Fixing assembly

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Solution Overview

Problem

Existing slide rail fixing units in drawer assemblies require high force for coupling and are costly, leading to deformation and separation issues due to decreased fixing force over time, necessitating a simpler and more convenient installation method.

Innovation Solution

A two-piece fixing unit comprising a first fixing clip laterally fixed to the horizontal frame and a second fixing clip vertically fixed, with specific structural features such as inclined parts and convex surfaces, allowing for easy coupling and preventing separation, thereby simplifying the assembly and enhancing user convenience.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a complex fixing unit structure or high elastic force structure is used to maintain high coupling force, then the fixing force is improved, but the coupling force required increases and cost increases

Engineering Contradiction:

Improvefixing forceVSAvoidcoupling force required

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The fixing unit is divided into two separate clips: a first fixing clip that provides lateral fixing and a second fixing clip that provides vertical fixing. This segmentation allows each clip to be optimized for its specific function, enabling easy coupling with small force while maintaining reliable fixing strength through the combined action of both clips

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Instead of using a single complex fixing unit that requires high coupling force, the invention inverts the approach by using two simple clips with different orientations (lateral and vertical). The first fixing clip engages with angular end portions through insertion coupling, while the second fixing clip engages with the horizontal frame in reverse direction, collectively providing strong fixing with minimal coupling effort

Inventive Principle:

Principle #13The other way round (Inversion)

2Reliability

If a complex fixing unit structure is used to maintain high coupling force, then the fixing force is improved, but the device complexity increases

Engineering Contradiction:

Improvefixing forceVSAvoidfixing unit structure

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The fixing unit is segmented into two independent clips with distinct functions: the first fixing clip for lateral engagement with angular end portions and the second fixing clip for vertical engagement with the horizontal frame. This segmentation simplifies each individual component's structure while achieving reliable fixing through their combined action

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Each fixing clip is designed to perform multiple functions: the first fixing clip provides both lateral positioning and engagement through its coupling parts, while the second fixing clip provides vertical support and additional engagement. This multi-functionality reduces the need for additional components, simplifying the overall device structure while maintaining high fixing reliability

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Reliability

If a high elastic force structure is used to maintain high coupling force, then the fixing force is improved, but the cost increases

Engineering Contradiction:

Improvefixing forceVSAvoidcost

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

By segmenting the fixing unit into two simple clips rather than using a single complex high-elastic-force mechanism, the manufacturing cost is reduced. Each clip can be manufactured independently using simpler processes, avoiding the need for expensive high-elastic-force materials and complex manufacturing steps

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The fixing clips are designed as simple, cost-effective components that can be easily manufactured and replaced if needed. Rather than using expensive high-elastic-force structures, the invention employs simple clip designs that achieve the required fixing force through their geometric configuration and engagement mechanism, reducing material and manufacturing costs

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

Data Source

PatentUS11992121B2Fixing assembly

Publication Date: 2024.05.28 SEGOS

AI summary

An embodiment of the present invention provides a fixing assembly comprising: a wire rack having a vertical frame and a horizontal frame; a slide rail which has a fixed rail coupled to the wire rack and a movable rail slidably disposed on the fixed rail; and a fixing means for fastening the fixed rail to the wire rack, wherein the fixing means comprises a first fixing clip provided on one side of the fixed rail and a second fixing clip provided on the other side of the fixed rail. The fixing assembly has a structure in which the first fixing clip is fixed laterally to the horizontal frame, and then the second fixing clip is fixed vertically to the horizontal frame.