Sealing plug assembly
US11125332B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2019 |
| Grant date | Sep 21, 2021 |
| Priority date | — |
| Expiry date | Dec 17, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/104
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The disclosure provides a sealing plug assembly including a plug body, a guide ring, a first sealing ring and an elastic component. The plug body has an annular outer surface having a plug side and an exposed side opposite each other and a first annular recess located at the annular outer surface and located between the plug side and the exposed side. The guide ring is sleeved on the plug body and located in the first annular recess. The guide ring has a first inclined surface. The first sealing ring is sleeved on the plug body and located in the first annular recess. The first sealing ring is located farther away from the exposed side of the annular outer surface than the guide ring. The first sealing ring has a second inclined surface matching the first inclined surface. The elastic component is sleeved on the first sealing ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.