Piston Scent Dispenser With Spring-Driven Airflow Control
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Solution Overview
Problem
Existing scent dispensers and odor absorbers lack efficient mechanisms for controlled release and absorption of volatile scented substances, often requiring complex operations and higher manufacturing costs.
Innovation Solution
A scent dispenser design featuring a piston with a U-shaped flange and a locking mechanism that allows for controlled airflow through a scent cartridge, utilizing a spring for piston movement to create suction and compression, ensuring efficient release and absorption of scented substances.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a simple piston mechanism is used for scent dispensing, then the device complexity is reduced and manufacturing cost is lowered, but the control precision of airflow and scent release is insufficient
Solution Approach 1:
The piston is divided into separate components: a piston body with a U-shaped flange, a door assembly, and a locking mechanism. This segmentation allows each component to perform its specific function while maintaining overall simplicity. The piston body handles movement, the door controls airflow, and the locking mechanism maintains position, achieving precise control without complex integrated design.
Solution Approach 2:
The piston mechanism uses dynamic movement between discrete positions (upward and downward strokes) to control scent release. The locking button provides dynamic locking at specific positions, allowing the system to transition between locked and unlocked states. This dynamic operation enables precise control of airflow timing and duration through simple mechanical motion.
2Manufacturing precision
If a U-shaped flange with door and locking mechanism is added to control airflow, then the control precision of scent release is improved, but the device complexity increases
Solution Approach 1:
The U-shaped flange integrates multiple functions: it provides structural support, guides door movement through a groove, and works with the locking button to secure the piston position. The door itself combines airflow control with sealing functionality. This merging of functions into unified components achieves precise control without proportionally increasing overall device complexity.
Solution Approach 2:
The locking mechanism is designed to be self-actuating through the interaction of the locking button and L-shaped groove. When the piston reaches the desired position, the button automatically engages with the groove to lock the mechanism. This self-locking feature eliminates the need for additional actuators or complex control systems, maintaining simplicity while achieving precise positional control.
3Ease of operation
If spring force is used to provide motive force for piston movement, then the ease of operation is improved, but the reliability of consistent suction and compression may be affected
Solution Approach 1:
The spring provides periodic force that drives the piston through repeated cycles of upward and downward movement. This periodic action creates consistent suction during the upward stroke and compression during the downward stroke. The spring's elastic properties ensure uniform force delivery with each cycle, maintaining reliable and repeatable operation over time.
Solution Approach 2:
The spring mechanism provides inherent feedback through its elastic deformation. As the piston moves, the spring compresses or extends, naturally regulating the force applied. This feedback mechanism ensures that the piston returns to its starting position consistently and maintains proper sealing contact, enhancing reliability without requiring additional control systems.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The design enables effective and economical dispensing and absorption of scented substances, maintaining simplicity in operation while providing consistent fragrance distribution and odor management.
Implementation Method 1
Motive force for the upward movement of the piston toward the locking position is provided by a spring in the piston chamber
Implementation Method 2
Upward movement of the piston causes suction to form in the piston cylinder chamber, drawing air into the piston cylinder chamber through the ventilation port and the cartridge chamber
Implementation Method 3
Downward movement of the piston compresses the scented air in the piston cylinder chamber, forcing it through the cartridge chamber to be expelled through the ventilation port
Implementation Method 4
The core includes a material that can reversibly absorb or adsorb a volatile scented substance and allows air to flow readily through the core
Implementation Method 5
The core includes a material that can reversibly absorb or adsorb a volatile scented substance and allows air to flow readily through the core
Data Source
AI summary
An ambient environment modification mechanism such as a scent dispenser (which could also act as a filter) which may comprise a piston and a piston cylinder, receiving the piston, and forming a piston cylinder chamber volume when the piston is moved from an inserted position in the piston cylinder to a withdrawn position in the piston cylinder. The piston may have a hollow interior receiving an ambient air modification material holder, such as a cartridge, containing ambient air modification material. The hollow interior may be in fluid communication with the piston cylinder chamber volume at a first end of the hollow interior. A ventilation opening may be in fluid communication with the hollow interior at a second end of the hollow interior. A piston cylinder chamber volume forming mechanism, such as spring may move the piston relative to the piston cylinder from the inserted position to the withdrawn position.