The invention discloses liftable projection equipment for culture propaganda. The equipment comprises a mounting plate, first fastening bolts are arranged at four corners of the bottom of the mounting plate, the tops of the first fastening bolts penetrate through the mounting plate and extend to the outside of the mounting plate, a fixing frame is arranged at the lower end of the mounting plate through a connecting rod, a through hole is formed in the fixing frame, a fixing plate is arranged at the lower end of the fixing frame through a lifting mechanism, second fastening bolts are arranged at the four corners of the bottom of the fixing plate, an equipment box is arranged at the lower end of the fixing plate through the second fastening bolts, a box door is arranged on one side of the equipment box, the box door is movably connected with the equipment box through hinges, and the box door is provided with a projection opening. By arranging the lifting mechanism, a first limiting mechanism and a second limiting mechanism, the projection equipment has a lifting function, and the projection equipment is good in use effect and good in stability.
本发明公开了可升降的文化宣传用投影设备,包括安装板,所述安装板底部的四角处均设置有第一紧固螺栓,所述第一紧固螺栓的顶部贯穿安装板且延伸至其外部,所述安装板的下端通过连接杆设置有固定架,所述固定架上开设有通孔,所述固定架的下端通过升降机构设置有固定板,所述固定板的底部的四角处均设置有第二紧固螺栓,所述固定板的下端通过第二紧固螺栓设置有设备箱,所述设备箱的一侧开设有箱门,所述箱门与设备箱通过合页活动连接,所述箱门上开设有投影口。本发明通过设置升降机构、第一限位机构以及第二限位机构,从而使得该投影设备具有升降的功能,且该投影设备使用效果好,稳定性好。
Liftable projection equipment for culture propaganda
可升降的文化宣传用投影设备
04.06.2021
Patent
Elektronische Ressource
Chinesisch
IPC: | F16M Rahmen, Gehäuse oder Grundplatten von Kraftmaschinen oder anderen Maschinen oder von Apparaten, nicht auf eine besondere Art von Maschine oder Apparat eingeschränkt, die anderweitig vorgesehen ist , FRAMES, CASINGS, OR BEDS, OF ENGINES OR OTHER MACHINES OR APPARATUS, NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUS PROVIDED FOR ELSEWHERE / G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM , Geräte oder Anordnungen zum Aufnehmen, Projizieren oder Betrachten von Fotografien / B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |
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