Title:
SHIELDING STRUCTURE, VALVE AND PUMP
Document Type and Number:
WIPO Patent Application WO/2023/169504
Kind Code:
A1
Abstract:
A shielding structure, a valve and a pump. The shielding structure comprises: a mounting base, which is provided with a mounting hole (122); a sliding rod (2), which is inserted into the mounting hole (122) and can slide in an axial direction and/or rotate in a circumferential direction along the mounting hole (122); and an elastic sleeve (3), which is mounted on the outside of the sliding rod (2) in a sleeved manner and is located on a side of the mounting base, wherein one end of the elastic sleeve is airtightly mounted on the sliding rod (2), and the other end of the elastic sleeve is airtightly mounted on the mounting base and is located on an outer side of the mounting hole (122). A space, which is enclosed by the elastic sleeve (3), the sliding rod (2) and the mounting base, is filled with a lubricating medium. In addition, a hard rubber sleeve is mounted at the mounting hole (122).
More Like This:
| JP4721560 | Four-way valve |
| WO/2006/072468 | STOPCOCK CLOSURE PLUG |
Inventors:
HAN JIE (CN)
LI LAIZHI (CN)
WANG YUTONG (CN)
LI LAIZHI (CN)
WANG YUTONG (CN)
Application Number:
PCT/CN2023/080435
Publication Date:
September 14, 2023
Filing Date:
March 09, 2023
Export Citation:
Assignee:
SHENYANG ANTI CORROSION ALLOY PUMP CO LTD (CN)
International Classes:
F16K41/10; F04B15/04; F04B53/08; F04B53/10; F04B53/18; F16K49/00; F16N1/00; F16N15/00; F16N15/04
Foreign References:
| CN217502771U | 2022-09-27 | |||
| CN101886719A | 2010-11-17 | |||
| US20110062672A1 | 2011-03-17 | |||
| CN110454611A | 2019-11-15 | |||
| CN111503279A | 2020-08-07 | |||
| CN206246706U | 2017-06-13 |
Attorney, Agent or Firm:
SHENYANG YATAI PATENT AND TRADEMARK AGENT CO., LTD. (CN)
Download PDF:
Previous Patent: FAILURE HINTING FOR SITE PREPARATION IN MULTI-SITE DATA REPLICATION ENVIRONMENT
Next Patent: STORAGE BOX FOR 3D PRINTER AND 3D PRINTER
Next Patent: STORAGE BOX FOR 3D PRINTER AND 3D PRINTER