Tear-resistant insulating layer and cable thereof

Abstract

The utility model discloses a tear-resistant insulating layer and a cable thereof, and belongs to the technical field of cables. The cable is novel in design and ingenious in device, the conductor is formed by twisting a plurality of strands of copper wires, the diameter of the conductor is 1.5 mm, the insulating layer is composed of an inner layer and an outer layer, the inner layer is made of polyethylene (PE), the thickness of the inner layer is 0.8 mm, the outer layer is made of modified polyvinyl chloride (PVC), the thickness of the outer layer is 1.2 mm, the protective layer is made of polyurethane (PU) materials, and the thickness of the protective layer is 1.0 mm. By means of the structural design, the tear resistance of the cable insulating layer is remarkably improved, and the service life of the cable is prolonged. The cable can still keep good performance under the environment of high temperature, high pressure and large mechanical stress, the flexibility of the cable is kept, the cable is not prone to damage during bending and stretching, the service life of the cable is prolonged, the manufacturing cost of the cable is reduced, through reasonable material selection and process optimization, the performance of the cable is improved, and meanwhile the service life of the cable is prolonged. The cost is effectively controlled, and the practicability of the device is greatly improved.

Description

Technical Field

[0001] This application relates to the field of cable technology, and more particularly to a tear-resistant insulation layer and a cable thereof. Background Technology

[0002] The published patent with authorization announcement number CN219303360U discloses a cable, relating to the technical field of cables. The cable includes a flexible ring with a placement groove on its outer side. A conductor is placed within the placement groove, and an insulation layer is fixedly sleeved on the outer side of the conductor. A rubber post is fixedly installed on the side end of the flexible ring, with the insulation layer abutting against the rubber post. A filling layer is fixedly connected to the outer side of the flexible ring. A flame-retardant strip is fixedly connected to the side of the filling layer away from the conductor. A steel wire armor layer is fixedly connected to the side of the flame-retardant strip away from the filling layer. A shielding layer is fixedly connected to the side of the steel wire armor layer away from the flame-retardant strip. A rubber protective layer is fixedly connected to the side of the shielding layer away from the steel wire armor layer. This cable has a simple structure, is easy to use, and provides support and protection for multiple conductors within the cable, minimizing conductor-to-conductor compression and damage, and improving the cable's bending performance and tensile strength.

[0003] The cables in the aforementioned patents have poor overall tear resistance. During the laying process, the cables need to be dragged, which can easily tear the outer covering layer of the cable. After the cable is laid, it may break due to external forces. In severe cases, this can cause fires and electric shocks, which is not conducive to people's use.

[0004] Therefore, this application proposes a tear-resistant insulation layer and a cable thereof. Utility Model Content

[0005] This application proposes a tear-resistant insulation layer and its cable to solve the problems mentioned in the background art. The conductor is made of multi-strand copper wire with a diameter of 1.5 mm. The insulation layer consists of two layers: an inner layer of polyethylene (PE) with a thickness of 0.8 mm and an outer layer of modified polyvinyl chloride (PVC) with a thickness of 1.2 mm. The protective layer is made of polyurethane (PU) material with a thickness of 1.0 mm. This structural design significantly improves the tear resistance of the cable insulation layer, enabling it to maintain good performance under high temperature, high pressure, and high mechanical stress environments. It also maintains the flexibility of the cable, making it less prone to damage during bending and stretching, extending the service life of the cable, and reducing the manufacturing cost of the cable. Through reasonable material selection and process optimization, the cable's performance is improved while the cost is effectively controlled, greatly enhancing the practicality of the device.

[0006] To achieve the above objectives, this application adopts the following technical solution:

[0007] A tear-resistant insulation layer and its cable, comprising a cable body, the cable body comprising a conductor, an insulation layer and a protective layer, the conductor being made of multiple strands of copper wire, the insulation layer comprising an inner layer and an outer layer, the inner layer being polyethylene (PE), the outer layer being modified polyvinyl chloride (PVC), and the protective layer being made of polyurethane (PU).

[0008] In a preferred embodiment, a reinforcing layer is fixedly attached to the surface of the insulating layer by an adhesive;

[0009] By adding a reinforcing layer, the strength of the cable body can be increased, preventing it from breaking due to external forces, thereby improving the practicality of the device.

[0010] In a preferred embodiment, a tear-resistant layer is fixedly attached to the surface of the reinforcing layer by an adhesive;

[0011] The tear-resistant layer is made of KEVLAR fiber filaments. This tear-resistant layer increases the tear resistance of the cable body and prevents the cable body from being dragged during installation, which could cause the outer covering layer to tear, thus improving the practicality of the device.

[0012] In a preferred embodiment, a flame-retardant layer is fixedly attached to the surface of the tear-resistant layer by an adhesive;

[0013] The flame-retardant layer is made of ceramicized silicone rubber, which increases the flame-retardant properties of the cable body and prevents open flames from igniting the cable body, thereby improving the practicality of the device.

[0014] In a preferred embodiment, an aging-resistant layer is fixedly attached to the surface of the flame-retardant layer by an adhesive;

[0015] The aging-resistant layer is made of acrylic rubber, which can prevent the cable body from aging and breaking, thereby improving the practicality of the device.

[0016] In a preferred embodiment, a weather-resistant layer is fixedly attached to the surface of the aging-resistant layer by an adhesive;

[0017] The weather-resistant layer is made of EPDM rubber, which increases the weather resistance of the cable body and prevents it from losing strength due to environmental factors, thereby improving the practicality of the device.

[0018] In a preferred embodiment, the reinforcing layer includes a thermoplastic polyurethane elastomer layer, and a vulcanized rubber layer is fixedly bonded to the surface of the thermoplastic polyurethane elastomer layer by an adhesive.

[0019] By using a reinforcing layer including a thermoplastic polyurethane elastomer layer, and a vulcanized rubber layer fixedly bonded to the surface of the thermoplastic polyurethane elastomer layer with an adhesive, the strength of the cable body can be increased, preventing the cable body from breaking due to external forces, thereby improving the practicality of the device.

[0020] In a preferred embodiment, the protective layer is located on the surface of the weather-resistant layer and is fixedly attached to the surface of the weather-resistant layer by an adhesive;

[0021] By using a protective layer made of polyurethane (PU) material with a thickness of 1.0 mm, the cable's flexibility is maintained, making it less prone to damage when bent and stretched, extending the cable's service life, reducing the cable's manufacturing cost, and thus improving the device's practicality.

[0022] The beneficial effects of this application are:

[0023] 1. A tear-resistant insulation layer and its cable, wherein the conductor is made of multi-strand copper wire with a diameter of 1.5mm, the insulation layer consists of two layers, an inner layer of polyethylene (PE) with a thickness of 0.8mm, an outer layer of modified polyvinyl chloride (PVC) with a thickness of 1.2mm, and a protective layer of polyurethane (PU) with a thickness of 1.0mm. This structural design significantly improves the tear resistance of the cable insulation layer, enabling it to maintain good performance under high temperature, high pressure and high mechanical stress environments, maintaining the flexibility of the cable, making it less prone to damage during bending and stretching, extending the service life of the cable, and reducing the manufacturing cost of the cable. Through reasonable material selection and process optimization, the cable performance is improved while the cost is effectively controlled, greatly improving the practicality of the device;

[0024] 2. This invention relates to a tear-resistant insulation layer and its cable. The insulation layer provides insulation to prevent leakage in the cable body. The reinforcing layer increases the strength of the cable body, preventing breakage due to external forces. The tear-resistant layer increases the tear resistance of the cable body, preventing tearing of the outer covering layer during installation due to dragging. The flame-retardant layer increases the flame-retardant properties of the cable body, preventing ignition by open flames. The aging-resistant layer prevents aging and breakage. The weather-resistant layer increases the weather resistance of the cable body, preventing its strength from decreasing due to environmental factors. By incorporating the insulation layer, reinforcing layer, tear-resistant layer, flame-retardant layer, aging-resistant layer, weather-resistant layer, thermoplastic polyurethane elastomer layer, and vulcanized rubber layer, the invention solves the problems of low strength and easy tearing in existing cables. This cable has the advantages of high strength and tear resistance, making it worthy of promotion and greatly improving the practicality of the device. Attached Figure Description

[0025] Figure 1This is a schematic diagram of the main body of the device in this application;

[0026] Figure 2 This is a schematic diagram of the internal structure of the cable body of the device in this application;

[0027] Figure 3 This is a schematic diagram of the reinforcing layer of the device in this application.

[0028] The following labels are used in the diagram: 1. Cable body; 11. Conductor; 2. Insulation layer; 21. Inner layer; 22. Outer layer; 3. Protective layer; 4. Reinforcing layer; 41. Thermoplastic polyurethane elastomer layer; 42. Vulcanized rubber layer; 5. Tear-resistant layer; 6. Flame-retardant layer; 7. Aging-resistant layer; 8. Weather-resistant layer. Detailed Implementation

[0029] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments.

[0030] Reference Figure 1-3 A tear-resistant insulation layer and its cable, comprising a cable body 1, the cable body 1 comprising a conductor 11, an insulation layer 2 and a protective layer 3.

[0031] The conductor 11 is made of multiple strands of copper wire, and the insulation layer 2 consists of two layers, an inner layer 21 and an outer layer 22. The inner layer 21 is made of polyethylene (PE), and the outer layer 22 is made of modified polyvinyl chloride (PVC). The protective layer 3 is made of polyurethane (PU). The conductor 11 is made of multiple strands of copper wire with a diameter of 1.5 mm. The insulation layer 2 consists of two layers, an inner layer 21 made of polyethylene (PE) with a thickness of 0.8 mm, an outer layer 22 made of modified polyvinyl chloride (PVC) with a thickness of 1.2 mm, and the protective layer 3 made of polyurethane (PU) with a thickness of 1.0 mm. This structural design significantly improves the tear resistance of the cable insulation layer 2, enabling it to maintain good performance under high temperature, high pressure, and high mechanical stress environments. It also maintains the flexibility of the cable, making it less prone to damage during bending and stretching, extending the service life of the cable, and reducing the manufacturing cost of the cable. Through reasonable material selection and process optimization, the cable's performance is improved while the cost is effectively controlled.

[0032] A reinforcing layer 4 is fixedly connected to the surface of the insulation layer 2 by an adhesive; by setting the reinforcing layer 4, the strength of the cable body 1 can be increased, preventing the cable body 1 from breaking due to external force, thereby improving the practicality of the device.

[0033] The surface of the reinforcing layer 4 is fixedly connected to the tear-resistant layer 5 by an adhesive. The tear-resistant layer 5 is made of KEVLAR fiber woven material. The tear-resistant layer 5 can increase the tear resistance of the cable body 1 and prevent the cable body 1 from being dragged during the laying process, which would cause the outer covering layer to tear, thereby improving the practicality of the device.

[0034] A flame-retardant layer 6 is fixedly connected to the surface of the tear-resistant layer 5 by an adhesive. The flame-retardant layer 6 is made of ceramicized silicone rubber. The flame-retardant layer 6 can increase the flame-retardant performance of the cable body 1 and prevent open flame from igniting the cable body 1, thereby improving the practicality of the device.

[0035] The surface of the flame retardant layer 6 is fixedly connected to the aging resistant layer 7 by an adhesive. The material of the aging resistant layer 7 is acrylic rubber. The aging resistant layer 7 can prevent the cable body 1 from aging and breakage, thereby improving the practicality of the device.

[0036] The surface of the aging-resistant layer 7 is fixedly connected to the weather-resistant layer 8 by an adhesive. The material of the weather-resistant layer 8 is EPDM rubber. The weather-resistant layer 8 can increase the weather resistance of the cable body 1, prevent it from being affected by the environment and reduce its strength, thereby improving the practicality of the device.

[0037] The reinforcing layer 4 includes a thermoplastic polyurethane elastomer layer 41, and a vulcanized rubber layer 42 is fixedly connected to the surface of the thermoplastic polyurethane elastomer layer 41 by an adhesive. By including the thermoplastic polyurethane elastomer layer 41 and the vulcanized rubber layer 42 fixedly connected to the surface of the thermoplastic polyurethane elastomer layer 41 by an adhesive, the strength of the cable body 1 can be increased, preventing the cable body 1 from breaking due to external forces, thereby improving the practicality of the device.

[0038] The protective layer 3 is located on the surface of the weather-resistant layer 8 and is fixedly connected to the surface of the weather-resistant layer 8 by an adhesive. The protective layer 3 is made of polyurethane (PU) material with a thickness of 1.0 mm, which maintains the flexibility of the cable, making it less susceptible to damage when bent and stretched, extending the service life of the cable, reducing the manufacturing cost of the cable, and thus improving the practicality of the device.

[0039] Working Principle: Conductor 11 is made of multi-strand copper wire with a diameter of 1.5mm. Insulation layer 2 consists of two layers: inner layer 21 is polyethylene (PE) with a thickness of 0.8mm, and outer layer 22 is modified polyvinyl chloride (PVC) with a thickness of 1.2mm. Protective layer 3 is made of polyurethane (PU) with a thickness of 1.0mm. This structural design significantly improves the tear resistance of cable insulation layer 2, enabling it to maintain good performance under high temperature, high pressure, and high mechanical stress environments. It also maintains the cable's flexibility, making it less prone to damage during bending and stretching, extending the cable's service life, and reducing manufacturing costs. Through reasonable material selection and process optimization, the cable's performance is improved while costs are effectively controlled.

[0040] The reinforcing layer 4 includes a thermoplastic polyurethane elastomer layer 41, on the surface of which a vulcanized rubber layer 42 is fixedly bonded with an adhesive. The tear-resistant layer 5 is made of Kevlar fiber braiding. The flame-retardant layer 6 is made of ceramicized silicone rubber. The aging-resistant layer 7 is made of acrylic rubber. The weather-resistant layer 8 is made of EPDM rubber. The insulation layer 2 provides insulation to prevent leakage in the cable body 1. The reinforcing layer 4 increases the strength of the cable body 1, preventing breakage due to external forces. The tear-resistant layer 5 increases the tear resistance of the cable body 1, preventing damage during installation. Pulling on the cable body 1 causes tearing of its outer covering layer. By setting a flame-retardant layer 6, the flame-retardant performance of the cable body 1 can be increased, preventing open flames from igniting the cable body 1. By setting an aging-resistant layer 7, the aging of the cable body 1 can be prevented, thus preventing breakage due to aging. By setting a weather-resistant layer 8, the weather-resistant performance of the cable body 1 can be increased, preventing its strength from decreasing due to environmental factors. By setting an insulation layer 2, a reinforcing layer 4, a tear-resistant layer 5, a flame-retardant layer 6, an aging-resistant layer 7, a weather-resistant layer 8, a thermoplastic polyurethane elastomer layer 41, and a vulcanized rubber layer 42, the problems of low strength and easy tearing of existing cables are solved. This cable has the advantages of high strength and tear resistance, and is worth promoting.

[0041] The above are merely preferred embodiments of this application, but the scope of protection of this application is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this application, based on the technical solution and the inventive concept of this application, should be included within the scope of protection of this application.

Claims

1. A tear-resistant insulation layer and a cable thereof, comprising a cable body (1), characterized in that, The cable body (1) includes a conductor (11), an insulation layer (2) and a protective layer (3). The conductor (11) is made of multiple strands of copper wire. The insulation layer (2) consists of two layers, an inner layer (21) and an outer layer (22). The inner layer (21) is made of polyethylene (PE), the outer layer (22) is made of modified polyvinyl chloride (PVC), and the protective layer (3) is made of polyurethane (PU).

2. The tear-resistant insulation layer and cable according to claim 1, characterized in that, The surface of the insulating layer (2) is fixedly connected to the reinforcing layer (4) by an adhesive.

3. The tear-resistant insulation layer and cable according to claim 2, characterized in that, The surface of the reinforcing layer (4) is fixedly connected to the tear-resistant layer (5) by an adhesive.

4. The tear-resistant insulation layer and cable according to claim 3, characterized in that, The surface of the tear-resistant layer (5) is fixedly connected to the flame-retardant layer (6) by an adhesive.

5. The tear-resistant insulation layer and cable according to claim 4, characterized in that, An aging resistant layer (7) is fixedly attached to the surface of the flame retardant layer (6) by an adhesive.

6. The tear-resistant insulation layer and cable according to claim 5, characterized in that, The surface of the aging-resistant layer (7) is fixedly connected to the weather-resistant layer (8) by an adhesive.

7. A tear-resistant insulation layer and its cable according to claim 2, characterized in that, The reinforcing layer (4) includes a thermoplastic polyurethane elastomer layer (41), and a vulcanized rubber layer (42) is fixedly connected to the surface of the thermoplastic polyurethane elastomer layer (41) by an adhesive.

8. The tear-resistant insulation layer and cable according to claim 1, characterized in that, The protective layer (3) is located on the surface of the weather-resistant layer (8) and is fixedly connected to the surface of the weather-resistant layer (8) by an adhesive.

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