Test tube rack for clinical laboratory of hospital

The test tube rack comprises a base, a supporting plate, test tubes, suction cups and side plates, grooves matched with the bottom ends of the test tubes are formed in the top face of the base at equal intervals, and through grooves matched with the test tubes are formed in the surface of the supporting plate at equal intervals. Mounting holes are symmetrically formed in the positions, located on the two sides of the through groove, of the top face of the supporting plate, springs are fixed in the mounting holes, connecting blocks are fixed to one ends of the springs, fixing plates are fixed to the surfaces of one sides of the connecting blocks, the fixing plates are located on the inner side of the through groove, and the fixing plates are tightly attached to the test tubes. Compared with the prior art, the novel test tube rack has the beneficial effects that through the arrangement of the fixing plate, the situation that test tubes with different thicknesses are inconvenient to place due to the fact that an