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product realization principle is through, interference fit clearance fit to achieve. On the left side of figure
One is to hold the red button when plugged in. When the plug is inserted into the socket, let go of the hand in red
Button, as shown in Figure 2 on the right, opens the sheet of metal in a curve and sticks the sheet of metal in the socket
In order to achieve a slide - proof role.
1. Prevent the safety problems caused by leakage of electricity
Two. Prevent not tight enough, off the power and the loss of documents and other conditions
Delay the service life of electrical appliances