CN110137756A - A kind of floating radio frequency connector - Google Patents

Abstract

The invention relates to a floating radio frequency connector; it includes a male end and a female end that cooperate with each other, the male end includes a first PCB board and at least one male head fixed on the first PCB board, and the female end includes a second PCB board and at least one An elastic outer conductor corresponding to the male head, the male head can be plugged into the elastic outer conductor with an axial offset within the circumference of the radius R; the beneficial effect of the present invention is embodied in that the elastic outer conductor is installed in the female end , so that the male head is assembled into the female head through the elastic outer conductor. Since the elastic outer conductor has a certain elastic floating space, the spring pin can always keep in contact with the contact plate of the female end during the deviation process of the male head, so that the male head The two ends of the connector do not need to be completely locked, and its structure is simple. It can be combined at will to form a multi-PIN video connector according to actual use, and a single-sided asymmetric spring is used to make the image always provide a lateral force to ensure its contact with the outer conductor. Enhanced contact stability for ease of use.

Description

A floating radio frequency connector

technical field

The invention relates to a connector, in particular to a floating radio frequency connector which is simple in structure, convenient to assemble and can be used in combination with multiple pins.

Background technique

In order to realize the switching and control of various functional modules in the equipment, it is usually necessary to integrate multiple connectors on one module. In the traditional structure, the male and female connectors of the connectors are generally used to be mated with each other. Due to the existence of the parts, there are certain Due to the assembly error, the mating gap between the male and female connectors of the combined connector is inconsistent. In a fixed assembly structure, different mating gaps may cause the male and female connectors to fail to dock, resulting in the failure of the RF connector to work. In the existing connectors, the structure of the shrapnel is mostly a symmetrical structure, and there is a defect that the shrapnel and the outer conductor are momentarily disconnected during use, which makes the connection unstable and inconvenient to use.

Contents of the invention

In order to solve the above problems, the present invention aims to provide a connector, in particular a floating radio frequency connector which is simple in structure, easy to assemble and can be used in combination with multiple pins.

To achieve the above object, the technical solution adopted by the present invention is: a floating radio frequency connector, which includes a male end and a female end that cooperate with each other, and the male end includes a first PCB board and at least one fixed on the first PCB board. The female end includes a second PCB board and at least one elastic outer conductor corresponding to the male head, and the male head can be plugged into the said male head in an axially offset manner within a circumference with a radius of R. in the elastic outer conductor.

Wherein, the male end is provided with a positioning frame, and the positioning frame is provided with several positioning holes, the male head is arranged in the positioning hole, and the positioning frame and the male head are respectively fixedly installed on the first A PCB board.

Wherein, the male head includes an outer conductor, an inner conductor and a terminal, and the outer conductor can be shiftably inserted into the elastic outer conductor, the outer conductor is sheathed outside the inner conductor, and the terminal is plugged into the elastic outer conductor. Set in the inner conductor, the terminal is provided with an elastic piece, one side of the elastic piece is provided with at least one raised elastic reed, the terminal and the outer cover of the elastic piece are provided with a spring pin, and the spring A groove is integrally formed on the inner wall of the needle, and the raised end of the elastic reed is clamped on the groove, and one end of the male head is electrically connected to the first PCB board through the terminal, The other end is electrically connected to the second PCB board through the spring pin.

Wherein, the terminal is provided with an axial installation groove penetrating through its top end, the axial installation groove communicates with the inside of the spring pin, the axial installation groove is provided with a spring, one end of the spring is against the the bottom of the axial mounting groove, and the other end is against the inner top of the elastic pin.

Wherein, the second PCB board is provided with a contact plate, and the contact plate is located at the center of the elastic outer conductor, and the spring pin is electrically connected to the contact plate.

Wherein, the female end is provided with a mounting frame, and the mounting frame is provided with at least one mounting cavity, and the elastic outer conductor is fixedly mounted in the mounting cavity.

Wherein, the two sides of the elastic outer conductor are symmetrically provided with V-shaped inwardly inclined extension parts, and the other two sides are symmetrically provided with positioning parts, and the extending parts are provided with elastic positioning blocks, and the elastic positioning blocks They are sandwiched on the outer sides of the outer conductors in an inverted V shape.

Wherein, the elastic outer conductor is provided with a welding foot, and the welding foot is fixedly welded on the second PCB board.

Wherein, the outer conductor is fixedly welded on the first PCB board by soldering feet.

Wherein, the first PCB board is provided with a mounting hole, and the terminal is inserted into the mounting hole, so that the male head is fixedly mounted on the PCB board.

The beneficial effect of the present invention is embodied as follows: the purpose of the present invention is to provide a floating radio frequency connector, the elastic outer conductor is installed in the female end, so that the male head is assembled into the female end through the elastic outer conductor, because the elastic outer conductor has a certain Elastic floating space, the spring pin can always keep in contact with the contact plate of the female end during the offset process of the male head, so that the two ends of the male head do not need to be completely locked. Its structure is simple, and it can be combined to form multiple PINs according to actual use. The video connector uses a single-sided asymmetric shrapnel, so that the picture always provides a lateral force to ensure its contact with the outer conductor, enhance the contact stability, and facilitate use.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a sectional view of the overall structure of the present invention.

Fig. 3 is a schematic structural diagram of the public end of the present invention.

Fig. 4 is a schematic diagram of the structure of the female end of the present invention.

Fig. 5 is a schematic diagram of the structure of the elastic outer conductor of the present invention.

Notes on drawings:

1-male end; 2-female end; 3-first PCB board; 4-male head; 5-second PCB board; 6-elastic outer conductor; 7-positioning frame; 8-positioning hole; 9-outer conductor; 10-inner conductor; 11-terminal; 12-shrapnel; 13-elastic reed; 14-groove; 15-axial installation groove; 16-spring; 20-extension part; 21-positioning part; 22-elastic positioning block; 23-welding foot; 24-installation hole; 25-spring needle.

Detailed ways

The specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing:

As shown in Figures 1-5, a floating radio frequency connector includes a male end 1 and a female end 2 that cooperate with each other. The male end 1 includes a first PCB board 3 and at least one fixed to the first PCB board. 3 on the male head 4, the female end 2 includes a second PCB board 5 and at least one elastic outer conductor 6 corresponding to the male head 4, the male head 4 can be axially deflected within the circumference of the radius R The ground is plugged into the elastic outer conductor 6.

Wherein, the male end 1 is provided with a positioning frame 7, the positioning frame 7 is provided with several positioning holes 8, the male head 4 is arranged in the positioning holes 8, the positioning frame 7 and the male head 4 are fixedly installed on the first PCB board 3 respectively.

Wherein, the male head 4 includes an outer conductor 9, an inner conductor 10 and a terminal 11, the outer conductor 9 is deflectably plugged into the elastic outer conductor 6, and the outer conductor 9 is sheathed in the inner conductor 6. Outside the conductor 10, the terminal 11 is inserted into the inner conductor 10, the terminal 11 is provided with a spring piece 12, and one side of the spring piece 12 is provided with at least one raised elastic reed 13, the terminal 11 The outer cover of the spring piece 12 is provided with a spring pin 25, and the inner wall of the spring pin 25 is integrally formed with a groove 14, and the raised end of the elastic reed 13 is clamped on the groove 14, One end of the male head 4 is electrically connected to the first PCB 3 through the terminal 11 , and the other end is electrically connected to the second PCB 5 through the spring pin 25 .

Wherein, the terminal 11 is provided with an axial installation groove 15 penetrating through its top end, the axial installation groove 15 communicates with the interior of the spring pin 25, the axial installation groove 15 is provided with a spring 16, the One end of the spring 16 abuts against the bottom of the axial mounting groove 15 , and the other end abuts against the inner top of the spring pin 25 .

Wherein, the second PCB board 5 is provided with a contact plate 17 , the contact plate 17 is located at the center of the elastic outer conductor 6 , and the spring pin 25 is electrically connected to the contact plate 17 .

Wherein, the female end 2 is provided with a mounting frame 18 , and the mounting frame 18 is provided with at least one mounting cavity 19 , and the elastic outer conductor 6 is fixedly installed in the mounting cavity 19 .

Wherein, two sides of the elastic outer conductor 6 are symmetrically provided with V-shaped inwardly inclined extension parts 20, and other two sides are symmetrically provided with positioning parts 21, and the extension parts 20 are provided with elastic positioning blocks 22, The elastic positioning blocks 22 are respectively clamped on the outer sides of the outer conductors 9 in an inverted V shape.

Wherein, the elastic outer conductor 6 is provided with a welding foot 23 , and the welding foot 23 is fixedly welded on the second PCB board 5 .

Wherein, the outer conductor 9 is fixedly welded on the first PCB board 3 through the welding feet 23 .

Wherein, the first PCB board 3 is provided with a mounting hole 24, and the terminal 11 is inserted into the mounting hole 24, so that the male head 4 is fixedly mounted on the PCB board.

A floating radio frequency connector of the present invention includes a male end 1 and a female end 2 that cooperate with each other, wherein the male end 1 is composed of a positioning frame 7, a male head 4 and a first PCB board 3, and the positioning frame 7 is provided with several There are three positioning holes 8, and the male headers 4 can be respectively installed in the positioning holes 8 of the positioning frame 7 according to the actual use quantity, so as to realize the combination structure when using multiple PINs. The positioning frame 7 and the male headers 4 are fixedly installed on the first PCB board. 3, specifically, the male head 4 includes an outer conductor 9, an inner conductor 10 and a terminal 11, the outer conductor 9 is sleeved outside the inner conductor 10, the terminal 11 is inserted in the inner conductor 10, and the terminal 11 is located on the inner conductor 10 One side is provided with an annular draw-in groove, and a spring piece 12 is sleeved in the draw-in groove, and one side of the spring piece 12 is provided with at least one outwardly tilted reed, and the reed is always concentrated on one side of the spring piece 12, so that the spring piece 12 forms an asymmetric structure, so that the elastic piece 12 is always subjected to a lateral force through the reed, and a spring pin 25 is arranged on the outside of the terminal 11 at this end, and an annular groove 14 is arranged on the inside of the spring needle 25, and the elastic spring 13 is warped. The raised end is clamped on the groove 14, and the terminal 11 is provided with an axial installation groove 15 in the axial direction, and the axial installation groove 15 runs through one end of the terminal 11 provided with a spring pin 25, so that the axial installation groove 15 Connected to the inside of the spring pin 25, a spring 16 is arranged in the axial mounting groove 15, one end of the spring 16 is against the bottom of the axial mounting groove 15, and the other end is against the inner top of the spring pin 25, when the spring pin 25 is received When pressing down, the outer wall of the elastic reed 13 is in contact with the inner wall of the spring pin 25, and the elastic reed 12 is pressed to the side of the non-elastic reed 13, and the inner wall of the elastic reed 12 is in full contact with the outer wall of the terminal 11, ensuring the guide The stability of communication, driven by the first PCB board 3, the male head 4 can realize vertical floating within the range of no more than 1.5mm in the radial direction. Among them, the outer conductor 9 is provided with several welding feet 23, which are fixedly welded to the first PCB through the welding feet 23. On a PCB board 3, the first PCB board 3 is provided with a mounting hole 24 that matches the terminal 11, and during the assembly process with the first PCB board 3, the terminal 11 of the male head 4 is inserted into the mounting hole 24 .

Secondly, the female end 2 includes a second PCB board 5, a mounting frame 18 and an elastic outer conductor 6, and the mounting frame 18 and the elastic outer conductor 6 are fixedly installed on the second PCB board 5, wherein the mounting frame 18 has an integral mounting cavity 19 or several mounting cavities 19 corresponding to the quantity of the elastic outer conductor 6, the elastic outer conductor 6 is installed in the mounting cavity 19, and the position of the mounting cavity 19 of the mounting frame 18 corresponds to the position of the positioning hole 8 in the positioning frame 7, so that The male head 4 in the positioning hole 8 can be plugged into the elastic outer conductor 6 .

The second PCB board 5 is provided with a plurality of contact plates 17 for electrical contact with the spring pins 25 of the male head 4, and the plurality of contact plates 17 are respectively arranged in each mounting cavity 19 of the mounting bracket 18, and the elastic outer conductor 6 is provided with a through hole, so that the elastic pin 25 passes through the through hole to connect with the contact plate 17 after assembly.

The two sides of the elastic outer conductor 6 are symmetrically provided with extension parts 20, and the other two sides are symmetrically provided with positioning parts 21. The extension parts 20 on both sides are V-shaped and inclined toward the inside of the elastic outer conductor 6. The extension part 20 is provided with The elastic positioning block 22, the elastic positioning block 22 is in the shape of an inverted V and inclines to the inside of the elastic outer conductor 6, when the male connector 4 is plugged into the elastic outer conductor 6, the elastic positioning block 22 is sandwiched between two outer conductors 9 of the male connector 4 respectively. On the side, the elastic outer conductor 6 is fixedly clamped in the installation cavity 19 in the installation frame 18 through the positioning part 21 .

After the assembly of the male end 1 and the female end 2 is completed, during use, the first PCB board 3 drives the male end 4 to realize horizontal floating within a circle with a radius R, and the contact plate 17 is always in contact with the spring pin during the floating process. 25 are in electrical contact with each other, and the first PCB board 3 drives the male head 4 and the spring pin 25 to realize vertical floating in the axial direction.

When using a multi-PIN structure, a corresponding number of male headers 4 and female headers are respectively arranged on the first PCB board 3 and the second PCB board 5 to form a board-to-board assembly structure, thereby realizing board-to-board multi-PIN RF connector.

The above are only preferred embodiments of the present invention, and are not intended to limit the technical scope of the present invention. Those skilled in the art can make some deformations and modifications under the inspiration of this technical solution. Any modifications, equivalent changes and modifications made to the above embodiments by technical essence still belong to the scope of the technical solution of the present invention.

Claims (10)

1. a kind of floating radio frequency connector, it is characterised in that: including mutually matched male end and female end, the male end includes first Pcb board is fixed on the male connector on first pcb board at least one, and the female end includes the second pcb board and at least one is right The elastic outer conductor of male connector described in Ying Yu, the male connector can be described to be plugged in axially offset manner in the circumference range of R with radius In elastic outer conductor.

2. a kind of floating radio frequency connector according to claim 1, it is characterised in that: the male end is provided with locating rack, institute It states locating rack and is provided with several location holes, the male connector is set in the location hole, the locating rack and the male connector point It is not fixedly installed on first pcb board.

3. a kind of floating radio frequency connector according to claim 1, it is characterised in that: the male connector includes outer conductor, interior leads Body and terminal, the outer conductor can be plugged in the elastic outer conductor with deviating, and the outer conductor is sheathed on the inner conductor Outside, the terminal are inserted in the inner conductor, and the terminal is provided with elastic slice, and the side of the elastic slice is provided at least one The outer cup of the elastic spring that block tilts, the terminal and the elastic slice, which is equipped with, plays needle, and the bullet needle inner sidewall is integrally formed ground It is arranged fluted, one end that the elastic spring tilts is arranged on the groove, and wherein one end passes through the end to the male connector Sub to be electrically connected with first pcb board, the other end is electrically connected by the bullet needle and second pcb board.

4. a kind of floating radio frequency connector according to claim 3, it is characterised in that: the terminal is provided with through Qi Ding The axially mounted slot at end is connected inside the axially mounted slot and the bullet needle, and the axially mounted slot is provided with spring, institute Stating spring, wherein one end is butted on the axially mounted trench bottom, and the other end is butted on the inner tip for playing needle.

5. a kind of floating radio frequency connector according to claim 3, it is characterised in that: the second pcb board is provided with tactile disk, described Tactile disk is located at the center of the elastic outer conductor, and the bullet needle, which is butted on the tactile disk, to be electrically connected.

6. a kind of floating radio frequency connector according to claim 1, it is characterised in that: the female end is provided with mounting rack, institute It states mounting rack and is provided at least one installation cavity, the elasticity outer conductor is fixedly installed in the installation cavity.

7. a kind of floating radio frequency connector according to claim 3, it is characterised in that: the wherein two sides of the elasticity outer conductor It is symmetrically provided with the intilted extension that is in the shape of the letter V, in addition two sides are symmetrically provided with positioning region, the extension setting Flexible locating piece, the described flexibly positioned piece outside for being located in the outer conductor respectively in inverted v-shaped.

8. a kind of floating radio frequency connector according to claim 1, it is characterised in that: the elasticity outer conductor is provided with weldering Foot, the leg are fixedly welded on the second pcb board.

9. a kind of floating radio frequency connector according to claim 1, it is characterised in that: the outer conductor is welded by the way that leg is fixed It is connected on first pcb board.

10. a kind of floating radio frequency connector according to claim 3, it is characterised in that: first pcb board is provided with installation Hole, the terminal are inserted in the mounting hole, are fixedly installed in the male connector on the pcb board.