Shower Seat Water Separator Snap-Fit Connection
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Solution Overview
Problem
Current water separators with shower seats face issues of loose connections due to screw loosening and reliance on rigid friction, leading to unreliable rotation and potential detachment, along with inconvenient operation due to high adjusting forces in the switching mechanism.
Innovation Solution
The water separator employs snap-fit joints and elastic tooth friction to secure the shower seat to the valve body, replacing traditional screw connections and rigid friction with snap-fit surfaces and C-shape elastic elements to ensure reliable and durable rotation, and integrates a water outflow switching mechanism with a leather cup and elastic member for efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If screw connection is used to fix shower seat to valve body, then initial connection strength is sufficient, but connection reliability deteriorates over time due to screw loosening
Solution Approach 1:
The connection structure is segmented into multiple independent snap-fit joints distributed around the shower seat perimeter, replacing the single screw connection. Each snap-fit joint independently contributes to holding the shower seat, providing redundancy and preventing complete detachment even if individual joints experience stress.
Solution Approach 2:
The snap-fit joints incorporate elastic deformation capability, allowing dynamic adjustment during installation and operation. The elastic material enables the joints to flex during assembly and maintain constant contact pressure, adapting to manufacturing tolerances and thermal expansion while preventing screw-like loosening.
2Ease of operation
If rigid friction is used to stop shower seat rotation, then rotation control is achieved initially, but frictional strength reduces over time causing shower seat to loosen
Solution Approach 1:
The friction mechanism transitions from rigid static friction to elastic dynamic friction. The elastic tooth structure changes the friction parameter from high initial rigid friction to sustained elastic friction that maintains consistent stopping force through deformation recovery, preventing the frictional strength reduction seen in rigid systems.
Solution Approach 2:
The rotation-stopping mechanism combines rigid tooth structures with elastic material properties. The elastic tooth friction mechanism integrates the geometric engagement of rigid teeth with the deformable, energy-absorbing characteristics of elastic material, creating a composite friction system that maintains reliability over time.
3Ease of operation
If switching and blocking component is disposed at outlet, then water flow control is achieved, but adjusting force required is relatively large making operation inconvenient
Solution Approach 1:
The switching mechanism transitions from linear/outlet-based actuation to rotational/dimensional actuation. By disposing the switching component to respond to rotational motion of the shower seat rather than linear displacement at the outlet, the mechanical advantage increases, reducing the adjusting force required while maintaining effective water flow control.
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
This design enhances the reliability and durability of the shower seat connection, reduces the risk of detachment, and simplifies operation by minimizing required forces, ensuring stable and convenient water separation and inflow management.
Implementation Method 1
The shower seat is snapped to the water separating valve through snap-fit joints... C-shape elastic elements
Implementation Method 2
The manner for stopping the rotation of the shower seat has been changed from rigid friction to elastic tooth friction... The first frictional surface and the second frictional surface rotate accordingly and interact with each other
Data Source
AI summary
A water separator with a shower seat includes a valve body, a frictional unit, a shower seat, and a water outflow switching mechanism. The valve body is provided with a plurality of snap-fit joints disposed circumferentially. The frictional unit is mounted on the valve body and an outer wall thereof is provided with a first frictional surface. The shower seat is provided with a connecting chamber having an open end, and a snap-fit surface and a second frictional surface are circumferentially disposed in the connecting chamber, respectively. The water outflow switching mechanism is mounted in the valve body. Hook heads of the snap-fit joints are snapped to the snap-fit surface to prevent the shower seat from getting separated from the valve body. When the shower seat rotates with respect to the valve body, the first frictional surface and the second frictional surface rotate accordingly and interact with each other.