Ventilation device for building design

• Main Authors: ZHANG KAIQI, LI YANHUI, CHU LINLIN, QIAO LIANG
• Format: Patent
• Language: Chinese; English
• Published: 16.06.2023
• Subjects: AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING; BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; RANGES; VENTILATING; WEAPONS

A ventilation device for building design comprises a pipe body and a guide pipe, one end of the guide pipe penetrates into the inner side of one end of the pipe body and is rotationally connected with the pipe body, a mounting ring is arranged in the pipe body, a fan is arranged on the inner side of the mounting ring, a motor is connected to the outer side of the pipe body, and a transmission mechanism is connected between the shaft end of the motor and the fan. Limiting sliding blocks are connected to the outer walls of the two opposite sides of the mounting ring correspondingly, sliding grooves are formed in the inner walls of the pipe bodies correspondingly, the outer side of the other end of each pipe body is sleeved with a connecting sleeve, a hand-screwing bolt rotationally penetrates through the side wall of each connecting sleeve, and the other end of each hand-screwing bolt penetrates into the corresponding sliding groove and makes contact with the corresponding limiting sliding block in an extruding