Height-Adjustable Table Control Box Mounting with Snap-Clip Retention

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Solution Overview

Problem

Existing height-adjustable tables face inefficiencies in installing and removing control boxes, as the retaining clip structure relies on friction, which can lead to unstable connections and damage during the installation process, especially with heavier control boxes.

Innovation Solution

A height-adjustable table design featuring a retaining clip system with a detachable retaining plate, L-shaped retaining clip, limiting plate, reinforcing block, and semicircular snap portion, along with a buffer portion and reinforcing rib, ensures stable and secure attachment of the control box to the table plate without requiring tools.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a retaining clip structure relying on friction is used to attach the control box, then the installation process becomes simpler and tool-free, but the connection stability deteriorates when the control box weight exceeds the friction capacity

Engineering Contradiction:
Improveinstallation convenienceVSAvoidconnection stability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The attachment system is divided into multiple functional components: a retaining clip with receiving recess for friction-based initial attachment, a retaining plate with snap portion for secondary securement, and a limiting plate with buffer portion for protection. This segmentation allows each component to address specific aspects of the contradiction - the retaining clip provides easy installation while the retaining plate ensures stable connection.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The retaining clip with receiving recess performs a preliminary friction-based attachment that positions and secures the control box initially. This preliminary action enables easy installation, after which the retaining plate can be engaged to provide enhanced stability for heavier control boxes, thus resolving the contradiction between ease of installation and connection reliability.

Inventive Principle:
Principle #10Preliminary action

2Reliability

If the control box is securely attached using a complex retaining structure, then connection stability improves, but the risk of damage during installation increases due to impact forces

Engineering Contradiction:
Improveconnection stabilityVSAvoidimpact damage risk
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The buffer portion is positioned in advance between the limiting plate and the control box. When the retaining plate is snapped into place, this pre-positioned buffer absorbs the impact force, preventing damage to the control box while still allowing the retaining structure to provide secure attachment. This beforehand cushioning resolves the contradiction between connection stability and impact damage risk.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

Solution Approach 2:

The buffer portion acts as an intermediary element between the retaining plate and the control box. It mediates the interaction by absorbing impact forces during installation, thereby protecting the control box from damage while allowing the retaining plate to achieve secure engagement. This intermediary component resolves the contradiction between reliable attachment and damage prevention.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Device complexity

If a simple friction-based retaining clip is used, then device complexity is reduced, but the service life of components decreases due to insufficient protection

Engineering Contradiction:
Improvestructure simplicityVSAvoidcomponent service life
Core Design Contradiction:
Device complexityVSDuration of action of stationary object

Solution Approach 1:

The protection system is segmented into distinct functional elements: the limiting plate provides structural support and positioning, while the buffer portion provides impact protection. This segmentation allows each component to be simple in design yet effective in function, extending component service life without significantly increasing overall device complexity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The buffer portion serves as an intermediary protective element that extends the service life of the control box and retaining structures by absorbing impact forces during installation and removal. This simple buffer component significantly enhances durability without adding complex mechanisms, thus resolving the contradiction between device simplicity and component service life.

Inventive Principle:
Principle #24Intermediary (Mediator)

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 provides a convenient, stable, and secure connection of the control box to the table plate, preventing falls and damage, while extending the service life of components through enhanced structural strength and impact protection.

Implementation Method 1

a snap portion (11) configured to be snapped into the groove (10)

Methodology Applied
Scientific EffectElasticity: Elasticity

Implementation Method 2

The base plate on which the control box is placed is suspended only by a friction between the folded edges, the table plate and the support beams

Methodology Applied
Scientific EffectFriction: Friction

Data Source

PatentUS11950697B2Height-adjustable table
Publication Date: 2024.04.09 DEWERTOKIN TECHNOLOGY GROUP CO LTD
  • US11950697B2 patent drawing
  • US11950697B2 patent drawing
  • US11950697B2 patent drawing

AI summary

The present application relates to a height-adjustable table including a table plate. a table leg is fixedly connected to a side surface of the table plate, two brackets are arranged oppositely on the side surface of the table plate, and a retaining plate is fixedly connected to opposite inner sides of the two brackets, respectively. A control box is provided, a retaining clip is fixedly connected to the control box, and the retaining clip is detachably connected to the retaining plate.