VR glasses convenient for adjusting tightness

The utility model provides a pair of VR glasses convenient for adjusting tightness, and belongs to the technical field of VR glasses. According to the VR glasses main body mechanism capable of conveniently adjusting the tightness, the glasses main body mechanism comprises a glasses box, and a glasses cover is rotationally arranged on one side of the glasses box; the positioning mechanism comprises an arc-shaped frame, the elastic braid is fixed between the arc-shaped frame and the spectacle case, a plurality of positioning holes are formed in the elastic braid, two limiting holes are formed in the arc-shaped frame, and positioning rods are arranged in the limiting holes; according to the utility model, the positioning rod, the first spring and the limiting block are matched for use, so that the positioning rod adjusts the tightness degree of the elastic braid at different positions on the positioning hole, the tightness degree of the elastic braid can be adjusted according to the size of the head of a user, a