Title:
AIR DUCT STRUCTURE USED FOR ULTRASONIC HUMIDIFIER
Document Type and Number:
WIPO Patent Application WO/2017/063257
Kind Code:
A1
Abstract:
An air duct structure used for an ultrasonic humidifier comprises a humidifier housing (1); and a containing cavity (10) is provided on the humidifier housing (1), an independent air groove (2) is provided in the containing cavity (10), an air inlet (20) is provided on the lower end of the independent air groove (2), an air outlet (21) is provided on the upper part of the independent air groove (2), an upper cover (100) covers an upper opening position of the containing cavity (10), a middle part of the upper cover (100) is provided with a connecting piece (30), a connecting through hole (300) is provided on the bottom of the connecting piece (30), and the horizontal height of the air outlet (21) of the independent air groove (2) is higher than the horizontal height of the connecting through hole (300). When a user fills a containing cavity (10) fully with water to a position of a connecting through hole (300), the height of the water level in the containing cavity (10) is lower than the height of an air outlet (21) of an independent air groove (2), and therefore, the water cannot flow back into the independent air groove (2).
Inventors:
HE GUOJIAN (CN)
Application Number:
PCT/CN2015/096276
Publication Date:
April 20, 2017
Filing Date:
December 03, 2015
Export Citation:
Assignee:
ZHONGSHAN HONGDA PLASTIC HARDWARE PRODUCTS CO LTD (CN)
International Classes:
F24F6/12
Foreign References:
| CN204202076U | 2015-03-11 | |||
| CN104390304A | 2015-03-04 | |||
| JP2013036690A | 2013-02-21 | |||
| JP2014142128A | 2014-08-07 | |||
| CN201844493U | 2011-05-25 | |||
| JP2014209046A | 2014-11-06 |
Attorney, Agent or Firm:
JIAQUAN IP LAW FIRM (CN)
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