Patent ID: 11878843
Assignee: SHANGHAI DREAM HOUSEWARE CO., LTD.
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 1:
2. The detachable and washable cup lid according to claim 1, further comprising an exhaust valve, wherein,
a top of the inner bolt is provided with an opening, and a bottom of the inner bolt is closed by a bottom plate, and an exhaust hole is formed in the bottom plate;
a through hole communicating with the inner bolt is formed in a top of the outer cover;
a second spring is sleeved outside the exhaust valve;
the exhaust valve is inserted into the inner bolt through the through hole and protrudes from the exhaust hole;
the second spring is connected between a top end of the exhaust valve and the bottom plate;
a blocking ring is sleeved on a bottom end of the exhaust valve, and the blocking ring blocks the exhaust hole;
the exhaust valve is pressed to move downwards, then the blocking ring is driven to move downwards to be disengaged from the exhaust hole, and the exhaust hole is opened; and
after the exhaust valve is released, the exhaust valve moves upwards to reset under an action of the second spring.