A rotatable electric mounting base, comprising a base main body (1) and a mounting shaft (2) arranged in the vertical direction, wherein a main body mounting hole (11) which completely penetrates up and down is formed in the central position of the base main body (1);
- a lower end of the mounting shaft (2) is inserted into the main body mounting hole (11) of the base main body (1);
- the base main body (1) is provided with a driving motor (71);
- the driving motor (71) is connected to the mounting shaft (2) and drives the same;
- an electric device (3) is mounted on the periphery of the mounting shaft (2) in a sleeving mode;
- the electric device (3) comprises an upper joint component (4) and a lower joint component (5) that is located on a lower end side of the upper joint component (4) and is matched with the upper joint component (4);
- the upper joint component (4) comprises an upper joint main body (41) mounted on the periphery of the mounting shaft (2) in a sleeving mode;
- the lower joint component (5) comprises a lower joint main body (51) that connected to a lower end of the upper joint main body (41) in a sleeving mode for rotating circumferentially at 360° and is mounted on the periphery of the mounting shaft (2) in a sleeving mode;
- the lower joint main body (51) is buckled and fastened to the base main body (1);
- the upper joint main body (41) and the lower joint main body (51) are respectively plastic insulating pieces;
- the upper joint main body (41) is provided with an upper joint connecting wire (47) and an upper electric connecting piece that is in an annular shape and is arranged horizontally;
- the upper joint connecting wire (47) is electrically connected to the upper electric connecting piece;
- the lower joint main body (51) is provided with a lower joint connecting wire (54) and a lower electric connecting piece that is in an annular shape and is arranged horizontally;
- the lower electric connecting piece is electrically connected to the lower joint connecting wire (54);
- the upper joint component (4) is provided with a conductive component at the lower end side of the upper electric connecting piece;
- the conductive component comprises a metal conductive spring (451) and a metal conductive pin (452) located on the lower end side of the metal conductive spring (451);
- the lower end of the metal conductive spring (451) is pressed against the upper end of the metal conductive pin (452);
- the upper end of the metal conductive spring (451) is pressed against and is electrically conducted with the upper electric connecting piece;
- and the lower end of the metal conductive pin (452) is in contact with the lower electric connecting piece and is electrically conducted with the lower electric connecting piece.