CN218123033U

CN218123033U - Power cable with bending resistance

Info

Publication number: CN218123033U
Application number: CN202221993275.6U
Authority: CN
Inventors: 杨赐贵
Original assignee: Kunming Hengshuntong Wire And Cable Co ltd
Current assignee: Kunming Hengshuntong Wire And Cable Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-12-23
Anticipated expiration: 2032-07-29

Abstract

The utility model relates to the technical field of cables, in particular to a power cable with bending resistance, which comprises a protective sleeve, wherein the outer circumferential wall of the protective sleeve is fixedly provided with a plurality of fixing rings through glue bonding, a plurality of arc-shaped connecting strips are respectively arranged between two adjacent fixing rings, two ends of each arc-shaped connecting strip are respectively fixedly bonded with two fixing rings corresponding to the two fixing rings through glue bonding, the inner circumferential wall of the protective sleeve is fixedly provided with a flame-retardant sleeve through glue bonding, a mounting bar is arranged in the flame-retardant sleeve, a plurality of support bars are fixedly bonded on the outer circumferential wall of the mounting bar through glue bonding, and the support bars are uniformly arranged at equal intervals; this power cable with bending resistance makes the bending resistance of the device obtain improving through setting up solid fixed ring and arc connecting strip, makes the bending resistance of the device obtain improving through setting up mounting bar, support bar and arc to make when the cable receives crooked effort, the sinle silk is difficult to be damaged, makes the life of cable obtain the extension.

Description

Power cable with bending resistance

Technical Field

The utility model relates to the technical field of cables, specifically be a power cable with bending resistance.

Background

The cable is an electric energy or signal transmission device, and usually consists of several or several groups of conducting wires, and the electric wire and cable products adopted by the power system mainly comprise an overhead bare wire, a bus bar, a power cable, a branch cable, an electromagnetic wire, an electric equipment wire and cable for power equipment, and the like.

The utility model is CN 215731014U's a crosslinked polyethylene insulated power cable, including the power cable body, protector and buffer, the inside of power cable body is provided with protector, the inside of power cable body is provided with buffer, protector includes the waterproof layer, the inside fixed mounting of waterproof layer has the insulating layer, the inside fixed mounting of insulating layer has the polyethylene insulating layer that quantity is four, the equal fixed mounting in inside of four polyethylene insulating layers has the conductor shield layer, the inside of insulating layer just is located fixed mounting between four polyethylene insulating layers and has the aluminium core, the inside fixed mounting of aluminium core has well spacer tube, the inside packing of insulating layer has the sponge filling layer. This insulating power cable of crosslinked polyethylene when playing good insulating effect to can strengthen the back-fire relief heat resistance of cable, so wholly realize the good purpose of protecting effect, and improved the security of power cable body greatly.

Although the device plays good insulating effect simultaneously to can strengthen the back-fire relief heat resistance of cable, so wholly realize the good purpose of protecting effect, and improved the security of power cable body greatly, the device does not possess bending resistance when using, makes when the cable receives crooked effort, and the inside sinle silk of cable damages easily, makes the life of cable shorter, in view of this, we provide a power cable with bending resistance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power cable with bending resistance to solve the problem that proposes in the above-mentioned background art.

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

the utility model provides a power cable with bending resistance, includes the protective sheath, the circumference outer wall of protective sheath is fixed with a plurality of solid fixed rings through the glue bonding, just gu fixed ring is even equidistant range, adjacent two gu be equipped with a plurality of arc connecting strips between the fixed ring respectively, just the arc connecting strip is even equidistant range, the both ends of arc connecting strip are fixed through the glue bonding with rather than two solid fixed rings that the position is corresponding respectively, the circumference inner wall of protective sheath is fixed with fire-retardant cover through the glue bonding, be equipped with the mounting bar in the fire-retardant cover, be fixed with a plurality of support bars through the glue bonding on the circumference outer wall of mounting bar, just the support bar is even equidistant range.

Preferably, the thickness of the protective sleeve is 2-3mm, the protective sleeve is made of flame-retardant composite polyolefin, and the fixing ring and the arc-shaped connecting strip are made of silicon carbide.

Preferably, the thickness of the flame-retardant sleeve is 2-3mm, and the material of the flame-retardant sleeve is fluororubber.

Preferably, the external diameter of mounting bar is 5mm, just the material of mounting bar and support bar is the silicon rubber material.

Preferably, the support bar is kept away from one side surface of mounting bar and is fixed with the arc through glue bonding respectively, the material of arc is thermal-insulated silica gel.

Preferably, a plurality of buffer cavities are formed in the left end of the arc-shaped plate, and the buffer cavities are uniformly arranged at equal intervals.

Preferably, two adjacent support bars are respectively provided with a fan-shaped insulating sleeve, and the fan-shaped insulating sleeves are respectively adhered and fixed with one side surfaces, close to the fan-shaped insulating sleeves, of the two support bars corresponding to the fan-shaped insulating sleeves through glue.

Preferably, the sinle silk installation cavity has been seted up to fan-shaped insulating cover left end, be equipped with the sinle silk in the sinle silk installation cavity, just the sinle silk outer wall closely laminates with sinle silk installation cavity circumference inner wall.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the power cable with the bending resistance, the bending resistance of the device is improved by arranging the fixing ring and the arc-shaped connecting strip;

2. this power cable with bending resistance makes the device's bending resistance obtain improving through setting up mounting bar, support bar and arc to make when the cable receives crooked effort, the sinle silk is difficult to be damaged, makes the life of cable obtain the extension.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic structural view of the middle arc plate of the present invention.

The meaning of each reference number in the figure is:

1. a protective sleeve; 2. a fixing ring; 3. an arc-shaped connecting strip; 4. a flame-retardant sleeve; 5. mounting a bar; 6. a supporting strip; 7. an arc-shaped plate; 8. a buffer chamber; 9. a fan-shaped insulating sleeve; 10. a wire core installation cavity; 11. and (6) a wire core.

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 work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but 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.

Furthermore, the terms "a", "an", and "the" mean two or more unless explicitly limited otherwise.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a power cable with bending resistance, including protective sheath 1, the thickness of protective sheath 1 is 2-3mm, and the material of protective sheath 1 is fire-retardant composite polyolefin, this fire-retardant composite polyolefin is halogen-free material, make protective sheath 1 can not produce the toxic substance when burning, thereby can not endanger personnel's healthy, the circumference outer wall of protective sheath 1 is fixed with a plurality of solid fixed rings 2 through glue bonding, and solid fixed ring 2 is even equidistant range, be used for restricting the crooked of this cable, be equipped with a plurality of arc connecting strips 3 between two adjacent solid fixed rings 2 respectively, be used for restricting the crooked of this cable, and arc connecting strip 3 is even equidistant range, the both ends of arc connecting strip 3 respectively with rather than two solid fixed rings 2 that the position is corresponding through glue bonding fixedly.

It needs to be supplemented that the materials of the fixing ring 2 and the arc-shaped connecting strip 3 are both silicon carbide, and the silicon carbide has stable chemical properties and plays a role in wear resistance and fire prevention and flame retardance.

Furthermore, the circumference inner wall of protective sheath 1 bonds through glue and is fixed with fire-retardant cover 4, and the thickness of fire-retardant cover 4 is 2-3mm, and the material of fire-retardant cover 4 is fluororubber, and fluororubber has heat-resisting and corrosion-resistant performance, plays fire-retardant effect, prevents that the cable from catching fire.

Furthermore, be equipped with mounting bar 5 in the fire-retardant cover 4, the external diameter of mounting bar 5 is 5mm, is used for installing support bar 6.

Specifically, a plurality of support bars 6 are fixedly bonded on the outer wall of the circumference of the mounting bar 5 through glue, the support bars 6 are uniformly arranged at equal intervals, and the mounting bar 5 and the support bars 6 are made of silicon rubber materials and are used for mounting the arc-shaped plates 7.

As the preferred of this embodiment, the support bar 6 is kept away from one side surface of mounting bar 5 and is fixed with arc 7 through the glue bonding respectively, and the material of arc 7 is thermal-insulated silica gel, and thermal-insulated silica gel has lower coefficient of heat conductivity and good heat-proof quality, plays thermal-insulated and protection sinle silk 11 effect.

Specifically, a plurality of cushion chambers 8 have been seted up to 7 left ends of arc, and cushion chamber 8 is even equidistant range, plays the effect of protection sinle silk 11.

Furthermore, fan-shaped insulating sleeves 9 are respectively arranged between two adjacent supporting strips 6, and the fan-shaped insulating sleeves 9 are respectively adhered and fixed with the surfaces of one sides, close to the fan-shaped insulating sleeves 9, of the two supporting strips 6 corresponding to the fan-shaped insulating sleeves 9 through glue, so that an insulating effect is achieved.

Further, sinle silk installation cavity 10 has been seted up to fan-shaped insulating cover 9 left end for install sinle silk 11, is equipped with sinle silk 11 in the sinle

silk installation cavity

10, and 10 circumference inner walls of sinle silk 11 outer walls and sinle silk installation cavity closely laminate.

In the specific use, when the device received external bending force, the relative position between two adjacent solid fixed ring 2 changes, connect two solid fixed ring 2's arc connecting strip 3 and offset bending force, thereby avoid cable bending angle too big, play protection sinle silk 11's effect, at this in-process, receive bending force with the corresponding arc 7 of crooked direction, make the cushion chamber 8 of seting up on this arc 7 extruded and make its inner space diminish, thereby offset bending force, play protection sinle silk 11's effect.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A power cable with bending resistance, comprising a protective sheath (1), characterized in that: the circumference outer wall of protective sheath (1) is fixed with a plurality of solid fixed ring (2) through the glue bonding, just gu fixed ring (2) is even equidistant range, adjacent two gu be equipped with a plurality of arc connecting strip (3) between fixed ring (2) respectively, just arc connecting strip (3) are even equidistant range, the both ends of arc connecting strip (3) are fixed through the glue bonding rather than two solid fixed ring (2) that the position is corresponding respectively, the circumference inner wall of protective sheath (1) is fixed with fire-retardant cover (4) through the glue bonding, be equipped with mounting bar (5) in fire-retardant cover (4), be fixed with a plurality of support bars (6) through the glue bonding on the circumference outer wall of mounting bar (5), just support bar (6) are even equidistant range.

2. A power cable with bending resistance according to claim 1, characterized in that: the thickness of the protective sleeve (1) is 2-3mm, the material of the protective sleeve (1) is flame-retardant composite polyolefin, and the materials of the fixing ring (2) and the arc-shaped connecting strip (3) are silicon carbide.

3. A power cable with bend-resisting properties according to claim 1, characterized in that: the thickness of the flame-retardant sleeve (4) is 2-3mm, and the flame-retardant sleeve (4) is made of fluororubber.

4. A power cable with bend-resisting properties according to claim 1, characterized in that: the external diameter of mounting bar (5) is 5mm, just the material of mounting bar (5) and support bar (6) is the silicon rubber material.

5. A power cable with bending resistance according to claim 1, characterized in that: one side surface that mounting bar (5) were kept away from in support bar (6) is fixed with arc (7) through glue bonding respectively, the material of arc (7) is thermal-insulated silica gel.

6. Power cable with bend-resisting property according to claim 5, characterized in that: a plurality of buffer chambers (8) are arranged at the left end of the arc-shaped plate (7), and the buffer chambers (8) are uniformly arranged at equal intervals.

7. A power cable with bending resistance according to claim 1, characterized in that: adjacent two be equipped with fan-shaped insulating cover (9) between support bar (6) respectively, fan-shaped insulating cover (9) are respectively rather than two support bar (6) that the position corresponds one side surface that is close to fan-shaped insulating cover (9) fixed through glue bonding.

8. Power cable with bend-resisting property according to claim 7, characterized in that: sinle silk installation cavity (10) have been seted up to fan-shaped insulating cover (9) left end, be equipped with sinle silk (11) in sinle silk installation cavity (10), just sinle silk (11) outer wall closely laminates with sinle silk installation cavity (10) circumference inner wall.