Low-dwarfing radio frequency coaxial connector

By designing low-short RF coaxial connectors with L-shaped dielectric bodies and curved inner conductor structures, the problem of large space occupancy of the RF connector is solved, and the connector is miniaturized and sealed.

CN223181467UActive Publication Date: 2025-08-01SHANGHAI JINXUANWEI AEROSPACE TECHNOLOGY CO LTD +1
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Patent Information

Application Number
CN202422393263.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2025-08-01
Estimated Expiration
2034-09-30

AI Technical Summary

Technical Problem

Existing RF connectors take up a lot of space during the installation process between modules, resulting in low space utilization and difficult to meet the needs of miniaturization and low cost.

Method used

A low-short RF coaxial connector is designed, adopting an L-shaped dielectric body and a curved inner conductor structure, combining a welding cup and a sealing ring to achieve low-shortness and miniaturization of the connector and improve sealing.

Benefits of technology

It effectively reduces the overall height and volume of the connector, improves space utilization, and enhances the sealing and reliability of the connector.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a low-dwarf radio frequency coaxial connector comprising an outer conductor which comprises a first structure part and a second structure part which are integrally formed, the bottom of the first structure part is provided with a first interface, the side end of the second structure part is provided with a second interface, and the first interface is connected with the second interface; the first connector and the second connector are communicated with each other to form an L-shaped hollow channel. The medium body is arranged in the hollow channel, the medium body comprises a first medium part arranged in the first connector and a second medium part arranged in the second connector, a through hole is formed in the center of the medium body, and one end of the medium body is arranged to be an inclined plane; the inclined surfaces of the first medium part and the second medium part are attached to each other, so that the two groups of through holes form an L-shaped accommodating hole cavity; and the inner conductor is arranged in the accommodating hole cavity in a bending manner. According to the mode, the inner conductor is bent and arranged in the medium body, and the medium body is arranged in the outer conductor, so that the overall height of the connector is reduced, and the connector is low and small.
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Description

Technical Field

[0001] The utility model relates to the technical field of electrical connectors, and particularly relates to a low-profile radio frequency coaxial connector. Background Art

[0002] Radio frequency connectors are widely used in the interconnection between power dividers and power dividers, radio frequency modules and radio frequency modules, and circuit boards and radio frequency modules. With the development of communication technologies, in the field of electronic communication, miniaturization and low cost are becoming increasingly important, which has promoted the increasing modularization of electronic communication products.

[0003] Currently, the connectors used between modules mainly adopt hard blind plug connection methods or axial single-floating plug-and-play methods. Especially in radio frequency systems, it is required to install several or even dozens of radio frequency coaxial connectors and achieve this under the same panel. Therefore, the large-sized connectors result in a large occupied space and low space utilization rate. Summary of the Utility Model

[0004] To solve the above problems, the utility model proposes a space-saving miniaturized radio frequency connector.

[0005] The main content of the utility model includes: an outer conductor, which includes an integrally formed first structural part and a second structural part. The second structural part is provided on the first structural part. A first interface is opened at the bottom of the first structural part, and a second interface is opened at the side end of the second structural part. The first interface and the second interface are mutually communicated to form an L-shaped hollow channel;

[0006] A dielectric body is placed in the hollow channel. The dielectric body includes a first dielectric part placed in the first interface and a second dielectric part placed in the second interface. The first dielectric part and the second dielectric part have the same structure, with a through hole in the center and one end set as an inclined surface. The inclined surfaces of the first dielectric part and the second dielectric part are mutually attached so that the two groups of through holes form an L-shaped accommodation cavity;

[0007] An inner conductor is bent and placed in the accommodation cavity, and both ends of the inner conductor have jacks.

[0008] Preferably, the outer conductor further includes a third structural part. The third structural part is provided on one side of the second structural part. The third structural part has an accommodation cavity, and the accommodation cavity is coaxially arranged with and mutually communicated with the second interface.

[0009] Preferably, a soldering cup is arranged in the accommodation cavity, and a bushing is arranged between the soldering cup and the inner wall of the third structural part.

[0010] Preferably, a third dielectric body is provided between the second dielectric portion and the solder cup. A central hole is provided in the third dielectric body corresponding to the position of the through hole, and the central hole is coaxially arranged with the jack.

[0011] Preferably, a second accommodation groove is circumferentially formed along the inner wall at one end of the third structural portion away from the second structural portion, and the second accommodation groove is used for accommodating a second sealing ring.

[0012] Preferably, a first accommodation groove is formed on the lower end surface of the first structural portion, and the first accommodation groove is correspondingly formed in the circumference of the first interface. The first accommodation groove is used for accommodating a first sealing ring.

[0013] Preferably, avoidance grooves are formed at one ends of the first dielectric portion and the second dielectric portion corresponding to the inclined surface, and the avoidance grooves are correspondingly located on the inner wall of the end of the through hole.

[0014] Preferably, a plurality of flange holes are correspondingly formed on the outer conductor for the assembly of the RF connector.

[0015] The beneficial effects of the present utility model are as follows: In this application, the dielectric body includes a first dielectric portion and a second dielectric portion in an L-shaped structure, and the dielectric body is placed inside the outer conductor, and the inner conductor is bent and placed inside the dielectric body, effectively reducing the overall height and volume of the coaxial connector, realizing the low-profile and miniaturization of the connector;

[0016] A solder cup and a bushing are provided at one end of the outer conductor of the connector. Glue is poured into the placement cavity of the third structural portion, and then a sealing ring is assembled in the second placement groove, which can effectively improve the overall sealing performance of the connector. Description of the Drawings

[0017] Figure 1 It is a schematic cross-sectional structure diagram of a preferred embodiment;

[0018] Figure 2 It is a schematic three-dimensional structure diagram of the outer conductor of a preferred embodiment;

[0019] Figure 3 It is a schematic three-dimensional structure diagram of the first dielectric portion of a preferred embodiment;

[0020] Reference Numerals:

[0021] 1. Outer conductor; 11. First structural part; 12. Second structural part; 13. Third structural part; 14. First interface; 15. Second interface; 16. Placement cavity; 17. Solder cup; 18. Bushing; 19. Flange hole; 2. Dielectric body; 21. First dielectric part; 22. Second dielectric part; 23. Through hole; 24. Inclined surface; 25. Avoidance groove; 26. Third dielectric part; 261. Central hole; 3. Inner conductor; 31. Jack; 4. First accommodation groove; 5. First sealing ring; 6. Second accommodation groove. Detailed implementation mode

[0022] The following specifically describes the technical solution protected by the present utility model in conjunction with the accompanying drawings.

[0023] As Figure 1 shown, the present application proposes a low-profile RF coaxial connector, which includes an outer conductor 1, a dielectric body 2 is disposed inside the outer conductor 1, and an inner conductor 3 is disposed inside the dielectric body 2.

[0024] As Figure 1 and 2 shown, the outer conductor 1 includes a first structural part 11 and a second structural part 12 formed integrally, the second structural part 12 is disposed on the first structural part 11, a first interface 14 is opened on the lower end surface of the first structural part 11, a second interface 15 is opened on the side end surface of the second structural part 12, and the first interface 14 and the second interface 15 communicate with each other to form an L-shaped hollow channel, and the dielectric body 2 is placed in the hollow channel.

[0025] As Figures 1-3 shown, the dielectric body 2 includes a first dielectric part 21 and a second dielectric part 22, the first dielectric part 21 and the second dielectric part 22 have the same structure, a through hole 23 is provided in the center thereof and one end is provided with an inclined surface 24, wherein the first dielectric part 21 is correspondingly placed in the first interface 14, the second dielectric part 22 is correspondingly placed in the second interface 15, and the inclined surfaces of the first dielectric part 21 and the second dielectric part 22 are arranged in a mutually attached manner, so that the first dielectric part 21 and the second dielectric part 22 form an L-shaped dielectric body 2, which is adaptively disposed in the hollow channel. The through hole 23 of the first dielectric part 21 and the through hole of the second dielectric part communicate with each other to form an L-shaped accommodation hole cavity.

[0026] As Figure 1 shown, the inner conductor 3 is bent and placed in the accommodation hole cavity, and both ends of the inner conductor 3 have jacks 31. The cable is correspondingly inserted into the jacks 31, which can realize the quick insertion and disassembly of the connector, is convenient for disassembly and assembly, and improves the use convenience of the connector.

[0027] As Figures 1-3As shown, preferably, at one end of the first dielectric portion 21 and the second dielectric portion 22 having the inclined surface 24, a relief groove 25 is provided at the inner wall of the through hole. When the first dielectric portion 21 and the second dielectric portion 22 are combined into an L-shaped structure, the two relief grooves 25 form a relief space at the bending portion, so that the inner conductor 3 can be bent and arranged in the accommodation cavity, and the dielectric body 2 will not interfere with the inner conductor 3. The inner conductor 3 is bent and arranged in the dielectric body 2, and the dielectric body 2 is arranged in the outer conductor 1 in an L-shaped structure, reducing the height of the overall connector in the vertical direction, effectively reducing its overall volume, realizing the low-profile and miniaturization of the connector, and saving the overall space.

[0028] As Figures 1-2 shown, the outer conductor 1 further includes a third structural portion 13, and the third structural portion 13 is correspondingly arranged on one side of the second structural portion 12 where the second interface 15 is correspondingly opened. Preferably, the first structural portion 11, the second structural portion 12, and the third structural portion 13 are integrally formed, effectively improving the overall strength of the outer conductor 1. The third structural portion 13 has an accommodation cavity 16, and the accommodation cavity 16 is coaxially arranged and communicated with the second interface 15. A welding cup 17 is welded in the accommodation cavity 16, and a bushing 18 is press-fitted between the inner wall of the welding cup 17 and the third structural portion 13. A third dielectric portion 26 is arranged between the second dielectric portion 22 and the welding cup 17, and a central hole 261 is opened at the position corresponding to the jack 31 of the third dielectric portion 26, and the central hole 261 is coaxially arranged with the jack 31.

[0029] As Figures 1-2 shown, preferably, a first accommodation groove 4 is opened on the lower end surface of the first structural portion 11, and the first accommodation groove 4 is correspondingly opened in the circumferential direction of the first interface 14. The first accommodation groove 4 is used to accommodate the first sealing ring 5. The first sealing ring 5 is correspondingly placed in the first accommodation groove 4 to achieve the sealing performance when the connectors are assembled with each other.

[0030] As Figures 1-2 shown, preferably, a second accommodation groove 6 is opened along the inner wall circumference at one end of the third structural portion 13 away from the second structural portion 12. The second accommodation groove 6 is used to accommodate the second sealing ring. Glue is poured into the accommodation cavity 16 of the third structural portion 13, and then the second sealing ring is installed in the second accommodation groove 6, effectively improving the sealing performance of the connector.

[0031] As Figure 2 shown, preferably, a plurality of flange holes 19 are opened on the outer conductor 1. The connector is fixedly connected to other power divider modules, connector modules, etc. through the flange holes 19 to ensure proper fitting and improve the connection reliability.

[0032] The above are only embodiments of the present utility model, and thus do not limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall similarly be included within the patent protection scope of the present utility model.

Claims

1. A low-profile RF coaxial connector, characterized in that, Mainly including: An outer conductor, which includes an integrally formed first structural part and a second structural part. The second structural part is disposed on the first structural part. A first interface is opened at the bottom of the first structural part, and a second interface is opened at the side end of the second structural part. The first interface and the second interface are communicated with each other to form an L-shaped hollow channel; A dielectric body, which is placed in the hollow channel. The dielectric body includes a first dielectric part placed in the first interface and a second dielectric part placed in the second interface. The first dielectric part and the second dielectric part have the same structure, with a through hole in the center and one end set as an inclined surface. The inclined surfaces of the first dielectric part and the second dielectric part are mutually attached so that the two through holes are communicated with each other to form an L-shaped accommodation hole cavity; An inner conductor, which is bent and placed in the accommodation hole cavity, and both ends of the inner conductor have jacks.

2. The low-profile radio frequency coaxial connector according to claim 1, characterized in that The outer conductor further includes a third structural part, which is disposed on one side of the second structural part. The third structural part has an accommodation cavity, and the accommodation cavity is coaxially arranged with and communicated with the second interface.

3. The low-profile radio frequency coaxial connector according to claim 2, characterized in that A solder cup is arranged in the accommodation cavity, and a bushing is arranged between the solder cup and the inner wall of the third structural part.

4. The low-profile radio frequency coaxial connector according to claim 3, characterized in that A third dielectric body is arranged between the second dielectric part and the solder cup. A central hole is opened at the position of the third dielectric body corresponding to the through hole, and the central hole is coaxially arranged with the jack.

5. The low-profile radio frequency coaxial connector according to claim 2, characterized in that A second accommodation groove is opened along the inner wall circumference at one end of the third structural part away from the second structural part, and the second accommodation groove is used for accommodating a second sealing ring.

6. The low-profile radio frequency coaxial connector according to claim 1, characterized in that A first accommodation groove is opened on the lower end surface of the first structural part, and the first accommodation groove is correspondingly opened in the circumference of the first interface. The first accommodation groove is used for accommodating a first sealing ring.

7. The low-profile radio frequency coaxial connector according to claim 1, characterized in that Avoidance grooves are opened at one end of the first dielectric part and the second dielectric part corresponding to the inclined surface, and the avoidance grooves are correspondingly located on the inner wall of the end of the through hole.

8. The low-profile radio frequency coaxial connector according to claim 1, characterized in that A plurality of flange holes are correspondingly opened on the outer conductor.