Extraction device support for perchlorate detection

The invention discloses an extraction device support for perchlorate detection, and relates to the field of solid phase extraction, and the technical scheme is that the extraction device support comprises an extraction box, an extraction box cover is arranged outside the extraction box, an air inlet pipe is installed outside the extraction box, and a plurality of positioning blocks are installed inside the extraction box; a bracket mechanism for supporting a test tube is arranged in the extraction box, and driving rods are symmetrically mounted outside the extraction box cover; the support mechanism comprises a placing plate, a plurality of supporting rods are installed outside the placing plate, locking blocks are symmetrically installed in the extraction box, air inlet mechanisms are arranged in the locking blocks, an air bag enables a transmission plate to start to rotate in the expansion process, and the transmission plate extrudes an extrusion rod in the rotation process; and the extrusion rod starts to