Controllable dedusting environment-friendly unpowered air 1cap

Abstract

The invention belongs to the field of ventilation equipment, and discloses a controllable dedusting environment-friendly unpowered air cap. The cap comprises a cylindrical rotating cylinder, the lower end of the rotating cylinder is rotationally connected with an equal-diameter fixed cylinder, a control device for opening and closing the air cap is arranged on the upper side of the rotating cylinder, and a dust removal device for dust removal during ventilation is arranged in the fixed cylinder. A lifting ring and a sliding pin are arranged, so that when the interior of a plant does not need to be ventilated, a pull rod is pulled downwards through external force, the pull rod pulls the lifting ring to move downwards through a lifting rod, the lifting ring pulls the fan blades through a pull rope to drive the sliding pin to slide in an arc-shaped sliding groove, the fan blades rotate, the gap between the adjacent fan blades is closed, the purpose of stopping rotating for ventilation is achieved, and the service life of a bearing is prolonged.

Description

Technical field [0001] The invention belongs to the field of ventilation, in particular, involving a controlled type dust-free environmentally friendly electric cap. Background technique [0002] Roof-free fan is usually installed in a warehouse, patio, poultry breeding, flower house or mine channel, especially installed on both sides of the ridge of the industrial roof, and uses the natural principles of the indoor hot air flow, cold air declines, through air flow The generated power causes the air inside and outside to form the air, and the purpose of ventilation ventilation is achieved, but the inactive housing is very unwarable due to its installation and maintenance on the roof, and the wind is long-term rotation leads to damage, while bearings After the damage, it also has a ventilated function, but the wind cap cannot rotate when it rains, can cause the wind cap to leak the rain and the blade is damaged by wind, and the no power hood is easy to discharge out of the indoor ...

AI Technical Summary

Problems solved by technology

[0002] Roof unpowered fans are usually installed in warehouses, patios, poultry breeding, greenhouses or mine passages, especially on both sides of the roof ridge of industrial buildings, and use the natural principle of indoor hot air rising and cold air falling to flow through the air. The power generated convects the air inside and outside the room, so as to achieve the purpose of exhausting and ventilating. However, because the unpowered hood is installed on the roof, maintenance and maintenance are very difficult, and the long-term rotation of the hood will cause damage, while the bearing Although it still has the function of ventilation after being damaged, the hood cannot be rotated when it rains, which will cause rain leakage in the side gap of the hood and the blades will be damaged by the wind, and the unpowered hood will easily discharge indoor smoke and dust directly to the outside during ventilation, which greatly affects the outdoors environment, therefore, it is urgent to design a switch-controllable unpowered hood capable of dust removal

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