Novel interface radio frequency coaxial connector

Abstract

The utility model discloses a novel interface radio frequency coaxial connector, and belongs to the technical field of radio frequency connectors. Comprising a plug and a socket, and the plug comprises a first shell and an inner conductor coaxially fixed in the first shell; the socket comprises a second shell, a connecting nut rotationally connected to the second shell and an outer contact pin coaxially fixed in the second shell, the second shell can be inserted into the first shell, and the first shell is in threaded connection with the connecting nut; the inner conductor is symmetrically provided with first open grooves, an inner contact pin is coaxially fixed in the inner conductor, the outer contact pin is provided with an inner socket matched with the inner contact pin, the outer contact pin is symmetrically provided with second open grooves, the inner conductor is integrally provided with a horn mouth, and the technical effects of reliable connection and good anti-seismic performance are achieved.

Description

Technical Field

[0001] The present application relates to the technical field of radio frequency connectors, and more specifically, to a novel interface radio frequency coaxial connector. Background Art

[0002] RF coaxial connector is a kind of RF transmission element used in microwave transmission, which is used between systems and systems, components and components. It mainly plays the role of mechanical connection and is widely used in instrumentation and microwave communication systems. When the existing RF connector is in use, it is easy to cause poor contact between the pin and the inner conductor when vibrating, which eventually leads to poor connection reliability and poor anti-vibration performance. In view of this, we propose a new interface RF coaxial connector. Utility Model Content

[0003] 1. Technical issues to be solved

[0004] The purpose of the present application is to provide a new type of interface radio frequency coaxial connector, which solves the technical problems in the above-mentioned background technology and achieves the technical effects of reliable connection and good shock resistance.

[0005] 2. Technical solution

[0006] The technical solution of the present application provides a novel interface radio frequency coaxial connector, including: a plug and a socket,

[0007] The plug comprises a first housing and an inner conductor coaxially fixed in the first housing;

[0008] The socket comprises a second housing, a connecting nut rotatably connected to the second housing, and an external pin coaxially fixed in the second housing, the second housing can be inserted into the first housing, and the first housing is threadedly connected to the connecting nut;

[0009] The inner conductor is symmetrically provided with a first slot, an inner pin is coaxially fixed inside the inner conductor, the outer pin is provided with an inner socket adapted to the inner pin, the outer pin is symmetrically provided with a second slot, and the inner conductor is integrally formed with a bell mouth.

[0010] By adopting the above technical solution, the second shell is matched to the first shell, and the connecting nut is turned clockwise to be threadedly connected with the first shell, so that the second shell is inserted into the first shell, the outer pin is inserted into the inner conductor, and the inner conductor is tensioned to release the tensioning force through the first slot, and at the same time, the inner pin is inserted into the inner socket to tension the outer pin, and the tensioning force is released through the second slot, ultimately ensuring the reliability of the connection between the outer pin and the inner conductor, and at the same time, the outer pin is inserted through the bell mouth integrally formed on the inner conductor.

[0011] As an optional solution of the technical solution of the present application document, the plug also includes a first insulating medium filled between the first shell and the inner conductor, and the socket also includes a second insulating medium filled between the second shell and the outer pin.

[0012] By adopting the above technical solution, a full dielectric filling interface is realized by filling the first insulating medium and the second insulating medium. Firstly, the sealing of the connection is guaranteed to prevent the entry of water vapor. Secondly, the shock resistance of the plug and the socket after connection can be improved through the buffering of the medium.

[0013] As an optional solution of the technical solution of the present application document, the docking section of the first insulating medium is a slope structure.

[0014] By adopting the above technical solution, the first insulating medium is a columnar structure, and the right end is a slope structure. At the same time, the inner holes of the first insulating medium and the second insulating medium are interference fit, so that the first insulating medium can be inserted into the second insulating medium through the slope end, and the connection reliability between the inner conductor and the outer pin is guaranteed under the extrusion force of the interference fit.

[0015] As an optional solution of the technical solution of the present application document, the outer edges of the second grooves are all provided with rounded corners.

[0016] By adopting the above technical solution, the rounded corner structure of the second slot makes it easier for the inner insertion rod to be inserted into the inner insertion opening.

[0017] 3. Beneficial effects

[0018] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0019] 1. In the present application, a first insulating medium is inserted into a second insulating medium, and under the extrusion force of interference fit, an extrusion force is applied to the inner conductor, an outer pin is inserted into the inner conductor, and the inner conductor is tensioned to release the tensioning force through the first slot, and at the same time, the inner pin is inserted into the inner socket to tension the outer pin, and the tensioning force is released through the second slot. Under the interaction of the tensioning force and the extrusion force, the reliability of the connector is improved, and under the interference fit between the inner holes of the first insulating medium and the second insulating medium, the seismic performance of the plug and the socket after connection is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the cross-sectional structure of a plug of a novel interface radio frequency coaxial connector disclosed in a preferred embodiment of the present application;

[0021] Figure 2 A schematic diagram of the cross-sectional structure of a socket of a novel interface radio frequency coaxial connector disclosed in a preferred embodiment of the present application;

[0022] Figure 3 A schematic diagram of the inner conductor structure of a novel interface radio frequency coaxial connector disclosed in a preferred embodiment of the present application;

[0023] Figure 4 This is a schematic diagram of the external pin structure of a novel interface radio frequency coaxial connector disclosed in a preferred embodiment of the present application;

[0024] Explanation of the reference numerals in the figure: 1, plug; 101, first shell; 2, inner conductor; 201, first slot; 202, inner pin; 203, bell mouth; 3, first insulating medium;

[0025] 4. Connecting nut; 401. Second housing; 5. Second insulating medium; 6. External pin; 601. Internal socket; 602. Second slot; DETAILED DESCRIPTION

[0026] The present application is further described in detail below in conjunction with the accompanying drawings.

[0027] A novel interface radio frequency coaxial connector comprises: a plug 1 and a socket, wherein the plug 1 comprises a first housing 101 and an inner conductor 2 coaxially fixed in the first housing 101;

[0028] The socket comprises a second housing 401, a connecting nut 4 rotatably connected to the second housing 401, and an external pin 6 coaxially fixed in the second housing 401. The second housing 401 can be inserted into the first housing 101, and the first housing 101 is threadedly connected to the connecting nut 4.

[0029] The inner conductor 2 is symmetrically provided with a first slot 201 , an inner pin 202 is coaxially fixed inside the inner conductor 2 , the outer pin 6 is provided with an inner socket 601 adapted to the inner pin 202 , the outer pin 6 is symmetrically provided with a second slot 602 , and the inner conductor 2 is integrally formed with a bell mouth 203 .

[0030] Reference Figure 1-Figure 4 , place the second shell 401 corresponding to the first shell 101, rotate the connecting nut 4 clockwise to thread the first shell 101, so that the second shell 401 is inserted into the first shell 101, the outer pin 6 is inserted into the inner conductor 2, and the inner conductor 2 is tensioned to release the tensioning force through the first slot 201, and the inner pin 202 is inserted into the inner socket 601 to tension the outer pin 6, and the tensioning force is released through the second slot 602, finally ensuring the reliability of the connection between the outer pin 6 and the inner conductor 2, and at the same time, the outer pin 6 is inserted through the bell mouth 203 integrally formed with the inner conductor 2.

[0031] The plug 1 further includes a first insulating medium 3 filled between the first shell 101 and the inner conductor 2 , and the socket further includes a second insulating medium 5 filled between the second shell 401 and the outer pin 6 .

[0032] Reference Figure 1 and Figure 2 By filling the first insulating medium 3 and the second insulating medium 5, a full dielectric filling interface is realized. Firstly, the sealing of the connection is guaranteed to prevent the entry of water vapor. Secondly, the buffering of the medium can improve the seismic performance of the plug 1 and the socket after connection.

[0033] The butting section of the first insulating medium 3 is a slope structure.

[0034] Reference Figure 1 The first insulating medium 3 is a columnar structure, and the right end is a slope structure. At the same time, the first insulating medium 3 and the inner hole of the second insulating medium 5 are interference fit, so that the first insulating medium 3 can be inserted into the second insulating medium 5 through the slope end, and under the extrusion force of the interference fit, the connection reliability between the inner conductor 2 and the outer pin 6 is guaranteed.

[0035] The outer edges of the second slots 602 are all rounded.

[0036] Reference Figure 4 The rounded corner structure of the second slot 602 facilitates the insertion of the inner rod into the inner socket 601 .

[0037] Working principle: The second shell 401 corresponds to the first shell 101, and the connecting nut 4 is turned clockwise to be threadedly connected with the first shell 101, so that the second shell 401 is inserted into the first shell 101, the outer pin 6 is inserted into the inner conductor 2, the inner pin 202 is inserted into the inner socket 601, and the first insulating medium 3 is inserted into the second insulating medium 5. Under the extrusion force of the interference fit, a force is applied to the inner conductor 2. The outer pin 6 is inserted into the inner conductor 2 and tensions the inner conductor 2 to release the tensioning force through the first slot 201. At the same time, the inner pin 202 is inserted into the inner socket 601 to tension the outer pin 6 and release the tensioning force through the second slot 602. Under the interaction of the tensioning force and the extrusion force, the reliability of the connector is improved. Under the interference fit between the inner holes of the first insulating medium 3 and the second insulating medium 5, the seismic resistance of the plug 1 and the socket after connection is improved.

Claims

1. A novel interface radio frequency coaxial connector, comprising: A plug (1) and a socket, characterized in that: The plug (1) comprises a first shell (101) and an inner conductor (2) coaxially fixed in the first shell (101); The socket comprises a second shell (401), a connecting nut (4) rotatably connected to the second shell (401), and an external pin (6) coaxially fixed in the second shell (401); the second shell (401) can be inserted into the first shell (101); the first shell (101) is threadedly connected to the connecting nut (4); The inner conductor (2) is symmetrically provided with a first slot (201), an inner pin (202) is coaxially fixed inside the inner conductor (2), the outer pin (6) is provided with an inner plug opening (601) adapted to the inner pin (202), the outer pin (6) is symmetrically provided with a second slot (602), and the inner conductor (2) is integrally formed with a bell mouth (203).

2. A novel interface radio frequency coaxial connector according to claim 1, characterized in that: The plug (1) further comprises a first insulating medium (3) filled between the first shell (101) and the inner conductor (2), and the socket further comprises a second insulating medium (5) filled between the second shell (401) and the outer pin (6).

3. A novel interface radio frequency coaxial connector according to claim 2, characterized in that: The butt joint section of the first insulating medium (3) is a slope structure.

4. The novel interface radio frequency coaxial connector according to claim 1, characterized in that: The outer edges of the second slots (602) are all provided with rounded corners.

Images