CN210575224U

CN210575224U - Multi-core wire cable

Info

Publication number: CN210575224U
Application number: CN201921252283.3U
Authority: CN
Inventors: 魏小浩
Original assignee: Hubei Lingshang Electric Wire And Cable Co ltd
Current assignee: Hubei Lingshang Electric Wire And Cable Co ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-05-19
Anticipated expiration: 2029-08-05

Abstract

The utility model discloses a multicore wire and cable, including the insulating jacketing, the insulating jacketing is inside to be provided with around the package water blocking layer, around the inside sealed covering that is provided with of package water blocking layer, the inside parcel of sealed covering has compound inoxidizing coating, and compound inoxidizing coating center department installs the cable conductor, and the inside center department of cable conductor is provided with the cable core main part, compound inoxidizing coating is inside to be formed jointly by fire-retardant layer, high temperature resistant layer and inner cladding, and fire-retardant layer parcel is at the surface on high temperature resistant layer, and high temperature resistant layer is located the centre of fire-retardant layer and inner cladding, fire-retardant layer inside closely glues glutinous through first fire retardant layer and high temperature resistant layer, and high temperature resistant layer inside closely glues glutinous through second fire retardant layer and inner cladding. The utility model discloses a be provided with compound inoxidizing coating, can be so that the high cable main part possesses good fire-retardant fire behavior, inside packing has double-deck fire retardant, has effectively ensured wire and cable's security.

Description

Multi-core wire cable

Technical Field

The utility model relates to a wire and cable technical field specifically is a multicore wire and cable.

Background

The wire and cable is used for transmitting electric (magnetic) energy, information and wire products for realizing electromagnetic energy conversion. A wire cable in a broad sense, also referred to as a cable for short, refers to an insulated cable, which can be defined as: an aggregate consisting of; one or more insulated wire cores, and their respective possible coatings, total protective layers and outer jackets, the cable may also have additional conductors without insulation. The structural elements of wire and cable products can be generally divided into four main structural components of wires, insulation, shielding and sheath, as well as filler elements and tensile elements. Some products have extremely simple structures according to the use requirements and application occasions of the products. In a sense, the wire and cable manufacturing industry is a material finishing and assembly industry. Firstly, the material consumption is huge, and the material cost in the cable product accounts for 80-90% of the total manufacturing cost; secondly, the types and varieties of the used materials are very many, the performance requirement is very high, for example, the purity of copper for conductors needs to be more than 99.95 percent, and some products need to adopt oxygen-free high-purity copper; thirdly, the selection of the material can have a decisive influence on the manufacturing process, the performance and the service life of the product.

The existing multi-core wire and cable has single structure function and poor flame-retardant protective performance, and cannot meet the production and application requirements of people, so that the market urgently needs to develop a novel multi-core wire and cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multicore cable to solve the multicore cable structure function singleness that provides in the above-mentioned background art, fire-retardant protective properties is relatively poor scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multicore wire and cable, includes the insulating jacketing, the inside package water blocking layer that is provided with of insulating jacketing is around the inside sealed covering that is provided with of package water blocking layer, the inside parcel of sealed covering has compound inoxidizing coating, and compound inoxidizing coating center department installs the cable conductor, and the inside center department of cable conductor is provided with the cable core main part, compound inoxidizing coating is inside to constitute jointly by fire-retardant layer, high temperature resistant layer and inner cladding, and fire-retardant layer parcel is at the surface on high temperature resistant layer, and high temperature resistant layer is located the centre on fire-retardant layer and inner cladding, the inside first flame retardant layer that passes through of fire-retardant layer closely glues with high temperature resistant layer, and high temperature resistant layer is inside closely glues with the inner.

Preferably, the cable conductor is provided with three groups, and be central symmetry distribution between the cable conductor.

Preferably, the thickness of the flame-retardant layer and the thickness of the high-temperature resistant layer are both 1 mm.

Preferably, the inner cladding is internally provided with a PVC insulating sheath.

Preferably, a cable sleeve is arranged inside the PVC insulating sheath.

Preferably, the cable line is mounted inside the cable line sleeve.

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

(1) the composite protective layer is wrapped inside the sealing covering layer, the composite protective layer is composed of a flame retardant layer, a high temperature resistant layer and an inner cladding layer, the flame retardant layer is closely adhered to the high temperature resistant layer through a first flame retardant layer, the high temperature resistant layer is closely adhered to the inner cladding layer through a second flame retardant layer, the flame retardant layer and the high temperature resistant layer are arranged, so that the electric wire and cable has good flame retardant and high temperature resistant performances, and meanwhile, flame retardants are filled among the flame retardant layer, the high temperature resistant layer and the inner cladding layer to play a role in double fire barrier;

(2) inside being provided with around package water blocking layer of insulating cladding, being provided with sealed covering around package water blocking layer inside, insulating cladding possesses insulating properties, can prevent that the hydrone from permeating into the cable inside around package water blocking layer, plays and hinders waterproof effect, and sealed covering can seal protection parcel effect to the cable conductor.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic diagram of the internal structure of the composite protective layer of the present invention.

In the figure: 1. a cable wire; 2. an insulating envelope; 3. a cable core main body; 4. sealing the envelope; 5. wrapping a waterproof layer; 6. compounding a protective layer; 7. a flame retardant layer; 8. a first flame retardant layer; 9. a high temperature resistant layer; 10. a second flame retardant layer; 11. an inner cladding; 12. a cable bushing; 13. PVC insulating sheath.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a multi-core wire and cable comprises an insulating jacket 2, wherein a wrapping waterproof layer 5 is arranged inside the insulating jacket 2, the insulating jacket 2 has insulating performance, the wrapping waterproof layer 5 can prevent water molecules from permeating into an incoming cable 1 to play a role of water resistance, a sealing cladding layer 4 is arranged inside the wrapping waterproof layer 5, the sealing cladding layer 4 can perform sealing protection and wrapping functions on the cable 1, a composite protective layer 6 is wrapped inside the sealing cladding layer 4, a cable conductor 1 is installed at the center of the composite protective layer 6, a cable core main body 3 is arranged at the center of the inside of the cable conductor 1, the composite protective layer 6 is composed of a flame-retardant layer 7, a high-temperature-resistant layer 9 and an inner cladding layer 11, the flame-retardant layer 7 is wrapped on the outer surface of the high-temperature-resistant layer 9, the high-temperature-resistant layer 9 is located in the middle of the flame-retardant layer 7 and the inner cladding layer 11, and the flame-retardant layer, the inside second flame retardant layer 10 that closely glues glutinous through high temperature resistant layer 9 and inner cladding 11 for this wire and cable possesses good fire-retardant and high temperature resistance through being provided with fire-retardant layer 7 and high temperature resistant layer 9, and it has the flame retardant to fill simultaneously between fire-retardant layer 7, high temperature resistant layer 9 and inner cladding 11, plays the effect of dual fire-resistant situation infiltration of stopping.

Furthermore, three groups of cables 1 are arranged, and the cables 1 are distributed in a central symmetry manner.

Further, the thickness of the flame retardant layer 7 and the high temperature resistant layer 9 is 1 mm.

Further, the inner cladding 11 is internally provided with a PVC insulating sheath 13.

Further, a cable sleeve 12 is arranged inside the PVC insulating sheath 13.

Further, the cable 1 is mounted inside the cable sleeve 12.

The working principle is as follows: when the cable is used, the insulating jacket 2 wraps the outermost side of the cable 1, the insulating jacket 2 has insulating property, the wrapping water-blocking layer 5 can prevent water molecules from permeating into the cable 1 to play a role in blocking water, the sealing cladding 4 is arranged inside the wrapping water-blocking layer 5 and can perform sealing protection wrapping function on the cable 1, the sealing cladding 4 is internally wrapped with the composite protective layer 6, the composite protective layer 6 is internally composed of the flame-retardant layer 7, the high-temperature-resistant layer 9 and the inner cladding 11 together, the flame-retardant layer 7 wraps the outer surface of the high-temperature-resistant layer 9, the high-temperature-resistant layer 9 is positioned in the middle of the flame-retardant layer 7 and the inner cladding 11, the flame-retardant layer 7 is closely adhered to the high-temperature-resistant layer 9 through the first flame retardant layer 8, the high-temperature-resistant layer 9 is closely adhered to the inner cladding 11 through the second flame retardant layer 10, and the flame-retardant layer 7 and the high-temperature-resistant layer 9 are arranged, so that, and meanwhile, a flame retardant is filled among the flame-retardant layer 7, the high-temperature-resistant layer 9 and the inner cladding 11, so that the double-barrier fire-resistant flame-retardant flame.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A multi-core wire and cable comprises an insulating jacket (2) and is characterized in that a winding waterproof layer (5) is arranged inside the insulating jacket (2), a sealing cladding (4) is arranged inside the winding waterproof layer (5), a composite protective layer (6) is wrapped inside the sealing cladding (4), a cable (1) is installed at the center of the composite protective layer (6), a cable core main body (3) is arranged at the center of the inside of the cable (1), the composite protective layer (6) is composed of a flame-retardant layer (7), a high-temperature-resistant layer (9) and an inner cladding (11) together, the flame-retardant layer (7) is wrapped on the outer surface of the high-temperature-resistant layer (9), the high-temperature-resistant layer (9) is located in the middle of the flame-retardant layer (7) and the inner cladding (11), and the flame-retardant layer (7) is closely adhered to the high-temperature-resistant layer (9) through a first flame retardant layer (8), the interior of the high-temperature resistant layer (9) is closely adhered to the inner cladding (11) through a second flame retardant layer (10).

2. The multi-core wire cable of claim 1, wherein: the cable wires (1) are provided with three groups, and the cable wires (1) are distributed in a central symmetry manner.

3. The multi-core wire cable of claim 1, wherein: the thickness of the flame-retardant layer (7) and the thickness of the high-temperature resistant layer (9) are both 1 mm.

4. The multi-core wire cable of claim 1, wherein: the inner cladding (11) is internally provided with a PVC insulating sleeve (13).

5. The multi-core wire cable of claim 4, wherein: and a cable sleeve (12) is arranged in the PVC insulating sheath (13).

6. The multi-core wire cable of claim 5, wherein: the cable (1) is arranged in the cable sleeve (12).