Retractable Pin Module Assembly With Nested Magnets

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Solution Overview

Problem

Existing module assembly designs face issues with protruding pins being easily damaged, restricted coupling order, and exposed magnets, which complicates assembly and increases the risk of damage.

Innovation Solution

The module assembly incorporates a pin and magnet system where pins can retract and magnets are housed within the modules, allowing for flexible assembly order and protection from external impacts, with pins protruding only when modules are in contact, enabling secure and convenient coupling.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a protruding member is provided to couple modules, then modules can be connected, but the protruding member is exposed to outside and may be easily damaged by external impact

Engineering Contradiction:
Improvemodule couplingVSAvoidprotruding member durability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The protruding member is nested within a cavity in the module body when not in use, and only extends outward when another module is being coupled. This nesting protects the protruding member from external damage while maintaining its functionality for module connection.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The protruding member is designed to be movable rather than fixed, extending only when needed for coupling and retracting when not in use. This dynamic behavior reduces exposure time and protects the member from continuous external impact.

Inventive Principle:
Principle #15Dynamics

2Ease of operation

If a protruding member is provided to couple modules, then modules can be connected, but the coupling direction is restricted and modules need to be assembled in a predetermined order

Engineering Contradiction:
Improvemodule couplingVSAvoidcoupling flexibility
Core Design Contradiction:
Ease of operationVSAdaptability or versatility

Solution Approach 1:

Multiple protruding members are provided on different sides of each module, allowing the module to couple with other modules from various directions. This universal coupling capability eliminates the need for predetermined assembly order and allows flexible arrangement of modules.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Strength

If magnets are provided to maintain coupling between modules, then modules can be securely connected, but the magnets are exposed outside and may come out or be damaged

Engineering Contradiction:
Improvecoupling strengthVSAvoidmagnet protection
Core Design Contradiction:
StrengthVSReliability

Solution Approach 1:

The magnets are housed within cavities in the module bodies, nested inside the module structure rather than being exposed on the exterior. This nesting protects the magnets from damage and prevents them from becoming detached, while still allowing them to function for maintaining coupling between modules.

Inventive Principle:
Principle #7Nested doll (Nesting)

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

This design enhances the durability of the assembly by protecting pins and magnets, simplifies the assembly process, and allows modules to be connected in any order, reducing the risk of damage and improving user convenience.

Implementation Method 1

A magnet may be provided in a space between the pin installation portion and the pin receiver, and configured to maintain a state in which the pin is received in the housing

Methodology Applied
Scientific EffectMagnetic force: Magnetism

Data Source

PatentEP3217482B1Module assembly and connector and electronic device
Publication Date: 2020.11.18 LUXROBO CORP
  • EP3217482B1 patent drawingFigure 1
  • EP3217482B1 patent drawingFigure 2
  • EP3217482B1 patent drawingFigure 3(a)~3(c)

AI summary

Provided are a module assembly, a connector, and an electronic device, the module assembly including a first module that includes a pin configured to selectively protrude from a side thereof, a pin installation portion in which the pin is installed to be movable, and a first magnet configured to attract the pin into the pin installation portion, a second module to be coupled to the first module, the second module including a pin receiver configured to receive the pin when the pin protrudes from the first module, and a second magnet configured to attract the pin into the pin receiver, wherein the second magnet is configured to apply, to the pin, a greater magnitude of magnetic force than the first magnet in a case in which a distance between the first module and the second module is less than a preset distance.