Title:
DEVICE FOR DISPENSING LIQUID FROM INTERIOR OF CONTAINER, AND EXTRACTION TUBE THEREOF
Document Type and Number:
WIPO Patent Application WO/2021/233257
Kind Code:
A1
Abstract:
Disclosed are a device for dispensing liquid from the interior of a container (80), and an extraction tube (20) thereof. The device comprises a pressure pump (10), an extraction tube (20), and a delivery tube (90), wherein an input end of the extraction tube (20) comprises at least a first input port (23) and a second input port (24), with the position of the first input port (23) in the container (80) being suitable for being arranged to allow the extraction of all available liquid in the container (80), and the position of the second input port (24) in the container (80) being suitable for being arranged to have a higher liquid level than the first input port (23). By means of the device, an alarm being given for excess material is implemented by means of the mechanical structure of the extraction tube (20), with low implementation cost and good reliability.
Inventors:
HAN ZHIXUAN (CN)
Application Number:
PCT/CN2021/094140
Publication Date:
November 25, 2021
Filing Date:
May 17, 2021
Export Citation:
Assignee:
SHENGDOUSHI SHANGHAI SCIENCE AND TECH DEVELOPMENT CO LTD (CN)
International Classes:
A47J31/46; A47J31/44
Domestic Patent References:
| WO2000054565A2 | 2000-09-21 |
Foreign References:
| CN111449524A | 2020-07-28 | |||
| CN212281022U | 2021-01-05 | |||
| CN203182705U | 2013-09-11 | |||
| CN2418805Y | 2001-02-14 | |||
| CN203226657U | 2013-10-09 | |||
| CN103622554A | 2014-03-12 |
Attorney, Agent or Firm:
ZHONGZI LAW OFFICE (CN)
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