Insulation connection structure of SMA patch cord and metal casing

By setting positioning holes and hard plastic sheets on the metal casing, and using nuts and locking screws to cooperate, the insulating connection between the SMA adapter wire and the metal casing is achieved, solving the fixation caused by the influence of the conductive material on the protection and the small joint diameter. The problem is not tight, which improves the performance and pass rate of the product, and reduces the defect rate and rework rate.

CN222189809UActive Publication Date: 2024-12-17SHANGHAI MEXON COMM TECH
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Patent Information

Application Number
CN202420666979.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-02
Publication Date
2024-12-17
Estimated Expiration
2034-04-02

AI Technical Summary

Technical Problem

When the existing SMA adapter wire is fixed to a metal casing, the conductive material causes the electrical connection to affect the protection ability, and the small diameter of the joint leads to a poor fixation, which can easily lead to the wiring breakage and increase the defect rate and rework rate.

Method used

Design an insulating connection structure between the SMA adapter wire and the metal casing. By setting positioning holes and hard plastic sheets on the metal casing, using nuts and locking screws to avoid contact between the SMA conversion wire and the metal casing, and Improve joint clamping with polygon nuts and gaskets to ensure insulation and stability.

Benefits of technology

It effectively isolates the clutter interference outside the metal casing, improves the electrostatic protection capability, improves the performance and qualification rate of the product, reduces the volume and production costs of electronic products, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222189809U_ABST
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Abstract

The utility model relates to the technical field of insulation connection, in particular to an insulation connection mode of an SMA patch cord and a metal casing, which comprises a metal casing body, positioning holes, a hard plastic sheet and a locking screw, the left side and the right side of the metal casing body are uniformly provided with the positioning holes, and the hard plastic sheet is provided with the locking screw. The left end of the upper side of the metal casing body is fixedly provided with a hard plastic sheet, the hard plastic sheet and the metal casing body are pressed tightly through a nut, the left end of the metal casing body is fixedly provided with a locking screw, the threaded end of the SMA conversion line penetrates through an installation hole of the hard plastic sheet, the hard plastic sheet is provided with a D-shaped hole, and the D-shaped hole is communicated with the locking screw. The metal casing body is matched with the shape of the thread part of the SMA conversion line to play a role in insulation and prevent the SMA conversion line from rotating, the positioning hole is formed in the upper side of the metal casing body to prevent the metal casing body from being in contact with an SMA head, interference of clutters outside the casing on communication signals can be isolated, interference of clutters outside the metal casing body can be isolated, electrostatic protection capability can be improved, and product performance can be improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of insulation connection, in particular to an insulation connection structure of an SMA adapter wire and a metal casing. Background Art

[0002] In the prior art, the SMA adapter cable is only fixed on the main body of the metal casing. The material of the metal casing itself is conductive. If no treatment is done, there will be a certain electrical connection with the metal casing, which will affect the protection capability of the overall product and reduce the overall performance of the product.

[0003] The existing SMA adapter cables have relatively small connector diameters. Although they have a flat-mouth design, the small diameter results in poor force-bearing properties. This causes workers to not tighten the connector tightly, which in turn causes the adapter cables to break, increasing the defective rate and rework rate of the overall product. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides the following technical solutions: an insulating connection structure of an SMA adapter cable and a metal casing, comprising a metal casing body, positioning holes, a hard plastic sheet and a locking screw, wherein positioning holes are evenly opened on the left and right sides of the metal casing body, a hard plastic sheet is fixedly installed on the upper left end of the metal casing body, the hard plastic sheet and the metal casing body are pressed together by a nut, a locking screw is fixedly installed on the left end of the metal casing body, an SMA conversion cable is detachably installed on the upper side of the hard plastic sheet, a circuit board is threadedly installed on the upper side of the metal casing body, screws are installed at the four corners of the circuit board, the circuit board and the metal casing body are positioned by the screws, a data connection block is detachably installed above the circuit board, and an output module is fixedly installed above the circuit board.

[0005] As an improvement of the above technical solution, the left end of the SMA conversion line passes through the hard plastic sheet and extends to the left side of the hard plastic sheet. The SMA conversion line is fixed on the hard plastic sheet through the SMA's own spring washer and nut. A circular hole with a diameter of 14 mm is opened on the casing body to prevent the SMA body from contacting the metal casing body.

[0006] As an improvement of the above technical solution, a terminal connection plate is fixedly mounted on the upper side of the circuit board, and terminal sockets are evenly opened on the upper side of the terminal connection plate, and the number of the terminal sockets is five.

[0007] As an improvement of the above technical solution, an SD card holder is fixedly mounted on the upper side of the circuit board, and an SD card body is provided inside the SD card holder.

[0008] As an improvement of the above technical solution, a hard disk box is fixedly installed above the circuit board, and a solid state hard disk is detachably installed inside the hard disk box.

[0009] As an improvement of the above technical solution, copper wire columns are evenly installed on the upper side of the circuit board, and a connecting sleeve is fixedly installed above the copper wire columns.

[0010] Beneficial effects of the utility model:

[0011] 1. Through the cooperation of the hard plastic sheet, the locking screw, and the SMA conversion line, the threaded end of the SMA conversion line passes through the mounting hole of the hard plastic sheet. The hard plastic sheet is provided with a D-shaped hole, which matches the shape of the threaded part of the SMA conversion line and plays an insulating role. At the same time, it prevents the SMA conversion line from rotating. A positioning hole is provided on the upper side of the metal casing body to avoid contact with the SMA head, which is conducive to isolating the interference of external clutter on the communication signal of the casing, is conducive to isolating the interference of external clutter on the metal casing body, improving the electrostatic protection capability, and improving the performance of the product.

[0012] 2. By setting a gasket and a nut, the SMA conversion line passes through the gasket, the nut is fastened to the hard plastic sheet, and the hard plastic sheet assembly is then fixed to the metal casing body through the nut. The nut is polygonal, and the polygonal nut of the SMA connector matches, so that the SMA connector and the nut are mutually engaged, thereby improving the qualified rate of the product.

[0013] 3. Set up a terminal connection plate. The terminal connection plate is used to facilitate the connection of wires. It is actually a piece of metal sheet sealed in insulating plastic. There are holes at both ends for insertion. The number and spacing of wires can be selected arbitrarily, making the connection more convenient and faster, greatly reducing the size of electronic products, reducing production costs, and improving production efficiency.

[0014] 4. Set up the SD card holder. The function of the SD card holder is to provide a convenient and reliable connection method, so that we can quickly and accurately read and write data in the SD card. The SD card holder is used to read the internal information of the SD card. Set up the SD card body. The SD card body is an external storage device set up to meet people's personalized storage needs when the storage space is insufficient. It can be used to store data information and also serves as a backup.

[0015] 5. Set up a hard drive box. The function of the hard drive box is to provide physical protection for a hard drive, so that the hard drive can be used like a mobile storage device, which is convenient for data backup, storage and transmission, and realizes the role of a mobile hard drive. A solid-state hard drive is a high-performance, high-stability storage device suitable for various scenarios that require fast data access. Solid-state drives are usually smaller in size, lighter in weight, and have stronger performance than mechanical hard drives.

[0016] 6. Copper wire columns are set up to fix the motherboard and circuit board to the chassis to ensure that no abnormal situations such as breakage will occur during transportation or impact. It also helps to reduce the electromagnetic interference between the circuit board and the motherboard. The copper columns can also keep the circuit board highly stable and neatly arranged, so as to better coordinate the layout of the entire circuit board, avoid mutual interference between circuit boards, and improve the reliability of the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is an overall structural diagram of an insulating connection structure between an SMA adapter cable and a metal housing of the utility model;

[0018] Figure 2 The utility model is an insulating connection structure between an SMA adapter wire and a metal casing. Figure 1 The structural diagram of A in the figure;

[0019] Figure 3 The utility model is an insulating connection structure between an SMA adapter wire and a metal casing. Figure 1 Schematic diagram of the structure of B.

[0020] Figure numerals: 1. Metal casing body; 2. Positioning hole; 3. Hard plastic sheet; 4. Locking screw; 5. SMA conversion line; 6. Gasket; 7. Nut; 8. Circuit board; 9. Terminal connection board; 10. Terminal jack; 11. Data connection block; 12. SD card holder; 13. SD card body; 14. Hard disk box; 15. Solid state hard disk; 16. Copper wire column; 17. Connecting sleeve; 18. Output module. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0022] See also Figure 1-2The utility model provides a technical solution for the insulating connection structure of an SMA adapter cable and a metal casing: an insulating connection structure of an SMA adapter cable and a metal casing, comprising a metal casing body 1, a positioning hole 2, a hard plastic sheet 3 and a locking screw 4, the metal casing body 1 is evenly provided with positioning holes 2 on the left and right sides, a hard plastic sheet 3 is fixedly installed on the upper left end of the metal casing body 1, the hard plastic sheet 3 and the metal casing body 1 are pressed by a nut, a locking screw 4 is fixedly installed on the left end of the metal casing body 1, an SMA conversion line 5 is detachably installed on the upper side of the hard plastic sheet 3, a circuit board 8 is threadedly installed on the upper side of the metal casing body 1, screws are installed at the four corners of the circuit board 8, the circuit board 8 and the metal casing body 1 are positioned by the screws, a data connection block 11 is detachably installed above the circuit board 8, and an output module 18 is fixedly installed above the circuit board 8.

[0023] In the present embodiment, through the mutual cooperation of the hard plastic sheet 3, the locking screw 4, and the SMA conversion line 5, the threaded end of the SMA conversion line 5 passes through the mounting hole of the hard plastic sheet 3, and a D-shaped hole is opened on the hard plastic sheet 3, which matches the shape of the threaded part of the SMA conversion line 5, plays an insulating role, and prevents the SMA conversion line 5 from rotating. A positioning hole 2 is set on the upper side of the metal casing body 1 to avoid contact with the SMA head, which is beneficial to isolating the interference of external clutter on the communication signal of the casing, is beneficial to isolating the interference of external clutter on the metal casing body 1 and improving the electrostatic protection capability, thereby improving the performance of the product.

[0024] Specifically, the left end of the SMA conversion line 5 passes through the hard plastic sheet 3 and extends to the left side of the hard plastic sheet 3. The SMA conversion line 5 is fixed on the hard plastic sheet through the SMA spring washer and nut. A circular hole with a diameter of 14 mm is opened on the casing body to prevent the SMA body from contacting the metal casing body 1.

[0025] In this embodiment, by setting a gasket 6 and a nut 7, the SMA conversion line 5 passes through the gasket 6 and is fastened to the hard plastic sheet 3 by the nut 7. The hard plastic sheet 3 assembly is then fixed to the metal casing body 1 by the nut 7. The nut 7 is a polygon, and the polygonal nut 7 of the SMA connector matches so that the SMA connector and the nut 7 are mutually engaged, thereby improving the qualified rate of the product. The circular hole with a diameter of 14 mm opened on the casing body is to prevent the SMA body from contacting the metal casing body 1.

[0026] Specifically, a terminal connection plate 9 is fixedly mounted on the upper side of the circuit board 8 , and terminal insertion holes 10 are evenly opened on the upper side of the terminal connection plate 9 , and the number of the terminal insertion holes 10 is five.

[0027] In this embodiment, a terminal connection plate 9 is provided. The terminal connection plate 9 is used to facilitate the connection of wires. It is actually a piece of metal sheet sealed in insulating plastic. There are holes at both ends for insertion. The number and spacing of wires can be selected arbitrarily, making the connection more convenient and faster, greatly reducing the volume of electronic products, reducing production costs, and improving production efficiency.

[0028] Specifically, an SD card holder 12 is fixedly mounted on the upper side of the circuit board 8 , and an SD card body 13 is provided inside the SD card holder 12 .

[0029] In this embodiment, an SD card holder 12 is provided. The function of the SD card holder 12 is to provide a convenient and reliable connection method, so that we can quickly and accurately read and write data in the SD card. The operation of reading the internal information of the SD card is realized through the SD card holder 12. An SD card body 13 is provided. The SD card body 13 is an external storage device provided when the storage space is insufficient to meet people's personalized storage needs. It can be used to store data information and also serves as a backup.

[0030] Specifically, a hard disk box 14 is fixedly installed above the circuit board 8, and a solid state hard disk 15 is detachably installed inside the hard disk box 14.

[0031] In this embodiment, a hard disk box 14 is provided. The function of the hard disk box 14 is to provide physical protection for a hard disk, so that the hard disk can be used like a mobile storage device, which is convenient for data backup, storage and transmission, and realizes the function of a mobile hard disk. The solid-state hard disk 15 is a high-performance, high-stability storage device suitable for various scenarios that require fast access to data. The solid-state hard disk 15 is usually smaller in size, lighter in weight, and has stronger performance than a mechanical hard disk.

[0032] Specifically, copper wire columns 16 are evenly installed on the upper side of the circuit board 8 , and a connecting sleeve 17 is fixedly installed above the copper wire columns 16 .

[0033] In this embodiment, copper wire columns 16 are provided, which can fix the main board and the circuit board 8 to the chassis to ensure that abnormal situations such as breakage will not occur during transportation or impact, and also help to reduce the electromagnetic interference between the circuit board 8 and the main board. The copper columns can also keep the circuit board 8 highly stable and neatly arranged, so as to better coordinate the layout of the entire circuit board 8, avoid mutual interference between the circuit boards 8, and improve the reliability of the circuit board 8.

[0034] When in use, first of all, check the device, mainly check whether the components used on the device can be used normally. An insulation design scheme is adopted. The metal casing body 1 is fixed with the circuit board 8. Through the cooperation of the hard plastic sheet 3, the locking screw 4, and the SMA conversion line 5, the threaded end of the SMA conversion line 5 passes through the mounting hole of the hard plastic sheet 3. The hard plastic sheet 3 is provided with a D-shaped hole, which matches the shape of the threaded part of the SMA conversion line 5, plays an insulating role, and prevents the SMA conversion line 5 from rotating. A positioning hole 2 is provided on the upper side of the metal casing body 1 to avoid contact with the SMA head. Such a design is conducive to isolating the interference of external noise of the casing on the communication signal. Signal interference is beneficial to isolate the external clutter interference of the metal casing body 1 and improve the electrostatic protection capability, thereby improving the performance of the product. By setting the gasket 6 and the nut 7, the SMA conversion line 5 is fastened to the hard plastic sheet 3 through the gasket 6 and the nut 7. The hard plastic sheet 3 assembly is then fixed to the metal casing body 1 through the nut 7. The nut 7 is a polygon. The polygonal nut 7 of the SMA connector matches so that the SMA connector and the nut 7 are mutually engaged, which effectively prevents shaft rotation. The insulation of the metal casing body 1 and the SMA conversion line 5 is achieved through the cooperation and isolation of the gasket 6. The gasket 6 is made of nylon, which has high hardness and good insulation, thereby improving the qualified rate of the product.

[0035] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.

Claims

1. An insulated connection structure between an SMA adapter cable and a metal housing, comprising a metal housing body (1), a positioning hole (2), a hard plastic sheet (3) and a locking screw (4), characterized in that: Positioning holes (2) are evenly provided on the left and right sides of the metal casing body (1); a hard plastic sheet (3) is fixedly installed on the upper left end of the metal casing body (1); the hard plastic sheet (3) and the metal casing body (1) are pressed together by a nut; a locking screw (4) is fixedly installed on the left end of the metal casing body (1); an SMA conversion line (5) is detachably installed on the upper side of the hard plastic sheet (3); a circuit board (8) is threadedly installed on the upper side of the metal casing body (1); screws are installed at the four corners of the circuit board (8); the circuit board (8) and the metal casing body (1) are positioned by means of screws; a data connection block (11) is detachably installed above the circuit board (8); and an output module (18) is fixedly installed above the circuit board (8).

2. The insulated connection structure between an SMA adapter cable and a metal housing according to claim 1, characterized in that: The left end of the SMA conversion line (5) passes through the hard plastic sheet (3) and extends to the left side of the hard plastic sheet (3). The SMA conversion line (5) is fixed on the hard plastic sheet through the SMA spring washer and nut. A circular hole with a diameter of 14 mm is opened on the casing body to prevent the SMA body from contacting the metal casing body (1).

3. The insulated connection structure between an SMA adapter cable and a metal housing according to claim 1, characterized in that: A terminal connection plate (9) is fixedly mounted on the upper side of the circuit board (8), and terminal insertion holes (10) are evenly arranged on the upper side of the terminal connection plate (9), and the number of the terminal insertion holes (10) is five.

4. The insulated connection structure between an SMA adapter cable and a metal housing according to claim 1, characterized in that: An SD card holder (12) is fixedly mounted on the upper side of the circuit board (8), and an SD card body (13) is provided inside the SD card holder (12).

5. The insulated connection structure between an SMA adapter cable and a metal housing according to claim 1, characterized in that: A hard disk box (14) is fixedly mounted above the circuit board (8), and a solid state hard disk (15) is detachably mounted inside the hard disk box (14).

6. The insulated connection structure between an SMA adapter cable and a metal housing according to claim 1, characterized in that: Copper wire columns (16) are evenly installed on the upper side of the circuit board (8), and a connecting sleeve (17) is fixedly installed above the copper wire columns (16).