The invention provides a movable dustproof projection device, and relates to the field of projection, the movable dustproof projection device comprises a mounting main body, and four corners in the mounting main body are provided with contraction grooves; a brake positioning rod is mounted in the contraction groove in a sliding manner; an embedded baffle disc is arranged on the circumferential outer wall of the brake positioning rod; the embedded baffle disc is of a disc-shaped structure; universal wheels are arranged at four corners of the bottom of the mounting main body; brake through holes are formed in the tops of the universal wheels; mounting parts are arranged on the left side and the right side of the mounting main body; a stress transmission part is mounted at the top of the mounting part in a sliding and inserting manner; according to the universal wheel braking and positioning device, when the projector is lifted to be used, multiple universal wheels can be braked and positioned in a linkage mode, and the convenience of braking and positioning of the universal wheels is improved. The problem that it is troublesome to manually brake and position a plurality of universal wheels in sequence is solved.
本发明提供一种可移动的防尘式投影装置,涉及投影领域,包括安装主体,所述安装主体的内部四个边角处开设有收缩槽;所述收缩槽的内部滑动安装有刹止定位杆;所述刹止定位杆的圆周外壁上设置有嵌装挡盘;所述嵌装挡盘为圆盘形结构;所述安装主体的底部四个边角处设置有万向轮;所述万向轮的顶部开设有刹止穿孔;所述安装主体的左右两侧设置有安装件;所述安装件的顶部滑插安装有受力传动件;所述受力传动件的底部设置有稳定摩擦片,本发明能够在上升投影仪对其进行使用的时候,联动对多个万向轮进行刹止定位,提高了对于万向轮刹止定位的便捷性。解决通过人工依次对多个万向轮刹止定位较为麻烦的问题。
Movable dustproof projection device
一种可移动的防尘式投影装置
2023-11-14
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 / B08B Reinigen allgemein , CLEANING IN GENERAL / B60B VEHICLE WHEELS , Räder für Fahrzeuge / F16H Getriebe , GEARING / G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM , Geräte oder Anordnungen zum Aufnehmen, Projizieren oder Betrachten von Fotografien |
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