Test tube rack and test tube oscillator

The utility model provides a test tube rack and a test tube oscillator. The test tube rack comprises a bottom support, an upper cover, a sealing pressing plate and a locking assembly, the bottom support is provided with a plurality of first containing grooves. The upper cover is provided with a vertically-through containing channel used for containing and fixing the upper end of the test tube, a second containing groove is formed in the upper end face of the containing channel, and a bearing cavity is formed in the end, away from the containing channel, of the second containing groove; the sealing pressing plate is arranged on the upper surface of the upper cover in a sliding mode along a path parallel to the preset direction, a plugging block is arranged on the lower surface of the sealing pressing plate, and the plugging block has a plugging state located in the containing channel and an opening state located in the bearing cavity; the locking assembly is used for locking the bottom support and the upper co