Smoke-isolating and fire-fighting automatic door for shopping mall
By designing fire extinguishing mechanisms and barrier mechanisms in the fire doors, the problem that existing fire doors cannot effectively block smoke is solved, and the effect of effectively slowing the spread of fires and preventing the entry of toxic flue gas is achieved.
Patent Information
- Application Number
- CN202421488364.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-06-27
AI Technical Summary
Existing fire doors cannot effectively block smoke in the fire, causing indoor personnel to inhale toxic smoke and dust, increasing the danger caused by the fire.
An automatic fire door for shopping mall smoke-free fire protection is designed, including a fire extinguishing mechanism and a barrier mechanism. The fire extinguishing mechanism extinguishes the fire by storing liquid, and the barrier mechanism blocks the door gap through cotton block strips and rubber plugs to block smoke.
Effectively slow down the spread of fires, prevent toxic smoke from entering the room, delay the spread of fires, and ensure the safety of personnel.
Smart Images

Figure CN222782570U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fire doors, in particular to automatic smoke-proof fire doors for shopping malls. Background Art
[0002] Fire doors refer to doors that can meet the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time. In shopping malls, fire doors are generally installed at escape routes and staircases. Some of them are made of steel, flame-retardant wood, door leaf frames, and door leaf panels. If the door leaf is filled with materials, it is filled with fireproof and thermal insulation materials that are non-toxic and harmless to the human body.
[0003] Fire doors are extremely important in indoor fire-fighting facilities. Most of the victims in a fire are not killed by burns, but by inhaling toxic smoke, which leads to suffocation and coma. They are unable to avoid the spreading fire in time and die. The gap at the bottom of the door lacks a blocking structure, and the smoke in the fire will enter the room through the gap in the fire door and cause harm to the people inside. Summary of the invention
[0004] The utility model aims to provide a smoke-proof fire-fighting automatic door for a shopping mall, so as to solve the above-mentioned defects caused by the prior art.
[0005] The automatic smoke-proof fire-fighting door of a shopping mall comprises a door frame, one side of the door frame is bolted to one side of a hinge, the other side of the hinge is connected to a door body, a fire-extinguishing mechanism is arranged inside the door body, the fire-extinguishing mechanism extinguishes the fire outside the door through the stored liquid inside the door body, and slows down the speed of the fire spreading, and a blocking mechanism is arranged directly below the fire-extinguishing mechanism, the blocking mechanism blocks the gap between the door body and the building tiles, and further blocks the smoke generated by the combustion.
[0006] Preferably, the fire extinguishing mechanism includes a water storage tank body, a rubber plug, an inner partition plate, a steel wire rope and an external threaded plug. The water storage tank body is arranged inside the door body, the bottom end of the water storage tank body is penetrated by a rubber plug, the bottom end of the rubber plug is connected to a steel wire rope, one side of the door body is threadedly connected to an external threaded plug, an inner partition plate is welded inside the door body, and the water storage tank body is arranged directly above the inner partition plate.
[0007] Preferably, the door body is connected to the bottom end of the water storage tank body via an internal partition plate disposed therein.
[0008] Preferably, the blocking mechanism includes a handle, a guide slot, a door body, a vertical bracket, a cotton strip and a slider. A handle is provided on one side of the door body, a slider is connected to one side of the handle, the bottom end of the slider is connected to the vertical bracket, the bottom end of the inverted "T"-shaped vertical bracket is connected to the cotton strip, and a rectangular opening structure is opened at the bottom end of the door body.
[0009] Preferably, the door body is connected to the left and right sides of the sliding block via a guide slot extending through one side.
[0010] Preferably, the handle is connected to the bottom end of the steel wire rope via a slider arranged on the back.
[0011] Compared with the prior art, the utility model has the following advantages:
[0012] 1. During use, the handle drives the slider to be pulled vertically, so that the vertical bracket and the cotton strip drop vertically, so that the cotton strip blocks the door body and the tiles, and then the inside of the cotton strip is wetted by the liquid inside the door body to prevent toxic smoke from escaping from the gap between the door body and the tiles. The cotton strip blocks the door gap and pours water on the door to cool it down, so as to delay the spread of fire.
[0013] 2. The steel wire rope and rubber plug connected to the top of the slider arranged on one side of the handle are moved vertically downward to separate the rubber plug from the bottom of the water storage tank. Then, in case of blockage in the door gap, water is poured into the gap between the door body and the tile, and the liquid inside the door body is injected for the second time. At the same time, the water storage tank in the door body is used to extinguish small fires. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.
[0015] Figure 2 It is a schematic diagram of the front section structure of the door body in the present utility model.
[0016] Figure 3 It is a structural schematic diagram of the slider itself in the utility model.
[0017] Figure 4 It is a schematic diagram of the vertical support descent in the utility model.
[0018] Figure 5 It is a schematic diagram of the external thread plug in the utility model.
[0019] in:
[0020] 1. Door frame; 2. Hinge; 3. Handle; 4. Guide slide; 5. Door body; 6. Fire extinguishing mechanism; 7. Water storage tank; 8. Rubber plug; 9. Inner partition plate; 10. Wire rope; 11. Barrier mechanism; 12. Vertical bracket; 13. Cotton block strip; 14. External thread plug; 15. Slider. DETAILED DESCRIPTION
[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0022] like Figures 1 to 5 As shown, the automatic smoke-proof fire-fighting door of a shopping mall includes a door frame 1, one side of the door frame 1 is bolted to one side of a hinge 2, the other side of the hinge 2 is connected to a door body 5, a fire extinguishing mechanism 6 is arranged inside the door body 5, the fire extinguishing mechanism 6 extinguishes the fire outside the door through the stored liquid inside the door body 5, and slows down the speed of the fire spreading, and a blocking mechanism 11 is arranged directly below the fire extinguishing mechanism 6, the blocking mechanism 11 blocks the gap between the door body 5 and the building tiles, and then blocks the smoke generated by the combustion.
[0023] In this embodiment, the fire extinguishing mechanism 6 includes a water storage tank body 7, a rubber plug 8, an inner partition plate 9, a steel wire rope 10 and an external threaded plug 14. The water storage tank body 7 is arranged inside the door body 5. The bottom end of the water storage tank body 7 is penetrated by the rubber plug 8, and the bottom end of the rubber plug 8 is connected to the steel wire rope 10. One side of the door body 5 is threadedly connected with the external threaded plug 14. The inner partition plate 9 is welded inside the door body 5. The water storage tank body 7 is arranged directly above the inner partition plate 9, and the surface of the door body 5 is sprayed and cooled by the water storage tank body 7.
[0024] In this embodiment, the door body 5 is connected to the bottom end of the water storage tank body 7 via an internal partition plate 9 disposed therein, and the internal partition plate 9 supports and partitions the interior of the door body 5 .
[0025] In this embodiment, the blocking mechanism 11 includes a handle 3, a guide slot 4, a door body 5, a vertical bracket 12, a cotton block strip 13 and a slider 15. A handle 3 is provided on one side of the door body 5, and a slider 15 is connected to one side of the handle 3. The bottom end of the slider 15 is connected to the vertical bracket 12, and the bottom end of the inverted "T"-shaped vertical bracket 12 is connected to the cotton block strip 13. A rectangular opening structure is provided at the bottom end of the door body 5, and the gap is blocked by the cotton block strip 13 provided at the bottom end of the vertical bracket 12.
[0026] In this embodiment, the door body 5 is connected to the left and right sides of the slider 15 through a guide slot 4 that penetrates through one side, and the vertical bracket 12 and the wire rope 10 are moved by the slider 15.
[0027] In this embodiment, the handle 3 is connected to the bottom end of the steel wire rope 10 via a slider 15 provided on the back, and the steel wire rope 10 drives the rubber plug 8 to be pulled, so that the internal liquid of the water storage tank body 7 is discharged.
[0028] The actual application of this kind of automatic smoke-proof fire-fighting door in shopping malls includes the following work contents:
[0029] Step 1: The operator first installs the door frame 1 on the outside of the building, and connects the door frame 1 with the door body 5 through the hinge 2, and injects the fire extinguishing liquid directly into the water storage tank 7 through a side cover of the door body 5. Flexible rubber pads are provided on the top and side of the door body 5 to block the gap between the door body 5 and the door frame 1. The door body 5 set on the door frame 1 is usually in an open state. When a fire occurs in the mall, the fire part is blocked by closing the door body 5;
[0030] Step 2: The operator separates the external thread plug 14 from the door body 5, and threadably connects the fire extinguishing pipe to the door body 5. The operator presses the handle 3 downward, so that the slider 15 connected to one side of the handle 3 slides on the outside of the guide groove 4, so that the vertical bracket 12 at the bottom end of the slider 15 moves downward, and the cotton block strip 13 at the bottom end of the vertical bracket 12 is guided out from the inside of the door body 5, so that the cotton block strip 13 blocks the gap of the door body 5.
[0031] Step 3: When the handle 3 is pressed downward, the steel wire rope 10 and the rubber plug 8 connected to the top of the slider 15 set on one side of the handle 3 move vertically downward, so that the rubber plug 8 is separated from the bottom end of the water storage tank 7, so that the liquid inside the water storage tank 7 is directly discharged, and the liquid is separated by the internal partition plate 9, and the liquid flows out through the through hole opened on one side. The operator can wet the door body 5 and the cotton strip 13 through the pipeline to delay the spread of the fire.
[0032] Therefore, the embodiments disclosed above are only illustrative in all aspects and are not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are included in the present invention.
Claims
1. The automatic smoke-proof fire-fighting door of a shopping mall is characterized by: The invention comprises a door frame (1), one side of the door frame (1) is bolted to one side of a hinge (2), the other side of the hinge (2) is connected to a door body (5), a fire extinguishing mechanism (6) is arranged inside the door body (5), the fire extinguishing mechanism (6) extinguishes the fire outside the door through the stored liquid inside the door body (5), thereby slowing down the speed of fire spread, and a blocking mechanism (11) is arranged directly below the fire extinguishing mechanism (6), the blocking mechanism (11) blocks the gap between the door body (5) and the building tiles, thereby blocking the smoke generated by the combustion.
2. The automatic smoke-proof fire-fighting door for shopping malls according to claim 1 is characterized by: The fire extinguishing mechanism (6) comprises a water storage tank body (7), a rubber plug (8), an inner partition plate (9), a steel wire rope (10) and an external threaded plug (14); the water storage tank body (7) is arranged inside the door body (5); the bottom end of the water storage tank body (7) is connected with a rubber plug (8); the bottom end of the rubber plug (8) is connected with a steel wire rope (10); one side of the door body (5) is threadedly connected with an external threaded plug (14); the inner partition plate (9) is welded inside the door body (5); and the water storage tank body (7) is arranged directly above the inner partition plate (9).
3. The automatic smoke-proof fire-fighting door for shopping malls according to claim 2 is characterized in that: The door body (5) is connected to the bottom end of the water storage tank body (7) via an internal partition plate (9) arranged inside.
4. The automatic smoke-proof fire-fighting door for shopping malls according to claim 1 is characterized in that: The blocking mechanism (11) comprises a handle (3), a guide slide groove (4), a door body (5), a vertical bracket (12), a cotton block strip (13) and a slider (15); a handle (3) is provided on one side of the door body (5); a slider (15) is connected to one side of the handle (3); the bottom end of the slider (15) is connected to the vertical bracket (12); the bottom end of the inverted "T"-shaped vertical bracket (12) is connected to the cotton block strip (13); and a rectangular opening structure is provided at the bottom end of the door body (5).
5. The automatic smoke-proof fire-fighting door for shopping malls according to claim 4 is characterized in that: The door body (5) is connected to the left and right sides of the sliding block (15) via a guide sliding groove (4) penetrating through one side.
6. The automatic smoke-proof fire-fighting door for shopping malls according to claim 4 is characterized in that: The handle (3) is connected to the bottom end of the steel wire rope (10) via a slider (15) arranged at the back.