Hydraulic Connector Retractable Button Wiper Alignment
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Solution Overview
Problem
The existing wiper systems for motor vehicles face difficulties in aligning and securely attaching hydraulic and electrical connectors during blade replacement, leading to potential leaks and poor electrical contact, which is cumbersome and unergonomic, especially for inexperienced operators.
Innovation Solution
A hydraulic connector with a retractable blocking mechanism that guides and holds the connector in position, allowing for easier alignment and attachment to the mechanical connector, and an electrical connector that integrates with the hydraulic connector for secure connection and disconnection, ensuring proper alignment and contact without manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the hydraulic connector is mounted on the blade in an isostatic manner, then the connector is securely held in position, but alignment with the mechanical connector becomes difficult and requires manual intervention
Solution Approach 1:
The blocking means is made retractable, transitioning from a static blocking position during installation to a retracted position during operation. This dynamic change allows the connector to be guided into alignment initially, then secured firmly afterward, resolving the contradiction between alignment ease and positioning stability.
Solution Approach 2:
The blocking means performs a preliminary alignment function during the installation process, guiding the hydraulic connector into the correct position relative to the mechanical connector before the final securing action. This preliminary guidance action eliminates the need for manual alignment intervention while maintaining secure positioning.
2Manufacturing precision
If manual intervention is required for alignment, then precise alignment can be achieved, but the operation becomes cumbersome and unergonomic
Solution Approach 1:
The blocking means automatically performs the alignment function through its retractable mechanism, eliminating the need for manual intervention. The system serves itself by providing guided alignment during installation, then securing the connection without requiring operator effort for precision positioning, thus improving ergonomics while maintaining alignment precision.
3Reliability
If the blocking means is fixed, then the connector is securely held, but insertion and removal become difficult
Solution Approach 1:
The blocking means transitions from a blocking state during installation to a retracted state during operation, and can be re-blocked for removal. This dynamic behavior allows easy insertion and removal while maintaining secure holding during use, resolving the contradiction between holding security and operational ease.
Data Source
AI summary
A hydraulic connector for a wiper system includes an end part of an arm extending in a longitudinal direction, a blade, a mechanical connector fixed to the blade for attaching the blade to the arm, and at least one pipe for conveying a liquid to the blade via the mechanical connector and at least one button intended to connect the hydraulic connector to the end part in a standby position. The button is retractable so as to allow movement of the hydraulic connector with respect to the end part.