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Fire-fighting access door quick-opening mechanism

A technology for fire exits and access doors, applied to power control mechanisms, wing leaf control mechanisms, windows/doors, etc., which can solve problems such as inability to guarantee safety and rapid opening, and achieve simple structure, low manufacturing cost, and easy installation reasonable effect

Inactive Publication Date: 2019-12-13
XIAN XINGYI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing evacuation door is manually pulled down by the wrench, and the other end of the wrench moves up, so that the button rod moves up, thereby driving the connecting rod to rotate clockwise, thereby driving the pull rod head to move to the left, and the pull rod head is pulled to the left by the pull rod At the same time, it drives the gear shaft and the lock tongue to move to the left, so that the lock tongue is released from the lock hole, unfixed, and the door is opened. This manual structure cannot be opened quickly in case of a major accident, and requires a certain reaction time. Time will cause serious consequences, and safety cannot be guaranteed, so now a fire exit door quick opening mechanism is needed

Method used

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  • Fire-fighting access door quick-opening mechanism
  • Fire-fighting access door quick-opening mechanism
  • Fire-fighting access door quick-opening mechanism

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Example 1: This kind of fire-fighting passage door quick opening device includes a fire-fighting passage 1. A fire-fighting door 2 is installed on one side of the fire-fighting passage 1, and a motor 3 is fixedly installed on the inner upper end of the fire passage 1, and the output shaft and movable rod of the motor 3 One end of 4 is movably connected, one side of the fire door 2 is fixedly installed with a connecting plate 5, the other end of the movable rod 4 is connected to one side of the connecting plate 5, and one side of the fire passage 1 is provided with a chute 6, which A sliding block 7 matched with the sliding groove 6 is installed on the inner side, and one side of the sliding block 7 is movably connected with the connecting plate 5 through a connecting shaft 8, and a telescopic device 9 is installed on the outer upper end of the fire passage 1.

Embodiment 2

[0018] Embodiment 2: The telescopic device 9 includes a fixed plate 10, and one side of the fixed plate 10 is connected to the outside of the fire passage 1, a support block 11 is fixedly installed on one side of the upper end of the fixed plate 10, and the upper end of the fixed plate 10 is another Support block two 12 is fixedly installed on the side. A stop rod 13 is inserted into the inside of support block two 12. One end of the stop rod 13 is connected to one side of the movable block 14. The inner side of the movable block 14 is provided with a limit slot 15 and the support block one An air cylinder 16 is fixedly installed on the upper end side of 11, and the output end of the air cylinder 16 is connected with a limiting column 17, and the limiting groove 15 has an arc-shaped structure, and the limiting column 17 and the limiting groove 15 cooperate with each other.

Embodiment 3

[0019] Embodiment 3: A temperature sensor 18 and a smoke sensor 19 are sequentially installed on one side of the motor 3 and located on the inner wall of the fire passage 1, through the temperature sensor 18 and the smoke sensor 19, the temperature and smoke in the fire passage 1 can be sensed, timely and Open the fire door 2 quickly.

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Abstract

The invention provides a fire-fighting access door quick-opening mechanism, which includes a fire-fighting access. A fire-fighting door is installed on one side of the fire-fighting access, a motor isfixedly installed at the upper end of the inner side of the fire-fighting access, an output shaft of the motor is connected with one end of a movable rod, a connecting plate is fixedly installed on one side of the fire-fighting door, the other end of the movable rod is connected with one side of the connecting plate, a sliding groove is formed in one side of the fire-fighting access, a sliding block matched with the sliding groove is installed on the inner side of the sliding groove, one side of the sliding block is movably connected with the connecting plate through a connecting shaft, a telescopic device is installed at the upper end of the outer side of the fire-fighting access, the telescopic device includes a fixing plate, one side of the fixing plate is connected with the outer sideof the fire-fighting access, a first supporting block is fixedly installed on one side of the upper end of the fixing plate, a second supporting block is fixedly installed on the other side of the upper end of the fixing plate, the inner side of the second supporting block is interspersed with a blocking rod, one end of the blocking rod is connected with one side of a moving block, and a limitinggroove is formed in the inner side of the moving block.

Description

Technical field [0001] The invention is a quick opening mechanism for a fire passage door, belonging to the field of fire protection. Background technique [0002] Currently, fire exit doors are quickly opened doors located at the emergency evacuation exits of buildings. Fire doors are installed in the escape passages of large underground squares. The doors are usually closed, strong and well-sealed. Once there is a danger underground, people can open the safety door from the inside to escape. The existing evacuation door manually pulls the wrench downwards, and the other end of the wrench moves upwards to move the button rod upwards, thereby driving the connecting rod to rotate clockwise, thereby driving the rod head to move to the left, and the rod head is pulled to the left through the rod The joint drives the gear shaft and the lock tongue to move to the left at the same time, so that the lock tongue is separated from the lock hole, unfixed, and opened the door. This manual ...

Claims

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Application Information

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IPC IPC(8): E05F15/603E05F15/72E05F15/71E06B3/50E05C17/02E06B5/10
CPCE05C17/02E05F15/603E05F15/71E05F15/72E05Y2900/132E06B3/5009E06B5/10
Inventor 陆侃
Owner XIAN XINGYI TECH
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