Modular Tool Storage with Pin-Groove Coupling
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Solution Overview
Problem
Existing tool storage devices lack a flexible and efficient solution for accommodating a variety of machine tools and accessories in a compact, space-saving manner, especially for DIY activities in urban environments, and do not provide clear storage options with easy access and energy supply.
Innovation Solution
A modular tool storage device with a base unit and interchangeable module units that allow for mechanical and electrical coupling, featuring a connection unit with pin and groove elements for secure attachment, energy transmission, and data communication, enabling flexible configuration and easy access to tools while ensuring correct polarity and efficient energy supply.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a modular design with interchangeable module units is implemented, then adaptability and versatility are improved, but device complexity increases
Solution Approach 1:
The tool storage device is divided into a basic unit and multiple interchangeable module units, each capable of being independently coupled to the basic unit. This segmentation allows the system to adapt to different storage needs by simply changing modules, rather than redesigning the entire system, thus improving adaptability while keeping individual components relatively simple.
Solution Approach 2:
The basic unit is designed with a universal connecting unit that can interface with different types of module units through standardized pin and groove elements. This universality allows a single basic unit to support multiple functions by accepting various module units, enhancing adaptability without proportionally increasing the complexity of each component.
2Reliability
If mechanical coupling with pin and groove elements is used, then reliability of connection is improved, but ease of operation deteriorates
Solution Approach 1:
The connecting unit employs asymmetric pin and groove elements where the pin fits into a corresponding groove. This asymmetric design provides reliable mechanical coupling with automatic orientation, ensuring that modules can only be attached in the correct position. The asymmetry guarantees connection reliability while the simple insert motion maintains ease of operation.
3Productivity
If electrical coupling is integrated for energy transmission, then productivity is improved, but device complexity increases
Solution Approach 1:
The electrical coupling for energy transmission is merged with the mechanical pin and groove connection system. The electrical contacts are integrated into the same coupling interface, so that a single attachment action simultaneously establishes both mechanical support and electrical connectivity. This merging improves productivity by enabling immediate energy supply upon coupling without adding separate complex electrical connection mechanisms.
Data Source
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AI summary
The invention proceeds from a tool storage device, more particularly a stationary tool storage device, comprising at least one base unit (12a; 12b; 12c; 12d) and at least one module unit (14a, 16a; 14b, 16b; 14c; 16d) for receiving at least one power tool (18a; 18b; 18c) and/or at least one power tool accessory (20a; 20b; 20c), the base unit (12a; 12b; 12c; 12d) comprising at least one connecting unit (22a; 22b; 22c; 22d) for electrically and/or mechanically coupling to the module unit (14a, 16a; 16b; 14c; 16d).