Heat dissipation device convenient to plug and unplug

The utility model discloses a cooling device convenient to plug, which comprises a fan body, a positioning front window assembled at one end of the fan body and used for positioning the fan body, and a push-pull rear window assembled at the other end of the fan body, the push-pull rear window is provided with an elastic sheet and a push-pull handle, and the elastic sheet is used for abutting against an external switch main body. According to the utility model, the elastic sheet is assembled on the push-pull rear window, and the elastic sheet is made of a metal material, so that EMC/EMI interference can be prevented; moreover, after assembly, the elastic sheets abut against the external switch main body, so that the heat dissipation device can be prevented from shaking, the assembly stability is higher, and the heat dissipation device is simple in structure, ingenious in design, convenient and fast to assemble and high in practicability. The heat dissipation device is convenient for a user to insert into an ex