Prestaged CPA Plug Single-Step Blind Assembly
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Solution Overview
Problem
Existing electrical connectors with CPA plugs require a two-step operation for alignment and insertion, which can be difficult, especially in blind assembly situations, due to the need for initial alignment and subsequent pushing into a locked position.
Innovation Solution
The CPA plug is prestaged within the connector body, allowing for a single continuous movement to push it from an initial to a final locked position, ensuring proper connection without the need for initial alignment, using a mechanism with lock mechanisms and guides to facilitate this process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the CPA plug is attached separately and requires alignment before insertion, then the connector can be assembled in a two-step operation, but the operation becomes difficult and time-consuming especially in blind assembly situations
Solution Approach 1:
The CPA plug is pre-positioned and attached to the connector body in a prestaged position before final assembly. This preliminary positioning eliminates the need for alignment during insertion, allowing the CPA plug to be simply pushed into its final locked position in a single continuous movement, thereby resolving the technical contradiction by improving ease of operation while reducing time loss.
2Reliability
If the CPA plug is inserted in a two-step operation, then alignment can be achieved, but the process becomes complex and difficult to perform
Solution Approach 1:
The CPA plug is pre-positioned and attached to the connector body in a prestaged position before final assembly. This preliminary positioning ensures proper alignment is already achieved, eliminating the need for a complex two-step insertion process. The result is a simplified single-step insertion that maintains reliable connection while reducing process complexity.
3Manufacturing precision
If the CPA plug requires initial alignment before insertion, then proper positioning can be achieved, but the operation becomes difficult in blind assembly situations
Solution Approach 1:
The CPA plug is pre-positioned and attached to the connector body in a prestaged position during manufacturing or pre-assembly. This preliminary action ensures precise positioning is achieved during production rather than during field assembly. The result is that during actual assembly operations, particularly blind assembly, the CPA plug simply needs to be pushed into its final locked position without requiring any alignment, thereby improving ease of operation while maintaining manufacturing precision.
Data Source
AI summary
An electrical connector has a CPA plug (connector position assurance plug) for assuring that the electrical connector is properly connected to a mating electrical connector. The electrical connector includes a right-angled connector body having a plurality of longitudinal channels that open into an axial shroud that plugs into a socket of the mating connector in the axial direction, and a plurality of right angled terminals that are disposed in the plurality of longitudinal channels respectively with their respective contacts disposed in the axial shroud. The axial shroud has a cover at one end and the CPA plug is attached to the cover for movement between a prestaged position and a final locked position assuring that the electrical connector is properly connected to the mating electrical connector. Three embodiments are disclosed.