Patent ID: 11953017
Assignee: nan
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A hand-held fan, comprising a main housing, wherein the main housing comprises a cylindrical holding part and a semi-cylindrical mounting part; wherein a fan blade for rotation is mounted at the mounting part, wherein a motor for driving the fan blade to rotate, a battery for supplying power to the motor, and a PCB main control board for controlling the motor to be turned on/off are mounted inside the main housing; and wherein the motor and the battery are electrically connected to the PCB main control board respectively;
wherein the hand-held fan further comprises a protection cover provided at the mounting part, wherein a main body of the protection cover is semi-cylindrical cover, and the protection cover is also provided with a connecting part rotatably connected to the mounting part, wherein an outer side of the mounting part is opened and provided with an annular slot, wherein the connecting part is provided with a plurality of catch platforms clamped and connected to the annular slot, wherein two limit grooves are symmetrically provided in the annular slot, and wherein an inner side of the connecting part is provided with two limit bosses clamped and connected to the two limit grooves;
wherein an outer side of the cylindrical holding part is wrapped with a layer of heating sheet, and the heating sheet is electrically connected to the PCB main control board and the battery.