Portable electric energy metering combined junction box

The utility model relates to the technical field of electric energy metering devices, in particular to a portable electric energy metering combined junction box, which is characterized in that a lead sealing seat is arranged on the top surface of a box cover corresponding to the position of a first threaded hole, and comprises a cylindrical seat body of which the lower end is fixed on the top surface of the box cover and through which a fixing screw can pass; an inner hole of the seat body comprises a first straight hole section and a second straight hole section which are sequentially communicated from top to bottom, the diameter of the first straight hole section is larger than that of the second straight hole section, the first straight hole section, the second straight hole section and the first threaded hole are coaxially arranged, and the first straight hole section and the second straight hole section jointly form a lead sealing buckling groove. The lead sealing device is reasonable and compact in stru