CN220487431U - Smoke-proof fireproof door - Google Patents

Abstract

The utility model discloses a smoke-proof fireproof door, which relates to the technical field of door and window structures and comprises a door frame, a fireproof door leaf and a water spraying mechanism, wherein the door frame is hinged with the fireproof door leaf through a hinge, and a door closer, a fireproof window and a fireproof door handle are arranged on the fireproof door leaf. One side of the door frame, which is close to the fireproof door leaf, is provided with a first groove, a water expansion sealing strip is arranged in the first groove, one side of the fireproof door leaf, which is close to the door frame, is provided with a second groove, and a fireproof expansion sealing strip is arranged in the second groove. The water spraying mechanism is arranged above the outer side of the door frame and comprises a water pump, a water pipeline and a spray head. The smoke-proof fireproof door adopting the structure can extinguish open fire outside the door and cool the fireproof door leaf, effectively prevent fire from spreading, effectively block gaps between the door frame and the door leaf, prevent smoke in a fire scene from spreading indoors, and ensure personal safety of a user.

Description

Smoke-proof fireproof door

Technical Field

The utility model relates to the technical field of door and window structures, in particular to a smoke-proof fireproof door.

Background

Fireproof doors are doors that meet the requirements of fire resistance stability, integrity and thermal insulation over a period of time. The fire-proof partition is arranged between fire-proof partitions, evacuation stairwells, vertical shafts and the like and has certain fire resistance. The fire-fighting system is specially used for isolating fire sources in house buildings, has a great effect on fire-fighting work, and can obtain escape opportunities through the fireproof door once a fire disaster occurs. Among the various disasters, fire is one of the most frequent and most widespread major disasters threatening public safety and social development, and most of the casualties are due to smoke. Among the various components of fire smoke, carbon monoxide is the main toxic gas. In the event of a fire, the combustion process consumes a large amount of oxygen, causing the oxygen concentration in the air to drop dramatically. A large amount of toxic smoke may also be generated.

The existing fireproof door has certain defects when in use, the integral sealing effect of the fireproof door is poor, dense smoke cannot be blocked, gaps exist between the door and the door frame when the fireproof door is closed naturally, the traditional fireproof sealing strip is easy to burn at high temperature, the sealing effect is poor, smoke generated by fire is easy to enter, and life safety of people in a room is threatened.

Disclosure of Invention

The utility model aims to provide a smoke-proof fireproof door, which solves the problem that gaps exist between a fireproof door and a door frame and thick smoke generated by a fire cannot be effectively blocked.

In order to achieve the above purpose, the utility model provides a smoke-proof fireproof door, which comprises a door frame, a fireproof door leaf and a water spraying mechanism, wherein a plurality of groups of hinges are symmetrically arranged between the door frame and the fireproof door leaf, the door frame is movably connected with the fireproof door leaf through the hinges, a door closer, a fireproof window and a fireproof door handle are arranged on the fireproof door leaf, a first groove is formed in one side, close to the fireproof door leaf, of the door frame, a water-swelling water stop bar is arranged in the first groove, a second groove is formed in one side, close to the door frame, of the fireproof door leaf, and a fireproof swelling sealing bar is arranged in the second groove; the water spraying mechanism is arranged above the door frame and comprises a water pump, a water pipeline connected with the output end of the water pump and a spray head connected with the water pipeline.

Preferably, a plurality of spray heads are arranged, and a plurality of spray heads are uniformly arranged.

Preferably, the door frame top is fixed and is provided with the installation cavity, the water pump is fixed to be set up one side of installation cavity, the water pipe is fixed to be set up the inside of installation cavity, evenly be provided with a plurality of through-holes on the lateral wall of installation cavity, the through-hole with shower nozzle one-to-one.

Preferably, a water-passing branch pipe is connected to the lower part of the water-passing pipeline, and the water-passing branch pipe is communicated with the first groove.

Preferably, the water-storage control valve is arranged on the water-passing branch pipe.

Preferably, the joint of the fireproof window and the fireproof door leaf is sealed by fireproof glue.

Therefore, the smoke-proof fireproof door adopting the structure has the following beneficial effects:

(1) Through the water spray mechanism and set up the setting of meeting water inflation sealing strip in the first recess of door frame, can also cool down fireproof door leaf when putting out a fire to the outer open fire of door, meet water inflation sealing strip and absorb water inflation, fireproof inflation sealing strip is heated and is inflated, can carry out effectual shutoff to the gap between door frame and the door leaf, prevent that the scene of a fire smog from spreading to indoor, threat indoor personnel's personal safety.

(2) Personnel accessible fire window observes the outer fire of door, is provided with the door closer on the fire door leaf, has avoided personnel to flee the time-out fire that the door was led to of closing the door to spread, has effectively prevented the fire diffusion.

(3) The fireproof door has a simple structure, is convenient to install, and effectively ensures personal safety of a user.

The technical scheme of the utility model is further described in detail through the drawings and the embodiments.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a smoke-proof fire door of the present utility model;

FIG. 2 is a schematic top cross-sectional view of the structure A-A of FIG. 1 in accordance with the present utility model;

fig. 3 is a schematic structural view of a door frame and a water spraying mechanism of a smoke-proof fire door of the present utility model.

In the figure: 1. a door frame; 2. fireproof door leaves; 3. a hinge; 4. a door closer; 5. a fire window; 6. fireproof door handles; 7. a water-swelling water stop strip; 8. fireproof expansion sealing strips; 9. a mounting cavity; 10. a water pump; 11. a water pipe; 12. a spray head; 13. a water-through branch pipe; 14. and a water storage control valve.

Detailed Description

The technical scheme of the utility model is further described below through the attached drawings and the embodiments.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

Examples

The utility model provides a smoke protection fire door, as shown in figure 1, including door frame 1, fire prevention door leaf 2 and water spray mechanism, the symmetry is provided with multiunit hinge 3 between door frame 1 and the fire prevention door leaf 2, and door frame 1 passes through hinge 3 swing joint with fire prevention door leaf 2, installs door closer 4, fire prevention window 5 and fire prevention door handle 6 on the fire door. The junction of fire window 5 and fire door leaf 2 is sealed through the fire prevention glue. As shown in fig. 2, a first groove is formed in one side, close to the fireproof door leaf 2, of the door frame 1, a water-swelling water stop strip 7 is arranged in the first groove, a second groove is formed in one side, close to the door frame 1, of the fireproof door leaf 2, and a fireproof swelling sealing strip 8 is arranged in the second groove. As shown in fig. 3, the water spraying mechanism is disposed above the outer side of the door frame 1, and the water spraying mechanism includes a water pump 10, a water pipe 11 connected to the output end of the water pump 10, and a plurality of spray heads 12 connected to the water pipe 11, the spray heads 12 being disposed in a plurality, and the plurality of spray heads 12 being disposed uniformly. The door frame 1 top is fixed and is provided with installation cavity 9, and water pump 10 is fixed to be set up in one side of installation cavity 9, and water pipe 11 sets up in the inside of installation cavity 9, evenly is provided with a plurality of through-holes on the lateral wall of installation cavity 9, through-hole and shower nozzle 12 one-to-one. The water-through branch pipe 13 is connected to the below of the water-through pipeline 11, and the water-through branch pipe 13 is communicated with the first groove, and the water-through branch pipe 13 is provided with the water storage control valve 14.

When a fire occurs, a large amount of smoke is usually generated, the smoke enters the room through a gap of the door to cause suffocation injury of personnel, and when the fire occurs and the smoke is generated, the fireproof door leaf 2 is tightly closed to isolate fire. The fireproof door leaf 2 is provided with the door closer 4, so that fire spread caused by untimely door closing when people escape is prevented, and the fire spread is effectively prevented. The fireproof door leaf 2 is provided with a fireproof window 5, so that the fire outside the door can be observed. When a fire situation spreads around, the water spraying mechanism is timely started, the water pump 10 can be communicated with a resident water source or a water tank is additionally arranged, after the water pump 10 is opened, water is continuously pumped into the water pipeline 11, a plurality of spray heads 12 are uniformly arranged above the fireproof door, the spray heads 12 spray fire water simultaneously, the fireproof door leaf 2 and the fireproof door handle 6 can be cooled while the open fire outside the door is extinguished, the water pipe branch 13 is communicated with the first groove, the water-swelling water stop strip 7 is arranged inside the first groove, the water-swelling water stop strip 7 can fill gaps between the fireproof door leaf 2 and the door frame 1 due to water swelling, smoke is effectively prevented from entering a room, one side of the door leaf, which is close to the door frame 1, is provided with the second groove, the fireproof swelling sealing strip 8 is arranged in the second groove, and when the ambient temperature rises, the fireproof swelling sealing strip 8 is heated and swells to further seal the door gap, so that the door gap is sealed, and indoor safety is guaranteed.

Therefore, the smoke-proof fireproof door adopting the structure can lower the temperature of the fireproof door leaf while extinguishing open fire outside the door through the water spraying mechanism and the water-swelling water stop bar arranged in the first groove of the door frame, and the water-swelling water stop bar can effectively block the gap between the door frame and the door leaf by water absorption swelling, so that smoke in a fire scene is prevented from spreading indoors, and the personal safety of indoor personnel is threatened. Personnel accessible fire window observes the outer fire of door, is provided with the door closer on the fire door leaf, has avoided personnel to flee the time-out fire that the door was led to of closing the door to spread, has effectively prevented the fire diffusion. The fireproof door has a simple structure, is convenient to install, and effectively ensures personal safety of a user.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.

Claims (6)

1. The utility model provides a smoke protection prevents fire door, includes door frame, fire prevention door leaf and water spray mechanism, its characterized in that: the door frame and the fireproof door leaf are symmetrically provided with a plurality of groups of hinges, the door frame and the fireproof door leaf are movably connected through the hinges, a door closer, a fireproof window and a fireproof door handle are arranged on the fireproof door leaf, a first groove is formed in one side, close to the fireproof door leaf, of the door frame, a water-swelling water stop bar is arranged in the first groove, a second groove is formed in one side, close to the door frame, of the fireproof door leaf, and a fireproof swelling sealing bar is arranged in the second groove; the water spraying mechanism is arranged above the door frame and comprises a water pump, a water pipeline connected with the output end of the water pump and a spray head connected with the water pipeline.

2. A smoke-resistant fire door as recited in claim 1, wherein: the shower nozzle is provided with a plurality of, and a plurality of the shower nozzle evenly sets up.

3. A smoke-resistant fire door as recited in claim 2, wherein: the water pump is fixedly arranged on one side of the installation cavity, the water pipeline is fixedly arranged in the installation cavity, a plurality of through holes are uniformly formed in the side wall of the installation cavity, and the through holes correspond to the spray heads one by one.

4. A smoke-resistant fire door as recited in claim 3, wherein: the water pipe is connected with a water pipe branch below the water pipe, and the water pipe branch is communicated with the first groove.

5. A smoke-resistant fire door as recited in claim 4, wherein: and the water storage control valve is arranged on the water-through branch pipe.

6. A smoke-resistant fire door as recited in claim 5, wherein: the junction of fire window with fire door leaf passes through the fire prevention and glues sealedly.