Title:
ENVIRONMENT-FRIENDLY SPRAY PUMP
Document Type and Number:
WIPO Patent Application WO/2020/114198
Kind Code:
A1
Abstract:
An environment-friendly spray pump, disposed on the upper part of a spray bottle (6), spraying a liquid in the spray bottle (6) in cooperation with a nozzle (5), and comprising a check valve (4), an air bag (2), a pressure rod (1), and a support disc (3). The check valve (4) comprises an upper check valve (41) and a lower check valve (42); the upper end of the pressure rod (1) is connected to the nozzle (5); a channel (12) is provided at the center of the pressure rod (1); the channel (12) is in communication with the channel in the nozzle (5); the lower end of the pressure rod (1) is inserted into a deep well-like structure on the air bag (2); a gap is retained between the lower end of the pressure rod (1) and the upper check valve (41); the support disc (3) is an integrally formed stepped tube; the stepped tube is divided into an upper support tube (31) and a lower solution tube (32); a cover (321) is provided at the bottom of the lower solution tube (32). The environment-friendly spray pump is energy-saving and environment-friendly, can be widely used, and has a good market prospect.
Inventors:
DI MUZHONG (CN)
Application Number:
PCT/CN2019/116908
Publication Date:
June 11, 2020
Filing Date:
November 09, 2019
Export Citation:
Assignee:
SHANGHAI SHENGCUN PACKAGING MAT CO LTD (CN)
International Classes:
B65D47/34
Foreign References:
| CN110406790A | 2019-11-05 | |||
| CN109466874A | 2019-03-15 | |||
| CN209164668U | 2019-07-26 | |||
| CN109850372A | 2019-06-07 | |||
| CN206218460U | 2017-06-06 | |||
| CN102452524A | 2012-05-16 | |||
| JP2016059910A | 2016-04-25 | |||
| KR20140132058A | 2014-11-17 |
Attorney, Agent or Firm:
SHANGHAI SUNHOLD LAW FIRM (CN)
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