Electric energy meter anti-theft device

The invention belongs to the technical field of electric energy meter anti-theft, and discloses an electric energy meter anti-theft device, wherein the comprises a protective inner sleeve, an anti-theft shell and a self-locking device, and is characterized in that a bulge is arranged on the protective inner sleeve and extends along the length direction of the protective inner sleeve; the interiorof the anti-theft shell is hollow, an opening is formed in one end of the anti-theft shell, a containing cavity and a mounting groove are formed in the anti-theft shell, the mounting groove extends inthe length direction of the anti-theft shell and communicates with the containing cavity, and when the protective inner sleeve is placed in the containing cavity, the protrusion is inserted into themounting groove, and the self-locking device is mounted on the anti-theft shell; and the protective inner sleeve can be locked in the placement cavity. The anti-theft device of the electric energy meter can improve the anti-the