CN216251216U

CN216251216U - Novel radio frequency floating connector

Info

Publication number: CN216251216U
Application number: CN202122901196.XU
Authority: CN
Inventors: 梁宝珠; 李晓楠; 李锦辉
Original assignee: Xian Elite Electronic Industrial Co Ltd
Current assignee: Xian Elite Electronic Industrial Co Ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-04-08
Anticipated expiration: 2031-11-24

Abstract

The utility model provides a novel radio frequency connector that floats, includes the shell, and the inside of shell is provided with the inner conductor subassembly along the axial, and the inner conductor subassembly includes first inner conductor, second inner conductor and sets up the spring between first inner conductor and second inner conductor, and the inside of shell is filled with insulating medium around the inner conductor subassembly, and the both ends face from the shell of first inner conductor and second inner conductor stretches out. The first inner conductor and the second inner conductor can be compressed until the ends are flush with two end faces of the housing. The spring is arranged in the bushing, and the bushing can limit the telescopic action of the spring to be kept in the axial direction. The spring of the utility model can provide continuous compression force for the two inner conductors, ensure that the floating inner conductors are tightly attached to the PCB, and realize stable and reliable signal transmission. The utility model can replace the interconnection form of the three connectors between the prior boards, can realize the connection between two PCBs by only one connector, is convenient to use and detect, and can save space and improve assembly efficiency.

Description

Novel radio frequency floating connector

Technical Field

The utility model relates to the technical field of electric connectors, in particular to a novel radio frequency floating connector.

Background

The floating mechanism of the existing floating connector is as follows: the inside conductor of the connector is additionally provided with the hair button part as a floating unit to realize the floating function, but the compression amount of the hair button is small, so that the floating amount of the floating connector is small, the hair button is expensive and easy to damage, in addition, the hair button is small in appearance and cannot be matched with an inner conductor with a large diameter to realize the floating function, the size of the inner conductor of the connector is limited, and the use requirement cannot be met when connecting the inner conductors with large requirement specifications. The mechanism of attachment of the buttons as floating units is shown in fig. 1. The floating amount of the existing hair button connector is generally 0.3mm, and the existing hair button connector cannot be compressed excessively, or the elasticity is lost, and meanwhile, the cost of the hair button part is high.

The existing connection between boards is mainly that two SMP-J connector 13 are arranged in two mounting boards 11, then one end of an SMP-KK adapter 12 is connected with one SMP-J connector 13, the other end is connected with the other SMP-J connector 13, finally the two mounting boards 11 are connected together, meanwhile, two PCB boards 14 at two ends are fixed with the two mounting boards 11, and the inner conductor of the connector is welded with the PCB board 14, thus completing the interconnection of the PCB boards 14 at two ends. The connection scheme needs three connectors, namely two SMP-J connector 13 and one SMP-KK adapter 12, and the three connectors are connected together, so that the occupied space is large, and two connection points are generated, which has certain influence on the overall reliability and performance. In addition, the connection of the three parts is complex in the actual assembling and processing processes, and the links of process control are also many, so that the period and the cost of the whole product are high. In addition, during the use or test process, because the PCBs 14 at the two ends are soldered to the inner conductors of the SMP-J connector 13, if a problem is found, the PCBs 14 can be detached by melting off the solder at the soldered portions of the PCBs 14 at the two ends, and then the whole system is inspected, which is troublesome to maintain.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solve the above problems in the prior art, and an object of the present invention is to provide a novel rf floating connector, which simplifies the connection process between boards, reduces the cost of the whole system, and makes the use and maintenance more convenient at a later stage.

In order to achieve the purpose, the utility model has the following technical scheme:

the utility model provides a novel radio frequency connector that floats, includes the shell, the inside of shell is provided with the inner conductor subassembly along the axial, the inner conductor subassembly include first inner conductor, second inner conductor and set up the spring between first inner conductor and second inner conductor, the inside of shell is filled with insulating medium around the inner conductor subassembly, and the both ends of first inner conductor and second inner conductor are stretched out from the both ends face of shell.

In a preferred embodiment of the present invention, the first inner conductor and the second inner conductor are compressible until the ends are flush with both end faces of the housing.

In a preferred embodiment of the present invention, the spring is disposed inside a bushing capable of restricting the spring from expanding and contracting and being held in the axial direction.

In a preferred embodiment of the present invention, the insulating medium includes a first insulating medium and a second insulating medium, the first insulating medium is distributed around the first inner conductor and the bushing, and the second insulating medium is distributed around the second insulating medium.

As a preferable aspect of the present invention, the inner wall of the housing is stepped, and the first insulating medium and the second insulating medium are filled to form a stepped structure.

In a preferred embodiment of the present invention, the tail portions of the first inner conductor and the second inner conductor are provided in a step shape, and the end surface diameter of the contact spring is large.

In a preferred embodiment of the present invention, end faces of the tail portions of the first and second inner conductors are formed as inclined surfaces, and the spring is connected to the inclined surfaces.

As a preferable scheme of the present invention, the housing is embedded in a cavity formed in the mounting plate, and the first inner conductor and the second inner conductor are compressed and then attached to the PCB at both sides of the mounting plate, and can be kept in an attached state with the PCB under the action of the spring.

Compared with the prior art, the utility model has the following beneficial effects:

be provided with the inner conductor subassembly along the axial in the inside of shell, the both ends of first inner conductor and second inner conductor stretch out from the both ends face of shell, the inner conductor subassembly passes through the spring and realizes first inner conductor, one end in the second inner conductor is floated or both ends float simultaneously, its floating amount is between 0.5mm to 1.2mm, the inner conductor exposes the diameter between 0.5mm to 1mm, and then the PCB board pad scope of adaptation with it is wider, when the in-service use, the spring can provide continuous compressive force for two inner conductors, guarantee that floating inner conductor and PCB board closely laminate, realize the reliable and stable transmission of signal. The utility model can replace the interconnection form of three connectors connected between the front boards, and the connection between the two PCBs can be realized through only one connector. The radio frequency floating connector with the structure is convenient to use and detect, can save space and improve assembly efficiency, and provides more selection schemes for users; the inner conductor floating unit is constructed by the spring, the main parts of the inner conductor floating unit are mature in technology and low in price in the market, other parts are simple to process, and the assembled radio frequency floating connector is stable and reliable in floating and lower in cost.

Furthermore, the end faces of the tail parts of the first inner conductor and the second inner conductor are processed into inclined planes, and the inclined planes are connected with the spring, so that the two inner conductors are favorably ensured to be in good contact with the inner wall of the bushing after the spring is pressed.

Drawings

FIG. 1 is a schematic view of a prior art button connector;

FIG. 2 is a schematic view of the connector assembly of the present invention;

FIG. 3 is a schematic view of the connector mounting plate construction of the present invention;

FIG. 4 is a schematic view of the connector of the present invention;

in the drawings: 11-a mounting plate; a 12-SMP-KK adapter; 13-SMP-J-head connectors; 14-a PCB board; 1-a housing; 2-a first inner conductor; 3-a second inner conductor; 4-a spring; 5-a first insulating medium; 6-a second insulating medium; 7-lining.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The connector of the present invention provides a more convenient form of connection than the prior art configuration of the hair button connector shown in fig. 1, as shown in fig. 4, while making the overall system more cost effective.

The specific structure of the utility model comprises a shell 1, an inner conductor assembly is arranged in the shell 1 along the axial direction, the inner conductor assembly comprises a first inner conductor 2, a second inner conductor 3 and a spring 4 arranged between the first inner conductor 2 and the second inner conductor 3, the spring 4 is arranged in a bushing 7, and the bushing 7 can limit the telescopic action of the spring 4 to be kept in the axial direction. In the embodiment, the tail portions of the first inner conductor 2 and the second inner conductor 3 are provided in a step shape, and the end surface diameter of the contact spring 4 is large. Meanwhile, the end faces of the tail portions of the first inner conductor 2 and the second inner conductor 3 are processed into inclined surfaces, and are connected with the spring 4 through the inclined surfaces.

The inside of the housing 1 is filled with an insulating medium around the inner conductor assembly, and both ends of the first inner conductor 2 and the second inner conductor 3 protrude from both end faces of the housing 1. Wherein the insulating medium comprises a first insulating medium 5 and a second insulating medium 6, the first insulating medium 5 being distributed around the first inner conductor 2 and the bushing 7, the second insulating medium 6 being distributed around the second insulating medium 6. The inner wall of the shell 1 is in a step shape, and the first insulating medium 5 and the second insulating medium 6 are filled to form a step structure.

As shown in fig. 2, the first inner conductor 2 and the second inner conductor 3 can be compressed until the ends are flush with both end faces of the housing 1. As shown in fig. 3, the housing 1 is embedded in a cavity formed in the mounting plate 11, the first inner conductor 2 and the second inner conductor 3 are compressed and then attached to the PCB 14 on both sides of the mounting plate 11, and can be kept in a state of being attached to the PCB 14 under the action of the spring 4. Therefore, in the mode of connection between boards, one radio frequency connector provided by the utility model can replace three original connectors, namely two SMP-J connector 13 and one SMP-KK adapter 12, the structure is simpler, and two inner conductors of the radio frequency connector provided by the utility model are in surface-mounted contact with the PCB 14 at two ends, so that the traditional welding mode is replaced, and the radio frequency connector is more convenient to use.

When the floating unit is assembled, the first inner conductor 2, the second inner conductor 3, the spring 4 and the bush 7 are assembled together, the right end of the bush 7 is riveted, the floating unit is formed, the floating unit is integrally installed in the first insulating medium 5 at the left end to be used as a part, meanwhile, the second insulating medium 6 at the right end is installed in the shell 1, and then the previous floating unit part is pressed into the shell 1, so that the spring floating unit can be clamped in a step hole of the second insulating medium 6 and cannot fall off, and the assembly is completed.

According to the utility model, the two inner conductors are designed to be step-shaped, the diameter of the end of the contact spring 4 is larger, and the end surface of the end of the contact spring 4 is designed to be an inclined surface, so that the inner conductors can be ensured to be well contacted with the inner wall of the bushing 7 after the spring 4 is pressed.

The radio frequency floating connector can replace the interconnection form of three connectors connected between front boards, and only one connector can realize the connection between two PCBs 14. The floating unit packaging body is constructed by the spring 4, so that one end or two ends of the inner conductor of the connector can float, the diameter and the floating amount of the inner conductor are larger, and the floating unit packaging body can be adapted to a PCB pad in a larger range.

The radio frequency floating connector is convenient to use and detect, can save space and improve assembly efficiency, and provides more selection schemes for users. The main parts of the utility model have mature technology and low price in the market, the other parts are simple to process, and the assembled radio frequency floating connector has stable and reliable floating and lower cost.

The floating quantity of the radio frequency floating connector is between 0.5mm and 1.2mm, the diameter of the inner conductor is between 0.5mm and 1mm, and the radio frequency floating connector is larger than the inner conductors of other connectors and can bear larger power.

The above-mentioned embodiments are only preferred embodiments of the present invention, and it should be understood by those skilled in the art that the present invention can be easily modified and replaced without departing from the spirit and principle of the present invention, and the modifications and replacements are also within the protection scope covered by the claims.

Claims

1. A novel radio frequency floating connector is characterized in that: including shell (1), the inside of shell (1) is provided with the inner conductor subassembly along the axial, the inner conductor subassembly include first inner conductor (2), second inner conductor (3) and set up spring (4) between first inner conductor (2) and second inner conductor (3), the inside of shell (1) is filled with insulating medium around the inner conductor subassembly, and the both ends of first inner conductor (2) and second inner conductor (3) are stretched out from the both ends face of shell (1).

2. The novel radio frequency floating connector according to claim 1, characterized in that: the first inner conductor (2) and the second inner conductor (3) can be compressed to the end parts which are flush with two end faces of the shell (1).

3. The novel radio frequency floating connector according to claim 1, characterized in that: the spring (4) is arranged in the bushing (7), and the bushing (7) can limit the telescopic action of the spring (4) to be kept in the axial direction.

4. The novel radio frequency floating connector according to claim 3, characterized in that: the insulating medium comprises a first insulating medium (5) and a second insulating medium (6), the first insulating medium (5) is distributed around the first inner conductor (2) and the lining (7), and the second insulating medium (6) is distributed around the second insulating medium (6).

5. The novel radio frequency floating connector according to claim 4, characterized in that: the inner wall of the shell (1) is of a step type, and a step type structure is formed after the first insulating medium (5) and the second insulating medium (6) are filled.

6. The novel radio frequency floating connector according to claim 1, characterized in that: the tail parts of the first inner conductor (2) and the second inner conductor (3) are arranged in a step shape, and the end surface diameter of the contact spring (4) is larger.

7. The novel radio frequency floating connector according to claim 1, characterized in that: the tail end faces of the first inner conductor (2) and the second inner conductor (3) are processed into inclined planes, and the inclined planes are connected with the spring (4).

8. The novel radio frequency floating connector according to claim 1, characterized in that: the outer shell (1) is embedded in a cavity formed in the mounting plate (11), the first inner conductor (2) and the second inner conductor (3) are attached to the PCB (14) on two sides of the mounting plate (11) after being compressed, and the outer shell can be kept in a close state with the PCB (14) under the action of the spring (4).