CN218004413U

CN218004413U - Tensile high-flexibility oil-resistant audio cable

Info

Publication number: CN218004413U
Application number: CN202221635610.5U
Authority: CN
Inventors: 彭明松; 凌豪; 梁磊; 韩新
Original assignee: ZHEJIANG WANMA GROUP SPECIAL ELECTRON CABLE CO Ltd
Current assignee: ZHEJIANG WANMA GROUP SPECIAL ELECTRON CABLE CO Ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-12-09
Anticipated expiration: 2032-06-27

Abstract

A tensile high-flexibility oil-resistant audio cable comprises a cable core, a shielding layer and a sheath, wherein the shielding layer and the sheath wrap the cable core from inside to outside in sequence; the cable core comprises a tensile wire, a drainage wire, three filling ropes and four insulating wires; the insulated wire comprises an inner conductor and an insulating layer, wherein the inner conductor is formed by stranding a plurality of strands of soft copper wires. The four insulated wires of the cable core are tightly arranged in a looped mode, and the tensile wire is located between the four insulated wires; the drainage line and the three filling ropes are arranged between the cable core and the shielding layer at intervals. The utility model discloses wholly guaranteed the product frequently remove with make a round trip to buckle the service environment in the time can not take place to damage the rupture, the compliance is high.

Description

Tensile high-flexibility oil-resistant audio cable

Technical Field

The utility model belongs to the technical field of the audio cable and specifically relates to a high flexibility resistant oily audio cable is dragged in tensile.

Background

With the rapid development of internet, multimedia, video broadcasting, various sports event broadcasting and the like in the current society, electric wires and cables called nerves and blood vessels of various electronic instruments are applied more and more, and the types of the electric wires and cables are diversified more and more, wherein the audio cables serving as audio signal transmission media and connecting wires between sound equipment and power amplifiers are also rapidly developed and applied in a large quantity.

The audio cable under the conventional service environment is generally directly laid and installed for use, and has no special and over-high requirements on the basic technical indexes of the wire, but along with the complexity and the diversification of the application environment of the audio cable, for example, a frequently moving rebroadcasting vehicle, an outdoor live broadcast occasion, a large-scale cinema with a wiring, a KTV room, a sound broadcasting system for industrial environment of a factory building and the like, the requirements on the performance indexes of the audio cable are gradually strict, the tensile property, the flexibility, the oil resistance and the like of the cable are required to be higher and higher, but the audio cable with the traditional structure size and the characteristic indexes can hardly meet the requirements at the same time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming not enough among the above-mentioned background art, providing a high flexible resistant oily audio cable is dragged in tensile, this cable should have that tensile strength is big, the compliance is high, characteristics that oil resistance is good.

The technical scheme of the utility model is that:

a tensile high-flexibility oil-resistant audio cable comprises a cable core, a shielding layer and a sheath, wherein the shielding layer and the sheath wrap the cable core from inside to outside in sequence; the cable core comprises a tensile wire, a drainage wire, three filling ropes and four insulating wires; the insulated wire comprises an inner conductor and an insulating layer, wherein the inner conductor is formed by stranding a plurality of strands of soft copper wires.

Furthermore, four insulated wires of the cable core are tightly arranged in a looped manner, and the tensile wire is positioned between the four insulated wires; the drainage line and the three filling ropes are arranged between the cable core and the shielding layer at intervals.

Further, the three filling ropes are sequentially arranged.

Further, the filling rope is a nylon rope.

Further, the drainage wire is a tinned copper wire.

Further, the shielding layer is an aluminum-plastic composite foil.

Further, the tensile wire is a Kevlar wire.

Further, the sheath is made of super-soft high-oil-resistance polyvinyl chloride material.

Further, the insulating layer is made of a cross-linked polyethylene material.

The utility model has the advantages that:

1) The inner conductor of the utility model is formed by twisting a plurality of strands of soft copper wires, and the cabling lay length is small; meanwhile, the sheath is made of ultra-soft high oil-resistant polyvinyl chloride material, so that the product is integrally prevented from being damaged and broken in the use environment of frequent movement and back-and-forth bending, and the softness is high;

2) The tensile strength of the anti-pulling wire, the drainage wire and the three filling ropes added in the cable core is high, so that the cable construction and installation mode of pipe-through wiring can be met, and the cable cannot be broken even if pulled by a large external force;

3) The utility model discloses the sheath has adopted high resistant oily polyvinyl chloride material, and oil resistance is good, meets with the erosion of various petrol, machine oil and also still keeps good tensile and percentage elongation in special environment.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Detailed Description

The present invention will be further described with reference to the drawings attached to the specification, but the present invention is not limited to the following embodiments.

As shown in fig. 1, a tensile high-flexibility oil-resistant audio cable comprises a cable core, a shielding layer 7 and a sheath 8, wherein the shielding layer 7 and the sheath sequentially wrap the cable core from inside to outside; the cable core comprises a tensile wire 6, a drainage wire 5, three filling ropes 2 and four insulating wires; the four insulated wires of the cable core are tightly arranged in a looped mode, and the tensile wire is located between the four insulated wires; the drainage line and the three filling ropes are arranged between the cable core and the shielding layer at intervals. The three filling ropes are sequentially arranged. The insulated wire comprises an inner conductor 1 and an insulating layer 3, wherein the inner conductor is formed by stranding a plurality of strands of soft copper wires. The filling rope is a nylon rope. The drainage wire is a tinned copper wire. The shielding layer is an aluminum-plastic composite foil. The tensile wire is a Kevlar wire. The sheath is made of ultra-soft high oil-resistant polyvinyl chloride material. The insulating layer is made of a cross-linked polyethylene material.

The utility model discloses a production flow as follows:

1. bundling a plurality of strands of soft copper wires, and then performing insulation extrusion to obtain an insulated wire;

2. arranging the insulated wires, the tensile wires, the drain wires and the filling ropes orderly, and obtaining a shielding layer through a cabling tape;

3. and finally, extruding the sheath to obtain the complete tensile high-flexibility oil-resistant audio cable.

The utility model discloses in: the inner conductor of the insulated wire is formed by tightly extruding and molding a plurality of strands of soft copper wires layer by layer through an extrusion die, the pitch of the conductor bundle wires is small, the twisting is uniform, and the flexibility and the bending resistance of the cable are improved; the insulating layer of the insulated wire is made of high-strength and high-temperature-resistant cross-linked polyethylene, so that the mechanical strength and high-temperature and low-temperature resistance of the insulated wire are improved; high-strength Kevlar wires and nylon ropes are arranged in the middle and around the cable core as fillers, so that the overall tensile strength of the cable is greatly improved, and the roundness of the wire is also improved; the aluminum-plastic composite foil is coated around the cable core, so that the shielding and anti-interference performance of the cable is improved; the sheath adopts super-soft high oil-resistant polyvinyl chloride material as the extrusion material, so that the wire has good softness and oil-resistant characteristics.

The utility model discloses can obviously promote tensile strength, compliance and the resistant oily characteristic of audio cable to guarantee that the product still keeps excellent product characteristic in various complicated changeable application environment, realize audio signal's complete transmission.

The above is a detailed introduction of the anti-pulling high-flexibility oil-resistant audio cable provided by the utility model; for general manufacturers in the field, according to the ideas and principles of the embodiments of the present invention, there are changes in the specific implementation and application range; accordingly, the description is not to be construed as limiting the invention.

Claims

1. The utility model provides a high flexible resistant oily audio cable is dragged to tensile which characterized in that: the cable comprises a cable core, a shielding layer and a sheath, wherein the shielding layer and the sheath wrap the cable core from inside to outside in sequence; the cable core comprises a tensile wire, a drainage wire, three filling ropes and four insulating wires; the insulated wire comprises an inner conductor and an insulating layer, wherein the inner conductor is formed by twisting a plurality of strands of soft copper wires.

2. The high flexibility oil resistant audio cable of claim 1, wherein: the four insulated wires of the cable core are tightly arranged in a looped mode, and the tensile wire is located between the four insulated wires; the drainage line and the three filling ropes are arranged between the cable core and the shielding layer at intervals.

3. The high-flexibility oil-resistant audio cable resistant to tensile drag of claim 2, wherein: the three filling ropes are sequentially arranged.

4. The high tensile-resistant, high flexible, oil-resistant audio cable according to claim 1, 2 or 3, wherein: the filling rope is a nylon rope.

5. The high flexibility oil resistant audio cable resistant to pulling according to claim 1, 2 or 3, wherein: the drainage wire is a tinned copper wire.

6. The high flexibility oil resistant audio cable resistant to pulling according to claim 1, 2 or 3, wherein: the shielding layer is an aluminum-plastic composite foil.

7. The high flexibility oil resistant audio cable resistant to pulling according to claim 1, 2 or 3, wherein: the tensile wire is a Kevlar wire.

8. The high flexibility oil resistant audio cable resistant to pulling according to claim 1, 2 or 3, wherein: the sheath is made of ultra-soft high oil-resistant polyvinyl chloride material.

9. The high flexibility oil resistant audio cable resistant to pulling according to claim 1, 2 or 3, wherein: the insulating layer is made of a cross-linked polyethylene material.