Tent Canopy Operation via Plastic Pulley Guide Rails
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Solution Overview
Problem
Conventional tents are complex in structure, difficult to assemble and operate, and have high production costs due to their zinc die wheel frame and iron pieces, which are prone to breakage and rust, making the operation of opening and closing the canopy challenging.
Innovation Solution
A tent apparatus comprising foot pipes, beam members, girders with internal guide rails, pulleys made of plastic with handle and wheel members, and cloth tubes that allow the canopy to be positioned in an accordion configuration, enabling easy rolling and sliding mechanisms for smooth operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional zinc die wheel frame with iron pieces and bearings is used, then the tent structure provides shelter, but the structure becomes complicated, difficult to assemble and operate, and prone to breakage and rust
Solution Approach 1:
The patent removes the complex zinc die wheel frame, iron pieces, and bearings from the tent structure. Instead, it uses simple plastic pulleys that integrate the wheel and frame functions into a single durable component, eliminating the need for separate iron pieces and bearings while reducing overall structural complexity
Solution Approach 2:
The patent replaces expensive, fragile zinc die wheel frames and iron pieces with inexpensive plastic pulleys that are resistant to breakage and rust. These plastic components are designed to be durable enough for tent operation while being much simpler and cheaper to manufacture, eliminating the need for complex assembly
2Reliability
If conventional zinc die wheel frame with iron pieces and bearings is used, then the tent structure provides shelter, but the production cost becomes high
Solution Approach 1:
The patent replaces expensive zinc die wheel frames and iron pieces with inexpensive plastic pulleys that can be easily manufactured. The plastic components are simpler to produce, require less precision manufacturing, and eliminate the need for separate iron pieces and bearings, significantly reducing production costs while maintaining durability
Solution Approach 2:
The patent combines multiple functions (wheel, frame, bearing) into a single integrated plastic pulley component. This merging eliminates the need for separate iron pieces and bearings, reducing the number of parts to manufacture and assemble, thereby lowering production costs while maintaining structural integrity
3Ease of operation
If conventional zinc die wheel frame with iron pieces is used, then the tent structure provides shelter, but the operation of opening and closing canopy becomes difficult and obstructed
Solution Approach 1:
The patent removes the complex zinc die wheel frame, iron pieces, and bearings from the canopy operation mechanism. Instead, it uses simple plastic pulleys that allow smooth rolling motion, eliminating the obstacles caused by fragile metal components and complex assemblies, thereby making canopy operation easy and unobstructed
Solution Approach 2:
The patent replaces fragile zinc die wheel frames and iron pieces with durable plastic pulleys that are resistant to breakage. These plastic components provide smooth rolling motion and do not rust or corrode, ensuring easy and reliable canopy operation without the obstacles caused by metal component failure
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 solution simplifies the assembly and operation of the tent canopy, reduces production costs, and enhances durability by using plastic pulleys that are resistant to breakage and rust, ensuring easy and balanced pulling of the canopy.
Implementation Method 1
The girders comprise internal guide rails for allowing the pulleys to rollably traverse the internal guide rails
Implementation Method 2
The cloth tubes are positioned perpendicular to the girders and in sliding communication with the girders via the pulleys
Data Source
AI summary
A tent apparatus includes foot pipes, at least two beam members, girders, pulleys, cloth tubes, and a canopy. A first beam member and a second beam member are fastened perpendicular to a first pair of foot pipes and a second pair of foot pipes opposing each other respectively. The girders including internal guide rails are fastened perpendicular to the beam members. The pulleys traverse the internal guide rails of the girders. Each pulley includes a handle and wheel members in rolling communication with an internal guide rail, and a receptor member to receive and connect a cloth tube. The canopy is positioned over the cloth tubes. The canopy, attached to one of the beam members and in sliding communication with the girders, is stretched across the upper ends of the two pairs of foot pipes when the pulleys are rolled within the internal guide rails of the girders.