CN219017296U

CN219017296U - Flexible cable for connecting internal electrical appliances of equipment

Info

Publication number: CN219017296U
Application number: CN202222028817.2U
Authority: CN
Inventors: 张伟良; 张博智
Original assignee: Dongguan Ever United Electric Wire & Cable Co ltd
Current assignee: Dongguan Ever United Electric Wire & Cable Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2023-05-12
Anticipated expiration: 2032-08-03

Abstract

The utility model relates to the technical field of cables and discloses a flexible cable for connecting electrical appliances in equipment, which comprises a flame-retardant PVC protective sleeve, wherein a cable protective layer is movably connected to the inner wall of the flame-retardant PVC protective sleeve, a protective layer hole is formed in the cable protective layer, a tensile filling rope is movably connected to the inner wall of the cable protective layer, a flame-retardant insulating layer is movably connected to the outer wall of the tensile filling rope, and a cable oxygen-free copper wire is fixedly connected to the inner wall of the flame-retardant insulating layer.

Description

Flexible cable for connecting internal electrical appliances of equipment

Technical Field

The utility model relates to the technical field of cables, in particular to a flexible cable for connecting electrical appliances in equipment.

Background

The cable is typically a rope-like cable stranded from several wires or groups of wires (at least two in each group), each group being insulated from each other and often twisted around a center, with a highly insulating coating over the entire outer surface. The cable is divided into a flexible cable and a hard cable, the flexible cable is a conducting wire formed by combining a plurality of wires with the diameter of less than one millimeter, the hard cable is a single wire with the diameter of less than ten square, and many people like to call the hard cable as a plastic copper wire at present, and the flexible cable is convenient to lay and wire according to the advantages of the flexible cable, and the like, and is often used by internal connection of electric appliances.

In the prior art, the wire of the flexible wire is thinner and softer, so that the tube is convenient to turn, but the tube is easy to age for a long time, the service life of the whole circuit is influenced, and the wire is easy to damage and break in the installation process, so that the conductivity of the wire is influenced.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a flexible cable for connecting electrical appliances inside a device, so as to solve the above-mentioned problems in the prior art.

The utility model provides the following technical scheme: the utility model provides a flexible cable for inside electrical connection of equipment, includes fire-retardant PVC protective sheath, and fire retardant has been added to fire-retardant PVC protective sheath's material, is favorable to making can not spontaneous combustion after meetting open flame, guarantees the safety of cable, fire-retardant PVC protective sheath's inner wall swing joint has the cable protective layer, the protective layer hole has been seted up to the inside of cable protective layer.

Further, the inner wall swing joint of cable protective layer has tensile filling rope, and tensile filling rope is the PP tensile material, is favorable to when the cable receives external tractive, prevents to make cable oxygen-free copper line fracture because of the effect of pulling force, the outer wall swing joint of tensile filling rope has fire-retardant insulating layer.

Further, the inner wall fixedly connected with cable oxygen-free copper wire of fire-retardant insulating layer, fire-retardant PVC protective sheath, cable protective layer, tensile fill rope, fire-retardant insulating layer and the length of cable oxygen-free copper wire are equal and closely laminate each other.

Further, the flame retardant is added to the material of the flame-retardant PVC protective sleeve, the flame retardant is not spontaneously burned after leaving open flame, the cable protective layer is a high-quality aluminum foil protective layer and is puncture-resistant, and the cable protective layer is a high-quality aluminum foil protective layer and is puncture-resistant, so that the cable is effectively prevented from being extruded by external force to protect the oxygen-free copper wire of the cable.

Furthermore, the tensile filling rope is made of PP tensile materials, the flame-retardant insulating layer is a flame-retardant polyvinyl chloride insulating layer, and when the oxygen-free copper wire of the cable generates overheat energy, the flame-retardant insulating layer further blocks heat to prevent spontaneous combustion of the cable.

Furthermore, the cable oxygen-free copper wire is a high-precision oxygen-free red copper core, has small resistance, can reduce energy consumption in the current transportation process, and improves the efficiency of power transmission.

The utility model has the technical effects and advantages that:

1. the tensile filling rope is arranged, wires of the flexible wires are thin and soft, the flexible wires are convenient to turn and penetrate through the pipe, but the flexible wires are easy to age for a long time, the service life of the whole circuit is influenced, the wires are easy to damage and break in the installation process, the conductivity of the wires is influenced, and the tensile filling rope is arranged, so that the cable is beneficial to preventing the oxygen-free copper wires of the cable from breaking due to the action of the tensile force when the cable is pulled by the outside.

2. The cable protection layer is provided with the high-quality aluminum foil protection layer and is puncture-resistant, so that the cable is effectively prevented from being pressed by external force to protect the oxygen-free copper wire of the cable from being broken.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is an exploded view of the overall structure of the present utility model.

FIG. 3 is a schematic diagram of a passivation layer according to the present utility model.

Fig. 4 is a schematic cross-sectional view of the overall structure of the present utility model.

The reference numerals are: 1. flame-retardant PVC protective sleeve; 2. a cable protective layer; 201. a protective layer hole; 3. tensile fill cords; 4. a flame retardant insulating layer; 5. the cable is oxygen-free copper wire.

Detailed Description

The embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the present utility model, and the configurations of the structures described in the following embodiments are merely examples, and a flexible cable for connecting electrical appliances in a device according to the present utility model is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making any creative effort are within the scope of protection of the present utility model.

Referring to fig. 1-4, the utility model provides a flexible cable for connecting electrical appliances in equipment, which comprises a flame-retardant PVC protective sleeve 1, wherein a flame retardant is added into the material of the flame-retardant PVC protective sleeve 1, so that the flame-retardant PVC protective sleeve is beneficial to ensuring the safety of the cable and ensuring the spontaneous combustion after encountering open fire, the inner wall of the flame-retardant PVC protective sleeve 1 is movably connected with a cable protective layer 2, and the interior of the cable protective layer 2 is provided with a protective layer hole 201.

Wherein, wherein the inner wall swing joint of cable protective layer 2 has tensile filling rope 3, and tensile filling rope 3 is the PP tensile material, is favorable to when the cable receives external pulling, prevents to make cable oxygen-free copper line 5 fracture because of the effect of pulling force, and wherein the outer wall swing joint of tensile filling rope 3 has fire-retardant insulating layer 4.

Wherein, wherein the inner wall fixedly connected with cable oxygen-free copper wire 5 of fire-retardant insulating layer 4, wherein fire-retardant PVC protective sheath 1, cable protective layer 2, tensile fill rope 3, fire-retardant insulating layer 4 and cable oxygen-free copper wire 5's length are isometric and closely laminate each other.

Wherein, wherein flame retardant is added to the material of fire-retardant PVC protective sheath 1 and leave the naked light and do not spontaneous combustion, and wherein cable protective layer 2 is high-quality aluminium foil protective layer and resistant thorn, and cable protective layer 2 is high-quality aluminium foil protective layer and resistant thorn, is favorable to effectually preventing that the cable from receiving external force to press protection cable oxygen-free copper line 5.

Wherein, wherein tensile filling rope 3 is the tensile material of PP, and wherein fire-retardant insulating layer 4 is fire-retardant polyvinyl chloride insulating layer, and when the oxygen-free copper wire 5 of cable produced the heat energy, fire-retardant insulating layer 4 further blockked the spontaneous combustion of heat prevention cable.

Wherein, wherein the cable oxygen-free copper wire 5 is high accuracy oxygen-free red copper core, and resistance is little, can reduce the energy consumption in the electric current transportation process, improves the efficiency of electric power transmission.

The working principle of the utility model is as follows:

step one: when the flexible cable for connecting internal electrical appliances of equipment is used, the inner wall of the flame-retardant PVC protective sleeve 1 is movably connected with the cable protective layer 2, the protective layer hole 201 is formed in the cable protective layer 2, the cable protective layer 2 is movably connected with the tensile filling rope 3, the tensile filling rope 3 is movably connected with the flame-retardant insulating layer 4, the flame-retardant insulating layer 4 is movably connected with the cable oxygen-free copper wire 5, flame retardant is added into the material of the flame-retardant PVC protective sleeve 1, so that the cable cannot be spontaneously ignited after encountering open fire, the safety of the cable is ensured, the cable protective layer 2 is a high-quality aluminum foil protective layer and is puncture-resistant, the cable is effectively prevented from being extruded by external force to protect the cable oxygen-free copper wire 5 from breaking, the tensile filling rope 3 is made of PP (polypropylene) tensile material, when the cable is pulled by the outside, the cable oxygen-free copper wire 5 is further prevented from being not broken due to the action of tensile force, the flame-retardant insulating layer 4 further blocks the spontaneous combustion of the cable when the cable oxygen-free copper wire 5 generates excessive heat energy, the cable oxygen-free copper wire 5 is high-free red copper, the resistance is small, the power consumption in the transportation process can be reduced, and the power consumption can be improved;

step two: when the flexible cable for connecting internal electrical appliances of equipment is used, a user circularly cuts a section of the flame-retardant PVC protective sleeve 1 and the cable protective layer 2 through a special cutting tool to reserve partial structures of the tensile filling rope 3, the flame-retardant insulating layer 4 and the cable oxygen-free copper wire 5, removes one end cut out of the annular cutting from the outer wall of the tensile filling rope 3, then strips and cuts the tensile filling rope 3 from the outer wall of the flame-retardant insulating layer 4, exposes the flame-retardant insulating layer 4 and the cable oxygen-free copper wire 5, then cuts one end of the flame-retardant insulating layer 4 through the special cutting tool to reserve the cable oxygen-free copper wire 5, removes one end cut out of the annular cutting from the outer wall of the cable oxygen-free copper wire 5, rotationally fixes the cable or the electrical appliance connecting part required to be connected, winds the connecting part through an insulating tape, and finally discards one section of the cut flame-retardant PVC protective sleeve 1, the tensile filling rope 3 and the flame-retardant insulating layer 4 into a dustbin.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. A flexible cable for connecting equipment internal electrical equipment, includes fire-retardant PVC protective sheath (1), its characterized in that: the inner wall of the flame-retardant PVC protective sleeve (1) is movably connected with a cable protective layer (2), and a protective layer hole (201) is formed in the cable protective layer (2);

the inner wall swing joint of cable protective layer (2) has tensile filling rope (3), the outer wall swing joint of tensile filling rope (3) has fire-retardant insulating layer (4).

2. A flexible cable for connecting electrical appliances within a device according to claim 1, wherein: the inner wall fixedly connected with cable oxygen-free copper wire (5) of fire-retardant insulating layer (4), fire-retardant PVC protective sheath (1), cable protective layer (2), tensile fill rope (3), fire-retardant insulating layer (4) and the length of cable oxygen-free copper wire (5) are equal and closely laminate each other.

3. A flexible cable for connecting electrical appliances within a device according to claim 1, wherein: the cable protection layer (2) is a high-quality aluminum foil protection layer and is puncture-resistant.

4. A flexible cable for connecting electrical appliances within a device according to claim 3, wherein: the tensile filling rope (3) is made of PP tensile materials, and the flame-retardant insulating layer (4) is a flame-retardant polyvinyl chloride insulating layer.

5. A flexible cable for use in connection with electrical equipment within a device as defined in claim 2, wherein: the cable oxygen-free copper wire (5) is a high-precision oxygen-free red copper core.