Housing structure of socket electric connector

Abstract

A housing structure of a socket electric connector includes an insulation body, a plurality of terminals and a shielding shell. The insulation body includes a base. The terminals are disposed on the insulation body. The terminals include a plurality of welding pins exposed outside the bottom of the base. The shielding housing covers the insulation body and includes a top cover board, a rear cover board and a plurality of connecting pins. The top cover board is disposed on the top face of the base. The rear cover board is connected to the rear side of the top cover board. The rear cover board extends downward to the rear side of the base. The rear cover body includes a bottom face. The connecting pins are connected to the bottom face. The shielding shell is disposed on the circuit board. The distance between vertical sections of the bottom face and the circuit board is smaller than or equal to 1.0 mm.

Description

technical field [0001] The invention relates to an electrical connector, in particular to a shell structure of a socket electrical connector. Background technique [0002] Nowadays, all kinds of electronic products are becoming more and more multifunctional, providing infinite convenience and high convenience, but forming a complex electromagnetic wave interference environment, affecting the operation and transmission of electronic products, such as electromagnetic interference (Electromagnetic Interference, EMI), radio frequency interference (Radio Frequency Interference, RFI for short). [0003] The transmission interface specifications of general electrical connectors are quite diverse, such as HDMI or Universal Serial Bus (USB for short), and USB is gradually used by the public, and has been developed with the USB2.0 transmission specification to today's faster transmission speed The USB3.0 transmission specification. [0004] Please refer to figure 1 and figure 2 ,...

AI Technical Summary

Problems solved by technology

However, generally the back cover A11 of the shielding shell A1 is not provided with pins, that is to say, there is no pin on the bottom surface A12 of the back cover A11 for soldering the circuit board.

here, figure 2 It is a schematic diagram of EMI simulation analysis after connecting the socket electrical connector and the plug electrical connector in the prior art. It can be clearly seen that the length of the rear cover A11 of the shielding shell A1 is relatively short, that is, the existing rear cover A11 The gap distance between the bottom surface A12 and the terminal pin or the circuit board is greater than 1.0mm. From the distribution of the electromagnetic wave leakage test, it can be seen that the electromagnetic wave leaks from the gap distance to a large extent, causing the electrical socket connector to generate electromagnetic interference when transmitting signals. , Noise problem of radio frequency interference

Moreover, no pins are added to the rear cover A11, so that the holding force between the socket electrical connector and the circuit board is relatively insufficient

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