CN210838323U

CN210838323U - Improved VPX20 connector

Info

Publication number: CN210838323U
Application number: CN201921582540.XU
Authority: CN
Inventors: 钱志良
Original assignee: Guangdong Mingze Feng Electronics Co ltd
Current assignee: Guangdong Mingze Feng Electronics Co ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-06-23
Anticipated expiration: 2029-09-23

Abstract

The utility model relates to the technical field of connectors, in particular to an improved VPX20 connector, which comprises a male end and a female end, wherein the male end comprises a shell, a plurality of PCB boards and a plurality of male end terminals, and the female end comprises a base and a plurality of female end terminals arranged on the base; the PCB is made of MEGTRON6 material and is arranged in the shell, the PCB is provided with a first bonding pad and a second bonding pad, the first bonding pad protrudes out of the shell, the male terminal penetrates through the shell and is clamped with the second bonding pad, and the first bonding pad and the second bonding pad are both provided with metalized through holes; the female terminal passes through the base and is connected with the first bonding pad. The utility model adopts MEGTRON6 material to reduce the insertion loss; by providing metallized vias in the first and second pads. The utility model discloses a VPX20 connector can effectively reduce and crosstalk, improves transmission quality.

Description

Improved VPX20 connector

Technical Field

The utility model belongs to the technical field of the connector technique and specifically relates to indicate an improved VPX20 connector.

Background

The VPX series connector is a core component in the field of national military informatization at present and in the future, with the development of technology, the requirement of the information era for data transmission is higher and higher, and the VPX series connector on the market at present has crosstalk, and the transmission quality is poor. Therefore, there is a need to optimize the structure of the VPX serial connector to reduce transmission crosstalk and improve transmission quality.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, provide a VPX20 connector of improvement, the effect, can effectively reduce and crosstalk to improve transmission quality.

The utility model adopts the following technical scheme: an improved VPX20 connector comprises a male end and a female end, wherein the male end comprises a shell, a plurality of PCBs and a plurality of male end terminals, and the female end comprises a base and a plurality of female end terminals arranged on the base; the PCB is made of MEGTRON6 material and is arranged in the shell, the PCB is provided with a first bonding pad and a second bonding pad, the first bonding pad protrudes out of the shell, the male terminal penetrates through the shell and is clamped with the second bonding pad, and the first bonding pad and the second bonding pad are both provided with metalized through holes; the female terminal passes through the base and is connected with the first bonding pad.

Furthermore, the shell comprises an upper shell and a lower shell which are clamped, the male terminal penetrates through the upper shell and is clamped with the second bonding pad, and the first bonding pad of the PCB protrudes out of the lower shell.

Furthermore, the lower shell is provided with a plurality of clamping blocks, and the upper shell is provided with a plurality of clamping holes used for being clamped with the clamping blocks.

Further, the base joint has a plurality of inserts, and female end terminal is installed in the inserts, and the base is worn out and is connected with first pad to the one end of female end terminal, and the inserts is worn out to the other end of female end terminal.

Furthermore, the male terminal is provided with a clamp part and a fisheye part, and the clamp part is connected with the fisheye part.

Further, the base is made of plastic.

Furthermore, the shell is provided with a plurality of guide needles.

The utility model has the advantages that: the PCB is made of MEGTRON6 material, so that the insertion loss is reduced; the metalized through holes are formed in the first bonding pad and the second bonding pad, so that the grounding connectivity is improved, the shielding effect is improved, the crosstalk between adjacent differential pairs is reduced, and the transmission quality of the connector is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an explosion structure diagram of the upper casing and the lower casing of the present invention.

Fig. 3 is a schematic structural view of the housing and the base according to the present invention.

Fig. 4 is a schematic structural view of the PCB board of the present invention.

Fig. 5 is a schematic structural view of the male terminal of the present invention.

The reference signs are: 1-clamping the hole; 2-a second pad; 3-a shell; 4-a PCB board; 5-male terminal; 6-a base; 7-female terminal; 8-an insert; 9-a first pad; 10-metallized vias; 11-a clip portion; 12-fish eyes; 13-a cartridge; 14-a guide needle; 15-an upper shell; 16-lower shell.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following embodiments and accompanying drawings.

As shown in fig. 1 to 5, an improved VPX20 connector is characterized in that: the PCB connector comprises a male end and a female end, wherein the male end comprises a shell 3, a plurality of PCBs 4 and a plurality of male end terminals 5, and the female end comprises a base 6 and a plurality of female end terminals 7 arranged on the base 6; the PCB 4 is made of MEGTRON6 material, the PCB 4 is arranged on the shell 3, the PCB 4 is provided with a first bonding pad 9 and a second bonding pad 2, the first bonding pad 9 protrudes out of the shell 3, the male terminal 5 penetrates through the shell 3 and is clamped with the second bonding pad 2, and the first bonding pad 9 and the second bonding pad 2 are both provided with metalized through holes 10; the female terminal 7 is connected to the first land 9 through the mount 6. Specifically, the material MEGTRON6 refers to a resin-based copper-clad plate MEGTRON6, so that the dielectric constant and the loss factor are improved, the insertion loss of the connector is effectively reduced, and the effect of improving the transmission rate of the connector is realized. The first bonding pad 9 and the second bonding pad 2 are provided with the metalized through holes 10, so that the effect of improving the heat dissipation efficiency is achieved, and the effect of improving the transmission rate of the connector is achieved.

As shown in fig. 2, in the present embodiment, the housing 3 includes an upper housing 15 and a lower housing 16, the upper housing 15 and the lower housing 16 are clamped, the male terminal 5 passes through the upper housing 15 and is clamped with the second pad 2, and the first pad 9 of the PCB 4 protrudes out of the lower housing 16. The upper shell 15 and the lower shell 16 are arranged to facilitate the disassembly of the shell 3, and play a role in facilitating the installation of the PCB 4.

As shown in fig. 2, in the present embodiment, the lower shell 16 is provided with a plurality of latch blocks 17, and the upper shell 15 is provided with a plurality of latch holes 1 for latching with the latch blocks 17. The stability of the shell 3 is improved by matching the clamping block 17 with the clamping hole 1.

As shown in fig. 1 and 3, in this embodiment, the base 6 is clamped with a plurality of inserts 8, the female terminal 7 is installed on the inserts 8, one end of the female terminal 7 penetrates through the base 6 and is connected with the first pad 9, and the other end of the female terminal 7 penetrates through the inserts 8. The insert 8 has the effect of stabilizing the female terminal 7 and preventing the female terminal 7 from falling out.

As shown in fig. 5, in the present embodiment, the male terminal 5 is provided with a clip portion 11 and a fisheye portion 12, and the clip portion 11 is connected to the fisheye portion 12. The clip portion 11 is used for clipping with the second pad 2. The fisheye part 12 is designed into a fisheye shape to improve the characteristic impedance matching, so that the reflection of signals in the transmission process is reduced, the return loss of the product is improved, and the purpose of improving the transmission rate of the connector is achieved.

In this embodiment, the base 6 is made of plastic. This serves to reduce insertion loss.

In the present embodiment, as shown in fig. 1, the housing 3 is provided with a plurality of guide pins 18. The guide pin 18 plays a role in installation and fixation.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.

Claims

1. An improved VPX20 connector, comprising: the PCB connector comprises a male end and a female end, wherein the male end comprises a shell (3), a plurality of PCBs (4) and a plurality of male end terminals (5), and the female end comprises a base (6) and a plurality of female end terminals (7) arranged on the base (6); the PCB (4) is made of MEGTRON6, the PCB (4) is arranged in the shell (3), the PCB (4) is provided with a first bonding pad (9) and a second bonding pad (2), the first bonding pad (9) protrudes out of the shell (3), the male terminal (5) penetrates through the shell (3) and is clamped with the second bonding pad (2), and the first bonding pad (9) and the second bonding pad (2) are both provided with metalized through holes (10); the female terminal (7) passes through the base (6) and is connected with the first pad (9).

2. An improved VPX20 connector according to claim 1, wherein: the shell (3) comprises an upper shell (15) and a lower shell (16), the upper shell (15) and the lower shell (16) are clamped, the male terminal (5) penetrates through the upper shell (15) and is clamped with the second bonding pad (2), and the first bonding pad (9) of the PCB (4) protrudes out of the lower shell (16).

3. An improved VPX20 connector according to claim 2, wherein: the lower shell (16) is provided with a plurality of clamping blocks (17), and the upper shell (15) is provided with a plurality of clamping holes (1) which are used for being clamped with the clamping blocks (17).

4. An improved VPX20 connector according to claim 3, wherein: base (6) joint has a plurality of inserts (8), and the one end and the inserts (8) of female end terminal (7) are connected, and base (6) and be connected with first pad (9) are worn out to the one end of female end terminal (7), and inserts (8) are worn out to the other end of female end terminal (7).

5. An improved VPX20 connector according to any one of claims 1-4, wherein: the male terminal (5) is provided with a clamp part (11) and a fisheye part (12), and the clamp part (11) is connected with the fisheye part (12).

6. An improved VPX20 connector according to claim 5, wherein: the base (6) is made of plastic.

7. An improved VPX20 connector according to claim 6, wherein: the shell (3) is provided with a plurality of guide needles (18).