CN201303148Y - Component of electric connector - Google Patents

Abstract

An electrical connector assembly, which includes an electrical connector and a docking electrical connector, the electrical connector includes a plurality of terminal modules arranged in an overlapping manner, and each of the terminal modules includes a plate-shaped insulating member and an insulating member arranged on the insulating member. A plurality of first shielding sheets, the docking electrical connector includes an insulating body and a plurality of second shielding sheets accommodated in the insulating body, and each of the second shielding sheets is provided with a plurality of elastic sheets that are in contact with the first shielding sheet Each of the first shielding pieces is provided with a plurality of protrusions in contact with the elastic pieces of the second shielding piece, and the contact surface of these protrusions and the elastic pieces is provided with a plating layer formed by a gold plating process. The shielding sheet of the electrical connector of this design is in good contact with the shielding sheet of the mating electrical connector, and the invalid gold-plated area of the shielding sheet can be reduced.

Description

Electrical Connector Assembly

【Technical field】

The utility model relates to an electric connector assembly, in particular to a structure of a shielding sheet of a terminal module of the electric connector.

【Background technique】

The No. 6,299,483 patent published by the United States Patent and Trademark Office on October 9, 2001 discloses an electrical connector assembly, which includes an electrical connector with a plurality of terminal modules arranged in an overlapping manner, each terminal module Includes insulation and shielding sheet. The shielding sheet is provided with a contact portion that is in contact with the elastic sheet on the shielding sheet of the docking electrical connector. However, if it is necessary to plate gold on the contact portion of the shielding sheet to enhance its conductive performance, there will be some invalid gold-plated areas on the shielding sheet.

【Content of utility model】

The technical problem to be solved by the utility model is to provide an electrical connector assembly with good contact of the shielding sheet and can reduce the invalid gold-plated area of the shielding sheet.

The technical problem to be solved by the utility model is achieved through the following technical solutions: an electrical connector assembly, which includes an electrical connector and a docking electrical connector, the electrical connector includes a plurality of terminal modules arranged in an overlapping manner, the The terminal modules each include a plate-shaped insulator and a number of first shielding sheets arranged on the insulator. The butt electrical connector includes an insulating body and a number of second shielding sheets accommodated in the insulating body. The second shielding Each sheet is provided with a number of shrapnel in contact with the first shielding sheet, and each first shielding sheet is provided with a number of protrusions in contact with the shrapnel of the second shielding sheet, and the contact surface of these protrusions and the shrapnel is provided with A plating layer formed by a gold plating process.

Compared with the prior art, the shielding sheet of the electrical connector of the present invention is provided with several protrusions, so that the shielding sheet can be in good contact with the shielding sheet of the docking electrical connector. And it is convenient to plate gold on the raised surface of the shielding sheet, thereby reducing the invalid gold-plating area of the shielding sheet and saving cost.

【Description of drawings】

FIG. 1 is a perspective view of an electrical connector assembly according to the present invention.

FIG. 2 is a partially exploded view of the electrical connector of the electrical connector assembly shown in FIG. 1 .

FIG. 3 is a partially exploded view of a mating electrical connector of the electrical connector assembly shown in FIG. 1 .

FIG. 4 is an exploded view of the terminal module of the electrical connector shown in FIG. 2 .

FIG. 5 is a schematic diagram of cooperation between a terminal module of the electrical connector shown in FIG. 2 and a shielding sheet of the mating electrical connector shown in FIG. 3 .

【Detailed ways】

1 to 5 disclose a high-speed backplane electrical connector assembly 1 according to the present invention. Referring to FIGS. 1 to 3 , the electrical connector assembly 1 includes an electrical connector 100 and a mating electrical connector 300 . The electrical connector 100 can be installed on a circuit board (not shown), and the mating electrical connector 300 can be installed on another circuit board perpendicular to the aforementioned circuit board. The electrical connector 100 is provided with a plurality of overlapping terminal modules 10 and a housing 30 assembling the terminal modules 10 together. The mating electrical connector 300 is provided with an insulating body 301 , a plurality of terminals 302 and a plurality of shielding pieces 303 (hereinafter referred to as second shielding pieces) accommodated in the insulating body 301 .

Referring to FIG. 4 , each terminal module 10 of the electrical connector 100 includes an insulator 11 , a first shielding sheet 13 , a plurality of terminals 15 , and a cover 17 .

The insulator 11 is substantially a square plate, which has a butt end 111 , a mounting end 112 , a rear edge 113 opposite to the butt end 111 , and an upper edge 114 opposite to the installation end 112 . The insulator 11 is provided with an insertion portion 115 inserted into the mating electrical connector 300, and the insertion portion 115 is provided with a resisting portion 117 on its side 116 facing the adjacent terminal module 10, and the resisting portion 117 abuts against the adjacent terminal module. Group 10 on. A space (not shown) for accommodating the shielding piece 303 of the mating electrical connector 300 is thus formed between the insertion portions 115 of the two adjacent terminal modules 10 . A side surface 118 of the insulator 11 facing another adjacent terminal module 10 is recessed with a plurality of slots (not shown) for receiving a plurality of terminals 15 . The insulator 11 is also provided with a plurality of ribs 119 on its upper and rear edges to cooperate with the housing 30 .

The first shielding sheet 13 is embedded in the insulator 11. The first shielding sheet 13 is in the shape of a square piece extending from the butt end 111 of the insulator 11 to the installation end 112. The main body 131 of the receiving portion 114 of 11 and the contact portion 132 that is in contact with the shielding sheet 305 of the mating electrical connector 300 . The contact portion 132 is disposed on the side surface 116 of the insertion portion 113 of the insulator 11 and accommodated in a space between the insertion portions 115 of two adjacent terminal modules 10 . The contact portion 132 of the first shielding piece 13 is provided with a plurality of protrusions 133 arranged in a row protruding toward the adjacent terminal module 10 . The protrusions 133 are rectangular platforms formed by embossing. The surface of the protrusion 133 is provided with a plating layer (not shown) formed by a gold plating process to enhance the contact between it and the second shielding piece 303 of the mating electrical connector 300 . The first shielding piece 13 also has a ground pin 135 extending from the mounting end 112 of the insulator 11 on its main body 131 , and the ground pin 132 is connected to the ground circuit on the circuit board.

Each terminal 15 is respectively accommodated in the groove of the insulator 11 , and each terminal 15 extends from the butt end 111 to the installation end 112 . The terminal 15 has a contact arm 151 extending parallel to the circuit board, a pin 152 vertically connected to the circuit board, and a middle portion 153 connecting the contact arm 151 and the pin 152 . The contact arms 151 are two contact arms 151 extending side by side in the same direction, and the two contact arms 151 can clamp and connect the terminals 302 of the mating electrical connector 300 . The terminals 15 are accommodated in the slots of the insulator 11 , and the pins 152 of each terminal 13 protrude from the mounting end 112 of the insulator 11 for connecting with the conductive circuit on the circuit board.

The cover body 17 is in the shape of a square plate, and the cover body 17 covers the position corresponding to the middle portion 153 of the terminal 15 on the channel 113 .

The shell 30 is "L" shaped, and the shell 30 is disposed on the upper end edge 114 and the rear end edge 113 of the insulator 11 of the terminal module 10 . The shell 30 is provided with a plurality of slots 31 , 33 matching with the plurality of ribs 119 .

The insulating body 301 of the docking electrical connector 300 has two parallel sidewalls 304 and a middle wall 305 connecting the two sidewalls 304 . The two side walls 304 and the middle wall 305 jointly form a receiving space 306 for inserting the power supply connector 100 . A plurality of terminals 302 are disposed in the receiving space 306 in several rows, and a plurality of second shielding pieces 303 are disposed between the terminals 302 of each row. The second shielding sheet 303 is provided with a plurality of elastic pieces 307 in contact with the first shielding sheet 13, these elastic sheets 307 are formed by stamping, each elastic sheet 307 is provided with a free end 308 to correspond to the protrusion 133 of the first shielding sheet 13 touch. The surface of the elastic piece 307 is plated with gold (not shown) to enhance contact with the protrusion 133 of the first shielding piece 13 of the electrical connector 100 .

The first shielding sheet 13 is provided with several protrusions 133 so that the first shielding sheet 13 and the second shielding sheet 303 are in good contact. And it is convenient to plate gold on the surface of the protrusion 133 on the first shielding sheet 13, so that the invalid gold-plated area can be reduced, thereby saving cost.

Claims (10)

1. An electrical connector assembly, which includes an electrical connector and a docking electrical connector, the electrical connector includes a plurality of terminal modules arranged in an overlapping manner, and each of the terminal modules includes a plate-shaped insulating member and is arranged on the The first shielding sheet of the insulator, the docking electrical connector includes an insulating body and a number of second shielding sheets accommodated in the insulating body, and each of the second shielding sheets is provided with a number of contacts in contact with the first shielding sheet The shrapnel is characterized in that: each first shielding sheet is provided with a plurality of protrusions in contact with the shrapnel of the second shielding sheet, and the contact surface of these protrusions and the shrapnel is provided with a plating layer formed by a gold plating process. 2. The electrical connector assembly according to claim 1, wherein the plurality of protrusions are rectangular platforms protruding toward adjacent terminal modules. 3. The electrical connector assembly as claimed in claim 2, wherein the rectangular platform is formed by embossing. 4. The electrical connector assembly according to claim 2, wherein the plurality of elastic pieces are formed by stamping, and each elastic piece has a free end to contact with the rectangular platform. 5. The electrical connector assembly according to claim 1, wherein the insulator is provided with an insertion portion inserted into the docking electrical connector, and the insertion portion is provided with a resisting portion on the aforementioned side, and the resisting portion abuts against On adjacent terminal modules, a space for accommodating the second shielding piece is formed between the insertion parts of the adjacent terminal modules. 6. The electrical connector assembly according to claim 1, wherein the insulator is provided with a butt end for mating with the electrical connector and a mounting end for mounting on a circuit board, and the first shielding sheet is formed from the The butt end extends to the installation end, the first shielding sheet is provided with a main body covered by the insulator and a contact portion provided on a side of the insulator facing the adjacent terminal module, the protrusions set on the contact part. 7. The electrical connector assembly according to claim 6, wherein the first shielding sheet is provided with a grounding pin extending from the mounting end of the insulator on its main body, and the grounding pin is connected to the aforementioned circuit Connect to the ground line on the board. 8. The electrical connector assembly as claimed in claim 6, wherein the terminal module further comprises a plurality of terminals arranged on the side of the insulator facing another adjacent terminal module, and the terminals connect from the butt joint Each terminal is provided with a contact arm extending parallel to the circuit board, a pin vertically connected to the circuit board, and a middle part connecting the contact part and the pin. 9. The electrical connector assembly as claimed in claim 6, wherein the electrical connector is further provided with an "L"-shaped housing for assembling the plurality of terminal modules together. 10. The electrical connector assembly according to claim 9, wherein the insulator of the terminal module is further provided with a rear end edge opposite to the butt end, and an upper end edge opposite to the installation end, the The insulator is provided with several convex ribs on its rear end edge and upper end edge, the shell is arranged on the upper end edge and the rear end edge, and the shell is provided with several slots matching the several convex ribs.

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