Connecting member for upright posts and transverse tubes of stair

• Main Author: TIAN DAJUN
• Format: Patent
• Language: Chinese; English
• Published: 28.12.2011
• Subjects: BUILDING; FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS; FIXED CONSTRUCTIONS

The utility model discloses a connecting member for upright posts and transverse tubes of a stair in the field of combined arrangement of fences, which is invented for solving the problems that the mounting flexibility of the upright posts and the transverse tubes of the stair is not high and the like in the prior art. The connecting member comprises two square tubes and a connecting structure, wherein the connecting structure is arranged between the two square tubes and can be used for allowing central axes of the two square tubes to rotate in the same plane and positioning the rotary angle; the connecting structure comprises a concave rotating shaft, a convex rotating shaft and a locking piece, wherein a groove is arranged in the middle of the concave rotating shaft; the convex rotating shaft is arranged in the groove; and the locking piece is used for positioning relative rotating angle of the convex rotating shaft and the concave rotating shaft. With the structure, when a stair protective railing is assem