Grill Hinge Assembly for Easy Lid Removal and Accessory Compatibility
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Solution Overview
Problem
Existing grill designs, particularly charcoal grills, face difficulties in easily removing and reinstalling the lid, which complicates initial assembly and limits the use of accessories due to non-removable or complicated hinge systems.
Innovation Solution
A hinge assembly that allows the lid and associated lid bracket to be removably secured to the bowl bracket, featuring a spring-assisted mechanism with a keyhole-shaped lid lock slot and alignment pins, enabling safe and convenient removal and reinstallation, while a stop limits the lid's opening angle for safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the lid is hinged to the bowl using known hinges, then the lid remains securely attached during operation, but the lid cannot be easily removed or is only removable by complicated disassembly
Solution Approach 1:
The hinge assembly is divided into separate components: a hinge body attached to the bowl, and a hinge arm attached to the lid. These segments connect through a simplified pin and slot mechanism that allows easy detachment without complicated disassembly procedures.
Solution Approach 2:
The hinge pin is extracted as a separate, removable component that can be easily removed to detach the lid from the bowl. This extraction of the connecting element enables simple separation of the hinge assembly into its component parts.
2Adaptability or versatility
If the lid is permanently hinged to the bowl, then the hinge structure provides stable support, but accessories like rotisserie systems cannot be easily installed
Solution Approach 1:
The hinge transitions from a static, permanent connection to a dynamic, adjustable connection. The lid can be detached when accessories need to be installed, and reattached when not needed, allowing the system to adapt between different operational states.
Solution Approach 2:
The hinge design serves multiple functions: it provides stable support during normal grilling operations, and enables accessory installation by allowing lid removal. This multi-functionality accommodates both permanent hinging needs and accessory compatibility requirements.
3Adaptability or versatility
If a removable hinge mechanism is implemented, then the lid can be easily detached for accessory installation, but the mechanism becomes more complex
Solution Approach 1:
The hinge uses simple, easily replaceable components such as a basic pin and slot mechanism rather than complex, precision-engineered detachable connections. This approach prioritizes simplicity and ease of manufacture over permanent durability, allowing for easy replacement if needed.
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
Facilitates easy assembly and disassembly of the grill lid, enhances compatibility with accessories like rotisserie systems, and provides a secure, safe, and convenient operation by allowing the lid to be removed and reattached without complex disassembly.
Implementation Method 1
A hinge assembly that allows the lid and associated lid bracket to be removably secured to the bowl bracket, featuring a spring-assisted mechanism
Data Source
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AI summary
A hinge assembly (19) for use on a grill that permits the selective removal of the lid (17) from the bowl (15), the hinge assembly (19) including a stationary bowl bracket (20) affixed to the bowl (15) , a pivotable middle bracket ( 40) pivotably mounted to the bowl bracket (20) and a removable lid bracket (60) affixed to the lid (17) and removably secured to the middle bracket (40).