Ceiling fan blade assembly structure

A ceiling fan blade assembly structure, comprising:

• a blade holder, wherein the blade holder includes a holder body and a plurality of fan blade assembly portions connected to an outer side of the holder body;
• wherein a longitudinal axis direction that is parallel to a radial direction of the blade holder, a horizontal axis direction that is parallel to an orthogonal projection plane of the plurality of fan blade assembly portions and perpendicular to the longitudinal axis direction, and a vertical axis direction that is perpendicular to the orthogonal projection plane of the plurality of fan blade assembly portions are defined by each of the plurality of fan blade assembly portions;
• wherein each of the plurality of fan blade assembly portions includes two first side plates that are parallel to the longitudinal axis direction and extend toward a top of the fan blade assembly portion, a first radial positioning portion disposed between the two first side plates, and two first vertical positioning portions disposed on the two first side plates;
• a plurality of fan blades corresponding in quantity to the plurality of fan blade assembly portions, wherein each of the plurality of fan blades has a fan blade connection portion disposed at a first end of the fan blade and a blade that is connected to the fan blade connection portion and extends toward a second end of the fan blade, and the first end is opposite to the second end;
• wherein each of the fan blade connection portions includes two second side plates that cooperate with the two first side plates, a second radial positioning portion, and two second vertical positioning portions;
• wherein the second radial positioning portion is disposed on a bottom side of the fan blade connection portion, corresponds in position to the first radial positioning portion, and is complementary in shape to the first radial positioning portion;
• wherein the two second vertical positioning portions correspond in position to and are engageable with the two first vertical positioning portions, respectively;
• and
• a plurality of locking assemblies;
• wherein the fan blade connection portions are configured to be assembled to the plurality of fan blade assembly portions by having the bottom side of the fan blade connection portion oriented toward the plurality of fan blade assembly portions, so that the two second side plates of the fan blade connection portion are located at inner sides of the two first side plates, and the second radial positioning portion is engaged with the first radial positioning portion;
• wherein the two second vertical positioning portions are engageable with the two first vertical positioning portions respectively, so that the fan blade connection portion is unable to be displaced away from the fan blade assembly portion along the vertical axis direction;
• wherein the first radial positioning portion has at least one first locking hole, and the second radial positioning portion has at least one second locking hole that corresponds in position to the at least one first locking hole;
• wherein, after the second radial positioning portion and the first radial positioning portion are assembled, the locking assembly is configured to be locked into the at least one second locking hole and the at least one first locking hole, so as to prevent separation of the second radial positioning portion from the first radial positioning portion.