A fastening type radio frequency coaxial connector
Patent Information
- Application Number
- CN202522172734.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-14
- Publication Date
- 2026-09-04
- Estimated Expiration
- 2035-10-14
AI Technical Summary
[0003]本实用新型的目的是提供一种紧固型射频同轴连接器，用以解决现有的射频同轴连接器连接端的连接稳定性较差的缺陷
本实用新型，通过设置安装结构，通过固定筒和贯穿槽之间辅助配合，可以转动手柄的同时带动圆环进行转动，从而使得弹簧块沿着滑轨的轨迹进行滑动，并通过延伸槽收缩至固定筒的内部，可以增加同轴连接器和连接件之间的连接稳定性，避免导致连接端接触压力下降，引发中心导体接触不良的现象出现，保障了信号传输的稳定性。
Smart Images
Figure CN224721312U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of radio frequency coaxial connector technology, and in particular to a fastening type radio frequency coaxial connector. Background Technology
[0002] Radio frequency coaxial connectors, or RF connectors for short, are electrical connectors specifically designed for transmitting radio frequency signals. They are widely used in various electronic systems that require stable transmission of high-frequency signals. Existing RF coaxial connectors are prone to loosening of the locking mechanism under long-term insertion / removal or vibration conditions, which leads to a decrease in contact pressure at the connection end, poor contact of the center conductor, and consequently, signal transmission interruption or increased insertion loss. Utility Model Content
[0003] The purpose of this invention is to provide a fastening type RF coaxial connector to solve the problem of poor connection stability at the connection end of existing RF coaxial connectors.
[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a fastening type radio frequency coaxial connector, including a connector structure; Mounting structure: The mounting structure is coaxially mounted to one end of the connector structure; Connector structure: The connector structure includes a center conductor, a fixing tube, and a connecting tube; The fixed tube is fixedly connected to one end of the central conductor, and the connecting tube is fixedly connected to the other end of the fixed tube; Installation structure: The installation structure includes a fixed cylinder, a through groove, a slide rail, a spring block, and an extension groove; The fixed cylinder is fixedly connected to one end of the fixed tube, the through groove is opened at the top of the fixed cylinder, the slide rail is fixedly connected to the inside of the fixed cylinder, the spring block is slidably connected to the inside of the slide rail, and the extension groove is opened on the outside of the fixed cylinder.
[0005] Preferably, the mounting structure further includes a protrusion, a ring, a guide groove, and a handle; The protrusion is fixedly connected to one end of the spring block, the ring is rotatably connected to the inside of the fixed cylinder, the guide groove is opened inside the ring, and the handle is fixedly connected to one side of the ring.
[0006] Preferably, the protrusion is disposed inside the guide groove, and the handle is disposed outside the fixed cylinder through the through groove.
[0007] Preferably, the spring block is disposed through the inside of the extension groove, and the guide groove is equally spaced inside the ring with the center of the ring as the center.
[0008] Preferably, the connector structure further includes a nut; The nut is threaded onto the outside of the fixing tube.
[0009] Preferably, it also includes an adjustment structure; The adjustment structure includes an auxiliary tube, a slider, a slide groove, and a limiting groove; The auxiliary tube is sleeved on the outside of the connecting tube, the slider is fixedly connected to the inside of the auxiliary tube, the sliding groove is opened on the outside of the connecting tube, and the limiting groove is located on one side of the sliding groove and opened on the outside of the connecting tube.
[0010] Preferably, the adjustment structure further includes bolts, threaded grooves, and sealing rings; The bolt is inserted into the inside of the slider, the threaded groove is opened on the inner side of the limiting groove, and the sealing ring is fixedly connected to the connecting end of the connecting pipe.
[0011] The fastening type radio frequency coaxial connector provided by this utility model has the following advantages: This utility model, through the installation structure and the auxiliary cooperation between the fixed cylinder and the through groove, allows the ring to rotate while the handle is turned, thereby causing the spring block to slide along the track of the slide rail. It also retracts into the interior of the fixed cylinder through the extension groove, which can increase the connection stability between the coaxial connector and the connecting parts, avoid the phenomenon of poor contact of the center conductor caused by the decrease of contact pressure at the connection end, and ensure the stability of signal transmission.
[0012] Based on the above-mentioned beneficial effects, an adjustment structure is provided. Through the auxiliary cooperation between the auxiliary tube and the slider, the auxiliary tube can be rotated counterclockwise while the slider slides along the trajectory of the limiting groove into the interior of the groove. At the same time, the auxiliary tube can be translated to adjust the position of the auxiliary tube. The connection length of the connecting tube can be adjusted according to the actual use requirements. Attached Figure Description
[0013] Figure 1 This is an axonometric view of the present invention; Figure 2 This is a schematic diagram showing the disassembled parts of the mounting structure of this utility model; Figure 3 This is another isometric view of the present invention; Figure 4 This is a three-dimensional sectional view of the auxiliary tube of this utility model; Figure 5 This is a schematic diagram showing the disassembled parts of the adjustment structure of this utility model.
[0014] Explanation of the reference numerals in the figure: 11. Center conductor; 12. Fixing tube; 13. Connecting tube; 14. Nut; 21. Fixed cylinder; 22. Through groove; 23. Slide rail; 24. Spring block; 25. Extension groove; 26. Protrusion; 27. Ring; 28. Guide groove; 29. Handle; 31. Auxiliary tube; 32. Slider; 33. Slide groove; 34. Limiting groove; 35. Bolt; 36. Threaded groove; 37. Sealing ring. Detailed Implementation
[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0016] Please see Figures 1-5 The present invention provides a fastening type radio frequency coaxial connector, including a connector structure; Mounting structure: The mounting structure is coaxially mounted to one end of the connector structure; Connector structure: The connector structure includes a center conductor 11, a fixing tube 12, and a connecting tube 13; The fixed tube 12 is fixedly connected to one end of the central conductor 11, and the connecting tube 13 is fixedly connected to the other end of the fixed tube 12; The connector structure also includes a nut 14; Nut 14 is threaded onto the outside of fixing tube 12; The center conductor 11 is generally made of materials with excellent conductivity such as copper or copper alloys. It is the main transmission channel for radio frequency signals and directly affects the conductivity and loss of signal transmission. The fixing tube 12 is used to realize fast and reliable docking between connectors and ensure mechanical stability and electrical contact performance after connection. Installation structure: The installation structure includes a fixed cylinder 21, a through groove 22, a slide rail 23, a spring block 24, and an extension groove 25; The fixed cylinder 21 is fixedly connected to one end of the fixed tube 12, the through groove 22 is opened at the top of the fixed cylinder 21, the slide rail 23 is fixedly connected to the inside of the fixed cylinder 21, the spring block 24 is slidably connected to the inside of the slide rail 23, and the extension groove 25 is opened on the outside of the fixed cylinder 21. The mounting structure also includes a protrusion 26, a ring 27, a guide groove 28, and a handle 29; The protrusion 26 is fixedly connected to one end of the spring block 24, the ring 27 is rotatably connected to the inside of the fixed cylinder 21, the guide groove 28 is opened inside the ring 27, and the handle 29 is fixedly connected to one side of the ring 27. The protrusion 26 is disposed inside the guide groove 28, the handle 29 is disposed outside the fixed cylinder 21 through the through groove 22, the spring block 24 is disposed inside the extension groove 25, the guide groove 28 is equally spaced inside the ring 27 with the center of the ring 27 as the center, the fixed cylinder 21 is used to open the through groove 22 and the extension groove 25, the ring 27 is used to open the guide groove 28, and the number of spring blocks 24 is four sets; With the auxiliary cooperation between the fixed cylinder 21 and the through groove 22, the handle 29 can be rotated to drive the ring 27 to rotate, so that the spring block 24 slides along the track of the slide rail 23 and retracts into the interior of the fixed cylinder 21 through the extension groove 25. Working principle: When the operator connects the coaxial connector; First, by rotating the handle 29 through the through slot 22, the handle 29 can drive the ring 27 to rotate. Since the protrusion 26 is installed inside the guide slot 28, the ring 27 can rotate while driving the spring block 24 to slide along the track of the slide rail 23, and retract into the interior of the fixed cylinder 21 through the extension slot 25.
[0017] Next, after threading the connector and the fixing tube 12, the rotation of the handle 29 is released, which allows the four sets of spring blocks 24 to reset under the influence of elastic force, forming a limit on the inner wall of the connector. This step increases the connection stability between the coaxial connector and the connecting parts, avoids a drop in contact pressure at the connection end, and prevents poor contact of the center conductor, thus ensuring the stability of signal transmission.
[0018] Please see Figure 3-5 As shown, this embodiment, based on the above embodiment, also includes: The adjustment structure includes an auxiliary tube 31, a slider 32, a slide groove 33, and a limiting groove 34; The auxiliary tube 31 is sleeved on the outside of the connecting tube 13, the slider 32 is fixedly connected to the inside of the auxiliary tube 31, the slide groove 33 is opened on the outside of the connecting tube 13, and the limiting groove 34 is located on one side of the slide groove 33 and opened on the outside of the connecting tube 13.
[0019] The adjustment structure also includes bolt 35, threaded groove 36, and sealing ring 37; Bolt 35 is inserted into the inside of slider 32, threaded groove 36 is opened on the inside of limiting groove 34, and sealing ring 37 is fixedly connected to the connecting end of connecting pipe 13. The slide groove 33 and the limiting groove 34 are interconnected, and there are multiple sets of limiting grooves 34. The bolt 35 and the threaded groove 36 are threadedly connected. With the auxiliary tube 31 and the slider 32 working together, the auxiliary tube 31 can be rotated counterclockwise while the slider 32 slides along the track of the limiting groove 34 into the inside of the slide groove 33. At the same time, the auxiliary tube 31 can be translated to adjust its position. Working principle: When using a coaxial connector; First, by rotating the auxiliary tube 31 counterclockwise according to actual usage requirements, the slider 32, which is fixedly connected to the inner side of the auxiliary tube 31, can slide along the trajectory of the limiting groove 34 into the interior of the slide groove 33. Next, move the auxiliary tube 31 to a suitable position, and then rotate the auxiliary tube 31 clockwise. This will allow the slider 32 to slide into a suitable set of limiting grooves 34. Insert the bolt 35 into the inside of the slider 32 and thread it into the threaded groove 36 for threaded connection. At the same time, the sealing ring 37 can form a seal at the connection end of the auxiliary tube 31. This step allows for adjustment of the connection length of the connecting pipe 13 according to actual usage requirements.
[0020] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A fastening type radio frequency coaxial connector, comprising a connector structure, characterized in that: Mounting structure: The mounting structure is coaxially mounted to one end of the connector structure; Connector structure: The connector structure includes a center conductor (11), a fixing tube (12), and a connecting tube (13). The fixed tube (12) is fixedly connected to one end of the central conductor (11), and the connecting tube (13) is fixedly connected to the other end of the fixed tube (12); Installation structure: The installation structure includes a fixed cylinder (21), a through groove (22), a slide rail (23), a spring block (24), and an extension groove (25); The fixed cylinder (21) is fixedly connected to one end of the fixed tube (12), the through groove (22) is opened at the top of the fixed cylinder (21), the slide rail (23) is fixedly connected to the inside of the fixed cylinder (21), the spring block (24) is slidably connected to the inside of the slide rail (23), and the extension groove (25) is opened on the outside of the fixed cylinder (21).
2. The fastening type RF coaxial connector according to claim 1, characterized in that, The mounting structure also includes a protrusion (26), a ring (27), a guide groove (28), and a handle (29); The protrusion (26) is fixedly connected to one end of the spring block (24), the ring (27) is rotatably connected to the inside of the fixed cylinder (21), the guide groove (28) is opened inside the ring (27), and the handle (29) is fixedly connected to one side of the ring (27).
3. A fastening-type RF coaxial connector according to claim 2, characterized in that, The protrusion (26) is disposed inside the guide groove (28), and the handle (29) is disposed outside the fixed cylinder (21) through the through groove (22).
4. A fastening-type RF coaxial connector according to claim 2, characterized in that, The spring block (24) is disposed through the inside of the extension groove (25), and the guide groove (28) is equally spaced inside the ring (27) with the center of the ring (27) as the center.
5. A fastening-type RF coaxial connector according to claim 1, characterized in that, The connector structure also includes a nut (14). The nut (14) is threaded onto the outside of the fixing tube (12).
6. A fastening-type RF coaxial connector according to claim 1, characterized in that, It also includes adjusting the structure; The adjustment structure includes an auxiliary tube (31), a slider (32), a slide groove (33), and a limiting groove (34). The auxiliary tube (31) is sleeved on the outside of the connecting tube (13), the slider (32) is fixedly connected to the inside of the auxiliary tube (31), the groove (33) is opened on the outside of the connecting tube (13), and the limiting groove (34) is located on one side of the groove (33) and opened on the outside of the connecting tube (13).
7. A fastening-type RF coaxial connector according to claim 6, characterized in that, The adjustment structure also includes a bolt (35), a threaded groove (36), and a sealing ring (37); The bolt (35) is inserted into the inside of the slider (32), the threaded groove (36) is opened on the inside of the limiting groove (34), and the sealing ring (37) is fixedly connected to the connecting end of the connecting pipe (13).