Shower Head Adjusting Device Dry Cavity Sealing
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Solution Overview
Problem
Existing shower heads with flow adjusting devices are inconvenient for users as they require manual switching near the water outflow, leading to laborious operation and poor user experience, especially when trying to turn off the shower temporarily.
Innovation Solution
A shower head design featuring a rotating mechanism and driving mechanism that adjusts the water outflow area by overlapping the first water outlet and second water passage hole, allowing for adjustable flow and pause functionality without the adjusting device being submerged in water, utilizing a leather cup, water dispensing plate, and surface cover assembly to enclose and seal the water flow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the adjusting device is arranged in the water inlet channel and completely soaked in water, then the flow can be adjusted, but the switching pressure becomes relatively large and the operation becomes laborious
Solution Approach 1:
The adjusting device is extracted from the water inlet channel and placed in a dry cavity, separating it from direct water contact. This eliminates the need to overcome water pressure for operation, significantly reducing switching pressure and making the device easy to operate.
Solution Approach 2:
The shower head is segmented into wet and dry zones. The adjusting device is placed in a dry cavity separated from the water flow path by sealing structures (leather cup, sealing rings). This segmentation allows the adjusting mechanism to operate without water interference while still controlling water flow.
2Ease of operation
If the adjusting device is placed away from the shower head near the water outflow switch, then it can be turned off, but the user has to go near the water outflow switch to turn off the shower head, resulting in inconvenient user experience
Solution Approach 1:
The adjusting device serves dual functions: it controls both the flow rate and the on/off state of the shower head. By integrating the stopper mechanism into the adjusting device, users can control water flow and turn off the shower head using the same hand-operated mechanism, eliminating the need to reach for a separate switch.
3Reliability
If the adjusting device is hermetically sealed and not soaked in water, then the device complexity increases with multiple sealing components, but the adjusting device can operate without water interference
Solution Approach 1:
A leather cup (flexible sealing element) is used to create a waterproof barrier between the water inlet channel and the dry cavity containing the adjusting device. The leather cup can deform to accommodate the rotating adjusting mechanism while maintaining the seal, providing reliable waterproofing without complex rigid sealing structures.
Solution Approach 2:
The leather cup and sealing rings act as intermediary elements that transmit the rotational motion of the adjusting device while maintaining the waterproof seal. These intermediaries allow the adjusting mechanism to rotate and control water flow without compromising the separation between wet and dry zones.
Data Source
AI summary
A shower head includes a shower head body having a water inlet channel, a first leather cup, a surface cover assembly, a water dispensing plate located between the shower head body and the surface cover assembly, and an adjusting device having a driving mechanism and a rotating mechanism. A first water outlet communicating with the water inlet channel penetrates the first leather cup. Two sides of the water dispensing plate respectively cooperate with the shower head body and the surface cover assembly to enclose an installation cavity and a water outflow cavity. The water dispensing plate has a first water passage hole communicating with the water outflow cavity. The driving mechanism is rotatably connected to the shower head body. The rotating mechanism is located inside the installation cavity and abuts against the first leather cup and the water dispensing plate. The driving mechanism drives the rotating mechanism to rotate to adjust a water outflow area.