Title:
AIR EXTRACTING APPARATUS, BOTTLE PLUG AND DEVICE FOR ARTICLE PRESERVATION IN BOTTLED CONTAINER
Document Type and Number:
WIPO Patent Application WO/2020/215761
Kind Code:
A1
Abstract:
Air extracting apparatus, bottle plug and device for article preservation in a bottled container. The air extracting apparatus comprises a housing (11), and an electric air pump (12) and an electric control module (13) which are provided in the housing. The electric control module (13) is electrically connected to the electric air pump (12), so as to control the on and off of the electric air pump (12); a second air extracting port (111) communicated with a first air extracting port of the electric air pump (12) is formed in the housing (11); and a second exhaust port (112) communicated with a first exhaust port of the electric air pump (12) is further formed in the housing (11). The air extracting apparatus, the bottle plug, and the device have the advantages of being capable of preventing a circuit from being corroded by water vapor, high in air tightness, and reliable and convenient to use.
Inventors:
HU JUN (CN)
XU TIANYU (CN)
GE SHAOLONG (CN)
LI CHUNSHENG (CN)
XU TIANYU (CN)
GE SHAOLONG (CN)
LI CHUNSHENG (CN)
Application Number:
PCT/CN2019/126380
Publication Date:
October 29, 2020
Filing Date:
December 18, 2019
Export Citation:
Assignee:
SHENZHEN HEYI PREC PUMP TECH CO LTD (CN)
International Classes:
B65D39/00; F04B17/04
Domestic Patent References:
| WO2018130717A1 | 2018-07-19 |
Foreign References:
| CN101644245A | 2010-02-10 | |||
| CN204310202U | 2015-05-06 | |||
| CN2868902Y | 2007-02-14 | |||
| US20110220606A1 | 2011-09-15 |
Attorney, Agent or Firm:
YOGO PATENT & TRADE MARK AGENCY LIMITED COMPANY (CN)
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