Rotary door stop

A rotary door stop, comprising:

• a door stop rotation base configured to be fixed to a door body or a door frame;
• a door stop body rotatably engaged with the door stop rotation base, the door stop body comprising a rotation base end and a stop arm, the rotation base end being rotatably engaged onto the door stop rotation base;
• wherein the stop arm is configured to rotate about the door stop rotation base to between the door body and the door frame to achieve a stop effect to define a locked state, or is configured to rotate about the door stop rotation base to a non-stop position to define an unlocked state;
• a rotation resetting member arranged between the door stop body and the door stop rotation base;
• a first locking portion;
• and
• a first operating member provided with a third locking portion engaged with the first locking portion;
• wherein one of the first locking portion and the first operating member is arranged on the door stop rotation base, and the other of the first locking portion and the first operating member is arranged on the door stop body;
• the first locking portion and the third locking portion are respectively provided with a first limiting portion and the second limiting portion, the first limiting portion and the second limiting portion being engaged with each other to limit rotation of the door stop body relative to the door stop rotation base, such that the door stop body is retained in the unlocked state;
• and
• wherein the first operating member is arranged close to the door frame to cause the first operating member to act on the door frame when the door body is in a closed state, so as to release limit retention between the first limiting portion and the second limiting portion, such that when the door body is opened, the door stop body is capable of automatically rotating to a lock position under the action of the rotation resetting member.