Title:
AUTOMATIC OPENING AND CLOSING ASSEMBLY
Document Type and Number:
WIPO Patent Application WO/2021/155868
Kind Code:
A1
Abstract:
An automatic opening and closing assembly, comprising a base used for connection with a container opening (100). A liquid nozzle (110) is formed on the base (100), and a liquid outlet (111) able to be in communication with the inner cavity of a container is arranged in the liquid nozzle (110). A sealing ball (112) used to stop the liquid outlet (111) is movably arranged inside the liquid nozzle (110), and an elastic piece (113) used to press on the sealing ball (112) to stop the liquid outlet (111) is arranged inside the liquid nozzle (110). An upper cover (200) used to cover the opening of the liquid nozzle (110) is rotatably connected on the base (100), and an upper cover counterbalance block (210) is arranged on an inner side of the upper cover (200). When the base (100) is horizontal or upright, the upper cover (200) can be caused to automatically close the opening of the liquid nozzle (110) and/or the sealing ball (112) can be caused to automatically seal the liquid outlet (111), and when the opening of the liquid nozzle (110) is inclined downwards, the upper cover (200) can be caused to automatically open the the opening of the liquid nozzle (110) and/or the sealing ball (112) can be caused to automatically open the liquid outlet (111). During use by a user, the container can be automatically opened or closed. The invention features excellent sealing tightness, convenient use, and cleanliness.
Inventors:
LI HONGBIAO (CN)
Application Number:
PCT/CN2021/076098
Publication Date:
August 12, 2021
Filing Date:
February 08, 2021
Export Citation:
Assignee:
LI HONGBIAO (CN)
International Classes:
B65D53/00; B65D47/08; B65D47/10
Foreign References:
| CN211845627U | 2020-11-03 | |||
| CN108861037A | 2018-11-23 | |||
| CN108058907A | 2018-05-22 | |||
| FR2687130A1 | 1993-08-13 | |||
| CN109941598A | 2019-06-28 | |||
| US20030234253A1 | 2003-12-25 |
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