Metal sheath cable with high wear resistance

Abstract

The utility model discloses a metal sheath cable with high wear resistance, which comprises a cable, a wear-resistant layer, a first sheath and a second sheath, and is characterized in that the first sheath and the second sheath are arranged on the inner side of the wear-resistant layer; a reinforcing core is arranged in the surrounding middle of the cable cores, and a filling layer is arranged between the cable cores; the insulating layer is arranged outside the cable core and wraps the cable core, and the first protective layer and the second protective layer are mutually crossed and wound to wrap the cable core. According to the utility model, the first protection layer and the second protection layer are arranged in the cable, and the first protection layer and the second protection layer form the metal sheath convenient to bend, so that when the cable is bent, the first protection layer and the second protection layer are more convenient to bend, and meanwhile, the first protection layer at the inner side of the cable is propped against the convex part when the cable is bent; and meanwhile, the outer side between the first protective layer and the second protective layer can stretch out and draw back to a certain extent when the cable is bent, so that the toughness of the cable is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of metal sheath cable, in particular to a metal sheath cable with high wear resistance. BACKGROUND

[0002] Cable is a kind of electric energy or signal transmission device, usually by several or several groups of wires, cable has power cable, control cable, compensation cable, shielded cable, high temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, ship cable, mine cable, aluminum alloy cable and so on, they are all by single or multi-strand wire and insulating layer composition, to connect circuit, electric appliance etc.

[0003] The prior patent document (CN221101735U) discloses copper core flexible fireproof mineral insulated metal sheath cable, a plurality of wire cores are included, and the wire cores are characterized by being wrapped with an asbestos filling layer outside, the asbestos filling layer is wrapped with an insulating layer one outside, the insulating layer one is wrapped with a steel sheet outside, the steel sheet is left with a gap between, the steel sheet is wrapped with an insulating layer two outside, the insulating layer two is provided with a steel wire inside, and the steel wire is in a spiral shape as a whole, the utility model is provided with a steel sheet, an insulating layer two and a steel wire, the steel sheet wrapped outside the insulating layer one is not a whole, can be scattered and converged at will according to needs, can play a protection effect, and will not hinder the bending of the cable, the insulating layer two outside can prevent the steel sheet from being scattered, and the steel wire inside the insulating layer two can increase the strength of the whole, further strengthens the protection effect of the cable, and will not hinder the bending of the cable.

[0004] Although the above patent document discloses the setting of multiple insulating layers, the steel wire in a spiral shape is arranged outside the insulating layer two during use, the steel sheet in a spiral shape is arranged between the steel wires, the multiple layers are stacked between the steel sheet, the steel wire and the insulating layer two, so that the cable is not convenient to bend, and the toughness is small. UTILITY MODEL CONTENTS

[0005] One purpose of the utility model is to provide a metal sheath cable with high wear resistance, which at least solves any aspect of the above technical problems.

[0006] A further purpose of the utility model is to avoid the influence of multiple layers on the bending property of the cable.

[0007] Another further purpose of the utility model is to improve the protection property and toughness of the cable.

[0008] Particularly, the utility model provides a metal sheath cable with high wear resistance, which comprises a wear-resistant layer arranged outside the cable.

[0009] A first protective layer and a second protective layer are arranged inside the wear-resistant layer;

[0010] The cable core is provided with a reinforcing core in the surrounding middle part, and the cable cores are provided with a filling layer therebetween;

[0011] An insulating layer is arranged outside the cable core and covers the cable core.

[0012] Further, the first protective layer and the second protective layer are arranged in a cross-winding manner, and both the first protective layer and the second protective layer are in a spiral shape.

[0013] Further, the first protective layer has a spiral gap, the second protective layer comprises a protruding part and an extending part, the extending part extends symmetrically to both sides of the protruding part with the protruding part as the center, the protruding part is arranged in the spiral gap of the first protective layer, and the extending part abuts against the first protective layer.

[0014] Further, the first protective layer is a spiral steel sheet.

[0015] Technical effects and advantages of the utility model:

[0016] The utility model discloses a first protective layer and a second protective layer are arranged in the cable, and a metal sheath convenient for bending is formed through the first protective layer and the second protective layer, wherein the first protective layer has a spiral gap, the second sheath has a protruding part, the protruding part is combined with the gap, the cable is protected, when the cable is bent, the first protective layer and the second protective layer can be bent more conveniently, the protruding part is pressed by the first protective layer inside the cable when bending, direct cutting of the cable by the first protective layer is prevented, the outside between the first protective layer and the second protective layer can stretch and contract to a certain extent when bending, and the toughness of the cable is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Some specific embodiments of the utility model will be described in detail hereinafter with reference to the drawings in an exemplary but not restrictive manner. Same reference signs in the drawings indicate same or similar components or parts. Those skilled in the art should understand that the drawings are not necessarily drawn to scale. In the drawings:

[0018] Figure 1 It is a structural schematic view of the utility model.

[0019] Figure 2 It is a combined structural schematic view of the first protective layer and the second protective layer of the utility model.

[0020] Figure 3 It is a structural schematic view of the second protective layer of the utility model.

[0021] Figure 4It is the first protective layer structure schematic view of the utility model.

[0022] In the drawing: 1, wear-resistant layer, 2, first protective layer, 3, second protective layer, 301, extension, 302, protruding part, 4, insulating layer, 5, cable core, 6, reinforcing core. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] Figure 1 It is the structure schematic view of the utility model. Figure 2 It is the first protective layer and the second protective layer combined structure schematic view of the utility model. Figure 3 It is the second protective layer structure schematic view of the utility model. Figure 4 It is the first protective layer structure schematic view of the utility model.

[0025] The scheme of the embodiment provides a metal sheath with high wear resistance, which comprises a cable, a wear-resistant layer 1, a first protective layer 2 and a second protective layer 3, a cable core 5 and an insulating layer 4. The wear-resistant layer 1 is arranged outside the cable. The first protective layer 2 and the second protective layer 3 are arranged on the inner side of the wear-resistant layer 1. The middle part of the cable core 5 is provided with a reinforcing core 6, and the cable core 5 is provided with a filling layer. The insulating layer 4 is arranged outside the cable core 5 and covers the cable core 5. The first protective layer 2 and the second protective layer 3 are cross-wound and arranged in a covering mode, and the first protective layer 2 and the second protective layer 3 are spirally wound between the insulating layer 4 and the wear-resistant layer 1.

[0026] It should be further explained that the first protective layer 2 has a spiral gap, the second protective layer 3 comprises a protruding part 302 and an extension 301, the extension 301 extends symmetrically to both sides of the protruding part 302 with the protruding part 302 as the center, the symmetrically extended extension 301 abuts against the first protective layer 2, thereby forming a metal protective layer, and the protruding part 302 is arranged in the spiral gap of the first protective layer 2, the extension 301 abuts against the first protective layer 2, and the activity of the first protective layer 2 is limited by the protruding part 302.

[0027] It should be further explained that the first protective layer 2 is a spiral steel sheet, which surrounds the cable inside for protection.

[0028] Working principle of the utility model:

[0029] In use, by setting the first sheath 2 and the second sheath 3 in the cable, a metal sheath that is easy to bend is formed by the first sheath 2 and the second sheath 3, wherein the first sheath 2 has a spiral gap, the second sheath has a protruding part 302 that fits the gap, while ensuring the protection of the cable, the first sheath and the second sheath 3 can bend more easily when the cable is bent, and at the same time, the first sheath 2 stops against the protruding part 302 on the inside of the cable when it is bent, preventing the first sheath 2 from directly cutting the cable, and at the same time, the outside between the first sheath 2 and the second sheath 3 can stretch to a certain extent when it is bent, improving the toughness of the cable.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement of some of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the scope of protection of the present application.

Claims

1. A metal-sheathed cable having high abrasion resistance, characterized by, Comprising, a wear-resistant layer (1) arranged outside the cable; a first protective layer (2) and a second protective layer (3) arranged inside the wear-resistant layer (1); a cable core (5) with a reinforcing core (6) arranged in the middle of the cable core (5), and a filler layer arranged between the cable cores (5); an insulation layer (4) arranged outside the cable core (5) and covering the cable core (5).

2. A metal sheathed cable having high abrasion resistance according to claim 1, characterized in that, The first protective layer (2) and the second protective layer (3) are arranged in a cross-wound manner, and both the first protective layer (2) and the second protective layer (3) are in a spiral shape.

3. A metal sheathed cable having high abrasion resistance according to claim 1, characterized in that, The first protective layer (2) has a spiral gap, the second protective layer (3) comprises a protruding portion (302) and an extending portion (301), the extending portion (301) extends symmetrically to both sides of the protruding portion (302) with the protruding portion (302) as the center, the protruding portion (302) is arranged in the spiral gap of the first protective layer (2), and the extending portion (301) abuts against the first protective layer (2).

4. A metal sheathed cable having high abrasion resistance according to claim 1, characterized in that, The first protective layer (2) is a spiral steel sheet.

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