BIM building model for building engineering design

The utility model discloses a BIM building model for constructional engineering design, which comprises a box body and a machine body, the top of the box body is provided with a box cover locked by a lock catch, the bottom surface of the box body is provided with a bottom plate, four corners of the bottom plate are fixedly provided with fixed rods arranged in a matrix, the top ends of the fixed rods are clamped and propped against the bottom surface of the box cover, and the bottom surface of the box cover is provided with a plurality of fixed rods. The machine body is arranged on the bottom plate, a fixing part used for locking the machine body is arranged on the fixing rod, an adjustable clamping assembly is fixed to the side wall of the fixing rod, and the clamping assembly is used for being clamped to the top face of the box body, so that the machine body can be protected, the machine body can be conveniently moved out of the box body for use in the use process, and the machine body can be conveniently mo