FASTENING ASSEMBLY

Provided is a fastening assembly (1)， comprising a sliding column (11) and a sliding groove (12). The sliding column (11) comprises a fixed part (111) arranged on a surface， opposite a second mounting member (3)， of a first mounting member (2)， and an extension part (112) connected to the fixed part (111). The sliding groove (12) is formed on a surface， opposite the first mounting member (2)， of the second mounting member (3); the sliding groove (12) is provided with an avoidance space (121) used for inserting the extension part (112) into the sliding groove (12)， and a fastening space (122) used for clamping the extension part (112) in the sliding groove; and a bottom face of the fastening space (122) is provided with a locking hole (100)， and a limiting space (123) that is used for restricting the extension part (112) from sliding from the avoidance space (121) to the fastening space (122) in a second direction. A user does not require other additional mounting tools when assembling the first mounting member (2) and the second mounting member (3)， and operation is easy and convenient; and an assembled finished product is good quality and has a good connection stability， looseness is avoided， and the service life of the finished product is prolonged.