Staggered Pin Hinge System for Flush Vehicle Doors
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Solution Overview
Problem
Existing hinge systems for doors and shutters in vehicles are aesthetically unappealing, mechanically complex, prone to environmental damage, and vulnerable to sabotage due to their exposed components, while flush systems fail to provide a watertight seal and are insecure.
Innovation Solution
A compact hinge system with a C-shaped connecting body and staggered pins, fully enclosed within the door and frame volume, ensuring a flush configuration and enhanced security, using a minimal number of components for reduced production costs and improved maintenance efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional hinge systems are used, then the door can be moved from closed to open configuration, but the hinge components are visible and exposed to environmental damage
Solution Approach 1:
The hinge system is nested within the door structure itself. The connecting body is received within a recess in the door, and the coupling elements are positioned within the door thickness, hiding all hinge components from external view while protecting them from environmental exposure. This nesting approach resolves the contradiction by making the hinge both invisible and protected.
Solution Approach 2:
The hinge system transitions from a two-dimensional surface-mounted configuration to a three-dimensional embedded configuration within the door volume. By utilizing the depth dimension of the door, the hinge components are positioned inside the door rather than on its surface, achieving both concealment and protection simultaneously.
2Device complexity
If traditional hinge systems are used, then the door can be moved, but the system requires numerous components increasing structural complexity
Solution Approach 1:
Multiple hinge functions are merged into a single integrated connecting body. The connecting body simultaneously provides the pivot axis, the mounting structure for coupling elements, and the structural link between door and frame. This consolidation reduces the component count from multiple separate parts to a unified structure, maintaining strength while reducing complexity.
Solution Approach 2:
The connecting body serves multiple functions: it acts as the pivot axis, provides structural support, enables rotational movement, and integrates the coupling elements. This multi-functionality allows a single component to replace what would traditionally require multiple separate parts, reducing overall system complexity while maintaining mechanical strength.
3Object-affected harmful factors
If flush hinge systems are used, then the hinge is hidden, but the system cannot guarantee a watertight seal and is vulnerable to sabotage
Solution Approach 1:
The hinge system is nested within the door's internal volume, with the connecting body received in a recess and coupling elements positioned within the door thickness. This nesting creates a naturally enclosed space that prevents water ingress and blocks access for sabotage, achieving protection without requiring additional sealing components or complex enclosure structures.
4Ease of operation
If exposed hinge components are used, then the system is functional, but the protruding parts create aerodynamic issues and safety hazards
Solution Approach 1:
All hinge components are nested within the door structure, with the connecting body in a recess and coupling elements inside the door thickness. This eliminates protruding parts that would create aerodynamic drag or safety hazards, while simultaneously protecting the hinge components from environmental damage and sabotage.
Data Source
Figure 1A
Figure 1B
Figure 2
AI summary
A hinge system (1) comprising at least a first coupling element (11a, 11b) operatively attached to a fixed frame (200) of the door (100) and at least a second coupling element (12a, 12b) operatively attached to a portion of the door (100), a connecting body (20) placed side by side and operatively connected to the first coupling element (11a, 11b) and the second coupling element (12a, 12b). The hinge system (1 ) comprises at least a first pin (30) extending along the first axis (X) and a second pin (40) extending along a second axis (Y). The first axis (X) and the second axis (Y) are staggered so as to be arranged at respective different distances (D1, D2) from a closing plane (F) defined by the door (100) and by the fixed frame (200) in a closed configuration of the door (100).