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Title:
FRESHNESS PRESERVING VACUUM DEVICE AND REFRIGERATING AND FREEZING DEVICE HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2019/170128
Kind Code:
A1
Abstract:
A freshness preserving vacuum device comprises: a retaining frame, provided with an accommodation space configured to accommodate a drinking bottle; a slider, slidably coupled to the retaining frame, and configured to move relative to the retaining frame in response to pushing of the bottle during placement in the accommodation space, wherein the slider comprises a sealing portion, the sealing portion is configured to block an opening of the drinking bottle, the sealing portion is provided with a first channel passing through the sealing portion, an air suction column is arranged on the slider, the air suction column is provided with a second channel passing through the air suction column, and the second channel in the air suction column and the first channel in the sealing portion communicate with each other, and form an air channel capable of communicating with the drinking bottle; and a vacuum device, connected to the air suction column by a pipeline and configured to create a vacuum in the drinking bottle.

Inventors:
DING, Enwei (8 Hisense Road, Nancun Pingd, Qingdao Shandong 6, 266736, CN)
ZHAO, Xiaojun (8 Hisense Road, Nancun Pingd, Qingdao Shandong 6, 266736, CN)
CHEN, Hongxin (8 Hisense Road, Nancun Pingd, Qingdao Shandong 6, 266736, CN)
XIAO, Changliang (8 Hisense Road, Nancun Pingd, Qingdao Shandong 6, 266736, CN)
WANG, Meiyan (8 Hisense Road, Nancun Pingd, Qingdao Shandong 6, 266736, CN)
WANG, Haiyan (8 Hisense Road, Nancun Pingd, Qingdao Shandong 6, 266736, CN)
HU, Zhe (8 Hisense Road, Nancun Pingd, Qingdao Shandong 6, 266736, CN)
Application Number:
CN2019/077347
Publication Date:
September 12, 2019
Filing Date:
March 07, 2019
Export Citation:
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Assignee:
HISENSE (SHANDONG) REFRIGERATOR CO., LTD. (8 Hisense Road, Nancun Pingd, Qingdao Shandong 6, 266736, CN)
International Classes:
B65B31/08; B65D81/20; F04B37/14; F25D23/00
Foreign References:
CN108438315A2018-08-24
CN108443109A2018-08-24
CN108386337A2018-08-10
CN108444187A2018-08-24
CN108482871A2018-09-04
CN108438314A2018-08-24
CN204797156U2015-11-25
CN206828058U2018-01-02
CN103350819A2013-10-16
CN103224082A2013-07-31
CN103712407A2014-04-09
US20100132831A12010-06-03
GB1431395A1976-04-07
US20090230137A12009-09-17
Attorney, Agent or Firm:
BEIJING ZBSD PATENT & TRADEMARK AGENT LTD. (8F Building 11, No. 31 Jiaoda East Road Haidian District, Beijing 4, 100044, CN)
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