Frame structure

A frame structure, comprising:

• a front plate;
• a middle partition, installed at the rear side of the front plate, and including a first side plate portion, a second side plate portion and a third side plate portion extended in the same direction and from two opposite ends of the first side plate portion respectively, a stop block protruded from an end of the second side plate portion towards the third side plate portion, an opening formed between the ends of the second side plate portion and the third side plate portion and opposite to the first side plate portion, and the first side plate portion, the second side plate portion, the third side plate portion and the stop block defining a containing space for placing a display object, and the width from an inner edge of the third side plate portion to an upper edge of the stop block being greater than the width of the display object, and the length from an inner edge of the first side plate portion to an inner edge of the stop block being greater than the length of the display object, so that the display object can be put into the containing space from the opening of the middle partition, and the stop block being provided for limiting the display object from retracting towards the opening from the containing space;
• and
• a back plate, covering the rear side of the middle partition.