The utility model relates to a lifting bracket, which comprises a bracket body with a hollow structure.The support body is provided with a column and a first line buckle, and one end of the column is connected with the first line buckle to the bottom wall of the support body.The lifting seat is slidably connected with the support body, and the bottom of the lifting seat is provided with a second thread buckle.One end of the mounting base is connected to the lifting base through the groove on the side wall of the support body.Both ends of the tension spring are respectively connected to the support body and the lifting seat.The line group is provided with a first end, a second end, a first position and a second position between the first end and the second end. The first position is clamped and fixed to the first line buckle, the second position is clamped and fixed to the second line buckle, the line group between the first position and the second position is spirally wound on the column, the first end passes through the perforation of the bottom wall of the support body and extends out of the support body, and the second end passes through the lifting seat and the groove and extends out of the support body.一種升降支架,包括呈中空結構的支架本體。支架本體內設有立柱與**線扣,立柱一端與**線扣連接於支架本體底壁。升降座滑動連接於支架本體內,升降座底部設有第二線扣。安裝座一端穿過支架本體側壁的溝槽連接於升降座。定力彈簧兩端分別連接於支架本體與升降座。線組具有**端、第二端、位於**端與第二端之間的**位置與第二位置,**位置卡合固定於**線扣,第二位置卡合固定於第二線扣,**位置至第二位置之間的線組螺旋纏繞於立柱,**端穿過支架本體底壁的穿孔而伸出支架本體外,第二端穿過升降座與溝槽而伸出支架本體外。