Hidden-type ceiling projection screen box

Abstract

The invention discloses a hidden-type ceiling projection screen box. The hidden-type ceiling projection screen box comprises a sliding plate box, wherein a screen box main body and a motor are arranged at an upper side of the sliding plate box, a fourth gear is connected with the motor and is engaged with a rotation ring, an annular sliding block is arranged on a side wall of the rotation ring andis connected with an annular sliding groove, broken teeth is arranged on an inner side wall of the rotation ring and are movably engaged with a second gear, an inner end of the second gear penetratesthrough the sliding plate box and extends to a sliding cavity, an outer side of the rotation ring is engaged and connected with a first gear, the first gear is connected with a winding shaft, and thewinding shaft is used for winding a screen. The screen box main body can be hidden on a ceiling, the opening and the closing of a sliding plate are controlled by the motor, so that the closing of a bin opening and drooping and winding of the screen are controlled; the device is ingenious in design and is convenient to use, the whole device is hidden on the ceiling and is provided with a switch mechanism, dust prevention is facilitated, the office space is not occupied, and the integral layout of an office environment cannot be damaged.

Description

technical field [0001] The invention relates to the technical field of office equipment, in particular to a hidden ceiling projection screen box. Background technique [0002] With the continuous improvement of people's living and office standards, projection screens have been used in various fields of life and work as a convenient exhibition tool. Nowadays, the use of projection screens is mainly manual rewinding, storage The curtain box of the curtain is hung on the wall. When the projection curtain is not in use, the drawstring can be manually pulled to store the curtain in the curtain box. Although it brings convenience to our life and work, the curtain needs a separate device for support, or It is hung on the wall, ceiling, etc., and exposure to the outside affects the overall layout of the room. Moreover, the openings of most of the existing projection screen boxes are always open, and there is no blocking device. The inside of the screen box The cavity is also easy t...

AI Technical Summary

Problems solved by technology

[0002] With the continuous improvement of people's living and office standards, projection screens have been used in various fields of life and work as a convenient exhibition tool. Nowadays, the use of projection screens is mainly manual rewinding, storage The curtain box of the curtain is hung on the wall. When the projection curtain is not in use, the drawstring can be manually pulled to store the curtain in the curtain box. Although it brings convenience to our life and work, the curtain needs a separate device for support, or It is hung on the wall, ceiling, etc., and exposure to the outside affects the overall layout of the room. Moreover, the openings of most of the existing projection screen boxes are always open, and there is no blocking device. The inside of the screen box The cavity is also easy to enter dust, so we propose a hidden ceiling projection screen box

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