Environment-friendly energy-saving smoke hood

The utility model relates to an environment-friendly energy-saving smoke hood which comprises an outer shell, a frame body is arranged at the top of the outer shell, a smoke exhaust pipe is arranged at the top of the frame body, an adjusting mechanism is arranged in the outer shell, and the adjusting mechanism comprises an adjusting rod, a movable block, a fixed rod, a sliding sleeve, an adjusting plate, a sliding opening and a hinge seat. An adjusting rod is movably installed in the shell, the outer surface of the adjusting rod is in threaded connection with at least six moving blocks, a fixed rod is fixedly installed in the shell, a sliding sleeve is slidably installed on the outer surface of the fixed rod, and an adjusting plate is hinged to the bottom of each moving block. A sliding opening is formed in each adjusting plate, and no less than six hinge seats are fixedly installed on the rear inner wall of the shell. According to the environment-friendly and energy-saving smoke hood, by arranging the adjust