44results about How to "Prevent sudden drop" patented technology

The application discloses a safety cabinet for preventing glass from falling and a control logic method thereof. The safety cabinet comprises a safety cabinet body, a glass door and a lifting mechanism thereof, and a control panel. The glass door is driven to lift by the lifting mechanism. The front side of the safety cabinet body is provided with a front cover, and the glass door is arranged on the inner side of the front cover. Meanwhile, an anti-falling structure is arranged on the inner side wall of the front cover, which comprises a fixing support, a tongue lock bottom support and a tongue lock. The fixing support is fixed on the inner side wall of the front cover, the tongue lock bottom support is fixed on the bottom of the fixing support, and the tongue lock is fixed between the tongue lock bottom support and the fixing support, and the lock tongue of the tongue lock extends to the glass door. A glass baffle is fixedly assembled on the upper edge of the glass door, the center of the glass baffle is provided with a square hole corresponding to the lock tongue, and the lock tongue of the tongue lock can be inserted into the square hole. The application has the advantages of simple structure, low cost, small occupied space, safety and reliability, and can effectively prevent the sudden falling of the glass door, avoid the injury of the staff and the damage of the instrument.