Building fire exit door easy to evacuate

Abstract

The utility model discloses a building fire exit door easy to evacuate, which comprises a door frame, a movable bin, an alarm mechanism, a clamping mechanism, a fixed column, a ventilation mechanism, a fixed cylinder, a pop-up mechanism, a fire exit door and a ventilation pipe, the movable bin is arranged in the upper end of the door frame, the alarm mechanism is arranged in the movable bin, the clamping mechanism is arranged at the lower end of an electric cylinder, and the fixed column is arranged in the movable bin. A ventilation mechanism is arranged in the fixing column, pop-up mechanisms are arranged at the upper end and the lower end of one side of the inner wall of the fixing cylinder, a fire exit door is arranged on one side of the fixing cylinder, and a plurality of evenly-distributed ventilation pipes are inserted into the fire exit door. Compared with the prior art, the fire exit door has the advantages that the fire exit door is matched with the clamping mechanism, the alarm mechanism, the pop-up mechanism and the like, so that the fire exit door can be automatically popped up when a fire occurs, the escape time is saved, and the escape probability is improved; and a ventilation mechanism is arranged to cool the fire exit door, and meanwhile smoke is blown away to provide visual fields for people.

Description

Technical Field

[0001] The utility model relates to the technical field of fire doors, in particular to an easy-to-evacuate fire door for a building. Background Art

[0002] A fire door is a door that meets the requirements of fire resistance, stability, integrity and thermal insulation within a certain period of time. It is a fire-resistant partition with a certain fire resistance installed between fire compartments, evacuation stairwells, vertical shafts, etc. In addition to the functions of ordinary doors, fire doors can also prevent the spread of fire and smoke. They can prevent the spread of fire within a certain period of time and ensure the evacuation of personnel.

[0003] Publication No. CN216714250U describes a fire door for easy evacuation of a building. The interior of the fire door body is hollowed out and used to store water. When a fire occurs, the detection plate curls up after being subjected to high temperature. The water spray button and the alarm button are pressed, and the small water pump starts to work to pump out the water inside the fire door body and spray it out through the nozzle in the water spray tank. The water spray tank cover is opened to spray water on people evacuating from the fire door, which can cool down the human body and make people in panic calm down quickly, protect human skin from high temperature burns, and at the same time, the sprayed water mist can prevent the spread of smoke. After the alarm button is triggered, it will alarm and notify the firefighters in time. Through the above design, the device itself has the ability to fire. However, the prior art still has defects:

[0004] 1. The prior art requires people to manually pull the door handle to open the fire door. Since the fire scene is very urgent, once the door is locked or fails, it takes a lot of time for the escapees to open the door, which seriously affects people's escape time. In addition, the fire is handled by curling up the detection plate due to high temperature and touching the water spray button and the alarm button. The detection plate needs to be exposed to a higher temperature, indicating that the fire is already large at this time. At this time, it is not conducive to people's escape to sound the alarm.

[0005] 2. In the prior art, water is filled inside the fire door after it is hollowed out, and the water is sprayed outwards when a fire occurs. However, due to the small space inside the door, the amount of water that can be held is limited, resulting in a short duration of water spraying after a fire occurs, which is not conducive to the escape of people behind. In addition, a large amount of water spraying may affect people's vision in front, causing collisions or trampling incidents. Utility Model Content

[0006] The technical problem to be solved by the utility model is to solve the above-mentioned problem and provide a fire-fighting door for easy evacuation of a building.

[0007] In order to solve the above technical problems, the technical solution provided by the utility model is: a building easy-to-evacuate fire door, including a door frame, the upper and lower ends of the front side of the vertical rod of the door frame are fixedly connected with hinges, a movable warehouse is opened inside the upper end of the door frame, an alarm mechanism is arranged inside the movable warehouse, an electric cylinder is fixedly connected to the middle of the upper end of the movable warehouse, and a clamping mechanism is arranged at the lower end of the electric cylinder, a fixed column is fixedly connected between the upper and lower ends of the door frame close to the vertical rod of the door frame, a ventilation mechanism is arranged inside the fixed column, a fixed cylinder is sleeved on the outside of the fixed column, a pop-up mechanism is arranged at the upper and lower ends of one side of the inner wall of the fixed cylinder, a fire door is fixedly connected to the fixed cylinder away from the vertical rod of the door frame, a plurality of evenly distributed ventilation pipes are inserted inside the fire door, one end of the ventilation pipe passes through the fixed cylinder, and a handle is fixedly connected to the middle of one side of the front part of the fire door.

[0008] As an improvement, the alarm mechanism includes an exhaust port opened in the middle of the upper front side of the door frame, a smoke sensor is fixedly connected to one side of the upper end of the movable warehouse, and an alarm is fixedly connected to the other side of the upper end of the movable warehouse.

[0009] As an improvement, the clamping mechanism includes a connecting plate fixedly connected to the lower end of the electric cylinder, the lower end of the connecting plate passes through the lower part of the movable bin and is fixedly connected to a fixed block, the front and rear sides of the fixed block are fixedly connected to triangular clamping plates, and the clamping plates are arranged to be tilted downward.

[0010] As an improvement, the ventilation mechanism includes an air pump fixedly connected to the inside of the movable warehouse near the fixed column, a ventilation groove is opened inside the fixed column, the output end of the air pump is connected to the inside of the ventilation groove, and a ventilation hole is opened on the front side of the fixed column corresponding to the ventilation pipe, and the ventilation hole is connected to the ventilation groove.

[0011] As an improvement, the pop-up mechanism includes limit grooves opened at the upper and lower ends of one side of the inner wall of the fixed cylinder, the rear end of the limit groove is clamped with a limit block, the limit block is fixedly connected to the fixed column, and a spring is clamped between the front side of the limit block and the front side of the limit groove.

[0012] The advantages of the utility model compared with the prior art are: 1. A fixed column is arranged on one side of the door frame, and the fixed cylinder is sleeved on the outside of the fixed column, and the fixed cylinder can rotate around the fixed column. A fire door is arranged on one side of the fixed cylinder, and an electric cylinder is arranged in a movable compartment on the upper part of the door frame. A clamping mechanism is arranged at the lower end of the electric cylinder to fix the fire door in the door frame, and the device is installed as a whole in the door opening through a hinge on one side of the door frame. When it is needed to be opened at ordinary times, it is only necessary to pull the handle to open the entire door frame together with the fire door. When a fire occurs, smoke will first enter the movable compartment through the exhaust port to trigger the smoke sensor. The smoke sensor simultaneously activates the alarm and the electric cylinder. The alarm sounds an alarm to remind people to escape, and the electric cylinder drives the clamping mechanism to rise, thereby releasing the restriction of the fire door. The fire door automatically pops outwards and opens under the action of the pop-up mechanism in the fixed cylinder, without people spending extra time to open the door, thus avoiding people from being scalded by contact with the door due to high temperature, saving escape time and increasing the chance of escape.

[0013] 2. The utility model provides a ventilation mechanism, an air pump in the movable bin, ventilation slots and ventilation holes in the fixed columns, the air pump is connected with the ventilation slots, a plurality of ventilation pipes are provided in the fire door, when the fire door is opened outwards, the ventilation pipes are connected with the ventilation holes, the smoke sensor will start the air pump at the same time, so that flowing air is generated in the fire door and sprayed outwards, on the one hand, the fire door is cooled in a high temperature environment, on the other hand, the air sprayed outwards can blow away the smoke in front of the door, providing a better field of vision for the escaping personnel, and avoiding the occurrence of collision and trampling accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a three-dimensional schematic diagram of an easy-to-evacuate fire door for a building.

[0015] Figure 2 The utility model is a partial structural stereogram of an easy-to-evacuate fire door for a building.

[0016] Figure 3 The utility model is a schematic diagram of a main cross-section of a building easy-to-evacuate fire door.

[0017] Figure 4 The utility model is a side cross-sectional schematic diagram of a building easy-to-evacuate fire door.

[0018] Figure 5 The utility model is a schematic diagram of a partial structure of a building easy-to-evacuate fire door in a top view cross-section.

[0019] As shown in the figure: 1. Door frame; 2. Hinge; 3. Movable compartment; 4. Alarm mechanism; 4.1. Exhaust vent; 4.2. Smoke sensor; 4.3. Alarm; 5. Electric cylinder; 6. Clamping mechanism; 6.1. Connecting plate; 6.2. Fixing block; 6.3. Clamping plate; 7. Fixing column; 8. Ventilation mechanism; 8.1. Air pump; 8.2. Ventilation slot; 8.3. Ventilation hole; 9. Fixing cylinder; 10. Pop-up mechanism; 10.1. Limiting slot; 10.2. Limiting block; 10.3. Spring; 11. Fire door; 12. Ventilation pipe; 13. Handle. DETAILED DESCRIPTION

[0020] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0021] Combined with Figure 1 The utility model is provided with a door frame 1, which is an inverted U-shaped galvanized steel frame. The upper and lower ends of the front side of the vertical rods of the door frame 1 are fixedly connected with hinges 2 for installing the door frame 1 in the door opening.

[0022] A fixing column 7 is fixedly connected between the upper and lower ends of the door frame 1 near one side of the vertical rod of the door frame 1. A fixing cylinder 9 is sleeved on the outside of the fixing column 7. The fixing cylinder 9 can rotate around the fixing column 7. The upper and lower ends of the inner wall of one side of the fixing cylinder 9 are provided with a limit groove 10.1 of the pop-up mechanism 10. The limit groove 10.1 is arc-shaped. The upper and lower ends of the curved wall of the fixing column 7 are provided with a limit block 10.2 and are clamped at the rear end of the limit groove 10.1. A spring 10.3 is provided between the front side of the limit block 10.2 and the front side of the limit groove 10.1. A fire door 11 is fixedly connected to the side of the fixed cylinder 9 away from the vertical rod of the door frame 1, and a handle 13 is fixedly connected to the middle of the front side of the fire door 11. When the fire door 11 is pushed to be level with the door frame 1, the fixed cylinder 9 rotates accordingly to cooperate with the limit block 10.2 to compress the spring 10.3, thereby generating an outward pushing force. After the handle 13 is released, the fire door 11 opens outwardly to be vertical to the door frame 1 as the spring 10.3 returns to its original position. The fire door 11, the fixed column 7 and the fixed cylinder 9 are all made of galvanized steel with good fireproof performance.

[0023] An electric cylinder 5 is fixedly connected to the middle of the upper end of the movable warehouse 3, and a connecting plate 6.1 of a clamping mechanism 6 is fixedly connected to the lower end of the electric cylinder 5. The lower end of the connecting plate 6.1 passes through the lower part of the movable warehouse 3 and is fixedly connected to a fixing block 6.2. The width of the fixing block 6.2 is the same as the width of the fire door 11. Inverted triangular clamping plates 6.3 are fixedly connected to the front and rear sides of the fixing block 6.2. When it is not needed to be opened at ordinary times, the upper end of the fire door 11 is clamped and fixed in cooperation with the fixing block 6.2 to prevent the fire door 11 from popping out.

[0024] An alarm mechanism 4 is arranged inside the movable bin 3, including an exhaust port 4.1 opened in the middle of the front side of the upper part of the door frame 1, a smoke sensor 4.2 is fixedly connected to one side of the upper end of the movable bin 3, and an alarm 4.3 is fixedly connected to the other side of the upper end of the movable bin 3. When a fire occurs, smoke first enters the movable bin 3 through the exhaust port 4.1, triggering the smoke sensor 4.2, and the smoke sensor 4.2 simultaneously activates the alarm 4.3 and the electric cylinder 5, and the alarm 4.3 sounds an alarm to warn people to escape, and the electric cylinder 5 drives the connecting plate 6.1 to rise, releasing the control of the fixed block 6.2 and the card plate 6.3 on the fire door 11, so that it automatically pops outward to facilitate people to escape.

[0025] A plurality of evenly distributed ventilation pipes 12 are inserted into the fire door 11, one end of the ventilation pipe 12 passes through the fixed cylinder 9, a ventilation mechanism 8 is arranged inside the fixed column 7, including a ventilation slot 8.2 is opened inside the fixed column 7, an air pump 8.1 is arranged in the movable bin 3 and is connected to the inside of the ventilation slot 8.2, a ventilation hole 8.3 is opened at the front side of the fixed column 7 corresponding to the ventilation pipe 12, and the ventilation hole 8.3 is connected to the ventilation slot 8.2. When the fire door 11 is popped out by the pop-up mechanism 10, the ventilation pipe 12 is aligned with the ventilation hole 8.3, and at the same time, the smoke sensor 4.2 starts the air pump 8.1 to draw air through the exhaust port 4.1 and blow it into the ventilation pipe 12, so as to cool the fire door 11 with air, and finally the ventilation pipe 12 sprays air to blow away the smoke in front of the door, so as to provide a field of vision for people to escape.

[0026] When the utility model is implemented, Figure 1 As shown, when the door needs to be opened for use when there is no fire, the handle 13 is directly pulled in cooperation with the hinge 2 to open the door frame 1 and the fire door 11 together. When a fire occurs, smoke enters the movable chamber 3 through the exhaust port 4.1, triggering the smoke sensor 4.2. The smoke sensor 4.2 then starts the alarm 4.3, the electric cylinder 5 and the air pump 8.1. The alarm 4.3 sounds an alarm to remind people to escape. The electric cylinder 5 lifts the connecting plate 6.1 to release the restriction of the fire door 11 through the clamping mechanism 6. The fire door 11 is ejected outwards by the pop-up mechanism 10 in cooperation with the fixing cylinder 9 and the fixing column 7 to open a passage for the escapee. At the same time, the air pump 8.1 draws air through the ventilation mechanism 8 to allow air circulation and cooling in the fire door 11. The wind is blown outwards through the ventilation pipe 12 to disperse the smoke in front of the door, providing a field of vision for the escapee.

[0027] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A building easy evacuation fire door, comprising a door frame (1), characterized in that: The upper and lower ends of the front side of the vertical rod of the door frame (1) are fixedly connected with hinges (2); a movable compartment (3) is provided inside the upper end of the door frame (1); an alarm mechanism (4) is arranged inside the movable compartment (3); an electric cylinder (5) is fixedly connected to the middle of the upper end of the movable compartment (3); a clamping mechanism (6) is arranged at the lower end of the electric cylinder (5); a fixed column (7) is fixedly connected between the upper and lower ends of the door frame (1) near one side of the vertical rod of the door frame (1); a locking mechanism (6) is arranged inside the fixed column (7); A ventilation mechanism (8) is provided. A fixed cylinder (9) is sleeved on the outside of the fixed column (7). A pop-up mechanism (10) is arranged at the upper and lower ends of one side of the inner wall of the fixed cylinder (9). A fire door (11) is fixedly connected to the side of the fixed cylinder (9) away from the vertical rod of the door frame (1). A plurality of evenly distributed ventilation pipes (12) are inserted into the inside of the fire door (11). One end of the ventilation pipe (12) passes through the fixed cylinder (9). A handle (13) is fixedly connected to the middle of one side of the front of the fire door (11).

2. A building easy evacuation fire door according to claim 1, characterized in that: The alarm mechanism (4) comprises an exhaust port (4.1) opened in the middle of the front upper side of the door frame (1); a smoke sensor (4.2) is fixedly connected to one side of the upper inner end of the movable chamber (3); and an alarm (4.3) is fixedly connected to the other side of the upper inner end of the movable chamber (3).

3. The building easy evacuation fire door according to claim 1, characterized in that: The clamping mechanism (6) comprises a connecting plate (6.1) fixedly connected to the lower end of the electric cylinder (5); the lower end of the connecting plate (6.1) penetrates the lower part of the movable bin (3) and is fixedly connected to a fixing block (6.2); the front and rear sides of the fixing block (6.2) are fixedly connected to triangular clamping plates (6.3); the clamping plates (6.3) are arranged to be tilted downward.

4. The building easy evacuation fire door according to claim 1, characterized in that: The ventilation mechanism (8) comprises an air pump (8.1) fixedly connected to a side of the movable chamber (3) close to the fixed column (7); a ventilation groove (8.2) is provided inside the fixed column (7); an output end of the air pump (8.1) is communicated with the inside of the ventilation groove (8.2); a ventilation hole (8.3) is provided on the front side of the fixed column (7) corresponding to the ventilation pipe (12); and the ventilation hole (8.3) is communicated with the ventilation groove (8.2).

5. The building easy evacuation fire door according to claim 1, characterized in that: The ejection mechanism (10) comprises a limiting groove (10.1) formed at the upper and lower ends of one side of the inner wall of the fixed cylinder (9); a limiting block (10.2) is clamped at the rear end of the limiting groove (10.1); the limiting block (10.2) is fixedly connected to the fixed column (7); and a spring (10.3) is clamped between the front side of the limiting block (10.2) and the front side of the limiting groove (10.1).

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