Socket and spigot type assembled partition wall keel

The utility model discloses a socket type assembled partition wall keel which comprises a vertical keel and a transverse keel, the vertical keel comprises a first keel and a second keel, the surfaces of the first keel and the second keel are respectively provided with a first bayonet, the side face of the transverse keel is provided with a second bayonet, a center-penetrating keel is arranged between the vertical keel and the transverse keel, and the side face of the center-penetrating keel is provided with a third bayonet. According to the light steel keel, the structure of the light steel keel is optimized, manual punching is not needed, the rectangular block and the threaded rod penetrate through the rectangular block and the threaded rod, the rectangular block and the threaded rod are screwed and fixed through the fastening cap, tools such as a self-tapping screw and an electric hand drill do not need to be arranged, and splicing and assembling can be directly conducted; the combined keel is simple in str