CN213988335U - Bendable flexible insulated wire - Google Patents

Abstract

The utility model discloses a flexible insulated wire which can be bent, which comprises a circuit main body, an insulated wire core and a protective layer; the circuit comprises a circuit main body and a plurality of insulated wire cores, wherein the insulated wire cores are arranged in the circuit main body, a water blocking material is filled among the insulated wire cores, the water blocking material is in contact with the inner surface of the circuit main body, and a plurality of conductors are arranged in the insulated wire cores; the inside of circuit main part sets up stranded insulation core, thereby make the circuit have good electric conductive property, insulation core outside sets up fire-retardant material and is used for improving the fire-retardant and high temperature resistant effect of circuit, it is excellent to make the circuit have insulating properties through setting up the insulating layer, can guarantee the long-term steady operation's of cable characteristics, through setting up the toughness that flexible supporter can effectual increase circuit, make the circuit have good bending resistance, the outside arc arch that forms of flexible supporter can further increase the life of circuit.

Description

Bendable flexible insulated wire

Technical Field

The utility model belongs to the technical field of the insulated wire, concretely relates to flexible insulated wire that can bend.

Background

The periphery of the lead is uniformly and hermetically wrapped with a layer of non-conductive material, such as: resin, plastic, silicon rubber, PVC and the like to form an insulating layer, thereby preventing the electric conductor from contacting with the outside to cause accidents such as electric leakage, short circuit, electric shock and the like.

In the prior art, a mica tape is coated outside a wire core of a cable, a fireproof silicone rubber tape is coated outside the mica tape, an inner layer of a cable sleeve is a wrapping tape, an armored corrugated pipe is coated outside the wrapping tape, and a halogen-free low-smoke flame-retardant polyolefin sheath is coated outside the armored corrugated pipe. The cable has high fire resistance and general insulativity, has the problem that mica tapes are broken after the mica tape fire-resistant layer is bent for many times, is not resistant to bending, and has poor water resistance and toughness.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible insulated wire that can bend for solve the technical problem that exists among the prior art, if: the cable in the prior art is easy to have the problem of mica tape breakage, is not resistant to bending, and does not have good water resistance and toughness.

In order to achieve the above object, the utility model adopts the following technical scheme:

a flexible insulated wire capable of being bent comprises a circuit main body, an insulated wire core and a protective layer;

the circuit comprises a circuit main body and is characterized in that a plurality of insulating wire cores are arranged inside the circuit main body, a water blocking material is filled among the insulating wire cores, the water blocking material is in contact with the inner surface of the circuit main body, a plurality of conductors are arranged inside the insulating wire cores, the conductors are twisted into a bundle shape, a fire-resistant layer is arranged outside the insulating wire cores, and an insulating layer is arranged outside the fire-resistant layer;

the circuit comprises a circuit main body and is characterized in that a flexible supporting body is arranged outside the circuit main body, a plurality of arc-shaped protrusions are formed on the outer surface of the flexible supporting body, a heat insulation layer is further arranged on the outer surface of the flexible supporting body, an arc-shaped groove is formed on the inner surface of the heat insulation layer, the arc-shaped groove is matched with the arc-shaped protrusions, the arc-shaped protrusions correspond to the arc-shaped groove, and a protective layer is arranged on the outer surface of the heat insulation layer.

Furthermore, the water-blocking material is a water-blocking filling rope, and the water-blocking filling rope is made of sodium polyacrylate resin and non-woven fabrics.

Further, the conductor is made of a soft copper conductor.

Furthermore, the inoxidizing coating includes ripple copper pipe layer and fire-retardant nylon layer, the internal surface on ripple copper pipe layer with the insulating layer is connected, the surface on ripple copper pipe layer with fire-retardant nylon layer is connected.

Further, the heat insulation layer is made of glass fiber.

Further, the outer surface of the arc-shaped protrusion is arc-shaped, and the arc-shaped protrusion is arranged at equal intervals.

Further, the fire-resistant layer is a ceramic silicon rubber belt.

Further, the insulating layer is cross-linked polyethylene insulating.

The utility model has the beneficial technical effects that:

the inside of circuit main part sets up stranded insulation core, thereby make the circuit have good electric conductive property, insulation core outside sets up fire-retardant material and is used for improving the fire-retardant and high temperature resistant effect of circuit, it is excellent to make the circuit have insulating properties through setting up the insulating layer, can guarantee the long-term steady operation's of cable characteristics, through setting up the toughness that flexible supporter can effectual increase circuit, make the circuit have good bending resistance, the outside arc arch that forms of flexible supporter can further increase the life of circuit.

Drawings

Fig. 1 is a schematic cross-sectional view of an insulated wire according to the present invention;

FIG. 2 is a schematic view of the thermal insulation layer of the present invention;

fig. 3 is a schematic view of the flexible support of the present invention;

FIG. 4 is a schematic diagram of the circuit main body of the present invention;

fig. 5 is a schematic view of the protective layer of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-5 of the present invention, and it should be apparent 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.

A flexible insulated wire capable of being bent comprises a circuit main body 1, an insulated wire core 2 and a protective layer 8;

the circuit comprises a circuit main body 1, a plurality of insulated wire cores 2, a water blocking material 3 filled between the insulated wire cores 2, a plurality of conductors 4 arranged inside the insulated wire cores 2, a plurality of bunched conductors 4, a flame retardant coating 5 arranged outside the insulated wire cores 2, and an insulating layer 7 arranged outside the flame retardant coating 5, wherein the water blocking material 3 is in contact with the inner surface of the circuit main body 1;

as shown in fig. 1-5, during specific implementation, a plurality of insulating wire cores 2 are arranged inside a circuit main body 1, the circuit main body 1 plays roles of wrapping and protecting the plurality of insulating wire cores 2, a water blocking material 3 filled between the insulating wire cores 2 enables the circuit to have good water resistance, a conductor 4 arranged inside the insulating wire cores 2 is used for conducting electricity, stranded conductors are stranded to form a bundle, so that the conductor has better conductivity, a fire-resistant layer 5 is arranged outside the insulating wire cores 2, long-term fire-resistant stability of the circuit is guaranteed, an insulating layer 7 enables the circuit to have the characteristics of excellent insulating property and capability of guaranteeing long-term stable operation of the cable.

A flexible supporting body 11 is arranged outside the circuit main body 1, a plurality of arc-shaped bulges 9 are formed on the outer surface of the flexible supporting body 11, a heat insulation layer 6 is further arranged on the outer surface of the flexible supporting body 11, an arc-shaped groove 10 is formed on the inner surface of the heat insulation layer 6, the arc-shaped groove 10 is matched with the arc-shaped bulges 9, the arc-shaped bulges 9 are arranged corresponding to the arc-shaped groove 10, and a protective layer 8 is arranged on the outer surface of the heat insulation layer 6;

as shown in fig. 1-5, during the concrete implementation, set up flexible support 11 in the outside of circuit main part 1, flexible support 11 is used for making the circuit have better toughness, make the circuit be difficult for appearing the fracture when receiving buckling, insulating layer 6 plays fine thermal-insulated effect, the protruding 9 arc that forms of the outside of flexible support 11 and the arc wall 10 adaptation of the internal surface formation of insulating layer 6, make the protruding 9 arc imbedding to the inside of arc wall 10, make the circuit have better resistant bending property when using, set up inoxidizing coating 8 in the outside of insulating layer 6 and be used for further protection circuit, make the circuit have good ageing resistance, thereby increase the life of circuit.

Furthermore, the water-blocking material 3 is a water-blocking filling rope, the water-blocking filling rope is made of sodium polyacrylate resin and non-woven fabric, a product of the polypropylene resin has the characteristic of light weight, the main material of the non-woven fabric is the polypropylene resin, and the non-woven fabric is soft in texture and has good air permeability and water-blocking performance.

Furthermore, the conductor 4 is made of soft copper conductors, the stranded soft copper conductors 4 are stranded into a bundle shape, the toughness and the tensile resistance are enhanced, the corrosion resistance of the conductor is improved, the copper wire is small in diameter, large in number and small in bending radius, laying construction is facilitated, and the bending resistance is good.

Further, inoxidizing coating 8 includes corrugated copper pipe layer 12 and fire-retardant nylon layer 13, and the internal surface and the insulating layer 6 of corrugated copper pipe layer 12 are connected, and the surface and the fire-retardant nylon layer 13 of corrugated copper pipe layer 12 are connected, and corrugated copper pipe layer 12 and fire-retardant nylon layer 10, its self can not cause the conflagration, can not burn or combustion-supporting, effectually plays the guard action to the internal line.

Furthermore, the heat insulation layer 6 is made of glass fiber, so that a good heat insulation effect is achieved.

Further, the outer surface of the arc-shaped protrusion 9 is arc-shaped, and the arc-shaped protrusion 9 is arranged at equal intervals, so that the service life of the flexible support body is ensured.

Furthermore, the fire-resistant layer 5 is a ceramic silicon rubber belt which does not absorb moisture and has good flexibility, and the fire-resistant layer can not be damaged by repeated bending and can keep the fire-resistant performance.

Furthermore, the insulating layer 7 is made of cross-linked polyethylene insulation which is a hydrophobic material, so that the insulating layer has good water-blocking and moisture-proof properties and excellent insulating properties; the cross-linked flame-retardant polyolefin insulation has good water resistance and excellent insulation performance, and ensures the long-term stable operation of the cable.

In the description of the present invention, it should be understood that the terms "counterclockwise", "clockwise", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Claims (6)

1. A bendable flexible insulated wire comprises a circuit main body (1), and is characterized by also comprising an insulated wire core (2) and a protective layer (8);

the circuit comprises a circuit main body (1), wherein a plurality of insulating wire cores (2) are arranged inside the circuit main body (1), a water blocking material (3) is filled among the insulating wire cores (2), the water blocking material (3) is in contact with the inner surface of the circuit main body (1), a plurality of conductors (4) are arranged inside the insulating wire cores (2), the conductors (4) are twisted into a bundle shape, a fire-resistant layer (5) is arranged outside the insulating wire cores (2), and an insulating layer (7) is arranged outside the fire-resistant layer (5);

the outside of circuit main part (1) is provided with flexible supporter (11), the surface of flexible supporter (11) is formed with a plurality of arc archs (9), the surface of flexible supporter (11) still is provided with insulating layer (6), the internal surface of insulating layer (6) is formed with arc wall (10), arc wall (10) with arc arch (9) adaptation, arc arch (9) with arc wall (10) correspond the setting, the surface of insulating layer (6) is provided with inoxidizing coating (8).

2. A bendable flexible insulated wire according to claim 1, characterized in that the conductor (4) is constituted by a soft copper conductor.

3. Bendable flexible insulated wire according to claim 1, characterized in that the shielding layer (8) comprises a corrugated copper tube layer (12) and a flame retardant nylon layer (13), the inner surface of the corrugated copper tube layer (12) is connected with the thermal insulation layer (6), the outer surface of the corrugated copper tube layer (12) is connected with the flame retardant nylon layer (13).

4. A bendable flexible insulated wire according to claim 1, wherein the insulation layer (6) is made of glass fibre.

5. A bendable flexible insulated wire according to claim 1, wherein the outer surface of the arc-shaped protrusions (9) is arc-shaped, and the arc-shaped protrusions (9) are equally spaced.

6. A bendable flexible insulated wire according to claim 1, characterized in that the fire resistant layer (5) is a ceramic silicone rubber tape.

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