Foldable Chair Cup Holder With Nested Sleeve and Cup Bottom
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Solution Overview
Problem
Existing cup holders for leisure chairs are complex, time-consuming to prepare, and occupy space when folded, lacking a simple and space-efficient design.
Innovation Solution
A foldable cup holder system comprising a hollow fixing seat, an elastic middle sleeve, and an elastic cup bottom with limiting rims and detentions, allowing for easy attachment, detachment, and minimal space usage when folded.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a cup holder is added to a leisure chair, then convenience for holding drinks is improved, but device complexity and cost increase
Solution Approach 1:
The cup holder components are designed to nest within each other when not in use. The elastic middle sleeve contains the cup bottom, and the fixing seat accommodates the assembled components, creating a compact nested structure that minimizes space and simplifies the overall device when the cup holder is not being used.
Solution Approach 2:
The cup holder is divided into separate functional components: a fixing seat for attachment, an elastic middle sleeve for structural support and folding, and a cup bottom for holding the drink. These segmented parts can be independently manufactured and assembled, reducing overall complexity while maintaining functionality.
2Ease of operation
If a traditional cup holder is installed on the chair, then drink holding function is improved, but space occupation when folded increases
Solution Approach 1:
The cup holder components are designed to nest within each other when not in use. The elastic middle sleeve contains the cup bottom, and the fixing seat accommodates the assembled components, creating a compact nested structure that minimizes space and simplifies the overall device when the cup holder is not being used.
Solution Approach 2:
The cup holder incorporates dynamic folding capability through the elastic middle sleeve that can bend and collapse. The limiting rims and detentions allow the structure to transition between extended (functional) and folded (compact) states, enabling the device to adapt its volume based on usage requirements.
3Reliability
If a cup holder with secure locking mechanism is designed, then reliability of drink holding is improved, but manufacturing complexity and time increase
Solution Approach 1:
The elastic middle sleeve and cup bottom incorporate self-locking functionality through their elastic properties and the limiting detentions. When assembled, the elastic deformation automatically creates friction and mechanical interlocking without requiring additional locking mechanisms, buttons, or complex fastening systems, thereby ensuring reliability while maintaining manufacturing simplicity.
Solution Approach 2:
The limiting detentions act as intermediaries between the cup bottom and middle sleeve, providing secure connection points that distribute mechanical stress and ensure reliable assembly without requiring complex locking mechanisms throughout the entire structure.
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 system provides a simple, space-efficient, and convenient cup holder that can be easily assembled and disassembled, allowing for minimal space occupation when not in use, while ensuring the drink remains secure.
Implementation Method 1
a hollow elastic cup holder middle sleeve (2), and an elastic cup bottom (3)
Data Source
AI summary
A cup holder for a chair includes a cup holder fixing seat, a cup holder middle sleeve and a cup bottom. The fixing seat includes a connecting part and a first limiting rim. The middle sleeve includes second and third limiting rims and at least one first detention. The cup bottom includes a fourth limiting rim and at least one second detention. The second limiting rim is slidable along an inner wall of the fixing seat, and the fourth limiting rim is slidable along an inner wall of the middle sleeve. When unfolded, the second limiting rim of the middle sleeve is seated on and supported by the first limiting rim of the fixing seat, the fourth limiting rim of the cup bottom is seated on and supported by the third limiting rim of the middle sleeve.