Hand Tool Holder Structure With Pivot-Connected Modular Bodies
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Solution Overview
Problem
Conventional combinational tool holder devices are prone to detachment of clamping structures, limiting their usability and versatility in storing and holding hand tools.
Innovation Solution
A hand tool holder structure comprising a first body unit with multiple receiving grooves and a snap-fit mechanism, combined with a second and third body unit that pivotally connect to securely mount and store hand tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a clamping structure with holder claws is used to attach body units, then the device can be assembled, but the clamping structure is easily detached causing inconvenience
Solution Approach 1:
A pivot member is introduced as an intermediary component between the holder claws and the body units. The pivot member connects multiple holder claws together, creating a unified clamping mechanism that engages with limit portions on the body units. This intermediary structure distributes the clamping force and prevents individual claws from detaching separately, thereby improving reliability while maintaining ease of assembly.
Solution Approach 2:
The clamping structure is segmented into modular components: holder claws, pivot member, and limit portions. Each component has a specific function - holder claws provide the clamping action, pivot member enables rotation and unified movement, and limit portions provide engagement points. This segmentation allows for easy assembly by simply connecting these pre-designed modules while ensuring reliable operation through their coordinated function.
2Device complexity
If a simple holder base with few receiving grooves is used, then the structure is simple, but it can only receive few hand tools limiting versatility
Solution Approach 1:
The holder structure implements a nested design where multiple body units (first body unit, second body unit, third body unit) are stacked and connected vertically. Each body unit contains receiving grooves for tools, and they are nested together through the pivot member mechanism. This nesting approach increases the total tool storage capacity while maintaining a compact and relatively simple overall structure, as the complexity is distributed across modular repeating units.
Solution Approach 2:
The holder claws and pivot member mechanism serve multiple functions: they attach body units together, provide a unified rotation mechanism for accessing tools on different body units, and engage with limit portions to prevent over-rotation. This multi-functionality allows the same structural elements to handle both the mechanical attachment and the operational control, thereby increasing versatility without proportionally increasing structural complexity.
Data Source
AI summary
A hand tool holder structure includes a first body, a second body, and a third body. The first body is provided with a receiving face, multiple first receiving grooves, a first limit portion, a first pivot portion, a recess, multiple first resting blocks, a snap-fit portion, and a first inclined face. The second body is provided with multiple second receiving grooves, a first receiving chamber, a third pivot portion, a first pivot hole, a second inclined face, a first locking block, a second limit portion, a first locking section, and a second locking section. The third body is provided with multiple third receiving grooves, a second receiving chamber, a fourth pivot portion, a second pivot hole, a third inclined face, a second locking block, a third limit portion, a third locking section, and a fourth locking section.