Fire exit door capable of discharging smoke

By introducing cooling, smoke and detection components in the fire door, the problems that existing fire doors cannot discharge due to high temperature deformation and smoke cannot be discharged during the fire during the fire, and the valid cooling and smoke discharge of the door is achieved. Convenience.

CN222391298UActive Publication Date: 2025-01-24DAZHANGMEN (GUANGDONG) HOME FURNISHING CO LTD
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Patent Information

Application Number
CN202421151572.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-24
Publication Date
2025-01-24
Estimated Expiration
2034-05-24

AI Technical Summary

Technical Problem

The existing fire doors deform due to the increase in temperature during a fire, which cannot effectively block the fire, and lack smoke exhaust devices, resulting in the inability to effectively discharge thick smoke.

Method used

A fire door including a door frame, a door body, a cooling component, a smoke exhaust component and a detection component is designed. The cooling component cools the door body through the refrigerator and cooling ducts. The smoke exhaust component discharges the dense smoke through the exhaust fan, smoke pipe and smoke exhaust pipe. The detection component detects fire through the sensor and pressure relief device and starts the cooling and smoke exhaust system.

Benefits of technology

It effectively avoids the deformation of the door body due to high temperature, ensures the fire resistance of the door, and discharges dense smoke through the smoke exhaust assembly, improving the safety and convenience of use.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222391298U_ABST
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Abstract

The utility model discloses a fire exit door capable of discharging smoke, and relates to the technical field of fire exit doors, the fire exit door comprises a door frame, one side of the door frame is rotatably connected with a door body, a cooling assembly is arranged in the door body and used for cooling the door body and preventing deformation, and a smoke discharging assembly is arranged in the door frame and used for discharging dense smoke. A detection assembly is arranged between the door frame and the door body and used for detecting whether a fire disaster happens around the door body, through the cooling assembly arranged in the door body and the smoke exhaust assembly arranged in the door frame, a refrigerating machine in the door body can generate cold air, the cold air flows back and forth in a cooling pipeline through an air pump, the door body is cooled, and the smoke exhaust assembly is arranged in the door frame. According to the smoke exhaust device, the situation that when a fire happens, the temperature around the door body is too high, and consequently the door body deforms can be effectively avoided, dense smoke can be exhausted from the smoke exhaust opening in the smoke exhaust pipe through the exhaust fan and the smoke suction opening, the dense smoke can be filtered through the activated carbon adsorption layers on the two sides of the smoke exhaust pipe, practicability is high, and use is convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of fire doors, in particular to a fire door capable of exhausting smoke. Background Art

[0002] Fire doors refer to doors with certain fire resistance composed of door frames, door leaf frames and door leaf panels made of steel materials, and equipped with fireproof hardware accessories. They are mainly installed in fire compartments, evacuation stairwells, vertical shafts and other places.

[0003] Prior art CN111321989A proposes a new type of fire door, which can spray fire extinguishing treatment on the fire outside the door, and reduce the spread of fire to a certain extent. However, there are some problems in the use of the current fire door. When a fire occurs, the temperature around the door leaf will rise, accompanied by a large amount of thick smoke. The high temperature will cause the door leaf to deform and cannot play the role of blocking the fire. There is no cooling device in the door leaf, and the thick smoke cannot be discharged to the outside, and the thick smoke cannot be effectively discharged, which makes it inconvenient to use. Utility Model Content

[0004] The purpose of the utility model is to provide a fire door capable of exhausting smoke, so as to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A fire door capable of exhausting smoke comprises a door frame, one side of the door frame being rotatably connected to a door body;

[0007] A cooling component is provided inside the door body for cooling the door body to prevent deformation;

[0008] A smoke exhaust component is provided in the door frame for exhausting thick smoke;

[0009] A detection component is provided between the door frame and the door body, for detecting whether a fire occurs around the door body.

[0010] As a further solution of the utility model: the cooling assembly includes a refrigerator, the refrigerator is fixedly connected to one side of the door body, a cooling pipe is fixedly connected to the refrigerator, the cooling pipe surrounds the entire door body, and an air pump is fixedly connected to the cooling pipe.

[0011] As a further solution of the utility model: the smoke exhaust component includes an exhaust fan, which is fixedly connected to the upper end of the door frame, and two smoking pipes are fixedly connected to the suction ends on both sides of the exhaust fan, and a number of smoking ports are provided on the smoking pipes. A smoke exhaust pipe is fixedly connected to the smoke exhaust end of the upper end surface of the exhaust fan, and activated carbon adsorption layers are provided on both sides of the smoke exhaust pipe, and four smoke exhaust ports are provided on the upper end surface of the smoke exhaust pipe.

[0012] As a further solution of the utility model: the detection component includes a fixed door panel, the fixed door panel is fixedly connected to the door frame, the fixed door panel is located between the door frame and the door body, a sensor is fixedly connected to the fixed door panel, and a pressure relief device is fixedly connected below the sensor.

[0013] As a further solution of the utility model: a pressure relief valve is provided on the side of the door body away from the refrigerator, a door lock is fixedly connected to the door body, a handle is provided on the door lock, and a keyhole is provided below the handle.

[0014] As a further solution of the utility model: a protective net is provided on the smoking port.

[0015] As a further solution of the utility model: a coolant is provided inside the door body.

[0016] As a further solution of the utility model: sealing rubber is provided between the door body, the fixed door panel and the door frame.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The utility model provides a cooling assembly in the door body. The refrigerator in the door body generates cold air and uses an air pump to make the cold air flow back and forth in the cooling pipe to cool the door body, which can effectively prevent the door body from being deformed due to excessive temperature around the door body in the event of a fire.

[0019] 2. The utility model uses a smoke exhaust component arranged in the door frame. The exhaust fan sucks away the thick smoke around the door body through the smoke pipe and the smoke outlet, and exhausts the thick smoke to the outside through the smoke exhaust pipe and the smoke outlet. When the thick smoke passes through the smoke exhaust pipe, the activated carbon adsorption layer on both sides of the smoke exhaust pipe will filter the thick smoke to prevent harmful gases from being discharged to the outside and causing pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The present invention is a structural schematic diagram of a fire door capable of exhausting smoke.

[0021] Figure 2 The present invention is a structural schematic diagram of a cross section of a fire door capable of exhausting smoke.

[0022] Figure 3 The present invention is a schematic diagram of the structure of a cooling component in a fire door capable of exhausting smoke.

[0023] Figure 4 The present invention is a structural schematic diagram of a smoke exhaust component in a fire door capable of exhausting smoke.

[0024] Among them: 1. Door frame; 2. Door body; 3. Fixed door panel; 4. Handle; 5. Keyhole; 6. Smoke outlet; 7. Smoke exhaust outlet; 8. Sensor; 9. Pressure relief device; 10. Pressure relief valve; 11. Activated carbon adsorption layer; 12. Refrigeration machine; 13. Air pump; 14. Cooling pipe; 15. Exhaust fan; 16. Smoke pipe; 17. Smoke exhaust pipe; 18. Door lock; DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1

[0027] See also Figure 1-Figure 4 In an embodiment of the utility model, a fire door capable of exhausting smoke comprises a door frame 1, one side of the door frame 1 is rotatably connected to a door body 2, a cooling component is arranged in the door body 2, which is used to cool the door body 2 to prevent deformation, the cooling component comprises a refrigerator 12, the refrigerator 12 is fixedly connected to one side of the door body 2, a cooling pipe 14 is fixedly connected to the refrigerator 12, the cooling pipe 14 surrounds the entire door body 2, an air pump 13 is fixedly connected to the cooling pipe 14, when in use, the fire door is installed to a designated position, a refrigerator 12 is arranged in the door body 2, a cooling pipe 14 is connected to the refrigerator 12, the cooling pipe 14 surrounds the entire door body 2, an air pump 13 is arranged on the cooling pipe 14, when a fire occurs, the sensor 8 will start the refrigerator 12, generate cold air, flow back and forth in the cooling pipe 14, cool the door body 2, and prevent the door body 2 from deforming due to excessive temperature.

[0028] The door frame 1 is provided with a smoke exhaust component for exhausting thick smoke. The smoke exhaust component includes an exhaust fan 15, which is fixedly connected to the upper end of the door frame 1. Two suction pipes 16 are fixedly connected to the suction ends on both sides of the exhaust fan 15. The smoking pipes 16 are each provided with a plurality of smoking ports 6. A smoke exhaust pipe 17 is fixedly connected to the exhaust end of the upper end face of the exhaust fan 15. Activated carbon adsorption layers 11 are provided on both sides of the smoke exhaust pipe 17. Four smoke exhaust ports 7 are provided on the upper end face of the smoke exhaust pipe 17. When in use, the door frame 1 is provided with an exhaust fan 15, which is fixedly connected to the exhaust end of the upper end face of the exhaust fan 15. There is an exhaust fan 15, two smoking pipes 16 are arranged on both sides of the exhaust fan 15, and a plurality of smoking ports 6 are arranged on the smoking pipes 16. A smoke exhaust pipe 17 is arranged on the upper end surface of the exhaust fan 15, and a plurality of smoke exhaust ports 7 are arranged on the smoke exhaust pipe 17. When there is a large amount of thick smoke around the door body 2, the exhaust fan 15 will absorb the thick smoke through the smoking ports 6 on the smoking pipe 16 and discharge it from the smoke exhaust ports 7 on the smoke exhaust pipe 17 to the outside. An activated carbon adsorption layer 11 is arranged on the smoke exhaust pipe 17 to filter the thick smoke to prevent harmful gases in the thick smoke from being discharged outside the boundary and causing pollution.

[0029] A detection component is provided between the door frame 1 and the door body 2, which is used to detect whether a fire occurs around the door body 2. The detection component includes a fixed door panel 3, which is fixedly connected between the door frame 1 and the door body 2. A sensor 8 is fixedly connected to the fixed door panel 3, and a pressure relief device 9 is fixedly connected below the sensor 8. When in use, the sensor 8 on the fixed door panel 3 will detect whether a fire occurs around the door body 2. When a fire is detected, the sensor 8 will start the exhaust fan 15 and the refrigerator 12 to work to block the fire. When the pressure relief device 9 detects that the air pressure in the door body 2 is too high, it will open the pressure relief valve 11 to prevent the door body 2 from being damaged by the excessive air pressure in the door body 2.

[0030] A pressure relief valve 10 is provided on the side of the door body 2 away from the refrigerator 12, and a door lock 18 is fixedly connected to the door body 2. A handle 4 is provided on the door lock 18, and a keyhole 5 is provided below the handle 4. When in use, the door body 2 can be locked by the handle 4 and the keyhole 5 on the door body 2, and the opening and closing of the door body 2 can be controlled by turning the handle 4.

[0031] The smoking port 6 is provided with a protective net. When in use, the protective net protects the smoking port 6 to prevent someone from throwing debris into the smoking port 6 and to prevent small animals from entering the smoking pipe 16 .

[0032] Sealing rubber is provided between the door body 2 and the fixed door panel 3 and the door frame 1. When a fire occurs, the sealing rubber between the door body 2 and the fixed door panel 3 and the door frame 1 can well isolate thick smoke and effectively prevent thick smoke from entering the house.

[0033] Example 2

[0034] The difference from Example 1 is that: a coolant is provided inside the door body 2. When in use, the high temperature will evaporate the coolant in the door body 2, causing the air pressure inside the door body 2 to increase. When the air pressure inside the door body 2 is too high, the pressure relief device 9 will open the pressure relief valve on the door body 2 to discharge excess gas, which can effectively prevent the door body 2 from being damaged due to excessive air pressure.

[0035] The working principle of the utility model is as follows: when in use, the fire door is installed in the designated position, an exhaust fan 15 is arranged in the door frame 1, two smoking pipes 16 are arranged on both sides of the exhaust fan 15, a plurality of smoking ports 6 are arranged on the smoking pipes 16, a smoke exhaust pipe 17 is arranged on the upper end surface of the exhaust fan 15, a plurality of smoke exhaust ports 7 are arranged on the smoke exhaust pipe 17, a refrigerator 12 is arranged in the door body 2, a cooling pipe 14 is connected to the refrigerator 12, the cooling pipe 14 surrounds the entire interior of the door body 2, an air pump 13 is arranged on the cooling pipe 14, when a fire occurs, the sensor 8 will start the exhaust fan 15 and the refrigerator 12, when the temperature around the door body 2 rises, the refrigerator 12 and the air pump 13 will cool the cold air generated by the refrigerator 12 in the cold air The air flows back and forth in the cooling pipe 14 to cool the door body 2 and prevent deformation, so as to avoid failure to effectively block the fire. When there is a large amount of thick smoke, the exhaust fan 15 will absorb the thick smoke through the smoking port 6 on the smoking pipe 16 and discharge it from the smoke exhaust port 7 on the smoke exhaust pipe 17 to the outside. The smoke exhaust port 7 is connected to the pipe in the wall. The smoke exhaust pipe 17 is provided with an activated carbon adsorption layer 11 to filter the thick smoke to prevent harmful gases in the thick smoke from being discharged to the outside and causing pollution. When the coolant inside the door body 2 is evaporated by high temperature, a large amount of gas is generated and the air pressure in the door body 2 is too high, the pressure relief device 9 will open the pressure relief valve 10 on the door body 2 to discharge the gas to prevent the air pressure in the door body 2 from being too high and damaging the door body 2. It is highly practical and easy to use.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Although the present specification is described in accordance with the implementation modes, not every implementation mode includes only one technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A fire door capable of exhausting smoke, comprising a door frame (1), one side of the door frame (1) being rotatably connected to a door body (2); It is characterized in that A cooling component is provided inside the door body (2) for cooling the door body (2) to prevent deformation; The door frame (1) is provided with a smoke exhaust component for exhausting thick smoke; A detection component is provided between the door frame (1) and the door body (2), and is used to detect whether a fire occurs around the door body (2); The cooling assembly comprises a refrigerator (12), the refrigerator (12) being fixedly connected to one side of the door body (2), the refrigerator (12) being fixedly connected to a cooling pipe (14), the cooling pipe (14) surrounding the entire interior of the door body (2), and the cooling pipe (14) being fixedly connected to an air pump (13); The smoke exhaust component comprises an exhaust fan (15), the exhaust fan (15) is fixedly connected to the door frame (1), two smoking pipes (16) are fixedly connected to the suction ends on both sides of the exhaust fan (15), and a plurality of smoking ports (6) are provided on the smoking pipes (16), a smoke exhaust pipe (17) is fixedly connected to the smoke exhaust end of the upper end surface of the exhaust fan (15), activated carbon adsorption layers (11) are provided on both sides of the smoke exhaust pipe (17), and four smoke exhaust ports (7) are provided on the upper end surface of the smoke exhaust pipe (17); The detection component comprises a fixed door panel (3), the fixed door panel (3) is fixedly connected to the door frame (1), the fixed door panel (3) is located between the door frame (1) and the door body (2), a sensor (8) is fixedly connected to the fixed door panel (3), and a pressure relief device (9) is fixedly connected below the sensor (8).

2. A fire door capable of exhausting smoke according to claim 1, characterized in that: A pressure relief valve (10) is provided on the side of the door body (2) away from the refrigerator (12); a door lock (18) is fixedly connected to the door body (2); a handle (4) is provided on the door lock (18); and a key hole (5) is provided below the handle (4).

3. A fire door capable of exhausting smoke according to claim 1, characterized in that: The smoking opening (6) is provided with a protective net.

4. A fire door capable of exhausting smoke according to claim 1, characterized in that: Cooling liquid is provided inside the door body (2).

5. A fire door capable of exhausting smoke according to claim 1, characterized in that: Sealing rubber is provided between the door body (2), the fixed door panel (3) and the door frame (1).

Citation Information

Patent Citations

  • Novel fire door

    CN111321989A