US 12,313,086 B1
Mounting and demounting structure and fan
Xianglu Dai, Guangdong (CN); Jie Feng, Guangdong (CN); and Aimin He, Guangdong (CN)
Assigned to Shenzhen Hesung Innovation Technology Co., LTD, Shenzhen (CN)
Filed by Shenzhen Hesung Innovation Technology Co., LTD, Guangdong (CN)
Filed on Jul. 24, 2024, as Appl. No. 18/783,389.
Claims priority of application No. 202410055671.1 (CN), filed on Jan. 15, 2024.
Int. Cl. F04D 29/64 (2006.01); F04D 19/00 (2006.01)
CPC F04D 29/646 (2013.01) [F04D 19/002 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A mounting and demounting structure, comprising a blade hub and a plurality of fan blades, wherein a plurality of mounting seats are disposed on the blade hub along a circumferential direction of the blade hub, and the plurality of mounting seats are connected to the plurality of fan blades respectively;
wherein an insertion assembly is disposed on each of the plurality of fan blades, and each of the plurality of mounting seats is provided with an insertion cavity, wherein the insertion assembly is provided with a resilient limiting member, each of the plurality of mounting seats is provided with a first limiting hole communicating with the insertion cavity, the insertion assembly is inserted into the insertion cavity, and the resilient limiting member has a state where the insertion assembly engages with the first limiting hole and a state where the insertion assembly disengages from the first limiting hole; and
wherein each of the plurality of mounting seats is rotatably connected to a locking leaf, wherein the locking leaf has a locked state where the locking leaf engages with a corresponding mounting seat and an unlocked state where the locking leaf disengages from a corresponding mounting seat, a locking tab protrudes from one side of the locking leaf facing the each of the plurality of mounting seats, the each of the plurality of mounting seats is provided with a fixing hole, each of the plurality of fan blades is provided with a anti-detachment hole, and when the locking leaf is in the locked state, the locking tab passes through the fixing hole and engages with the anti-detachment hole.