Manual Bayonet Lid Control for Low-Effort Pressure Cooker Locking
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Solution Overview
Problem
Bayonet pressure cookers are impractical due to requiring specific pre-positioning and significant physical effort for locking, which is not intuitive and can be cumbersome, especially when compared to jaw pressure cookers, which are heavier and more expensive to manufacture.
Innovation Solution
A pressure cooking appliance with a bayonet locking system that includes a support for the lid, allowing it to pivot along a central vertical axis, and a locking control member that can be manually displaced to control the locking mechanism through rotational or translational movements, reducing the need for manual immobilization of the tank and minimizing effort required for locking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If a bayonet locking system is used, then the pressure cooker is lightweight and simple to manufacture, but it requires significant physical effort and is not intuitive to operate
Solution Approach 1:
A control member is introduced as an intermediary element between the user and the locking system. This control member, when moved manually, transforms the locking gesture into a more intuitive motion that reduces the physical effort required while maintaining the lightweight bayonet locking mechanism's benefits
2Ease of manufacture
If a bayonet locking system is used, then the manufacturing cost is low, but the locking gesture is complex and requires specific pre-positioning
Solution Approach 1:
The control member serves as a mediator that simplifies the user interaction with the bayonet locking system. By moving the control member, the user indirectly actuates the locking mechanism, which eliminates the need for specific pre-positioning and complex manual gestures while keeping the manufacturing cost low
Solution Approach 2:
Instead of requiring the user to directly perform a complex rotation and pressure gesture on the lid, the system inverts the approach by providing a control member that translates a simpler, more intuitive motion into the required locking action, making the operation more accessible
3Ease of operation
If a jaw pressure cooker locking system is used, then the ease of operation is improved, but the weight and manufacturing cost increase
Solution Approach 1:
The control member acts as an intermediary that enables the pressure cooker to achieve the ease of operation characteristic of jaw pressure cookers while maintaining the lightweight advantage of bayonet locking systems. The control member translates user input into effective locking action without requiring the heavier structural components of jaw locking systems
Data Source
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AI summary
- Pressure cooker fitted with a manual locking control device. - The invention relates to a pressure cooking appliance comprising a tank (2), a lid (3) and a bayonet locking system, said appliance (1) being characterized in that it comprises a control member (11 ) of the lock which is attached to a support (10) by a mechanical connection allowing the movement of said control member (11) and is connected to the cover (3) by a device for transforming said movement of the control member (11) in pivoting of the cover (3), said mechanical connection being designed so that said manual movement of the control member (11) is formed by a movement in rotation around an axis of rotation (Y-Y') parallel to the central vertical axis (X-X') and/or by translational movement. - Pressure cookers.