US 12,078,013 B1
Rolling curtain
Junfeng Huang, Fujian (CN); Yuqing Chen, Fujian (CN); Hanqin Lin, Fujian (CN); Qiurong Zhang, Fujian (CN); Binfeng Yu, Fujian (CN); and Asheng Zhang, Fujian (CN)
Assigned to Xiamen dosron intelligent technology Co., Ltd, Xiamen (CN)
Filed by Xiamen dosron intelligent technology Co., Ltd, Fujian (CN)
Filed on Feb. 1, 2024, as Appl. No. 18/429,526.
Claims priority of application No. 202310145766.8 (CN), filed on Feb. 21, 2023; and application No. 202310450341.8 (CN), filed on Apr. 24, 2023.
Int. Cl. E06B 9/74 (2006.01); E06B 9/42 (2006.01); E06B 9/60 (2006.01); E06B 9/72 (2006.01); F16D 23/14 (2006.01); F16D 27/09 (2006.01)
CPC E06B 9/74 (2013.01) [E06B 9/42 (2013.01); E06B 9/60 (2013.01); E06B 9/72 (2013.01); F16D 23/14 (2013.01); F16D 27/09 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A rolling curtain, comprising:
a rolling tube, having a first end and a second end opposite to the first end;
a curtain body wound around the rolling tube;
a first power component located at the first end of the rolling tube, and the first power component having a motor and a transmission component, the transmission component connected to the rolling tube and rotating coaxially with the rolling tube; and
a second power component located at the second end, the second power component comprising at least one power module connected to the rolling tube and rotating coaxially with the rolling tube, the at least one power module comprising a module chamber, a connecting rod, and at least one spring member, with an inner end of the at least one spring member connected to the connecting rod and an outer end of the at least one spring member connected to the module chamber;
wherein the first power component also has a clutch connected to the motor and the transmission component, and the clutch enables the motor and the transmission component to switch between a linkage state and a non linkage state;
wherein the clutch has a clutch pin shaft, a clutch sleeve, a first magnetic suction piece, a second magnetic suction piece, and a mounting seat, the clutch pin shaft is rotatably inserted on the mounting seat and has a first extension part and a second extension part that extend out of the mounting seat, the first extension part is connected to the motor, the second extension part is rotatably inserted into the clutch sleeve, one end of the clutch sleeve is connected to the transmission component, a second end of the clutch sleeve is jointly defined with the mounting seat to form a containment chamber, a paddle is provided on the clutch pin shaft located in the containment chamber, at least one slot is provided on the clutch sleeve located in the containment chamber, the first magnetic suction piece is placed in the containment chamber, and the second magnetic suction piece is set in the mounting seat.