Handshower Slide Cam Lock for Safe Auto-Engagement
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional showerhead holders often fail to securely lock the showerhead in place, leading to potential damage or injury if the holder is not fully engaged before release, especially with heavy handshower systems.
Innovation Solution
A handshower slide mechanism featuring a cam system within a bar, where a handle rotates to change the cam's orientation, securing the holder when locked and allowing movement when unlocked, with a spring biasing the mechanism to automatically lock upon release.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional clamping mechanism with handle and spring is used to grip the slidebar from the outside, then the showerhead holder can be adjusted along the bar, but the mechanism may freefall and cause damage or injury if the handle is released before full engagement
Solution Approach 1:
The cam mechanism is designed to automatically engage and lock the showerhead holder to the slidebar before the user releases the handle. The cam's geometry ensures that locking action occurs preliminarily during the adjustment process, preventing freefall even if the handle is accidentally released before full engagement.
Solution Approach 2:
The spring-loaded cam mechanism provides a cushioning effect by maintaining constant pressure between the cam and slidebar. This beforehand cushioning ensures that the locking force is always present and ready to prevent freefall, rather than relying solely on the user to maintain clamping pressure.
2Force
If external clamping force is applied from outside the slidebar, then the holder can grip the bar, but the locking mechanism requires user attention and may fail to engage properly
Solution Approach 1:
The cam mechanism is designed to automatically self-lock onto the slidebar without requiring continuous user attention. Once the handle is moved to the locked position, the cam's geometry and spring force automatically maintain the clamping action, making the system self-servicing and eliminating the need for users to remember to maintain pressure.
3Device complexity
If a simple handle-release mechanism is used, then the device is easy to operate, but it provides no protection against accidental release or improper engagement
Solution Approach 1:
The cam mechanism performs the locking action preliminarily and automatically as the handle is moved into position. The spring ensures that locking force is applied before the user releases the handle, providing reliability without adding complex interlocks or multiple steps to the operation.
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
Ensures the showerhead holder remains securely locked in place even if the user forgets to manually lock it, preventing falls and providing a secure, adjustable, and easy-to-use solution for various user preferences.
Implementation Method 1
An orientation of the cam is controlled by a spring and is biased toward the first orientation
Implementation Method 2
The cam is configured to be movable from the first orientation to the second orientation by an external force on the handle that overcomes the force of the spring and frictionally engages the cam with the bar
Data Source
AI summary
A handshower slide includes a bar with a passageway, a slide mechanism positioned along a length of the bar, and a showerhead holder movable with the slide mechanism along the length of the bar. The slide mechanism includes a handle and a cam, and the cam is positioned within the passageway and is rotatable between a first orientation and a second orientation relative to the bar. The slide mechanism is not movable along the length of the bar while the cam is in the first orientation and is movable along the length of the bar while the cam is in the second orientation. An orientation of the cam is correlated to a position of the handle, and a spring is coupled to the handle and the cam, so that the spring biases the cam toward the first orientation and away from the second orientation.