Dishwasher including a storage part
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Solution Overview
Problem
Dishwasher trays with elevating structures face challenges in user convenience, assembly/disassembly ease, and prevention of malfunction due to bending under load, as existing designs lack efficient mechanisms for horizontal movement and secure locking.
Innovation Solution
The dishwasher incorporates a tray structure with a guide, frame, and link system that allows horizontal and vertical movement, featuring a locking mechanism with a hook and rail design to prevent separation and facilitate easy assembly/disassembly, ensuring stability and user convenience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a tray with elevating structure is provided for user convenience, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The tray assembly is divided into separate components: the tray body, the frame with horizontal movement capability, and the link mechanism. This segmentation allows each component to perform its specific function independently while simplifying the overall assembly and disassembly process for the user.
Solution Approach 2:
The tray incorporates dynamic elements including horizontal movement of the frame along guides and vertical elevation through the link mechanism. These dynamic features enable the tray to adjust to different positions and accommodate various dish types while maintaining operational simplicity through intuitive motion.
2Reliability
If the tray structure is designed to suppress malfunction due to bending under load, then reliability is improved, but device complexity increases
Solution Approach 1:
The link mechanism is designed with inherent load distribution characteristics that prevent excessive bending forces from concentrating on single components. The geometric configuration of the links and frames provides structural reinforcement before loads are applied, preventing malfunction while maintaining a relatively simple overall structure.
Solution Approach 2:
Specific regions of the tray structure, such as the link connection points and frame joints, are designed with enhanced local strength and stiffness to withstand bending loads. This localized reinforcement ensures reliability at critical stress points without requiring complex reinforcement throughout the entire tray structure.
3Ease of operation
If the tray is designed to be easily assembled and disassembled, then ease of operation is improved, but reliability may worsen due to potential separation
Solution Approach 1:
The frame acts as an intermediary component between the tray body and the guide mechanism. It provides a standardized interface with coupling features that ensure secure connection during assembly while allowing for easy disassembly. The frame's design with integrated coupling points prevents accidental separation during use while maintaining user-friendly assembly and disassembly operations.
Data Source
AI summary
A dishwasher includes a storage part in which a washing target is stored. The storage part includes a guide disposed in an edge area, a frame coupled to the guide, and a tray coupled to the frame. The tray includes a locking portion protruding from an edge area thereof and coupled to the frame, and configured to elevate the tray with respect to the frame. The frame includes a slot in which the locking portion is inserted, and a rail protruding toward the slot and forming some area of an outer shape of the slot, and configured to guide the movement of the locking portion and suppress the locking portion from being separated from the slot.