Automatic protective guard for building doors and windows

The utility model discloses an automatic protective guard for building doors and windows. Side frame, a front frame is arranged in the middle of the front side of the side frame; a protective net is mounted in each front frame; a rotating rod b is installed at the bottom of the left side of the fron...

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Bibliographic Details
Main Author WU FEIMING
Format Patent
LanguageChinese
English
Published 19.11.2019
Subjects
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Summary:The utility model discloses an automatic protective guard for building doors and windows. Side frame, a front frame is arranged in the middle of the front side of the side frame; a protective net is mounted in each front frame; a rotating rod b is installed at the bottom of the left side of the front frame, the rotating rod b is arranged in the middle in a bearing and rotationally connected with the bearing, the bearing is located on the left side of the inner bottom wall of the side frame, a rotating rod a is installed at the top of the left side of the front frame, the rotating rod a penetrates through the top wall of the side frame, and a driven gear is installed at the top of the rotating rod a. The front frame is arranged in the middle of the front side of the side frame; when the clothes are aired or the indoor light transmittance is increased; the motor rotates inwards to drive the driven gear on the left side of the driving gear to rotate, the driven gear drives the rotating rod a and the rotating rod
Bibliography:Application Number: CN201821934930U