Christmas tree with rotatable decorative lamp

A Christmas tree with a rotatable decorative lamp, comprising a tree body (1) and a rotatable lighting unit positioned on an upper end of the tree body (1), the rotatable lighting unit comprising a housing (3), a drive motor (4) fixedly mounted inside the housing (3), a transmission gear component (5) moveably mounted inside the housing (3) and a rotatable lamp moveably mounted on the housing (3), wherein the drive motor (4) is provided with a transmission shaft (6) connected in a transmission manner;

• an upper end of the transmission shaft (6) is fixedly connected to a lower gear (7);
• one side of the lower gear (7) is provided with the transmission gear component (5) connected in a transmission manner;
• an upper end of the lower gear (7) is sleeved with a dedicated inner sheath (8);
• a cylindrical sleeve member (9) runs through a middle part of the dedicated inner sheath (8);
• a shaft sleeve (10) with a through hole is fixedly connected inside the cylindrical sleeve member (9);
• a first magnetic connector (11) is mounted inside the through hole of the shaft sleeve (10) through a bearing;
• the cylindrical sleeve member (9) is further fixedly connected to an upper gear (12) that has the same diameter as the cylindrical sleeve member (9) and is connected to the transmission gear component (5) in a transmission manner;
• the rotatable lamp comprises a column body (13) fixed to the shaft sleeve (10) through clamping;
• a bottom surface of the column body (13) is fixedly connected to a second magnetic connector (14) and an upper end of the column body (13) is fixedly connected to a decorative lamp (15);
• and the first magnetic connector (11) and the second magnetic connector (14) are magnetic male and female connectors mated with one another.