CN211319800U - Cable with reduce cable core wearing and tearing extrusion - Google Patents
Cable with reduce cable core wearing and tearing extrusion Download PDFInfo
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- CN211319800U CN211319800U CN202020351282.0U CN202020351282U CN211319800U CN 211319800 U CN211319800 U CN 211319800U CN 202020351282 U CN202020351282 U CN 202020351282U CN 211319800 U CN211319800 U CN 211319800U
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- cable
- sheath
- inner sheath
- extrusion
- core
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- 238000001125 extrusion Methods 0.000 title claims abstract description 23
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 15
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000005299 abrasion Methods 0.000 claims abstract description 7
- 239000003822 epoxy resin Substances 0.000 claims description 21
- 229920000647 polyepoxide Polymers 0.000 claims description 21
- 229920003023 plastic Polymers 0.000 claims description 16
- 239000004033 plastic Substances 0.000 claims description 16
- 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 claims description 7
- 239000003063 flame retardant Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims 1
- 239000004593 Epoxy Substances 0.000 description 6
- 239000003973 paint Substances 0.000 description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
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Abstract
The utility model provides a cable with reduce cable core wearing and tearing extrusion. The cable with the function of reducing cable core abrasion extrusion comprises an outer sheath, cable cores and three-side supporting rubber strips, wherein an inner sheath is installed in the outer sheath, a pressure reduction layer is arranged between the outer sheath and the inner sheath, cable cores with the same specifications are installed in the inner sheath through a limiting mechanism, a polyvinyl chloride insulating sleeve is fixedly sleeved outside each cable core, the three-side supporting rubber strips for improving the stability of the cable cores are installed in the inner sheath, one side end face of each three-side supporting rubber strip is fixedly connected with the inner ring wall of the inner sheath, and the two remaining end faces of each three-side supporting rubber strip are fixedly connected with the outer wall of the polyvinyl chloride insulating sleeve sleeved on the two adjacent cable cores respectively. The utility model provides a cable with reduce cable core wearing and tearing extrusion has the advantage that cable core associativity is low and difficult wearing and tearing.
Description
Technical Field
The utility model relates to a power cable technical field especially relates to a cable with reduce cable core wearing and tearing extrusion.
Background
Electrical cables (cables) are made of one or more mutually insulated conductors and an outer insulating sheath to transmit power or information from one point to another. And the cable includes power cable, control cable, compensation cable, shielding cable, high temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable, etc.
However, in most of the existing cables, due to mutual contact among a plurality of electric wires, once an insulating layer of each electric wire is damaged, the electric wires are easy to be short-circuited with adjacent electric wires, and meanwhile, cable cores are easy to wear, so that the pressure resistance of the cables is poor.
Therefore, it is necessary to provide a cable with reduced core abrasion crush to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a cable with cable core associativity is low and difficult wearing and tearing.
In order to solve the technical problem, the utility model provides a cable with reduce cable core wearing and tearing extrusion includes: the outer sheath is internally provided with an inner sheath, and a pressure reduction layer is arranged between the outer sheath and the inner sheath; the cable comprises cable cores, a plurality of cable cores with the same specification are installed in an inner sheath through a limiting mechanism, and a polyvinyl chloride insulating sleeve is fixedly sleeved outside each cable core; and the three-surface supporting rubber strip is used for improving the stability of the cable core and is arranged in the inner sheath.
Preferably, the step-down layer includes rubber column and T type plastic strip, the equal fixed mounting of a plurality of equal rubber column of specification and T type plastic strip is at the outer lane wall of inner sheath, and another terminal surface of rubber column and T type plastic strip all with the inner circle wall of oversheath, rubber column and T type plastic strip crisscross distribution each other, the T type plastic strip of installation between oversheath and the inner sheath, consequently strengthened the toughness and the tensile strength of the cable sheath that comprises oversheath and inner sheath, and the rubber column has improved the compressive capacity of cable sheath.
Preferably, the limiting mechanism comprises a lining center post, a first epoxy resin arc-shaped plate and a second epoxy resin arc-shaped plate, the lining center post is fixedly arranged at the circle center of the inner sheath through a cross mounting rack, a plurality of first epoxy resin arc-shaped plates which are annularly arranged and uniformly distributed are fixedly arranged on the outer ring wall of the lining center post, the first epoxy resin arc-shaped plates are fixedly connected with the outer wall of the polyvinyl chloride insulating sheath sleeved on the corresponding cable core, a plurality of second epoxy resin arc-shaped plates which are annularly arranged and uniformly distributed are fixedly arranged on the inner ring wall of the inner sheath, the second epoxy resin arc-shaped plates are fixedly connected with the outer wall of the polyvinyl chloride insulating sheath sleeved on the corresponding cable core, the inside of the cable sheath is divided into a plurality of small intervals for installing the cable core through the limiting mechanism, therefore, the relevance among the cable cores is reduced, and the cable cores are fixed in the cable sheath by the first epoxy resin arc-shaped plate, the cable sheath has the advantages that the plurality of cable cores are not easy to wind in the cable sheath, the stability of the cable cores is improved, and accordingly abrasion between the adjacent cable cores is greatly reduced.
Preferably, a lateral end face of the three-side supporting rubber strip is fixedly connected with the inner ring wall of the inner sheath, the two remaining end faces of the three-side supporting rubber strip are fixedly connected with the outer wall of the polyvinyl chloride insulating sleeve which is sleeved on the two adjacent cable cores respectively, and the three-side supporting rubber strip has elasticity due to the adoption, so that the extrusion force between the two adjacent cable cores is reduced when the whole cable is extruded, and the phenomenon of position error of the cable cores in the inner sheath is avoided.
Preferably, the outer sheath is coated with wear-resistant paint, and the wear-resistant paint is made of toughened alumina material, so that the wear resistance of the outer sheath is improved.
Preferably, the inner sheath is coated with a flame retardant coating, and the flame retardant coating adopts flame retardant fibers, so that the flame retardance of the cable is improved.
Compared with the prior art, the utility model provides a cable with reduce cable core wearing and tearing extrusion has following beneficial effect:
1. the utility model discloses a stop gear separates into a plurality of miniareas that are used for installing the cable core with cable sheath inside, consequently has reduced the associativity between each cable core, and first epoxy arc and second epoxy arc fix the cable core in the cable sheath simultaneously for a plurality of cable cores are difficult for causing the winding and have improved the stability of cable core in the cable sheath, thereby have reduced the wearing and tearing between the adjacent cable core;
2. the utility model discloses well trilateral support rubber strip has elasticity owing to the adoption, has consequently reduced the extrusion force between two adjacent cable cores when whole cable receives the extrusion, has avoided the cable core in the inner sheath to take place the phenomenon that the position is changed by mistake.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of a cable with reduced core wear extrusion provided by the present invention;
fig. 2 is an enlarged structural view of the inside of the inner sheath shown in fig. 1.
Reference numbers in the figures: 1. oversheath, 2, inner sheath, 3, step-down layer, 31, rubber column, 32, T type plastic strip, 4, cable core, 5, polyvinyl chloride insulating boot, 6, stop gear, 61, inside lining center post, 62, first epoxy arc, 63, second epoxy arc, 7, trilateral support rubber strip.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a cable with reduced core abrasion and extrusion according to a preferred embodiment of the present invention; fig. 2 is an enlarged structural view of the inside of the inner sheath shown in fig. 1. A cable having reduced core wear extrusion comprising: the cable comprises an outer sheath 1, a cable core 4 and a three-surface supporting rubber strip 7.
In the specific implementation process, as shown in fig. 1 and 2, a plurality of cable cores 4 with the same specification are installed in the inner sheath 2 through a limiting mechanism 6, a polyvinyl chloride insulating sleeve 5 is fixedly sleeved outside each cable core 4, the limiting mechanism 6 comprises a lining central column 61, a first epoxy resin arc-shaped plate 62 and a second epoxy resin arc-shaped plate 63, the lining central column 61 is fixedly arranged at the circle center of the inner sheath 2 through a cross-shaped mounting rack, and a plurality of first epoxy resin arc-shaped plates 62 which are annularly arranged and uniformly distributed are fixedly arranged on the outer ring wall of the lining central column 61, the first epoxy resin arc-shaped plates 62 are fixedly connected with the outer wall of the polyvinyl chloride insulating sleeve 5 which is sleeved on the corresponding cable core 4, a plurality of second epoxy resin arc-shaped plates 63 which are annularly arranged and uniformly distributed are fixedly arranged on the inner ring wall of the inner sheath 2, and the second epoxy resin arc-shaped plate 63 is fixedly connected with the outer wall of the polyvinyl chloride insulating sleeve 5 sleeved on the corresponding cable core 4.
It should be noted that: stop gear 6 separates into a plurality of miniareas that are used for installing cable core 4 with cable sheath inside, has consequently reduced the associativity between each cable core 4, and first epoxy arc 62 and second epoxy arc 63 fix cable core 4 in cable sheath simultaneously for a plurality of cable cores 4 are difficult for causing the winding and have improved the stability of cable core 4 in cable sheath, thereby greatly reduced the wearing and tearing between the adjacent cable core 4.
Referring to fig. 1 and 2, a three-sided supporting rubber strip 7 for improving the stability of the cable core 4 is installed in the inner sheath 2, one side end surface of the three-sided supporting rubber strip 7 is fixedly connected with the inner ring wall of the inner sheath 2, and the remaining two end surfaces of the three-sided supporting rubber strip 7 are respectively fixedly connected with the outer walls of the polyvinyl chloride insulating sleeves 5 sleeved on the two adjacent cable cores 4.
It should be noted that: the three-surface supporting rubber strip 7 has elasticity, so that the extrusion force between two adjacent cable cores 4 is reduced when the whole cable is extruded, and the phenomenon that the cable cores 4 in the inner sheath 2 are subjected to position dislocation is avoided.
Referring to fig. 1, an inner sheath 2 is installed in an outer sheath 1, a pressure reduction layer 3 is arranged between the outer sheath 1 and the inner sheath 2, the pressure reduction layer 3 comprises a rubber column 31 and a T-shaped plastic strip 32, the rubber column 31 and the T-shaped plastic strip 32 with the same specifications are fixedly installed on the outer ring wall of the inner sheath 2, the other end surfaces of the rubber column 31 and the T-shaped plastic strip 32 are respectively distributed on the inner ring wall of the outer sheath 1, and the rubber column 31 and the T-shaped plastic strip 32 are distributed in a staggered mode.
It should be noted that: the T-shaped plastic strip 32 is arranged between the outer sheath 1 and the inner sheath 2, so that the toughness and the tensile capacity of the cable sheath formed by the outer sheath 1 and the inner sheath 2 are enhanced, and the compression resistance of the cable sheath is improved by the rubber column 31.
The outer sheath 1 is coated with wear-resistant paint, the wear-resistant paint is made of toughened alumina material, so that the wear resistance of the outer sheath is improved, the inner sheath 2 is coated with flame-retardant paint, and the flame-retardant paint is made of flame-retardant fiber, so that the flame retardance of the cable is improved.
The utility model provides a theory of operation of cable with reduce cable core wearing and tearing extrusion as follows:
the T-shaped plastic strip 32 arranged between the outer sheath 1 and the inner sheath 2 enhances the toughness and the tensile capacity of a cable sheath formed by the outer sheath 1 and the inner sheath 2, the rubber column 31 between the outer sheath 1 and the inner sheath 2 improves the pressure resistance of the cable sheath, the limiting mechanism 6 divides the inside of the cable sheath into a plurality of small intervals for installing the cable cores 4, so the relevance between the cable cores 4 is reduced, meanwhile, the first epoxy resin arc-shaped plate 62 and the second epoxy resin arc-shaped plate 63 fix the cable cores 4 in the cable sheath, so that the plurality of cable cores 4 are not easy to be wound in the cable sheath and the stability of the cable cores 4 is improved, thereby the abrasion between the adjacent cable cores 4 is greatly reduced, and the three-side supporting rubber strip 7 has elasticity, so the extrusion force between the two adjacent cable cores 4 is reduced when the whole cable is extruded, the phenomenon that the cable core 4 in the inner sheath 2 is misplaced and changed is avoided.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention can be used in other related technical fields, directly or indirectly, or in the same way as the present invention.
Claims (6)
1. A cable having reduced core wear extrusion, comprising:
the pressure-reducing protective sleeve comprises an outer sheath (1), wherein an inner sheath (2) is installed in the outer sheath (1), and a pressure-reducing layer (3) is arranged between the outer sheath (1) and the inner sheath (2);
the cable comprises cable cores (4), wherein a plurality of cable cores (4) with the same specification are installed in the inner sheath (2) through limiting mechanisms (6), and a polyvinyl chloride insulating sleeve (5) is fixedly sleeved outside each cable core (4);
and the three-side supporting rubber strip (7) is used for improving the stability of the cable core (4) and the three-side supporting rubber strip (7) is installed in the inner sheath (2).
2. The cable with the function of reducing cable core abrasion extrusion as recited in claim 1, wherein the pressure reduction layer (3) comprises a rubber column (31) and a T-shaped plastic strip (32), the rubber column (31) and the T-shaped plastic strip (32) are fixedly arranged on the outer ring wall of the inner sheath (2) and the other end surfaces of the rubber column (31) and the T-shaped plastic strip (32) are fixedly arranged on the inner ring wall of the outer sheath (1), and the rubber column (31) and the T-shaped plastic strip (32) are distributed in a mutually staggered manner.
3. The cable with reduced core wear extrusion of claim 1, the limiting mechanism (6) comprises a lining central column (61), a first epoxy resin arc-shaped plate (62) and a second epoxy resin arc-shaped plate (63), the lining central column (61) is fixedly arranged at the circle center of the inner sheath (2) through a cross mounting rack, and the outer ring wall of the lining central column (61) is fixedly provided with a plurality of first epoxy resin arc-shaped plates (62) which are annularly arranged and uniformly distributed, the first epoxy resin arc-shaped plate (62) is fixedly connected with the outer wall of a polyvinyl chloride insulating sleeve (5) sleeved on the corresponding cable core (4), a plurality of second epoxy resin arc-shaped plates (63) which are annularly arranged and uniformly distributed are fixedly arranged on the inner ring wall of the inner sheath (2), and the second epoxy resin arc-shaped plate (63) is fixedly connected with the outer wall of the polyvinyl chloride insulating sleeve (5) sleeved on the corresponding cable core (4).
4. The cable with the function of reducing cable core abrasion extrusion as recited in claim 1, wherein one side end face of the three-face supporting rubber strip (7) is fixedly connected with the inner ring wall of the inner sheath (2), and the remaining two end faces of the three-face supporting rubber strip (7) are respectively fixedly connected with the outer walls of the polyvinyl chloride insulating sleeves (5) sleeved on the two adjacent cable cores (4).
5. Cable with reduced core wear extrusion according to claim 1, characterized in that the outer sheath (1) is coated with a wear resistant coating.
6. Cable with reduced core wear extrusion according to claim 1, characterized in that the inner sheath (2) is coated with a flame retardant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020351282.0U CN211319800U (en) | 2020-03-19 | 2020-03-19 | Cable with reduce cable core wearing and tearing extrusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020351282.0U CN211319800U (en) | 2020-03-19 | 2020-03-19 | Cable with reduce cable core wearing and tearing extrusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211319800U true CN211319800U (en) | 2020-08-21 |
Family
ID=72054081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020351282.0U Expired - Fee Related CN211319800U (en) | 2020-03-19 | 2020-03-19 | Cable with reduce cable core wearing and tearing extrusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211319800U (en) |
-
2020
- 2020-03-19 CN CN202020351282.0U patent/CN211319800U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200821 |