Geogas measuring device for mineral exploration

The invention discloses a geogas measuring device for mineral exploration, and relates to the field of geogas sampling, the geogas measuring device comprises a pipe body and a drill bit mounted at the bottom end of the pipe body, and further comprises a plurality of sampling mechanisms, and the plurality of sampling mechanisms are sequentially arranged in the pipe body along the height direction of the pipe body; the sampling mechanism comprises a rotary drum, and penetrating grooves are formed in the outer walls of the two sides of the rotary drum; the deep assembly comprises two guide cylinders arranged on the inner sides of the two penetrating grooves respectively and a displacement component used for driving the two guide cylinders to move, and pressure sensors are installed on the outer walls of the two guide cylinders; the extraction assembly is used for extracting earth gas; the adjusting assembly is used for driving the rotating drum to rotate; according to the geogas measuring device for mineral expl