanical strength, the cable core can be well protected internally, the overall strength is high, and the flame-retardant effect is good;

2. through the setting of filling layer and damping spring, the filling layer is made by the latex material, when the protection cable core, receives the decompression spring that extrudees each through-hole comprehensively just to absorb partial pressure when the cable, when providing the support, can provide the buffering protection.

Drawings

Fig. 1 is a cross-sectional view of a weather-resistant flame-retardant cable according to the present invention;

fig. 2 is a cross-sectional view of a weather-resistant and flame-retardant cable a of the present invention;

fig. 3 is a schematic structural diagram of the reinforcing rib of the present invention.

In the figure: 1. a filling layer; 2. a through hole; 3. a relief spring; 4. a cable core; 5. an insulating layer; 6. a refractory layer; 7. an anti-corrosion layer; 8. a protective layer; 9. protecting the tube; 10. a protrusion; 11. an insulating column; 12. glass fiber yarns; 13. and (5) reinforcing ribs.

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. 1-3, the utility model provides a resistant flame retarded cable of waiting, including filling layer 1, three through-hole 2 has been seted up to filling layer 1's inside, three through-hole 2's inner wall all is through a plurality of decompression spring 3 fixedly connected with cable cores 4, the outside of three cable core 4 all is overlapped and is equipped with insulating layer 5, filling layer 1's outside cover is equipped with flame retardant coating 6, the outside cover of flame retardant coating 6 is equipped with anti-corrosion coating 7, the outside cover of anti-corrosion coating 7 is equipped with inoxidizing coating 8, the outside cover of inoxidizing coating 8 is equipped with protection tube 9, the fixed surface of protection tube 9 is provided with a plurality.

Preferably, the filling layer 1 is made of an insulating latex material, so that the pressure applied to the surface of the cable core 4 can be effectively buffered while the cable core 4 is protected.

Preferably, the insulating layer 5 is made of an inorganic mineral insulating tape, and a plurality of insulating columns 11 which are uniformly distributed are fixedly arranged in the insulating layer 5, so that the insulating property in the cable can be effectively improved, and the overall protection strength of the cable is enhanced.

Preferably, the fire-resistant layer 6 is made of synthetic mica tape, has excellent high-temperature resistance and combustion resistance, and basically does not volatilize harmful smoke when the cable burns in open fire.

Preferably, the anti-corrosion layer 7 is made of natural rubber, the glass fiber yarns 12 are embedded in the anti-corrosion layer 7, and the glass fiber yarns 12 are good in insulation property, strong in heat resistance, good in corrosion resistance and high in mechanical strength.

Preferably, the protective layer 8 is made of a halogen-free polyvinyl chloride flame retardant material, the surface of the protective layer 8 is wound and connected with the reinforcing ribs 13, the halogen-free polyvinyl chloride flame retardant material can prevent a large amount of toxic and harmful gas from being generated during ignition, the environment is protected, and the reinforcing ribs 13 can protect the surface of the protective layer 8 from being damaged.

When in specific use, the utility model relates to a weather-proof flame-retardant cable, during use, the protection tube 9 can play holistic protection effect to the cable, the bulge 10 on the surface of the protection tube 9 can effectively enhance the wear resistance of the cable when in use, the strengthening rib 13 on the surface of the protection layer 8 can protect the cable from being damaged, and the protection layer 8 and the flame retardant coating 6 both have flame-retardant effect, thereby realizing double protection and simultaneously avoiding generating a large amount of poisonous and harmful gas to harm the environment when catching fire, the arranged anti-corrosion layer 7 can block the corrosion of corrosive objects in the surrounding environment to the cable, the glass fiber 12 has the characteristics of good insulativity, strong heat resistance, good corrosion resistance and high mechanical strength, can carry out internal protection to the cable core 4, enhance the weather resistance of the cable, when the cable is comprehensively extruded, the filling layer 1 can effectively buffer and decompose the pressure on the surface of the cable core 4, pass to pressure relief spring 3 through each through-hole 2, pressure relief spring 3's elastic restoring force can absorb partial pressure for the cable has the shape effect of preapring for an unfavorable turn of events, when providing the support, can provide the buffering protection, through setting up insulating layer 5 and insulated column 11, has formed fine anti-interference and guard action to the normal work of conductor, and the holistic weatherability of cable, fire resistance and crushing resistance are better, are fit for extensively promoting.

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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A weather-resistant flame-retardant cable comprises a filling layer (1), and is characterized in that: three through-hole (2) have been seted up to the inside of filling layer (1), it is three the inner wall of through-hole (2) all is through a plurality of decompression spring (3) fixedly connected with cable core (4), it is three the outside of cable core (4) all is overlapped and is equipped with insulating layer (5), the outside cover of filling layer (1) is equipped with flame retardant coating (6), the outside cover of flame retardant coating (6) is equipped with anti-corrosion coating (7), the outside cover of anti-corrosion coating (7) is equipped with inoxidizing coating (8), the outside cover of inoxidizing coating (8) is equipped with protection tube (9), the fixed surface of protection tube (9) is provided with a plurality of evenly distributed's arch (10.

2. The weather-resistant and flame-retardant cable according to claim 1, wherein: the filling layer (1) is made of an insulating latex material.

3. The weather-resistant and flame-retardant cable according to claim 1, wherein: the insulating layer (5) is made of an inorganic mineral insulating tape.

4. The weather resistant and flame retardant cable according to claim 3, wherein: and a plurality of uniformly distributed insulating columns (11) are fixedly arranged in the insulating layer (5).

5. The weather-resistant and flame-retardant cable according to claim 1, wherein: the fire-resistant layer (6) is made of synthetic mica tapes.

6. The weather-resistant and flame-retardant cable according to claim 1, wherein: the anti-corrosion layer (7) is made of natural rubber, and the glass fiber yarns (12) are inlaid in the anti-corrosion layer (7).

7. The weather-resistant and flame-retardant cable according to claim 1, wherein: the protective layer (8) is made of halogen-free polyvinyl chloride flame-retardant material.

8. The weather resistant and flame retardant cable according to claim 7, wherein: and reinforcing ribs (13) are wound and connected on the surface of the protective layer (8).