Fuel Cap Actuator with Nested Locking Mechanism
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Solution Overview
Problem
Existing actuating devices for fuel caps on vehicles require significant space, are complex, and have complicated assembly processes, with separate locking mechanisms increasing costs and complexity.
Innovation Solution
An actuating device with a dual-function locking mechanism that includes a first locking element for the fuel cap and a second locking element for the actuating element, allowing for convenient opening, closing, and locking of the fuel cap, with automatic locking when the central locking system is activated, and a curved movement path to reduce space requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a separate locking mechanism is added to deactivate the push-push function, then the fuel cap can be completely locked, but the device complexity and cost increase
Solution Approach 1:
The patent combines the locking mechanism and push-push actuator into a single integrated unit. The locking mechanism includes a locking element that can lock both the fuel cap and the actuating element simultaneously, eliminating the need for separate locking components and reducing overall device complexity while maintaining reliable locking functionality
Solution Approach 2:
The locking element serves multiple functions: it can lock the fuel cap in the closed position, lock the actuating element to prevent push-push operation, and potentially unlock both functions when activated. This multi-functionality reduces the number of separate components needed in the system
2Reliability
If a separate locking mechanism is added to deactivate the push-push function, then the fuel cap can be completely locked, but the assembly becomes more complicated
Solution Approach 1:
By integrating the locking mechanism within the push-push actuator housing, the patent creates a single assembly unit that can be manufactured and installed as one component. The locking element, locking chamber, and actuating element all work together within a unified structure, simplifying the assembly process compared to installing separate locking mechanisms
3Volume of moving object
If the actuator is made compact to reduce space requirement, then the space efficiency improves, but the assembly complexity increases
Solution Approach 1:
The patent employs a nested structure where the locking element is positioned within the actuator housing, the locking chamber is integrated into the housing structure, and the actuating element moves within the confined space of the housing. This nesting arrangement achieves compact dimensions while maintaining all necessary functional components
Solution Approach 2:
The actuating element is designed to move in a curved path rather than a simple linear trajectory, allowing it to achieve the necessary locking and actuating functions within a more compact spatial envelope by utilizing three-dimensional movement space efficiently
Data Source
AI summary
An actuating device for a fuel cap, movably arranged on a vehicle, for concealing a tank recess of the vehicle, having: a locking mechanism for locking the fuel cap in a locking state and for unlocking the fuel cap in an unlocking state, and a movably arranged actuating element which is movable by means of an opening movement from a retracted position into an extended position such that the locking mechanism can be brought into the unlocking state by this opening movement of the actuating element, wherein the locking mechanism having a first locking element for arresting the fuel cap and a second locking element for arresting the actuating element.