Preparation Jug Lid Interlock With Horizontal Closure Detection
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Solution Overview
Problem
Existing protective devices for kitchen preparation cups coupled to drive units are complex in construction and handling, and can cause sealing problems when the lid is pressed upward.
Innovation Solution
A protective device with a horizontally displacing button element that avoids upward pressure on the lid, using an elastic transmission element passing through the handle, converting horizontal displacement into vertical actuation to ensure proper lid attachment and prevent leakage, and incorporating a reset mechanism to indicate proper closure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the protective device uses a vertically displacing button element that is pushed down by the lid, then the lid attachment can be detected, but the lid is pressed upward causing sealing problems
Solution Approach 1:
The button element is designed to displace horizontally instead of vertically, changing the dimension of displacement from vertical to horizontal. This allows the lid to attach without being pressed upward, avoiding sealing problems while still enabling detection through the horizontal displacement of the button element
Solution Approach 2:
Instead of the lid pushing the button element down vertically as in prior art, the button element is designed to move horizontally in response to lid attachment. The inversion of the displacement direction eliminates the harmful upward pressure on the lid while maintaining the detection function
2Reliability
If the protective device includes a lever to pull down the transmission means, then the pin on the cover can be relieved, but the device becomes more complex in construction and handling
Solution Approach 1:
The lever component is removed from the system. Instead of using a lever to pull down the transmission means, the patent uses a spring element that automatically pushes the button element horizontally when the lid is attached, eliminating the need for manual lever operation and reducing construction complexity
Solution Approach 2:
The spring element automatically performs the function of relieving the cover by pushing the button element horizontally when the lid is attached. The system becomes self-acting, eliminating the need for user intervention via a lever and simplifying both construction and handling
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
Simplifies the construction and handling of the protective device while preventing sealing issues and ensuring user safety by avoiding upward pressure on the lid, thus preventing leakage and ensuring the lid is securely attached before operation.
Implementation Method 1
The transmission element (7) is elastic. it can be, for example, an elastic strip or wire
Data Source
Figure 1
AI summary
The invention relates to a preparation jug (1), in particular, for the preparation of foodstuffs in the kitchen, which can be coupled to a drive unit in order to drive a tool (3) in the preparation jug (1) in rotation, said jug can be closed with a lid (5) and comprises a protection device. The protection device comprises a feeler element (9) close to an upper opening (4) of the preparation jug (1), an operating element (11) close to a base (2) of the preparation jug (1) and a transmission element (7), which converts a displacement of the feeler element (9) into a displacement of the operating element (11). The feeler element (9) is displaceable in one direction with a horizontal component and the horizontal component of the displacement of the feeler element (9) is converted by the transmission element (7) into a displacement of the operating element (11). According to the invention, a preparation jug is provided which protects a user from injury is simple of construction and prevents leakage from the lid.