Multi-tube loose sleeve type composite cable

Abstract

The utility model relates to the technical field of composite cables, in particular to a multi-tube loose sleeve type composite cable, which comprises a protection frame, a conductive wire is arranged on the front side of the protection frame in a penetrating manner, an inner protection sleeve is sleeved on the surface of the conductive wire, and an outer protection sleeve is sleeved on the surface of the protection frame. According to the utility model, the insulating layer can play a role in insulation and can effectively prevent current passing through the conductor wire from leaking out, the flame-retardant layer protects the inner protective sleeve and can effectively prevent the inner protective sleeve from being ignited due to too high temperature, and the compression-resistant layer can play a role in compression resistance and can effectively prevent an object in the outer protective sleeve from being crushed; through the tensile layer, the tensile effect can be achieved, the outer protective sleeve can be effectively prevented from being damaged by pulling, through the anti-puncture layer, the anti-puncture effect can be achieved, the outer protective sleeve can be effectively prevented from being punctured, through the wear-resistant layer, the wear-resistant effect can be achieved, and the surface of the outer protective sleeve can be effectively prevented from being abraded.

Description

Technical Field

[0001] The utility model relates to the technical field of composite cables, in particular to a multi-tube loose tube composite cable. Background Art

[0002] Composite cables are composed of two or more cables of the same or different types, usually consisting of a signal line and one or more power lines. Composite cables are usually used in situations where power and signals need to be transmitted simultaneously.

[0003] After searching, the patent number is CN212060655U, and the name is a utility model of multi-tube loose-tube composite cable belt cable, which includes multiple cable belts and a central support member arranged between the multiple cable belts. Through research and analysis, it is found that although it has the advantages of separate support and elastic protection for the cable belt, it still has the following disadvantages to a certain extent.

[0004] For example, during the use of the composite cable, the surface is easily damaged by external factors, which reduces the service life of the composite cable. The internal branch lines are easily damaged due to power-on, which is not convenient for normal use of the branch lines and easily causes damage to the inside of the composite cable. In order to solve the above technical problems, we have designed a multi-tube loose-tube composite cable. Utility Model Content

[0005] The utility model aims to provide a multi-tube loose tube composite cable, which has the advantages of good protection and prevention of damage due to excessive voltage, and solves the problems that the surface of the composite cable is easily damaged by external factors during use, reducing the service life of the composite cable, and the internal branch line is easily damaged due to power-on, which is not convenient for normal use of the branch line and easily causes damage to the inside of the composite cable.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-tube loose tube composite cable, comprising a protective frame, a conductive wire is penetrated through the front side of the protective frame, the surface of the conductive wire is covered with an inner protective cover, the surface of the protective frame is covered with an outer protective cover, the inner protective cover comprises an insulating layer, the inner wall of the insulating layer is in contact with the conductive wire, the surface of the insulating layer is covered with a flame retardant layer, and the surface of the flame retardant layer is covered with an anti-breakdown layer.

[0007] Preferably, the insulating layer is made of vulcanized rubber, the flame retardant layer is made of brominated polystyrene, and the anti-breakdown layer is made of epoxy resin.

[0008] Preferably, the outer protective cover comprises a pressure-resistant layer, the inner wall of the pressure-resistant layer contacts the protective frame, the surface of the pressure-resistant layer is provided with a tensile layer, the surface of the tensile layer is provided with an anti-puncture layer, and the surface of the anti-puncture layer is provided with a wear-resistant layer.

[0009] Preferably, the material of the compression-resistant layer is polyurethane, and the material of the tension-resistant layer is polypropylene fiber.

[0010] Preferably, the material of the puncture-proof layer is ultra-high molecular weight polyethylene, and the material of the wear-resistant layer is nylon.

[0011] Preferably, a reinforcement line is provided through the front side of the protection frame, and an expansion joint is provided on the surface of the protection frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model can play an insulating role through the insulating layer, which can effectively prevent the current passing through the conductive wire from leaking out, and can effectively prevent the inner protective cover from being ignited due to excessive temperature by protecting the inner protective cover through the flame retardant layer. The anti-breakdown layer can play an anti-breakdown role, which can effectively prevent the high voltage passing through the conductive wire from breaking through the inner protective cover;

[0014] 2. The utility model can play a compressive resistance role through the anti-compression layer, which can effectively prevent the objects in the outer protective cover from being crushed; can play a tensile resistance role through the anti-tensile layer, which can effectively prevent the outer protective cover from being pulled; can play an anti-puncture role through the anti-puncture layer, which can effectively prevent the outer protective cover from being punctured; can play a wear-resistant role through the wear-resistant layer, which can effectively prevent the surface of the outer protective cover from being worn. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the axonometric drawing of the structure of the utility model;

[0016] Figure 2 It is a cutaway stereoscopic view of the inner protective cover of the utility model;

[0017] Figure 3 It is a cutaway stereoscopic view of the outer protective cover of the utility model;

[0018] Figure 4 It is a three-dimensional diagram of the protection frame of the utility model.

[0019] In the figure: 1. Protection frame; 2. Reinforcement wire; 3. Outer protective cover; 4. Conductive wire; 5. Inner protective cover; 6. Insulation layer; 7. Flame retardant layer; 8. Anti-breakdown layer; 9. Compression layer; 10. Tensile layer; 11. Anti-puncture layer; 12. Wear-resistant layer. DETAILED DESCRIPTION

[0020] See also Figure 1-Figure 4A multi-tube loose tube composite cable comprises a protection frame 1, a conductive wire 4 is penetrated through the front side of the protection frame 1, an inner protective sleeve 5 is sheathed on the surface of the conductive wire 4, an outer protective sleeve 3 is sheathed on the surface of the protection frame 1, the inner protective sleeve 5 comprises an insulating layer 6, an inner wall of the insulating layer 6 is in contact with the conductive wire 4, by arranging the conductive wire 4, it is convenient to separately transmit electricity, and it can effectively prevent the single cable from being overloaded, a flame retardant layer 7 is sheathed on the surface of the insulating layer 6, and an anti-breakdown layer 8 is sheathed on the surface of the flame retardant layer 7, and by arranging the insulating layer 6, it can play an insulating role and effectively prevent leakage.

[0021] See also Figure 2 The insulating layer 6 is made of vulcanized rubber, and the flame retardant layer 7 is made of brominated polystyrene. By setting the flame retardant layer 7, it can play a flame retardant role and can effectively prevent the inner protective cover 5 from being ignited. The anti-breakdown layer 8 is made of epoxy resin. By setting the anti-breakdown layer 8, it can play an anti-breakdown role and can effectively prevent the inner protective cover 5 from being broken down by high voltage electricity.

[0022] See also Figure 1 and Figure 3 The outer protective cover 3 includes a pressure-resistant layer 9, the inner wall of the pressure-resistant layer 9 is in contact with the protective frame 1, the surface of the pressure-resistant layer 9 is provided with a tensile layer 10, the surface of the tensile layer 10 is provided with an anti-puncture layer 11, and the surface of the anti-puncture layer 11 is provided with a wear-resistant layer 12. By setting the protective frame 1, it is convenient to protect the conductive wire 4 and the inner protective cover 5, and can effectively prevent the conductive wire 4 and the inner protective cover 5 from being damaged.

[0023] See also Figure 3 The material of the pressure-resistant layer 9 is polyurethane. By setting the pressure-resistant layer 9, it can play a role of pressure resistance and can effectively prevent the items in the outer protective cover 3 from being damaged by pressure. The material of the tensile layer 10 is polypropylene fiber. By setting the tensile layer 10, it can play a role of pressure resistance and can effectively prevent the cable from being damaged.

[0024] See also Figure 3 The material of the anti-puncture layer 11 is ultra-high molecular weight polyethylene. By setting the anti-puncture layer 11, it can play an anti-puncture role and can effectively prevent the outer protective cover 3 from being punctured. The material of the wear-resistant layer 12 is nylon. By setting the wear-resistant layer 12, it can play a wear-resistant role and can effectively prevent the cable from being worn.

[0025] See also Figure 1 and Figure 4 A reinforcement line 2 is provided through the front side of the protection frame 1. By providing the reinforcement line 2, the cable can be strengthened and the cable can be effectively prevented from being damaged. An expansion joint is provided on the surface of the protection frame 1. By providing the expansion joint, the conductive wire 4 and the inner protective cover 5 can be easily inserted into the protection frame 1.

[0026] When in use, the insulating layer 6 can play an insulating role, which can effectively prevent the current passing through the conductive wire 4 from leaking out. The flame-retardant layer 7 can protect the inner protective cover 5, which can effectively prevent the inner protective cover 5 from being ignited due to excessive temperature. The anti-breakdown layer 8 can play an anti-breakdown role, which can effectively prevent the high voltage electricity passing through the conductive wire 4 from breaking down the inner protective cover 5. The pressure-resistant layer 9 can play a pressure-resistant role, which can effectively prevent the objects in the outer protective cover 3 from being crushed. The tensile layer 10 can play a tensile role, which can effectively prevent the outer protective cover 3 from being pulled. The anti-puncture layer 11 can play an anti-puncture role, which can effectively prevent the outer protective cover 3 from being punctured. The wear-resistant layer 12 can play a wear-resistant role, which can effectively prevent the surface of the outer protective cover 3 from being worn.

[0027] In summary: the multi-tube loose tube composite cable, through the insulating layer 6, the flame retardant layer 7, the anti-breakdown layer 8, the pressure-resistant layer 9, the tensile layer 10, the anti-puncture layer 11 and the wear-resistant layer 12, solves the problem that the surface of the composite cable is easily damaged by external factors during use, which reduces the service life of the composite cable, and the internal branch line is easily damaged by power-on, which is not convenient for the normal use of the branch line and easily causes damage to the inside of the composite cable.

Claims

1. A multi-tube loose tube composite cable, comprising a protective frame (1), characterized in that: A conductive wire (4) is provided through the front side of the protection frame (1); an inner protective sleeve (5) is provided on the surface of the conductive wire (4); an outer protective sleeve (3) is provided on the surface of the protection frame (1); the inner protective sleeve (5) comprises an insulating layer (6); an inner wall of the insulating layer (6) is in contact with the conductive wire (4); a flame retardant layer (7) is provided on the surface of the insulating layer (6); and an anti-breakdown layer (8) is provided on the surface of the flame retardant layer (7).

2. A multi-tube loose tube composite cable according to claim 1, characterized in that: The material of the insulating layer (6) is vulcanized rubber, the material of the flame retardant layer (7) is brominated polystyrene, and the material of the anti-breakdown layer (8) is epoxy resin.

3. The multi-tube loose tube composite cable according to claim 1, characterized in that: The outer protective sleeve (3) comprises a pressure-resistant layer (9), the inner wall of the pressure-resistant layer (9) contacts the protective frame (1), the surface of the pressure-resistant layer (9) is provided with a tensile layer (10), the surface of the tensile layer (10) is provided with an anti-puncture layer (11), and the surface of the anti-puncture layer (11) is provided with a wear-resistant layer (12).

4. A multi-tube loose tube composite cable according to claim 3, characterized in that: The material of the compression-resistant layer (9) is polyurethane, and the material of the tension-resistant layer (10) is polypropylene fiber.

5. The multi-tube loose tube composite cable according to claim 3, characterized in that: The material of the puncture-proof layer (11) is ultra-high molecular weight polyethylene, and the material of the wear-resistant layer (12) is nylon.

6. The multi-tube loose tube composite cable according to claim 1, characterized in that: A reinforcement line (2) is provided through the front side of the protection frame (1), and an expansion joint is provided on the surface of the protection frame (1).

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