Extractor hood
A range hood and fan technology, applied in the field of range hoods, can solve the problems of oil fume escape, poor smoke blocking effect, and inability to expand the working distance of the negative pressure area of the left and right chambers of the smoke collection hood, so as to improve and reduce the range hood effect The effect of oil fume escape
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[0026] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0027] Such as Figure 1 to Figure 10 As shown, the range hood in this embodiment includes a fan 1 , a fan cover 2 and a smoke collection hood 3 , the fan 1 is arranged inside the fan cover 2 , and the smoke collection hood 3 is arranged below the fan cover 2 . The volute 11 of the blower fan 1 has a main air outlet 111 and two auxiliary air outlets 112, the main air outlet 111 is provided on the top of the volute 11, and the auxiliary air outlets 112 are respectively arranged on the left and right sides of the volute 11. An air outlet cover 6 is installed at the tuyere 112 . Movable smoke baffles 4 are installed on the left and right sides of the smoke collecting hood 3, and the movable smoke baffles 4 can extend downwards to the outside of the smoke collecting hood 3 or retract upwards to the smoke collecting hood 3 under the drive of the d...
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