Foldable support device and artificial tree
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Solution Overview
Problem
Existing support devices with radial fixed structures are bulky when stored or transported, making them inconvenient to carry and transport, and they are prone to breakage.
Innovation Solution
A foldable support device with a support seat, a support assembly, and an unfold and fold mechanism, allowing the device to switch between an unfolded state for stable support and a folded state for compact storage and transportation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a radial fixed structure is used for the support device, then the support stability is improved, but the storage and transportation space increases and convenience decreases
Solution Approach 1:
The support device employs a dynamic folding mechanism that allows the support assembly to rotate between an extended support position and a retracted storage position. The unfolding mechanism includes movable components that enable the support structure to transition from a compact folded state to a stable extended state, resolving the contradiction between stability and storage volume.
Solution Approach 2:
The support device is divided into modular segments including a support seat, support assembly, and unfolding mechanism. The support assembly can be segmented into multiple sections that fold relative to each other, allowing the structure to maintain stability when extended while reducing to a compact form for storage and transportation.
2Strength
If a radial fixed structure is used for the support device, then the support strength is improved, but the portability and ease of carrying deteriorates
Solution Approach 1:
The device transitions from a static fixed structure to a dynamic foldable structure. The support assembly can be folded along rotation axes to reduce overall dimensions for portable storage, yet maintains structural integrity and support strength when deployed. The folding mechanism includes reinforcement elements that ensure strength is preserved during the folded state for safe transportation.
Solution Approach 2:
The support assembly is designed to nest within or alongside the support seat when folded, creating a compact portable configuration. The unfolding mechanism allows the support structure to be collapsed into a space-efficient form that is easy to carry and store, while maintaining the necessary support strength when deployed.
3Stability of the object's composition
If a radial fixed structure is used for the support device, then the structural integrity is improved, but the transportation convenience and risk of breakage increases
Solution Approach 1:
The support device incorporates a dynamic folding mechanism with controlled movement along defined rotation axes. This allows the structure to transition safely between folded and extended states, reducing breakage risk during handling and transportation while maintaining structural integrity when deployed. The mechanism includes positioning features that ensure stable locking in both folded and extended configurations.
Solution Approach 2:
The device includes preliminary positioning structures and locking mechanisms that prepare the support assembly for safe folding and unfolding. These pre-configured elements ensure that the structure maintains integrity during transitions, preventing accidental breakage while enabling convenient transportation and storage.
Data Source
AI summary
A foldable support device includes a support seat, a support assembly, and an unfold and fold mechanism. The seat includes a cavity that extends along a direction parallel to a first direction. An outer side surface of the seat includes a pivot portion. The assembly is pivotally connected to the pivot portion and has an unfold position and a fold position. The mechanism is drivingly connected to the assembly, is at least partially accommodated in the cavity, and is movable along the first direction. The mechanism is capable of switching between a first state and a second state to drive the assembly to switch between the unfold position and the fold position. When the mechanism is in the first state, the assembly is held at the unfold position. When the mechanism is in the second state, the assembly is held at the fold position.