US 12,006,620 B2
Dispensing device, dispensing assembly, and washing device having the same
Shibo Fu, Wuxi (CN); Shulin Yan, Wuxi (CN); and Guangan Yu, Wuxi (CN)
Assigned to WUXI LITTLE SWAN ELECTRIC CO., LTD., Wuxi (CN)
Appl. No. 18/284,378
Filed by Wuxi Little Swan Electric Co., Ltd., Wuxi (CN)
PCT Filed Apr. 29, 2022, PCT No. PCT/CN2022/090791
§ 371(c)(1), (2) Date Sep. 27, 2023,
PCT Pub. No. WO2022/228575, PCT Pub. Date Nov. 3, 2022.
Claims priority of application No. 202110485785.6 (CN), filed on Apr. 30, 2021.
Prior Publication US 2024/0084497 A1, Mar. 14, 2024
Int. Cl. D06F 39/02 (2006.01)
CPC D06F 39/022 (2013.01) 18 Claims
OG exemplary drawing
 
1. A dispensing device for dispensing detergent comprising:
a dispensing pump including a pump housing and a pump body, the pump housing having a liquid inlet and a liquid outlet;
a drive assembly including a driver movable between a first position and a second position; and
a one-way transmission mechanism located between the drive assembly and the pump body;
wherein:
during a movement of the driver from the first position to the second position, the drive assembly drives the one-way transmission mechanism to move, and the one-way transmission mechanism drives the pump body to move, to suck the detergent through the liquid inlet and discharge the detergent through the liquid outlet; and
during a movement of the driver from the second position to the first position, the drive assembly drives the one-way transmission mechanism to move, and the one-way transmission mechanism does not drive the pump body to move.