Title:
VACUUM FRESH-KEEPING BOX LID AND FRESH-KEEPING BOX
Document Type and Number:
WIPO Patent Application WO/2024/027619
Kind Code:
A1
Abstract:
A vacuum fresh-keeping box lid and a fresh-keeping box. The vacuum fresh-keeping box lid comprises a lid body, a fixed piston, a sliding cylinder, and a pressing handle. A recessed cavity is formed in the middle of the lid body, a first sleeve is arranged in the middle of the recessed cavity, the fixed piston is arranged in the recessed cavity and rotatably connected to the first sleeve, and the sliding cylinder is in up-down sliding fit with the fixed piston, and the pressing handle covers the upper end of the sliding cylinder. A second sleeve inserted into the first sleeve is arranged in the middle of the fixed piston. A mounting groove, a fork, an air valve, and a silicone pad having a first air hole are arranged at the lower end of the second sleeve. An annular buckle, a circular boss and a second air hole are arranged at the bottom of the sliding cylinder. The present invention has good structural stability and is safe and reliable.
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Inventors:
ZHANG XIAOHUA (CN)
Application Number:
PCT/CN2023/110122
Publication Date:
February 08, 2024
Filing Date:
July 31, 2023
Export Citation:
Assignee:
NINGBO HAISHU HUAYU IND & TRADE CO LTD (CN)
International Classes:
B65D81/20; B65D51/16
Foreign References:
| CN217970711U | 2022-12-06 | |||
| CN217970708U | 2022-12-06 | |||
| CN217970710U | 2022-12-06 | |||
| CN217970709U | 2022-12-06 | |||
| CN101570260A | 2009-11-04 | |||
| CN112682289A | 2021-04-20 | |||
| CN108910307A | 2018-11-30 | |||
| KR101445641B1 | 2014-11-03 |
Attorney, Agent or Firm:
DAN, SAMS & ASSOCIATES (CN)
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