High-speed connector

A high-speed connector, comprising:

• an insulating housing;
• a first terminal assembly received in the insulating housing;
• a second terminal assembly received in the insulating housing, the second terminal assembly being opposite to the first terminal assembly along an up-down direction;
• a third terminal assembly received in the insulating housing, the third terminal assembly being disposed between the first terminal assembly and the second terminal assembly;
• and
• a fourth terminal assembly received in the insulating housing, the fourth terminal assembly being corresponding to the third terminal assembly along the up-down direction, the fourth terminal assembly being disposed between the second terminal assembly and the third terminal assembly, the fourth terminal assembly including a metal structure;
• wherein each of the first terminal assembly, the second terminal assembly, the third terminal assembly and the fourth terminal assembly includes a base body, a plurality of terminals and a metal plate, the metal structure is disposed in a front of a rear end of the base body of the fourth terminal assembly, the plurality of the terminals include a plurality of grounding terminals and a plurality of differential signal terminals, a surface of the base body is recessed inward to form a fastening groove, the plurality of the terminals are fastened to the base body, the metal plate is fastened in the fastening groove, each terminal has a fastening portion, a contacting portion connected to a front end of the fastening portion, and a soldering portion connected to a rear end of the fastening portion, the base body surrounds the fastening portion of each terminal, the contacting portion of each terminal projects beyond a front surface of the base body, the soldering portion of each terminal is exposed to a rear of the base body, the fastening portions of the plurality of the grounding terminals and the differential signal terminals of two sides of each of the first terminal assembly, the second terminal assembly, the third terminal assembly and the fourth terminal assembly are exposed outside to the fastening groove, the metal plate electrically contacts with the fastening portions of the plurality of the grounding terminals of the two sides of each of the first terminal assembly, the second terminal assembly, the third terminal assembly and the fourth terminal assembly to form a grounding structure, front surfaces of rear ends of the grounding terminals of the plurality of the terminals of the two sides of the fourth terminal assembly are exposed to the front of the rear end of the base body of the fourth terminal assembly, the metal structure contacts with front surfaces of rear ends of the grounding terminals of the plurality of the terminals of two sides of the fourth terminal assembly to form the grounding structure;
• and
• wherein each of the third terminal assembly and the fourth terminal assembly includes a sheet structure, the sheet structure is made of a plastic material, the base body of each of the third terminal assembly and the fourth terminal assembly has a locating groove opposite to the fastening groove of each of the third terminal assembly and the fourth terminal assembly, the fastening portions of the plurality of the grounding terminals and the differential signal terminals of each of the third terminal assembly and the fourth terminal assembly are exposed to the locating groove of each of the third terminal assembly and the fourth terminal assembly, the sheet structure is located in the locating groove, the fastening portions of the plurality of the grounding terminals and the differential signal terminals of each of the third terminal assembly and the fourth terminal assembly are clamped between the metal plate and the sheet structure of each of the third terminal assembly and the fourth terminal assembly along the up-down direction, the fastening portions of the differential signal terminals of each of the third terminal assembly and the fourth terminal assembly are spaced from an inner surface of the sheet structure of each of the third terminal assembly and the fourth terminal assembly to form a clearance between the fastening portions of the differential signal terminals and the inner surface of the sheet structure of each of the third terminal assembly and the fourth terminal assembly, the fastening portions of the grounding terminals of each of the third terminal assembly and the fourth terminal assembly contact with the inner surface of the sheet structure of each of the third terminal assembly and the fourth terminal assembly.

A high-speed connector, comprising:

• an insulating housing;
• a first terminal assembly received in the insulating housing;
• a second terminal assembly received in the insulating housing, the second terminal assembly being opposite to the first terminal assembly along an up-down direction;
• a third terminal assembly received in the insulating housing, the third terminal assembly being disposed between the first terminal assembly and the second terminal assembly;
• and
• a fourth terminal assembly received in the insulating housing, the fourth terminal assembly being corresponding to the third terminal assembly along the up-down direction, the third terminal module and the fourth terminal module being positioned between the first terminal module and the second terminal module, the fourth terminal assembly including a blocking element;
• wherein each of the first terminal assembly, the second terminal assembly, the third terminal assembly and the fourth terminal assembly includes a base body, a plurality of terminals and a metal plate, the plurality of the terminals include a plurality of grounding terminals and a plurality of differential signal terminals, the blocking element is disposed in a front of a rear end of the base body of the fourth terminal assembly, a surface of the base body is recessed inward to form a fastening groove, the plurality of the terminals are fastened to the base body, the metal plate is fastened in the fastening groove, each terminal has a fastening portion, a contacting portion connected to a front end of the fastening portion, and a soldering portion connected to a rear end of the fastening portion, the base body surrounds the fastening portion of each terminal, the contacting portion of each terminal projects beyond a front surface of the base body, the soldering portion of each terminal is exposed to a rear of the base body, the fastening portions of the plurality of the grounding terminals and the differential signal terminals of two sides of each of the first terminal assembly, the second terminal assembly, the third terminal assembly and the fourth terminal assembly are exposed outside to the fastening groove, the metal plate electrically contacts with the fastening portions of the plurality of the grounding terminals of the two sides of each of the first terminal assembly, the second terminal assembly, the third terminal assembly and the fourth terminal assembly to form a grounding structure, front surfaces of rear ends of the grounding terminals of the plurality of the terminals of two sides of the fourth terminal assembly are exposed to the front of the rear end of the base body of the fourth terminal assembly;
• and
• wherein each of the third terminal assembly and the fourth terminal assembly includes a sheet structure, the sheet structure is made of a plastic material, the base body of each of the third terminal assembly and the fourth terminal assembly has a locating groove opposite to the fastening groove of each of the third terminal assembly and the fourth terminal assembly, the fastening portions of the plurality of the grounding terminals and the differential signal terminals of each of the third terminal assembly and the fourth terminal assembly are exposed to the locating groove of each of the third terminal assembly and the fourth terminal assembly, the sheet structure is located in the locating groove, the fastening portions of the plurality of the grounding terminals and the differential signal terminals of each of the third terminal assembly and the fourth terminal assembly are clamped between the metal plate and the sheet structure of each of the third terminal assembly and the fourth terminal assembly along the up-down direction, the fastening portions of the differential signal terminals of each of the third terminal assembly and the fourth terminal assembly are spaced from an inner surface of the sheet structure of each of the third terminal assembly and the fourth terminal assembly to form a clearance between the fastening portions of the differential signal terminals and the inner surface of the sheet structure of each of the third terminal assembly and the fourth terminal assembly, the fastening portions of the grounding terminals of each of the third terminal assembly and the fourth terminal assembly contact with the inner surface of the sheet structure of each of the third terminal assembly and the fourth terminal assembly, the front surfaces of the rear ends of each two differential signal terminals of the two sides of the fourth terminal assembly are spaced from an inner surface of the blocking element to form an interstice.