Width-adjustable elevator shaft door opening protective door

The utility model provides a width-adjustable elevator shaft door opening protective door which comprises a row of door units, at least two connecting pieces are arranged between every two adjacent door units, each door unit comprises two stand columns which are oppositely arranged, a cross beam is...

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Bibliographische Detailangaben
Hauptverfasser:	YIN WEIMING, YAO NANPING, DAI XIAOJIN, MO QINYU, YU XIAOPING, YAO HAIFENG, CHEN ZHONGYE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES FORMS HANDLING BUILDING MATERIALS ON THE SITE LADDERS REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS SCAFFOLDING SHUTTERING
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Beschreibung
Zusammenfassung:	The utility model provides a width-adjustable elevator shaft door opening protective door which comprises a row of door units, at least two connecting pieces are arranged between every two adjacent door units, each door unit comprises two stand columns which are oppositely arranged, a cross beam is arranged between the stand columns, at least two screw holes formed in the length direction of the cross beam are formed in the stand columns, and the connecting pieces are connected with the screw holes. Clamping grooves are formed in the upper end and the lower end of the stand column, the connecting piece comprises a connecting plate, two clamping blocks are arranged on the two sides of the side wall of the connecting plate, the clamping blocks are embedded in the clamping grooves, and the clamping blocks can only move horizontally in the length direction of the cross beam in the clamping grooves. According to the width-adjustable elevator shaft door opening protective door, the clamping blocks on the connecting