Protective device for Roots flow meter of Internet of Things

The utility model relates to the technical field of flow meters, in particular to a protection device for an internet of things Roots flow meter, which comprises a pipeline and a flow meter body arranged on the pipeline, the pipeline is connected with a fixing plate, the top of the fixing plate is provided with a sliding groove, and the inside of the sliding groove is connected with a sliding block in a sliding mode. A cover shell covering the flow meter body is fixed to the top of the sliding block, a threaded hole is formed in the fixing plate, and a bolt extending into the threaded hole is arranged at the top of the fixing plate in a penetrating mode. According to the protection device for the Internet of Things Roots flowmeter, the sliding block moves in the sliding groove, the cover shell can be driven to cover the flowmeter body, then the condensation bolt can play a role in positioning, meanwhile, an instrument can be conveniently checked through the observation window, and under the effect of the band