High-precision self-centering radio frequency coaxial connector

The RF coaxial connector, which uses a combination of guide posts, sliding rings, and sliding balls, solves the problem of RF coaxial connectors being unable to quickly and accurately align in special environments, achieving high-precision connection and stability.

CN224110581UActive Publication Date: 2026-04-10DANYANG TIANDI ELECTRONICS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DANYANG TIANDI ELECTRONICS CO LTD
Filing Date
2025-05-13
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing RF coaxial connectors cannot achieve rapid and accurate docking in special environments, affecting work efficiency.

Method used

The connector employs a combination structure of guide posts, sliding rings, spherical sleeves, sliding balls, and inner conical sleeves. It achieves rapid docking and stable positioning through limiting and rotating snap-fit, ensuring high-precision installation of the connector in different environments.

Benefits of technology

It improves the alignment and installation accuracy of the connectors, ensuring stable connection in different environments and adaptability to long-term operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high-precision self-centering radio frequency coaxial connector, and belongs to the technical field of radio frequency connectors. The high-precision self-centering radio frequency coaxial connector comprises a connector joint and a connector plug, a plurality of spherical sleeves are arranged around the outside of a sliding ring, sliding balls are arranged inside the spherical sleeves, an inner conical sleeve is arranged inside the connector plug, and a plurality of ball sliding grooves are arranged around the inside of the inner conical sleeve. The radio-frequency coaxial connector solves the problems that an existing radio-frequency coaxial connector is single in structure and cannot conduct accurate butt joint work rapidly in special environments, and working efficiency is affected, the guide column is inserted into the limiting sleeve and limited by the ball sliding grooves in the inner conical sleeve, each sliding ball is subjected to the ball sliding grooves, and therefore the guide column can be fixed to the inner conical sleeve, and the service life of the radio-frequency coaxial connector is prolonged. The inner conductor and the contact pin can be quickly positioned, the alignment effect is improved, the structure is stable, the operation is convenient, the installation work in different environments can be adapted, and the installation precision is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to radio frequency connector technical field, concretely is a kind of high-precision self-centering radio frequency coaxial connector. BACKGROUND

[0002] Radio frequency coaxial connector, also called RF connector, is an important component in radio frequency / microwave signal transmission, which is a connecting device used to connect coaxial transmission lines. It is mainly used to realize the interconnection between devices and modules, and effectively transmit radio frequency and microwave signals. The RF connector is easy to disassemble and replace.

[0003] Chinese patent with publication number CN116667072A discloses a radio frequency coaxial connector double sealing structure, which includes a mounting tube and a sealing tube. A clamping groove is formed around one side of the mounting tube. Circular grooves are formed at both ends of the clamping groove. Shafts are rotatably installed inside the circular grooves. Support plates are fitted on the surfaces of the shafts. Clamping blocks are fixedly installed on one side of the support plates. Limiting springs are fixedly installed at one end of the support plates. This radio frequency coaxial connector double sealing structure can connect the mounting tube and the sealing tube through the positioning plate and the clamping groove. The positioning plate can be limited by the clamping block and the sealing spring. The sealing connection can be achieved. The installation and disassembly are relatively simple. The interface can be fixed by the fixed sheet and the clamping sheet. The interface can be resealed by the circular rod and the threaded rod. The loosening during long-term use is prevented, which affects the transmission of current or signal.

[0004] The radio frequency coaxial connector of the above-mentioned patent has a single structure. In special environments, it cannot quickly and accurately dock, which affects work efficiency. Therefore, it does not meet the existing needs. To solve this problem, we propose a high-precision self-centering radio frequency coaxial connector. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of high-precision self-centering radio frequency coaxial connector, solve the problem that radio frequency coaxial connector in the actual use process in the above background technology, structure single, in special environment, cannot quickly and accurately dock, which affects work efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of high-precision self-centering radio frequency coaxial connector, including connector joint and connector plug, the connector joint is installed at the front end of connector plug, the front end of connector plug is equipped with guide column, the outer portion of guide column is provided with sliding ring;

[0007] The outer part of the sliding ring is surrounded by a plurality of spherical sleeves, the inner part of the spherical sleeves is provided with sliding balls, the inner part of the connector plug is provided with an inner conical sleeve, the inner part of the inner conical sleeve is surrounded by a plurality of ball sliding grooves, and the positions of the ball sliding grooves correspond to the positions of the sliding balls.

[0008] Preferably, the front end of the connector joint is provided with an integrally-formed limiting sleeve, and the limiting sleeve and the inner conical sleeve are provided in an integrally-formed structure.

[0009] Preferably, the inner part of the connector joint is provided with a contact pin, the front end of the guide column is provided with an inner conductor, and the inner conductor is electrically connected with the contact pin.

[0010] Preferably, the two sides of the limiting sleeve are provided with integrally-formed clamping slot openings, the two sides of the outer part of the connector plug are provided with buckles, the buckles are movably connected with the connector plug through spring hinges, and the buckles are embedded in the inner parts of the clamping slot openings and clamped with the clamping slot openings.

[0011] Preferably, the guide column is welded with the connector plug, and the front end of the connector joint and the rear end of the connector plug are provided with wire ends.

[0012] Preferably, the outer surface of the guide column is provided with an integrally-formed straight sliding groove, and the sliding ring is slidably connected through the straight sliding groove.

[0013] Preferably, the inner part of the straight sliding groove is provided with a spring rod, and the two ends of the spring rod are fixedly connected with the sliding ring and the guide column respectively.

[0014] Preferably, the angular position of the spherical sleeve is arranged to be inclined outward, and the sliding ball is embedded in the inner part of the spherical sleeve and rotationally connected with the spherical sleeve.

[0015] Preferably, the guide column is embedded in the inner part of the limiting sleeve and slidably connected with the inner conical sleeve, and the sliding ball is embedded in the inner part of the ball sliding groove and slidably connected with the inner conical sleeve.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. When the connector is used, the connector joint and the connector plug are inserted, the guide column is inserted into the inner part of the limiting sleeve and limited by the ball sliding groove in the inner part of the inner conical sleeve, each sliding ball is limited by the ball sliding groove, the inner conductor and the contact pin are quickly positioned, the sliding balls are arranged in an array to limit the positions of the guide column and the contact pin, the alignment effect is improved, the structure is stable, the operation is convenient, the installation work in different environments can be adapted, and the installation precision is improved.

[0018] 2, the connector of the utility model in the connecting process, through inserting the guide column to the inside of the limiting sleeve, through rotating the connector plug, the connector plug drives the guide column to rotate, the sliding ball rolls in the inner conical sleeve, through the spring hinge pops out the buckle, fast positioning, so that the connector plug will not come out of the connector joint after connecting, and through the spring rod lifts the sliding ring, the sliding ring pushes the sliding ball to limit the guide column in the inner conical sleeve, cooperates the buckle connection, keeps the position of the connector joint and the connector plug stable, to adapt to long-term work, to carry out high-precision connection work. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the front view of the utility model;

[0020] Figure 2 It is the top view of the utility model;

[0021] Figure 3 It is the utility model Figure 2 It is the partial enlarged view of the area A of the utility model;

[0022] Figure 4 It is the side view of the utility model after plugging.

[0023] In the drawing: 1, connector joint; 101, limiting sleeve; 102, inner conical sleeve; 103, contact pin; 104, card slot; 105, ball sliding groove; 2, connector plug; 201, guide column; 202, wire end; 203, buckle; 204, inner conductor; 205, straight sliding slot; 206, spring rod; 3, sliding ring; 301, spherical sleeve; 302, sliding ball. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] In order to solve the problem that the existing radio frequency coaxial connector cannot quickly and accurately butt joint in special environment during actual use, affecting work efficiency, please refer to Figures 1-4 The technical scheme is provided in the embodiment as follows:

[0026] A high-precision self-centering radio frequency coaxial connector, comprising a connector joint 1 and a connector plug 2, the connector joint 1 is installed at the front end of the connector plug 2, the front end of the connector plug 2 is provided with a guide column 201, the outside of the guide column 201 is provided with a sliding ring 3, and the connector is used by inserting the connector joint 1 and the connector plug 2 connected with wires;

[0027] In fact, the outside of the sliding ring 3 is surrounded by a plurality of spherical sleeves 301, the inside of the spherical sleeve 301 is provided with sliding balls 302, the inside of the connector plug 2 is provided with an inner conical sleeve 102, the inside of the inner conical sleeve 102 is surrounded by a plurality of ball sliding grooves 105, the positions of the ball sliding grooves 105 correspond to the positions of the sliding balls 302, the sliding balls 302 are limited in position, the positions of the guide column 201 and the contact pin 103 are positioned, the alignment effect is improved, the structure is stable, operation is facilitated, and installation work in different environments can be adapted.

[0028] Further, the guide column 201 is welded to the connector plug 2, and the front end of the connector joint 1 and the rear end of the connector plug 2 are provided with wire ends 202.

[0029] In addition, the inside of the connector joint 1 is provided with a contact pin 103, the front end of the guide column 201 is provided with an inner conductor 204, the inner conductor 204 is electrically connected with the contact pin 103, the front end of the connector joint 1 is provided with an integrally formed limiting sleeve 101, the limiting sleeve 101 and the inner conical sleeve 102 are provided in an integrally formed structure, the guide column 201 is embedded in the inside of the limiting sleeve 101 and is in sliding connection with the inner conical sleeve 102, the sliding balls 302 are embedded in the inside of the ball sliding grooves 105 and are in sliding connection with the inner conical sleeve 102, the guide column 201 is inserted into the inside of the limiting sleeve 101 and is limited by the ball sliding grooves 105 in the inside of the inner conical sleeve 102, each sliding ball 302 is limited by the ball sliding groove 105, so that the inner conductor 204 and the contact pin 103 can be quickly positioned.

[0030] The high-precision self-centering radio frequency coaxial connector of the embodiment is used by inserting the connector joint 1 and the connector plug 2 connected with wires, the guide column 201 is inserted into the inside of the limiting sleeve 101 and is limited by the ball sliding grooves 105 in the inside of the inner conical sleeve 102, each sliding ball 302 is limited by the ball sliding groove 105, so that the inner conductor 204 and the contact pin 103 can be quickly positioned, the sliding balls 302 are limited in position, the positions of the guide column 201 and the contact pin 103 are positioned, the alignment effect is improved, the structure is stable, operation is facilitated, installation work in different environments can be adapted, and installation precision is improved.

[0031] In order to solve the problem that the existing radio frequency coaxial connector cannot keep the position stable during long-term use in actual use, please refer to Figures 1-4 The embodiment provides the following technical scheme:

[0032] A high-precision self-centering radio frequency coaxial connector, the two sides of the limiting sleeve 101 are provided with integrally formed clamping slot openings 104, the outer two sides of the connector plug 2 are provided with buckles 203, the buckle 203 is movably connected with the connector plug 2 through a spring hinge, and the buckle 203 is embedded in the inside of the clamping slot opening 104 and clamped with the clamping slot opening 104.

[0033] In addition, the outer surface of the guide column 201 is provided with an integrally formed straight sliding groove 205, the sliding ring 3 is slidably connected through the straight sliding groove 205, the inside of the straight sliding groove 205 is provided with a spring rod 206, the two ends of the spring rod 206 are fixedly connected with the sliding ring 3 and the guide column 201 respectively, the sliding ring 3 pushes the sliding ball 302 to limit the guide column 201 in the inner conical sleeve 102, cooperates with the buckle 203 to connect, keeps the position of the connector joint 1 and the connector plug 2 stable, so as to adapt to long-term work, pops out the buckle 203 through the spring hinge, quickly positions, so that the connector plug 2 will not come out of the connector joint 1 after connection, and the sliding ring 3 is lifted up through the spring rod 206, the sliding ring 3 pushes the sliding ball 302 to limit the guide column 201 in the inner conical sleeve 102.

[0034] In fact, the angular position of the spherical sleeve 301 is arranged to be inclined outward, the sliding ball 302 is embedded in the inside of the spherical sleeve 301 and rotationally connected with the spherical sleeve 301, during the connection of the connector, after the guide column 201 is inserted into the inside of the limiting sleeve 101, the connector plug 2 is rotated, the guide column 201 is driven to rotate by the connector plug 2, and the sliding ball 302 rolls in the inner conical sleeve 102.

[0035] The high-precision self-centering radio frequency coaxial connector of the embodiment, during the connection of the connector, after the guide column 201 is inserted into the inside of the limiting sleeve 101, the connector plug 2 is rotated, the guide column 201 is driven to rotate by the connector plug 2, and the sliding ball 302 rolls in the inner conical sleeve 102, the buckle 203 is rotated to the clamping slot opening 104, the buckle 203 is popped out through the spring hinge, quickly positioned, so that the connector plug 2 will not come out of the connector joint 1 after connection, and the sliding ring 3 is lifted up through the spring rod 206, the sliding ring 3 pushes the sliding ball 302 to limit the guide column 201 in the inner conical sleeve 102, cooperates with the buckle 203 to connect, keeps the position of the connector joint 1 and the connector plug 2 stable, so as to adapt to long-term work.

[0036] Working principle: when using, the connector joint 1 and the connector plug 2 are connected, the guide column 201 is inserted into the limiting sleeve 101, and is limited by the ball sliding groove 105 in the inner conical sleeve 102, each sliding ball 302 is limited by the ball sliding groove 105, so that the inner conductor 204 and the contact pin 103 are quickly positioned, and the position of the guide column 201 and the contact pin 103 is limited by the sliding ball 302 around the array, the alignment effect is improved, the structure is stable, the operation is convenient, the installation work in different environments can be adapted, the connector plug 2 is rotated, the guide column 201 is driven by the connector plug 2 to rotate, the sliding ball 302 rolls in the inner conical sleeve 102, the buckle 203 is rotated to the clamping slot 104, the buckle 203 is popped out through the spring hinge, is quickly positioned, so that the connector plug 2 cannot be separated from the connector joint 1 after being connected, and the sliding ring 3 is lifted by the spring rod 206, the sliding ring 3 pushes the sliding ball 302 to limit the guide column 201 in the inner conical sleeve 102, and is connected with the buckle 203, so that the position of the connector joint 1 and the connector plug 2 is stable, so as to adapt to long-term work and high-precision connection work.

[0037] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0038] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and deformations can be made to these embodiments without departing from the principles and spirits of the utility model.

Claims

1. A high-precision self-aligning radio frequency coaxial connector comprising a connector socket (1) and a connector plug (2), characterized in that, The connector joint (1) is installed at the front end of the connector plug (2), the front end of the connector plug (2) is provided with a guide column (201), the outer part of the guide column (201) is provided with a sliding ring (3); The outer part of the sliding ring (3) is surrounded by a plurality of spherical sleeves (301), the inner part of the spherical sleeve (301) is provided with a sliding ball (302), the inner part of the connector plug (2) is provided with an inner conical sleeve (102), the inner part of the inner conical sleeve (102) is surrounded by a plurality of ball sliding grooves (105), the positions of the ball sliding grooves (105) correspond to the positions of the sliding balls (302).

2. A high-precision self-aligning RF coaxial connector according to claim 1, characterized in that: The front end of the connector joint (1) is provided with an integrally formed limiting sleeve (101), and the limiting sleeve (101) and the inner conical sleeve (102) are integrally formed.

3. A high precision self-aligning RF coaxial connector according to claim 1, characterized in that: The inner part of the connector joint (1) is provided with a contact pin (103), the front end of the guide column (201) is provided with an inner conductor (204), and the inner conductor (204) is electrically connected with the contact pin (103).

4. A high precision self-aligning RF coaxial connector according to claim 2, characterized in that: Both sides of the limiting sleeve (101) are provided with integrally formed clamping slots (104), both sides of the outer part of the connector plug (2) are provided with buckles (203), the buckles (203) are movably connected with the connector plug (2) through spring hinges, and the buckles (203) are embedded in the inner parts of the clamping slots (104) and clamped with the clamping slots (104).

5. A high precision self-aligning RF coaxial connector according to claim 1, characterized in that: The guide column (201) is welded with the connector plug (2), and the front end of the connector joint (1) and the rear end of the connector plug (2) are provided with wire ends (202).

6. A high precision self-aligning RF coaxial connector as defined in claim 1, wherein: The outer surface of the guide column (201) is provided with an integrally formed straight sliding groove (205), and the sliding ring (3) is slidably connected through the straight sliding groove (205).

7. A high precision self-centering RF coaxial connector according to claim 6, characterized in that: The inner part of the straight sliding groove (205) is provided with a spring rod (206), and both ends of the spring rod (206) are fixedly connected with the sliding ring (3) and the guide column (201).

8. A high precision self-aligning RF coaxial connector according to claim 7, characterized in that: The angular position of the spherical sleeve (301) is obliquely outward, and the sliding ball (302) is embedded in the inner part of the spherical sleeve (301) and rotatably connected with the spherical sleeve (301).

9. A high precision self-aligning RF coaxial connector as defined in claim 1, wherein: The guide column (201) is embedded in the inner part of the limiting sleeve (101) and slidably connected with the inner conical sleeve (102), and the sliding ball (302) is embedded in the inner part of the ball sliding groove (105) and slidably connected with the inner conical sleeve (102).

Citation Information

Patent Citations

  • Double-sealing structure of radio frequency coaxial connector

    CN116667072A