Flexible reinforced bending special cable
By using a double-layer design for the outer and inner armor layers, the problem of existing special cable armor layers being unable to simultaneously meet the requirements of high toughness and high bending resistance is solved, achieving high bending resistance and flexibility of the cable and avoiding cracking of the armor layer.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2026-03-27
AI Technical Summary
Existing special cables have armor layers that are difficult to size while simultaneously meeting the requirements of high toughness and high bending resistance, and are prone to cracking when bent.
The cable features a double-layer design with an outer armor layer and an inner armor layer. Both the outer and inner armor layers are made of steel wire, which extends along the axial direction of the cable and is arranged closely together. The inner insulation layer has a filler layer to enhance the cable's flexibility and bending resistance.
It improves the cable's bending resistance and flexibility, prevents the armor layer from cracking when bent, and enhances the overall strength and compressive strength of the cable.
Smart Images
Figure CN224052888U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of cable, concretely is a kind of flexible reinforced bending special cable. BACKGROUND
[0002] Special cable is a kind of cable product specially designed for specific occasions and special needs, its performance and structure have higher requirements compared with ordinary cable, its design and manufacture need to meet special requirements such as high temperature resistance, high voltage resistance, anti-interference, bending resistance and the like.
[0003] Bending-resistant special cable is a kind of cable product specially designed for frequent bending and twisting occasions, with excellent flexibility and bending resistance, can change direction constantly in transmission process without problems such as wire breakage or signal interference, to ensure its reliability and stability in complex and harsh environments.
[0004] The existing cable usually installs a circle of armor layer composed of steel wire or copper wire in the cable when enhancing the strength and bending resistance of the cable, however, the radius of the metal wire of single-layer armor layer is small, and the toughness and bending resistance are poor, while the metal wire is thick, there is a risk of cracking when bending, and it is not easy to bend. UTILITY MODEL CONTENT
[0005] The utility model provides a kind of flexible reinforced bending special cable, with the advantages of high bending resistance and flexibility, and the armor layer is not easy to crack when bending, to solve the problem that the size of the armor layer of the existing special cable is not easy to select, and it is difficult to meet high toughness and high bending resistance.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of flexible reinforced bending special cable, including cable sleeve and cable line, further including composite armor layer and filling layer;
[0007] The cable sleeve is double-layer structure, including protective layer and insulating layer, the inner lining and shielding layer are sequentially arranged in the protective layer, and the cable line bundle is located in the inner insulating layer.
[0008] The composite armor layer includes outer armor layer and inner armor layer, the outer armor layer is located between outer protective layer and inner lining, and the inner armor layer is located between shielding layer and inner insulating layer.
[0009] As a preferred technical scheme of the utility model, the outer armor layer and the inner armor layer are both made of steel wire, and the steel wire extends along the axial direction of the cable line and is arranged in a circular shape.
[0010] As a preferred technical scheme of the utility model, the inner insulating layer is arranged on the inner side of the shielding layer, the cable line is located in the inner insulating layer, and the inner armor layer is fixed between the shielding layer and the inner insulating layer.
[0011] As a preferred technical scheme of the utility model, the inner insulation layer is located in the shielding layer, and the filling layer is filled with polyester fiber in the inner insulation layer.
[0012] As a preferred technical scheme of the utility model, the inner insulation layer is located in the shielding layer, and the filling layer is filled with polyester fiber in the inner insulation layer.
[0013] As a preferred technical scheme of the utility model, the inner insulation layer is located in the shielding layer, and the filling layer is filled with polyester fiber in the inner insulation layer.
[0014] As a preferred technical scheme of the utility model, the outer armor layer and the inner armor layer are 3mm-5mm in steel wire radius.
[0015] As a preferred technical scheme of the utility model, the inner insulation layer is located in the shielding layer, and the filling layer is filled with polyester fiber in the inner insulation layer.
[0016] As a preferred technical scheme of the utility model, the outer armor layer and the inner armor layer are 3mm-5mm in steel wire radius.
[0017] As a preferred technical scheme of the utility model, the inner insulation layer is located in the shielding layer, and the filling layer is filled with polyester fiber in the inner insulation layer.
[0018] Compared with the prior art, the utility model provides a kind of flexible reinforced bending special cable, with following beneficial effects:
[0019] The utility model discloses a kind of outer armor layer and inner armor layer of double-layer design, make the support and reinforcement of armored layer to cable more three-dimensional, improve the bending resistance of cable, simultaneously, based on the bending resistance of armored layer of double-layer design, can use thinner armored steel wire, make armored steel wire not easy to bend fracture, improve the bending resistance of cable while, also improve the toughness of cable. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is internal structure schematic view of the utility model embodiment one;
[0021] Figure 2 It is internal structure schematic view of the utility model embodiment two;
[0022] Figure 3 It is internal structure schematic view of the utility model embodiment three;
[0023] Figure 4 The utility model discloses Figure 3 A zone amplification view.
[0024] In the figure: 1, cable cover; 11, protective layer; 12, inner liner; 2, composite cover armoring layer; 21, outer armoring layer; 22, inner armoring layer; 3, inner insulation layer; 4, filling layer; 5, shielding layer; 6, cable wire. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model. Embodiment one
[0026] Please refer to Figure 1 The utility model discloses a kind of flexible reinforced bending special cable, including cable cover 1 and cable wire 6, further including composite armoring layer 2 and filling layer 4;
[0027] The cable cover 1 is double-layer structure, including protective layer 11 and insulation layer, inner liner 12 and shielding layer 5 are sequentially arranged in protective layer 11, and the cable wire 6 is located in inner insulation layer 3;
[0028] Further, the composite armoring layer 2 includes outer armoring layer 21 and inner armoring layer 22, the outer armoring layer 21 is located between outer protective layer 11 and inner liner 12, and the inner armoring layer 22 is located between shielding layer 5 and inner insulation layer 3.
[0029] Specifically, the outer armoring layer 21 and the inner armoring layer 22 are both made of steel wire, which extends along the axial direction of the cable wire 6 and is arranged in a circular shape. The inner insulation layer 3 is arranged on the inner side of the shielding layer 5, the cable wire 6 is located in the inner insulation layer 3, and the inner armoring layer 22 is fixed between the shielding layer 5 and the inner insulation layer 3.
[0030] Specifically, the radius of the steel wire in the outer armoring layer 21 and the inner armoring layer 22 is 4mm, the inner insulation layer 3 is located in the shielding layer 5, and the filling layer 4 is filled with polyester fiber in the inner insulation layer 3.
[0031] In the embodiment, the outer protective layer 11 externally protects the cable, the composite armor layer 2 composed of the outer armor layer 21 and the inner armor layer 22 provides three-dimensional protection for the cable, so that the cable has higher bending resistance and is not easy to be damaged by bending, the inner insulation layer 3 insulates the cable, the shielding layer 5 can shield the external magnetic field to avoid the influence of the magnetic field on the signal transmission of the cable, and the polyester fiber filling layer 4 enhances the overall strength of the cable and improves the pressure resistance of the cable. Embodiment two
[0032] Compared with the first embodiment, the arrangement and installation mode of the cable wire 6 and the filling position of the filling layer 4 are changed in the embodiment, please refer to the attached Figure 2 The inner insulation layer 3 is arranged inside the shielding layer 5, the cable wire 6 is divided into multiple strands and is arranged in the multiple inner insulation layers 3 respectively, the inner armor layer 22 is fixed inside the shielding layer 5, the inner insulation layer 3 is arranged in the shielding layer 5, and the filling layer 4 is filled with polypropylene filling rope between the braided armor layer and the inner insulation layer 3.
[0033] In the embodiment, the cable wire 6 divided into multiple strands can improve the flexibility and tensile resistance of the cable as a whole, and the filling layer 4 between the braided armor layer and the inner insulation layer 3 can increase the mechanical strength of the cable and improve the pressure resistance of the cable. Embodiment three
[0034] Compared with the above embodiments, the arrangement and installation mode of the cable wire 6 and the inner armor layer 22 are changed in the embodiment, the inner insulation layer 3 is arranged inside the shielding layer 5, the cable wire 6 is divided into multiple strands and is arranged in the multiple inner insulation layers 3 respectively, the inner armor layer 22 is fixed outside the inner insulation layer 3 in the outer armor layer 21, the radius of the steel wire in the inner armor layer 22 is 4mm, the radius of the steel wire in the inner armor layer 22 is 2mm, the inner insulation layer 3 is arranged in the shielding layer 5, and the filling layer 4 is filled with polypropylene filling rope between the braided armor layer and the shielding layer 5.
[0035] In the embodiment, the inner armor layer 22 is arranged with multiple groups and wrapped outside the inner insulation layer 3 of the multiple cable wires 6, the radius of the steel wire in the inner armor layer 22 is smaller than that in the first embodiment and the second embodiment, the multiple inner armor layers 22 can independently protect the cable wires 6, and further reduce the influence of bending on the cable wires 6.
Claims
1. A flexible reinforced bend special cable comprising a cable jacket (1) and a cable wire (6), characterized in that, The composite armor layer (2) and the filling layer (4) are further included. The cable sleeve (1) is of a double-layer structure, comprising a protective layer (11) and an insulating layer, the protective layer (11) is sequentially provided with an inner lining layer (12) and a shielding layer (5), and the cable wire (6) is located in the inner insulating layer (3). The composite armor layer (2) comprises an outer armor layer (21) and an inner armor layer (22), the outer armor layer (21) is located between the outer protective layer (11) and the inner lining layer (12), and the inner armor layer (22) is located between the shielding layer (5) and the inner insulating layer (3).
2. A flexible reinforced bend special cable according to claim 1, characterized in that: The outer armor layer (21) and the inner armor layer (22) are both made of steel wires, the steel wires extend along the axial direction of the cable wire (6) and are arranged in a circular shape.
3. A flexible reinforced bend special cable according to claim 2, characterized in that: The inner insulating layer (3) is located inside the shielding layer (5), the cable wire (6) is located in the inner insulating layer (3) as a whole, and the inner armor layer (22) is fixed between the shielding layer (5) and the inner insulating layer (3).
4. A flexible reinforced bend special cable according to claim 3, characterized in that: The inner insulating layer (3) is located inside the shielding layer (5), and the filling layer (4) is filled with polyester fibers in the inner insulating layer (3).
5. A flexible reinforced bend special cable according to claim 2, characterized in that: A plurality of the inner insulating layers (3) are located inside the shielding layer (5), the cable wire (6) is divided into a plurality of strands and is located in the plurality of inner insulating layers (3) respectively, and the inner armor layers (22) are fixed inside the shielding layer (5).
6. A flexible reinforced bend special cable according to claim 5, characterized in that: The inner insulating layer (3) is located inside the shielding layer (5), and the filling layer (4) is filled with a polypropylene filling rope between the braided armor layer and the inner insulating layer (3).
7. A flexible reinforced bend special cable according to claim 4 or 6, characterized in that: The radius of the steel wires in the outer armor layer (21) and the inner armor layer (22) is 3mm-5mm.
8. A flexible reinforced bend special cable according to claim 2, characterized in that: A plurality of the inner insulating layers (3) are located inside the shielding layer (5), the cable wire (6) is divided into a plurality of strands and is located in the plurality of inner insulating layers (3) respectively, and a plurality of the inner armor layers (22) are fixed outside the inner insulating layer (3).
9. A flexible, reinforced, kinked special cable according to claim 8, characterized in that: The radius of the steel wires in the outer armor layer (21) is 3mm-5mm, and the radius of the steel wires in the inner armor layer (22) is 2mm-3mm.
10. A flexible, reinforced, kinked special cable according to claim 9, characterized in that: The inner insulating layer (3) is located inside the shielding layer (5), and the filling layer (4) is filled with a polypropylene filling rope between the braided armor layer and the shielding layer (5).