CN214336376U

CN214336376U - Flexible drag chain flat composite cable

Info

Publication number: CN214336376U
Application number: CN202120356466.0U
Authority: CN
Inventors: 袁雨佳
Original assignee: Suzhou Dianhang Electronic Technology Co ltd
Current assignee: Suzhou Dianhang Electronic Technology Co ltd
Priority date: 2021-02-09
Filing date: 2021-02-09
Publication date: 2021-10-01
Anticipated expiration: 2031-02-09

Abstract

The utility model discloses a flat composite cable of flexible tow chain, including restrictive coating and a plurality of function sinle silk, the cross-section of restrictive coating is the fillet rectangle, the horizontal width of fillet rectangle is greater than vertical high flat form that becomes, the function sinle silk transversely set up side by side in the restrictive coating in situ and by restrictive coating cladding district separates, the outmost polytetrafluoroethylene that is of function sinle silk winds the covering, the restrictive coating is the TPU layer. The utility model discloses each sinle silk friction is little, and bending radius is little, is favorable to the wiring can improve cable life again.

Description

Flexible drag chain flat composite cable

Technical Field

The utility model relates to a composite cable especially relates to a flat composite cable of flexible tow chain.

Background

With the continuous development of industrial automation, the use of high-flexibility cables is more and more extensive, and meanwhile, the requirements of various automation equipment on the cables are higher and higher.

At present, most of high-flexibility towline cables adopt a plurality of cables with circular cross-section structures laid in a track or adopt the plurality of cables with circular cross-section structures to be cabled and then to be sheathed to form a whole thick cable with circular cross-section.

However, the former cable has a large number of wires, and thus, the cable is complicated to lay, and the cables may be crossed and disordered. After a plurality of cables are repeatedly rubbed in use, the sheath is abraded to a certain degree, and even the sheath is broken, so that the electric wire cannot be normally used. The latter cable has an excessively large outer diameter as a whole, and thus has a large bending radius during laying, which is disadvantageous for wiring. Meanwhile, the cable has a large outer diameter and the whole wire is hard, so that the requirement on the core wire is high, the fluoroplastic ETFE is generally used as an insulating material, and the cable is high in price and production cost. Moreover, the internal structure of the wire is loose, the internal gap is large, the surface of the ETFE material is smooth, the slip is large, after frequent drag chain movement, the core wire is easy to be dislocated, the internal core wire is damaged after being used for a period of time, and the performance of the wire is reduced, even the wire cannot be normally used.

SUMMERY OF THE UTILITY MODEL

To the defect of above-mentioned prior art, the utility model provides a flat composite cable of flexible tow chain solves tow chain cable bend radius big, and the problem of wearing and tearing easily takes place between the sinle silk is wired the difficulty.

The utility model discloses technical scheme as follows: the utility model provides a flat composite cable of flexible tow chain, includes restrictive coating and a plurality of function sinle silk, the cross-section of restrictive coating is the fillet rectangle, the horizontal width of fillet rectangle is greater than vertical highly flat form of becoming, the function sinle silk transversely set up side by side in the restrictive coating in situ and by restrictive coating cladding district separates, the outmost polytetrafluoroethylene that is of function sinle silk winds the covering, the restrictive coating is the TPU layer.

Preferably, the functional wire cores are arranged in the sheath in a manner that the central wire diameter is larger and the wire diameters on two sides are smaller.

Preferably, the functional wire core at least comprises an RS485 communication line and a CAT5E communication line.

Preferably, two RS485 communication lines are symmetrically arranged on two sides of the CAT5E communication line.

Preferably, the RS485 communication line is provided with a pair of first insulating core wires, a first polytetrafluoroethylene wrapped layer and a first braided shielding layer from inside to outside, the CAT5E communication line is provided with four pairs of second insulating core wires, a second polytetrafluoroethylene wrapped layer and a second braided shielding layer from inside to outside, the insulating material of the first insulating core wire is foamed polyethylene, and the insulating material of the second insulating core wire is high-density polyethylene.

The utility model provides a technical scheme's advantage lies in: the plurality of functional wire cores are integrated into one flat cable, so that wiring is convenient, the functional wire cores are coated by the sheath layer and are separated, frequent friction among the plurality of functional wire cores is avoided, and the service life is prolonged; the size of the height part of the wire is reduced due to the flat structure, compared with a round-section cable, the flexibility of the wire is increased, the bending radius is reduced, wiring is facilitated, and the service life of the cable is prolonged; compared with ETFE fluoroplastic used by a traditional high-flexibility drag chain cable, the flat zone-separated functional wire core is made of the insulating material, so that the cost is greatly reduced, and the performance of the wire in the aspect of a flexible drag chain is better.

Drawings

Fig. 1 is a schematic cross-sectional view of an embodiment flexible towline flat composite cable.

Fig. 2 is a schematic cross-sectional view of an RS485 communication line.

Fig. 3 is a schematic cross-sectional view of a CAT5E communication line.

Fig. 4 is a schematic cross-sectional view of a four-core cable.

Fig. 5 is a schematic cross-sectional view of an eight-core cable.

Detailed Description

The present invention is further described in connection with the following examples, which are intended to illustrate the invention and not to limit the scope of the invention, which, after reading the present invention, are intended to cover modifications of the invention in its various equivalent forms by those skilled in the art, which fall within the scope of the appended claims.

As shown in fig. 1, the flexible towline flat composite cable according to the present embodiment includes six functional wire cores, which are two RS485 communication wires 1, two four-core cables 2, one CAT5E communication wire 3, and one eight-core cable 4. Please refer to fig. 2 to 5, in which the RS485 communication line 1 sequentially includes a pair of first insulating core wires 11, a first teflon wrapping layer 12, and a first braided shielding layer 13 from inside to outside, and the insulating material of the first insulating core wires 11 is foamed polyethylene, which reduces the insulating dielectric constant, thereby reducing the insulating outer diameter while ensuring the impedance. The CAT5E communication line 3 comprises four pairs of twisted second insulating core wires 31, a second polytetrafluoroethylene wrapping layer 32 and a second braided shielding layer 33 from inside to outside in sequence, the insulating material of the second insulating core wires 31 is high-density polyethylene, and the CAT5E communication line 3 has good insulating strength while ensuring the performance. The two four-core cables 2 are directly twisted for the third insulating core wire 21, the eight-core cable 4 is twisted around the central filling strip 42 by the fourth insulating core wire 41 to increase the tensile capacity, and the four-core cables 2 and the eight-core cable 4 provide functions of power, grounding, I/O and the like. All the functional wire cores are sequentially arranged side by side at intervals according to the sequence of an RS485 communication wire 1, a four-core wire cable 2, a CAT5E communication wire 3, a four-core cable 2, an RS485 communication wire 1 and an eight-core cable 4, and the wire diameters of the eight-core cable 4, the RS485 communication wire 1, the four-core wire cable 2 and the CAT5E communication wire 3 are sequentially increased. Each functional wire core is externally provided with a common sheath, and is wrapped by polytetrafluoroethylene to form a polytetrafluoroethylene wrapping layer 5, so that the outer diameter of each functional wire core is reduced, and the polytetrafluoroethylene wrapping layer 5 is very smooth and wear-resistant, so that the friction of each functional wire core can be reduced. The sheath layer 6 of the high-elasticity TPU material coated outside the functional wire cores is separated from each functional wire core by the sheath layer 6, the cross section of the sheath layer 6 is a rounded rectangle with the transverse width far larger than the longitudinal height, and each functional wire core is arranged in the flat direction. The high-elasticity TPU material of the sheath layer 6 has excellent performances in the aspects of wear resistance, scratch resistance and mechanical damage resistance, and has the functions of oil resistance, hydrolysis resistance, corrosion resistance, high temperature resistance and the like.

Claims

1. The utility model provides a flat composite cable of flexible tow chain, its characterized in that, includes restrictive coating and a plurality of function sinle silk, the cross-section of restrictive coating is the fillet rectangle, the horizontal width of fillet rectangle is greater than vertical highly becoming the platykurtic, the function sinle silk transversely set up side by side in the restrictive coating in situ and by restrictive coating cladding district separates, the outmost polytetrafluoroethylene that is of function sinle silk winds the covering, the restrictive coating is the TPU layer.

2. The flexible drag chain flat composite cable of claim 1, wherein the functional wire cores are arranged in the sheath in such a way that the wire diameter is larger at the center and smaller at the two sides.

3. The flexible towline flat composite cable of claim 1, wherein the functional wire core includes at least an RS485 communication line and a CAT5E communication line.

4. The flexible towline flat composite cable of claim 3, wherein two RS485 communication lines are provided and symmetrically disposed on both sides of the CAT5E communication line.

5. The flexible towline flat composite cable according to claim 3, wherein the RS485 communication line is provided with a pair of a first insulating core, a first polytetrafluoroethylene wrapping layer and a first braided shielding layer from inside to outside, the CAT5E communication line is provided with four pairs of a second insulating core, a second polytetrafluoroethylene wrapping layer and a second braided shielding layer from inside to outside, the insulating material of the first insulating core is foamed polyethylene, and the insulating material of the second insulating core is high-density polyethylene.