Dimension measuring device applied to intelligent instrument product

The invention discloses a size measuring device applied to an intelligent instrument product, and relates to the technical field of size measurement, the size measuring device comprises a fixed shell, a driving assembly, an adjusting assembly, a length measuring assembly and a height measuring assembly, a first electromagnet and a second electromagnet are arranged in the adjusting assembly, and the length measuring assembly comprises a screw rod, a first transmission gear and a push plate; a first laser distance measuring sensor is installed on the push plate, the height measuring assembly comprises a first transmission part and a measuring part, the first transmission part comprises a first transmission rod, a second transmission gear and a third transmission gear, the measuring part comprises a first threaded pipe and a first threaded rod, and a second laser distance measuring instrument is installed on the first movable block. The length and height of the intelligent instrument can be automatically measure