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CN-224217842-U - High-speed connector

CN224217842UCN 224217842 UCN224217842 UCN 224217842UCN-224217842-U

Abstract

The application provides a high-speed connector which comprises an insulating main body and a conductive terminal assembly, wherein the insulating main body extends along a first direction, a plurality of mounting grooves are formed in the insulating main body at intervals along a first direction, the mounting grooves are formed in the mounting grooves along a second direction, the insulating main body is provided with inserting grooves extending along the first direction, the inserting grooves are communicated with the mounting grooves, the inserting grooves are used for inserting external expansion equipment, the conductive terminal assembly comprises a plurality of signal terminals and ground terminals, the signal terminals and the ground terminals enter the inserting grooves through the mounting grooves to contact the external expansion equipment, the signal terminals transmit differential signals, the ground terminals are positioned on two sides of the signal terminals so as to reduce interference, and the middle parts of the ground terminals are widened along the second direction and cover the signal terminals along the first direction, so that the anti-interference effect is enhanced. By widening the ground terminal and covering the adjacent signal terminals, the effective cross-sectional area of the ground terminal is enlarged, shielding is enhanced, and signal interference is suppressed to improve crosstalk.

Inventors

  • JIAO DONGMING

Assignees

  • 康迈特技术(苏州)有限公司

Dates

Publication Date
20260508
Application Date
20250331

Claims (8)

  1. 1. A high-speed connector comprising an insulative body and a conductive terminal assembly, wherein: The insulation main body extends along a first direction, a plurality of mounting grooves are formed in the insulation main body at intervals along the first direction, the mounting grooves are formed in the second direction, openings of the mounting grooves are positioned at the rear end of the insulation main body along the second direction, plug grooves are formed in the insulation main body and extend along the first direction, the plug grooves are configured to plug external expansion equipment, the mounting grooves are communicated with the plug grooves, and the conductive terminal assembly enters the plug grooves from the mounting grooves to be contacted with the external expansion equipment; The conductive terminal assembly includes a plurality of signal terminals and a plurality of ground terminals, the signal terminals and the ground terminals being mounted in the mounting slots at intervals along the first direction, the signal terminals being configured to transmit differential signals, the ground terminals being located on both sides of the signal terminals along the first direction, the ground terminals being configured to space adjacent signal terminals to reduce interference between signal terminals; The width of the middle part of the ground terminal along the second direction is larger than that of the signal terminal, and the ground terminal covers the signal terminal along the first direction so as to enhance the anti-interference effect.
  2. 2. The high-speed connector of claim 1, wherein the signal terminal comprises a first force arm and a first resilient leg, the first force arm first end being provided with a first contact portion, the first contact portion entering the socket to contact the external expansion device, the first force arm second end being fixedly connected to the first resilient leg, the first resilient leg being connected to an external circuit board to electrically connect the external expansion device to the external circuit board; The ground terminal comprises a second force arm and a second elastic foot, the first end of the second force arm is provided with a second contact part, the second contact part enters the inserting groove to be in contact with the external expansion device, the second end of the second force arm is fixedly connected with the second elastic foot, and the second elastic foot is connected with an external circuit board so as to enable the external expansion device to be electrically connected with the external circuit board; The first contact portion and the second contact portion are coincident along the first direction, and the first resilient foot portion and the second resilient foot portion are coincident along the first direction.
  3. 3. The high-speed connector of claim 2, wherein the signal terminal further comprises a first retaining portion fixedly connected with the first force arm middle portion, the first retaining portion configured to retain the first force arm and the first spring leg within the mounting slot; The ground terminal further comprises a second fixing portion, the second fixing portion is arranged towards the mounting groove along the second direction, one end of the second fixing portion is fixedly connected with the middle of the second force arm, and the second fixing portion is configured to drive the second force arm and the first elastic leg to be fixed in the mounting groove.
  4. 4. The high-speed connector according to claim 3, wherein the second arm of force is provided with a groove near an upper end of the second holding portion, and an opening of the groove faces the mounting groove.
  5. 5. The high-speed connector of claim 4, wherein the groove is formed by punch piercing.
  6. 6. The high-speed connector according to claim 1, wherein the signal terminal is composed of a first terminal and a second terminal, the first terminal and the second terminal are disposed adjacent to each other at intervals along the first direction, the first terminal is configured to transmit a forward signal, the second terminal is configured to transmit a reverse signal, and a distance between the first terminal and the second terminal is the same as a distance between the first terminal or the second terminal and the adjacent ground terminal.
  7. 7. The high-speed connector of claim 6, wherein the mounting slots are uniformly spaced along the first direction.
  8. 8. The high-speed connector of claim 6, wherein the ground terminal, the first terminal, and the second terminal are all integrally stamped and formed.

Description

High-speed connector Technical Field The present disclosure relates to electronic connectors, and particularly to a high-speed connector. Background As electronic devices move toward high-speed signal transmission, connectors play a critical role in the data transmission process. In high speed interfaces such as PCIe, USB, SATA, thunderbolt, the signal integrity (SIGNAL INTEGRITY, SI) of the connector directly affects the performance and stability of the system. In the conventional high-speed connector, a plurality of signal terminals and ground terminals are generally combined. In order to improve signal quality, a common terminal arrangement includes a layout of "GSSGSSG" (G stands for ground terminal, S stands for signal terminal) to reduce Crosstalk (cross talk) between signal terminals and to improve shielding effect. However, in the high-speed connector in the prior art, crosstalk still exists between the signal terminals during high-speed signal transmission, so that signal integrity is affected, and a crosstalk phenomenon between the signal terminals is caused. Disclosure of utility model The present application is directed to a high-speed connector for solving the problem of crosstalk between signal terminals in the prior art. To achieve the purpose, the application adopts the following technical scheme: The application provides a high-speed connector, which comprises an insulating main body and a conductive terminal assembly, wherein: The insulation main body extends along a first direction, a plurality of mounting grooves are formed in the insulation main body at intervals along the first direction, the mounting grooves are formed in the second direction, openings of the mounting grooves are located at the rear end of the insulation main body along the second direction, the insulation main body is provided with plug grooves, the plug grooves extend along the first direction and are configured to plug external expansion equipment, the mounting grooves are communicated with the plug grooves, and the conductive terminal assembly enters the plug grooves from the mounting grooves to be in contact with the external expansion equipment; The conductive terminal assembly comprises a plurality of signal terminals and a plurality of ground terminals, the signal terminals and the ground terminals are mounted in the mounting groove at intervals along a first direction, the signal terminals are configured to transmit differential signals, the ground terminals are positioned on two sides of the signal terminals along the first direction, and the ground terminals are configured to space adjacent signal terminals so as to reduce interference between the signal terminals; The width of the middle part of the ground terminal along the second direction is larger than that of the signal terminal, and the ground terminal covers the signal terminal along the first direction so as to enhance the anti-interference effect. Optionally, the signal terminal includes a first force arm and a first elastic leg, a first end of the first force arm is provided with a first contact portion, the first contact portion enters the plugging slot to contact with the external expansion device, a second end of the first force arm is fixedly connected with the first elastic leg, and the first elastic leg is connected with the external circuit board so as to enable the external expansion device to be electrically connected with the external circuit board; The ground terminal comprises a second force arm and a second elastic foot, the first end of the second force arm is provided with a second contact part, the second contact part enters the plugging groove to be contacted with external expansion equipment, the second end of the second force arm is fixedly connected with the second elastic foot, and the second elastic foot is connected with the external circuit board so as to enable the external expansion equipment to be electrically connected with the external circuit board; The first contact portion and the second contact portion are coincident in a first direction, and the first resilient foot portion and the second resilient foot portion are coincident in the first direction. Optionally, the signal terminal further includes a first fixing portion, the first fixing portion is fixedly connected with the middle of the first force arm, and the first fixing portion is configured to drive the first force arm and the first elastic leg to be fixed in the mounting groove; The ground terminal further comprises a second fixing part, the second fixing part is arranged towards the mounting groove along the second direction, one end of the second fixing part is fixedly connected with the middle part of the second force arm, and the second fixing part is configured to drive the second force arm and the first elastic leg to be fixed in the mounting groove. Optionally, a groove is formed at the upper end of the second arm near the second holding portion, a