CN218040080U

CN218040080U - PCIe connector

Info

Publication number: CN218040080U
Application number: CN202221855424.2U
Authority: CN
Inventors: 宋璐; 岑燎炬; 刘振华
Original assignee: FCI Connectors Dongguan Co Ltd
Current assignee: FCI Connectors Dongguan Co Ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-12-13
Anticipated expiration: 2032-07-06

Abstract

The utility model provides a PCIe connector, which comprises a connector plastic shell, a plurality of groups of matched signal terminals, grounding terminals and a plurality of groups of matched power terminals, wherein the plurality of groups of matched signal terminals, grounding terminals and power terminals are arranged in the connector plastic shell; and corresponding cables are welded on the signal terminals and the grounding terminals. The utility model discloses through welding a plurality of power terminals on the PCB board, and signal terminal and ground terminal do not weld with the PCB board, through being connected with the cable, thereby avoid laying wire on the PCB board, reduce the connector cost of manufacture; the utility model ensures the conductive plastic to contact with the grounding terminal through the convex hull, thereby playing the role of improving crosstalk; the utility model discloses the independent injection moulding of electrically conductive plastic, then assemble the back stopper in, compare secondary moving mould investment still less, the structure is simpler, and the cost is lower, all links into a whole with all ground terminal, has showing the effect to improving nearly cluster.

Description

PCIe connector

Technical Field

The utility model belongs to the technical field of the connector technique and specifically relates to a PCIe connector.

Background

At present, server products have been widely used in the internet industry, financial industry, government departments, and other scenes, which benefit from the high performance, reliability, and stability of the server products. The PCIE connector is an important slot on the motherboard of the server, and is a core component of the server with high performance computing capability.

Currently, a plurality of PCIE connectors are usually designed for a server motherboard to cooperate with high-speed computation of a CPU.

Usually, the bottom of the PCIE connector needs one PCB, all terminals on the PCIE connector are soldered on the PCB, and then signal transmission is realized by soldering wires on the back of the PCB, however, since the PCB wiring is complex, the manufacturing cost is impracticably increased by applying the PCB, and for large-scale production, the cost problem is always a problem to be solved urgently in the industry.

Disclosure of Invention

To the deficiency of the prior art, the utility model provides a PCIe connector.

The technical scheme of the utility model is that: a PCIe connector comprises a connector plastic shell, a plurality of groups of matched signal terminals, grounding terminals and a plurality of groups of matched power terminals, wherein the plurality of groups of matched signal terminals, grounding terminals and power terminals are arranged in the connector plastic shell; and corresponding cables are welded on the signal terminals and the grounding terminals.

Preferably, the connector plastic shell in still be provided with electrically conductive plastic and back stopper, electrically conductive plastic detachable set up in the back stopper, just electrically conductive plastic and ground terminal contact.

Preferably, connector plastic housing lower extreme be provided with a plurality of spliced poles, the spliced pole insert in the PCB board, and connector plastic housing both ends still be provided with corresponding connecting seat, the connecting seat pass through the bolt and be connected with the PCB board.

Preferably, the connector plastic shell upper end be provided with the slot of bar, the slot in be provided with the baffle, divide into 2 parts through the baffle with the slot, two parts correspond signal terminal and power terminal part respectively.

Preferably, the lower end of the connector plastic shell is further provided with a plurality of connecting rods used for being connected with the rear plug.

Preferably, the power supply terminal comprises a power supply terminal body, one end of the power supply terminal body is provided with a fisheye-shaped welding end, the other end of the power supply terminal body is provided with a power supply terminal connecting arm, one end of the power supply terminal connecting arm is provided with a power supply terminal contact end, and the power supply terminal contact end is of a Z-shaped structure.

Preferably, the signal terminal comprises a signal terminal body, one end of the signal terminal body is provided with a signal terminal contact end, the other end of the signal terminal body is provided with a signal terminal connecting arm, and the signal terminal connecting arm is used as a welding part to weld a cable.

Preferably, the two side walls of the signal terminal connecting arm of the signal terminal are also provided with bumps which are matched with the connector plastic shell.

Preferably, the structure of the ground terminal is similar to that of the signal terminal, and the ground terminal connecting arm of the ground terminal is further provided with a convex hull for contacting with the conductive plastic.

Preferably, the conductive plastic is arranged in a connector plastic shell at the lower ends of the two groups of power terminal assemblies, and the conductive plastic comprises a conductive plastic body and contact arms symmetrically arranged on two sides of the conductive plastic.

Preferably, the rear plug comprises a rear plug body, a plurality of support plates are symmetrically arranged on the rear plug body, and the power terminal main body is located on the outer side of the support plates.

The utility model has the advantages that:

1. the utility model discloses a plurality of power terminals are in PCB board welding, and signal terminal and ground terminal are not in PCB board welding, through being connected with the cable, thereby avoid laying wire on the PCB board, reduce the connector cost of manufacture;

2. the utility model ensures the conductive plastic to contact with the grounding terminal through the convex hull, thereby playing the role of improving crosstalk;

3. the utility model discloses the independent injection moulding of electrically conductive plastic, then assemble the back stopper in, compare secondary Molding die investment still less, the structure is simpler, and the cost is lower, all links into a whole with all ground terminal, has apparent effect to improving nearly cluster.

Drawings

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

fig. 2 is another schematic structural diagram of the connector of the present invention;

FIG. 3 is a schematic structural view of the plastic housing of the connector of the present invention;

fig. 4 is another schematic structural diagram of the plastic housing of the connector of the present invention;

FIG. 5 is a schematic view of the plastic housing of the hidden connector of the present invention;

fig. 6 is a schematic structural diagram of the power terminal of the present invention;

fig. 7 is a schematic structural view of the signal terminal of the present invention;

fig. 8 is a schematic structural diagram of the ground terminal of the present invention;

fig. 9 is a schematic structural view of the rear plug and the conductive plastic of the present invention;

in the figure, 1-connector plastic housing, 2-power terminals, 3-signal terminals, 4-PCB board, 5-conductive plastic, 6-rear plug;

11-connecting column, 12-connecting seat, 13-slot, 14-clapboard and 15-connecting rod;

21-a power supply terminal body, 22-a fisheye-shaped welding end, 23-a power supply terminal connecting arm and 24-a power supply terminal contact end;

35-signal terminal body, 36-signal terminal contact end, 37-signal terminal connecting arm, 38-convex hull, 39-convex block;

51-conductive plastic body, 52-contact arm;

61-rear plug body, 62-support plate.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

as shown in fig. 1-2 and 5, the present embodiment provides a PCIe connector, which includes a connector plastic housing 1, and multiple sets of matched power terminals 2 and multiple sets of matched signal terminals 3 and ground terminals, which are disposed in the connector plastic housing 1, where the lower ends of the power terminals 2 are further welded to a PCB 4; and corresponding cables are welded on the signal terminal 3 and the grounding terminal.

Preferably as this embodiment, connector plastic housing 1 in still be provided with electrically conductive plastic 5 and back stopper 6, electrically conductive plastic 5 detachable set up in back stopper 6, just electrically conductive plastic 5 and ground terminal contact.

As the preferred embodiment, as shown in fig. 3 and 4, the lower end of the connector plastic housing 1 is provided with a plurality of connecting posts 11, the connecting posts 11 are inserted into the PCB 4, and the two ends of the connector plastic housing 1 are further provided with corresponding connecting seats 12, and the connecting seats 12 are connected with the PCB 4 through bolts.

Preferably, as shown in fig. 3 and 4, the connector plastic housing 1 is provided with a strip-shaped slot 13 at the upper end, a partition 14 is provided in the slot 13, the slot 13 is divided into 2 parts by the partition 14, and the two parts respectively correspond to the power terminal 2 and the signal terminal 32.

Preferably, as shown in fig. 3 and 4, the connector plastic shell 1 is further provided with a plurality of connecting rods 15 at the lower end thereof for connecting with the rear plug 6.

As shown in fig. 6, the power supply terminal 2 of the present embodiment preferably includes a power supply terminal body 21, one end of the power supply terminal body 21 is provided with a fisheye-shaped soldering terminal 22, the other end of the power supply terminal body 21 is provided with a power supply terminal connecting arm 23, one end of the power supply terminal connecting arm 23 is provided with a power supply terminal contact end 24, and the power supply terminal contact end 24 is of a Z-shaped structure.

As shown in fig. 7 and 8, the signal terminal 3 of the present embodiment preferably includes a signal terminal body 35, one end of the signal terminal body 35 is provided with a signal terminal contact end 36, the other end of the signal terminal body 35 is provided with a signal terminal connecting arm 37, and the signal terminal connecting arm 37 is used as a soldering portion for soldering a cable.

Preferably, the two side walls of the signal terminal connecting arms 37 of the signal terminals 3 are further provided with bumps 39 for matching with the connector plastic shell 1.

As shown in fig. 7 and 8, the structure of the ground terminal is similar to that of the signal terminal 2, and the terminal connecting arm 37 of the ground terminal is further provided with a convex hull 38 for contacting with the conductive plastic 5.

As shown in fig. 9, the conductive plastic 5 is disposed in the connector plastic housing 1 at the lower ends of the two sets of signal terminals 3, and the conductive plastic 5 includes a conductive plastic body 51 and contact arms 52 symmetrically disposed at two sides of the conductive plastic body 51.

Preferably, as shown in fig. 9, the rear plug 6 includes a rear plug body 61, a plurality of support plates 62 are symmetrically disposed on the rear plug body 61, and the signal terminal main bodies 31 are located outside the support plates 62.

The foregoing embodiments and description have been provided to illustrate the principles and preferred embodiments of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.

Claims

1. A PCIe connector, characterized in that: the connector comprises a connector plastic shell (1), and a plurality of groups of matched power terminals (2), a plurality of groups of matched signal terminals (3) and ground terminals which are arranged in the connector plastic shell (1), wherein the lower ends of the power terminals (2) are welded with a PCB (printed circuit board) board (4); corresponding cables are welded on the signal terminal (3) and the grounding terminal;

connector plastic casing (1) in still be provided with electrically conductive plastic (5) and back stopper (6), electrically conductive plastic (5) detachable set up in back stopper (6), just electrically conductive plastic (5) contact with the ground terminal of signal terminal (3).

2. The PCIe connector of claim 1, wherein: connector plastic housing (1) lower extreme be provided with a plurality of spliced poles (11), spliced pole (11) insert in PCB board (4), and connector plastic housing (1) both ends still be provided with corresponding connecting seat (12), connecting seat (12) be connected with PCB board (4) through the bolt.

3. The PCIe connector of claim 2, wherein: the lower end of the connector plastic shell (1) is also provided with a plurality of connecting rods (15) used for being connected with the rear plug (6).

4. The PCIe connector of claim 3, wherein: connector plastic housing (1) upper end be provided with slot (13) of bar, slot (13) in be provided with baffle (14), divide into 2 parts through baffle (14) with slot (13), two parts correspond power supply terminal (2) and signal terminal (3) part respectively.

5. The PCIe connector of claim 1, wherein: the power supply terminal (2) include power supply terminal body (21), power supply terminal body (21) one end be provided with fisheye type welding end (22), the other end of power supply terminal body (21) be provided with power supply terminal connecting arm (23), the one end of power supply terminal connecting arm (23) have power supply terminal contact jaw (24), power supply terminal contact jaw (24) be Z type structure.

6. The PCIe connector of claim 1, wherein: the signal terminal (3) comprises a signal terminal body (35), a signal terminal contact end (36) is arranged at one end of the signal terminal body (35), a signal terminal connecting arm (37) is arranged at the other end of the signal terminal body (35), and the signal terminal connecting arm (37) serves as a welding part to weld a cable.

7. The PCIe connector of claim 6, wherein: and bumps (39) matched with the connector plastic shell (1) are also arranged on the two side walls of the signal terminal connecting arms (37) of the signal terminals (3).

8. The PCIe connector of claim 1, wherein: the structure of the grounding terminal is similar to that of the signal terminal (3), and a convex hull (38) used for being in contact with the conductive plastic (5) is further arranged on the terminal connecting arm of the grounding terminal.

9. The PCIe connector of claim 8, wherein: the conductive plastic (5) is arranged in the connector plastic shell (1) at the lower ends of the two groups of signal terminals (3), and the conductive plastic (5) comprises a conductive plastic body (51) and contact arms (52) symmetrically arranged at two sides of the conductive plastic body (51).

10. The PCIe connector of claim 3, wherein: the rear plug (6) comprises a rear plug body (61), a plurality of supporting plates (62) are symmetrically arranged on the rear plug body (61), and the signal terminal main body (31) is located on the outer side of the supporting plates (62).