Wooden Building Block Structure for Stable Multi-Size Assembly
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Solution Overview
Problem
Existing wooden building blocks face issues with shrinkage and expansion due to material characteristics, leading to large matching tolerances and difficulty in assembly, especially when blocks of different specifications are combined.
Innovation Solution
The design incorporates arc-shaped convex ribs on the inner walls of grooves, forming an interference fit with connecting posts to ensure stable assembly, and allows for the combination of blocks with different specifications through radial pre-tightening forces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional connecting structures are used for wooden building blocks, then the structure is simple, but the assembly stability is poor due to large matching tolerance caused by material shrinkage and expansion
Solution Approach 1:
The convex rib is designed with an arc-shaped cross section instead of a flat or angular surface. This curved geometry allows the rib to deform elastically during assembly, accommodating the natural shrinkage and expansion of wooden blocks while maintaining a stable connected state. The arc shape provides gradual contact and distribution of forces, improving assembly stability without requiring complex multi-component connectors.
Solution Approach 2:
The invention changes the physical parameters of the connecting structure by introducing an interference fit between the connecting post and the convex rib. The convex rib is designed with specific dimensional parameters that create a tight fit, and the arc-shaped cross section allows for controlled deformation. This parameter optimization enables the simple rib structure to achieve reliable assembly stability by leveraging the elastic properties of the material and the interference fit mechanism.
2Adaptability or versatility
If building blocks of different specifications are designed, then play diversity is enhanced, but assembly difficulty increases due to incompatible connection interfaces
Solution Approach 1:
The convex rib with arc-shaped cross section serves as a universal connection element that can interface with connecting posts from building blocks of different specifications. The arc shape provides a consistent deformation characteristic regardless of block size, allowing the same rib design to work across various block types. This universalizing the connection interface enables players to combine different specifications of wooden blocks without encountering compatibility issues.
Solution Approach 2:
The arc-shaped convex rib provides a compliant connection surface that can adapt to dimensional variations between different block specifications. The curved geometry allows the rib to deform appropriately when inserted into connecting posts of slightly different sizes, maintaining ease of assembly while supporting versatility. The arc shape ensures that the rib can accommodate the natural tolerances and variations inherent in handcrafted wooden blocks.
3Strength
If interference fit is used to improve assembly stability, then connection strength increases, but friction resistance during assembly increases
Solution Approach 1:
The arc-shaped cross section of the convex rib is critical in reducing friction resistance during assembly. The curved surface allows for gradual engagement and contact between the connecting post and rib, distributing the insertion force over a larger portion of the interface. This reduces peak friction forces compared to flat or angular surfaces, enabling the interference fit to achieve strong connection without requiring excessive insertion force.
Solution Approach 2:
The convex rib is designed to be dynamically deformable rather than rigid. The arc-shaped cross section allows the rib to elastically deform during assembly, adapting to the connecting post and maintaining optimal contact. This dynamic behavior reduces friction resistance by allowing the interface to conform to each other during insertion, while still providing strong connection strength once assembled through the interference fit.
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
The solution enhances assembly stability, reduces friction resistance, and facilitates the combination of blocks with varying specifications, improving play diversity and user experience.
Implementation Method 1
the connecting post in interference fit with the convex rib. By providing the arc-shaped convex ribs on the inner wall of the groove, an interference fit is formed between the connecting post and the convex point on the front of the convex rib, and engagement part is locked
Implementation Method 2
convex ribs are disposed on the grooves corresponding to the wooden building block structures, so that the convex ribs will be extruded and deformed and generate radial pre-tightening force during assembling, thereby locking the engagement part
Implementation Method 3
convex ribs will be extruded and deformed and generate radial pre-tightening force during assembling
Data Source
AI summary
The present disclosure provides a wooden building block structure, which comprises building block bodies, wherein the upper end of each building block body is provided with a connecting post, the bottom end of the building block body is provided with a groove, and the inner wall of the groove is provided with a convex rib with an arc-shaped cross section corresponding to the connecting post; and when the building block bodies are connected, the connecting post is in interference fit with the front wall of the convex rib. The wooden building block is more environmentally friendly, and the problem of poor assembling stability caused by the material is solved by the fitting of the convex rib and the connecting post.