CN209625899U - A kind of fire-retardant composite wire - Google Patents

Abstract

The utility model belongs to wire and cable field, it is related to a kind of fire-retardant composite wire, the V-shaped structure of fire-retardant composite wire, the fire-retardant composite wire includes the first electric power core positioned at V-structure bottom, the second electric power core positioned at V-structure upper end, communication core between the first electric power core and the second electric power core, and it is coated on the first electric power core, elastic sheath on the outside of second electric power core and communication core, wherein, multiple elastic recovery holes are evenly arranged with around first electric power core, the V-structure inside bottom offers the first groove, the outer middle side part of the V-structure offers the second groove.Fire-retardant composite wire according to the present utility model, it can be achieved that cotton covered wire self-retaining laying installation, substantially reduce route revolution and the occupied space of route；It is synchronous to realize that electric power energy and communication information convey, further decrease indoor route space；And the general safety performance of composite wire can be effectively improved.

Description

A kind of fire-retardant composite wire

Technical field

The utility model belongs to wire and cable field more particularly to a kind of fire-retardant composite wire.

Background technique

Cotton covered wire is the main carrier for loading power transmission to indoor electric, with constantly mentioning for people's living standard The value volume and range of product of height, indoor electric appliance terminal is also continuously increased, and the application of cotton covered wire is also more extensive.Building safety requires not It is disconnected to improve, it is desirable that cotton covered wire has excellent safe military service performance；On the other hand, as decoration cost is higher and higher, how Amount of wiring and wiring space are reduced when wiring, are reduced laid down cost and are of great significance.

Utility model content

For overcome the deficiencies in the prior art, the utility model is intended to provide a kind of fire-retardant composite wire.

One side according to the present utility model provides a kind of fire-retardant composite wire, the fire-retardant V-shaped knot of composite wire Structure, the fire-retardant composite wire includes the first electric power core positioned at V-structure bottom, positioned at the second of V-structure upper end Electric power core, the communication core between the first electric power core and the second electric power core, and be coated on the first electric power core, Elastic sheath on the outside of second electric power core and communication core, wherein be evenly arranged with multiple elasticity around the first electric power core Recovery hole, the V-structure inside bottom offer the first groove, and the outer middle side part of the V-structure offers the second groove.

Exemplary embodiment according to the present utility model, the first electric power core and the second electric power core include metal Conductor and the electric power core flame retardant insulation being coated on the outside of metallic conductor.

Exemplary embodiment according to the present utility model, it is described elasticity sheath with the first electric power core and the second electric power The corresponding position of core is equipped with electric power core mating hole, and the electric power core mating hole is in gear-like, electric power core fire retardant insulating The outer diameter of layer is identical as Gear Root diameter of a circle.

Exemplary embodiment according to the present utility model, the communication core include optical fiber and are successively coated on outside optical fiber The optical fiber lubrication protection layer and optical fiber insulating sheath of side.

Exemplary embodiment according to the present utility model, the elasticity sheath are equipped with communication in the corresponding position of communication core The internal diameter of core mating hole, the communication core mating hole is identical as the outer diameter of the optical fiber insulating sheath.

Exemplary embodiment according to the present utility model, the elasticity recovery hole is in ellipticity.

Exemplary embodiment according to the present utility model, the elasticity sheath are made by flame-proof polyvinyl chloride material.

Exemplary embodiment according to the present utility model, the communication core are located on the outside of the elastic recovery hole.

Compared with prior art, the fire-retardant composite wire of the utility model, have the advantage that 1) by structure design, The self-retaining laying installation for realizing cotton covered wire substantially reduces route revolution and the occupied space of route；2) synchronous to realize electric power The energy and communication information convey, and further decrease indoor route space；3) comprehensive to use fire retardant insulating and jacket material, effectively mention The general safety performance of high composite wire.

Detailed description of the invention

Fig. 1 is the schematic cross-section according to the fire-retardant composite wire of the utility model；

Fig. 2 is the schematic cross-section according to the fire retardant elastic sheath of the fire-retardant composite wire of the utility model.

In figure, A- elasticity sheath, A1- elasticity sheath ontology, A2- electric power core mating hole, A3- communication core mating hole, A4- elasticity recovery hole, the first groove of A5-, the second groove of A6-；B- electric power core, B1- metallic conductor, B2- electric power core are fire-retardant Insulating layer；C- communicates core, C1- optical fiber, C2- optical fiber lubrication protection layer, C3- flame retardant optical fiber insulating sheath.

Specific embodiment

The utility model is described in detail in the following with reference to the drawings and specific embodiments.

As shown in Figure 1, a kind of fire-retardant composite wire is generally in V-structure.The fire-retardant composite wire includes being located at V-type First electric power core of structural base, the second electric power core positioned at V-structure upper end are located at the first electric power core and second Communication core C between electric power core, and be coated on the outside of the first electric power core, the second electric power core and communication core C Elastic sheath A.First electric power core and the second electric power core can be referred to as electric power core B.Wherein, around the first electric power core uniformly Be provided with multiple elastic recovery hole A4, the V-structure inside bottom offers the first groove A5, on the outside of the V-structure in Portion offers the second groove A6.From Fig. 1 and Fig. 2 as it can be seen that the first groove A5 can by oval tangent with V-structure inside bottom and At.Second groove A6 can have round or oval middle side part is tangent outside forms with V-structure.The position of second groove is located at communication The positive outside of core C.As shown in Figure 1,90 degree of designs can be used in the interior angle of the V-structure and exterior angle.

As shown in Figure 1, the first electric power core and the second electric power core include metallic conductor B1 and are coated on gold Belong to the electric power core flame retardant insulation B2 on the outside of conductor.

As shown in Fig. 2, elasticity sheath A includes elastic sheath ontology A1.The elasticity sheath A with the first electric power core with And second the corresponding position of electric power core be equipped with electric power core mating hole A2, the electric power core mating hole A2 is in gear-like, electricity The outer diameter of line of force core flame retardant insulation B2 is identical as Gear Root diameter of a circle.

As shown in Figure 1, the optical fiber lubrication that the communication core C includes optical fiber C1 and is successively coated on the outside of optical fiber C1 is protected Sheath C2 and optical fiber insulating sheath C3.

As shown in Fig. 2, the elasticity sheath A is equipped with communication core mating hole A3 in the corresponding position communication core C, it is described The internal diameter for communicating core mating hole A3 is identical as the outer diameter of the optical fiber insulating sheath C3.

As shown in Figure 1, the elasticity recovery hole is in ellipticity.

Exemplary embodiment according to the present utility model, the elasticity sheath are made by flame-proof polyvinyl chloride material.

The copper conductor of annealed state can be used in exemplary embodiment according to the present utility model, metallic conductor B1, and core is fire-retardant Insulating layer B2 can be used flame-proof polyvinyl chloride material and be made.

The lubrication protection layer that fire-retardant communication core (i.e. communication core C) includes optical fiber C1 and is successively coated on the outside of optical fiber C1 C2 and flame retardant optical fiber insulating sheath C3.Wherein, lubrication protection layer C2 can be used high temperature-resistant grease and be made, flame retardant optical fiber insulating sheath C3 can be used flame-proof polyvinyl chloride material and be made.

It is designed according to the structure of the fire-retardant composite wire of the utility model embodiment, recombination line may be implemented in architecture indoor wall The right angle edge area of body is laid, the elastic recovery hole when composite wire is installed in rectangular area, in fire retardant elastic sheath It is squeezed to form contraction, and forms outside bounce, be fixed on fire retardant elastic sheath under the action of elastic pressure directly Angular zone.In the fire-retardant recombination line of application the utility model, line arrangement is arranged at wall right angle edge area, is not necessarily to volume Outer route is fixed, and line holding space can be effectively reduced.

The comprehensive design of electric power core and communication core, electric energy and communication information can be carried out in same laying-out Transmission further decreases laid down cost, saves laying space.

Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced It changes, improve, should be included within the scope of protection of this utility model.

Claims (8)

1. a kind of fire-retardant composite wire, which is characterized in that the fire-retardant V-shaped structure of composite wire, the fire-retardant composite wire The first electric power core including being located at V-structure bottom, the second electric power core positioned at V-structure upper end are located at the first electricity Communication core between line of force core and the second electric power core, and it is coated on the first electric power core, the second electric power core and communication Elastic sheath on the outside of core, wherein multiple elastic recovery holes, the V-structure are evenly arranged with around the first electric power core Inside bottom offers the first groove, and the outer middle side part of the V-structure offers the second groove.

2. fire-retardant composite wire according to claim 1, which is characterized in that the first electric power core and the second power line Core includes metallic conductor and the electric power core flame retardant insulation being coated on the outside of metallic conductor.

3. fire-retardant composite wire according to claim 2, which is characterized in that it is described elasticity sheath with the first electric power core And second the corresponding position of electric power core be equipped with electric power core mating hole, the electric power core mating hole is in gear-like, electric power The outer diameter of core flame retardant insulation is identical as Gear Root diameter of a circle.

4. fire-retardant composite wire according to claim 1, which is characterized in that the communication core includes optical fiber and successively It is coated on the optical fiber lubrication protection layer and optical fiber insulating sheath of outer fiber.

5. fire-retardant composite wire according to claim 4, which is characterized in that the elasticity sheath is corresponding in communication core Position is equipped with communication core mating hole, and the internal diameter of the communication core mating hole is identical as the outer diameter of the optical fiber insulating sheath.

6. fire-retardant composite wire according to claim 1, which is characterized in that the elasticity recovery hole is in ellipticity.

7. fire-retardant composite wire according to claim 1, which is characterized in that the elasticity sheath is by flame-proof polyvinyl chloride material Material is made.

8. fire-retardant composite wire according to claim 1, which is characterized in that the communication core is located at the elasticity and restores On the outside of hole.