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Building evacuation door opening device

A door opening device and building technology, applied in the field of security doors, can solve the problems of low security against theft, and achieve the effect of saving time

Active Publication Date: 2020-06-05
兴业建工集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a building evacuation door opening device, which solves the problem that in the daily use of the existing building evacuation door opening device, when the fire protection system is unexpectedly powered off, the evacuation door can be opened at will, and the anti-theft safety is low. The problem

Method used

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Embodiment Construction

[0026] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

[0027] Refer below Figure 1 to Figure 6 The present invention is further described, as figure 1 , figure 2 A kind of building evacuation door opening device shown, comprises door lock, seat plate 3, unlocking mechanism 4, security mechanism 5 and elastic telescoping rod 6, and door lock comprises the lock body 1 that is arranged on the door frame 10 and is arranged on the door panel 20 The buckle box 2 and the seat plate 3 are fixed on the top of the evacuation passage. One end of the elastic telescopic rod 6 is hinged on the door frame 10, and the other end of the elastic telescopic rod 6 is hinged on the door panel 20. When the door lock is in the open state, the door panel 20 can be automatically opened under the effect of elastic telescopic ...

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Abstract

The invention provides a building evacuation door opening device. The building evacuation door opening device comprises a door lock, a seat plate, an unlocking mechanism and a security protection mechanism. The door lock comprises a lock body arranged on a door frame and a catch box arranged on a door panel. The seat plate is fixedly arranged on the top of an evacuation passageway. The unlocking mechanism comprises a touch bar, a telescopic rod, a transmission assembly and a rope I. The telescopic rod is rotatably arranged on the seat plate. The touch bar is connected to the lower end of the telescopic rod. One end of the rope I is connected with the lock body, and the other end of the rope I is connected with the telescopic rod through the transmission assembly. When a user pushes the touch bar, the touch bar drives the telescopic rod to rotate, the telescopic rod pulls the rope I through the transmission assembly to enable a lock tongue of the lock body to be separated from the catchbox. The security protection mechanism comprises a cylinder and a rope II. One end of the rope II is connected to an output rod of the cylinder., and the other end of the rope II is connected to thetelescopic rod. Through the building evacuation door opening device provided by the invention, when a person runs to an evacuation door in case of a fire and touches the touch bar, the door panel is automatically opened, and the security performance is good.

Description

technical field [0001] The invention relates to the technical field of safety doors, in particular to a device for opening a building evacuation door. Background technique [0002] For safety reasons, necessary safe evacuation passages should be provided in the building to guide people to evacuate to a safe area when danger occurs, and evacuation doors in a closed state are usually provided at the exit of the evacuation passages. [0003] In order to quickly open the evacuation door when danger occurs, the published patent CN207177592U discloses a building evacuation door opening device including a door frame, a door, a cylinder, a push rod, a connecting rod, a side plate, a fixed pulley, a wire rope, and a weight; The door frame is hinged with the door, the door frame is equipped with a cylinder, the cylinder is connected with the push rod, the push rod is hinged with the connecting rod, and one end of the connecting rod is connected with the door; one side of the door fram...

Claims

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Application Information

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IPC IPC(8): E05B53/00E05B9/00E05B15/04E05B15/00E05B15/10E05B17/00E05B17/22E05B65/10
CPCE05B9/00E05B15/00E05B15/04E05B15/10E05B17/0041E05B17/22E05B53/005E05B65/10
Inventor 方力炜
Owner 兴业建工集团有限公司
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