US 12,186,770 B2
Disinfection robot
Xianghui Chang, Chengdu (CN); Yajing Cui, Chengdu (CN); Qijun Liu, Chengdu (CN); Xia Liu, Chengdu (CN); Weidong Qiu, Chengdu (CN); Yan Yan, Chengdu (CN); and Wenguang Li, Chengdu (CN)
Assigned to SOUTHWEST JIAOTONG UNIVERSITY, Chengdu (CN)
Filed by SOUTHWEST JIAOTONG UNIVERSITY, Chengdu (CN)
Filed on Jun. 27, 2024, as Appl. No. 18/757,491.
Application 18/757,491 is a continuation of application No. PCT/CN2023/103149, filed on Jun. 28, 2023.
Claims priority of application No. 202210943832.1 (CN), filed on Aug. 4, 2022.
Prior Publication US 2024/0342741 A1, Oct. 17, 2024
Int. Cl. B05B 13/04 (2006.01); A61L 2/18 (2006.01); A61L 2/26 (2006.01); B05B 15/25 (2018.01); G05D 1/689 (2024.01); G05D 105/10 (2024.01)
CPC B05B 13/0431 (2013.01) [A61L 2/18 (2013.01); A61L 2/26 (2013.01); B05B 15/25 (2018.02); A61L 2202/15 (2013.01); A61L 2202/16 (2013.01); A61L 2202/25 (2013.01); G05D 1/6895 (2024.01); G05D 2105/10 (2024.01)] 10 Claims
OG exemplary drawing
 
1. A disinfection robot, comprising:
a top plate;
a bottom plate;
a swinging mechanism; and
a spraying mechanism;
wherein the top plate is located above the bottom plate; and the swinging mechanism is located between the top plate and the bottom plate;
the swinging mechanism comprises a swinging arm, a hinge shaft, a swinging gear, a first swinging unit, a second swinging unit and a driving unit;
the swinging arm has a first end and a second end;
the swinging arm is hingedly connected to the bottom plate through the hinge shaft with a hinge position located between the first end and the second end of the swinging arm;
the swinging gear is sleevedly arranged on an outer wall of the hinge shaft, and is coaxially arranged with the hinge shaft;
the first swinging unit is arranged at a first side of the swinging gear, and the second swinging unit is arranged at a second side of the swinging gear; the first swinging unit is symmetrically arranged with the second swinging unit; each of the first swinging unit and the second swinging unit comprises a swinging shaft, an incomplete gear and a linear driver; the swinging shaft is freely rotatable, and is vertically arranged; the incomplete gear comprises a rotating portion and a plurality of tooth portions; the rotating portion is sleevedly arranged on an outer wall of the swinging shaft, and is slidable along an axial direction of the swinging shaft; the plurality of tooth portions are sequentially arranged on a circumferential outer wall of the rotating portion from top to bottom; each of the plurality of tooth portions comprises a plurality of teeth sequentially provided along a circumferential direction of the rotating portion; the plurality of tooth portions vary in a number of the plurality of teeth, and are configured to be respectively engaged with the swinging gear; the linear driver is coaxially rotatable with the swinging shaft; and an output end of the linear driver is connected to the rotating portion to drive the rotating portion to slide along the axial direction of the swinging shaft;
the driving unit is configured to simultaneously drive the swinging shaft of the first swinging unit and the swinging shaft of the second swinging unit to rotate in opposite directions, such that the incomplete gear of the first swinging unit and the incomplete gear of the second swinging unit are alternately engaged with the swinging gear; and
the spraying mechanism comprises a liquid storage tank having a liquid storage cavity, a spray nozzle and a liquid pump; the liquid storage tank is arranged on a top of the top plate; the spray nozzle is arranged at the first end of the swinging arm; an input end of the liquid pump is connected to the liquid storage cavity through a pipeline; and an output end of the liquid pump is connected to the spray nozzle through a hose.