Pneumatic valve structure of sphygmomanometer

The utility model relates to a pressure valve structure for sphygmomanometer, which comprises a frame; a spool arranged in the frame, with a coil fitted over it; a valve nozzle arranged in the spool, with one end exposed outside of the frame; a movable core arranged in the spool, with a blocking par...

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1. Verfasser: CHUNCHANG CAI
Format: Patent
Sprache:eng
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Zusammenfassung:The utility model relates to a pressure valve structure for sphygmomanometer, which comprises a frame; a spool arranged in the frame, with a coil fitted over it; a valve nozzle arranged in the spool, with one end exposed outside of the frame; a movable core arranged in the spool, with a blocking part on one end; an elastic element between the movable core and the valve nozzle; a cover that covers the other end of the frame; in that structure, the movable core can work with the elastic element to control the magnetic attraction force on the pressure valve and thereby regulate the voltage and control the air outflow rate.