US 12,245,692 B2
Lifting device and storage cabinet
Yongxue Xi, Hefei (CN)
Assigned to HEFEI MIDEA REFRIGERATOR CO., LTD., Hefei (CN); HEFEI HUALING CO., LTD., Hefei (CN); and MIDEA GROUP CO., LTD., Foshan (CN)
Appl. No. 17/925,597
Filed by HEFEI MIDEA REFRIGERATOR CO., LTD., Hefei (CN); HEFEI HUALING CO., LTD., Hefei (CN); and MIDEA GROUP CO., LTD., Foshan (CN)
PCT Filed Dec. 29, 2021, PCT No. PCT/CN2021/142522
§ 371(c)(1), (2) Date Nov. 15, 2022,
PCT Pub. No. WO2022/193779, PCT Pub. Date Sep. 22, 2022.
Claims priority of application No. 202110281727.1 (CN), filed on Mar. 16, 2021.
Prior Publication US 2023/0200564 A1, Jun. 29, 2023
Int. Cl. F25D 25/02 (2006.01); A47B 88/40 (2017.01); A47B 88/42 (2017.01); A47B 88/457 (2017.01); A47B 88/483 (2017.01); A47B 88/497 (2017.01); B66F 7/02 (2006.01); B66F 7/28 (2006.01); F25D 25/04 (2006.01); A47B 88/90 (2017.01); A47F 3/06 (2006.01); B66D 1/12 (2006.01)
CPC A47B 88/42 (2017.01) [A47B 88/457 (2017.01); A47B 88/483 (2017.01); A47B 88/497 (2017.01); B66F 7/02 (2013.01); B66F 7/28 (2013.01); F25D 25/025 (2013.01); F25D 25/04 (2013.01); A47B 2088/421 (2017.01); A47B 2088/901 (2017.01); A47B 2210/175 (2013.01); A47F 3/06 (2013.01); B66D 1/12 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A lifting device, comprising:
a support member and a lifting assembly, wherein
the lifting assembly comprises a swiveling wheel, a swiveling drive member, a mounting member and a first-stage sliding rail,
a flexible cable is provided to wrap around the swiveling wheel and moves with swivel of the swiveling wheel, and the flexible cable comprises flexible cable sections located on both sides of the swiveling wheel,
the swiveling drive member is connected to the swiveling wheel and is adapted to drive the swiveling wheel to swivel,
the mounting member is provided with a guide rail and a first fixed pulley,
the first-stage sliding rail is adapted to slide upwards and downwards relative to the guide rail, and the first-stage sliding rail is fixed to the support member,
the flexible cable is provided to wrap around the first fixed pulley, and the flexible cable sections of the flexible cable located on both sides of the swiveling wheel are connected to the first-stage sliding rail; and
the lifting assembly is provided with a guard plate, the first fixed pulley being protected by the guard plate when the lifting assembly is in a retracted state; wherein
one or more intermediate sliding rails are provided between the first-stage sliding rail and the guide rail, the first-stage sliding rail is mounted on the guide rail through the intermediate sliding rails, the intermediate sliding rails are provided with movable pulleys, and the flexible cable is provided to successively wrap around the first fixed pulley and the movable pulleys;
the intermediate sliding rails comprise: a second-stage sliding rail mounted on the guide rail and adapted to slide along the guide rail, the second-stage sliding rail is provided with a first movable pulley and a second movable pulley, and the first-stage sliding rail is mounted on the second-stage sliding rail and is adapted to move relative to the second-stage sliding rail; and
the flexible cable is provided to wrap around the first fixed pulley, the first movable pulley and the second movable pulley successively; the first movable pulley is located at a lower end of the second-stage sliding rail and the second movable pulley is located at an upper end of the second-stage sliding rail.