Ventilation exhaust fan device for railway station
The utility model provides an air exchange exhaust fan device for railway stations, which belongs to the technical field of air exchange and exhaust, and comprises a room body, an air draft mechanism and an air blowing mechanism, a first through hole is formed in the top of the room body, second thr...
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| creator | BAI QIANLONG YANG CHONGFENG WU MINGHUA |
| description | The utility model provides an air exchange exhaust fan device for railway stations, which belongs to the technical field of air exchange and exhaust, and comprises a room body, an air draft mechanism and an air blowing mechanism, a first through hole is formed in the top of the room body, second through holes are formed in the two sides of the room body, one end of a cross rod is fixed on the inner wall of a fixed box, and the other end of the cross rod is fixed on the outer wall of the fixed box. The other end of the cross rod extends out of the fixing box through the notch, the fixing sleeve is arranged at one end of the cross rod, the mounting sleeve is slidably connected to the cross rod in a sleeving mode, an exhaust pipe is arranged at the contact position of the connecting pipe and the bottom of the mounting sleeve, and the movable sleeve is connected with the mounting sleeve through the spring. The storage box is arranged on one side of the room body, one end of the mounting base is in threaded connec |
| format | Patent |
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The other end of the cross rod extends out of the fixing box through the notch, the fixing sleeve is arranged at one end of the cross rod, the mounting sleeve is slidably connected to the cross rod in a sleeving mode, an exhaust pipe is arranged at the contact position of the connecting pipe and the bottom of the mounting sleeve, and the movable sleeve is connected with the mounting sleeve through the spring. 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The other end of the cross rod extends out of the fixing box through the notch, the fixing sleeve is arranged at one end of the cross rod, the mounting sleeve is slidably connected to the cross rod in a sleeving mode, an exhaust pipe is arranged at the contact position of the connecting pipe and the bottom of the mounting sleeve, and the movable sleeve is connected with the mounting sleeve through the spring. 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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN215113039UU |
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| subjects | AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING HEATING LIGHTING MECHANICAL ENGINEERING RANGES VENTILATING WEAPONS |
| title | Ventilation exhaust fan device for railway station |
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