CN216563804U

CN216563804U - Low electromagnetic leakage ultralow-distribution high-elasticity floating radio frequency connector

Info

Publication number: CN216563804U
Application number: CN202123340646.9U
Authority: CN
Inventors: 林海毅; 王志伟; 沙奔; 张�杰
Original assignee: Suzhou Huayang Aerospace Electric Co Ltd
Current assignee: Suzhou Huayang Aerospace Electric Co Ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-05-17
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a low-electromagnetic-leakage ultralow-matching high-elasticity floating radio frequency connector which comprises a wave spring, a first end cover and a second end cover, wherein the first end cover is used for connecting a PCB (printed circuit board) surface, the second end cover is used for connecting the PCB surface, one end of the wave spring is in contact with the first end cover, the other end of the wave spring is in contact with the second end cover, and a medium body is arranged in the middle of the wave spring; the shielding ring is sleeved on the dielectric body, an inner conductor is arranged in the dielectric body, the inner conductor is elastically installed in the dielectric body in a compression mode, one end of the inner conductor is abutted to the PCB panel connected to the first end cover, the other end of the inner conductor is abutted to the PCB panel connected to the second end cover, and real-time contact of two ends is achieved; the inner conductor and the outer conductor of the utility model are respectively provided with an elastic deformable structure to realize the floating function of the connector, the positioning structure of the cavity in the medium body and the size of the cavity provide positioning and guiding functions for the inner conductor, and the shielding ring reduces the leakage of electromagnetic signals.

Description

Low electromagnetic leakage ultralow-distribution high-elasticity floating radio frequency connector

Technical Field

The utility model relates to a low-electromagnetic-leakage ultralow-matching high-elasticity floating radio frequency connector, and belongs to the technical field of radio frequency floatable connectors.

Background

With the development of communication technology, communication components are also facing more and more miniaturized and intensive application environments. Among them is a popular connection mechanism that is high in mounting density and quick to mount board-to-board connectors. At present, a series of inter-board connecting mechanisms in different forms exist in the market, the conventional inter-board mechanism mostly uses three inter-board pieces to realize inter-board floating interconnection, and the inter-board interconnection is realized by two welding plate connectors and a floating adapter rod, but the interconnection mode has the requirement of relatively high inter-board distance, and the space utilization degree still has an optimized space. For this reason, a low profile rf connector structure would have great market potential.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defect that the distance between plates of a connector in the prior art is relatively high, and provides a low-electromagnetic-leakage ultralow-matching high-elasticity floating radio frequency connector.

A resilient floating radio frequency connector comprising:

the outer conductor comprises a wave spring, a first end cover and a second end cover, the first end cover is used for being connected with a PCB surface, the second end cover is used for being connected with the PCB surface, one end of the wave spring is in contact with the first end cover, the other end of the wave spring is in contact with the second end cover, and a dielectric body is arranged in the middle of the wave spring; the dielectric body cover is equipped with the shielding circle, the internal inner conductor that is equipped with of dielectric, inner conductor elastic compression installs in the dielectric body, just inner conductor one end is supported with the PCB panel of connecting on first end cover and is established, and the other end supports with the PCB panel of connecting on the second end cover and establishes, realizes the real-time contact of bi-polar.

Furthermore, the medium body is provided with an inner cavity matched with the inner conductor for guiding the inner conductor, and the inner cavity is provided with a connecting column fixed with the middle part of the inner conductor.

Furthermore, the end part of the shielding ring is provided with a first check ring, the first end cover is provided with a first barb connected with the check ring, and the first barb is used for limiting and conducting electricity with the first check ring.

Furthermore, the end part of the medium body is provided with a second check ring, the second end cover is provided with a second inverted hook connected with the second check ring, and the second inverted hook is used for limiting and conducting with the second check ring.

Further, the outer diameter of the medium body is in clearance fit with the inner diameter of the shielding ring.

Further, the height of the shielding ring is the same as that of the dielectric body.

Further, the wave spring adopts a spiral elastic structure.

Further, the inner conductor is of an elastic structure.

Furthermore, the elastic structure is formed by bending a conductive elastic sheet.

Furthermore, the first end cover and the second end cover are provided with positioning grooves matched with the PCB panel.

Compared with the prior art, the utility model has the following beneficial effects: the inner conductor and the outer conductor of the utility model both relate to elastic deformation structures to realize the floating function of the connector, the shielding ring reduces the leakage of electromagnetic signals, and the upper first end cover of the outer conductor ensures the uniformity of the stress of the wave spring and the reliability of the contact with two ends;

the utility model has the advantages of strong adaptability, high working reliability and good stability.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

in the figure: 1. a first end cap; 11. a first barb; 2. a wave spring; 3. a shielding ring; 31. a first retainer ring; 4. a dielectric body; 41. a second retainer ring; 5. an inner conductor; 6. a second end cap; 61. a second barb; 7. a cylinder.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1-3, an ultra-low-matching high-elasticity floating rf connector with low electromagnetic leakage is disclosed, which comprises:

the outer conductor comprises a wave spring 2, a first end cover 1 connected with the PCB panel and a second end cover 6 connected with the PCB panel, one end of the wave spring 2 is in contact with the first end cover 1, and the other end of the wave spring is in contact with the second end cover 6, so that the stress deformation stability and the double-end contact stability of the wave spring 2 are ensured; a medium body 4 is arranged in the middle of the wave spring 2; the shielding ring 3 is sleeved on the dielectric body 4, the inner conductor 5 is arranged in the dielectric body 4, the inner conductor 5 is elastically installed in the dielectric body 4 in a compression mode, one end of the inner conductor 5 abuts against a PCB panel connected to the first end cover 1, the other end of the inner conductor 5 abuts against a PCB panel connected to the second end cover 6, the first end cover 1 and the second end cover 6 can also be fixedly connected with the PCB panel according to installation conditions, and real-time contact of two ends is achieved; the wave spring 2 is designed into an elastic deformation structure, and the shielding ring 3 is designed outside the medium body 4 and used for reducing the leakage of electromagnetic signals and jointly realizing the high-quality transmission of radio frequency electromagnetic field signals; the wave spring 2 adopts an elastic deformation structure to ensure the elastic deformation, so that the real-time conduction of the first end cover 1 is realized, the function of the outer conductor of the radio frequency connector is realized, and the floating function is realized.

In this embodiment, the dielectric body 4 is provided with an inner cavity matched with the inner conductor 5, and is adjusted according to the structure of the inner conductor 5 to provide positioning and guiding functions for the inner conductor 5, wherein the inner cavity is provided with a connecting column 7, and the connecting column 7 supports the middle part of the inner conductor 5 to ensure the balance of the inner conductor 5 in the inner cavity.

A first check ring 31 is arranged at the end part of the shielding ring 3, a first barb 11 connected with the check ring 31 is arranged on the first end cover 1, the first barb 11 is used for limiting and conducting electricity with the first check ring 31, the shielding ring 3 is inserted into the first end cover 1, on one hand, the first barb 31 and the first barb 11 are used for limiting, and on the other hand, the first barb 11 is used for conducting electricity by contacting with the first check ring 31;

a second retaining ring 41 is arranged at the end part of the medium body 4, a second barb 61 connected with the second retaining ring 41 is arranged on the second end cover 6, and the second barb 61 is used for limiting and conducting with the second retaining ring 41; the dielectric body 4 is inserted into the second end cover 6, and is limited by the second retaining ring 41 and the second inverted hook 61 on one hand, and is conducted by the contact of the second retaining ring 41 and the second inverted hook 61 on the other hand;

in the present embodiment, the outer diameter of the dielectric body 4 is in clearance fit with the inner diameter of the shielding ring 3, so that the dielectric body 4 can move axially in the shielding ring 3, wherein the height of the dielectric body 4 is the same as that of the shielding ring 3;

in this embodiment, the inner conductor 5 is an elastic structure; the conductive elastic sheet is bent to form an elastic reset structure, so that real-time contact of two ends is guaranteed;

in the technical scheme, the wave spring 2 is of a spiral elastic structure, and the wave spring is made of materials with elastic modulus and similar spiral structures to guarantee certain elastic deformation, so that the floating function of the outer conductor is realized.

When the technical scheme is applied, the positioning grooves are designed on the upper PCB panel and the lower PCB panel to be matched with the upper first end cover of the connector, certain pressure is applied to ensure the reliability of connection, and meanwhile, the communication of electric signals between the boards is completed, or the first end cover 1 and the second end cover 6 are provided with the positioning grooves matched with the PCB panels.

The utility model has high working reliability and good stability, and has high-reliability electrical connection because the working pressure of the connector is required to be not lower than a certain value and no discontinuity point can be generated between the working state and the pressure.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. An elastic floating radio frequency connector, comprising:

the outer conductor comprises a wave spring (2), a first end cover (1) and a second end cover (6), the first end cover (1) is used for being connected with a PCB, the second end cover (6) is used for being connected with the PCB, one end of the wave spring (2) is in contact with the first end cover (1), the other end of the wave spring is in contact with the second end cover (6), and a dielectric body (4) is arranged in the middle of the wave spring (2); the utility model discloses a dielectric body, including dielectric body (4), inner conductor (5) are equipped with in the dielectric body (4), inner conductor (5) elastic compression installs in dielectric body (4), just inner conductor (5) one end is supported with the PCB panel of connecting on first end cover (1) and is established, and the other end supports with the PCB panel of connecting on second end cover (6) and establishes, realizes the real-time contact of bi-polar.

2. The elastic floating radio frequency connector according to claim 1, wherein the dielectric body (4) is provided with an inner cavity matched with the inner conductor (5) for guiding the inner conductor (5), and the inner cavity is provided with a connecting column (7) fixed with the middle part of the inner conductor (5).

3. The elastic floating radio frequency connector according to claim 1, wherein a first retainer ring (31) is arranged at the end of the shielding ring (3), the first end cover (1) is provided with a first barb (11) connected with the retainer ring (31), and the first barb (11) is used for limiting and conducting electricity with the first retainer ring (31).

4. The elastic floating radio frequency connector according to claim 1, wherein a second retaining ring (41) is arranged at the end of the dielectric body (4), a second barb (61) connected with the second retaining ring (41) is arranged on the second end cover (6), and the second barb (61) is used for limiting and conducting electricity with the second retaining ring (41).

5. A resilient floating rf connector according to claim 1, characterized in that the outer diameter of the dielectric body (4) is clearance fitted to the inner diameter of the shielding ring (3).

6. A resiliently floating rf connector according to claim 1, characterized in that the shield ring (3) has the same height as the dielectric body (4).

7. Elastic floating rf connector according to claim 1, characterized in that the wave spring (2) is of helical elastic construction.

8. The elastically floating rf connector of claim 1, wherein the inner conductor (5) is of an elastic construction.

9. The resiliently floating rf connector of claim 8, wherein the resilient structure is formed by a bend in the conductive spring.

10. The resilient floating rf connector of claim 1, wherein the first end cap (1) and the second end cap (6) are provided with detents to mate with a PCB panel.