Air Conditioner Outdoor Unit Panel Assembly with Claw-Based Alignment
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Solution Overview
Problem
In existing outdoor units of air-conditioning apparatuses, the panel fixed to the back portion with hooked claw portions experiences high instability, leading to significant misalignment issues when trying to attach or detach the panel to the side portion, making the process cumbersome and difficult.
Innovation Solution
The outdoor unit design features a first panel with a cross-sectional L shape, including a side panel and a back panel, and a plurality of claw portions, where the first claw portion protrudes upward from the back panel and is inserted between two plates, allowing for easier attachment and detachment even in confined spaces by reducing tilt and misalignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the panel is fixed to the back portion with hooked claw portions, then the panel can be attached without sufficient workspace behind the back portion, but the degree of unsteadiness of the panel relative to the body becomes large and misalignment occurs
Solution Approach 1:
The panel is divided into multiple claw portions (first claw portion and second claw portion) that engage with different features on the body. The first claw portion engages with the cutout in the first plate, while the second claw portion engages with the second plate, distributing the stabilization function across multiple engagement points rather than relying on a single hooked claw mechanism.
Solution Approach 2:
The first claw portion acts as an intermediary element between the panel and the body structure. By inserting the first claw portion into the cutout and positioning it between the first plate and second plate, it mediates the connection and reduces the tilt of the panel relative to the body, thereby improving alignment.
2Adaptability or versatility
If the panel is fixed to the back portion with hooked claw portions, then the panel can be attached in confined spaces, but the amount of tilt of the panel relative to the body increases making screw alignment complex
Solution Approach 1:
The panel connection mechanism is segmented into multiple claw portions that engage with different plates. This segmentation allows the panel to be stabilized at multiple points, reducing overall tilt and improving screw hole alignment while still accommodating confined installation spaces.
Solution Approach 2:
The invention changes the geometric parameters of the panel connection system by introducing the first claw portion with a plate-like shape that inserts into the cutout and positions itself between the first plate and second plate. This parameter change reduces the tilt angle of the panel, thereby improving the alignment precision of screw holes with female screws.
3Ease of operation
If a continuous opening is formed in the side portion and back portion, then maintenance access is improved, but the panel becomes harder to stabilize during attachment
Solution Approach 1:
The panel is segmented into multiple claw portions that engage with different structural elements. The first claw portion engages with the cutout in the first plate, while the second claw portion engages with the second plate, providing distributed stabilization that counteracts the instability introduced by the continuous opening configuration.
Solution Approach 2:
The first claw portion serves as an intermediary that bridges the panel to the body structure through the cutout. By positioning the first claw portion between the first plate and second plate, it mediates the connection and provides the necessary stability during attachment despite the continuous opening design.
Data Source
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AI summary
An outer casing of an outdoor unit of an air-conditioning apparatus includes: a body in which a first opening is formed to be continuous in a side portion and a back portion; and a first panel that covers the first opening and whose cross section has an L shape. The first panel includes: a side panel that covers a part formed in the side portion of the first opening; a back panel that covers a part formed in the back portion of the first opening; and a plurality of claw portions. One of the plurality of claw portions is a first claw portion that has a plate-like shape and that protrudes upward from an upper end portion of the back panel. The back portion of the body includes: a first plate having a lower end portion in which a cutout is formed; and a second plate disposed forward of the first plate with a predetermined distance between the first plate and the second plate. When the first claw portion is inserted into the cutout, and the first panel is moved in a direction in which the side panel approaches the side portion, the first claw portion is disposed between the first plate and the second plate.