Oven Door Inner Panel Mounting for Easy Removal and Alignment
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Solution Overview
Problem
Existing oven door designs face challenges in easy mounting, dismounting, and cleaning due to complex assembly processes and heat-induced panel deformation, which lead to increased assembly time and potential damage.
Innovation Solution
The oven features a bearing that limits the inner panel's movement with a first gap allowing inclined positioning for easy disassembly and a second gap facilitating vertical dismounting, along with a housing to prevent panel deformation and maintain parallelism between panels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If detailed fixing elements are used for each panel, then the panel assembly becomes more secure, but the number of parts increases and assembly time increases
Solution Approach 1:
The patent combines multiple fixing functions into a single integrated bearing structure. The bearing simultaneously provides movement limitation in horizontal and vertical directions, supports the panel, and enables the dismounting mechanism through gap provision, eliminating the need for separate fixing elements for each function.
Solution Approach 2:
The bearing is designed as a multi-functional component that performs several functions: limiting horizontal movement, limiting vertical movement, providing support, and enabling dismounting through the first gap. This universal component replaces multiple specialized fixing elements.
2Reliability
If multiple fixing elements are used for each panel, then the panel assembly becomes more secure, but the assembly time increases
Solution Approach 1:
Multiple fixing functions are merged into the single bearing structure, allowing the panel to be secured with one component rather than multiple separate fixing elements, thereby reducing assembly time while maintaining security.
Solution Approach 2:
The bearing is pre-configured with the first gap and movement limitation features, so that when the panel is installed, the securing action is already prepared and requires minimal additional steps, reducing assembly time.
3Shape
If the inner panel is made to completely cover the casing surface, then the appearance is improved, but the panel becomes more prone to stretching and deformation due to high temperature
Solution Approach 1:
The patent introduces separation between the inner panel and the casing through the first gap and bearing structure. This segmentation allows the panel to be visually prominent while physically decoupling it from the heat-prone casing, reducing thermal deformation.
Solution Approach 2:
The bearing acts as an intermediary between the inner panel and the casing structure. It provides support and movement limitation while the first gap creates thermal and mechanical separation, protecting the panel from direct heat transfer and structural stress.
4Manufacturing precision
If the inner panel is rigidly fixed to prevent movement, then the panel alignment is maintained, but the panel cannot be easily dismounted for cleaning
Solution Approach 1:
The bearing provides dynamic fixation that maintains alignment during normal operation through movement limitation, but allows controlled dismounting when needed. The first gap enables the panel to be tilted and removed, providing flexibility while maintaining precision during use.
Solution Approach 2:
The system changes the state of panel fixation from completely rigid to conditionally constrained. During operation, the bearing limits movement to maintain alignment; during cleaning, the first gap allows positional change for easy removal.
Data Source
AI summary
The oven (1) of the present invention comprises a cooking chamber (2) wherein foods desired to be cooked are placed, a door (3) which allows access to the cooking chamber (2), an outer panel (4) which is located on the door (3) and which forms the door (3) surface that contacts the outer environment, an inner panel (5) which forms the door (3) surface that contacts the cooking chamber (2), and a casing (6) which is located between the outer panel (4) and the inner panel (5), and on one side of which the outer panel (4) and on the other side of which the inner panel (5) are fixed such that they will be parallel to each other, and which has quadrangular and hollow vertical profiles (7) forming the side edges of the door (3) and a quadrangular and hollow horizontal profile (8) connecting the vertical profiles (7) to each other, and which is formed by joining the profiles (7 and 8) together in an upside-down "U"-form.