Waterproof and corrosion-resistant wire cable

Abstract

The utility model relates to the technical field of cables, in particular to a waterproof corrosion-resistant electric wire cable, which comprises a wire core group and an isolation sleeve wrapping the wire core group, the wire core group comprises a protective sleeve and a plurality of copper wire cores arranged in the protective sleeve, the isolation sleeve is nested in the protective sleeve, an outer isolation layer is arranged between the isolation sleeve and the protective sleeve, and the outer isolation layer is arranged in the protective sleeve. A wear-resistant hard rubber sleeve is nested on the outer wall of the isolation sleeve, and the surface of the wear-resistant hard rubber sleeve is coated with an anti-corrosion layer; the outer isolation layer comprises a positioning layer, a plurality of positioning protruding blocks are annularly formed on the surface of the positioning layer, and positioning grooves matched with the positioning protruding blocks are annularly formed in the inner ring wall of the isolation sleeve. A plurality of ring sleeve structures are nested in the outer ring wall of the wear-resistant hard rubber sleeve, each ring sleeve structure comprises a plurality of guide rings which are nested in the axial direction, and annular grooves are formed in the end walls of the two sides of each guide ring respectively; under the cooperation of the wear-resistant hard rubber sleeve and the protective sleeve, the copper wire core is doubly protected, the waterproof, wear-resistant and corrosion-resistant effects are achieved, oxidation reaction does not easily enter the copper wire core after long-time use, and the service life of the cable can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a waterproof and corrosion-resistant electric wire and cable. Background Art

[0002] Wires and cables are cable products used to transmit electrical energy, information and realize electromagnetic energy conversion. Wires and cables consist of one or more insulated cores, and their respective coatings, total protective layers and outer sheaths. Cables may also have additional uninsulated conductors.

[0003] Communication cables are generally laid underground or underwater, so the corrosion resistance of communication cables is very high. However, there is no corresponding mechanism inside the cable to further protect the cable core, so that external water vapor and internal oxygen will still enter the cable and react chemically with the cable core, causing the cable core to be corroded, thus affecting the service life of the cable. In response to the above situation, we propose a waterproof and corrosion-resistant wire and cable. Utility Model Content

[0004] The utility model aims to provide a waterproof and corrosion-resistant electric wire and cable in view of the deficiencies in the prior art.

[0005] To achieve the above purpose, the technical solution of the utility model is as follows:

[0006] A waterproof and corrosion-resistant wire and cable comprises a wire core group and an isolation sleeve covering the wire core group, the wire core group comprises a protective sleeve and a plurality of copper wire cores arranged in the protective sleeve, the isolation sleeve is nested in the protective sleeve, an outer isolation layer is arranged between the isolation sleeve and the protective sleeve, a wear-resistant hard rubber sleeve is nested in the outer wall of the isolation sleeve, and the surface of the wear-resistant hard rubber sleeve is coated with an anti-corrosion layer; the outer isolation layer comprises a positioning layer, the surface of the positioning layer is annularly formed with a plurality of positioning protrusions, and the inner ring wall of the isolation sleeve is annularly formed with positioning grooves matching the positioning protrusions; the outer ring wall of the wear-resistant hard rubber sleeve is nested with a plurality of ring sleeve structures, the ring sleeve structure comprises a plurality of guide rings nested along the axial direction, and the two side end walls of the guide ring are respectively formed with annular grooves.

[0007] Further: the outer isolation layer includes an aluminum oxide mesh, and the outer side of the aluminum oxide mesh is wrapped with a heat-resistant layer.

[0008] Furthermore: the outer side of the heat-resistant layer is wrapped with a wear-resistant mesh sleeve.

[0009] Furthermore: the outer side of the wear-resistant mesh sleeve is wrapped with an anti-corrosion coating, and the outer surface of the anti-corrosion coating is provided with a plurality of wear-resistant particles.

[0010] Furthermore: the copper wire core is nested with an insulating sleeve, and an inner isolation layer surrounding the insulating sleeve is arranged in the protective sleeve.

[0011] Furthermore: the inner isolation layer includes a filler and a composite material shielding layer, the composite material shielding layer is nested in the insulating sleeve; the filler is filled into the protective sleeve.

[0012] Furthermore: the outer wall of the isolation sleeve is provided with a plurality of annularly distributed card slots, and each of the card slots is card-connected with a matching anti-tension rope.

[0013] Furthermore: the ring sleeve structure also includes a front stop ring and a rear stop ring nested in the wear-resistant hard rubber sleeve, and the guide ring is located between the front stop ring and the rear stop ring.

[0014] Furthermore: the outer diameters of the front stop ring and the rear stop ring are both smaller than the inner diameter of the guide ring, and the distance between the front stop ring and the rear stop ring is equal to the axial length of the guide ring.

[0015] Furthermore: the annular groove is formed with a plurality of inwardly concave tapered grooves along its annular direction.

[0016] The beneficial effects of the utility model are as follows: with the cooperation of the wear-resistant hard rubber sleeve and the protective sleeve, the copper wire core is doubly protected, achieving the effect of waterproof, wear-resistant and corrosion-resistant. After long-term use, the oxidation reaction is not easy to enter the copper wire core, which can increase its service life; in urban layout, wires and cables are generally placed in areas such as ditches. When maintenance is required, the wires and cables usually need to be pulled out. The guide ring structure is adopted to make the wires and cables have contact points. When workers drag, they can hold the guide ring to increase the force points, play an anti-slip role, and facilitate improving the efficiency of pulling. At the same time, the guide ring is formed with an annular groove for some tools to hook, further improving the efficiency of pulling out. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of wires and cables.

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the ring structure.

[0019] Figure 3 It is a schematic diagram of the cross-sectional structure of the isolation sleeve and the outer isolation layer.

[0020] Figure 4 It is a schematic diagram of the cross-sectional structure of the wire core group.

[0021] Reference numerals include:

[0022] 1-Isolation sleeve,

[0023] 10-ring structure, 11-wear-resistant hard rubber sleeve, 12-anti-corrosion layer, 13-card slot, 14-tension rope,

[0024] 15-guide ring, 16-annular groove, 17-conical groove, 18-front stop ring, 19-rear stop ring,

[0025] 2-External isolation layer,

[0026] 21-positioning layer, 22-positioning convex block, 23-positioning groove, 24-aluminum oxide mesh, 25-heat-resistant layer,

[0027] 26-wear-resistant mesh sleeve, 27-anti-corrosion coating, 28-wear-resistant particles,

[0028] 3-wire core group,

[0029] 31-protective sleeve, 32-copper wire core, 33-insulating sleeve, 34-inner isolation layer, 35-filler,

[0030] 36-Composite shielding layer. DETAILED DESCRIPTION

[0031] The utility model is described in detail below with reference to the accompanying drawings.

[0032] like Figure 1-4 As shown, a waterproof and corrosion-resistant wire and cable includes a core group 3 and an isolation sleeve 1 covering the core group 3, the core group 3 includes a protective sleeve 31 and a plurality of copper cores 32 arranged in the protective sleeve 31, the isolation sleeve 1 is nested in the protective sleeve 31, a wear-resistant hard rubber sleeve 11 is nested on the outer wall of the isolation sleeve 1, and an anti-corrosion layer 12 is coated on the surface of the wear-resistant hard rubber sleeve 11; with the cooperation of the wear-resistant hard rubber sleeve 11 and the protective sleeve 31, the copper core 32 is doubly protected to achieve the effect of waterproof, wear-resistant and corrosion-resistant, and the oxidation reaction is not easy to enter the copper core 32 after long-term use, thereby improving its service life.

[0033] Furthermore, the outer wall of the isolation sleeve 1 is provided with a plurality of annularly distributed card grooves 13, and each of the card grooves 13 is clamped with a matching anti-tension rope 14, and then a wear-resistant hard rubber sleeve 11 is sleeved on the isolation sleeve 1 to protect the card grooves 13 and the anti-tension rope 14, improve the tensile performance, and further improve the buffering protection effect of the core group 3.

[0034] The outer ring wall of the wear-resistant hard rubber sleeve 11 is nested with multiple ring structures 10, and the ring structure 10 includes multiple guide rings 15 nested along the axial direction, and the two side end walls of the guide ring 15 are respectively formed with annular grooves 16. In this embodiment, wires and cables are generally placed in areas such as ditches in urban layout. When maintenance is required, the wires and cables usually need to be pulled out. The structure of the guide ring 15 is adopted to make the wires and cables have contact points. When dragging, workers can hold the guide ring 15 to increase the force points, play an anti-slip role, and facilitate improving the efficiency of pulling. At the same time, the guide ring 15 is formed with an annular groove 16 for some tools to hook, further improving the efficiency of pulling.

[0035] Preferably, the ring sleeve structure 10 also includes a front stop ring 18 and a rear stop ring 19 nested in the wear-resistant hard rubber sleeve 11, and the guide ring 15 is located between the front stop ring 18 and the rear stop ring 19. The front stop ring 18 and the rear stop ring 19 are respectively molded on the wear-resistant hard rubber sleeve 11, so that the wear-resistant hard rubber sleeve 11 and the front stop ring 18 and the rear stop ring 19 form an integrated structure, which can prevent the guide ring 15 from axial displacement.

[0036] Preferably, the outer diameters of the front stop ring 18 and the rear stop ring 19 are smaller than the inner diameter of the guide ring 15, and the distance between the front stop ring 18 and the rear stop ring 19 is equal to the axial length of the guide ring 15; the guide ring 15 is further limited axially to ensure that the position of the guide ring 15 is stable and will not shift when pulling out the wires and cables.

[0037] Preferably, the annular groove 16 is formed with a plurality of concave tapered grooves 17 along its annular direction; when workers are dragging, the annular groove 16 formed on the guide ring 15 can be used for some tools to hook, for example, the hook at the end of the stick can hook one of the tapered grooves 17 of the annular groove 16, to ensure that the tool cooperates with the stopper of the guide ring 15, to facilitate the pulling of the wires and cables, and to further improve the efficiency of the pulling out.

[0038] An outer isolation layer 2 is arranged between the isolation sleeve 1 and the protective sleeve 31, and the outer isolation layer 2 includes a positioning layer 21. The surface of the positioning layer 21 is annularly formed with multiple positioning protrusions 22, and the inner ring wall of the isolation sleeve 1 is annularly formed with positioning grooves 23 that cooperate with the positioning protrusions 22; through the cooperation of the positioning protrusions 22 and the positioning grooves 23, the outer isolation layer 2 is stably arranged between the isolation sleeve 1 and the protective sleeve 31, will not rotate or shift, and is not prone to generating gaps, which can further reduce the risk of oxygen entering the copper wire core 32.

[0039] The outer isolation layer 2 includes an aluminum oxide mesh 24, the outer side of the aluminum oxide mesh 24 is wrapped with a heat-resistant layer 25, the outer side of the heat-resistant layer 25 is wrapped with a wear-resistant mesh sleeve 26, the outer side of the wear-resistant mesh sleeve 26 is wrapped with an anti-corrosion coating 27, and the outer surface of the anti-corrosion coating 27 is provided with a plurality of wear-resistant particles 28. The anti-corrosion layer is made of glass fiber material and has good anti-corrosion performance; the wear-resistant mesh sleeve 26 is made of copper wire material and has good wear resistance; the wear-resistant particles 28 are silicon carbide particles and have good wear-resistant protection. The heat-resistant layer 25 can improve the high temperature resistance of the wire, the wear-resistant mesh sleeve 26 and the wear-resistant particles 28 can improve the wear resistance of the wire surface, and greatly improve the service life of the anti-corrosion layer and the anti-corrosion coating 27.

[0040] The copper wire core 32 is nested with an insulating sleeve 33, and an inner isolation layer 34 surrounding the insulating sleeve 33 is arranged in the protective sleeve 31. The inner isolation layer 34 includes a filler 35 and a composite shielding layer 36. The composite shielding layer 36 is nested in the insulating sleeve 33; the filler 35 is filled into the protective sleeve 31. The composite shielding layer 36 is composed of nano-silica sol, iron, conductive filler, magnesium powder, titanium oxide, silicon carbide and graphene, which effectively eliminates the magnetic field inside the protective sleeve 31 and improves the anti-interference ability of the cable.

[0041] The fillers 35 are arranged in the gaps between the copper wire cores 32 . There are certain gaps between the fillers 35 , and the protective gas will fill the gaps to protect the cables.

[0042] In summary, it can be seen that the utility model has the above-mentioned excellent characteristics, which can enhance the performance unprecedented in the prior art and become a product with great practical value.

[0043] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. A waterproof and corrosion-resistant wire and cable, comprising a core group and an isolation sleeve covering the core group, characterized in that: The wire core group includes a protective sleeve and a plurality of copper wire cores arranged in the protective sleeve, the isolation sleeve is nested in the protective sleeve, an outer isolation layer is arranged between the isolation sleeve and the protective sleeve, a wear-resistant hard rubber sleeve is nested on the outer wall of the isolation sleeve, and the surface of the wear-resistant hard rubber sleeve is coated with an anti-corrosion layer; The outer isolation layer comprises a positioning layer, the surface of the positioning layer is annularly formed with a plurality of positioning protrusions, and the inner ring wall of the isolation sleeve is annularly formed with positioning grooves that cooperate with the positioning protrusions; The outer ring wall of the wear-resistant hard rubber sleeve is nested with multiple ring structures, and the ring structures include multiple guide rings nested along the axial direction, and the end walls on both sides of the guide rings are respectively formed with annular grooves.

2. A waterproof and corrosion-resistant wire and cable according to claim 1, characterized in that: The outer isolation layer comprises an aluminum oxide mesh, and the outer side of the aluminum oxide mesh is wrapped with a heat-resistant layer.

3. A waterproof and corrosion-resistant wire and cable according to claim 2, characterized in that: The outer side of the heat-resistant layer is wrapped with a wear-resistant mesh sleeve.

4. A waterproof and corrosion-resistant wire and cable according to claim 3, characterized in that: The outer side of the wear-resistant mesh sleeve is wrapped with an anti-corrosion coating, and the outer surface of the anti-corrosion coating is provided with a plurality of wear-resistant particles.

5. The waterproof and corrosion-resistant wire and cable according to claim 1, characterized in that: The copper wire core is nested with an insulating sleeve, and an inner isolation layer surrounding the insulating sleeve is arranged inside the protective sleeve.

6. A waterproof and corrosion-resistant wire and cable according to claim 5, characterized in that: The inner isolation layer comprises a filler and a composite material shielding layer, wherein the composite material shielding layer is nested in the insulating sleeve; and the filler is filled into the protective sleeve.

7. The waterproof and corrosion-resistant wire and cable according to claim 1, characterized in that: The outer wall of the isolation sleeve is provided with a plurality of annularly distributed clamping grooves, and each of the clamping grooves is clamped with a matching anti-tension rope.

8. The waterproof and corrosion-resistant wire and cable according to claim 1, characterized in that: The ring sleeve structure also includes a front stop ring and a rear stop ring nested in the wear-resistant hard rubber sleeve, and the guide ring is located between the front stop ring and the rear stop ring.

9. The waterproof and corrosion-resistant wire and cable according to claim 8, characterized in that: The outer diameters of the front stop ring and the rear stop ring are both smaller than the inner diameter of the guide ring, and the distance between the front stop ring and the rear stop ring is equal to the axial length of the guide ring.

10. The waterproof and corrosion-resistant wire and cable according to claim 9, characterized in that: The annular groove is formed with a plurality of inwardly concave tapered grooves along its annular direction.

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