Connecting structure of armrest and backrest of sofa

The utility model relates to the technical field of furniture, in particular to a connecting structure of armrests and a backrest of a sofa. The connecting body is of a split type structure and is composed of a first split body and a second split body, one split body is installed on the armrest, the other split body is installed on the backrest, the first split body and the second split body are groove bodies which are gradually shrunk downwards, and the first split body and the second split body are spliced into a whole in the mode that the second split body is inserted into the first split body. According to the sofa, the armrests and the backrest can be quickly mounted and dismounted according to needs, the convenience of the sofa is greatly improved, meanwhile, the mounting precision is reduced, flexible assembly can be performed according to user needs, and the living requirements of people are met. 本实用新型涉及家具技术领域，尤其是一种沙发扶手和靠背的连接结构。连接本体所述连接本体为分体式结构，由第一分体和第二分体组成，其中一个分体安装在扶手上，另一个分体安装在靠背上，第一分体和第二分体均为向下渐缩的槽体，