Mounting structure for coaxial radio frequency lines
The installation structure, which combines bending and support plates, uses bolts and nuts to fix the coaxial radio frequency line, thus solving the misalignment problem caused by welding and ensuring the stability and performance of the antenna.
Patent Information
- Application Number
- CN202521797058.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-22
- Publication Date
- 2026-08-04
- Estimated Expiration
- 2035-08-22
AI Technical Summary
Existing coaxial RF cables suffer from misalignment due to prolonged soldering time and high-temperature melting during installation, which affects impedance.
The design employs a combination of bent and support plates, and uses bolts and nuts to secure the coaxial RF cable to the PCB board, avoiding high-temperature soldering and ensuring the stability of the installation structure.
This effectively avoids the misalignment phenomenon caused by high-temperature welding, ensuring the stability and consistency of antenna performance.
Smart Images

Figure CN224596662U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of antennas, and in particular to a mounting structure for a coaxial radio frequency line. Background Technology
[0002] In existing technologies, coaxial RF cables are typically soldered directly onto the PCB board during installation. Due to the long soldering time of the inner conductor, high-temperature melting occurs, resulting in misalignment of the entire RF cable and affecting its impedance. Utility Model Content
[0003] The purpose of this invention is to provide a mounting structure for a coaxial radio frequency cable to overcome the shortcomings of the prior art.
[0004] To achieve the above objectives, this utility model provides the following technical solution:
[0005] This application discloses an installation structure for a coaxial radio frequency (RF) cable, characterized in that it includes a coaxial RF cable and a PCB board. The front side of the PCB board is provided with a support plate and a bolt. The support plate is provided with a bending plate. One end of the bending plate is fixedly connected to the support plate, and the other end of the bending plate is provided with a first hole. The support plate is provided with a second hole that mates with the first hole. The bolt passes through the first hole and the second hole and extends through the PCB board to the back side of the PCB board. The back side of the PCB board is provided with a nut that mates with the bolt. A space is formed between the support plate and the bending plate, and the coaxial RF cable is disposed within the space.
[0006] Preferably, in the above-described coaxial radio frequency cable mounting structure, one end of the coaxial radio frequency cable has an inner conductor, an insulating layer, and a shielding layer exposed sequentially from front to back and from inside to outside, with the shielding layer disposed within the space.
[0007] Preferably, in the above-mentioned coaxial RF cable mounting structure, at least one pair of slots are provided on the PCB board below the support plate, and a positioning piece that engages with the slots is protruding from the bottom surface of the support plate.
[0008] Preferably, in the above-described coaxial radio frequency cable mounting structure, the bending piece has a notch.
[0009] Preferably, in the above-described coaxial radio frequency cable mounting structure, the bending piece and the support piece are integrally formed.
[0010] Compared with the prior art, the advantages of this utility model are:
[0011] This structure uses a bent piece and a support piece to fix the radio frequency line to the PCB board with the help of bolts and nuts, thereby avoiding the misalignment phenomenon caused by high-temperature soldering and ensuring antenna performance. Attached Figure Description
[0012] To more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the accompanying drawings required in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only some embodiments recorded in the present application. For those of ordinary skill in the art, without creative efforts, other accompanying drawings can be obtained based on these drawings.
[0013] Figure 1 The following shows a three-dimensional view of the installation structure of the coaxial RF cable in a specific embodiment of the present invention. Figure 1 ;
[0014] Figure 2 The following shows a three-dimensional view of the installation structure of the coaxial RF cable in a specific embodiment of the present invention. Figure 2 ;
[0015] Figure 3 The following shows a schematic structural view of the support piece and the bending piece in a specific embodiment of the present invention. Specific Embodiments
[0016] The following will combine the accompanying drawings in the embodiments of the present invention to describe the technical solutions in the embodiments of the present invention in detail. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.
[0017] Refer Figures 1-3 As shown, the installation structure of the coaxial RF cable in this embodiment includes a coaxial RF cable 1 and a PCB 2. On the front of the PCB 2, there are a support piece 3 and a bolt 4. On the support piece 3, there is a bending piece 5. One end of the bending piece 5 is fixedly connected to the support piece 3, and the other end of the bending piece 5 has a first hole 6. The support piece 3 has a second hole 7 that cooperates with the first hole 6. The bolt 4 passes through the first hole 6 and the second hole 7 and extends through the PCB 3 to the back of the PCB board. On the back of the PCB board 3, there is a nut 8 that cooperates with the bolt 4. A space 9 is formed by enclosing between the support piece 3 and the bending piece 5, and the coaxial RF cable 1 is arranged in the space 9.
[0018] Further, one end of the coaxial RF cable 1 is successively exposed with an inner conductor 101, an insulating layer 102, and a shielding layer 103 from front to back and from inside to outside, and the shielding layer 103 is arranged in the space 9.
[0019] Further, at least a pair of card slots 10 are provided on the PCB 1 below the support piece 3, and the bottom surface of the support piece 3 protrudes with a positioning piece 11 that is snap-fitted with the card slots 10, which enables quick positioning of the support piece during installation and is more convenient.
[0020] Furthermore, the bending piece 5 has a notch 12 to reduce costs.
[0021] Furthermore, the bending piece 5 and the support piece 3 are integrally formed.
[0022] In this technical solution, the structure uses a bending piece and a support piece to cooperate, and with the help of bolts and nuts, the radio frequency line is fixed on the PCB board, thereby avoiding the misalignment phenomenon caused by high-temperature soldering and ensuring antenna performance.
[0023] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes the element.
[0024] The above are merely specific embodiments of this application. It should be noted that those skilled in the art can make several improvements and modifications without departing from the principles of this application, and these improvements and modifications should also be considered within the scope of protection of this application.
Claims
1. A mounting structure for a coaxial radio frequency line, characterized by: The device includes a coaxial radio frequency cable and a PCB board. The front side of the PCB board has a support plate and a bolt. The support plate has a bending piece, one end of which is fixedly connected to the support plate. The other end of the bending piece has a first hole. The support plate has a second hole that mates with the first hole. The bolt passes through the first hole and the second hole and extends through the PCB board to the back side of the PCB board. The back side of the PCB board has a nut that mates with the bolt. The support plate and the bending piece surround each other to form a space, and the coaxial radio frequency cable is disposed within the space.
2. A coaxial RF line mounting structure according to claim 1, characterized in that: One end of the coaxial radio frequency line has an inner conductor, an insulating layer, and a shielding layer exposed sequentially from front to back and from inside to outside, with the shielding layer disposed within the space.
3. The mounting structure for a coaxial RF line according to claim 1, characterized by: At least one pair of slots are provided on the PCB board below the support piece, and a positioning piece that engages with the slots is protruding from the bottom surface of the support piece.
4. The mounting structure for a coaxial RF line according to claim 1, characterized by: The bent piece has a notch.
5. The mounting structure for a coaxial RF line according to claim 1, characterized by: The bending sheet and the support sheet are integrally formed.