Sampler for detecting vitamin content of vegetables and fruits

The utility model discloses a sampling device for detecting the vitamin content of vegetables and fruits, which comprises an accommodating mechanism, a sealing extrusion mechanism and a liquid guide mechanism, and the accommodating mechanism comprises a storage cylinder with a built-in cavity, a titrating head arranged at the bottom end of the storage cylinder, a bearing piece arranged in the middle of the outer side of the storage cylinder, and cushion pieces arranged on the two sides of the top of the storage cylinder. A filter screen for containing fruit and vegetable pulp is arranged, the filter screen filled with experimental pulp is loaded in an inner cavity of a core cylinder, and a traction rod is controlled to vertically descend so as to control a pressing plate at the bottom end of a pressurizing piece to pressurize and extrude the pulp in the filter screen; at the moment, a second sealing ring and a first sealing ring which are mounted on a vertical rod of a pressurizing part are embedded on the in