US 12,480,707 B2
Vertical beam assembly for refrigerator door and refrigerator
Peng Lyu, Shandong (CN); Hao Zhang, Shandong (CN); and Zhenxing Zhang, Shandong (CN)
Assigned to QINGDAO HAIER REFRIGERATOR CO., LTD., Shandong (CN); and HAIER SMART HOME CO., LTD., Shandong (CN)
Appl. No. 18/575,784
Filed by QINGDAO HAIER REFRIGERATOR CO., LTD., Shandong (CN); and HAIER SMART HOME CO., LTD., Shandong (CN)
PCT Filed May 27, 2022, PCT No. PCT/CN2022/095662
§ 371(c)(1), (2) Date Dec. 29, 2023,
PCT Pub. No. WO2023/273741, PCT Pub. Date Jan. 5, 2023.
Claims priority of application No. 202110738428.6 (CN), filed on Jun. 30, 2021.
Prior Publication US 2024/0369285 A1, Nov. 7, 2024
Int. Cl. F25D 23/02 (2006.01)
CPC F25D 23/028 (2013.01) [F25D 2323/024 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A vertical beam assembly for a refrigerator door, comprising:
a vertical beam body, comprises a base shell and a cover plate, the cover plate is provided over the base shell to form a foaming space for filling with foaming material;
wherein the base shell provides multiple receptacle cavities along a longitudinal direction near the side of the refrigerator door, multiple sealing covers are provided at the multiple receptacle cavities facing the cover plate side and one-to-one correspondence with the multiple receptacle cavities, sealing openings from the receptacle cavities leading to the foaming space;
a hinge assembly, comprises multiple hinges mounted within the receptacle cavities respectively, to rotatably connect the vertical beam body to the refrigerator door;
wherein the multiple hinges comprise a limiting hinge, the limiting hinge comprising:
a first pivot component, mounted within one receptacle cavity and passing through the side wall of the base shell to connect with the refrigerator door, where the lower end surface of the first pivot component forms a cam surface;
a second pivot component is configured to slidably along the longitudinal direction of the vertical beam body below the first pivot component, the second pivot component is provided with an upper end surface that matches the cam surface of the first pivot component;
a spring, one end abutting against the bottom surface of the second pivot component and the other end abutting against a contact portion provided within the receptacle cavity.