CN214099231U - Composite wire and cable - Google Patents

Abstract

The utility model relates to a composite wire and cable, including cable oversheath and the main core of holding in the cable oversheath, the cable oversheath is equipped with insulating flame retardant coating, the outside of main core is equipped with a plurality of side cores that are ring-shaped and distribute, main core and side core all cladding have the conductor, adjacent the support piece of I shape has been clamped between the side core, support piece's one end and main core cooperation, the utility model discloses a cooperation of cable oversheath, insulating flame retardant coating and fire-retardant filling layer constitutes triple protection, improves the fire prevention flame retardant efficiency of cable; and the support piece that adopts the annular to distribute fixes a position the side core that encircles in the main core outside, can wrap up the main core simultaneously, independently separates main core and side core to through fire-retardant filling layer and support piece cooperation, wrap up the side core, strengthen the parcel of main core and side core, and then strengthen the structural strength of cable effectively, improve the stability of main core and side core, avoid inside sinle silk dislocation to lead to the cable to warp the damage.

Description

Composite wire and cable

Technical Field

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

Among the prior art, many inner cores in the cable twine in the outside of main core, perhaps the inner core exists independently, because arranging between the cable, buckle or the pressurized at the cable, the unstability of inner core leads to the cable great deformation to appear, and the dislocation of inside uncertainty differs to the sheath effect of outside, can cause the damage of cable oversheath even. Therefore, in order to solve the above problems, a composite electric wire and cable has been proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a composite electric wire and cable to among the solution prior art, the unstability of inner core leads to the cable great deformation to appear, and the uncertain dislocation of inside differs to outside sheath effect, can cause the damaged problem of cable oversheath even.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a composite wire and cable, includes cable oversheath and the main core of holding in the cable oversheath, the cable oversheath is equipped with insulating flame retardant coating, the outside of main core is equipped with the side core that a plurality of is the annular and distributes, main core and the equal cladding of side core have the conductor, and is adjacent the support piece of I shape has been clamped between the side core, support piece's one end and main core cooperation, support piece's the other end is connected with the fire-retardant filling layer of packing between insulating flame retardant coating and side core.

Preferably, two side walls of the support piece close to the side core are provided with arc-shaped clamping grooves, and the clamping grooves are matched with the side core.

Preferably, the support member is provided with arc-shaped positioning grooves along the radial two side end faces of the cable outer sheath, and the positioning grooves are matched with the main core.

Preferably, the outer walls of the main core and the side core are wound with shielding layers.

Preferably, the cable outer sheath, the insulating fireproof layer, the supporting piece and the flame-retardant filling layer are made of flame-retardant rubber.

The utility model discloses possess following beneficial effect at least:

the utility model adopts the matching of the cable outer sheath, the insulating fireproof layer and the flame-retardant filling layer to form triple protection, thereby improving the fireproof and flame-retardant effects of the cable; the supporting pieces distributed in an annular mode are used for positioning the side cores surrounding the outer sides of the main cores, the main cores can be wrapped at the same time, the main cores and the side cores are separated independently, the side cores are wrapped through the matching of the flame-retardant filling layers and the supporting pieces, the wrapping of the main cores and the side cores is enhanced, the structural strength of the cable is effectively enhanced, the stability of the main cores and the side cores is improved, the cable is prevented from being deformed and damaged due to the fact that the inner cores are staggered, meanwhile, the shielding layers are matched with the outer portions of the main cores and the side cores, interference between the main cores and the side cores and between the adjacent side cores is avoided, and when the cable is stripped, after the outer sheaths of the cable, the insulating fireproof layers and the flame-retardant filling layers are stripped, the independent supporting pieces are easier to strip the cable, and the stripping is more convenient.

Drawings

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

fig. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic side sectional view of the present invention;

fig. 4 is a schematic perspective view of the support member of the present invention.

In the reference symbols: 1. a cable outer jacket; 2. an insulating fire-resistant layer; 3. a primary core; 4. a side core; 5. a conductor; 6. a shielding layer; 7. a support member; 8. a card slot; 9. positioning a groove; 10. and a flame-retardant filling layer.

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 efforts belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a compound wire and cable, for realizing above-mentioned purpose, the utility model provides a following technical scheme: a composite electric wire and cable comprises a cable outer sheath 1 and a main core 3 accommodated in the cable outer sheath 1, wherein an insulating fireproof layer 2 is sleeved in the cable outer sheath 1, a plurality of side cores 4 distributed in an annular shape are arranged on the outer side of the main core 3, conductors 5 are respectively wrapped on the main core 3 and the side cores 4, an I-shaped supporting piece 7 is clamped between the adjacent side cores 4, one end of the supporting piece 7 is matched with the main core 3, the other end of the supporting piece 7 is connected with a flame-retardant filling layer 10 filled between the insulating fireproof layer 2 and the side cores 4, the side cores 4 surrounding the outer side of the main core 3 can be positioned through the supporting piece 7, the main core 3 and the side cores 4 are separated independently, the main core 3 is wrapped by the supporting piece 7 distributed in an annular shape, the flame-retardant filling layer 10 is matched with the supporting piece 7, the side cores 4 are wrapped, and the wrapping of the main core 3 and the side cores 4 is strengthened, further, the structural strength of the cable is effectively enhanced, the stability of the main core 3 and the side core 4 is improved, meanwhile, the interference between the main core 3 and the side core 4 and between the adjacent side cores 4 is avoided, and when the cable is stripped, after the outer sheath 1 of the cable, the insulating fireproof layer 2 and the flame-retardant filling layer 10 of the cable are stripped, the independent supporting piece 7 is easier to strip, and the stripping is more convenient.

Wherein, the both sides wall that support piece 7 is close to side core 4 is equipped with curved draw-in groove 8, draw-in groove 8 and the cooperation of side core 4 can clamp the location to side core 4 through draw-in groove 8, improve the protection of side core 4.

The support member 7 is provided with arc-shaped positioning grooves 9 along the radial two side end faces of the cable outer sheath 1, the positioning grooves 9 are matched with the main core 3, the main core 3 can be wrapped by the positioning grooves 9 for positioning, and the protection of the main core 3 is improved.

Wherein, the outer wall of main core 3 and side core 4 all twines shielding layer 6, and is specific, shielding layer 6 is established the weaving layer in the aluminium foil layer outside including the aluminium foil layer and the cover of winding main core 3 and side core 4, can shield main core 3 and side core 4 through shielding layer 6 and protect.

The cable outer sheath 1, the insulating fireproof layer 2, the supporting piece 7 and the flame-retardant filling layer 10 are made of flame-retardant rubber, so that the fireproof and flame-retardant effects of the cable can be improved through triple protection.

The working principle is as follows:

the utility model provides a composite wire and cable, which positions the side core 4 surrounding the main core 3 through the supporting piece 7, and separates the main core 3 and the side core 4 independently, the main core 3 is wrapped by the support members 7 distributed annularly, and is matched with the support members 7 by the flame-retardant filling layer 10, the side cores 4 are wrapped to strengthen the wrapping of the main core 3 and the side cores 4, thereby effectively strengthening the structural strength of the cable, improving the stability of the main core 3 and the side cores 4, avoiding the interference between the main core 3 and the side cores 4 and between the adjacent side cores 4, and when stripping the cable, after stripping the outer sheath 1, the insulating fireproof layer 2 and the flame-retardant filling layer 10 of the cable, the independent support piece 7 is easier to strip, the stripping is more convenient, and the main core 3 and the side core 4 are protected in a triple mode through the cable outer sheath 1, the insulating fireproof layer 2 and the flame-retardant filling layer 10, and the fireproof and flame-retardant effects of the cable are improved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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.

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 (5)

1. The utility model provides a composite wire and cable, its characterized in that includes cable oversheath (1) and main core (3) of holding in cable oversheath (1), cable oversheath (1) endotheca is equipped with insulating flame retardant coating (2), the outside of main core (3) is equipped with side core (4) that a plurality of is the annular and distributes, main core (3) and side core (4) all cladding have conductor (5), and is adjacent support piece (7) of I shape have been clamped between side core (4), the one end and the main core (3) cooperation of support piece (7), the other end of support piece (7) is connected with fire-retardant filling layer (10) of filling between insulating flame retardant coating (2) and side core (4).

2. A composite wire cable according to claim 1, wherein: two side walls of the supporting piece (7) close to the side core (4) are provided with arc-shaped clamping grooves (8), and the clamping grooves (8) are matched with the side core (4).

3. A composite wire cable according to claim 1, wherein: the supporting piece (7) is provided with arc-shaped positioning grooves (9) along the radial two side end faces of the cable outer sheath (1), and the positioning grooves (9) are matched with the main core (3).

4. A composite wire cable according to claim 1, wherein: and the outer walls of the main core (3) and the side core (4) are wound with shielding layers (6).

5. A composite wire cable according to claim 1, wherein: the cable outer sheath (1), the insulating fireproof layer (2), the supporting piece (7) and the flame-retardant filling layer (10) are all made of flame-retardant rubber.

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