Small integrated power supply device convenient to use

The utility model relates to the technical field of power supply equipment, in particular to a small-sized integrated power supply device convenient to use, which comprises a fixed seat, a power supply input box is arranged on one baffle plate, a circular groove is arranged on the other baffle plate, a heat dissipation cylinder is arranged in the circular groove, threaded holes are symmetrically arranged in a clamping groove, and a shell is arranged above the fixed seat. According to the small integrated power supply device convenient to use, the shell is arranged, the shell is clamped and matched with the fixing base through the clamping plate and is combined and fixed under the cooperation of the fixing bolts, and the small integrated power supply device convenient to use is convenient to disassemble to clean the interior or replace and maintain elements; wherein one baffle plate is provided with a power supply input box and is conveniently combined and connected with an external electric appliance under th