I have a Philips Sonicare Toothbrush and the power button is just a small PCB mounted button that is covered by a piece of rubber. I must be an aggressive tooth brusher because I seem to have worn through the rubber!
No one wants the rubber to break… and when it does you need to find a solution to that problem!
I had these small rubber bands so I figured sliding a few over the hole might be okay. They were not. They didn’t cover enough area and when I used the toothbrush I kept pushing the bands around.
Solution? We’re gonna need a bigger band! Bigger is always better, right?
Well, not always… but in this case it was definitely an improvement. The big band held in place pretty well. I have no idea where I got this rubber band from so I hope it never breaks!
Back to the old toothbrush board! I was worried about the large rubber band because it still left a tiny gap on either side of the band that could let water into the hole.
I wrapped some electrical tape around the shaft where the hole is and I covered the rubber part completely. I gave a few button presses with just the tape and could see it would not hold up.
So now we have two layers of protection! The electrical tape and the rubber band. That should do it.
So far it’s help up. Sometimes it’s a bit difficult to press the button because it’s quite small and the rubber band is thick. The other idea I had was a piece of heat shrink over the handle but I didn’t have any large enough to fit over the shaft.
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