WO2021077632A1

WO2021077632A1 - Connector male end assembly

Info

Publication number: WO2021077632A1
Application number: PCT/CN2020/070968
Authority: WO
Inventors: 王磊; 高昌燕
Original assignee: 信维通信（江苏）有限公司
Priority date: 2019-10-24
Filing date: 2020-01-08
Publication date: 2021-04-29
Also published as: CN211062980U

Abstract

A connector male end assembly (3), comprising a first base body (5) provided with a plurality of first signal terminals (7), and further comprising a shielding case (6) covering the first base body (5). The first base body (5) is further provided with a spacer (8). The spacer (8) is disposed between at least one set of two adjacent first signal terminals (7). The spacer (8) is communicated with the shielding case (6). Using the spacer (8) to replace a grounding terminal, using the spacer (8) to divide the interior of the shielding case (6) into a plurality of shielding areas, and positioning the signals terminals (7) having high isolation requirements in different shielding areas improve the shielding properties of the connector male end assembly (3), reduce the mutual interference between the signal terminals (7), and effectively ensure the electrical properties of the connector male end assembly (3).

Description

Connector male component

Technical field

The present invention relates to the technical field of radio frequency connectors, in particular to connector male end components.

Background technique

In existing radio frequency connectors, multiple signal terminals and multiple ground terminals are often provided on the base connecting the male end, and the ground terminals are provided between two adjacent signal terminals, but due to the ground terminal structure itself , The grounding terminal cannot completely isolate the signals on both sides of the terminal, resulting in a serious decline in shielding performance.

technical problem

The technical problem to be solved by the present invention is to provide a connector male end assembly with high isolation and good shielding performance. .

Technical solutions

In order to solve the above technical problems, the technical solution adopted by the present invention is: the connector male end assembly includes a first base body on which a plurality of first signal terminals are provided, and also includes a cover for covering the first base body In the shielding cover, a spacer is further provided on the first base body, and the spacer is provided between at least one group of adjacent two first signal terminals, and the spacer is conducted with the shielding cover.

Further, the number of the isolation plates is multiple, and the isolation plates are provided between any two adjacent first signal terminals.

Further, the shielding cover includes a top plate, and the top plate is welded to the top of the isolation sheet.

Further, both sides of the top plate are respectively provided with side plates extending downward, the bottom end of at least one of the side plates has a riveting plate bent and extending toward the inside, and the side plate, the top plate and the riveting plate form a frame Structure, the rear end of the first base body is fixed in the frame structure.

Further, the bottom ends of the two side plates are respectively provided with the riveting plates, and the two riveting plates are respectively welded to the spacers.

Further, the front end of the top plate has a front plate bent and extended downward, and both ends of the front plate respectively have guard plates bent and extended toward the rear end of the shielding cover.

Further, a card slot is provided on the protective plate, and a card block matching the card slot is provided on the first base body.

Further, both sides of the top plate are respectively provided with stop blocks bent and extended downward, and the stop blocks are located on the outer side of the protective plate.

Further, the front end of the spacer abuts the inner side of the front plate.

Further, it also includes a coaxial line, the rear end of the shielding cover is provided with a riveting claw connected to the network wire of the coaxial line by riveting, and the first signal terminal is electrically connected to the core wire of the coaxial line connection.

Beneficial effect

The beneficial effect of the present invention is that the isolation sheet is used to replace the ground terminal, and the isolation sheet is used to divide a plurality of shielding areas inside the shielding case. The signal terminals with high isolation requirements are located in different shielding areas, which improves the performance of the connector male end assembly. The shielding performance reduces the mutual interference between the signal terminals and effectively guarantees the electrical performance of the male end components of the connector.

Description of the drawings

FIG. 1 is a schematic structural diagram of a radio frequency connector assembly according to Embodiment 1 of the present invention;

2 is a schematic diagram of the structure of the male end of the connector in the radio frequency connector assembly according to the first embodiment of the present invention;

3 is a schematic structural diagram from another perspective of the male end of the connector in the radio frequency connector assembly according to the first embodiment of the present invention;

4 is a schematic diagram of the structure of the male end of the connector in the radio frequency connector assembly according to the first embodiment of the present invention (after the shielding cover is hidden);

5 is a schematic diagram of the structure of the connector female end in the radio frequency connector assembly according to the first embodiment of the present invention;

6 is a schematic structural diagram from another perspective of the connector female end in the radio frequency connector assembly of the first embodiment of the present invention;

7 is a schematic diagram of the structure of the circuit board in the radio frequency connector assembly according to the first embodiment of the present invention;

Label description:

1. Coaxial cable; 2. Circuit board; 3. Connector male end; 4. Connector female end; 5. First base body; 6. Shielding cover; 61. Top plate; 62. First laser welding spot; 63. Side plate; 64, riveting plate; 65, second laser welding point; 66, riveting claw; 67, front plate; 68, guard plate; 69, stop block; 7, first signal terminal; 8, spacer; 91. Card slot; 92. Card block; 93. First fastener; 94. Second fastener; 95. Third fastener; 10. Second substrate; 11. Shield frame; 12. Second signal terminal; , Welding foot; 14. Edge protection; 15, the third laser welding spot; 16, the pad; 17, the fourth fastener.

Embodiments of the present invention

In order to describe in detail the technical content, the achieved objectives and effects of the present invention, the following description will be given in conjunction with the embodiments and accompanying drawings.

1-7, the connector male end 3 assembly includes a first base body 5 on which a plurality of first signal terminals 7 are provided, and also includes a shield covering the first base body 5 Cover 6, the first base body 5 is further provided with a spacer 8, at least one set of adjacent two first signal terminals 7 is provided with the spacer 8 between the spacer 8 and the The shield 6 is turned on.

It can be seen from the above description that the beneficial effects of the present invention are: using spacers to replace ground terminals, and using spacers to divide multiple shielding areas inside the shielding case, signal terminals with high isolation requirements are located in different shielding areas, improving the connection The shielding performance of the connector male end component reduces the mutual interference between the signal terminals and effectively ensures the electrical performance of the connector male end component.

Further, the number of the isolation plates 8 is multiple, and the isolation plates 8 are provided between any two adjacent first signal terminals 7.

It can be seen from the above description that each first signal terminal can be isolated, which helps keep the signal integrity and improves the electrical performance of the connector male end component.

Further, the shielding cover 6 includes a top plate 61, and the top plate 61 is welded to the top of the isolation sheet 8.

It can be seen from the above description that the top plate can not only prevent interference signals from entering from the top of the connector male end assembly, but also prevent the battery from leaking from the top of the connector male end assembly, which will help further improve the anti-interference performance and shielding performance of the connector male end assembly . Welding the top plate and the spacer can make the spacer better grounded.

Further, both sides of the top plate 61 respectively have side plates 63 extending downward, and the bottom end of at least one of the side plates 63 has a riveting plate 64 that is bent and extended toward the inside. The side plates 63 and the top plate 61 The riveting plate 64 forms a frame structure, and the rear end of the first base body 5 is fixed in the frame structure.

It can be seen from the above description that the connecting structure of the shielding cover and the first base body is simple and the processing is convenient.

Further, the bottom ends of the two side plates 63 are respectively provided with the riveting plates 64, and the two riveting plates 64 are respectively welded to the spacers 8.

It can be seen from the above description that the isolation sheet and the shielding cover have good conduction stability, and the isolation sheet can be better grounded.

Further, the front end of the top plate 61 has a front plate 67 bent and extended downward, and both ends of the front plate 67 respectively have guard plates 68 bent and extended toward the rear end of the shielding cover 6.

It can be seen from the above description that the shielding cover can be formed by shearing, bending, and stretching a plate, with good structural stability.

Further, a card slot 91 is provided on the guard plate 68, and a card block 92 that matches with the card slot 91 is provided on the first base body 5.

It can be seen from the above description that the first base body and the shielding cover are easy to assemble.

Further, both sides of the top plate 61 are respectively provided with stop blocks 69 bent and extended downward, and the stop blocks 69 are located on the outer side of the guard plate 68.

It can be seen from the above description that the arrangement of the stop block can improve the structural stability of the male end assembly of the connector.

Further, the front end of the spacer 8 abuts the inner side of the front plate 67.

Further, it also includes a coaxial cable 1, the rear end of the shielding cover 6 is provided with a riveting claw 66 that is riveted to the network cable of the coaxial cable 1, and the first signal terminal 7 is connected to the coaxial cable. The core wires of line 1 are electrically connected.

Example one

1-7, the first embodiment of the present invention is: as shown in FIG. 1, the radio frequency connector assembly includes a connector male end assembly and a connector female end assembly, and the connector male end assembly includes a coaxial Line 1 and a connector male end 3, the connector male end 3 is electrically connected to the coaxial line 1, the connector female end assembly includes a circuit board 2 and a connector female end 4, the connector female end 4 is arranged on the circuit board 2 and connected to the circuit board 2, and the male end 3 of the connector is matched with the female end 4 of the connector.

2 to 4, the connector male end 3 includes a first base 5 and a shielding cover 6 covering the first base 5, and a plurality of first signal terminals 7 are provided on the first base 5 And spacer 8, at least one group of adjacent two signal terminals is provided with the spacer 8 between the spacer 8 and the shielding cover 6, the shielding cover 6 and the same The network cable of the axis 1 is connected, and the first signal terminal 7 is connected to the core wire of the coaxial cable 1. As a preferred manner, the number of the isolation plates 8 is multiple, and the isolation plates 8 are provided between any two adjacent first signal terminals 7.

As shown in FIG. 4, specifically, the spacer 8 and the first signal terminal 7 are respectively connected and fixed to the first base body 5 through an insert injection molding process. In this way, the structure of the male end 3 of the connector can be improved. The stability of the connector male end 3 can withstand multiple insertions and unplugging, which is beneficial to prolong the service life of the connector male end 3.

2 to 4, in order to ensure the stability of the conduction between the spacer 8 and the shielding cover 6, so that the spacer 8 can isolate the interference between two adjacent first signal terminals 7, the shielding cover 6 and The isolation sheet 8 is welded and conducted. Simply, the shielding cover 6 includes a top plate 61, and the top plate 61 and the isolation sheet 8 are connected by laser spot welding. As shown in FIG. 3, in this embodiment, the shielding cover The top plate 61 of 6 and the top of the isolation sheet 8 are welded and conducted through four first laser welding points 62. In detail, both sides of the top plate 61 respectively have side plates 63 extending downward, and the bottom end of at least one of the side plates 63 has a riveting plate 64 bent and extended toward the inside. The side plates 63 and the top plate 61 The riveting plate 64 forms a frame structure, and the rear end of the first base body 5 is fixed in the frame structure. In order to make the spacer 8 better grounded, the bottom of the spacer 8 and the riveting plate 64 are in contact and conduction. Preferably, the spacer 8 and the riveting plate 64 are welded and connected. In this embodiment, the bottom ends of the two side plates 63 respectively have the riveting plates 64, and the two riveting plates 64 are respectively welded to the spacers 8, as a preferred method, as shown in FIG. 2 , The bottom of the spacer 8 and the two riveting plates 64 are welded together by two second laser welding points 65, so that not only the spacer 8 and the two riveting plates 64 can be connected, but also It can also prevent the riveting plate 64 from loosening and affecting the stability of the connection between the first base body 5 and the shielding cover 6.

As shown in FIG. 2, the rear end of the shielding cover 6 is provided with a riveting claw 66 that is riveted and connected to the network cable of the coaxial line 1, and the front end of the top plate 61 has a front plate 67 that is bent and extended downward. , Both ends of the front plate 67 respectively have a guard plate 68 that is bent and extended in a direction close to the rear end of the shielding cover 6, the guard plate 68 is provided with a card slot 91, and the first base body 5 is provided with There is a clamping block 92 that is matched with the clamping slot 91. Preferably, the front plate 67 and the guard plate 68 respectively abut against the first base body 5. 2 and 5, specifically, the inner side of the protective plate 68 is provided with a first fastener 93, and the connector female end 4 is provided with a second fastener that cooperates with the first fastener 93 Of course, in order to improve the stability of the connection between the connector male end 3 and the connector female end 4, the first fastener 93 may also be provided on the inner side of the front plate 67. The first fastener 93 may optionally be raised.

As a preferred embodiment, the end of the protective plate 68 away from the front plate 67 is inserted into the frame structure formed by the side plate 63, the top plate 61, and the riveting plate 64. In this way, the shielding cover 6 can be improved. Structural stability.

Both sides of the top plate 61 are respectively provided with stop blocks 69 bent and extended downwards, the stop blocks 69 are located on the outside of the guard plate 68, and one end of the stop block 69 is connected to the side plate 63 . When the shield 68 is deformed toward the outside, the stopper 69 can play a certain stop function, thereby improving the structural stability of the male end 3 of the connector.

Optionally, the front end of the spacer 8 abuts the inner side of the front plate 67, and further, the front end of the spacer 8 is connected to the front plate 67 by spot welding.

As shown in FIG. 4, further, a third fastener 95 is provided on at least one side of the isolation sheet 8.

2 and 5, the connector female end 4 includes a plurality of second bases 10 and a plurality of shielding frames 11, the second base 10 is provided in the shielding frame 11, the second base 10 and the shielding frame 11 The frames 11 are arranged in one-to-one correspondence, the second base body 10 is provided with a second signal terminal 12 that matches the first signal terminal 7, and two adjacent shield frames 11 are respectively isolated from the same one. The sheet 8 is in contact and conduction. Preferably, there is only one second signal terminal 12 on each second base body 10. More preferably, the number of first signal terminals 7, the number of second signal terminals 12, and the number of shield frames 11 are equal, and the first signal terminals 7, second signal terminals 12, and shield frames 11 are arranged in a one-to-one correspondence.

As shown in FIG. 6, in order to further prevent signal leakage and signal interference, the solder feet 13 of the second signal terminal 12 are located in the shield frame 11, that is, the entire second signal terminal 12 is located in the shield frame 11. The part exposed to the outside of the shield frame 11.

5 and 6, in order to facilitate the assembly of the connector female end 4 and the circuit board 2, the two adjacent shielding frames 11 are fixedly connected, preferably the two adjacent shielding frames 11 are connected, optional Yes, the bottom end of the shield frame 11 has a protective edge 14 extending toward the outside, and two adjacent protective edges 14 are welded. In this embodiment, the protective edges 14 of the two adjacent shield frames 11 It is connected by six third laser welding points 15, wherein the bottom surface of the edge protection 14 has four third laser welding points 15, and the top surface of the edge protection has two third laser welding points 15. Preferably, the protective edge 14 is ring-shaped, and the circuit board 2 is provided with a ring-shaped pad 16 (as shown in FIG. 7) that cooperates with the protective edge 14, and the pad 16 is in contact with the The ground layer of the circuit board 2 is conductive. With such a structure, each area of the edge guard 14 can be connected to the circuit board 2, thereby improving the shielding effect of the shield frame 11 to a greater extent and reducing signal interference and signal leakage. Improve the electrical performance of RF connector components. In order to further improve the anti-signal interference capability of the radio frequency connector assembly, after the connector male end 3 and the connector female end 4 are connected, the bottom surface of the protective plate 68 abuts against the top surface of the protective edge 14. In other words, after the connector male end 3 and the connector female end 4 are connected, the matched first and second signal terminals are shielded by the double-layer shielding frame structure.

Please refer to Figure 2, Figure 4 and Figure 5, among the two adjacent shielding frames 11, at least one of the shielding frames 11 is provided with a fourth fastener that cooperates with the third fastener 95 on the outer side 17. Optionally, the third fastener 95 or the fourth fastener 17 is a convex point.

In summary, the connector male end assembly provided by the present invention has high isolation between signal terminals, good shielding performance, and excellent electrical performance; the structure is stable and the processing is convenient.

The above are only the embodiments of the present invention and do not limit the patent scope of the present invention. All equivalent transformations made using the content of the description and drawings of the present invention, or directly or indirectly applied in related technical fields, are included in the same reasoning. Within the scope of patent protection of the present invention.

Claims

The connector male end assembly includes a first base body on which a plurality of first signal terminals are provided, and is characterized in that it further includes a shielding cover covering the first base body, and the first base body is also An isolating sheet is provided, and the isolating sheet is arranged between at least one group of adjacent two first signal terminals, and the isolating sheet is in conduction with the shielding cover.
The connector male end assembly according to claim 1, wherein the number of the isolation plates is multiple, and the isolation plates are provided between any two adjacent first signal terminals.
The connector male end assembly according to claim 1, wherein the shielding cover comprises a top plate, and the top plate is welded to the top of the isolation sheet.
The connector male end assembly according to claim 3, wherein the two sides of the top plate respectively have side plates extending downward, and the bottom end of at least one of the side plates has a riveting extending toward the inside. The pressing plate, the side plate, the top plate and the riveting plate form a frame structure, and the rear end of the first base body is fixed in the frame structure.
4. The connector male end assembly according to claim 4, wherein the bottom ends of the two side plates respectively have the riveting plates, and the two riveting plates are respectively welded to the spacers.
The connector male end assembly according to claim 3, characterized in that: the front end of the top plate has a front plate that is bent and extended downward, and both ends of the front plate respectively have directions toward the rear end of the shielding cover. Bend the extended guard in the direction.
The connector male end assembly according to claim 6, wherein the protective plate is provided with a slot, and the first base body is provided with a locking block that matches with the slot.
The connector male end assembly according to claim 6, wherein the two sides of the top plate respectively have stop blocks bent and extended downward, and the stop blocks are located on the outer side of the protective plate.
7. The connector male end assembly of claim 6, wherein the front end of the spacer abuts the inner side of the front plate.
The connector male end assembly according to claim 1, further comprising a coaxial cable, the rear end of the shielding cover is provided with a riveting claw connected to the network cable of the coaxial cable by riveting, and The first signal terminal is electrically connected with the core wire of the coaxial wire.