A product of the group comprising cabinets, bookshelves or other storage systems, comprising a device for facilitating assembly of said product
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Solution Overview
Problem
Existing assembling devices for cabinets and storage systems, such as wooden plugs, often struggle with alignment issues due to tolerance problems, where plugs may fall out if too thin or break if too wide, making the assembly process difficult and prone to misalignment.
Innovation Solution
A device comprising a first unit with a hollow piston that moves between retracted and extended positions, activated magnetically by a second unit's permanent magnet, ensuring correct alignment and snap-fit engagement, providing a clear auditory feedback and stability during assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a wooden plug is used for assembly, then alignment stability is improved, but ease of operation deteriorates due to difficulty in insertion and handling
Solution Approach 1:
The patent replaces the purely mechanical wooden plug system with a hybrid system incorporating magnetic interaction. The magnetic force automatically draws the piston into the cavity when parts are aligned, eliminating the need for manual insertion while maintaining alignment stability. This substitution of mechanical insertion with magnetic attraction directly resolves the contradiction between stability and ease of operation.
Solution Approach 2:
The magnetic piston-cavity system is self-activating when parts are correctly positioned. The magnetic attraction automatically pulls the piston into the cavity without requiring user intervention for insertion, while the spring provides automatic retraction when parts are separated. This self-service mechanism eliminates handling difficulties while preserving alignment stability.
2Measurement precision
If a wooden plug is used for assembly, then alignment guidance is improved, but reliability deteriorates due to plugs falling out or breaking
Solution Approach 1:
The patent replaces the fragile wooden plug with a magnetic actuation system where a piston is drawn into a cavity by magnetic force. This eliminates the structural weaknesses of wooden plugs (falling out, breaking) while maintaining precise alignment guidance through the magnetic field and mechanical cavity constraints.
Solution Approach 2:
The system combines magnetic materials (piston and activator part) with mechanical structures (cavity and spring) to create a composite assembly mechanism. This composite approach provides both the alignment precision of mechanical guides and the reliability of magnetic retention, avoiding the failures inherent in single-material wooden plugs.
3Ease of operation
If a magnetic piston system is used, then ease of operation is improved through automatic alignment, but device complexity increases
Solution Approach 1:
The assembly system is segmented into two simple components: a piston unit embedded in one part and a cavity unit with activator in the other. Each unit is simple in itself, but together they provide automatic magnetic alignment. This segmentation allows complexity to be distributed and minimized in each component while achieving the overall ease of operation.
Solution Approach 2:
The piston is nested within the first unit and the activator part is nested within the second unit's cavity structure. This nesting consolidates the magnetic and mechanical elements into compact embedded units, reducing the overall device complexity while maintaining the automatic alignment function.
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
Facilitates easier and accurate alignment of parts without manual handling of plugs, ensuring correct assembly and stability through a snap-fit mechanism, allowing for secure fastening with screws or other fasteners.
Implementation Method 1
The second unit comprises an activator part that interacts magnetically with the piston such that the piston automatically moves to the extended position
Implementation Method 2
A spring is arranged to urge the piston towards the retracted position
Data Source
Figure 1A~2
Figure 3
AI summary
The present disclosure relates to a device for facilitating assembling of a product involving attaching a first surface (5), of a first part, to a second surface (7), of a second part. The device comprises a first unit (9) intended to be embedded in the first surface and a second unit (11) unit intended to be embedded in the second surface, and having a cavity that is open at the second surface. The first unit comprises a piston (17), which is moveable between a retracted position and an extended position, where the piston extends out of the first unit. The second unit comprises an activator part that interacts magnetically with the piston such that the piston moves to the extended position, extending into the cavity, when the first and second surfaces are in contact and the first and second openings are aligned.