CN102176553B - Radio frequency connector - Google Patents

Abstract

The invention discloses a radio frequency connector, comprising: a first connecting part, a second connecting part and a printed circuit board PCB; the first connecting part comprises an input/output (I/O) connector and a first buckling device connected with the I/O connector; the second connecting part is arranged on the printed circuit board and comprises a second buckling device; a slot is formed in the printed circuit board corresponding to the second buckle device of the second connecting part; the first buckle device of the first connecting part is clamped into the second buckle device of the second connecting part from the groove of the printed circuit board. The radio frequency connector disclosed by the embodiment of the invention is divided into two connecting parts which are respectively fixed on the module structural part and the printed circuit board PCB, and the two parts are connected by moving the second buckle device, so that the connecting mode is simplified, and the connecting efficiency is improved.

Description

A radio frequency connector

technical field

The invention relates to the technical field of communication equipment, in particular to a radio frequency connector.

Background technique

As a kind of electromechanical components, radio frequency connectors are widely used in communication equipment, including thread locking type and screw-in locking type. The interface standards include: N type, BNC type, TNC type, DIN 7/16 type, etc. RF connectors are usually used as input and output I/O connectors of communication modules due to their reliable connection, good electrical performance, and robust mechanical structure.

When it is used as an I/O connector, the outer conductor of the connector is generally fixed on the module structure by screwing the flange, and the center pin of the inner conductor is connected to the printed circuit board PCB inside the communication module for signal transmission .

In the prior art, the inner conductor and the PCB are welded with a microstrip line, and the center pin of the connector is directly welded to the microstrip line of the PCB through solder paste, so as to realize signal transmission. However, this welding connection method is relatively complicated and the connection efficiency is low.

Contents of the invention

In view of this, the present invention provides a radio frequency connector to solve the problems of complicated connection methods and low efficiency during the connection process of the connector and the PCB board through the microstrip welding technology in the prior art. The specific plan is as follows:

A radio frequency connector, which includes: a first connection part, a second connection part and a printed circuit board PCB; the first connection part includes an input and output I/O connector, a first connection connected to the I/O A buckle device; the second connection part is arranged on the printed circuit board, and the second connection part includes a second buckle device;

A slot is provided on the printed circuit board corresponding to the second buckle device of the second connecting part;

The first locking device of the first connecting part is locked into the second locking device of the second connecting part through the slot of the printed circuit board.

From the above technical solutions, it can be seen that the first connecting part and the second connecting part in the radio frequency connector disclosed in the embodiment of the present invention are connected by mutual locking between the first buckling device and the second buckling device. The connection is realized, the connection method is simplified, and the connection efficiency is improved.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

FIG. 1 is a schematic structural diagram of a radio frequency connector disclosed in an embodiment of the present invention;

Fig. 2 is a schematic structural diagram of a first connecting part disclosed in an embodiment of the present invention;

Fig. 3 is a schematic structural diagram of a second connecting component disclosed in an embodiment of the present invention;

Fig. 4 is a schematic diagram of the installation of the radio frequency connector disclosed in the embodiment of the present invention;

Fig. 5 is a schematic structural diagram of the first buckle device disclosed in the embodiment of the present invention;

Fig. 6 is a schematic diagram of the connection between the first buckle device and the I/O connector disclosed in the embodiment of the present invention;

Fig. 7 is a schematic diagram of the assembly structure of the second connection part disclosed in the present invention;

Fig. 8 is a schematic diagram of the assembled structure of the second connecting part disclosed in the present invention;

Fig. 9 is an assembled rear side view of the second connection part disclosed in the present invention;

Fig. 10 is an assembled cross-sectional view of the second connecting component disclosed in the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The invention discloses a radio frequency connector to solve the problems of complicated connection mode and low efficiency during the connection process of the connector and the PCB board through the microstrip welding technology in the prior art. Its specific implementation is as follows:

The radio frequency connector disclosed in the embodiment of the present invention is shown in Figure 1, including: a first connecting part 11, a second connecting part 12, and a printed circuit board PCB14, wherein:

The structure of the first connecting part 11 is shown in FIG. 2 : it includes: an input/output I/O connector 111 and a first buckle device 112 connected to the I/O connector 111;

The second connecting part 12 is arranged on the printed circuit board PCB14, and its structure is as shown in Figure 3, including: a second buckle device 121; There is a slot 122 ; the first locking device 112 of the first connecting part 11 is locked into the second locking device 121 of the second connecting part 12 through the slot 122 of the PCB 14 .

The installation diagram of the radio frequency connector is shown in Figure 4. The PCB 14 drives the second connecting part to press down, so that the first buckle device 112 passes through the slot 122 to cooperate with the second buckle device 121 to realize the I/O connection. The device 111 is connected to the PCB 14 to realize signal transmission.

Further, the connector also includes a modular structural member 13, and the first connecting part 11 in the above embodiment can be fixed on the modular structural member 13 by means of a flange and screws. This embodiment does not limit this connection method, and other methods capable of fixing the first connection component 11 on the module structure 13 may also be used. At the same time, a rubber waterproof ring may be provided at the connection between the first connecting member 11 and the PCB 14 to ensure a tight connection between the I/O connector and the PCB 14 .

In the radio frequency connector disclosed in the embodiment of the invention, the first connection part and the second connection part are connected through mutual engagement between the first buckle device and the second buckle device, which simplifies the connection method and improves the connection efficiency

Due to the manual soldering iron welding method used in the prior art, the amount of tin is not easy to control, and different tin amounts directly affect the electrical performance of transmission. Therefore, in mass production, the electrical performance index is unstable and fluctuates greatly. However, in the present invention, since the second fastening device is uniformly used for connection, the problem of inconsistency in electrical performance is avoided, and the performance of mass production is improved.

The structure of the first buckle device of the first connecting part of the radio frequency connector disclosed in the present invention is shown in FIG. 5 . The side view of the first buckle device in this embodiment is roughly triangular and includes a The cylindrical body 51 has a first side arm 53 and a second side arm 54 symmetrically disposed on both sides of the body 51 . The bottom corners of the first side arm 53 and the second side arm 54 are rounded to ensure that after the side arms are compressed and deformed, they still maintain a large contact area with the second buckle device to improve their connection performance.

Further, the first locking device disclosed in this embodiment further includes: a limiting portion 55 disposed at one end of the cavity 52 .

The schematic diagram of the connection between the first buckle device 112 and the I/O connector 111 disclosed in this implementation is shown in Figure 6. The I/O connector 111 includes a center pin 61, and the first buckle device 112 passes through its body The cavity 52 of 51 is socketed on the outside of the central pin 61 of the I/O connector. The outer periphery of the central pin 61 close to the connector is provided with an annular protrusion, and the annular protrusion is provided with a gap 62 at a certain angle. When connecting, the limiting part 55 of the first buckle device 112 is embedded in the notch 62, so that the first buckle device 112 can rotate around the center needle within the angle range corresponding to the notch 62, and the angle range set according to the notch is different. The rotation range can be set between 0-180° according to the actual situation, and it is usually kept within 60° to absorb the cumulative tolerance generated during the assembly process and improve the radial tolerance to ensure that the second snap-fit device 112 Accurate fit, so as to realize the reliable blind mating of the first connecting part and the second connector. The I/O connector 111 also includes a fixing pin 63, and the fixing pin 63 is arranged on the end of the center pin 63 away from the I/O connector 111, so as to prevent the first buckle device 112 from moving along the axis of the center pin 63. to move.

The material of the first buckle device in this embodiment is beryllium copper, and other similar materials with good elasticity can also be used, as long as the first buckle device can ensure that the material has good elasticity.

This embodiment also does not limit the first buckling device to be a triangular first buckling device, and other shapes of the first buckling device can also be used, as long as the elastic fit with the second buckling device can be ensured.

The first buckle device disclosed in this embodiment can rotate around the center pin within a certain range, which improves the tolerance performance of the connector, ensures a reliable connection with the second buckle device, and ensures the effectiveness and reliability of the connector. reliability.

The structure of the first locking device disclosed in this embodiment can also be applied to the above embodiments.

The schematic diagram of the assembly structure of the second connecting part of the radio frequency connector disclosed in the present invention is shown in FIG. The shielding shell 73, the insulator 72 and the shielding shell 73 are used to ensure that the second locking device 71 is not in contact with the outside world, avoiding electric leakage, and ensuring the reliability of the connector. The assembled structure is shown in FIG. 8 , the side view is shown in FIG. 9 , and the cross-sectional view is shown in FIG. 10 .

When the first buckle device 112 shown in FIG. 5 is connected to the second buckle device 71, the second buckle device 71 presses down from above the first buckle device 112, and the first buckle device 112 is inserted into the second buckle device 112. The inner hollow part of the second buckle device 71, its two side arms 53 and 54 are in contact with the side walls of the second buckle device 71, and are deformed inwardly under the pressure of the side walls, and the rebound force generated by the deformation makes The bottom of the side arm of the first buckling device is in close contact with the side wall of the second buckling device 71 to ensure the reliability of the connection.

After the first buckle device 112 cooperates with the second buckle device 71, it is deformed under pressure, and the contact area and contact force between the first buckle device 112 and the second buckle device 71 will increase, thereby obtaining a smaller contact resistance and realizing common mode Better lightning protection performance.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other. As for the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and for the related information, please refer to the description of the method part.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. a radio frequency connector, is characterized in that, comprising: the first link, the second link and printing board PCB; Described the first link comprises input and output I/O connector, the first bayonet unit that is connected with described I/O connector; Described the second link is arranged on described printed circuit board (PCB), and described the second connecting portion comprises one second bayonet unit;

On described printed circuit board (PCB), the second bayonet unit of corresponding described the second link offers a fluting;

The first bayonet unit of described the first link is snapped in the second bayonet unit of described the second link by the fluting place of described printed circuit board (PCB);

Wherein, triangular in shape and the first side arm and the second side arm that have the body of hollow cavity and be symmetricly set in the body both sides of described the first bayonet unit.

2. connector according to claim 1, is characterized in that, described I/O connector comprises the center pin, and described the first bayonet unit is arranged on the center pin of described I/O connector, and can rotate around the center of described I/O connector pin.

3. connector according to claim 2, is characterized in that, is provided with annular projection on the periphery of described center pin near the part of connector, is provided with the gap of certain angle on described annular projection;

Described the first bayonet unit also comprises the limiting section that is arranged on described body, the body of described the first bayonet unit is socketed on the pin of described center, the limiting section of described the first bayonet unit is embedded in described gap, and can move in angular range corresponding to gap.

4. connector according to claim 3, is characterized in that, the bottom of described the first side arm and the second side arm is fillet.

5. connector according to claim 4, is characterized in that, described connector also comprises a modular structure part, and described the first link is connected on described modular structure part by ring flange.

6. connector according to claim 2, is characterized in that, described triangle elasticity the first bayonet unit adopts beryllium copper to make.

7. the described connector of any one according to claim 1-6, is characterized in that, described the second link also comprises: be arranged at the outer insulator of described the second bayonet unit.

8. connector according to claim 7, is characterized in that, described the second link also comprises: be arranged at the outer screening can of described insulator.

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