CN214505048U

CN214505048U - Multi-core shielding structure drag chain cable

Info

Publication number: CN214505048U
Application number: CN202120451953.5U
Authority: CN
Inventors: 周林纲
Original assignee: Calder Cable Dongguan Co ltd
Current assignee: Calder Cable Dongguan Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-10-26
Anticipated expiration: 2031-03-02

Abstract

The utility model relates to the technical field of cables, and discloses a multi-core shielding structure drag chain cable, which comprises a first filling strip, a core wire group, a weaving layer and a protective layer which are arranged from inside to outside in sequence; the core wire group is provided with five groups of core wires uniformly twisted on the periphery of the first filling strip; the core wire group comprises a second filling strip, and five core wires are uniformly stranded on the periphery of the second filling strip. Improve at the cable structure, with the transposition of heart yearn group to increase the second filler strip when the heart yearn is twisted in groups, also increase first filler strip when every group heart yearn transposition cable together, through the weaving layer shielding, wrap one deck protective layer at last, increase the tensile ability and the resistant ability of buckling of cable, the life of extension cable.

Description

Multi-core shielding structure drag chain cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to a multicore shielding structure tow chain cable.

Background

A cable is a conductor made of one or more conductors insulated from each other and an outer insulating sheath that carries power or information from one location to another. With the development of science and technology, drag chain cables are widely used in various fields, such as robot body cables, servo cables, linear motors, industrial Ethernet and the like, and because the cables are used in reciprocating motion for a long time, core wires in the cables are easy to break, so that the service life of the cables is short, the bending-resistant times are reduced, and the defect that the service life of the cables is short is an urgent need to solve the problem.

SUMMERY OF THE UTILITY MODEL

Based on above, an object of the utility model is to provide a multicore shielding structure tow chain cable can improve the tensile ability and the resistant ability of buckling of cable, prolongs the life of cable.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a multi-core shielding structure drag chain cable, which comprises a first filling strip, a core wire group, a weaving layer and a protective layer which are arranged from inside to outside in sequence;

the core wire group is provided with five groups of core wires uniformly twisted on the periphery of the first filling strip;

the core wire group comprises a second filling strip, and five core wires are uniformly stranded on the periphery of the second filling strip.

The core wire comprises a conductor bundle and an insulating layer from inside to outside.

Wherein, the material of the first filling strip is PVC.

Wherein, the material of the second filler strip is PVC.

Wherein, the material of the insulating layer is FEP material.

Wherein the braided layer is braided by 160 tinned copper conductors with the diameter of 0.10 mm.

Wherein, the protective layer is made of TPU material, and the thickness is 0.1mm to 0.2 mm.

The utility model provides a multicore shielding structure tow chain cable improves in cable structure, twists the heart yearn in groups to increase the second packing strip when the heart yearn twists in groups, also increase first packing strip when the stranding of every group heart yearn is put together the assembly cable, through the weaving layer shielding, wrap one deck protective layer at last, increase the tensile ability and the resistant ability of buckling of cable, solved the problem that cable life is short, the life of extension cable.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a multi-core shielding structure towline cable according to an embodiment of the present invention.

In the figure:

1. a first filler strip; 2. weaving layer; 3. a protective layer; 4. a second filler strip; 5. a core wire; 51. a conductor bundle; 52. an insulating layer.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; 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 in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1, an embodiment of the present invention provides a multi-core shielding structure towline cable, which includes a first filler strip 1, a core wire group, a braid layer 2 and a protective layer 3, which are sequentially arranged from inside to outside;

the core wire group is provided with five groups of core wires uniformly twisted on the periphery of the first filling strip 1;

wherein, the core wire group comprises a second filling strip 4, five core wires 5 are uniformly twisted on the periphery of the second filling strip 4. Preferably, the core wire 5 comprises a conductor bundle 51 and an insulating layer 52 from inside to outside.

The embodiment of the utility model provides a multicore shielding structure tow chain cable improves in cable structure, twists heart yearn 5 group to increase the second during transposition for 5 group, also increase first packing 1 when the 5 transposition of every group heart yearn are in the same place the assembly cable, through weaving layer 2 shielding, wrap one deck protective layer 3 at last, increased the tensile ability and the resistant ability of buckling of cable, solved the short problem of cable life, the life of extension cable.

As a preferable mode of the embodiment of the present invention, the material of the first filling strip 1 is PVC. The material of the second filler strip 4 is PVC. The PVC material has strong tensile and bending resistance.

As a preferable mode of the embodiment of the present invention, the material of the insulating layer 52 is an FEP material. The FEP has the performances of ageing resistance, fire resistance, flame retardance, acid and alkali resistance, water resistance, oil resistance, moisture resistance, corrosion resistance and the like, and can well protect the conductor bundle 51.

As an optimal mode of the embodiment of the utility model discloses for can have good shielding effect, prevent the interference of external signal to the cable, weaving layer 2 is woven by 160 tin-plated copper conductors that the diameter is 0.10mm, and its shielding effect can reach more than 90%.

As an optimized mode of the embodiment of the present invention, for better protecting the internal core wire set, the protective layer 3 is made of TPU material and has a thickness of 0.1mm to 0.2 mm. The protective layer 3 of TPU has good hardness, flexibility and abrasion resistance, and the excellent mechanical and physical properties prolong the durability and service life of the cable.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A multi-core shielding structure drag chain cable is characterized by comprising a first filling strip (1), a core wire (5) group, a braid layer (2) and a protective layer (3) which are sequentially arranged from inside to outside;

the core wires (5) are uniformly twisted around the first filling strip (1);

the core wire (5) group comprises a second filling strip (4), and five core wires (5) are uniformly stranded on the periphery of the second filling strip (4).

2. A multi-core shielded structure towline cable according to claim 1, characterized in that said core wires (5) in turn comprise conductor bundles (51) and insulation layers (52) from inside to outside.

3. The multi-core shielding structure towline cable according to claim 1, wherein the material of the first filler strip (1) is PVC.

4. The multi-core shielding structure towline cable according to claim 1, wherein the material of the second filler strip (4) is PVC.

5. The multi-core shielded structure towline cable of claim 2, wherein the material of said insulation layer (52) is FEP material.

6. A multi-core shielded structure towline cable according to claim 1, characterized in that said braid (2) is braided from 160 tinned copper conductors with a diameter of 0.10 mm.

7. The multi-core shielded structure towline cable of any one of claims 1 to 6, characterized in that the protective layer (3) is made of TPU material and has a thickness of 0.1mm to 0.2 mm.