Auxiliary sampling device for viscosity test of high-viscosity fluid

The utility model relates to an auxiliary sampling device for a viscosity test of high-viscosity fluid, and belongs to the field of high-viscosity fluid detection. A horn mouth is machined in the top of the cylinder body, an external thread area and a sealing area are machined at the lower end of the cylinder body, a hexagonal groove is machined in the lower end of a bottom cover, an internal thread area is machined in the bottom cover, and a first annular groove and a second annular groove are machined in the internal thread area. A first O-shaped rubber sealing ring and a second O-shaped rubber sealing ring are installed in a first annular groove and a second annular groove in a bottom cover respectively, the bottom cover is arranged at the lower end of a cylindrical body in a sleeved mode, an external thread area on the cylindrical body and an internal thread area on the bottom cover are connected together through threads, and a horn opening is machined in the cylindrical body. High-viscosity liquid can be