PCB shielding device

The utility model discloses a PCB shielding device, which comprises a PCB, a shielding frame and a shielding cover, the shielding frame is welded with the PCB, and the shielding cover is detachably covered on the shielding frame; the PCB is provided with an electronic component, the shielding frame is located around the electronic component, the edge of the shielding frame is provided with a plurality of outer welding feet, and the edge of the shielding cover is provided with a plurality of elastic buckling positions corresponding to the outer welding feet; a plurality of inner welding feet are arranged on the inner wall, close to the electronic element, of the shielding frame in an extending mode. According to the utility model, the shielding frame is welded around the electronic component, the shielding cover covers the shielding frame so as to shield the electronic component, in addition, the inner welding legs are arranged on the inner wall of the shielding frame in an extending manner, and the stress leg