Projection equipment

• Main Authors: ZHANG ZHIYU, LIU YUTING, LIU HAIXIA, ZENG MENGJIA, TAO QINGYUN, ZHOU JINYE
• Format: Patent
• Language: Chinese; English
• Published: 31.12.2021
• Subjects: 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

The utility model discloses projection equipment which comprises a shell, two clamping grooves are symmetrically formed in the front and back of the inner side of the shell, the shell is fixedly placed on the horizontal ground through a base, the threaded rod is arranged in the shell, the bottom end of the threaded rod is rotationally connected to the bottom of the shell through a bearing, and the threaded rod is arranged in the shell. A second bevel wheel is fixedly arranged below the shell, the top of the threaded rod is in threaded connection with a telescopic frame and a chassis, the chassis is fixedly arranged at the top of the telescopic frame, the interior of the top end of the chassis is rotationally connected with a rotating disc through a bearing, and a connecting rod of a left-right corresponding opposite threaded structure is arranged in the bottom end of the rotating disc in a penetrating mode; and the inner side of the bottom end of the connecting plate is fixedly connected with a clamping jaw.