US 12,404,709 B2
Adjustable pulley structure for shower room
Shengquan Chen, Zhongshan (CN)
Assigned to Zhongshan Wellbo Sanitary Co., Ltd., Zhongshan (CN)
Filed by Zhongshan Wellbo Sanitary Co., Ltd., Zhongshan (CN)
Filed on Nov. 7, 2023, as Appl. No. 18/387,493.
Claims priority of application No. 202311217941.6 (CN), filed on Sep. 20, 2023.
Prior Publication US 2025/0092726 A1, Mar. 20, 2025
Int. Cl. E05D 15/06 (2006.01); E05D 13/00 (2006.01)
CPC E05D 13/00 (2013.01) [E05D 15/06 (2013.01); E05Y 2201/688 (2013.01); E05Y 2900/114 (2013.01)] 7 Claims
OG exemplary drawing
 
1. An adjustable pulley structure for a shower room, comprising a mounting structure and a pulley assembly, wherein: the mounting structure comprises a mounting seat, a gland, a mounting column, a worm gearing structure and an adjusting screw; an end surface of the mounting seat is integrally formed with a block with a cavity;
the block is provided with a transverse perforation, the block is provided with a vertical through hole communicated with the transverse perforation, and the vertical through hole is provided in the same direction as an axis of the pulley assembly;
the mounting column is provided in the cavity, and the worm gearing structure penetrates through the transverse perforation;
the adjusting screw is in threaded connection with the vertical through hole, and the worm gearing structure is connected with the adjusting screw;
the pulley assembly is fixed on the mounting column;
the gland is fixed on the mounting seat by screws;
wherein the worm gearing structure comprises a stud and a locking gear fixed at an end of the stud;
the stud penetrates through the transverse perforation, the locking gear is engaged with a thread of the adjusting screw;
the adjusting screw rotates and realizes movement adjustment of the mounting column in the cavity through the locking gear;
wherein the mounting structure further comprises a door leaf clamping structure;
the door leaf clamping structure is provided between the gland and the mounting seat, and the door leaf is positioned in the door leaf clamping structure;
wherein a circular cavity is provided on a side surface of the mounting seat far away from the pulley assembly;
an adjusting disc is provided in the circular cavity;
a circular recessed area is provided on a side surface of the adjusting disc, and an inner wall of the circular recessed area is evenly provided with tooth grooves; and
a transmission gear is fixed on the adjusting screw, and the transmission gear is located in the circular recessed area and is engaged with the tooth groove.