Abstract
A storage mechanism, a consumable feeding system, and a sample analyzer. The storage mechanism includes: a storage assembly which includes a storage body, the storage body being provided with a storage channel; and a loading assembly which is movably disposed on the storage body. The storage mechanism has a first state and a second state. When the storage mechanism is in the first state, the loading assembly opens an inlet of the storage channel, the loading assembly at least partially protrudes from the storage channel, and the loading assembly can convey a loaded consumable into the storage channel. When the storage mechanism is in the second state, the loading assembly closes the inlet of the storage channel.