CN209947483U - Novel electric wire with long service life and high bending resistance - Google Patents

Abstract

The utility model discloses a novel electric wire of high anti bending property of high life, including the oversheath, the inboard of oversheath is provided with fire-retardant layer, and the inboard of fire-retardant layer is provided with the wearing layer, and the inboard of wearing layer is provided with the inner sheath, and the inboard of inner sheath evenly is provided with three insulating layers of group, and all through an arc fixed connection between three insulating layers of group, and the inside of insulating layer all is provided with a plurality of conductors, and the inboard of arc is provided with the enhancement post, is provided with buffer gear between the outside of enhancement post and the inner sheath. Has the advantages that: the utility model discloses not only can play fine buffering effect, but also can play fine anti effect of buckling to avoided effectively because of outside extrusion or buckle the damage that brings the conductor, thereby not only guaranteed effectively for the transmission of electric power provides, but also guaranteed effectively for the life of electric wire.

Description

Novel electric wire with long service life and high bending resistance

Technical Field

The utility model relates to an electric wire technical field particularly, relates to a novel electric wire of high anti bending property of high life.

Background

The low-voltage electric wire is widely used for low-voltage power transmission and data signal transmission, and along with continuous upgrading of the consumer market, the electric wire has basic requirements on meeting power transmission and data signal transmission, more and more fields have higher and higher requirements on the service life of products when the products are used, the bending resistance of the electric wire is an important index of the service life, and a plurality of use scenes require that the electric wire needs to meet the bending resistance of high strength.

In the conventional wire structure and process, a plurality of copper wires or other metal wires are used as conductors of the wires by twisting and bundling (as shown in fig. 5), and then the surface layer of the insulation is covered by an extrusion process. Due to the adoption of the total stranding and bundling mode and the traditional stranding process, a plurality of copper wires (or other metal wires) are difficult to be uniformly arranged, so that when the electric wire is bent, the single copper wire (or other metal wires) at the outermost layer is firstly stressed and is continuously bent to cause the copper wire to be broken outwards and inwards, and high-strength bending and continuous bending cannot be met. Therefore, there is an urgent need for innovation of satisfying ability of high strength performance of such electric wire to improve and enhance high reliability and high strength performance guarantee of such product.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem in the correlation technique, the utility model provides a novel electric wire of high anti bending property of high life to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

the utility model provides a novel electric wire of high anti buckling performance of high life, includes the oversheath, the inboard of oversheath is provided with fire-retardant layer, the inboard on fire-retardant layer is provided with the wearing layer, the inboard of wearing layer is provided with the inner sheath, the inboard of inner sheath evenly is provided with three insulating layers of group, and three groups all through an arc fixed connection between the insulating layer, the inside of insulating layer all is provided with a plurality of conductors, the inboard of arc is provided with the enhancement post, just the outside of strengthening the post with be provided with buffer gear between the inner sheath, wherein, the conductor includes a plurality of copper lines and filler, the outside of filler evenly is provided with a plurality ofly the copper line.

Furthermore, the outer sheath and the inner sheath are both made of polyvinyl chloride, the flame-retardant layer is made of flame-retardant fibers, and the wear-resistant layer is made of wear-resistant rubber.

Furthermore, in order to further improve the tensile property and the bending resistance of the electric wire, the filler is made of nylon fibers or aramid fibers.

Furthermore, in order to enable the electric wire to have a buffering effect, the buffering mechanism comprises three groups of supports, one ends of the supports are fixedly connected with the inner side of the inner sheath, the other ends of the supports are provided with two arc-shaped plates, clamping grooves are formed in one sides of the two arc-shaped plates, clamping blocks matched with the clamping grooves are formed in the other sides of the two arc-shaped plates, and a spring layer is arranged between the inner sides of the two arc-shaped plates and the reinforcing columns.

Further, in order to facilitate the installation and the placement of the bracket, the middle part of the first arc-shaped plate is provided with a through hole matched with the bracket.

The utility model has the advantages that:

1. the utility model discloses a buffer gear's use for it not only can play fine buffering effect, but also can play fine anti effect of buckling, thereby has avoided effectively because of the outside damage that extrudees or buckle and bring the conductor, thereby not only provides assurance effectively for the transmission of electric power, but also provides assurance effectively for the life of electric wire.

2. The utility model discloses a conductor is through the transposition design with copper line and filler for the electric wire is at first atress when taking place the physics and buckle be outer little strand copper line tied in a bundle, and external force comprises the common atress of little strand tied in a bundle by many copper lines, reduces the destructiveness of external force to single copper line greatly, and nylon fiber or aramid fiber at little strand center tied in a bundle simultaneously share these external forces with its good tensile strength, thereby effectively strengthen wire conductor's tensile strength and bending resistance.

Drawings

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

Fig. 1 is a schematic structural view of a novel electric wire with a long service life and high bending resistance according to an embodiment of the present invention;

fig. 2 is a partial schematic view of a novel electric wire with a long service life and high bending resistance according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a conductor in a novel electric wire with a long service life and high bending resistance according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a plurality of groups of conductors and insulating layers in a novel electric wire with long service life and high bending resistance according to an embodiment of the present invention;

fig. 5 is a schematic view of a structure of a conventional electric wire.

In the figure:

1. an outer sheath; 2. a flame retardant layer; 3. a wear layer; 4. an inner sheath; 5. an insulating layer; 6. a first arc plate; 7. a conductor; 701. a copper wire; 702. a filler; 8. a through hole; 9. a reinforcement column; 10. a buffer mechanism; 1001. a support; 1002. a second arc-shaped plate; 1003. a card slot; 1004. a clamping block; 1005. and a spring layer.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a novel electric wire of high anti bending property of high life.

Referring to the drawings and the detailed description, as shown in fig. 1-4, a novel electric wire with long service life and high bending resistance according to an embodiment of the present invention includes an outer sheath 1, a flame retardant layer 2 is disposed on the inner side of the outer sheath 1, and the flame retardant layer 2 can be used to achieve a good flame retardant effect, a wear resistant layer 3 is disposed on the inner side of the flame retardant layer 2, and the wear resistant layer 3 is used to effectively improve the wear resistance of the electric wire, so as to effectively prolong the service life of the electric wire, an inner sheath 4 is disposed on the inner side of the wear resistant layer 3, three groups of insulating layers 5 are uniformly disposed on the inner side of the inner sheath 4, the three groups of insulating layers 5 are fixedly connected by an arc plate 6, a plurality of conductors 7 are disposed inside the insulating layers 5, and a reinforcing column 9 is disposed on the inner side of the arc plate 6, and a buffer mechanism 10 is arranged between the outer side of the reinforcing column 9 and the inner sheath 4, wherein the conductor 7 comprises a plurality of copper wires 701 and a filler 702, and the plurality of copper wires 701 are uniformly arranged on the outer side of the filler 702.

When specifically using, the utility model discloses adopt the processing technology that the stranded closed with the wire conductor, at first strand around 1 filler to copper line (or other wire) according to the most complete physical structure with 6 copper lines, make it to become the little strand of unit and gather a bundle (see fig. 3), the filler at its center adopts Nylon fiber (Nylon) or aramid fiber (Kevlar), utilizes the high tensile resistance and the high anti tensile strength ability reinforcing of Nylon or aramid fiber little strand unit's tensile property and anti buckling performance tied in a bundle. Then arranging and twisting the small bundling strand units according to the most complete structure of 6 strands at the periphery of 1 strand in the bundle to form a large strand consisting of 7 strands of small bundling strands, actually adopting the structure, carrying out multi-strand twisting and bundling according to 1, 6, 12, 18, 24 and 30 from inside to outside in the most complete structure sequence according to the total copper wire number required by a conductor, and covering the insulator on the surface layer by an extrusion process to complete the electric wire. When the wire with the structure is physically bent, the outermost bundled small strands of copper wires (or other metal conducting wires) are firstly stressed, external force is jointly applied to the bundled small strands formed by a plurality of copper wires (or other metal conducting wires), the destructiveness of the external force to a single copper wire (or other metal conducting wires) is greatly reduced, and meanwhile, Nylon fibers (Nylon) or aramid fibers (Kevlar) at the center of the bundled small strands share the external force with excellent tensile strength, so that the tensile strength and the bending resistance of the wire conductor are effectively enhanced.

In one embodiment, the outer sheath 1 and the inner sheath 4 are made of polyvinyl chloride, the flame retardant layer 2 is made of flame retardant fibers, and the wear-resistant layer 3 is made of wear-resistant rubber. The insulating layer 5 is a cross-linked polyvinyl chloride insulating layer.

In one embodiment, the filler 702 is made of nylon fiber or aramid fiber. The tensile property and the bending resistance of the small bunched strand unit are enhanced by utilizing the high tensile strength and the high bending resistance of the nylon or aramid fiber.

In one embodiment, the buffer mechanism 10 includes three sets of brackets 1001, one end of each bracket 1001 is fixedly connected to the inner side of the inner sheath 4, the other end of each bracket 1001 is provided with a second arc-shaped plate 1002, a clamping groove 1003 is formed on one side of each second arc-shaped plate 1002, a clamping block 1004 matched with the clamping groove 1003 is formed on the other side of each second arc-shaped plate 1002, and a spring layer 1005 is arranged between the inner side of each second arc-shaped plate 1002 and the reinforcing column 9. Through the use of the buffering mechanism 10, the buffering mechanism not only can play a good buffering effect, but also can play a good anti-bending effect, so that the damage to the conductor caused by external extrusion or bending is effectively avoided, the transmission of electric power is effectively guaranteed, and the service life of the electric wire is effectively guaranteed.

In one embodiment, the middle of the first arc-shaped plate 6 is provided with a through hole 8 matched with the bracket 1001. Through holes 8 are formed, so that the bracket 1001 is convenient to mount and place.

To sum up, with the help of the above technical scheme of the utility model, through buffer gear 10's use for it not only can play fine buffering effect, but also can play fine anti effect of buckling, thereby has avoided effectively because of outside extrusion or the damage of buckling and bringing the conductor, thereby not only provides assurance effectively for the transmission of electric power, but also provides assurance effectively for the life of electric wire.

Furthermore, the utility model discloses a conductor 7 is through the transposition design with copper line 701 and filler 702 for the electric wire is at first the atress be the little strand copper line tied in a bundle of most peripheral when taking place the physics and buckle, and external force comprises the common atress of little strand tied in a bundle by many copper lines, reduces the destructiveness of external force to single copper line greatly, and nylon fiber or aramid fiber at the little strand center tied in a bundle simultaneously share these external forces with its good tensile strength, thereby effectively strengthen wire conductor's tensile strength and bending resistance.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A novel electric wire with long service life and high bending resistance is characterized by comprising an outer sheath (1), the inner side of the outer sheath (1) is provided with a flame-retardant layer (2), the inner side of the flame-retardant layer (2) is provided with a wear-resistant layer (3), an inner sheath (4) is arranged on the inner side of the wear-resistant layer (3), three groups of insulating layers (5) are uniformly arranged on the inner side of the inner sheath (4), and the three groups of insulating layers (5) are fixedly connected through a first arc-shaped plate (6), a plurality of conductors (7) are arranged inside the insulating layer (5), reinforcing columns (9) are arranged on the inner sides of the first arc-shaped plates (6), and a buffer mechanism (10) is arranged between the outer side of the reinforcing column (9) and the inner sheath (4), wherein the conductor (7) comprises a number of copper lines (701) and a filler (702), a plurality of copper wires (701) are uniformly arranged on the outer side of the filler (702).

2. The novel electric wire with long service life and high bending resistance as claimed in claim 1, wherein the outer sheath (1) and the inner sheath (4) are both made of polyvinyl chloride, the flame-retardant layer (2) is made of flame-retardant fibers, and the wear-resistant layer (3) is made of wear-resistant rubber.

3. The novel electric wire with long service life and high bending resistance as claimed in claim 1, wherein the filler (702) is made of nylon fiber or aramid fiber.

4. The novel electric wire with long service life and high bending resistance as claimed in claim 1, wherein the buffer mechanism (10) comprises three groups of brackets (1001), one ends of the brackets (1001) are fixedly connected with the inner side of the inner sheath (4), the other ends of the brackets (1001) are provided with two arc-shaped plates (1002), one sides of the two arc-shaped plates (1002) are provided with clamping grooves (1003), the other sides of the two arc-shaped plates (1002) are provided with clamping blocks (1004) matched with the clamping grooves (1003), and a spring layer (1005) is arranged between the inner sides of the two arc-shaped plates (1002) and the reinforcing column (9).

5. The novel electric wire with long service life and high bending resistance as claimed in claim 4, wherein the middle parts of the first arc-shaped plates (6) are provided with through holes (8) matched with the brackets (1001).

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