Liftable smoke ventilator

Abstract

The invention discloses a liftable smoke ventilator, comprising a casing, a fan, a motor, an air inlet and an air outlet, wherein the fan is arranged in the casing, the air inlet and the air outlet are arranged on the casing, the motor is arranged outside the casing, a lifting device is connected with the casing, the lifting device comprises a traction mechanism and a fixed frame. In the invention, the motor is mounted outside the casing, the mechanism such as a pulley frame and the like is eliminated, the weight of the smoke ventilator is lightened, and the height of the smoke ventilator canbe adjusted manually or automatically according to the size of the smoke ventilator and the user deeds, thus being energy-saving, environment-friendly, simple in structure and safe and reliable in use.

Description

technical field [0001] The invention relates to a range hood, in particular to a range hood with a liftable smoke collecting hood. Background technique [0002] Known range hoods are all fixedly installed on the wall, and the distance between the air inlet and the cooking range is constant, which makes higher pots unusable. If the range hood is installed too high, the suction force must be very small, which will inevitably waste energy. If the installation is too low, people who are cooking are likely to hit their heads, which brings inconvenience to cooking. Not only that, because the fan is fixedly installed on the range hood, if the impeller is to be cleaned, the fan must be dismantled to remove the impeller, so cleaning the impeller is very difficult. [0003] The document of Chinese Invention Patent Application No. 200420027500.6 discloses a range hood with a liftable blower fan. The lifting device is arranged on the casing, but the lifting device of this invention in...

AI Technical Summary

Problems solved by technology

[0002] The known range hoods are all fixedly mounted on the wall, and the distance between the air inlet and the cooker is fixed, which makes it impossible to use higher pots

If the range hood is installed too high, the suction force must be very small, which will inevitably waste energy

If the installation is too low, the person who is cooking is likely to hit his head, which brings inconvenience to cooking

Not only that, because the fan is fixedly installed on the range hood, if you want to clean the impeller, you must disassemble the fan and take off the impeller, so cleaning the impeller is very difficult

[0003] The document of Chinese Invention Patent Application No. 200420027500.6 discloses a range hood with a liftable blower fan. The lifting device is arranged on the casing, but the lifting device of this invention includes a chute frame, a pulley frame and a traction mechanism. There is also a motor. It is conceivable that the quality of the range hood to be towed is very large, which will inevitably increase the requirements of the traction mechanism and waste resources. At the same time, the service life of the traction material will be correspondingly reduced. The range hood is too heavy to break the traction mechanism, and the range hood suddenly falls, which is very likely to endanger the safety of the cooker

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