The invention relates to a
petroleum liquid transparent glass sampler and a sampling method thereof, belonging to the technical field of
petrochemical industry, and has the characteristics of multi-function, good versatility, accurate sampling fixed point, convenient operation,
clean environment and no
pollution, and the like. It is composed of a container part, a valve control mechanism and a tape disc; the container part includes a screw rod, a base, a container, a connecting
pipe, a
gasket, an upper cover, a valve cover, an ear
handle and a
handle. The valve control mechanism includes a cock, a valve sleeve, a
valve stem, a valve plate, a positioning nut, a push rod, a hook, a spring and a valve cap. The structure of the ruler belt reel is composed of two parts: fixed and rotating. The fixed part includes the left fixed ring, inner fixed ring,
pulley shaft,
pulley and ruler door lever; the rotating part includes the right moving ring, left rail ring, warehouse bottom ring, Spacers, nuts, left rail ring and right moving ring form a ruler belt bin, the outer circle of the bottom ring of the bin is used as the bottom plate of the ruler belt bin, the inner circle of the left rail ring is inserted into the
pulley groove as a rotating track, and the ruler door rods are distributed around the left ring.