Lock Lever Elastic Piece Layout for Console Box Operability
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Solution Overview
Problem
Existing lock lever designs for console boxes face a trade-off between design freedom and operability, as the proximity of the rotating shaft to the lid body's end reduces the length of the elastic piece, thereby deteriorating operability.
Innovation Solution
A lock lever design that includes a base portion with an operation portion, a rotation shaft portion pivotally supported by the lid body, a lock portion that rotates with the base portion, and an elastic piece extending from the base portion to bias the lock portion, allowing the lock lever to maintain operability while increasing design freedom.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the rotating shaft portion is disposed on an end portion side of the lid body, then the degree of freedom in design of the lid body is increased, but the length of the elastic piece becomes shorter and operability deteriorates
Solution Approach 1:
The elastic piece is configured to extend in a direction that is not parallel to the rotation axis direction, specifically extending from the base portion so as to approach the rotation shaft portion and then separate from it toward a tip end. This spatial reconfiguration allows the elastic piece to maintain sufficient length and leverage for good operability while accommodating the compact positioning of the rotation shaft near the lid body end, thus resolving the contradiction between design freedom and operability.
2Adaptability or versatility
If the rotating shaft portion is disposed closer to the end portion side of the lid body, then design freedom is increased, but the elastic piece length decreases
Solution Approach 1:
The elastic piece adopts a three-dimensional configuration that extends from the base portion toward the rotation shaft portion and then continues to a tip end that is offset from the rotation axis direction. This spatial arrangement allows the elastic piece to achieve sufficient effective length for maintaining operability while accommodating the compact positioning of the rotation shaft near the lid body end, thus resolving the contradiction between design freedom and elastic piece length.
3Adaptability or versatility
If the rotation shaft portion is positioned near the end of the lid body, then design flexibility is improved, but the lever arm length of the elastic piece is reduced
Solution Approach 1:
The elastic piece is configured to extend from the base portion in a direction that approaches the rotation shaft portion and then separates from it toward a tip end, creating a lever arm that extends perpendicular to or at an angle to the rotation axis. This spatial reconfiguration maintains sufficient lever arm length for effective force application and good operability while accommodating the compact positioning of the rotation shaft near the lid body end, thus resolving the contradiction between design flexibility and lever arm length.
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 proposed lock lever design effectively suppresses the decrease in operability while allowing for increased design freedom of the lid body, enhancing the overall functionality and usability of the console box.
Implementation Method 1
an elastic piece that extends from the base portion and has a tip end side configured to elastically contact the lid body to bias the lock portion in a rotation direction to lock the lock portion
Data Source
AI summary
There is provided a lock lever including: a base portion having an operation portion; a rotation shaft portion that is pivotally supported by the lid body and that allows the base portion to rotate; a lock portion that is configured to rotate together with the base portion and that is configured to be locked to or unlocked from the fixed body in accordance with rotation; and an elastic piece that extends from the base portion and that has a tip end side configured to elastically contact the lid body to bias the lock portion in a direction to lock the lock portion. The elastic piece extends from the base portion so as to approach the rotation shaft portion, and extends so as to be separated from the rotation shaft portion toward a tip end on the way when viewed in a rotation axis direction.