Patent ID: 11946556
Assignee: NANJING HANSHU ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD.
Field: Chemical engineering (Chemistry)
Classification: CPC F  B | IPC F

Claim 12:
13. The valve body according to claim 11, wherein the elastic reset member comprises a second reset spring, a sealing tympanic membrane and a supporting partition;
an edge of the sealing tympanic membrane is connected to the cavity wall of the first cavity in a sealed manner to form an enclosed cavity; outside the enclosed cavity, one side of the enclosed cavity abuts against the end face of the free end of the piston; inside the enclosed cavity, another side of the enclosed cavity abuts against one side of the supporting partition;
inside the enclosed cavity, one end of the second reset spring abuts against the cavity wall of the first cavity opposite to the supporting partition; another end of the second reset spring abuts against another side of the supporting partition.