Deep static sample device is piled to grain

The utility model discloses a deep static sample device is piled to grain. This deep static sample device is piled to grain mainly by rotary joint, intervalve and sample head triplex, adopts rectangular thread to connect between each part. Wherein the intervalve comprises the multisection, the festival with save between adopt rectangular thread to be connected equally, the sample head has inner tube and outer tube two -layer, but the switch of sample inflow entrance is realized to the relative rotation, and the inner tube is as a flourishing appearance container. During the sample, go the appointed sample degree of depth with the sample device, rotatory sample device is realized the switch of sample inflow entrance making grain flow into a flourishing kind container with the mode that flows naturally, keeps the component of grain itself totally. This deep static sample device is piled to grain short slender pointed piece of metal, bamboo, etc. Sample thief representativeness is good, is applicable to very much the sample that grain is piled.