| 摘要 |
A changeable plug base structure includes a universal terminal base disposed on an electronic device with first, second and third terminal pieces exposed from the surface thereof. A removable type insert plate is insertable into the universal terminal base, and has at least one positive terminal and one negative terminal secured thereon. The front side of the removable type insert plate displays the shapes of the terminals. The back side of the removable type insert plate is provided with terminal contact points corresponding to the first, second and third terminal pieces. The universal terminal base provides extensive terminal contact positions to permit contact with removable type insert plates of different specifications so that the user can select suitable removable type insert plates for use therewith.
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