Gas detector with built-in pumping function

Abstract

The utility model relates to the technical field of gas detection, in particular to a gas detector with a built-in pumping function, which comprises a detection body, a gas inlet pipe and a protective shell, a lower cylinder is arranged at the top of the detection body, an upper cylinder is arranged at the bottom of the gas inlet pipe, the upper cylinder and the lower cylinder are detachably connected, and a dustproof net is arranged at the connecting part; a containing groove is formed in the detection body and is divided into an air suction cavity located on the upper left portion, a detection cavity located on the lower left portion and a power supply cavity located on the right side through partition pieces, and an air suction pump, a detection unit and a power source are arranged in the air suction cavity, the detection cavity and the power supply cavity respectively; the front side surface of the detection body is provided with an external display plate, the upper part of the external display plate is provided with a display screen, the bottom is provided with a button unit, the periphery of the external display plate is provided with a connecting groove, and the protective shell is detachably connected in the connecting groove. According to the utility model, dustproof treatment can be carried out on the detector while air suction detection is realized, dustproof parts are convenient to replace and maintain, and the air inlet pipe can be detached when not needed, so that space occupation is avoided.