Push-Button Tub and Shower Diverter With Tolerance Adjustment
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Solution Overview
Problem
Conventional tub and shower diverter systems require users to manually rotate a handle or lift a diverter pin to redirect water flow, which can be difficult and uncomfortable.
Innovation Solution
A push-button tub and shower diverter assembly that includes an escutcheon with push buttons for selectively directing water flow to either the tub or shower, and a manifold sub-assembly with flow control valves and a mixing valve to control water temperature.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional handle or diverter pin is used to redirect water flow, then the system structure is simple, but the ease of operation deteriorates because manual rotation or lifting is difficult and uncomfortable
Solution Approach 1:
The patent replaces the conventional mechanical handle rotation or diverter pin lifting mechanism with a push-button actuation system. The push buttons are connected to valve mechanisms that redirect water flow through mechanical advantage, allowing users to divert water with simple linear pressing motion rather than difficult rotational or lifting motions.
Solution Approach 2:
The patent introduces push buttons as intermediary elements between the user and the water flow control mechanism. These buttons are connected to internal valve components through linkages or direct mechanical coupling, serving as a mediator that translates simple button pressure into effective flow redirection without requiring the user to directly manipulate the valve mechanism.
2Ease of operation
If a push-button system is implemented to improve ease of operation, then ease of operation improves, but device complexity worsens due to additional components
Solution Approach 1:
The patent merges the push-button actuation mechanism with the existing valve body and flow control components. The buttons are integrated into the valve housing, and the internal linkages are combined with the valve seating mechanisms, reducing the need for separate independent components and minimizing overall device complexity despite the improved user interface.
Solution Approach 2:
The push-button mechanism serves multiple functions: it acts as the primary actuator for flow redirection, provides tactile feedback to the user, and can be integrated with temperature control features. This multi-functionality reduces the need for additional separate components, thereby limiting the increase in device complexity.
Data Source
AI summary
A tub and shower diverter assembly includes a manifold sub-assembly configured to be detachably coupled to, and in fluid communication with, an existing waterway connector of a conventional tub and shower diverter system. The manifold sub-assembly includes a manifold, a flow control valve coupled to the manifold, and a tolerance adjuster. The flow control valve is configured to provide a flow of water to a tub or a shower device. The tolerance adjustor is coupled to the flow control valve and is configured to be selectively adjusted to change an axial position of the tolerance adjustor relative to a wall adjacent the manifold sub-assembly.