Floating Guide Assembly for Precise Appliance Gap Alignment
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Solution Overview
Problem
Existing household appliances face challenges in achieving precise alignment and uniform gap patterns between components during assembly, requiring significant technical effort and resources.
Innovation Solution
The guide is attached to the housing in a manner that allows it to float and be positioned step-by-step relative to the rear wall, front wall, control panel, and housing cover, using pin and pin receptacle, rib and rib receptacle, and centering pins and openings, enabling precise alignment and fixation in each assembly step.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the guide is rigidly fixed to the housing in a single assembly step, then the assembly process is simple, but the alignment precision and gap uniformity between components deteriorate
Solution Approach 1:
The assembly process is divided into multiple sequential assembly steps, where the guide is first mounted floatingly on the rear wall, then positioned relative to the control panel, and finally positioned relative to the housing cover. This segmentation allows each step to focus on specific alignment requirements, achieving high precision without overwhelming complexity at any single stage.
Solution Approach 2:
The guide is first mounted floatingly on the rear wall in a preliminary manner before final positioning. This preliminary mounting establishes a baseline position that facilitates subsequent precise positioning relative to the control panel and housing cover, enabling accurate alignment to be achieved systematically.
2Manufacturing precision
If multiple assembly steps with floating mounting are used, then the alignment precision improves, but the assembly time and labor cost increase
Solution Approach 1:
The guide transitions from a rigid fixed state to a dynamic floating mounting state during assembly, allowing it to be positioned flexibly relative to different housing components in sequential steps. This dynamic approach enables precise gap control between the guide, control panel, and housing cover while maintaining assembly efficiency through systematic progression.
3Adaptability or versatility
If the guide is mounted floatingly in multiple directions, then the positioning flexibility improves, but the device complexity increases
Solution Approach 1:
The positioning flexibility is achieved by segmenting the mounting into distinct phases: first floating mounting on the rear wall, then positioning relative to the control panel, and finally positioning relative to the housing cover. Each phase addresses specific positioning requirements without requiring complex multi-directional floating mechanisms throughout the entire assembly process.
Data Source
Figure 1
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Figure 4a~4d
AI summary
The invention relates to a household appliance comprising a housing (2) and a component that can be inserted into the housing (2), wherein the component can be partially inserted into the housing (2) when being moved into an insertion position by means of a housing opening and a guide (12), and wherein the housing (2) has a width extending in the Y direction, a depth extending in the X direction and a height extending in the Z direction.The guide (12) is attached to the housing (2) such that, during the assembly of the household appliance, the guide (12) can be suspended in a floating position against a rear wall (8) of the housing in a first assembly step, suspended in a floating position against a front wall (6) of the housing in a second assembly step following the first assembly step, positioned relative to a control panel (10) in a third assembly step following the second assembly step, and positioned relative to a housing cover (4) in a fourth assembly step following the third assembly step, wherein the guide (12) is spatially fixed to the housing (2) after the fourth assembly step. The invention further relates to a method for transferring a household appliance into an assembly state.