Beverage Machine Cover Locking for Functional Element Interlock
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Solution Overview
Problem
Existing hot beverage preparation devices, such as coffee machines, lack effective monitoring of operating requirements and fail to ensure correct insertion of functional elements, leading to operational issues and aesthetic concerns due to manufacturing tolerances.
Innovation Solution
A hot beverage preparation device with a pivotable cover element and rotatably mounted locking elements that prevent movement into the operating position if functional elements are not inserted, ensuring correct alignment and blocking the cover element's movement, while also compensating for manufacturing tolerances by pulling the cover element onto the housing with a predetermined force.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If locking elements are used to prevent cover element movement when functional elements are missing, then operational safety is improved, but device complexity increases
Solution Approach 1:
The locking elements serve dual purposes: they both lock the cover element in the open position when functional elements are missing and pulls the cover element toward the housing with predetermined force in the locked position. This merging of functions reduces the need for separate monitoring mechanisms while maintaining operational safety.
Solution Approach 2:
The locking elements are designed to perform multiple functions: preventing cover element closure when functional elements are absent, providing predetermined pulling force for aesthetic alignment, and enabling simple mechanical detection of functional element presence. This multi-functionality improves reliability without proportionally increasing complexity.
2Manufacturing precision
If locking elements pull the cover element onto the housing with predetermined force, then manufacturing tolerance compensation is improved, but device complexity increases
Solution Approach 1:
The same locking elements that prevent cover element closure also provide the predetermined pulling force to compensate for manufacturing tolerances. By merging these two functions into a single mechanical component, the patent achieves gap dimension consistency without adding separate adjustment mechanisms.
Solution Approach 2:
The locking elements automatically provide the predetermined pulling force to align the cover element with the housing, compensating for manufacturing tolerances without requiring external adjustment or additional active components. The mechanical design self-regulates the gap dimensions.
3Reliability
If multiple locking elements are used to monitor functional element insertion, then monitoring reliability is improved, but device complexity increases
Solution Approach 1:
Each locking element is designed to perform multiple functions: detecting functional element presence, preventing cover closure when absent, and providing pulling force for alignment. This universal design improves monitoring reliability while minimizing the increase in device complexity through functional integration.
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
This solution provides a simple mechanical construction that acts as a protective function, ensuring correct operation and maintaining an attractive appearance by preventing the cover element from closing or moving into the operating position if functional elements are missing, thus enhancing user safety and device reliability.
Implementation Method 1
to pull the cover element towards the housing with a predetermined force in the locked position
Data Source
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AI summary
The present invention discloses a hot beverage preparation device with a housing (2) which has a rotatable cover element (3) which has a service position and an operating position and in the service position releases access to a service opening (4) in the housing (2) and the Access blocked in the operating position, with a number of pivotally mounted locking elements (4, 5) which have at least one unlocked position and a locked position, wherein at least one locking element (4, 5) further has a blocking position and wherein the locking elements (4, 5) in the blocking position prevent movement of the cover member (3) to the operative position, in the unlocked position allow engagement of the cover member (3) and in the locked position pull the cover member (3) against the housing (2) with a predetermined force , and with a function that can be removed from the housing (2). element (6) which, when inserted into the housing (2), moves the locking elements (4, 5), which have the blocking position, into the unlocked position.