Familiar with the structural characteristics of metal push-button switches, choose a suitable operation switch

All of us have undoubtedly used ballpoint pen refills, so we must have tried the ballpoint pen refill cap, which comes out as soon as you press it, and then goes in after you press it again. I don't know if you know the reason for this, or if you have ever taken it apart to take a look at the structural characteristics of the ballpoint pen. The button switches in our daily life are very similar to the ballpoint pen refills, so now I can introduce the relevant information of the button switches and the structural characteristics of the button switches to you, and you can also refer to them yourself.