Title:
ALL-PLASTIC FOAM PUMP STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2023/216716
Kind Code:
A1
Abstract:
An all-plastic foam pump structure, comprising a press head (1) made of plastic, a net joint (2), a pump body (3), a bottle locking cap (4), a main column (5), an air suction plug (6), a liquid suction plug (7), an elastic sleeve (8), and a pump bead (9), wherein the bottle locking cap (4) is connected to an upper end of the pump body (3) in an inserted manner; the pump body (3) comprises an air cavity (31) and a liquid cavity (32) which are arranged vertically; the air suction plug (6) is arranged in the air cavity (31) and is connected to the press head (1) in an inserted manner; the net joint (2) is arranged between the air suction plug (6) and the press head (1); an upper end of the main column (5) extends from the air cavity (31) and is connected to the air suction plug (6); when the press head (1) is pressed downwards, the main column (5) moves downwards along with the air suction plug (6); the liquid suction plug (7) is arranged in the liquid cavity (32) and is connected to a lower end of the main column (5); the elastic sleeve (8) is sleeved on an outer side of the main column (5); the elastic sleeve (8) is an elastic plastic annular part provided with a side opening; and the pump bead (9) is arranged at an inlet in a lower end of the liquid cavity (32). All foam pump assemblies are made of plastic, and can be recycled without disassembly and classification, thereby improving the recycling efficiency.
Inventors:
LIANG PEIHUI (CN)
ZHU MAOYONG (CN)
ZHANG YONGLEI (CN)
LIANG JINKAO (CN)
ZHU MAOYONG (CN)
ZHANG YONGLEI (CN)
LIANG JINKAO (CN)
Application Number:
PCT/CN2023/081825
Publication Date:
November 16, 2023
Filing Date:
March 16, 2023
Export Citation:
Assignee:
MAJESTY PACKAGING SYSTEMS LTD (CN)
International Classes:
A47K5/14
Foreign References:
| CN110723408A | 2020-01-24 | |||
| CN111268272A | 2020-06-12 | |||
| CN112173411A | 2021-01-05 | |||
| CN114394327A | 2022-04-26 | |||
| CN114873072A | 2022-08-09 | |||
| CN207826999U | 2018-09-07 | |||
| CN210943006U | 2020-07-07 | |||
| CN211711507U | 2020-10-20 | |||
| CN213385592U | 2021-06-08 | |||
| CN215945447U | 2022-03-04 | |||
| CN216187530U | 2022-04-05 | |||
| US20210000306A1 | 2021-01-07 | |||
| US20210291214A1 | 2021-09-23 |
Attorney, Agent or Firm:
ZHONGSHAN KECHUANG PATENT AGENT CO., LTD (CN)
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