CN212230102U - Anti-deformation and anti-extrusion polyethylene flame-retardant cable - Google Patents
Anti-deformation and anti-extrusion polyethylene flame-retardant cable Download PDFInfo
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- CN212230102U CN212230102U CN202021223561.5U CN202021223561U CN212230102U CN 212230102 U CN212230102 U CN 212230102U CN 202021223561 U CN202021223561 U CN 202021223561U CN 212230102 U CN212230102 U CN 212230102U
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Abstract
The utility model discloses an anti-deformation and anti-extrusion polyethylene flame-retardant cable, include: a cable body, wherein the outer part of the cable body is provided with a heat-shrinkable tube, the inner part of the heat-shrinkable tube is provided with a first sleeve and a second sleeve, the first sleeve and the second sleeve are both arranged in a regular hexagon structure, the first sleeve and the second sleeve are arranged in the cable body of the utility model, the first sleeve and the second sleeve are fixed by hot melting, and the first sleeve forms a first mounting groove, simultaneously first sleeve pipe is provided with six groups and is regular hexagon structure evenly distributed around the second sleeve pipe, the second sleeve pipe is hexagon structure setting and internally mounted has integrated into one piece's strengthening rib, the third mounting groove of hexagon structure just forms the second mounting groove all around and between the second sleeve pipe in the middle part formation of strengthening rib, install outer sinle silk in the first mounting groove, install the center line sinle silk in supplementary sinle silk of installation in the second mounting groove and the third mounting groove, this kind of setting has increased the anti extrusion ability of cable.
Description
Technical Field
The utility model relates to an electric power technology field, more specifically are an anti-deformation and anti-extrusion polyethylene flame-retardant cable.
Background
Electric power is an energy source using electric energy as power. In the 70 s of the 19 th century, the invention and application of electric power opened up the second industrialized climax. The technology becomes one of three technological revolution which occur in the world since 18 th century of human history, and the technology changes the lives of people. The large-scale power system appearing in the 20 th century is one of the most important achievements in the history of human engineering science, and is a power generation and consumption system consisting of links of power generation, power transmission, power transformation, power distribution, power utilization and the like. It converts the primary energy of nature into electric power through mechanical energy devices, and then supplies the electric power to each user through power transmission, transformation and distribution.
Currently, the existing cables have the following problems: 1. the existing cable can be bent frequently when in use, and the cable is easy to be damaged by long-time continuous bending, so that the service life of the cable is shortened; 2. most of the inside cable installation of current cable is the wound form installation during, and the complicacy is complicated between the sinle silk, and influences each other easily. Therefore, a new technical solution needs to be provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anti extrusion's of preapring for an unfavorable turn of events polyethylene flame retarded cable, this cable sets up first sleeve pipe and second sleeve pipe in the cable body, it is fixed through the mode of hot melt between first sleeve pipe and the second sleeve pipe, and first sleeve pipe forms first mounting groove, first sleeve pipe is provided with six groups and is regular hexagon structure evenly distributed around the second sleeve pipe simultaneously, the second sleeve pipe is hexagon structure setting and internally mounted has integrated into one piece's strengthening rib, the third mounting groove of hexagon structure just forms the second mounting groove all around and between the second sleeve pipe in the middle part formation of strengthening rib, install outer sinle silk in the first mounting groove, install the center line sinle silk in supplementary sinle silk of installation and the third mounting groove in the second mounting groove, this kind of setting has increased the anti extrusion ability of cable, prevent simultaneously deforming, satisfy the practical application demand.
In order to achieve the above object, the utility model provides a following technical scheme: a deformation-preventing extrusion-resistant polyethylene flame-retardant cable comprising: the cable comprises a cable body, wherein a heat-shrinkable tube is arranged outside the cable body, a first sleeve and a second sleeve are arranged inside the heat-shrinkable tube, the first sleeve and the second sleeve are both arranged in a regular hexagonal structure, the first sleeve and the second sleeve are fixed in a hot melting mode, the second sleeve is positioned at the center of the cable body and is provided with six groups and is uniformly distributed around the second sleeve, a first mounting groove is formed inside the first sleeve, an outer wire core is arranged inside the first mounting groove, the outer wire core and the first mounting groove are mutually embedded, reinforcing ribs are arranged inside the second sleeve and are provided with a plurality of groups, a regular hexagonal supporting structure is formed inside the second sleeve by the reinforcing ribs, a second mounting groove and a third mounting groove are formed by the second sleeve through the reinforcing ribs, an auxiliary wire core is arranged inside the second mounting groove, and a central wire core is arranged inside the third mounting groove, the heat-shrinkable tube is sequentially provided with a heat-insulating layer, a metal mesh, an outer flame-retardant layer and a shielding layer from top to bottom.
As a preferred embodiment of the present invention, the gaps formed between the first sleeve and the heat-shrinkable tube and between the second sleeve and the heat-shrinkable tube are uniformly filled with flame-retardant fillers, and the flame-retardant fillers are polyethylene flame retardants.
As an embodiment of the present invention, the outer core, the central core and the auxiliary core are all provided with an inner flame-retardant layer and an insulating layer.
As a preferred embodiment of the present invention, the first sleeve, the second sleeve and the reinforcing rib are made of a high molecular polyethylene material.
As a preferred embodiment of the present invention, the heat insulating layer, the outer flame retardant layer and the shielding layer are fixed to the metal mesh by thermal fusion.
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) the utility model discloses inside first sleeve pipe and the second sleeve pipe of setting up of cable body, it is fixed through the mode of heat fusion between first sleeve pipe and the second sleeve pipe, and first sleeve pipe forms first mounting groove, first sleeve pipe is provided with six groups and is regular hexagon structure evenly distributed around the second sleeve pipe simultaneously, the second sleeve pipe is hexagon structure setting and internally mounted has integrated into one piece's strengthening rib, the third mounting groove of hexagon structure forms the second mounting groove in the middle part formation all around and between the second sleeve pipe, install outer sinle silk in the first mounting groove, install the center line sinle silk in supplementary sinle silk of installation and the third mounting groove in the second mounting groove, this kind of setting has increased the anti extrusion ability of cable, prevent simultaneously to warp.
(2) The utility model discloses set up the interior flame retardant coating and the outside insulating layer that sets up that the polyethylene material made in the outside of sinle silk, the security of sinle silk has been increased, it sets up the metal mesh to set up insulating layer and insulating layer lower part in the outside of heat-shrinkable tube simultaneously, outer flame retardant coating and shielding layer have increased the security and the fire resistance of cable body, fill fire-retardant filler in the gap that forms between first sleeve pipe and second sleeve pipe and heat-shrinkable tube simultaneously, the structural strength who has not only increased the cable body has still increased the fire resistance of cable body.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of a second sleeve structure according to the present invention;
FIG. 4 is a schematic diagram of the external structure of the core of the present invention;
fig. 5 is a schematic view of the internal structure of the heat shrinkable tube of the present invention.
In the drawing, a cable body-1, a heat-shrinkable tube-2, a first sleeve-3, a first mounting groove-4, an outer wire core-5, a second sleeve-6, an auxiliary wire core-7, a central wire core-8, a flame-retardant filler-9, a reinforcing rib-10, a second mounting groove-11, a third mounting groove-12, an insulating layer-13, an inner flame-retardant layer-14, a heat-insulating layer-15, a metal net-16, an outer flame-retardant layer-17 and a shielding layer-18.
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.
Referring to fig. 1-4, the present invention provides a technical solution: a deformation-preventing extrusion-resistant polyethylene flame-retardant cable comprising: the cable comprises a cable body 1, wherein a heat-shrinkable tube 2 is arranged outside the cable body 1, a first sleeve 3 and a second sleeve 6 are arranged inside the heat-shrinkable tube 2, the first sleeve 3 and the second sleeve 6 are both arranged in a regular hexagonal structure, the first sleeve 3 and the second sleeve 6 are fixed in a hot melting mode, the second sleeve 6 is positioned at the center of the cable body 1, six groups of second sleeves 6 are uniformly distributed around the second sleeve 6, a first mounting groove 4 is formed inside the first sleeve 3, an outer wire core 5 is arranged inside the first mounting groove 4, the outer wire core 5 and the first mounting groove 4 are mutually embedded, a plurality of groups of reinforcing ribs 10 are arranged inside the second sleeve 6, a regular hexagonal supporting structure is formed inside the second sleeve 6 by the plurality of groups of reinforcing ribs 10, a second mounting groove 11 and a third mounting groove 12 are formed by the second sleeve 6 through the reinforcing ribs 10, the cable is characterized in that an auxiliary core 7 is installed in the second installation groove 11, a central core 8 is installed in the third installation groove 12, a heat insulation layer 15, a metal mesh 16, an outer flame-retardant layer 17 and a shielding layer 18 are sequentially arranged from top to bottom of the heat shrinkable tube 2, a first sleeve 3 and a second sleeve 6 are arranged in the cable body 1, the first sleeve 3 and the second sleeve 6 are fixed in a hot melting mode, the first sleeve 3 forms a first installation groove 4, meanwhile, the first sleeve 3 is provided with six groups of hexagonal structures which are uniformly distributed around the second sleeve 6, the second sleeve 6 is arranged in a hexagonal structure and internally provided with an integrally formed reinforcing rib 10, the reinforcing rib 10 forms a third installation groove 12 with a middle hexagonal structure in the middle part and forms a second installation groove 11 between the periphery and the second sleeve, the outer core 5 is installed in the first installation groove 4, the auxiliary core 7 is installed in the second installation groove 11 and the central core 8 is installed in the third installation groove 12, the arrangement increases the anti-extrusion capacity of the cable, meanwhile, deformation is prevented, meanwhile, the heat insulation layer 15 is arranged outside the heat shrinkable tube 2, the metal net 16, the outer flame-retardant layer 17 and the shielding layer 18 are arranged on the lower portion of the heat insulation layer 15, and the safety and the flame retardance of the cable body are increased.
Further improved, as shown in fig. 2: the gaps formed between the first sleeve 3 and the second sleeve 6 and the heat-shrinkable tube 2 are uniformly filled with flame-retardant fillers 9, the flame-retardant fillers 9 are polyethylene flame retardants, and the flame-retardant fillers 9 not only increase the structural strength of the cable body 1, but also increase the flame retardance of the cable body 1.
Further improved, as shown in fig. 4: the outside of outer sinle silk 5, central sinle silk 8 and supplementary sinle silk 7 all is equipped with interior fire-retardant layer 14 and insulating layer 13, and insulating layer 13 and interior fire-retardant layer 14 set up the fire resistance and the interference killing feature that have increased the sinle silk.
Further improved, as shown in fig. 2 and 3: the first sleeve 3, the second sleeve 6 and the reinforcing ribs 10 are all made of high-molecular polyethylene materials, and the high-molecular polyethylene materials have good electrical insulation.
The utility model discloses at the inside first sleeve pipe 3 and the second sleeve pipe 6 that sets up of cable body 1, it is fixed through the mode of heat fusion between first sleeve pipe 3 and the second sleeve pipe 6, and first sleeve pipe 3 forms first mounting groove 4, first sleeve pipe 3 is provided with six groups and is regular hexagon structure evenly distributed around second sleeve pipe 6 simultaneously, second sleeve pipe 6 is hexagon structure setting and internally mounted has integrated into one piece's strengthening rib 10, third mounting groove 12 of hexagon structure and around and second sleeve pipe between form second mounting groove 11 in strengthening rib 10 forms at the middle part, install outer sinle silk 5 in first mounting groove 4, install auxiliary core 7 in second mounting groove 11 and install central line sinle silk 8 in third mounting groove 12, this kind of setting has increased the anti extrusion ability of cable, prevent simultaneously warping, set up insulating layer 15 and insulating layer 15 lower part at the outside of heat shrink tube 2 simultaneously and set up metal mesh 16, The outer flame-retardant layer 17 and the shielding layer 18 increase the safety and flame retardance of the cable body.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides an anti-deformation anti-extrusion polyethylene flame retardant cable which characterized in that: the method comprises the following steps: the cable comprises a cable body (1), wherein a heat-shrinkable tube (2) is arranged outside the cable body (1), a first sleeve (3) and a second sleeve (6) are arranged inside the heat-shrinkable tube (2), the first sleeve (3) and the second sleeve (6) are arranged in a regular hexagonal structure, the first sleeve (3) and the second sleeve (6) are fixed in a hot melting mode, the second sleeve (6) is positioned at the center of the cable body (1), six groups of second sleeves (6) are uniformly distributed around the second sleeve (6), a first installation groove (4) is formed inside the first sleeve (3), an outer wire core (5) is arranged inside the first installation groove (4), the outer wire core (5) and the first installation groove (4) are mutually embedded, reinforcing ribs (10) are arranged inside the second sleeve (6), and a plurality of groups of reinforcing ribs (10) are arranged inside the second sleeve (6), a plurality of groups strengthening rib (10) are at the inside regular hexagon bearing structure that forms of second sleeve pipe (6), second sleeve pipe (6) form second mounting groove (11) and third mounting groove (12) through strengthening rib (10), second mounting groove (11) internally mounted has supplementary sinle silk (7) and third mounting groove (12) internally mounted has central sinle silk (8), heat-shrinkable tube (2) by last insulating layer (15), metal mesh (16), outer flame retardant coating (17) and shielding layer (18) of being equipped with in proper order under to.
2. The anti-deformation and anti-extrusion polyethylene flame-retardant cable according to claim 1, characterized in that: and flame-retardant fillers (9) are uniformly filled in gaps formed between the first sleeve (3) and the second sleeve (6) and the heat-shrinkable tube (2), and the flame-retardant fillers (9) are polyethylene flame retardants.
3. The anti-deformation and anti-extrusion polyethylene flame-retardant cable according to claim 1, characterized in that: the outer portions of the outer wire core (5), the central wire core (8) and the auxiliary wire core (7) are respectively provided with an inner flame-retardant layer (14) and an insulating layer (13).
4. The anti-deformation and anti-extrusion polyethylene flame-retardant cable according to claim 2, characterized in that: the first sleeve (3), the second sleeve (6) and the reinforcing ribs (10) are all made of high-molecular polyethylene materials.
5. The anti-deformation and anti-extrusion polyethylene flame-retardant cable according to claim 1, characterized in that: the heat insulation layer (15), the outer flame-retardant layer (17) and the shielding layer (18) are fixed with the metal mesh (16) in a hot melting mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021223561.5U CN212230102U (en) | 2020-06-29 | 2020-06-29 | Anti-deformation and anti-extrusion polyethylene flame-retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021223561.5U CN212230102U (en) | 2020-06-29 | 2020-06-29 | Anti-deformation and anti-extrusion polyethylene flame-retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212230102U true CN212230102U (en) | 2020-12-25 |
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ID=73912058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021223561.5U Active CN212230102U (en) | 2020-06-29 | 2020-06-29 | Anti-deformation and anti-extrusion polyethylene flame-retardant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212230102U (en) |
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2020
- 2020-06-29 CN CN202021223561.5U patent/CN212230102U/en active Active
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