Title:
ENVIRONMENTALLY FRIENDLY SPRAY PUMP
Document Type and Number:
WIPO Patent Application WO/2021/008435
Kind Code:
A1
Abstract:
An environmentally friendly spray pump, used in cooperation with a spray bottle and a nozzle, comprising a tray (1), an air bag (2), a water inlet valve (3) and a water outlet valve (4); the tray (1) has a shape similar to a bottle cap and comprises a tray base (11) and a tray peripheral wall (12), a through hole (13) is provided at the center of the tray base (11), and a water inlet hole (14) is provided beside the through hole (13); the water inlet valve (3) is a soft rubber valve, and comprises a valve face (31) and a valve handle (32), the water inlet valve (3) is fixed to the through hole (13) at the center of the tray base (11) by means of the valve handle (32), and the water inlet hole (14) is covered by the valve face (31); the air bag (2) is a hollow cone structure; and the water outlet valve (4) has a T-shaped structure, and comprises a sealing plate (41) located at the bottom and a water outlet pipe (42) connected at the center of the sealing plate (41), the water outlet pipe (42) is hollow inside, and a several water outlet holes (421) are provided on a side wall of the water outlet pipe (42). The present invention uses flexible and rigid plastic members completely, and does no need any metal part, and therefore the product can be recycled directly after use, the recycling of the recycled materials of the component parts is simple and convenient, the recycling cost is low, the reuse efficiency of resources is high, and no pollution is caused to the nature.
Inventors:
DI MUZHONG (CN)
Application Number:
PCT/CN2020/101080
Publication Date:
January 21, 2021
Filing Date:
July 09, 2020
Export Citation:
Assignee:
SHANGHAI SHENGCUN PACKAGING MAT CO LTD (CN)
International Classes:
B05B11/00; B65D47/34
Domestic Patent References:
| WO2006111506A1 | 2006-10-26 |
Foreign References:
| CN110406790A | 2019-11-05 | |||
| CN210913356U | 2020-07-03 | |||
| CN109850372A | 2019-06-07 | |||
| CN1576177A | 2005-02-09 | |||
| DE102013017096A1 | 2014-05-08 |
Attorney, Agent or Firm:
SHANGHAI SUNHOLD LAW FIRM (CN)
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