Small animal prevention device for power distribution cabinet

The invention discloses a small animal prevention device for a power distribution cabinet, and the device comprises a one-way pipe mechanism which comprises a pipe body and a one-way swing plate group disposed at the inner side of the pipe body; the positioning mechanism comprises an elastic part arranged on the outer side of the pipe body, a push ring connected with the elastic part, and a cross rod part detachably arranged on the push ring; the end, sleeved with the pushing mechanism, of the cable is pushed towards the inner side of the pipe fitting, the end of the disassembling part can penetrate through a gap between the one-way swing plate sets to make contact with the cross rod part, pushing continues, the pushing ring and the one-way swing plate sets are separated, the one-way swing plate sets can rotate in the direction of the pushing ring, the gap of the one-way swing plate sets is enlarged, and the disassembling efficiency is improved. When the cable is pushed, the one-way swing plate group is in a