Connecting beam for stairs

• Main Authors: WANG LEI, ZHU BIN, PENG LUJUN, LOU KE
• Format: Patent
• Language: Chinese; English
• Published: 15.03.2024
• Subjects: BUILDING; FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS; FIXED CONSTRUCTIONS

The utility model discloses a connecting beam for stairs, which relates to the technical field of stair connecting beams and comprises a stair beam, a rotating groove is arranged on the outer wall of one side of the stair beam, a rotating shaft is rotatably connected to the inner wall of the rotating groove, a steel connecting beam is fixedly connected to the outer wall of the rotating shaft, and a sliding groove is arranged on the outer wall of one side of the steel connecting beam. A sliding block is slidably connected to the inner wall of the sliding groove, a vertical plate is fixedly connected to the outer wall of one side of the sliding block, and a movable groove is formed in the outer wall of the other side of the sliding block. The pull rod is pulled to drive the fixed rod to be separated from the fixed groove and enter the movable groove, meanwhile, the first spring is extruded, then the vertical plates are pushed to drive the sliding block to slide in the sliding groove, the distance between the ve