High-strength three-cavity glass

The utility model provides high-strength three-cavity glass. The structure comprises a frame, tempered glass and a pressing frame, four pieces of tempered glass are installed in the frame at equal intervals. Counter bores are formed in the face, away from the tempered glass, of the pressing frame. A round hole aligned with the counterbore is formed in one surface, facing the pressing frame, of thetoughened glass; a hexagonal hole is formed in the face, away from the pressing frame, of the frame. An insertion hole is formed in the hexagonal hole in the central axis direction of the circular hole; the central axis of the jack coincides with the central axis of the circular hole. A hexagonal block is arranged in the hexagonal hole; a straight thread cylinder is fixed in the middle of one surface, facing the frame, of the hexagonal block; compared with the prior art, the combined-type anti-skid threaded sleeve has the advantages that combined-type assembly is achieved, the anti-skid toothsituation is avoided, and