Humidifying Air Purifier Door Assembly for Quiet Filter Access
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Solution Overview
Problem
Existing humidifying air purifiers face challenges with complex internal structures, making it difficult for users to easily access and maintain the water container and filter, leading to issues with noise, flow interference, and vibration, as well as increased user effort and sensory dissatisfaction.
Innovation Solution
A humidifying air purifier design featuring a sliding door that allows easy access to the water container and filter, incorporating a double sealing structure to minimize noise and flow interference, and a waterwheel mechanism with a guide roller to reduce vibration and noise during water supply, while optimizing gear engagement and air intake area.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the humidifying gear is slidably drawn into the air purifier and engaged with the rotator, then the engagement between gears can be stably performed, but the user must provide a force equal to or greater than a threshold value to force the rotation of the motor, resulting in a rough and uneven combination process
Solution Approach 1:
A guide groove is introduced as an intermediary structure between the humidifying gear and the rotator. The guide groove guides the humidifying gear during insertion, ensuring proper alignment and gradual engagement with the rotator teeth, thereby reducing the threshold force required and smoothing the combination process while maintaining engagement stability
Solution Approach 2:
The guide groove pre-aligns the humidifying gear with the rotator before actual gear engagement occurs. This preliminary positioning action ensures that the gears engage smoothly from the beginning of insertion, preventing sudden force requirements and enabling a more controlled, easier combination process
2Reliability
If the rotator and humidifying gear are positioned to block a portion of the air circulation hole, then the gear engagement can be achieved, but the air flow is interfered with, causing flow loss and noise
Solution Approach 1:
The guide groove extends in the axial direction (another dimension) to provide guidance, allowing the gears to engage without requiring radial or lateral positioning that would block the air circulation hole. This dimensional approach to guidance separates the engagement function from the air flow path
3Reliability
If the lift is integrally formed with the humidifying gear to be rotated, then the humidifying function can be achieved, but the lift and rotator interfere with the flow of air, causing flow loss and noise
Solution Approach 1:
The lift is separated from the humidifying gear, extracting the lifting function from the rotating component. The lift remains stationary while the humidifying gear rotates independently, removing the source of air flow interference while preserving the humidifying function through the stationary lift's water supply role
Data Source
AI summary
A humidifying air purifier includes a body frame having an opened front and rear, a fan housing coupled to a rear end of the body frame and having a fan intake, a housing cover coupled to a rear end of the fan housing to accommodate an air blowing fan, and an air discharge port formed at an upper end of the fan housing and an upper end of the housing cover. A waterwheel motor is installed on a front surface of the fan housing and positioned outside the fan intake, a driving gear is coupled to the waterwheel motor, a door assembly is configured to be pushed into or drawn out from a front end of the body frame, a water tub is accommodated in a lower side of the door assembly, and a humidifying filter assembly is inserted into the water tub.