Rotermeter linkage device with synchronous belt
A technology of rotameter and linkage device, which is applied in flow control without auxiliary power, volume/mass flow generated by mechanical effect, respirator, etc., which can solve the problems of poor consistency of oxygen concentration and achieve good consistency and easy layout , The transmission ratio does not slip
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Embodiment 1
[0036] Synchronous belt rotameter linkage, including:
[0037] Two suspension rotameters with variable air inlets, each of the flow control knobs (2) of the flowmeter is equipped with a gear; the two gears are connected by a synchronous belt (14), so the two flow control knobs ( 2) Linkage according to the gear ratio.
Embodiment 2
[0039] Such as the synchronous belt rotameter linkage device of embodiment 1, but the flowmeter includes a needle valve (1); the needle valve (1) is provided with a flow control button (2); the flow control button (2) can control the needle valve The size of the gap between the thimble (3) and the air inlet (4); the flowmeter is provided with an air source inlet (5); the gap between the needle valve thimble (3) and the air inlet (4) is connected to the glass conical tube (6) the lower end, the upper end of the glass conical tube (6) is the gas outlet (8); the glass conical tube (6) is provided with a buoy (7).
[0040] The gas enters through the gas source inlet (5), enters the glass conical tube (6) through the gap between the needle valve thimble (3) and the air inlet (4), and is output from the gas outlet (8).
[0041] The linked flow control knob changes the size of the gap between the needle valve thimble (3) and the air inlet (4) respectively, so as to adjust the ratio o...
Embodiment 3
[0043]As in the synchronous belt rotameter linkage device of embodiment 1 or embodiment 2, but the flowmeters are oxygen flowmeter (10) and nitrous oxide flowmeter (9) respectively, and the gas entering is oxygen and nitrous oxide respectively, The gears installed on the flow control knob (2) are respectively the nitrous oxide flow control button gear (9-1) and the oxygen flow control button gear (10-1).
[0044] The gear ratios of the gears installed on the flow control knobs of the oxygen and nitrous oxide flowmeters can be easily changed according to needs, so as to realize the provision of oxygen and nitrous oxide according to preset ratios. The output ratio of oxygen and laughing gas is accurate, stable and easy to control, and the oxygen concentration has good consistency in positive and negative strokes.
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