Title:
PORTABLE WATER TREATMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/087841
Kind Code:
A1
Abstract:
The present invention relates to a portable water treatment device, comprising a water filtering portion (1) and an operation portion (2). The operation portion (2) comprises a liquid suction mechanism (3), a feedback pressurizing mechanism (4), and an operation handle (5); the liquid suction mechanism (3) is provided with a driving piston (6) and a liquid inlet one-way valve (7); the device is characterized in that the feedback pressurizing mechanism (4) is provided with a liquid discharge one-way valve (8), a control valve core (9), a driving rod (10), and a driving pin (11); one end of the control valve core (9) is a cylinder portion (19), a spiral groove (12) is formed in the cylinder portion (19), and the driving pin (11) is slidably provided in the spiral groove (12); a conical valve body portion (13) is provided at the other end of the control valve core (9); and the piston rod end of the driving piston (6) and the driving pin (11) are respectively hingedly connected to the operation handle (5).
Inventors:
LI PENG (CN)
XU YINGLI (CN)
MIAO LILEI (CN)
YU ZHEN (CN)
YANG DONGSHENG (CN)
YAO QI (CN)
XU YINGLI (CN)
MIAO LILEI (CN)
YU ZHEN (CN)
YANG DONGSHENG (CN)
YAO QI (CN)
Application Number:
PCT/CN2022/115612
Publication Date:
May 25, 2023
Filing Date:
August 29, 2022
Export Citation:
Assignee:
BEIJING WEIXING MFG PLANT CO LTD (CN)
International Classes:
C02F9/02
Foreign References:
| CN114180735A | 2022-03-15 | |||
| CN112225293A | 2021-01-15 | |||
| CN1470788A | 2004-01-28 | |||
| GB1214747A | 1970-12-02 | |||
| CN106241962A | 2016-12-21 | |||
| CN206126915U | 2017-04-26 | |||
| CN110107710A | 2019-08-09 | |||
| CN213679950U | 2021-07-13 | |||
| CN2605436Y | 2004-03-03 |
Attorney, Agent or Firm:
CREDOIP INTELLECTUAL PROPERTY AGENCY (CN)
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