Portable virtual reality glasses

A portable virtual reality glasses for accommodating an electronic device, comprising:

• a frame, comprising:
• a first cover;
• a second cover opposite to the first cover;
• a first side plate body respectively connected with the first cover and the second cover;
• and
• a second side plate body opposite to the first side plate body, and respectively connected with the first cover and the second cover, wherein the first cover, the second cover, the first side plate body, and the second side plate body are connected with each other to define an accommodation space, and by relatively moving the first side plate body and the second side plate body with respect to the first cover and the second cover, the frame is transformed into either an extended state or a folded state, to change a volume of the accommodation space;
• and
• a spectacle frame assembly connected with the frame, for moving relative to the accommodation space of the frame, wherein the spectacle frame assembly comprises at least one optical lens for producing stereoscopic visual effects;
• wherein the first side plate body and the second side plate body respectively comprise an upper plate and a lower plate, the upper plate is pivotally connected to the lower plate;
• when the frame is transformed to either the extended state or the folded state, the upper plate is pivoted with respect to the first cover and the lower plate is pivoted with respect to the second cover.