Dishwasher Door Bracket Structure for Crown Flex Reduction
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Solution Overview
Problem
Contemporary dishwashers with handles located in the middle of the door experience excessive flexing in the crown area when opened, perceived as a sign of low quality.
Innovation Solution
A dishwasher design featuring a controller mounting bracket within the door interior, coupled to the door panels using a connector with adhesive, which distributes forces and minimizes deflection, thereby enhancing the door's robustness and reducing perceived flexing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the handle is located in the middle of the door, then the user can easily grasp and operate the door, but excessive flexing occurs in the crown area of the door when opened
Solution Approach 1:
The door structure is segmented into multiple reinforcement zones, with the crown area specifically reinforced through the controller mounting bracket and connector assembly. This segmentation allows the handle to remain in the middle for ease of operation while the crown area receives targeted structural support to prevent flexing.
Solution Approach 2:
The solution employs a composite construction approach by combining the controller mounting bracket, connector, and adhesive system to create a reinforced crown area. This composite structure integrates multiple components working together to enhance door rigidity without compromising the handle's operational accessibility.
2Strength
If the controller mounting bracket is rigidly fixed to the door panel, then the door structure becomes more robust, but the complexity of assembly increases
Solution Approach 1:
The connector serves as an intermediary component between the controller mounting bracket and the door panel. It simplifies the assembly process by providing a pre-fabricated connection interface that requires minimal installation steps while still achieving the desired structural reinforcement and robustness.
Solution Approach 2:
The solution replaces complex mechanical fastening systems with an adhesive bonding system. The adhesive provides sufficient structural strength to rigidly fix the controller mounting bracket to the door panel while significantly simplifying the assembly process, eliminating the need for multiple mechanical fasteners and complex alignment procedures.
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
The solution effectively distributes forces applied to the door, reducing deflection and enhancing the perceived strength of the door assembly, improving user experience by minimizing excessive flexing during opening and closing.
Implementation Method 1
a connector coupling the controller mounting bracket to the one of the panels and including an adhesive to bond the connecter to the one of the panels
Data Source
AI summary
A dishwasher for treating dishes according to a cycle of operation includes a tub having an open face, a door selectively moveable to open and close the open face, and comprising spaced interior and exterior panels having peripheral edges that are coupled along at least a portion of the peripheral edges by a peripheral wall to collectively define a door interior, and a controller mounting bracket located within the door interior.