CN209766096U

CN209766096U - Elastomer composite flame retardant modified flame-retardant cable sheath material

Info

Publication number: CN209766096U
Application number: CN201921073964.3U
Authority: CN
Inventors: 刘小柱; 陈斌
Original assignee: Hubei Kangtai Plastic Co Ltd
Current assignee: Hubei Kangtai Plastic Co Ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2019-12-10
Anticipated expiration: 2029-07-10

Abstract

The utility model relates to a cable sheathing technical field just discloses a modified flame retarded cable sheath material of compound fire retardant of elastomer. This modified flame retardant cable sheath material of compound fire retardant of elastomer, including cable sheath and cable conductor, cable sheath includes the restrictive coating, the inboard of restrictive coating is equipped with fire-retardant layer, the side that cable sheath's inboard is located the cable conductor is equipped with the elastomer, the elastomer includes the arc piece, the quantity of cable conductor is three, three inboard adhesion has the spacing block between the cable conductor. The utility model discloses a cable sheathing passes through restrictive coating, fire-retardant layer and enhancement layer and constitutes, and fire-retardant layer is the fire-retardant layer of polyvinyl chloride, and its fire-retardant value is big, can strengthen cable sheathing's fire-retardant ability greatly, and the enhancement layer that sets up between restrictive coating and the fire-retardant layer is by fine compound polyvinyl chloride material of glass, and the intensity of strengthening cable sheathing avoids being in the underground for a long time and receives the corruption.

Description

Elastomer composite flame retardant modified flame-retardant cable sheath material

Technical Field

The utility model relates to a cable sheathing technical field specifically is a modified flame retarded cable sheath material of compound fire retardant of elastomer.

Background

Cables are generally rope-like cables made by stranding several or groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation, and is divided into a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like.

With the high-speed development of the economy of China, the power cable plays an important role in the national economy of China, and now in order to save space, the power cable is often buried underground in the event of avoiding accidents, but the buried cable lacks certain protection, if the protection is not in place, once the damage happens, the cable is difficult to maintain, the cable buried underground is often additionally provided with a sheath, but the existing cable sheath has a common protection effect, and can not effectively resist compression and flame, so that the service life of the cable is shortened.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a modified flame retarded cable sheath material of compound fire retardant of elastomer possesses resistance to compression and advantages such as fire-retardant, and it is general to have solved current cable sheath protecting effect, can not carry out effectual resistance to compression and fire-retardant, leads to the problem of cable life's reduction.

(II) technical scheme

For realizing above-mentioned resistance to compression and fire-retardant purpose, the utility model provides a following technical scheme: the utility model provides a modified flame retardant cable sheath material of compound fire retardant of elastomer, includes cable sheath and cable conductor, cable sheath includes the restrictive coating, the inboard of restrictive coating is equipped with fire-retardant layer, the side that cable sheath's inboard is located the cable conductor is equipped with the elastomer, the elastomer includes the arc piece, the quantity of cable conductor is three, and is three inboard adhesion has the spacing block between the cable conductor.

Preferably, a reinforcing layer is adhered between the sheath layer and the flame-retardant layer, and the reinforcing layer is made of glass fiber composite polyvinyl chloride.

Preferably, the inner sides of the arc-shaped blocks are adhered with the elastic blocks through high-temperature-resistant glue, and the number of the arc-shaped blocks is three.

Preferably, the number of the elastic blocks is a plurality, and the elastic blocks are all made of TPE materials.

Preferably, the inner side of the isolation block is filled with ceramic particles, and the shape of the isolation block is Y-shaped.

Preferably, the sheath layer is made of a PVC material.

Compared with the prior art, the utility model provides a modified flame retarded cable sheath material of compound fire retardant of elastomer possesses following beneficial effect:

1. The utility model discloses a cable sheathing passes through restrictive coating, fire-retardant layer and enhancement layer and constitutes, and fire-retardant layer is the fire-retardant layer of polyvinyl chloride, and its fire-retardant value is big, can strengthen cable sheathing's fire-retardant ability greatly, and the enhancement layer that sets up between restrictive coating and the fire-retardant layer is by fine compound polyvinyl chloride material of glass, and the intensity of strengthening cable sheathing avoids being in the underground for a long time and receives the corruption.

2. The utility model discloses cable sheath inboard is located the elastomer that the cable conductor side was equipped with, the arc piece inboard in the elastomer packs a plurality of elastic blocks in the arc piece through high temperature resistant glue, high temperature resistant glue can be regarded as coating materials such as pottery, glass, metal, the spraying is on metal, object surfaces such as quartzy, low temperature drying, the adhesive force is very good, hard, do not ftracture, do not bubble, high temperature resistant, can be used in using at iron, steel, quartzy, pottery, surfaces such as glass, a plurality of elastic blocks are the TPE material, have the high elasticity of rubber, high strength, high resilience, avoid the cable to receive external impact and fracture, increase its crushing resistance, Y type spacing block that is equipped with between the three cable conductors, Y type spacing block inboard is filled with ceramic particle, when ceramic particle burns, have the self-extinguishing nature, other granule can not burn, thereby play fire-retardant role, avoiding greater losses.

Drawings

FIG. 1 is a front view of the structure of a flame-retardant cable sheath material modified by an elastomer composite flame retardant of the present invention;

FIG. 2 is a front view of a cross-sectional view of the structure of the elastomer composite flame retardant modified flame retardant cable sheath material of the present invention;

FIG. 3 is a schematic structural view of a cable sheath made of a flame-retardant cable sheath material modified by an elastomer composite flame retardant according to the present invention;

Fig. 4 is the schematic view of the elastomer structure of the modified flame retardant cable sheath material of the elastomer composite flame retardant of the present invention.

Wherein: 1. a cable jacket; 101. a sheath layer; 102. a flame retardant layer; 103. a reinforcing layer; 2. a cable wire; 3. an elastomer; 301. an arc-shaped block; 302. high temperature resistant glue; 303. an elastic block; 4. an isolation block; 5. ceramic particles.

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.

Referring to fig. 1-4, an elastomer composite flame retardant modified flame retardant cable sheath material comprises a cable sheath 1 and a cable 2, the cable sheath 1 comprises a sheath layer 101, the sheath layer 101 is made of PVC, the inner side of the sheath layer 101 is provided with a flame retardant layer 102, the flame retardant layer 102 is a polyvinyl chloride flame retardant layer, the flame retardant value is greater than 40, the flame retardant capability of the cable sheath 1 can be greatly enhanced, a reinforcing layer 103 is adhered between the sheath layer 101 and the flame retardant layer 102, the reinforcing layer 103 is made of glass fiber composite polyvinyl chloride, the strength of the cable sheath 1 is enhanced, corrosion caused by long-term underground is avoided, the inner side of the cable sheath 1 is provided with an elastomer 3 on the side of the cable 2, the elastomer 3 comprises an arc block 301, the inner side of the arc block 301 is adhered with elastic blocks 303 through high temperature resistant glue 302, the plurality of elastic blocks 303 are all TPE materials, the high-temperature-resistant glue 302 can be used as coating materials of ceramics, glass, metal and the like, and are sprayed on the surfaces of objects such as metal, quartz and the like, and the coating materials are dried at low temperature, have very good adhesive force, are hard, do not crack or bubble, can resist 1500 ℃ high temperature, and can be used on the surfaces of iron, steel, quartz, ceramics, glass and the like, the plurality of elastic blocks 303 are all TPE materials, have the high elasticity of rubber, high strength and high rebound resilience, and can prevent the cable wires 2 from being broken due to external impact and increase the pressure resistance of the cable wires 2, the number of the arc-shaped blocks 301 is three, the number of the cable wires 2 is three, the isolating blocks 4 are adhered to the inner sides of the three cable wires 2, the ceramic particles 5 are filled in the isolating blocks 4, when the ceramic particles 5 are burnt, the ceramic particles have self, and the spacer 4 is Y-shaped.

When in use, the cable sheath 1 is composed of a sheath layer 101, a flame-retardant layer 102 and a reinforcing layer 103, the flame-retardant layer 102 is a polyvinyl chloride flame-retardant layer, the flame-retardant value is larger than 40, the flame-retardant capability of the cable sheath 1 can be greatly enhanced, the reinforcing layer 103 arranged between the sheath layer 101 and the flame-retardant layer 102 is made of glass fiber composite polyvinyl chloride, the strength of the cable sheath 1 is enhanced, and the cable sheath 1 is prevented from being corroded under the ground for a long time, the inner side of the cable sheath 1 is provided with an elastic body 3 arranged on the side surface of a cable 2, the inner side of an arc-shaped block 301 in the elastic body 3 is filled with a plurality of elastic blocks 303 in the arc-shaped block 301 through high-temperature resistant glue 302, the high-temperature resistant glue 302 can be used as coating materials of ceramics, glass, metals and metals, and the like, and is sprayed on the surfaces of objects such, quartzy, pottery, surfaces such as glass, a plurality of elastic block 303 is the TPE material, the high elasticity of rubber has, high strength, high resilience, avoid cable conductor 2 to receive external impact and fracture, increase its crushing resistance, Y type spacing block 4 that is equipped with between the three cable conductor 2, 4 inboard packings of Y type spacing block have ceramic granule 5, during 5 burning of ceramic granule, have from putting out the nature, other granule can not burn, thereby play flame retardant efficiency, avoid receiving bigger loss.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a modified flame retardant cable sheath material of compound fire retardant of elastomer, includes cable sheath (1) and cable conductor (2), its characterized in that: cable sheath (1) includes restrictive coating (101), the inboard of restrictive coating (101) is equipped with flame retardant coating (102), the inboard side that is located cable conductor (2) of cable sheath (1) is equipped with elastomer (3), elastomer (3) are including arc piece (301), the quantity of cable conductor (2) is three, three inboard bonding has spacing block (4) between cable conductor (2).

2. The elastomer composite flame retardant modified flame-retardant cable sheath material as claimed in claim 1, wherein: a reinforcing layer (103) is adhered between the sheath layer (101) and the flame-retardant layer (102), and the reinforcing layer (103) is made of glass fiber composite polyvinyl chloride.

3. The elastomer composite flame retardant modified flame-retardant cable sheath material as claimed in claim 1, wherein: the inner sides of the arc-shaped blocks (301) are adhered with the elastic blocks (303) through high-temperature-resistant glue (302), and the number of the arc-shaped blocks (301) is three.

4. the elastomer composite flame retardant modified flame-retardant cable sheath material as claimed in claim 3, wherein: the number of the elastic blocks (303) is a plurality, and the elastic blocks (303) are all made of TPE materials.

5. The elastomer composite flame retardant modified flame-retardant cable sheath material as claimed in claim 1, wherein: the inner side of the isolation block (4) is filled with ceramic particles (5), and the isolation block (4) is Y-shaped.

6. The elastomer composite flame retardant modified flame-retardant cable sheath material as claimed in claim 1, wherein: the sheath layer (101) is made of PVC materials.