Gas chromatograph case with improved structure

The utility model discloses a gas chromatograph case with an improved structure. The device comprises a box body, a box door, a barometer, keys, a display screen and a sample inlet, the box door is rotatably connected to one side of the box body, the barometer is arranged on one side of the box door, the keys are arranged on one side of the barometer, the display screen is arranged on the upper sides of the keys, and a placing mechanism is arranged on the other side of the box body; a heat dissipation net, a heat dissipation frame, a first handle, a guide groove, a sealing rubber pad and a buckle are arranged on the upper side of the box body. The heat dissipation net and the box body can be conveniently fixed; simple disassembly and assembly, the heat dissipation net can be better cleaned; a second fixed block, a placing plate, a supporting rod, a moving block, a through hole, a limiting groove, a second handle, a spring, a fixed block and a limiting rod are arranged on one side of the box body, so that the