Coaxial communication cable with good electromagnetic shielding effect

Abstract

The utility model discloses a coaxial communication cable with a good electromagnetic shielding effect, comprising a main body assembly which comprises a first joint; the shielding assembly comprises a shielding sleeve, a first fixing sleeve, a second fixing sleeve, a mounting hole and a first threaded rod; the shielding sleeve sleeves the outer surface of the first connector, the first fixing sleeve is connected to one side of the outer surface of the shielding sleeve, the second fixing sleeve is connected to the other side of the outer surface of the shielding sleeve, the mounting hole is formed in one side of the outer surface of the first fixing sleeve, the first threaded rod penetrates through the mounting hole, and a clamping block is fixed to one end of the outer surface of the first threaded rod. According to the utility model, the problems of signal quality reduction, data loss or transmission errors caused by easy signal leakage at the joint of the existing coaxial cable, signal leakage at the bad joint, influence on the safety and confidentiality of data transmission, and external electromagnetic interference at the joint due to poor shielding are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a coaxial communication cable with good electromagnetic shielding effect. Background Art

[0002] Coaxial cable is a kind of wire and signal transmission line, generally composed of four layers of materials, the innermost is a conductive copper wire, the outer surface of the wire is surrounded by a layer of plastic as an insulation layer, the outer surface of the insulation layer is a thin mesh conductor, and the outer surface of the conductor is the outermost layer of insulating material as a sheath. Coaxial cable can be used for the transmission of analog and digital signals, and is suitable for a variety of applications, the most important of which are television broadcasting, long-distance telephone transmission, short-distance connections between computer systems, and local area networks.

[0003] However, it still has the following disadvantages in actual use:

[0004] Existing coaxial cables are prone to small leaks at the connection points. Poor connections will cause signal leakage, affecting the security and confidentiality of data transmission. Poor shielding at the connection points is susceptible to external electromagnetic interference, which will cause signal quality degradation, data loss or transmission errors. Utility Model Content

[0005] The purpose of the utility model is to provide a coaxial communication cable with good electromagnetic shielding effect, so as to solve the problem raised in the above background technology that the existing coaxial cables are prone to small leakage at the connection, poor connection will cause signal leakage, affecting the security and confidentiality of data transmission, and poor shielding at the connection is susceptible to external electromagnetic interference, which will cause signal quality degradation and data loss or transmission errors.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a coaxial communication cable with good electromagnetic shielding effect, comprising:

[0008] a main body assembly, the main body assembly comprising a first joint;

[0009] A shielding assembly, the shielding assembly comprising a shielding sleeve, a first fixing sleeve, a second fixing sleeve, a mounting hole, and a first threaded rod;

[0010] The shielding sleeve is fitted on the outer surface of the first joint, the first fixing sleeve is connected to one side of the outer surface of the shielding sleeve, and the second fixing sleeve is connected to the other side of the outer surface of the shielding sleeve. The mounting hole is opened on one side of the outer surface of the first fixing sleeve, and the first threaded rod passes through the inside of the mounting hole.

[0011] Furthermore, the main body assembly also includes a first cable, a second cable, and a second connector;

[0012] A first cable is connected to one side of the outer surface of the first connector, a second cable is arranged on one side of the first connector, and a second connector is connected to one end of the outer surface of the second cable;

[0013] Wherein, the first connector corresponds to the second connector.

[0014] Furthermore, a clamping block is fixed to one end of the outer surface of the first threaded rod, a connecting block is fixed to the other end of the outer surface of the first threaded rod, a second threaded rod is passed through the center of the outer surface of the clamping block, and a fixing nut is passed through the outer surface of the second threaded rod;

[0015] There are two second threaded rods, which respectively penetrate through two sides of the shielding sleeve.

[0016] Furthermore, the mounting holes are arranged in groups of two, with two groups in total, which are respectively arranged on both sides of the outer surfaces of the first fixing sleeve and the second fixing sleeve; the first threaded rods are arranged in groups of two, with two groups in total, which respectively pass through the inside of the four mounting holes.

[0017] Furthermore, the connection blocks are arranged in groups of two, with two groups in total being arranged and respectively connected to the outer surfaces of the first threaded rod and the second threaded rod.

[0018] Furthermore, the internal structure of the cable includes copper wire, polyvinyl chloride, copper wire, aluminum foil, and polyethylene;

[0019] The copper wire is arranged at the center of the cable, polyvinyl chloride is coated on the outer surface of the copper wire, copper wire is woven on the outer surface of polyvinyl chloride, aluminum foil is interwoven and overlapped on the outer surface of the copper wire, and polyethylene is coated on the outer surface of the aluminum foil.

[0020] Compared with the prior art, the advantages of the present invention are:

[0021] 1. The utility model provides a shielding assembly. When connecting cables, first, the staff puts the shielding sleeve on the outer surfaces of the first connector and the second connector. Then, the staff inserts the first connector into the second connector to connect the first cable to the second cable. At this time, the staff rotates the first threaded rod to clamp the first cable with the clamping block. Then, the second threaded rod passes through the connecting block. After the two connecting blocks are connected, the fixing nut is tightened on the outer surface of the second threaded rod. This can ensure that the connection between the first connector and the second connector is more stable, prevent the cable connection failure caused by loose connectors, and ensure the accurate docking of the cables to avoid problems such as poor contact or unstable signal transmission.

[0022] 2. Based on beneficial effect 1, by setting copper wire, polyvinyl chloride, copper wire, aluminum foil, and polyethylene, copper wire is used as the central conductor of the cable. Copper has excellent conductivity and can provide good signal transmission and power transmission. Copper wire can also withstand large currents and is suitable for various electrical applications. Polyvinyl chloride is used as the insulating material of the cable. Polyvinyl chloride has good wear resistance, corrosion resistance and flame retardancy. It can protect the copper wire from the influence of the external environment and ensure the safety and long service life of the cable. Copper wire weaving is used for the shielding layer of the cable, which can effectively block external electromagnetic interference and maintain stable signal transmission. Copper wire weaving also increases the flexibility and durability of the cable. Aluminum foil is used for cable shielding, especially in high-frequency signal transmission. Aluminum foil can reflect and absorb electromagnetic waves, reduce external interference, and improve signal fidelity. Polyethylene has good waterproof and weather resistance. It can protect the internal structure from physical damage, extend the service life of the cable, and make the cable more efficient, stable and safe when transmitting power or signals. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 This is a schematic diagram of the main components of the utility model;

[0025] Figure 2 This is a schematic diagram of the shielding assembly of the utility model;

[0026] Figure 3 This is a diagram of the internal structure of the shielding assembly of the utility model;

[0027] Figure 4 This is the internal structure diagram of the utility model cable;

[0028] Figure 5 It is a cross-sectional view of the cable of the utility model.

[0029] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0030] 11. first cable; 12. first connector; 13. second cable; 14. second connector;

[0031] 21. Shielding sleeve; 22. First fixing sleeve; 23. Second fixing sleeve; 24. Mounting hole; 25. First threaded rod; 26. Block; 27. Connecting block; 28. Second threaded rod; 29. ​​Fixing nut;

[0032] 31. Copper wire; 32. Polyvinyl chloride; 33. Copper wire; 34. Aluminum foil; 35. Polyethylene. DETAILED DESCRIPTION

[0033] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0034] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0035] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general scale, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0036] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0037] See also Figure 1-Figure 3 As shown, this embodiment is a coaxial communication cable with good electromagnetic shielding effect, comprising:

[0038] A main body component, the main body component includes a first joint 12;

[0039] The main assembly also includes a first cable 11, a second cable 13, and a second connector 14;

[0040] A first cable 11 is connected to one side of the outer surface of the first connector 12, a second cable 13 is provided on one side of the first connector 12, and a second connector 14 is connected to one end of the outer surface of the second cable 13;

[0041] The first connector 12 is a connecting component of the coaxial cable, used to connect the cable to a device or other cables. The first connector 12 is usually located at one end of the cable, and has an outer surface connected to the first cable 11. The first cable 11 is the actual transmission medium of the coaxial cable, which contains a conductive copper wire inside and is wrapped with a hierarchical structure such as an insulator, a dielectric, and a mesh conductor outside;

[0042] Shielding assembly, the shielding assembly includes a shielding sleeve 21, a first fixing sleeve 22, a second fixing sleeve 23, a mounting hole 24, and a first threaded rod 25;

[0043] The shielding sleeve 21 is sleeved on the outer surface of the first joint 12. The first fixing sleeve 22 is connected to one side of the outer surface of the shielding sleeve 21. The second fixing sleeve 23 is connected to the other side of the outer surface of the shielding sleeve 21. The mounting hole 24 is opened on one side of the outer surface of the first fixing sleeve 22. The first threaded rod 25 passes through the mounting hole 24.

[0044] The shielding sleeve 21 is a shielding layer surrounding the outside of the first connector 12, and its function is to reduce electromagnetic interference and protect the signal transmitted inside the cable from being affected by external noise. The first fixing sleeve 22 is used to fix the shielding sleeve 21 or provide additional mechanical support. The second fixing sleeve 23 is used together with the first fixing sleeve 22 to strengthen the fixing and protection of the shielding sleeve 21.

[0045] The mounting holes 24 are used to further secure and connect the cables by mounting screws or other fixings;

[0046] A clamping block 26 is fixed to one end of the outer surface of the first threaded rod 25, a connecting block 27 is fixed to the other end of the outer surface of the first threaded rod 25, a second threaded rod 28 passes through the center of the outer surface of the clamping block 26, and a fixing nut 29 passes through the outer surface of the second threaded rod 28;

[0047] There are two second threaded rods 28 , which respectively penetrate through both sides of the shielding sleeve 21 ;

[0048] The clamping block 26 is used to ensure that the first threaded rod 25 can be stably fixed on the shielding sleeve 21, and the connecting block 27 is used to connect the cable or connector on the other side;

[0049] Two second threaded rods 28 are provided, respectively passing through both sides of the shielding sleeve 21. The two second threaded rods 28 may be used to further strengthen the structure of the entire shielding assembly. The fixing nut 29 is used to fix the entire shielding structure to ensure that all components are tightly combined, thereby effectively improving the shielding effect.

[0050] Working principle:

[0051] When connecting the cables;

[0052] First, the staff puts the shielding sleeve 21 on the outer surface of the first joint 12 and the second joint 14;

[0053] Next, the staff inserts the first connector 12 into the second connector 14 to connect the first cable 11 to the second cable 13;

[0054] At this time, the staff rotates the first threaded rod 25 again to clamp the clamping block 26 to the first cable 11, and then passes the second threaded rod 28 through the connecting block 27;

[0055] After the two connecting blocks 27 are connected, the fixing nut 29 is tightened on the outer surface of the second threaded rod 28 to ensure that the connection between the first joint 12 and the second joint 14 is more stable;

[0056] This step prevents cable connection failure due to loose connectors, and ensures accurate docking of cables to avoid problems such as poor contact or unstable signal transmission.

[0057] See also Figures 4 to 5 As shown, this embodiment is based on the above embodiment 1 and also includes:

[0058] The internal structure of the cable includes copper wire 31, polyvinyl chloride 32, copper wire 33, aluminum foil 34, and polyethylene 35;

[0059] The copper wire 31 is arranged at the center of the cable, the polyvinyl chloride 32 is coated on the outer surface of the copper wire 31, the copper wire 33 is woven on the outer surface of the polyvinyl chloride 32, the aluminum foil 34 is interwoven and overlapped on the outer surface of the copper wire 33, and the polyethylene 35 is coated on the outer surface of the aluminum foil 34;

[0060] Working principle:

[0061] The copper wire 31 is used as the central conductor of the cable. Copper has excellent electrical conductivity and can provide good signal transmission and power transmission. The copper wire 31 can also withstand large currents and is suitable for various electrical applications.

[0062] Polyvinyl chloride 32 is used as the insulation material of the cable. Polyvinyl chloride has good wear resistance, corrosion resistance and flame resistance. It can protect the copper wire 31 from the influence of the external environment and ensure the safety and long service life of the cable.

[0063] The copper wire 33 braid is used for the shielding layer of the cable, which can effectively block external electromagnetic interference and maintain stable signal transmission. The copper wire 33 braid also increases the flexibility and durability of the cable;

[0064] The aluminum foil 34 is used for cable shielding, especially in high-frequency signal transmission, the aluminum foil can reflect and absorb electromagnetic waves, reduce external interference, and improve signal fidelity;

[0065] Polyethylene 35 has good waterproof and weather resistance, which can protect the internal structure from physical damage and extend the service life of the cable;

[0066] This structure makes the cable more efficient, stable and safer when transmitting power or signals.

[0067] In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be a connection between the two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, for technicians in this field, they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A coaxial communication cable with good electromagnetic shielding effect, characterized in that: include: A main body component, the main body component comprising a first joint (12); A shielding assembly, the shielding assembly comprising a shielding sleeve (21), a first fixing sleeve (22), a second fixing sleeve (23), a mounting hole (24), and a first threaded rod (25); The shielding sleeve (21) is sleeved on the outer surface of the first joint (12); the first fixing sleeve (22) is connected to one side of the outer surface of the shielding sleeve (21); the second fixing sleeve (23) is connected to the other side of the outer surface of the shielding sleeve (21); the mounting hole (24) is opened on one side of the outer surface of the first fixing sleeve (22); and the first threaded rod (25) passes through the interior of the mounting hole (24).

2. A coaxial communication cable with good electromagnetic shielding effect according to claim 1, characterized in that: The main body assembly also includes a first cable (11), a second cable (13), and a second connector (14); A first cable (11) is connected to one side of the outer surface of the first connector (12), a second cable (13) is provided on one side of the first connector (12), and a second connector (14) is connected to one end of the outer surface of the second cable (13); The first connector (12) corresponds to the second connector (14).

3. The coaxial communication cable with good electromagnetic shielding effect according to claim 1, characterized in that: A clamping block (26) is fixed to one end of the outer surface of the first threaded rod (25), a connecting block (27) is fixed to the other end of the outer surface of the first threaded rod (25), a second threaded rod (28) passes through the center of the outer surface of the clamping block (26), and a fixing nut (29) passes through the outer surface of the second threaded rod (28); There are two second threaded rods (28) which respectively penetrate through two sides of the shielding sleeve (21).

4. A coaxial communication cable with good electromagnetic shielding effect according to claim 1, characterized in that: The mounting holes (24) are arranged in groups of two, with two groups in total, and are respectively arranged on both sides of the outer surfaces of the first fixing sleeve (22) and the second fixing sleeve (23); the first threaded rods (25) are arranged in groups of two, with two groups in total, and are respectively inserted into the inside of the four mounting holes (24).

5. The coaxial communication cable with good electromagnetic shielding effect according to claim 3, characterized in that: The connection blocks (27) are arranged in groups of two, with two groups in total being arranged and respectively connected to the outer surfaces of the first threaded rod (25) and the second threaded rod (28).

6. The coaxial communication cable with good electromagnetic shielding effect according to claim 1, characterized in that: The internal structure of the cable includes copper wire (31), polyvinyl chloride (32), copper wire (33), aluminum foil (34), and polyethylene (35); The copper wire (31) is arranged at the center of the cable, polyvinyl chloride (32) is coated on the outer surface of the copper wire (31), the copper wire (33) is woven on the outer surface of the polyvinyl chloride (32), the aluminum foil (34) is interwoven and overlapped on the outer surface of the copper wire (33), and the polyethylene (35) is coated on the outer surface of the aluminum foil (34).

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