Vacuum pump indicator

The utility model relates to a vacuum pump indicator, one end of an upper cover in the vacuum pump body is provided with a space groove in which an indicator is installed; one end of the indicator body extends inward and is provided with a convex pole, perforations are arranged beside the convex pol...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	JI JIAJIN
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING CRYPTOGRAPHY DISPLAY DISPLAYING EDUCATION LABELS OR NAME-PLATES MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE PHYSICS SEALS SIGNS TESTING
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Beschreibung
Zusammenfassung:	The utility model relates to a vacuum pump indicator, one end of an upper cover in the vacuum pump body is provided with a space groove in which an indicator is installed; one end of the indicator body extends inward and is provided with a convex pole, perforations are arranged beside the convex pole on the body, a slide block is installed in the body and hooks one end of a spring, the other end of the spring is sheathed on the convex pole, the slide block is sheathed with a wind stopper, and the outer margin of one end of the body is provided with a wind stopper slide block coated with a color different from that of the wind stopper. The outer cover of the pump has a viewing window, the slide block or the stopper moves during vacuum pumping, and the color can indicates the vacuum pumping condition through the viewing window.