Rapid sampler for laboratory sewage treatment

The utility model belongs to the technical field of sewage treatment, in particular to a quick sampler for laboratory sewage treatment, which comprises three containers and a support column, a support device is arranged on the surfaces of the three containers, the support device comprises a support plate, the support plate is positioned on the side wall of the container, the side wall of the support plate is fixedly connected with a main fixing block, and the main fixing block is fixedly connected with the support column. Two auxiliary fixing blocks are slidably connected to the inner wall of the supporting plate, the three containers are inserted into the inner walls of the two auxiliary fixing blocks and the inner wall of the main fixing block correspondingly, two threaded rods are rotatably connected to the surface of the supporting plate, fixing devices are arranged on the surfaces of the main fixing block and the auxiliary fixing blocks correspondingly, and each fixing device comprises two containing blo