CN108173092B

CN108173092B - POGO PIN coaxial connector for radio frequency

Info

Publication number: CN108173092B
Application number: CN201711493434.XA
Authority: CN
Inventors: 王升锋; 钟宁; 党作红
Original assignee: Avic Forstar S&t Co ltd
Current assignee: Avic Forstar S&t Co ltd
Priority date: 2017-12-30
Filing date: 2017-12-30
Publication date: 2024-05-17
Anticipated expiration: 2037-12-30
Also published as: CN108173092A

Abstract

The invention relates to a POGO PIN coaxial connector for radio frequency, which comprises an inner conductor and an insulator, wherein the inner conductor comprises a first inner conductor which is embedded into the insulator and is coaxial with the insulator, and a second inner conductor which is sleeved on the first inner conductor, a deep hole is formed in the first inner conductor, the second inner conductor is connected with a spring mechanism, the spring mechanism is slidably connected in the deep hole, and the axial floating of the second inner conductor is realized by utilizing the elasticity of the spring. It should be noted that, in practical application, the rf channel outer conductor of the connector is integrated into the terminal cavity.

Description

POGO PIN coaxial connector for radio frequency

Technical Field

The invention belongs to the field of radio frequency connectors, and particularly relates to a POGO PIN coaxial connector for radio frequency.

Background

The POGO PIN is generally applied to precise connection scenes in electronic products such as mobile phones, communication, automobiles, medical treatment, aerospace and the like, and only transmits electric signals. With the increasing demands of customers for the tolerance and volume of the interconnection products between boards, conventional board-to-board connection schemes have failed to meet the demands. The POGO PIN can realize board-to-board connection with large tolerance in a small space and has good electrical performance, so that the POGO PIN has practical application value when being introduced into the field of radio frequency signal transmission.

Disclosure of Invention

The invention provides a POGO PIN coaxial connector for radio frequency, which is used for solving the problems of large occupied space, high manufacturing cost and electric property deterioration in a limit tolerance state of an inter-board connection scheme in the prior art.

To achieve the above and other related objects, the present invention provides a POGO PIN coaxial connector for radio frequency, which is characterized in that: the novel high-voltage power supply comprises an inner conductor and an insulator, wherein the inner conductor comprises a first inner conductor embedded in the insulator and coaxial with the insulator, and a second inner conductor sleeved on the first inner conductor, a deep hole is formed in the first inner conductor, the second inner conductor is connected with a spring mechanism, and the spring mechanism is slidably connected inside the deep hole.

The sliding device comprises a guide post and a spring, one end of the guide post is connected with the second inner conductor, the other end of the guide post is slidably connected in the deep hole of the first inner conductor, and the spring is sleeved on the circumferential surface of the guide post.

The spring is preloaded.

The guide post is in clearance fit with the deep hole.

The insulator is made of polytetrafluoroethylene or other insulating materials.

The surface of the second inner conductor is provided with a slot, the inner surface of the second inner conductor is also provided with a barb, the first inner conductor is provided with an electric contact cylindrical surface with the diameter of 1.6mm-2.4mm, and the electric contact cylindrical surface is in contact fit with the inner surface of the barb on the second inner conductor.

The grooving elasticity is in stable contact with the electric contact cylindrical surface.

The outer surface of the first inner conductor is provided with a stop step, the end surface is designed with a leading-in inclined plane, and the inverted hook end surface on the second inner conductor is designed with an inverted hook leading-in inclined plane.

The reverse hook is clamped inside the stop step of the first inner conductor.

Drawings

Fig. 1 is a schematic cross-sectional view of the POGO PIN coaxial connector for radio frequency of the present invention.

Fig. 2 shows a cross-section of the first inner conductor.

Fig. 3 shows a cross-section of the second inner conductor.

Fig. 4 is a schematic diagram of the coaxial connector of fig. 1 before assembly.

Description of element numbers:

1 a first inner conductor; 11. an electrical contact cylindrical surface; 12. deep holes; 13. a stop step; 14. a stop lead-in slope;

2a second inner conductor; 21. a reverse hook; 22, leading the reverse hook into the inclined plane; 23. slotting; 24. a guide post;

3 an insulator;

4. And (3) a spring.

Detailed Description

Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.

Referring to fig. 1 to 4, it should be understood that the structures, proportions, sizes, etc. shown in the drawings are shown only for the purpose of adapting the disclosure, and are not intended to limit the applicable limitations of the present invention, so that any structural modification, change of proportion, or adjustment of size is not technically significant, and still falls within the scope of the disclosure without affecting the efficacy and achievement of the present invention. Also, the terms such as "upper", "lower", "left", "right", "middle", and the like are used herein for descriptive purposes only and are not intended to limit the scope of the invention for which the invention may be practiced or for which the relative relationships may be altered or modified without materially altering the technical context.

Examples

A POGO PIN coaxial connector for radio frequency, characterized in that: the high-voltage power supply comprises an inner conductor and an insulator 3, wherein the inner conductor comprises a first inner conductor 1 embedded in the insulator 3 and coaxial with the insulator 3, and a second inner conductor 2 sleeved on the first inner conductor 1, a deep hole 12 is formed in the first inner conductor 1, a spring mechanism is connected to the second inner conductor 2, and the spring mechanism is slidably connected inside the deep hole 12.

When the whole device starts to work, one end of the first inner conductor 1 is clamped in the insulator 3, then the second inner conductor 2 is connected into the deep hole 12 in the first inner conductor 1 in a sliding manner through a spring mechanism fixedly connected with the second inner conductor, so that larger axial tolerance is allowed through a unique telescopic function, and the problem that the plate-to-plate, plate-to-module and module-to-module spacing in the whole device system is difficult to control accurately is solved conveniently.

Examples

The sliding device comprises a guide post 24 and a spring 4, one end of the guide post 24 is connected with the second inner conductor 2, the other end of the guide post is slidably connected in the deep hole 12 of the first inner conductor 1, and the spring 4 is sleeved on the circumferential surface of the guide post 24.

When the second inner conductor 2 axially floats along the first inner conductor 1, the matching length of the guide post 24 and the deep hole 12 of the first inner conductor 1 is increased, so that the stability of the spring 4 in the telescoping process can be ensured, and the concentricity of the floating process of the first inner conductor 1 and the second inner conductor 2 can be ensured.

Examples

The spring 4 is pre-pressed, the elastic requirement of the spring can be better met, the second inner conductor 2 can be more stable when floating along the axial direction of the first inner conductor 1 by utilizing the elasticity of the spring, and the spring can be used for keeping buffering.

Examples

The guide post 24 is in clearance fit with the deep hole 12, and the stability of the guide post 24 in the process of entering the deep hole 12 can be better met through the clearance fit of the guide post 24 and the deep hole 12.

Examples

The insulator 3 is made of polytetrafluoroethylene or other insulating materials, and through the arrangement, the insulating property is better ensured.

Examples

The surface of the second inner conductor 2 is provided with a slot 23, the inner surface of the second inner conductor 2 is also provided with a barb 21, the first inner conductor 1 is provided with an electric contact cylindrical surface 11 with the diameter of 1.6mm-2.4mm, and the electric contact cylindrical surface 11 is in contact fit with the inner surface of the barb 21 on the second inner conductor 2.

The elasticity of the slot 23 of the second inner conductor 2 is utilized to stably contact with the electric contact cylindrical surface of the first inner conductor, so that the stability of radio frequency signal transmission is realized.

Examples

The outer surface of the first inner conductor 1 is provided with a stop step 13, the end surface is provided with a stop leading-in inclined plane 14, and the end surface of a barb 21 on the second inner conductor 2 is provided with a barb leading-in inclined plane 22.

The first inner conductor 1 is led into the second inner conductor 2 by the cooperation of the stop leading-in inclined plane 14 and the reverse hook leading-in inclined plane 22 of the reverse hook 21, the slot 23 of the second inner conductor 2 is elastically opened, and the first inner conductor 1 can be pressed into the second inner conductor 2.

Examples

The inverted hook 21 is clamped inside the stop step 13 of the first inner conductor 1, after the second inner conductor 2 is sleeved on the first inner conductor 1, after the inverted hook 21 just enters the stop step 13 of the first inner conductor 1, the inverted hook 21 on the second inner conductor 2 and the stop step 13 of the first inner conductor 1 are mutually clamped, so that the second inner conductor 2 is prevented from falling off from the first inner conductor 1.

In summary, the POGO PIN coaxial connector for radio frequency realizes axial floating, and meanwhile, the stability of radio frequency signal transmission can be ensured. The device has the characteristics of small volume, light weight, less number of devices (one piece type), lower cost and smaller occupied board space compared with the traditional board-to-board connectors such as SMB (two pieces), SMP (two pieces or three pieces) and the like. Meanwhile, the unique telescopic function of the connector allows larger axial tolerance, and the problem that the spacing between the plates in the whole machine system, between the plates in the whole machine system and between the modules is difficult to control accurately is solved conveniently. Therefore, has higher industrial utilization value.

The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims

1. A POGO PIN coaxial connector for radio frequency, characterized in that: the high-voltage power supply comprises an inner conductor and an insulator (3), wherein the inner conductor comprises a first inner conductor (1) embedded in the insulator (3) and coaxial with the insulator (3), and a second inner conductor (2) sleeved on the first inner conductor (1), a deep hole (12) is formed in the first inner conductor (1), the second inner conductor (2) is connected with a spring mechanism, and the spring mechanism is connected inside the deep hole (12) in a sliding mode;

The sliding device comprises a guide post (24) and a spring (4), wherein one end of the guide post (24) is connected with the second inner conductor (2), the other end of the guide post is slidably connected in a deep hole (12) of the first inner conductor (1), the spring (4) is sleeved on the circumferential surface of the guide post (24), the spring (4) is pre-pressed, the guide post (24) and the deep hole (12) are in clearance fit, and the insulator (3) is made of polytetrafluoroethylene or other insulating materials.

2. The POGO PIN coaxial connector for radio frequency of claim 1, wherein: the surface of the second inner conductor (2) is provided with a slot (23), the inner surface of the second inner conductor (2) is also provided with a barb (21), the first inner conductor (1) is provided with an electric contact cylindrical surface (11) with the diameter of 1.6mm-2.4mm, and the electric contact cylindrical surface (11) is in contact fit with the inner surface of the slot (23) of the second inner conductor (2).

3. The POGO PIN coaxial connector for radio frequency of claim 1, wherein: the outer surface of the first inner conductor (1) is provided with a stop step (13), the end surface is provided with a stop leading-in inclined plane (14), and the end surface of a barb (21) on the second inner conductor (2) is provided with a barb leading-in inclined plane (22).

4. The POGO PIN coaxial connector for radio frequency of claim 3, wherein: the reverse hook (21) is clamped inside the stop step (13) of the first inner conductor (1).