Outer shell structure of second-hand smoke air purification device

The utility model discloses a shell structure of a second-hand smoke air purification device. The shell structure comprises a cuboid-shaped supporting framework (1), a plurality of plate clamping grooves are formed in the supporting framework (1); the front face, the rear face, the left face, the right face, the top face and the bottom face of the supporting framework (1) are detachably connected with a front side plate (11), a rear side plate (12), a left side plate (13), a right side plate (14), a top supporting plate (15) and a bottom supporting plate (16) through plate clamping grooves, and a cuboid box body structure is formed. The air purifier can be put in public places, is large in product space layout, suitable for installing a plurality of fans and filter elements, capable of effectively improving the air suction amount and the purification efficiency, convenient to replace the filter elements, convenient to disassemble, assemble and maintain, and simple in structure. 本实用新型公开了一种二手烟空气净化装置外壳结构，包括长方体型的