A laundry treatment agent injection device, washing machine and control method thereof

Abstract

The invention provides a laundry treatment agent dispensing device, a washing machine and a control method thereof. The clothes treatment agent dispensing device includes: a storage chamber for storing the clothing treatment agent inside; a dispensing chamber with a liquid outlet and a storage chamber The chamber is connected to the liquid inlet, the liquid inlet is provided with a liquid inlet one-way conducting part, and the liquid outlet is provided with a liquid outlet one-way conducting part; the piston mechanism is reciprocatingly arranged in the delivery chamber; the driving mechanism includes the active part and the The driven part, the active part includes a transmission part, the driven part has a guide part for cooperating with the transmission part, and the driven part is connected to the piston mechanism; the active part rotates, and the transmission part enters the driven part along with the rotation. The guide part moves along the guide part and drives the driven part to rotate. The driven part drives the piston mechanism to reciprocate in the delivery chamber. The laundry treatment agent in the storage chamber is sucked into the delivery chamber by the liquid inlet and discharged from the liquid outlet.

Description

technical field [0001] The invention relates to the technical field of washing machine detergent delivery, in particular to a laundry treatment agent delivery device, a washing machine and a control method thereof. Background technique [0002] Washing machine, as the most common household appliance used in people's daily life, with the continuous development and progress of technology, the research and development of washing machine pays more and more attention to improving the user experience on the basis of meeting people's basic laundry requirements. More and more washing machines have the function of automatically adding detergent, so that users no longer need to manually add detergent when using the washing machine, which greatly facilitates the use of users and improves the user experience. [0003] The automatic adding method of detergent in existing washing machines generally adopts the Venturi principle. The change in the diameter of the water inlet pipe produces a...

AI Technical Summary

Problems solved by technology

This automatic detergent delivery method has certain requirements for the design and assembly of the structure, and the structure is relatively complicated and the cost is high to realize.

In addition, some washing machines are fed by motor-driven gear pumps, peristaltic pumps, and piston pumps. This method requires additional motors and pumps, which is costly and cannot achieve accurate quantitative feeding.

[0004] In view of this, the present invention mainly solves the problems of inaccurate automatic detergent addition in existing washing machines and poor performance of multiple injections, and provides a more optimized principle, easier and more practical operation, and can accurately and quantitatively add a variety of different functions Dispensing device for detergent and care agent

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