Rotatable lock catch and grilling device with rotatable lock catch

A grilling device with a rotatable lock catch, comprising:

• an upper grilling plate;
• a lower grilling plate;
• an installing shelf;
• a rotary shaft detachably disposed on a front side of the installing shelf and comprising:
• an upper half shaft, being disposed on the upper grilling plate and having a post rod;
• and
• a lower half shaft, being disposed on the lower grilling plate, and having a through hole for accommodating the passing in and out of said post rod;
• when the upper grilling plate closes with the lower grilling plate oppositely, the upper half shaft on a front side of the upper grilling plate will joint with the lower half shaft on a front side of the lower grilling plate to form the rotary shaft;
• and,
• a pin module, being disposed at an upper end on the front side of the installing shelf and comprising:
• a supporting shelf having a U-shaped open frame for accommodating said rotary shaft at an upper end thereof;
• two short shafts respectively disposed by two sides of said U-shaped open frame;
• two arc-shaped spacing flakes with opposite openings respectively hinged on the corresponding short shaft;
• a movable ejector pin disposed on the supporting shelf along a midline line of said U-shaped open frame;
• and
• a pressing board at a middle portion of said ejector pin that upward presses lower portions of the two spacing flakes;
• an upper portion of said ejector pin moving between a position of passing out of the U-shaped open frame and a position of passing into the U-shaped open frame to insert into said through hole of the lower half shaft, while upper portions of the two spacing flakes correspondingly pass into the U-shaped open frame for holding said rotary shaft or pass out of the U-shaped open frame to release said rotary shaft.