Fixed device of laying of computer mainframe

The utility model discloses a fixed device of laying of computer mainframe, including the shell, support the diaphragm, a buffer spring, first air vent, the baffle, the 2nd buffer spring, which comprises an outer shell, the second blow vent, first fixed block, the second fixed block, the through -hole, second heat dissipation fan, third heat dissipation fan, the dead lever, an electric telescopichandle, the 2nd electric telescopic handle, the landing leg board, the bottom plate, elevating system, the gyro wheel, elevating system includes the swivel nut, the screw rod, the bearing frame, the driven bevel gear wheel, the initiative taper gear, the rolle, driven gear, a screw rod, the motor, the lower extreme of shell is still fixed and is equipped with the fixed column, the bearing is installed to the lower extreme of fixed column. The utility model has the advantages of simple and reasonable structure, convenient to use can protect the mainframe box well, but also can guarantee the heat dissipation of mainfram