A radio frequency coaxial connector

Abstract

The present invention discloses a radio frequency coaxial connector that is more convenient to install. The technical solution adopted includes: a conductive front housing having a receiving space, a first insulating member received in the conductive front housing, and a first center pin received in the first insulating member. The rear end of the first center pin is connected to one end of a cable. It is characterized in that: a movable PCB board and a lantern spring are sequentially provided on the cable, and a copper seat is provided at the front end of the cable and is locked and fixed through a locking ring. The PCB board realizes electrical connection with the conductive front housing through the lantern spring, the locking ring, and the copper seat.

Description

Technical Field

[0001] The invention relates to a radio frequency coaxial connector. Background Art

[0002] RF coaxial connectors are generally considered to be a type of component that is attached to a cable or installed on an instrument (equipment). Its structure is shown in the Chinese invention patent with application publication number "CN 102340074 A", which includes a conductive shell with a receiving space, an insulating member received in the conductive shell, and a center pin received in the insulating member, and the rear end of the center pin is connected to one end of the cable. In order to achieve the functions of lightning protection and high voltage resistance, traditional RF coaxial connectors usually need to separately connect a lightning protection and surge protection circuit to the ground connection of the RF coaxial connector on the circuit board of the application instrument. This implementation method is not only very troublesome to assemble, but also difficult to match with the RF coaxial connector. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a radio frequency coaxial connector which is more convenient to install.

[0004] In order to solve the above problems, the technical solution adopted by the present invention includes: a conductive front shell body with a receiving space, a first insulating part received in the conductive front shell body, and a first center pin received in the first insulating part, wherein the rear end of the first center pin is connected to one end of the cable, and is characterized in that: a movable PCB board and a lantern spring are sequentially provided on the cable, and a copper seat is provided at the front end of the cable and is locked and fixed by a locking ring, and the PCB board is electrically connected to the conductive front shell body through the lantern spring, the locking ring and the copper seat.

[0005] The radio frequency coaxial connector is characterized in that at least one movable electromagnetic ring is provided on the cable.

[0006] The radio frequency coaxial connector is characterized in that the cable is installed on the side of the conductive front shell and is fixed by riveting through a riveting cover on the back of the conductive front shell.

[0007] The radio frequency coaxial connector is characterized in that the PCB board is electrically connected to the lantern spring through a conductive contact surface on the inner wall of the mounting hole.

[0008] The radio frequency coaxial connector is characterized in that: the first insulating member is mainly composed of a first front insulating sleeve and a first rear insulating sleeve, a conductive sleeve is arranged between the first front insulating sleeve and the first rear insulating sleeve, and the first center needle is inserted into the conductive sleeve.

[0009] The radio frequency coaxial connector is characterized in that: barbs are provided at both ends of the conductive sleeve, wherein the barb at the lower end is plugged into and matched with the first center pin.

[0010] The described radio frequency coaxial connector is characterized in that a front guiding port is provided on the first front insulating sleeve, and a rear guiding port is provided on the first rear insulating sleeve.

[0011] The described radio frequency coaxial connector is characterized in that a heat dissipation space exists between the first front insulating sleeve, the first rear insulating sleeve and the conductive front housing, and the middle section of the conductive sleeve is exposed in the heat dissipation space.

[0012] The described radio frequency coaxial connector is characterized in that the other end of the cable is provided with a conductive rear housing and is locked and fixed through a locking ring. A second insulating member and a second center pin fixed on the second insulating member are provided in the conductive rear housing, and the second center pin is electrically connected to the cable.

[0013] The described radio frequency coaxial connector is characterized in that the insertion port orientation of the conductive rear housing is the same as the pin orientation at the bottom of the conductive front housing.

[0014] Advantages of the radio frequency coaxial connector of the present invention: 1. It is equipped with a PCB board (lightning protection and surge protection circuit) itself, and the assembly between the PCB board and it is very convenient without welding; 2. The PCB board (lightning protection and surge protection circuit) is customized for it, and the matching is better. Description of the Drawings

[0015] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.

[0016] Figure 1 is a schematic structural diagram of the radio frequency coaxial connector of the present invention;

[0017] Figure 2 is a front view of the radio frequency coaxial connector of the present invention;

[0018] Figure 3 is Figure 2 a sectional view taken along the line A-A of

[0019] Figure 4 is Figure 2 a sectional view taken along the line B-B of

[0020] Figure 5 is a schematic structural diagram of the PCB board of the present invention;

[0021] Figure 6 is a schematic structural diagram of the conductive sleeve of the present invention;

[0022] Figure 7 is a schematic structural diagram of the conductive front housing of the present invention. Specific Embodiments

[0023] As Figures 1 to 7As shown, the radio frequency coaxial connector of the present invention comprises a conductive front shell 1 provided with a receiving space, a first insulating member 2 received in the conductive front shell 1, and a first center pin 3 received in the first insulating member 2, wherein the rear end of the first center pin 3 is connected to one end of a cable 4. A movable PCB board 6 and a lantern spring 7 are sequentially provided on the cable 4, and a copper seat 8 is provided at the front end of the cable 4 and is locked and fixed by a locking ring 9. The PCB board 6 is electrically connected (grounded) to the conductive front shell 1 through the lantern spring 7, the locking ring 9, and the copper seat 8. To achieve quick connection, the PCB board 6 is electrically connected to the lantern spring 7 through the conductive contact surface 12 on the inner wall of the mounting hole. The PCB board 6 can be a lightning and surge protection circuit board.

[0024] When connecting, just push the lantern spring 7 and the PCB board 6 to the locking ring 9 to achieve the conduction between the PCB board 6 and the conductive front housing 1. The PCB board 6 is welded and fixed to the circuit board of the application device through two connecting pins 28 at the bottom.

[0025] Preferably, one or two movable electromagnetic rings 5 ​​(ie, anti-interference magnetic rings) are provided on the cable 4 to play a filtering role, thereby improving the anti-interference performance of the product.

[0026] Preferably, the conductive front housing 1 comprises a square mounting portion 23, a cylindrical plug 24 provided at the front end of the square mounting portion 23 and integrally formed or assembled therewith, and the cylindrical plug 24 is provided with an external screw. Four pins 22 are provided at the bottom of the square mounting portion 23, and the connection with the circuit board of the application device is realized through the pins 22. A first mounting port 25 is provided at the rear end of the square mounting portion 23, and a second mounting port 26 communicating with the first mounting port 25 is provided on one of the side surfaces. The front end of the cable 4 is first loaded into the receiving space of the conductive front housing 1 from the first mounting port 25, and then bent to be clamped into the second mounting port 26, and finally riveted and fixed through the riveting cover 11 in the first mounting port 25. The second mounting port 26 is provided with a guide groove 27 adapted to the riveting cover 11, and the riveting cover 11 can be accurately loaded into the square mounting portion 23 through the guide groove 27. The cable 4 is quickly and stably installed on the side of the conductive front housing 1. Through the above structure, the cable 4 can be firmly connected to the conductive front housing 1. At the same time, the overall product is in an "F" shape, which is easier to install on instruments (equipment) and saves space.

[0027] Preferably, the first insulating member 2 is mainly composed of a first front insulating sleeve 201 and a first rear insulating sleeve 202. A conductive sleeve 13 is disposed between the first front insulating sleeve 201 and the first rear insulating sleeve 202. The first center pin 3 is inserted into the conductive sleeve 13. Barbs 14 are provided at both ends of the conductive sleeve 13, and the barb 14 at the lower end is in plug-in fit with the first center pin 3 to achieve the central positioning and contact stability of the first center pin 3.

[0028] Preferably, a front guiding port 15 is provided on the first front insulating sleeve 201, and a rear guiding port 16 is provided on the first rear insulating sleeve 202. The front guiding port 15 facilitates the accurate insertion of the female plug and the plug-in fit with the first center pin 3. The rear guiding port 16 facilitates the accurate insertion of the first center pin 3 and the plug-in fit with the conductive sleeve 13.

[0029] Preferably, a heat dissipation space 17 is provided between the first front insulating sleeve 201, the first rear insulating sleeve 202 and the conductive front housing 1, and the middle section of the conductive sleeve 13 is exposed in the heat dissipation space 17 to improve the heat dissipation performance of the product and reduce the temperature rise.

[0030] Preferably, the other end of the cable 4 is provided with a conductive rear housing 18 and is locked and fixed by a locking ring 9. A second insulating member 19 and a second center pin 20 fixed on the second insulating member 19 are provided in the conductive rear housing 18, and the second center pin 20 is electrically connected to the cable 4. The insertion port 21 of the conductive rear housing 18 faces the same direction as the pin 22 at the bottom of the conductive front housing 1 to facilitate the quick connection with the application device.

[0031] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention are all included in the protection scope of the present invention.

Claims

1. A radio frequency coaxial connector, comprising a conductive front housing (1) provided with a receiving space, a first insulating member (2) received in the conductive front housing (1), and a first center pin (3) received in the first insulating member (2), wherein the rear end of the first center pin (3) is connected to one end of a cable (4), and is characterized in that: The cable (4) is provided with a movable PCB board (6) and a lantern spring (7) in sequence, and a copper seat (8) is provided at the front end of the cable (4) and is locked and fixed by a locking ring (9); the PCB board (6) is electrically connected to the conductive front housing (1) via the lantern spring (7), the locking ring (9) and the copper seat (8).

2. The RF coaxial connector according to claim 1, wherein: At least one movable electromagnetic ring (5) is passed through the cable (4).

3. The RF coaxial connector according to claim 1, characterized in that: The cable (4) is mounted on the side of the conductive front housing (1) and is fixed by riveting through a riveting cover (11) on the back of the conductive front housing (1).

4. The RF coaxial connector according to claim 1, characterized in that: The PCB board (6) is electrically connected to the lantern spring (7) via a conductive contact surface (12) on the inner wall of the mounting hole.

5. The RF coaxial connector according to claim 1, wherein: The first insulating member (2) is mainly composed of a first front insulating sleeve (201) and a first rear insulating sleeve (202); a conductive sleeve (13) is arranged between the first front insulating sleeve (201) and the first rear insulating sleeve (202); and the first center needle (3) is inserted into the conductive sleeve (13).

6. The RF coaxial connector according to claim 5, wherein: The conductive sleeve (13) is provided with barbs (14) at both ends, wherein the barb (14) at the lower end is plug-fitted with the first center needle (3).

7. The RF coaxial connector according to claim 5, characterized in that: The first front insulating sleeve (201) is provided with a front guide opening (15), and the first rear insulating sleeve (202) is provided with a rear guide opening (16).

8. The RF coaxial connector according to claim 5, wherein: A heat dissipation space (17) is present between the first front insulating sleeve (201), the first rear insulating sleeve (202) and the conductive front shell (1), and a middle section of the conductive sleeve (13) is exposed in the heat dissipation space (17).

9. The RF coaxial connector according to claim 1, characterized in that: The other end of the cable (4) is provided with a conductive rear shell (18) and is locked and fixed by a locking ring (9); a second insulating member (19) and a second center needle (20) fixed on the second insulating member (19) are provided inside the conductive rear shell (18); the second center needle (20) is electrically connected to the cable (4).

10. The RF coaxial connector according to claim 9, characterized in that: The orientation of the socket (21) of the conductive rear housing (18) is the same as the orientation of the pins (22) at the bottom of the conductive front housing (1).

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