Fixed unit of test tube and spiral test -tube rack

The utility model provides a fixed unit of test tube and spiral test -tube rack. The unit is fixed to the test tube, and including stand and relative spiral hypoplastron and the spiral shell screwingin board that sets up, spiral hypoplastron and spiral shell screwing in board all include a plurality of backup pads, and the one end of every backup pad is all connected in the stand, and the other end moves towards the direction of keeping away from the stand and extends, all sets up a plurality of through -holes that are used for the test tube to pass in every backup pad of spiral shell screwing in board. The base and the fixed unit of at least one above -mentioned test tube of spiral test -tube rack package rubbing board column structure, the base level sets up, and the stand is vertical to be set up in the face of base, and installs in the base. More test tubes can be fixed to the fixed unit of test tube of this spiral test -tube rack, and the height was uneven, in picturesque disorder when the test tube was