Door limiting mechanism and electric appliance cabinet

A door limiting mechanism for a door body, comprising:

• a connecting assembly, a locking assembly and an abutting assembly, wherein:
• the connecting assembly is configured to connect the door body to another structure, the connecting assembly comprises a fixed member fixedly connected to the door body, and a locking groove is defined in the fixed member,
• the locking assembly comprises a rotatable member and a locking member, the rotatable member is rotatably connected to the door body, and the locking member is fixedly connected to the rotatable member for passing through the locking groove to form a locking structure,
• the abutting assembly is configured to lock the locking member in the locking groove, and
• an oblong groove is defined in the rotatable member, the locking assembly further comprises a driving member rotatably connected to the door body, a driving protrusion is fixedly connected to the driving member, the driving protrusion is slidably connected in the oblong groove, wherein the driving member is driven to rotate, so that the driving protrusion is slid in the oblong groove to drive the rotatable member to rotate, thereby disengaging the locking member from the locking groove to open the door body.