Vehicle Sliding Door Hinge Latching for Stable Multi-Position Motion
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Solution Overview
Problem
Existing pantographic hinge devices for vehicle sliding doors lack a reliable dual latching mechanism that can securely hold the door in multiple configurations, particularly during longitudinal and transverse movements, which can lead to instability and improper operation.
Innovation Solution
A hinge apparatus with a latching mechanism that includes electromechanical components, such as electromagnets and ferromagnetic materials, allowing for configurable locking and unlocking of the hinge linkage members, enabling secure retention in both closed and open configurations, and facilitating smooth translational movement of the door.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a latching mechanism is added to the hinge apparatus to secure the door in multiple configurations, then the reliability and stability of the door operation is improved, but the device complexity increases
Solution Approach 1:
The latching mechanism is integrated within the existing hinge linkage structure, with latch members that nest between the first and second hinge linkage members. The electromagnet is embedded in one of the linkage members, and ferromagnetic materials are incorporated into the existing structural components, allowing the latching function to be nested within the hinge apparatus without requiring separate external locking mechanisms.
Solution Approach 2:
The patent replaces traditional mechanical latching mechanisms with an electromagnetic latching system. Instead of using complex mechanical springs, levers, and cam-based locking systems, the invention uses an electromagnet that can be energized or de-energized to provide latching and unlatching functions. This substitution simplifies the mechanical complexity while improving reliability through controlled electromagnetic engagement.
2Measurement precision
If electromechanical latching components are incorporated into the hinge linkage members, then the control precision over door movement is improved, but the weight of the moving object increases
Solution Approach 1:
The electromagnetic latching components are localized to specific positions within the hinge linkage members where they are most effective. The electromagnet is positioned in one linkage member, and ferromagnetic latch members are positioned in corresponding locations on the other linkage member. This localized placement provides precise control at the critical latching points without distributing weight throughout the entire hinge structure.
Solution Approach 2:
The patent incorporates ferromagnetic materials into the existing hinge linkage members, creating composite structures that combine structural materials with magnetic materials. This allows the same components to serve both structural and magnetic functions, eliminating the need for separate heavy magnetic assemblies and reducing overall weight while maintaining the electromagnetic latching capability.
3Adaptability or versatility
If the latching mechanism is designed to operate in both closed and open configurations, then the versatility of the hinge apparatus is improved, but the manufacturing complexity increases
Solution Approach 1:
The electromagnet and ferromagnetic latch members are designed as universal components that can engage at multiple positions within the hinge apparatus's range of motion. The same electromagnet assembly can provide latching at both the closed configuration and open configuration, as well as intermediate positions. This universal design allows a single latching mechanism to perform multiple functions across different door positions, reducing the need for multiple specialized latching systems and simplifying manufacturing.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides a stable and secure door operation by ensuring the hinge apparatus remains locked in desired configurations, allowing for efficient longitudinal and transverse movement of the vehicle door, enhancing the operational reliability and safety of the sliding door mechanism.
Implementation Method 1
The latching mechanism may comprise at least one electromagnet
Implementation Method 2
The latching mechanism may comprise at least one permanent magnet
Implementation Method 3
The latching mechanism may comprise at least one permanent magnet
Data Source
AI summary
Aspects of the present invention relate to hinge apparatus for supporting an aperture closure member. The hinge apparatus is configurable in at least first and second configurations. The hinge apparatus includes a first hinge bracket and a second hinge bracket. A first hinge linkage member is pivotally mounted to each of the first and second hinge brackets. A second hinge linkage member is pivotally mounted to each of the first and second hinge brackets. A latching mechanism is provided for selectively latching the hinge apparatus. The latching mechanism is operable to inhibit movement of the first and second hinge linkage members relative to each other to latch the hinge apparatus. The present invention also relates to a carrier assembly for carrying an aperture closure member; and a vehicle having a carrier assembly.