CN210052569U - Low-temperature-resistant flame-retardant wire cable - Google Patents
Low-temperature-resistant flame-retardant wire cable Download PDFInfo
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- CN210052569U CN210052569U CN201921285509.XU CN201921285509U CN210052569U CN 210052569 U CN210052569 U CN 210052569U CN 201921285509 U CN201921285509 U CN 201921285509U CN 210052569 U CN210052569 U CN 210052569U
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- insulating layer
- retardant
- arc
- cable
- elastic
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 37
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims description 24
- 238000005728 strengthening Methods 0.000 claims abstract description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 229920000742 Cotton Polymers 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 6
- 244000043261 Hevea brasiliensis Species 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920003052 natural elastomer Polymers 0.000 claims description 3
- 229920001194 natural rubber Polymers 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 1
- 238000004321 preservation Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
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Abstract
The utility model relates to an electric wire and cable technical field, and a fire-retardant electric wire and cable of low temperature resistant is disclosed, including four lead the core, fire-retardant layer, the insulating layer, insulating layer and lag, four lead the inside that the core all is located fire-retardant layer, the insulating layer sets up the outside at the insulating layer, the outside at the insulating layer is set up to the lag, the inside of insulating layer is encircleed fixedly and is equipped with four arc flexure strips, four lead the inside that the core is located corresponding arc flexure strip respectively, be equipped with the elastic ring between four arc flexure strips, the outer wall of elastic ring all with the outside arcwall fixed connection of four arc flexure strips, the inside of elastic ring is equipped with the strengthening rib, the outer wall of strengthening rib is encircleed fixedly and is equipped with a plurality of even respective elastic columns, the one. The utility model discloses can its high low temperature resistance performance of effectual improvement, improve the bulk strength of cable simultaneously, increase its ability of pulling of anti dragging.
Description
Technical Field
The utility model relates to a wire and cable technical field especially relates to a fire-retardant wire and cable of low temperature resistant.
Background
Cables are generally rope-like cables made by stranding several or groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating.
The existing cable is simple in structure, generally single in structure with an external flame-retardant structure and poor in flame-retardant performance, and the high and low temperature resistance of the cable is poor, so that the use range of the cable is low, and the requirements of users cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the simple structure of cable among the prior art, general single possesses outside fire-retardant structure, and fire-retardant performance is relatively poor, and secondly its high low temperature resistant performance is relatively poor, leads to the lower problem of its scope of use, and the low temperature resistant fire-retardant wire and cable who proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a low-temperature resistant and flame-retardant wire and cable comprises four guide cores, a flame-retardant layer, an insulating layer, a heat-insulating layer and a protective sleeve, wherein the four guide cores are all positioned in the flame-retardant layer, the insulating layer is arranged outside the flame-retardant layer, the heat-insulating layer is arranged outside the insulating layer, the protective sleeve is arranged outside the heat-insulating layer, four arc-shaped elastic sheets are fixedly arranged in the insulating layer in a surrounding manner, the four guide cores are respectively positioned in the corresponding arc-shaped elastic sheets, an elastic ring is arranged between the four arc-shaped elastic sheets, the outer wall of the elastic ring is fixedly connected with the outer arc-shaped surfaces of the four arc-shaped elastic sheets, reinforcing ribs are arranged inside the elastic ring, the outer wall of strengthening rib encircles fixedly and is equipped with a plurality of even respective elasticity posts, and is a plurality of the one end that the strengthening rib was kept away from to the elasticity post all with the inside wall fixed connection of elastic ring.
Preferably, reinforcing pieces are fixedly embedded in the four arc-shaped elastic pieces.
Preferably, the arc-shaped elastic sheet, the elastic ring and the elastic column are all made of natural rubber materials.
Preferably, a plurality of evenly distributed anti-skid protrusions are fixedly arranged on the outer portion of the protecting sleeve.
Preferably, the heat-insulating cotton is filled in the flame-retardant layer and between the guide core, the arc-shaped elastic sheet, the elastic ring and the elastic column.
Preferably, the circumferential wall of the elastic ring is provided with a plurality of uniformly distributed through holes.
Compared with the prior art, the utility model provides a fire-retardant wire and cable of low temperature resistant possesses following beneficial effect:
1. this fire-retardant wire and cable of low temperature resistant, through fire-retardant layer, insulating layer, lag and the heat preservation cotton that is equipped with, can effectual lower external environment to the influence of cable, reduce its temperature and run off, effectual improvement its resistant high low temperature performance.
2. This fire-retardant wire and cable of low temperature resistant, through arc flexure strip, elastic ring, strengthening rib, elasticity post and the enhancement piece that is equipped with, can improve the bulk strength of cable, increase its ability of tearing and pulling.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can its high low temperature resistant performance of effectual improvement, improve the bulk strength of cable simultaneously, increase its ability of tearing resistance and drawing.
Drawings
Fig. 1 is a schematic structural view of a low-temperature resistant and flame-retardant electric wire and cable provided by the present invention;
fig. 2 is a schematic structural view of the elastic ring, the reinforcing ribs and the elastic side surface in fig. 1.
In the figure: 1 guide core, 2 fire-retardant layers, 3 insulating layers, 4 insulating layers, 5 lag, 6 arc elastic sheets, 7 elastic rings, 8 strengthening ribs, 9 elastic columns, 10 reinforcing sheets, 11 through holes and 12 heat preservation cotton.
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.
Referring to fig. 1-2, a low temperature resistant and flame retardant electric wire and cable comprises four guide cores 1, a flame retardant layer 2, an insulating layer 3, a heat insulating layer 4 and a protective sleeve 5, wherein the four guide cores 1 are all positioned inside the flame retardant layer 2, the insulating layer 3 is arranged outside the flame retardant layer 2, the heat insulating layer 4 is arranged outside the insulating layer 3, the protective sleeve 5 is arranged outside the heat insulating layer 4, four arc-shaped elastic sheets 6 are fixedly arranged inside the insulating layer 3 in a surrounding manner, the four guide cores 1 are respectively positioned inside the corresponding arc-shaped elastic sheets 6, elastic rings 7 are arranged among the four arc-shaped elastic sheets 6, the outer walls of the elastic rings 7 are fixedly connected with the outer arc-shaped surfaces of the four arc-shaped elastic sheets 6, reinforcing ribs 8 are arranged inside the elastic rings 7, a plurality of elastic columns 9 are fixedly arranged on the outer walls of the reinforcing ribs 8 in a surrounding manner, and one ends of the elastic columns 9 far away from, when the cable is being dragged and is producing deformation, can make arc flexure strip 6, elastic ring 7, strengthening rib 8 and elasticity post 9 all adopt certain deformation to can increase the bulk strength of cable, increase its ability of tearing and pulling.
All fixed the inlaying in the inside of four arc flexure strips 6 is equipped with and strengthens piece 10, can increase the elastic force of arc flexure strip 6.
The arc-shaped elastic sheet 6, the elastic ring 7 and the elastic column 9 are all made of natural rubber materials.
The fixed non-slip raised 13 that is equipped with a plurality of evenly distributed of lag 5 outside can increase lag 5's anti-skidding frictional force.
The inside on fire-retardant layer 2 just is located and all fills between core 1, arc flexure strip 6, elastic ring 7 and the elasticity post 9 and has the cotton 12 of heat preservation, and cotton 12 of heat preservation and insulating layer 4 can be effectual lower external environment to the influence of cable, reduce its temperature and run off.
A plurality of through holes 11 which are uniformly distributed are formed in the circumferential wall of the elastic ring 7, so that the elastic ring 7 can ensure that gas flows out when being bent.
The utility model discloses in, during the use, through the fire-retardant layer 2 that is equipped with, the insulating layer 3, insulating layer 4, lag 5 and heat preservation cotton 12, heat preservation cotton 12 and insulating layer 4 can be effectual lower external environment to the influence of cable, reduce its temperature loss, effectual improvement its resistant high low temperature performance, arc flexure strip 6 through being equipped with, elastic ring 7, strengthening rib 8, elasticity post 9 and reinforcing piece 10, when the cable is being dragged and is producing deformation, can make arc flexure strip 6, elastic ring 7, strengthening rib 8, elasticity post 9 and reinforcing piece 10 all adopt certain deformation, thereby can increase the bulk strength of cable, increase its ability of dragging is resisted.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A low-temperature-resistant flame-retardant wire cable comprises four guide cores (1), a flame-retardant layer (2), an insulating layer (3), a heat-insulating layer (4) and a protective sleeve (5), and is characterized in that the four guide cores (1) are all positioned inside the flame-retardant layer (2), the insulating layer (3) is arranged outside the flame-retardant layer (2), the heat-insulating layer (4) is arranged outside the insulating layer (3), the protective sleeve (5) is arranged outside the heat-insulating layer (4), four arc-shaped elastic sheets (6) are fixedly arranged inside the insulating layer (3) in a surrounding manner, the four guide cores (1) are respectively positioned inside the corresponding arc-shaped elastic sheets (6), elastic rings (7) are arranged among the four arc-shaped elastic sheets (6), the outer walls of the elastic rings (7) are fixedly connected with the outer arc-shaped surfaces of the four arc-shaped elastic sheets (6), the inside of elasticity circle (7) is equipped with strengthening rib (8), the outer wall of strengthening rib (8) encircles the fixed elasticity post (9) that are equipped with a plurality of even differences, and is a plurality of the one end that strengthening rib (8) were kept away from in elasticity post (9) all with the inside wall fixed connection of elasticity circle (7).
2. The low-temperature-resistant flame-retardant electric wire and cable as claimed in claim 1, wherein reinforcing plates (10) are fixedly embedded in the four arc-shaped elastic plates (6).
3. The low-temperature-resistant flame-retardant electric wire and cable as claimed in claim 1, wherein the arc-shaped elastic sheet (6), the elastic ring (7) and the elastic column (9) are made of natural rubber materials.
4. A low and high temperature resistant flame retardant electric wire and cable according to claim 2, wherein the protecting jacket (5) is externally fixed with a plurality of evenly distributed anti-slip protrusions (13).
5. The low-temperature-resistant flame-retardant electric wire and cable as claimed in claim 1, wherein the flame-retardant layer (2) is filled with insulation cotton (12) between the guide core (1), the arc-shaped elastic sheet (6), the elastic ring (7) and the elastic column (9).
6. The low-temperature-resistant flame-retardant wire and cable as claimed in claim 1, wherein the circumferential wall of the elastic ring (7) is provided with a plurality of uniformly distributed through holes (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921285509.XU CN210052569U (en) | 2019-08-09 | 2019-08-09 | Low-temperature-resistant flame-retardant wire cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921285509.XU CN210052569U (en) | 2019-08-09 | 2019-08-09 | Low-temperature-resistant flame-retardant wire cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210052569U true CN210052569U (en) | 2020-02-11 |
Family
ID=69398748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921285509.XU Active CN210052569U (en) | 2019-08-09 | 2019-08-09 | Low-temperature-resistant flame-retardant wire cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210052569U (en) |
-
2019
- 2019-08-09 CN CN201921285509.XU patent/CN210052569U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 343600 No. 272, Jingjiu Avenue, Jinggangshan economic and Technological Development Zone, Ji'an City, Jiangxi Province Patentee after: Jiangxi Linktrend Cable Tech Co.,Ltd. Country or region after: China Address before: No. 16-18 Jingjiu Avenue, High tech Industrial Development Zone, Ji'an City, Jiangxi Province, China, 343100 Patentee before: JIANGXI LINKTREND CABLE TECH CO.,LTD. Country or region before: China |