CN219800519U - Long-life thermosetting insulated cable for building - Google Patents
Long-life thermosetting insulated cable for building Download PDFInfo
- Publication number
- CN219800519U CN219800519U CN202321187562.2U CN202321187562U CN219800519U CN 219800519 U CN219800519 U CN 219800519U CN 202321187562 U CN202321187562 U CN 202321187562U CN 219800519 U CN219800519 U CN 219800519U
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- Prior art keywords
- protective layer
- layer
- insulated cable
- elastic
- elastic support
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- 229920001187 thermosetting polymer Polymers 0.000 title claims abstract description 17
- 239000010410 layer Substances 0.000 claims abstract description 31
- 239000011241 protective layer Substances 0.000 claims abstract description 26
- 230000008093 supporting effect Effects 0.000 claims abstract description 16
- 239000000945 filler Substances 0.000 claims description 15
- 238000010276 construction Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 3
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 239000012634 fragment Substances 0.000 description 11
- 238000001125 extrusion Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a long-life thermosetting insulated cable for a building, which comprises a protective layer and an elastic supporting sleeve penetrating through the inner side of the protective layer, wherein a plurality of wires are buried in the inner side of the elastic supporting sleeve, a plurality of protrusions which are in contact with the inner wall of the protective layer are arranged on the outer side of the elastic supporting sleeve, a plurality of elastic pieces are arranged between two adjacent protrusions, the protective layer comprises an insulating layer, an armor layer and an inner sheath, the armor layer is covered on the outer side of the inner sheath, and the insulating layer is covered on the outer side of the armor layer. The utility model increases the service life of the cable by improving the compression resistance and tensile resistance of the insulated cable.
Description
Technical Field
The utility model relates to the technical field of insulated cables, in particular to a long-service-life thermosetting insulated cable for building.
Background
The cable is a wire which is formed by twisting one or more wires insulated from each other and is covered with a metal shell layer and an insulating protective layer, and has the functions of moisture resistance, temperature resistance, wear resistance, shielding and the like.
The cable used in the building is characterized in that the use environment is complex, the conditions of humidity, bright water and even high temperature are easy to occur, the requirement on an insulating protection layer outside the cable is high, many cables used in the building are dark wires, the corner positions of the cables are more, when the cables are in contact with the corners in the dark grooves, the cables are easy to receive extrusion force of the corners, the wires inside the cables are easy to extrude, and the performance and the reliability of the cables are influenced by long-term extrusion. To this end we propose a long life thermosetting insulated cable for construction.
Disclosure of Invention
The utility model aims to provide a long-life thermosetting insulated cable for building, which solves the problems of the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the long-life thermosetting insulated cable for the building comprises a protective layer and an elastic supporting sleeve penetrating through the inner side of the protective layer, wherein a plurality of wires are buried in the inner side of the elastic supporting sleeve, a plurality of protrusions which are in contact with the inner wall of the protective layer are arranged on the outer side of the elastic supporting sleeve, and a plurality of elastic sheets are arranged between two adjacent protrusions;
the protective layer comprises an insulating layer, an armor layer and an inner sheath, wherein the armor layer is covered on the outer side of the inner sheath, and the insulating layer is covered on the outer side of the armor layer.
Preferably, the torsional ribs are buried in the geometric center of the inner side of the elastic support sleeve, and the torsional ribs are made of polyurethane materials.
Preferably, the elastic sheet is arc-shaped, and the elastic sheet is welded between the two protrusions.
Preferably, the inner wall surface of the inner sheath is provided with a plurality of filler strips, the number of the filler strips is the same as that of the bulges of the elastic supporting sleeve, and the filler strips face to the position between the two bulges.
Preferably, the insulating layer is made of crosslinked polyethylene.
Compared with the prior art, the utility model has the beneficial effects that:
1. this long-life thermosetting insulated cable for building, insulating layer, armor and inner sheath are located the outside of wire and protect the wire, pass wire in the elastic support cover and can promote tensile resistance and compressive resistance under the elastic support of elastic support cover, further promote cable strength, and the torsion bar sets up in elastic support cover central point put, can promote cable tensile resistance to when making construction's corner to cable extrusion, be difficult to the direct action on the wire, thereby promoted the life of cable.
2. This long-life thermosetting insulated cable for building is provided with the shell fragment that has elasticity in the space department between elastic support cover and the protection layer, thereby when outside extrusion protective layer made elastic support cover deformation, elastic support cover pulling shell fragment deformation produced the buffer force, and when outside extrusion protective layer made the filler strip inward movement, filler strip contradicted elastic support cover or shell fragment, also made the shell fragment produce deformation, had the cushioning effect to outside extrusion force, played the effect of protection wire.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model.
In the figure: 1. a protective layer; 2. a filler strip; 3. an elastic support sleeve; 4. a spring plate; 5. a wire; 6. torsion bars are prevented; 7. an insulating layer; 8. an armor layer; 9. an inner sheath.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1 and 2, the present utility model provides a long-life thermosetting insulated cable for building, which comprises a protective layer 1 and an elastic supporting sleeve 3 passing through the inner side of the protective layer 1, wherein a plurality of wires 5 are buried in the inner side of the elastic supporting sleeve 3, a plurality of protrusions abutting against the inner wall of the protective layer 1 are arranged on the outer side of the elastic supporting sleeve 3, and a plurality of elastic sheets 4 are arranged between two adjacent protrusions;
the protective layer 1 comprises an insulating layer 7, an armor layer 8 and an inner sheath 9, wherein the armor layer 8 is covered on the outer side of the inner sheath 9, and the insulating layer 7 is covered on the outer side of the armor layer 8.
Specifically, the elastic supporting sleeve 3 has high elastic performance, has supporting and protecting effects on the lead 5, and when the outside of the protective layer 1 is extruded, the elastic sheet 4 deforms to buffer the pressure born by the cable.
Wherein: the torsional bar 6 is buried in the geometric center of the inner side of the elastic support sleeve 3, the torsional bar 6 is made of polyurethane materials, and the torsional bar 6 is positioned at the center of the cable and can play a certain tensile effect.
Wherein: the shell fragment 4 is the arc, and shell fragment 4 butt fusion is provided with a plurality of filler strips 2 between two archs, inner sheath 9 inner wall surface, and the quantity of filler strips 2 is the same with the protruding quantity of elastic support cover 3, and filler strip 2 is used for filling protective layer 1 inner gap towards the position between two archs, and when the extrusion protective layer 1 outside, the inward motion of filler strip 2 can contradict shell fragment 4 to the pressure that buffering cable received.
Wherein: the insulating layer 7 is made of crosslinked polyethylene, so that the cable has thermosetting property, good heat resistance, strong load capacity, no melting, chemical corrosion resistance and high mechanical strength.
Working principle:
the utility model relates to a long-life thermosetting insulated cable for building, which is characterized in that an insulating layer 7, an armor layer 8 and an inner sheath 9 are positioned outside a wire 5 to protect the wire 5, the wire 5 penetrating through an elastic supporting sleeve 3 can lift tensile resistance and compressive resistance under the elastic support of the elastic supporting sleeve 3, the cable strength is further improved, and a torsion bar 6 is arranged at the central position of the elastic supporting sleeve 3 and can lift the cable tensile resistance;
the gap department between elastic support cover 3 and protective layer 1 is provided with has elastic shell fragment 4, thereby when outside extrusion protective layer 1 makes elastic support cover 3 deformation, and elastic support cover 3 pulling shell fragment 4 deformation produces the buffer force, and when outside extrusion protective layer 1 made filler strip 2 inward movement, filler strip 2 contradicted elastic support cover 3 or shell fragment 4, makes shell fragment 4 produce deformation equally, has the cushioning effect to outside extrusion force.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although the present utility model has been described 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. The utility model provides a long-life thermosetting insulated cable for building, includes protective layer (1) and passes inboard elastic support sleeve (3) of protective layer (1), its characterized in that: the elastic support sleeve (3), the inner side of the elastic support sleeve (3) is buried with a plurality of wires (5), the outer side of the elastic support sleeve (3) is provided with a plurality of protrusions which are abutted against the inner wall of the protective layer (1), and a plurality of elastic sheets (4) are arranged between two adjacent protrusions;
the protective layer (1) comprises an insulating layer (7), an armor layer (8) and an inner sheath (9), wherein the armor layer (8) is covered on the outer side of the inner sheath (9), and the insulating layer (7) is covered on the outer side of the armor layer (8).
2. The long life thermoset insulated cable for construction of claim 1, wherein: the anti-torsion rib (6) is buried in the geometric center of the inner side of the elastic support sleeve (3), and the anti-torsion rib (6) is made of polyurethane materials.
3. The long life thermoset insulated cable for construction of claim 1, wherein: the elastic sheet (4) is arc-shaped, and the elastic sheet (4) is welded between the two protrusions.
4. The long life thermoset insulated cable for construction of claim 1, wherein: the inner wall surface of the inner sheath (9) is provided with a plurality of filler strips (2), the number of the filler strips (2) is the same as that of the bulges of the elastic supporting sleeve (3), and the filler strips (2) face to positions between two bulges.
5. The long life thermoset insulated cable for construction of claim 1, wherein: the insulating layer (7) is made of crosslinked polyethylene materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321187562.2U CN219800519U (en) | 2023-05-17 | 2023-05-17 | Long-life thermosetting insulated cable for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321187562.2U CN219800519U (en) | 2023-05-17 | 2023-05-17 | Long-life thermosetting insulated cable for building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219800519U true CN219800519U (en) | 2023-10-03 |
Family
ID=88176377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321187562.2U Active CN219800519U (en) | 2023-05-17 | 2023-05-17 | Long-life thermosetting insulated cable for building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219800519U (en) |
-
2023
- 2023-05-17 CN CN202321187562.2U patent/CN219800519U/en active Active
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