Filtered Spray Head Cap Structure for Quick Cartridge Replacement
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Solution Overview
Problem
Existing shower systems require the entire spray head or its panel assembly to be disassembled for filter cartridge replacement, making it difficult to achieve quick and convenient replacement.
Innovation Solution
A spray head design with a detachable cap that forms a filter chamber with the housing, allowing the filter cartridge to be replaced by removing the cap without disassembling the entire spray head, and a panel assembly that independently directs filtered water to spray holes without interference from the cap.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the entire spray head or panel assembly is disassembled to access the filter cartridge, then the filter cartridge can be replaced, but the replacement process becomes complex and time-consuming
Solution Approach 1:
The spray head is segmented into modular components: a housing, a detachable cap, and a panel assembly. The cap can be independently removed to access the filter cartridge without disassembling the entire spray head or panel assembly, enabling quick filter replacement while maintaining structural integrity of other components.
Solution Approach 2:
The cap is extracted as a separate, independently removable component from the housing. This extraction allows direct access to the filter cartridge by removing only the cap, eliminating the need to disassemble the entire spray head assembly and significantly simplifying the filter replacement process.
2Ease of operation
If the cap is made detachable for easy filter access, then filter replacement is simplified, but the structural integrity and sealing may be compromised
Solution Approach 1:
The cap is pre-equipped with sealing structures (such as sealing rings or gaskets) that are installed beforehand. When the cap is detached and reattached, these pre-installed sealing elements ensure reliable sealing between the cap and housing, maintaining water-tightness without requiring complex sealing procedures during each cap replacement.
3Manufacturing precision
If the cap blocks water flow to redirect it, then proper filtration path is achieved, but water flow efficiency may be reduced
Solution Approach 1:
The cap features locally optimized water flow channels and openings positioned at specific locations. These localized flow paths are designed to redirect water flow precisely through the filter cartridge while minimizing overall flow resistance, achieving both accurate flow path control and maintained water flow efficiency.
Data Source
AI summary
A spray head includes a housing, a cap, a filter cartridge, and a panel assembly. The housing defines an inlet port. The cap is detachably connected to the housing. The housing and the cap cooperatively define a filter chamber. The filter cartridge is disposed in the filter chamber and includes an inlet end and an outlet end. Unfiltered water enters the filter cartridge sequentially through the inlet port and the inlet end, and filtered water exits the filter cartridge through the outlet end. The panel assembly defines a plurality of spray holes and a spray chamber. The filtered water enters the spray chamber and is sprayed from the plurality of spray holes. The cap is configured to block the unfiltered water at the inlet end or block the filtered water at the outlet end, and the filtered water enters the spray chamber after being redirected at the cap.