Showerhead Pause Assembly With Linear-to-Rotary Valve Control
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Solution Overview
Problem
Showerhead systems often have controls that are out of reach for users, especially with handheld showerheads, making it difficult to quickly pause or adjust water flow while showering.
Innovation Solution
A control assembly, such as a pause assembly, is integrated into the showerhead, featuring a valve housing, actuator, and valve that can be moved by the user to open or close the water flow path, allowing for easy control of water flow from various locations within the shower enclosure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If controls are positioned on the wall or support structure separate from the showerhead, then the control system is simple and easy to manufacture, but the controls become out of reach for users during showering
Solution Approach 1:
The control assembly is merged with the showerhead body, integrating the valve housing, actuator, and valve into a single unified structure. This allows users to access controls directly on the showerhead while maintaining a compact design that does not significantly increase overall complexity.
Solution Approach 2:
The actuator is positioned to extend from the showerhead in a direction that makes it accessible to users standing in the shower enclosure. This spatial arrangement in another dimension allows user access without requiring the controls to be mounted on distant wall surfaces.
2Ease of operation
If controls are integrated into the showerhead with an actuator extending from the handle, then user accessibility is improved, but the device structure becomes more complex
Solution Approach 1:
The control assembly is segmented into distinct functional components: valve housing, actuator, and valve. This segmentation allows each component to be optimized independently while maintaining overall simplicity, with the actuator serving as a separate movable element that extends from the handle.
Solution Approach 2:
The actuator is designed as a movable component that can be manipulated by users during showering. This dynamic element provides operational flexibility without requiring complex fixed mounting structures, allowing the control system to adapt to user needs while maintaining structural simplicity.
3Productivity
If a valve rotates within the valve cavity to control flow, then precise flow control is achieved, but the mechanism requires more components
Solution Approach 1:
The rotating valve serves multiple functions: it completely stops water flow, partially restricts flow, and can be positioned at various angles to control water delivery. This multi-functionality is achieved through a single rotating component rather than multiple separate valves or complex mechanisms.
Solution Approach 2:
The valve controls water flow by changing its rotational position, which alters the flow parameters from fully open to fully closed and various intermediate states. This parameter-based control allows precise adjustment of water flow without requiring multiple discrete components.
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
Enables users to effortlessly pause or adjust water flow without needing to access external controls, enhancing user convenience and flexibility during showering.
Implementation Method 1
a valve driver coupled between the actuator and the valve, where the valve driver converts the linear motion of the actuator into a rotational movement of the valve
Data Source
AI summary
A showerhead including a housing defining a plurality of nozzles and an inlet and having a water control assembly is disclosed. The water control assembly may be positioned at least partially within the housing between the plurality of nozzles and the inlet to control water flow from the inlet to the plurality of nozzles. The water control assembly including an actuator linearly movable along a length of the housing, a valve operably coupled to the actuator that rotates from a first position allowing fluid flow from the inlet to reach the nozzles to a second position reducing fluid flow from the inlet to the nozzles, and a valve driver coupled between the actuator and the valve, where the valve driver converts the linear motion of the actuator into a rotational movement of the valve.