Small greenhouse ventilation device

• Main Authors: WANG ZHENXUE, CHEN LI
• Format: Patent
• Language: Chinese; English
• Published: 14.03.2023
• Subjects: AGRICULTURE; ANIMAL HUSBANDRY; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPSOR SEAWEED; FISHING; FORESTRY; HORTICULTURE; HUMAN NECESSITIES; HUNTING; TRAPPING; WATERING

The utility model discloses a small greenhouse ventilation device which comprises a wall body, a base plate is arranged on one side of the wall body, a steel frame is connected between the base plate and the wall body through bolts, a greenhouse film is fixed to the top of the steel frame, a pressing plate is arranged at the top of the steel frame, and evenly-distributed ventilation pipes are connected to the interior of the pressing plate through bearings. A protective cover is connected to the outer wall of the top of the ventilation pipe through threads, an air outlet is formed in the outer wall of the protective cover, driven belt wheels are welded to the outer wall of the ventilation pipe, and every two adjacent driven belt wheels are in transmission connection through a belt. The ventilation pipe, the protective cover and the air outlet are arranged, the ventilation pipe is rotated, so that the air outlet in the protective cover is communicated with the ventilation pipe, air in the greenhouse can be dis