Waterproof USB2.0 connector grounding structure

Abstract

The invention relates to a waterproof USB2.0 connector grounding structure. The structure comprises a plastic main body, a grounding terminal I, a grounding terminal II, a contact element and an innermetal shell, wherein the inner metal shell is fixed in the plastic main body in a pre-assembling and secondary riveting manner, the contact element is fixed in the plastic main body in a forced installation manner and is conducted with the inner metal shell, the grounding terminal I and the grounding terminal II are forcibly installed in the plastic main body from two sides of a tail part of theplastic main body, limiting structures are arranged on two sides of the plastic main body and are used for fixing the positions of the grounding terminal I and the grounding terminal II, after the twogrounding terminals are forcibly arranged in the plastic main body, the two grounding terminals are connected and conducted with a contact part of the inner metal shell in a point-surface contact manner, and elastic contact is realized through cantilever beam structures on the grounding terminals. The structure is advantaged in that terminal grounding welding pins are high in position precision,the welding pins can be prevented from being stressed to deform when a product is welded to a PCB, the grounding terminals are small in size and low in part cost, automatic assembly can be realized, and product cost is reduced.

Description

technical field [0001] The invention relates to a waterproof USB2.0 connector grounding structure. Background technique [0002] With the improvement of consumer experience requirements, traditional mobile phone adapters without waterproof performance can no longer meet market demand. In the future, the mobile phones launched by mainstream mobile phone manufacturers in the market will require waterproof performance for their matching adapters. Therefore, the commonly used output interface USB2.0 connector needs to be designed and customized for waterproof performance. At present, the commonly used USB2.0 waterproof connector uses two independent metal shell parts to realize the grounding function. The two independent metal shell parts include an inner metal shell and an outer metal shell. The inner metal shell is provided for mutual matching with the plug The insertion and extraction force at the same time and the elastic contact with the plug shell, the outer metal shell a...

AI Technical Summary

Problems solved by technology

[0003] (1) The outer metal shell is buckled on the insulator in an up-and-down manner, and the grounding leg is integrated with the outer metal shell. Due to the limitation of the bending accuracy of the mold, the position of the grounding leg is poor, which may easily cause the machine to support the product. When the PCB board is welded, the foot is deformed by force;

[0004] (2) The volume of the outer metal shell is large, and the cost of parts is high. At the same time, due to structural limitations, it is very difficult to assemble the metal shell with an automatic machine, resulting in low assembly efficiency and high cost.

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