Oven Guide Rail Fixing Wire for Stable Shelf Movement
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Solution Overview
Problem
Existing oven designs with guide rails for shelf movement are inconvenient due to separate rail installation and difficulty in cleaning the fixing wire, which is not stably connected to the rail.
Innovation Solution
The oven incorporates a fixing wire with contact units having a step structure to securely connect and stabilize guide rails, allowing for stable movement and easy cleaning by forming a closed loop between the rails.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fixing wire is press-fitted to a bracket provided at the rail, then the guide rails can be connected, but cleaning the fixing wire by separating is difficult and the connection is not stable
Solution Approach 1:
The fixing wire is divided into multiple segments with mounting units and insertion units. Each segment can be independently attached to brackets or inserted into grooves, allowing the wire to be segmented for easier cleaning while maintaining stable connection through multiple attachment points along its length.
Solution Approach 2:
The fixing wire incorporates both fixed mounting units (attached to brackets) and movable insertion units (sliding into grooves). This dynamic connection system allows the wire to be securely fixed when needed while enabling easy separation and cleaning by simply withdrawing the insertion units from the grooves.
2Adaptability or versatility
If each rail is installed separately at side surfaces of the cooking compartment, then the guide rails can be independently positioned, but the shelf member movement becomes inconvenient
Solution Approach 1:
The fixing wire connects the two separately installed guide rails, merging them into a unified structure. This allows the rails to be installed independently at different locations while still working together as a coordinated system to guide the shelf member smoothly along both sides simultaneously.
3Ease of manufacture
If only the portion of the fixing wire coupled by the bracket is fixed, then the installation is simple, but the fixing wire cannot stably connect the rail
Solution Approach 1:
Different portions of the fixing wire have different connection mechanisms: mounting units with brackets provide fixed rigid connection at specific points, while insertion units with grooves provide sliding connection at other points. This local differentiation of connection quality allows simple installation while achieving stable overall connection through the combination of fixed and movable connection points.
Data Source
AI summary
Disclosed herein is an oven having guide rails. The oven includes a coking compartment, a shelf member disposed at an inside the cooking compartment and provided such that food substance is mounted, a plurality of guide rails installed such that the shelf member is withdrawn from the cooking compartment, and a fixing wire installed as to connect the plurality of guide rails and having a plurality of contact units configured to make contact with the plurality of guide rails, respectively, and the at least one contact unit is formed while provided with a step. The left and right movements of guide rails may be able to be stabilized by use of the fixing wire stably coupled to the guide rails.