US 12,435,731 B1
Ceiling fan blade quick assembly structure
Lung-Fa Hsieh, Taichung (TW); Yu-Chen Hsieh, Taichung (TW); Min-Yuan Hsiao, Taichung (TW); and Ying-Pin Chiang, Taichung (TW)
Assigned to HOTECK INC., Taichung (TW)
Filed by HOTECK INC., Taichung (TW)
Filed on Oct. 25, 2024, as Appl. No. 18/927,279.
Claims priority of application No. 113208030 (TW), filed on Jul. 29, 2024.
Int. Cl. F04D 29/34 (2006.01); F04D 25/08 (2006.01)
CPC F04D 29/34 (2013.01) [F04D 25/088 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A ceiling fan blade quick assembly structure, comprising:
a blade frame including a plurality of mounting portions, wherein each of the mounting portions includes a base plate, a plurality of positioning holes are formed on the base plate, and the plurality of positioning holes penetrate two sides of the base plate;
a plurality of fan blades, wherein each of the plurality of fan blades has a blade body and an assembly portion, and the assembly portion is connected to the blade body; wherein a plurality of engaging hooks are disposed on a bottom side of the assembly portion, and the plurality of engaging hooks respectively correspond to the plurality of positioning holes; wherein each of the plurality of engaging hooks has a vertical portion and a horizontal hook portion, the horizontal hook portion is connected to the vertical portion, and the horizontal hook portion extends in a direction towards the blade frame; wherein at least one insertion hole is formed on one side of at least one of the plurality of engaging hooks of each of the assembly portions, and an engaging portion is formed on one side of the at least one insertion hole; and
a plurality of tenon assemblies, wherein an elastic buckle is disposed on one side of each of the plurality of tenon assemblies; wherein the elastic buckle has an elastic arm, a protrusion, and a pulling tab, one end of the elastic arm is a fixed end, and another end of the elastic arm is a movable end; wherein the protrusion is located on the elastic arm, and the pulling tab is located on the movable end of the elastic arm, so that the protrusion is engaged with the engaging portion on the one side of the corresponding insertion hole;
wherein the assembly portions of the plurality of fan blades are respectively disposed on the base plates of the plurality of mounting portions of the blade frame, and the plurality of engaging hooks on the bottom sides of the assembly portions are engaged with the corresponding positioning holes; wherein the plurality of tenon assemblies are inserted into the corresponding one of the at least one insertion hole and the positioning holes, and the plurality of tenon assemblies abut against one side of the vertical portion of each of the engaging hooks, so that the elastic buckles of the tenon assemblies are buckled with the engaging portion on the one side of the at least one insertion hole.