Negative pressure suction alarm device

The utility model relates to a negative pressure suction alarm device, which comprises a placing seat, a button, a buzzer and a spring, the placing seat is provided with a groove, the button is arranged on the bottom wall of the groove, the spring is sleeved on the button, one end of the spring is f...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LONG XIGUI, LIU ZHENKAI, QIN XIAOYAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE
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Beschreibung
Zusammenfassung:	The utility model relates to a negative pressure suction alarm device, which comprises a placing seat, a button, a buzzer and a spring, the placing seat is provided with a groove, the button is arranged on the bottom wall of the groove, the spring is sleeved on the button, one end of the spring is fixedly connected with the bottom wall of the groove, and the buzzer is arranged on the outer side surface of the placing seat and is coupled with the button through an electric wire. The negative-pressure suction bottle is placed in the groove, drainage liquid in the negative-pressure suction bottle is continuously increased, so that the gravity of the negative-pressure suction bottle for compressing the spring is continuously increased, and when the drainage liquid reaches the set weight, the negative-pressure suction bottle can overcome the elasticity of the spring to press the button to enable the buzzer to sound, so that an alarm is realized, and the negative-pressure suction device is effectively prevented fro