Embedded Toolbox Doorframe Structure for Stand-Still Stability
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Solution Overview
Problem
Toolboxes without a doorframe are not firm enough to stand still, making them difficult to use effectively.
Innovation Solution
An embedded doorframe structure is integrated into the toolbox, comprising a left-side frame, right-side frame, upper rail, and lower rail, which are fixed using fasteners and screws to create a stable rectangle frame body, with U-shaped rails and a baffle plate for secure assembly and connection to the toolbox's plates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If no doorframe is provided in the toolbox, then the structure is simpler and cost is lower, but the toolbox is not firm enough and cannot stand still
Solution Approach 1:
The doorframe structure is divided into multiple independent components including left and right vertical frames, upper and lower horizontal rails, and connection fasteners. This segmentation allows each component to be optimized independently while assembling to form a complete stabilizing structure that provides firmness without excessive complexity
Solution Approach 2:
The doorframe structure is embedded within the toolbox body, with the vertical frames nested between the lateral plates and the horizontal rails nested between the upper and lower plates. This nesting approach integrates the stabilizing structure into the existing toolbox geometry, providing firmness while minimizing additional complexity
2Stability of the object's composition
If an embedded doorframe structure is added to enhance stability, then the toolbox can stand still, but the structure becomes more complex and assembly becomes harder
Solution Approach 1:
The doorframe components are designed with pre-configured connection features including built-in fastener holes, screw holes in the U-shaped rails, and positioning clamps on the plates. These preliminary configurations enable straightforward assembly without requiring complex alignment procedures or specialized tools
Solution Approach 2:
Standard fasteners and screws serve as intermediary elements that simplify the connection between doorframe components and the toolbox structure. These intermediaries provide standardized, easy-to-use connection mechanisms that maintain stability while facilitating simple assembly and disassembly operations
3Reliability
If multiple fasteners and screws are used to fix the doorframe structure, then the connection is more secure, but the manufacturing cost increases
Solution Approach 1:
The doorframe structure employs standard, inexpensive fasteners and screws rather than custom-designed expensive connectors. These conventional fastening elements provide sufficient connection reliability for the application while keeping manufacturing costs low, as they can be sourced from standard inventory without special tooling or manufacturing processes
Data Source
AI summary
Disclosed is an embedded doorframe structure of a toolbox. The left side and the right side of the doorframe structure is configured and fixed at the front end of a left lateral plate of the toolbox and a right lateral plate of the toolbox by a fastener. The upper side of the doorframe structure is connected to the inner side of the left lateral plate of the toolbox and the inner side of the right lateral plate of the toolbox by a screw. The lower side of the doorframe structure is configured at the front end of a bottom plate of the toolbox, and is clamped and fixed by the left lateral plate of the toolbox and the right lateral plate of the toolbox. A bolt of the toolbox is connected to the inner side of the doorframe structure.