Fluid Dispenser Case with Elastic Crown Locking Mechanism
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Solution Overview
Problem
Conventional fluid dispenser protective covers do not adequately protect other components and are easily accessible to children, lacking extended safety features.
Innovation Solution
A protective case with locking mechanisms that require coordinated gestures to extract the dispenser, incorporating elastically deformable crowns and gripping windows, making it difficult for children to operate.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional protective cover is used that can be simply removed by friction or snap-fastening, then the ease of operation is improved, but the safety against unauthorized use by children deteriorates
Solution Approach 1:
The case incorporates an elastically deformable crown that dynamically changes its shape during the unlocking process. When pressure is applied to the crown, it deforms elastically to release the blocking means, allowing the dispenser to be extracted. This dynamic mechanical response creates a safety mechanism that is simple to operate for adults but difficult for children to manipulate.
Solution Approach 2:
The blocking means change their engagement parameter with the reservoir based on the state of the crown. When the crown is in its resting position, the blocking edges engage with the reservoir to prevent extraction. When the crown is deformed by applying pressure, the engagement parameter changes, releasing the block and allowing extraction.
2Object-affected harmful factors
If locking means are added to prevent easy extraction, then the safety against unauthorized use is improved, but the device complexity increases
Solution Approach 1:
The case utilizes an elastically deformable crown, which is a flexible structural element, to implement the locking and unlocking mechanism. This flexible component replaces complex multi-part locking systems with a single elastic element that can be deformed to release the blocking means, significantly reducing overall device complexity.
Solution Approach 2:
The locking mechanism is self-activating through the natural elastic properties of the crown. When pressure is applied to the crown, it automatically deforms and releases the blocking edges without requiring additional actuators, motors, or complex control systems. The system uses the user's input force directly to overcome the elastic resistance and unlock the dispenser.
3Reliability
If blocking means are arranged diametrically opposed on the crown, then the reliability of locking is improved, but the ease of operation deteriorates
Solution Approach 1:
The crown is segmented into distinct functional zones: blocking means positioned diametrically opposed for reliable locking, and unlocking sections positioned between them for actuation. This segmentation allows the blocking means to maintain strong engagement with the reservoir while providing separate, accessible areas for the user to apply unlocking force.
Solution Approach 2:
The unlocking mechanism operates in a different dimensional approach by using radial pressure applied to the crown's perimeter. Instead of requiring complex multi-directional manipulation, the user applies force in a simple radial direction at the unlocking sections, which translates into the necessary deformation to release the diametrically opposed blocking means.
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
Enhances protection by requiring complex gestures for dispenser extraction, ensuring safe use, particularly preventing accidental or unauthorized use by children.
Implementation Method 1
the locking means are formed at the level of an elastically deformable crown acting as unlocking means. Preferably, the blocking means are arranged in a diametrically opposed manner, so that an elastic deformation of the crown generates mutual separation of the blocking means
Data Source
Figure 1a~3b
Figure 4a~4b
Figure 5a~6b
AI summary
Assembly for dispensing fluid product comprising a fluid product dispenser (D) having a reservoir (1) forming a closed end (11), characterized in that the dispensing assembly further comprises a case (E) at least partially enveloping the fluid-product dispenser (D) and defining an insertion/extraction opening (61) through which the fluid-product dispenser (D) can be inserted by sliding, the case (E) comprising immobilizing means (66) for immobilizing the dispenser (D) in the case (E) and release means for deactivating the immobilizing means (66) so that the fluid-product dispenser (D) can be extracted from the case (E) by sliding.