Mechanical Panel Locking Assembly for Tool-Free Stable Joining
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Solution Overview
Problem
Existing furniture assembly methods require tools and can lead to incorrect installation, instability, and a lack of aesthetic appeal, particularly in the use of mechanical locking devices for panels.
Innovation Solution
A mechanical locking device comprising a rod-shaped element and an insertion groove with a locking groove and part, where the angles and positions of these components facilitate tool-free assembly, stability, and aesthetic alignment, using a spring-loaded locking part that automatically locks panels when assembled.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional mechanical locking devices are used for panel assembly, then the panels can be locked together, but the assembly process requires tools and is complex
Solution Approach 1:
The locking device is designed to be self-assembling without tools. The rod-shaped element automatically engages with the insertion groove when panels are brought together, and the spring-loaded locking part automatically locks into place through the locking groove, making the entire assembly process self-service and tool-free
Solution Approach 2:
The locking device is divided into distinct functional segments: the rod-shaped element for insertion, the spring-loaded locking part for securing, and the groove structures for guidance. This segmentation allows each component to perform its specific function independently, simplifying the overall assembly process while maintaining functionality
2Reliability
If conventional locking mechanisms are used, then panels can be connected, but incorrect installation and instability occur
Solution Approach 1:
The locking groove and insertion groove are pre-configured with specific angle relationships (third angle different from first angle) during manufacturing. This preliminary configuration ensures that when the rod-shaped element is inserted, it automatically follows the correct path and engages the locking part in the proper position, preventing incorrect installation before it can occur
Solution Approach 2:
The spring-loaded locking part provides tactile and mechanical feedback during assembly. As the panels are brought together, the spring compresses and then locks into the locking groove, providing clear feedback that correct installation has been achieved. This feedback mechanism guides the user to proper assembly without requiring complex alignment procedures
3Stability of the object's composition
If simple locking devices are used for easy assembly, then assembly is simplified, but aesthetic appeal and stability are compromised
Solution Approach 1:
The locking device employs asymmetric angle configurations where the third angle of the locking groove is deliberately different from the first angle of the rod-shaped element. This asymmetric design creates a stable interlocking geometry that prevents panel separation while maintaining a clean, minimalistic appearance without requiring visible fasteners or complex hardware
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
Enables easy, tool-free assembly of panels with enhanced stability and aesthetic appeal, reducing the risk of incorrect installation and improving the locking mechanism's functionality.
Implementation Method 1
the locking part is flexible... the locking part comprises a spring
Data Source
AI summary
A set including a first panel, a second panel and a mechanical locking device for locking the first panel to the second panel, wherein the first panel includes a first edge surface, the second panel includes a second panel surface, the first edge surface is facing the second panel surface in a locked position of the first and the second panel, the mechanical locking device includes at least one rod-shaped element at the first edge surface, at least one insertion groove at the second panel surface, the rod-shaped element is configured to be inserted into the insertion groove, the rod-shaped element extends at a first angle from the first edge surface, the insertion groove extends into the second panel surface at a second angle from the second panel surface, the mechanical locking device further including at least one locking groove.