Fan and extractor hood

The utility model discloses a fan and an extractor hood, which comprise a volute (2), an impeller (3) arranged in a volute cavity, and a lifting mechanism used for driving the impeller bottom of the impeller (3) and the volute bottom of the volute (2) to move close to each other. According to the fa...

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Bibliographic Details
Main Authors YANG XINGXING, QIN XINGYUAN, JI JUNSHENG, FANG YUNCHAO
Format Patent
LanguageChinese
English
Published 15.11.2019
Subjects
BLASTING
DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
HEATING
LIGHTING
MECHANICAL ENGINEERING
OTHER DOMESTIC STOVES OR RANGES
RANGES
VENTILATING
WEAPONS
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Summary:The utility model discloses a fan and an extractor hood, which comprise a volute (2), an impeller (3) arranged in a volute cavity, and a lifting mechanism used for driving the impeller bottom of the impeller (3) and the volute bottom of the volute (2) to move close to each other. According to the fan, the lifting mechanism is used for driving the bottom of the volute and the bottom of the impellerto get close to each other in the fan cleaning state; the volume of the containing cavity in the bottom of the volute can be reduced in the cleaning process, at the moment, in order to reach the expected liquid level height, only a small amount of cleaning liquid needs to be injected into the containing cavity in the bottom of the volute, the water consumption of the draught fan in the cleaning process is saved, the cleaning cost of the extractor hood is reduced, and the workload of a user for preparing cleaning water is reduced. 本实用新型公开了一种风机和吸油烟机，包括蜗壳(2)以及设置于蜗壳腔中的叶轮(3)，所述风机还包括升降机构，所述升降机构用于驱动所述叶轮(3)的叶轮底部与所述蜗壳(2)的蜗壳底部
Bibliography:Application Number: CN201821201042U