CN-122026147-A - Electric connector

CN122026147ACN 122026147 ACN122026147 ACN 122026147ACN-122026147-A

Abstract

The invention discloses an electric connector which comprises an insulating body, a grounding plate, a plurality of signal terminals, a plurality of upper grounding terminals and a plurality of lower grounding terminals, wherein the insulating body is provided with an upper surface and a lower surface, the grounding plate is fixed in the insulating body, the insulating body is provided with a plurality of upper terminal grooves penetrating upwards through the upper surface and a plurality of lower terminal grooves penetrating downwards through the lower surface, the upper grounding terminals are mounted in the upper terminal grooves from the upper surface and are overlapped with the grounding plate, and the lower grounding terminals are mounted in the lower terminal grooves from the lower surface and are overlapped with the grounding plate. Compared with the prior art, the grounding plate can decompose the original low resonant frequency into two superimposed high resonant frequencies, but keeps the overall height of the connector unchanged, and improves the electrical performance of the connector.

Inventors

XU SHUOXIU

Assignees

富士康(昆山)电脑接插件有限公司
鸿腾精密科技股份有限公司

Dates

Publication Date: 20260512
Application Date: 20251022
Priority Date: 20241028

Claims (13)

1. An electric connector comprises an insulating body, a grounding plate, a plurality of signal terminals, a plurality of upper grounding terminals and a plurality of lower grounding terminals, wherein the insulating body is provided with an upper surface and a lower surface, and the grounding plate is fixed in the insulating body; The insulating body is characterized by comprising a plurality of upper terminal grooves penetrating through the upper surface upwards and a plurality of lower terminal grooves penetrating through the lower surface downwards, wherein the upper grounding terminal is installed in the upper terminal grooves from the upper surface and is overlapped with the grounding plate, and the lower grounding terminal is installed in the lower terminal grooves from the lower surface and is overlapped with the grounding plate.
2. The electrical connector of claim 1, wherein each of the upper ground terminal and the lower ground terminal is provided with an SMT pin, the SMT pin being soldered to the ground plate.
3. The electrical connector of claim 1, wherein the ground plate is made of a metal plate having a plurality of openings, and the signal terminals pass through the corresponding openings and are exposed at the upper and lower surfaces of the dielectric body.
4. The electrical connector of claim 1, wherein the ground plate is comprised of a flexible circuit board or a printed circuit board provided with an upper ground pad and a lower ground pad, the upper ground terminal overlapping the upper ground pad, the lower ground terminal overlapping the lower ground pad.
5. The electrical connector of claim 4, wherein the flexible circuit board or the printed circuit board is provided with a plurality of openings, and the signal terminals pass through the corresponding openings and are exposed on the upper and lower surfaces of the insulating body.
6. The electrical connector of claim 4, wherein the flexible circuit board or the printed circuit board is provided with an upper signal pad and a lower signal pad, the upper signal pad being in communication with the corresponding lower signal pad, the signal terminal including an upper terminal piece and a lower terminal piece, the upper terminal piece being fitted from an upper surface of the insulative housing and being in contact with the upper signal pad, the lower terminal piece being fitted from a lower surface of the insulative housing and being in contact with the lower signal pad.
7. The electrical connector of claim 1, wherein each of the upper ground terminal and the lower ground terminal is provided with a spring beam overlapping the ground plate, the ground plate is provided with a plurality of through holes, and the spring beam of the upper ground terminal and the spring beam of the corresponding lower ground terminal each extend into the same through hole and abut against an inner wall surface of the through hole.
8. The electrical connector of claim 1, wherein the upper ground terminal and the lower ground terminal are identical in structure and each comprise a vertical holding portion, a spring arm extending from the holding portion, and a horizontal welding portion bent from the holding portion, the spring arm being provided with an arc-shaped contact portion, the horizontal welding portion being welded to the ground plate.
9. The electrical connector of claim 1, wherein the ground plate is insert molded within the dielectric body.
10. The electric connector comprises an insulating body, a grounding plate, a plurality of pairs of signal terminals, a plurality of upper grounding terminals and a plurality of lower grounding terminals, wherein the insulating body is provided with an upper surface and a lower surface, and the grounding plate is arranged in the insulating body.
11. The electrical connector of claim 10, wherein said ground plate is provided with a plurality of openings, and a pair of said signal terminals extend through the same opening and are exposed at the upper and lower surfaces of said dielectric body.
12. The electrical connector of claim 10, wherein the solder bumps are pre-disposed on opposite sides of a ground plate, and the upper and lower ground terminals are soldered to the ground plate by molten solder bumps.
13. The electrical connector of claim 10, wherein the dielectric body includes an upper dielectric and a lower dielectric, the upper ground terminal being held to the upper dielectric, the lower ground terminal being held to the lower ground terminal, the ground plate being sandwiched between the upper dielectric and the lower dielectric.

Description

Electric connector Technical Field The invention relates to an electrical connector having a ground plate. Background U.S. patent No. 8764464B discloses an electrical connector having a non-shielding ground member disposed thereon to increase the resonant frequency of the ground terminal and improve insertion loss and crosstalk. CPU sockets or similar connectors carrying multiple terminals also often employ grounded metal structures, such as patent application CN111431000a. US10490951B discloses a shield provided on an insulator with holes for the passage of signal and ground terminals, wherein the ground terminals are in contact with the shield, which may be a metal plate embedded in the insulator, a metal plating provided on the insulator, etc. Patent application CN111431000a adopts a plurality of vertically arranged shielding plates to reduce crosstalk effects. Therefore, it is difficult to add a ground or shield for a connector provided with thousands of all kinds of matters pieces and having a small size. For mass production, how to add grounding elements is a problem to be solved. Accordingly, there is a need to provide an improved electrical connector that addresses the above issues. Disclosure of Invention The invention aims to provide an electric connector with an improved grounding plate. In order to solve the problems, the invention adopts the following technical scheme that the electric connector comprises an insulating body, a grounding plate, a plurality of signal terminals, a plurality of upper grounding terminals and a plurality of lower grounding terminals, wherein the insulating body is provided with an upper surface and a lower surface, the grounding plate is fixed in the insulating body, the insulating body is provided with a plurality of upper terminal grooves penetrating upwards through the upper surface and a plurality of lower terminal grooves penetrating downwards through the lower surface, the upper grounding terminals are mounted in the upper terminal grooves from the upper surface and are overlapped with the grounding plate, and the lower grounding terminals are mounted in the lower terminal grooves from the lower surface and are overlapped with the grounding plate. In order to solve the problems, the technical scheme is that the electric connector comprises an insulating body, a grounding plate, a plurality of pairs of signal terminals, a plurality of upper grounding terminals and a plurality of lower grounding terminals, wherein the insulating body is provided with an upper surface and a lower surface, the grounding plate is arranged in the insulating body, and the upper grounding terminals and the lower grounding terminals are respectively connected with the grounding plate. Compared with the prior art, the grounding plate can decompose the original low resonant frequency into two superimposed high resonant frequencies, but keeps the overall height of the connector unchanged, and improves the electrical performance of the connector. Drawings Fig. 1 is a perspective view of an electrical connector according to a first embodiment of the present invention; FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1; FIG. 3 is an exploded perspective view of FIG. 1; Fig. 4 is a top view of the terminal and metal plate of fig. 3; FIG. 5 is an exploded perspective view of FIG. 4; Fig. 6 is a perspective view of an electrical connector according to a second embodiment of the present invention; fig. 7 is an exploded perspective view of the terminal and circuit board of fig. 6 with the dielectric body removed; fig. 8 is a perspective view of a connector according to a third embodiment of the present invention; fig. 9 is a perspective view of the terminal and circuit board of fig. 8 with the dielectric body removed; FIG. 10 is another angular perspective view of FIG. 9; FIG. 11 is a cross-sectional view taken along line B-B in FIG. 9; fig. 12 is a perspective view of an electrical connector according to a fourth embodiment of the present invention; FIG. 13 is a cross-sectional view taken along line C-C of FIG. 12; fig. 14 is an exploded perspective view of a terminal and a metal plate of a fifth embodiment of the present invention; Fig. 15 is an exploded perspective view of a terminal and a metal plate of a sixth embodiment of an electrical connector of the present invention; Fig. 16 is a perspective view of an electrical connector according to a seventh embodiment of the present invention, wherein the electrical connector has three different states; fig. 17 is a perspective view of the terminal of fig. 16 in three states; Fig. 18 is a cross-sectional view of the terminal of fig. 16 in three states. Reference numerals illustrate: the electrical connectors 100, 100B, 100C, 200; the insulating bodies 10, 60, upper surface 111, lower surface 112, upper terminal groove 12, lower terminal groove 13, signal terminal groove 14, upper insulator 151, lower insulator 152; the signal terminals