Rotatable Spray Head Alignment for Fragrance Dispensers
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Misalignment of the spray head in air freshener dispensers leads to reduced performance due to undesired fluid dispersion and reduced spray range.
Innovation Solution
A rotatable spray head with vertical ribs that aligns automatically upon insertion into the dispenser, guided by jaws that contact the ribs to rotate the head into the correct orientation, ensuring proper nozzle alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the spray head is misaligned, then the device structure is simple, but the fluid dispersion directionality deteriorates and spray range is reduced
Solution Approach 1:
The spray head automatically aligns itself with the nozzle during insertion into the dispensing device. The self-aligning mechanism uses the geometry of the spray head and dispensing device interface to guide the spray head into the correct orientation without requiring external alignment tools or complex adjustment mechanisms, thus maintaining simplicity while achieving precise alignment.
Solution Approach 2:
The spray head incorporates asymmetric features such as a flat side or positioning protrusions that correspond to asymmetric features in the dispensing device. This asymmetric design ensures that the spray head can only be inserted in the correct orientation, automatically achieving proper alignment with the nozzle while preventing misalignment.
2Ease of manufacture
If the spray head is misaligned, then the device is easy to manufacture, but fluid dispersion directionality and spray range deteriorate
Solution Approach 1:
The spray head is pre-configured with alignment features such as positioning ribs, flat surfaces, or asymmetric geometries that ensure correct orientation before insertion. This preliminary preparation of alignment features during manufacturing allows the spray head to automatically assume the correct position during assembly, maintaining ease of manufacture while ensuring precise nozzle alignment.
3Manufacturing precision
If a rotatable spray head with alignment ribs is used, then spray head alignment improves, but device complexity increases
Solution Approach 1:
Instead of making the entire spray head complex, only specific local features such as positioning ribs, flat surfaces, or asymmetric elements are added to the spray head structure. These localized alignment features provide the necessary alignment functionality while keeping the rest of the spray head simple and easy to manufacture.
Data Source
AI summary
A refill for a liquid fragrance dispensing device, the refill configured to be inserted into the fragrance dispensing device; wherein the refill comprises a rotatable spray head and a bottle, the rotatable spray head further comprising a nozzle; the spray head is configured to dispense liquid fragrance from the bottle; wherein the spray head is configured to be rotated by the dispensing device by contacting at least one jaw of the dispensing device as the bottle is inserted into the dispensing device; and wherein the spray head further comprises at least one vertical rib and the at least one rib is configured to contact the at least one jaw to align the spray head in the dispensing device.