Connecting mechanism of multi-section sofa

The utility model discloses a connecting mechanism of a multi-section sofa, which comprises a couch, an air cylinder box is fixedly connected inside the couch, a fixing plate is fixedly connected to the bottom of the inner wall of the air cylinder box, and an air cylinder is fixedly connected to the right side of the fixing plate. According to the sofa, the long sofa, the air cylinder box, the fixed plate, the air cylinder, the transmission plate, the first fixed rod, the first transmission rod, the first transmission block, the first fixed block, the second transmission rod, the transmissionbox, the teeth, the gear, the first transmission column, the second transmission block, the third transmission block, the movable plate, the second transmission column, the clamping column and the short sofa are matched for use; the problems that an existing sofa is not provided with a connecting mechanism, so that when a plurality of sofas are used by a user, gaps are generated due to movement and separation, articles of