Pit sampler

The utility model relates to a sampling device for food fermenting cellar tank essentially comprising a power end, a sample section and a guiding head which are connected on a main shaft through screws, wherein the power end which is provided on the upper portion of the main shaft comprises a handle, a handle connecting bar and a sliding sleeve, wherein the sliding sleeve is connected with the handle connecting bar, and the sample section which is provided on the middle portion of the main shaft comprises a sleeve which is capable of moving up and down out of the main shaft, a rotating scraper on the sleeve, and a sample storage area between the main shaft and the sleeve, wherein the sleeve is connected with the sliding sleeve through the sleeve connecting bar, the lower end of the storage area is provided with two symmetrically distributed screwed holes wherein springs and bulb pins are provided, and the guiding head is provided on the lower portion of the main shaft which is provided with an airflow orifice which is going-through the main shaft. The utility model is capable of getting a plurality of portions of fermenting samples from the sealed cellar tank of different deepness, and also not capable of damaging the former fermenting environment, thereby guaranteeing a stable control of the fermenting quality in the cellar tank.