Improved cross valve switch for water accumulation cup of respirator

The utility model discloses an improved cross valve switch of a water accumulation cup of a breathing machine. Collecting cup, a cup cover is inserted into the upper end of the collecting cup; a breathing pipeline is inserted in the middle of the upper end of the cup cover; through holes are formed in two sides of the cup cover; the cup cover is sleeved with the collecting cup; a marking line is arranged in the collecting cup and below the cup cover; a measuring scale is arranged on one side below the marking line and on the outer side wall of the collecting cup; the beneficial effects of theutility model are that: the utility model discloses: the beneficial effect is: The structure is simple, opening or closing of the liquid discharge switch is controlled through movement of the piston and the piston rod. Sealing performance is good, two-way control mechanism, ventilator-related pneumonia caused by contact with the outside when condensed water is poured can be effectively prevented;meanwhile, the situation t