Novel stair protection buckle

The utility model discloses a novel stair protection buckle which comprises an air pressure sucker and a connecting piece, the air pressure sucker is pressed on a wall surface, the connecting piece isconnected to the right side of the air pressure sucker, a stair is connected to the upper portion of the right side of the connecting piece, and the outer side of the air pressure sucker is made of rubber materials. A plurality of auxiliary supporting points are fixed to the middle of the left side of the air pressure suction cup, pressure on the right side is dispersed, stability is improved, and a breather valve is arranged in a through hole in the lower side of the air pressure suction cup and the through hole and comprises a rubber plug and a compression spring. And meanwhile, stairs of different sizes can be installed through the clamping plates, practicability is high, and popularization is convenient. 本实用新型公开了一种新型的楼梯防护扣，包括空气压力吸盘和连接件，所述空气压力吸盘压覆在在墙面上，连接件连接在空气压力吸盘的右侧，连接件的右侧上方连接楼梯，所述空气压力吸盘的外侧采用橡胶材质，空气压力吸盘的左侧中部