阅读说明：本技术 一种射频连接器 (Radio frequency connector ) 是由 王欢 于 2021-09-10 设计创作，主要内容包括：本发明属于电气连接设备技术领域,具体涉及一种射频连接器,包括底座,底座底部设有第一针脚,第一针脚与PCB板上开设的第一过孔构成插接配合；滑座,所述滑座与底座构成滑动配合,滑座内嵌有第一导电部；所述底座上设有第二导电部,第二导电部上设有第二针脚,所述第二针脚与PCB板上设置的第二过孔构成插接配合,所述第二过孔与PCB板上的微带线电连接；所述滑座上还设有导电滑片,导电滑片与第一导电部固接,导电滑片与第二导电部滑动连接。本发明在安装PCB板和同轴连接器时无需反复调整安装位置,提高了电气模块的组装效率。(The invention belongs to the technical field of electrical connection equipment, and particularly relates to a radio frequency connector which comprises a base, wherein a first pin is arranged at the bottom of the base and is in insertion fit with a first through hole formed in a PCB; the sliding seat and the base form sliding fit, and a first conductive part is embedded in the sliding seat; the base is provided with a second conductive part, the second conductive part is provided with a second pin, the second pin and a second via hole arranged on the PCB form a splicing fit, and the second via hole is electrically connected with the microstrip line on the PCB; the sliding seat is also provided with a conductive sliding sheet which is fixedly connected with the first conductive part and is in sliding connection with the second conductive part. The invention does not need to repeatedly adjust the installation position when installing the PCB and the coaxial connector, thereby improving the assembly efficiency of the electric module.)

1. A radio frequency connector, comprising:

the base is provided with a first pin for connecting the PCB at the bottom, and the first pin and a first via hole formed in the PCB are in insertion fit;

the sliding seat is in sliding fit with the base and made of an insulating material, and a first conductive part for inserting and connecting an inner conductor of the coaxial connector is embedded in the sliding seat; the coaxial connector is fixed on the module structural member; the sliding seat is arranged between the first station and the second station in a sliding mode along the axial direction of the coaxial connector, when the sliding seat is located at the first station, the first conducting part is separated from the inner conductor of the coaxial connector, and when the sliding seat is located at the second station, the first conducting part is inserted into the inner conductor of the coaxial connector;

the base is provided with a second conductive part, the second conductive part is provided with a second pin, the second pin and a second via hole arranged on the PCB form a splicing fit, and the second via hole is electrically connected with the microstrip line on the PCB;

the sliding seat is also provided with a conductive sliding sheet which is fixedly connected with the first conductive part and is in sliding connection with the second conductive part

The first pin comprises a fixed part and a movable part, the movable part is movably arranged along the length direction relative to the fixed part, a salient point is arranged at the lower end of the movable part, wedge surfaces matched with each other are arranged between the movable part and the fixed part, and when the movable part moves upwards relative to the fixed part, the movable part can bend and enable under the action of the wedge surfaces to deflect to the outer side of the edge of the first via hole.

2. The radio frequency connector of claim 1, wherein: and a linkage member is arranged between the sliding seat and the movable part and is assembled to drive the movable part to move upwards relative to the fixed part when the sliding seat moves from the first station to the second station.

3. The radio frequency connector of claim 2, wherein: the linkage component comprises a lifting support fixedly connected with the movable part, an elastic unit is arranged between the lifting part and the base, and the elastic unit is assembled to enable the elastic force of the elastic unit to drive the lifting support to move downwards relative to the base; the lifting support is provided with a buckle, the sliding seat is provided with a lug which is matched with the buckle in a blocking mode, and when the sliding seat reaches the second station, the lug can slide to the position below the buckle and lift the lifting support.

4. The radio frequency connector of claim 3, wherein: the movable part, the buckle, the elastic unit and the lifting support are integrally formed by punching metal plates, wherein the elastic unit is a U-shaped elastic sheet formed by bending part of the plate surface of the lifting support; the base is provided with a first limiting part which is in blocking connection with the end part of the U-shaped unit.

5. The radio frequency connector of claim 4, wherein: the lifting support is provided with a limiting hole, and the base is provided with a second limiting part in sliding fit with the limiting hole.

6. The radio frequency connector of claim 1, wherein: fixed part and base are by insulating material integral type injection moulding, and the base includes the U type body of level arrangement, and the both sides of the upper end of U type body are equipped with the protruding wall of stretching of the protruding arch that makes progress, and the two protruding one side symmetry that stretches the wall relative that is provided with the spout, the slide lower extreme is equipped with the lug, and the both sides of lug are equipped with the sand grip with spout sliding fit.

7. The radio frequency connector of claim 6, wherein: the first conductive part is an L-shaped hollow pipe, one end of the first conductive part is positioned at one end part of the sliding seat corresponding to the sliding direction, the other end of the first conductive part is positioned on the bottom surface of the bump, and the conductive sliding sheet is fixed at the end through a screw.

8. The radio frequency connector of claim 7, wherein: the second conductive part is U-shaped and is clamped on the inner wall of the U-shaped body; two ends of the conductive sliding sheet extend downwards in an inclined mode and are in sliding contact fit with two side walls of the second conductive part.

9. The radio frequency connector of claim 1, wherein: and the first through hole is in clearance fit with the first pin.

Technical Field

The invention belongs to the technical field of electrical connection equipment, and particularly relates to a radio frequency connector.

Background

In the electrical module, the general connection mode of the radio frequency circuit of the PCB board and the external radio frequency cable is: the coaxial connector is arranged on an electrical module structural member (generally, an electrical shell), and then the inner end of an inner conductor of the coaxial connector is electrically connected with the microstrip line on the PCB board in a welding mode. The operation mode is time-consuming and labor-consuming, and phenomena such as virtual connection, short circuit and the like are easy to occur. Therefore, some devices for realizing reliable connection between the coaxial cable and the PCB are designed in the prior art, and as shown in the figure, the devices generally have the problems of complex assembly process and high assembly precision requirement, and the problems need to be solved urgently.

Disclosure of Invention

The invention aims to provide a radio frequency connector which can realize quick connection between a coaxial connector and a PCB.

The technical scheme adopted by the invention is as follows:

a radio frequency connector comprising:

the base is provided with a first pin for connecting the PCB at the bottom, and the first pin and a first via hole formed in the PCB are in insertion fit;

the sliding seat is in sliding fit with the base and made of an insulating material, and a first conductive part for inserting and connecting an inner conductor of the coaxial connector is embedded in the sliding seat; the coaxial connector is fixed on the module structural member; the sliding seat is arranged between the first station and the second station in a sliding mode along the axial direction of the coaxial connector, when the sliding seat is located at the first station, the first conducting part is separated from the inner conductor of the coaxial connector, and when the sliding seat is located at the second station, the first conducting part is inserted into the inner conductor of the coaxial connector;

the base is provided with a second conductive part, the second conductive part is provided with a second pin, the second pin and a second via hole arranged on the PCB form a splicing fit, and the second via hole is electrically connected with the microstrip line on the PCB;

the sliding seat is also provided with a conductive sliding sheet which is fixedly connected with the first conductive part and is in sliding connection with the second conductive part.

The first pin comprises a fixed part and a movable part, the movable part is movably arranged along the length direction relative to the fixed part, a salient point is arranged at the lower end of the movable part, wedge surfaces matched with each other are arranged between the movable part and the fixed part, and when the movable part moves upwards relative to the fixed part, the movable part can bend and enable under the action of the wedge surfaces to deflect to the outer side of the edge of the first via hole.

And a linkage member is arranged between the sliding seat and the movable part and is assembled to drive the movable part to move upwards relative to the fixed part when the sliding seat moves from the first station to the second station.

The linkage component comprises a lifting support fixedly connected with the movable part, an elastic unit is arranged between the lifting part and the base, and the elastic unit is assembled to enable the elastic force of the elastic unit to drive the lifting support to move downwards relative to the base; the lifting support is provided with a buckle, the sliding seat is provided with a lug which is matched with the buckle in a blocking mode, and when the sliding seat reaches the second station, the lug can slide to the position below the buckle and lift the lifting support.

The movable part, the buckle, the elastic unit and the lifting support are integrally formed by punching metal plates, wherein the elastic unit is a U-shaped elastic sheet formed by bending part of the plate surface of the lifting support; the base is provided with a first limiting part which is in blocking connection with the end part of the U-shaped unit.

The lifting support is provided with a limiting hole, and the base is provided with a second limiting part in sliding fit with the limiting hole.

Fixed part and base are by insulating material integral type injection moulding, and the base includes the U type body of level arrangement, and the both sides of the upper end of U type body are equipped with the protruding wall of stretching of the protruding arch that makes progress, and the two protruding one side symmetry that stretches the wall relative that is provided with the spout, the slide lower extreme is equipped with the lug, and the both sides of lug are equipped with the sand grip with spout sliding fit.

The first conductive part is an L-shaped hollow pipe, one end of the first conductive part is positioned at one end part of the sliding seat corresponding to the sliding direction, the other end of the first conductive part is positioned on the bottom surface of the bump, and the conductive sliding sheet is fixed at the end through a screw.

The second conductive part is U-shaped and is clamped on the inner wall of the U-shaped body; two ends of the conductive sliding sheet extend downwards in an inclined mode and are in sliding contact fit with two side walls of the second conductive part.

And the first through hole is in clearance fit with the first pin.

The invention has the technical effects that:

the radio frequency connector is provided with the sliding component, when the coaxial connector and the PCB need to be connected, the PCB and the coaxial connector can be installed in place respectively, then the radio frequency connector is inserted into the PCB, and then the sliding component is pushed to enable the first conductive part in the radio frequency connector to be inserted into the inner conductor of the coaxial connector, so that the connection between the PCB and the coaxial connector can be achieved.

The invention has higher flexibility in installation, can adapt to the assembly error between the coaxial connector and the PCB, and is particularly characterized in that the adjustment can be carried out through the insertion depth of pins in the vertical z direction, the adjustment can be carried out through the sliding of the sliding seat in the horizontal y direction, and the adjustment can be carried out through the slight deformation of the pins in the horizontal x direction.

The invention realizes the locking of the pin by switching the sliding seat between different states, when the sliding seat is in the state shown in figures 1-5, the pin is in clearance fit with the PCB, thus the position of the radio frequency connector can be flexibly adjusted, the first conductive part is aligned with the inner conductor of the coaxial connector, and the pin can be driven to be locked when the first conductive part is inserted with the inner conductor of the coaxial connector, thereby the radio frequency connector and the PCB are reliably fixed.

Drawings

Fig. 1 is a schematic perspective view of a radio frequency connector according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of another perspective view of the rf connector according to the embodiment of the present invention;

FIG. 3 is a side view of a radio frequency connector provided by an embodiment of the present invention;

FIG. 4 is a front view of a radio frequency connector provided by an embodiment of the present invention;

FIG. 5 is a sectional view A-A of FIG. 4;

fig. 6 is a schematic perspective view of another state of the rf connector according to the embodiment of the present invention;

fig. 7 is a side view of the rf connector in the state shown in fig. 6.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the accompanying examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.

As shown in fig. 1 to 7, a radio frequency connector includes a base 10, a first pin 11 for connecting a PCB is disposed at the bottom of the base 10, and the first pin 11 and a first via hole formed on the PCB form an insertion fit; the sliding seat 20 is in sliding fit with the base 10, the sliding seat 20 is made of an insulating material, and a first conductive part 21 for plugging an inner conductor of a coaxial connector is embedded in the sliding seat 20; the coaxial connector is fixed on the module structural member; the sliding base 20 is arranged between a first station and a second station in a sliding mode along the axial direction of the coaxial connector, when the sliding base 20 is located at the first station, the first conducting part 21 is separated from the inner conductor of the coaxial connector, and when the sliding base 20 is located at the second station, the first conducting part 21 is plugged with the inner conductor of the coaxial connector; a second conductive part 12 is arranged on the base 10, a second pin 121 is arranged on the second conductive part 12, the second pin 121 and a second via hole arranged on the PCB form a plug-in fit, and the second via hole is electrically connected with a microstrip line on the PCB; the slider 20 further has a conductive sliding piece 211, the conductive sliding piece 211 is fixedly connected to the first conductive portion 21, and the conductive sliding piece 211 is slidably connected to the second conductive portion 12. When the coaxial connector and the PCB are required to be connected, the PCB and the coaxial connector can be installed in place respectively, then the radio frequency connector is inserted on the PCB and keeps the state shown in the figures 1-5, and then the sliding seat 20 is pushed to enable the first conductive part 21 in the sliding seat to be inserted with the inner conductor of the coaxial connector, so that the connection between the PCB and the coaxial connector can be realized, namely the state shown in figures 6 and 7; the invention has higher flexibility in installation, can adapt to the assembly error between the coaxial connector and the PCB, and is particularly characterized in that the adjustment can be carried out through the insertion depth of pins in the vertical z direction, the adjustment can be carried out through the sliding of the sliding seat 20 in the horizontal y direction, and the adjustment can be carried out through the slight deformation of the pins in the horizontal x direction.

Specifically, as shown in fig. 3 and 7, the first pin 11 includes a fixed portion 112 and a movable portion 111, the movable portion 111 is movably disposed along a length direction with respect to the fixed portion 112, a protruding point 113 is disposed at a lower end of the movable portion 111, and wedge surfaces that are mutually matched are disposed between the movable portion 111 and the fixed portion 112, when the movable portion 111 moves upward with respect to the fixed portion 112, the movable portion 111 can bend under the action of the wedge surfaces and make the protruding point 113 offset to an outer side of an edge of the first via hole. And the first through hole is in clearance fit with the first pin 11. A linkage member is provided between the slide 20 and the movable portion 111, and is configured to drive the movable portion 111 to move upward relative to the fixed portion 112 when the slide 20 moves from the first position to the second position. The linkage member comprises a lifting support 13 fixedly connected with the movable part 111, an elastic unit 131 is arranged between the lifting part and the base 10, and the elastic unit 131 is assembled to enable the elastic force thereof to drive the lifting support 13 to move downwards relative to the base 10; the lifting support 13 is provided with a buckle 132, the slide carriage 20 is provided with a projection 22 which is matched with the buckle 132 in a blocking manner, and when the slide carriage 20 reaches the second station, the projection 22 can slide to the position below the buckle 132 and lift the lifting support 13. The invention realizes the locking of the pins by switching the sliding seat 20 between different states, when the sliding seat 20 is in the state shown in fig. 1-5, the pins and the PCB are in clearance fit, so the position of the radio frequency connector can be flexibly adjusted, the first conductive part 21 is aligned with the inner conductor of the coaxial connector, and the pins can be driven to be locked when the first conductive part 21 is plugged with the inner conductor of the coaxial connector, thereby the radio frequency connector and the PCB are reliably fixed.

Preferably, the movable portion 111, the buckle 132, the elastic unit 131 and the lifting bracket 13 are integrally formed by punching a metal plate, wherein the elastic unit 131 is a U-shaped elastic sheet formed by bending a part of the plate surface of the lifting bracket 13; the base 10 is provided with a first limiting part 101 which is in blocking connection with the end part of the U-shaped unit. The lifting support 13 is provided with a limiting hole 133, and the base 10 is provided with a second limiting part 102 which is in sliding fit with the limiting hole 133. The fixing portion 112 and the base 10 are formed by injection molding of an insulating material in an integrated manner, the base 10 includes a U-shaped body horizontally arranged, protruding walls protruding upwards are arranged on two sides of the upper end of the U-shaped body, sliding grooves are symmetrically formed in the opposite surfaces of the two protruding walls, a protruding block 22 is arranged at the lower end of the sliding seat 20, and protruding strips in sliding fit with the sliding grooves are arranged on two sides of the protruding block 22.

As shown in fig. 5, the first conductive part 21 is an L-shaped hollow tube, one end of the first conductive part 21 is located at one end of the slider 20 corresponding to the sliding direction, the other end of the first conductive part 21 is located on the bottom surface of the bump 22, and the conductive sliding piece 211 is fixed at the end by a screw. The second conductive part 12 is U-shaped, and the second conductive part 12 is clamped on the inner wall of the U-shaped body; two ends of the conductive sliding piece 211 extend obliquely downwards and form sliding contact fit with two side walls of the second conductive part 12. The conductive sliding piece 211 always keeps a certain elastic deformation, so as to ensure that the first conductive part 21 and the second conductive part 12 are always effectively conducted in the sliding process of the sliding base 20.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.