Dishwasher Force-Transfer Structure for Clamping Load Distribution
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Solution Overview
Problem
Stationary household appliances, such as dishwashers, face deformation risks during transportation due to external clamping forces, which existing technologies fail to adequately absorb without causing structural damage.
Innovation Solution
A force transmitting element with multiple force application regions is integrated into the appliance, distributing clamping forces across different structural components, such as hinge supports, front frames, and bases, to reduce the risk of damage while maintaining lightweight construction and functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a force transmitting element is provided to absorb external clamping forces, then the housing wall is protected from deformation, but the dead weight of the appliance increases
Solution Approach 1:
The force transmitting element utilizes a plate-like basic element with lattice-like stiffening walls forming a honeycomb structure. This thin-walled cellular structure provides sufficient mechanical strength to absorb clamping forces while maintaining minimal weight, replacing what would traditionally require solid material construction.
Solution Approach 2:
The force transmitting element is constructed as a composite structure combining a plate-like basic element with integrated lattice stiffening walls and supporting elements. This composite design achieves optimal strength-to-weight ratio, providing adequate force absorption capability without excessive weight addition.
2Strength
If the force transmitting element is made as a compact solid structure, then strength is increased, but weight increases and functionality is reduced
Solution Approach 1:
The element employs a plate-like basic element with thin walls forming a honeycomb lattice structure. This thin-walled design provides adequate strength for force transmission while minimizing material usage and weight, avoiding the need for compact solid construction.
Solution Approach 2:
The force transmitting element is segmented into a lattice structure with multiple cells rather than being a solid mass. This segmentation creates a lightweight framework that maintains structural integrity and strength while significantly reducing weight compared to solid material construction.
3Reliability
If multiple force application regions are provided, then force distribution is improved and damage risk reduced, but device complexity increases
Solution Approach 1:
The force transmitting element merges multiple functions into a single integrated component: it provides multiple force application regions, incorporates supporting elements for structural attachment, and includes lattice stiffening for weight reduction. This consolidation achieves force distribution across multiple regions without proportionally increasing device complexity.
Solution Approach 2:
The force transmitting element is designed as a multi-functional component that simultaneously serves as a force distribution structure, a structural support element, and a weight-reduced framework. This universality allows it to provide multiple force application regions without requiring separate dedicated components for each function.
Data Source
AI summary
A stationary household appliance having a housing wall, components, and a force transmitting element to transmit a force that acts upon the housing wall from the outside of the stationary household appliance into the components. The force transmitting element has at least two force application regions to transmit the force into at least two different ones of the components.