Emergency window opener

Abstract

The invention discloses an emergency window opening machine, which includes a driver, a telescopic assembly and a support fixed on the window sash. The driver drives the telescopic assembly to stretch back and forth. Extended or accommodated normally connected guide rod, the telescopic assembly is connected to the support through the constantly connected guide rod. In the free state, the window sash is opened under the action of the power-assisted mechanism or self-gravity, but the normally connected guide rod is always connected between the telescopic assembly and the window sash, and the normally connected guide rod can limit the opening range of the sash to avoid damage to the sash due to excessive opening. During the opening process of the window sash, the constant guide rod extends out following the window sash, keeping the electric window opener in the original position. When the window sash is closed again, the window opener and the window sash can be reconnected without recalibration.

Description

technical field [0001] The invention relates to the field of fire protection, in particular to an emergency window opener when a fire occurs. Background technique [0002] With the improvement of people's fire safety awareness and standard requirements, the use of building smoke exhaust window openers is increasing. A traditional window opener includes a driver and a telescopic mechanism, and the telescopic mechanism is connected with a support fixed on the window sash through a lock. Under normal conditions, the lock is connected to the telescopic mechanism of the window opener and the support on the window sash, and the window opener realizes the opening and closing of the window sash; in case of fire or other abnormal conditions, after the lock is opened, the emergency window opener and the window sash When disengaged, the window sash is opened under the action of external force, so as to realize the emergency window opening function. [0003] The traditional window dri...

AI Technical Summary

Problems solved by technology

[0003] The traditional window drive has the following problems in the emergency state: 1. After the window sash is opened and the window drive is separated from the window sash, the window sash is unrestricted and easy to break during the opening process; 2. After the window sash is opened in an emergency state, When the window sash is closed again, it is necessary to reconnect the telescopic mechanism of the window opener to the window sash. Since the window opener is not restricted, its position is easy to change, and the reconnection requires recalibration and assembly, so the reconnection process is cumbersome.

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