End executive device of negative pressure generator

• Main Authors: MA GUOSONG, YANG XIAO
• Format: Patent
• Language: Chinese; English
• Published: 26.08.2022
• Subjects: CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; PACKING; PERFORMING OPERATIONS; PNEUMATIC TUBE CONVEYORS; SHOP CONVEYOR SYSTEMS; STORING; TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING; TRANSPORTING

The utility model discloses an end executive device of a negative pressure generator, which comprises an upper mounting part and a lower mounting part which are connected, the upper mounting part and the lower mounting part are concentric cylinders, the center of the upper mounting part is provided with a first through channel, the center of the lower mounting part is provided with a second through channel, and the first through channel is communicated with the second through channel. Airflow flows to the first channel from the second channel; a groove surrounding the second channel is formed in the end face, close to the upper mounting part, of the lower mounting part, a convex ring surrounding the first channel is arranged on the end face, close to the lower mounting part, of the upper mounting part, a cavity is formed between the groove and the convex ring, and the cavity is provided with a gap extending towards the first channel; an air inlet is formed in the outer side wall of the upper mounting part or