Ice Maker Housing Assembly With Condensation Drip Bar
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Solution Overview
Problem
Existing household refrigeration apparatuses with ice makers face challenges in accurate and efficient assembly, leading to potential thermal insulation issues and hygiene problems due to complex housing designs and inadequate condensation water management.
Innovation Solution
A household refrigeration apparatus with an ice maker housing featuring a wall element of L-shape cross-section and a separate positioning bracket, allowing for non-destructive detachment and improved assembly accuracy, along with an integrated drain gutter for condensation water management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the wall element is attached to the interior container walls by multiple screw connections, then the connection strength is improved, but the assembly time increases and assembly accuracy deteriorates because the wall element must be additionally retained by the assembler during assembly
Solution Approach 1:
The wall element is pre-positioned using retention means (such as retention clips or positioning elements) that are already integrated into the housing structure. This preliminary positioning action eliminates the need for the assembler to manually hold the wall element during screw connection, thereby reducing assembly time while maintaining connection strength through the subsequent screw fastening
2Strength
If the wall element is attached to the interior container walls by multiple screw connections, then the connection strength is improved, but the assembly accuracy deteriorates because incorrect positions of the wall element occur
Solution Approach 1:
Retention means serve as intermediary elements between the wall element and the housing structure. These retention means (such as positioning clips or guiding features) ensure that the wall element is held in the correct position during assembly, preventing positioning errors while still allowing for secure screw connections to be made afterward
3Strength
If the wall element is formed with a circumferential frame and integral bracket, then the structural strength is improved, but the device complexity increases and ease of manufacture deteriorates
Solution Approach 1:
The housing structure is segmented into separate components: the wall element, the circumferential frame, and the retention means. This segmentation allows each component to be manufactured independently using simpler processes, reducing overall device complexity while maintaining structural strength through the designed assembly of these separate parts
4Strength
If the wall element is formed with a circumferential frame and integral bracket, then the structural strength is improved, but the ease of manufacture deteriorates because it is difficult to clean
Solution Approach 1:
The bracket function is extracted from the wall element and implemented as separate retention means. This separation creates a design where the wall element has a simpler, more open structure without complex integral brackets, making it easier to access and clean all surfaces while still providing the necessary structural support through the separate retention components
5Device complexity
If condensation water is not transported away from the housing, then the structure remains simple, but hygienic impairments occur
Solution Approach 1:
The housing structure incorporates self-draining features where condensation water naturally flows to designated drainage areas through gravity. The design includes drainage channels or grooves that automatically guide condensation water away from critical areas without requiring additional active pumping or complex water management systems, thus maintaining structural simplicity while preventing hygienic problems
Data Source
AI summary
A household refrigeration apparatus has an interior container with a first wall and with a second wall arranged angled thereto. The interior container bounds a first receiving space for food of the household refrigeration apparatus. An ice maker has a housing formed by a wall area of the first wall of the interior container and a wall area of the second wall of the interior container in certain areas. The wall area of the first wall is formed with a wall step with a protrusion, which protrudes into the receiving space of the ice maker, wherein the protrusion is formed as a condensation water drip bar.