Multi-angle conference tablet computer based on elevation angle adjustment

The utility model provides a multi-angle conference flat plate based on elevation angle adjustment, which comprises a plate frame, the top end of the plate frame is provided with an inner groove, the inner side of the inner groove is provided with a main flat plate, the front end of the main flat plate is uniformly and fixedly connected with rotating frames, and each rotating frame is rotatably connected with a first rotating seat; the first rotating base is fixedly connected to the inner bottom end of the inner groove, an elevation angle adjusting assembly is arranged in the middle of the bottom side of the main flat plate and located on the side close to the front end of the main flat plate, and auxiliary flat plates are arranged on the left side and the right side of the bottom side of the main flat plate correspondingly. According to the utility model, when the main flat plate stands at the top end of the plate frame through the elevation angle adjusting assembly, the two auxiliary flat plates at the rear