Intelligent fire-fighting fireproof door capable of preventing smoke leakage

By designing an intelligent fire-fighting fire door including door frame, extended frame, movable door and smoke alarm, the problems of self-sealing detection in the prior art and the degradation of sealing performance are solved, and efficient and accurate seal detection effect is achieved.

CN222558416UActive Publication Date: 2025-03-04ANHUI XIANGHAO CONSTRUCTION CO LTD
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Patent Information

Application Number
CN202421247108.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-03
Publication Date
2025-03-04
Estimated Expiration
2034-06-03

AI Technical Summary

Technical Problem

The existing intelligent fire-fighting fire doors are inconvenient to realize during self-sealing inspection, and the sealing performance decreases with time, so the detection effect is not obvious enough.

Method used

An intelligent fire-fighting fire door including a door frame, an extension frame, a movable door, a storage box, a sealing cover, a cavity, a round hole, an inclined slide chute, a sealed door panel, a connecting mechanism and a smoke alarm are designed. By setting up an extended frame and a movable door on the back of the door frame, smoky items are placed on the storage box, and the smoke is concentrated in the cavity and transported to the smoke sensor alarm through the circular hole, self-sealing detection is achieved.

Benefits of technology

It realizes effective sealing performance under smaller smoke conditions, improves the accuracy and effect of sealing detection, and the smoke leaking from the gap between the sealing door panel and the door frame is uniformly transported to the front smoke sensor alarm, which significantly improves the detection effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222558416U_ABST
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Abstract

The utility model discloses an intelligent fire-fighting fireproof door for preventing smoke leakage, and relates to the technical field of fire fighting, the intelligent fire-fighting fireproof door for preventing smoke leakage comprises a door frame, the back surface of the door frame is integrally connected with an extension frame, the rear end of the extension frame is hinged with a movable door, the front surface of the movable door is welded with a storage box, and the storage box is connected with the extension frame. A threaded opening is formed in the front face of the movable door. According to the intelligent fire-fighting fireproof door capable of preventing smoke leakage, the extension frame with the movable door is arranged on the back face of the door frame, articles with smoke can be placed on the storage box, at the moment, the smoke can be in a small sealed space and is not prone to diffusion, meanwhile, the cavity is formed in the door frame, and the smoke leakage is prevented. The front surface of the door frame is provided with a plurality of round holes communicated with the cavity, and the round holes are matched with the gathering mechanism, so that smoke leaked from a gap between the sealing door plate and the door frame can be uniformly conveyed to the smoke sensing alarm on the front side, sealing detection can be realized through smaller smoke, and the detection effect is good.
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Description

Technical Field

[0001] The utility model relates to the technical field of fire protection, in particular to an intelligent fireproof door for fire protection which can prevent smoke leakage. Background Art

[0002] A fire door refers to a door that can meet the requirements of fire resistance, stability, integrity and thermal insulation within a certain period of time. It is usually installed between fire compartments, evacuation stairwells, etc. It has the function of preventing the spread of fire and smoke. It can prevent the spread of fire within a certain period of time and ensure the evacuation of personnel.

[0003] Sealing is the core function of fire doors. However, after a long time, some sealing materials on the fire doors will age and the sealing performance may decrease. Therefore, it is necessary to conduct regular sealing tests on fire doors. Usually, an object that can produce smoke is ignited on one side of the door, and then the smoke alarm on the other side of the door is observed to see whether the smoke alarm goes off. Due to the large space, if the smoke is small, the detection effect will not be obvious (smoke is not easy to pass through the fire door and be sensed by the smoke alarm). If the smoke is large, it will cause a greater impact. Utility Model Content

[0004] The utility model provides an intelligent fireproof door for fire fighting and preventing smoke leakage, which has the advantage of self-sealing detection and solves the problems raised in the background technology.

[0005] In order to solve the defect that the existing intelligent fire-fighting fire-proof doors for preventing smoke leakage are not convenient for self-sealing detection, the utility model provides the following technical solutions: an intelligent fire-fighting fire-proof door for preventing smoke leakage, comprising a door frame, an extension frame is integrally connected to the back of the door frame, a movable door is hinged at the rear end of the extension frame, a storage box is welded to the front of the movable door, a threaded opening is provided on the front of the movable door, a sealing cover is threadedly connected to the threaded opening, a cavity is provided in the extension frame, a plurality of circular holes connected to the cavity are provided on the front of the extension frame, a pair of inclined slide grooves distributed up and down are provided on the front of the door frame, a sealing door plate obliquely slidably connected to the inclined slide groove is provided on the front of the door frame, an installation groove is provided on the front of the door frame, a connecting mechanism is installed on the installation groove, a connecting hole matching the connecting mechanism is provided on the front of the sealing door plate, smoke alarms are installed on the front and back of the door frame, and a gathering mechanism connected to the cavity is installed on the front of the door frame.

[0006] As a preferred technical solution of the utility model, the gathering mechanism includes a fan installed on the front side of the door frame, and the front and rear ends of the fan are provided with a tube body, wherein the rear side of the tube body extends into the cavity, and wherein the front side of the tube body is fixedly connected to a cover body, and the rear end of the cover body is integrally connected to a pair of pillars fixedly connected to the front side of the door frame.

[0007] As a preferred technical solution of the utility model, the cover body is located directly in front of the smoke alarm on the front side, and the opening of the cover body faces the smoke alarm.

[0008] As a preferred technical solution of the utility model, a battery is installed on the front side of the door frame, and the battery is electrically connected to the fan and the smoke alarm.

[0009] As a preferred technical solution of the utility model, a card slot is provided on the front of the door frame, a frame-shaped metal sheet is embedded in the card slot, a groove is provided on the front of the frame-shaped metal sheet, and a graphite sealing coating is filled in the groove.

[0010] As a preferred technical solution of the utility model, the connecting mechanism includes a mounting plate installed in the mounting groove, a pair of springs are welded on the back of the mounting plate, a connecting plate is welded on the back of the spring, a first boss and a second boss are welded on the front of the connecting plate, the first boss and the second boss both extend to the front of the mounting plate, a press plate is fixedly connected to the front of the second boss by bolts, a sliding column is integrally connected to the rear end of the press plate, and the sliding column extends to the rear side of the extension frame.

[0011] As a preferred technical solution of the utility model, the length of the second protrusion is greater than that of the first protrusion, and the diameter of the rear portion of the sliding column is greater than that of the front portion thereof.

[0012] Compared with the prior art, the utility model provides an intelligent fire door for fire fighting that prevents smoke leakage, which has the following beneficial effects:

[0013] 1. This kind of intelligent fire-fighting fire door for preventing smoke leakage is provided with an extension frame with a movable door on the back of the door frame. Items containing smoke can be placed on the storage box. At this time, the smoke will be in a smaller sealed space and the smoke is not easy to spread. At the same time, a cavity is provided in the door frame, and a plurality of circular holes connected with the cavity are provided on the front of the door frame. With the gathering mechanism, the smoke leaking from the gap between the sealed door panel and the door frame can be uniformly transported to the front smoke alarm. The sealing detection can be achieved with a small amount of smoke, and the detection effect is good.

[0014] 2. This intelligent fire-proof door for preventing smoke leakage is provided with an inclined slide groove, and the sealed door panel is connected to the inclined slide groove by an inclined sliding connection, which greatly improves the sealing performance. At the same time, it is inlaid with a frame-shaped metal sheet with a graphite sealing coating, which is resistant to high temperature, has good sealing performance, is detachable, and has a good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 For this utility model Figure 1 A magnified view of middle;

[0017] Figure 3 It is a structural schematic diagram of the connection mechanism of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the middle frame type metal sheet of the utility model.

[0019] In the figure:

[0020] 1. Door frame; 2. Extension frame; 3. Movable door; 4. Storage box; 5. Sealing cover; 6. Round hole; 7. Inclined slide groove; 8. Sealing door panel; 9. Mounting groove; 10. Connecting mechanism; 101. Mounting plate; 102. Spring; 103. Connecting plate; 104. First convex column; 105. Second convex column; 106. Pressing plate; 107. Sliding column; 11. Connecting hole; 12. Gathering mechanism; 121. Fan; 122. Tube body; 123. Cover body; 124. Pillar; 13. Battery; 14. Card slot; 15. Frame-shaped metal sheet; 16. Groove; 17. Graphite sealing coating; 18. Smoke alarm. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-Figure 4The utility model discloses an intelligent fireproof door for preventing smoke leakage, comprising a door frame 1, an extension frame 2 is integrally connected to the back of the door frame 1, a movable door 3 is hinged at the rear end of the extension frame 2, a storage box 4 is welded to the front of the movable door 3, a threaded opening is provided on the front of the movable door 3, a sealing cover 5 is threadedly connected to the threaded opening, and the threaded opening can be opened to facilitate placing objects with smoke in the storage box 4, a cavity is provided in the extension frame 2, and a plurality of round holes 6 connected to the cavity are provided on the front of the extension frame 2. A pair of inclined slide grooves 7 distributed up and down are provided on the front, and a sealing door panel 8 is provided on the front of the door frame 1, which is obliquely slidably connected to the inclined slide grooves 7. When closed, the sealing door panel 8 can be tightly fitted on the door frame 1, and the sealing effect is good. A mounting groove 9 is provided on the front of the door frame 1, and a connecting mechanism 10 is installed on the mounting groove 9. A connecting hole 11 matching the connecting mechanism 10 is provided on the front of the sealing door panel 8. Smoke alarms 18 are installed on the front and back of the door frame 1. They are optical infrared smoke alarms with a model of URCERI 850-01. A gathering mechanism 12 connected to the cavity is installed on the front of the door frame 1.

[0023] Specifically, the gathering mechanism 12 includes a fan 121 installed on the front side of the door frame 1, and a tube body 122 is provided at the front and rear ends of the fan 121, wherein the rear tube body 122 extends into the cavity, and a cover body 123 is fixedly connected to the front tube body 122, and the rear end of the cover body 123 is integrally connected with a pair of pillars 124 fixedly connected to the front side of the door frame 1, and the cover body 123 is located directly in front of the front smoke alarm 18, and the opening of the cover body 123 faces the smoke alarm 18.

[0024] In this embodiment, the smoke leaking from the gap between the sealed door panel 8 and the door frame 1 can be uniformly transported to the front smoke alarm 18, so the detection effect is good.

[0025] Specifically, a battery 13 is installed on the front of the door frame 1 , and the battery 13 is electrically connected to the fan 121 and the smoke alarm 18 .

[0026] In this embodiment, when a fire occurs, some wires inside the wall may be damaged. By providing a storage battery 13, this will not be affected, and the safety is high. The fan 121 and the smoke alarm 18 can be stably powered.

[0027] Specifically, a card slot 14 is provided on the front of the door frame 1 , a frame-shaped metal sheet 15 is embedded in the card slot 14 , a groove 16 is provided on the front of the frame-shaped metal sheet 15 , and a graphite sealing coating 17 is filled in the groove 16 .

[0028] In this embodiment, the graphite sealing coating 17 is a graphite sealing material, which is resistant to high temperatures and has good sealing properties. It cooperates with the frame-shaped metal sheet 15 and has good disassembly function. When the seal drops, it can be disassembled and replaced to ensure the sealing of the fire door.

[0029] Specifically, the connecting mechanism 10 includes a mounting plate 101 installed in the mounting groove 9, a pair of springs 102 are welded on the back of the mounting plate 101, a connecting plate 103 is welded on the back of the spring 102, a first boss 104 and a second boss 105 are welded on the front of the connecting plate 103, the first boss 104 and the second boss 105 both extend to the front of the mounting plate 101, a pressing plate 106 is fixedly connected to the front of the second boss 105 by bolts, a sliding column 107 is integrally connected to the rear end of the pressing plate 106, the sliding column 107 extends to the rear side of the extension frame 2, the length of the second boss 105 is greater than the length of the first boss 104, and the diameter of the rear portion of the sliding column 107 is greater than that of the front portion.

[0030] In this embodiment, in conjunction with the connecting hole 11 on the sealing door panel 8, the front and back sides of the sealing door panel 8 can be opened and closed without affecting the sealing performance. When opening the front side, the pressing plate 106 needs to be pressed, and when opening the back side, the sliding column 107 needs to be pulled.

[0031] The working principle and use process of the utility model are as follows: close the sealing door plate 8 (hold the handle to drive the sealing door plate 8 to slide along the inclined slide groove 7, and then press the pressing piece 106, at this time, the connecting piece 103 drives the first convex column 104 and the second convex column 105 to move inward together until the sealing door plate 8 is tightly attached to the door frame 1, release the pressing piece 106, under the elastic force of the spring 102, at this time, the connecting piece 103 drives the first convex column 104 and the second convex column 105 to move outward together, at this time, the first convex column 104 is inserted into the connecting hole 11, and at this time, the sliding column 107 has a relatively large diameter. The large part will fit tightly against the back of the door frame 1 (good sealing), close the movable door 3, light the items (such as incense, mosquito coils, etc., which have less pollution to the environment) and place them on the storage box 4, close the sealing cover 5, and after a period of time, the smoke alarm 18 on the rear side will sound an alarm, and start the fan 121. The air near each circular hole 6 can be uniformly absorbed into the cover body 123 and discharged, which is convenient for the front smoke alarm 18 to detect. If the front smoke alarm 18 sounds an alarm, it means that the sealing is not good. If the front smoke alarm 18 does not sound an alarm for a long time, it means that the sealing performance is good.

[0032] It should be noted that, in this article, terms such as "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An intelligent fire door for preventing smoke leakage, characterized in that: The invention comprises a door frame (1), the back of the door frame (1) is integrally connected to an extension frame (2), the rear end of the extension frame (2) is hingedly connected to a movable door (3), the front of the movable door (3) is welded with a storage box (4), the front of the movable door (3) is provided with a threaded opening, a sealing cover (5) is threadedly connected to the threaded opening, a cavity is provided in the extension frame (2), the front of the extension frame (2) is provided with a plurality of circular holes (6) connected to the cavity, and the front of the door frame (1) is provided with a pair of inclined sliding doors distributed up and down. The front of the door frame (1) is provided with a sealing door panel (8) which is connected to the inclined sliding slot (7) in an inclined sliding manner. The front of the door frame (1) is provided with a mounting groove (9). A connecting mechanism (10) is installed on the mounting groove (9). The front of the sealing door panel (8) is provided with a connecting hole (11) which matches the connecting mechanism (10). Smoke alarms (18) are installed on the front and back of the door frame (1). The front of the door frame (1) is provided with a gathering mechanism (12) which is connected to the cavity.

2. The intelligent fire door for fire protection against smoke leakage according to claim 1 is characterized in that: The gathering mechanism (12) comprises a fan (121) mounted on the front side of the door frame (1), wherein the fan (121) is provided with a tube body (122) at both the front and rear ends, wherein the tube body (122) at the rear side extends into the cavity, wherein a cover body (123) is fixedly connected to the tube body (122) at the front side, and the rear end of the cover body (123) is integrally connected to a pair of pillars (124) fixedly connected to the front side of the door frame (1).

3. The intelligent fire door for fire protection against smoke leakage according to claim 2 is characterized in that: The cover body (123) is located directly in front of the smoke alarm (18) on the front side, and the opening of the cover body (123) faces the smoke alarm (18).

4. The intelligent fire door for fire protection against smoke leakage according to claim 2 is characterized in that: A storage battery (13) is installed on the front of the door frame (1); the storage battery (13) is electrically connected to the fan (121) and the smoke alarm (18).

5. The intelligent fire door for fire protection against smoke leakage according to claim 1 is characterized in that: The front of the door frame (1) is provided with a slot (14), a frame-shaped metal sheet (15) is embedded in the slot (14), a groove (16) is provided on the front of the frame-shaped metal sheet (15), and a graphite sealing coating (17) is filled in the groove (16).

6. The intelligent fire door for fire protection against smoke leakage according to claim 1 is characterized in that: The connecting mechanism (10) comprises a mounting plate (101) mounted in the mounting groove (9); a pair of springs (102) are welded to the back of the mounting plate (101); a connecting plate (103) is welded to the back of the spring (102); a first convex column (104) and a second convex column (105) are welded to the front of the connecting plate (103); the first convex column (104) and the second convex column (105) both extend through the front of the mounting plate (101); a pressing plate (106) is fixedly connected to the front of the second convex column (105) by bolts; a sliding column (107) is integrally connected to the rear end of the pressing plate (106); and the sliding column (107) extends through the rear side of the extension frame (2).

7. The intelligent fire door for fire protection against smoke leakage according to claim 6 is characterized in that: The length of the second protruding column (105) is greater than that of the first protruding column (104), and the diameter of the rear portion of the sliding column (107) is greater than that of the front portion thereof.