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1. (WO2018040748) COFFEE MACHINE WITH HYDRAULIC LOCKING

Pub. No.:    WO/2018/040748    International Application No.:    PCT/CN2017/092435
Publication Date: Fri Mar 09 00:59:59 CET 2018 International Filing Date: Wed Jul 12 01:59:59 CEST 2017
IPC: A47J 31/18
A47J 31/44
A47J 31/46
Applicants: GUANGDONG XINBAO ELECTRICAL APPLIANCES HOLDINGS CO., LTD.
广东新宝电器股份有限公司
Inventors: GUO, JianGang
郭建刚
ZENG, YongChun
曾永春
Title: COFFEE MACHINE WITH HYDRAULIC LOCKING
Abstract:
Disclosed is a coffee machine with hydraulic locking, the coffee machine comprising a rack (10) and a brewing device mounted on the rack (10), wherein the brewing device comprises a brewing head (20) and a brewing base (30), the brewing head (20) being connected to a handle (40) used for driving the brewing head (20) to move away from or close to the brewing base (30), an end, facing the brewing base (30), of the brewing head (20) being provided with an accommodation cavity (21), the brewing head (20) being provided with a water inlet (22) in communication with the accommodation cavity (21), a sealing member (31) being provided in the brewing base (30), a gap between the sealing member (31) and the brewing base (30) forming a hydraulic cavity (32), the brewing base (30) being provided with a water inlet (33) in communication with the hydraulic cavity (32), and the sealing member (31) being capable of moving in the direction of the brewing head (20) under the hydraulic effect when water is filled into the hydraulic cavity (32) via a water inlet (33). The invention not only has a good sealing performance and extraction pressure, but can also be operated with less effort.