Electrical connector having stacked module sheets each with a conductive shell and a sheet-shaped ground plate together enclosing signal terminals discretely supported by insulating members

Patent metadata

Field	Value
Publication number	US-11489289-B2
Application number	US-202017137401-A
Country	US
Kind code	B2
Filing date	Dec 30, 2020
Priority date	Dec 31, 2019
Publication date	Nov 1, 2022
Grant date	Nov 1, 2022

Abstract

An electrical connector includes: a housing; plural terminals held on the housing, the terminals being arranged in the form of terminal pairs for transmitting differential signals; plural first shielding sheets shielding the terminals; and plural second shielding sheets shielding the terminals, the second shielding sheet being arranged to cross the first shielding sheets to form plural shielding cavities separated from each other, the terminal pairs being distributed in corresponding shielding cavities, wherein one first shielding sheet is provided between each terminal pair and an laterally adjacent terminal pair and two second shielding sheets are provided between each terminal pair and a longitudinally adjacent terminal pair.

First claim

What is claimed is:

1. An electrical connector comprising:
a plurality of module sheets stacked laterally, each module sheet including:
a conductive shell having a plurality of grooves on one side thereof and a plurality of ribs each formed between every two adjacent grooves;
a plurality of signal terminals accommodated in corresponding grooves;
a plurality of insulating members which are installed in the conductive shell for fixing corresponding signal terminals and electrically isolating the signal terminals from the conductive shell; and
a sheet-shaped ground plate installed on the one side of the conductive shell; and

a fixing member for securing the plurality of module sheets together; wherein
the insulating members on at least one of the signal terminals are discretely arranged; and
each of the module sheets is provided with a plurality of first holes penetrating the conductive shell transversely and a second hole with a shape different from the first hole, and the fixing member includes a plurality of first pins passing through the first holes and a second pin passing through the second hole.

2. The electrical connector as claimed in claim 1 , wherein the ribs are provided with a plurality of convex hulls, the ground plate is provided with a plurality of holes matching with the convex hulls, the convex hull is cylindrical, and the convex hulls and the conductive shell are integrally formed by die-casting.

3. The electrical connector as claimed in claim 2 , wherein the sheet-shaped ground plate includes a first side and a second side opposite to the first side, the second side is matched with the conductive shell, each of the holes is stamped from the second side to the first side, and a tearing surface formed by stamping on the hole faces the second side.

4. The electrical connector as claimed in claim 3 , wherein the hole is flared so that a size thereof on the second side is larger than a size thereof on the first side, the hole is provided with a plurality of slits evenly distributed in a circumferential direction, and the hole is stretched to fit tightly with the convex hull.

5. The electrical connector as claimed in claim 1 , wherein the signal terminals are arranged in the form of signal terminal pairs for transmitting differential signals, each of the signal terminals includes a mounting foot, and the ground plate includes a plurality of mounting pins, the mounting pins and the mounting feet are located in a common plane, and the pins are arranged between the mounting feet of adjacent signal terminal pairs.

6. The electrical connector as claimed in claim 1 , wherein the module sheet includes a lower edge facing a mounting direction and an upper edge opposite to the lower edge, a front edge facing a mating direction, and a rear edge opposite to the front edge, the plurality of module sheets includes alternating first type of module pieces and second type of module pieces, and the upper edge and the lower edge near the front edge of one type of the first type of module piece and the second type of module piece are recessed toward the conductive shell so that when the first type of module piece and the second type of module piece are assembled together opposing mounting grooves and protrusions are formed.

7. The electrical connector as claimed in claim 1 , wherein a portion of the signal terminal not covered by the insulating member is suspended in the groove and exposed to air, and the length of the signal terminal exposed to air is greater than the length covered by the insulating member.

8. The electrical connector as claimed in claim 7 , wherein a width dimension of the signal terminal covered in the insulating member is smaller than a width dimension of the signal terminal exposed to air.

9. The electrical connector as claimed in claim 8 , wherein the signal terminals are arranged in the form of a signal terminal pair for transmitting differential signals, the two signal terminals forming the signal terminal pair are housed in same groove, each of the signal terminals includes a mounting foot mounted on a circuit board, a mating end, and an intermediate portion between the mating end and the mounting foot, the mounting foot extends out of the conductive shell in the mounting direction, and the intermediate portion and the mating end are received in the groove.

10. The electrical connector as claimed in claim 9 , wherein each of the signal terminal pair includes a first signal terminal and a second signal terminal, a length of the first signal terminal is greater than a length of the second signal terminal, the length of the first signal terminal exposed to air is larger than the length of the second signal terminal exposed to air.

11. The electrical connector as claimed in claim 1 , wherein the plurality of first holes are arranged along a first direction and a second direction perpendicular to each other.

12. The electrical connector as claimed in claim 11 , wherein the conductive shell includes a lower edge toward the mounting direction, an upper edge opposite to the lower edge, a front edge facing the mating direction, and a rear edge opposite to the front edge, the conductive shell is provided with a plurality of grooves extending from the front edge to the lower edge for accommodating corresponding signal terminals, the first hole and the second hole are provided in an area between an outermost groove and the upper and rear edges of the conductive shell.

13. The electrical connector as claimed in claim 12 , wherein the plurality of first holes are arranged near the upper edge and the rear edge, the second hole is arranged near a junction of the upper edge and the rear edge and is on an inner side of the plurality of first holes.

14. The electrical connector as claimed in claim 13 , wherein the first hole is elongated, the second hole is triangular, and a size of the second hole is greater than a sizes of all the first holes.

15. An electrical connector comprising:
a plurality of module sheets stacked laterally, each module sheet including:
a conductive shell having a plurality of grooves on one side thereof and a plurality of ribs each formed between every two adjacent grooves;
a plurality of signal terminals accommodated in corresponding grooves;
a plurality of insulating members which are installed in the conductive shell for fixing corresponding signal terminals and electrically isolating the signal terminals from the conductive shell; and
a sheet-shaped ground plate installed on the one side of the conductive shell; and

a fixing member for securing the plurality of module sheets together; wherein
the insulating members on at least one of the signal terminals are discretely arranged;
the ribs are provided with a plurality of convex hulls, the ground plate is provided with a plurality of holes matching with the convex hulls, the convex hull is cylindrical, and the convex hulls and the conductive shell are integrally formed by die-casting; and
the sheet-shaped ground plate includes a first side and a second side opposite to the first side, the second side is matched with the conductive shell, each of the holes is stamped from the second side to the first side, a tearing surface formed by stamping on the hole faces the second side.

16. The electrical connector as claimed in claim 15 , wherein the hole is flared so that a size thereof on the second side is larger than a size thereof on the first side, the hole is provided with a plurality of slits evenly distributed in a circumferential direction, and the convex hull fits tightly with the hole.

17. A

Assignees

• Fu Ding Prec Industrial Zhengzhou Co Ltd
• Foxconn Interconnect Technology Ltd
• Fuding Prec Industry Zhengzhou Co Ltd

Inventors

• Liu Meng
• Hsiao Shih-Wei
• Hsiao Yu-San
• Chang Yen-Chih
• Jiang Jhih-Yao
• Chen yu-ke

Classifications

• H01R12/737

  Printed circuits being substantially perpendicular to each other (for printed connections H05K3/366) · CPC title

• H01R13/6588

  with through openings for individual contacts · CPC title

• H01R13/502

  composed of different pieces (H01R13/514 takes precedence) · CPC title

• H01R13/652 Primary

  with earth pin, blade or socket · CPC title

• H01R13/6587 Primary

  for mounting on PCBs · CPC title