Portable handheld dust detector

The utility model discloses a portable hand-held dust detector, and specifically relates to the hand-held dust detector technical field, the portable hand-held dust detector comprises a placing box, one side of the placing box is provided with a protection mechanism, the protection mechanism compris...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YUAN HONGDAN, ZHANG JINGDONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LIGHTING MEASURING MECHANICAL ENGINEERING PHYSICS TESTING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a portable hand-held dust detector, and specifically relates to the hand-held dust detector technical field, the portable hand-held dust detector comprises a placing box, one side of the placing box is provided with a protection mechanism, the protection mechanism comprises a protection plate, the protection plate is arranged on one side of the placing box, one side of the protection plate is provided with a connecting plate, and the connecting plate is provided with a connecting rod. A containing groove is formed in one side of the connecting plate, a shaft sleeve is arranged in the containing groove, and the shaft sleeve is fixedly connected with one side of the connecting plate. The protective mechanism is arranged, a sliding block is arranged at one end of a connecting plate on one side of a protective plate and moves in a sliding groove in the bottom of a containing box, a limiting block is arranged in the sliding groove, the sliding block is limited, a shaft sleeve is arrange