Projector support convenient to adjust

The projector support convenient to adjust comprises a U-shaped frame, a fixing plate is arranged at the lower end of the U-shaped frame, a rotating shaft penetrates through the interior of the fixingplate, a cylindrical cavity is vertically formed in the lower end of the U-shaped frame, a round hol...

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Bibliographische Detailangaben
Hauptverfasser:	PAN YUNXIA, LI JINMING, YE JUNFENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM BLASTING CINEMATOGRAPHY ELECTROGRAPHY ENGINEERING ELEMENTS AND UNITS FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOLOGRAPHY LIGHTING MECHANICAL ENGINEERING PHOTOGRAPHY PHYSICS STANDS OR SUPPORTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The projector support convenient to adjust comprises a U-shaped frame, a fixing plate is arranged at the lower end of the U-shaped frame, a rotating shaft penetrates through the interior of the fixingplate, a cylindrical cavity is vertically formed in the lower end of the U-shaped frame, a round hole is formed in the upper end of the cylindrical cavity, the round hole is communicated with the cylindrical cavity, and the end of the rotating shaft is embedded into the round hole. A dull polish lantern ring is embedded outside the rotating shaft, a check block, a spring and a thread ejection block are embedded inside the cylindrical cavity, the two ends of the spring abut against the check block and the thread ejection block respectively, the lower end face of the thread ejection block is connected with a hand-twisted rotating rod, the upper end of the check block is connected with a dull polish damping block, and the dull polish damping block abuts against the dull polish lantern ring.And internal threads are a