US 12,377,979 B2
Unmanned food delivery device in cabin and application method thereof
Shun Jia, Qingdao (CN); Shang Wang, Qingdao (CN); Na Zhang, Qingdao (CN); Tianyou Hou, Qingdao (CN); Bo Yang, Qingdao (CN); Yang Liu, Qingdao (CN); Xiaoming Jie, Qingdao (CN); Hong Chen, Qingdao (CN); Xiangpeng Min, Qingdao (CN); Le Ma, Qingdao (CN); Yang Yang, Qingdao (CN); Shengshuai Su, Qingdao (CN); and Jingyan Zhang, Qingdao (CN)
Assigned to SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY, Qingdao (CN)
Filed by SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY, Qingdao (CN)
Filed on Jun. 14, 2022, as Appl. No. 17/840,313.
Claims priority of application No. 202110776127.2 (CN), filed on Jul. 8, 2021.
Prior Publication US 2023/0009423 A1, Jan. 12, 2023
Int. Cl. B64D 11/00 (2006.01)
CPC B64D 11/0007 (2013.01) 4 Claims
OG exemplary drawing
 
1. An unmanned food delivery device in a cabin, comprising:
a universal conveyor, wherein the universal conveyor is driven by universal wheels to convey lunch boxes, and the universal conveyor is used for conveying the lunch boxes in a kitchen area and a passenger area in a reciprocating manner, the universal conveyor located in the passenger area is located in a luggage rack bottom plate;
a plurality of lift devices, respectively arranged on the luggage rack bottom plate in the passenger area, wherein the luggage rack bottom plate is provided with a plurality of feeding openings corresponding to seats at intervals, lift devices are respectively located at the feeding openings, and the lift devices are connected with the universal conveyor and used for conveying lunch boxes on the universal conveyor to the seats; and
a loading and unloading mechanism, arranged in the kitchen area and connected with the universal conveyor for loading or unloading the universal conveyor;
wherein the universal conveyor comprises:
a main conveyor, used for reciprocating the lunch boxes in the kitchen area and the passenger area; and
diversion conveyors, arranged at one side of the main conveyor and connected with the lift devices,
wherein the diversion conveyors are arranged in parallel and perpendicular to the main conveyor, the main conveyor and the diversion conveyors are provided with a plurality of universal wheels; and the plurality of universal wheels are used for guiding the lunch boxes on the main conveyor to the diversion conveyors;
wherein the lift devices comprise:
lunch box storage boxes for storing the lunch boxes, wherein each of the lunch box storage boxes is provided with a plurality of lunch box inlet-and-outlet openings, and one of the lunch box inlet-and-outlet openings is arranged just opposite to the main conveyor; and
a plurality of telescopic power rods, wherein both ends of the telescopic power rods are respectively connected with the luggage rack bottom plate and the lunch box storage boxes, and are used for driving the lunch box storage boxes to lift up and down;
wherein the plurality of lunch box inlet-and-outlet openings comprise a first inlet and outlet opening, a second inlet and outlet opening and a third inlet and outlet opening, wherein the first inlet and outlet opening, the second inlet and outlet opening and the third inlet and outlet opening are respectively arranged on three side walls of the lunch box storage box, and the first inlet and outlet opening is arranged opposite to the main conveyor; and the first inlet and outlet opening, the second inlet and outlet opening and the third inlet and outlet opening are in one-to-one correspondence with three passengers in each row and configured to pop out the lunch boxes;
wherein the loading and unloading mechanism comprises:
a roller conveyor provided with a connecting end and a discharging end, wherein the connecting end is connected with the universal conveyor;
a meal case for storing new lunch boxes, wherein a pushing assembly is arranged in the meal case, and the pushing assembly is used for sending the lunch boxes in the meal case to the roller conveyor; and
a garbage can connected with the discharging end of the roller conveyor and used for collecting used lunch boxes.