Swivel Chair Base Segmentation for Compact Transportation Stacking
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Solution Overview
Problem
Existing swivel chairs waste transportation resources due to irregular base structures that do not efficiently utilize compartment space during shipping, leading to increased costs.
Innovation Solution
A swivel chair base with a unique disassembly method and structure, comprising a fixed assembly, sleeve assembly, and support assembly, allowing for easy disassembly and reassembly, including detachable connections and symmetrical support feet, to minimize space usage during transportation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the base is divided into spindles and bushings for disassembly, then the chair can be stacked more compactly, but the irregular structure of the base components creates wasted space in the compartment
Solution Approach 1:
The base is divided into multiple components: a spindle, an upper sleeve, a lower sleeve, and support feet. These segmented components can be disassembled and stacked in a compact arrangement, reducing the overall volume occupied during transportation while allowing for efficient space utilization in the compartment.
Solution Approach 2:
The spindle is inserted into the upper sleeve, which is in turn inserted into the lower sleeve, creating a nested arrangement of components. This nesting structure allows the base components to be compactly stacked within each other, minimizing wasted space in the transportation compartment while maintaining the ability to easily assemble and disassemble the base.
2Loss of substance
If the base structure is made regular for efficient stacking, then transportation space utilization improves, but the disassembly and assembly process becomes more complex
Solution Approach 1:
The base is divided into standardized segments (spindle, upper sleeve, lower sleeve, support feet) with regular geometric shapes. This segmentation allows each component to have a simple, regular form that stacks efficiently, while the overall assembly remains relatively simple through straightforward insertion and connection of these standardized parts.
Solution Approach 2:
The spindle serves multiple functions: it acts as a structural support element, a connection component between the upper and lower sleeves, and a stacking element that fits within the sleeve assembly. This multi-functionality reduces the need for additional specialized components, simplifying the overall base structure while maintaining efficient stacking capabilities.
3Device complexity
If the base is designed as a single integrated piece, then the structure is simpler and more stable, but it cannot be disassembled for compact transportation
Solution Approach 1:
The base is divided into separable components (spindle, upper sleeve, lower sleeve, support feet) that can be easily disassembled and stacked. This segmentation enables compact transportation while maintaining structural simplicity through the use of basic connection methods like insertion and friction fit, avoiding complex fastening mechanisms.
Solution Approach 2:
The base transitions from a static integrated structure to a dynamic configurable structure that can be assembled and disassembled. The components are designed with features like tapered fits and friction surfaces that allow for easy assembly and disassembly while maintaining stability when assembled, enabling the base to adapt between transported and used states.
Data Source
AI summary
A swivel chair base, includes a fixed assembly, a sleeve assembly and a support assembly, the fixed assembly having a fixed frame and a spindle, with the spindle fixed below the fixed frame. The sleeve assembly includes an upper sleeve and a lower sleeve, with the upper sleeve inserted into the lower sleeve and forming a circumferential fixation. The support assembly includes at least two upper support feet, at least two lower support feet and support bracket, with the upper support foot and the lower support foot respectively detachably connected to the support bracket by fasteners, wherein, the spindle is detachably connected to the upper sleeve. An outer wall of the upper sleeve has two symmetrically arranged upper support feet, and the outer wall of the lower sleeve has two symmetrically arranged lower support feet.