Bayonet Pressure Cooker Lid Support for Easier Lock Alignment
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Solution Overview
Problem
Bayonet locking systems in pressure cookers are cumbersome, requiring precise alignment and significant rotational force, making them less ergonomic and more difficult to use compared to jaw pressure cookers, which are heavier and more expensive to manufacture.
Innovation Solution
A pressure cooking appliance with a tank and independent lid featuring a bayonet locking system where the lid can pivot relative to a support, allowing for easy alignment and locking without manual immobilization of the tank, using a support and handle mechanism that facilitates intuitive locking and unlocking with reduced manual effort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If a bayonet locking system is used in a pressure cooker, then the weight is reduced and manufacturing cost is lowered, but the ease of operation deteriorates due to requiring precise alignment and significant rotational force
Solution Approach 1:
The lid is pre-positioned on the tank body in a correct angular orientation before locking. The support structure includes positioning elements that guide the lid into the proper alignment with the tank ramps, eliminating the need for the user to manually achieve precise alignment and reducing the rotational force required during locking operation.
Solution Approach 2:
A support structure with positioning elements acts as an intermediary between the lid and tank body. This intermediary component facilitates the locking operation by maintaining correct angular positioning and guiding the lid during the locking process, making the operation easier while preserving the lightweight bayonet locking system.
2Device complexity
If a bayonet locking system is used, then the device complexity is reduced, but the precision of alignment required during operation increases
Solution Approach 1:
The lid is pre-positioned on the tank body in a correct angular orientation before locking. The support structure includes positioning elements that guide the lid into the proper alignment with the tank ramps, eliminating the need for the user to manually achieve precise alignment and reducing the rotational force required during locking operation.
Solution Approach 2:
The positioning elements create a state of equipotentiality by providing a natural, stable angular position for the lid relative to the tank body. This eliminates alignment uncertainty and ensures that the lid automatically assumes the correct orientation during placement, reducing the precision burden on the user while maintaining simple device architecture.
3Ease of operation
If the lid is made independent of the tank, then the ease of operation is improved, but the reliability of the locking connection may deteriorate
Solution Approach 1:
The lid is pre-positioned on the tank body in a correct angular orientation before locking. The support structure includes positioning elements that guide the lid into the proper alignment with the tank ramps, eliminating the need for the user to manually achieve precise alignment and reducing the rotational force required during locking operation.
Solution Approach 2:
A support structure with positioning elements acts as an intermediary between the lid and tank body. This intermediary component facilitates the locking operation by maintaining correct angular positioning and guiding the lid during the locking process, making the operation easier while preserving the lightweight bayonet locking system.
Data Source
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AI summary
The invention relates to a bayonet pressure cooking appliance (1) comprising a tank (2) and a lid (3), characterized in that it comprises a support (10) attached to said lid (3) to pivot relative to said support (10), the latter and the tank (2) being designed to be joined together according to a predetermined relative arrangement making it possible to lock the cover (3) to the tank (2), said support (10) forming a first positioning element ( 12, 13) which projects radially from the cover (3) and which is designed to interact, when the support (10) and the tank (2) are joined according to said predetermined relative arrangement, with a second positioning element (14, 15) to lock the relative angular positioning of the support (10) and the tank (2), while leaving said handle (2D, 2E) projecting radially. - Pressure cookers.