Socket protection door structure and socket

A socket, comprising:

• a socket protection door structure, wherein the socket protection door structure comprises:
• a support seat, a protection door, and an elastic reset member, wherein:
• the support seat is provided with two sets of first via holes which correspond to an N-pole plug bush and an L-pole plug bush of a socket, respectively;
• the protection door is movably connected to the support seat, and the protection door is provided with a second via hole and is configured to be capable of moving sequentially in a first direction and a second direction, such that one set of the first via holes is exposed and another set of first via holes is correspondingly communicated with the second via hole, wherein the first direction is in a direction perpendicular to a top surface, facing jacks of the socket, of the protection door, and the second direction is in a distribution direction of the two sets of first via holes;
• the elastic reset member is disposed between the support seat and the protection door, and is configured to reset the protection door;
• and
• the support seat comprises a bottom support portion and a side circumference portion, the socket protection door structure further comprises a stopper, wherein the stopper is disposed on the bottom support portion of the support seat, and a top end of the stopper is disposed in the second via hole of the protection door;
• and the stopper is capable of abutting against a wall of the second via hole when the protection door is tilted to one side under single-pin insertion.