Picnic table with detachable table and bench
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Solution Overview
Problem
Existing picnic tables are often too bulky or heavy for portability and lack detachable designs that allow for easy connection and separation of tables and benches, failing to meet user needs for versatility and convenience.
Innovation Solution
A picnic table design featuring detachable table and bench structures connected by retractable or rotatable linking members, allowing for integration or separation, with foldable leg assemblies and various coupling mechanisms to facilitate easy assembly and disassembly, enabling compact storage and transportation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If picnic tables are designed with fixed connections between table and benches, then structural stability is improved, but portability and ease of transport deteriorate due to bulky and heavy design
Solution Approach 1:
The picnic table is divided into separate modular components including table top, benches, and linking assemblies that can be detached from each other. Each component can be independently handled and transported, transforming a single bulky fixed structure into multiple manageable portable units while maintaining structural stability when connected.
Solution Approach 2:
The linking assemblies incorporate movable and adjustable connections that allow the structure to transition between connected and detached states. The linking members can be extended or retracted to connect or separate components, enabling dynamic reconfiguration from a stable connected state to a portable separated state.
2Strength
If picnic tables are designed as integrated fixed structures, then structural integrity is improved, but adaptability and versatility deteriorate
Solution Approach 1:
The picnic table system is segmented into independent modules (table top, multiple benches, linking assemblies) that maintain structural integrity when connected but can be separated and reconfigured. This modular design allows the same components to form different configurations such as connected picnic tables, separate tables, or stacked storage arrangements.
Solution Approach 2:
The linking assemblies serve multiple functions: they connect table and benches to form picnic tables, allow separate use of table or benches, enable stacked storage configuration, and provide structural support. This multi-functionality achieves adaptability while maintaining structural integrity through the same connecting mechanism.
3Ease of operation
If picnic tables use detachable connections between components, then portability and ease of assembly are improved, but device complexity increases due to additional linking mechanisms
Solution Approach 1:
The linking assemblies are designed with self-aligning features and intuitive connection mechanisms that automatically guide the user during assembly. The retractable linking members extend to meet connection points, and the design incorporates alignment guides and snap-fit features that reduce the need for precise manual positioning, simplifying the assembly process despite the presence of multiple components.
Solution Approach 2:
The linking assemblies serve as intermediary components that simplify the connection between table top and benches. Rather than requiring direct complex fastening between heavy components, the linking members act as mediators with built-in connection interfaces, making the assembly process easier while managing the complexity through standardized intermediate connection points.
4Ease of manufacture
If picnic tables are designed with retractable or rotatable linking members, then ease of disassembly and compact storage are improved, but manufacturing complexity increases
Solution Approach 1:
The linking members incorporate retractable or rotatable mechanisms that enable easy disassembly and compact storage. These dynamic features allow the linking members to be collapsed or rotated into compact positions within the table or bench structures, facilitating easy disassembly and storage while the manufacturing complexity is managed through standardized mechanical components.
Data Source
AI summary
A picnic table includes first and second structures detachably connected to each other by linking assemblies. One of the first and second structures is a table and the other of the first and second structures is a bench. A linking assembly includes a linking member, which has a first end portion connected to the first structure and a second end portion detachably connected to the second structure. When the second end portion is disconnected from the second structure, the linking member is retractable or rotatable toward the first structure.