Patent ID: 11873131
Assignee: NINGBO LOCKEDIN INTELLIGENT TECHNOLOGY CO., LTD
Field: Handling (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 10:
11. The vacuum storage tank according to claim 10, wherein the pressure release cylinder (21) further comprises a cylinder part (20) located below the manipulation part (211), the cylinder part (20) and the manipulation part (211) are separated, an upper portion of the cylinder part (20) is provided with the third step (24) having a lower portion sleeved and fixed to the seal ring (216); a cylinder (214) of the manipulation part (211) penetrates the perforation (127) of the upper shell (121) and then abuts against an upper end of the cylinder part (20), and the vertical protrusion (217) is arranged; the seal ring (216) is sleeved and fixed on a lower portion of the cylinder part (20), and abuts against the second spring (23) at least between the third step (24) of the cylinder part (20) and the fourth step (25) beside the pressure release channel (120).