Door hinge mounting device for microwave oven

A door hinge mounting device for a microwave oven, comprising:

• at least one hinge plate configured to be attached to a main body of the microwave oven and to support a door, functioning as a pivot center of the door;
• a choke cover installed on a back of the door and accommodating a mounting space into which the hinge plate is configured to be inserted at a portion of the choke cover corresponding to the hinge plate;
• and
• a supporting rib configured to be positioned between the hinge plate and the choke cover and to support the hinge plate in a support position in which the hinge plate is inserted into the mounting space and held substantially fixed in place by the supporting rib such that the door is pivotally supported, wherein the supporting rib is in the form of a flexible, substantially planar member which extends from the choke cover and which is bent at one or more places along a length thereof, and wherein the supporting rib is elastically deformed in the support position.