Gas detector

The utility model relates to the technical field of indoor decoration, and discloses a gas detector which comprises a gas detector body, a plurality of gas inlet holes are formed in the gas detector body, a dustproof net is further arranged on the gas detector body, and the dustproof net is right opposite to the gas inlet holes. Two box bodies are fixedly connected to a shell of the gas detector body, openings are formed in the opposite side surfaces of the two box bodies, a cleaning assembly is arranged between the two box bodies, a driving assembly is arranged on one box body, and a guide assembly is arranged on the other box body. When the gas detector provided by the utility model is actually used, a worker can clean the dustproof net by utilizing the cleaning assembly, the driving assembly and the guide assembly without detaching the dustproof net from the gas detector body for cleaning, so that convenience is provided for the actual use of the gas detector body; the practicability of the gas detector bo