This utility model relates to the field of
cold chain preservation technology and discloses a multi-layer
cold chain preservation box structure, including a box body. A placement mechanism is provided on the inner bottom wall of the box body. A filter plate is fixedly connected inside the box body. A partition mechanism is provided inside the box body, near the filter plate. The placement mechanism includes a rotating plate, which is rotatably connected to the outer front side of the box body. A locking component is slidably connected inside the rotating plate. Two conveying pipes are fixedly connected to both sides of the inner wall of the box body. A top plate is fixedly connected to the top of the box body. In this utility model, part of the
cold air released from the
ice pack enters the conveying pipes, passes through the connecting block and connecting
pipe, and is ejected from the holes, surrounding the top of the items. The remaining
cold air rises through the filter plate, filling the upper space. Items are placed in
layers within the spaces formed by the partition mechanism, and the
cold air continuously circulates, completely surrounding the items.