Micro coaxial cable assembly

Abstract

The utility model discloses a kind of micro coaxial cable assemblies, including micro coaxial cable, SMA main body and SMA rear plug, SMA main body includes disc part and the thread portion integrally formed injection molding connected coaxially with disc part, SMA main body inside is provided with the cylindrical groove in the disc part end face opening, cable hole is set in the center of thread portion end, cable hole is communicated with cylindrical groove;SMA rear plug is set in the inside of cylindrical groove, the end of SMA rear plug passes through cable hole and is connected with micro coaxial cable.This utility model designs the disc part and the thread portion of SMA main body by integrally formed injection molding process, reduces the assembly process of metal interface and shell in traditional split structure, reduces the quantity of parts and manual assembly cost, while avoiding the structural stability problem caused by assembly fit error, improves the overall connection reliability and long-term use performance of connector assembly.

Description

Technical Field

[0001] This utility model relates to the field of cable technology, specifically to a micro coaxial cable assembly. Background Technology

[0002] In existing technologies, connector assemblies for micro-coaxial cables typically consist of two parts: a metal interface and a black outer shell. The metal interface is individually formed using processes such as lathe cutting and stamping to ensure thread precision and conductivity; the black outer shell is manufactured using injection molding, and its hexagonal design facilitates tool installation. During assembly, the metal interface and outer shell are first secured using snap-fit, threaded connections, or adhesive bonding. Then, the internal wires are soldered to the interface solder points. Finally, the external cable is connected to the internal circuitry via crimping or soldering.

[0003] However, the existing structural design has certain shortcomings: the metal interface and the shell are separate structures, requiring multiple assembly processes. This not only increases the number of parts and labor costs, but also may lead to a decrease in overall structural stability due to misalignment or connection reliability issues during assembly, affecting the long-term performance of the connector assembly. Therefore, it is necessary to propose a micro-coaxial cable assembly to solve the above problems. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of the existing technology by providing a micro coaxial cable assembly. This addresses the problem that the existing technology has a separate structure for the metal interface and the outer shell, which requires multiple assembly processes. This not only increases the number of parts and labor assembly costs, but may also lead to a decrease in the overall structural stability due to misalignment or connection reliability issues during assembly, thus affecting the long-term performance of the connector assembly.

[0005] This utility model provides a micro coaxial cable assembly, including a micro coaxial cable, an SMA body, and an SMA back plug. The SMA body includes a disc portion and a threaded portion that is coaxially connected to the disc portion and integrally injection molded. The SMA body has a cylindrical groove with an opening on the end face of the disc portion. A cable hole is provided at the center of the end of the threaded portion, and the cable hole communicates with the cylindrical groove. The SMA back plug is disposed inside the cylindrical groove, and the end of the SMA back plug passes through the cable hole and connects to the micro coaxial cable.

[0006] Furthermore, the diameter of the disc portion is larger than the diameter of the threaded portion.

[0007] Furthermore, the diameter of the cable hole is smaller than the diameter of the cylindrical groove.

[0008] Furthermore, it also includes a dust cap, a first sealing washer, a second sealing washer, and a nut; the dust cap is located at the end of the SMA rear plug, the first sealing washer and the second sealing washer are located at both ends of the disc portion, and the nut is located on one side of the second sealing washer and is threadedly connected to the threaded portion.

[0009] The present invention has the following advantages: By adopting an integrated injection molding process for the disc part and threaded part of the SMA body, the present invention reduces the assembly process of the metal interface and the shell in the traditional split structure, reduces the number of parts and the labor assembly cost, and avoids structural stability problems caused by assembly and fitting errors, thereby improving the overall connection reliability and long-term performance of the connector assembly. Attached Figure Description

[0010] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0011] Figure 1 This is a schematic diagram of the overall structure of the micro-coaxial cable assembly of this utility model;

[0012] Figure 2 This is a schematic diagram showing the connection between the SMA rear plug and the micro coaxial cable;

[0013] Figure 3 This is a schematic diagram of the interior of the SMA body;

[0014] Figure 4 This is a schematic diagram of the structure of dust caps, etc.

[0015] Illustration: 1-Micro coaxial cable; 2-SMA body; 3-SMA back plug; 4-Dust cap; 5-First sealing washer; 6-Second sealing washer; 7-Nut; 21-Disc part; 22-Threaded part; 23-Cylindrical groove; 24-Cable hole. Detailed Implementation

[0016] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments. It should be pointed out that the following detailed description is illustrative and intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0017] Please see Figures 1 to 4This utility model provides a micro coaxial cable assembly, including a micro coaxial cable 1, an SMA body 2, and an SMA back plug 3. The SMA interface is a small radio frequency connector that uses a threaded connection. The SMA body 2 includes a disc portion 21 and a threaded portion 22 integrally injection molded and coaxially connected to the disc portion 21. The diameter of the disc portion 21 is larger than the diameter of the threaded portion 22. This design provides operating space for tool installation and enhances structural stability through the size difference. The SMA body 2 has a cylindrical groove 23 with an opening on the end face of the disc portion 21. A cable hole 24 is provided at the center of the end of the threaded portion 22. The diameter of the cable hole 24 is smaller than the diameter of the cylindrical groove 23. This stepped hole design can limit the SMA back plug 3 to prevent over-insertion and ensure precise connection of internal wires. The cable hole 24 communicates with the cylindrical groove 23. The SMA back plug 3 is located inside the cylindrical groove 23. The end of the SMA back plug 3 passes through the cable hole 24 and connects to the micro coaxial cable 1 to achieve stable signal transmission. The component also includes a dust cap 4, a first sealing washer 5, a second sealing washer 6, and a nut 7. The dust cap 4 is located at the end of the SMA rear plug 3, which can effectively prevent dust from entering the interface and affecting the connection performance. The first sealing washer 5 and the second sealing washer 6 are respectively located at both ends of the disc portion 21, which can enhance the sealing performance of the component and prevent moisture or impurities from entering. The nut 7 is located on one side of the second sealing washer 6 and is threaded to the threaded portion 22. By tightening the nut 7, the overall structure can be further fixed and the reliability of the connection can be improved.

[0018] During operation, the SMA rear plug 3 is first inserted into the cylindrical groove 23 of the SMA body 2, with its end passing through the cable hole 24 and connecting to the micro-coaxial cable 1. Then, the first sealing washer 5 and the second sealing washer 6 are installed sequentially at both ends of the disc portion 21, and secured by the threaded engagement of the nut 7 with the threaded portion 22. Finally, a dust cap 4 is placed on the end of the SMA rear plug 3. Through this structural design, the disc portion 21 and the threaded portion 22 of the SMA body 2 are integrally injection molded, eliminating the assembly process of traditional split structures, reducing the number of parts and labor costs, and avoiding structural loosening due to assembly errors. The engagement of the sealing washer and nut further enhances the sealing performance and connection stability of the component, ensuring that the micro-coaxial cable maintains good signal transmission performance during long-term use.

[0019] This invention optimizes the structural design of the connector assembly, which not only reduces production costs and assembly complexity, but also significantly improves the stability and reliability of the overall structure. It effectively solves the problems of low assembly efficiency and poor connection reliability of the split structure in the prior art, and is suitable for micro coaxial cable application scenarios with high requirements for connection accuracy and stability.

[0020] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0021] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented, for example, in sequences other than those illustrated or described herein.

[0022] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A micro-coaxial cable assembly, characterized in that, include: The SMA body (2) comprises a micro-coaxial cable (1), an SMA body (2), and an SMA plug (3). The SMA body (2) includes a disc portion (21) and a threaded portion (22) that is coaxially connected to the disc portion (21) and integrally injection molded. The SMA body (2) has a cylindrical groove (23) with an opening on the end face of the disc portion (21). The threaded portion (22) has a cable hole (24) at the center of its end, and the cable hole (24) communicates with the cylindrical groove (23). The SMA plug (3) is located inside the cylindrical groove (23), and the end of the SMA plug (3) passes through the cable hole (24) and is connected to the micro-coaxial cable (1).

2. The micro-coaxial cable assembly as described in claim 1, characterized in that, The diameter of the disc portion (21) is larger than the diameter of the threaded portion (22).

3. The micro-coaxial cable assembly as described in claim 1, characterized in that, The diameter of the cable hole (24) is smaller than the diameter of the cylindrical groove (23).

4. The micro-coaxial cable assembly as described in claim 1, characterized in that, Also includes: Dust cap (4), first sealing washer (5), second sealing washer (6) and nut (7); the dust cap (4) is disposed at the end of the SMA rear plug (3), the first sealing washer (5) and the second sealing washer (6) are respectively disposed at both ends of the disc portion (21), and the nut (7) is disposed on one side of the second sealing washer (6) and threadedly connected to the threaded portion (22).

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