Kitchen appliance, processing container and system that consists of a kitchen appliance and a processing container
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Solution Overview
Problem
Existing kitchen appliances with securing devices for monitoring the coupling of processing vessels are unreliable due to manufacturing tolerances and shape deviations, leading to impaired function and safety concerns, especially under heavy loads.
Innovation Solution
A kitchen appliance with a movable holder and elastic biasing mechanism that allows the securing device to adjust and reliably check the coupling of the processing vessel, even when it deviates from an ideal shape, using a pivotable holder and contact element to trigger a switch for secure operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fixed safety device is used to monitor coupling, then the device structure is simple, but the reliability is poor due to manufacturing tolerances and shape deviations
Solution Approach 1:
The holder is designed to be movable rather than fixed, allowing it to adapt its position dynamically. The holder can move in the coupling direction to accommodate shape deviations of the processing vessel while maintaining reliable contact with the safety feature, thereby resolving the contradiction between reliability and structural simplicity.
2Reliability
If the safety device is rigidly mounted, then the manufacturing cost is low, but it cannot accommodate shape deviations under heavy loads
Solution Approach 1:
The mounting structure transitions from rigid to dynamic, enabling the holder to move and absorb shape deviations that occur under heavy loads. This maintains reliable coupling monitoring while keeping the manufacturing process relatively simple through the use of a spring mechanism.
Solution Approach 2:
The spring element introduces elasticity to the mounting structure, changing the mechanical parameter from rigid to flexible. This allows the holder to adapt to shape deviations under load while maintaining functional reliability, and the spring mechanism remains simple to manufacture.
3Reliability
If a movable holder is used to accommodate shape deviations, then the reliability improves, but the device complexity increases
Solution Approach 1:
The holder is designed with movement capability in the coupling direction, allowing it to accommodate shape deviations of the processing vessel. This dynamic adjustment ensures reliable safety device operation while the movement mechanism remains relatively simple through the use of a spring element.
Solution Approach 2:
The spring-mounted holder introduces controlled flexibility to the system, changing the positional parameter of the holder to accommodate shape variations. This improves reliability by ensuring continuous contact with the safety feature while the spring mechanism adds minimal complexity to the overall device.
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
Ensures reliable operation and prevents incorrect coupling by accommodating shape deviations and heavy loads, maintaining safety and functionality without significant design changes to the socket part.
Implementation Method 1
The holder (11) is mounted on the kitchen appliance (1) in a movable manner, in particular in the direction of the coupling (5) for the processing vessel (18), by means of a spring element (12)
Data Source
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AI summary
The invention relates to a kitchen appliance (1) with a coupling (5) for a processing vessel (18) and with a safety device (4) to check whether the processing vessel is coupled to the coupling (5) in the intended manner. The safety device (4) has a holder (11) with which the safety device (4) is movably mounted on the kitchen appliance (1). The invention also relates to a processing vessel (18) for the kitchen appliance and a system comprising a kitchen appliance (1) and processing vessel (18). With the help of the invention, in particular impairments of the function of the safety device due to the production of the mixing bowl and deviations in shape due to the loading of the mixing bowl can be avoided.