Mouth rehabilitation tongue blocking device

The utility model discloses a tongue blocking device for mouth rehabilitation, which belongs to the technical field of medical instruments and comprises a mounting sleeve and a tongue depressor, two ends of the mounting sleeve are connected with an upper limit block and a lower limit block through connecting blocks, a mounting hole is arranged in the mounting sleeve, a support rod is mounted in the mounting hole, and the tongue depressor is connected with the upper limit block and the lower limit block. The bottom of the supporting rod is fixedly connected with a first spring, and a positioning hole is formed in the surface of the mounting sleeve. The supporting rod installed in the installation cylinder can be moved through the first spring, the opening angle of the oral cavity can be adjusted, acting force is applied to the adjusting block through the positioning spring of the positioning mechanism, the supporting rod is clamped and positioned through the positioning rod, the tongue depressor is connected w