Wall corner anti-seepage structure

The utility model discloses a wall corner anti-leakage structure, and relates to the technical field of wall corner anti-leakage. The wall corner anti-seepage structure comprises a foundation wall, an anti-seepage structure is arranged at the corner of the foundation wall, the anti-seepage structure comprises a check block, the angle of the outer end of the check block is the same as that of the corner of the foundation wall, a sliding block is fixedly connected to the top end of the check block, a sliding groove is formed in the inner side wall of the foundation wall, and the sliding groove is communicated with the check block. An inserting block is fixedly connected to the top end of the sliding block, a triangular block is hinged to the inner wall of the inserting block, a torsional spring is arranged at the hinged position of the triangular block and the inserting block, and the triangular block is elastically connected to the inner wall of the inserting block through the torsional spring. According to th