Bleacher seat
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Solution Overview
Problem
Traditional bleacher seats are large, inconvenient to carry, and do not meet the requirements for small-volume storage due to their size and design.
Innovation Solution
A bleacher seat design featuring a cloth cover, tube insertion sleeves, and a bleacher seat support assembly comprising foot pad tube assemblies, back tubes, connectors, elastic ropes, and a storage bag, allowing for easy disassembly, folding, and storage, with a structure that is simple, attractive, and ergonomic.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional bleacher seats are integrally formed by plastic through one-time die casting or formed by the combination of a non-detachable hard frame and a soft cloth cover, then the structural strength and stability are improved, but the portability and storage convenience deteriorate
Solution Approach 1:
The bleacher seat is divided into multiple detachable components including a frame assembly, seat cushion, and backrest. The frame assembly itself is segmented into leg sections connected by connectors, allowing each part to be separated for easy carrying and storage while maintaining structural integrity when assembled
Solution Approach 2:
The seat cushion and backrest are designed to be nested within or attached to the frame structure when not in use. The collapsible frame allows components to be folded and stored compactly, with smaller parts fitting within the overall structure to minimize storage space
2Ease of manufacture
If traditional bleacher seats are integrally formed by plastic through one-time die casting, then the manufacturing simplicity is improved, but the ease of assembly and disassembly deteriorates
Solution Approach 1:
The seat is constructed from multiple pre-manufactured components (leg sections, connectors, seat cushion, backrest) that can be independently manufactured using simple processes, then easily assembled through connector mechanisms that require no specialized tools or skills
Solution Approach 2:
Connector mechanisms serve as intermediaries between frame components, providing a simple interface for assembly and disassembly. These connectors enable easy joining and separation of leg sections without requiring complex fastening procedures
3Reliability
If the bleacher seat uses a non-detachable hard frame and soft cloth cover combination, then the durability is improved, but the storage volume and portability deteriorate
Solution Approach 1:
The frame is designed with dynamic, collapsible sections that can transition between an expanded stable configuration for use and a compact folded configuration for storage. This dynamic structure maintains durability during use while minimizing storage volume
Solution Approach 2:
The physical parameters of the frame (length, volume) are changed through collapsible mechanisms. When assembled, the frame provides sufficient strength and stability; when folded, the same frame occupies minimal space, effectively changing its dimensional parameters based on operational needs
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 design enables convenient and fast assembly and disassembly, compact storage, and improved user comfort, making it suitable for long-term use while being easy to carry and store.
Implementation Method 1
two elastic ropes; each elastic rope has an end fixed to the tube plug at the upper end of the corresponding back tube and then sequentially penetrates through the back tube on the same side, the seat tube at the lower end of the back tube, the two communicated upper connecting ports of the corresponding connector, and the corresponding front seat tube to be fixed to the tube plug on the corresponding front seat tube
Data Source
AI summary
A bleacher seat having a cloth cover, tube insertion sleeves and a bleacher seat support assembly. The bleacher seat support assembly has two foot pad tube assemblies, two back tubes, four tube plugs, four seat tubes, a middle cross tube, two connectors, and two elastic ropes. Each connector is of a four-way connecting port structure. Horizontal connecting ports of the two connectors are respectively connected to two ends of the middle cross tube, front connecting ports of the two connectors are respectively connected to the foot pad tube assemblies, two upper connecting ports which are internally communicated with each other are formed in the upper end of each connector, each upper connecting port is connected to the lower end of one seat tube, and the upper end of each rear seat tube is connected to one back tube.