CN216212456U - Double-insulation long-life cable convenient to install - Google Patents
Double-insulation long-life cable convenient to install Download PDFInfo
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- CN216212456U CN216212456U CN202122697318.8U CN202122697318U CN216212456U CN 216212456 U CN216212456 U CN 216212456U CN 202122697318 U CN202122697318 U CN 202122697318U CN 216212456 U CN216212456 U CN 216212456U
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Abstract
The utility model relates to a double-insulation long-life cable convenient to install, which comprises a conductor, wherein a cross-linked polyethylene inner insulation layer, a low-smoke halogen-free polyolefin outer insulation layer, a metal shielding layer, an anti-extrusion layer, a water blocking tape layer, a flame-retardant mica tape layer and an outer sheath are sequentially arranged outside the conductor, transverse extension seats are symmetrically arranged on the left side and the right side of the outer sheath, a plurality of installation supporting pieces are arranged in the outer sheath at intervals along the length direction of the cable, and each installation supporting piece comprises an arc-shaped support arranged in the lower semicircle of the outer sheath and transverse supports arranged at the two ends of the arc-shaped support in the transverse extension seats. The installation support piece is convenient for erecting the cable on the support part, increases the installation convenience, has good insulation performance of extrusion resistance, moisture resistance and flame retardance, and can prolong the service life of the cable.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a double-insulation long-life cable convenient to install.
Background
The wire and cable is a wire product used for transmitting electric (magnetic) energy and information and realizing electromagnetic energy conversion; a wire cable in a broad sense, also referred to as a cable for short, refers to an insulated cable, which can be defined as: an aggregate consisting of; one or more insulated wire cores, and their respective possible coatings, total protective layers and outer protective layers.
The cable is widely used in various fields, is often directly placed on the ground when in use, can be corroded by moisture or moisture, reduces the service life, and is easy to diffuse once a fire disaster happens to a disordered cable, so that potential safety hazards are formed.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a double-insulation long-service-life cable convenient to install.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a two insulating long-life cable convenient to installation, includes the conductor, the conductor is equipped with crosslinked polyethylene inner insulating layer, low smoke and zero halogen polyolefin outer insulating layer, metallic shield layer, anti extrusion layer, the band layer that blocks water, fire-retardant mica tape layer and oversheath outward in proper order, the oversheath left and right sides symmetry is equipped with the horizontal extension seat, be equipped with a plurality of installation support piece along cable length direction interval in the oversheath, every installation support piece all supports and the horizontal support of setting in the horizontal extension seat at arc support both ends including setting up arc in semicircle under in the oversheath.
Hoisting holes correspondingly penetrate through the transverse extending seat and the transverse support.
The anti-extrusion layer comprises a plurality of inner layer arc-shaped frames supported on the outer side of the metal shielding layer and a plurality of outer layer arc-shaped frames supported on the inner side of the water blocking tape layer, and the inner layer arc-shaped frames and the outer layer arc-shaped frames are arranged in a tangent mode.
And a water-absorbing particle filling layer is arranged between the water-blocking tape layer and the flame-retardant mica tape layer.
And a tin coating is arranged between the conductor and the crosslinked polyethylene inner insulating layer.
The outer end of the transverse extension seat is provided with a round chamfer structure.
The utility model has the beneficial effects that: the installation support piece is convenient for erecting the cable on the support component, increases the installation convenience, has the extrusion resistance, the moisture resistance, the flame retardance and the good insulating property, and can prolong the service life of the cable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1-a conductor; 2-crosslinked polyethylene inner insulation layer; 3-low smoke halogen-free polyolefin outer insulating layer; 4-a metallic shielding layer; 5-an anti-extrusion layer; 6-water blocking tape layer; 7-flame retardant mica tape layer; 8-an outer sheath; 9-a laterally extending seat; 10-mounting a support; 11-a water-absorbing particle-filled layer; 12-tin plating;
5.1-inner layer arc frame; 5.2-outer layer arc frame;
10.1-arc support; 10.2-lateral bracing;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1, a double-insulation long-life cable convenient to install includes a conductor 1, the conductor 1 is sequentially provided with a cross-linked polyethylene inner insulation layer 2, a low-smoke halogen-free polyolefin outer insulation layer 3, a metal shielding layer 4, an anti-extrusion layer 5, a water blocking tape layer 6, a flame-retardant mica tape layer 7 and an outer sheath 8, the left side and the right side of the outer sheath 8 are symmetrically provided with a transverse extension seat 9, a plurality of installation support members 10 are arranged in the outer sheath 8 at intervals along the length direction of the cable, and each installation support member 10 includes an arc support 10.1 arranged in the lower semicircle of the outer sheath 8 and a transverse support 10.2 arranged at the two ends of the arc support 10.1 in the transverse extension seat 9.
Hoisting holes correspondingly penetrate through the transverse extending seat 9 and the transverse support 10.2.
The anti-extrusion layer 5 comprises a plurality of inner layer arc-shaped frames 5.1 supported on the outer side of the metal shielding layer 4 and a plurality of outer layer arc-shaped frames 5.2 supported on the inner side of the water blocking tape layer 6, and the inner layer arc-shaped frames 5.1 and the outer layer arc-shaped frames 5.2 are arranged in a tangent mode.
And a water-absorbing particle filling layer 11 is arranged between the water-blocking tape layer 6 and the flame-retardant mica tape layer 7.
And a tin-plated layer 12 is arranged between the conductor 1 and the crosslinked polyethylene inner insulating layer 2.
The outer end of the transverse extension seat 9 is provided with a round chamfer structure.
According to the utility model, the installation support member 10 is arranged, so that a cable can be conveniently erected on the support component, the transverse extension seat 9 and the transverse support 10.2 are correspondingly provided with the hoisting holes in a penetrating manner, and hoisting can be carried out when needed, so that the installation convenience is improved. The crosslinked polyethylene inner insulating layer 2 and the low-smoke halogen-free polyolefin outer insulating layer 3 realize double-layer insulation; the anti-extrusion layer 5 can improve the anti-extrusion performance of the cable; the water-blocking tape layer 6 and the water-absorbing particle filling layer 11 can improve the moisture resistance of the cable; the flame-retardant mica tape layer 7 can improve the flame-retardant property of the cable; the service life of the cable is prolonged integrally.
The utility model has been described in connection with the accompanying drawings, it is to be understood that the utility model is not limited to the specific embodiments disclosed, but is intended to cover various modifications, adaptations or uses of the utility model, and all such modifications and variations are within the scope of the utility model.
Claims (6)
1. The utility model provides a two insulating long-life cable convenient to installation, its characterized in that, includes conductor (1), conductor (1) is equipped with crosslinked polyethylene inner insulating layer (2), low smoke and zero halogen polyolefin outer insulating layer (3), metallic shield layer (4), anti extrusion layer (5), water blocking tape layer (6), fire-retardant mica tape layer (7) and oversheath (8) outward in proper order, oversheath (8) left and right sides symmetry is equipped with horizontal extension seat (9), be equipped with a plurality of erection bracing piece (10) along cable length direction interval in oversheath (8), every erection bracing piece (10) all including setting up arc support (10.1) and the horizontal support (10.2) of setting in horizontal extension seat (9) at arc support (10.1) both ends in outer sheath (8) lower semicircle.
2. Double insulated long-life cable easy to install according to claim 1, characterized in that said lateral extension seats (9), lateral supports (10.2) have corresponding through holes for hanging.
3. Double insulated long-life cable easy to install according to claim 2, characterized in that the anti-extrusion layer (5) comprises several inner arc-shaped shelves (5.1) supported outside the metallic shielding layer (4), several outer arc-shaped shelves (5.2) supported inside the water-blocking tape layer (6), the inner arc-shaped shelves (5.1), the outer arc-shaped shelves (5.2) being arranged tangentially to each other.
4. A double insulated long life cable easy to install according to claim 3, characterized in that a water absorbing particle filling layer (11) is arranged between the water blocking tape layer (6) and the flame retardant mica tape layer (7).
5. Double insulated long life cable easy to install according to claim 4 characterized in that between the conductor (1) and the inner insulating layer (2) of crosslinked polyethylene there is a tin coating (12).
6. A double insulated long life cable easy to install according to claim 5 characterized in that the outer end of said lateral extension seat (9) is provided with a rounded chamfer structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122697318.8U CN216212456U (en) | 2021-11-05 | 2021-11-05 | Double-insulation long-life cable convenient to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122697318.8U CN216212456U (en) | 2021-11-05 | 2021-11-05 | Double-insulation long-life cable convenient to install |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216212456U true CN216212456U (en) | 2022-04-05 |
Family
ID=80903359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122697318.8U Active CN216212456U (en) | 2021-11-05 | 2021-11-05 | Double-insulation long-life cable convenient to install |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216212456U (en) |
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2021
- 2021-11-05 CN CN202122697318.8U patent/CN216212456U/en active Active
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