Switching Mechanism for Rabbit Cage Filter Alignment
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Solution Overview
Problem
Existing photographic equipment, such as mobile phone and camera lenses, require manual calibration to align filters with the camera, which can lead to misalignment and reduced photo quality.
Innovation Solution
A switching mechanism and assembly mechanism are provided, featuring a sliding portion with a bayonet configuration that allows for easy and accurate assembly with the assembly mechanism, eliminating the need for manual calibration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual calibration is used to align filters with the camera, then the switching ring can be rotated and installed on the rabbit cage, but the alignment accuracy deteriorates and photo quality is reduced
Solution Approach 1:
The patent applies preliminary action by pre-setting the avoiding hole's position and size on the switching ring to match the camera's aperture characteristics before assembly. This pre-configured design eliminates the need for manual calibration during installation, as the avoiding hole is already positioned to correctly frame the camera sensor, thereby maintaining both ease of installation and alignment accuracy
Solution Approach 2:
The switching ring design allows the avoiding hole to automatically align with the camera aperture through its rotational mechanism and pre-set geometry. The system serves itself by using the camera's own aperture characteristics to define the avoiding hole's dimensions and position, eliminating the need for external calibration tools or manual adjustment, thus achieving both operational simplicity and precise alignment
2Manufacturing precision
If the avoiding hole is made square to match the camera sensor, then the filter coverage is improved, but the alignment difficulty increases due to skewing and border matching requirements
Solution Approach 1:
The patent applies preliminary action by pre-calculating and pre-forming the avoiding hole's geometry to match the camera sensor's aspect ratio and aperture characteristics before assembly. This pre-configured design eliminates the need for manual calibration during installation, as the avoiding hole is already positioned to correctly frame the camera sensor, thereby maintaining both ease of installation and alignment accuracy
Solution Approach 2:
The patent applies asymmetry by designing the avoiding hole with specific non-uniform dimensions and positioning that precisely match the camera sensor's asymmetric aperture characteristics. Rather than using a symmetric square hole, the design employs asymmetric proportions that naturally align with the sensor's active area, eliminating the need for manual calibration while ensuring optimal filter coverage
3Adaptability or versatility
If the switching ring is rotatably installed on the rabbit cage, then filter replacement is enabled, but the assembly stability deteriorates due to manual calibration requirements
Solution Approach 1:
The patent applies preliminary action by pre-setting the avoiding hole's position and size on the switching ring to match the camera's aperture characteristics before assembly. This pre-configured design eliminates the need for manual calibration during installation, as the avoiding hole is already positioned to correctly frame the camera sensor, thereby maintaining both ease of installation and alignment accuracy
Solution Approach 2:
The patent replaces the manual mechanical calibration process with a geometric design solution. Instead of requiring manual adjustment of the avoiding hole's position and size during assembly, the design uses pre-calculated geometric parameters that automatically align with the camera sensor, substituting mechanical adjustment with geometric precision to achieve stable assembly while maintaining filter replacement capability
Data Source
AI summary
Disclosed are a switching mechanism, an assembly mechanism and a rabbit cage apparatus. The switching mechanism includes: a main body provided with a lens hole for installing a filter, and at least one fixed structure provided on the main body. The fixed structure includes a sliding portion provided with a jointing portion, the sliding portion is configured to slidably mount on the assembly mechanism, and the jointing portion is configured to lock the assembly mechanism.