Rainproof oil-immersed transformer

The utility model relates to the field of oil-immersed transformers, in particular to a rainproof oil-immersed transformer which comprises a shell, a binding post is arranged on the shell, an insulator is arranged on the binding post, a sealing ring is arranged on the shell, the binding post is sleeved with the sealing ring, and the side wall of the sealing ring abuts against the side wall of the insulator. According to the utility model, the sealing effect between the binding post and the shell is enhanced. 本申请涉及油浸式变压器的领域，尤其是涉及一种防雨水油浸式变压器，其包括有壳体，所述壳体上设置有接线柱，所述接线柱上设置有绝缘子，所述壳体上设置有密封环，所述密封环套设在接线柱外，所述密封环侧壁还抵触在绝缘子侧壁上。本申请具有加强接线柱与壳体之间的密封性效果。