Electrical Connector Positioning Tail Prevents Mating End Warping
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Solution Overview
Problem
Conventional electrical connectors compatible with both USB 2.0 and USB 3.0 specifications often experience poor electrical connections due to the mating end being prone to warping, as only the rear end is securely attached to the base board, leading to instability and connection issues.
Innovation Solution
The electrical connector features a fastening part with fixing grooves and buckling blocks, a connector body with guiding slopes and buckling grooves, and a shielding shell with positioning tails, ensuring the connector body is firmly positioned on the base board and within the shielding shell, preventing warping and ensuring a stable connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If only the rear end of the connector body is attached to the base board by soldering, then the assembly process is simple, but the mating end of the connector body becomes prone to warping and causes poor electrical connection
Solution Approach 1:
The connector body is divided into multiple attachment points: the rear end is attached to the base board via soldering, while the front end is attached to the shielding shell via the positioning tail and receiving groove structure. This segmentation distributes mechanical stress and prevents warping of the mating end while maintaining assembly simplicity.
Solution Approach 2:
The positioning tail of the shielding shell is nested into the receiving groove of the connector body, creating a nested attachment structure. This allows the shielding shell to securely hold the connector body at the front end without complicating the overall assembly process.
2Reliability
If the connector body is firmly fixed at both ends to the base board, then warping is prevented and connection stability is improved, but the assembly process becomes more complex
Solution Approach 1:
The attachment of the connector body at the front end is merged with the shielding shell structure through the positioning tail and receiving groove. This integration achieves firm fixation without requiring separate fastening components or complex assembly steps, thus maintaining manufacturing simplicity while improving connection stability.
3Stability of the object's composition
If the positioning tail is used to make the front face of the connector body flush with the shielding shell, then the connector body is prevented from warping, but the device structure becomes more complex
Solution Approach 1:
The positioning tail and receiving groove create a localized attachment structure at the front end of the connector body. This local quality enhancement provides precise positioning and prevents warping without requiring complex structural modifications throughout the entire device, thus maintaining overall structural simplicity.
Data Source
AI summary
An electrical connector includes a fastening part, a connector body assembled under the fastening part and defining at least one receiving groove at a mating end thereof, a base board positioned under the connector body, and a shielding shell. The connector body and the base board can be firmly fastened in the shielding shell by means of the fastening part. At least one end edge of the shielding shell is bent inward to form a positioning tail positioned in the receiving groove to position the mating end of the connector body with a front face of the mating end being flush with the end edge of the shielding shell and a contact face of the connector body being substantially flush with a top edge of the positioning tail, so as to avoid the mating end of the connector body wrapping in use.