Disassembling and assembling assembly

The invention discloses a dismounting and mounting assembly. The assembly comprises a first fixing piece and a second fixing piece; the first fixing piece comprises a base plate, an inserting column is arranged at one end of the base plate, a first connecting part is arranged at the other end of the base plate, and a first clamping part is arranged on the inserting column; and the second fixing piece comprises a bottom shell and at least one sliding block located in the bottom shell, a first inserting hole is formed in the end, facing the base plate, of the bottom shell, the inserting column is contained in the inserting hole, and a second connecting part is arranged at the end, away from the base plate, of the bottom shell, the sliding block is located on the peripheral side of the inserting column and is in sliding connection with the bottom shell, the side face, facing the inserting column, of the sliding block is provided with a second clamping part connected with the first clamping part in a clamped mode