Blind-Mate Device Connector With Guide Posts and Dust Covers
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Solution Overview
Problem
Mechanical connectors in electro-mechanical systems, such as 3D printers, often engage in blind-mate connections, making proper alignment difficult, and are susceptible to interference and signal impairment due to dust and particulates in dusty environments, which can hinder signal transmission.
Innovation Solution
A mechanical device connector with guide slots and dust covers that ensure proper alignment through complementary mating connectors and protect against airborne particulates, using guide posts and dust cover actuation mechanisms to maintain signal integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If blind-mate connection is used for mechanical connectors, then ease of operation is improved, but alignment precision deteriorates
Solution Approach 1:
Guide slots and guide posts are provided beforehand to pre-establish the alignment path before the actual connection occurs. The guide slots are formed in advance on the connector surfaces, and guide posts are positioned on mating connectors, creating a predetermined alignment trajectory that ensures accurate positioning during blind-mate operation.
Solution Approach 2:
Guide slots and guide posts act as intermediary elements that mediate between the two connectors during alignment. These intermediary features facilitate the alignment process by providing a physical interface that guides the connectors into proper position before the actual signal transmission contacts engage.
2Ease of operation
If mechanical connectors are exposed in dusty environments, then ease of operation is improved, but signal transmission quality deteriorates
Solution Approach 1:
A flexible dust cover made of elastomeric material is used to protect the mechanical connector from dust and particulates. The dust cover can be deflected or moved aside during connection operations to maintain accessibility, then returns to its protective position to seal the connector when not in use, preventing dust accumulation on signal transmission surfaces.
Solution Approach 2:
The dust cover is designed with dynamic characteristics, allowing it to be flexible and movable during operation rather than rigid and fixed. The elastomeric material enables the cover to deflect when force is applied during connection, and automatically return to its protective sealing position when the connection is complete, adapting its state between protective and accessible modes.
Data Source
Figure 1A~1C
Figure 1D~1F
Figure 1G~1H
AI summary
In an example, a device connector may comprise a male connector plate, comprising a first connector to communicatively engage with a second, complementary connector disposed on a female connector plate, a guide post for insertion into a complementary guide slot on the female connector plate, and a dust cover actuation post to engage with a dust cover actuation tab on the female connector plate. A dust cover disposed on the female connector plate may uncover the second connector upon the engagement of the dust cover actuation post with the dust cover actuation tab, such that the first connector may communicatively engage with the second connector.