Tool Box Storage Member Pivot Mechanism
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Solution Overview
Problem
Conventional tool boxes do not allow screwdriver heads or sockets to be pivoted for exhibition purposes, limiting their functionality for easy recognition and retrieval.
Innovation Solution
A tool box design featuring two pivoted halves with positioning units, including straight and arc-shaped guide grooves, and pivot cavities, enabling storage members to be removably and pivotally positioned in multiple orientations (vertical, inclined, and horizontal) within the tool box.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If storage members are fixed in conventional tool boxes, then tools can be stored, but tools cannot be pivoted for exhibition purpose
Solution Approach 1:
The storage member is designed to be pivotable relative to the tool box body, transitioning from a fixed static position to a dynamic adjustable position. The positioning unit enables the storage member to rotate between multiple positions (e.g., horizontal, vertical, inclined) allowing tools to be displayed or accessed in various orientations while maintaining secure storage when fixed.
Solution Approach 2:
The positioning unit is divided into multiple functional components: a pivot cavity for rotation, a guide groove for constraining movement path, and a positioning cavity for securing specific positions. This segmentation allows the complex pivoting function to be achieved through simpler, modular elements that work together.
2Ease of operation
If storage members are made pivotable, then tools can be exhibited in various positions, but the structure becomes more complex
Solution Approach 1:
The positioning unit is designed to guide the storage member's movement and positioning automatically through geometric constraints (guide grooves and pivot cavities). The user simply needs to rotate the storage member, and the guide grooves naturally constrain the movement path and indicate correct positioning, eliminating the need for complex locking mechanisms or external positioning aids.
Solution Approach 2:
The guide groove acts as an intermediary element between the pivot cavity and the positioning cavity. It mediates the rotation movement by providing a constrained path that transitions smoothly from the rotational degree of freedom in the pivot cavity to the fixed position in the positioning cavity, simplifying the overall mechanism.
Data Source
AI summary
A tool box includes two pivoted halves, at least one of which has a chamber with a bottom and two opposite walls. Plural positioning units are disposed on the walls and each include a straight guide groove, a guide gap and a positioning cavity at two ends of the straight guide groove, a first pivot cavity located closer to the bottom than the positioning cavity, a second pivot cavity between the positioning cavity and a positioning cavity of a neighboring positioning unit, and an arc-shaped guide groove covering the first and second pivot cavities. The arc-shaped guide groove has two arc-shaped ends to connect the first pivot cavity and a straight guide groove of the neighboring positioning unit. The storage member has pivots pivotally disposed in the first pivot cavity and the positioning cavity, or in the first or second pivot cavity of the neighboring positioning unit.