Telescopic ventilation system based on laboratory ventilation
A ventilating system, telescopic technology, applied in the field of ventilating system, can solve the problems that affect the experiment, affect the experiment operation, etc., achieve the effect of convenient movement and combination, convenient experiment operation and good safety effect
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[0047] Example: such as Figure 1-9 As shown, the present invention provides a technical solution based on a telescopic ventilation system for laboratory ventilation, including a ventilation pipe 1, a telescopic exhaust assembly 2 is installed at the bottom of the ventilation pipe 1, and the telescopic exhaust assembly 2 includes a guide port 201, a guide rail 202, sliding plate 203, vertical telescopic pipe 204, transition section 205, horizontal telescopic pipe 206, connecting pipe 207, ventilation plate 208, internal thread pipe 209, stud 210, rotating ring 211, folding curtain 212, reel 213, string 214, rubber ring 215, bottom plate 216, suction cup 217, sealing silicone rubber sheet 218, docking groove 219 and docking strip 220;
[0048] The guide port 201 is opened at the bottom of the ventilation tube 1, and guide rails 202 are installed on both sides corresponding to the guide port 201 at the bottom of the ventilation tube 1, and a sliding plate 203 is arranged between...
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