The utility model relates to a liftable
wall suction structure and a range hood. The
wall suction structure comprises a shell and a
flue assembly arranged in the shell; the
flue assembly comprises an adapter, a telescopic
pipe and a
smoke collector which are sequentially communicated from top to bottom, the top of the adapter is connected with an air inlet in the bottom of the extractor hood through a pipeline, the bottom of the
smoke collector is closed, and a plurality of transverse grooves are formed in the front side face of the
smoke collector and are distributed in the vertical direction; the rear side face of the shell is installed on a wall, the top of the shell is connected with the bottom of the extractor hood, an access hole is formed in the bottom of the shell, the shape of the access hole is consistent with the shape of the maximum cross section of the smoke collector, the access hole is used for providing a lifting channel for the smoke collector, and a sliding rail
assembly is further arranged in the shell. The sliding rail assembly comprises a sliding frame and a sliding rod installed on the sliding frame in a sliding mode, the sliding frame is installed on the rear side face of the interior of the shell, and the sliding rod is connected with the rear side face of the smoke collector and slides in the vertical direction. The smoke suction effect can be improved, and occupation of the space above the cookware is reduced.