CN206931387U

CN206931387U - A kind of skyscraper novel flame-retardant polyolefin insulation electric wire

Info

Publication number: CN206931387U
Application number: CN201720486596.XU
Authority: CN
Inventors: 陈军; 司其东; 任红洋; 马瑞杉
Original assignee: Haixin Electrical Technology Co Ltd
Current assignee: Haixin Electrical Technology Co Ltd
Priority date: 2017-05-04
Filing date: 2017-05-04
Publication date: 2018-01-26
Anticipated expiration: 2027-05-04

Abstract

The utility model discloses a kind of skyscraper novel flame-retardant polyolefin insulation electric wire, including fixed mount, axial cord is installed at the center of the fixed mount, the axial cord runs through fixed mount, multiple outer sleeves are installed on the outside of the fixed mount, the inner surface of the outer sleeve is provided with groove, inner sleeve is installed on the inside of the outer sleeve, the inner sleeve coordinates with outer sleeve and is connected, the outer wall of the inner sleeve is provided with expansion ring, the expansion ring coordinates with groove and is connected, and the positive upper and lower ends of the expansion ring are equipped with opening.Skyscraper novel flame-retardant polyolefin insulation electric wire, fixed by support of the fixed mount to outer sleeve, pass through support and fixation of the outer sleeve to inner sleeve, prevent the sprawling of the intensity of a fire when on fire, the overall tensile capacity of electric wire is added by axial cord, electric wire is not made copper cash or the 5th cortex etc. because being pullled, be pulled off and cause danger or potential safety hazard.

Description

A kind of skyscraper novel flame-retardant polyolefin insulation electric wire

Technical field

Power-line technology field is the utility model is related to, specially a kind of skyscraper novel flame-retardant polyolefin insulation electricity Line.

Background technology

With the development of modern civilization, in distribution system Electrical Appliances Designing, power supply reliability, engineering economy seems increasingly Important, for the electric wire of single, its current capacity generally only takes into account the sectional area of conductor thread core, because electric current increases meeting Raise conductor temperature, the insulating barrier that to have an implied condition here be conductor outsourcing is typically only capable to bear 75 degrees Celsius, temperature Degree can cause insulating barrier that the change in performance occurs if grasping the upper limit, insulating reliability is greatly lowered, and good material can reach To 90 degrees Celsius or higher, such as the patent of Patent No. 200920085317.4, include the metallic conductor at center, insulating barrier, The metallic conductor uses Mica tape, the outer cladding nanometer polyolefin insulation layer of mica tape bag, although adding electric wire Heat-resisting mushroom, but effect is poor on the anti-pressure ability and tensile capacity of electric wire, fire resistance property of electric wire itself is low.

Utility model content

The purpose of this utility model is to provide a kind of skyscraper novel flame-retardant polyolefin insulation electric wire, with solution State the problem of being proposed in background technology.

To achieve the above object, the utility model provides following technical scheme：A kind of skyscraper novel flame-retardant polyene Hydrocarbon insulated electric conductor, including fixed mount, axial cord is installed at the center of the fixed mount, the axial cord runs through fixed mount, institute State and multiple outer sleeves are installed on the outside of fixed mount, the inner surface of the outer sleeve is provided with groove, the inner side of the outer sleeve Inner sleeve is installed, the inner sleeve coordinates with outer sleeve and is connected, and the outer wall of the inner sleeve is provided with expansion ring, described flexible Ring coordinates with groove and is connected, and the positive upper and lower ends of the expansion ring are equipped with opening, and modeling is provided with the inside of the inner sleeve Expects pipe, the 3rd cortex is installed on the inside of the plastic tube, the 3rd flame-retardant layer is installed on the inside of the 3rd cortex, described 4th cortex is installed, to be provided with second on the inside of the 4th cortex draw in the net, and described second draws in the net on the inside of three flame-retardant layers Inner side is provided with drawstring, and second inner side drawn in the net is provided with the second tinfoil layer, is provided with the inside of the second tinfoil layer 5th cortex, the inner side are provided with copper cash.

Preferably, the second flame-retardant layer is installed on the outside of the fixed mount, is provided with the outside of second flame-retardant layer One draws in the net, and first outside drawn in the net is provided with the first flame-retardant layer, and the first tinfoil is provided with the outside of first flame-retardant layer Layer, the second cortex is installed on the outside of the first tinfoil layer.

Preferably, multiple hollow pipes are installed on the inside of second flame-retardant layer.

Preferably, multiple balls are installed on the outside of second cortex.

Preferably, the first cortex is installed on the outside of the ball.

Compared with prior art, the beneficial effects of the utility model are：Skyscraper novel flame-retardant polyolefin insulation Electric wire, fixed by support of the fixed mount to outer sleeve, by support and fixation of the outer sleeve to inner sleeve, pass through inner sleeve pair The support of plastic tube is fixed, and is fixed by support of the plastic tube to the 3rd cortex, be ensure that the steadiness on the inside of electric wire, pass through copper The outside of line is provided with the 5th cortex that polyolefin is made, and has the characteristic such as corrosion-resistant, heat-resisting, effectively reduces because of conductor Overheat sets the outside natural possibility of cortex, brings the isolation of interference ensure that to copper cash in the external world by the second tinfoil layer, leads Body normal conduction electric current, passes through the incombustible characteristic of the 3rd flame-retardant layer, it is therefore prevented that the sprawling of the intensity of a fire when on fire, passes through center Rope adds the overall tensile capacity of electric wire, electric wire is not made copper cash or the 5th cortex etc. because being pullled, is pulled off and occurs Dangerous or potential safety hazard.

Brief description of the drawings

Fig. 1 is the utility model structure diagram；

Fig. 2 is the structural representation of the utility model copper cash；

Fig. 3 is the structural representation of the utility model fixed mount.

In figure：1st, fixed mount, 2, axial cord, 3, first draws in the net, and 4, hollow pipe, the 5, second flame-retardant layer, the 6, first cortex, 7, Ball, the 8, second cortex, the 9, first tinfoil layer, the 10, first flame-retardant layer, 11, outer sleeve, 12, plastic tube, the 13, the 3rd cortex, 14th, the 3rd flame-retardant layer, the 15, the 4th cortex, 16, second draws in the net, the 17, second tinfoil layer, the 18, the 5th cortex, and 19, copper cash, 20, draw Rope, 21, groove, 22, expansion ring, 23, opening, 24, inner sleeve.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：A kind of skyscraper is exhausted with novel flame-retardant polyolefin Edge electric wire, including fixed mount 1, fixed mount 1 are used to support fixed jacket ring 11, the axial cord 2 of fixed mount 1, the raw material of axial cord 2 For polypropylene, insulation high-temperature-resistant has an overall tension effect for increasing electric wire, and axial cord runs through fixed mount 1, fixed mount 1 it is outer Side is provided with three outer sleeves 11, the hard plastic material of outer sleeve 11, and outer sleeve 11 is used to support inner sleeve 24, outer sleeve 11 Inner surface be provided with groove 21, the inner side of outer sleeve 11 is provided with inner sleeve 24, and inner sleeve 24 is used to fix supporting plastic pipe 12, inner sleeve 24 coordinates with outer sleeve 11 and is connected, and the outer wall of inner sleeve 24 is provided with expansion ring 22, and expansion ring 22 is matched somebody with somebody with groove 21 Close and be connected, expansion ring 22 can move in groove 21, and the positive upper and lower ends of expansion ring 22 are equipped with opening 23, with temperature Change, electric wire occurs situation about expanding with heat and contract with cold, and opening 23 is used to prevent inner ring from being arranged by support, rigid fixed effect, inner sleeve 24 inner side is provided with plastic tube 12, and plastic tube 12 is plastic material, for fixing the 3rd cortex 13, the inner side peace of plastic tube 12 Equipped with the 3rd cortex 13, the raw material of the 3rd cortex 13 is polyolefin material, and the 3rd cortex 13 is used to wrapping up the 3rd flame-retardant layer 14, the 3rd The inner side of cortex 13 is provided with the 3rd flame-retardant layer 14, and the 3rd flame-retardant layer 14 forms for fire-retardant rock wool, has incombustible characteristic, The inner side of 3rd flame-retardant layer 14 is provided with the 4th cortex 15, and the raw material of the 4th cortex 15 is polyolefin material, and the 4th cortex 15 is used for Parcel second draws in the net 16, and the inner side of the 4th cortex 15 is provided with second and draws in the net 16, draws in the net 16 to make two layers for asbestos, has fire-retardant Effect, second, which draws in the net 16 inner side, is provided with drawstring 20, and drawstring 20 is made for high molecular polymer, has heat-resisting property Matter, for increasing the tension effect of electric wire, second, which draws in the net 16 inner side, is provided with the second tinfoil layer 17, and the second tinfoil layer 17 is used for Prevent copper cash 19 to be interfered, prevent the entrance of air, the normal transmission of influence of moisture electric current, the second tinfoil layer are carried in air 17 inner side is provided with the 5th cortex 18, and the 5th cortex 18 has raw material polyolefin to be made, and polyolefin has corrosion-resistant, resistance to Hot, water-fast, the features such as insulating properties is high, mechanical strength is good, inner side is provided with copper cash 19, and copper cash 19 is good conductive material, Cost-effective, the outside of fixed mount 1 is provided with the second flame-retardant layer 5, and the second flame-retardant layer 5 forms for fire-retardant rock wool, has non-combustible The characteristic of burning, to prevent on fire and filling electric wire internal pore effect, the inner side of the second flame-retardant layer 5 is provided with 33 skies Heart pipe 4, hollow pipe 4 are that flexible quality of rubber materials is made, for the crushing resistance that increase electric wire is overall, the second flame-retardant layer 5 Outside be provided with first and draw in the net 3, first draws in the net 3 tensile capacity for adding electric wire, and first, which draws in the net 3 outside, is provided with first Flame-retardant layer 10, the second flame-retardant layer 10 are fire-retardant rock wool material, and the outside of the first flame-retardant layer 10 is provided with the first tinfoil layer 9, first Tinfoil 9 prevents air from entering in electric wire, plays anti-tampering effect, and the outside of the first tinfoil layer 9 is provided with the second cortex 8, the Two cortexes 8 are polyolefin material, and for wrapping up the first tinfoil layer 9, the outside of the second cortex 8 is provided with 30 balls 7, rubber Glueballs 7 is flexible quality of rubber materials, and to increase the anti-pressure ability of electric wire, the outside of ball 7 is provided with the first cortex 6, First cortex 6 is polyolefin material, and the first cortex 6 is wrapping up ball 7.

Support of the fixed mount 1 to outer sleeve 11 is fixed, support and fixation of the outer sleeve 11 to inner sleeve 24, in expanded by heating When plastic hoop 12 squeeze inner sleeve 24, the opening on inner sleeve 24 can open, and inner ring 24 drives expansion ring 22 to be moved in groove 21, Support of the inner sleeve 24 to plastic tube 12 is fixed, and support of the plastic tube to the 3rd cortex 13 is fixed, and the outside of copper cash 19, which is provided with, gathers The 5th cortex 18 that alkene is made, second 17 pairs of the tinfoil layer external world bring the isolation of interference ensure that to copper cash 19, conductor Normal conduction electric current, the incombustible characteristic of the 3rd flame-retardant layer 14, it is therefore prevented that the sprawling of the intensity of a fire, axial cord 2 increase when on fire The overall tensile capacity of electric wire, prevents cortex 18 of copper cash 19 or the 5th etc. to be pulled off.

In description of the present utility model, it is to be understood that term " coaxial ", " bottom ", " one end ", " top ", " in Portion ", " other end ", " on ", " side ", " top ", " interior ", " front portion ", " center ", the orientation of the instruction such as " both ends " or position close It is to be described based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplifying, rather than Indicate or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore can not It is interpreted as to limitation of the present utility model.

In addition, term " first ", " second ", " the 3rd ", " the 4th " are only used for describing purpose, and it is not intended that instruction or Relative importance or the implicit quantity for indicating indicated technical characteristic are implied, thus, defines " first ", " second ", " the Three ", at least one this feature can be expressed or be implicitly included to the feature of " the 4th ".

In the utility model, unless otherwise clearly defined and limited, term " installation ", " setting ", " connection ", " Gu Calmly ", the term such as " spinning " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally； Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be with It is connection or the interaction relationship of two elements of two element internals, is limited unless otherwise clear and definite, for this area For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims

1. a kind of skyscraper novel flame-retardant polyolefin insulation electric wire, including fixed mount（1）, it is characterised in that：The fixation Frame（1）Center at axial cord is installed（2）, the axial cord（2）Through fixed mount（1）, the fixed mount（1）Outside peace Equipped with multiple outer sleeves（11）, the outer sleeve（11）Inner surface be provided with groove（21）, the outer sleeve（11）Inner side Inner sleeve is installed（24）, the inner sleeve（24）With outer sleeve（11）Coordinate and be connected, the inner sleeve（24）Outer wall installation There is expansion ring（22）, the expansion ring（22）With groove（21）Coordinate and be connected, the expansion ring（22）Positive upper and lower ends it is equal Provided with opening（23）, the inner sleeve（24）Inner side plastic tube is installed（12）, the plastic tube（12）Inner side be provided with 3rd cortex（13）, the 3rd cortex（13）Inner side the 3rd flame-retardant layer is installed（14）, the 3rd flame-retardant layer（14）'s Inner side is provided with the 4th cortex（15）, the 4th cortex（15）Inner side be provided with second and draw in the net（16）, described second draws in the net （16）Inner side drawstring is installed（20）, described second draws in the net（16）Inner side the second tinfoil layer is installed（17）, described second Tinfoil layer（17）Inner side the 5th cortex is installed（18）, the 5th cortex（18）Inner side copper cash is installed（19）.

A kind of 2. skyscraper novel flame-retardant polyolefin insulation electric wire according to claim 1, it is characterised in that：It is described Fixed mount（1）Outside the second flame-retardant layer is installed（5）, second flame-retardant layer（5）Outside be provided with first and draw in the net（3）, Described first draws in the net（3）Outside the first flame-retardant layer is installed（10）, first flame-retardant layer（10）Outside be provided with first Tinfoil layer（9）, the first tinfoil layer（9）Outside the second cortex is installed（8）.

A kind of 3. skyscraper novel flame-retardant polyolefin insulation electric wire according to claim 2, it is characterised in that：It is described Second flame-retardant layer（5）Inner side multiple hollow pipes are installed（4）.

A kind of 4. skyscraper novel flame-retardant polyolefin insulation electric wire according to claim 2, it is characterised in that：It is described Second cortex（8）Outside multiple balls are installed（7）.

A kind of 5. skyscraper novel flame-retardant polyolefin insulation electric wire according to claim 4, it is characterised in that：It is described Ball（7）Outside the first cortex is installed（6）.