Multi-layer shielding anti-electromagnetic interference connecting line

Abstract

The utility model discloses a multi-layer shielding anti-electromagnetic interference connecting line, which comprises a connecting line body, the connecting line body comprises a wire core, the surface of the wire core is bonded with a protective sleeve, the protective sleeve comprises a heat-resistant layer, the surface of the heat-resistant layer is bonded with an anti-interference layer, the surface of the anti-interference layer is bonded with an elastic layer, and the surface of the elastic layer is bonded with a shielding layer. A first wear-resistant layer is adhered to the surface of the elastic layer, a second wear-resistant layer is sprayed on the surface of the first wear-resistant layer, and a connector is fixedly connected to the top of the connecting line body. According to the utility model, through cooperation of the first anti-electromagnetic layer, the second anti-electromagnetic layer and the third anti-electromagnetic layer, multi-layer shielding of electromagnetic interference can be realized, the data transmission speed and quality of the connecting line body are ensured, and through the heat-resistant layer, the elastic layer, the first wear-resistant layer and the second wear-resistant layer, the data transmission efficiency is improved. The connecting line body has good heat resistance, elasticity and wear resistance, the service life of the connecting line body is prolonged, and the connecting line is convenient for people to use.

Description

Technical Field

[0001] The utility model relates to the technical field of connecting wires, in particular to a multi-level shielding anti-electromagnetic interference connecting wire. Background Art

[0002] A connecting cable is a cable that connects two devices. Common connecting cables include USB interface types, HDMI interface types, VGA interface types, and DVI interface types.

[0003] During use, the existing connecting cables will generate electromagnetic radiation and capacitive coupling due to the surrounding environment. At the same time, new electromagnetic interference sources will continue to be generated in the surrounding environment, and the existing connecting cables do not have the function of shielding against electromagnetic interference, resulting in the electromagnetic interference source affecting the electrical performance of the connecting cables, thereby affecting the data transmission speed and quality of the connecting cables, causing inconvenience to people's use. Therefore, multi-level shielding and anti-electromagnetic interference connecting cables have been launched in a targeted manner. Utility Model Content

[0004] The purpose of the utility model is to provide a multi-level shielding anti-electromagnetic interference connecting wire, which has the advantages of multi-level shielding anti-electromagnetic interference, and solves the problem that the existing connecting wires will generate electromagnetic radiation and capacitive coupling due to the surrounding environment during use. At the same time, new electromagnetic interference sources will continue to be generated in the surrounding environment, and the existing connecting wires do not have the function of shielding anti-electromagnetic interference, resulting in the electromagnetic interference source affecting the electrical performance of the connecting wire, thereby affecting the data transmission speed and quality of the connecting wire, causing inconvenience to people's use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-level shielded anti-electromagnetic interference connecting wire, including a connecting wire body, the connecting wire body including a wire core, a protective cover bonded to the surface of the wire core, the protective cover including a heat-resistant layer, an anti-interference layer bonded to the surface of the heat-resistant layer, an elastic layer bonded to the surface of the anti-interference layer, a first wear-resistant layer bonded to the surface of the elastic layer, a second wear-resistant layer sprayed on the surface of the first wear-resistant layer, and a connector fixedly connected to the top of the connecting wire body.

[0006] Preferably, the anti-interference layer comprises a first anti-electromagnetic layer, a second anti-electromagnetic layer is bonded to the surface of the first anti-electromagnetic layer, and a third anti-electromagnetic layer is bonded to the surface of the second anti-electromagnetic layer.

[0007] Preferably, the first anti-electromagnetic layer is made of copper, the second anti-electromagnetic layer is made of tin foil, and the third anti-electromagnetic layer is made of a nickel-chromium alloy wire mesh.

[0008] Preferably, the elastic layer is made of rubber, and the heat-resistant layer is made of polypropylene.

[0009] Preferably, the first wear-resistant layer is made of polyamide, and the second wear-resistant layer is made of tungsten carbide.

[0010] Preferably, a protective sleeve is threadedly connected to the surface of the connecting wire body, a groove is provided at the bottom of the connecting head, and a rubber ring is provided at the axis of the surface of the connecting wire body.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model can shield electromagnetic interference at multiple levels through the cooperation of the first anti-electromagnetic layer, the second anti-electromagnetic layer and the third anti-electromagnetic layer, thereby ensuring the data transmission speed and quality of the connecting line body. Moreover, through the heat-resistant layer, the elastic layer, the first wear-resistant layer and the second wear-resistant layer, the connecting line body can have good heat resistance, elasticity and wear resistance, thereby extending the service life of the connecting line body and facilitating people's use.

[0013] 2. The utility model can provide the connecting wire body with the performance of shielding and resisting electromagnetic interference by providing the first anti-electromagnetic layer, the second anti-electromagnetic layer and the third anti-electromagnetic layer. By providing the heat-resistant layer, the damage caused by the heating of the wire core can be reduced. By providing the protective cover, the connection between the connecting wire body and the connector can be reinforced to avoid damage during bending. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the material structure of the protective cover of the utility model;

[0017] Figure 4 This is a schematic diagram of the material structure of the anti-interference layer of the utility model.

[0018] In the figure: 1. connecting wire body; 101. wire core; 102. protective cover; 1021. heat-resistant layer; 1022. anti-interference layer; 10221. first anti-electromagnetic layer; 10222. second anti-electromagnetic layer; 10223. third anti-electromagnetic layer; 1023. elastic layer; 1024. first wear-resistant layer; 1025. second wear-resistant layer; 2. connector; 3. protective cover; 4. groove; 5. rubber ring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 The invention discloses a multi-layer shielded electromagnetic interference-resistant connecting wire, comprising a connecting wire body 1, wherein the connecting wire body 1 comprises a wire core 101, a protective sleeve 102 is bonded to the surface of the wire core 101, the protective sleeve 102 comprises a heat-resistant layer 1021, an anti-interference layer 1022 is bonded to the surface of the heat-resistant layer 1021, the anti-interference layer 1022 comprises a first anti-electromagnetic layer 10221, a second anti-electromagnetic layer 10222 is bonded to the surface of the first anti-electromagnetic layer 10221, a third anti-electromagnetic layer 10223 is bonded to the surface of the second anti-electromagnetic layer 10222, and the first anti-electromagnetic layer 102 The material of the first anti-electromagnetic layer 10221 is copper, the material of the second anti-electromagnetic layer 10222 is tin foil, and the material of the third anti-electromagnetic layer 10223 is nickel-chromium alloy wire braided mesh. By setting the first anti-electromagnetic layer 10221, the second anti-electromagnetic layer 10222 and the third anti-electromagnetic layer 10223, the connecting wire body 1 can have the performance of shielding and anti-electromagnetic interference. The surface of the anti-interference layer 1022 is bonded with an elastic layer 1023, and the material of the elastic layer 1023 is rubber. The material of the heat-resistant layer 1021 is polypropylene. By setting the heat-resistant layer 1021, the wire core 1 can be reduced. 01 damage caused by heating, the surface of the elastic layer 1023 is bonded with a first wear-resistant layer 1024, the surface of the first wear-resistant layer 1024 is sprayed with a second wear-resistant layer 1025, the material of the first wear-resistant layer 1024 is polyamide, the material of the second wear-resistant layer 1025 is tungsten carbide metal, the top of the connecting wire body 1 is fixedly connected with a connector 2, the surface of the connecting wire body 1 is threadedly connected with a protective sleeve 3, the bottom of the connecting head 2 is provided with a groove 4, and a rubber ring 5 is provided at the axis of the surface of the connecting wire body 1. By providing the protective sleeve 3, the connecting wire body can be The connection between 1 and the connector 2 is reinforced to avoid damage during bending. The cooperation of the first anti-electromagnetic layer 10221, the second anti-electromagnetic layer 10222 and the third anti-electromagnetic layer 10223 can shield electromagnetic interference at multiple levels to ensure the data transmission speed and quality of the connecting line body 1. The heat-resistant layer 1021, the elastic layer 1023, the first wear-resistant layer 1024 and the second wear-resistant layer 1025 can make the connecting line body 1 have good heat resistance, elasticity and wear resistance, thereby extending the service life of the connecting line body 1 and facilitating people's use.

[0021] When in use, the protective sleeve 3 is screwed into the groove 4 to reinforce the connection between the connecting cable body 1 and the connecting head 2 to avoid damage during bending. The connecting cable body 1 can be stored by the rubber ring 5. Through the cooperation of the first anti-electromagnetic layer 10221, the second anti-electromagnetic layer 10222 and the third anti-electromagnetic layer 10223, electromagnetic interference can be shielded at multiple levels to ensure the data transmission speed and quality of the connecting cable body 1. Through the heat-resistant layer 1021, the elastic layer 1023, the first wear-resistant layer 1024 and the second wear-resistant layer 1025, the connecting cable body 1 can have good heat resistance, elasticity and wear resistance, thereby extending the service life of the connecting cable body 1 and facilitating people's use.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-level shielding anti-electromagnetic interference connecting wire, comprising a connecting wire body (1), characterized in that: The connecting wire body (1) comprises a wire core (101), a protective sleeve (102) is bonded to the surface of the wire core (101), the protective sleeve (102) comprises a heat-resistant layer (1021), an anti-interference layer (1022) is bonded to the surface of the heat-resistant layer (1021), an elastic layer (1023) is bonded to the surface of the anti-interference layer (1022), a first wear-resistant layer (1024) is bonded to the surface of the elastic layer (1023), a second wear-resistant layer (1025) is sprayed on the surface of the first wear-resistant layer (1024), and a connector (2) is fixedly connected to the top of the connecting wire body (1).

2. The multi-level shielding anti-electromagnetic interference connecting wire according to claim 1, characterized in that: The anti-interference layer (1022) comprises a first anti-electromagnetic layer (10221), a second anti-electromagnetic layer (10222) is bonded to the surface of the first anti-electromagnetic layer (10221), and a third anti-electromagnetic layer (10223) is bonded to the surface of the second anti-electromagnetic layer (10222).

3. The multi-level shielding anti-electromagnetic interference connecting wire according to claim 2, characterized in that: The material of the first anti-electromagnetic layer (10221) is copper, the material of the second anti-electromagnetic layer (10222) is tin foil, and the material of the third anti-electromagnetic layer (10223) is a nickel-chromium alloy wire braided mesh.

4. The multi-level shielding anti-electromagnetic interference connecting wire according to claim 1, characterized in that: The elastic layer (1023) is made of rubber, and the heat-resistant layer (1021) is made of polypropylene.

5. The multi-level shielding anti-electromagnetic interference connecting wire according to claim 1, characterized in that: The material of the first wear-resistant layer (1024) is polyamide, and the material of the second wear-resistant layer (1025) is tungsten carbide metal.

6. The multi-level shielding anti-electromagnetic interference connecting wire according to claim 1, characterized in that: A protective sleeve (3) is threadedly connected to the surface of the connecting wire body (1), a groove (4) is provided at the bottom of the connecting head (2), and a rubber ring (5) is provided at the axis of the surface of the connecting wire body (1).

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