CN212010425U - Flexible cable - Google Patents

Abstract

The utility model discloses a flexible cable, from inside to outside include cable core, around covering, shielding layer and restrictive coating in proper order, still include buffer and buffer, the cable core is four groups, and every group cable core includes metallic conductor and the insulating layer of cladding metallic conductor periphery, metallic conductor is twisted by many copper wires and forms, the buffer has four accommodation area, the buffer cladding is at buffer periphery and with the accommodation area cooperation, forms four cushion chamber, four groups of cable cores correspond respectively and set up in four cushion chamber; this application is through setting up the buffering body and buffer layer, and the buffering body has four accommodation area, and the buffer layer cladding is in buffering body periphery, and with the cooperation of accommodation area, forms four cushion chambers, and four group's cable cores correspond the setting respectively in four cushion chambers, and the cushion chamber plays the cushioning effect, and the cable core receives the cushioning effect of cushion chamber when crooked, can effectively reduce the crooked disconnected problem of core of cable core.

Description

Flexible cable

Technical Field

The utility model relates to the technical field of cables, concretely relates to flexible cable.

Background

When the existing cable is used in hoisting equipment, a crane or grab bucket equipment, the cable is moved and wound along with a drag chain, the cable is frequently stretched, bent and twisted for a long time, the operation environment is very severe, the cable is very easy to break cores and other faults, the service life is very short, the cable needs to be frequently replaced, the use cost is improved, and the working efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model aims at providing a flexible cable.

The utility model adopts the technical proposal that:

the utility model provides a flexible cable, from interior to exterior includes the cable core in proper order, around covering, shielding layer and restrictive coating, still includes the buffering body and buffer layer, the cable core is four groups, and every group cable core includes the insulating layer of metallic conductor and cladding metallic conductor periphery, metallic conductor is formed by many copper wires transposition, the buffering body has four accommodation area, the buffer layer cladding is in buffering body periphery and with the cooperation of accommodation area, forms four cushion chambers, and four groups cable core correspond the setting respectively in four cushion chambers.

Furthermore, the buffer body comprises a central buffer part which is of a diamond structure, and four corners of the central buffer part extend to the radial direction respectively to form a radial buffer part.

Furthermore, smooth transition is carried out between the radial buffer parts and on one side of the cable core.

Further, the radial buffer portion extends to an inner side surface of the buffer layer.

Further, the metal conductor is formed by twisting 19 copper wires.

Further, the diameter of the copper wire is 1 mm.

Furthermore, the buffer body and the buffer layer are made of rubber materials.

Further, the sheath layer is made of polypropylene resin materials.

Further, still be equipped with the enhancement layer around between covering and the first shielding layer, this enhancement layer is formed for the cellosilk transposition.

Further, the shielding layer includes first shielding layer and second shielding layer, first shielding layer is woven for the tinned copper wire and forms, and the second shielding layer is that the copper strips forms around the package.

Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:

this application is through setting up the buffering body and buffer layer, and the buffering body has four accommodation area, and the buffer layer cladding is in buffering body periphery, and with the cooperation of accommodation area, forms four cushion chambers, and four group's cable cores correspond the setting respectively in four cushion chambers, and the cushion chamber plays the cushioning effect, and the cable core receives the cushioning effect of cushion chamber when crooked, can effectively reduce the crooked disconnected problem of core of cable core.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural diagram of a flexible cable according to an embodiment of the present application.

Wherein, cable core 1, metallic conductor 11, insulating layer 12, the buffer body 2, buffer layer 3, cushion chamber 4, around covering 5, enhancement layer 6, first shielding layer 7, second shielding layer 8, restrictive coating 9.

Detailed Description

Here, it is to be noted that the functions, methods, and the like related to the present invention are only conventional adaptive applications of the related art. Therefore, the present invention is an improvement of the prior art, which substantially lies in the connection relationship between hardware, not in the functions and methods themselves, that is, the present invention relates to a few functions and methods, but does not include the improvements proposed in the functions and methods themselves. The present invention is described for better illustration of the function and method for better understanding of the present invention.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

Referring to fig. 1, this application flexible cable includes cable core 1 in proper order from interior to exterior, around covering 5, shielding layer and restrictive coating 9, still includes buffer 2 and buffer 3, cable core 1 is four groups, and every cable core 1 of group includes metallic conductor 11 and the insulating layer 12 of 11 peripheries of cladding metallic conductor, metallic conductor 11 is formed by the transposition of many copper wires, buffer 2 has four accommodation area, buffer 3 cladding is in buffer 2 peripheries, and with accommodation area cooperation, forms four cushion chamber 4, and four groups of cable core 1 correspond the setting respectively in four cushion chamber 4.

This application is through setting up buffer 2 and buffer layer 3, and buffer 2 has four accommodation area, and buffer layer 3 cladding is in buffer 2 periphery, and with the accommodation area cooperation, forms four cushion chamber 4, and four group's cable core 1 correspond the setting respectively in four cushion chamber 4, and cushion chamber 4 plays the cushioning effect, and cable core 1 receives the cushioning effect of cushion chamber 4 when crooked, can effectively reduce the crooked disconnected problem of core of cable core 1.

Preferably, the buffer body 2 includes a central buffer portion having a diamond structure, and four corners of the central buffer portion extend in a radial direction to form radial buffer portions. And one side of the radial buffer parts, which is positioned on the cable core 1, is in smooth transition. The radial cushioning portion extends to the inner side surface of the cushioning layer 3.

The buffer body 2 comprises a central buffer part and a radial buffer part, and the transverse dimension of the central buffer part is larger than that of the radial buffer part, so that stronger buffer force is provided in the middle of the cable core 1, and the buffer effect is improved.

The buffer body 2 and the buffer layer 3 can be made of elastic materials, such as rubber materials, which have certain elastic restoring force, and when the cable core 1 bends and stretches, the elastic materials can buffer the elastic materials, so that the stress applied on the cable core 1 can be reduced, and the core breakage of the cable core 1 caused by bending can be further reduced.

Preferably, the metal conductor 11 is formed by twisting 19 copper wires, and the diameter of each copper wire is 1 mm.

The metal conductor 11 of the cable core 1 is formed by twisting a plurality of copper wires with the diameter of 1mm, and the diameter of a single copper wire is small, so that the flexibility of the cable core 1 can be enhanced, and the bending resistance of the cable core 1 is enhanced.

Preferably, a reinforcing layer 6 is further arranged between the wrapping layer 5 and the first shielding layer 7, and the reinforcing layer 6 is formed by twisting fiber yarns.

Set up the fibre silk transposition and former enhancement layer 6 between around covering 5 and first shielding layer 7, can strengthen the tensile property of this application cable.

Preferably, the sheath layer 9 is made of polypropylene resin material. The polypropylene resin has good heat resistance and wear resistance, improves the mechanical property of the cable, and reduces the cracking problem of the cable in the moving process.

Preferably, the shielding layer includes first shielding layer 7 and second shielding layer 8, first shielding layer 7 is woven for the tinned copper wire and forms, and second shielding layer 8 is that the copper strips forms around the package.

This application adopts double-deck shielding layer, and first shielding layer 7 is woven for copper facing silk and forms, and second shielding layer 8 is the copper strips around the package and forms, and for individual layer shielded cable, its shielding effect is better.

In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral combinations thereof; may be an electrical connection; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, system, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, systems, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims (10)

1. The utility model provides a flexible cable, from interior to exterior includes cable core (1) in proper order, winds covering (5), shielding layer and restrictive coating (9), its characterized in that, still includes buffer (2) and buffer (3), cable core (1) is four groups, and every cable core (1) of group includes insulating layer (12) of metallic conductor (11) and cladding metallic conductor (11) periphery, metallic conductor (11) are formed by many copper wires transposition, buffer (2) have four and hold the region, buffer (3) cladding is in buffer (2) periphery, and with holding the region cooperation, forms four cushion chamber (4), and four groups cable core (1) correspond the setting respectively in four cushion chamber (4).

2. The flexible cable according to claim 1, wherein the buffer body (2) comprises a central buffer portion having a diamond-shaped structure, and four corners of the central buffer portion extend radially to form radial buffer portions.

3. Flexible cable according to claim 2, characterized in that the radial buffers are rounded off between them and on one side of the cable core (1).

4. Flexible cable according to claim 2, characterized in that the radial buffer extends to the inner side of the buffer layer (3).

5. Flexible cable according to claim 1, characterized in that said metallic conductor (11) is stranded of 19 copper wires.

6. The flexible cable of claim 5, wherein the copper wire has a diameter of 1 mm.

7. The flexible cable according to any one of claims 1 to 6, wherein the buffer body (2) and the buffer layer (3) are made of rubber materials.

8. The flexible cable according to claim 1, wherein the sheath layer (9) is made of polypropylene resin material.

9. The flexible cable according to claim 1, wherein a reinforcing layer (6) is further disposed between the wrapping layer (5) and the first shielding layer (7), and the reinforcing layer (6) is formed by twisting fiber filaments.

10. The flexible cable according to claim 1, wherein the shielding layer comprises a first shielding layer (7) and a second shielding layer (8), the first shielding layer (7) is formed by weaving tinned copper wires, and the second shielding layer (8) is formed by wrapping copper strips.

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