CN217521767U - Cable with supplementary wire core - Google Patents

Abstract

The utility model belongs to the technical field of cables, in particular to a cable containing supplementary wire cores, which comprises a conductive wire core A5, a conductive wire core B6, a conductive wire core C7, a supplementary wire core 4 and a sheath layer 1; the sheath layer 1 is wrapped outside the conductive wire core A5, the conductive wire core B6, the conductive wire core C7 and the supplementary wire core 4, the conductive wire core A5 and the conductive wire core C7 are symmetrically arranged, and the conductive wire core B6 and the supplementary wire core 4 are symmetrically arranged; supplementary sinle silk 4 is the shaping form, the utility model provides a pair of cable that contains supplementary sinle silk makes this novel cable under the condition that does not change current frock and production technology, practices thrift the cost, improves production efficiency and strengthens the crushing resistance etc. of cable.

Description

Cable containing supplementary wire core

Technical Field

The utility model belongs to the technical field of the cable, especially, relate to a cable that contains supplementary sinle silk.

Background

The cable is an electric energy or signal transmission device, usually consists of several or several groups of conducting wires, is generally manufactured by three steps of drawing, stranding and coating, and is mainly used for transmitting and distributing high-power electric energy, transmitting electric signals, transmitting control signals and the like in an electric power system.

For example, chinese utility model patent CN211044468U discloses an unrecoverable three-core temperature sensing cable, which has three conductors as inner cores, wherein the three conductors are respectively a first conductor, a second conductor and a third conductor, the first conductor is first wrapped with a layer of heat sensitive material, and then wrapped with a layer of meltable insulating material; a layer of meltable insulating material layer is wrapped outside the second conductor, and a layer of heat-sensitive material layer is wrapped on the basis of the meltable insulating material layer; a metal conducting layer is wrapped outside the third conductor; will first conductor, second conductor, third conductor transposition are in the same place to wrap up the outer fire-retardant inoxidizing coating of one deck outside first conductor, second conductor and the third conductor after will twisting, this cable structure is complicated, and the space is great between the electric core, and only wrapped up the fire-retardant inoxidizing coating of one deck outside three electric cores, therefore this cable is easy to be cracked or damaged when receiving external force, needs to change from time to time.

For another example, chinese utility model patent CN214505081U discloses a fire-resistant and fireproof three-core power cable, which comprises an outer protective sheath, an armor layer, a first fire-resistant layer, an inner protective sheath, a fire-resistant filling layer, three bundles of cable cores disposed in the fire-resistant filling layer, and drainage wires disposed in the seams of the three bundles of cable cores, which are sequentially disposed from outside to inside; a first flame-retardant layer is arranged between the outer protective sleeve and the armor layer, a second flame-retardant layer is arranged between the armor layer and the first flame-retardant layer, a third flame-retardant layer is arranged between the first flame-retardant layer and the inner protective sleeve, and a fourth flame-retardant layer is arranged between the inner protective sleeve and the flame-retardant filling layer; the cable core is provided with conductor, conductor shielding layer, conductor insulating layer, insulation shielding layer, semiconduction buffering water-blocking tape, explosion-proof shielding layer and second flame retardant coating from inside to outside, and this cable has set up outer protective sheath, armor, first flame retardant coating, interior protective sheath, fire-retardant filling layer in three bundles of cable cores outsides, and sets up fire-retardant layer between every layer, and this cable outer structure is complicated, is difficult for using current production technology production, and manufacturing cost is higher.

The above patent technologies all adopt traditional cable manufacturing equipment and processes, and the applicant produces a cable containing a supplementary wire core under the conditions of the existing tool and process flow without changing the manufacturing equipment and processes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cable that contains supplementary sinle silk under the condition that does not change current frock and production process flow, prepares out a cable that contains supplementary sinle silk, practices thrift the cost, improves production efficiency and strengthens the crushing resistance etc. of cable.

In order to achieve the above purpose, the utility model discloses a following technical scheme:

the utility model provides a cable containing supplementary sinle silk, including conductive core A, conductive core B, conductive core C, supplementary sinle silk, restrictive coating; the conductive wire core A, the conductive wire core B, the conductive wire core C and the supplementary wire core are externally wrapped with a sheath layer, the conductive wire core A and the conductive wire core C are symmetrically arranged, and the conductive wire core B and the supplementary wire core are symmetrically arranged; the supplementary wire core is shaped.

Further, the cross-sectional area of the supplementary wire core is adjustable.

Further, the cross section of the supplementary wire core is any one of fan-shaped, round, triangular and trapezoidal.

Furthermore, the peripheries of the conductive wire core A, the conductive wire core B and the conductive wire core C are respectively wrapped by independent insulating layers.

Further, the cross-sectional areas of the conductive wire core A and the conductive wire core C are the same.

Furthermore, gaps around the conductive wire core A, the conductive wire core B, the conductive wire core C and the supplementary wire core are filled with flexible materials.

Further, the supplementary wire core is made of a non-metal material.

Compared with the prior art, the utility model provides a cable beneficial effect who contains supplementary sinle silk as follows:

1. the utility model provides a cable that contains supplementary sinle silk, this cable make this novel cable under the condition that does not change current frock and production technology, practice thrift the cost, improve production efficiency etc..

2. The utility model provides a cable that contains supplementary sinle silk, this cable contain supplementary sinle silk, and this supplementary sinle silk is better than traditional cable filler support nature, and this supplementary sinle silk is placed in the biggest expansion department of conductive core, makes the cable crushing resistance who makes stronger.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic cross-sectional structure view of a cable with a supplementary core according to the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-a sheath layer; 2-an insulating layer; 3-a flexible material; 4-supplementary wire core; 5-conductive core a; 6-conductive core B; 7-conductive core C.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, the embodiment of the present application provides a cable including a complementary core, where the conductive core a5, the conductive core B6, the conductive core C7, and the complementary core 4 are wrapped with the sheath layer 1, and the cross-sections of the conductive core a5 and the conductive core C7 are the same in size. The cross section of the supplementary wire core 4 is any one of a sector shape, a circular shape, a triangular shape and a trapezoidal shape, in this embodiment, the supplementary wire core 4 is a sector shape, and the above other shapes can be adjusted according to the user requirement.

The supplementary sinle silk 4 is the shaping form, it sets up the biggest expansion department between the conductive core, the cross-sectional area of this supplementary sinle silk 4 can carry out many size adjustments according to the demand, make supplementary sinle silk 4 install in the suitable position of cable and fixed, the material of this supplementary sinle silk 4 is non-metallic material, its supplementary sinle silk 4 is non-conductive, has good supporting role, place it and fix a position the fixed support in the biggest expansion department between the conductive core, adopt materials such as cable paper, cable hemp as filler or fixed support sinle silk with traditional cable, its crushing resistance reinforcing.

In the embodiment of the application, the peripheries of the conductive wire core A5, the conductive wire core B6 and the conductive wire core C7 are respectively wrapped by independent insulating layers 2, the conductive wire core A5 and the conductive wire core C7 are symmetrically arranged, the conductive wire core B6 and the complementary wire core 4 are symmetrically arranged, the insulating layer 2 wrapped outside the conductive wire core is made of polyethylene or polyvinyl chloride, and the insulating layer 2 protects the inside of the conductive wire core from mechanical damage and chemical corrosion, is not contacted with water vapor and is affected with damp, and prevents the contact conductor from electric shock and the like; gaps around the conductive wire core A5, the conductive wire core B6, the conductive wire core C7 and the supplementary wire core 4 are filled with a flexible material 3, and the flexible material 3 in the embodiment is cable paper or cable hemp; the flexible material 3 is filled and the metal material has the advantages of water resistance, fire resistance and non-conductivity which are not possessed by the metal material. The material of the sheath layer 1 is any one of cross-linked polyethylene or polyvinyl chloride, the sheath layer 1 is coated outside the conductor, and the characteristics of the material enable the cable to adapt to various environmental requirements, so that the long-term stable electrical performance of the cable is maintained, and the service life of the cable can be prolonged.

The embodiment of the application provides a cable containing a supplementary wire core, and the manufacturing process of the cable is as follows: 1. drawing, twisting and annealing the conductive filaments to obtain three conductive wire cores; 2. an insulating layer 2 is coated outside each conductive wire core; 3. combining three conductive wire cores and a supplementary wire core 4 by using original tooling equipment; 4. a solid sheath layer 1 is extruded outside the four wire cores; 5. filling flexible materials 3 into gaps among the sheath layer 1, the three conductive wire cores and the supplementary wire core 4; 6. and (4) making a cable. This application embodiment uses original frock and process flow can produce the cable that contains supplementary sinle silk 4, need not to build the production line in addition again, and this cable makes this novel cable under the condition that does not change current equipment and production technology, has the cost-effective, improves advantages such as production efficiency.

The above-mentioned embodiments are merely descriptions of the preferred embodiments of the present invention, and are not limitations on the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall within the protection scope defined by the device claims of the present invention.

Claims (7)

1. A cable comprising a supplemental cord, characterized in that: the cable comprises a conductive wire core A (5), a conductive wire core B (6), a conductive wire core C (7), a supplementary wire core (4) and a sheath layer (1); the cable comprises a conductive wire core A (5), a conductive wire core B (6), a conductive wire core C (7) and a supplementary wire core (4), wherein the protective sleeve layer (1) is wrapped outside the conductive wire core A (5), the conductive wire core A (5) and the conductive wire core C (7) are symmetrically arranged, the conductive wire core B (6) and the supplementary wire core (4) are symmetrically arranged, and the supplementary wire core (4) is in a molded shape.

2. A cable containing a supplemental core according to claim 1, wherein: the cross-sectional area of the supplementary wire core (4) is adjustable.

3. A cable containing a supplemental core according to claim 1, wherein: the cross section of the supplementary wire core (4) is any one of sector, round, triangle and trapezoid.

4. A cable containing a supplemental core according to claim 1, wherein: the peripheries of the conductive wire core A (5), the conductive wire core B (6) and the conductive wire core C (7) are respectively wrapped by independent insulating layers (2).

5. A cable containing a supplemental core according to claim 1, wherein: the cross-sectional areas of the conductive wire core A (5) and the conductive wire core C (7) are the same.

6. A cable containing a supplemental core according to claim 1, wherein: the gaps around the conductive wire core A (5), the conductive wire core B (6), the conductive wire core C (7) and the supplementary wire core (4) are filled with flexible materials (3).

7. A cable containing a supplemental cord as claimed in claim 1, wherein: the supplementary wire core (4) is made of non-metal materials.

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