Flexible drag chain cable

Abstract

The utility model provides a flexible drag chain cable, which relates to the technical field of cables and comprises a wire core, an insulating layer fixedly connected to the surface of the wire core, a flame-retardant layer fixedly connected to the surface of the insulating layer, a reinforcing layer fixedly connected to the surface of the flame-retardant layer, and a first shielding layer fixedly connected to the surface of the reinforcing layer. The surface of the first shielding layer is fixedly connected with a second shielding layer, the surface of the second shielding layer is fixedly connected with a buffer layer, and the surface of the buffer layer is fixedly connected with a sheath layer; according to the utility model, the wire core wound on the surface is reinforced through the fiber wires, the wire core is subjected to flame retardant treatment through the flame retardant layer, and compared with the traditional flame retardant, the silicone rubber material adopting the halogen-free flame retardant has higher flame retardant efficiency, releases little smoke when bearing high temperature, almost does not generate toxic gas, and is environment-friendly and energy-saving. The silicone rubber endows the flame-retardant layer with good flexibility, cold resistance and chemical corrosion resistance, so that the flame-retardant layer can adapt to various complex industrial environments.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field especially relates to a flexible drag chain cable. BACKGROUND

[0002] The flexible drag chain cable is a special cable specially designed for dynamic and complex working environment, which is usually composed of a conductor of carefully twisted multiple thin copper wires or copper alloy wires, has excellent flexibility and tensile resistance, and is commonly used in industrial automation field to provide stable power transmission and signal transmission for automation equipment.

[0003] However, the flexible drag chain cable lacks good flame retardant performance in the prior art, and if it is applied to an automated electronic industrial plant, since there are many precise and expensive electronic equipment and flammable electronic materials inside the electronic industrial plant, if the flexible drag chain cable of the automated production equipment catches fire, not only the equipment will be damaged, but also the product quality will be affected by smoke and harmful gases. UTILITY MODEL CONTENT

[0004] The utility model mainly provides a flexible drag chain cable with flame retardant performance.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a flexible drag chain cable, comprising a core, the core surface is fixedly connected with an insulating layer, the insulating layer surface is fixedly connected with a flame retardant layer, the flame retardant layer surface is fixedly connected with a reinforcing layer, the reinforcing layer surface is fixedly connected with a first shielding layer, the first shielding layer surface is fixedly connected with a second shielding layer, the second shielding layer surface is fixedly connected with a buffer layer, and the buffer layer surface is fixedly connected with a sheath layer.

[0006] Preferably, the core is provided with a fiber wire inside, and the core is wound on the surface of the fiber wire, so as to improve the strength of the core after winding and improve the stability of the whole in operation in the subsequent use process.

[0007] Preferably, the core surface is coated with a layer of graphene composite conductive coating, the graphene composite conductive coating enhances the conductivity of the core, and also provides additional protection for the core, prevents the core from being oxidized in a complex environment, and ensures stable current transmission.

[0008] Preferably, the thickness of the flame retardant layer is one sixth to one fifth of the overall thickness, and the reasonable thickness setting ensures that the flame retardant layer has sufficient fireproof performance.

[0009] Preferably, the thickness of the reinforcing layer is one sixth to one fifth of the overall thickness, and the reasonable thickness setting makes the whole have sufficient strength.

[0010] Preferably, the first shielding layer adopts a metalized ceramic film material, the second shielding layer is a mesh structure woven by multiple strands of nickel-plated copper wires, and the weaving density of the second shielding layer is greater than 98%, so that the first shielding layer and the second shielding layer ensure the stability of power transmission and signal transmission of the core.

[0011] Compared with the prior art, the utility model has the advantages and positive effects that,

[0012] 1、 the utility model discloses a line core is reinforced to the surface of fiber line, and the line core is treated to the flame -retardant layer, and the silicon rubber material of halogen -free flame -retardant agent is compared with traditional flame -retardant agent, has higher flame -retardant efficiency, and the smoke that releases when bearing high temperature is extremely little, and almost does not produce toxic gas, and the silicon rubber gives the flame -retardant layer good flexibility, cold resistance and chemical corrosion resistance, so that it can adapt to various complex industrial environments.

[0013] 2、 the utility model discloses a first shielding layer and second shielding layer guarantee the stability of power transmission and signal transmission of the core, and the stability of whole in the use process is promoted through the buffer layer, and the whole is protected through the sheath layer. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 A three-dimensional structure schematic diagram of the flexible drag chain cable is provided for the utility model;

[0015] Fig. 2 A cross-sectional structure schematic diagram of the flexible drag chain cable is provided for the utility model.

[0016] Legend: 1, core; 2, fiber line; 3, insulating layer; 4, flame -retardant layer; 5, reinforcing layer; 6, first shielding layer; 7, second shielding layer; 8, buffer layer; 9, sheath layer. DETAILED DESCRIPTION

[0017] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model will be further described below in combination with the drawings and examples. It should be explained that the examples and features in the examples of the present application can be combined with each other without conflict.

[0018] In the following description, a lot of specific details are set forth in order to fully understand the utility model, however, the utility model can also be implemented in other ways different from the description herein, therefore, the utility model is not limited to the specific examples disclosed in the following description.

[0019] Please refer to Figs. 1-2The utility model provides a technical scheme: a kind of flexible drag chain cable, including core 1, core 1 surface fixed connection insulating layer 3, insulating layer 3 surface fixed connection flame -retardant layer 4, flame -retardant layer 4 surface fixed connection reinforcing layer 5, reinforcing layer 5 surface fixed connection first shielding layer 6, first shielding layer 6 surface fixed connection second shielding layer 7, second shielding layer 7 surface fixed connection buffer layer 8, buffer layer 8 surface fixed connection sheath layer 9.

[0020] As Fig. 2 Shown, core 1 inside is provided with fiber line 2, and core 1 is wound around fiber line 2 surface, and the strength of core 1 after winding is improved by fiber line 2, to improve the stability of the whole in the subsequent use process.

[0021] As Fig. 2 Shown, core 1 surface is coated with a layer of graphene composite conductive coating, and the conductivity of core 1 is enhanced by graphene composite conductive coating, which can also provide additional protection for core 1, prevent core 1 from oxidizing in complex environment, and ensure stable current transmission.

[0022] As Fig. 2 Shown, flame -retardant layer 4 is made of halogen-free flame retardant silicone rubber material, and the thickness of flame -retardant layer 4 is one sixth to one fifth of the overall thickness, and the flame -retardant layer 4 made of halogen-free flame retardant silicone rubber material provides flame -retardant protection for the whole, reduces the generation of smoke when subjected to high temperature, and ensures that the flame -retardant layer 4 has sufficient fireproof performance by reasonable thickness setting.

[0023] As Fig. 2 Shown, reinforcing layer 5 is made of fluoroplastic material, and the thickness of reinforcing layer 5 is one sixth to one fifth of the overall thickness, and the reinforcing layer 5 made of fluoroplastic material improves the weather resistance of the internal structure, avoids the cracking of flame -retardant layer 4 and insulating layer 3, prolongs the service life of the whole, and makes the whole have sufficient strength by reasonable thickness setting.

[0024] As Fig. 2 Shown, first shielding layer 6 is made of metallized ceramic film material, and second shielding layer 7 is a mesh structure woven by multiple strands of nickel-plated copper wire, and the weaving density of second shielding layer 7 is greater than 98%, and the first shielding layer 6 and second shielding layer 7 ensure the stability of power transmission and signal transmission of core 1.

[0025] The use method and working principle of the device: the surface of core 1 is reinforced by fiber line 2, the flame -retardant layer 4 is used for flame -retardant treatment of core 1, the strength of the whole is strengthened by reinforcing layer 5, the stability of power transmission and signal transmission of core 1 is ensured by first shielding layer 6 and second shielding layer 7, the stability of the whole in use is improved by buffer layer 8, and the whole is protected by sheath layer 9.

[0026] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A flexible chain cable, characterized in that, It includes wire core (1), the wire core (1) surface fixed connection insulating layer (3), the insulating layer (3) surface fixed connection flame retardant layer (4), the flame retardant layer (4) surface fixed connection strengthening layer (5), the strengthening layer (5) surface fixed connection first shielding layer (6), the first shielding layer (6) surface fixed connection second shielding layer (7), the second shielding layer (7) surface fixed connection buffer layer (8), the buffer layer (8) surface fixed connection sheath layer (9).

2. The flexible umbilical cable of claim 1, wherein: The wire core (1) is internally provided with fiber wire (2), and the wire core (1) is wound on the surface of the fiber wire (2).

3. The flexible umbilical cable of claim 1, wherein: The wire core (1) is coated with a layer of graphene composite conductive coating.

4. The flexible umbilical cable of claim 1, wherein: The thickness of the flame retardant layer (4) is one sixth to one fifth of the overall thickness.

5. The flexible umbilical cable of claim 1, wherein: The thickness of the strengthening layer (5) is one sixth to one fifth of the overall thickness.

6. The flexible umbilical cable of claim 1, wherein: The first shielding layer (6) is made of metallized ceramic film material, the second shielding layer (7) is a mesh structure woven by multiple strands of nickel-plated copper wire, and the weaving density of the second shielding layer (7) is greater than 98%.

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