US 11,746,948 B2
Adjustment device, adjustment assembly and adjustment method for splicing display screen
Zifeng Wang, Beijing (CN); Yan Ren, Beijing (CN); Lei Cao, Beijing (CN); and Junmin Sun, Beijing (CN)
Assigned to BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Filed by BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Filed on Jul. 8, 2020, as Appl. No. 16/923,316.
Claims priority of application No. 201910630520.3 (CN), filed on Jul. 12, 2019.
Prior Publication US 2021/0010631 A1, Jan. 14, 2021
Int. Cl. F16M 11/04 (2006.01); G09F 9/302 (2006.01); G01G 5/06 (2006.01); G01G 5/00 (2006.01)
CPC F16M 11/043 (2013.01) [G01G 5/006 (2013.01); G01G 5/06 (2013.01); G09F 9/3026 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An adjustment device for a splicing display screen, comprising:
a housing, the housing comprising a plurality of housing walls and an accommodating cavity surrounded by the plurality of housing walls, the plurality of housing walls comprising at least a first housing wall, a second housing wall, a third housing wall and a fourth housing wall,
a piston member comprising a piston and a piston rod, wherein the piston is slidably connected in the accommodating cavity, a through hole is provided in the fourth housing wall, and the piston rod is slidably connected in the through hole;
an elastic pressing portion in the first housing wall, the elastic pressing portion serving as a part of the first housing wall; and
a hydraulic sensor in the accommodating cavity and on an inner surface of the second housing wall facing the accommodating cavity,
wherein the accommodating cavity is filled with hydraulic fluid, an inner surface of the elastic pressing portion facing the accommodating cavity contacts the hydraulic fluid, and the piston member is configured to be driven by the hydraulic fluid to move in an extending direction of the through hole in response to a pressure applied on the elastic pressing portion.