Visual silt sampler

The utility model discloses a visual silt sampler. A visual silt sampler, including the sampler, the sampler includes the PMMA pipe who is connected with the connecting seat, PMMA pipe's end connection has hollow drill bit, the internal diameter of drill bit matches with PMMA pipe's internal diameter, the connecting seat includes the columniform barrel, the upper end of barrel is provided with theend cover, the lower extreme and the PMMA pipe of barrel are connected, the end cover is equipped with the wash port, the sliding connection of center department of end cover has coaxial piston, theone end that the piston inserted the barrel inboard is provided with the dog, the dog can shield the wash port when laminating with the end cover, the other end of piston is connected with the extension bar. The sampler adopts PMMA pipe, can see through PMMA pipe direct observation to the structure of the soil sample article that wherein become silted up, can read out the thickness of each layer of silt soil sample article