CN217740253U - Shielded cable - Google Patents

Abstract

The utility model discloses a shielded cable, include: a core wire having a conductor, an insulating layer disposed outside the conductor; the inner sheath wraps the core wire, and a first filler is arranged between the inner sheath and the core wire; the galvanized steel wire shielding layer wraps the inner sheath; and the outer sheath wraps the galvanized steel wire shielding layer. The utility model discloses fine bending strength and tensile strength have to, corrosion resistance is good.

Description

Shielded cable

Technical Field

The utility model relates to a technical field of cable, in particular to shielded cable.

Background

The shielding cable is a transmission line wrapped by the signal wire by using the metal mesh braid layer, and can be used for processing machinery, textile equipment, dyeing and finishing equipment and injection molding equipment.

Conventionally, most of the shielding control cables are made of bare copper wires or tinned copper wires in a shielding mode.

However, existing shielded control cables are not resistant to bending, have poor tensile strength, and are poor in corrosion resistance.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a shielded cable has fine bending strength and tensile strength to, corrosion resistance is good.

According to the utility model discloses a shielded cable of first aspect embodiment includes: a core wire having a conductor, an insulating layer disposed outside the conductor; the inner sheath wraps the core wire, and a first filler is arranged between the inner sheath and the core wire; the galvanized steel wire shielding layer wraps the inner sheath; and the outer sheath wraps the galvanized steel wire shielding layer.

According to the utility model discloses shielded cable has following beneficial effect at least:

at first, the utility model discloses a set up galvanized steel wire shielding layer, adopt galvanized steel wire to weave the inner sheath surface to, can improve the tensile strength of cable, can avoid mechanical damage by the maximum possible, simultaneously, the galvanizing coat on steel wire surface can also avoid corroding, improves the life of cable.

And simultaneously, the utility model discloses a set up inner sheath and oversheath, make inner sheath and oversheath protect the heart yearn to, improve the tensile strength of cable, simultaneously, make the cable more resistant crooked, guarantee, the easy fracture of core wire in production and the use.

According to some embodiments of the invention, the core wire is provided with four strands, four strands the core wire transposition sets up.

The beneficial results are: through making the setting of four-strand heart yearns transposition, promote the stability of cable to, make the pliability of cable better, thereby promote the deflection performance of cable.

According to some embodiments of the utility model, four strands be provided with the second filler between the heart yearn, the second filler is the PVC strip.

The beneficial results are: through making being provided with the second filler between the four strands heart yearn, the PVC strip is chooseed for use to the second filler, and the PVC strip can improve cable strength, and simultaneously, the PVC strip is located between the four strands heart yearn, can fill the gap, reduces oxygen, more is favorable to fire-retardant.

According to some embodiments of the invention, the core wire outer surface is wrapped with a thin non-woven fabric.

The beneficial results are: through making the outer surface winding thin non-woven fabrics of heart yearn, when extruding the inner sheath, thin non-woven fabrics can prevent that the heart yearn is loose, more is favorable to cable production, manufacturing.

According to some embodiments of the present invention, the outer sheath is a transparent sheath material.

The beneficial results are: through making the oversheath adopt transparent sheath material, transparent sheath material can bring good visual effect for the cable.

According to some embodiments of the invention, the first filler is hemp filler.

The beneficial results are: through making first filler for filling numb, can improve the intensity of cable to, fill insulating nature and the mould resistance of numb good, make the cable have better performance.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a shielded cable according to an embodiment of the present invention.

Reference numerals: 100-core wire, 110-conductor, 120-insulating layer, 130-inner sheath, 140-first filler, 150-galvanized steel wire shielding layer, 160-outer sheath, 170-second filler and 180-thin non-woven fabric.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A shielded cable according to an embodiment of the present invention is described below with reference to the drawings.

Referring to fig. 1, the shielded cable according to an embodiment of the present invention includes a core wire 100, an inner sheath 130, a galvanized steel wire shielding layer 150, and an outer sheath 160.

Structurally, the core wire 100 has a conductor 110, an insulating layer 120 disposed outside the conductor 110; the inner sheath 130 wraps the core wire 100, and a first filler 140 is arranged between the inner sheath 130 and the core wire 100; the inner sheath 130 is wrapped by the galvanized steel wire shielding layer 150; the outer jacket 160 wraps the galvanized steel wire shielding layer 150.

Therefore, the cable has good bending strength and tensile strength and good corrosion resistance.

In some embodiments of the present invention, the core wire 100 is provided with four strands, and the four strands of core wire 100 are twisted.

It can be understood that, by twisting the four-strand core wire 100, the stability of the cable is improved, and the flexibility of the cable is improved, thereby improving the flexibility of the cable.

In some embodiments of the present invention, a second filler 170 is disposed between the four core wires 100, and the second filler 170 is a PVC strip.

It should be noted that, through making being provided with second filler 170 between the four strands of heart yearns 100, second filler 170 chooses for use the PVC strip, and the PVC strip can improve cable strength, and simultaneously, the PVC strip is located between the four strands of heart yearns 100, can fill the gap, reduces oxygen, more is favorable to fire-retardant.

In some embodiments of the present invention, the core wire 100 is wrapped with a thin non-woven fabric 180 on the outer surface.

By winding the thin non-woven fabric 180 around the outer surface of the core wire 100, the thin non-woven fabric 180 prevents the core wire 100 from loosening when the inner sheath 130 is extruded, which is more advantageous for cable production and manufacturing.

In some embodiments of the present invention, the outer sheath 160 is a transparent sheath material.

Specifically, by using a transparent jacket material for the outer jacket 160, the transparent jacket material can provide a good visual effect for the cable.

In some embodiments of the present invention, the first filler 140 is hemp-filled.

Specifically, the strength of the cable can be improved by making the first filler 140 a hemp-filled material, and the insulation and mildew resistance of the hemp-filled material are good, so that the cable has better performance.

Thus, the present embodiment has the following effects:

first, the utility model discloses a set up galvanized steel wire shielding layer 150, adopt galvanized steel wire to weave inner sheath 130 surface to, can improve the tensile strength of cable, can avoid mechanical damage by the maximum possible, simultaneously, the galvanizing coat on steel wire surface can also avoid corroding, improves the life of cable.

And simultaneously, the utility model discloses a set up inner sheath 130 and oversheath 160, make inner sheath 130 and oversheath 160 protect heart yearn 100 to, improve the tensile strength of cable, simultaneously, make the cable more resistant crooked, guarantee, the difficult fracture of heart yearn 100 in production and the use.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (6)

1. A shielded electrical cable, comprising:

a core wire (100) having a conductor (110), and an insulating layer (120) provided outside the conductor (110);

an inner sheath (130) wrapping the core wire (100), a first filler (140) being disposed between the inner sheath (130) and the core wire (100);

a galvanized steel wire shielding layer (150) wrapping the inner sheath (130);

and the outer sheath (160) wraps the galvanized steel wire shielding layer (150).

2. A shielded electric cable according to claim 1, wherein said core wires (100) are provided with four strands, and four strands of said core wires (100) are stranded.

3. A shielded electric cable according to claim 1, characterized in that a second filler (170) is arranged between four strands of said core wires (100), the second filler (170) being a PVC strip.

4. A shielded cable according to claim 1, wherein said core wire (100) is wound with a thin non-woven fabric (180) on an outer surface thereof.

5. A shielded electrical cable according to claim 1, wherein the outer sheath (160) is a transparent sheath material.

6. A shielded electrical cable according to claim 1, characterized in that the first filler (140) is hemp-filled.

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