Suction type dosing device

The utility model relates to the field of dosing devices, in particular to a suction type dosing device which comprises a shell, a partition plate is fixedly installed at the lower end of the inner surface of the shell, an air inlet bin is fixedly installed on the lower surface of the partition plate, an adjusting plate is fixedly installed on the inner surface of the air inlet bin, and an adjusting pipe is fixedly installed on the outer side surface of the air inlet bin in an embedded mode. A blocking plate is movably arranged in the adjusting pipe, an adjusting bin is fixedly installed in the shell, a sliding rail is fixedly installed at the lower end of the inner surface of the adjusting bin, an arc-shaped plate is movably arranged on the inner side of the adjusting bin, a cover plate is connected to the upper end of the shell in a screwed mode, and one end of the adjusting pipe is fixedly connected with the shell. According to the utility model, the atomization of liquid medicine can be directly stopped a