The utility model discloses an angle-adjustable writing
desk based on gear ring meshing locking, which belongs to the technical field of
desk angle adjustment, and comprises a desktop,
desk legs and an angle adjusting mechanism, the angle adjusting mechanism is arranged on the desk legs, the desktop is arranged on the angle adjusting mechanism, the angle adjusting mechanism comprises a supporting arm, a limiting piece, a locking piece and a twisting piece, an inner gear ring is arranged on the supporting arm, a guide groove is formed in the limiting piece, a first tooth-shaped part is arranged at one end of the locking piece, a second tooth-shaped part is arranged on the side wall adjacent to one end of the locking piece, a tooth column is arranged on the twisting piece, the limiting piece is arranged on one side of the inner gear ring, the guide groove extends into the inner gear ring, and the locking piece is connected into the guide groove in a sliding mode. The torsion piece is rotationally connected to the limiting piece, the tooth column is meshed with the second tooth-shaped part, the torsion piece rotates to drive the locking piece to slide, separation and meshing of the first tooth-shaped part and the inner gear ring are achieved, combination is stable, the angle of the table top is convenient to adjust, and the angle
subdivision degree is high.