Patent ID: 11873630
Assignee: KOHLER (CHINA) INVESTMENT CO., LTD.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC E  F | IPC E  F

Claim 0:
1. A pneumatic valve control device, comprising:
an air cylinder including a first piston, an air outlet, and a locking and releasing mechanism configured to lock and release the first piston when the first piston is pushed up;
a hydraulic cylinder including a second piston, an air vent disposed on a first side of the second piston, and a liquid inlet and a liquid outlet disposed on a second side of the second piston;
a partition disposed between the hydraulic cylinder and the air cylinder;
a partition channel disposed on the partition;
a piston rod connected to the second piston and configured to pass through the partition channel; and
a tappet valve connected to the piston rod, the tappet valve configured to open and close the partition channel and configured to leave the partition channel in response to an upward movement of the piston rod so as to push up the first piston,
wherein when the locking and releasing mechanism is released, the first piston falls down, the partition channel is in a closed state, and the air outlet is in an outward air exhaust state.