Building mortar leakage prevention corner steel formwork

The utility model discloses a building grout leakage prevention corner steel formwork which comprises a first steel formwork body, a first concave notch is formed in the first steel formwork body, a first through hole is formed in the right side of the first concave notch, a second steel formwork body is connected to the left side of the first steel formwork body in a clamped mode, and a fixing plate is connected to the outer side of the first steel formwork body. A second concave notch is formed in the inner side of the fixing plate, a third concave notch is formed in the outer side of the second steel formwork, and a fixing block is arranged between the second concave notch and the third concave notch. By the adoption of the building grout leakage prevention corner steel formwork, the grout leakage prevention effect in the pouring process can be effectively improved, and meanwhile the surface quality of a pouring structure can be guaranteed. 本实用新型公开了一种建筑防漏浆转角钢模板，包括第一钢模板，所述第一钢模板内部设有第一凹型缺口，所述第一凹型缺口的右侧设有第一通孔，所