Sealing structure
US11920714B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 5, 2020 |
| Grant date | Mar 5, 2024 |
| Priority date | — |
| Expiry date | Apr 7, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L2201/10
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A sealing structure includes an inner pipe, an outer pipe, and a sealing ring, where the outer pipe is detachably sleeved on the inner pipe, a slot for inserting a pipe is formed between an inner wall of the outer pipe and an outer wall of the inner pipe, and the outer wall of the inner pipe is provided with a sealing groove for placing the sealing ring; the sealing ring includes a main body provided with a lip; the sealing groove includes a first sealing groove and a second sealing groove, the first sealing groove and the second sealing groove are stepped; the bottom of the lip fits the bottom of the first sealing groove; and the bottom of the main body fits the bottom of the second sealing groove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.