Drawing unfolding and fixing device for construction cost

• Main Authors: WANG YULING, CHEN JUAN, YUAN XIUZHI, YANG SONGTAO
• Format: Patent
• Language: Chinese; English
• Published: 02.10.2020
• Subjects: ACCESSORIES FOR WRITING OR DRAWING; ADVERTISING; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE; ARTICLES FOR WRITING OR DRAWING UPON; BUREAU ACCESSORIES; CABINETS; COFFEE MILLS; CRYPTOGRAPHY; DESKS; DIAGRAMS; DISPLAY; DOMESTIC ARTICLES OR APPLIANCES; DRAWERS; EDUCATION; EDUCATIONAL OR DEMONSTRATION APPLIANCES; FURNITURE; GENERAL DETAILS OF FURNITURE; GLOBES; HUMAN NECESSITIES; OFFICE FURNITURE; PERFORMING OPERATIONS; PHYSICS; PLANETARIA; SEALS; SPICE MILLS; SUCTION CLEANERS IN GENERAL; TABLES; TRANSPORTING; WRITING OR DRAWING IMPLEMENTS

The utility model discloses a drawing unfolding and fixing device for construction cost. The device comprises a fixed supporting leg, a movable supporting leg, a front fixed pipe, a rear fixed pipe, afixed connecting pipe, a front movable pipe and a rear movable pipe, the front movable pipe is slidably inserted into the front fixed pipe, the rear movable pipe is slidably inserted into the rear fixed pipe, the top of the front fixed pipe is rotatably connected with an outer magnetic white board, the interior of the outer magnetic white board is slidably connected with an inner magnetic white board, and the right end of the lower side edge of the inner magnetic white board is hinged to the top of the front movable pipe through a second hinge; a frame is horizontally arranged among the lowerportions of the four fixed supporting legs, and a telescopic sliding supporting mechanism is arranged between the rear side face of the outer magnetic white board and the frame. The multifunctional drawing board is scientific