Laundry treatment agent storage and dispensing device, washing machine, and laundry treatment agent dispensing control method of washing machine

A laundry treatment agent storage and dispensing device, comprising:

• a storage device and a dispensing device being integrally arranged;
• wherein
• the storage device includes a hollow storage housing internally provided with a storage cavity configured to store laundry treatment agent;
• the dispensing device is provided with a hollow cavity, and a flexible separator is hermetically arranged in the hollow cavity and divides the hollow cavity into a water inlet cavity and a liquid storage cavity;
• the liquid storage cavity has a liquid inlet end and a liquid outlet end, the liquid inlet end communicates with the storage cavity;
• and
• when inlet water of a washing machine flows into the water inlet cavity, the flexible separator is configured to be squeezed to deform towards the liquid storage cavity to enable the laundry treatment agent accommodated in the liquid storage cavity to be discharged through the liquid outlet end;
• a filling port, communicates with the storage cavity, being provided on the storage housing, and
• the dispensing device is integrally arranged on the storage housing,
• a partition plate arranged in the storage housing, and
• an interior of the storage housing is divided by the partition plate into the storage cavity and a liquid outlet flow channel which communicate with each other;
• and
• the liquid inlet end of the dispensing device communicates with the liquid outlet flow channel.