Magnetic Building Block Magnet Layout for Uniform Attraction

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Solution Overview

Problem

Existing magnetic building blocks suffer from nonuniform magnetic force distribution and require high-cost neodymium magnets for adequate attraction, increasing production costs.

Innovation Solution

A magnetic building block structure with a main body featuring multiple accommodation grooves divided into first and second groove bodies, where first groove bodies are uniformly distributed along edges and second groove bodies at corners, with abutment and limiting blocks to position magnets, using ferrite magnets for uniform magnetic force distribution.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Force

If magnets are arranged in existing magnetic building blocks, then magnetic attraction effect is achieved, but magnetic force distribution is nonuniform and production cost increases

Engineering Contradiction:

Improvemagnetic attraction effectVSAvoidproduction cost

Core Design Contradiction:

ForceVSEase of manufacture

Solution Approach 1:

The accommodation space for magnets is segmented into multiple grooves (first grooves and second grooves) with different positions and functions. The first grooves are arranged along edges while second grooves are at corners, creating a segmented spatial distribution that enables uniform magnetic force while using standard ferrite magnets instead of expensive neodymium magnets.

Inventive Principle:

Principle #1Segmentation

2Force

If magnets are arranged in existing magnetic building blocks, then magnetic attraction effect is achieved, but magnetic force distribution is nonuniform

Engineering Contradiction:

Improvemagnetic attraction effectVSAvoidmagnetic force distribution uniformity

Core Design Contradiction:

ForceVSManufacturing precision

Solution Approach 1:

Different regions of the building block are assigned different groove configurations: first grooves along edges and second grooves at corners. This local differentiation in groove placement creates a spatial distribution pattern that ensures uniform magnetic force across the entire block, with each location optimized for its specific position.

Inventive Principle:

Principle #3Local quality

Solution Approach 2:

The groove arrangement uses an asymmetric pattern where the number and position of first grooves differ from second grooves, and their spatial distributions are intentionally different (edge-aligned vs. corner-aligned). This asymmetric configuration achieves uniform magnetic force distribution that would be difficult to obtain with symmetric arrangements.

Inventive Principle:

Principle #4Asymmetry

3Force

If neodymium magnets are used to achieve better magnetic attraction effect, then magnetic attraction effect is improved, but production cost increases

Engineering Contradiction:

Improvemagnetic attraction effectVSAvoidproduction cost

Core Design Contradiction:

ForceVSEase of manufacture

Solution Approach 1:

The invention replaces expensive neodymium magnets with cheaper ferrite magnets by optimizing the groove configuration. The specific arrangement of first and second grooves maximizes the magnetic attraction effect achievable with standard ferrite magnets, making the expensive neodymium magnets unnecessary while maintaining good magnetic performance and reducing production cost.

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

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

Achieves uniform magnetic force distribution and reduces production costs by utilizing ferrite magnets, maintaining strong magnetic attraction while optimizing spatial arrangement of magnets.

Implementation Method 1

a bottom wall of each first groove body is provided with at least one abutment block in a direction extending toward an end portion; and the abutment block is configured to abut against the magnet to limit the magnet to a position adjacent to the cover body

Methodology Applied

Scientific EffectPhysical constraint:

Implementation Method 2

bottom walls of each second groove body and the other second groove body connected thereto each are provided with a limiting block in a direction extending toward the end portion, and the limiting block is configured to abut against the magnet

Methodology Applied

Scientific EffectPhysical constraint:

Implementation Method 3

building blocks are connected by arranging magnets in the building blocks, which is convenient for stacking

Methodology Applied

Scientific EffectMagnetic force: Magnetism

Data Source

PatentUS20260108820A1Magnetic building block structure with reasonable spatial distribution

Publication Date: 2026.04.23 GUANGDONG BABY LOVE TOYS IND CO LTD

AI summary

A magnetic building block structure with reasonable spatial distribution is provided. Multiple accommodation grooves in a main body are divided into first groove bodies and second groove bodies. The number of the first groove bodies is twice that of the second groove bodies, the first groove bodies are uniformly distributed along edges of sides at the two ends of the main body, the second groove bodies are uniformly distributed at corner positions of the main body, and the first groove body can limit a magnet to a position adjacent to the cover body. Based on spatial distribution of groove bodies, an equal number of magnets can be uniformly arranged on each contact surface of the main body, the magnet on each contact surface is adjacent to a housing, so the magnetic building block structure has advantages of reasonable spatial distribution, uniform magnetic force distribution, and quick perception of magnetic force.