CN209747164U - Drag chain wire - Google Patents

Abstract

The utility model discloses a tow chain electric wire, including the insulating covering of parcel on two piece at least sinle silks and sinle silks, laid the spiral between the sinle silks, installed soft strip between insulating covering and the spiral, be equipped with the cavity in the soft strip, the parcel has the parcel layer on insulating covering and the spiral, and the parcel has the surrounding layer on the parcel layer, and the spiral cross-section is circular, and soft strip is cross-section triangle's strip structure, and the cavity is cross-section triangle's inner chamber structure. Install whole electric wire in the tow chain according to the mode that the spiral distributes position from top to bottom, when whole tow chain cable cooperation tow chain is crooked, upside and downside surrounding layer can support to pressing to tow chain electric wire inside, the spiral is supported to press and is compressed, and soft strip also can be supported to press the compression, setting through the cavity, the compressible volume of multiplicable soft strip, can make whole soft strip soft better, through the soft protection of spiral and soft strip, the surrounding layer that significantly reduces is to the support of insulating covering and sinle silk to press the injury.

Description

Drag chain wire

Technical Field

The utility model relates to a tow chain electric wire.

Background

The drag chain wire is used for transmitting power to the servo mechanism and is arranged in the drag chain for use.

Present tow chain electric wire, inside is provided with two strands of copper strands, for the sinle silk, and sinle silk surface parcel has the insulation covering, and the outside non-woven fabrics that adopts of whole insulation covering wraps up closely, and the outside parcel of non-woven fabrics has the skin layer of outer covering, and the weak point of existence has: in the use process of the towline wire matched with the towline, the towline wire is bent along with the bending of the towline, in the bending process, the outer sheath layer at the bending part is tightly pressed against the insulating cladding and the wire core, and the inside of the whole towline wire is not in soft protection for the insulating cladding and the wire core, so that the insulating cladding and the wire core are greatly damaged in the bending process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tow chain electric wire to provide in solving above-mentioned background art and at crooked in-process, the outer skin layer of flexion becomes the state that closely supports the pressure and supports and press insulating covering and sinle silk, the big problem of injury to insulating covering and sinle silk in the crooked in-process.

In order to achieve the above object, the utility model provides a following technical scheme: the drag chain electric wire comprises at least two wire cores and an insulating covering layer wrapped on the wire cores, wherein a winding wire is arranged between the wire cores, a soft strip is arranged between the insulating covering layer and the winding wire, a cavity is arranged in the soft strip, wrapping layers are wrapped on the insulating covering layer and the winding wire, and an outer wrapping layer is wrapped on the wrapping layers.

Preferably, the coil is circular in cross section.

Preferably, the soft strips are strip-shaped structures with triangular sections.

Preferably, the cavity is an inner cavity structure with a triangular section.

Preferably, the thickness of the wrapper is no greater than one millimeter.

Compared with the prior art, the beneficial effects of the utility model are that: install whole electric wire in the tow chain according to the mode that the spiral distributes position from top to bottom, when whole tow chain cable cooperation tow chain is crooked, upside and downside surrounding layer can support to pressing to tow chain electric wire inside, the spiral is supported to press and is compressed, and soft strip also can be supported to press the compression, setting through the cavity, the compressible volume of multiplicable soft strip, can make whole soft strip soft better, through the soft protection of spiral and soft strip, the surrounding layer that significantly reduces supports the pressure injury to insulating covering and sinle silk, solved and in bending process, the outer skin of flexion becomes the state that closely supports the pressure and supports insulating covering and sinle silk, the big problem of the insulating covering and sinle silk injury is supported to bending process.

Drawings

Fig. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a partially cut-away front view of the present invention;

Fig. 3 is a schematic top view partially cut away.

In the figure: 1 wire core, 2 insulation coating layers, 3 coiling wires, 4 soft strips, 5 cavities, 6 wrapping layers and 7 outer wrapping layers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a drag chain electric wire comprises two wire cores 1 and an insulating covering layer 2 wrapped on the wire cores 1, wherein a winding wire 3 is arranged between the wire cores 1, the winding wire 3 is a cotton stranded wire and can be compressed when being pressed, the number of the winding wires 3 is two, the cross section of the winding wire 3 is circular, the winding wire 3 is in contact with the insulating covering layer 3, soft strips 4 are arranged between the insulating covering layer 2 and the winding wire 3, the number of the soft strips 4 is four, the soft strips are respectively inserted into an external gap between the insulating covering layer 2 and the winding wire 3 in a sliding manner, the soft strips 4 are made of chloroprene rubber and are soft in texture, the soft strips 4 are of strip-shaped structures with triangular cross sections, cavities 5 are arranged in the soft strips 4, the length of the cavities 5 is the same as that of the soft strips 4, the wire cores 1 and the insulating, the compressible quantity of the soft strips 4 can be increased, so that the whole soft strips 4 are better soft, and the cavities 5 are of inner cavity structures with triangular sections.

Referring to fig. 1, 2 and 3, the insulating envelope 2 and the winding line 3 are wrapped with wrapping layers 6, the wrapping layers 6 are formed by tightly wrapping non-woven fabric winding strips with the thickness of 0.2 mm outside the insulating envelope 2 and the winding line 3, a single position is wrapped with two layers, the wrapping layers 6 have the effect of fixing the insulating envelope 2 and the winding line 3, the center surrounded by the insulating envelope 2 and the winding line 3 has a certain compression deformation space, a space is reserved for the pressing deformation of the winding line 3, and at the moment, the wrapping layers 6 are wrapped with outer wrapping layers 7.

The utility model discloses when concrete implementation: install whole electric wire in the tow chain according to the mode of spiral 2 distribution position from top to bottom, when whole tow chain cable cooperation tow chain is crooked, upside and downside surrounding layer 7 can support to pressing to the inside of tow chain electric wire, spiral 3 is supported to press and is compressed, and soft strip 4 also can be supported to press the compression, setting through cavity 5, the compressible volume of multiplicable soft strip 4, can make whole soft strip 4 soft better, through the soft protection of spiral 3 and soft strip 4, the surrounding layer 7 that significantly reduces is to the injury of pressing of insulating covering 2 and sinle silk 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. Drag chain electric wire, including insulating covering (2) of parcel on two piece at least sinle silk (1) and sinle silk (1), its characterized in that: the winding wire is characterized in that winding wires (3) are arranged between the wire cores (1), soft strips (4) are arranged between the insulation covering layers (2) and the winding wires (3), cavities (5) are arranged in the soft strips (4), wrapping layers (6) are wrapped on the insulation covering layers (2) and the winding wires (3), and wrapping layers (7) are wrapped on the wrapping layers (6).

2. The towline cord of claim 1, wherein: the cross section of the winding (3) is circular.

3. The towline cord of claim 1, wherein: the soft strips (4) are strip-shaped structures with triangular sections.

4. The towline cord of claim 1, wherein: the cavity (5) is of an inner cavity structure with a triangular section.

5. the towline cord of claim 1, wherein: the thickness of the wrapping layer (6) is not more than one millimeter.