LIQUID PUMP - HCP PACKAGING CO LTD

Title:

LIQUID PUMP

Document Type and Number:

WIPO Patent Application WO/2022/156007

Kind Code:

A1

Abstract:

A liquid pump, at least comprising a pump body (4) and a valve seat (7). The valve seat (7) is mounted at the lower end portion of the pump body (4); the pump body (4) is an integral component integrally formed of the same material; the pump body (4) comprises a housing (41) having a hollow pump cavity and an elastic valve piece (42) provided at the bottom end portion of the housing (41); the elastic valve piece (42) is provided with a valve channel; the valve seat (7) is provided below the elastic valve piece (42) in a matching manner; the valve seat (7) comprises a valve body (71) having a liquid flow channel; and the top of the valve body (71) is provided with a sealing structure that is configured to be sealedly matched with the elastic valve piece (42). The liquid pump has a small number of integral components, such that the production cost is saved, the product assembly is also more convenient, the product durability is strong. Moreover, the components of the liquid pump are basically made of recyclable plastic and can be fully recycled.

Inventors:

WU MING KEI (CN)

Application Number:

PCT/CN2021/075514

Publication Date:

July 28, 2022

Filing Date:

February 05, 2021

Export Citation:

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Assignee:

HCP PACKAGING CO LTD (CN)

International Classes:

B65D47/34; A45D34/00; B05B11/00

Foreign References:

CN112793913A	2021-05-14
CN214268736U	2021-09-24
CN111924316A	2020-11-13
CN201880641U	2011-06-29
CN202897106U	2013-04-24
CN204896183U	2015-12-23
EP0498275A1	1992-08-12
EP1052025A2	2000-11-15

Other References: