Anti-deformation high-temperature-resistant steel heat-insulation fireproof door
By using steel plate materials, sand and gravel insulation components, gypsum insulation components, high-temperature hot-melt water supply components and water outlet cooling components in the fire door, the problem of deformation and damage of the fire door under long-term fire exposure is solved. It achieves the effects of fire prevention, heat insulation and cooling.
Patent Information
- Application Number
- CN202421075731.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-05-17
AI Technical Summary
Existing fire doors are prone to deform and damage when burned for a long time, affecting their normal use when a fire occurs.
An anti-deformation and high-temperature-resistant steel heat-insulated fire door is designed. It is made of steel plate and is equipped with an upper water tank, sand and gravel heat insulation components, gypsum heat insulation components, high-temperature hot-melt water-passing components and outlet water cooling in the inner cavity of the door steel plate. components to achieve fire protection, heat insulation and cooling effects.
By setting up sandstone and gypsum insulation components, heat is effectively blocked; high-temperature hot-melt water passing components and water outlet cooling components can absorb and discharge heat to prevent the fire door steel plate from being continuously burned by flames and prevent deformation and damage.
Smart Images

Figure CN222350589U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fireproof doors, in particular to an anti-deformation and high-temperature resistant steel heat-insulating fireproof door. 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 a fire-resistant partition with a certain fire resistance installed in fire compartments, evacuation stairwells, vertical shafts, etc. It is specifically used to isolate fire sources in residential buildings and plays a huge role in fire fighting. Once a fire occurs, people can get a chance to escape through the fire door.
[0003] Commonly used fire doors are metal doors. The high melting point of metal can effectively prevent the spread of fire. The current fire doors can slow the spread of fire within a safe escape time, but metal fire doors heat up quickly. If they are exposed to fire for a long time, they will deform and be damaged, affecting their normal use when a fire occurs. For this reason, an anti-deformation, high-temperature resistant steel insulated fire door is proposed. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides an anti-deformation and high-temperature resistant steel heat-insulating fireproof door to solve the above-mentioned problems.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A deformation-resistant and high-temperature-resistant steel insulated fireproof door, comprising a fireproof door frame, a fireproof door steel plate rotatably installed in the fireproof door frame, an internal cavity of the door steel plate provided on the fireproof door steel plate, an upper water tank installed in the internal cavity of the door steel plate, the upper water tank arranged above the fireproof door steel plate, a water replenishment component provided on the fireproof door steel plate, a water storage cavity provided on the upper water tank, a water tank leakage hole provided on one side of the water storage cavity, a high-temperature hot-melt water-through component provided on the fireproof door steel plate, a sand and gravel insulation component and a gypsum insulation component installed in the internal cavity of the door steel plate, a water flow cavity provided between the sand and gravel insulation component and the fireproof door steel plate, the water flow cavity being located below the water tank leakage hole, a water outlet cooling component provided on one side of the fireproof door steel plate, the water outlet cooling component being connected to the water flow cavity, and a door handle provided on one side of the fireproof door steel plate.
[0007] Preferably, the high-temperature hot-melt water-permeable assembly includes a sealing groove arranged on the inner wall of the internal cavity of the door steel plate, a top fixing groove is opened on the top inner wall of the sealing groove, a flow hole is opened on the bottom inner wall of the sealing groove, the flow hole is connected with the water flow cavity, a plastic sealing plate is installed in the sealing groove, a rubber ring is provided on one side of the plastic sealing plate, and it blocks one side of the water tank leakage hole.
[0008] Preferably, the plastic sealing plate is a polyethylene plastic plate, a sealing block is installed in the top fixing groove, and the bottom side of the sealing block is pressed on the top side of the plastic sealing plate.
[0009] Preferably, the sand and gravel insulation assembly includes a placement plate installed in the inner cavity of the door steel plate, a plurality of placement cavities are provided on the placement plate, and a sand and gravel layer is provided in the placement cavity.
[0010] Preferably, the gypsum thermal insulation assembly comprises two gypsum boards mounted on the inner cavity of the door steel plate, and a honeycomb board layer is provided between the two gypsum boards.
[0011] Preferably, the water outlet cooling component includes a plurality of water outlet holes opened on one side of the fire door steel plate, and a bell mouth is provided on one side of the plurality of water outlet holes, and the bell mouth is connected to the water flow cavity.
[0012] Preferably, the water replenishment assembly includes a water replenishment hole opened on the top side of the fire door steel plate, the water replenishment hole is connected to the upper water tank, and a sealing plug is installed in the water replenishment hole.
[0013] Compared with the prior art, the utility model has the following beneficial effects: the anti-deformation high temperature resistant steel heat insulation fire door, the fire door is made of steel plate material, and the sand and gravel heat insulation component and the gypsum heat insulation component are arranged. The sand and gravel layer on the sand and gravel heat insulation component can effectively block the heat, and the two layers of gypsum boards on the gypsum heat insulation component have good sound insulation, heat insulation and fireproof properties. At the same time, a honeycomb board layer is arranged in the two layers of gypsum boards. The honeycomb board layer is made of gypsum board material, and can achieve a better heat insulation effect through the honeycomb arrangement;
[0014] The fire door steel plate is exposed to the flame for a long time, and the surface temperature will be very high. At this time, the plastic sealing plate on the high-temperature hot-melt water-permeable component will be melted under the action of high temperature, and the aqueous solution in the upper water tank will enter the water flow cavity. There will be a large amount of aqueous solution in the water flow cavity, which can absorb the heat on the surface of the fire door steel plate. At the same time, a water outlet cooling component is set up, and the aqueous solution flows out through the water outlet hole, which has a good cooling effect and has a certain fire extinguishing effect on the flame next to the fire door, avoiding the fire door steel plate from being continuously exposed to the flame and deforming. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0016] Figure 2 It is a schematic diagram of the structure of the vertical section of the utility model;
[0017] Figure 3 It is a schematic diagram of the structure of the side section of the utility model;
[0018] Figure 4 For this utility model Figure 2Schematic diagram of the structure of part A.
[0019] In the figure: 1. Fire door frame; 2. Fire door steel plate; 3. Door handle; 4. Internal cavity of door steel plate; 5. Upper water tank; 6. Water storage cavity; 7. Water replenishment hole; 8. Sealing plug; 9. Sealing groove; 10. Top fixing groove; 11. Water tank leakage hole; 12. Plastic sealing plate; 13. Sealing block; 14. Flow hole; 15. Placement plate; 16. Placement cavity; 17. Sand and gravel layer; 18. Gypsum board; 19. Honeycomb board layer; 20. Water flow cavity; 21. Water outlet hole; 22. Bell mouth. DETAILED DESCRIPTION
[0020] 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.
[0021] Example: Refer to Figure 1-4 A deformation-resistant and high-temperature-resistant steel insulated fireproof door comprises a fireproof door frame 1, a fireproof door steel plate 2 is rotatably installed in the fireproof door frame 1, a door steel plate internal cavity 4 is provided on the fireproof door steel plate 2, an upper water tank 5 is installed in the door steel plate internal cavity 4, the upper water tank 5 is arranged above the fireproof door steel plate 2, a water replenishment component is provided on the fireproof door steel plate 2, a water storage cavity 6 is provided on the upper water tank 5, a water tank leakage hole 11 is provided on one side of the water storage cavity 6, a high-temperature hot-melt water-through component is provided on the fireproof door steel plate 2, a sand and gravel insulation component and a gypsum insulation component are installed in the door steel plate internal cavity 4, a water flow cavity 20 is provided between the sand and gravel insulation component and the fireproof door steel plate 2, the water flow cavity 20 is located below the water tank leakage hole 11, a water outlet cooling component is provided on one side of the fireproof door steel plate 2, the water outlet cooling component is connected to the water flow cavity 20, and a door handle 3 is provided on one side of the fireproof door steel plate 2.
[0022] Specifically, the high-temperature hot-melt water-permeable assembly includes a sealing groove 9 arranged on the inner wall of the inner cavity 4 of the door steel plate, a top fixing groove 10 is opened on the top inner wall of the sealing groove 9, a flow hole 14 is opened on the bottom inner wall of the sealing groove 9, and the flow hole 14 is connected to the water flow cavity 20. A plastic sealing plate 12 is installed in the sealing groove 9, a rubber ring is provided on one side of the plastic sealing plate 12, and it blocks one side of the water tank leakage hole 11. The plastic sealing plate 12 is a polyethylene plastic plate. A sealing block 13 is installed in the top fixing groove 10, and the bottom side of the sealing block 13 is pressed on the plastic sealing plate 12. On the top side, during a fire, the fire door steel plate 2 is exposed to the flame for a long time, and the surface temperature will be very high. At this time, the plastic sealing plate 12 on the high-temperature hot-melt water-permeable component is a polyethylene plastic plate with a melting point of about 120°. It will be melted under the action of high temperature. At this time, the water tank leakage hole 11 on the upper water tank 5 will be in an open state, and the aqueous solution in the upper water tank 5 will pass through the flow hole 14 and enter the water flow cavity 20. A large amount of aqueous solution will be stored in the water flow cavity 20, which can absorb the heat on the surface of the fire door steel plate 2.
[0023] Specifically, the sand and gravel insulation component includes a placement plate 15 installed in the inner cavity 4 of the door steel plate, and a plurality of placement cavities 16 are provided on the placement plate 15, and a sand and gravel layer 17 is provided in the placement cavity 16. The gypsum insulation component includes two gypsum boards 18 installed in the inner cavity 4 of the door steel plate, and a honeycomb board layer 19 is provided between the two gypsum boards 18. The sand and gravel layer 17 on the sand and gravel insulation component can effectively block heat. At the same time, the two layers of gypsum boards 18 on the gypsum insulation component have good sound insulation, heat insulation and fire resistance properties. At the same time, a honeycomb board layer 19 is provided in the two layers of gypsum boards 18. The honeycomb board layer 19 is made of gypsum board material, and can achieve a better insulation effect through the honeycomb setting.
[0024] Specifically, the water outlet cooling component includes a plurality of water outlet holes 21 opened on one side of the fire door steel plate 2, and a bell mouth 22 is provided on one side of the plurality of water outlet holes 21, and the bell mouth 22 is connected to the water flow chamber 20. At the same time, the water outlet cooling component is set, and the water outlet holes 21 on the water outlet cooling component can flow out the aqueous solution, and the outflowing aqueous solution can have a good cooling effect, and has a certain fire extinguishing effect on the flame next to the fire door, so as to prevent the fire door steel plate 2 from being continuously roasted by the flame and deforming. A bell mouth 22 is provided on one side of the water outlet hole 21, and the water outlet of the bell mouth 22 is trumpet-shaped and has a large water outlet diameter to ensure its water output and is not easy to be blocked. The water replenishment component includes a water replenishment hole 7 opened on the top side of the fire door steel plate 2, and the water replenishment hole 7 is connected to the upper water tank 5. A sealing plug 8 is installed in the water replenishment hole 7. The water replenishment component is set, and after the fire door steel plate 2 is rotated and opened, the water replenishment hole 7 on the water replenishment component can replenish the upper water tank 5 with water.
[0025] When in use: the fire door is made of steel plate, and the steel plate forms an external frame. A sand and gravel insulation component and a gypsum insulation component are arranged inside the fire door steel plate 2. The sand and gravel layer 17 on the sand and gravel insulation component can effectively block heat. At the same time, the two layers of gypsum board 18 on the gypsum insulation component have good sound insulation, heat insulation and fire prevention properties. At the same time, a honeycomb board layer 19 is arranged inside the two layers of gypsum board 18. The honeycomb board layer 19 is made of gypsum board and can achieve a better insulation effect through the honeycomb arrangement. In the event of a fire, the fire door steel plate 2 is subjected to the scorching of flames for a long time, and the surface temperature will be very high. At this time, the plastic sealing plate 12 on the high-temperature hot-melt water-permeable component is a polyethylene plastic plate with a melting point of about 120°. The water in the upper water tank 5 will be melted under the effect of baking. At this time, the water tank leakage hole 11 on the upper water tank 5 will be in an open state. The aqueous solution in the upper water tank 5 will enter the water flow cavity 20 through the flow hole 14. A large amount of aqueous solution will be stored in the water flow cavity 20, which can absorb the heat on the surface of the fire door steel plate 2. At the same time, a water outlet cooling component is provided, and the water outlet hole 21 on the water outlet cooling component can flow out the aqueous solution. The outflowing aqueous solution can have a good cooling effect, which can extinguish the flame next to the fire door to a certain extent, and prevent the fire door steel plate 2 from being continuously roasted by the flame and deformed. A bell mouth 22 is provided on one side of the water outlet hole 21. The water outlet of the bell mouth 22 is bell-shaped and has a large water outlet diameter, which ensures its water output, is not easy to be blocked, and is easy to use.
[0026] 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. A deformation-resistant, high-temperature-resistant, steel heat-insulating fireproof door, comprising a fireproof door frame (1), a fireproof door steel plate (2) being rotatably mounted in the fireproof door frame (1), characterized in that: The fire door steel plate (2) is provided with an inner cavity (4) of the door steel plate, an upper water tank (5) is installed in the inner cavity (4) of the door steel plate, and the upper water tank (5) is arranged above the fire door steel plate (2). The fire door steel plate (2) is provided with a water replenishment component, a water storage cavity (6) is provided on the upper water tank (5), and a water tank leakage hole (11) is provided on one side of the water storage cavity (6). The fire door steel plate (2) is provided with a high-temperature hot-melt water component, a sand and gravel insulation component and a gypsum insulation component are installed in the inner cavity (4) of the door steel plate, a water flow cavity (20) is provided between the sand and gravel insulation component and the fire door steel plate (2), and the water flow cavity (20) is located below the water tank leakage hole (11), a water outlet cooling component is provided on one side of the fire door steel plate (2), and the water outlet cooling component is connected to the water flow cavity (20), and a door handle (3) is provided on one side of the fire door steel plate (2).
2. The anti-deformation high temperature resistant steel heat insulation fire door according to claim 1, characterized in that: The high-temperature hot-melt water assembly comprises a sealing groove (9) arranged on the inner wall of the inner cavity (4) of the door steel plate, a top fixing groove (10) is provided on the top inner wall of the sealing groove (9), a flow hole (14) is provided on the bottom inner wall of the sealing groove (9), the flow hole (14) is connected to the water flow cavity (20), a plastic sealing plate (12) is installed in the sealing groove (9), a rubber ring is provided on one side of the plastic sealing plate (12), and the rubber ring is blocked on one side of the water tank leakage hole (11).
3. The anti-deformation high temperature resistant steel heat insulation fire door according to claim 2, characterized in that: The plastic sealing plate (12) is a polyethylene plastic plate, a sealing block (13) is installed in the top fixing groove (10), and the bottom side of the sealing block (13) is pressed on the top side of the plastic sealing plate (12).
4. The anti-deformation high temperature resistant steel heat insulation fire door according to claim 1, characterized in that: The sand and gravel heat insulation assembly comprises a placement plate (15) installed in the inner cavity (4) of the door steel plate, a plurality of placement cavities (16) are arranged on the placement plate (15), and a sand and gravel layer (17) is arranged in the placement cavity (16).
5. The anti-deformation high temperature resistant steel heat insulation fire door according to claim 1, characterized in that: The gypsum heat insulation assembly comprises two gypsum boards (18) mounted on the inner cavity (4) of the door steel plate, and a honeycomb board layer (19) is arranged between the two gypsum boards (18).
6. The anti-deformation high temperature resistant steel heat insulation fire door according to claim 1, characterized in that: The water outlet cooling component comprises a plurality of water outlet holes (21) opened on one side of the fire door steel plate (2), a bell mouth (22) is provided on one side of the plurality of water outlet holes (21), and the bell mouth (22) is connected to the water flow cavity (20).
7. The anti-deformation high temperature resistant steel heat insulation fire door according to claim 1, characterized in that: The water replenishment assembly comprises a water replenishment hole (7) opened on the top side of the fire door steel plate (2), the water replenishment hole (7) is connected to the upper water tank (5), and a sealing plug (8) is installed in the water replenishment hole (7).