Automatically open type mouse blocking plate

The utility model belongs to the field of anti-mouse device technology, in particular to an automatically open type mouse blocking plate. The mouse blocking plate comprises two sheets of door fans arranged on the upper end of a door frame. The door fans are connected with wall body via outward spring hinges. The mouse blocking plate is characterized in that a door block is arranged in the middle of the door frame; a round mouth inserting groove is arranged in the door block; a vertical pin corresponding to the round mouth inserting groove is arranged on one of the door fans; and a protrusion is arranged on one side away from the wall body of the other one of the door fans. The mouse blocking plate is simple in structure, convenient to use, capable of automatically opening and effectively preventing creepers from entering, lower in manufacturing cost and easy to promote and apply, and damage caused by mice interrupting people in a food factory can be effectively avoided.