| 摘要 |
A modular plug device includes an adapter and a plug. The adapter has an insulating casing and a locking button. The insulating casing has two side arms and is provided with pivoting portions. One side arm is provided a projecting portion on the surface of the inner edge thereof. The locking button is movably provided on the two side arms. The plug is movably assembled with the adapter. The side edges of the plug are formed with sliding grooves to correspond to the pivoting portions. The projecting portions are stopped and positioned by the front ends of the sliding grooves when the inner surface of the locking button abut against the outer surface of the side arm. Therefore, when the plug is assembled with the adapter they can be reliably locked together without the risk of loosening or detaching, thereby achieving a secure electrical connection.
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