Modular gas chromatograph

The utility model discloses a modular gas chromatograph. Outer shell, side plates are arranged on the two sides of the outer wall of the outer shell correspondingly. Mounting blocks are fixed to the four corners of the surface of one side of the side plate, mounting grooves are formed in the surfaces of the mounting blocks, L-shaped clamping blocks are arranged at the bottoms of the mounting blocks and connected with the mounting grooves in a clamped mode, and mounting plates are fixed to the ends of the L-shaped clamping blocks and fixed to the inner wall of the outer shell. According to theutility model, the side plates are designed; the side plates can be separated from the outer shell; therefore, the interior of the device can be overhauled and maintained conveniently; through the designed mounting blocks, the L-shaped clamping blocks can be arranged between the mounting blocks in a sleeving mode, so that the side plates are rapidly fixed to the outer shell, the situation that traditional screws are used