Ceiling fan and mounting base of ceiling fan

A ceiling fan comprising:

• a mounting base having
• a mounting disc having
• a through hole;
• a fitting sleeve mounted in the through hole and having
• an accommodating space formed inside the fitting sleeve and forming two end openings on the fitting sleeve;
• and
• at least one hanging block located on an end of the fitting sleeve;
• the fitting sleeve hung on the mounting disc via the at least one hanging block;
• and
• at least one positioning unit mounted in the accommodating space;
• each of the at least one positioning unit having
• a bending edge;
• the positioning unit hung on the end of the fitting sleeve that has the at least one hanging block via the bending edge;
• a hanging rod mounted in the accommodating space and engaging with the at least one positioning unit;
• the at least one positioning unit adapted to be located between the hanging rod and the fitting sleeve, and capable of engaging with the hanging rod to prevent the hanging rod from moving along an axial direction of the hanging rod relative to the at least one positioning unit;
• and
• a fan body mounted on an end of the hanging rod;
• wherein
• each of the at least one positioning unit has
• at least one protrusion formed on a side surface of the positioning unit that faces the hanging rod;
• each of the at least one protrusion adapted to be mounted in an assembling hole formed on a side surface of the hanging rod.