Oral cavity opening device for oral cavity nursing

The utility model relates to the technical field of medical instruments, and discloses an oral cavity distraction device for oral cavity nursing, which comprises a fixing rod, a connecting shaft is rotatably connected to the middle of the front end of the fixing rod, a fixing plate is fixedly connected to the front end of the connecting shaft, and a second limiting plate is fixedly connected to the bottom of the front end of the fixing plate. Connecting plates are fixedly connected to the two sides of the front end of the second limiting plate correspondingly, a first limiting plate is fixedly connected to the front ends of the connecting plates, a limiting groove is formed in the bottom of the front end of the second limiting plate, the rear end of the limiting groove communicates with a sliding groove, and sliding blocks are slidably connected to the left side and the right side of the inner wall of the sliding groove correspondingly. The opposite ends of the sliding blocks are fixedly connected with electr