Adjustable door pocket substrate fixing structure

The utility model discloses an adjustable door pocket substrate fixing structure. The adjustable door pocket substrate fixing structure comprises fixing pieces (1), wall-penetrating connecting rods (3), an adjusting sleeve (4) and a door pocket substrate plate (5), wherein the fixing pieces (1) are provided with mounting holes (2); two oppositely arranged fixing pieces (1) are arranged on two sides of a wall; two wall-penetrating connecting rods (3) penetrate through the wall through the mounting holes (2), and are connected through the adjusting sleeve (4) in an adjustable manner; the fixing pieces (1) and the wall-penetrating connecting rods (3) are fixed through nuts; the door pocket substrate plate (5) is connected with the front ends of the fixing pieces (1). According to the adjustable door pocket substrate fixing structure, the metal fixing pieces are high in corrosion resistance, the problems that shake and sound are generated because the a door pocket substrate is unfirm, a door closer is loosened and the like, the service life is prolonged and the installation is convenient; the maintenance load in the later period is reduced and the work efficiency is improved.