Refrigerating and freezing device

A refrigerating and freezing device comprising:

• a storage compartment partitioned into a plurality of first spaces;
• an air channel system having a plurality of first air supply outlets, a main return air outlet and an on-off control device;
• a plurality of drawers, wherein each drawer is mounted in one of the first spaces, each drawer has an air inlet and a return air outlet, each air inlet is communicated with one of the first air supply outlets, and each return air outlet is communicated with the main return air outlet;
• the on-off control device is configured to control air flow to one or more of the plurality of first air supply outlets, and then control all or part of the air flow to flow to the corresponding drawers, thus controlling a temperature in the corresponding drawers;
• wherein a rear part of the storage compartment is provided with the plurality of first air supply outlets and the main return air outlet;
• wherein a rear part of each drawer is provided with the air inlet, and a front part of each drawer is provided with the return air outlet;
• wherein each drawer has a rear wall, a front wall, and a front plate disposed on a front side of the front wall;
• wherein the rear wall is provided with the air inlet, and the air inlet is inserted into one of the first air supply outlets;
• wherein an upper end of the front plate is connected to an upper end of the front wall to form a return air channel with an opening facing downward, and the front wall is provided with the return air outlet;
• and
• wherein the storage compartment is partitioned into at least one second space, and the at least one second space is located on a lower side of the plurality of first spaces;
• a rear part of one second space is provided with the main return air outlet.

A refrigerating and freezing device comprising:

• a storage compartment partitioned into a plurality of first spaces;
• an air channel system having a plurality of first air supply outlets, a main return air outlet and an on-off control device;
• and
• a plurality of drawers, wherein each drawer is mounted in one of the first spaces, each drawer has an air inlet and a return air outlet, each air inlet is communicated with one of the first air supply outlets, and each return air outlet is communicated with the main return air outlet;
• wherein the on-off control device is configured to control air flow to one or more of the plurality of first air supply outlets, and then control all or part of the air flow to flow to the corresponding drawers, thus controlling a temperature in the corresponding drawers;
• and
• a front end of a bottom wall of each first space is provided with a stop bar, and a bottom front end of each drawer is provided with a stop groove or stop surface matching the corresponding stop bar, so that each stop bar hinders the drawer from moving forward after the corresponding drawer is located in the corresponding first space.